Abrégé

Provided is an off-road robot, including a front side portion, a rear side portion and a middle portion. The front side portion includes a front vehicle frame, a front wheel and a first driving system; the front wheels and the first driving system are disposed at the front vehicle frame; and the first driving system drives the front wheels. The rear side portion includes a rear vehicle frame, a rear wheel and a second driving system; the rear wheel and the second driving system are disposed at the rear vehicle frame; and the second driving system drives the rear wheels. The middle portion includes a first frame and a second frame; the first frame and the second frame are detachably connected; the front vehicle frame is connected with the first frame; and the rear vehicle frame is connected with the second frame.

Classes IPC  ?

• B62D 63/02 - Véhicules à moteurs
• B62D 25/08 - Parties avant ou arrière
• B62D 5/04 - Direction assistée ou à relais de puissance électrique, p. ex. au moyen d'un servomoteur relié au boîtier de direction ou faisant partie de celui-ci
• B62D 3/02 - Boîtiers de direction mécaniques
• B62D 21/11 - Châssis, c.-à-d. armature sur laquelle une carrosserie peut être montée avec des moyens élastiques pour la suspension
• B60K 1/02 - Agencement ou montage des ensembles de propulsion électriques comprenant plus d'un moteur électrique
• B60G 7/00 - Bras de suspension articulésLeurs accessoires

Abrégé

A method for restoring video data of a pipe based on computer vision is provided. The method includes: performing gray stretching on pipe image/video collected by a pipe robot; processing noise interference by smoothing filtering; extracting an iron chain from the center of a video image as a template for location; performing target recognition on the center of video data by an SIFT corner detection algorithm; detecting ropes on left and right sides of a target by Hough transform; performing gray covering on the iron chain at the center of the video image and the ropes on two sides; and restoring data by an FMM image restoration algorithm.

Classes IPC  ?

• G06T 7/44 - Analyse de la texture basée sur la description statistique de texture utilisant des opérateurs de l'image, p. ex. des filtres, des mesures de densité des bords ou des histogrammes locaux
• G06T 7/13 - Détection de bords
• G06V 10/48 - Extraction de caractéristiques d’images ou de vidéos en cartographiant les valeurs caractéristiques du motif en espace paramétrique, p. ex. transformation de Hough
• G06V 10/36 - Utilisation d’un opérateur local, c.-à-d. des moyens pour opérer sur des points d’image situés dans la proximité d’un point donnéOpérations de filtrage locales non linéaires, p. ex. filtrage médian
• F16L 55/26 - Hérissons ou chariots, c.-à-d. dispositifs pouvant se déplacer dans un tuyau ou dans une conduite et portant ou non un moyen de propulsion autonome
• G06T 3/40 - Changement d'échelle d’images complètes ou de parties d’image, p. ex. agrandissement ou rétrécissement
• G06T 3/60 - Rotation d’images entières ou de parties d'image
• G06T 5/40 - Amélioration ou restauration d'image utilisant des techniques d'histogrammes
• G06T 5/00 - Amélioration ou restauration d'image
• G06T 7/62 - Analyse des attributs géométriques de la superficie, du périmètre, du diamètre ou du volume
• G06T 7/70 - Détermination de la position ou de l'orientation des objets ou des caméras
• G06V 10/46 - Descripteurs pour la forme, descripteurs liés au contour ou aux points, p. ex. transformation de caractéristiques visuelles invariante à l’échelle [SIFT] ou sacs de mots [BoW]Caractéristiques régionales saillantes
• G06V 10/44 - Extraction de caractéristiques locales par analyse des parties du motif, p. ex. par détection d’arêtes, de contours, de boucles, d’angles, de barres ou d’intersectionsAnalyse de connectivité, p. ex. de composantes connectées
• G06T 5/20 - Amélioration ou restauration d'image utilisant des opérateurs locaux
• G06T 7/00 - Analyse d'image
• G06F 18/10 - PrétraitementNettoyage de données
• F16L 101/30 - Vérification, mesure ou test

Abrégé

The present disclosure provides a small-scale geological anomalous body detection method and device, and relates to the field of small-scale geological anomalous body detection. The method comprises: acquiring diffracted wave shot-gather data collected in a to-be-processed area and determining target single shot data having a distance to the center point, which is a predetermined distance; calculating a first horizontal distance between each shot point in the target single shot data and the center point and calculating a second horizontal distance between the detection point corresponding to each shot point and the center point; constructing a common-diffraction-point gather based on the first horizontal distances and the second horizontal distances; and processing the common-diffraction-point gather by using a correction algorithm of diffracted wave events to obtain a diffracted wave imaging profile.

Classes IPC  ?

• G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie
• G01V 1/34 - Représentation des enregistrements sismiques

Abrégé

The present disclosure provides a diffracted wave imaging method, device and electronic apparatus. The method comprises: acquiring pre-stack seismic wave field data of a to-be-processed area; extracting target data of a target imaging point; fitting target time sample points in the target data based on the Gaussian model and solving the fitting function to determine a distribution range of the stationary point position signal of the reflected wave in the target data; determining migration imaging data of the target imaging point based on the target data and the distribution range; and determining a diffracted wave imaging result of the to-be-processed area based on the migration imaging data of all the imaging points in the to-be-processed area.

Classes IPC  ?

• G01V 1/34 - Représentation des enregistrements sismiques
• G01V 1/30 - Analyse

Abrégé

The embodiment of the present invention discloses an underwater explosion pressure test experiment system and method. The invention including: container and drug pack are used to simulate underwater explosion scenes. Projector projects scattered speckles on the water surface. Two high-speed cameras collect images of the first water surface fluctuation. The strain at a certain point in the first water surface is calculated according to the scattered speckles. The K value of the corresponding explosive is calculated from the elastic modulus of the strain and water, and based on the calculated K value, the curve of the explosion pressure at different points in the water with the distance from the explosion source is calculated according to the formula, and the explosion pressure at any point in the water is determined according to the curve. The invention is suitable for use in an underwater explosion pressure measurement experiment.

Classes IPC  ?

• G01L 5/14 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la force des explosionsAppareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de l'énergie des projectiles
• G06T 1/00 - Traitement de données d'image, d'application générale
• G06T 7/246 - Analyse du mouvement utilisant des procédés basés sur les caractéristiques, p. ex. le suivi des coins ou des segments
• G06T 7/292 - Suivi à plusieurs caméras

Abrégé

A hoisting apparatus for a mine vertical shaft, a hoisting system for a mine vertical shaft and a controlling method thereof are provided. The hoisting apparatus includes a driving device provided at a wellhead and a guiding device provided in a vertical shaft. A position of the guiding device corresponds to a position of the driving device and a transmission rope is wound around the driving device and the guiding device. Moreover, the driving device is drivingly connected to the guiding device via the transmission rope; and a tension regulating device is provided in the vertical shaft. The guiding device is movably provided at the tension regulating device that is for regulating a distance between the driving device and the guiding device. The tension regulating device controls a tension of the transmission rope by regulating the distance between the driving device and the guiding device.

Classes IPC  ?

• B66B 7/10 - Aménagements des câbles ou filins pour égalisation de la tension des câbles ou des filins
• B66B 15/06 - Tambours
• B66B 15/08 - Mécanismes d'entraînement
• B66B 17/12 - Contrepoids
• B66B 17/04 - Cabines de puits de mine

Abrégé

A square-profile laser marking method and device based on optical reflection and refraction. The device comprises three functional modules, namely a point-line laser conversion module (1), a line laser collimation module (2), and a line laser amplification module (3). Point-shaped laser is separately converted into divergent line laser, collimated line laser and amplified line laser. Finally, the function of adjusting point-shaped laser to a square laser pattern is achieved. The shortcomings of numerous devices and difficulty in identification during multipoint laser emission are overcome, and the shortcomings of high cost and difficulty in processing when implementing square-profile laser marking by using existing grating technologies are also overcome. Conversion from point laser to a square laser pattern is achieved at low cost by means of a simpler principle.

Classes IPC  ?

• G01C 15/00 - Instruments de géodésie ou accessoires non prévus dans les groupes

Abrégé

A bionic robot is provided, which includes a body; a plurality of sets of wheeled leg devices arranged at intervals in a front-rear direction, each comprising two wheeled leg devices arranged symmetrically in a left-right direction, each comprising a leg assembly and a travel wheel, and a power output shaft connected to the travel wheel; and a suspension device disposed in the body and connected to at least two sets from the plurality of sets of wheeled leg devices. The at least two sets of wheeled leg devices are located at the foremost end and the backmost end respectively. The suspension device comprises a plurality of drive assemblies, each connected to a corresponding leg assembly, which each comprise: an electric cylinder being configured to drive a telescopic rod to extend or retract; a damper connected between the body and the leg assembly; and an elastic member fitted over the damper.

Classes IPC  ?

• B62D 57/028 - Véhicules caractérisés par des moyens de propulsion ou de prise avec le sol autres que les roues ou les chenilles, seuls ou en complément aux roues ou aux chenilles avec moyens de propulsion en prise avec le sol, p. ex. par jambes mécaniques ayant des roues et des jambes mécaniques
• B25J 9/10 - Manipulateurs à commande programmée caractérisés par des moyens pour régler la position des éléments manipulateurs
• B25J 9/12 - Manipulateurs à commande programmée caractérisés par des moyens pour régler la position des éléments manipulateurs électriques
• B25J 9/16 - Commandes à programme
• B25J 13/00 - Commandes pour manipulateurs
• B25J 13/08 - Commandes pour manipulateurs au moyens de dispositifs sensibles, p. ex. à la vue ou au toucher
• B25J 19/00 - Accessoires adaptés aux manipulateurs, p. ex. pour contrôler, pour observerDispositifs de sécurité combinés avec les manipulateurs ou spécialement conçus pour être utilisés en association avec ces manipulateurs

Abrégé

The present invention proposes a method for rapidly dehazing an underground pipeline image based on dark channel prior (DCP). The method includes: preprocessing a hazy underground pipeline image to obtain a dark channel image corresponding to the hazy image; average-filtering the obtained dark channel image to estimate an image transmittance; compensating an offset value for an average filtering result to obtain a rough estimate of the transmittance; using a pixel value of the original image and an average-filtered image to estimate a global atmospheric light value; and using a physical restoration model to restore a dehazed image. The method of the present invention realizes the timeliness of the algorithm while ensuring the dehazing effect, and is suitable for scientific fields such as video monitoring of underground pipeline environment and identification of underground pipeline defects.

Classes IPC  ?

• G06T 5/00 - Amélioration ou restauration d'image
• G06T 5/20 - Amélioration ou restauration d'image utilisant des opérateurs locaux

Abrégé

An underwater explosion pressure test experiment system and method. The underwater explosion pressure test experiment system comprises a container, an explosive material bag, a controller, protective glass, two high-speed cameras, a projector, a computer, an image analysis module and an explosion pressure calculation module; the container and the explosive material bag are used to simulate an underwater explosion scenario, the projector projects speckles on the water surface, the two high-speed cameras acquire images of fluctuation of a first water surface, the strain at a certain point on the first water surface is calculated using the speckles, a dimensionless parameter K value of the corresponding explosive material is calculated according to the strain and the elastic modulus of water, a change curve of underwater explosion pressures at different positions as a function of the distance from the explosion source is obtained by means of calculation according to a formula on the basis of the calculated K value, and the underwater explosion pressure at any point is determined according to the change curve. The underwater explosion pressure test experiment system is suitable for the measurement of an underwater explosion pressure.

Classes IPC  ?

• G01L 5/14 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la force des explosionsAppareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de l'énergie des projectiles

Abrégé

121122. By means of the method, it can be ensured that a coupling relationship is created between the ground stresses and the elliptical wellbore, thereby ensuring that the elliptical wellbore can effectively overcome the ground stresses during use.

Classes IPC  ?

• E21B 17/01 - Colonnes montantes pour têtes de puits immergées

Abrégé

Disclosed are a mine vertical shaft lifting apparatus, a mine vertical shaft lifting system and a control method therefor. The mine vertical shaft lifting apparatus comprises: a driving device (10) arranged at a shaft opening; a guiding device (20) arranged inside a vertical shaft, wherein the guiding device (20) corresponds to the driving device (10) in terms of position; a transmission rope (30) arranged around the driving device (10) and the guiding device (20), wherein the driving device (10) is in driving connection with the guiding device (20) via the transmission rope (30); and a tensioning force adjustment device arranged in the vertical shaft, wherein the guiding device (20) is movably arranged on the tensioning force adjustment device, the tensioning force adjustment device is used for adjusting the distance between the driving device (10) and the guiding device (20), and the tensioning force adjustment device adjusts the distance between the driving device (10) and the guiding device (20) to control the tensioning force of the transmission rope (30). By means of the apparatus, the tensioning force fluctuation generated in the operation process of the lifting system is reduced, and the safety of the lifting system is improved.

Classes IPC  ?

• B66B 17/00 - Appareillage des puits de mine

Abrégé

A cascade pumped storage power station, comprising: a high-level water storage area, a middle-level water storage area (19), and a lower-level water storage area (20); water conveying channels (15) being in communication with the high-level water storage area and the middle-level water storage area (19) and in communication with the middle-level water storage area (19) and the lower-level water storage area (20); and two-way generator units provided between the high-level water storage area and the middle-level water storage area (19) and provided between the middle-level water storage area (19) and the lower-level water storage area (20), pumped storage or power generation being performed by utilizing the two-way generator units by means of the water conveying channels (15). According to a forming method of the cascade pumped storage power station, an underground water storage area is constructed by selecting an abandoned mine roadway, and at least the middle-level water storage area and the lower-level water storage area having a height difference are used as underground water storage areas.

Classes IPC  ?

• E02B 9/00 - Installations hydrauliquesTracé, construction, équipement, procédés ou appareils pour leur réalisation

Abrégé

A semi-underground pumped-storage hydroelectric power station employing an open-pit mine, and a method for constructing the same. The power station comprises a high-level water storage region and a low-level water storage region (20), a water delivery channel (15), and a bidirectional generator. The water delivery channel (15) communicates with the high-level water storage region and the low-level water storage region (20) and is disposed therebetween. The bidirectional generator is disposed between the high-level water storage region and the low-level water storage region (20), and is configured to generate pumped-storage hydroelectric power or electricity using water from the water delivery channel (15). The present method for constructing a semi-underground pumped-storage hydroelectric power station utilizes both the aboveground space and underground space of an abandoned mine, such that an open pit of the abandoned mine serves as a high-level water storage region, and tunnels of the abandoned mine serve as an underground water storage region.

Classes IPC  ?

• E02B 9/00 - Installations hydrauliquesTracé, construction, équipement, procédés ou appareils pour leur réalisation

Abrégé

A subsidence-area-based semi-underground pumped storage power station, comprising: a high-level water storage area and a low-level water storage area (20), a water delivery channel (15), and a two-way generator set. The water delivery channel (15) is communicated between the high-level water storage area and the low-level water storage area (20). The two-way generator set is provided between the high-level water storage area and the low-level water storage area (20). The two-way generator set is utilized for pumped storage or power generation by means of the water delivery channel (15). The high-level water storage area is a ground subsidence area (18) of an abandoned mine. The low-level water storage area (20) is an underground water storage area. The underground water storage area is located in an underground space of the abandoned mine. Also comprised is a forming method for the subsidence-area-based semi-underground pumped storage power station.

Classes IPC  ?

• E02B 9/00 - Installations hydrauliquesTracé, construction, équipement, procédés ou appareils pour leur réalisation
• E02B 9/02 - Canalisations d'eau

Abrégé

A full-underground pumped-storage power plant, comprising: a high-level water storage area (19) and a low-level water storage area (20); a water conveying channel (15) that communicates between the high-level water storage area (19) and the low-level water storage area (20); a two-way generator set that is provided between the high-level water storage area (19) and the low-level water storage area (20) and that is used to pump water for energy storage or power generation by means of the water conveying channel (15). By means of a formation method for the full-underground pumped-storage power plant, the high-level water storage area (19) and the low-level water storage area (20) are underground water storage areas, and the underground water storage areas are located in an underground space of an abandoned mine.

Classes IPC  ?

• E02B 9/00 - Installations hydrauliquesTracé, construction, équipement, procédés ou appareils pour leur réalisation

Abrégé

An apparatus for a stress freezing experiment during a fracturing process. Temperature increasing and temperature decreasing processing under the control of a corresponding temperature are performed on a test piece (109) by means of a temperature control system, according to a photosensitive curve and in accordance with a pre-set temperature gradient, so as to realize the stress freezing of the test piece (109); a corresponding pressure is applied to the test piece (109) by means of a true triaxial servo loading system; and a corresponding fracturing experiment is then performed on the test piece (109) by means of a fracturing liquid pumping system (117), arranged in a thermostat (101), of an output end. Since the test piece (109) is a transparent photosensitive model obtained through printing with a 3D printer, intuitive observation and transparent display of a global stress field evolution law upon a complex seam mesh crack initiation and extension during a fracturing process can be realized by combining the stress loading of a true triaxial servo loading system, a stress freezing experiment performed under the precise temperature control of a temperature control system and a fracturing experiment of a fracturing liquid pumping system (117).

Classes IPC  ?

• G01N 3/12 - Test de pression

Abrégé

A detection method and device for ground-penetrating radar discontinuum, comprising: obtaining ground-penetrating radar signals of a preset underground space, the ground-penetrating radar signals carrying discontinuous information of electrical parameters of the underground space; determining, by a target scanning algorithm, a target inclination angle of the ground-penetrating radar signals with respect to each of multiple channels to be scanned in multiple preset inclination angles; separating the ground-penetrating radar signals according to the target inclination angle to obtain a scattered wave; performing speed continuation analysis on the scattered wave to obtain a focusing speed of the scattered wave; and imaging the scattered wave according to the scattered wave and the focusing speed to obtain an imaging result, the imaging result being used for determining distribution information of discontinuum in the preset underground space.

Classes IPC  ?

• 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
• G01S 13/88 - Radar ou systèmes analogues, spécialement adaptés pour des applications spécifiques

Abrégé

A wheel (100) and a vehicle (1000) having the same. The wheel (100) comprises a wheel frame (1) and three Mecanum wheels (2). The wheel frame (1) can be rotated about a wheel frame rotation axle (L1), and comprises three sub-frames (11). The three sub-frames (11) are separated from one another and disposed at a circumference of the wheel. The three Mecanum wheels (2) are respectively rotatably disposed at the three sub-frames (11) and correspondingly rotate about respective rotation axles (L2). The rotation axles (L2) of the three Mecanum wheels (2) are projected onto a plane perpendicular to the wheel frame rotation axle (L1) to form three vertex points of isosceles triangles, and the wheel frame rotation axle (L1) is projected onto the plane to form the center of the isosceles triangles.

Classes IPC  ?

• B62B 5/02 - Accessoires ou détails spécialement adaptés aux voitures à bras permettant de monter ou de descendre une volée d'escalier
• B62D 57/024 - Véhicules caractérisés par des moyens de propulsion ou de prise avec le sol autres que les roues ou les chenilles, seuls ou en complément aux roues ou aux chenilles avec moyens de propulsion en prise avec le sol, p. ex. par jambes mécaniques spécialement adaptés pour se déplacer sur des surfaces inclinées ou verticales

Abrégé

A coal collapse column identification method and apparatus, comprising: acquiring seismic shot gather data in a target region and a seismic wave migration velocity file (S101); calculating a diffraction wave travel time of each piece of single shot data at different imaging points according to the data (S102); performing Mahalanobis distance calculation processing on each single shot data and the diffraction wave travel time thereof to acquire a diffraction wave amplitude value sample point of each piece of single shot data (S103); performing imaging processing respectively on a diffraction wave of each piece of single shot data (S104); and superposing imaging processing results of all the single shot data corresponding to the seismic shot gather data to obtain a diffraction wave imaging result of the seismic shot gather data so as to facilitate coal collapse column identification according to the diffraction wave imaging result (S105). According to the invention, a diffraction wave corresponding to seismic shot gather data is extracted through a Mahalanobis distance. Since the diffraction wave carries geological information with a smaller dimension, the imaged diffraction wave can accurately identify a collapse column geologic body, thereby reducing the risk of accidents such as a water burst and gas leakage caused by a collapse column in coal exploitation.

Classes IPC  ?

• G01V 1/28 - Traitement des données sismiques, p. ex. pour l’interprétation ou pour la détection d’événements

Abrégé

A surface consistent amplitude compensation method and device in a common attitude gather, the method comprising: acquiring seismic data and a corresponding operation log in an exploration work area; calculating an average total energy of all components of each channel of the seismic data to serve as a seismic channel energy of the channel; performing a surface consistent preliminary test on the obtained energy of each seismic channel, and determining a seismic channel energy satisfying a first preset condition to be a representative data body; calculating each compensation factor corresponding to the seismic channel energy in the representative data body, and calculating a compensation factor for a detector in a common attitude gather; performing surface consistent amplitude compensation on the seismic data for the entire work area according to a total compensation factor consisting of the abovementioned two factors; and calculating the three seismic data components together, thus obtaining an energy distribution trigonometric function relationship among the three data components, taking into account a placement attitude of the detector, calculating the compensation factor for the detector in the common attitude gather, and thereby enabling a calculation result to be more accurate.

Classes IPC  ?

• G01V 1/36 - Exécution de corrections statiques ou dynamiques sur des enregistrements, p. ex. correction de l'étalementÉtablissement d'une corrélation entre signaux sismiquesÉlimination des effets produits par un excès d'énergie

Abrégé

A common-posture gather azimuthal angle analysis and correction method and device, the method comprising: identifying a posture of a detector in a common-detection-point gather, and extracting seismic data having the same posture therefrom to form a common-posture gather (102); performing azimuthal angle deviation value analysis on each common-posture gather and acquiring an azimuthal angle deviation value of the detector in a corresponding posture therefrom (103); performing azimuthal angle correction on three-component seismic data corresponding to the detector according to the azimuthal angle deviation value of the detector of each common-posture gather (104); and performing dip angle correction on the three-component seismic data subjected to the azimuthal angle correction according to a dip angle provided by a seismic acquisition system so as to obtain final three-component seismic data (105). Common-posture gathers are proposed, and azimuthal angle analysis and correction are carried out on different common-posture gathers independently; meanwhile, a theoretical error of dip angle correction and azimuthal angle correction corresponding to a matrix operation is overcome; therefore, by means of the method, high-fidelity transverse-wave seismic data and longitudinal-wave seismic data can be obtained.

Classes IPC  ?

• G01V 1/28 - Traitement des données sismiques, p. ex. pour l’interprétation ou pour la détection d’événements

Abrégé

A bidirectional variable cross-section water-pressure bearer cycle test system for a coal mine water inrush model test, comprising a water-pressure loading portion and a water-pressure bearer portion, wherein the water-pressure loading portion is composed of a water supply tank, a loading water pump, a water piezometer, a water control valve, a water inlet pipe, a water discharge pipe, etc. in the prior art, and controls the size of a loaded water pressure, so as to achieve the cyclic loading of the water pressure; and the water-pressure bearer portion is composed of a variable cross-section water-pressure bearer assembly and a variable water-level water-pressure bearer assembly, and is set to be formed in an airtight main frame. The variable cross-section water-pressure bearer assembly is composed of a variable cross-section water storage tank, a variable cross-section water baffle and a variable cross-section porous plate, and the variable water-level water-pressure bearer assembly is composed of a variable water-level water storage tank, a variable water-level water baffle and a variable water-level porous plate. According to test requirements, the separate position of the variable cross-section water baffle is designed, and the baffling position of the variable water-level water baffle is determined, so as to achieve the bidirectional variable cross-section water-pressure bearer cycle.

Classes IPC  ?

• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• G01N 33/00 - Recherche ou analyse des matériaux par des méthodes spécifiques non couvertes par les groupes

Abrégé

A simulated impact-type rock burst experiment apparatus includes a bracket, a specimen box assembly, an X-direction, Y-direction and Z-direction loading mechanisms mounted on the bracket, and control systems. Each loading mechanism includes four supporting posts in a rectangular arrangement, a first and second frames aligned with each other and fixedly connected to both ends of the four supporting posts, a loading hydraulic cylinder and a lead screw mounted on the two frames respectively.

Classes IPC  ?

• G01N 3/24 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant des efforts permanents de cisaillement
• G01N 3/313 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève engendrée par des explosifs
• G01N 3/08 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression

Abrégé

Disclosed is a method for distributed storage and use of mine groundwater. The method comprises the following steps: A. prospecting an area of an underground space to be mined, and acquiring data on the bedrock geology of the strata; B. observing the mine groundwater, and acquiring the conditions of the flow distribution, water quality data and water pressure data for the mine groundwater; C. designating one or more goaf spaces through which mine groundwater cannot permeate as a water storage space of a distributed underground reservoir according to the data on the bedrock geology of the strata acquired in step A and the conditions of the flow distribution, water quality data and water pressure data for the mine groundwater acquired in step B; and D. after the designated water storage space is formed, mine groundwater generated when mining a mining face adjacent thereto naturally seeps into the water storage space. The method can reduce mine groundwater run-off and the effect on the growth and recovery of the ecological environment.

Classes IPC  ?

• B65G 5/00 - Emmagasinage des fluides dans des excavations ou cavités naturelles ou artificielles souterraines
• E21C 41/16 - Procédés d'exploitation minière souterraineTracés à cet effet
• E21F 16/00 - Drainage
• E21F 17/16 - Modification des passages ou chambres des mines pour le stockage, spécialement de liquides ou de gaz

Abrégé

A dynamics performance testing system, for use in testing the dynamics performance of an anchor rod or an anchor rode, comprising a main machine and a measurement and control system. The main machine comprises a vertical machine frame (1), a clamping apparatus (3) arranged on the top of the vertical machine frame (1) and used for vertically clamping the top end of a sample (6), where the sample (6) is provided at the bottom end thereof with a tray (61), a drop-hammering apparatus (2) used for being dropped vertically from the vertical machine frame (1) at a set height to impact the tray (61), a lifting apparatus used for lifting the drop-hammering apparatus at the bottom of the vertical machine frame (1) to the set height, and a protection apparatus used for physical protection and isolation to reduce bodily injury and noise. The measurement and control system controls the drop-hammering apparatus to select a parameter for drop-hammering and a process of lifting and dropping. The real-time impact on the tray (61) when the drop-hammering apparatus is dropped vertically is sensed by a force sensor, while real-time impact data received from a sensor device is analyzed, and a test result is outputted. The dynamics performance testing system is provided with versatility while the test result is accurate and reliable.

Classes IPC  ?

• G01N 3/303 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève engendrée uniquement par un poids en chute libre
• G01M 7/08 - Test de résistance au choc
• G01L 1/16 - Mesure des forces ou des contraintes, en général en utilisant les propriétés des dispositifs piézo-électriques
• G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques

Abrégé

An experimental method for simulating an impact rock-burst, comprises the following steps: making a rock sample having a through hole or a half hole; loading initial static stresses of three directions onto the rock sample; then loading dynamic load(s) by 0.5-10 minutes, to determine whether a spalling phenomenon appears on an internal surface of the hole; if appears, and the rock sample is further damaged, determining and recording a failure course, if not appears, increasing the static stress(es) or the intensity of the dynamic load, then repeating the experiment procedure as far as the rock sample goes into the failure course, then determining and recording the failure course, and ending the expierment. The impact rockburst induced by dynamic load is simulated in the rock sample successfully, and by sudying mechanical mechanisms of the rock-burst, the present application lays foundations for gradually understanding and mastering the nature of real rock burst.

Classes IPC  ?

• G01N 3/00 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique
• G01N 3/02 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique Parties constitutives
• G01N 3/313 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève engendrée par des explosifs
• G01N 3/06 - Adaptations particulières des moyens d'indication ou d'enregistrement
• G01N 3/30 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève
• G01N 24/08 - Recherche ou analyse des matériaux par l'utilisation de la résonance magnétique nucléaire, de la résonance paramagnétique électronique ou d'autres effets de spin en utilisant la résonance magnétique nucléaire

Abrégé

A large deformation tensile testing system, for use in testing a large deformation tensile of an anchor rod or an anchor rode, comprising a main machine frame (1), a rear collet component (2) arranged at a first position on the longitudinal direction of the main machine frame (1), a front collet component (3) movably arranged at a second position on the longitudinal direction of the main machine frame (1), a telescoping apparatus (4), a measurement and control apparatus, where a sensor module thereof senses the displacement and real-time tensile of the telescoping apparatus to form real-time data to be transmitted to an analysis module and a control module, the control module that controls, on the basis of a set measurement and control scheme and of an input of the sensor module, a testing process to proceed according to a set testing condition, the analysis module for analyzing the input of the sensor module to form a test result, and an output module for outputting same. The large deformation tensile testing system is capable of deriving a statics parameter of the anchor rod or anchor rode being tested.

Classes IPC  ?

• G01N 3/08 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression
• G01L 5/08 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la tension dans les éléments flexibles, p. ex. dans les cordages, les câbles, les fils métalliques, les filaments, les courroies ou les bandes en utilisant des moyens hydrauliques
• G01N 3/10 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression engendrés par pression pneumatique ou hydraulique
• G01M 5/00 - Examen de l'élasticité des structures ou ouvrages, p. ex. fléchissement de ponts ou d'ailes d'avions

Abrégé

A tension meter of an anchor rod with constant resistance and large deformation comprises a pull rod and a hollow jack. The meter further includes: a rotation device for controlling the rotation angle of the hollow jack; a lifter for adjusting the height of the hollow jack and the rotation device; a first hydraulic pump for driving the hollow jack, wherein the hollow jack is fixed on the rotation device mounted on the lifter. The meter has a large measurement range and a high load capacity.

Classes IPC  ?

• G01M 5/00 - Examen de l'élasticité des structures ou ouvrages, p. ex. fléchissement de ponts ou d'ailes d'avions
• E21D 21/02 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits ayant des moyens pour indiquer la tension
• G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques

Abrégé

A method for evaluating water inrush weakness of a coal seam floor comprises the following steps: collecting geological data of a to-be-evaluated target area to determine main control factors; quantizing the related data for the main control factors, to form a thematic map for each main control factor; uniformizing the property data corresponding to the thematic maps, and eliminating the impact of the dimension factor of the property data, to form a uniformized thematic map corresponding to each main control factor; establishing, by using the GIS, a database for storing the uniformized property data corresponding to the uniformized thematic maps; determining weight of each main control factor based on a constant weight module; determining variable weight of the main control factors based on separated variable weight modules; compositing and superposing the uniformized thematic maps corresponding to each single main control factor, to establish a topology relationship between the related data in the property database, for fitting analysis of the multiple factors; and establishing a weakness evaluation module based on the separated variable weight modules to evaluate the weakness of the coal seam floor. The data processing and evaluation process combining the separated variable weight modules and the constant weight module achieves high evaluation precision.

Classes IPC  ?

• G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)

Abrégé

A calculating method for the diameter-to-thickness ratio of a lamellar material for a filler, which comprises: water washing a sample, placing same in an electric conduction solution, adjusting the pH value of the electric conduction solution, dispersing the sample in the electric conduction solution uniformly in a physical and ultrasonic manner, using a resistance method to place a micropore pipe in the electric conduction solution, placing an electrode respectively in the electric conduction solution inside and outside the micropore pipe, and applying a preset voltage on both ends of the electrode; according to a voltage pulse signal between the electrodes, calculating to obtain the diameter-to-thickness ratio of a lamellar of the sample; according to a resistance method instrument, measuring the volume V of the sample; making the volume of the sample equivalent to a pie shape, and according to the pulse width W of the voltage pulse signal, obtaining the length d of the sample; and according to the volume V of the sample and the length d of the sample, calculating to obtain the diameter-to-thickness ratio of the lamellar of the obtained sample of πd3/4V. The calculating method has a simpler and more convenient working manner and has the characteristics of convenient operation, low costs, good repeatability, high accuracy, strong general applicability and easy popularization.

Classes IPC  ?

• G01N 15/02 - Recherche de la dimension ou de la distribution des dimensions des particules

Abrégé

A constant-resistance and large deformation anchor cable and a constant-resistance device are provided. The constant-resistance and large deformation anchor cable comprises cables (7), an anchoring device (13), a loading plate (12) and clipping sheets (4). The upper end of cables (7) is fixed on the anchoring device (13) and the loading plate (12) by clipping sheets (4). The constant-resistance and large deformation anchor cable also comprises a constant-resistance device, and the constant-resistance device comprises a sleeve (8) and a constant-resistance body (5). The sleeve (8) is a straight tube. The constant-resistance body is conical, and the diameter of the lower end of the constant-resistance body is bigger than the diameter of the upper end of the constant-resistance body. The inner diameter of the sleeve (8) is smaller than the diameter of the lower end of the constant-resistance body. A cuneiform part is arranged on inner wall of the lower end of the sleeve (8), and the constant-resistance body (5) is arranged on the cuneiform part. The strength of constant-resistance body (5) is higher than the strength of the sleeve (8), thus the sleeve (8) generates plastic deforming and the shape of the constant-resistance body (5) is not changed, when the constant-resistance body (5) moves in the sleeve (8). The lower end of the cables (7) is fixed on the constant-resistance body (5). The constant-resistance and large deformation anchor cable and the constant-resistance device have the properties of constant-resistance and preventing fracture, and can detect and early warn the all process of the activity of the landslides and the causative fault.

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits
• E21D 20/02 - Mise en place des boulons d'ancrage avec dispositions pour le scellement
• E02D 5/80 - Ancres de fondation
• E21D 21/02 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits ayant des moyens pour indiquer la tension

Abrégé

Disclosed is a method for distributed storage and use of underground water in a mine. The method comprises the following steps: A. inspecting an area of underground space to be mined, and acquiring data on the bedrock geology of the strata; B. surveying the underground water of the mine, and acquiring the conditions of the flow distribution, water quality data and water pressure data for the underground water; C. designating one or more goaf spaces through which underground water cannot permeate as a water storage space of a distributed underground reservoir according to the data on the bedrock geology of the strata acquired in step A and the conditions of the flow distribution, water quality data and water pressure data for the underground water acquired in step B; and D. after the designated water storage space is formed, underground water generated when mining a working face adjacent thereto naturally seeping into the water storage space. The method can reduce underground water run-off and the effect on the growth and recovery of the ecological environment.

Classes IPC  ?

• E21F 16/00 - Drainage
• E21F 17/16 - Modification des passages ou chambres des mines pour le stockage, spécialement de liquides ou de gaz
• E21C 41/16 - Procédés d'exploitation minière souterraineTracés à cet effet

Abrégé

A dynamics performance testing system, for use in testing the dynamics performance of an anchor rod or an anchor rode, comprising a main machine and a measurement and control system. The main machine comprises a vertical machine frame (1), a clamping apparatus (3) arranged on the top of the vertical machine frame (1) and used for vertically clamping the top end of a sample (6), where the sample (6) is provided at the bottom end thereof with a tray (61), a drop-hammering apparatus (2) used for being dropped vertically from the vertical machine frame (1) at a set height to impact the tray (61), a lifting apparatus used for lifting the drop-hammering apparatus at the bottom of the vertical machine frame (1) to the set height, and a protection apparatus used for physical protection and isolation to reduce bodily injury and noise. The measurement and control system controls the drop-hammering apparatus to select a parameter for drop-hammering and a process of lifting and dropping. The real-time impact on the tray (61) when the drop-hammering apparatus is dropped vertically is sensed by a force sensor, while real-time impact data received from a sensor device is analyzed, and a test result is outputted. The dynamics performance testing system is provided with versatility while the test result is accurate and reliable.

Classes IPC  ?

• G01N 3/303 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève engendrée uniquement par un poids en chute libre
• G01N 3/30 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève
• G01M 7/08 - Test de résistance au choc

Abrégé

An experiment method for a simulated impact-type rock burst, comprising the following steps: manufacturing a rock sample piece having a through hole or a half-formed hole; loading a three-way initial static load stress onto the rock sample piece; loading a disturbance load onto the rock sample piece for 0.5 to 10 minutes, observing whether or not a spalling phenomenon is found on the inner surface of the through hole or of the half-formed hole of the rock sample piece; if further destruction is found by observing whether or not the spalling phenomenon is found on the inner surface of the hole, then observing and recording the destruction process; if not, then increasing the value of the static load stress loaded onto the rock sample piece, or increasing the strength of the disturbance load and proceeding to repeat the experiment process until the rock sample piece enters the destruction process, observing and recording the destruction process, thus ending the impact rock burst experiment. Under the effect of the disturbance load, the experiment method successfully induces the occurrence of a rock burst phenomenon of the rock sample piece, and, by researching the mechanisms of the rock burst phenomenon of the rock sample piece, lays a foundation for gradual understanding and comprehension of the nature of actual rock burst phenomenon.

Classes IPC  ?

• G01N 3/313 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique en appliquant une force unique et brève engendrée par des explosifs

Abrégé

A large deformation tensile testing system, for use in testing a large deformation tensile of an anchor rod or an anchor rode, comprising a main machine frame (1), a rear collet component (2) arranged at a first position on the longitudinal direction of the main machine frame (1), a front collet component (3) movably arranged at a second position on the longitudinal direction of the main machine frame (1), a telescoping apparatus (4), a measurement and control apparatus, where a sensor module thereof senses the displacement and real-time tensile of the telescoping apparatus to form real-time data to be transmitted to an analysis module and a control module, the control module that controls, on the basis of a set measurement and control scheme and of an input of the sensor module, a testing process to proceed according to a set testing condition, the analysis module for analyzing the input of the sensor module to form a test result, and an output module for outputting same. The large deformation tensile testing system is capable of deriving a statics parameter of the anchor rod or anchor rode being tested.

Classes IPC  ?

• G01L 5/08 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la tension dans les éléments flexibles, p. ex. dans les cordages, les câbles, les fils métalliques, les filaments, les courroies ou les bandes en utilisant des moyens hydrauliques
• G01L 5/04 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques pour la mesure de la tension dans les éléments flexibles, p. ex. dans les cordages, les câbles, les fils métalliques, les filaments, les courroies ou les bandes
• G01L 1/02 - Mesure des forces ou des contraintes, en général par des moyens hydrauliques ou pneumatiques
• G01N 3/10 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression engendrés par pression pneumatique ou hydraulique

Abrégé

A simulated impact-type rock burst experiment apparatus, comprising a machine frame (100), a specimen box assembly, a loading mechanism arranged on the x-axis direction of the machine frame (100), a loading mechanism arranged on the y-axis direction, a loading mechanism arranged on the z-axis direction, and a control system. The loading mechanisms of each of the directions comprise: four support columns (11, 21, and 31) arranged as a rectangle, first framepieces (12, 22, and 32) and second framepieces (13, 23, and 33) oppositely arranged and respectively fixed onto respective two ends of the four support columns, a loading hydraulic cylinder (14, 24, and 34) and a bolt (15, 25, and 35) respectively arranged upon each framepiece. The apparatus is capable of loading a static stress and a disturbance load onto a rock sample piece from three directions perpendicular to each other in a three-dimensional space, and can be used in a simulated impact-type rock burst experiment; also, the three sets of loading mechanisms have roughly identical structures, provide great symmetry, and allow for improved easiness and precision in terms of operation and control of loading the static stress or disturbance load onto the rock sample piece in the three directions.

Classes IPC  ?

• G01N 3/08 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression

Abrégé

A constant-resistance and large deformation anchor cable and a constant-resistance device are provided. The constant-resistance and large deformation anchor cable comprises cables (7), an anchoring device (13), a loading plate (12) and clipping sheets (4). The upper end of cables (7) is fixed on the anchoring device (13) and the loading plate (12) by clipping sheets (4). The constant-resistance and large deformation anchor cable also comprises a constant-resistance device, and the constant-resistance device comprises a sleeve (8) and a constant-resistance body (5). The sleeve (8) is a straight tube. The constant-resistance body is conical, and the diameter of the lower end of the constant-resistance body is bigger than the diameter of the upper end of the constant-resistance body. The inner diameter of the sleeve (8) is smaller than the diameter of the lower end of the constant-resistance body. A cuneiform part is arranged on inner wall of the lower end of the sleeve (8), and the constant-resistance body (5) is arranged on the cuneiform part. The strength of constant-resistance body (5) is higher than the strength of the sleeve (8), thus the sleeve (8) generates plastic deforming and the shape of the constant-resistance body (5) is not changed, when the constant-resistance body (5) moves in the sleeve (8). The lower end of the cables (7) is fixed on the constant-resistance body (5). The constant-resistance and large deformation anchor cable and the constant-resistance device have the properties of constant-resistance and preventing fracture, and can detect and early warn the all process of the activity of the landslides and the causative fault.

Classes IPC  ?

• E21D 21/00 - Boulons d'ancrage pour la protection du toit, de la sole ou du revêtement des puits

Abrégé

A tension meter for an anchor rod with constant resistance and large deformation comprises a pull rod and a hollow jack (13). The meter further includes: a rotation device for controlling the rotation angle of the hollow jack (13); a lifter for adjusting the height of the hollow jack (13) and the rotation device; a first hydraulic pump (1) for driving the hollow jack (13), wherein the hollow jack (13) is fixed on the rotation device mounted on the lifter. The meter has a large measurement range and a high load capacity.

Classes IPC  ?

• G01L 1/02 - Mesure des forces ou des contraintes, en général par des moyens hydrauliques ou pneumatiques

Abrégé

A system and method for testing gas migration process in the coal and rock mass are disclosed. The method includes the following steps: selecting a cylindrical coal sample, applying an axial pressure and a radial pressure to the coal sample under a sealing state, and/or increasing temperature, to desorb gas absorbed by the coal sample; guiding the gas desorbed from the coal sample by a guiding passage, detecting gas flow rate and pressure, analyzing gas composition and content, and achieving a data statistics. The method provides a theory and data basis for researching the forming and occurring process of gas outburst accident in coal mine. The system is simple and easy to use, and is suitable for migration research of the gas absorbed in the deep coal-rock mass.

Classes IPC  ?

• G01N 7/00 - Analyse des matériaux en mesurant la pression ou le volume d'un gaz ou d'une vapeur

Abrégé

An earthquake disaster early-warning and forecasting method and system are provided. The method comprises setting a monitoring cable and a force sensor among fault planes of a seismic belt so as to detect the shearing force between the fault planes of the seismic belt, the force sensor and the monitoring cable are connected so as to sense the tension of the cable; calculating the shearing force between the fault planes of the seismic belt according to the following formuIa (I); wherein P is the shearing force between the fault planes of the seismic belt, M is the tension of the monitoring cable, α is a reinforcing angle of the tension of the monitoring cable, θ is an inclination between the fault plane of the seismic belt and horizon plane, φ is a weighted mean value of friction angles among each soil layer of the fault crush zone, and C is a weighted mean value of cohesive strengths among each soil layer of the fault crush zone; sending an earthquake early-warning and forecasting when the shearing force between the fault planes of the seismic belt exceeds an early-warning value.

Classes IPC  ?

• G08B 21/10 - Alarmes pour assurer la sécurité des personnes réagissant aux événements désastreux, p. ex. les tornades ou les tremblements de terre
• G01V 1/00 - SéismologieProspection ou détection sismique ou acoustique
• G01L 1/00 - Mesure des forces ou des contraintes, en général

Abrégé

A system and method for testing gas migration process in the coal and rock mass are disclosed. The method includes the following steps: selecting a cylindrical coal sample, applying an axial pressure and a radial pressure to the coal sample under a sealing state, and/or increasing temperature to desorb gas absorbed by the coal sample, guiding the gas desorbed from the coal sample by a guiding passage, detecting gas flow rate and pressure, analyzing gas composition and content, and achieving a data statistics. The method provides a theory and data basis for researching the forming and occurring process of gas outburst accident in coal mine. The system is simple and easy to use, and is suitable for migration research of gas absorbed in deep coal and rock mass.

Classes IPC  ?

• E21B 49/00 - Test pour déterminer la nature des parois des trous de forageEssais de couchesProcédés ou appareils pour prélever des échantillons du terrain ou de fluides en provenance des puits, spécialement adaptés au forage du sol ou aux puits