1303results about "Wind motor assembly" patented technology

The invention relates to the technical field of wind power generation, and particularly discloses a duct double-turbine supercharged windmill which comprises a duct and a blade type rotating structure arranged in the duct. The duct sequentially comprises a first contraction section, a first straight section, a second contraction section and a second straight section in the air flow direction, and the diameter of the first straight section is larger than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a first-stage turbine and a second-stage turbine, the first-stage turbine and the second-stage turbine are arranged on the rotating shaft, the first-stage turbine and the second-stage turbine are correspondingly arranged on the first straight section and the second straight section respectively, and the rotating shaft is connected with the generator through a transmission structure. Structural improvement is carried out through the blade type rotating structure and the duct, the turbofan located at the front end drives the turbofan located at the rear end to rotate, and therefore the wind energy utilization rate is increased.

The invention relates to the technical field of path planning, and discloses a mountain wind power equipment transportation path planning and hoisting control method and system. The method comprises the following steps: scanning a mountain road through a laser ranging array to obtain a road cross section database, and modeling to obtain blade scanning envelope data; performing dynamic path planning by adopting a terrain adaptability predictive control algorithm, and obtaining a safe transportation path according to stress constraint verification; the sensor array monitors the blade state in real time and corrects the track; a temperature sensor collects tower drum temperature data, and the size change is predicted through a thermal deformation compensation mechanism; and the positioning system obtains hoisting reference coordinates and controls the hoisting posture in combination with the compensation parameters. The technical problems that dynamic sweeping modeling, stress constraint verification and real-time track correction are lacked in wind power equipment transportation path planning in the mountain environment, and thermal deformation compensation and multi-system collaborative optimization are lacked in hoisting control are solved. And the transportation safety and the hoisting control precision of the mountain wind power equipment are improved.

The present application relates to the field of wind power generation technology, and discloses a ducted double turbocharged windmill, which comprises a duct and a blade type rotating structure arranged in the duct. The duct comprises a first contraction section, a first straight section, a second contraction section and a second straight section in sequence along the wind direction, and the diameter of the first straight section is greater than that of the second straight section. The blade type rotating structure comprises a rotating shaft, a primary turbine and a secondary turbine arranged on the rotating shaft, the primary turbine and the secondary turbine are arranged in the first straight section and the second straight section respectively, and the rotating shaft is connected with a generator through a transmission structure. The present application improves the structure of the blade type rotating structure and the duct, and realizes that the turbine fan at the front end drives the turbine fan at the rear end to rotate, so as to improve the wind energy utilization rate.

The utility model discloses a blade for wind power generation, and belongs to the technical field of wind power. The blade comprises a first blade section and a second blade section which are independent of each other, a first section is arranged at the tail end of the first blade section, a second section is arranged at the head end of the second blade section, and the first section and the second section are connected in an assembled mode through a mechanical connecting assembly and an inclined glue joint layer. The mechanical connecting assembly comprises a plurality of single connecting structures which are distributed on the upper side, the lower side and the front edge area of the blade section. An included angle of 30 degrees is formed between the fracture surface and the axis of the blade; the distance between the setting position of the section and the root of the blade is 30-35% of the length of the whole blade; local reinforcing skins are laid on the transition area of the blade root and the easily-damaged area at the position 1 / 3 away from the blade tip. According to the utility model, a mixed connection mode can be adopted, the advantages of the two connection modes can be integrated, and the connection strength is ensured while the weight of the segmented blades is reduced.

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.

Systems and methods are provided for assembling and installing multiple wind turbines from a single vessel. In general, different embodiments use wind turbine components on the vessel including blades, a nacelle assembly with a rotating hub, and a tower. A Turbine Installation Gantry System (TIGS) embodiment uses a gantry system with a truss substructure and at least one bridge crane on an elevated vessel for assembling the wind turbine blades on the vessel to a nacelle hub supported on the seabed. A Skidding Turbine Installation Crane (STIC) embodiment has a rotatable crane mounted on a skidding pedestal or cantilever structure, providing full access to the vessel deck and blades, and for bringing the assembled nacelle assembly outboard to assemble each blade. A Turbine Assembly Positioning System (TAPS) embodiment includes both a handling system and a crane mounted on a skidding cantilever structure for securing the blades to the assembled tower section and nacelle hub that are cantilevered outboard of the vessel by the handling system. The combination embodiment uses selected components and systems from the TIGS, STIC and TAPS embodiments to provide component and system redundancy and concurrent operation.

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.

The utility model discloses a vertical shaft light-weight blade universal breeze power generation device which comprises a tower drum, a stand column, a net rack, blades, a generator set, a mounting base and a bearing mechanism. The net frame is arranged on the stand column, the blades are fixed to the net frame, the tower barrel is hollow, a step ladder for climbing is arranged in the tower barrel, the generator set is fixedly arranged in the tower barrel through the mounting frame, the bottom end of the stand column is connected with the mounting base, the mounting base is arranged on the bearing mechanism and rotationally connected with the bearing mechanism, and the bearing mechanism is arranged at the top end of the tower barrel. One end of the mounting seat is connected with a generator set; blades are blown by breeze to drive the net rack, the stand column and the mounting base to rotate, and then the generator set is driven to rotate for power generation. According to the utility model, the blades are vertically and densely arranged, so that the wind direction limitation is avoided, and acting force can be generated in various wind directions to drive a generator set to operate and generate electricity.

In a first aspect of the present invention there is provided a method of repowering a horizontal-axis wind turbine comprising a tower, a nacelle located rotatably at the apex of the tower, and a rotor having a hub and at least three used blades mounted pitchably to the hub and extending radially therefrom, the method comprising the steps of uninstall the at least three used blades from the hub, install at least three repower blades to the hub, each repower blade extending between a root and a tip, and each repower blade further comprising a connection point located between the root and the tip, install a plurality of blade connecting members, each blade connecting member being connected between corresponding connection points of a pair of repower blades; and install a tensioning system with the hub, the tensioning system being configured to adjust a tension in each blade connecting member.

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.

According to the assembling device of the wind generating set, a hoisting main body comprises a bearing beam and a hoisting beam which are connected and intersect with each other, the hoisting beam is provided with a hoisting structure used for being connected with a first hoisting device, and the hoisting main body can turn over a shaft piece under the action of the first hoisting device; comprising a first driver and a rotary structure is arranged on the hoisting body, the rotary structure is rotationally connected to the bearing beam and used for being connected with the end face of the shaft, and the first driver is in transmission connection with the rotary structure to drive the rotary structure to drive the shaft to rotate relative to the bearing beam. Due to the fact that the jigger mechanism is arranged on the hoisting body, in the process that the shaft piece is installed on the bearing seat, the assembling device of the wind generating set can drive the shaft piece connected with the rotation structure of the jigger mechanism to rotate, the shaft piece can be installed on the bearing seat while rotating, the assembling difficulty of the shaft piece and the bearing seat is reduced, and the assembling efficiency is improved. And the assembly efficiency of the wind generating set is improved.

The disclosure relates to a floating wind turbine platform, comprising: a substantially triangular hull configurable to support a wind turbine tower; the hull comprising a first, second and third column, the first, second and third columns being connected by a first, second and third pontoon member, as well as by a first, second and third connector.

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.

The utility model discloses a single-blade lifting appliance stress deformation real-time monitoring device, and belongs to the technical field of lifting appliance structure deformation monitoring. Comprising an ultrasonic probe and a sliding assembly, the sliding assembly is arranged on a cross beam balance rod of the lifting appliance; two groups of ultrasonic probes are movably arranged on the sliding assembly; the two ends of the cross beam balance rod are arranged in the middle of the first bearing hanging rod and the second bearing hanging rod respectively. The two groups of ultrasonic probes correspondingly monitor the stress deformation of the first bearing suspender and the second bearing suspender respectively; the upper parts of the first bearing suspender and the second bearing suspender are connected with the first end of a sling, and the second end of the sling is arranged on a crane hook; a hanging belt is arranged below each of the first bearing hanging rod and the second bearing hanging rod; the fan blade is placed on the suspension belt; according to the utility model, the problems of inaccurate monitoring result, low overall deformation condition response accuracy and intervention between the monitoring assembly and the lifting appliance in the prior art are solved.

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.

The invention relates to the technical field of fan blade hoisting processes, and discloses a modular hoisting in-place construction method for large fan blades under complex terrains, and the modular hoisting in-place construction method comprises the following steps: S1, a construction preparation stage, S2, a hoisting implementation stage and S3, an acceptance and retreating stage. The problem that fan blades are difficult to adjust in a traditional process is solved by designing and optimizing a modular lifting appliance and combining with targeted research of a lifting scheme, rapid and safe in-position of the blades under the complex terrain is achieved, meanwhile, it is ensured that the lifting process technology conforms to the safety and reliability of a design structure, and the fan blade in-position adjusting method is suitable for large-scale popularization and application. And the process quality control requirement is met, and the adaptation blank of a large fan blade hoisting technology in a complex environment is filled.

The invention discloses a self-locking connecting structure of an offshore self-lifting tower drum and an implementation method. The self-locking connecting structure comprises a first section of tower drum, a second section of tower drum and a drum section connecting structure, the second section of tower drum is positioned on the inner side of the first section of tower drum; the connecting structure between the barrel sections comprises a first section of tower barrel top flange, a second section of tower barrel bottom flange, a telescopic bracket, a plurality of bolts, a self-locking connecting device and an anti-bending pin. The first section of tower drum and the second section of tower drum are connected through a drum section connecting structure; the first section of tower drum comprises a first section of tower drum wall; the second section of tower drum comprises a second section of tower drum wall; the second section of tower barrel bottom flange is positioned below the first section of tower barrel top flange; and each self-locking connecting device is used for fastening and connecting the first section of tower drum and the second section of tower drum by automatically locking the corresponding bolt. According to the self-locking connecting structure, stable operation can be guaranteed in the telescopic lifting process, the excellent stress performance is achieved, and the reliability and safety of the lifting type tower drum in the complex marine environment are remarkably improved.

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 invention provides an adjustable floating wind power foundation based on reinforcement learning and a modular construction method, and belongs to the technical field of offshore wind power. Comprising a fan, and the bottom of the fan is fixed to a tower drum; the bottom of the tower drum is fixedly connected with the floating base; the floating base comprises a first buoy, a second buoy and a third buoy which are arranged in a triangular shape; wherein the bottom of the tower drum is fixedly connected with the first buoy; the first buoy, the second buoy and the third buoy are fixedly connected through supporting steel pipes; the tower drum is fixedly connected with the second buoy and the third buoy through inclined supports; the buoy is further connected with an anchor chain, and the other end of the anchor chain is connected with the suction barrel and anchored to the seabed through the suction barrel. By adopting a coupling connection mode of the inclined support, the tower drum and the floating drum, the storm resistance of the whole structure is improved. A steel-concrete composite structure is adopted, the steel consumption is reduced, and the material cost is reduced. A modular construction method is adopted, the offshore construction time is greatly shortened, and the influence of weather and sea conditions on engineering is reduced.

A tower assembly system can include OEM supplied tower sections and intermediate flange(s) that facilitate the lifting of the tower sections over a previous section without the use of conventional overhead lifting systems. A method and system for assembling a wind turbine can involve placing intermediate flanges on the top and bottom of each section without permanently modifying existing components or using OEM supplied connection points.

The invention relates to the technical field of wind power hoisting construction, and discloses a wind turbine generator hoisting construction tower drum operation system and a construction method thereof. The method comprises the following steps: acquiring initial environment parameters through a multi-source sensor network arranged in a tower hoisting area of the wind turbine generator, and generating a space environment model of the tower hoisting area by adopting a three-dimensional modeling technology; the hoisting area is divided into a plurality of hoisting operation units, tower drum structure state collection operation is executed on each hoisting operation unit, and tower drum displacement characteristics and foundation resonance characteristics are obtained; performing wind load response simulation by using a wind speed measurement value to generate a static wind pressure influence matrix; a planned moving track of the hoisting equipment is obtained, and the advancing sequence of the hoisting equipment during tower drum hoisting on the planned moving track is adjusted; and in the tower drum hoisting process, the dynamic wind pressure influence value is calculated, and the hoisting direction of the hoisting equipment is dynamically corrected based on the dynamic wind pressure influence value and the static wind pressure influence value of the current hoisting operation unit.

The invention discloses a floating type wind power platform, and relates to the technical field of wind power generation, according to the scheme, the floating type wind power platform comprises a semi-submersible floating type platform, a first mooring system, a concrete block, a second mooring system and a stabilization power generation device, the first power end of the stabilization power generation device is connected with the concrete block through the first mooring system, and the second power end of the stabilization power generation device is connected with the seabed through the second mooring system so as to capture wave energy or tidal energy. Due to the fact that the floating type wind power platform is used, wave energy or tidal energy can be captured and converted into electric energy, the energy utilization approach of the floating type wind power platform is expanded, and energy utilization is more sufficient.

Described is a device for offshore arranging of a wind turbine or components thereof on a foundation present at sea. The device includes an elongate superstructure connected releasably to the foundation and extending between a lower surface and an upper surface thereof in the vertical direction from the foundation. The superstructure has an internal space which is accessible to a tower section of the wind turbine and in which the tower section can be received. Further present is a horizontally displaceable supply structure for a tower section. The supply structure is configured to move a tower section coupled thereto from outside the internal space into the internal space by a horizontal displacement. An engaging structure, received for vertical displacement in the internal space, is configured to lift an engaged tower section in the internal space by a vertical displacement, whereby sufficient space is created under the relevant tower section for receiving another, underlying tower section in the internal space.

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.

The invention relates to the technical field of wind power construction equipment, in particular to a wind power tower construction device. The device comprises a lower concentric fixing unit arranged in a fixed wind power tower drum, the lower concentric fixing unit is connected with an upper concentric fixing unit through an adjusting rotary disc, and the lower concentric fixing unit is arranged in the wind power tower drum to be fixed. The upper concentric fixing unit and the lower concentric fixing unit enable the fixed wind power tower tube and the to-be-fixed wind power tower tube to be concentrically arranged, concentric alignment installation of the wind power tower tube is achieved, and the efficiency and safety of butt joint operation are improved.

A device (1) and a method for assembling a wind turbine (WT), the device (1) comprising: an assembling structure (5) comprising; - a space for assembling a tower and a nacelle of a wind turbine (WT), the space being defined by side portions (51, 52, 53, 54) of the assembling structure, - a hoisting device (12, 12') configured for handling the wind turbine tower and for hoist- ing the nacelle onto a top of the wind turbine tower while being positioned within said space, the hoisting device (12, 12') being movably connected to a hoisting device support structure (10) arranged on top of the assembling structure, wherein the device (1) further comprising: - a support arrangement for supporting a portion of the wind turbine at least when being within said space; and - a rotor blade manipulator (20) for bringing rotor blades (R) in contact with the nacelle.