阅读说明：本技术 一种具有辅助制动功能的车辆行驶制动装置 (Vehicle running braking device with auxiliary braking function ) 是由 李万敏 李琛 李彦晶 林小军 张亚萍 朱有地 于 2020-04-17 设计创作，主要内容包括：本发明公开了一种具有辅助制动功能的车辆行驶制动装置,本发明设有电磁绕组以及刹车盘,使得当刹车盘温度过高,导致车辆制动能力下降时,电磁绕组可以提供辅助制动,避免制动失效,导致车辆出现事故,设有的驱动电机以及丝杠,使得电磁绕组与刹车盘的距离能够进行调节,从而方便控制电磁绕组对刹车盘的辅助制动能力,加强辅助制动的可控制性,保证辅助制动的安全性,设有的防抱死机构可在车辆轮胎被抱死的情况下,主动利用防抱死机构实现轮胎的点刹,提高车辆的可控制性,避免车辆侧翻,导致交通事故以及驾驶人员的受伤,本发明相比传统的刹车系统具有制动能力强,制动安全性高的优异效果。(The invention discloses a vehicle running brake device with auxiliary brake function, which is provided with an electromagnetic winding and a brake disc, so that when the brake disc is too high in temperature and the braking capacity of a vehicle is reduced, the electromagnetic winding can provide auxiliary brake to avoid brake failure and vehicle accidents, the distance between the electromagnetic winding and the brake disc can be adjusted by the driving motor and the lead screw, thereby conveniently controlling the auxiliary braking capacity of the electromagnetic winding on the brake disc, enhancing the controllability of the auxiliary brake, ensuring the safety of the auxiliary brake, actively utilizing an anti-lock mechanism to realize the inching brake of a tire under the condition that the tire of the vehicle is locked, improving the controllability of the vehicle, avoiding the vehicle from turning over to cause traffic accidents and the injury of drivers, and compared with the traditional brake system, the invention has strong braking capacity, excellent effect of high braking safety.)

1. A vehicle running braking device with an auxiliary braking function comprises a wheel fixing bolt (1), a brake disc (2), a temperature sensor (3), an electromagnetic winding (4), a lead screw (5), a motor fixing frame (6), a driving motor (7), a fixing frame (8), a brake block (9) and a tire mounting frame (10), and is characterized in that one end face of the tire mounting frame (10) is evenly fixed with the wheel fixing bolt (1), the other end face of the tire mounting frame is fixedly connected with the brake disc (2) through an anti-lock mechanism (11), the temperature sensor (3) is close to one side of the brake disc (2), the temperature sensor (3) is electrically connected with a vehicle central control system, the brake block (9) is arranged at the edge position of the brake disc (2), the brake block (9) is electrically connected with the vehicle central control system, the electromagnetic winding (4) is arranged at one side of the brake block (9) without the temperature sensor (3), the utility model discloses a tire assembly, including mount (8), driving motor (7), lead screw (5) and mount (8), mount (8) are fixed in on the frame, driving motor (7) are fixed in on motor mount (6), motor mount (6) are fixed in on mount (8), lead screw (5) are embedded in mount (8), and lead screw (5) rotate with mount (8) and be connected, lead screw (5) one end and driving motor (7) output shaft fixed connection, lead screw (5) other end pierces through electromagnetic winding (4) and rotates with tire mounting bracket (10) and be connected, electromagnetic winding (4) are fixed in on mount (8), and electromagnetic winding (4) and mount (8) sliding connection, electromagnetic winding (4) and driving motor (7) all with vehicle center control system electric connection.

2. A vehicle service brake device with auxiliary braking function as claimed in claim 1, wherein said brake disc (2) is in the shape of flat disc, a tire mounting through hole is provided at the center of said brake disc (2), a temperature sensor (3) is provided near the front side of said brake disc (2), a plurality of fan-shaped grooves are uniformly provided on the rear side of said brake disc (2), fan-shaped metal sheets (12) are fixed in said plurality of fan-shaped grooves, and said fan-shaped metal sheets (12) are made of copper-aluminum alloy material.

3. The vehicle running braking device with the auxiliary braking function according to claim 1, wherein the electromagnetic winding (4) comprises a power supply (41), a negative terminal (42), a positive terminal (43), a winding coil (44), a limiting connecting rod (45), a movable fixing sleeve (46) and an iron core (47), the iron core (47) is in a circular ring shape, the winding coil (44) is wound on the iron core (47), the negative terminal (42) and the positive terminal (43) are respectively fixedly connected with two ends of the winding coil (44), the negative terminal (42) and the positive terminal (43) are arranged on the power supply (41), the power supply (41) is electrically connected with a vehicle central control system, the movable fixing sleeve (46) is arranged in the center of the iron core (47), and two ends of the movable fixing sleeve (46) are respectively provided with the limiting connecting rod (45), the two limiting connecting rods (45) are fixedly connected with the winding coil (44) respectively, and a threaded hole is formed in the center of the movable fixing sleeve (46).

4. The vehicle running brake device with the auxiliary braking function according to claim 1, wherein the lead screw (5) comprises a lead screw body (51) and a connector (52), the cross section of the connector (52) is T-shaped, the connector (52) is fixed at the end of the lead screw body (51), the connector (52) is embedded in the tire mounting frame (10), the connector (52) is rotatably connected with the tire mounting frame (10), the end of the lead screw body (51) is rotatably connected with the tire mounting frame (10) through the connector (52), the head end of the lead screw body (51) is fixedly connected with an output shaft of the driving motor (7), threads are arranged on the outer side wall of the lead screw body (51), and threads on the outer side wall of the lead screw body (51) are in threaded fit connection with a central threaded hole of the movable fixing sleeve (46).

5. The vehicle running braking device with the auxiliary braking function according to claim 1, wherein the fixing frame (8) comprises a bottom plate (81), a limiting groove plate (82) and a vertical plate (83), the bottom plate (81) is a flat plate placed transversely, the vertical plate (83) is vertically fixed at the central position on the upper end surface of the bottom plate (81), the vertical plate (83) and the bottom plate (81) are combined to form a combined body with a T-shaped cross section, a motor fixing frame (6) is fixed on the upper end surface of the bottom plate (81), the motor fixing frame (6) is positioned on one side of the vertical plate (83), a bearing hole is arranged at the center of the vertical plate (83), the bearing hole is bilaterally and symmetrically fixed with the limiting groove plate (82), the limiting groove plate (82) is positioned on a side surface of the vertical plate (83) far away from the motor fixing frame (6), two limiting groove plates (82) are provided with grooves transverse to the limiting groove plate (82), be equipped with spacing connecting rod (45) in the channel, and spacing connecting rod (45) and channel sliding fit, riser (83) center bearing hole cooperatees with driving motor (7) output shaft, and driving motor (7) output shaft and riser (83) center bearing hole rotate to be connected.

6. A vehicle service brake device with auxiliary braking function as claimed in claim 1, wherein said anti-lock mechanism (11) comprises a friction disc (111) and a pressing spring (112), said friction disc (111) is disposed in the center of the brake disc (2) and the friction disc (111) is closely attached to the inner side wall of the center of the brake disc (2), said tire mounting hole is disposed with one end of the tire mounting frame (10) not fixed to the wheel stud (1), said pressing spring (112) is disposed in the tire mounting hole, one end of the pressing spring (112) is fixedly connected to the friction disc (111), and the other end of the pressing spring (112) is fixedly connected to the outer side wall of the tire mounting frame (10).

7. A service brake device for a vehicle having an auxiliary braking function according to claim 1, wherein said service brake device for a vehicle further comprises a brake system, said brake system comprising: the brake pad power supply system comprises a vehicle central control module, a temperature detection module, a brake pad driving module, a driving motor module and a power supply device power supply module, wherein the vehicle central control module is unidirectionally connected with the brake pad driving module, the temperature detection module is unidirectionally connected with the vehicle central control module, and the vehicle central control module is unidirectionally connected with the driving motor module and the power supply device power supply module respectively;

the vehicle central control module is used for controlling the brake pad driving module, the driving motor module and the power supply module of the power supply device to work and receiving a temperature signal transmitted by the temperature detection module;

the brake pad driving module is used for driving a brake pad (9) to brake a wheel;

the temperature detection module is used for detecting the temperature of the brake disc (2) and transmitting temperature data to the vehicle central control module;

the driving motor module is used for driving a driving motor (7) to rotate forwards and backwards;

the power supply module is used for supplying power to a power supply (41).

8. A service brake device for a vehicle having an auxiliary braking function as claimed in claim 7, wherein said brake system is embodied by the steps of:

1) the vehicle central control module transmits a braking instruction to the brake pad driving module;

2) the brake block driving module drives a brake block (9) to brake the wheel;

3) the temperature detection module detects the temperature of the brake disc (2), and when the temperature exceeds a preset value, the temperature detection module sends out brake temperature exceeding information to the vehicle central control module;

4) the vehicle central control module receives the brake temperature exceeding information transmitted by the temperature detection module and controls the power supply module of the power supplier and the driving motor module to start;

5) the power supply module of the power supply supplies power to the power supply (41), the power supply (41) supplies power to the winding coil (44), and an electromagnetic effect is generated in the iron core (47);

6) the driving motor module supplies power to the driving motor (7), the driving motor (7) starts to rotate positively and negatively, so that the distance between the electromagnetic winding (4) and the fan-shaped metal sheet (12) is controlled, the number of magnetic lines of force of a magnetic field generated by the fan-shaped metal sheet (12) when the electromagnetic winding (4) is cut is further changed, and then counter magnetic fields with different strengths are generated to perform auxiliary braking on the wheel.

Technical Field

The invention belongs to the technical field of vehicle braking devices; in particular to a vehicle running braking device with an auxiliary braking function.

Background

Vehicle braking devices are a series of specialized devices that apply a certain force to the wheels of an automobile, thereby applying a certain degree of positive braking thereto. The vehicle braking device has the following functions: the running automobile is forced to decelerate or even stop according to the requirement of a driver; stably parking a stopped vehicle under various road conditions (including on a slope); the speed of the vehicle running on the downhill is kept stable. The traditional vehicle braking device is composed of a brake disc and brake pads, when the vehicle braking device brakes, the brake disc is clamped through the brake pads, and a vehicle is braked through friction force, but the brake mode easily causes the temperature of the brake disc to rise, so that the braking device fails, further the vehicle cannot brake, and traffic accidents occur.

Disclosure of Invention

The invention aims to provide a vehicle running braking device with an auxiliary braking function, which comprises a wheel fixing bolt, a brake disc, a temperature sensor, an electromagnetic winding, a lead screw, a motor fixing frame, a driving motor, a fixing frame, a brake pad and a tire mounting frame, wherein the wheel fixing bolt is uniformly fixed on one end surface of the tire mounting frame, the other end surface of the tire mounting frame is fixedly connected with the brake disc through an anti-lock mechanism, the temperature sensor is close to one side of the brake disc, the temperature sensor is electrically connected with a vehicle central control system, the brake pad is arranged at the edge position of the brake disc and is electrically connected with the vehicle central control system, the electromagnetic winding is arranged at one side of the brake pad without the temperature sensor, the fixing frame is fixed on a vehicle frame, the driving motor is fixed on the motor fixing frame, the motor fixing frame is fixed on the fixing frame, and the lead screw is embedded in the fixing frame, and the lead screw is connected with the fixed frame in a rotating manner, one end of the lead screw is fixedly connected with an output shaft of the driving motor, the other end of the lead screw penetrates through the electromagnetic winding and is connected with the tire mounting frame in a rotating manner, the electromagnetic winding is fixed on the fixed frame and is connected with the fixed frame in a sliding manner, and the electromagnetic winding and the driving motor are both electrically connected with the vehicle central control system.

Further, the brake disc is flat discoid, the brake disc center is equipped with tire mounting bracket installation through-hole, it has temperature sensor to be close to on the brake disc leading flank, evenly be equipped with a plurality of fan-shaped recesses on the brake disc trailing flank, it is a plurality of fan-shaped sheetmetal of sector recess internal fixation, fan-shaped sheetmetal is made by copper aluminum alloy material.

Further, electromagnetic winding includes power supply ware, negative terminal, positive terminal, coil winding, spacing connecting rod, removes fixed cover and iron core, the iron core is ring shape, the coil winding is twined on the iron core, negative terminal and positive terminal are respectively in coil winding both ends fixed connection, negative terminal and positive terminal are located on the power supply ware, power supply ware and vehicle central control system electric connection, remove fixed cover and locate the iron core center, and remove fixed cover both ends and be equipped with spacing connecting rod, two respectively spacing connecting rod is in coil winding fixed connection, remove fixed cover center and be equipped with the screw hole.

Further, the lead screw includes lead screw body and connector, the cross section of connector is the T type, the connector is fixed in lead screw body end, the connector is embedded on the tire mounting bracket, and the connector rotates in the tire mounting bracket to be connected, lead screw body end is connected with the tire mounting bracket rotation through the connector, lead screw body head end and driving motor output shaft fixed connection, be equipped with the screw on the lead screw body lateral wall, lead screw body lateral wall screw thread is connected with the fixed cover central thread hole screw-thread fit of removal.

Further, the fixing frame comprises a bottom plate, a limiting channel plate and a vertical plate, the bottom plate is a flat plate which is transversely arranged, the vertical plate is vertically fixed at the central position on the upper end surface of the bottom plate, the vertical plate and the bottom plate are combined to form a combined body with a T-shaped cross section, a motor fixing frame is fixed on the upper end surface of the bottom plate, the motor fixing frame is positioned at one side of the vertical plate, the center of the vertical plate is provided with a bearing hole, two sides of the bearing hole are symmetrically fixed with a limiting chute plate, the limiting channel plates are positioned on one side surface of the vertical plate far away from the motor fixing frame, two limiting channel plates are provided with channels along the transverse direction of the limiting channel plates, limiting connecting rods are arranged in the channels, and the limiting connecting rod is in sliding fit with the channel, the vertical plate central bearing hole is matched with the driving motor output shaft, and the driving motor output shaft is rotationally connected with the vertical plate central bearing hole.

Further, anti-lock mechanism includes friction disk and extrusion spring, the friction disk is located in the tire mounting bracket mounting through-hole at brake disc center, and the tire mounting bracket mounting through-hole inside wall at friction disk and brake disc center closely laminates, be equipped with the one end of the non-wheel fixing bolt of tire mounting bracket in the tire mounting bracket mounting through-hole, the extrusion spring is located in the tire mounting bracket mounting through-hole, extrusion spring one end and friction disk fixed connection, and the extrusion spring other end and tire mounting bracket lateral wall fixed connection, the spring of corresponding intensity can be changed according to the actual conditions to the extrusion spring.

Further, the vehicle running brake device further includes a brake system including: the brake pad power supply system comprises a vehicle central control module, a temperature detection module, a brake pad driving module, a driving motor module and a power supply device power supply module, wherein the vehicle central control module is unidirectionally connected with the brake pad driving module, the temperature detection module is unidirectionally connected with the vehicle central control module, and the vehicle central control module is unidirectionally connected with the driving motor module and the power supply device power supply module respectively;

the vehicle central control module is used for controlling the brake pad driving module, the driving motor module and the power supply module of the power supply device to work and receiving a temperature signal transmitted by the temperature detection module;

the brake pad driving module is used for driving the brake pad to brake the wheel;

the temperature detection module is used for detecting the temperature of the brake disc and transmitting the temperature data to the vehicle central control module;

the driving motor module is used for driving the driving motor to rotate forwards and backwards;

the power supply module of the power supply device is used for supplying power to the power supply device.

Further, the brake system comprises the following specific working steps:

1) the vehicle central control module transmits a braking instruction to the brake pad driving module;

2) the brake pad driving module drives the brake pad to brake the wheel;

3) the temperature detection module detects the temperature of the brake disc, and when the temperature exceeds a preset value, the temperature detection module sends out brake temperature exceeding information to the vehicle central control module;

4) the vehicle central control module receives the brake temperature exceeding information transmitted by the temperature detection module and controls the power supply module of the power supplier and the driving motor module to start;

5) the power supply module of the power supply supplies power to the power supply device, the power supply device supplies power to the winding coil, and an electromagnetic effect is generated in the iron core;

6) the driving motor module supplies power to the driving motor, and the driving motor starts to rotate positively and negatively, so that the distance between the electromagnetic winding and the fan-shaped metal sheet is controlled, the number of magnetic lines of force of a magnetic field generated by the fan-shaped metal sheet cutting the electromagnetic winding is changed, and then counter magnetic fields with different strengths are generated to perform auxiliary braking on the wheel.

Further, the working steps and the principle of the invention are as follows:

1) the brake pad carries out brake operation, and the temperature sensor carries out temperature monitoring on the brake disc;

2) when the brake disc exceeds the preset value of the temperature sensor, the temperature sensor transmits the brake temperature exceeding information to the vehicle central control module;

3) the vehicle central control module controls the power supply module of the power supply device to supply power to the power supply device, the power supply device supplies power to the winding coil, and an electromagnetic effect is generated in the iron core;

4) the fan-shaped metal sheet rotates along with the tire, and magnetic induction lines generated by the electromagnetic winding are cut, so that eddy currents are generated inside the fan-shaped metal sheet, and a diamagnetic field is generated to resist movement;

5) the driving motor module supplies power to the driving motor, and the driving motor starts to rotate forwards and backwards to enable the screw rod to start to rotate forwards and backwards;

6) the lead screw and the movable fixing sleeve rotate relatively, so that the electromagnetic winding is controlled to move back and forth along the lead screw, the distance between the electromagnetic winding and the fan-shaped metal sheet is controlled, the number of magnetic lines of force of a magnetic field generated by the fan-shaped metal sheet cutting the electromagnetic winding is changed, and then counter magnetic fields with different strengths are generated to perform auxiliary braking on the wheel;

7) when the tire is locked, the tire and the ground generate sliding friction, the sliding friction is larger than static friction between the friction disc and the brake disc at the moment, so that the friction disc rotates in the brake disc, the tire mounting rack rotates relative to the brake disc, when the tire mounting rack rotates, the sliding friction between the tire and the ground disappears, the friction disc is static in the brake disc, and the tire mounting rack and the brake disc are static relatively at the moment;

8) and 7), repeating the step 7), and when the brake disc is locked by the brake pad, alternately exchanging the tire between the rotating state and the static state all the time to form the snub effect.

The invention has the beneficial effects that: the anti-lock braking mechanism is provided with the electromagnetic winding and the brake disc, so that when the temperature of the brake disc is too high and the braking capacity of a vehicle is reduced, the electromagnetic winding can provide auxiliary braking to avoid braking failure and accidents of the vehicle, the distance between the electromagnetic winding and the brake disc can be adjusted, the auxiliary braking capacity of the electromagnetic winding on the brake disc is conveniently controlled, the controllability of the auxiliary braking is enhanced, the safety of the auxiliary braking is ensured, the anti-lock braking mechanism can be used for realizing the point braking of a tire under the condition that the tire of the vehicle is locked, the controllability of the vehicle is improved, the vehicle is prevented from rolling over to cause traffic accidents and drivers to be injured, and compared with the traditional braking system, the anti-lock braking system has the excellent effects of strong braking capacity and high braking safety.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a first angular view of the general construction of a service braking device for a vehicle having an auxiliary braking function in accordance with the present invention;

FIG. 2 is a second angle schematic view showing the general structure of a service brake device for a vehicle having an auxiliary braking function according to the present invention;

FIG. 3 is a schematic structural view of the front side of a brake disc of a vehicle service brake device having an auxiliary braking function according to the present invention;

FIG. 4 is a schematic structural view of the rear side of a brake disc of a vehicle service brake device having an auxiliary braking function according to the present invention;

FIG. 5 is a schematic diagram of the structure of the electromagnetic winding of the service braking device of the vehicle having an auxiliary braking function according to the present invention;

FIG. 6 is a schematic view of a lead screw of a vehicle service brake device having an auxiliary braking function according to the present invention;

FIG. 7 is a schematic structural view of a fixing bracket of a vehicle service brake device having an auxiliary braking function according to the present invention;

FIG. 8 is a schematic view of an anti-lock mechanism of a service brake device for a vehicle having an auxiliary braking function according to the present invention;

fig. 9 is a block diagram of a brake system of a service brake device for a vehicle having an auxiliary braking function according to the present invention.

Detailed Description

Referring to fig. 1-9, a vehicle driving brake device with auxiliary braking function includes a wheel fixing bolt 1, a brake disc 2, a temperature sensor 3, an electromagnetic winding 4, a screw 5, a motor fixing frame 6, a driving motor 7, a fixing frame 8, a brake block 9 and a tire mounting frame 10, wherein the wheel fixing bolt 1 is uniformly fixed on one end surface of the tire mounting frame 10, the other end surface is fixedly connected with the brake disc 2 through an anti-lock mechanism 11, the temperature sensor 3 is close to one side of the brake disc 2, the temperature sensor 3 is electrically connected with a vehicle central control system, the brake block 9 is arranged at the edge position of the brake disc 2, the brake block 9 is electrically connected with the vehicle central control system, the electromagnetic winding 4 is arranged at one side of the brake block 9 without the temperature sensor 3, the fixing frame 8 is fixed on a vehicle frame, the driving motor 7 is fixed on the motor fixing frame 6, the motor fixing frame 6 is fixed on the fixing frame 8, lead screw 5 is embedded in mount 8, and lead screw 5 rotates with mount 8 to be connected, 5 one end of lead screw and 7 output shaft fixed connection of driving motor, 5 other ends of lead screw penetrate electromagnetic winding 4 and rotate with tire mounting bracket 10 to be connected, electromagnetic winding 4 is fixed in on the mount 8, and electromagnetic winding 4 and mount 8 sliding connection, electromagnetic winding 4 and driving motor 7 all with vehicle central control system electric connection.

As shown in fig. 3-4, the brake disc 2 is flat disc-shaped, a tire mounting rack mounting through hole is arranged at the center of the brake disc 2, the temperature sensor 3 is close to the front side surface of the brake disc 2, a plurality of fan-shaped grooves are uniformly arranged on the rear side surface of the brake disc 2, fan-shaped metal sheets 12 are fixed in the fan-shaped grooves, and the fan-shaped metal sheets 12 are made of copper-aluminum alloy materials.

As shown in fig. 5, the electromagnetic winding 4 includes a power supply 41, a negative terminal 42, a positive terminal 43, a winding coil 44, a limit connecting rod 45, a movable fixing sleeve 46 and an iron core 47, the iron core 47 is circular, the winding coil 44 is wound on the iron core 47, the negative terminal 42 and the positive terminal 43 are respectively fixedly connected to two ends of the winding coil 44, the negative terminal 42 and the positive terminal 43 are arranged on the power supply 41, the power supply 41 is electrically connected to a vehicle central control system, the movable fixing sleeve 46 is arranged in the center of the iron core 47, two ends of the movable fixing sleeve 46 are respectively provided with the limit connecting rod 45, the two limit connecting rods 45 are respectively fixedly connected to the winding coil 44, and the center of the movable fixing sleeve 46 is provided with a threaded hole.

As shown in fig. 6, the screw 5 includes a screw body 51 and a connector 52, the cross section of the connector 52 is T-shaped, the connector 52 is fixed at the end of the screw body 51, the connector 52 is embedded in the tire mounting frame 10, and the connector 52 is rotatably connected to the tire mounting frame 10, the end of the screw body 51 is rotatably connected to the tire mounting frame 10 through the connector 52, the head end of the screw body 51 is fixedly connected to the output shaft of the driving motor 7, the outer side wall of the screw body 51 is provided with threads, and the threads on the outer side wall of the screw body 51 are in threaded fit connection with the central threaded hole of the movable fixing sleeve 46.

As shown in fig. 7, the fixing frame 8 includes a bottom plate 81, a limiting channel plate 82 and a vertical plate 83, the bottom plate 81 is a flat plate placed horizontally, the vertical plate 83 is fixed vertically at the central position on the upper end surface of the bottom plate 81, the vertical plate 83 and the bottom plate 81 are combined to form a combined body with a T-shaped cross section, the motor fixing frame 6 is fixed on the upper end surface of the bottom plate 81, the motor fixing frame 6 is arranged on one side of the vertical plate 83, the center of the vertical plate 83 is provided with a bearing hole, two sides of the bearing hole are symmetrically fixed with limiting groove plates 82, the limiting groove plates 82 are arranged on one side surface of the vertical plate 83 far away from the motor fixing frame 6, two limiting groove plates 82 are provided with a groove channel which is transverse along the limiting groove plates 82, a limiting connecting rod 45 is arranged in the groove channel, and the limit connecting rod 45 is in sliding fit with the channel, the central bearing hole of the vertical plate 83 is matched with the output shaft of the driving motor 7, and the output shaft of the driving motor 7 is rotationally connected with the central bearing hole of the vertical plate 83.

As shown in fig. 8, the anti-lock mechanism 11 includes a friction disc 111 and an extrusion spring 112, the friction disc 111 is disposed in the tire mounting bracket mounting through hole at the center of the brake disc 2, and the inner side wall of the tire mounting bracket mounting through hole at the center of the brake disc 111 and the brake disc 2 is tightly attached, one end of the tire mounting bracket 10, which is not the wheel fixing bolt 1, is disposed in the tire mounting bracket mounting through hole, the extrusion spring 112 is disposed in the tire mounting bracket mounting through hole, one end of the extrusion spring 112 is fixedly connected with the friction disc 111, and the other end of the extrusion spring 112 is fixedly connected with the outer side wall of the tire mounting bracket 10, and the extrusion spring 112 can be replaced by a spring with corresponding strength according to the actual situation.

As shown in fig. 9, the vehicle running brake apparatus further includes a brake system including: the brake pad power supply system comprises a vehicle central control module, a temperature detection module, a brake pad driving module, a driving motor module and a power supplier power supply module, wherein the vehicle central control module is unidirectionally connected with the brake pad driving module;

the vehicle central control module is used for controlling the brake pad driving module, the driving motor module and the power supply module of the power supply device to work and receiving the temperature signal transmitted by the temperature detection module;

the brake pad driving module is used for driving the brake pad 9 to brake the wheel;

the temperature detection module is used for detecting the temperature of the brake disc 2 and transmitting the temperature data to the vehicle central control module;

the driving motor module is used for driving the driving motor 7 to rotate forwards and backwards;

the power supplier power supply module is used for supplying power to the power supplier 41.

The brake system comprises the following specific working steps:

1) the vehicle central control module transmits a braking instruction to the brake pad driving module;

2) the brake pad driving module drives the brake pads 9 to brake the wheels;

3) the temperature detection module detects the temperature of the brake disc 2, and when the temperature exceeds a preset value, the temperature detection module sends out brake temperature exceeding information to the vehicle central control module;

4) the vehicle central control module receives the brake temperature exceeding information transmitted by the temperature detection module and controls the power supply module of the power supplier and the driving motor module to start;

5) the power supply module of the power supply supplies power to the power supply 41, the power supply 41 supplies power to the winding coil 44, and an electromagnetic effect is generated in the iron core 47;

6) the driving motor module supplies power to the driving motor 7, the driving motor 7 starts to rotate forwards and backwards, so that the distance between the electromagnetic winding 4 and the fan-shaped metal sheet 12 is controlled, the number of magnetic lines of force of a magnetic field generated by the fan-shaped metal sheet 12 when the electromagnetic winding 4 is cut is further changed, and then counter magnetic fields with different strengths are generated to perform auxiliary braking on the wheel.

The working steps and the principle of the invention are as follows:

1) the brake pad 9 carries out braking operation, and the temperature sensor 3 carries out temperature monitoring on the brake disc 2;

2) when the brake disc 2 exceeds the preset value of the temperature sensor 3, the temperature sensor 3 transmits the brake temperature exceeding information to a vehicle central control module;

3) the vehicle central control module controls the power supply module to supply power to the power supply 41, the power supply 41 supplies power to the winding coil 44, and an electromagnetic effect is generated in the iron core 47;

4) the fan-shaped metal sheet 12 rotates along with the tire to cut the magnetic induction lines generated by the electromagnetic winding 4, so that eddy current is generated inside the fan-shaped metal sheet 12, and a counter magnetic field is generated to resist movement;

5) the driving motor module supplies power to the driving motor 7, and the driving motor 7 starts to rotate forwards and backwards, so that the screw 5 starts to rotate forwards and backwards;

6) the screw 5 and the movable fixing sleeve 46 rotate relatively, so that the electromagnetic winding 4 is controlled to move back and forth along the screw 5, the distance between the electromagnetic winding 4 and the fan-shaped metal sheet 12 is controlled, the number of magnetic lines of a magnetic field generated by the fan-shaped metal sheet 12 by cutting the electromagnetic winding 4 is changed, and then counter magnetic fields with different strengths are generated to perform auxiliary braking on the wheel;

7) when the tire is locked, the tire and the ground generate sliding friction, and the sliding friction is larger than static friction between the friction disc 111 and the brake disc 2 at the moment, so that the friction disc 111 rotates in the brake disc 2, the tire mounting frame 10 rotates relative to the brake disc 2, when the tire mounting frame 10 rotates, the tire and the ground generate sliding friction to disappear, the friction disc 111 is static in the brake disc 2, and the tire mounting frame 10 and the brake disc 2 are static relatively at the moment;

8) and 7), repeating the step 7), and when the brake disc 2 is locked by the brake pad 9, alternately exchanging the tire between the rotating state and the static state all the time to form the inching brake effect.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.