CN108891391B

CN108891391B - Automobile brake device

Info

Publication number: CN108891391B
Application number: CN201810704181.4A
Authority: CN
Inventors: 寇雪静; 李德明; 张铁应
Original assignee: Jiangsu Jiasheng Automobile Manufacturing Co ltd
Current assignee: Xuzhou Xuqi Automobile Technology Co.,Ltd.
Priority date: 2018-07-01
Filing date: 2018-07-01
Publication date: 2020-07-31
Anticipated expiration: 2038-07-01
Also published as: CN108891391A

Abstract

The invention relates to the field of automobile accessories, in particular to an automobile brake device which comprises an automobile chassis, a brake mechanism, a cooling mechanism and two rotating shafts, wherein the brake mechanism comprises a first braking component and a second braking component, the first braking component and the second braking component are identical in structure and respectively comprise a first brake part and a second brake part, the first brake part comprises a bearing plate, a braking ring, a supporting frame and two sliding rails, a first sliding plate and a second sliding plate are respectively arranged on the two sliding rails, a first clamping piece is arranged at the left end of the first sliding plate, and a second clamping piece is arranged at the right end of the second sliding plate. The brake mechanism has the advantages that the two rotating shafts can be simultaneously braked through the brake mechanism, the time required by automobile braking is reduced, the potential safety hazard in emergency situations is reduced, the high temperature generated by the first brake part can be reduced through the cooling mechanism, and the situation that the brake ring and the touch plate are softened due to the high temperature is avoided.

Description

Automobile brake device

Technical Field

The invention relates to the field of automobile accessories, in particular to an automobile braking device.

Background

At present, traffic accidents happen every year in the world, so that 40 million people die, more than 800 million people are injured, 99-year traffic accidents in China are increased by 19.3% compared with 98 years, and automobile traffic accidents become more and more serious public hazards. One of the methods for reducing the pollution is to improve the brake device of the automobile, and the service brake device of the light automobile is composed of a brake pedal, a booster, a brake master cylinder, a hydraulic pipeline, a wheel cylinder and a brake. The brake device requires a relatively long time for stopping the vehicle and is not suitable for emergency use.

The invention patent with the patent number of CN105270357A discloses an automobile braking device, which comprises a rotating shaft, rollers arranged at two ends of the rotating shaft and a braking mechanism arranged on the rotating shaft; the brake mechanism comprises a support frame fixedly connected to an automobile chassis, a brake ring sleeved and fixed on the rotating shaft and a plurality of hydraulic cylinders arranged on the support frame; the telescopic rods of the hydraulic cylinders face the brake rings, and one ends of the brake rings are fixedly connected with gaskets so that the brake rings can be braked when the telescopic rods move towards the brake rings; the brake ring is arranged on the support frame. The automobile brake device can achieve the braking effect in time in an emergency state, reduces the occurrence of traffic accidents, and is simple in structure and low in cost.

Although the braking mechanism in the invention can play a certain braking effect on the automobile, only one braking mechanism is provided, the braking efficiency is low, so that the braking time of the invention is not reduced greatly, and a great potential safety hazard still exists in emergency; the invention is not provided with a device for cooling the brake mechanism, a large amount of heat can be generated in the braking process, and the normal work of the brake mechanism is influenced by the condition that the brake mechanism can be softened at high temperature.

Disclosure of Invention

The present invention is directed to a brake device for a vehicle to solve the above problems.

The technical scheme of the invention is as follows: the automobile brake device comprises an automobile chassis, a brake mechanism, a cooling mechanism and two rotating shafts arranged at intervals, wherein two ends of the two rotating shafts are respectively provided with a roller, the cooling mechanism is arranged at the middle section of the top of the automobile chassis, the brake mechanism comprises a first brake component and a second brake component which are arranged at the top of the automobile chassis at intervals and respectively brake the two rotating shafts, the first brake component and the second brake component have the same structure and respectively comprise a first brake part and a second brake part, the first brake part comprises a bearing plate, a brake ring, a support frame arranged at the top of the bearing plate and two sliding rails arranged at the top of the support frame at intervals, the brake ring is tightly sleeved on the rotating shafts, the bearing plate is fixed on the side wall of the automobile chassis, a first sliding plate and a second sliding plate are respectively arranged on the two sliding rails, and a first clamping part is arranged at the left end of the first sliding plate, the right end of the second sliding plate is provided with a second clamping piece matched with the first clamping piece.

In a preferred embodiment of the invention, the first clamping member and the second clamping member have the same structure and each comprise a connecting seat and a connecting plate hinged on the connecting seat, the bottom of the connecting plate is provided with a vertically arranged mounting plate, the brake ring is arranged between the two mounting plates, two symmetrically arranged contact plates are arranged at the opposite ends of the two mounting plates, the cross section of each contact plate is of a trapezoidal structure, anti-skid layers are arranged at the opposite ends of the two contact plates, and the supporting frame is provided with a through groove for the mounting plates to pass through.

In a preferred embodiment of the present invention, the top of each of the two connecting plates is provided with a first connecting rod and a second connecting rod, the top of the first sliding plate is provided with a first mounting rod corresponding to the first connecting rod, a first transmission plate is arranged between the first connecting rod and the first mounting rod, the top of the second sliding plate is provided with a second mounting rod corresponding to the second connecting rod, a second transmission plate is arranged between the second connecting rod and the second mounting rod, the top of the supporting frame is provided with a fixed frame, the top of the fixed frame is provided with an L-type mounting plate and a driving motor with an output shaft facing vertically downwards, the driving motor is mounted on a side wall of the L-type mounting plate, the output shaft of the driving motor is sleeved with a driving gear, and one end of the first sliding plate opposite to the second sliding plate is provided with a tooth socket engaged with the driving.

In a preferred embodiment of the present invention, the second braking component includes a supporting plate, a braking disc tightly sleeved on the rotating shaft, and a limiting member for limiting the rotation of the braking disc, the supporting plate is disposed on a side wall of the chassis of the vehicle, the limiting member includes an L-type fixing plate and a hydraulic cylinder, the L-type fixing plate includes a bottom plate vertically disposed and a top plate horizontally disposed, a supporting frame for supporting the hydraulic cylinder is disposed at a left end of the top plate, a hinged plate is disposed at a top of the supporting frame, and a mounting seat hinged to the hinged plate is disposed at a bottom end of the hydraulic cylinder.

In a preferred embodiment of the present invention, the limiting member further includes a rotating plate and a fixing seat disposed at the right end of the top plate, a connecting rod is disposed between the fixing seat and the rotating plate, two ends of the connecting rod are both sleeved with a limiting ring, an extending plate is disposed at the bottom of the rotating plate, a limiting plate that is bent towards the brake disc and is integrally formed with the extending plate is disposed at the bottom of the extending plate, a U-shaped connecting plate is disposed on the output shaft of the hydraulic cylinder, and a first fixing plate hinged to the U-shaped connecting plate is disposed at the top of the rotating plate.

In a preferred embodiment of the present invention, the brake disc is provided with a plurality of limiting ribs distributed along the circumferential direction of the brake disc at equal angular difference, and the side wall of the limiting plate is provided with anti-slip strips arranged at equal intervals.

In a preferred embodiment of the present invention, the cooling mechanism includes two water cooling assemblies, a water storage tank and a refrigeration assembly for refrigerating water inside the water storage tank, the water storage tank is disposed at the top middle section of the automobile chassis, the two water cooling assemblies are respectively disposed at the bottoms of the two support frames, and a water inlet pipeline communicated with the inside of the water storage tank is disposed on the side wall of the water storage tank.

In a preferred embodiment of the present invention, the refrigeration assembly includes a groove disposed on the chassis of the vehicle and a semiconductor refrigeration sheet mounted in the groove, the cold end of the semiconductor refrigeration sheet is attached to the bottom of the water storage tank, and the bottom of the chassis of the vehicle is provided with a heat sink attached to the hot end of the semiconductor refrigeration sheet.

In a preferred embodiment of the invention, the water cooling assembly comprises a water supply pipeline arranged at the bottom of the support frame, two spaced U-shaped mounting plates for mounting the water supply pipeline are arranged between the water supply pipeline and the bottom of the support frame, two spaced water outlet pipelines with downward water outlets are arranged on the water supply pipeline, each water outlet pipeline is provided with an atomizing nozzle in plug fit with the water outlet pipeline, a connecting pipeline communicated with the inside of the water storage tank is arranged on the side wall of the water storage tank, an electromagnetic valve is arranged on the connecting pipeline, and a water supply hose is arranged between the connecting pipeline and the water supply pipeline.

The invention provides a vehicle brake device through improvement, compared with the prior art, the vehicle brake device has the following improvements and advantages:

(1) this device can brake two pivots simultaneously through arrestment mechanism, has reduced the required time of car braking to can reduce the high temperature that first braking part produced through cooling body, avoid making the ring and the conflict board condition of softening appear stopping because of the high temperature.

(2) Be equipped with first braking part, first braking part is including bearing plate, braking ring, support frame, slide rail, first clamping piece and second clamping piece, and first clamping piece cooperatees with the second clamping piece and can presss from both sides the pivot tightly, avoids the pivot to rotate, and first braking part is used for carrying out a braking to the pivot, makes the very big reduction the rotational speed of pivot.

(3) Be equipped with second braking part, second braking part is including backup pad, brake disc and locating part, and the locating part is used for restricting the brake disc and rotates to make pivot stall, second braking part is used for carrying out the secondary braking to the pivot, makes the pivot can stall, has reduced the required time of car braking.

(4) Be equipped with cooling body, cooling body is including water cooling component, storage water tank and refrigeration subassembly, can carry the water after the cooling to atomizing nozzle in through the cooler component, make atomizing nozzle can stop ring and conflict board to the braking and spray, make the temperature that the ring was stopped to the touch panel and the braking reduce, avoid stopping the ring and the conflict board condition of softening appearing because of the high temperature makes the braking.

Drawings

The invention is further explained below with reference to the figures and examples:

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

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

FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 2;

FIG. 4 is a schematic partial perspective view of the present invention;

FIG. 5 is a schematic elevational view of the first brake component;

FIG. 6 is an exploded schematic view of the first brake component;

FIG. 7 is a schematic elevational view of the second brake component;

FIG. 8 is an exploded schematic view of the second brake component;

FIG. 9 is an enlarged view at B in FIG. 8;

description of reference numerals:

the automobile chassis comprises an automobile chassis 1, a brake mechanism 2, a first brake component 2a, a second brake component 2b, a cooling mechanism 3, a water cooling component 3a, a water supply pipeline 3a1, a U-shaped mounting plate 3a2, a water outlet pipeline 3a3, an atomizing nozzle 3a4, a connecting pipeline 3a5, a solenoid valve 3a6, a water storage tank 3b, a water inlet pipeline 3c, a refrigeration component 3d, a semiconductor refrigeration sheet 3d1, a radiator 3d2, a rotating shaft 4, a roller 4a, a first brake component 5, a support plate 5a, a brake ring 5b, a support frame 5c, a sliding rail 5d, a first sliding plate 5e, a second sliding plate 5f, a first clamping member 5g, a second clamping member 5h, a second brake component 6, a support plate 6a, a brake disc 6b, a limit stop 6c, a connecting bar 6d, a connecting seat 7, a connecting plate 7b, a touch plate 7c, a connecting rod 7d, a first connecting rod 7e, a first mounting rod 34 e, a connecting rod 9b, a connecting rod 9c, a connecting rod 9b, a connecting plate 9c, a connecting plate of.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 9, and the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

The invention provides an automobile brake device through improvement, as shown in fig. 1-9, comprising an automobile chassis 1, a brake mechanism 2, a cooling mechanism 3 and two rotating shafts 4 arranged at intervals, wherein two ends of each rotating shaft 4 are provided with rollers 4a, the cooling mechanism 3 is arranged at the middle section of the top of the automobile chassis 1, the brake mechanism 2 comprises a first braking component 2a and a second braking component 2b which are arranged at the top of the automobile chassis 1 at intervals and respectively brake the two rotating shafts 4, the first braking component 2a and the second braking component 2b have the same structure and respectively comprise a first brake part 5 and a second brake part 6, the first brake part 5 comprises a bearing plate 5a, a braking ring 5b, a support frame 5c arranged at the top of the bearing plate 5a and two slide rails 5d arranged at the top of the support frame 5c at intervals, the brake ring 5b is tightly sleeved on the rotating shaft 4, the bearing plate 5a is fixed on the side wall of the automobile chassis 1, a first sliding plate 5e and a second sliding plate 5f are respectively arranged on the two sliding rails 5d, a first clamping element 5g is arranged at the left end of the first sliding plate 5e, and a second clamping element 5h matched with the first clamping element 5g is arranged at the right end of the second sliding plate 5 f; the first brake part 5 can brake the rotating shaft 4 for the first time, the second brake part 6 can brake the rotating shaft 4 for the second time, the time required by automobile braking is reduced, the potential safety hazard existing in emergency is reduced, the cooled water can be conveyed into the atomizing nozzle 3a4 through the cooling mechanism 3, the atomizing nozzle 3a4 can spray the brake ring 5b and the abutting plate 7c, the temperature of the abutting plate 7c and the brake ring 5b is reduced, the situation that the brake ring 5b and the abutting plate 7c are softened due to high temperature is avoided, the two sliding rails 5d respectively play a role in guiding and supporting the first sliding plate 5e and the second sliding plate 5f, the friction force generated when the first sliding plate 5e and the second sliding plate 5f slide is reduced, the rotating shaft 4 can be clamped by the cooperation of the first clamping part 5g and the second clamping part 5h, the rotation of the shaft 4 is avoided.

The first clamping piece 5g and the second clamping piece 5h are identical in structure and respectively comprise a connecting seat 7 and a connecting plate 7a hinged on the connecting seat 7, a vertically arranged mounting plate 7b is arranged at the bottom of the connecting plate 7a, the brake ring 5b is arranged between the two mounting plates 7b, two symmetrically arranged abutting plates 7c are arranged at the opposite ends of the two mounting plates 7b, the cross section of each abutting plate 7c is of a trapezoidal structure, an anti-skid layer is arranged at the opposite ends of the two abutting plates 7c, and a through groove 7d for the mounting plates 7b to pass through is formed in the supporting frame 5 c; the mounting plate 7b is used for mounting the two symmetrical abutting plates 7c, the abutting plates 7c can clamp the brake ring 5b, the brake ring 5b cannot rotate, and therefore the rotating shaft 4 cannot rotate.

The top of the two connecting plates 7a is respectively provided with a first connecting rod 7e and a second connecting rod 7f, the top of the first sliding plate 5e is provided with a first mounting rod 7e1 corresponding to the first connecting rod 7e, a first transmission plate 7e2 is arranged between the first connecting rod 7e and the first mounting rod 7e1, the top of the second sliding plate 5f is provided with a second mounting rod 7f1 corresponding to the second connecting rod 7f, a second transmission plate 7f2 is arranged between the second connecting rod 7f and the second mounting rod 7f1, the top of the supporting frame 5c is provided with a fixed frame 8, the top of the fixed frame 8 is provided with a L type mounting plate 7b and a driving motor 8a with an output shaft facing downwards vertically, the driving motor 8a is mounted on the side wall of the L type mounting plate 7b, the output shaft of the driving motor 8a is sleeved with a driving gear 8b, one end, opposite to the first sliding plate 5e and the second sliding plate 5f is provided with a brake component 5b, the working at the same time, the first brake component works, the driving gear 5e and the second sliding plate 5e can drive the second sliding plate to move, the second sliding plate 5e to drive the second sliding plate to move downwards, and the second sliding plate 7e to drive the second sliding plate to move to act on the driving gear 7e, and drive the second sliding plate 355 e to drive the second sliding plate to move.

The second brake component 6 comprises a support plate 6a, a brake disc 6b tightly sleeved on the rotating shaft 4 and a limiting piece 9 for limiting the brake disc 6b to rotate, the support plate 6a is arranged on a side wall of the automobile chassis 1, the limiting piece 9 comprises an L-shaped fixing plate 9a and a hydraulic cylinder 9b, the L-shaped fixing plate 9a comprises a vertically-arranged bottom plate 9a1 and a horizontally-arranged top plate 9a2, a supporting bracket 9c for supporting the hydraulic cylinder 9b is arranged at the left end of the top plate 9a2, a hinge plate 9c1 is arranged at the top of the supporting bracket 9c, a mounting seat 9c2 hinged with the hinge plate 9c1 is arranged at the bottom end of the hydraulic cylinder 9b, the limiting piece 9 is used for preventing the brake disc 6b from rotating continuously, so that the rotating shaft 4 stops rotating, and the support frame 5c is used for supporting the hydraulic cylinder 9 b.

The limiting member 9 further comprises a rotating plate 9c3 and a fixed seat 9c4 arranged at the right end of the top plate 9a2, a connecting rod 9d is arranged between the fixed seat 9c4 and the rotating plate 9c3, both ends of the connecting rod 9d are sleeved with limiting rings 9e, an extending plate 9f is arranged at the bottom of the rotating plate 9c3, a limiting plate 9g which is bent towards the brake disc 6b and integrally formed with the extending plate 9f is arranged at the bottom of the extending plate 9f, a U-shaped connecting plate 9h is arranged on an output shaft of the hydraulic cylinder 9b, and a first fixing plate 9i hinged to the U-shaped connecting plate 9h is arranged at the top of the rotating plate 9c 3; spacing ring 9e has played spacing effect to connecting rod 9d, avoid connecting rod 9d to break away from fixing base 9c4, U type connecting plate 9h is used for articulating with first fixed plate 9i, pneumatic cylinder 9b work can be with U type connecting plate 9h to limiting plate 9 g's direction removal, U type connecting plate 9h can drive rather than articulated first fixed plate 9i and remove, first fixed plate 9i can drive rotor plate 9c3 and rotate along connecting rod 9 d's axis, make extension board 9f can drive limiting plate 9g and remove, make limiting plate 9g can contradict with brake disc 6 b.

The brake disc 6b is provided with a plurality of limiting convex ribs 6c which are distributed along the circumferential direction of the brake disc 6b at equal angular difference, and the side wall of each limiting plate 9g is provided with anti-slip strips 6d which are arranged at equal intervals; the limiting plate 9g can be inserted between the two limiting convex edges 6c, the time required by automobile braking is reduced, and the anti-slip strip 6d plays an anti-slip role.

The cooling mechanism 3 comprises water cooling components 3a, a water storage tank 3b and a refrigerating component 3d for refrigerating water in the water storage tank 3b, the water storage tank 3b is arranged in the middle section of the top of the automobile chassis 1, the number of the water cooling components 3a is two, the two water cooling components 3a are respectively arranged at the bottoms of the two support frames 5c, and a water inlet pipeline 3c communicated with the inside of the water storage tank 3b is arranged on the side wall of the water storage tank 3 b; can add the required water of cooling to storage water tank 3 b's inside through inlet channel 3c, refrigeration assembly 3d can refrigerate the inside water of storage water tank 3b, water-cooling assembly 3a can carry the water after the cooling to in atomizing nozzle 3a4, make atomizing nozzle 3a4 can spray ring 5b and conflict board 7c stop, make conflict board 7c and stop the temperature reduction of ring 5b stop, avoid making conflict board 7c appear the condition of softening because of high temperature.

The refrigeration assembly 3d comprises a groove arranged on the automobile chassis 1 and a semiconductor refrigeration piece 3d1 arranged in the groove, the cold end of the semiconductor refrigeration piece 3d1 is attached to the bottom of the water storage tank 3b, and the bottom of the automobile chassis 1 is provided with a radiator 3d2 attached to the hot end of the semiconductor refrigeration piece 3d 1; semiconductor refrigeration piece 3d1 can cool down to the inside water of storage water tank 3b, and radiator 3d2 can reduce the temperature of semiconductor refrigeration piece 3d1 hot junction, and the recess is used for installing semiconductor refrigeration piece 3d 1.

The water cooling module 3a comprises a water supply pipeline 3a1 arranged at the bottom of the support frame 5c, two U-shaped mounting plates 3a2 which are arranged at intervals and used for mounting the water supply pipeline 3a1 are arranged between the water supply pipeline 3a1 and the bottom of the support frame 5c, two water outlet pipelines 3a3 which are arranged at intervals and have downward water outlets are arranged on the water supply pipeline 3a1, each water outlet pipeline 3a3 is provided with an atomizing nozzle 3a4 which is in inserted fit with the water outlet pipeline, a connecting pipeline 3a5 communicated with the inside of the water storage tank 3b is arranged on the side wall of the water storage tank 3b, an electromagnetic valve 3a6 is arranged on the connecting pipeline 3a5, and a water supply hose is arranged between the connecting pipeline 3a5 and the water supply pipeline 3a 1; the solenoid valve 3a6 works to convey cooled water into the water supply pipeline 3a1 through a water supply hose, the water can enter the water outlet pipeline 3a3, the atomizing nozzle 3a4 can spray the brake ring 5b and the collision plate 7c, the temperature of the collision plate 7c and the brake ring 5b is reduced, the situation that the collision plate 7c is softened due to high temperature is avoided, and the U-shaped mounting plate 3a2 is used for mounting the water supply pipeline 3a 1.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The automobile brake device comprises an automobile chassis (1), and is characterized by further comprising a brake mechanism (2), a cooling mechanism (3) and two rotating shafts (4) arranged at intervals, wherein two ends of the two rotating shafts (4) are respectively provided with a roller (4 a), the cooling mechanism (3) is arranged at the middle section of the top of the automobile chassis (1), the brake mechanism (2) comprises a first brake component (2 a) and a second brake component (2 b) which are arranged at the top of the automobile chassis (1) at intervals and brake the two rotating shafts (4) respectively, the first brake component (2 a) and the second brake component (2 b) are provided with a first brake component (5) and a second brake component (6) which respectively brake the two rotating shafts (4), the first brake component (5) comprises a first brake component (5 a), a brake ring (5 b), a support frame (5 c) arranged at the top of the support frame (5 a) and two support frames (5 c) arranged at the top of the support frame (5 a) are arranged at the top of the support frame (5 a) at the top of the support frame (5 c) and two sliding frame (7 c) arranged at the top of the support frame (5 c) at the support frame (5 c) through a corresponding to the sliding frame (7 b), a connecting plate (7 b) and a connecting plate (7 b) are provided with a connecting plate (7 b), the connecting plate (7 b) and a connecting plate (7 b) are provided with a connecting plate (7 b), a connecting plate (7 b) which is provided with a connecting plate (7 b), a connecting plate (7 b) which is provided with a connecting plate (7 b) and a connecting plate (7 b), a connecting plate (7 b) which is provided with a connecting plate (7 b) and a connecting plate (7 b) which is provided with a connecting plate (7 b), a connecting plate (7 b) which is provided with a connecting plate (7 b), a connecting plate (7 b) which is provided with a connecting plate (7 b) and a connecting plate (7 b), a connecting plate (7 b) which is provided with a connecting plate (7 b) and a connecting plate (7 b) which are provided with a connecting plate (7 b) and a connecting plate (7 b), a connecting plate (7 b) which are provided with a connecting plate (7 b), a connecting plate (7 b) which is provided with a connecting plate (7 b) which are provided with a connecting plate (7 b), a connecting plate (.

2. The automobile brake device according to claim 1, wherein the second brake component (6) comprises a support plate (6 a), a brake disc (6 b) tightly sleeved on the rotating shaft (4) and a limiting piece (9) for limiting the rotation of the brake disc (6 b), the support plate (6 a) is arranged on the side wall of the automobile chassis (1), the limiting piece (9) comprises an L-shaped fixing plate (9 a) and a hydraulic cylinder (9 b), the L-shaped fixing plate (9 a) comprises a vertically-arranged bottom plate (9 a 1) and a horizontally-arranged top plate (9 a 2), a support bracket (9 c) for supporting the hydraulic cylinder (9 b) is arranged at the left end of the top plate (9 a 2), a hinge plate (9 c 1) is arranged at the top of the support bracket (9 c), and a mounting seat (9 c 2) hinged with the hinge plate (9 c 1) is arranged at the bottom end of the hydraulic cylinder (9 b).

3. A brake apparatus for a vehicle according to claim 2, wherein: locating part (9) are still including rotor plate (9 c 3) and fixing base (9 c 4) of setting at roof (9 a 2) right-hand member, be equipped with connecting rod (9 d) between fixing base (9 c 4) and rotor plate (9 c 3), the both ends of connecting rod (9 d) all are equipped with spacing ring (9 e), the bottom of rotor plate (9 c 3) is equipped with extension board (9 f), and the bottom of this extension board (9 f) is equipped with to bend to brake disc (6 b) direction and with extension board (9 f) integrated into one piece's limiting plate (9 g), be equipped with U type connecting plate (9 h) on the output shaft of pneumatic cylinder (9 b), the top of rotor plate (9 c 3) is equipped with first fixed plate (9 i) articulated with U type connecting plate (9 h).

4. A brake apparatus for a vehicle according to claim 3, wherein: be equipped with spacing bead (6 c) that a plurality of distributes along brake disc (6 b) angular difference such as circumferential direction on brake disc (6 b), be equipped with antislip strip (6 d) that the interval set up such as on the lateral wall of limiting plate (9 g).

5. A brake apparatus for a vehicle according to claim 1, wherein: cooling body (3) carry out refrigerated refrigeration subassembly (3 d) including water-cooling subassembly (3 a), storage water tank (3 b) and being used for water to storage water tank (3 b) inside, storage water tank (3 b) set up the top middle section in vehicle chassis (1), water-cooling subassembly (3 a) are equipped with two, and two water-cooling subassemblies (3 a) set up the bottom at two support frames (5 c) respectively, be equipped with inlet channel (3 c) rather than inside intercommunication on the lateral wall of storage water tank (3 b).

6. The brake apparatus for a vehicle according to claim 5, wherein: refrigeration subassembly (3 d) is including setting up the recess on vehicle chassis (1) and installing semiconductor refrigeration piece (3 d 1) in the recess, and the cold junction of this semiconductor refrigeration piece (3 d 1) is laminated with the bottom of storage water tank (3 b), vehicle chassis's (1) bottom is equipped with radiator (3 d 2) of laminating mutually with the hot junction of semiconductor refrigeration piece (3 d 1).

7. The brake apparatus for a vehicle according to claim 5, wherein: the water cooling module (3 a) comprises a water supply pipeline (3 a 1) arranged at the bottom of a support frame (5 c), two spaced mounting plates (3 a 2) are arranged between the water supply pipeline (3 a 1) and the bottom of the support frame (5 c) and used for mounting a water supply pipeline (3 a 1), two spaced water outlet pipelines (3 a 3) are arranged on the water supply pipeline (3 a 1) and have downward water outlets, an atomizing nozzle (3 a 4) in inserting and matching with the water outlet pipelines is arranged on each water outlet pipeline (3 a 3), a connecting pipeline (3 a 5) communicated with the inside of the water storage tank (3 b) is arranged on the side wall of the water storage tank (3 b), an electromagnetic valve (3 a 6) is arranged on the connecting pipeline (3 a 5), and a water supply hose is arranged between the connecting pipeline (3 a 5) and the water supply pipeline (3 a 1).