CN213775589U

CN213775589U - Damping device for generator of wind turbine generator

Info

Publication number: CN213775589U
Application number: CN202022210905.5U
Authority: CN
Inventors: 王君莉; 欧阳富
Original assignee: Zhengzhou University of Industrial Technology
Current assignee: Zhengzhou University of Industrial Technology
Priority date: 2020-10-02
Filing date: 2020-10-02
Publication date: 2021-07-23
Anticipated expiration: 2030-10-02

Abstract

The utility model discloses a wind turbine generator damping device, including the aerogenerator body, wind motor blade rotating device body and wind motor fixed link pole, the wind motor blade rotating device body is installed in the left side of aerogenerator body, the right side fixedly connected with second resetting means of wind motor blade rotating device body, and the inside of second resetting means has installed the second connecting rod, the second telescopic sleeve has been installed to the bottom of wind motor base, and the inside of second telescopic sleeve is inserted and is equipped with the second telescopic link, second reset spring has been installed on the surface of second telescopic sleeve. The utility model discloses be provided with first telescopic link and first telescope tube, can effectively reduce the vibrations power that the wind-powered electricity generation machine blade rotating device body rotated and produced, can reduce the produced vibrations of wind-powered electricity generation machine fixed connection pole through buffering rack and buffer gear to keep the equilibrium that wind-driven electricity generation machine body and wind-powered electricity generation machine fixed connection pole placed.

Description

Damping device for generator of wind turbine generator

Technical Field

The utility model relates to a wind power generation technical field specifically is wind turbine generator system generator damping device.

Background

Like hydraulic machines, wind generators are used as power sources to replace manpower and animal power, and play an important role in the development of productivity, and wind energy is used as renewable and pollution-free natural energy, but can be used for a long time although not regarded as a standby power source.

Existing wind generating set basically all runs the electricity generation throughout the year, but most current wind generating set shock attenuation measure is not perfect, when the flabellum rotates always, in sleet, the rotation of strong wind weather blade can vibration unavoidably, but install damping device on the blade rotating device usually, make when producing vibrations can make the revolution mechanic appear the friction like this, can cause wearing and tearing when serious, and when wind generating set bottom was placed, can make the bottom produce vibrations when operating because of the top, can influence the equilibrium that the bottom was placed, consequently, need urgently to wind generating set generator damping device and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind turbine generator damping device to the blade rotation that proposes in solving above-mentioned background art can produce vibrations and the wind turbine generator bottom produces vibrations and can influence the problem of placing the equilibrium.

In order to achieve the above object, the utility model provides a following technical scheme: the damping device for the generator of the wind turbine generator comprises a wind turbine generator body, a wind turbine blade rotating device body and a wind turbine generator fixed connecting rod, wherein the wind turbine generator blade rotating device body is arranged on the left side of the wind turbine generator body, a second resetting device is fixedly connected to the right side of the wind turbine generator blade rotating device body, the second connecting rod is arranged in the second resetting device, a first limiting block is fixedly connected to the left side of the wind turbine generator body, a first resetting device is arranged at the bottom end of the wind turbine generator blade rotating device body, a first connecting rod is arranged in the first resetting device, a first telescopic sleeve is arranged at the bottom end of the first connecting rod, a fixing plate is fixedly connected to the bottom end of the first telescopic sleeve, a first telescopic rod is inserted in the first telescopic sleeve, and a first resetting spring is arranged on the surface of the first telescopic sleeve, the utility model discloses a wind power generation machine, including aerogenerator body, wind motor fixed connection pole, buffering rack, damping spring, fixture block, second telescopic sleeve, second telescopic link, buffer gear, second reset spring, wind motor fixed connection pole's surface is installed to the bottom of aerogenerator body, and the fixed block has been installed on wind motor fixed connection pole's surface, the spacing slider of both sides fixedly connected with of fixed block, the wind motor base has been installed to wind motor fixed connection pole's bottom, and the top fixedly connected with second stopper of wind motor base, buffering rack has been installed to the inside of wind motor base, and buffering rack's top has been installed, the fixture block has been installed to the inside of wind motor base, the second telescopic sleeve has been installed to the bottom of wind motor base, and the inside of second telescopic sleeve is inserted and is equipped with the second telescopic link, the buffering gear has been installed on the top of second telescopic sleeve, second reset spring has been installed on the surface of second telescopic sleeve.

Preferably, the bottom end of the second connecting rod is of a rectangular structure, the surface of the first limiting block is provided with a sliding groove, and the bottom end of the second connecting rod and the surface of the first limiting block form a sliding structure.

Preferably, the cross section of the first telescopic rod is of a circular structure, the cross section of the first telescopic sleeve is of a circular structure, and the first telescopic rod and the first telescopic sleeve form a sliding structure.

Preferably, one side of the limiting slide block, which is far away from the wind motor fixed connecting rod, is of a rectangular structure, the surface of the second limiting block is provided with a sliding groove, and the side of the limiting slide block, which is far away from the wind motor fixed connecting rod, and the surface of the second limiting block form a sliding structure.

Preferably, the right side of buffer gear meshes with the left side of buffer rack mutually, and the right side of buffer gear and the left side of buffer rack constitute rotary type structure.

Preferably, the cross section of the second telescopic rod is of a circular structure, the cross section of the second telescopic sleeve is of a circular structure, and the second telescopic rod and the second telescopic sleeve form a sliding structure.

Compared with the prior art, the beneficial effects of the utility model are that: this wind turbine generator damping device is provided with first telescopic link and first telescopic sleeve, can effectively reduce the vibrations power that the wind turbine blade rotating device body rotated and produced, prevents to lead to the device wearing and tearing because of vibrations, can reduce the produced vibrations of wind turbine fixed connection pole through buffering rack and buffering gear to keep the equilibrium that wind turbine generator body and wind turbine fixed connection pole were placed.

(1) The device is provided with first telescopic link and first telescope tube, when wind motor blade rotating device body rotates and produces vibrations, the bottom of second connecting rod slides on the surface of first stopper, first telescopic link and first telescope tube shrink, can provide a buffer power for wind motor blade rotating device body, and can make the device reset through first resetting means and second resetting means, can effectively reduce the vibrations power that wind motor blade rotating device body rotated and produced, prevent to lead to the device wearing and tearing because of vibrations.

(2) The device can reduce the produced vibrations of wind-powered electricity generation machine fixed connection pole through buffering rack and buffering gear, when the aerogenerator body operates and makes wind-powered electricity generation machine fixed connection pole produce vibrations, can make wind-powered electricity generation machine fixed connection pole can not squint because of vibrations through second stopper and spacing slider, can make the power of vibrations reduce through buffering rack and buffering gear, and can reset the device through second telescopic link and second telescopic sleeve, in order to keep the equilibrium that wind-powered electricity generation machine body and wind-powered electricity generation machine fixed connection pole were placed.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic front view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 4 is the schematic view of the second stopper and the limiting slider structure in plan view.

In the figure: 1. a wind power generator body; 2. a wind turbine blade rotating device body; 3. the wind motor is fixed with the connecting rod; 4. a fixing plate; 5. a first telescopic rod; 6. a first telescopic sleeve; 7. a first connecting rod; 8. A first reset device; 9. a first return spring; 10. a first stopper; 11. a second connecting rod; 12. A second reset device; 13. a fixed block; 14. a second limiting block; 15. a limiting slide block; 16. a wind turbine base; 17. a damping spring; 18. a buffer rack; 19. a clamping block; 20. a buffer gear; 21. a second telescopic rod; 22. a second telescopic sleeve; 23. a second return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the wind turbine generator damping device comprises a wind turbine generator body 1, a wind turbine generator blade rotating device body 2 and a wind turbine generator fixed connecting rod 3, wherein the wind turbine generator blade rotating device body 2 is arranged on the left side of the wind turbine generator body 1, a second resetting device 12 is fixedly connected to the right side of the wind turbine generator blade rotating device body 2, a second connecting rod 11 is arranged inside the second resetting device 12, the bottom end of the second connecting rod 11 is of a rectangular structure, a sliding groove is formed in the surface of a first limiting block 10, the bottom end of the second connecting rod 11 and the surface of the first limiting block 10 form a sliding structure, horizontal vibration force generated by rotation of the wind turbine generator blade rotating device body 2 can be reduced, the first limiting block 10 is fixedly connected to the left side of the wind turbine generator body 1, and a first resetting device 8 is arranged at the bottom end of the wind turbine generator blade rotating device body 2, and first connecting rod 7 has been installed to first resetting means 8's inside, first telescope tube 6 has been installed to the bottom of first connecting rod 7, the bottom fixedly connected with fixed plate 4 of first telescope tube 6, first telescopic rod 5 has been inserted to the inside of

first telescope tube

6, 5 cross sections of first telescopic rod are circular structure, 6 cross sections of first telescope tube are circular structure, and first telescopic rod 5 forms slidingtype structure with first telescope tube 6, can reduce the perpendicular shaking force that wind-driven generator blade rotating device body 2 rotated and make the production.

The surface of the first telescopic sleeve 6 is provided with a first reset spring 9, the bottom end of the wind driven generator body 1 is provided with a wind motor fixed connecting rod 3, the surface of the wind motor fixed connecting rod 3 is provided with a fixed block 13, two sides of the fixed block 13 are fixedly connected with limit sliders 15, one side of each limit slider 15 far away from the wind motor fixed connecting rod 3 is of a rectangular structure, the surface of each second limit block 14 is provided with a chute, the side of each limit slider 15 far away from the wind motor fixed connecting rod 3 and the surface of each second limit block 14 form a sliding structure, so that the position deviation of the wind motor fixed connecting rod 3 caused by vibration can be prevented, the bottom end of the wind motor fixed connecting rod 3 is provided with a wind driven generator base 16, the top end of the wind driven generator base 16 is fixedly connected with the second limit blocks 14, the interior of the wind driven generator base 16 is provided with a buffer rack, fixture block 19 has been installed to the inside of wind turbine base 16, second telescopic sleeve 22 has been installed to the bottom of wind turbine base 16, and second telescopic sleeve 22's inside is inserted and is equipped with second telescopic link 21, second telescopic link 21 cross section is circular structure, second telescopic sleeve 22 cross section is circular structure, and second telescopic link 21 constitutes slidingtype structure with second telescopic sleeve 22, can reduce the perpendicular vibrations power that wind turbine fixed connecting rod 3 produced, buffer gear 20 has been installed on the top of second telescopic link 21, buffer gear 20's right side meshes with the left side of buffering rack 18 mutually, and buffer gear 20's right side constitutes the rotary type structure with the left side of buffering rack 18, the vibrations power that can make wind turbine fixed connecting rod 3 produce obtains the buffering, second reset spring 23 has been installed on the surface of second telescopic sleeve 22.

The working principle is as follows: when in use, when the wind turbine blade rotating device body 2 is prevented from being worn due to vibration generated by rotation, according to the attached drawing 1, the second reset device 12 is arranged at the bottom end of the wind turbine blade rotating device body 2, the second connecting rod 11 is arranged inside the second reset device 12, the first limit block 10 is arranged at the left side of the wind turbine blade rotating device body 1, the right side of the second connecting rod 11 is arranged on the left side of the first limit block 10, the first telescopic rod 5 and the first telescopic sleeve 6 are arranged at the two ends of the wind turbine blade rotating device body 2, the first reset device 8 is arranged at the two ends of the wind turbine blade rotating device body 2, when the wind turbine blade rotating device body 2 generates vibration, the second connecting rod 11 slides at the left side of the first limit block 10, the first telescopic rod 5 and the first telescopic sleeve 6 contract, a buffering force can be provided for the wind turbine blade rotating device body 2, and can reset wind motor blade rotating device body 2 through first resetting means 8 and second resetting means 12, can effectively reduce the produced vibrations of wind motor blade rotating device body 2 to reduce the wearing and tearing that wind motor blade rotating device body 2 vibrations received.

When the wind driven generator body 1 operates to make the wind motor fixed connecting rod 3 generate vibration, according to the attached figure 1, when the wind motor fixed connecting rod 3 vibrates, the wind motor fixed connecting rod 3 can be prevented from deviating due to vibration through the second limiting block 14 and the limiting slide block 15, the wind motor fixed connecting rod 3 can be still fixed at the original position and the wind motor fixed connecting rod 3 can vibrate vertically, the vibration generated by the wind motor fixed connecting rod 3 can be reduced through the damping spring 17, the vertical vibration force generated by the wind motor fixed connecting rod 3 can be buffered through the second telescopic rod 21 and the second telescopic sleeve 22, and finally the device can be reset through the second reset spring 23, through the device can effectual reduction wind motor fixed connection pole 3 produced vibrations and make placing of wind motor fixed connection pole 3 can keep the equilibrium.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Wind turbine generator damping device, including aerogenerator body (1), wind turbine blade rotating device body (2) and wind turbine generator fixed link pole (3), its characterized in that: the wind driven generator is characterized in that a wind motor blade rotating device body (2) is arranged on the left side of the wind driven generator body (1), a second resetting device (12) is fixedly connected to the right side of the wind motor blade rotating device body (2), a second connecting rod (11) is arranged inside the second resetting device (12), a first limiting block (10) is fixedly connected to the left side of the wind driven generator body (1), a first resetting device (8) is arranged at the bottom end of the wind motor blade rotating device body (2), a first connecting rod (7) is arranged inside the first resetting device (8), a first telescopic sleeve (6) is arranged at the bottom end of the first connecting rod (7), a fixing plate (4) is fixedly connected to the bottom end of the first telescopic sleeve (6), a first telescopic rod (5) is inserted inside the first telescopic sleeve (6), and a first resetting spring (9) is arranged on the surface of the first telescopic sleeve (6), the wind driven generator is characterized in that a wind motor fixed connecting rod (3) is installed at the bottom end of the wind driven generator body (1), a fixed block (13) is installed on the surface of the wind motor fixed connecting rod (3), limit sliders (15) are fixedly connected to two sides of the fixed block (13), a wind motor base (16) is installed at the bottom end of the wind motor fixed connecting rod (3), a second limit block (14) is fixedly connected to the top end of the wind motor base (16), a buffer rack (18) is installed inside the wind motor base (16), a damping spring (17) is installed at the top end of the buffer rack (18), a clamping block (19) is installed inside the wind motor base (16), a second telescopic sleeve (22) is installed at the bottom end of the wind motor base (16), a second telescopic rod (21) is inserted inside the second telescopic sleeve (22), a buffer gear (20) is installed at the top end of the second telescopic rod (21), and a second return spring (23) is arranged on the surface of the second telescopic sleeve (22).

2. The wind turbine generator damping device according to claim 1, characterized in that: the bottom of the second connecting rod (11) is of a rectangular structure, a sliding groove is formed in the surface of the first limiting block (10), and the bottom of the second connecting rod (11) and the surface of the first limiting block (10) form a sliding structure.

3. The wind turbine generator damping device according to claim 1, characterized in that: the cross section of the first telescopic rod (5) is of a circular structure, the cross section of the first telescopic sleeve (6) is of a circular structure, and the first telescopic rod (5) and the first telescopic sleeve (6) form a sliding structure.

4. The wind turbine generator damping device according to claim 1, characterized in that: the limiting slide block (15) is of a rectangular structure at one side far away from the wind motor fixed connecting rod (3), a sliding groove is formed in the surface of the second limiting block (14), and the limiting slide block (15) and the surface of the second limiting block (14) form a sliding type structure at one side far away from the wind motor fixed connecting rod (3).

5. The wind turbine generator damping device according to claim 1, characterized in that: the right side of the buffer gear (20) is meshed with the left side of the buffer rack (18), and the right side of the buffer gear (20) and the left side of the buffer rack (18) form a rotary structure.

6. The wind turbine generator damping device according to claim 1, characterized in that: the cross section of the second telescopic rod (21) is of a circular structure, the cross section of the second telescopic sleeve (22) is of a circular structure, and the second telescopic rod (21) and the second telescopic sleeve (22) form a sliding structure.