CN211778668U

CN211778668U - Yaw brake disc for wind turbine generator

Info

Publication number: CN211778668U
Application number: CN202020174248.0U
Authority: CN
Inventors: 崔兴华; 杨陈惠; 杜菲; 石小兵
Original assignee: Shanghai Jinxian Electromechanical Technology Co ltd
Current assignee: Shanghai Jinxian Electromechanical Technology Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-10-27
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a yawing brake disc for a wind turbine generator, which comprises a main body and a brake disc, wherein the brake disc and the main body are both in an annular structure, the number of the brake discs is two, and the two brake discs are respectively positioned on the upper surface and the lower surface of the main body, the side wall of the main body is provided with a plurality of groove bodies, the inner side wall of each groove body is respectively and rotatably connected with a sleeve, the inner side wall of each sleeve is respectively and spirally connected with one end of a fixing bolt, the end surface of each brake disc is respectively provided with a through groove corresponding to the groove body, the other end of each fixing bolt passes through the through groove to be contacted with the brake disc, the fixing bolt is spirally connected in the sleeve, so that the fixing bolt can rotate along with the rotation of the sleeve, the through grooves are arranged at the positions of the brake discs corresponding to the groove bodies, the fixing bolt, and then fix the brake disc in the main part, the installation is convenient and fast, the change of being convenient for.

Description

Yaw brake disc for wind turbine generator

Technical Field

The utility model relates to a driftage brake disc technical field, specific field is a driftage brake disc for wind turbine generator system.

Background

As a renewable energy source, the facility is gradually improved, and the wind energy is more and more widely utilized. In order to utilize wind energy to a greater extent and provide wind turbines with greater wind capturing efficiency, the existing wind turbines have yaw capacity. The engine room and the tower of the wind turbine generator are respectively connected with the inner ring and the outer ring of the slewing bearing. When the wind motor deviates from the wind direction, the wind direction anemoscope sends a signal, and the computer sends an instruction to drive a pinion on a direction-adjusting and speed-reducing mechanism arranged in the engine room to be meshed with a bull gear of the slewing bearing, so that the engine room rotates around the axis of the tower, and the wind wheel is aligned with the wind direction.

The wind turbine generator brake disc is important equipment for ensuring safe and stable yawing of the wind turbine generator, the wind turbine generator deflects along with the wind direction due to the change of the wind direction, and the yawing system ensures that the wind turbine generator rotates stably and is accurately positioned and aligned with the wind direction by adjusting the pressure of brake calipers on the brake disc. Due to frequent action and large friction force, the brake disc can be worn, and the yaw stability and safety of the wind turbine are affected. And the brake disc is installed at the joint of the wind turbine engine room and the tower drum, so that the brake disc replacement difficulty is high and the danger coefficient is high.

Therefore, the yaw brake disc for the wind turbine generator set is provided

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a driftage brake disc for wind turbine generator system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a driftage brake disc for wind turbine generator system, includes main part and brake disc, the brake disc with the main part all is loop configuration, the quantity of brake disc is two, and two the brake disc is located respectively the upper and lower surface of main part, the lateral wall of main part is equipped with a plurality of cell bodies, the inside wall of cell body rotates respectively and is connected with the sleeve, telescopic inside wall spiro union has fixing bolt's one end respectively, the terminal surface of brake disc corresponds cell body department is equipped with logical groove respectively, fixing bolt's the other end passes logical groove with the brake disc contact.

Preferably, the main body is arranged coaxially with the brake disc.

Preferably, the outer diameter of the brake disc is larger than the outer diameter of the main body.

Preferably, the outer side wall of the main body is provided with a plurality of cooling fins.

Preferably, the cooling fins are annular, and the cooling fins and the main body are coaxially arranged.

Preferably, the radiating fins are rectangular and are vertically arranged on the outer side wall of the main body.

Preferably, the heat radiating fins are rectangular, and the heat radiating fins are obliquely arranged on the outer side wall of the main body.

Preferably, the radiating fins are provided with notches corresponding to the groove body.

Preferably, one end of the inner side wall of the through groove, which is far away from the main body, is provided with a fixing groove, and the other end of the fixing bolt is located inside the fixing groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a driftage brake disc for wind turbine generator system, through setting up the main part, sets up the brake block respectively at the upper and lower surface of main part to in the course of the work, by brake block and brake caliper contact, but the main part can not contact with the main part, after wearing and tearing are comparatively serious, only need change the brake block can, through set up the cell body in the main part, and lateral wall rotates the connecting sleeve in the cell body, makes the sleeve can the inside rotation of cell body, through at the inside spiro union fixing bolt of sleeve, thereby make fixing bolt rotate along with telescopic rotation, through setting up logical groove in the brake disc correspondence cell body department, make fixing bolt also rotate along leading to the groove, and then screw fastening bolt behind the logical groove, and then fix the brake disc in the main part, installation convenient and fast, the change of being convenient for.

Drawings

Fig. 1 is a schematic front view, sectional structure of embodiment 1 of the present invention;

fig. 2 is a schematic front view of embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a brake disc located at the upper end of a main body according to embodiment 1 of the present invention from top view;

fig. 4 is a schematic structural view of a brake disc located at the lower end of a main body according to embodiment 1 of the present invention from top view;

fig. 5 is a schematic top view of a cross-sectional structure according to embodiment 1 of the present invention;

fig. 6 is a schematic front view of embodiment 2 of the present invention;

fig. 7 is a schematic front view, sectional structure of embodiment 2 of the present invention;

fig. 8 is a schematic front view of embodiment 3 of the present invention.

In the figure: 1-main body, 2-brake disc, 3-fixing groove, 4-groove body, 5-sleeve, 6-fixing bolt, 7-through groove and 8-radiating fin.

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.

Example 1

Referring to fig. 1-5, the present invention provides a technical solution: a yaw brake disc for a wind generating set comprises a main body 1 and a brake disc 2, as shown in FIGS. 3 and 5, the brake disc 2 and the main body 1 are both in an annular structure, generally speaking, a yaw brake disc of a wind generating set is in an annular structure, during yaw, a brake caliper drives a brake pad on the yaw brake disc to rub against the brake disc to realize a yaw speed control function, in order to enable the installation universality of the brake disc to be better, the number of the brake discs 2 is two due to better matching effect of the brake caliper and the brake disc, the diameters of the two brake discs 2 are equal and are concentrically arranged, so that the yaw brake disc of the wind generating set is not limited by the installation direction and can meet various installation modes, and the two brake discs 2 are respectively arranged on the upper surface and the lower surface of the main body 1, so that only two brake discs 2 are in contact with the brake caliper to generate abrasion during operation, and main part 1 has then avoided with the preceding direct contact of brake to the durability of device has been guaranteed, as shown in fig. 1, the lateral wall of main part 1 is equipped with a plurality of cell bodies 4, the inside wall of cell body 4 rotates respectively and is connected with sleeve 5, the rotation axle center of sleeve 5 with the axle center extension line of main part 1 is mutually perpendicular, as shown in fig. 5, cell body 4 along main part 1 axle center is radial setting in the edge of main part 1, cell body 4 is located respectively two upper and lower surfaces of main part 1, so that fix respectively two upper and lower brake disc 2, as shown in fig. 2, for reducing the thickness of main part 1, the cell body 4 of upper and lower both sides is crisscross to be set up, the inside wall of sleeve 5 spiro union has the one end of fixing bolt 6 respectively, it needs to notice that fixing bolt 6 along with sleeve 5 rotates 180, namely, the fixing bolts are long enough and cannot be blocked by the main body 1 in the rotating process, through grooves 7 are respectively arranged on the end surfaces of the brake disc 2 corresponding to the groove bodies 4, the through grooves 7 are radially arranged along the axis of the brake disc 2, the fixing bolts 6 can enter the through grooves 7 along the opening ends of the through grooves 7, then the fixing bolts 6 are rotated to fix the brake disc 2 on the main body 1, the other ends of the fixing bolts 6 penetrate through the through grooves 7 to be in contact with the brake disc 2, meanwhile, the through grooves 7 form acute scrap grooves, the wind turbine deflects along with the wind direction due to the change of the wind direction, and the yawing system ensures that the wind turbine stably rotates and accurately positions and aligns the wind direction by adjusting the pressure of brake calipers on the brake disc 2. Because the action is frequent and frictional force is big, the wearing and tearing condition can appear in brake disc 2, and then produces the piece, and the piece gathering can cause the further damage to brake disc 2 surface after contacting with the brake caliper at the surface of brake disc 2, and influences the braking effect, and sets up logical groove 7 can make the piece get into in leading to groove 7, avoid the piece to adhere to the surface of brake disc 2.

Specifically, the main body 1 and the brake disc 2 are coaxially arranged, and generally, the yaw brake disc of the wind turbine generator system is an annular structure, and when the yaw brake disc is in yaw, a brake caliper drives a brake pad on the yaw brake disc to rub with the brake disc so as to realize the function of controlling the yaw speed. In order to ensure that the installation universality of the brake disc is better, the matching effect of the brake caliper and the brake disc is better, and the two brake discs 2 are equal in diameter and are concentrically arranged. Therefore, the yaw brake disc of the wind generating set is not limited by the installation direction and can meet various installation modes, and the main body 1 and the brake disc 2 are coaxially arranged, so that eccentric force cannot be generated during transmission.

Specifically, the outer diameter of the brake disc 2 is larger than that of the main body 1, so that only two brake discs 2 are in contact with the brake caliper on the side wall of the device, the main body 1 is prevented from being abraded, the outer diameter of the brake discs 2 is larger than that of the main body 1, and the brake discs 2 are conveniently held in the dismounting process.

Specifically, a plurality of heat dissipation fins 8 are arranged on the outer side wall of the main body 1, the heat dissipation fins 8 are made of copper, so that heat dissipation is facilitated, when the brake disc 2 contacts with the brake caliper, large heat is generated, if the generated heat is not dissipated in time, the generated heat is gathered in the brake disc 2, the brake disc 2 is greatly damaged, and even the brake disc 2 is deformed, a plurality of heat radiating fins 8 are provided on the surface of the main body 1, thereby increasing the contact area of the main body 1 with the external air, further timely dissipating the heat generated by the brake disc 2 and timely cooling the brake disc 2, since the outer diameter of the brake disc 2 is larger than the outer diameter of the main body 1, the heat sink 8 can be arranged at the gap between two brake discs 2, the radiating fins 8 should not exceed the edge of the brake disc 2, so as to avoid influencing the work of the brake disc 2.

Specifically, the radiating fins 8 are annular, the radiating fins 8 are arranged coaxially with the main body 1, the radiating fins 8 are convenient to process, the radiating fins 8 can be integrally formed with the main body 1, the main body 1 can be processed by using a lathe, and the radiating fins 8 do not generate resistance when the main body 1 rotates.

Specifically, as shown in fig. 5, the heat sink 8 is provided with a notch corresponding to the slot 4, so that the fixing bolt 6 can still turn over along with the sleeve 5 and is not blocked by the heat sink 8.

Particularly, the inside wall that leads to groove 7 is kept away from the one end of main part 1 is equipped with fixed slot 3 respectively, fixing bolt 6's the other end is located the inside of fixed slot 3, promptly fixing bolt 6's nut is located the inside of fixed slot 3, fixing bolt 6's nut's lower surface supports the lower surface of fixed slot 3 makes fixing bolt 6's nut is hidden the inside of fixed slot 3 can not make the surface of brake disc 2 produces the arch.

The working principle is as follows: the utility model discloses during the use, when brake disc 2 produces wearing and tearing need be changed, rotatory fixing bolt 6 for fixing bolt 6 breaks away from with brake disc 2, along leading to the open end of groove 7, roll out fixing bolt 6, can pull down brake disc 2, and fixing bolt 6 is located sleeve 5 all the time, when installing new brake disc 2, changes over to fixing bolt 6 along leading to groove 7, screws fixing bolt 6 and can accomplish the installation, simple to operate, and is efficient.

Example 2

Referring to fig. 6 to 7, the present embodiment is different from embodiment 1 in that: the radiating fins 8 are rectangular, the radiating fins 8 are vertically arranged on the outer side wall of the main body 1, and by means of the radiating fins 8, the contact area between the radiating fins and air is larger, and radiating efficiency is better.

Example 3

Referring to fig. 8, the difference between the present embodiment and embodiment 1 is: the radiating fins 8 are rectangular, the radiating fins 8 are obliquely arranged on the outer side wall of the main body 1, the radiating fins 8 are obliquely arranged, the contact area between the radiating fins and air is further increased, and the radiating effect is stronger.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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

Claims

1. The utility model provides a driftage brake disc for wind turbine generator system, includes main part (1) and brake disc (2), its characterized in that: brake disc (2) with main part (1) all is the loop configuration, the quantity of brake disc (2) is two, and two brake disc (2) is located respectively the upper and lower surface of main part (1), the lateral wall of main part (1) is equipped with a plurality of cell bodies (4), the inside wall of cell body (4) rotates respectively and is connected with sleeve (5), the inside wall of sleeve (5) spiro union has the one end of fixing bolt (6) respectively, the terminal surface of brake disc (2) corresponds cell body (4) punishment do not is equipped with logical groove (7), the other end of fixing bolt (6) passes logical groove (7) with brake disc (2) contact.

2. A yaw brake disc for a wind turbine according to claim 1, characterized in that: the main body (1) and the brake disc (2) are coaxially arranged.

3. A yaw brake disc for a wind turbine according to claim 2, characterized in that: the outer diameter of the brake disc (2) is larger than that of the main body (1).

4. A yaw brake disc for a wind turbine according to claim 3, characterized in that: the outer side wall of the main body (1) is provided with a plurality of radiating fins (8).

5. A yaw brake disc for a wind turbine according to claim 4, characterized in that: the radiating fins (8) are annular, and the radiating fins (8) and the main body (1) are coaxially arranged.

6. A yaw brake disc for a wind turbine according to claim 4, characterized in that: the radiating fins (8) are rectangular, and the radiating fins (8) are vertically arranged on the outer side wall of the main body (1).

7. A yaw brake disc for a wind turbine according to claim 4, characterized in that: the radiating fins (8) are rectangular, and the radiating fins (8) are obliquely arranged on the outer side wall of the main body (1).

8. A yaw brake disc for a wind turbine according to any one of claims 5-7, characterized in that: the radiating fins (8) are provided with notches corresponding to the groove body (4).

9. A yaw brake disc for a wind turbine according to any one of claims 1-7, characterized in that: the inside wall that leads to groove (7) is kept away from the one end of main part (1) is equipped with fixed slot (3) respectively, the other end of fixing bolt (6) is located the inside of fixed slot (3).