Tool for replacing high-speed shaft of gearbox of wind generating set

Abstract

The utility model discloses a tool for replacing a high-speed shaft of a gearbox of a wind generating set in the technical field of maintenance and repair of the high-speed shaft of the gearbox of the wind generating set, which comprises a gantry tool frame, moving frames are connected to two sides above the outer wall of the gantry tool frame in a sliding manner, and a U-shaped seat is mounted at the bottom of the gantry tool frame. The front ends and the rear ends of the two sets of movable frames are provided with the telescopic supporting legs respectively, the telescopic supporting legs are arranged above the outer wall of the gantry tool frame in a sliding mode, and according to the specification and the size of the high-speed shaft of the gearbox of the wind generating set, the telescopic supporting legs are arranged on the upper portion of the gantry tool frame in a sliding mode. The height of the gantry tool frame is effectively adjusted through the telescopic supporting legs, meanwhile, the distance between the two sets of movable frames only needs to be adjusted in a front-back push-pull mode, and the situation that the replacement operation is affected due to the fact that a wind generating set gearbox high-speed shaft replacement tool cannot be effectively adjusted is avoided as much as possible.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance and repair of a high-speed shaft of a gear box of a wind generator set, in particular to a tool for replacing a high-speed shaft of a gear box of a wind generator set. Background Art

[0002] The high-speed shaft of the wind turbine gearbox is a key component connecting the wind turbine rotor and the electric generator. Its main function is to convert the low speed of the wind turbine rotor into the high speed required by the electric generator. When the high-speed shaft of the wind turbine gearbox is replaced, the corresponding wind turbine gearbox high-speed shaft replacement tooling is required for replacement. Due to the different specifications of the high-speed shaft of the wind turbine gearbox, its structure size is also different. At present, the wind turbine gearbox high-speed shaft replacement tooling equipment is fixed as a whole, and it is impossible to effectively adjust the specifications and sizes of the high-speed shaft of the wind turbine gearbox, which affects the replacement operation of the wind turbine gearbox high-speed shaft. At the same time, the overall weight of the wind turbine gearbox high-speed shaft is heavy. When the wind turbine gearbox high-speed shaft replacement tooling changes the position of the wind turbine gearbox high-speed shaft, it is easy to cause the transmission part to be affected by the weight, resulting in insufficient support force and deformation, thereby reducing the durability and use effect of the wind turbine gearbox high-speed shaft replacement tooling, and indirectly affecting the replacement efficiency of the wind turbine gearbox high-speed shaft.

[0003] Therefore, it is necessary to develop tooling for replacing the high-speed shaft of the wind turbine gearbox. Utility Model Content

[0004] The utility model aims to provide a wind turbine generator set gearbox high-speed shaft replacement tool to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a wind turbine gearbox high-speed shaft replacement tool, comprising a gantry tool frame, both sides of the upper outer wall of the gantry tool frame are slidably connected with a moving frame, a U-shaped seat is installed at the bottom of the gantry tool frame, and a rack is arranged on the lower surface of the U-shaped seat;

[0006] An I-shaped seat is installed on one side of the bottom of the U-shaped seat, a mounting frame is installed on the bottom of the I-shaped seat, a hanger is installed on the bottom of the mounting frame, and a crane is installed below the hanger.

[0007] Preferably, telescopic legs are installed at the front and rear ends of the movable frame, and movable wheels are installed at the bottom ends of the telescopic legs.

[0008] Preferably, the outer wall of the I-shaped seat is slidably connected to the inside of the U-shaped seat, and support balls are provided on both sides of the inner top of the I-shaped seat.

[0009] Preferably, the supporting balls are located inside the U-shaped seat, and the motor A is installed at the front and rear ends of the mounting frame.

[0010] Preferably, a gear is installed at one end of the output shaft on the motor A, and the teeth on the gear are meshed and connected with the teeth on the rack.

[0011] Preferably, a lifting rope A is installed on the top of the crane, the top end of the lifting rope A is installed on the bottom of the hanger, and a motor B is installed on one side outer wall of the crane.

[0012] Preferably, the output shaft on the motor B is equipped with a winding roller, and the winding roller is located inside the crane.

[0013] Preferably, a lifting rope B is provided on the outer wall of the winding roller, and a tooling hook is provided at the bottom end of the lifting rope B.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By arranging telescopic legs at the front and rear ends of the two sets of mobile frames and slidably arranging them above the outer wall of the gantry tooling frame, the telescopic legs can effectively adjust the height of the gantry tooling frame according to the specifications and size of the high-speed shaft of the gear box of the wind turbine generator set. At the same time, the spacing between the two sets of mobile frames can be adjusted by simply pushing and pulling them forward and backward, thereby avoiding the situation where the replacement tooling of the high-speed shaft of the gear box of the wind turbine generator set cannot be effectively adjusted and affects the replacement operation.

[0016] By arranging four or more groups of supporting balls on the contact surface between the top of the workpiece seat and the U-shaped seat, and according to the supporting balls contacting the inner bottom end surface of the U-shaped seat, the supporting balls can support the workpiece seat and the following devices on the one hand, and on the other hand, it does not affect the horizontal movement of the workpiece seat on the U-shaped seat, thereby avoiding as much as possible the deformation of the wind turbine gearbox high-speed shaft replacement tooling due to insufficient support, effectively improving the use effect of the wind turbine gearbox high-speed shaft replacement tooling, and indirectly improving the replacement efficiency of the wind turbine gearbox high-speed shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A front view schematic diagram of the overall structure provided by the utility model;

[0018] Figure 2 A schematic side view of a part of the structure provided by the utility model;

[0019] Figure 3 The utility model provides Figure 1 A magnified view of the structure at A;

[0020] Figure 4 A schematic side view of the structure of the work-type seat provided by the utility model;

[0021] Figure 5 This is a partial structural stereogram provided by the utility model.

[0022] In the figure: 1. gantry tooling frame; 2. mobile frame; 201. telescopic legs; 202. mobile wheels; 3. U-shaped seat; 301. rack; 4. tooling seat; 401. mounting frame; 402. hanger; 403. support ball; 404. motor A; 405. gear; 5. crane; 501. lifting rope A; 502. motor B; 503. winding roller; 504. lifting rope B; 505. tooling hook. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides the following technical solutions: Wind turbine gearbox high-speed shaft replacement tooling, please refer to Figure 1-5 , including a gantry tool frame 1, both sides of the upper outer wall of the gantry tool frame 1 are slidably connected with a moving frame 2, the front and rear ends of the moving frame 2 are installed with telescopic legs 201, and the bottom ends of the telescopic legs 201 are installed with moving wheels 202, and the front and rear ends of the two groups of moving frames 2 are provided with telescopic legs 201, and they are slidably arranged above the outer wall of the gantry tool frame 1, according to the specifications and size of the high-speed shaft of the gear box of the wind turbine generator set, the height of the gantry tool frame 1 is effectively adjusted by the telescopic legs 201, and at the same time, the spacing between the two groups of moving frames 2 only needs to be adjusted by front and back push-pull adjustment, so as to avoid the situation that the replacement tool of the high-speed shaft of the gear box of the wind turbine generator set cannot be effectively adjusted and affects the replacement operation, after the height of the telescopic legs 201 is adjusted, after the spacing between the moving frames 2 is adjusted, it only needs to be fixed by fastening bolts or pins, and a U-shaped seat 3 is installed at the bottom of the gantry tool frame 1, and a rack 301 is arranged on the lower surface of the U-shaped seat 3;

[0025] A work-shaped seat 4 is installed on one side of the bottom of the U-shaped seat 3, a mounting frame 401 is installed on the bottom of the work-shaped seat 4, a hanger 402 is installed on the bottom of the mounting frame 401, the outer wall of the work-shaped seat 4 is slidably connected to the inside of the U-shaped seat 3, the work-shaped seat 4 is set in the U-shaped seat 3 on the bottom of the gantry tooling frame 1 in a sliding manner, so that the work-shaped seat 4 can be horizontally moved left and right on the U-shaped seat 3, support balls 403 are set on both sides of the inner top of the work-shaped seat 4, and the support balls 403 are located inside the U-shaped seat 3, and four or more groups of support balls 403 are set on the contact surface between the top of the work-shaped seat 4 and the U-shaped seat 3, according to the contact of the support balls 403 on the U-shaped seat 3 At the inner bottom end surface, the supporting ball 403 supports the work-shaped seat 4 and the following devices on the one hand, and does not affect the horizontal movement of the work-shaped seat 4 on the U-shaped seat 3 on the other hand, and tries to avoid the deformation of the wind turbine gearbox high-speed shaft replacement tooling due to insufficient support. The internal front and rear ends of the mounting frame 401 are both installed with motors A404, and one end of the output shaft of the motor A404 is installed with a gear 405. The teeth on the gear 405 are meshed with the teeth on the rack 301, so that the motor A404 can drive and control the work-shaped seat 4 to perform a mechanized movement operation at the bottom of the U-shaped seat 3, thereby improving the use effect;

[0026] A crane 5 is installed below the hanger 402, a lifting rope A501 is installed on the top of the crane 5, the top of the lifting rope A501 is installed on the bottom of the hanger 402, a motor B502 is installed on the outer wall of one side of the crane 5, a winding roller 503 is installed on the output shaft of the motor B502, the winding roller 503 is located inside the crane 5, a lifting rope B504 is arranged on the outer wall of the winding roller 503, a tooling hook 505 is arranged at the bottom of the lifting rope B504, the crane 5 is fixed to the hanger 402 on the bottom of the mounting frame 401 by the lifting rope A501, and the lifting rope B504 is wound on the winding roller 503 in the crane 5, so that the motor B502 on the crane 5 can control the lifting or releasing of the lifting rope B504, so as to facilitate the lifting and replacement of the high-speed shaft of the gearbox of the wind turbine generator set.

[0027] Working principle: When using the utility model, telescopic legs 201 are set at the front and rear ends of the two sets of mobile frames 2, and are set above the outer wall of the gantry tool frame 1 in a sliding manner. According to the specifications and size of the high-speed shaft of the gear box of the wind turbine generator set, the height of the gantry tool frame 1 is effectively adjusted by the telescopic legs 201. At the same time, the spacing between the two sets of mobile frames 2 can be adjusted by pushing and pulling forward and backward, so as to avoid the situation that the replacement tool of the high-speed shaft of the gear box of the wind turbine generator set cannot be effectively adjusted and affects the replacement operation. After the height of the telescopic legs 201 is adjusted and the spacing between the moving frames 2 is adjusted, it is only necessary to fix them by fastening bolts or pins. By setting the work-shaped seat 4 in a sliding manner in the U-shaped seat 3 at the bottom of the gantry work frame 1, the work-shaped seat 4 can be horizontally moved left and right on the U-shaped seat 3. By setting four or more groups of supporting balls 403 on the contact surface between the upper part of the work-shaped seat 4 and the U-shaped seat 3, according to the contact between the supporting balls 403 and the inner bottom end surface of the U-shaped seat 3, the supporting balls 403 can contact the work-shaped seat 4 on the one hand. On the other hand, it does not affect the horizontal movement of the workpiece 4 on the U-shaped seat 3, and tries to avoid the deformation of the wind turbine gearbox high-speed shaft replacement tooling due to insufficient support. By correspondingly arranging the front and rear ends of the mounting frame 401 at the bottom of the workpiece 4 with the motor A404, and meshing the gear 405 on the output end of the motor A404 with the rack 301 on the U-shaped seat 3, the motor A404 can drive the workpiece 4 to move at the bottom of the U-shaped seat 3. Mechanized mobile operation improves the use effect. The crane 5 is fixed to the hanger 402 on the bottom of the mounting frame 401 by the rope A501, and the rope B504 is rolled up on the winding roller 503 in the crane 5, so that the motor B502 on the crane 5 can control the rope B504 to be rolled up or released, which is convenient for lifting and replacing the high-speed shaft of the gear box of the wind turbine generator set. The use effect of the replacement tooling of the high-speed shaft of the gear box of the wind turbine generator set is effectively improved, and the replacement efficiency of the high-speed shaft of the gear box of the wind turbine generator set is indirectly improved.

[0028] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A wind turbine gearbox high-speed shaft replacement tool, comprising a gantry tool frame (1), wherein both sides of the upper outer wall of the gantry tool frame (1) are slidably connected with a moving frame (2), characterized in that: A U-shaped seat (3) is installed at the bottom of the gantry tooling frame (1), and a rack (301) is provided on the lower surface of the U-shaped seat (3); An I-shaped seat (4) is installed on one side of the bottom of the U-shaped seat (3), a mounting frame (401) is installed on the bottom of the I-shaped seat (4), a hanger (402) is installed on the bottom of the mounting frame (401), and a crane (5) is installed below the hanger (402).

2. The wind turbine generator set gearbox high-speed shaft replacement tool according to claim 1 is characterized in that: Telescopic legs (201) are installed at the front and rear ends of the mobile frame (2), and moving wheels (202) are installed at the bottom ends of the telescopic legs (201).

3. The wind turbine generator set gearbox high-speed shaft replacement tool according to claim 1, characterized in that: The outer wall of the I-shaped seat (4) is slidably connected to the inside of the U-shaped seat (3), and supporting balls (403) are provided on both sides of the inner top of the I-shaped seat (4).

4. The wind turbine generator set gearbox high-speed shaft replacement tool according to claim 3 is characterized by: The supporting ball (403) is located inside the U-shaped seat (3), and the motor A (404) is installed at the front end and the rear end of the mounting frame (401).

5. The wind turbine generator set gearbox high-speed shaft replacement tool according to claim 4 is characterized in that: A gear (405) is installed at one end of the output shaft on the motor A (404), and the teeth on the gear (405) are meshed with the teeth on the rack (301).

6. The wind turbine generator set gearbox high-speed shaft replacement tool according to claim 1, characterized in that: A lifting rope A (501) is installed on the top of the lifting machine (5), the top end of the lifting rope A (501) is installed on the bottom of the hanging bracket (402), and a motor B (502) is installed on one side outer wall of the lifting machine (5).

7. The wind turbine generator set gearbox high-speed shaft replacement tool according to claim 6, characterized in that: The output shaft on the motor B (502) is equipped with a winding roller (503), and the winding roller (503) is located inside the crane (5).

8. The wind turbine generator set gearbox high-speed shaft replacement tool according to claim 7, characterized in that: A lifting rope B (504) is arranged on the outer wall of the winding roller (503), and a tooling lifting hook (505) is arranged at the bottom end of the lifting rope B (504).

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