A brake device for a wind power generation set
By designing movable brake pads and a fan cooling system, the problems of brake pad wear and poor heat dissipation were solved, extending service life and improving the reliability of wind turbine generators.
Patent Information
- Application Number
- CN202520171666.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-26
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-26
AI Technical Summary
The brake pads of existing wind turbine braking devices are severely worn and have poor heat dissipation, affecting their service life.
A movable brake pad structure was designed, which combines a fan and air duct system for heat dissipation and is equipped with a dust filter plate to filter the air and prevent dust from entering.
It extends the service life of brake pads, improves braking performance, and enhances the overall reliability of the device.
Smart Images

Figure CN223608689U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wind power generation technical field more specifically, it relates to a brake device of wind power generation group. BACKGROUND
[0002] Wind power generation group is the mechanical work that will wind energy conversion, mechanical work drives rotor rotation, ultimately output ac power equipment, wind driven generator generally has wind wheel, generator (including device), steering (tail wing), tower, speed limiting safety mechanism and energy storage device etc.
[0003] The existing wind power generation group brake device most brake pads are fixed installation, long time use brake pad surface will inevitably appear the phenomenon of abrasion, long-term does not replace, will cause the influence to the brake effect of brake device;
[0004] And brake pad when with brake disc contact, its between inevitable will appear the phenomenon of friction, at this moment brake disc and brake pad will generate a large amount of heat naturally, does not promptly carry out heat dissipation, will inevitably cause the influence to the service life of brake pad. UTILITY MODEL CONTENTS
[0005] (I) the technical problem solved
[0006] In view of the problems in the prior art, the utility model provides a brake device of wind power generation group to solve the technical problem that most brake pads of the existing wind power generation group brake device are fixed installation and the surface of brake pad will inevitably appear abrasion after long time use.
[0007] (II) technical scheme
[0008] To achieve the above object, the utility model provides following technical scheme: A brake device of wind power generation group, including the casing, the inside rotation of casing is equipped with the rotating shaft, one end of rotating shaft passes through the casing and is equipped with the wind wheel, the tail of casing is equipped with the generator, the other end of rotating shaft is connected with the output end of generator, the outer wall of rotating shaft and located inside casing is fixedly equipped with the brake disc, both sides of brake disc and located on the inner wall of casing all are equipped with fixed block, the outer wall of fixed block all is equipped with electric push rod, the output end of electric push rod all is equipped with the push board, the outer wall of push board all is equipped with trapezoidal groove, the inside of trapezoidal groove all is equipped with trapezoidal block, the outer wall of trapezoidal block all is equipped with brake pad, the inner wall of brake pad and located both sides all is equipped with connecting block, the outer wall of connecting block and push board all is equipped with connecting hole correspondingly, the inside of connecting hole all is equipped with connecting screw, the upper end surface of casing is equipped with windbox, the front end of windbox is equipped with air inlet.
[0009] The utility model further sets up, one side of air inlet and located inside windbox is equipped with fan, one end of windbox is fixedly equipped with air guide pipe, the other end of air guide pipe passes through casing and is equipped with annular pipe, the outer wall of annular pipe is equipped with air outlet head, the air outlet head is equipped with multiple and is in circumferential shape arrangement, is convenient for the air blowing heat dissipation of brake pad.
[0010] The utility model further sets up, annular pipe and air outlet head all are located one side of brake disc.
[0011] The utility model further sets up, the upper end surface of windbox is equipped with jack, the inside sliding of jack is equipped with filter dust board, filter dust board is located the intermediate position of fan and air inlet, is convenient for the airflow that enters to the inside of windbox filters.
[0012] The utility model further sets up, the upper end of filter dust board passes through windbox and is equipped with mounting block, the both sides of mounting block and located the upper end surface of windbox all are equipped with guard board, the sliding of guard board is equipped with locking pin, the locking hole of mounting block is equipped with correspondingly, the one end of locking pin is located the inside of locking hole, is convenient for the filter dust board to dismantle and install.
[0013] The utility model further sets up, the other end of locking pin is equipped with pull block, is equipped with spring between pull block and guard board, is convenient for the locking pin to be inserted into locking hole.
[0014] The utility model further sets up, the lower end surface of casing and located one side is equipped with air outlet, is convenient for the hot air to blow out.
[0015] The utility model further sets up, the outer end of generator is equipped with the protection cover, the protection cover and casing fixed connection, is convenient for the protection of generator.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a brake device of wind power generation group has the following beneficial effects:
[0018] 1, through setting up the brake disc, brake pad and electric push rod, so that the user can control electric push rod to drive the brake pad to move to make it with brake disc contact, and then realize the brake effect, can be replaced by disassembling connecting screw, and through the cooperation of trapezoidal block and trapezoidal groove brake pad is taken out, to facilitate subsequent replacement.
[0019] 2, through setting up the wind box, air inlet hole, fan and annular pipe, so that the user can open the fan to make the outside air accelerate into the wind box, then through the air duct into the annular pipe and through the air outlet head to spray, to facilitate in the process of braking can blow the brake pad and brake disc, and then make the heat on the brake pad quickly dissipate, to increase its service life, facilitate long-term use.
[0020] 3, through setting up the filter dust plate, guard and locking pin, so that the filter dust plate can filter the air entering the inside of the wind box, to filter out the dust inside, and then prevent damage to the internal parts of the casing, the subsequent can pull the pull block to make the locking pin disengages the locking hole, to disassemble the filter dust plate, facilitate subsequent cleaning. DETAILED DESCRIPTION
[0021] Figure 1 It is a kind of brake device of wind power generation group whole schematic diagram under the condition of not using;
[0022] Figure 2 It is a kind of brake device of wind power generation group whole sectional view;
[0023] Figure 3 It is the installation explosion drawing of electric push rod upper push plate, brake pad and connecting screw;
[0024] Figure 4 It is the installation explosion drawing of wind box jack, filter dust plate and locking pin;
[0025] Figure 5 It is the position schematic diagram of casing guard cover.
[0026] In the figure: 1, the shell; 2, rotating shaft; 3, wind wheel; 4, generator; 5, brake disc; 6, fixed block; 7, electric push rod; 8, push plate; 9, trapezoidal groove; 10, trapezoidal block; 11, brake pad; 12, connecting block; 13, connecting hole; 14, connecting screw; 15, wind box; 16, air inlet hole; 17, fan; 18, air guide pipe; 19, annular pipe; 20, air outlet head; 21, jack; 22, dust filter plate; 23, mounting block; 24, guard plate; 25, locking pin; 26, locking hole; 27, pull block; 28, spring; 29, air outlet hole; 30, protective cover. DETAILED DESCRIPTION
[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0029] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.
[0030] Please refer to Figures 1-5 A brake device of a wind power generation set, comprising a shell 1, a rotating shaft 2 is rotatably arranged in the shell 1, one end of the rotating shaft 2 penetrates through the shell 1 and is provided with a wind wheel 3, a tail part of the shell 1 is provided with a generator 4, the other end of the rotating shaft 2 is connected with an output end of the generator 4, a brake disc 5 is fixedly arranged on an outer wall of the rotating shaft 2 and located in the shell 1, fixed blocks 6 are arranged on both sides of the brake disc 5 and located on inner walls of the shell 1, electric push rods 7 are arranged on outer walls of the fixed blocks 6, push plates 8 are arranged at output ends of the electric push rods 7, trapezoidal grooves 9 are formed in outer walls of the push plates 8, trapezoidal blocks 10 are slidably arranged in the trapezoidal grooves 9, brake pads 11 are arranged on outer walls of the trapezoidal blocks 10, connecting blocks 12 are arranged on inner walls of the brake pads 11 and located on both sides, connecting holes 13 are formed in outer walls of the push plates 8 and the connecting blocks 12, connecting screws 14 are arranged in the connecting holes 13, a wind box 15 is arranged on an upper end surface of the shell 1, and an air inlet hole 16 is formed in a front end of the wind box 15.
[0031] In this embodiment, one side of the air inlet hole 16 and inside the air bellow 15 is provided with a fan 17, one end of the air bellow 15 is fixedly provided with an air guide pipe 18, the other end of the air guide pipe 18 penetrates through the casing 1 and is provided with an annular pipe 19, the outer wall of the annular pipe 19 is provided with a plurality of air outlet heads 20 arranged in a circumferential direction, the annular pipe 19 and the air outlet heads 20 are located at one side of the brake disc 5, and the lower end surface of the casing 1 and at one side is provided with an air outlet hole 29.
[0032] More specifically, the user can control the electric push rod 7 to drive the brake pad 11 to move and contact the brake disc 5 to achieve the braking effect, when replacing, the brake pad 11 can be taken out through the cooperation of the trapezoidal block 10 and the trapezoidal groove 9 by disassembling the connecting screw 14, to facilitate subsequent replacement, and the fan 17 can be opened to accelerate the external air into the air bellow 15 during braking, and then the air enters the annular pipe 19 through the air guide pipe 18 and is sprayed out through the air outlet head 20, to facilitate blowing the brake pad 11 and the brake disc 5 during braking, thereby quickly dissipating the heat on the brake pad 11, to increase the service life and facilitate long-term use.
[0033] Please refer to Figure 1 , Figure 2 and Figure 4 , as an embodiment for filtering the entering air to remove dust: the upper end surface of the air bellow 15 is provided with a plug hole 21, the plug hole 21 is slidably provided with a dust filter plate 22, the dust filter plate 22 is located at the middle position between the fan 17 and the air inlet hole 16, the upper end of the dust filter plate 22 penetrates through the air bellow 15 and is provided with a mounting block 23, the two sides of the mounting block 23 and the upper end surface of the air bellow 15 are provided with a guard plate 24, the guard plate 24 is slidably provided with a locking pin 25, the mounting block 23 is provided with a locking hole 26 corresponding to the locking pin 25, one end of the locking pin 25 is located in the locking hole 26, and the other end of the locking pin 25 is provided with a pull block 27, and the pull block 27 and the guard plate 24 are provided with a spring 28.
[0034] Specifically, by providing the dust filter plate 22 inside the air bellow 15, the air entering the air bellow 15 can be filtered to remove the dust inside, thereby preventing damage to the internal parts of the casing 1, and the dust filter plate 22 can be disassembled by pulling the pull block 27 to make the locking pin 25 disengage from the locking hole 26, to facilitate subsequent cleaning.
[0035] Please refer to Figure 1 , as a further embodiment for protecting the generator 4: the outer end of the generator 4 is provided with a protective cover 30, and the protective cover 30 is fixedly connected with the casing 1.
[0036] Specifically, the generator 4 can be protected to increase the service life of the device.
[0037] In summary, the overall device in use: the user can control the electric push rod 7 to drive the brake pad 11 to move, so as to contact with the brake disc 5, and then realize the brake effect, when braking, can also be opened fan 17 to make the outside air into the air bellow 15, then through the air pipe 18 into the annular pipe 19 and through the air outlet 20, to facilitate the process of braking can be blown to the brake pad 11 and brake disc 5, so that the heat on the brake pad 11 quickly dissipate, to increase its service life, convenient for long-term use, need to replace the brake pad 11, can be disassembled connecting screw 14, and through the trapezoidal block 10 and trapezoidal groove 9 cooperation to take out the brake pad 11, to facilitate subsequent replacement, by setting the filter plate 22 in the air bellow 15, can filter the air into the air bellow 15 inside, to filter out the dust inside, so as to prevent the damage to the internal parts of the shell 1, can pull the pull block 27 to make the locking pin 25 away from the locking hole 26, to disassemble the filter plate 22, convenient for subsequent cleaning.
[0038] In the above-mentioned all schemes, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection or other known connection mode, which will not be described here, and the fixed connection mentioned above is preferably welded, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A brake device for a wind power generator set comprising a casing (1), characterized in that: The inside of the shell (1) is rotatably provided with a rotating shaft (2), one end of the rotating shaft (2) penetrates the shell (1) and is provided with a wind wheel (3), the tail of the shell (1) is provided with a generator (4), the other end of the rotating shaft (2) is connected with the output end of the generator (4), the outer wall of the rotating shaft (2) and located in the inside of the shell (1) is fixedly provided with a brake disc (5), both sides of the brake disc (5) and located on the inner wall of the shell (1) are provided with a fixed block (6), the outer wall of the fixed block (6) is provided with an electric push rod (7), the output end of the electric push rod (7) is provided with a push plate (8), the outer wall of the push plate (8) is provided with a trapezoidal groove (9), the trapezoidal groove (9) is slidably provided with a trapezoidal block (10), the outer wall of the trapezoidal block (10) is provided with a brake pad (11), the inner wall of the brake pad (11) and located on both sides is provided with a connecting block (12), the connecting block (12) and the outer wall of the push plate (8) are provided with a connecting hole (13) corresponding, the connecting hole (13) is provided with a connecting screw (14), the upper end surface of the shell (1) is provided with a wind box (15), the front end of the wind box (15) is provided with an air inlet hole (16).
2. A brake device for a wind power generator set according to claim 1, characterized in that: One side of the air inlet hole (16) and located in the inside of the wind box (15) is provided with a fan (17), one end of the wind box (15) is fixedly provided with an air guide pipe (18), the other end of the air guide pipe (18) penetrates the shell (1) and is provided with an annular pipe (19), the outer wall of the annular pipe (19) is provided with an air outlet head (20), the air outlet head (20) is provided with a plurality of and arranged in a circular manner.
3. A brake device for a wind power generator set according to claim 2, characterized in that: The annular pipe (19) and the air outlet head (20) are located on one side of the brake disc (5).
4. A brake device for a wind power generator set according to claim 2, characterized in that: The upper end surface of the wind box (15) is provided with a jack (21), the inside of the jack (21) is slidably provided with a dust filter plate (22), the dust filter plate (22) is located at the intermediate position of the fan (17) and the air inlet hole (16).
5. A brake device for a wind power generator group according to claim 4, characterized in that: The upper end of the dust filter plate (22) penetrates the wind box (15) and is provided with a mounting block (23), the both sides of the mounting block (23) and located on the upper end surface of the wind box (15) are provided with a guard plate (24), the guard plate (24) is slidably provided with a locking pin (25), the mounting block (23) is provided with a locking hole (26) corresponding, one end of the locking pin (25) is located in the inside of the locking hole (26).
6. A brake device for a wind power generator group according to claim 5, characterized in that: The other end of the locking pin (25) is provided with a pull block (27), the spring (28) is arranged between the pull block (27) and the guard plate (24).
7. A brake device for a wind power generator group according to claim 1, characterized in that: The lower end surface of the shell (1) and located on one side is provided with an air outlet hole (29).
8. A brake device for a wind power generator group according to claim 1, characterized in that: The outer end of the generator (4) is provided with a protective cover (30), the protective cover (30) is fixedly connected with the shell (1).