CN215927665U - Wind generating set barring gear - Google Patents
Wind generating set barring gear Download PDFInfo
- Publication number
- CN215927665U CN215927665U CN202121026354.5U CN202121026354U CN215927665U CN 215927665 U CN215927665 U CN 215927665U CN 202121026354 U CN202121026354 U CN 202121026354U CN 215927665 U CN215927665 U CN 215927665U
- Authority
- CN
- China
- Prior art keywords
- container
- generator
- impeller
- power cable
- dragging device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a barring gear of a wind generating set, which comprises an impeller, a generator and a dragging device container, wherein the impeller is mechanically connected with the generator, and the dragging device container is electrically connected with the generator. The utility model solves the problems of complex installation and high installation cost in the prior art that an installation platform and a mechanical interface need to be reserved, the structure of a fan product needs to be greatly adjusted, an additional barring gear is needed for driving, and the like.
Description
Technical Field
The utility model relates to the technical field of wind generating set installation, in particular to a barring gear of a wind generating set.
Background
At present, blades of a wind generating set are installed by assembling three blades and a hub into an impeller whole on a wind field machine position ground platform or an offshore operation platform, and then hoisting the impeller whole to a high altitude by using a crane to complete the butt joint work of the impeller.
The single-blade hoisting technology is characterized in that blades and a hub are assembled and upgraded from the ground into an air assembly, a single blade is independently hoisted and is butted and installed with the hub in the air, and three blades of a common fan need to be hoisted for three times. The assembly process requirement of single blade hoist and mount is higher, in order to reduce the high performance requirement of hoist to hoist and mount operation equipment, reduces the high altitude construction risk to minimum, and every blade needs to dock with wheel hub in the horizontal direction, consequently all need to barring wheel hub before every blade installation for the wheel hub installation face axis that docks with the blade is in a certain angle that is close the level. When a single blade is hoisted, the turning gear is needed to rotate the impeller, the impeller at ultrahigh torque can be turned, the axis of the hub installation surface butted with the blade is adjusted to a required position, the hub is adjusted to the position matched with the next blade after one blade is hoisted and installed, and the assembly of three blades is completed successively.
At present, the turning gear of the wind generating set in China is almost only suitable for turning the impeller in a balanced state (namely, three blades are completely installed). For the impeller barring device in the unbalanced state and the ultrahigh torque, no corresponding product exists in China, the imported barring device is complex in structure, complex in installation, high in cost and difficult to maintain, an installation platform and a mechanical interface need to be reserved, and the structure of a fan product needs to be greatly adjusted. Electric barring generally utilizes wind turbine generator system converter to wheel barring under the balanced condition of three blades, to single blade hoist and mount operating mode, wind turbine generator system converter capacity can't satisfy the demand, needs extra barring device to drive. Therefore, a barring gear of the wind generating set needs to be developed so as to meet the requirement of single-blade hoisting of the large-diameter impeller, reduce the hoisting operation area, prolong the hoisting operation window period and reduce the hoisting cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a barring device for a wind generating set, which solves the problems of complex installation and high installation cost in the prior art that an installation platform and a mechanical interface are required to be reserved, the structure of a fan product needs to be greatly adjusted, and an additional barring device is required to drive.
The technical scheme adopted by the utility model for solving the problems is as follows:
the utility model provides a wind generating set barring gear, includes impeller, generator, drive device container, the impeller with generator mechanical connection, drive device container with generator electrical connection.
The impeller is mechanically connected with the generator, the dragging device container is electrically connected with the generator, and meanwhile, the mechanical connection and the electrical connection of the generator are realized. The generator drives the impeller to rotate under the operation of the control device in the container of the dragging device, so that the turning function is realized. After the barring is in place, the impeller is kept at a given position through direct-current torque, and the operation of fixing the hub and subsequently installing the blades is facilitated. Compared with the prior art that the impeller is connected by the hydraulic device, the operation of opening the mounting hole, additionally adding an electrical interface and the like is omitted, and the large structural adjustment of the impeller, the generator and the like is not needed, so that the structure is simple, and the operation is simple and convenient. The installation platform and the mechanical interface are not required to be reserved, the structure of the fan product is not required to be greatly adjusted, and an additional barring gear is not required to be driven, so that the problems of complexity in installation and high installation cost are solved.
In conclusion, the barring device for the wind generating set can realize barring of the impeller which is in an unbalanced state and is in an ultrahigh torque state, is convenient for sequentially adjusting the axis of the hub installation surface butted with the impeller to a horizontal position in the barring process, and further realizes horizontal hoisting of a single blade of the wind generating set; the structure is simple, the installation and the operation are convenient, the maintenance is simple, the impeller in an unbalanced state and in an ultrahigh torque can be turned, and the single-blade hoisting of the wind generating set in a horizontal position is realized.
As a preferable technical scheme, the container dragging device further comprises a first power cable, and the container dragging device is electrically connected with the generator through the first power cable.
This makes the drive device container through first power cable with the generator realizes electric connection, is favorable to guaranteeing the good transmission of electric power.
As a preferable technical solution, the device further comprises a cabin, and the dragging device container is arranged on the cabin.
This reduces the distance between the container of the towing device and the generator, which is beneficial to the arrangement of cables and the reduction of the sectional area of the cables, thereby completing the power transmission more energy-saving and more space-saving.
As a preferred technical solution, the dragging device container is arranged on the top of the cabin.
The cable is more convenient to arrange, and the cabin provides support for the dragging device container, and the device is convenient to install and construct.
As a preferred technical scheme, the device further comprises a support, and the dragging device container is fixedly connected with the cabin through the support.
This facilitates securing the towing means container to the nacelle while providing a support for the towing means container, facilitating the reduction of sloshing of the towing means container.
As a preferred technical solution, the wind turbine further comprises a tower whose bottom is connected to the ground, and the top of the tower is connected to the nacelle.
The tower provides support for the nacelle while also providing a distance above the ground which facilitates the impeller to be raised a distance above the ground. Through the setting to the height of a tower section of thick bamboo, convenience when can realizing the impeller installation.
As a preferred technical scheme, the container dragging device further comprises a transfer box arranged on the tower barrel, a second power cable is electrically connected to the container dragging device, a third power cable is electrically connected to the container diesel generator, and the second power cable is electrically connected with the third power cable through the transfer box.
The transfer box is favorable for realizing the connection of the second power cable and the third power cable, provides reliable and safe guarantee for the electric connection of the container of the dragging device and the container of the diesel generator, plays a role in buffering connection, and reduces the risks of difficult cable-overweight field laying, cable winding, breaking, short circuit and the like caused by the direct connection of the second power cable and the third power cable due to overlong length.
As a preferred technical scheme, the container of the dragging device is connected with a power supply, and the power supply is a diesel generator container or a power grid.
The power supply is a diesel generator container or a power grid, so that the device can be suitable for wider application scenes, and the selectable space of the source of the power supply of the container of the dragging device is larger.
As a preferred technical solution, the diesel generator container is located on the ground, on the top of the towing device container or on the sea surface.
This makes the location of diesel generator container have bigger optional space for the application scope of this device is wider.
As a preferred technical scheme, the device also comprises a position and speed detection device connected to the generator, wherein the position and speed detection device is used for detecting the position and speed of the generator, and the position and speed detection device is electrically connected with the dragging device container to realize the accurate control of the turning gear.
The speed and the position are controlled by the position and speed detection device, and the impeller rotates at a constant rotating speed in the turning process, so that the safety of blades and a unit is facilitated; the position and speed detection device is convenient for monitoring the position and speed of the impeller in time, and improves the control precision of the turning gear, so that the device is electrified and automated.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the impeller is mechanically connected with the generator, the container of the dragging device is electrically connected with the generator, and meanwhile, the mechanical connection and the electrical connection of the generator are realized. Compared with the prior art that the impeller is connected by adopting a hydraulic device, the operation of opening a mounting hole, additionally adding an electrical interface and the like is omitted, and the large structural adjustment of the impeller, a generator and the like is not needed, so that the structure is simple and the operation is simple and convenient; the installation platform and the mechanical interface are not required to be reserved, the structure of the fan product is not required to be greatly adjusted, and an additional barring gear is not required to be driven, so that the problems of complexity in installation and high installation cost are solved;
(2) the device can realize the barring of the impeller which is in an unbalanced state and is in ultrahigh torque, is convenient for sequentially adjusting the axis of the hub mounting surface butted with the impeller to a horizontal position in the barring process, and further realizes the horizontal hoisting of the single blade of the wind generating set; the structure is simple, the installation and the operation are convenient, the maintenance is simple, the impeller which is in an unbalanced state and is in an ultrahigh torque can be turned, and the single-blade hoisting of the wind generating set in a horizontal position is realized;
(3) the container of the dragging device is electrically connected with the generator through the first power cable; the container of the dragging device is electrically connected with the generator through the first power cable, so that the good transmission of electric power is ensured;
(4) the utility model also comprises a cabin, wherein the dragging device container is arranged on the cabin; the distance between the container of the dragging device and the generator is reduced, the arrangement of cables is facilitated, the sectional area of the cables is reduced, and therefore power transmission is completed more energy-saving and more space-saving;
(5) the container of the dragging device is arranged at the top of the cabin, so that cables are more conveniently arranged, and the cabin provides support for the container of the dragging device, so that the container of the dragging device is convenient to install and construct;
(6) the utility model also comprises a bracket, wherein the dragging device container is fixedly connected with the engine room through the bracket; the container of the dragging device is favorably fixed with the engine room, and simultaneously, a support is provided for the container of the dragging device, so that the shaking of the container of the dragging device is conveniently reduced;
(7) the tower of the present invention provides support for the nacelle while allowing the nacelle to be a distance above the ground, which facilitates the impeller to be a distance above the ground. The convenience in mounting the impeller can be realized by setting the height of the tower barrel;
(8) the transfer box is beneficial to realizing the connection of the second power cable and the third power cable, provides reliable and safe guarantee for the electric connection of the container of the dragging device and the container of the diesel generator, plays a role in buffering connection, and reduces the risks of difficult cable overweight field laying, cable winding, breaking, short circuit and the like caused by direct connection due to overlong second power cable and third power cable;
(9) the power supply of the container is a diesel generator container or a power grid, so that the container can be applied to wider application scenes, and the selectable space of the source of the power supply of the container of the dragging device is larger;
(10) the container of the diesel generator is arranged on the ground, the top of the container of the dragging device or on the sea surface; the diesel generator container has larger selectable space, so that the device has wider application range;
(11) according to the utility model, the dual control of speed and position is realized through the position and speed detection device, and the impeller rotates at a constant rotating speed in the turning process, so that the safety of blades and a unit is facilitated; the position and speed detection device is convenient for monitoring the position and speed of the impeller in time, and improves the control precision of the turning gear, so that the device is electrified and automated.
Drawings
FIG. 1 is one of the schematic structural views of the present invention (offshore unit hoisting-with diesel generator arrangement);
FIG. 2 is a second schematic diagram of the present invention (onshore unit installation-with diesel generator arrangement);
FIG. 3 is a schematic diagram of the grid power supply arrangement of the present invention;
FIG. 4 is a schematic view of the diesel generator container overhead arrangement of the present invention;
FIG. 5 is a schematic view of the electrical principle of the utility model for the underneath placement of a diesel generator container;
FIG. 6 is a schematic diagram of the electrical principle of the diesel generator container overhead of the present invention;
fig. 7 is an electrical schematic diagram of the barring gear of the utility model for supplying power directly to the electrical network.
Reference numbers and corresponding part names in the drawings: 1-impeller, 2-generator, 3-first power cable, 4-dragging device container, 5-engine room, 6-second power cable, 7-tower, 8-transfer box, 9-diesel generator container, 10-sling ship, 11-third power cable, 12-support, 13-control cable, 14-position and speed detection device.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
Example 1
As shown in fig. 1 to 7, a barring gear of a wind generating set comprises an impeller 1, a generator 2 and a dragging device container 4, wherein the impeller 1 is mechanically connected with the generator 2, and the dragging device container 4 is electrically connected with the generator 2.
The impeller 1 is mechanically connected with the generator 2, the dragging device container 4 is electrically connected with the generator 2, and meanwhile, the mechanical connection and the electrical connection of the generator 2 are realized. The generator 2 is operated by a control device in the container 4 of the dragging device, and the generator 2 drives the impeller 1 to rotate, so that the turning function is realized. After the barring is in place, the impeller 1 is kept at a given position through direct-current torque, and the operation of fixing the hub and subsequently installing the blades is facilitated. Compared with the prior art that the impeller 1 is connected by the hydraulic device, the operation of opening the mounting hole, additionally adding an electrical interface and the like is omitted, and the large structural adjustment of the impeller 1, the generator 2 and the like is not needed, so that the structure is simple, and the operation is simple and convenient. The installation platform and the mechanical interface are not required to be reserved, the structure of the fan product is not required to be greatly adjusted, and an additional barring gear is not required to be driven, so that the problems of complexity in installation and high installation cost are solved.
In conclusion, the barring device for the wind generating set can realize barring of the impeller 1 in an unbalanced state and in an ultrahigh torque state, is convenient for sequentially adjusting the axis of the hub installation surface butted with the impeller 1 to a horizontal position in the barring process, and further realizes horizontal hoisting of a single blade of the wind generating set; the structure is simple, the installation and the operation are convenient, the maintenance is simple, the impeller 1 in an unbalanced state and in an ultrahigh torque can be turned, and the single-blade hoisting of the wind generating set in a horizontal position is realized.
As a preferable technical solution, the container further comprises a first power cable 3, and the dragging device container 4 is electrically connected with the generator 2 through the first power cable 3.
This makes the actuator container 4 through the first power cable 3 with the generator 2 realizes electric connection, is favorable to guaranteeing that the electric energy more conveniently is transmitted to the generator 2 by the actuator container 4.
As a preferable technical solution, the device further comprises a cabin 5, and the dragging device container 4 is arranged on the cabin 5.
This reduces the distance between the container 4 of the towing device and the generator 2, which is advantageous for arranging cables and reducing the cross-sectional area of the cables, thereby completing power transmission more energy-saving and more space-saving.
As a preferred solution, the towing installation container 4 is arranged on top of the nacelle 5.
This is more convenient for arranging the cable, and cabin 5 provides the support for towing attachment container 4 moreover, easy to assemble, construction convenience.
As a preferable technical solution, the system further comprises a support 12, and the dragging device container 4 and the nacelle 5 are fixedly connected through the support 12.
This facilitates securing the towing means container 4 to the nacelle 5 while providing a support for the towing means container 4, facilitating the reduction of sloshing of the towing means container 4.
As a preferred technical solution, the wind turbine further comprises a tower 7 connected to the ground at the bottom, and the top of the tower 7 is connected to the nacelle 5.
The tower 7 provides support for the nacelle 5 while keeping the nacelle 5 a distance above the ground, which facilitates the impeller 1 to be located a distance above the ground. Through the setting to the height of a tower section of thick bamboo 7, convenience when can realizing the installation to impeller 1.
As a preferred technical scheme, the device further comprises an adapter box 8 arranged on the tower 7, the dragging device container 4 is electrically connected with a second power cable 6, the diesel generator container 9 is electrically connected with a third power cable 11, and the second power cable 6 is electrically connected with the third power cable 11 through the adapter box 8.
The transfer box 8 is favorable for realizing the connection of the second power cable 6 and the third power cable 11, provides reliable and safe guarantee for the electric connection of the dragging device container 4 and the diesel generator container 9, plays a role in buffer connection, and reduces the risks of cable winding, breakage, short circuit and the like caused by the overlong direct connection of the second power cable 6 and the third power cable 11. Preferably, the adapter box 8 is arranged at the lower position of the tower 7, so that the operation is more convenient.
Example 2
As shown in fig. 1 to 7, as a further optimization of embodiment 1, this embodiment includes all the technical features of embodiment 1, and in addition, this embodiment further includes the following technical features:
as a preferred technical scheme, the container 4 of the dragging device is connected with a power supply, and the power supply is a diesel generator container 9 or a power grid.
The power supply is a diesel generator container 9 or a power grid, which enables the device to be applicable to wider application scenarios, and enables the selectable space of the source of the power supply of the dragging device container 4 to be larger.
As a preferred solution, the diesel generator container 9 is arranged on the ground, on the top of the towing installation container 4 or on the sea surface.
This allows a larger space for the diesel generator container 9 to be located, which allows a wider range of applications for the device. Preferably, if the wind farm location is a ground platform, the diesel generator container 9 may be disposed on the ground; if the wind field machine is an offshore operation platform, the diesel generator container 9 can be arranged on the sling 10 (the sling 10 and other devices are better on the sea surface), or the diesel generator container 9 is directly arranged on the upper part of the dragging device container 4.
As a preferred technical solution, the system further comprises a position and speed detecting device 14 connected to the generator 2, wherein the position and speed detecting device 14 is used for detecting the rotating position and speed of the generator 2, and the position and speed detecting device 14 is electrically connected to the dragging device container 4.
The position and speed detection device 14 is used for realizing double control of speed and position, and the impeller 1 keeps rotating at a constant rotating speed in the turning process, so that the safety of blades and a unit is facilitated; the position and speed detection device 14 is convenient for monitoring the position and speed of the impeller 1 in time, and improves the control precision of the barring gear, so that the device is electrified and automated.
Example 3
As shown in fig. 1 to 7, this example provides a more detailed implementation scheme on the basis of examples 1 and 2.
A wind generating set barring gear comprises a dragging device container 4, wherein the dragging device container 4 is arranged on the top of a cabin 5, the dragging device container 4 is connected to a generator 2 and a position and speed detection device 14 through a first power cable 3 (a machine side low-voltage power cable is preferred in the embodiment) and a control cable 13, and the dragging device container 4 can be powered by a diesel generator or an external power grid. The towing installation container 4 is connected to a power supply via a second power cable 6 and a third power cable 11.
Alternatively, the second power cable 6 and the third power cable 11 may be high voltage cables.
For the convenience of field operation, the adapter box 8 is used at the bottom of the tower 7 to connect the second power cable 6 with the third power cable 11.
Optionally, if a diesel generator is used for supplying power, and the diesel generator container 9 is arranged on the ground or sea surface hoisting ship 10 (the diesel generator container 9 is arranged below), the diesel generator container 9 is suggested to comprise a diesel generator, a step-up transformer and the like; if the diesel generator container 9 is disposed above the towing device container 4 (the diesel generator container 9 is disposed on top), the diesel generator container 9 includes a diesel generator.
Optionally, the diesel generator container 9 arranged at the bottom of the tower 7 contains a diesel generator, a step-up transformer and the like.
As a further design, the dragging device container 4 includes a dragging device and a cooling device thereof, a machine side switch, a network side switch, a step-down transformer, and the like. As a specific design, the dragging device can be composed of devices such as IGBT/IGCT or MOSFET, and can adopt an AC-AC frequency conversion or AC-DC frequency conversion technology.
Furthermore, the dragging device can realize the functions of constant-speed rotation and hovering positioning of the impeller in different forms (without blades, with one blade and with two blades) in clockwise and anticlockwise directions through position control. The hovering positioning function means that the blade is controlled by the barring gear to stop the impeller at a specified position.
As a further design, the towing device container 4 and the nacelle 5 are fixed by using a bracket 12. The support 12 is a four-legged support structure, although other structures may be used.
As a further design, the voltage supply of the container 4 of the towing installation can be rated according to the capacity of the unit. The container 4 of the dragging device and the power supply adopt various voltages (0.4 kV-35 kV) for transmission.
As a further design, the power supply source adopts a diesel generator for power supply, and can also adopt a power grid for direct power supply or other modes for power supply.
Optionally, the diesel generator has the characteristic of flexibility and mobility, and is suitable for places with power supply difficulties of power grids such as open sea.
Optionally, the cabin equipment (brakes, locking pins, generator coolers, etc.) is powered by the towing equipment container 4. The nacelle 5 is typically powered by a step down transformer or a separate auxiliary transformer within the towing installation container 4.
As a further design, the position and speed detection device 14 is used for electric barring control. The position and speed detecting device 14 can be directly installed on the machine set, or can be replaced when a single-blade disc vehicle is carried out as a tool, and the tool is replaced after the hoisting is finished.
The turning device can realize turning of the wind wheel in an unbalanced state and at ultrahigh torque, so that the axis of the hub mounting surface butted with the blades is sequentially adjusted to a horizontal position, and further the horizontal hoisting of the single blade of the wind generating set is realized, meanwhile, the turning device is flexible and convenient, can realize the forward/reverse free rotation of the impeller, and is suitable for wind generating set models with different sizes in a certain range; the wind wheel turning device is simple in structure, convenient to install and operate and simple to maintain, can turn the wind wheel in an unbalanced state and at ultrahigh torque, and achieves the effect that the wind generating set carries out single-blade hoisting at a horizontal position.
In this embodiment, through having solved the problem that present wind generating set blade assembly need hoist the assembly again after the assembly is complete to generating set barring device, can realize hoisting wheel hub back independent hoist and mount every blade through barring device, simultaneously, utilize the effectual security performance that improves the assembly of device's design, especially at the in-process of hoisting to whole impeller device, three blade adds wheel hub, the weight of hoist and mount has been increaseed, its danger coefficient is very high, and the effectual weight of hoist and mount of having solved of this design, to the operation, its simple operation, the trouble of site operation has also been solved.
As described above, the present invention can be preferably realized.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (10)
1. The barring gear of the wind generating set is characterized by comprising an impeller (1), a generator (2) and a dragging device container (4), wherein the impeller (1) is mechanically connected with the generator (2), and the dragging device container (4) is electrically connected with the generator (2).
2. A wind turbine generator system barring gear according to claim 1, characterised in that it further comprises a first power cable (3), and that the towing gear container (4) is electrically connected to the generator (2) by means of the first power cable (3).
3. Wind turbine generator system barring gear according to claim 1, characterised in that it further comprises a nacelle (5), said dragging device container (4) being provided on said nacelle (5).
4. Wind turbine generator system barring gear according to claim 3, characterised in that the towing gear container (4) is placed on top of the nacelle (5).
5. Wind turbine generator system barring gear according to claim 4, characterised in that it further comprises a bracket (12), wherein the towing gear container (4) is fixedly connected to the nacelle (5) by means of the bracket (12).
6. The barring device according to claim 5, further comprising a tower (7) connected at the bottom to the ground, wherein the top of the tower (7) is connected to the nacelle (5).
7. The barring gear of the wind generating set according to claim 6 further comprising a transfer box (8) arranged on the tower (7), wherein the dragging device container (4) is electrically connected with a second power cable (6), the diesel generator container (9) is electrically connected with a third power cable (11), and the second power cable (6) is electrically connected with the third power cable (11) through the transfer box (8).
8. Wind turbine generator system barring gear according to claim 1, characterised in that the towing gear container (4) is connected to a power supply, the power supply being a diesel generator container (9) or a power grid.
9. Wind turbine generator system barring gear according to claim 8, characterized in that the diesel generator container (9) is located on the ground, on top of the towing gear container (4) or on the sea surface.
10. A wind turbine generator system barring gear according to any one of claims 1 to 9 further comprising a position and speed detection means (14) connected to the generator (2), the position and speed detection means (14) being adapted to detect the position and speed of the generator (2), the position and speed detection means (14) being electrically connected to the towing gear container (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026354.5U CN215927665U (en) | 2021-05-14 | 2021-05-14 | Wind generating set barring gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121026354.5U CN215927665U (en) | 2021-05-14 | 2021-05-14 | Wind generating set barring gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927665U true CN215927665U (en) | 2022-03-01 |
Family
ID=80401728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121026354.5U Active CN215927665U (en) | 2021-05-14 | 2021-05-14 | Wind generating set barring gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215927665U (en) |
-
2021
- 2021-05-14 CN CN202121026354.5U patent/CN215927665U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9651020B2 (en) | Portable crane for use in wind turbines | |
| US7126236B2 (en) | Methods and apparatus for pitch control power conversion | |
| US7582977B1 (en) | Extendable rotor blades for power generating wind and ocean current turbines within a module mounted atop a main blade | |
| US7355294B2 (en) | Method and system for wind turbine blade movement | |
| CN106685001B (en) | Charging system is affiliated to for multi-rotor unmanned aerial vehicle | |
| WO2012078494A1 (en) | Wind turbine with a nacelle having an underslung transformer | |
| WO2008069818A1 (en) | Portable hub crane for wind turbine components | |
| KR20180019499A (en) | How wind turbines operate without grid linkage and wind turbines | |
| JP2002519588A (en) | DC local grid for wind farms | |
| US20090250938A1 (en) | Wind turbine incorporated in an electric transmission tower | |
| EP3617498B1 (en) | Methods of rotating a hub of a wind turbine | |
| CN106208911A (en) | A kind of based on wind-light storage hybrid power floating marine charging pile | |
| CN216842036U (en) | Sawtooth-shaped trailing edge flap for load shedding and noise reduction of wind turbine | |
| CN215927665U (en) | Wind generating set barring gear | |
| CN109058045A (en) | A kind of control system and method for Wind turbines dehumidifier | |
| US11905143B2 (en) | Method for handling a wind turbine component with a control arrangement | |
| CA2748766C (en) | Downwind type wind turbine | |
| CA3216199A1 (en) | Crane assemblies and methods for erecting towers and wind turbines | |
| KR102364924B1 (en) | Phtovoltaic assembly using height adjusting type structure | |
| EP3503381B1 (en) | Methods for providing electrical power to wind turbine components | |
| EP4306798A1 (en) | Cabins and methods for wind turbine maintenance | |
| DK181072B1 (en) | A Novel Blade with Aviation Obstruction Beacon | |
| CN216351294U (en) | Monitoring station suitable for meteorological detection | |
| AU2021104142A4 (en) | Apparatus for powering an electrical load | |
| CN219989212U (en) | Control device for controlling lifting of driver's desk cover plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |