CN212958961U

CN212958961U - Gear box damping device of wind driven generator

Info

Publication number: CN212958961U
Application number: CN202021335478.7U
Authority: CN
Inventors: 李树广
Original assignee: China Resources New Energy Nantong Wind Energy Co ltd
Current assignee: China Resources New Energy Nantong Wind Energy Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-13
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a aerogenerator gear box damping device relates to damping device technical field, and it is more troublesome for solving current aerogenerator gear box damping device installation, and the shock attenuation effect is not fine problem simultaneously. The second fixed block is installed to the opposite side of mounting panel top, the gear box damping ring is installed to the top of second fixed block, the support bar is all installed to the front end and the rear end of gear box damping ring, and gear box damping ring passes through bolted connection with the support bar, the snubber block is installed to the inboard of gear box damping ring, and the snubber block is provided with a plurality of, the spring stopper is installed to the inside top of snubber block, the stiff spring is installed to the below of spring stopper, the connecting box is installed to the below of stiff spring, the anticollision piece is installed to the below of connecting box, the fin is installed to the below of anticollision piece, the inner wall of spring stopper is provided with the spout, and the spout is provided with two.

Description

Gear box damping device of wind driven generator

Technical Field

The utility model relates to a damping device technical field specifically is a aerogenerator gear box damping device.

Background

The damping device of the wind power generator gear box is generally a device for damping the vibration of the wind power generator gear box, the gear box in the wind power generator set is an important mechanical component, the main function of the damping device is to transmit the power generated by the wind wheel under the action of wind power to the generator and enable the generator to obtain corresponding rotating speed, the rotating speed of the wind wheel is usually very low and can not reach the rotating speed required by the power generation of the generator, and the rotating speed is realized by the speed increasing function of a gear pair of the gear box, so the gear box is also called as a speed increasing box, according to the overall arrangement requirement of the unit, sometimes a transmission shaft (called as a large shaft) directly connected with a hub of the wind wheel is combined with the gear box into a whole, the large shaft and the gear box are respectively arranged, a structure that an expansion sleeve device or a coupling is used for connection is adopted, in order to increase, and the combined braking is carried out on the unit transmission system by matching with a blade tip braking (fixed pitch wind wheel) or variable pitch braking device.

However, the existing wind driven generator gearbox damping device is troublesome to install, and the damping effect is not good; therefore, the existing requirement is not met, and a damping device for the gearbox of the wind driven generator is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a aerogenerator gear box damping device to it is more troublesome to provide current aerogenerator gear box damping device to install among the above-mentioned background art to solve, and the shock attenuation effect is not fine problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a aerogenerator gear box damping device, includes the mounting panel, the second fixed block is installed to the opposite side of mounting panel top, the gear box damping ring is installed to the top of second fixed block, the support bar is all installed to the front end and the rear end of gear box damping ring, and gear box damping ring and support bar pass through bolted connection, the snubber block is installed to the inboard of gear box damping ring, and the snubber block is provided with a plurality of, the spring stopper is installed to the inside top of snubber block, the stiff spring is installed to the below of spring stopper, the connecting box is installed to the below of stiff spring, anticollision piece is installed to the below of connecting box, the fin is installed to the below of anticollision piece, the inner wall of spring stopper is provided with the spout, and the spout is provided with two, the slider is all installed to the both sides of connecting box.

Preferably, a motor heat dissipation plate is installed on one side above the installation plate, and the installation plate is connected with the motor heat dissipation plate through screws.

Preferably, the inside of mounting panel one side is provided with the louvre, and the louvre is provided with a plurality of.

Preferably, the outer side of the upper portion of the mounting plate is provided with a plurality of fixing bolts.

Preferably, a first fixed block is installed in the middle of the upper portion of the installation plate, a supporting block is installed above the first fixed block, and the first fixed block is connected with the supporting block in a welding mode.

Preferably, an output end fixing box is installed above the supporting block, and the supporting block is connected with the output end fixing box in a welding mode.

Preferably, the internally mounted of the fixed case of output has the bearing, and the bearing is provided with two, the silica gel crash pad is installed to the inboard of bearing, and the bearing pastes with the silica gel crash pad and is connected.

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

1. the utility model discloses an at one side installation gear box damping ring of mounting panel, install the gear box in the inside of gear box damping ring, a plurality of snubber blocks of internally mounted of gear box damping ring, the rigid spring shrink of snubber block inside, the junction box of a plurality of rigid spring below blocks the gear box, because the elasticity of a plurality of rigid springs can be fixed firm with the gear box, a plurality of rigid springs play fine cushioning effect simultaneously, install anticollision piece and fin on the junction box, anticollision piece plays fine buffering cushioning effect, the shock attenuation effect of device has been greatly promoted, the fin plays the radiating effect for the gear box;

2. the utility model discloses an at the fixed case of a side-mounting output of gear box damping ring, the effect of the fixed case of output is the aerogenerator output of stabilizing the course of operation, prevent that the motor output from producing vibrations, lead to the inside gear of gear box to produce vibrations, promoted the perfection of device greatly, the aerogenerator heat dissipation in the course of operation can be helped to the louvre of motor heating panel and motor heating panel below of mounting panel one side, has effectively promoted the work efficiency of motor.

Drawings

FIG. 1 is a front view of a damping device of a wind turbine gearbox according to the present invention;

FIG. 2 is a sectional view of a damping device of a gearbox of a wind driven generator according to the present invention;

fig. 3 is the internal structure schematic diagram of the gear box damping ring of the present invention.

In the figure: 1. mounting a plate; 2. a motor heat dissipation plate; 3. a first fixed block; 4. a support block; 5. An output end fixing box; 6. a second fixed block; 7. a gearbox damping ring; 8. a supporting strip; 9. Fixing the bolt; 10. heat dissipation holes; 11. a bearing; 12. a silica gel anti-collision pad; 13. a damper block; 14. a spring stopper; 15. a rigid spring; 16. a connection box; 17. an anti-collision sheet; 18. a heat sink; 19. a chute; 20. a slide block.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a wind driven generator gear box damping device comprises a mounting plate 1, a second fixing block 6 is mounted on the other side above the mounting plate 1, a gear box damping ring 7 is mounted above the second fixing block 6, supporting bars 8 are mounted at the front end and the rear end of the gear box damping ring 7, the gear box damping ring 7 is connected with the supporting bars 8 through bolts, the structure is simple, the forms are various, the practicability is strong, the operation is convenient, the connection is reliable, damping blocks 13 are mounted on the inner side of the gear box damping ring 7, a plurality of damping blocks 13 are arranged, spring limiting blocks 14 are mounted above the damping blocks 13, rigid springs 15 are mounted below the spring limiting blocks 14, a connecting box 16 is mounted below the rigid springs 15, anti-collision pieces 17 are mounted below the connecting box 16, cooling fins 18 are mounted below the anti-collision pieces 17, and sliding grooves 19 are formed in the inner walls of the spring limiting, and the sliding grooves 19 are provided in two numbers, and the sliding blocks 20 are installed on both sides of the connecting box 16.

Further, a motor heat dissipation plate 2 is installed on one side above the installation plate 1, the installation plate 1 is connected with the motor heat dissipation plate 2 through screws, the installation and disassembly are convenient, the overhaul is facilitated, the pretightening force can be increased to prevent loosening, and the phase change of the material components of the connection part cannot be caused.

Further, the inside of mounting panel 1 one side is provided with louvre 10, and louvre 10 is provided with a plurality of, plays fine radiating effect.

Further, fixing bolt 9 is installed in the outside of mounting panel 1 top, and fixing bolt 9 is provided with a plurality ofly, conveniently fixes or dismantles mounting panel 1.

Furthermore, a first fixed block 3 is arranged in the middle of the upper portion of the mounting plate 1, a supporting block 4 is arranged above the first fixed block 3, the first fixed block 3 is connected with the supporting block 4 in a welding mode, the air tightness and the water tightness of the welding connection are good, the structural rigidity is also high, the structural integrity is good, labor and time are saved, the sectional area of materials is not reduced, and the materials are fully utilized.

Further, output end fixing box 5 is installed to the top of supporting shoe 4, and supporting shoe 4 and output end fixing box 5 welded connection, connect closely, are difficult to take place deformation.

Further, the internally mounted of the fixed case 5 of output has bearing 11, and bearing 11 is provided with two, and silica gel crash pad 12 is installed to bearing 11's inboard, and bearing 11 and silica gel crash pad 12 paste and be connected, and the installation is simple, is difficult to drop.

The working principle is as follows: when the gearbox is used, the wind driven generator is firstly installed on the motor heat dissipation plate 2 above the installation plate 1, the output end of the motor penetrates through the output end fixing box 5 on the first fixing block 3 at the middle position above the installation plate 1, then the gearbox is installed inside the gearbox damping ring 7 at one side of the output end fixing box 5, a plurality of damping blocks 13 are installed inside the gearbox damping ring 7, rigid springs 15 inside the damping blocks 13 contract to drive the connection box 16 to move towards the inside of the damping blocks 13, sliding blocks 20 at two sides of the connection box 16 slide in sliding grooves 19 on the inner wall of the damping blocks 13, the sliding grooves 19 play a role in limiting the connection box 16, the connection box 16 below the rigid springs 15 clamps the gearbox, the gearbox can be firmly fixed due to the flexibility of the rigid springs 15, meanwhile, the rigid springs 15 play a good damping role, and the anti-collision sheets 17 and radiating fins 18 are installed on the connection box 16, the anti-collision sheet 17 plays a good role in buffering and shock absorption, the shock absorption effect of the device is greatly improved, the radiating fins 18 play a role in heat dissipation of the gear box, the output end of the wind driven generator in the working process is stabilized by the effect of the output end fixing box 5, the motor output end is prevented from vibrating, the gears inside the gear box are caused to vibrate, and after the wind driven generator and the gear box are installed, the fixing bolts 9 on the installation plate 1 are installed at the designated positions.

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. A aerogenerator gear box damping device, includes mounting panel (1), its characterized in that: the second fixed block (6) is installed to the opposite side of mounting panel (1) top, gear box damping ring (7) is installed to the top of second fixed block (6), support bar (8) are all installed to the front end and the rear end of gear box damping ring (7), and gear box damping ring (7) pass through bolted connection with support bar (8), snubber block (13) are installed to the inboard of gear box damping ring (7), and snubber block (13) are provided with a plurality of, spring stopper (14) are installed to the inside top of snubber block (13), stiff spring (15) are installed to the below of spring stopper (14), connecting box (16) are installed to the below of stiff spring (15), crashproof piece (17) is installed to the below of connecting box (16), fin (18) are installed to the below of crashproof piece (17), the inner wall of spring stopper (14) is provided with spout (19), and the sliding grooves (19) are provided with two sliding blocks (20), and the sliding blocks (20) are installed on two sides of the connecting box (16).

2. A wind turbine gearbox damping device according to claim 1, characterised in that: motor heating panel (2) are installed to one side of mounting panel (1) top, and pass through screw connection with motor heating panel (2) mounting panel (1).

3. A wind turbine gearbox damping device according to claim 1, characterised in that: the heat dissipation device is characterized in that heat dissipation holes (10) are formed in one side of the mounting plate (1), and a plurality of heat dissipation holes (10) are formed in the heat dissipation holes.

4. A wind turbine gearbox damping device according to claim 1, characterised in that: fixing bolt (9) are installed in the outside of mounting panel (1) top, and fixing bolt (9) are provided with a plurality ofly.

5. A wind turbine gearbox damping device according to claim 1, characterised in that: the mounting plate is characterized in that a first fixing block (3) is installed in the middle of the upper portion of the mounting plate (1), a supporting block (4) is installed above the first fixing block (3), and the first fixing block (3) is connected with the supporting block (4) in a welding mode.

6. A wind turbine gearbox damping device according to claim 5, characterised in that: an output end fixing box (5) is installed above the supporting block (4), and the supporting block (4) is connected with the output end fixing box (5) in a welding mode.

7. A wind turbine gearbox damping device according to claim 6, characterised in that: the internally mounted of the fixed case of output (5) has bearing (11), and bearing (11) are provided with two, silica gel crash pad (12) are installed to the inboard of bearing (11), and bearing (11) and silica gel crash pad (12) paste and be connected.