CN216741832U

CN216741832U - Damping device of wind driven generator

Info

Publication number: CN216741832U
Application number: CN202220505422.4U
Authority: CN
Inventors: 张进学; 耿豪男; 秦国天
Original assignee: Guangrao Branch Of State Energy Investment Group Jinan New Energy Co ltd
Current assignee: Guangrao Branch Of State Energy Investment Group Jinan New Energy Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-06-14
Anticipated expiration: 2032-03-08

Abstract

The utility model provides a damping device of a wind driven generator, and mainly relates to the technical field of damping equipment. The utility model provides a aerogenerator damping device, includes the base, the preceding and back fixed mounting fixed plate respectively of base, the backup pad passes through damper with the base and is connected, one side difference fixed mounting riser and U type frame of base top surface, the slider respectively with corresponding spout sliding fit, the first pivot of bearing installation in the first through-hole, bearing installation second pivot in the second through-hole, the inner fixed connection universal joint's of first pivot one end, universal joint's the other end and the inner fixed connection of second pivot, the top surface of backup pad is equipped with the mount. The utility model has the beneficial effects that: when the device is used, the damping can be realized through the mutual matching between the supporting plate and the damping mechanism, so that the mechanical vibration generated when the wind power generation equipment runs is buffered, and the bearing is prevented from being broken.

Description

Damping device of wind driven generator

Technical Field

The utility model mainly relates to the technical field of damping equipment, in particular to a damping device of a wind driven generator.

Background

Wind power generation equipment is electric power equipment which converts wind energy into mechanical work, drives a rotor to rotate by the mechanical work and finally outputs alternating current. Wind power generation equipment generally comprises wind wheels, a generator, a direction regulator, a tower, a speed-limiting safety mechanism, an energy storage device and other components. When the wind power generation equipment is in operation, the wind wheel rotates to drive the generator to convert energy, a large amount of mechanical vibration is generated, the wind power generation unit can not work normally, and in severe cases, the connected bearing can be broken.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the technical defects and provides a damping device of a wind driven generator.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a damping device of a wind driven generator comprises a base, wherein fixed plates are fixedly arranged on the front and the back of the base respectively, a groove is formed in the top surface of the base, a supporting plate is arranged in the groove in a sliding fit manner and is connected with the base through a damping mechanism, a vertical plate and a U-shaped frame are fixedly arranged on one side of the top surface of the base respectively, sliding grooves are formed in the front and the back of the inner wall of the U-shaped frame respectively, a rectangular block is arranged in the U-shaped frame in a sliding fit manner, sliding blocks are fixedly arranged on the front side and the back side of the rectangular block respectively and are in sliding fit with the corresponding sliding grooves respectively, a first through hole is formed in the upper part of one side of the vertical plate, a first rotating shaft is arranged in a bearing manner in the first through hole, a second through hole is formed in one side of the rectangular block, a second rotating shaft is arranged in the second through hole in a bearing manner, and the inner end of the first rotating shaft is fixedly connected with one end of a universal coupling, the other end of the universal coupling is fixedly connected with the inner end of the second rotating shaft, and a fixing frame is arranged on the top surface of the supporting plate.

The damping mechanism comprises a damping shock absorber, the damping shock absorber is fixedly mounted on the bottom surface of the inner wall of the groove, and the movable end of the damping shock absorber is fixedly connected with the bottom surface of the supporting plate.

The four corners of backup pad bottom surface respectively fixed connection damping spring's one end, damping spring's the other end all with the bottom surface fixed connection of recess inner wall.

The front and the back of the base are respectively and fixedly provided with a plurality of ribbed plates, and the bottom surfaces of the ribbed plates are respectively and fixedly connected with corresponding fixing plates.

Compared with the prior art, the utility model has the beneficial effects that:

this device is when using, can carry out the shock attenuation through mutually supporting between backup pad and the damper to cushion the mechanical shock that wind power generation equipment produced in the operation, and through the buffer unit of first pivot, universal joint, second pivot as generating set bearing, the bearing of protection generating set possesses certain movable range when producing vibrations, reduces the bearing atress, prevents that the bearing from splitting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional structural view of the base of the present invention;

fig. 3 is an enlarged view of part i of fig. 2.

The reference numbers shown in the figures: 1. a base; 2. a fixing plate; 3. a groove; 4. a support plate; 5. a vertical plate; 6. a U-shaped frame; 7. a chute; 8. a rectangular block; 9. a slider; 10. a first through hole; 11. a first rotating shaft; 12. a second through hole; 13. a second rotating shaft; 14. a universal coupling; 15. a fixed mount; 16. a damping shock absorber; 17. a damping spring; 18. a rib plate.

Detailed Description

The utility model is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

Example (b): damping device of wind driven generator

As shown in fig. 1 to 3, a damping device for a wind turbine generator has a specific structure including:

the base comprises a base 1, wherein a fixed plate 2 is fixedly arranged at the front and the back of the base 1 respectively, a reserved hole is formed in the top surface of each fixed plate 2, a groove 3 is formed in the top surface of the base 1, a supporting plate 4 is arranged in the groove 3 in a sliding fit manner, the supporting plate 4 is connected with the base 1 through a damping mechanism, a vertical plate 5 and a U-shaped frame 6 are fixedly arranged on one side of the top surface of the base 1 respectively, the vertical plate 5 is parallel to the U-shaped frame 6, the U-shaped frame 6 is in an inverted state, sliding grooves 7 are formed in the front and the back of the inner wall of the U-shaped frame 6 respectively, a rectangular block 8 is arranged in the U-shaped frame 6 in a sliding fit manner, sliding blocks 9 are fixedly arranged on the front side and the back side of the rectangular block 8 respectively, the sliding blocks 9 are in sliding fit with the corresponding sliding grooves 7 respectively, a first through hole 10 is formed in the upper portion of one side of the vertical plate 5, and a first rotating shaft 11 is arranged in the first through hole 10 in a bearing manner, a second through hole 12 is formed in one side of the rectangular block 8, a second rotating shaft 13 is mounted in the second through hole 12 through a bearing, the inner end of the first rotating shaft 11 is fixedly connected with one end of a universal coupling 14, the other end of the universal coupling 14 is fixedly connected with the inner end of the second rotating shaft 13, and a fixing frame 15 is arranged on the top face of the supporting plate 4.

The shock absorption mechanism comprises a damping shock absorber 16, the damping shock absorber 16 is fixedly installed on the bottom surface of the inner wall of the groove 3, and the movable end of the damping shock absorber 16 is fixedly connected with the bottom surface of the supporting plate 4. The damping shock absorber has good vibration isolation and noise reduction effects and low natural frequency, and can improve the shock absorption performance and reliability of the device.

Four corners of the bottom surface of the supporting plate 4 are respectively fixedly connected with one end of a damping spring 17, and the other end of the damping spring 17 is fixedly connected with the bottom surface of the inner wall of the groove 3. This structural design can provide corresponding support for supporting 4, shares a part atress for damping shock absorber 16, and can further improve the shock attenuation effect of this device through damping spring 17, facilitates the use.

The front and the back of the base 1 are respectively fixedly provided with a plurality of ribbed plates 18, and the bottom surfaces of the ribbed plates 18 are respectively fixedly connected with the corresponding fixed plates 2. This structural design can improve the joint strength between fixed plate 2 and base 1.

When the device is used, the wind power generation equipment is arranged on the fixing frame 15 on the top surface of the base 1, the second rotating shaft 13 is fixedly connected with the input shaft of the wind power generation equipment, when the wind power generation equipment runs to generate mechanical vibration, the supporting plate 4 on the top surface of the base 1 buffers the vibration under the action of the damping mechanism, and the influence of the vibration on the wind power generation equipment is reduced.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a aerogenerator damping device, includes base (1), fixed mounting fixed plate (2) are respectively fixed mounting in the front and the back of base (1), its characterized in that: the top surface of the base (1) is provided with a groove (3), the groove (3) is internally and slidably matched with a mounting support plate (4), the mounting support plate (4) is connected with the base (1) through a damping mechanism, one side of the top surface of the base (1) is respectively and fixedly provided with a vertical plate (5) and a U-shaped frame (6), the front and the back of the inner wall of the U-shaped frame (6) are respectively provided with a sliding groove (7), the U-shaped frame (6) is internally and slidably matched with a rectangular block (8), the front and the back of the rectangular block (8) are respectively and fixedly provided with a sliding block (9), the sliding block (9) is respectively and slidably matched with the corresponding sliding groove (7), the upper part of one side of the vertical plate (5) is provided with a first through hole (10), a first rotating shaft (11) is mounted in the first through hole (10) through a bearing, a second through hole (12) is formed in one side of the rectangular block (8), a second rotating shaft (13) is mounted in the second through hole (12), the inner fixed connection universal joint's of first pivot (11) one end of (14), the other end of universal joint (14) and the inner fixed connection of second pivot (13), the top surface of backup pad (4) is equipped with mount (15).

2. The wind turbine damping device according to claim 1, wherein: the damping mechanism comprises a damping shock absorber (16), the damping shock absorber (16) is fixedly installed on the bottom surface of the inner wall of the groove (3), and the movable end of the damping shock absorber (16) is fixedly connected with the bottom surface of the supporting plate (4).

3. A wind turbine vibration damping device according to claim 2, wherein: the four corners of backup pad (4) bottom surface are the one end of fixed connection damping spring (17) respectively, the other end of damping spring (17) all with the bottom surface fixed connection of recess (3) inner wall.

4. The wind turbine damping device according to claim 1, wherein: the front and the back of the base (1) are respectively fixedly provided with a plurality of ribbed plates (18), and the bottom surfaces of the ribbed plates (18) are respectively fixedly connected with the corresponding fixed plates (2).