Operation and maintenance tool for wind power generator

Through the operation and maintenance workpiece of wind power generators, the shaft system is used as a fixing point, combined with the base, support column and translation device, the efficient disassembly and installation of internal components of the wind power nacelle is achieved, solving the problem of time-consuming and susceptible to weather in the existing technology, and improving operation and maintenance efficiency and stability.

CN223073788UActive Publication Date: 2025-07-08JULI SLING STOCK CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421957709.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-07-08
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

The existing wind power generator operation and maintenance methods are time-consuming, require a lot of human resources, and are susceptible to weather factors, making it difficult to efficiently replace and hoist the internal parts of the cabin.

Method used

The wind power generator operation and maintenance tooling is adopted, the shaft system is used as a fixing point, combined with the base, support column, beam and translation device, the generator angle and height are adjusted through hand-pulled hoists to realize internal disassembly and installation, avoiding electrical control and hydraulic assistance.

Benefits of technology

It improves operation and maintenance efficiency, reduces manpower and financial costs, ensures that operations are not affected by the weather, has strong structural stability, and is suitable for a variety of weather conditions.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223073788U_ABST
    Figure CN223073788U_ABST
Patent Text Reader

Abstract

The utility model discloses a wind power generator operation and maintenance tool which comprises a base, a supporting column and a steel wire rope assembly, the base is fixedly connected with the supporting column, the supporting column is connected with a cross beam, a pulley block and a track are installed on the cross beam, and a translation device and a steel wire rope commutator are installed on the track. One end of the steel wire rope assembly penetrates through the pulley block, the cross beam and the steel wire rope reverser to be connected and fastened with the translation device, the translation device comprises a walking wheel embedded in the track, a lower shackle connected with the track is installed at the bottom of the walking wheel, the lower shackle is connected with a hanging belt, the other end of the hanging belt is connected with a chain block, and the chain block is connected with a hanging seat through a hanging seat upper shackle; the hanger is used for connecting a generator. The generator can move in the horizontal direction by operating the chain block of the steel wire rope, operation can be directly carried out in a cabin, manpower and financial resources are saved, the device is not influenced by weather factors, and compared with a traditional hoisting mode, the device is more convenient and faster to use and higher in efficiency and stability.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of wind turbine generators, in particular to a wind turbine generator operation and maintenance tool. Background Art

[0002] In recent years, my country's wind power has developed rapidly, with more and more wind turbine models and larger and larger dimensions. According to the actual situation, after years of continuous operation, many parts inside the wind turbine cabin are worn and aged, and need to be replaced in time, otherwise it will have a very bad impact on the wind turbine system and the environment. According to the previous operation and maintenance method, the cabin top cover is removed, and the damaged parts in the cabin are transferred by tower crane or large lifting ship. This method takes a long time and involves the adjustment of the variable pitch system, turning system, and yaw system. All these tasks need to be completed before the lifting begins. Invisibly, a lot of time and human resources are occupied. In addition, the weather has a great impact on the lifting process (rain, dense fog, strong wind). Utility Model Content

[0003] The purpose of the utility model is to provide a wind turbine generator operation and maintenance tool that can be operated directly inside the cabin, which not only saves a lot of manpower and financial resources, but is also not affected by weather factors. The lifting method is more convenient, faster, more efficient, and more stable, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind turbine generator operation and maintenance tool, comprising a base A, a support column A, a wire rope assembly, a beam A, a base B, a support column B and a beam B, wherein the base A is fixedly connected to the support column A, the upper end of the support column A is fixedly connected to the beam A, and a pulley block is installed on the beam A; the beam A is also fastened to a stabilizing frame, and the stabilizing frame is used to connect the shaft system lifting lug; the base B is connected and fastened to the support column B after being connected and fastened to the M90 ​​threaded hole of the shaft system, and the upper end of the support column B is fixedly connected to the beam B; rails are installed on the beams B and the beam A, and a translation device and a wire rope commutator are installed on the rails; one end of the wire rope assembly passes through the pulley block, the beam A, the beam B, the wire rope commutator and is connected and fastened to the translation device, and the other end of the wire rope assembly is connected to a fixing piece, and the fixing piece is connected and fastened to the M56 threaded hole of the shaft system.

[0005] Preferably, the translation device includes a traveling wheel embedded in the track, a lower shackle connected to the track is installed at the bottom of the traveling wheel, a sling is connected to the lower shackle, the other end of the sling is connected to a hand winch, the hand winch is connected to the hanger through the shackle on the hanger, and the hanger is used to connect the generator.

[0006] Preferably, the base A, support column A, beam A, base B, support column B and beam B are provided in two front and rear groups.

[0007] Preferably, the base A is firmly connected to the shafting and serves as the left main load-bearing component and the basic point of the building mechanism.

[0008] Preferably, the track adopts an H-shaped steel structure that facilitates the forward and backward movement of the translation device.

[0009] Preferably, a connecting beam is provided at the rightmost end of the track, and the connecting beam is used to connect the right ends of the two tracks together.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] For this wind power generator operation and maintenance tooling, the shafting is used as the fixed point as a whole, the support height is reduced, and the structural stability is enhanced. The translation device uses a chain block to instantaneously adjust the angle and height of the generator to ensure the smooth disassembly and installation of fasteners such as bolts. Moreover, the tooling can be assembled and operated inside the nacelle, is not affected by weather and environmental factors, does not require electro-hydraulic assistance, is convenient for transportation, has strong stability, low manufacturing cost, and high efficiency. Description of the Drawings

[0012] Figure 1 is the front view of the present utility model;

[0013] Figure 2 is the side view of the present utility model;

[0014] Figure 3 is the top view of the present utility model.

[0015] In the figure: 1. Base A; 2. Support column A; 3. Fixing piece; 4. Steel wire rope assembly; 5. Pulley block; 6. Cross beam A; 7. Stabilizer; 8. Track; 9. Cross beam B; 10. Support column B; 11. Base B; 12. Translation device; 13. Steel wire rope commutator; 14. Lower shackle; 15. Suspender; 16. Chain block; 17. Upper shackle of the hanging seat; 18. Hanging seat; 19. Connecting beam. Detailed Embodiments

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0017] Please refer to Figures 1-3, A maintenance tool for a wind power generator in this embodiment includes a base A1, a support column A2, a wire rope assembly 4, a cross beam A6, a base B11, a support column B10, and a cross beam B9. Among them, there are two sets of the base A1, the support column A2, the cross beam A6, the base B11, the support column B10, and the cross beam B9, with a large overall span and high stability. Specifically, first, the base A1 is firmly connected to the shafting to serve as the main stress-bearing component on the left side and the basic point of the building mechanism. Then, the base A1 is fixedly connected to the support column A2. The upper end of the support column A2 is fixedly connected to the cross beam A6. A pulley block 5 is installed on the cross beam A6 for passing around the wire rope assembly 4. A stabilizing frame 7 is also firmly connected to the cross beam A6, and the stabilizing frame 7 is used to connect the shafting lug. Among them, after the base B11 is threadedly connected and fastened to the threaded hole of the shafting M90, it is fixedly connected to the support column B10. The upper end of the support column B10 is fixedly connected to the cross beam B9. A track 8 is installed on the cross beam B9 and the cross beam A6, and a translation device 12 and a wire rope commutator 13 are installed on the track 8. Among them, the track 8 adopts an H-shaped steel structure that facilitates the forward and backward movement of the translation device 12. A connecting beam 19 is provided at the rightmost end of the track 8, and the connecting beam 19 is used to connect the right ends of the two tracks 8 to ensure the overall stability of the two track beams. One end of the wire rope assembly 4 passes through the pulley block 5, the cross beam A6, the cross beam B9, the wire rope commutator 13 and is fixedly connected to the translation device 12. The other end of the wire rope assembly 4 is connected to a fixing member 3, and the fixing member 3 is threadedly connected and fastened to the threaded hole of the shafting M56. Among them, the translation device 12 includes a traveling wheel embedded in the track 8. A lower shackle 14 connected to the track 8 is installed at the bottom of the traveling wheel. A sling 15 is connected to the lower shackle 14. The other end of the sling 15 is connected to a manual hoist 16. The manual hoist 16 is connected to a suspension seat 18 through a suspension seat upper shackle 17. The suspension seat 18 is used to connect the generator. By operating the manual hoist 16 connected to the wire rope assembly 4, the horizontal movement of the generator is realized.

[0018] In this embodiment, the entire main body of the maintenance tool for the wind power generator adopts an assembled structure, which not only has a large span, high stability, but also is light in weight. The overall tool is a gantry beam structure, which can be disassembled and transported. There are threaded holes on each component, which is convenient for screwing in lifting ring screws. It is easy to disassemble using slings and lifting ring screws, saving operation time and reducing the risk of structural operations.

[0019] In addition, the present utility model uses the shafting as a fixed point, reducing the support height and strengthening the structural stability. The translation device 12 uses a manual hoist 16 to immediately adjust the angle and height of the generator to ensure the smooth disassembly and installation of fasteners such as bolts. The entire tool can be assembled and operated inside the engine room, without being affected by weather and environmental factors.

[0020] It should be noted that in this text, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0021] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A maintenance tool for a wind power generator, comprising a base A (1), a support column A (2), a wire rope assembly (4), a cross beam A (6), a base B (11), a support column B (10), and a cross beam B (9), characterized in that: The base A (1) is fixedly connected to the support column A (2), the upper end of the support column A (2) is fixedly connected to the cross beam A (6), and a pulley block (5) is installed on the cross beam A (6); the cross beam A (6) is also firmly connected to a stabilizing frame (7), and the stabilizing frame (7) is used to connect the shafting lifting lug; after the base B (11) is threadedly connected and fastened to the shafting M90, it is fixedly connected to the support column B (10), and the upper end of the support column B (10) is fixedly connected to the cross beam B (9); a track (8) is installed on the cross beam B (9) and the cross beam A (6), and a translation device (12) and a wire rope commutator (13) are installed on the track (8); one end of the wire rope assembly (4) passes through the pulley block (5), the cross beam A (6), the cross beam B (9), the wire rope commutator (13) and is fixedly connected to the translation device (12), and the other end of the wire rope assembly (4) is connected to a fixing member (3), and the fixing member (3) is threadedly connected and fastened to the shafting M56.

2. The maintenance tool for a wind power generator according to claim 1, wherein: The translation device (12) includes a traveling wheel embedded on the track (8), a lower shackle (14) connected to the bottom of the traveling wheel and connected to the track (8), a sling (15) is connected to the lower shackle (14), the other end of the sling (15) is connected to a chain block (16), and the chain block (16) is connected to a suspension seat (18) through a suspension seat upper shackle (17), and the suspension seat (18) is used to connect the generator.

3. The maintenance tool for a wind power generator according to claim 1, wherein: There are two sets of the base A (1), the support column A (2), the cross beam A (6), the base B (11), the support column B (10) and the cross beam B (9) in the front and back.

4. The maintenance tool for a wind power generator according to claim 1, characterized in that: The base A (1) is connected and fastened to the shafting and serves as the left main stress-bearing component and the basic point of the building mechanism.

5. A maintenance tool for a wind power generator according to claim 1, characterized in that: The track (8) is made of an H-shaped steel structure that facilitates the forward and backward movement of the translation device (12).

6. The wind power generator operation and maintenance tooling according to claim 1, characterized in that: A connecting beam (19) is provided at the rightmost end of the track (8), and the connecting beam (19) is used to connect the right ends of the two tracks (8) together.