A fire truck control method and system, and a fire truck. The method comprises: acquiring an operation instruction and state data of each of a plurality of working systems (704) of a fire truck; and on the basis of the operation instruction and the state data of each working system, when it is determined that a working condition execution condition is satisfied, controlling one or more power branches corresponding to a target working system among the plurality of working systems to be connected, and/or controlling the target working system to operate, wherein the working systems are connected to a pump set (702) by means of the corresponding power branches, the pump set comprises a plurality of pump bodies (705), the plurality of power branches are correspondingly connected to the plurality of pump bodies, and the plurality of pump bodies are connected to a power input interface (701) of the fire truck by means of a same power take-off device (706). Power can be provided for a plurality of working systems of a fire truck by means of one power take-off device, so that the structural complexity of the fire truck is greatly reduced, thereby greatly reducing the costs of the fire truck.
A power system and a vehicle. The power system is used for providing power for a vehicle and comprises an engine (1), an electric motor (2), a transmission (3) and a flywheel (4), wherein one end of an electric motor shaft of the electric motor (2) is connected to an output shaft of the engine (1), and the other end of the electric motor shaft of the electric motor (2) is connected to an input shaft of the transmission (3); and the flywheel (4) is sleeved on the electric motor shaft of the electric motor (2).
B60K 6/40 - Agencement ou montage de plusieurs moteurs primaires différents pour une propulsion réciproque ou commune, p. ex. systèmes de propulsion hybrides comportant des moteurs électriques et des moteurs à combustion interne les moteurs primaires étant constitués de moteurs électriques et de moteurs à combustion interne, p. ex. des VEH caractérisés par des appareils, des organes ou des moyens spécialement adaptés aux VEH caractérisés par l'assemblage ou la disposition relative des organes
B60K 6/383 - Embrayages à roue libre ou dispositifs à roue libre
A manufacturing method for a damping device for an energy accumulator. The damping device comprises a first profile (201) and a second profile (202). The manufacturing method comprises: machining in the first profile (201) a plurality of first channels (301) penetrating therethrough, and machining in the second profile (202) a plurality of second channels (302) penetrating therethrough; abutting the first profile (201) against the second profile (202) in an axial direction; adjusting the degree of overlap between the first channels (301) and the second channels (302) according to a preset damping coefficient of the damping device, so as to form damping channels (3) with the preset damping coefficient, wherein oil can be guided into or out of the energy accumulator by means of the plurality of damping channels (3); and fixedly connecting the first profile (201) to the second profile (202), so as to form an oil guide structure (2) configured to be arranged at an oil guide port (1) of the energy accumulator. In the manufacturing method, the damping device is arranged at the oil guide port of the energy accumulator, and the oil is guided into or out of the energy accumulator by means of the plurality of damping channels in the damping device, such that during an oil guide process, the oil hits the damping device and is then diverged by means of the plurality of damping channels, thereby achieving a damping effect on the oil. A damping device for an energy accumulator, and an energy accumulator and a working machine are further comprised.
F16F 9/10 - Ressorts, amortisseurs de vibrations, amortisseurs de chocs ou amortisseurs de mouvement de structure similaire, utilisant un fluide ou moyen équivalent comme agent d'amortissement utilisant un liquide uniquementRessorts, amortisseurs de vibrations, amortisseurs de chocs ou amortisseurs de mouvement de structure similaire, utilisant un fluide ou moyen équivalent comme agent d'amortissement utilisant un fluide dont la nature est sans importance
4.
THERMAL MANAGEMENT METHOD AND APPARATUS FOR BATTERY SYSTEM, AND BATTERY MANAGEMENT SYSTEM AND VEHICLE
Provided in the present application are a thermal management method and apparatus for a battery system, and a battery management system and a vehicle. The method comprises: acquiring a first temperature and a second temperature of a battery system, wherein the first temperature is the overall temperature of a battery in the battery system, and the second temperature is the temperature difference between a plurality of battery branches in the battery system; and when the first temperature is not within a preset temperature range and the second temperature is greater than a preset temperature difference threshold value, controlling a thermal management device to perform thermal management on the plurality of battery branches for different durations, such that the first temperature is adjusted to be within the preset temperature range, and the second temperature is less than or equal to the preset temperature difference threshold value, wherein the thermal management comprises heating or cooling. By means of the present application, a thermal management device can be controlled to adjust the overall temperature of a battery, such that the overall temperature is within a preset temperature range. By means of performing thermal management on battery branches for different durations, the temperatures of the battery branches can be equalized.
Disclosed are a method for controlling an outrigger of a pump truck, a method for controlling the pump truck and the pump truck. The method for controlling the outrigger of the pump truck of the present disclosure includes: obtaining a first tilting angle of an entire pump truck after a boom is unfolded; and in a case that the first tilting angle is larger than or equal to a first preset value, obtaining a current error count, and controlling the outrigger to act based on the current error count.
An air conditioner assistance system (10), a control method, and a vehicle. The air conditioner assistance system (10) comprises: a heat dissipation module (11), which is used for transmitting heat; and a thermoelectric module (12), which is connected to the heat dissipation module (11), is provided with a thermoelectric material, and is used for cooperating with the heat dissipation module (11) on the basis of a temperature difference generated by the thermoelectric material, so as to adjust an ambient temperature, thereby sharing the load of a thermal management system of a vehicle.
A spray gun. The spray gun (100) comprises: a gun body (110), the gun body being provided with a first channel (111); an adjustment mechanism (120) connected to the gun body, the adjustment mechanism being provided with a first body portion (121) and a second body portion (122) capable of moving relative to the first body portion, and the first body portion comprising a plurality of via holes (1211); and a spray head assembly (130) connected to the second body portion, wherein the spray head assembly comprises a plurality of spray heads (131), and the plurality of spray heads can be communicated with the first channel. When the second body portion is located at a first position, at least one of the plurality of spray heads is opposite to at least one of the plurality of via holes; and when the second body portion is located at a second position, each spray head is staggered with any of the plurality of via holes. Compared with providing a wide-angle spray flow channel and right-angle spray flow channel structure on a spray head body and implementing switching of a high-pressure jet between two channels by means of an auxiliary adjustment mechanism, the spray gun effectively simplifies the internal structure of the gun body.
A crank arm structure, a boom structure, and an elevating platform fire truck. The crank arm structure comprises: a crank arm (110) comprising a plurality of connected side walls, wherein the plurality of side walls enclose to form a mounting cavity (113), one end of the crank arm (110) is connected to a boom body (210), and the other end of the crank arm (110) is connected to a balance arm (220); and a first driving member (120) provided in the mounting cavity (113), wherein the first driving member (120) has one end connected to the crank arm (110) and the other end connected to the balance arm (220), and the first driving member (120) is used for changing the included angle between the crank arm (110) and the balance arm (220).
B66F 11/04 - Dispositifs de levage spécialement adaptés à des buts particuliers, non prévus ailleurs pour plates-formes ou cabines mobiles, p. ex. sur des véhicules, permettant à des ouvriers d'occuper toute position convenable pour exécuter les travaux demandés
B66F 13/00 - Caractéristiques de structure ou accessoires communs
B66C 23/70 - Flèches assemblées à partir de sections séparées pour former des flèches de différentes longueurs
A62C 27/00 - Engins de lutte contre l'incendie montés sur roues ou véhicules terrestres de lutte contre l'incendie
9.
HIGH AND LOW VOLTAGE BATTERY INTEGRATED POWER SUPPLY CONTROL METHOD AND APPARATUS, DEVICE, AND WORK MACHINE
A high and low voltage battery integrated power supply control method and apparatus, a device, and a work machine. The method comprises: when a self-reset power switch closing signal and an interlock relay closing signal are detected, controlling a low voltage battery pack to supply low voltage power to a vehicle; then detecting whether a high voltage battery pack satisfies a power supply condition; if the high voltage battery pack satisfies the power supply condition, controlling a main positive relay to be closed, and collecting battery data of the low voltage battery pack; when the battery data satisfies a charging standard, controlling the high voltage battery pack to charge the low voltage battery pack; and after the low voltage battery pack is fully charged, if a self-reset power switch opening signal and an interlock relay opening signal are detected and a high voltage battery pack start signal is not found, controlling the low voltage battery pack and the high voltage battery pack to stop power output. The apparatus comprises a low voltage power supply module, a high voltage charging module, and a charging stop module. Further disclosed is an electronic device, comprising a processor for implementing the method. Further disclosed is a work machine that executes the method or comprises the apparatus. The high voltage battery pack and the low voltage battery pack are managed in a centralized and unified manner by means of a same control module, thereby improving the overall management efficiency of the high voltage battery pack and the low voltage battery pack.
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
H02M 3/00 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu
10.
FAULT DETECTION METHOD AND APPARATUS, SYSTEM, AND VEHICLE
The present application provides a fault detection method and apparatus, a system, and a vehicle, and relates to the technical field of vehicle control. The method comprises: obtaining a first signal outputted by a valve core detection sensor, and a second signal outputted by a draw wire encoder of each of a plurality of support legs; and according to the first signal, and the second signal outputted by the draw wire encoder of each support leg, judging whether the draw wire encoder disposed on each support leg is experiencing a fault. The fault detection method and apparatus, system and vehicle provided in the present application are used for detecting in real-time whether a draw wire encoder on an operating machine is damaged, thereby improving equipment reliability and safety.
The present application provides a power circuit and a working machine. The power circuit comprises: a charging wake-up relay, a coil thereof being connected to a charging wake-up port of a VCU, the VCU being communicationally connected to a charger, and a delay power-off port of the VCU being connected to a coil of an electromagnetic power relay; and the electromagnetic power relay, normally-open contacts thereof being connected to a storage battery and a chassis power distribution box. Normally-open contacts of the charging wake-up relay are connected to a normal-current output bus and a charging wake-up bus. When determining that there is an input signal at a charging detection port, the VCU synchronously outputs positive voltages at the charging wake-up port and the delay power-off port.
The present application relates to the field of safe driving, and provides an engineering vehicle, and a cab collision detection processing system and method. The cab collision detection processing system comprises an acceleration sensor, deformation detection devices, and an on-board controller; the acceleration sensor is electrically connected to the on-board controller and used for performing measurement to obtain acceleration data when a vehicle collision occurs; the deformation detection devices are arranged in a cab, are respectively arranged on a column A and vehicle doors on two sides, and are used for generating corresponding deformation signals when a vehicle collision occurs to cause the column A and/or the vehicle doors to deform inwards; the on-board controller is separately electrically connected to the acceleration sensor and a deformation sensor and used for acquiring the acceleration data, the deformation signal of the column A, and/or the deformation signals of the vehicle doors and taking corresponding control strategies according to the acquisition condition. According to the present application, when a vehicle collision accident occurs, the acceleration of a vehicle during collision and whether the front end and two sides of a frame of a cab are damaged or not are detected, and corresponding processing measures are automatically executed according to the detection condition.
B60N 2/427 - Sièges spécialement adaptés aux véhiculesAgencement ou montage des sièges dans les véhicules à des fins particulières ou pour des véhicules particuliers le siège étant construit pour protéger son occupant des effets des forces d'accélération anormales, p. ex. sièges anticollision ou sièges de sécurité le siège ou ses parties constitutives se déplaçant lors d'une collision
B60R 16/023 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques pour la transmission de signaux entre des parties ou des sous-systèmes du véhicule
B60R 21/013 - Circuits électriques pour déclencher le fonctionnement des dispositions de sécurité en cas d'accident, ou d'accident imminent, de véhicule comportant des moyens pour détecter les collisions, les collisions imminentes ou un renversement
13.
METHOD AND APPARATUS FOR DETECTING OPERATION STATE OF ROTATION MECHANISM, CONTROLLER, AND WORKING MACHINE
The present application provides a method and apparatus for detecting an operation state of a rotation mechanism, a controller, and a working machine, applied to the technical field of working machines. The method comprises: acquiring operation information related to rotation motion of a rotation mechanism; constructing a sampling signal sample on the basis of the operation information; performing Fourier transform on the sampling signal sample to obtain a frequency spectrum sample; using a gear or a bearing in the rotation mechanism as a target component, and extracting amplitudes of a plurality of spectral lines on the basis of a failure feature spectrum number of the target component in the frequency spectrum sample to obtain a constructed frequency spectrum; performing inverse Fourier transform on the constructed frequency spectrum to obtain an inverse transform signal sample; and determining an operation state of the target component on the basis of the inverse transform signal sample. According to the detection method provided by the present application, the operation state of the rotation mechanism can be detected on the basis of the operation information of the rotation mechanism, thereby facilitating discovery in time of the failure of the rotation mechanism and adoption in time of corresponding operation and maintenance measures, and improving the operation safety of the working machine.
G06F 18/213 - Extraction de caractéristiques, p. ex. en transformant l'espace des caractéristiquesSynthétisationsMappages, p. ex. procédés de sous-espace
14.
GEAR FAULT DETECTION METHOD, GEAR FAULT DETERMINATION METHOD, CONTROLLER, AND WORKING MACHINERY
The present application is applied to the technical field of working machinery. Provided are a gear fault detection method, a gear fault determination method, a controller, and working machinery. The gear fault detection method comprises: after acquiring a vibration signal and a rotating speed signal of a target gear, constructing a detection sample on the basis of the vibration signal and the rotating speed signal; extracting a fault detection feature value of the target gear on the basis of the detection sample; and finally, inputting the fault detection feature value of the target gear into a pre-trained fault detection model, so as to obtain a fault detection result of the target gear. By means of the method provided in the present application, fault detection of gears can be completed, and a reference basis is provided for timely maintenance of the gears, thereby effectively reducing the harm of faulty gears, and improving the operation safety of working machinery.
G06F 30/27 - Optimisation, vérification ou simulation de l’objet conçu utilisant l’apprentissage automatique, p. ex. l’intelligence artificielle, les réseaux neuronaux, les machines à support de vecteur [MSV] ou l’apprentissage d’un modèle
15.
OIL DRAIN VALVE, ENERGY ACCUMULATION DEVICE, HYDRAULIC SYSTEM AND WORKING MACHINE
Disclosed are an oil drain valve, an energy accumulation device, a hydraulic system and a working machine. The oil drain valve includes a valve body, a valve core and an elastic element. The valve body is provided with a first oil port and a second oil port, the valve core is communicated with the first oil port and the second oil port, and the valve core is movable in the valve body to switch from a first working position to a second working position. The elastic element is provided between a first end of the valve core and the valve body, the first end of the valve core is communicated with the first oil port, and a second end of the valve core is communicated with the second oil port.
F15B 13/04 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs pour utilisation avec un servomoteur unique
F15B 21/00 - Caractéristiques communes des systèmes de manœuvre utilisant des fluidesSystèmes de manœuvre à pression ou parties constitutives de ces systèmes, non couverts par l'un quelconque des autres groupes de la présente sous-classe
A working device and an arm support (100) thereof. The arm support (100) comprises a top plate (110), a bottom plate (120), and first and second side plates (130, 140). The top plate (110) and the bottom plate (120) are oppositely disposed at an interval. The first and second side plates (130, 140) are oppositely disposed at an interval. One side and an opposite side of the first side plate (130) are provided with a first and a second bending portion (134, 136), respectively. At least a part of the first and second bending portions (134, 136) are attached and spliced to the top plate (110) and the bottom plate (120), respectively. One side and an opposite side of the second side plate (140) are provided with a third and a fourth bending portion (144, 146), respectively. At least a part of the third and fourth bending portions (144, 146) are attached and spliced to the top plate (110) and the bottom plate (120), respectively. The working device is provided with a chassis, a pump tube and the arm support (100), and adjacent arm supports (100) are hinged to one another. The arm support (100) is suitable for mass production and has low costs.
The present disclosure provides a boom comprising a frame structure, wherein the boom comprises: a top plate; a bottom plate, wherein the bottom plate and the top plate are oppositely disposed at an interval; a first side plate; and a second side plate, wherein the second side plate and the first side plate are oppositely disposed at an interval, wherein a first side of the top plate is provided with a first bending portion, and at least a portion of the first bending portion and a first end of the first side plate are attached and spliced to each other, a second side of the top plate opposite to the first bending portion is provided with a second bending portion, at least a portion of the second bending portion and a first end of the second side plate are attached and spliced to each other, and a first side of the bottom plate is provided with a third bending portion, at least a portion of the third bending portion and a second end of the first side plate are attached and spliced to each other, a second side of the bottom plate opposite to the third bending portion is provided with a fourth bending portion, at least a portion of the fourth bending portion and a second end of the second side plate are attached and spliced to each other, and define the frame structure. The present disclosure makes the boom more suitable for mass production by splicing out the boom, and the change cost is low compared to the integrally formed mold.
Disclosed is a hybrid power system and an operation machinery. The hybrid power system includes an engine, a power distribution device, and a double-shaft extension motor. An input end of the power distribution device is connected to the output end of the engine, a first power output end of the power distribution device is connected to one end of the drive shaft, the input end is connected to the first power output end; a second power output end of the power distribution device is connected to one end of the double-shaft extension motor, and the second power output end is configured to selectively coupled with the input end or separated from the input end; another end of the double-shaft extension motor is configured to connect with the hydraulic power system.
B60K 6/40 - Agencement ou montage de plusieurs moteurs primaires différents pour une propulsion réciproque ou commune, p. ex. systèmes de propulsion hybrides comportant des moteurs électriques et des moteurs à combustion interne les moteurs primaires étant constitués de moteurs électriques et de moteurs à combustion interne, p. ex. des VEH caractérisés par des appareils, des organes ou des moyens spécialement adaptés aux VEH caractérisés par l'assemblage ou la disposition relative des organes
B60K 17/02 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type d'embrayage
B60K 17/06 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission du changement de vitesse
B60K 17/10 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de mécanisme de transmission à fluide
B60K 17/22 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type d'arbre principal d'entraînement, p. ex. arbre à cardan
B60K 17/28 - Agencement ou montage des transmissions sur les véhicules caractérisées par la disposition, l'emplacement ou le type de prise de force
B60L 15/04 - Procédés, circuits ou dispositifs pour commander la propulsion des véhicules à traction électrique, p. ex. commande de la vitesse des moteurs de traction en vue de réaliser des performances désiréesAdaptation sur les véhicules à traction électrique de l'installation de commande à distance à partir d'un endroit fixe, de différents endroits du véhicule ou de différents véhicules d'un même train caractérisés par la forme du courant utilisé dans le circuit de commande utilisant le courant continu
The present application discloses a concrete pumpability category identification method and apparatus, and an electronic device. The concrete pumpability category identification method comprises: acquiring an unloading image in a concrete unloading process, determining a concrete area image in the unloading image, and performing calculation on the concrete area image by using a trained classification model to obtain a pumpability category of the concrete. Therefore, the pumpability of the concrete is known before operation of a concrete pump truck, thereby avoiding risks in the concrete pump truck operation process.
A cantilever support and a work machine. The cantilever support comprises a telescopic cantilever (100), a first valve set (102) and an emergency pipeline (201), wherein the telescopic cantilever (100) comprises an inner cavity (101); the first valve set (102) is configured to be connected to an executing element of a spreading cantilever section set (130); the emergency pipeline (201) is arranged in the inner cavity (101), and one end of the emergency pipeline (201) is connected to the first valve set (102), and the other end of the emergency pipeline (201) is suspended. In order to overcome the defect that in the prior art, under the extreme condition of no electricity, the cantilever support cannot be withdrawn, according to the cantilever support, an emergency pipeline (201) is connected to a first valve set (102), the emergency pipeline (201) is arranged in an inner cavity (101) of a telescopic cantilever (100), and under the extreme state of no electricity, etc., the emergency pipeline (201) is connected to an emergency hydraulic system, so that a spreading cantilever section set is withdrawn, and the reliability of emergency withdrawing of a cantilever support is improved.
B66C 13/12 - Aménagements des moyens pour transmettre une puissance pneumatique, hydraulique ou électrique à des parties ou dispositifs mobiles
B66C 13/20 - Systèmes ou dispositifs de commande pour entraînement non électrique
B66F 11/04 - Dispositifs de levage spécialement adaptés à des buts particuliers, non prévus ailleurs pour plates-formes ou cabines mobiles, p. ex. sur des véhicules, permettant à des ouvriers d'occuper toute position convenable pour exécuter les travaux demandés
E02F 9/00 - Éléments constitutifs des dragues ou des engins de terrassement, non limités à l'une des catégories couvertes par les groupes
E02F 9/22 - Entraînements hydrauliques ou pneumatiques
A62C 27/00 - Engins de lutte contre l'incendie montés sur roues ou véhicules terrestres de lutte contre l'incendie
21.
Method and device for detecting position of piston rod, hydraulic cylinder and working machine
Disclosed are a method and a device for detecting a position of a piston rod, a hydraulic cylinder and a working machine. The method includes: acquiring a target image at a target position; obtaining a pixel information corresponding to the target image; comparing the pixel information with a pixel database of the piston rod, a full-stroke pixel information of the piston rod and a relationship between the full-stroke pixel information of the piston rod and a displacement of the piston rod are stored in the pixel database of the piston rod, and the full-stroke pixel information at least comprises the pixel information within a range in which the piston rod is configured to move relative to the target position; and determining a position information of the piston rod based on a comparison result.
Disclosed are a bending boom, a boom device and a work machine. The bending boom includes a middle portion and two extending portions. The middle portion is configured to connect external components. The extending portion has a first side wall and a second side wall opposite to the first side wall. The first side wall is flush with middle portion, and the second side wall is bent from middle portion towards a direction near first side wall. The two extending portions are connected to two opposite ends of middle portion. By providing the matching middle portion and extending portions, a situation in which stress concentration occurs at the middle portion can be prevented, which improves stress condition of the bending boom, and improves durability of the bending boom, the boom device and the work machine.
A support leg telescopic apparatus, a work machine, and a use method. The apparatus comprises a base body (100), a first telescopic arm (110), a second telescopic arm (120), a first sensing element (130), and a second sensing element (140); the base body is provided with a first inner cavity (102); the first telescopic arm is connected to the first inner cavity in a drawing manner, and the first telescopic arm is provided with a second inner cavity (112); the second telescopic arm is connected to the second inner cavity in a drawing manner; the first sensing element is connected to a cavity wall of the first inner cavity; the second sensing element is connected to the first telescopic arm and the second telescopic arm by means of a slide assembly (200); the first telescopic arm and the second telescopic arm are adapted to so to cause the first sensing element and the second sensing element to switch between a recognized position and an unrecognized position by means of telescopic motion; and when in the recognized position, the first telescopic arm and the second telescopic arm are both at preset extension distances. An operator can determine whether the first telescopic arm and the second telescopic arm extended into place according to a sensing signal, consequently ensuring that the support leg is in a completely opened state.
An engineering machinery includes a cab, a vehicle body located behind the cab, a rotating platform provided on the vehicle body, and multiple-sectional booms articulated in sequence, wherein a centerline of gyration of the rotating platform is located in a middle of the vehicle body, a first sectional boom is articulated with the rotating platform, and the first sectional boom extends from the rotating platform toward a rear end of the vehicle body, a second sectional boom is articulated with the first sectional boom and folded above the first sectional boom, the first sectional boom to a fourth sectional boom are folded into an R shape, a projection of a third sectional boom at least partially overlaps a projection of the cab on a vertical projection plane perpendicular to a length direction of the vehicle body.
The present application relates to the field of water spraying operation, and provides an operation machine. The operation machine comprises a vehicle frame, a water pump, and a power takeoff; the water pump is mounted on the vehicle frame; the power takeoff is connected to the water pump by means of a shaft; the power takeoff is mounted on the vehicle frame; and in the length direction of the vehicle frame, the water pump is arranged between the power takeoff and a cab of the operation machine. The present application is used for overcoming at least one defect in the prior art of low transmission efficiency and poor stability when a boom assembly has larger operation range. The water pump and the power takeoff are mounted on the vehicle frame, and in the length direction of the vehicle frame, the water pump is arranged between the power takeoff and the cab, such that the connection length of the shaft between the water pump and the power takeoff is shortened, and the transmission efficiency of the water pump and the power takeoff is improved.
An operation vehicle, comprising a vehicle body and a cab provided at a front end of the vehicle body, and further comprising a boom device. The boom device comprises at least seven booms hinged end to end in sequence. When the boom device is in a folded state, a fifth boom and a sixth boom are located on the same straight line, a seventh boom is located below the sixth boom, and end portions of at least two booms in the seven booms are located above the cab. The technical solutions of the present application overcome the defect in the prior art that the flexibility of boom construction of the operation vehicle is low.
The present disclosure provides a boom, a boom assembly and a work machine. The work machine comprises a boom support structure and the boom assembly connected to the boom support structure, wherein the boom assembly comprises a plurality of first booms hinged to one another, at least one of the first boom is the boom, the boom has a box-type structure and comprises a body comprising a first body portion and a second body portion, the first body portion and the second body portion overlapping each other to enclose and form the box-type structure. The boom can be designed to have a light weight, and a split-type design facilitates simplifying a mold, improving the versatility of a mold, alleviating the inconsistent of thermal deformation of the boom, and facilitating later maintenance.
A water resistance apparatus used for an oil cylinder, the oil cylinder including a press cover (10) and a piston rod (20) passing within press cover (10), and the water resistance apparatus including: a fluid inlet (14), which is arranged on the press cover (10); a fluid outlet (16), which is arranged on the press cover (10), the fluid outlet (16) and the fluid inlet (14) being in a staggered arrangement; a seal assembly (30), the seal assembly (30) being arranged between the press cover (10) and the piston rod (20); a fluid input assembly (40), the fluid input assembly (40) being connected with the fluid inlet (14); a fluid output assembly (70), the fluid output assembly (70) being connected with the fluid outlet (16). The fluid input assembly of the water resistance apparatus is able to perform cleaning on a pressure accommodating cavity as well as a hydraulic circuit and a valve connected with the pressure accommodating cavity, preventing the problem in current technology where an overflow element is unable to normally open or close due to a foreign substance within the pressure accommodating cavity clogging the overflow element of the fluid output assembly, and thus ensuring that sealed oil pressure is always established in the pressure accommodating cavity, allowing the seal assembly to normally operate, and consequently ensuring that a pumping operation can be carried out normally. Additionally, a pumping system which has the water resistance apparatus, a pumping machine, and a method of cleaning a pumping machine using the water resistance apparatus are disclosed.
F04B 9/10 - "Machines" ou pompes à piston caractérisées par les moyens entraînants ou entraînés liés à leurs organes de travail les moyens étant à fluide le fluide étant liquide
B08B 9/032 - Nettoyage des surfaces intérieuresÉlimination des bouchons par l'action mécanique d'un fluide en mouvement, p. ex. par effet de chasse d'eau
F04B 15/02 - Pompes adaptées pour travailler avec des fluides particuliers, p. ex. grâce à l'emploi de matériaux spécifiés pour la pompe elle-même ou certaines de ses parties les fluides étant visqueux ou non homogènes
29.
CURRENT CONTROL METHOD, CURRENT CONTROL SYSTEM, BOOM CONTROL SYSTEM, AND VEHICLE
Provided are a current control method, a current control system, a boom control system, and a vehicle. The current control method comprises: obtaining an actual current value for controlling rotation of a boom; obtaining a target current value; calculating an absolute value of a difference between the actual current value and the target current value; and when the absolute value of the difference is greater than a first preset threshold, adjusting the actual current value to the target current value according to a preset current change rate time curve. A change amplitude of the target current value is determined, and when the change amplitude is excessively large, the change of the current is controlled according to the preset current change rate time curve, so that the boom can be stably started during rotation and can be kept stable after reaching a target speed, thereby avoiding uneven movement of the boom; linear velocity based real-time following of the boom is ensured; the problems of impact and oscillation in a boom starting and stopping process are solved by controlling the current to change according to the preset curve.
H02P 29/40 - Régulation ou commande de la quantité de courant consommé ou fourni par le moteur pour commander la charge mécanique
E04G 21/04 - Dispositifs pour transporter et distribuer en même temps
H02P 1/04 - Moyens de commande de la progression d'une séquence de démarrage en fonction du temps ou en fonction du courant, de la vitesse ou d'un autre paramètre du moteur
H02P 3/02 - Dispositions pour l'arrêt ou le ralentissement de moteurs, génératrices électriques ou de convertisseurs dynamo-électriques Détails
30.
CONTROL METHOD AND CONTROL DEVICE OF PUMP TRUCK SUPPORT LEGS, AND CONTROL METHOD OF PUMP TRUCK
A control method and control device for pump truck support legs, and a control method of a pump truck. The control method of pump truck support legs comprises: after a boom is unfolded, obtaining a first inclination angle of the whole pump truck; and if the first inclination angle is greater than or equal to a first preset value, obtaining the current number of error occurrences, and according to the current number of error occurrences, controlling support legs to act. The support legs are controlled to act by comparing the first inclination angle with the first preset value, and after the boom is unfolded, the support legs can act in a certain range to level the whole pump truck, so that the construction flexibility is improved, and the construction efficiency is improved.
B60S 9/02 - Dispositifs sur les véhicules, venant en contact avec le sol, pour supporter, soulever ou manœuvrer le véhicule, entièrement ou en partie, p. ex. crics incorporés pour uniquement soulever ou supporter
31.
TIRE OFF-GROUND DETECTION METHOD AND APPARATUS FOR WORK MACHINE, AND WORK MACHINE
A tire off-ground detection method for a work machine, comprising: acquiring first angle information of a suspension arm (3) of an axle, and second angle information of a chassis (1); determining an angle difference according to the first angle information and the second angle information; and when the angle difference is not less than a preset angle, determining that each tire (4) of a work machine is in an off-ground state. The method takes into account the influence of a whole vehicle inclination angle generated by uneven ground on a detection result, thereby achieving an accurate determination of the off-ground state of the tires (4). Also disclosed are a tire off-ground detection apparatus for a work machine, and a work machine.
G01B 21/22 - Dispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour mesurer des angles ou des conicitésDispositions pour la mesure ou leurs détails, où la technique de mesure n'est pas couverte par les autres groupes de la présente sous-classe, est non spécifiée ou est non significative pour tester l'alignement des axes
32.
PUMPING DISPLACEMENT DATA RECOMMENDATION METHOD AND PUMPING DISPLACEMENT CONTROL METHOD AND APPARATUS
Provided are a pumping displacement data recommendation method and pumping displacement control method and apparatus. The pumping displacement data recommendation method comprises: receiving operating conditions data of a pumping device (102); searching for recommended displacement data in a displacement table according to the operating conditions data (103), the displacement table comprising a correlation between the operating conditions data and the recommended displacement data; sending the recommended displacement data to the pumping device (104). The optimal displacement corresponding to the current operating conditions of the pumping device is directly determined by means of a server according to the received operating conditions data, and the found optimal displacement is sent to the pumping device at a first time, and the optimal displacement with the fastest pumping speed under the real-time operating conditions is recommended to an operator, facilitating reference by the operator.
Provided in the present application are an emergency apparatus for operation machinery, and a fire-fighting truck. The emergency apparatus comprises an emergency power source expansion interface and a signal control apparatus, wherein after an electric connection between the emergency power source expansion interface and an emergency power source is established, the emergency power source is connected to an electric control circuit of operation machinery, so as to supply power to a main controller and an emergency switching valve of the operation machinery; the main controller receives a driving signal for a target element in the operation machinery that is sent by a signal control apparatus; and the main controller controls, in response to the driving signal, an action state of a control valve for supplying power to the target element, and controls the emergency switching valve to adjust a conduction state of a hydraulic oil circuit of the target element. By means of the emergency apparatus for operation machinery, and the fire-fighting truck provided in the present application, an external emergency power source can be connected to an electric control circuit of operation machinery by using an emergency power source expansion interface, such that electric control over some key fire-fighting elements in an emergency state can be realized; and a user can perform an emergency operation by means of a signal control apparatus, such that an operation process is effectively simplified, the emergency response time is shortened and operation risks are avoided.
F15B 20/00 - Dispositions propres à la sécurité pour systèmes de manœuvre utilisant les fluidesUtilisation des dispositifs de sécurité dans les systèmes de manœuvre utilisant des fluidesMesures d'urgence pour les systèmes de manœuvre utilisant des fluides
A62C 37/00 - Commande des installations de lutte contre l'incendie
A valve cover assembly, a hydraulic valve group, a hydraulic driving system, and an operation vehicle. The valve cover assembly comprises: a valve cover (13), the valve cover (13) being provided with an emergency oil port (132), and an oil cavity, which communicates with the emergency oil port (132); and an isolation piston (5), which is arranged in the oil cavity and is in sliding fit with same.
F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs
F15B 1/02 - Installations ou systèmes comprenant des accumulateurs
F15B 21/00 - Caractéristiques communes des systèmes de manœuvre utilisant des fluidesSystèmes de manœuvre à pression ou parties constitutives de ces systèmes, non couverts par l'un quelconque des autres groupes de la présente sous-classe
F16K 35/02 - Dispositions empêchant la mise en action accidentelle ou non autorisée à verrouillage ou déverrouillage par poussoir-tirette
F16K 31/06 - Moyens de fonctionnementDispositifs de retour à la position de repos électriquesMoyens de fonctionnementDispositifs de retour à la position de repos magnétiques utilisant un aimant
35.
FIRE FIGHTING TRUCK, FIRE FIGHTING SPRINKLER SYSTEM AND CONTROL METHOD THEREFOR
The present application provides a fire fighting truck, a fire fighting sprinkler system and a control method therefor. The fire fighting sprinkler system comprises a water pump, a fire monitor, a first valve body, a second valve body, a liquid supply device, a flow sensor, and a pressure sensor. The liquid supply device is communicated with the fire monitor by means of a first liquid pipeline, and the water pump and the first valve body are sequentially arranged on the first liquid pipeline in the extension direction of the first liquid pipeline. The second valve body is provided on a second liquid pipeline, one end of the second liquid pipeline is connected between the water pump and the first valve body, and the other end of the second liquid pipeline is connected to a water device. The flow sensor is used for acquiring the flow value of the first valve body, and the pressure sensor is used for acquiring the pressure value of the second valve body. The fire fighting sprinkler system has three working modes, namely, a constant voltage mode, a constant current mode and a direct control mode, and compared with an existing fire fighting truck, the fire fighting sprinkler system can adapt to various working conditions, and the reliability of the system is improved.
A62C 27/00 - Engins de lutte contre l'incendie montés sur roues ou véhicules terrestres de lutte contre l'incendie
A62C 37/38 - Commande des installations de lutte contre l'incendie le signal de déclenchement étant émis par un détecteur distinct de la tuyère par le détecteur et par le déclencheur, p. ex. une soupape, qui se trouvent tous les deux dans la zone de danger
A62C 31/02 - Buses spécialement conçues pour la lutte contre l'incendie
36.
CONTROL METHOD FOR BOOM, AND BOOM APPARATUS, ENGINEERING VEHICLE AND READABLE STORAGE MEDIUM
A control method for a boom (101), and a boom apparatus (10), an engineering vehicle (20) and a readable storage medium. The control method for a boom (101) comprises: receiving a stop signal of a rotation driving mechanism (102) of a boom (101) (S110); acquiring state information of the boom (101) (S120); and controlling the operation of the rotation driving mechanism (102) according to the state information, and driving a boom end of the boom (101) to perform a vibration suppression action in the direction opposite to a vibration direction (S130). By means of the control method for the boom (101), the vibration of the boom (101) after rotation stops can be effectively suppressed.
G05D 19/00 - Commande des oscillations mécaniques, p. ex. de l'amplitude, de la fréquence, de la phase
E04G 21/02 - Transport ou travail du béton ou de matériaux similaires susceptibles d'être mis en tas ou coulés
E04G 21/04 - Dispositifs pour transporter et distribuer en même temps
F16F 15/02 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif
F16F 15/027 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens fluides comprenant des dispositifs de commande
F16F 15/023 - Suppression des vibrations dans les systèmes non rotatifs, p. ex. dans des systèmes alternatifsSuppression des vibrations dans les systèmes rotatifs par l'utilisation d'organes ne se déplaçant pas avec le système rotatif utilisant des moyens fluides
F16F 15/00 - Suppression des vibrations dans les systèmesMoyens ou dispositions pour éviter ou réduire les forces de déséquilibre, p. ex. dues au mouvement
G05D 19/02 - Commande des oscillations mécaniques, p. ex. de l'amplitude, de la fréquence, de la phase caractérisée par l'utilisation de moyens électriques
37.
HYDRAULIC CONTROL VALVE GROUP, HYDRAULIC SYSTEM, AND OPERATION MACHINE
A hydraulic control valve group, a hydraulic system, and an operation machine. The hydraulic control valve group comprises a proportional valve (1) and a pressure regulating valve (2), wherein the pressure regulating valve (2) comprises an oil inlet connected to a main oil circuit of a main valve, an oil outlet for returning oil, and a remote pressure regulating port connected to an oil outlet of the proportional valve (1); a corresponding control flow is output from the oil outlet of the proportional valve (1) according to the pressure of the main oil circuit of the main valve; and the pressure regulating valve (2) adjusts the opening degree of a valve port thereof according to the control flow that is output by the proportional valve (1). A safe pressure value is preset for the pressure regulating valve, and during operation, the control flow at the oil outlet of the proportional valve is controlled according to the pressure of the main oil circuit of the main valve, and is transmitted to the remote pressure regulating port. A real-time pilot control pressure required by the pressure regulating valve is then calculated according to the control flow, and the opening degree of the valve port of the pressure regulating valve is adjusted, such that the control pressure of the pressure regulating valve is proportionally reduced, and a pressure peak value of a system is reduced during reversing, thereby reducing the system impact, and alleviating the shaking caused by the impact without losing the pumping efficiency and pumping continuity.
F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs
F15B 13/044 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs pour utilisation avec un servomoteur unique actionnés par des moyens commandés électriquement, p. ex. des solénoïdes, des moteurs à couple
F15B 20/00 - Dispositions propres à la sécurité pour systèmes de manœuvre utilisant les fluidesUtilisation des dispositifs de sécurité dans les systèmes de manœuvre utilisant des fluidesMesures d'urgence pour les systèmes de manœuvre utilisant des fluides
F15B 21/00 - Caractéristiques communes des systèmes de manœuvre utilisant des fluidesSystèmes de manœuvre à pression ou parties constitutives de ces systèmes, non couverts par l'un quelconque des autres groupes de la présente sous-classe
38.
OIL DRAIN VALVE, ENERGY ACCUMULATION DEVICE, HYDRAULIC SYSTEM, AND WORKING MACHINE
An oil drain valve (100) and an energy accumulation device (200) comprising same, a hydraulic system, and a working machine. The oil drain valve comprises a valve body (1), a valve core (2), and an elastic element (3); the valve body is provided with a first oil port (11) and a second oil port (12); the valve core communicates the first oil port and the second oil port; the valve core can move in the valve body so that the valve core is switched between a first working position and a second working position; the elastic element is disposed between a first end of the valve core and the valve body, the first end of the valve core is communicated with the first oil port, and a second end of the valve core is communicated with the second oil port; when the hydraulic oil in the oil drain valve flows from the first oil port to the second oil port, the valve core can be switched from the second working position to the first working position under the action of the elastic element; when the hydraulic oil in the oil drain valve flows from the second oil port to the first oil port, the valve core can compress the elastic element and is switched from the first working position to the second working position; the flow rate of the oil drain valve when the valve core works at the second working position is less than the flow rate when the valve core works at the first working position.
The present application provides an overflow identification method and system for a mixer truck, an electronic device, and a mixing plant. The method comprises: obtaining an unloading monitoring image in an unloading process of a mixing plant, the unloading monitoring image comprising a mixer truck receiving hopper; and performing instance segmentation on the unloading monitoring image on the basis of an instance segmentation model, determining a pixel point set of the inner wall of the mixer truck receiving hopper in the unloading monitoring image, and determining an overflow identification result of the mixer truck receiving hopper on the basis of the pixel point set. According to the method, automatic detection is performed by means of a vision algorithm, manual intervention is not needed, and labor cost can be reduced. In addition, in the embodiments of the present application, an overflow identification result is determined by means of a pixel point set; thus, false identification caused by splashing can be avoided, and the identification accuracy is improved.
G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
A fixed turret and a working machine. The fixed turret comprises: a turret base (11, 12); channels (17, 19) formed in the turret base for receiving telescopic legs; and an expansion oil tank (16, 18), wherein an oil cavity of the expansion oil tank (16, 18) is provided in the turret base and is formed above or below the channel. In this way, the fixed turret is provided with an expansion oil tank, and an oil cavity of the expansion oil tank is provided in the turret base and makes full use of the space above or below the channel in the turret base, such that the structure of the fixed turret is more compact.
Provided are an anti-blocking device, a concrete conveying pipe, a concrete pump truck, and an anti-blocking control method. The anti-blocking device comprises: a vibration device (100) and a pressure measurement device (600); the vibration device (100) is connected to a pipeline (200) and can be switched between a vibration state and a stationary state; and the pressure measurement device (600) is connected to the pipeline (200) and used for measuring a pressure value in the pipeline (200). The anti-blocking device for the concrete conveying pipe can adjust the operation state and vibration frequency of the vibration device according to the measured pressure value in the pipeline. The anti-blocking device is simple in structure, not only can effectively prevent the pipeline from being blocked, but also can quickly unblock the blocked pipeline.
A hybrid power system and an operation machine. The hybrid power system comprises an engine, a power distribution device, and a double-shaft extension motor; an input end of the power distribution device is connected to an output end of the engine, a first power output end of the power distribution device is connected to one end of a driving shaft, and the input end is connected to the first power output end; a second power output end of the power distribution device is connected to one end of the double-shaft extension motor, and the second power output end is selectively coupled with or separated from the input end; the other end of the double-shaft extension motor is configured to be connected to a hydraulic power system; the power distribution device has a power coupling state and a separation state; in the power coupling state, the first power output end and the second power output end form power coupling connection; and in the separation state, the input end is separated from the second power output end. The working state of the power distribution device is changed, such that the power of the hybrid power system can be conveniently distributed according to needs.
B60K 6/36 - Agencement ou montage de plusieurs moteurs primaires différents pour une propulsion réciproque ou commune, p. ex. systèmes de propulsion hybrides comportant des moteurs électriques et des moteurs à combustion interne les moteurs primaires étant constitués de moteurs électriques et de moteurs à combustion interne, p. ex. des VEH caractérisés par des appareils, des organes ou des moyens spécialement adaptés aux VEH caractérisés par les transmissions à engrenages
B60K 6/26 - Agencement ou montage de plusieurs moteurs primaires différents pour une propulsion réciproque ou commune, p. ex. systèmes de propulsion hybrides comportant des moteurs électriques et des moteurs à combustion interne les moteurs primaires étant constitués de moteurs électriques et de moteurs à combustion interne, p. ex. des VEH caractérisés par des appareils, des organes ou des moyens spécialement adaptés aux VEH caractérisés par les moteurs ou les générateurs
43.
MIXING DRUM ROTATION SPEED CONTROL METHOD AND APPARATUS, AND MIXER TRUCK
The present application provides a mixing drum rotation speed control method and apparatus, and a mixer truck. The method comprises: obtaining a power obtaining switch state and a key switch state of a mixer truck; if the power obtaining switch is switched off and the key switch is switched on, performing deceleration control on a mixing drum driving motor, and obtaining the current rotation speed of the mixing drum driving motor; and if the current rotation speed of the mixing drum driving motor is less than a first rotation speed set value, continuously using zero rotation speed control for the mixing drum driving motor. According to the method, apparatus, and mixer truck provided in the present application, unloading due to instantaneous reverse rotation caused by inertia would not occur, the reverse rotation impact force is avoided to the maximum extent, discomfort in driving is relieved, and driving experience of the driver is improved.
A mixing drum rotational speed control method and apparatus, and a mixer truck. The method comprises: acquiring the current rotational speed of a mixing drum driving motor; and determining, on the basis of the current rotational speed and a deceleration gear table, the current deceleration gear and a set holding time corresponding to the current deceleration gear, and performing gear-by-gear speed reduction control on the mixing drum driving motor, wherein the deceleration gear table comprises a plurality of deceleration gears configured according to decreasing control rotational speeds, and set holding times corresponding to the deceleration gears. The rotational speed of the mixing drum is continuously controlled, so that the phenomenon of discharging caused by instantaneous reverse rotation due to inertia is avoided, thereby avoiding a reverse impact force to the maximum extent, relieving driving discomfort, and improving driving experience of a driver.
Provided in the present application are a mixing station control method and apparatus, a mixing station, an electronic device, and a medium, applied to a server, and comprising: acquiring a connection request of a target industrial computer (110); on the basis of identification information of a target mixer, querying the target mixer (120); and, in response to a request signal, matching and connecting the target industrial computer to the target mixer (130). The target mixer is queried by means of the identification information of the target mixer, and then the target industrial computer is matched and connected to the target mixer by means of a response request signal, so that a single industrial computer can be matched and connected to any mixer, enabling the single industrial computer to communicate with any mixer.
The present application provides a remote control method for a mixing plant, a control terminal, a remote terminal, and a remote control system. A manual device of the mixing plant is provided with an intelligent switch. The remote control method comprises: receiving a production preparation instruction sent by a remote terminal; in response to the production preparation instruction, controlling the intelligent switch to be turned on; when it is determined that the manual device is powered on, sending feedback information to the remote terminal; receiving a production instruction sent by the remote terminal; and in response to the production instruction, controlling, by a lower computer of the mixing plant, production of the mixing plant. According to the remote control method for a mixing plant provided by the present application, the specificity of the production procedure of the mixing plant is fully considered, power-on of the manual device is remotely controlled by means of the remote terminal and the intelligent switch, an upper computer of a control room is replaced with the remote terminal, and the production process of the mixing plant is remotely controlled by means of the remote terminal and the lower computer; thus, remote control of the mixing plant is achieved, the intelligent level of the production procedure is improved, and electric energy is saved.
G05B 19/418 - Commande totale d'usine, c.-à-d. commande centralisée de plusieurs machines, p. ex. commande numérique directe ou distribuée [DNC], systèmes d'ateliers flexibles [FMS], systèmes de fabrication intégrés [IMS], productique [CIM]
H04L 67/025 - Protocoles basés sur la technologie du Web, p. ex. protocole de transfert hypertexte [HTTP] pour la commande à distance ou la surveillance à distance des applications
47.
MATERIAL MOISTURE CONTENT MEASUREMENT APPARATUS AND METHOD, AND CONCRETE PRODUCTION AND CONVEYER SYSTEM
Provided are a material moisture content measurement apparatus (400) and a material moisture content measurement method, and a concrete production and conveyer system. The material moisture content measurement apparatus (400) comprises: a material leveling apparatus (41) disposed above a material conveying belt (300), and a moisture tester (42); the material leveling apparatus (41) comprises: a material scraping plate (413) and a first side plate (411) and a second side plate (412) that are connected to two ends of the material scraping plate (413), that is, the material scraping plate (413) is disposed between the first side plate (411) and the second side plate (412).When a material is conveyed by the material conveying belt (300), the material scraping plate (413) levels the material passing under the material scraping plate (413).When the leveled material continues to be conveyed, the first side plate (411) and the second side plate (412) can prevent a material that is not leveled from entering the leveled material under the action of vibration, such that the thickness of the material leveled by the material leveling apparatus (41) is uniform, and the accuracy of moisture content measurement is improved.
A bending boom, a boom device, and an operating machine. The bending boom comprises an intermediate part (100) and extension parts (200). The intermediate part (100) is configured to be connected to external components; and the extension parts (200) each has a first side wall (210) and a second side wall (220) arranged oppositely, the first side wall (210) is flush with the intermediate part (100), and the second side wall (220) is bent from the intermediate part (100) toward the direction close to the first side wall (210), wherein there are two extension parts (200), and the two extension parts (200) are respectively connected to opposite ends of the intermediate part (100). In the bending boom (10), the provision of the intermediate part (100) and the extension parts (200) that work in conjunction with each other can prevent stress concentration at the intermediate part (100), thereby improving the stress condition of the bending boom, thus improving durability of the bending boom, the boom device, and the operating machine.
Provided in the present application are a pumping machine working performance evaluation method and apparatus. The method comprises: acquiring an evaluation parameter of a pumping machine; acquiring an evaluation result of each evaluation dimension of the pumping machine on the basis of the evaluation parameter; and displaying, in a working performance evaluation graph, the evaluation result of each evaluation dimension of the pumping machine, wherein each evaluation dimension comprises at least one of a fuel economic performance dimension, a pumping performance dimension and an engine power performance dimension. By means of the pumping machine working performance evaluation method and apparatus provided in the present application, evaluation results of some or all of a fuel economic performance dimension, a pumping performance dimension and an engine power performance dimension of a pumping machine are acquired, and the evaluation results of the evaluation dimensions are displayed in a working performance evaluation graph, such that a working performance of the pumping machine can be more comprehensively evaluated, the accuracy of evaluating the working performance of the pumping machine can be improved, and the obtained evaluation results are more intuitive and concise.
G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation
A boom apparatus and an engineering machine, wherein the boom apparatus is used in the engineering machine and comprises at least four booms which are hinged in sequence. A first boom (1) is hinged to a rotary table (8) of the engineering machine. When the boom apparatus is in a folded state, a second-to-last boom and a third-to-last boom are hinged and located on the same straight line. A last boom is hinged to the second-to-last boom and is located above the second-to-last boom. The length of the last boom is less than or equal to the length of the second-to-last boom. The engineering machine comprises a cab, a vehicle body located behind the cab, the rotary table (8) arranged on the vehicle body, and the boom apparatus. The last boom, the second-to-last boom, and the third-to-last boom are not very long. Therefore, material distribution by the boom is more flexible and has a wider range.
Provided are a hydraulic cylinder and an operation machine. The hydraulic cylinder comprises: a cylinder comprising a cylinder body (1) and a cylinder cover (2); and a piston rod (3), wherein the piston rod (3) is movably mounted to the cylinder; the piston rod (3) is provided with a plurality of encoding units (20) in a moving direction; and each encoding unit (20) comprises a start code (21) and a feature unit (22), the encoding units having the same start code, and any two encoding units (20) having different feature units (22). According to the hydraulic cylinder provided in present application, with the same start codes (21) and the different feature units (22), the encoding units (20) on the piston rod (3) are rapidly identified to determine the position of the piston rod (3) corresponding to the encoding units (20), such that the position of the piston rod (3) in the hydraulic cylinder can be detected without the need to damage the structure of the piston rod (3) and with unlimited detection range.
F15B 15/28 - Moyens pour indiquer la position, p. ex. fin de course
F15B 15/14 - Dispositifs actionnés par fluides pour déplacer un organe d'une position à une autreTransmission associée à ces dispositifs caractérisés par la structure de l'ensemble moteur le moteur étant du type à cylindre droit
An engineering machine, comprising a cab, a vehicle body located behind the cab, a rotary table (7) arranged on the vehicle body, and multi-section boom hinged in sequence, wherein a first boom section (1) is hinged to the rotary table (7), and the first boom section (1) extends from the rotary table (7) toward a rear end of the vehicle body; a second boom section (2) is hinged to the first boom section (1) and is folded above the first boom section (1); and at least one of the second boom section (2) to the last boom section extends to the position above the cab. The engineering machine further comprises a locking device, wherein the locking device is used for locking the first boom section (1) to the vehicle body, and after the second boom section (2) is unfolded to a preset angle, locking of the first boom section (1) is relieved. By means of the arrangement of the locking device, the unfolding sequence of the multi-section boom can be controlled, thereby avoiding damage being caused to the cab from the boom section located above the cab and an oil cylinder colliding with the cab due to the first boom section (1) being unfolded in advance.
The present application relates to the technical field of machines, and in particular to an engineering machine, which comprises a cab, a vehicle body located behind the cab, a rotary table arranged on the vehicle body, and multi-section boom hinged in sequence, wherein the rotary center line of the rotary table is located in the middle of the vehicle body; the first boom section is hinged to the rotary table and the first boom section extends from the rotary table to a rear end of the vehicle body; the second boom section is hinged to the first boom section and is folded above the first boom section; the first boom section to the fourth boom section are folded to form an R-shape, and on a vertical projection plane perpendicular to the lengthwise direction of the vehicle body, the projection of the third boom section and the projection of the cab at least partially overlap. Since the space of the second boom section and the third boom section in a height direction is very large, the space above the vehicle body can be fully utilized, such that the sections of the second boom section and the third boom section can be made very high, thereby facilitating the improvement of the rigidity of the multi-section boom; and under the condition of the overall height being limited, the cab does not need to be shortened, such that the cost can be saved on.
A position detection method and device for a piston rod (530), a hydraulic cylinder, and a working machine. The method comprises: obtaining a target image (620) at a target position (610); obtaining pixel information corresponding to the target image (620); comparing the pixel information with a piston rod pixel library, wherein full-stroke pixel information (200) of the piston rod (530) and the correspondence between the full-stroke pixel information (200) of the piston rod (530) and the displacement of the piston rod (530) are stored in the piston rod pixel library, and the full-stroke pixel information (200) comprises at least pixel information in the moving range of the piston rod (530) relative to the target position (610); and determining position information of the piston rod (530) on the basis of the comparison result.
A thermal runaway processing method, which is applied to a power source system comprising a plurality of branches. The thermal runaway processing method comprises: when thermal runaway occurs in any branch, switching off the branch. The power source system comprises a plurality of branches, and when thermal runaway occurs in any branch, the branch is directly switched off, such that the branch is stripped from the power source system. The switching-off of the branch in which the thermal runaway occurs has no impact on other branches in terms of a high-voltage architecture, and the other branches can also operate normally. Further disclosed are a thermal runaway processing apparatus and a readable storage medium.
A62C 3/07 - Prévention, limitation ou extinction des incendies spécialement adaptées pour des objets ou des endroits particuliers dans les véhicules, p. ex. les véhicules routiers
An electrical system, comprising: a power distribution box (110), wherein the power distribution box (110) comprises a first side surface (112); a steering oil pump socket (120) arranged on the first side surface (112); an air pump socket (130) arranged on the first side surface (112); a power conversion socket (140) arranged on the first side surface (112); a power socket (150) arranged on the power distribution box (110); a first powered device socket (160) arranged on the power distribution box (110); and a second powered device socket (170) arranged on the power distribution box (110), wherein the first powered device socket (160) and the second powered device socket (170) are arranged on different side surfaces of the power distribution box (110). The steering oil pump socket (120), the air pump socket (130) and the power conversion socket (140) are each integrated on the first side surface (112) of the power distribution box (110), so that the amount of space occupied is small, space for other components is reserved, and the degree of difficulty, with regard to the layout of an entire vehicle, is reduced. Further disclosed is a vehicle comprising the electrical system.
B60R 16/02 - Circuits électriques ou circuits de fluides spécialement adaptés aux véhicules et non prévus ailleursAgencement des éléments des circuits électriques ou des circuits de fluides spécialement adapté aux véhicules et non prévu ailleurs électriques
57.
INTELLIGENT UNLOADING MONITORING METHOD AND SYSTEM FOR CONCRETE BATCHING STATION
The present application provides an intelligent unloading monitoring method and system for a concrete batching station. The method comprises: acquiring a monitoring video frame of an unloading area of a concrete batching station to obtain a first video frame; and detecting and identifying the first video frame on the basis of a preset algorithm model, and monitoring unloading of the concrete batching station on the basis of the identification result. According to the method, manual participation in the unloading monitoring process is not needed, the intelligence of unloading monitoring can be realized, the monitoring effect of the unloading process is guaranteed, and thus the unloading efficiency of a control system is improved.
A power control method, comprising: determining a battery service power and a battery power threshold value (102); and on the basis of the battery service power being greater than the battery power threshold value, controlling the battery service power to decrease to the battery power threshold value (104). Therefore, a battery component can be prevented from running an excess load and safety can be ensured during the use of the battery component, without triggering an overcurrent fault of a battery, and thereby ensuring a good user experience. In addition, during the process of adjusting a battery service power, the advantage of outputting a large impulse power from a battery component within a short time is fully utilized, thereby improving the response speed of the battery component. Further disclosed are a power control apparatus and a vehicle.
B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries
B60L 58/13 - Maintien de l’état de charge [SoC] à l'intérieur d'une plage déterminée
B60L 3/00 - Dispositifs électriques de sécurité sur véhicules propulsés électriquementContrôle des paramètres de fonctionnement, p. ex. de la vitesse, de la décélération ou de la consommation d’énergie
59.
PEDAL FAILURE PROCESSING METHOD AND APPARATUS, VEHICLE, AND READABLE STORAGE MEDIUM
A pedal failure processing method, comprising: acquiring a degree of opening of a pedal; and on the basis that the degree of opening of the pedal satisfies a preset condition, adjusting a degree of opening of the pedal at the zero-position according to the degree of opening of the pedal, the preset condition comprising at least one of the following conditions: the degree of opening of the pedal is firstly increased to a first threshold of the degree of opening, and then decreased to a second threshold of the degree of opening; the degree of opening of the pedal is firstly decreased to the first threshold of the degree of opening, and then increased to the second threshold of the degree of opening; the pedal is stuck; and the pedal cannot return to the zero-position. According to the method, the degree of opening at the zero-position is reset according to different degrees of opening of a pedal, so that the set degree of opening at the zero-position can be close to an actual zero-position of the pedal to the maximum extent, thereby avoiding the problem of drifting of the degree of angle at the zero-position or sticking after repeated usage of the pedal, then ensuring that the degree of opening and power output of the pedal satisfy the expectation of a driver, and ensuring the driving safety of vehicles. Further disclosed are a pedal failure processing apparatus, a vehicle, and a readable storage medium.
A boom in-place detection device (120) and a vehicle. The boom in-place detection device (120) comprises: a main support (10); a boom (100) having a falling state, the main support (10) supporting the boom (100) in the falling state; a position detection assembly (40) comprising a sensing assembly (42) and a sensing block (44), the sensing assembly (42) being mounted on the main support (10), the sensing block (44) being mounted on the boom (100), the sensing block (44) and the sensing assembly (42) being correspondingly arranged, and a gap existing between the sensing block (44) and the sensing assembly (42) when the boom (100) is in the falling state; and a controller electrically connected to the sensing assembly (42), the controller determining, according to a signal of the sensing assembly (42), whether the boom (100) is in the falling state. Operation support legs of the vehicle perform action only when the position detection assembly (40) determines that the boom (100) is placed at a preset placement position, i.e., when the sensing block (44) is located in a monitoring range of the sensing assembly (42), and the boom (100) is placed at a support position of the main support (10), such that the problem of vehicle overturning caused by the operation support legs because the boom (100) is not placed in place is avoided.
G01V 3/12 - Prospection ou détection électrique ou magnétiqueMesure des caractéristiques du champ magnétique de la terre, p. ex. de la déclinaison ou de la déviation fonctionnant par ondes électromagnétiques
A turret structure (100), comprising: a turret body (110), the turret body (110) forming a hollow cavity (111), two oil tanks (120) being provided in the hollow cavity (111), the two oil tanks (120) being independent of each other, and the two oil tanks (120) being used for connecting to two hydraulic systems (210). Also provided is a work machine, comprising a turret structure (100) and two hydraulic systems (210), two oil tanks (120) of the turret structure (100) respectively forming oil storage tanks of the two hydraulic systems (210). The oil tanks (120) and the turret body (110) are of an integrated structure, or the oil tanks (120) are disposed in the hollow cavity (111) in a nested structure. Compared with the manner in which the two independent tanks are directly mounted on the turret body (110), the space utilization rate is effectively improved, the overall structural arrangement of the apparatus is facilitated, and the overall weight of the apparatus is reduced, thereby satisfying strict overweight regulation requirements. In addition, hydraulic oil for different hydraulic systems (210) can also be separated, thereby facilitating improvement of the service life of the overall oil and reducing maintenance costs.
An emergency pumping control packet, a hydraulic system, and a pumping device. The emergency pumping control packet (1) comprises an emergency operation module (11) and a power supply interface module (12); the emergency operation module (11) is configured to receive an operation instruction of a user to control the start of at least one of positive/reverse pumping of a pumping system and left/right swing of a distribution valve; and an emergency communication interface (4) is electrically connected to the emergency operation module (11), and the emergency communication interface (4) is configured to be electrically connected to a control valve set (2) on an oil path of the hydraulic system. The emergency control of the hydraulic system is achieved by means of the emergency pumping control packet (1), ensuring that a concrete pump truck can still continue operating when a main control system fails, thereby effectively preventing waste of concrete and environmental pollution caused thereby.
F15B 1/02 - Installations ou systèmes comprenant des accumulateurs
F15B 11/20 - Systèmes de servomoteurs dépourvus d'asservissement avec plusieurs servomoteurs commandant plusieurs organes réagissant les uns sur les autres ou fonctionnant successivement
F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs
F15B 13/10 - Dispositions particulières pour faire fonctionner le dispositif entraîné sans utiliser la pression du fluide, p. ex. en cas d'urgence
F04B 49/00 - Commande des "machines", pompes ou installations de pompage ou mesures de sécurité les concernant non prévues dans les groupes ou présentant un intérêt autre que celui visé par ces groupes
E04G 21/04 - Dispositifs pour transporter et distribuer en même temps
F15B 21/08 - Systèmes de servomoteur comportant des moyens de commande actionnés électriquement
F15B 20/00 - Dispositions propres à la sécurité pour systèmes de manœuvre utilisant les fluidesUtilisation des dispositifs de sécurité dans les systèmes de manœuvre utilisant des fluidesMesures d'urgence pour les systèmes de manœuvre utilisant des fluides
63.
LIQUID METERING DEVICE, MIXING PLANT AND LIQUID METERING CONTROL METHOD
The present application relates to the technical field of concrete production apparatuses, in particular to a liquid metering device, a mixing plant and a liquid metering control method. The liquid metering device comprises: a water weighing component provided with a first material discharge port and a second material discharge port; a first liquid discharge valve (71) connected to the first material discharge port, so as to open or close the first material discharge port; and a second liquid discharge valve (72) connected to the second material discharge port, so as to open or close the second material discharge port. The cross-sectional area of flow of the first material discharge port is greater than that of the second material discharge port. The water weighing component of the present application is provided with the two material discharge ports, thereby achieving two-speed two-gear material discharging, and a water deduction target value can be flexibly set, thereby improving the water deduction precision, and ensuring the quality of concrete.
Disclosed in the present application are a work machine fault processing method, a system, an electronic device, and a computer readable storage medium, solving the problem of low fault determination efficiency. The work machine fault processing method provided in the present application comprises: obtaining historical working parameters of the work machine within a working time period, the historical working parameters comprising working parameters and control parameters of the work machine at different working time nodes; performing fault diagnosis and analysis according to the historical working parameters; and outputting and/or displaying the fault diagnosis and analysis result.
The present disclosure relates to the technical field of stirring stations, and specifically relates to a discharge control method and device and a stirring station. The discharge control method of the present disclosure is applied to a stirring station. The stirring station comprises a stirring main machine. The method comprises: acquiring the weight of a stirring main machine; when the weight of the stirring main machine is larger than or equal to a first preset value, controlling a discharge door of the stirring main machine to open; and when the weight of the stirring main machine is less than the first preset value, controlling the discharge door of the stirring main machine to close. The weight of the stirring main machine is monitored, and when the weight of the stirring main machine is larger than or equal to the first preset value, the discharge door of the stirring main machine is controlled to open; and when the weight of the stirring main machine is smaller than or equal to the first preset value, the discharge door of the stirring main machine is controlled to close, which may prevent the stirring main machine from jamming due to a large amount of materials still remaining in the stirring main machine when materials are fed into the stirring main machine, and also preventing wasting time due to the discharge door still being open for discharging when all the materials in the stirring main machine have been discharged.
An operation vehicle, comprising a vehicle body and a cab (300) provided at the front end of the vehicle body, and further comprising a boom device (100). The boom device (100) comprises at least seven booms hinged end to end in sequence. For the boom device (100) in a folded state, a fifth boom (5) and a sixth boom (6) are located on the same straight line, a seventh boom (7) is located below a sixth boom (6), and the end portions of at least two booms in the seven booms are located above the cab (300). The technical method overcomes the defect in the prior art that the flexibility of boom construction of the operation vehicle is low.
Work machinery, comprising a vehicle body (1), a turntable (2), and a transfer structure, the vehicle body (1) being equipped with a rotating assembly (3) positioned behind a cab (4), the turntable (2) comprising a support base (21) and a support arm (22), the support base (21) being mounted on the rotating assembly (3), the support arm (22) being mounted on the support base (21) and being capable of rotating relative to the axis of rotation of the turntable (2) to above the cab (4), and the transfer structure being mounted on the support arm (22). The structure of the work machinery ensures the mechanical strength of the turntable, and the eccentric arrangement of the turntable is unrestricted, enabling the turntable to reach a large eccentric distance to ensure that a boom connected to the turntable can be arranged above the cab of the work machinery, fully utilising the free space above the cab and effectively increasing the length of the boom arrangement.
A work machine, comprising a truck body (1), a turntable (2), a boom (5), and an amplitude change mechanism (6). A slewing assembly (3) located behind a driving cab (4) is mounted on the truck body (1); the turntable (2) is mounted on the slewing assembly (3); the turntable (2) comprises a hinge arm (23); the hinge arm (23) can slew and be positioned above the driving cab (4) with respect to a slewing axis of the turntable (2); a first hinge structure (231) and a second hinge structure (232) are provided on the hinge arm (23); the eccentric distance of the first hinge structure (231) and/or the second hinge structure (232) with respect to the slewing axis of the turntable (2) is greater than the distance between the rear end of the driving cab (4) and the slewing axis; the first hinge structure (231) is hinged to one end portion of the boom (5), the second hinge structure (232) is hinged to one end of the amplitude change mechanism (6), and the other end of the amplitude change mechanism (6) is hinged to the middle of the boom (5). According to the work machine, the boom can slew and be positioned above the driving cab along with the hinge arm, thereby effectively making use of the spare space above the driving cab, greatly increasing the arrangement length of the boom, effectively reducing the overturning moment of the boom, and improving the work capability of the boom.
A hydraulic fluid tank assembly, comprising: a fluid tank body (1) used for storing hydraulic fluid and having a first opening (4), wherein the first opening (4) is provided on a bottom wall of the fluid tank body (1); and a storage cylinder (2) provided below the fluid tank body (1) and having a second opening (5), wherein the second opening (5) is in communication with the first opening (4) by means of a delivery pipeline (7). The hydraulic fluid tank assembly can prevent, to the maximum extent, hydraulic fluid and water from being mixed again, reducing the pollution of hydraulic fluid. In addition, an operation machine comprising the hydraulic fluid tank assembly is disclosed.
The present application provides a turntable and a work machine. The turntable comprises a rotating seat and a mounting arm; a rotation axis is formed in the rotating seat; one end of the mounting arm is provided on the rotating seat; first rotary connection structures and second rotary connection structures are configured on the mounting arm at intervals; the first rotary connection structures and the second rotary connection structures are located on the same side of a rotation axis. According to the turntable and the working machine provided by the present application, the first rotary connection structures and the second rotary connection structures are arranged on the same side of the rotation axis, so that when the distances between the first and second rotary connection structures are equal, compared with a mode of arranging on different sides, the mode of arranging on the same side increases the eccentric distance of the first rotary connection structures with respect to the rotation axis, thereby providing a sufficient design space for a boom of a work machine.
A boom device and an operation vehicle. The boom device comprises a first boom (11) and a second boom (12); one end of the first boom (11) is hinged to one end of the second boom (12); in a folded state of the boom device, the first boom (11) and the second boom (12) are stacked in a vertical direction; one end of the first boom (11) hinged to the second boom (12) is provided with a bending boom section (111), and the bending boom section (111) bends towards a direction away from the second boom (12). The operation vehicle comprises a fixed turret (9) fixed to the rear of the cab and a rotary table (10), and the rotary table (10) is rotatably connected to the fixed turret (9); the operation vehicle further comprises the boom device. The boom device and the boom of the operation vehicle improve rigidity and torsion resistance.
Disclosed is a hydraulic rotary joint (100). The hydraulic rotary joint comprises: a core shaft (10) having a plurality of axial open holes (12) and a plurality of first open holes (14), the plurality of axial open holes being provided in the circumferential direction of the core shaft at intervals, and the plurality of axial open holes being in communication with the plurality of first open holes in a one-to-one correspondence; and a shell (20) arranged at the periphery of the core shaft, a plurality of second open holes (22) being provided in the axial direction of the shell at intervals, and one second open hole being in communication with at least two first open holes. The size of the hydraulic rotary joint can be reduced while maintaining the original large through-flow capacity of the hydraulic rotary joint, thereby fully using the internal space, and solving the problem of the large through-flow requirement of the hydraulic rotary joint being unable to be met when the mounting space is limited. Further disclosed are an electro-hydraulic rotary connecting device (400) and an operating vehicle.
F16L 39/06 - Raccords ou accessoires de raccordement pour tuyaux à double paroi ou à canaux multiples ou pour assemblages de tuyaux du type rotatif multiligne, p. ex. comprenant plusieurs modules montés axialement
73.
WATER RESISTANCE APPARATUS, PUMPING SYSTEM, PUMPING MACHINE, AND CLEANING METHOD
A water resistance apparatus used for an oil cylinder, the oil cylinder comprising a press cover (10) and a piston rod (20) passing within press cover (10), and the water resistance apparatus comprising: a fluid inlet (14), which is arranged on the press cover (10); a fluid outlet (16), which is arranged on the press cover (10), the fluid outlet (16) and the fluid inlet (14) being in a staggered arrangement; a seal assembly (30), the seal assembly (30) being arranged between the press cover (10) and the piston rod (20); a fluid input assembly (40), the fluid input assembly (40) being in communication with the fluid inlet (14); a fluid output assembly (70), the fluid output assembly (70) being in communication with the fluid outlet (16). The fluid input assembly of the water resistance apparatus is able to perform cleaning on a pressure accommodating cavity as well as a hydraulic circuit and a valve in communication with the pressure accommodating cavity, preventing the problem in current technology where an overflow element is unable to normally open or close due to a foreign substance within the pressure accommodating cavity clogging the overflow element of the fluid output assembly, and thus ensuring that sealed oil pressure is always established in the pressure accommodating cavity, allowing the seal assembly to normally operate, and consequently ensuring that a pumping operation can be carried out normally. Additionally, a pumping system which has the water resistance apparatus, a pumping machine, and a method of cleaning a pumping machine using the water resistance apparatus are disclosed.
A central swivel joint, a hydraulic control system, and a working vehicle. The central swivel joint (100) comprises: a first rotary body (2), a first oil passage (201) and a second oil passage (202) being provided in the first rotary body (2); a second rotary body (4) sleeved on the outside of the first rotary body (2), the second rotary body (4) and the first rotary body (2) being rotatable relative to each other, and the second rotary body (4) being provided with a first oil port (402) and a second oil port (404); a first annular groove (6) provided in the second rotary body (4), the first oil port (402) being connected to the first annular groove (6); and a second annular groove (8) provided in the second rotary body (4), the second oil port (404) being connected to the second annular groove (8). The first oil passage (201) is in communication with one of the first annular groove (6) and the second annular groove (8), and the second oil passage (202) is in communication with the other one of the first annular groove (6) and the second annular groove (8). Two oil passages are formed in the central swivel joint (100), such that the overall size of the central swivel joint (100) can be reduced, and the axial length of the central swivel joint (100) can be shortened, thus reducing the weight and cost of the central swivel joint (100).
F16L 39/06 - Raccords ou accessoires de raccordement pour tuyaux à double paroi ou à canaux multiples ou pour assemblages de tuyaux du type rotatif multiligne, p. ex. comprenant plusieurs modules montés axialement
F16L 25/01 - Structure ou détails de raccords de tuyaux non prévus dans les groupes ou présentant in intérêt autre que celui visé par ces groupes spécialement adaptés pour réaliser une conduction électrique entre les deux extrémités raccordées des tuyaux ou entre leurs éléments
F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs
H01R 39/64 - Dispositifs pour le captage ininterrompu du courant
75.
UNLOADING CONTROL METHOD AND DEVICE, MIXING PLANT, AND READABLE STORAGE MEDIUM
The present application provides an unloading control method and device, a mixing plant, and a readable storage medium. The unloading control method comprises: obtaining a material formula, and according to the material formula, determining a first silo and a second silo which are adjacent in the unloading sequence; obtaining an unloading time period and the weight of aggregate in the first silo when an unloading door of the first silo is opened; determining an unloading speed according to the unloading time period and the weight of the aggregate in the first silo; and determining an unloading time interval between the second silo and the first silo according to the unloading speed and the distance between the first silo and the second silo. By means of the unloading control method in the present application, real-time working conditions of unloading can be determined, so as to intelligently adjust the unloading time interval between two silos which are adjacent in the unloading sequence, thereby achieving no heap, no overflow, and seamless connection of material flows, and achieving the purposes of accurate and efficient production and saving manpower and material resources.
A support leg device and an operating vehicle. The support leg device comprises: a first cover plate (102); a first side plate (104), having one side connected to one side of the first cover plate (102); and a second side plate (106), having one side connected to the other side of the first cover plate (102). A box-shaped space is defined by the first cover plate (102), a second cover plate (108), the first side plate (104), and the second side plate (106); a water storage cavity (166) and an oil storage cavity (118) are formed in the box-shaped space; the water storage cavity (166) and the oil storage cavity (118) are arranged side by side or in a nested manner; and the water storage cavity (166) and the oil storage cavity (118) are separated by means of a heat-conducting plate. The structural compactness and functional diversification of the support leg device can be implemented, the space of the operating vehicle is optimized, the support leg device has functions of supporting and storing oil and liquid, and the space needed for arranging an independent hydraulic oil tank is saved, thereby implementing miniaturization of a product to a certain degree and facilitating cost reduction.
B60S 9/02 - Dispositifs sur les véhicules, venant en contact avec le sol, pour supporter, soulever ou manœuvrer le véhicule, entièrement ou en partie, p. ex. crics incorporés pour uniquement soulever ou supporter
F15B 1/26 - Réservoirs d'alimentation ou de pompage
B60S 1/66 - Autres accessoires sur véhicules pour le nettoyage pour nettoyer l'extérieur du véhicule
E04G 21/04 - Dispositifs pour transporter et distribuer en même temps
A boom (1), a boom assembly (2), and a work machine (3). The work machine (3) comprises a boom support structure (30) and the boom assembly (2) connected to the boom support structure (30); the boom assembly (2) comprises a plurality of first booms (20) hinged to one another, at least one first boom (20) being the boom (1); the boom (1) has a box-shaped structure and comprises a body (10), the body (10) comprising a first body portion (100) and a second body portion (102), the first body portion (100) and the second body portion (102) overlapping each other to enclose and form the box-shaped structure. The boom (1) can be designed to have a light weight, and a split-type design facilitates simplifying a mold, improving the versatility of a mold, alleviating the inconsistency of thermal deformation of the boom (1), and facilitating later maintenance.
A paver control system, a paver control method, and a paver. The paver control system comprises: an image collection device (11), which is arranged on a paver (2) and is used for collecting image information of an execution device of the paver (2); a controller (12) arranged on the paver (2), with the controller (12) being electrically connected to the image collection device (11) and the execution device, so as to control the execution device to work according to the image information collected by the image collection device (11); and the execution device, which is arranged on the paver (2) and is used for working under the control of the controller (12). The execution device comprises at least one of a driving mechanism (15), a prompting device (14) and a material distributing device. The working accuracy of the paver (2) can be improved, and an improvement in the operation quality and efficiency of the paver (2) is thus facilitated.
G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
79.
MILLING MACHINE MATERIAL CONVEYING CONTROL METHOD, SYSTEM AND APPARATUS, AND MILLING MACHINE
A milling machine material conveying control method, system (1) and apparatus, and a milling machine (2). The milling machine material conveying control method comprises: obtaining the height-adjustment displacement of a material receiving machine (23) of a milling machine (2) in a floating state; and controlling a lifting height of the material receiving machine (23) and an advancing speed of the milling machine (2) according to the height-adjustment displacement so as to control the material conveying amount of the milling machine (2). The lifting height of the material receiving machine (23) and the advancing speed of the milling machine (2) are controlled at the same time, so that the variable quantity of the milling square quantity is reduced, the effect of scattered waste on the conveying amount of the milling machine (2) is reduced, the process that a conveying mechanism (232) conveys the waste to a waste conveying vehicle is kept relatively stable, and the service life of conveying parts such as a conveying belt (2321) is prolonged.
A support apparatus and a work machinery. The support apparatus (100) is provided between a first boom (200) and a second boom (300) and is used for supporting the second boom (300). The support apparatus (100) comprises: a support base (110), provided on the first boom (200); a flexible element (150), connected at one end to the support base (110); a support plate (120), connected to the other end of the flexible element (150), the support plate (120) being used for supporting the second boom (300); a first limiting part (130), slidably connected to a first end of the support base (110), and at least a part of the first limiting part (130) extending beyond the support plate (120); a second limiting part (140), provided at a second end of the support plate (120), the second end being the end of the support plate (120) away from the first limiting part (130), where the support plate (120) drives the first limiting part (130) to slide in the direction of the second limiting part (140) under the effect of pressure. The support apparatus, with the first limiting part and the second limiting part respectively provided at two opposite ends of the support plate to clamp the second boom, implements a limiting function with respect to the second boom, and reduces the occurrence of the second boom being deformed.
The present application provides a wiper device, a cab, and an operating vehicle. The wiper device comprises: a wiper brush; a wiper arm, one end being connected to the wiper brush; an output assembly, one end being connected to the end of the wiper arm away from the wiper brush; a coupling assembly; a driving mechanism connected to the coupling assembly; and a stretchable rod disposed on the output shaft assembly or the coupling assembly and used for achieving the connection between the coupling assembly and the output shaft assembly, the stretchable rod being capable of stretching and retracting in the direction of connection between the output shaft assembly and the coupling assembly. According to the present application, connecting the coupling assembly and the output shaft assembly by means of the stretchable rod can ensure that the connection between the output shaft assembly and the coupling assembly can not only improve the reliability of connection between the driving mechanism and the output shaft assembly and achieve quick torque transfer, but also effectively improve the versatility and stability of use of the wiper device
Provided are a mixing system, a concrete pumping system and a control method therefor, and a storage medium. The mixing system comprises: a hopper; a first mixing device arranged on the hopper; and a second mixing device arranged on the hopper and opposite the first mixing device, wherein a mixing speed of the first mixing device and a mixing speed of the second mixing device can be independently adjusted. The mixing system provided in the present application is provided with two mixing devices, namely, the first mixing device and the second mixing device, and the two mixing devices can be independently controlled, so that the coaxiality of mounting holes on two sides of the hopper is not required to be ensured during machining, and the machining difficulty is low. In addition, the two mixing devices can perform mixing at different mixing speeds according to a material suction side and a material discharge side, wherein the speed on the material suction side is high, thereby being able to accelerate the feeding of concrete and improve a material suction performance; and on a material pushing side, mixing blades have a low speed and can even stop rotating, thereby saving energy.
B28C 5/14 - Mélange dans des récipients non mis en mouvement pour effectuer ce mélange avec des agitateurs mélangeant les matériaux les agitateurs étant en mouvement autour d'un axe horizontal ou approximativement horizontal
The present application provides a stirring system, a pumping machine and a control method therefor, and a storage medium. The stirring system comprises: a hopper having a discharge port; and a stirring apparatus at least partially disposed in the hopper, the stirring speed of the stirring apparatus being regulated according to the discharge speed of the discharge port. The stirring system provided by the present application has a hopper and a stirring apparatus, the hopper implements discharge through the discharge port, and the stirring speed of the stirring apparatus is determined according to the discharge speed of the discharge port; accordingly, the stirring speed and the discharge speed of the discharge port are optimally matched, thereby improving the concrete suction capability, i.e., ensuring that the concrete suction performance can be kept in the best state at different discharge speeds.
B28C 5/08 - Appareillages ou procédés pour la production de mélanges de ciment avec d'autres substances, p. ex. coulis, mortiers, compositions poreuses ou fibreuses utilisant des moyens mécaniques d'entraînement pour effectuer le mélange
F04B 15/02 - Pompes adaptées pour travailler avec des fluides particuliers, p. ex. grâce à l'emploi de matériaux spécifiés pour la pompe elle-même ou certaines de ses parties les fluides étant visqueux ou non homogènes
F04B 1/02 - "Machines" ou pompes multicylindres caractérisées par le nombre ou la disposition des cylindres ayant deux cylindres
A delivery pipe, which comprises: a pipe body (1); a plurality of bosses (2) arranged on at least part of the inner wall surface of the pipe body (1), the bosses (2) extending along the axial direction of the pipe body (1), and the plurality of bosses (2) being arranged at intervals along the circumferential direction of the pipe body (1); and flow guide grooves (3) formed between every two adjacent bosses (2). According to the delivery pipe, the abrasion resistance and strength of the inner wall surface of the delivery pipe can be enhanced, the abrasion of the delivery pipe is reduced, the service life of the delivery pipe can be effectively prolonged, and the cost is reduced favorably. In addition, disclosed is a pumping device comprising the delivery pipe.
A boom (100) and working equipment. The working equipment comprises a chassis and a boom system arranged on the chassis, the boom system comprises a plurality of booms (100), and two adjacent booms (100) are hinged to each other. The boom (100) has a frame structure; the boom (100) comprises a bottom plate (110), a bottom plate (120), a first side plate (130), and a second side plate (140); bending portions are formed on both sides of each of the top plate (110) and the bottom plate (120); at least part of each bending portion is separately attached to and assembled with an end portion of the corresponding first side plate (130) or second side plate (140), so as to define the frame structure. The boom (100) is formed by assembly, and thus is suitable for mass production and has a low replacement cost.
A working device and an arm support (100) thereof. The arm support (100) comprises a top plate (110), a bottom plate (120), and first and second side plates (130, 140). The top plate (110) and the bottom plate (120) are oppositely disposed at an interval. The first and second side plates (130, 140) are oppositely disposed at an interval. One side and an opposite side of the first side plate (130) are provided with a first and a second bending portion (134, 136), respectively. At least a part of the first and second bending portions (134, 136) are attached and joined to the top plate (110) and the bottom plate (120), respectively. One side and an opposite side of the second side plate (140) are provided with a third and a fourth bending portion (144, 146), respectively. At least a part of the third and fourth bending portions (144, 146) are attached and joined to the top plate (110) and the bottom plate (120), respectively. The working device is provided with a chassis, a pump tube and the arm support (100), and adjacent arm supports (100) are hinged to one another. The arm support (100) is suitable for mass production and has low costs.
Disclosed are a self-lubricating shaft and a work machine provided with the self-lubricating shaft. The self-lubricating shaft comprises a shaft body (100) comprising an inner cavity, and a piston (200) movably disposed in the inner cavity of the shaft body; the inner cavity of the shaft body (100) extends along the axial direction of the shaft body (100); one side of the piston (200) is an oil storage cavity (105) used for storing a lubricant; the shaft body (100) is provided with an oil outlet channel (101) that has one end communicated with the oil storage cavity (105) and the other end extending to the peripheral surface of the shaft body (100); the piston (200) is connected to the shaft body (100) by means of an elastic piece (210) used for applying an acting force to the piston (200) to compress the oil storage cavity (105). The self-lubricating shaft can continuously and spontaneously press the lubricant stored in the oil storage cavity of the shaft body to the outer surface of the shaft body, so as to achieve a lubrication effect, thereby avoiding frequent manual replenishment of lubricant; under active pressing of the elastic piece, the lubricant on the outer surface of the shaft body is sufficient, so that the lubrication effect is good.
F16N 7/14 - Installations à huile ou autre lubrifiant non spécifié, à réservoir ou autre source portés par la machine ou l'organe machine à lubrifier le lubrifiant provenant du réservoir par moyens mécaniques
F16N 29/00 - Dispositifs particuliers dans les installations ou les systèmes de lubrification indiquant ou détectant des conditions indésirablesUtilisation des dispositifs sensibles à ces conditions dans les installations ou les systèmes de lubrification
88.
BOOM APPARATUS AND CONTROL METHOD AND CONTROL DEVICE THEREFOR, AND COMPUTER-READABLE STORAGE MEDIUM
Disclosed are a control method for a boom apparatus, a control device for a boom apparatus, a computer-readable storage medium and a boom apparatus. The boom apparatus comprises a rotary table (6), a mechanical arm (7) and supporting legs, wherein the mechanical arm (7) comprises a plurality of booms (72, 74, 76, 78), the head ends of the booms (72, 74, 76, 78) are rotatably connected to the rotary table (6), and a supporting device comprises a plurality of supporting legs used for supporting the boom apparatus. The control method for the boom apparatus comprises: detecting stress states of the supporting legs (102); determining whether each supporting leg is stressed or whether the stress is greater than a preset threshold value (104); and when any supporting leg is not stressed or the stress is less than or equal to the preset threshold value, restricting the action of the booms (72, 74, 76, 78) of the mechanical arm (7) so as to limit an increase in the distance from the center of gravity of the mechanical arm (7) to the axis of the rotary table (6) (106). According to the control method for the boom apparatus, the center of gravity of the mechanical arm (7) is always in a safe range, such that the boom apparatus is prevented from overturning due to uneven stress, and the safety of the boom apparatus in an operation process is ensured.
B66F 11/04 - Dispositifs de levage spécialement adaptés à des buts particuliers, non prévus ailleurs pour plates-formes ou cabines mobiles, p. ex. sur des véhicules, permettant à des ouvriers d'occuper toute position convenable pour exécuter les travaux demandés
B66F 17/00 - Dispositifs de sécurité, p. ex. pour limiter ou indiquer la force de levage
A62C 27/00 - Engins de lutte contre l'incendie montés sur roues ou véhicules terrestres de lutte contre l'incendie
Provided are an arm support device and a concrete pump truck with the arm support device. The arm support device comprises a tail end arm support (1), a first conveying pipe (2), a second conveying pipe (3), a first connecting member (4) and a driving cylinder (6), wherein the first conveying pipe (2) is fixed on the tail end arm support (1) in an extension direction of the tail end arm support (1); the second conveying pipe (3) is in communication with the first conveying pipe (2) and is rotationally connected to one end of the first conveying pipe (2); a straight pipe section (31) of the second conveying pipe (3) protrudes out of the tail end arm support (1) in the extension direction of the tail end arm support (1); the first connecting member (4) is fixed to the second conveying pipe (3); and one end of the driving cylinder (6) is rotationally connected to the tail end arm support (1), and the other end thereof is rotationally connected to the first connecting member (4). The arm support device and the concrete pump truck may distribute materials remotely, and are lightweight and have a good stability.
A stock bin, a stirring station, and a control method. The stock bin (1) comprises: a bin body (10), wherein a cavity used for storing materials and at least one opening used for unloading the materials are formed in the bin body (10); a plurality of door plates (120), wherein the door plates (120) are used for opening and closing the opening; and a controller connected to the door plates (120), wherein the controller is used for controlling the plurality of door plates (120) to be opened at intervals. The stock bin can effectively unload the materials in the stock bin in stages, and avoids the condition that the instantaneous current of a stirring main machine is overlarge because all the materials are unloaded at a time, thereby avoiding the occurrence of a jamming fault, and improving the working stability and the working reliability of the stirring main machine.
A hydraulic control system (1), an outrigger device, and a control method. The hydraulic control system (1) comprises: an oil cylinder (13); a main reversing valve (11) and an auxiliary reversing valve (12), the first valve port (111) of the main reversing valve (11) being communicated with the second valve port (122) of the auxiliary reversing valve (12) by means of an auxiliary circuit, the second valve port (112) of the main reversing valve (11) being communicated with the rodless cavity of the oil cylinder (13) by means of a main circuit, the first valve port (121) of the auxiliary reversing valve (12) being communicated with the rod cavity of the oil cylinder (13), and the third valve port (123) of the auxiliary reversing valve (12) being connected to the main circuit by means of a differential pipeline; a hydraulic oil pump (3) communicated with the third valve port (113) of the main reversing valve (11); and a hydraulic oil tank (4) communicated with the hydraulic oil pump (3) and the fourth valve port (114) of the main reversing valve (11).
F15B 11/04 - Systèmes comportant essentiellement des moyens particuliers pour commander la vitesse ou la puissance d'un organe de sortie pour commander la vitesse
F15B 11/16 - Systèmes de servomoteurs dépourvus d'asservissement avec plusieurs servomoteurs
F15B 19/00 - Test des systèmes ou appareils de manœuvre utilisant la pression d'un fluide, dans la mesure où ils ne sont pas prévus ailleurs
F15B 20/00 - Dispositions propres à la sécurité pour systèmes de manœuvre utilisant les fluidesUtilisation des dispositifs de sécurité dans les systèmes de manœuvre utilisant des fluidesMesures d'urgence pour les systèmes de manœuvre utilisant des fluides
F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme
F16M 7/00 - Détails de fixation ou de réglage des bâtis, châssis ou pièces de supports des moteurs sur leurs fondations ou leur baseFixation des parties fixes des moteurs, p. ex. des blocs cylindres
B60S 9/12 - Dispositifs sur les véhicules, venant en contact avec le sol, pour supporter, soulever ou manœuvrer le véhicule, entièrement ou en partie, p. ex. crics incorporés pour uniquement soulever ou supporter par pression d'un fluide du type télescopique
92.
AUTOMATIC POSITIONING SYSTEM FOR VEHICLE LOADING AND ASPHALT STATION
An automatic positioning system for vehicle loading and an asphalt station. The automatic positioning system (100) for vehicle loading comprises: an discharge hopper (110), a discharge port (112) being provided at the bottom of the discharge hopper (110), and the discharge port (112) being used for discharging to a loading vehicle (200); support legs (120) disposed on the lower part of the discharge hopper (110) and configured to support the discharge hopper (110); a scanning device (130) disposed on the discharge hopper (110) or the support leg (120) and configured to scan the loading vehicle (200) to obtain dimensional parameter characteristics of the loading vehicle (200); a guiding device (140) disposed on the discharge hopper (110) or the support leg (120) and configured to provide a parking position reference for the loading vehicle (200) according to the dimensional parameter characteristics. The scanning device (130) scans whether the loading vehicle (200) enters the area below the discharge hopper (110), and obtains size parameter characteristics of the loading vehicle (200); the loading vehicle (200) can implement accurate parking positioning according to the parking position reference provided by the guiding device (140). The direct provision of the parking position reference ensures the accuracy and reliability of the loading position of the loading vehicle (200).
B65G 67/06 - Alimentation en objets ou matériaux à partir de réservoirs ou d'entonnoirs
B65G 69/00 - Mesures auxiliaires ou dispositifs utilisés en liaison avec le chargement ou le déchargement
E01C 19/02 - Machines, outillage ou dispositifs auxiliaires pour préparer ou répartir les matériaux de revêtement, pour travailler les matériaux mis en place, ou pour façonner, consolider ou finir le revêtement pour préparer les matériaux
93.
LEVELING CONTROL SYSTEM AND METHOD FOR WORKING BUCKET OF AERIAL LIFT TRUCK, AND AERIAL LIFT TRUCK
The present application provides a leveling control system and method for a working bucket of an aerial lift truck, and an aerial lift truck. The leveling control system comprises: an inclination measurement device, which measures the inclination of a working bucket and sends an inclination signal; a leveling mechanism, used for adjusting the inclination angle of the working bucket; a reversing valve, used for controlling the movement trend of the leveling mechanism; a leveling proportional valve, which is connected to a pressure oil source and the reversing valve; and a controller, which is electrically connected to the inclination measurement device, the reversing valve, and the leveling proportional valve, and sends a leveling signal to the leveling proportional valve and a switch signal to the reversing valve according to the inclination signal. According to the leveling control system provided by the present application, a proportional reversing valve used in the related art for leveling a working bucket is changed to a reversing valve and a leveling proportional valve, and a control signal sent to the proportional reversing valve is split into a switch signal sent to the reversing valve and a leveling signal sent to the leveling proportional valve, thereby bringing the effects of shortening the response time of the leveling control system, reducing lag of working bucket leveling, and improving the safety of an operator.
B66F 11/04 - Dispositifs de levage spécialement adaptés à des buts particuliers, non prévus ailleurs pour plates-formes ou cabines mobiles, p. ex. sur des véhicules, permettant à des ouvriers d'occuper toute position convenable pour exécuter les travaux demandés
B66F 13/00 - Caractéristiques de structure ou accessoires communs
F15B 11/22 - Synchronisation du mouvement de plusieurs servomoteurs
F15B 13/02 - Dispositifs de distribution ou d'alimentation du fluide caractérisés par leur adaptation à la commande de servomoteurs
94.
PULLEY ASSEMBLY, TELESCOPIC BOOM AND FIRE FIGHTING TRUCK
Disclosed are a pulley assembly, a telescopic boom and a fire fighting truck, the pulley assembly comprising: a pulley block frame body (10), a mounting base assembly (20) connected to the pulley block frame body (10), and a supporting shaft (30), wherein a first end of the supporting shaft (30) is connected to a mounting plate (64); a second end of the supporting shaft is connected to the mounting base assembly (20); the mounting base assembly (20) is hinged to the mounting plate (64) by means of the supporting shaft (30; the mounting base assembly (20) comprises a first limiting member (24); and the first limiting member (24) is used for limiting the mounting base assembly (20) from being separated from the supporting shaft (30). According to the pulley assembly, the risk of a fixing bolt being cut off is prevented, such that the pulley block frame body (10) and the mounting base assembly (20) can rotate around the supporting shaft (30) relative to an outer arm (60), and the pulley assembly is prevented from being damaged by a large impact force generated by sudden cutting off of the fixing bolt.
A62C 27/00 - Engins de lutte contre l'incendie montés sur roues ou véhicules terrestres de lutte contre l'incendie
B66F 11/04 - Dispositifs de levage spécialement adaptés à des buts particuliers, non prévus ailleurs pour plates-formes ou cabines mobiles, p. ex. sur des véhicules, permettant à des ouvriers d'occuper toute position convenable pour exécuter les travaux demandés
95.
SPRAYING PROTECTION METHOD FOR FIRE TRUCK, AND SPRAYING PROTECTION SYSTEM FOR FIRE TRUCK
ii11i212i32211. According to the spraying protection method for a fire truck provided by the present application, different spraying protection modes are used on the basis of different real-time temperatures of the device to be protected, thereby ensuring the reliability of protection of the device to be protected, and saving water resource and energy; the application of the spraying protection method to a spraying protection system for a fire truck solves, to a certain extent, the technical problem in the prior art that a spraying system cannot effectively adjust the spraying flow rate according to the fire situation.
An injection gun, a burner, and a control method. The injection gun (10) comprises: a mixing cavity (132) for mixing fuel and gas, wherein a nozzle (134) is provided at one end of the mixing cavity (132), and is for injecting the fuel; a fuel chamber (102) communicating with the mixing cavity (132); a gas chamber (104), having one end communicating with the mixing cavity (132); a cylinder cavity (106) communicating with the other end of the gas chamber (104); a piston (120) and a pushing pin (122) connected to each other, wherein the piston (120) is provided in the cylinder cavity (106), and drives the pushing pin (122) to move so as to cause the fuel chamber (102) and the mixing cavity (132) to communicate with or be isolated from each other. Part of gas entering the gas chamber (104) enters the mixing cavity (132) from one end of the gas chamber, and the rest enters the cylinder cavity (106) from the other end of the gas chamber (104) to push the piston (120) to drive the pushing pin (122) to open a channel between the fuel chamber (102) and the mixing cavity (132). The technical solution prevents fuel from condensing due to low temperature, increases a success rate of ignition, and allows for easy maintenance and service.
F23D 11/10 - Brûleurs à pulvérisation directe de gouttelettes de liquide ou de liquide vaporisé dans l'enceinte de combustion la pulvérisation étant réalisée par un milieu gazeux, p. ex. de la vapeur d'eau
F23D 11/38 - AjutagesDispositifs de nettoyage des ajutages
F23D 11/44 - Dispositifs de réchauffageDispositifs vaporisateurs
97.
CONTROL METHOD AND SYSTEM FOR FIREFIGHTING TRUCK, FIREFIGHTING TRUCK AND COMPUTER-READABLE STORAGE MEDIUM
Provided in the present application are a control method and system for a firefighting truck, a firefighting truck and a computer-readable storage medium, the firefighting truck comprising an arm rest and a fire monitor arranged on the arm rest. The control method for the firefighting truck comprises: acquiring the spraying angle of the fire monitor relative to the horizontal plane or the spraying flow of the fire monitor, and acquiring the allowable vertical acting force of the arm rest under a current posture; calculating the allowable spraying flow of the fire monitor according to the spraying angle and the allowable vertical acting force of the arm rest under the current posture, or calculating the allowable spraying angle of the fire monitor according to the spraying flow and the allowable vertical acting force of the arm rest under the current posture; controlling the spraying flow of the fire monitor to be no greater than the allowable spraying flow of the fire monitor; or controlling the spraying angle of the fire monitor relative to the horizontal plane to be no greater than the allowable spraying angle of the fire monitor. The control method for the firefighting truck provided in the present application improves the fire-extinguishing efficiency of the firefighting truck.
Provided in the present application are a control method and system for a fire monitor, a fire fighting truck, and a computer-readable storage medium. The fire monitor is arranged at a tail end of a boom. The control method for the fire monitor comprises: acquiring a first control parameter of the fire monitor; and controlling a second control parameter of the fire monitor according to the first control parameter and a lateral allowable stress of the boom, wherein one of the first control parameter and the second control parameter is a lateral swing angle of the fire monitor, and the other parameter is a jet flow of the fire monitor. According to the control method for the fire monitor provided in the present application, the swing angle of the fire monitor is not limited to a preset swing angle any more, a coverage range of the fire monitor is effectively widened, and the fire extinguishing efficiency of the fire fighting truck is thus improved.
A moisture content detection system (1) for a material, a moisture content detection method for a material, and a mixing station. The moisture content detection system (1) for a material comprises: a dispensing device (10) comprising multiple dispensing chambers; a material conveyance device used to convey a material in each of the dispensing chambers outward; an online moisture content detection device (40) disposed on a conveyance channel of the material conveyance device and used to detect the moisture content of the material passing through the conveyance channel. Int the moisture content detection system (1) for a material, the online moisture content detection device (40) is disposed above the conveyance channel of a material, such that the online moisture content detection device (40) is capable of detecting the moisture content of each dispensing chamber without contacting the material, and the online moisture content detection device (40) does not receive an impact from the material, thereby effectively increasing the service life of the online moisture content detection device (40). In addition, the invention requires only one set of the online moisture content detection device (40) to be provided, thereby significantly reducing a production cost for companies.
G01N 21/359 - CouleurPropriétés spectrales, c.-à-d. comparaison de l'effet du matériau sur la lumière pour plusieurs longueurs d'ondes ou plusieurs bandes de longueurs d'ondes différentes en recherchant l'effet relatif du matériau pour les longueurs d'ondes caractéristiques d'éléments ou de molécules spécifiques, p. ex. spectrométrie d'absorption atomique en utilisant la lumière infrarouge en utilisant la lumière de l'infrarouge proche
B28C 7/04 - Alimentation ou dosage des ingrédients
100.
LIQUID METERING DEVICE, METERING AND FEEDING SYSTEM AND MIXING STATION
A liquid metering device, a metering and feeding system and a mixing station. The liquid metering device comprises: a first metering hopper (102), a second metering hopper (104) and a first weighing sensor (106) for weighing the first metering hopper (102) and the second metering hopper (104) together. The second metering hopper (104) is in communication with the first metering hopper (102) by means of an overflow port provided at the upper part or the top of the second metering hopper; a first discharge pipe (108) is connected to a bottom outlet of the first metering hopper (102), and a first switch valve (110) is provided on the first discharge pipe (108); and a second discharge pipe (112) is connected to a bottom outlet of the second metering hopper (104), and a second switch valve (114) is provided on the second discharge pipe (112). The liquid metering device can dilute an admixture by means of water, and can deduct water individually, and the amount of admixture fed is not affected in the process of water deduction, thereby guaranteeing the accurate ratio of each raw material and guaranteeing the quality of a finally produced product.
brevets
