CN221160210U - Wind driven generator bearing replacement tool - Google Patents

Abstract

The utility model relates to the technical field of wind power generator maintenance equipment, and discloses a wind power generator bearing replacement tool, which comprises a tool, wherein the tool comprises: a bracket is arranged on one side of the top of the base; the air cylinder is arranged on the other side of the top of the base; the platform is arranged at the top of the air cylinder; the tool is provided with a replacement device, and the replacement device comprises: the fixed seat is arranged at the top of the platform; the U-shaped block is arranged on the side surface of the air cylinder; the first electric push rod is arranged on the outer wall of the bracket; the connecting rod is arranged at the top end of the electric push rod; the fixing frame is arranged at the other end of the connecting rod; the rotating assembly is arranged on the connecting rod and is rotationally connected with the fixing frame. According to the tool, the clamping arm is used for clamping the bearing to be matched with the electric telescopic rod, the bearing is pulled out from the generator, and when the bearing in threaded connection with the generator is encountered, the motor drives the fixing frame to rotate, so that the bearing is detached.

Description

Wind driven generator bearing replacement tool

Technical Field

The utility model relates to the technical field of wind driven generator maintenance equipment, in particular to a wind driven generator bearing replacement tool.

Background

The wind driven generator is power equipment which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, and the wind driven generator generally comprises components such as a wind wheel, a generator (comprising a device), a direction regulator (tail wing), a tower, a speed limiting safety mechanism, an energy storage device and the like, and the bearing of the generator is damaged and needs to be replaced along with long-time running of the wind driven generator. During the replacement of the bearing, it is generally necessary for the worker to remove the bearing by pulling out the bearing.

According to the wind driven generator bearing replacement tool disclosed in China utility model CN210161071U, when the wind driven generator bearing replacement tool is used, the rotating handle is rotated to adjust the height of the bottom plate, the disassembled generator with the exposed bearing is placed on the bottom plate with the height adjusted, the bearing is located in the U-shaped reinforcing block, the fixing frame is moved through starting the hydraulic cylinder, the fixing frame is sleeved into the bearing and located between the two arc plates, the arc plates are moved through starting of the electric push rod, teeth on the arc plates can be tightly attached to the bearing, the hydraulic cylinder is started and reset to facilitate pulling out the bearing from the generator, and the U-shaped reinforcing block can support the engine to facilitate pulling out the bearing.

But the device is when using, supports the engine through the U type piece, thereby uses the cylinder to drive the mount and carry out horizontal movement and drag down the bearing, and this mode can handle the change of cover setting bearing under the general circumstances, but the bearing connected mode is various, when meetting bearing and engine threaded connection, singly lean on dragging and move unable bearing, need rotate and take off the bearing, in order to solve this problem, we propose a aerogenerator bearing change frock.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a wind driven generator bearing replacement tool which has the advantage of rotatably taking down a bearing and solves the problem that part of the bearing can not be taken down only by dragging.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a wind turbine bearing replacement tooling, comprising tooling, the tooling comprising:

A bracket is arranged on one side of the top of the base;

the air cylinder is arranged on the other side of the top of the base;

The platform is arranged at the top of the air cylinder;

the tool is provided with a replacement device, and the replacement device comprises:

the fixed seat is arranged at the top of the platform;

The U-shaped block is arranged on the side surface of the air cylinder;

The first electric push rod is arranged on the outer wall of the bracket;

The connecting rod is arranged at the top end of the electric push rod;

The fixing frame is arranged at the other end of the connecting rod;

the rotating assembly is arranged on the connecting rod and is rotationally connected with the fixing frame.

Preferably, the bottom of the connecting rod is provided with a supporting rod, the bottom of the supporting rod is provided with a guide wheel, and the base is provided with a first chute matched with the guide wheel for moving.

Preferably, the inner wall of the fixing frame is provided with an electric push rod II, and the top end of the electric push rod II is provided with a clamping arm.

Preferably, the rotating assembly includes:

the motor is arranged at the top of the connecting rod;

the first bevel gear is arranged outside the motor main shaft and fixedly connected with the motor main shaft;

The bevel gear II is arranged on the bevel gear I and is in meshed connection with the bevel gear I;

The sliding block is arranged at the joint of the fixing frame and the connecting rod;

the second sliding groove is arranged on the outer wall of the connecting rod and is in sliding connection with the sliding block;

the rotating shaft is arranged at the back of the fixing frame and is fixedly connected with the bevel gear II.

Preferably, the sliding block penetrates through the second sliding groove, and a limiting block is arranged at the penetrating position.

Preferably, bearings are arranged at the positions of the motor spindle penetrating through the top of the connecting rod and the positions of the rotating shaft penetrating through the side wall of the connecting rod.

Preferably, the fixing frame can extend into the U-shaped block.

(III) beneficial effects

Compared with the prior art, the utility model provides a wind driven generator bearing replacement tool, which has the following beneficial effects:

1. This frock is fixed the generator through using the fixing base, and through cylinder adjustment generator height, makes generator bearing stretch into U type piece, and rethread electric putter one adjusts the mount position, makes electric putter two promote arm lock centre gripping bearing, and electric putter one is retrieved backward again, pulls out the bearing from the generator, can quick replacement generator bearing through this mode.

2. This replacement device, through using rotating assembly, when meetting the bearing with generator threaded connection, through the starter motor, drive gear operation, bevel gear one and bevel gear two meshing are connected, and rotation axis and bevel gear two synchronous rotations simultaneously, and be provided with the rotatory spout two of cooperation mount on the connecting rod, consequently the motor can drive the mount rotation and tear down the bearing, further improved whole device's practicality.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure at A in the present utility model;

FIG. 3 is a schematic structural view of a fixing base according to the present utility model;

fig. 4 is a schematic side view of the fixing frame in the present utility model.

In the figure:

1. A tool; 11. a base; 12. a bracket; 13. a cylinder; 14. a platform;

2. Replacing the device; 21. a fixing seat; 211. an electric telescopic rod; 22. a U-shaped block; 23. a fixing frame; 231. an electric push rod I; 232. an electric push rod II; 233. a connecting rod; 234. a clamp arm; 24. a support rod; 241. a guide wheel; 242. a first chute; 25. a rotating assembly; 251. a motor; 252. a first bevel gear; 253. a second bevel gear; 254. a slide block; 255. a second chute; 256. and (3) rotating the shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a wind turbine bearing replacement tool, comprising a tool 1, wherein the tool 1 comprises: a base 11, a top of which is provided with a bracket 12; the cylinder 13 is arranged on the other side of the top of the base 11; a platform 14 arranged on the top of the cylinder 13; when the tool 1 is used, the generator is placed on the platform 14, and the height of the generator can be adjusted through the air cylinder 13. Be provided with change device 2 on frock 1, change device 2 includes: the fixed seat 21 is arranged at the top of the platform 14; the U-shaped block 22 is arranged on the side surface of the air cylinder 13; the first electric push rod 231 is arranged on the outer wall of the bracket 12; the connecting rod 233 is arranged at the top end of the first electric push rod 231; a fixing frame 23 disposed at the other end of the connection rod 233; the rotating assembly 25 is disposed on the connecting rod 233 and is rotatably connected to the fixing frame 23. The generator is fixed by using the fixing seat 21, the height of the generator is adjusted through the air cylinder 13, the generator bearing stretches into the U-shaped block 22, the position of the fixing frame 23 is adjusted through the first electric push rod 231, the fixing frame 23 clamps the bearing, the fixing frame 23 is pulled back again, the bearing is pulled down, and when the bearing in threaded connection with the generator is encountered, the rotating assembly 25 is used, and the fixing frame 23 can be driven to rotate so as to detach the bearing for replacement.

The inner wall of the fixing frame 23 is provided with a second electric push rod 232, and the top end of the second electric push rod 232 is provided with a clamping arm 234. The second electric push rod 232 can stretch and retract to drive the clamping arms 234 to move, so that the distance between the two clamping arms 234 is adjusted, the change of the internal clamping angle of the fixing frame 23 is realized, and the bearings are replaced according to the adjustment of bearings with different diameters.

The rotating assembly 25 includes: a motor 251 disposed on top of the connection rod 233; the first bevel gear 252 is arranged outside the main shaft of the motor 251 and fixedly connected with the main shaft of the motor 251; the second bevel gear 253 is arranged on the first bevel gear 252 and is in meshed connection with the first bevel gear 252; the sliding block 254 is arranged at the joint of the fixing frame 23 and the connecting rod 233; the second chute 255 is disposed on the outer wall of the connecting rod 233 and slidably connected to the slider 254; the rotation shaft 256 is disposed at the back of the fixing frame 23 and fixedly connected to the second bevel gear 253. The sliding block 254 penetrates through the second sliding groove 255, and a limiting block is arranged at the penetrating position. Bearings are provided at the position where the spindle of the motor 251 penetrates through the top of the connection rod 233 and at the position where the rotation shaft 256 penetrates through the side wall of the connection rod 233. The motor 251 is turned on, the main shaft of the motor 251 penetrates through the top of the connecting rod 233, a bearing is arranged at the penetrating position, the main shaft of the motor 251 is fixedly connected with the first bevel gear 252, the first bevel gear 252 is meshed with the second bevel gear 253, the first bevel gear 252 and the second bevel gear 253 are vertically distributed, the first bevel gear 252 rotates to drive the second bevel gear 253 to rotate, the center of the second bevel gear 253 is fixedly connected with a rotating shaft 256, the other end of the rotating shaft 256 is fixedly connected with the fixing frame 23, and the bearing is arranged at the connecting position, so that the motor 251 can drive the rotating shaft 256 to rotate, meanwhile, sliding blocks 254 are symmetrically arranged on the outer walls of the top and the bottom of the fixing frame 23, sliding grooves 255 matched with the sliding blocks 254 to slide are arranged on the outer walls of the connecting rod 233, limiting blocks are arranged at the penetrating position, and accordingly, the sliding blocks 254 and the sliding grooves 255 drive the fixing frame 23 to rotate by matching with the rotating shaft 256.

Example two

The function of assisting in replacing the bearing is added on the basis of the first embodiment.

Referring to fig. 1-4, a supporting rod 24 is disposed at the bottom of the connecting rod 233, a guide wheel 241 is disposed at the bottom of the supporting rod 24, and a first chute 242 that matches with the guide wheel 241 for moving is disposed on the base 11. When the first electric push rod 231 adjusts the position of the fixing frame 23 to clamp the bearing, the gravity center changes, the whole device is unstable, the support rod 24 is arranged at the bottom of the connecting rod 233, the gravity center of the whole device can be kept stable, meanwhile, the guide wheel 241 is arranged at the bottom of the support rod 24, and the first sliding groove 242 arranged on the base 11 is matched, so that the stability of the fixing frame 23 in horizontal movement can be maintained in an auxiliary mode.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a frock is changed to aerogenerator bearing, includes frock (1), frock (1) include:

a base (11) with a bracket (12) arranged on one side of the top;

The air cylinder (13) is arranged on the other side of the top of the base (11);

The platform (14) is arranged at the top of the air cylinder (13);

The method is characterized in that: be provided with on frock (1) and change device (2), change device (2) include:

The fixed seat (21) is arranged at the top of the platform (14);

The U-shaped block (22) is arranged on the side surface of the air cylinder (13);

The first electric push rod (231) is arranged on the outer wall of the bracket (12);

the connecting rod (233) is arranged at the top end of the first electric push rod (231);

the fixing frame (23) is arranged at the other end of the connecting rod (233);

The rotating assembly (25) is arranged on the connecting rod (233) and is rotationally connected with the fixing frame (23).

2. The wind turbine bearing replacement tool according to claim 1, wherein: the bottom of the connecting rod (233) is provided with a supporting rod (24), the bottom of the supporting rod (24) is provided with a guide wheel (241), and the base (11) is provided with a first chute (242) which is matched with the guide wheel (241) to move.

3. The wind turbine bearing replacement tool according to claim 1, wherein: the inner wall of the fixing frame (23) is provided with a second electric push rod (232), and the top end of the second electric push rod (232) is provided with a clamping arm (234).

4. The wind turbine bearing replacement tool according to claim 1, wherein: the rotating assembly (25) comprises:

A motor (251) arranged at the top of the connecting rod (233);

The first bevel gear (252) is arranged outside the main shaft of the motor (251) and fixedly connected with the main shaft of the motor (251);

A second bevel gear (253) arranged on the first bevel gear (252) and meshed with the first bevel gear (252);

The sliding block (254) is arranged at the joint of the fixing frame (23) and the connecting rod (233);

The second sliding chute (255) is arranged on the outer wall of the connecting rod (233) and is in sliding connection with the sliding block (254);

And a rotating shaft (256) is arranged at the back of the fixing frame (23) and fixedly connected with the bevel gear II (253).

5. The wind turbine bearing replacement tool of claim 4, wherein: the sliding block (254) penetrates through the second sliding groove (255), and a limiting block is arranged at the penetrating position.

6. The wind turbine bearing replacement tool of claim 4, wherein: bearings are arranged at the position where the main shaft of the motor (251) penetrates through the top of the connecting rod (233) and the position where the rotating shaft (256) penetrates through the side wall of the connecting rod (233).

7. The wind turbine bearing replacement tool according to claim 1, wherein: the fixing frame (23) can extend into the U-shaped block.