699results about "Wind motor assembly" patented technology

The invention relates to the technical field of wind power generation, and particularly discloses a train-mounted ducted airflow coupling wind energy recovery power generation system and method. The train-mounted ducted airflow coupling wind energy recovery power generation system comprises N ducted windmills which are sequentially connected through connecting assemblies; the supporting assemblies are in one-to-one correspondence with the ducted windmills; the supporting assembly is used for supporting the ducted windmill and can achieve rotation and turning of the ducted windmill. The energy storage devices are in one-to-one correspondence with the ducted windmills, and the energy storage devices are connected with generators in the ducted windmills through cables; the connecting assembly comprises a first fixing part, a connecting section and a second fixing part; the first fixing part is connected with the outlet end of the ducted windmill, the second fixing part is connected with the inlet end of the ducted windmill, and the two ends of the connecting section are detachably connected with the first fixing part and the second fixing part respectively. The multiple ducted windmills are connected in series and installed on the train, the ducted windmills can rapidly turn around based on different driving directions, and the ducted windmills can be used for train power generation.

The utility model discloses a wind power tower hoisting auxiliary positioning device, which belongs to the technical field of wind power towers and comprises a wind power tower body, an auxiliary positioning component is arranged at one end of the wind power tower body, and a plurality of fixing rings are welded on the inner wall of the other end of the wind power tower body in an annular array manner. The auxiliary positioning assembly comprises a fixed clamping lantern ring cover clamped to the peripheral side of one end of the wind power tower barrel body. The upper end fastening component is arranged on the peripheral side of the fixed clamping lantern ring cover, the lower end fastening assembly is arranged in the fixed clamping lantern ring cover, extends to the other end of the wind power tower drum body along an inner cavity of the wind power tower drum body and is in fastening connection with the fixed ring, and a lifting hook retracting and releasing assembly is arranged in the fixed clamping lantern ring cover. A clamping and clamping cavity used for clamping and containing the top end of the wind power tower barrel body is formed in the fixed clamping lantern ring cover. According to the utility model, the safety of the hoisting operation is improved by improving the aspects of multi-point fixing, synchronous supporting and accurate positioning in the hoisting process of the wind power tower drum.

A fusing type disengaging device of a wind power blade turbulent flow element is characterized in that a half rope ring, close to one side of a hub, of a rope is arranged in a rope winding ring groove in the outer wall of an end cover of a sleeve in a sleeving mode, a fusing assembly in the end cover is provided with a power supply device and a plurality of conducting strips, and conduction can be avoided through the elastic force of a torsional spring in a locking state; the pawl disc can rotate relative to the ratchet wheel disc to the separation position where the pawl and the ratchet are mutually blocked, at the moment, due to the fact that the conducting strips stay to the mutual contact position after rotating, the conducting parts at the two ends of the power supply device can be mutually conducted to form a heating loop, and heat of the heating loop can be transmitted to the rope winding ring groove to burn out the positioning rope. Therefore, the positioning rope can be separated from the end cover, the turbulent flow element can be reliably and efficiently separated from the wind power blade, an operator only needs to pull the traction rope at will, and the workload in the wind power blade installation process is greatly reduced.

The utility model provides a lifting device for a tower crane. The lifting device comprises a mounting seat, a bracket, a hanging bracket and a steel wire rope, the mounting seat is fixed to the top of a cabin, the support is mounted on the mounting seat, and the hanging bracket is arranged at the top of the support and provided with the hoisting pulley block. A lifting pulley block is arranged at the rear end of the on-tower crane, and when the on-tower crane is vertically arranged, the lifting pulley block and the hoisting pulley block are oppositely arranged; the hoisting pulley block comprises at least one hoisting pulley which is coaxially arranged, and the lifting pulley block comprises at least one lifting pulley which is coaxially arranged; a guide pulley block is arranged on a suspension arm of the on-tower crane; when the on-tower crane is lifted, one end of the steel wire rope is fixed on the on-tower crane or the hanging bracket, and the other end of the steel wire rope penetrates through the lifting pulley block, the hoisting pulley block and the guide pulley block and then is connected to a power unit arranged below the fan tower; the power unit tightens the steel wire rope to lift the on-tower crane.

A carousel lifting tower may facilitate assembly of a wind turbine generator (WTG) and other constructs. In one example, the carousel lifting tower includes a tower, which may be positioned in an upwardly angled orientation, and which may define a tower axis. In the example, the carousel lifting tower further includes a lift frame, which may be movably mounted on the tower to allow translation of the lift frame along the tower axis. Additionally, in the example, the carousel lifting tower includes a carousel coupled to the lift frame. The carousel may rotate about the tower axis. Moreover, in the example, the carousel lifting tower includes a load handler on the carousel. The load handler may releasably engage with a component to be lifted.

The invention discloses a sectional type wind power blade manufacturing method and system based on intelligent assembly control. The method comprises the steps of obtaining segmented component design data, and generating assembly path planning information based on a dynamic assembly optimization model; real-time monitoring is carried out through a multi-sensor fusion technology, and an intelligent assembly control instruction is generated; the assembly precision is verified in combination with a self-adaptive deformation compensation mechanism, and a blade assembly record is generated; and storing the record to a manufacturing data system and completing manufacturing. The deformation compensation mechanism optimizes pose deviation and interface stress based on finite element analysis and real-time data, and integrates gravity and temperature influence. The system comprises a data acquisition module, an instruction generation module, a precision verification module and a storage execution module. Millimeter-level precise butt joint and bonding quality control of the large-size blades are achieved, and the assembly efficiency and reliability are improved.

Offshore wind turbine systems and processes for installing same. The system can include a wind turbine generator that can include a plurality of blades connected thereto. The system can also include a first support arm and a second support arm each having a first end and a second end. The system can also include a support structure that can be configured to float on a surface of a body of water that can include first, second, and third columns. The first end of the first support arm and the first end of the second support arm can each support the wind turbine generator at an elevation above the support structure. The second end of the first support arm can be connected to and supported by the first column. The second end of the second support arm can be connected to and supported by the second column.

A method for harvesting energy from one or more internal energy sources of a wind turbine of a wind farm during an off-grid state includes collecting energy from the one or more internal energy sources locally at the wind turbine during the off-grid state. The off-grid state is characterized in that the wind turbine is mechanically and electrically installed at the wind farm but not yet connected to a grid. The method further includes storing at least a portion of the energy in one or more energy storage devices locally at the wind turbine or the wind farm during the off-grid state. Moreover, the method includes using the energy to periodically power one or more electrical power systems used for idle operation or maintenance tasks of the wind turbine during the off-grid state.

According to the present invention there is provided a method of assembling a modular wind turbine blade comprising first and second blade modules connectable together at an interface to form at least part of the modular wind turbine blade. The method comprises providing a first blade module and a second blade module. Each blade module comprises an outer shell defining an outer surface of the blade module, a connecting region of the outer shell defining an interface end of the blade module, and a longitudinally-extending spar cap embedded in the outer shell. The spar cap has a tapered end portion in the connecting region in which the thickness of the spar cap decreases towards the interface end of the blade module such that a tapered recess is defined in the outer surface of the blade module. The method further comprises arranging the first and second blade modules end-to-end with the tapered recesses aligned to define a bridge recess. The tapered recess of the first blade module defines a first end of the bridge recess, and the tapered recess of the second blade module defines a second end of the bridge recess. The method further comprises arranging a stack of layers in the bridge recess and spanning the interface between the first and second blade modules. The stack of layers comprises a plurality of pre-cured layers interleaved with pre-preg interlayers. The pre-preg interlayers comprise fibrous material that is pre-impregnated with uncured resin. The method further comprises applying heat to the stack of layers in the bridge recess such that the resin in the pre-preg interlayers mobilises in the bridge recess. The method further comprises curing the resin to integrate the pre-cured layers with each other to form a spar bridge spanning the interface, the spar bridge serving to connect the spar caps of the first and second blade modules.

The systems and methods for assembling and installing multiple wind turbines from a single vessel tire provided. Generally, the different embodiments use wind turbine components on the vessel that include blades, a nacelle assembly having a rotating hub, and a tower. A Turbine Installation Gantry System (T.I.G.S.) embodiment uses a gantry system having a truss sub-structure and at least one bridge crane on the elevated vessel for assembling the wind turbine blades on board to the nacelle hub supported above the seabed. A Skidding Turbine Installation Crane (S.T.LC.) embodiment has a rotatable crane mounted on a skidding pedestal or cantilever structure to provide full access to the vessel deck and the blades outboard of the vessel for assembling each of the blades with the assembled nacelle assembly outboard. A Turbine Assembly and Positioning System (T.A.P.S.) embodiment includes a handling system and a crane both mounted onto a skidding cantilever structure for fastening blades to an assembled tower section and nacelle hub suspended cantilevered outboard of the vessel by the handling system. A combination embodiment uses selected components and systems from the T.I.G.S., S.T.LC, and T.A.P.S. embodiments to provide redundancy and simultaneous movements of components and systems.

In the assembly of the support structure of a wind turbine, N sets of a first tubular brace and a second tubular brace extend from a tower support. For each set, the second braces are connected at one or both of their end parts by a casted connection. The first brace or the tower structure has a casting cavity for accommodating an end of the corresponding second brace. In order to assemble the construction, the second brace is inserted into the cavity, after which the end of the first brace is lifted until the end of the second brace is inserted deeply enough into the respective cavity.

The present invention relates to a support structure (1) for an offshore wind turbine, said support structure (1) comprising: - a first structure part (A) destined to be fixed to the seabed (Sb), said first structure part (A) comprising at least three dummy legs (3) distributed regularly on a first circle (X1) having as center a longitudinal axis (Y) of the support structure (1) and extending along said longitudinal axis (Y) of the support structure (1), said dummy legs (3) comprising a lower extremity (3a) designed to face the seabed (Sb) and an upper extremity (3b) opposed to the lower extremity (3a), the first structure part (A) also comprising at least three anchor devices (5) to the seabed (Sb) linked to the at least three dummy legs (3), - a second structure part (B) comprising at least three structure legs (4) comprising a lower extremity (Ba) facing the first structure part (A) and an upper extremity (Bb) configured to be placed above the sea level (Sl), wherein at least one anchor device (5) of the first structure part (A) is positioned angularly between two adjacent dummy legs (3) on a second circle (X2) having as center the longitudinal axis (Y) of the support structure (1), and wherein at least one of the dummy legs (3) of the first structure part (A) and / or of the structure legs of the second structure part (B) are at least partially filled with a solid ballast (10).

The present application relates to wind turbine, provide a kind of wind turbine disc device, including support frame (5);Driving mechanism (3), the driving mechanism (3) is provided with driving gear (301);Mounting disc (4), the mounting disc (4) is detachably mounted on the support frame (5);Adapter disc (1), the adapter disc (1) is used to detachably connect the brake disc of wind turbine, the adapter disc (1) is formed with inner ring gear (101), the adapter disc (1) is separately provided with the support frame (5);Wherein, the mounting disc (4) is formed with positioning installation structure, the driving mechanism (3) is detachably installed on the mounting disc (4) by positioning installation structure, to make the driving gear (301) with the inner ring gear (101) meshing connection.The present application wind turbine disc device does not need to disassemble the top cover of wind turbine nacelle, can be hoisted into nacelle and is installed blade, save time and effort.

The utility model provides a kind of tower drum inner high water tank mounting device, including buffer mechanism, slide rail and the base for being installed on tower drum platform, the slide rail is connected with the base by the buffer mechanism;First sliding slot and second sliding slot are provided on the slide rail, the telescopic end of the buffer mechanism is connected with guide block, the telescopic end of the buffer mechanism is slidably installed in the first sliding slot by the guide block;Receiving seat is slidably installed in the second sliding slot;The base is detachably connected with the tower drum platform, the first sliding slot and second sliding slot are vertically arranged;The utility model can solve the problem that the deviation exists between the lifting point of high water tank in prior art and the fixing hole arranged on tower drum platform, hoisting alignment precision is insufficient and it is difficult to adjust position again in narrow space.

A method for handling a wind turbine component (26) is provided. The method includes providing a lift yoke (38) having a yoke carrier (40) and connecting the yoke carrier (40) to a wind turbine component (26). The method also includes providing a first crane (24, 36) and a first crane interface (44, 46) that attaches the first crane (24, 36) to the lift yoke (38). The wind turbine component (26) is suspended in the air by a first crane (24, 36). The method also includes providing a second crane (36, 24) and a second crane interface (46, 44) that attaches the second crane (36, 24) to the lift yoke (38). In a state in which the wind turbine component (26) is suspended in the air, support of the wind turbine component (26) is transferred from the first crane (24, 36) to the second crane (36, 24). Transferring support of a wind turbine component (26) includes moving a first crane interface (44, 46) and a second crane interface (46, 44). A lift yoke (38) for handling a wind turbine component (26) using a first crane (24, 36) and a second crane (36, 24) is also provided.

A carousel lifting tower 100 comprises a tower 108 in an upward orientation and defining a tower axis 150, a lift frame 116 movably mounted on the tower for translation along the tower axis, a carouse

A main nacelle unit (22) for forming a nacelle (14) of a wind turbine (10) includes a main housing (28) having an outer wall (30a, 30b) and containing a base frame (52) configured to be attached to a tower (12) of the wind turbine (10). The main nacelle unit (22) also includes at least one support frame (56) configured to support a wind turbine component (54) external to the main housing (28). A portion of the support frame (56) is attached to the base frame (52) and movable between a stored position and a deployed position. In the stored position, the portion of the support frame (56) is configured to be positioned within the confines of the main housing (28), and in the deployed position, the portion of the support frame (56) is configured to extend through the main housing outer wall (30a, 30b) to support the wind turbine component (54) external to the main housing (28). A method of assembling a wind turbine using the support assembly is also disclosed.

The utility model relates to the technical field of tower tube construction, in particular to a mixed tower wind power prefabricated tower tube duct piece vertical abutted seam connecting structure which comprises a transverse corrugated pipe, an embedded sleeve and a connecting joint bar, the transverse corrugated pipe is transversely embedded in one end of a duct piece, the embedded sleeve is transversely embedded in the other end of the duct piece, and the connecting joint bar is connected with the transverse corrugated pipe. The connecting joint bar comprises a screw portion and a pier head portion, the diameter of the pier head portion is larger than that of the screw portion, the screw portion is in threaded connection with the embedded sleeve, and the pier head portion is inserted into the transverse corrugated pipe. One end of the connecting joint bar is connected through the screw thread, and the other end of the connecting joint bar is anchored through the pier head, so that the connecting strength and the anti-drawing performance are improved, the operation convenience of constructors is improved, and the construction efficiency is improved.

A surface finishing and leveling device suitable for wind power mixed tower foundation grouting materials comprises a track and a surface finishing and leveling device body sliding stably along the track, the track is formed by welding an arc-shaped steel plate and an arc-shaped steel pipe, the surface finishing and leveling device body comprises four track wheels and a horizontal steel plate, and the two sides of the horizontal steel plate are each welded with two track wheels. Two scraping plates are welded in the middle of the horizontal steel plate and are a leveling scraping plate and a surface finishing scraping plate respectively, the leveling scraping plate is perpendicular to the advancing track, and an included angle is formed between the surface finishing scraping plate and the leveling scraping plate. After the track is placed on the top surface of the foundation, the top levelness of the arc-shaped steel pipe is measured, and the gasket is plugged below the arc-shaped steel plate for leveling, so that the top levelness of the track meets the design requirement, the levelness of the surface finishing and leveling device after running on the surface finishing and leveling device is controlled, the operation difficulty is greatly reduced, and the construction efficiency is improved.

The invention provides a method for a wind turbine, having rotor assembly including a rotor hub and rotor blades, to be performed when the rotor assembly is in a partially installed state in which one or more of the rotor blades is finally installed in the rotor hub and one or more of the rotor blades is in a pre-installed state relative to the rotor hub. The method includes receiving sensor data indicative of vibrations of the rotor blade(s) finally installed in the rotor hub, and determining, based on the received sensor data, whether an amplitude of the vibrations of the rotor blade(s) finally installed in the rotor hub exceeds a defined threshold amplitude. If the vibrations amplitude exceeds the threshold amplitude, then the method includes outputting a signal for adjusting pitch of at least one of the finally installed rotor blades to reduce the vibrations amplitude.

Elongation tool (1) for elongating a threaded rod or bolt (2) of a flange connection (3) comprising a rotatable thread engagement means (5) and an expansion device (6), wherein the thread engagement means (5) are configured to be threaded onto the bolt (2), and the expansion device (6) is connected to the thread engagement means (5) and configured to exert a first force (F1) essentially perpendicular to and away from the flange connection (3) onto the thread engagement means (5), when the thread engagement means (5) are engaged with a thread of the bolt (2), wherein the elongation tool (1) comprises friction means (7) configured to be brought into contact with the bolt (2) and provide friction between the friction means (7) and the bolt (2) when the thread engagement means (5) are being threaded onto the bolt (2), and to arrest a rotational movement of the bolt (2).

The invention discloses a method, a device and equipment for correcting staggered holes of a flange of a wind turbine generator and a medium, and belongs to the technical field of wind power. The method for correcting the staggered holes of the flanges of the wind turbine generator comprises the steps that under the condition that the wind turbine generator is shut down and an impeller is locked, individual bolts in a plurality of bolts connecting a hub flange and a rotating shaft flange are detached, and the staggered hole directions of the hub flange and the rotating shaft flange are determined according to screw holes corresponding to the detached bolts; the remaining bolts for connecting the hub flange and the rotating shaft flange are loosened, and then preset fastening torque is applied for fastening; and the impeller is controlled to rotate according to the target direction corresponding to the hole staggering direction under the acting force of wind until the hole staggering distance between the hub flange and the screw hole corresponding to the disassembled bolt and the hole staggering distance between the rotating shaft flange and the screw hole corresponding to the disassembled bolt are smaller than the preset error distance. According to the embodiment of the invention, the safety of the wind turbine generator can be improved.

An arrangement is for use in any of installing or replacing a part, maintaining, and constructing a wind turbine, the arrangement having a longitudinal structure at least partially supported on a wind turbine tower, a guide track connected to the longitudinal structure and a dolly arranged to follow the guide track along the longitudinal structure.

This invention discloses a wind turbine yaw bushing device that is easy to disassemble, belonging to the field of wind turbine technology. It includes a yaw bushing body, which is installed in a mounting hole on a base. A pushing assembly is movably disposed within the bottom side wall of the yaw bushing body. A driving sleeve is rotatably disposed within the disassembly hole. A limiting ring is disposed above the driving sleeve, and a limiting block is rotatably disposed at the bottom of the limiting ring. When the yaw bushing body is disassembled, the driving sleeve rotates, causing it to move downwards and propelling the pushing assembly out from the bottom of the yaw bushing body. This allows the yaw bushing body to move upwards within the mounting hole. Simultaneously, lubricating liquid quickly seeps into the space between the yaw bushing body and the mounting hole through a groove, rapidly forming a lubricating film. This effectively reduces the force required to overcome the initial static friction, thus enabling rapid disassembly of the yaw bushing body.

A rotor locking device, comprising a lock plate body (1), telescopic assemblies (2), connecting plates (3), and locking assemblies (4). The lock plate body (1) comprises a rotor fastening portion (11) and locking box portions (12), wherein the rotor fastening portion (11) is provided with rotor connection holes (111) for connecting to a rotor, and each locking box portion (12) is provided with locking box fastening holes (121) for mounting the locking assemblies (4). The connecting plates (3) partially penetrate the inside of the locking box portions (12) and are connected to the locking box portions (12) by means of the telescopic assemblies (2); each connecting plate (3) is provided with a lock pin hole (31) matching a rotor lock pin and connecting plate fastening holes (32) for mounting the locking assemblies (4). The locking assemblies (4) pass through the locking box fastening holes (121) and the connecting plate fastening holes (32). The solution has advantages such as enabling fastening at any rotor azimuth angle. In addition, the present invention further relates to a usage method for the rotor locking device and a wind turbine.

The invention relates to a wind driven generator supporting device facilitating stability improvement. The wind driven generator supporting device comprises a cement base, a base fixedly arranged at the top of the cement base, a top plate detachably connected to the upper portion of the base and a wind driven generator body installed on the top plate. And a position adjusting mechanism for automatically centering the wind driven generator body is arranged between the base and the top plate. By means of the built-in mechanical position adjusting mechanism, an operator only needs to rotate the rotating disc on the ground, and finally rotary motion can be converted into synchronous radial expansion of the multiple centering plates through a series of determined mechanical transmission (the rotating disc drives the inner disc, and the inner disc pushes the adjusting cylinder through the locking block); in the process, the tower drum or the base of the wind driven generator is automatically guided and tightly held, so that the central axis of the tower drum or the base is quickly and automatically aligned with the center of the supporting device, repeated fine adjustment operation in a hoisting state is eliminated, the alignment precision is ensured by a mechanical structure, the one-time mounting qualification rate is improved, and the mounting time is greatly shortened.

The invention discloses an assembly type wind power tower tube structure and method, and particularly relates to the technical field of wind power towers, a connecting plate is arranged between two circumferentially adjacent corrugated tower plates, a connecting assembly is arranged between two vertically adjacent corrugated tower plates, and a positioning mechanism is arranged on the connecting plate. The positioning mechanism comprises a laser transmitter arranged at the topmost end of the connecting plate, a diffuse reflection plate is arranged on the connecting assembly, and the transmitting end of the laser transmitter faces the corresponding diffuse reflection plate. According to the invention, by arranging the corrugated tower plate with the longitudinal section in the shape of the isosceles trapezoid with the wide lower part and the narrow upper part, the thickness of the corrugated tower plate is gradually thinned from bottom to top, so that the thickness of the whole plate of the tower drum is gradually thinned from bottom to top, and the problems of stress concentration and high gravity center of the middle-upper section of the tower drum are avoided; the overall wind resistance of the tower drum is effectively improved, and the gravity center height of the tower drum is remarkably reduced.

A method of assembling and deploying a floating offshore wind turbine (FOWT) platform includes floating a buoyant floater and a hollow outer tank in a floating assembly, placing permanent ballast material in the outer tank to define a mass, and sinking the mass to a seabed. The buoyant floater is moved to a position over the mass. Transit lines are attached between a lifting device in the buoyant floater and the mass to define a FOWT platform. The mass is lifted to a point directly under the buoyant floater and the FOWT platform is towed to an installation site. Mooring lines are attached between anchors in the seabed and the buoyant floater, and the mass is lowered to a depth wherein suspension lines attached thereto are taught, the mass with the suspension lines defining a suspended mass. The transit lines are then stored or removed from the mass.

The application discloses a wind power generation device convenient to disassemble and assemble, and belongs to the field of wind power generation, which comprises a mounting seat, a tower body is arranged above the mounting seat, an insertion block is fixedly connected below the tower body, a pressing plate is slidably connected to the inner surface of the mounting seat, springs are elastically connected between the pressing plate and the bottom of the inner surface of the mounting seat, a sliding groove is formed in the outer surface of the mounting seat, a sliding strip is slidably connected to the inner surface of the sliding groove, the sliding strip is fixedly connected to the outer surface of the pressing plate, a supporting column is fixedly connected to the outer surface of the mounting seat, and supporting rods are hingedly connected to the upper portion of the supporting column. The tower body is hoisted and the insertion block below the tower body is inserted into the mounting seat to install the tower body, the insertion block inserted into the mounting seat can drive the hydraulic component to support the tower body by the four supporting rods, the device has the function of conveniently strengthening stability, and the stability can be strengthened when the tower body is installed.