A blade static loading platform comprises: a platform base (200) for mounting the blade, a loading device (310) and a displacement driving mechanism (320). The loading device (310) comprises: a rotary driving mechanism, a base (311) and a loading frame (312). The loading frame (312) is assembled on the base (311) by the rotary mechanism, and a loading driving mechanism (314) is assembled on the loading frame (312). There is a track (220) on the platform base, and the base (311) slides on the track (220). When the blade is forced to be bent, and the angle of loading declination between the normal line of the blade on the loading point and the direction of the loading force is too large, the loading device (310) will be moved relative to the platform base (200) along the track (220), and the loading frame (312) will be rotated relative to the base (311), so as to adjust the direction of the loading force, and make the direction of the loading force consistent with the normal line of the blade on the loading point, or keep the angle of loading declination between the two in a predetermined range, without changing the position of the loading point. By this the difference between the loading force and the actual load of the normal line direction of the blade on the loading point can be reduced. A blade static testing system which comprises said blade static loading platform is also provided.
A fan integral installing rotary hold-lifting mechanism for a marine fan installing platform is disclosed. The mechanism includes: a bearing beam (61) which is arranged between two upright posts (17) of a door-shaped frame (16) and can move upward and downward along the two upright posts (17); a central circular ring (68) provided in the middle of the bearing beam (61); a plurality of hanging rods (69) arranged on the lower end of the central circular ring (68); a hanging basket (70) hung on the lower end of the central ring (68) by the hanging rods (69); a plurality of holding devices (7) circumferentially distributed on the basket (70); a torsion device (51), a transverse micro-adjustment mechanism (52) and a longitudinal micro-adjustment mechanism (53) all of which are used for driving the basket (70) to rotate or move horizontally and arranged between the basket (70) and a connecting frame (50). The mechanism can conveniently align the tower cylinder center with the connecting flange bolt hole when the tower cylinder is held from the lower side of fan. When the install work is finished, the installing platform can depart the fan once the rotary hold-lifting mechanism is opened.
E04H 12/34 - Dispositions pour élever ou abaisser des tours, mâts, poteaux, corps de cheminée ou analogues
B66C 1/10 - Éléments ou dispositifs de prise de la charge adjoints aux mécanismes de levage, de descente ou de halage, ou adaptés pour être utilisés avec ces mécanismes et transmettant les efforts à des articles ou à des groupes d'articles par moyens mécaniques
B66F 11/00 - Dispositifs de levage spécialement adaptés à des buts particuliers, non prévus ailleurs
3.
GRID-CONNECTED WIND-PHOTOVOLTAIC HYBRID POWER GENERATION SYSTEM AND POWER GENERATION METHOD THEREOF
A grid-connected wind-photovoltaic hybrid power generation system and a power generation method thereof. The system includes a wind power generating set and a solar photovoltaic array which are connected to a power grid respectively, a detection device (11), a power storage device (12) and a master control device (13). When the sum of the output power generated by the wind power generating set and the output power generated by the solar photovoltaic array is greater than a fluctuation range of the output power required by the power grid, the master control device (13) controls the power storage device (12) to store electrical energy therein; and when the sum of the output power is smaller than the fluctuation range of the output power, the master control device (13) controls the power storage device (12) to discharge electrical energy. During the operation of the grid-connected wind-photovoltaic hybrid power generation system, a supplemental generating set and the power storage device (12) can adjust the power delivered to the power grid by the power generation system in real time according to the amount of the output power.
H02J 3/38 - Dispositions pour l’alimentation en parallèle d’un seul réseau, par plusieurs générateurs, convertisseurs ou transformateurs
H02J 7/35 - Fonctionnement en parallèle, dans des réseaux, de batteries avec d'autres sources à courant continu, p. ex. batterie tampon avec des cellules sensibles à la lumière
H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
An amphibious transport vehicle comprises a vehicle body and two crawler tracks (2) respectively set on both sides below the vehicle body, wherein, each crawler track comprises a pontoon and at least two tracks (21) side by side outside the pontoon. Because a crawler track with at least two tracks side by side outside the pontoon is located on each side of the vehicle body respectively, the configuration of the entire vehicle is more compact and the steering resistance becomes smaller while equal grounding specific pressures are ensured.
B60F 3/00 - Véhicules amphibies, c.-à-d. véhicules capables de se déplacer sur la terre et sur l'eauVéhicules terrestres capables de se déplacer sous l'eau
An amphibious crawler crane (100) includes: an arm support (1), which is supported on a chassis (2) of the crane and is composed of a plurality of detachable booms connected in turn; a crawler walking device (5), which is disposed under the chassis of the crane; a support device, which is detachably connected to the chassis and supports the whole weight of the crane in working, and which comprises cantilever beams (3) transversely extending from the chassis and radially distributed; hollow barrel-shaped bases (4), the lower end of each of which has an opening, and the upper end of each of which is closed and detachably connected to the free end of one of the cantilever beams. In working, the hollow barrel-shaped bases bear the whole suspended weight, and the lower end of which extends into soft beach regions or shallow water regions, so as to support more stably and operate simply.
B66C 23/36 - Installations comportant essentiellement un palonnier, une flèche ou une structure triangulaire agissant comme bras de levier, montées de façon à permettre des mouvements de translation ou d'orientation dans des plans verticaux ou horizontaux, ou bien une combinaison de ces mouvements, p. ex. grues à flèche, derricks ou grues sur tours spécialement adaptées pour être utilisées dans des emplacements particuliers ou à des usages particuliers montées sur véhicules routiers ou ferroviairesGrues à flèche à manœuvre manuelle pour utilisation dans les ateliersGrues flottantes
B62D 55/08 - Systèmes des chenillesÉléments de ces systèmes
B60F 3/00 - Véhicules amphibies, c.-à-d. véhicules capables de se déplacer sur la terre et sur l'eauVéhicules terrestres capables de se déplacer sous l'eau
An amphibious piling machine includes a chassis (2), a working device (1) fixed on the chassis, an elevated floating box (3) fixed at the bottom part of the chassis; the chassis includes a counterbalance (23), a power device, a transmission device and a control device; the amphibious piling machine also includes two groups of crawler units (4) and a telescopic outrigger device (5); the two groups of crawler units are fixed respectively at two sides of the bottom part of the chassis; each group of the crawler units includes two crawler mechanisms (41) arranged side by side, and the two crawler mechanisms are connected by a connecting mechanism (42); the telescopic outrigger device is arranged to adjust height of the elevated floating box under different water depth and is respectively connected with the connecting mechanism and the elevated floating box. The power device outputs power to the transmission device under the control of the control device, and drives the crawler travel devices by the transmission device. The amphibious piling machine enables to carry out the construction of piling in offshore beach area in quick, safe and reliable manner.
B60F 3/00 - Véhicules amphibies, c.-à-d. véhicules capables de se déplacer sur la terre et sur l'eauVéhicules terrestres capables de se déplacer sous l'eau
A rotating bearing for a variable-paddle of an aerogenerator includes an inner ring (4), an outer ring (1), a plurality of steel balls (2) installed between the raceway of the inner ring (4) and the raceway of the outer ring (1) and a cage (3). One of the inner ring (4) and the outer ring (1) is a tooth ring, a part of which is cut with tooth. Said tooth cutting part preferably is an available tooth zone which is at least 90 degrees. The structure according the invention improves tooth forming efficiency and tooth surface quenching efficiency, and decreases machining residual stress and tooth ring deformation, so that the performance of the rotating bearing for the variable-paddle is largely improved.
F16C 19/10 - Paliers à contact de roulement pour mouvement de rotation exclusivement avec roulements à billes essentiellement du même calibre, en une ou plusieurs rangées circulaires pour charges axiales principalement
F16C 33/58 - Chemins de roulementBagues de roulement
F03D 7/00 - Commande des mécanismes moteurs à vent
F03D 11/00 - Détails, parties constitutives ou accessoires non couverts par les autres groupes de la présente sous-classe ou présentant un intérêt autre que celui visé par ces groupes
8.
AUTOMATIC DETECTION METHOD AND APPARATUS FOR ROTOR INITIAL POSITION ANGLE OF DOUBLE-FED MACHINE
An automatic detection method and apparatus for a rotor initial position angle of a double-fed machine (2). The method comprises the following steps: giving a reference voltage angle θgiven, and combining with a given reference voltage amplitude Vref to generate a reference voltage vector; converting the reference voltage vector into a driving signal by space vector width modulation SVPWM to drive a rotor side PWM converter (5) to generate an alternating current voltage signal and apply it to a rotor winding of the double-fed machine (2); obtaining a rotor mechanical angle n*θrotor of the double-fed machine (2); obtaining a stator voltage vector angle θ1; and subtracting the rotor mechanical angle n*θrotor and the given reference voltage angle θgiven from the stator voltage vector angle θ1 to obtain the rotor initial position angle θinital; wherein n is the number of pole pairs of the double-fed machine (2). The automatic detection for the rotor initial position angle of the double-fed machine (2) can be realized through adopting the method and apparatus.
A wind generating set comprises a wind wheel (11), a main shaft (12) and a generator (14). The wind wheel (11) comprises blades (111) and a wheel hub (112). Blade-roots of the blades (111) are fixed on the wheel hub (112). One end of the main shaft (12) is connected with the wheel hub (112) and the other end of the main shaft (12) is connected with the generator (14) via a transmission system (13). The blades (111) are in telescopic structure. The blades (111) are extended in a preset low wind-speed range and shrunken in a preset high wind-speed range. A variable-pitch system is located between the blades (111) and the wheel hub (112), so that the blades (111) can rotate around the main shaft (12). A wind generating system and an operating control method thereof are also related to. The telescopic blades are combined with the variable-pitch system to adjust the output power and optimize the quality of power output by a wind power station. The adjusting and controlling range is wide and the mode is flexible.
F03D 9/00 - Adaptations des mécanismes moteurs à vent pour une utilisation particulièreCombinaisons des mécanismes moteurs à vent avec les appareils qu’ils entrainentMécanismes moteurs à vent spécialement adaptés à l’installation dans des endroits particuliers
A wind turbine yaw testing mechanism (100) comprises: a cabinet support (107), whose upper end is fixed in a cabinet of the wind turbine, and lower end is mounted on a yaw base (108); a tower drum tool (104), which is connected with a tower drum tool driving device by a transmission mechanism (100), and rotates around a tower drum tool axis under the action of the tower drum tool driving device; an upper slewing bearing (105), which is mounted on the bottom of the cabinet underbed for realizing the movement of the tower drum tool (104) relative to the cabinet; a lower slewing bearing (102), which is mounted on the yaw base (108) for realizing the movement of the tower drum tool (104) relative to the yaw base (108). The yaw test can be carried out synchronously with the wind turbine drag test, so that the mechanism (100) saves test time and increases the test efficiency, and the test is convenient to operate. The cabinet deflection is not necessary when the yaw test is carried out, and the space for test is saved. The mechanism (100) is convenient to be installed. And a wind turbine body testing bench is provided.
F03D 7/02 - Commande des mécanismes moteurs à vent les mécanismes moteurs à vent ayant l'axe de rotation sensiblement parallèle au flux d'air pénétrant dans le rotor
11.
CLIMBING DEVICE, CLIMBING SYSTEM, CLIMBING LIFTING SYSTEM AND CLIMBING METHOD
A climbing device (100) comprises an upper part and a lower part, the upper part is connected with the lower part by a telescoping mechanism (9) capable of changing the distance between the upper part and the lower part; the upper part comprises an upper platform (1) and an upper fixing mechanism (10,12) which are fixed with each other, the lower part comprises a lower platform (2) and a lower fixing mechanism (10,12) which are fixed with each other; and the climbing device (100) can be coupled to an object to be climbed by the upper fixing mechanism (10,12) and the lower fixing mechanism (10,12). The climbing device (100) is a movable device, can reach a predetermined position or height on the object to be climbed, can be applied to the maintenance of various artificial facilities, and is convenient to transfer and transport. The invention further includes a climbing system, a climbing lifting system and a climbing method.
B66C 23/18 - Installations comportant essentiellement un palonnier, une flèche ou une structure triangulaire agissant comme bras de levier, montées de façon à permettre des mouvements de translation ou d'orientation dans des plans verticaux ou horizontaux, ou bien une combinaison de ces mouvements, p. ex. grues à flèche, derricks ou grues sur tours spécialement adaptées pour être utilisées dans des emplacements particuliers ou à des usages particuliers
brevets