A wind turbine unit variable pitch drive wheel tensioning wheel dismounting tool

Abstract

The utility model relates to wind turbine generator system variable pitch drive wheel tensioning wheel technical field discloses a kind of wind turbine generator system variable pitch drive wheel tensioning wheel dismounting tool, including main body, installation position is opened in main body, and the both ends of main body are symmetrically provided with sliding slot;Adjusting component, adjusting component is set on main body, adjusting component includes sliding block, rack and clamping rod, each sliding block is slidably connected with corresponding sliding slot, rack is symmetrically set on main body, and each rack is fixedly connected with main body;Connecting rod, connecting rod is set in the middle of main body, and connecting rod is self-locking connection with main body, by the mutual cooperation between the internal parts of the device, wind turbine generator system variable pitch drive wheel tensioning wheel is connected clamped, and the device is pulled upward by manpower, the device removes wind turbine generator system variable pitch drive wheel tensioning wheel under the action of force, and the wind turbine generator system variable pitch drive wheel tensioning wheel of different models is adapted, and the burden of manpower is reduced, and work efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the technical field of wind turbine pitch drive wheel tensioner, specifically, it relates to a disassembly tool for a wind turbine pitch drive wheel tensioner. Background Technology

[0002] The variable pitch system of a wind turbine is a system that uses control technology and a power system to change the pitch angle of the wind turbine blades mounted on the hub, thereby altering the aerodynamic characteristics of the blades. Near the rated wind speed, the system adjusts the pitch angle according to wind speed changes to control the absorbed mechanical energy, ensuring maximum energy acquisition (corresponding to the rated power) and reducing the impact of wind on the wind turbine. When the wind speed exceeds the rated speed, feathering can be used to achieve air braking. During grid connection, it can also achieve rapid and shock-free grid connection. The combination of variable pitch control and variable speed constant frequency technology improves the power generation efficiency and power quality of the entire wind power generation system.

[0003] The pitch control system of wind turbines needs to frequently perform pitch adjustments when wind speed and direction change, causing the drive wheel to bear alternating loads for a long time. On-site inspection revealed significant wear problems on the drive wheel, specifically: 1. Abnormal wear of the toothed belt under high load conditions led to bearing failure; 2. Uneven load distribution caused uneven wear of the toothed belt and skewed deformation of the drive wheel. Equipment maintenance faces two major technical bottlenecks: as a core internal component, the drive wheel's hub space is structurally limited, and conventional maintenance lacks specialized tooling; damaged parts experience interference fits due to deformation, and traditional disassembly methods suffer from safety hazards such as missing support points and insufficient operating space. Analysis revealed three major pain points in the current maintenance process: ① lack of suitable specialized disassembly tool sets; ② imbalance between labor input and output; ③ excessive safety risk factors, ultimately resulting in multiple wastes of human, material, and financial resources.

[0004] In view of this, this utility model is hereby proposed. Utility Model Content

[0005] To solve the technical problem of disassembling the tensioner of the pitch drive wheel in wind turbine units, the basic concept of the technical solution adopted by this utility model is as follows:

[0006] A disassembly fixture for the tensioner of a wind turbine pitch drive wheel includes a main body with an installation position and symmetrical grooves at both ends; an adjustment assembly mounted on the main body, comprising sliding blocks, racks, and clamping rods, wherein each sliding block is slidably connected to a corresponding groove, racks are symmetrically mounted on the main body and each rack is fixedly connected to the main body, and the sliding blocks are locked to their corresponding racks; and a connecting rod located in the middle of the main body and self-lockingly connected to the main body.

[0007] In a preferred embodiment of the present invention, each sliding block is slidably connected to a sliding rod, and the sliding rod is fixedly connected to a toothed block, which engages with a rack.

[0008] In a preferred embodiment of the present invention, each of the sliding rods is fitted with a first spring, and the end of each first spring is fixedly connected to the corresponding sliding block and toothed block. A limit rod is threadedly connected to the sliding block, and the limit rod abuts against the main body.

[0009] In a preferred embodiment of this utility model, each of the sliding blocks is fixedly connected to a connecting block, and the connecting block is connected to the corresponding clamping rod by a thread.

[0010] In a preferred embodiment of this utility model, the connecting rod is slidably connected to the main body, and an array of annular grooves are formed on the connecting rod.

[0011] In a preferred embodiment of this utility model, the main body is symmetrically provided with bases, and each base is fixedly connected to the main body.

[0012] In a preferred embodiment of this utility model, a connecting frame is fixedly connected to the main body, the connecting frame is slidably connected to the connecting rod, and a plurality of third springs are fixedly connected to the connecting frame, each of the third springs being fixedly connected to the same movable plate.

[0013] In a preferred embodiment of the present invention, the bottom of the movable plate is symmetrically provided with first abutting blocks, and each first abutting block is fixedly connected to the movable plate, and the first abutting block abuts against a second abutting block.

[0014] In a preferred embodiment of the present invention, each second abutment block is slidably connected to the corresponding base, and a second spring is provided between the corresponding second abutment block and the base. The end of each second spring is fixedly connected to the corresponding base and the second abutment block, and the end of the second abutment block abuts against the corresponding annular groove.

[0015] In a preferred embodiment of this utility model, an assembly frame is symmetrically arranged on the main body, and the assembly frame is connected to the main body by fasteners. The assembly frame is provided with the same structure as the end of the main body.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] 1. This is a disassembly fixture for the tensioner of a wind turbine pitch drive wheel. Through the cooperation of the internal components of this device, the tensioner of the wind turbine pitch drive wheel is connected and clamped. The device is then manually pulled upwards, and the tensioner is removed under the action of force. This fixture is suitable for different models of wind turbine pitch drive wheel tensioners, reduces the burden of manpower, and improves work efficiency.

[0018] 2. This is a disassembly fixture for the tensioner wheel of the wind turbine pitch drive wheel. The slide rod is pulled manually, which causes the toothed block to separate from the rack. The sliding block is pushed to the appropriate position, and the force on the slide rod is released. During the movement, the slide rod compresses the first spring. The first spring applies the deformation force generated by the compression to the toothed block, which meshes with the rack. The meshing restricts the position of the sliding block, preventing the position of the sliding block from changing arbitrarily during operation.

[0019] 3. This wind turbine pitch drive wheel tensioner disassembly fixture is detachably set through the threaded connection between the clamping rod and the connecting block. A clamping rod of appropriate size is installed to adapt to the pitch drive wheel tensioner of different sizes. The limiting rod is threadedly connected to the sliding block and abuts against the main body to limit the position of the sliding block and prevent the position of the sliding block from changing due to accidental contact after adjustment, which would affect the use of the device.

[0020] 4. This wind turbine pitch drive wheel tensioner disassembly fixture, through the cooperation of components such as the movable plate, the first abutment block, and the second abutment block, completes the position adjustment and locking of the main body, and the adjustment work is completed by simple pulling.

[0021] 5. This wind turbine pitch drive wheel tensioner disassembly fixture, when the usage environment is spacious enough, the assembly frame is installed with the main body, and the tensioner of the wind turbine pitch drive wheel is clamped synchronously at the four corners, improving the clamping effect and preventing the tensioner of the wind turbine pitch drive wheel from slipping off. When the usage environment is not spacious, the assembly frame is separated from the main body, reducing the space occupied by this device and increasing the applicability of this device.

[0022] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0023] In the attached diagram:

[0024] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0025] Figure 2 This is a schematic diagram of the main structure of the present utility model;

[0026] Figure 3 This is a schematic diagram of the upper structure of the sliding block of this utility model;

[0027] Figure 4 This is a schematic diagram of the structure between the sliding block and the clamping rod of this utility model;

[0028] Figure 5 This is a schematic diagram of the central structure of the main body of this utility model.

[0029] Figure 6 This is a schematic diagram showing the structural disassembly of the connecting frame and the base of this utility model.

[0030] In the diagram: 1. Connecting rod; 2. Main body; 21. Assembly frame; 3. Sliding block; 31. Rack; 32. Tooth block; 33. Sliding rod; 34. First spring; 35. Limiting rod; 4. Clamping rod; 41. Connecting block; 5. Connecting frame; 51. Movable plate; 52. Third spring; 53. First abutment block; 54. Base; 55. Second abutment block; 56. Second spring. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0032] Please see Figures 1-5 A disassembly fixture for the tensioner of a wind turbine pitch drive wheel includes a main body 2 with an installation position and symmetrical grooves at both ends; an adjustment assembly mounted on the main body 2, comprising sliding blocks 3, racks 31, and clamping rods 4, each sliding block 3 being slidably connected to a corresponding groove, racks 31 being symmetrically arranged on the main body 2 and fixedly connected to the main body 2, with the sliding blocks 3 locked to their corresponding racks 31; and a connecting rod 1 located in the middle of the main body 2 and self-locking to it. Through the cooperation of the internal components, the tensioner of the wind turbine pitch drive wheel is connected and clamped. Manually pulling the fixture upwards removes the tensioner from the wind turbine pitch drive wheel. This fixture is suitable for different models of wind turbine pitch drive wheel tensioners, reducing manual labor and improving work efficiency.

[0033] Each sliding block 3 is slidably connected to a sliding rod 33, and a toothed block 32 is fixedly connected to the sliding rod 33. The toothed block 32 engages with a rack 31. Each sliding rod 33 is fitted with a first spring 34, and the end of each first spring 34 is fixedly connected to the corresponding sliding block 3 and toothed block 32. A limit rod 35 is threadedly connected to the sliding block 3, and the limit rod 35 abuts against the main body 2. Each sliding block 3 is fixedly connected to a connecting block 41, which is threadedly connected to the corresponding clamping rod 4. When the sliding rod 33 is pulled manually, the sliding rod 33 causes the toothed block 32 to separate from the rack 31. When the sliding block 3 is pushed to a suitable position and the force on the sliding rod 33 is released, the sliding rod 33... During movement, the first spring 34 is compressed, and the deformation force generated by the compression is applied to the toothed block 32, which meshes with the rack 31. The meshing restricts the position of the sliding block 3, preventing the position of the sliding block 3 from changing arbitrarily during operation. The clamping rod 4 and the connecting block 41 are detachably connected by a threaded connection. A clamping rod 4 of appropriate size is installed to adapt to the tensioning wheel of the wind turbine pitch drive wheel of different sizes. The limiting rod 35 is threadedly connected to the sliding block 3 and abuts against the main body 2, restricting the position of the sliding block 3 and preventing the position of the sliding block 3 from changing due to accidental contact after adjustment, which would affect the use of the device.

[0034] The connecting rod 1 is slidably connected to the main body 2, and annular grooves are arrayed on the connecting rod 1. Bases 54 are symmetrically arranged on the main body 2, each base 54 being fixedly connected to the main body 2. A connecting frame 5 is fixedly connected to the main body 2, and the connecting frame 5 is slidably connected to the connecting rod 1. Multiple third springs 52 are fixedly connected to the connecting frame 5, and each third spring 52 is fixedly connected to the same movable plate 51. First abutment blocks 53 are symmetrically arranged at the bottom of the movable plate 51, and each first abutment block 53 is fixedly connected to the movable plate 51. Each first abutment block 53 abuts against a second abutment block 55, and each second abutment block 55 is slidably connected to its corresponding base 54. A second spring 56 is arranged between the corresponding second abutment block 55 and the base 54, and the end of each second spring 56 is fixedly connected to both the corresponding base 54 and the second abutment block 55. The end of the second abutment block 55 abuts against its corresponding annular groove. After connecting the connecting rod 1 to the middle of the wind turbine pitch drive wheel tensioner via a threaded connection, the movement is manually pulled upwards. Plate 51, movable plate 51 drives the first abutment block 53, the first abutment block 53 separates from the second abutment block 55, the second abutment block 55 loses its force, the second spring 56 is compressed during the operation of the second abutment block 55, the second spring 56 loses the force of the second abutment block 55 and applies the deformation force generated by the compression to the second abutment block 55, the second abutment block 55 separates from the corresponding annular groove on the connecting rod 1, the main body 2 is moved downward to a suitable position by manpower, and the clamping rod 4 and the wind turbine pitch drive wheel are extended. The edge of the tensioning wheel contacts, releasing the force on the movable plate 51. The deformation force generated by the compression of the third spring 52 by the movable plate 51 is applied to the first abutting block 53. The first abutting block 53 pushes the second abutting block 55, and the second abutting block 55 abuts against the annular groove on the connecting rod 1, restricting the position of the connecting rod 1 and the main body 2. With the cooperation of the movable plate 51, the first abutting block 53, the second abutting block 55 and other components, the position adjustment and locking of the main body 2 are completed. The adjustment work is completed by simple pulling.

[0035] The main body 2 is symmetrically equipped with assembly frames 21, which are connected to the main body 2 by fasteners, including but not limited to bolts. The assembly frames 21 have the same structure as the ends of the main body 2. When the usage environment is spacious enough, the assembly frames 21 are installed on the main body 2, and the tensioning wheels of the wind turbine pitch drive wheel are clamped synchronously at the four corners to improve the clamping effect and prevent the tensioning wheels of the wind turbine pitch drive wheel from slipping off. When the usage environment is not spacious, the assembly frames 21 are separated from the main body 2 to reduce the space occupied by the device and increase the usage range of the device.

[0036] Working principle: After connecting rod 1 to the middle of the tension wheel of the wind turbine pitch drive wheel via a threaded connection, manually pull up the movable plate 51. The movable plate 51 drives the first abutment block 53, separating it from the second abutment block 55. The second abutment block 55 loses its force. During the operation of the second abutment block 55, the second spring 56 is compressed. The second spring 56, without the force of the second abutment block 55, applies the deformation force generated by the compression to the second abutment block 55. The second abutment block 55 separates from the corresponding annular groove on the connecting rod 1. Manually move the main body 2 downward to a suitable position, bringing the clamping rod 4 into contact with the edge of the tension wheel of the wind turbine pitch drive wheel, thus releasing the connection between the movable plate 51 and the second abutment block 55. The force of the movable plate 51, after the third spring 52 is compressed by the movable plate 51, is applied to the first abutting block 53. The first abutting block 53 pushes the second abutting block 55, and the second abutting block 55 abuts against the annular groove on the connecting rod 1, restricting the position of the connecting rod 1 and the main body 2. Through the cooperation of the movable plate 51, the first abutting block 53, the second abutting block 55, and other components, the position adjustment and locking of the main body 2 is completed. The adjustment work is completed by simple pulling. The slide rod 33 is pulled manually, and the slide rod 33 drives the toothed block 32 to separate from the rack 31. The slide block 3 is pushed to the appropriate position by manual force, and the force on the slide rod 33 is released. The slide rod 33 compresses the first abutting block 53 during the movement. Spring 34, the first spring 34, applies the deformation force generated by compression to the toothed block 32, engaging the toothed block 32 with the rack 31. This engagement restricts the position of the sliding block 3, preventing it from changing arbitrarily during operation. It is detachably connected to the clamping rod 4 and the connecting block 41 via a threaded connection. A clamping rod 4 of appropriate size can be installed to adapt to the tensioning wheel of the wind turbine pitch drive wheel of different sizes. The limiting rod 35 is threadedly connected to the sliding block 3 and abuts against the main body 2, restricting the position of the sliding block 3 and preventing accidental changes in its position after adjustment, which could affect the use of the device. This is achieved through the internal mechanism of the device. The components work together to connect and clamp the tensioner of the wind turbine pitch drive wheel. Manually pulling the device upwards removes the tensioner under force. This allows for adaptation to different models of wind turbine pitch drive wheel tensioners, reducing manpower and improving work efficiency. When the application environment is spacious enough, the assembly frame 21 can be installed with the main body 2. The tensioner is clamped synchronously at all four corners, improving the clamping effect and preventing slippage. When the application environment is cramped, the assembly frame 21 can be separated from the main body 2, reducing the space occupied by the device and increasing its usability.

[0037] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are protected by this utility model.

Claims

1. A tooling for disassembling the tensioner of a wind turbine pitch drive wheel, characterized in that, include: The main body (2) has an installation position and symmetrical grooves at both ends. Adjustment component, the adjustment component is set on the main body (2), the adjustment component includes sliding block (3), rack (31) and clamping rod (4), each sliding block (3) is slidably connected to the corresponding slide groove, the rack (31) is symmetrically arranged on the main body (2), and each rack (31) is fixedly connected to the main body (2), the sliding block (3) and the corresponding rack (31) are locked together; Connecting rod (1) is located in the middle of the main body (2) and is self-lockingly connected to the main body (2).

2. The disassembly fixture for the wind turbine pitch drive wheel tensioner as described in claim 1, characterized in that, Each of the sliding blocks (3) is slidably connected to a sliding rod (33), and the sliding rod (33) is fixedly connected to a toothed block (32), which engages with the rack (31).

3. The disassembly fixture for the wind turbine pitch drive wheel tensioner according to claim 2, characterized in that, Each of the slide rods (33) is fitted with a first spring (34), and the end of each first spring (34) is fixedly connected to the corresponding slide block (3) and tooth block (32). A limit rod (35) is threadedly connected to the slide block (3), and the limit rod (35) abuts against the main body (2).

4. The disassembly fixture for the wind turbine pitch drive wheel tensioner according to claim 2, characterized in that, Each of the sliding blocks (3) is fixedly connected to a connecting block (41), and the connecting block (41) is connected to the corresponding clamping rod (4) by a thread.

5. The disassembly fixture for the wind turbine pitch drive wheel tensioner according to claim 1, characterized in that, The connecting rod (1) is slidably connected to the main body (2), and annular grooves are arrayed on the connecting rod (1).

6. The wind turbine pitch drive wheel tensioner disassembly fixture according to claim 1, characterized in that, The main body (2) is symmetrically provided with bases (54), and each base (54) is fixedly connected to the main body (2).

7. The disassembly fixture for the wind turbine pitch drive wheel tensioner according to claim 1, characterized in that, A connecting frame (5) is fixedly connected to the main body (2). The connecting frame (5) is slidably connected to the connecting rod (1). Multiple third springs (52) are fixedly connected to the connecting frame (5). Each third spring (52) is fixedly connected to the same movable plate (51).

8. The wind turbine pitch drive wheel tensioner disassembly fixture according to claim 7, characterized in that, The bottom of the movable plate (51) is symmetrically provided with first abutting blocks (53), and each first abutting block (53) is fixedly connected to the movable plate (51), and the first abutting block (53) abuts against a second abutting block (55).

9. The wind turbine pitch drive wheel tensioner disassembly fixture according to claim 8, characterized in that, Each second abutment block (55) is slidably connected to the corresponding base (54), and a second spring (56) is provided between the corresponding second abutment block (55) and the base (54). The end of each second spring (56) is fixedly connected to the corresponding base (54) and the second abutment block (55), and the end of the second abutment block (55) abuts against the corresponding annular groove.

10. The wind turbine pitch drive wheel tensioner disassembly fixture according to claim 1, characterized in that, Assembly frames (21) are symmetrically arranged on the main body (2). The assembly frames (21) are connected to the main body (2) by fasteners. The assembly frames (21) have the same structure as the end of the main body (2).

Images