CN216407571U

CN216407571U - Cooling device of disc brake

Info

Publication number: CN216407571U
Application number: CN202122507489.XU
Authority: CN
Inventors: 肖欢
Original assignee: Anhui Vocational and Technical College
Current assignee: Anhui Vocational and Technical College
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-29
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a cooling device of a disc brake, belonging to the technical field of brakes. The utility model provides a disk brake's cooling device, includes brake disc and arresting gear, a plurality of screw thread through-holes that are the annular and distribute are seted up to brake disc middle part level, a plurality of louvres have been seted up to brake disc side level, two are annular radiating grooves all seted up to brake disc both sides face, the radiating groove is linked together with a plurality of louvres, arresting gear is including settling frame, two braking pieces, two slides and driver part, two all be equipped with cooling part in the braking piece, cooling part includes pivot, impeller and rotary part, rotary part includes worm wheel, worm and two gyro wheels. The utility model effectively solves the problem of low heat dissipation efficiency caused by heat dissipation by natural circulation of air.

Description

Cooling device of disc brake

Technical Field

The utility model relates to the technical field of brakes, in particular to a cooling device of a disc brake.

Background

The conventional disc brake has a function of decelerating, stopping, or maintaining a vehicle in a stopped state by bringing a brake pad and a brake disc into contact with each other during braking, and a large amount of frictional heat is generated when the brake disc rotates along with a wheel and comes into contact with the brake pad during braking, so that the brake device is softened due to an excessively high temperature, a friction coefficient is reduced, and a braking effect is reduced, and thus the temperature of the brake device needs to be lowered.

The cooling mode of the existing brake is various, but most of the existing brake depends on the running process of a vehicle, and the natural circulation of air distributes the heat of a brake pad and a brake disc, so that the heat dissipation efficiency is low.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to provide a cooling device of a disc brake, which solves the problems in the prior art:

the natural circulation of air distributes the heat of the brake pad and the brake disc during the running process of the vehicle, which causes the problem of low heat dissipation efficiency.

2. Technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme:

a cooling device of a disc brake comprises a brake disc and a brake device, wherein a plurality of threaded through holes distributed in an annular shape are horizontally formed in the middle of the brake disc, a plurality of heat dissipation holes are horizontally formed in the side surface of the brake disc, two annular heat dissipation grooves are formed in the two side surfaces of the brake disc and communicated with the heat dissipation holes, the brake device comprises a placement frame, two brake pieces, two sliding plates and a driving part, limiting grooves are horizontally formed in the upper inner wall and the lower inner wall of the placement frame, the two sliding plates are slidably mounted in the placement frame through the limiting grooves, one ends, close to the brake disc, of the two sliding plates are fixedly connected with the outer arc surfaces of the two brake pieces respectively, cooling parts are arranged in the two brake pieces and comprise rotating shafts, impellers and rotating parts, placement grooves are horizontally and radially formed in the side surfaces, far away from the brake disc, of the brake pieces, the rotary shaft is horizontally and radially fixedly installed at the bottom of the placement groove, the impeller is rotatably sleeved on the rotary shaft, a plurality of ventilation openings are formed in the bottom of the placement groove, the rotary part comprises a worm wheel, a worm and two rollers, a placement opening communicated with the placement groove is horizontally and radially formed in the outer side surface of the braking piece, two ends of the worm are respectively rotatably installed on two side walls of the placement opening, the two rollers are symmetrically and fixedly sleeved on the worm, the outer arc surface of the worm is flush with the side surface, close to the braking disc, of the braking piece, and the worm wheel is fixedly sleeved on the impeller and is connected with the worm in a meshed mode.

Preferably, the driving part comprises a cylinder body, two sliding rods, two pistons, a first oil delivery pipe and two second oil delivery pipes, wherein two supporting plates are fixedly and vertically arranged in the placement frame, the cylinder body is horizontally and fixedly sleeved in the two supporting plates, the two sliding rods are respectively and horizontally and slidably sleeved in two end faces of the cylinder body, the two pistons are respectively and slidably sleeved in the cylinder body in a sealing manner, one faces away from each other are respectively and fixedly connected with one ends, close to the two sliding rods, of the two sliding rods, the first oil delivery pipe is fixedly sleeved on the outer arc surface of the cylinder body and located in the middle, the first oil delivery pipe is communicated with the cylinder body, the two oil delivery pipes are respectively and fixedly sleeved on two end faces of the cylinder body and are communicated with the cylinder body, and one ends, away from the cylinder body, of the first oil delivery pipes and the two oil delivery pipes are communicated with an external hydraulic pump.

Preferably, a liquid storage cavity is formed in the brake piece, cooling liquid is stored in the liquid storage cavity, a refrigerating device is fixedly mounted on the outer arc surface of the brake piece, the refrigerating device is communicated with the inside of the liquid storage cavity and is in contact with the cooling liquid, a plurality of cooling pipes are horizontally and fixedly sleeved in the side wall of the placement groove, and the plurality of cooling pipes are communicated with the inside of the liquid storage cavity.

Preferably, the worm is hollow, two ends of the worm penetrate into the liquid storage cavity, and the turbines are fixedly sleeved inside the two ends of the worm.

3. Advantageous effects

(1) The two brake pieces are driven by the driving part to be close to each other and are in contact with the brake disc to generate friction for braking, when the brake pieces are in contact with the brake disc, sliding friction exists between the brake pieces and the brake disc, rolling friction exists between the roller and the brake disc, the roller rotates to drive the worm, the worm drives the worm wheel, the worm wheel drives the impeller, the impeller exhausts air through the ventilation opening to drive airflow to flow in the heat dissipation holes and the heat dissipation grooves, the heat dissipation speed is accelerated, and compared with the natural circulation heat dissipation of air, the heat dissipation efficiency is higher;

(2) according to the utility model, the cooling liquid in the liquid storage cavity absorbs heat generated by friction of the brake pad, the worm rotates, the two turbines are driven to rotate at the same time, the two turbines drive the cooling liquid to circularly flow in the liquid storage cavity and the plurality of cooling pipes, the cooling liquid circularly cools the brake pad under the action of the cooling device, and meanwhile, the impeller exhausts cold air around the cooling pipes to the brake device, so that the cooling efficiency is further improved, and the heat dissipation effect on the brake device is better.

Drawings

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

FIG. 2 is a side view, partially in cross-section, of the present invention;

FIG. 3 is a schematic cross-sectional view of the front portion of the present invention;

FIG. 4 is a schematic structural view of portion A of FIG. 1 according to the present invention;

fig. 5 is a schematic structural diagram of part B in fig. 2 according to the present invention.

The reference numbers in the figures illustrate:

1. a brake disc; 2. a threaded through hole; 3. heat dissipation holes; 4. a heat sink; 5. a mounting frame; 6. a brake pad; 7. a slide plate; 8. a rotating shaft; 9. an impeller; 10. a placing groove; 11. a vent; 12. a worm gear; 13. a worm; 14. a roller; 15. a placement port; 16. a cylinder body; 17. a slide bar; 18. a piston; 19. a first oil delivery pipe; 20. a second oil delivery pipe; 21. a support plate; 22. a liquid storage cavity; 23. a refrigeration device; 24. a cooling tube; 25. a turbine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-5, a cooling device of a disc brake comprises a brake disc 1 and a brake device, wherein a plurality of threaded through holes 2 distributed in an annular shape are horizontally formed in the middle of the brake disc 1, a plurality of heat dissipation holes 3 are horizontally formed in the side surface of the brake disc 1, two annular heat dissipation grooves 4 are formed in both side surfaces of the brake disc 1, the heat dissipation grooves 4 are communicated with the heat dissipation holes 3, the brake device comprises a placement frame 5, two brake pads 6, two sliding plates 7 and a driving part, limiting grooves are horizontally formed in the upper and lower inner walls of the placement frame 5, the two sliding plates 7 are slidably mounted in the placement frame 5 through the limiting grooves, one ends of the two sliding plates close to the brake disc 1 are fixedly connected with the outer arc surfaces of the two brake pads 6 respectively, cooling parts are arranged in the two brake pads 6 and comprise a rotating shaft 8, an impeller 9 and a rotating part, a placement groove 10 is horizontally and radially formed in the side surface of the brake pad 6 far away from the brake disc 1, the horizontal radial fixed mounting of pivot 8 is in the tank bottom of resettlement groove 10, impeller 9 rotates the cover and establishes in pivot 8, multiple vent 11 has been seted up to resettlement groove 10 tank bottom, rotary part includes worm wheel 12, worm 13 and two

gyro wheels

14, 6 lateral surface levels of braking piece are radially seted up and are settled mouthful 15 with resettlement groove 10 and be linked together, worm 13 both ends rotate respectively and install in 15 both sides walls of settling mouthful, two gyro wheels 14 symmetry fixed cup joints on worm 13, and the outer arc face flushes with the lateral surface that braking piece 6 is close to brake disc 1, worm wheel 12 is fixed to be cup jointed on impeller 9, and is connected with worm 13 meshing.

The driving part comprises a cylinder body 16, two sliding rods 17, two pistons 18, a first oil delivery pipe 19 and two second oil delivery pipes 20, two supporting plates 21 are vertically and fixedly installed in the placement frame 5, the cylinder body 16 is horizontally and fixedly sleeved in the two supporting plates 21, the two sliding rods 17 are respectively and horizontally and slidably sleeved in the two end faces of the cylinder body 16 in a sealing manner, the two pistons 18 are respectively and slidably sleeved in the cylinder body 16 in a sealing manner, the surfaces far away from each other are respectively and fixedly connected with the ends, close to each other, of the two sliding rods 17, the first oil delivery pipe 19 is fixedly sleeved on the outer arc surface of the cylinder body 16 and is positioned in the middle, the first oil delivery pipe 19 is communicated with the interior of the cylinder body 16, the two second oil delivery pipes 20 are respectively and fixedly sleeved on the two end faces of the cylinder body 16 and are communicated with the interior of the cylinder body 16, and the ends, far away from the cylinder body 16, of the first oil delivery pipe 19 and the two second oil delivery pipes 20 are communicated with an external hydraulic pump.

The utility model is provided with a driving part, when braking is needed, an external hydraulic pump injects hydraulic oil into a cylinder body 16 through two second oil pipelines 20 to push two pistons 18 to approach each other, the two pistons 18 extrude the hydraulic oil in the middle of the pistons through a first oil pipeline 19 and simultaneously drive two slide bars 17 to approach each other, the two slide bars 17 drive two sliding plates 7 to approach each other, the two sliding plates 7 drive two brake pads 6 to approach each other and contact with two side surfaces of a brake disc 1, braking is carried out by sliding friction, when the brake pads 6 contact with the brake disc 1, the two rollers 14 roll under the driving of the rolling of the brake disc 1 to drive a worm 13 to rotate, the worm 13 rotates to drive a worm wheel 12 engaged with the worm to rotate, the worm wheel 12 rotates to drive an impeller 9 to rotate, the impeller 9 rotates to drive air flow, the airflow is guided into the heat dissipation holes 3 and the heat dissipation grooves 4 through the ventilation openings 11, the heat dissipation speed is accelerated, the airflow can penetrate through the interior of the braking device in such a mode, heat is taken out and dissipated, and compared with the mode of naturally circulating and dissipating heat by means of air, the heat dissipation efficiency is high.

Example 2:

referring to fig. 5, the difference between the brake pad and the embodiment 1 is that a liquid storage cavity 22 is formed inside the brake pad 6, a cooling liquid is stored in the liquid storage cavity 22, a refrigeration device 23 is fixedly installed on the outer arc surface of the brake pad 6, the refrigeration device 23 is communicated with the inside of the liquid storage cavity 22 and contacts with the cooling liquid, a plurality of cooling pipes 24 are horizontally and fixedly sleeved in the side wall of the accommodating groove 10, and the plurality of cooling pipes 24 are communicated with the inside of the liquid storage cavity 22.

The worm 13 is hollow, two ends of the worm penetrate into the liquid storage cavity 22, and the worm 13 is fixedly sleeved with a turbine 25 in the two ends.

During braking, the coolant in the reservoir chamber 22 can absorb the heat in the brake disc 6, and under the effect of the refrigerating device 23, the cooling effect is achieved, when the worm 13 rotates, the two turbines 25 are driven to rotate, the two turbines 25 drive the coolant to circularly flow in the reservoir chamber 22, the worm 13 and the plurality of cooling pipes 24, when the coolant flows to the refrigerating device 23, the refrigerating device 23 cools the coolant, when the impeller 9 rotates, the air with lower temperature around the cooling pipes 24 is guided to the braking device, the cooling efficiency is further improved, and the heat dissipation effect of the braking device is better.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a cooling device of disk brake, includes brake disc (1) and arresting gear, a plurality of screw through-hole (2) that are the annular and distribute are seted up to brake disc (1) middle part level, a plurality of louvres (3) have been seted up to brake disc (1) side level, two are annular radiating groove (4) have all been seted up to brake disc (1) both sides face, radiating groove (4) are linked together with a plurality of louvres (3), arresting gear is including settling frame (5), two braking pieces (6), two slides (7) and driver part, its characterized in that: the brake disc brake is characterized in that limiting grooves are horizontally formed in the upper inner wall and the lower inner wall of the placement frame (5), the two sliding plates (7) are slidably mounted in the placement frame (5) through the limiting grooves, one end, close to the brake disc (1), of each sliding plate is fixedly connected with the outer arc surfaces of the two brake discs (6), cooling parts are arranged in the two brake discs (6), each cooling part comprises a rotating shaft (8), an impeller (9) and a rotating part, a placement groove (10) is horizontally and radially formed in the side face, far away from the brake disc (1), of each brake disc (6), the rotating shaft (8) is horizontally and radially fixedly mounted at the bottom of the placement groove (10), the impeller (9) is rotatably sleeved on the rotating shaft (8), a plurality of ventilation openings (11) are formed in the bottom of the placement groove (10), each rotating part comprises a worm wheel (12), a worm (13) and two rolling wheels (14), and placement openings (15) communicated with the placement grooves (10) are horizontally and radially formed in the outer side face of each brake disc (6) Two ends of the worm (13) are rotatably installed on two side walls of the placement opening (15) respectively, the two rollers (14) are symmetrically fixedly sleeved on the worm (13), the outer arc surface of each roller is flush with the side surface, close to the brake disc (1), of the brake disc (6), and the worm wheel (12) is fixedly sleeved on the impeller (9) and is in meshed connection with the worm (13).

2. A cooling device for a disc brake according to claim 1, wherein: the driving part comprises a cylinder body (16), two sliding rods (17), two pistons (18), a first oil delivery pipe (19) and two second oil delivery pipes (20), two supporting plates (21) are vertically and fixedly mounted in the placement frame (5), the cylinder body (16) is horizontally and fixedly sleeved in the two supporting plates (21), the two sliding rods (17) are horizontally and slidably sleeved in two end faces of the cylinder body (16) respectively, the two pistons (18) are hermetically and slidably sleeved in the cylinder body (16), one faces, far away from each other, of the pistons are fixedly connected with one ends, close to the two sliding rods (17), of the two sliding rods respectively, the first oil delivery pipe (19) is fixedly sleeved on an outer arc face of the cylinder body (16) and is located in the middle, the first oil delivery pipe (19) is communicated with the inside of the cylinder body (16), and the second oil delivery pipe (20) is fixedly sleeved on two end faces of the cylinder body (16) respectively, and the first oil delivery pipe (19) and the two second oil delivery pipes (20) are communicated with the interior of the cylinder body (16), and one ends of the first oil delivery pipes and the two second oil delivery pipes, which are far away from the cylinder body (16), are communicated with an external hydraulic pump.

3. A cooling device for a disc brake according to claim 1, wherein: a liquid storage cavity (22) is formed in the brake pad (6), cooling liquid is stored in the liquid storage cavity (22), a refrigerating device (23) is fixedly mounted on the outer arc surface of the brake pad (6), the refrigerating device (23) is communicated with the liquid storage cavity (22) and is in contact with the cooling liquid, a plurality of cooling pipes (24) are horizontally and fixedly sleeved in the side wall of the placement groove (10), and the plurality of cooling pipes (24) are communicated with the liquid storage cavity (22).

4. A cooling device for a disc brake according to claim 3, wherein: the worm (13) is hollow, two ends of the worm penetrate into the liquid storage cavity (22), and the two ends of the worm (13) are fixedly sleeved with the turbines (25).