CN111605530B - How a braking system works - Google Patents

How a braking system works Download PDF

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Publication number
CN111605530B
CN111605530B CN202010481807.7A CN202010481807A CN111605530B CN 111605530 B CN111605530 B CN 111605530B CN 202010481807 A CN202010481807 A CN 202010481807A CN 111605530 B CN111605530 B CN 111605530B
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China
Prior art keywords
rod
brake
guide
connecting rod
working method
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CN202010481807.7A
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CN111605530A (en
Inventor
伍文广
胡林
郝威
张志勇
李智诚
唐洪亮
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Changsha University of Science and Technology
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Changsha University of Science and Technology
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Publication of CN111605530A publication Critical patent/CN111605530A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/04—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Elements And Transmission Devices (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

A working method of a brake system comprises a control unit, a brake pedal, a sensor assembly, a fixing plate, a brake piston assembly, a brake pad, a brake disc and a connecting rod type power-assisted brake assembly; the connecting rod type power-assisted brake assembly comprises a first elastic component, a mandril, a push rod, a plunger, a brake pedal connecting rod, a second elastic component, a guide rod, a longitudinal pin, a connecting rod component, a linear motor, a sliding support, a brake main cylinder, a piston, a first neck, an L-shaped cavity, a ball head, an opening, a second neck, an outer guide surface, an upper sliding groove, a transverse pin, an inner guide surface, an underframe, a supporting block, a guide frame, an inner hole and a guide sleeve; the working method comprises a normal braking mode working method and an emergency braking mode working method.

Description

Working method of brake system
Technical Field
The invention relates to the field of vehicle brakes, in particular to a working method of a brake system.
Background
The transportation industry is the life line of the market economy, and vehicles occupy an important position in the life and production of people. The vehicle is one of important vehicles, and the vehicle generally includes a hydraulic brake system for reducing the speed of the vehicle or stopping the vehicle, so as to control the distance between vehicles and the speed of the vehicle and ensure the safety performance of the vehicle during running. The hydraulic brake system in the prior art is composed of a brake pedal, a hydraulic oil cylinder, a brake disc, a brake pad and the like, and comprises a series of sensors for adjusting feedback and providing a buffer device for adjusting vibration in a brake.
In the conventional brake, there are the following problems:
in the existing brake, the brake pedal directly controls the brake, and manpower is a laborious thing to control the brake pedal.
To address the issue of manual control, some prior art systems provide power-assisted brakes that increase the weight of the vehicle due to the complexity and use of large components. Such as the braking system that patent CN105857283A proposed, it adopts worm gear and rack and pinion as the drive mechanism, and this kind of scheme, the efficiency of transmission is lower, and the performance requirement to the motor is higher, also does not contribute to cost saving and energy-conservation of car. The electric power-assisted brake based on the ball screw mechanism, such as the CN103129546A patent, has complex structure processing and installation, high cost and difficult popularization.
In the prior art, the power-assisted brake fails to provide redundant brake backup for a brake system, and when a motor fails, the backup brake force is insufficient.
The prior art booster brake has a problem of complicated structure even if a portable structure such as a connecting rod is used, and two transmission systems of a pedal brake and a booster brake are faced.
In the prior art, the power-assisted brake and the manual pedal brake are overlooked, and a powerful and stable pedal drive transmission path is lacked.
The prior art power brakes involve complicated gear mechanisms which, however, have a guiding requirement, but it is not possible to design a guide for each gear part, since space is not allowed.
Disclosure of Invention
In order to solve the technical problem, the invention provides a working method of a brake system, wherein the brake system comprises a control unit, a brake pedal, a sensor assembly, a fixing plate, a brake piston assembly, a brake pad, a brake disc and a connecting rod type power-assisted brake assembly; the connecting rod type power-assisted brake assembly comprises a first elastic component, a mandril, a push rod, a plunger, a brake pedal connecting rod, a second elastic component, a guide rod, a longitudinal pin, a connecting rod component, a linear motor, a sliding support, a brake main cylinder, a piston, a first neck, an L-shaped cavity, a ball head, an opening, a second neck, an outer guide surface, an upper sliding groove, a transverse pin, an inner guide surface, an underframe, a supporting block, a guide frame, an inner hole and a guide sleeve; the plunger comprises a pressing surface, a pressing ring, a ring wall, a sleeve and a push block; a transverse hole is formed in the longitudinal pin; the connecting rod assembly comprises a first rod, a second rod, a third rod, a fourth rod, a fifth rod and a sixth rod; the working method comprises a normal braking mode working method and an emergency braking mode working method;
the brake pedal connecting rod is driven by a brake pedal to move axially along a first axial line, the linear motor drives the connecting rod assembly to generate brake assistance, and the connecting rod assembly is used for outputting the brake assistance; a ball head is arranged at one end of the brake pedal connecting rod and wrapped in a sleeve of the plunger, and the plunger sequentially comprises a push block, a sleeve, a compression ring and a ring wall from left to right; the outer diameter of the sleeve is smaller than that of the push block, the right end of the sleeve radially extends out of the compression ring, and the outer edge of the compression ring extends out of the ring wall rightwards; the left end of the compression ring forms the compression surface;
the right side part of the push rod is a second neck part with a reduced diameter, the push block is accommodated in the second neck part, and the L-shaped cavity is defined by the second neck part and the plunger; a circular groove is formed in the left end face of the push rod, the ejector rod is arranged in the circular groove, the left end of the ejector rod is connected with the piston, and the piston moves in the brake master cylinder; the push rod slides in the sliding support, the right part of the sliding support is a first neck part which is reduced in diameter, and the lower side of the first neck part is provided with an opening; the distance between the pressing surface and the left end face of the push block is L2, the length of the push block accommodating part of the second neck part is L1, and L1> L2 so that the pressing surface can press the second neck part to assist in transmitting braking force; the annular wall is matched and connected with the second neck part, and the annular wall is in clearance fit with the second neck part so as to communicate the L-shaped cavity with the outside;
an output shaft of the linear motor is connected with one end of the sixth rod, the other end of the sixth rod is connected with one end of the fifth rod, the other end of the fifth rod is simultaneously connected with one end of the fourth rod and one end of the second rod through a hinge point, the second rod is an actuating rod, and the other end of the second rod penetrates through the opening to be connected with the second neck portion, so that the push rod is driven to move; the other end of the fourth rod is connected with one end of the third rod, the other end of the third rod is connected with one end of the first rod, the other end of the first rod is connected with one end of the guide rod, and the guide rod is arranged in the guide frame;
an arc-shaped outer guide surface is arranged above the guide frame to accommodate and guide the brake pedal connecting rod, a sliding groove extending along the first axis is arranged at the bottom of the outer guide surface to accommodate the longitudinal pin, a round-hole-shaped inner guide surface is arranged inside the guide frame to accommodate the guide rod, the support block is supported above the bottom wall of the guide frame and is connected with the underframe and the guide frame through the support of the support block, the longitudinal pin is arranged in the middle of the underframe, holes are formed in the side wall of the guide frame to allow the transverse pin to pass through, the length of the transverse pin is smaller than the diameter of the round-hole-shaped inner guide surface, the transverse hole in the longitudinal pin is used for accommodating the transverse pin, and an inner hole is arranged at the lower part of the brake pedal connecting rod to accommodate the longitudinal pin;
the normal braking mode working method comprises the following steps: the control unit judges whether the linear motor fails or not, if not, a normal braking mode is started, and when a brake pedal is pressed down, the sensor assembly senses displacement and force corresponding to the movement of a brake pedal connecting rod and transmits a signal to the control unit, so that the control unit judges a braking requirement and controls the linear motor to output power, the push rod is driven to move through the connecting rod assembly, the piston is driven to move in a brake main cylinder, and oil pressure is output to control the brake piston assembly to move so as to enable the brake pad to be combined with the brake disc;
the emergency braking mode working method comprises the following steps: the control unit judges whether the linear motor fails or not, and starts an emergency braking mode when the judgment result is yes; the booster brake assembly further comprises a longitudinal driving rod to push the longitudinal pin, the longitudinal pin moves upwards to penetrate through the bottom wall of the guide frame, the guide rod and the sliding groove to enter an inner hole of the brake pedal connecting rod, the transverse pin moves to penetrate through the guide rod and the transverse hole, and the longitudinal driving rod is withdrawn downwards; when the brake pedal is pressed down, the brake pedal connecting rod drives the longitudinal pin to move in the sliding groove, so that the guide rod is driven to move to output power; when the brake pedal is pressed for a certain distance, the pressing surface is contacted with the push rod to output power.
Further, the sensor assembly is connected with a signal amplifier.
Further, the power-assisted brake assembly further comprises a transverse driving rod to push the transverse pin.
Further, the lateral driving lever is locked to or unlocked from the lateral pin by a rotational engagement.
Further, the linear motor is a non-self-locking motor.
Further, a sensor assembly is coupled to the brake pedal linkage for detecting a degree of pedal braking to initiate operation of the linear motor during an initial braking phase and to interrupt operation of the linear motor during an end braking phase.
Furthermore, a guide sleeve is fixedly arranged at the lower part of the guide frame so as to guide the movement of the longitudinal pin.
Furthermore, the lengths of the connecting rods in the connecting rod assemblies are different.
Furthermore, the ejector rod consists of a disc part and a rod part which are integrally connected.
Further, a groove extending along the first axis is disposed between the annular wall and the second neck portion to form a clearance fit.
The invention has the beneficial effects that:
aiming at the 1 st point and the 2 nd point of the background technology, a portable connecting rod mechanism is adopted for transmission assistance, the weight of the whole equipment is saved, the complexity is reduced, and the transmission efficiency is guaranteed through reasonable structural design.
Aiming at the 3 rd point of the background technology, the adopted lever mechanism has two operation modes of a working mode and an emergency mode, the link mechanism can be acted by the linear motor to generate braking assistance in the working mode, manual braking force is transmitted to the braking executing element by the link mechanism in the emergency mode, and the auxiliary force is provided by fewer parts, so that redundant braking backup is provided for a hydraulic braking system.
Aiming at the 3 rd point of the background art, the specific improvement of the emergency mode is as follows: the motor is a non-self-locking motor, and the linkage of a transverse pin and a longitudinal pin is adopted to enable the manual braking force to be linked with the power assisting system.
Aiming at the 4 th point of the background technology, the scheme of combining two sets of connecting rod input mechanisms into one set of output mechanism is adopted, so that the space is saved, the efficiency is improved, and the number of components is reduced.
Aiming at the 5 th point of the background technology, the braking force output by the pedal is utilized to a greater extent through the arrangement of the pressing surface, so that in a power-assisted braking system, the manual braking force can be transmitted more stably and more efficiently in an emergency state.
Aiming at the 6 th point of the background technology, one part is used for playing a role in double guiding, so that the space is saved, the number of parts is reduced, and the structure is simplified.
Note: the foregoing designs are not sequential, each of which provides a distinct and significant advance in the present invention over the prior art.
Drawings
Fig. 1 is an overall structural view of a link type power-assisted brake assembly.
FIG. 2 is a partial view of the transmission portion of the linked power-assisted brake assembly.
FIG. 3 is a side view of a guide portion of the linked booster brake assembly.
FIG. 4 is a schematic view of a braking system.
FIG. 5 is a flow chart of the operation of the power-assisted brake.
In the figures, the reference numerals are as follows:
1. a first elastic member; 2. a top rod; 3. a push rod; 4. a plunger; 5. a brake pedal link; 6. a second elastic member; 7. a guide bar; 8. a longitudinal pin; 9. a first lever; 10. a second lever; 11. a third lever; 12. a fourth bar; 13. a fifth lever; 14. a sixth rod; 15. a linear motor; 16. a sliding support; 17. a brake master cylinder; 18. a piston; 19. a first neck portion; 20. a compression surface; 21. an L-shaped cavity; 22. a compression ring; 23. an annular wall; 24. a sleeve; 25. a ball head; 26. an opening; 27. a push block; 28. a second neck portion; 29. an outer guide surface; 30. an upper chute; 31. a transverse pin; 32. an inner guide surface; 33. a transverse hole; 34. a chassis; 35. a support block; 36. a guide frame; 37. an inner bore; 38. a guide sleeve; 39. a brake pedal; 40. a sensor assembly; 41. a fixing plate; 42. a brake piston assembly; 43. a brake pad; 44. a brake disk.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in the figure: a working method of a brake system comprises a control unit, a brake pedal, a sensor assembly, a fixing plate, a brake piston assembly, a brake pad, a brake disc and a connecting rod type power-assisted brake assembly; the connecting rod type power-assisted brake assembly comprises a first elastic component, a push rod (or called as a valve body), a plunger, a brake pedal connecting rod, a second elastic component, a guide rod, a longitudinal pin, a connecting rod component, a linear motor, a sliding support, a brake master cylinder, a piston, a first neck, an L-shaped cavity, a ball head, an opening, a second neck, an outer guide surface, an upper sliding chute, a transverse pin, an inner guide surface, an underframe, a supporting block, a guide frame, an inner hole and a guide sleeve; the plunger comprises a pressing surface, a pressing ring, a ring wall, a sleeve and a push block; a transverse hole is formed in the longitudinal pin; the connecting rod assembly comprises a first rod, a second rod, a third rod, a fourth rod, a fifth rod and a sixth rod; the working method comprises a normal braking mode working method and an emergency braking mode working method;
the brake pedal connecting rod is driven by a brake pedal to move axially along a first axial line, the linear motor drives the connecting rod assembly to generate brake assistance, and the connecting rod assembly is used for outputting the brake assistance; a ball head is arranged at one end of the brake pedal connecting rod and wrapped in a sleeve of the plunger, and the plunger sequentially comprises a push block, a sleeve, a compression ring and a ring wall from left to right; the outer diameter of the sleeve is smaller than that of the push block, the right end of the sleeve radially extends out of the compression ring, and the outer edge of the compression ring extends out of the ring wall rightwards; the left end of the compression ring forms the compression surface;
as shown in the figure: the right side part of the push rod is a second neck part with a reduced diameter, the push block is accommodated in the second neck part, and the L-shaped cavity is defined by the second neck part and the plunger; a circular groove is formed in the left end face of the push rod, the ejector rod is arranged in the circular groove, the left end of the ejector rod is connected with the piston, and the piston moves in the brake master cylinder; the push rod slides in the sliding support, the right part of the sliding support is a first neck part which is reduced in diameter, and the lower side of the first neck part is provided with an opening; the distance between the pressing surface and the left end face of the push block is L2, the length of the push block accommodating part of the second neck part is L1, and L1> L2 so that the pressing surface can press the second neck part to assist in transmitting braking force; the annular wall is matched and connected with the second neck part, and the annular wall is in clearance fit with the second neck part so as to communicate the L-shaped cavity with the outside;
an output shaft of the linear motor is connected with one end of the sixth rod, the other end of the sixth rod is connected with one end of the fifth rod, the other end of the fifth rod is simultaneously connected with one end of the fourth rod and one end of the second rod through a hinge point, the second rod is an actuating rod, and the other end of the second rod penetrates through the opening to be connected with the second neck portion, so that the push rod is driven to move; the other end of the fourth rod is connected with one end of the third rod, the other end of the third rod is connected with one end of the first rod, the other end of the first rod is connected with one end of the guide rod, and the guide rod is arranged in the guide frame;
as shown in the figure: an arc-shaped outer guide surface is arranged above the guide frame to accommodate and guide the brake pedal connecting rod, a sliding groove extending along the first axis is arranged at the bottom of the outer guide surface to accommodate the longitudinal pin, a round-hole-shaped inner guide surface is arranged inside the guide frame to accommodate the guide rod, the support block is supported above the bottom wall of the guide frame and is connected with the underframe and the guide frame through the support of the support block, the longitudinal pin is arranged in the middle of the underframe, holes are formed in the side wall of the guide frame to allow the transverse pin to pass through, the length of the transverse pin is smaller than the diameter of the round-hole-shaped inner guide surface, the transverse hole in the longitudinal pin is used for accommodating the transverse pin, and an inner hole is arranged at the lower part of the brake pedal connecting rod to accommodate the longitudinal pin;
the normal braking mode working method comprises the following steps: the control unit judges whether the linear motor fails or not, if not, a normal braking mode is started, and when a brake pedal is pressed down, the sensor assembly senses displacement and force corresponding to the movement of a brake pedal connecting rod and transmits a signal to the control unit, so that the control unit judges a braking requirement and controls the linear motor to output power, the push rod is driven to move through the connecting rod assembly, the piston is driven to move in a brake main cylinder, and oil pressure is output to control the brake piston assembly to move so as to enable the brake pad to be combined with the brake disc;
the emergency braking mode working method comprises the following steps: the control unit judges whether the linear motor fails or not, and starts an emergency braking mode when the judgment result is yes; the booster brake assembly further comprises a longitudinal driving rod to push the longitudinal pin, the longitudinal pin moves upwards to penetrate through the bottom wall of the guide frame, the guide rod and the sliding groove to enter an inner hole of the brake pedal connecting rod, the transverse pin moves to penetrate through the guide rod and the transverse hole, and the longitudinal driving rod is withdrawn downwards; when the brake pedal is pressed down, the brake pedal connecting rod drives the longitudinal pin to move in the sliding groove, so that the guide rod is driven to move to output power; when the brake pedal is pressed for a certain distance, the pressing surface is contacted with the push rod to output power.
The sensor assembly is connected with a signal amplifier. The booster brake assembly further includes a transverse drive bar to push the transverse pin. The transverse driving rod is locked or unlocked with the transverse pin through rotary clamping. The linear motor is a non-self-locking motor. The sensor assembly is connected with the brake pedal connecting rod and is used for detecting the brake degree of the pedal, so that the work of the linear motor is started in the initial brake stage, and the work of the linear motor is interrupted in the final brake stage. And a guide sleeve is fixedly arranged at the lower part of the guide frame so as to guide the movement of the longitudinal pin. The connecting rods in the connecting rod assemblies are different in length. The ejector rod is composed of a disc part and a rod part which are integrally connected. A groove extending along the first axis is disposed between the annular wall and the second neck portion to form a clearance fit.
Compared with the conventional power assisting device, the connecting rod type power assisting brake assembly can provide redundant brake backup for a hydraulic brake system, is simple in mechanism and high in transmission efficiency, and helps a vehicle to stop running under any deceleration condition through mechanical power assistance.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1.一种刹车系统的工作方法，其特征在于：所述刹车系统包括控制单元、刹车踏板、传感器组件、固定板、制动活塞组件、刹车片、制动盘、连杆式助力制动器组件；所述连杆式助力制动器组件包括第一弹性部件、顶杆、推杆、柱塞、制动踏板连杆、第二弹性部件、导向杆、纵销、连杆组件、直线电机、滑动支架、制动主缸、活塞、第一颈部、L形腔、球头、开口、第二颈部、外导向面、上滑槽、横销、内导向面、底架、支撑块、导向架、内孔、导向套；所述柱塞包括压紧面、压紧环、环壁、套筒、推块；所述纵销中设有横孔；所述连杆组件包括第一杆、第二杆、第三杆、第四杆、第五杆、第六杆；所述工作方法包括正常刹车模式工作方法、应急刹车模式工作方法；1. A working method of a braking system, characterized in that: the braking system comprises a control unit, a brake pedal, a sensor assembly, a fixed plate, a brake piston assembly, a brake pad, a brake disc, a connecting rod-type booster brake assembly; The link-type power-assisted brake assembly includes a first elastic part, an ejector rod, a push rod, a plunger, a brake pedal connecting rod, a second elastic part, a guide rod, a vertical pin, a connecting rod assembly, a linear motor, a sliding bracket, Brake master cylinder, piston, first neck, L-shaped cavity, ball head, opening, second neck, outer guide surface, upper chute, cross pin, inner guide surface, bottom frame, support block, guide frame, an inner hole and a guide sleeve; the plunger includes a pressing surface, a pressing ring, a ring wall, a sleeve, and a push block; the vertical pin is provided with a transverse hole; the connecting rod assembly includes a first rod, a second lever, third lever, fourth lever, fifth lever, sixth lever; the working method includes the working method of normal braking mode and the working method of emergency braking mode; 所述制动踏板连杆被制动踏板驱动而沿第一轴线轴向移动，所述直线电机驱动所述连杆组件以产生制动助力，所述连杆组件用于输出制动助力；所述制动踏板连杆一端设有球头，所述球头包裹在所述柱塞的套筒中，所述柱塞从左至右依次包括推块、套筒、压紧环、环壁；所述套筒的外直径小于推块的外直径，所述套筒右端径向向外延伸出所述压紧环，所述压紧环外缘部位向右延伸出所述环壁；所述压紧环的左端形成所述压紧面；The brake pedal connecting rod is driven by the brake pedal to move axially along the first axis, the linear motor drives the connecting rod assembly to generate brake boosting force, and the connecting rod assembly is used for outputting the braking boosting force; One end of the brake pedal connecting rod is provided with a ball head, and the ball head is wrapped in the sleeve of the plunger, and the plunger sequentially includes a push block, a sleeve, a pressing ring, and a ring wall from left to right; The outer diameter of the sleeve is smaller than the outer diameter of the push block, the pressing ring extends radially outward from the right end of the sleeve, and the outer edge of the pressing ring extends rightward out of the ring wall; the The left end of the pressing ring forms the pressing surface; 所述推杆右侧部分为径缩的第二颈部，第二颈部内侧容纳所述推块，第二颈部与所述柱塞之间围成所述L形腔；所述推杆左端面设有圆槽，圆槽中设有所述顶杆，所述顶杆左端连接所述活塞，所述活塞在所述制动主缸中运动；所述推杆在所述滑动支架中滑动，所述滑动支架右侧部分为径缩的第一颈部，所述第一颈部下侧具有开口；所述压紧面与所述推块左端面之间的距离为L2，所述第二颈部容纳推块部分的长度为L1，L1>L2以使得所述压紧面可压紧所述第二颈部，从而辅助传递制动力；所述环壁与所述第二颈部配合连接，且所述环壁与第二颈部之间为间隙配合，以联通所述L形腔与外界；The right part of the push rod is a diameter-reduced second neck, the inner side of the second neck accommodates the push block, and the L-shaped cavity is enclosed between the second neck and the plunger; the push rod The left end face is provided with a circular groove, the circular groove is provided with the ejector rod, the left end of the ejector rod is connected with the piston, and the piston moves in the brake master cylinder; the push rod is in the sliding bracket sliding, the right part of the sliding bracket is a first neck with a diameter reduction, and the lower side of the first neck has an opening; the distance between the pressing surface and the left end surface of the push block is L2, the The length of the second neck portion for accommodating the push block is L1, L1>L2, so that the pressing surface can press the second neck, so as to assist in transmitting the braking force; the ring wall and the second neck Fitting connection, and clearance fit between the ring wall and the second neck, so as to communicate the L-shaped cavity and the outside world; 所述直线电机的输出轴与所述第六杆一端连接，所述第六杆另一端与所述第五杆一端连接，所述第五杆另一端通过铰接点同时与所述第四杆的一端与所述第二杆的一端连接，所述第二杆为执行杆，第二杆的另一端穿过所述开口与所述第二颈部连接，从而驱动所述推杆移动；所述第四杆的另一端与所述第三杆的一端连接，所述第三杆的另一端与所述第一杆的一端连接，所述第一杆的另一端与所述导向杆的一端连接，所述导向杆设置在所述导向架内；The output shaft of the linear motor is connected with one end of the sixth rod, the other end of the sixth rod is connected with one end of the fifth rod, and the other end of the fifth rod is simultaneously connected with the fourth rod through the hinge point. One end is connected with one end of the second rod, the second rod is an execution rod, and the other end of the second rod is connected with the second neck through the opening, so as to drive the push rod to move; the The other end of the fourth rod is connected with one end of the third rod, the other end of the third rod is connected with one end of the first rod, and the other end of the first rod is connected with one end of the guide rod , the guide rod is arranged in the guide frame; 所述导向架上方设有弧形的外导向面，以容纳导向所述制动踏板连杆，所述外导向面底部设有沿所述第一轴线延伸的滑槽以容纳所述纵销，所述导向架内部设有圆孔形的内导向面以容纳所述导向杆，所述导向架底壁上方支撑有所述支撑块，通过所述支撑块的支撑以连接所述底架与所述导向架，所述底架中部设有所述纵销，所述导向架侧壁设有孔以供所述横销通过，所述横销的长度小于所述圆孔形的内导向面的直径，所述纵销中的横孔用来容纳所述横销，所述制动踏板连杆下部设有内孔以容纳所述纵销；An arc-shaped outer guide surface is arranged above the guide frame to accommodate and guide the brake pedal connecting rod, and the bottom of the outer guide surface is provided with a chute extending along the first axis to accommodate the vertical pin, The guide frame is provided with a circular hole-shaped inner guide surface to accommodate the guide rod, the support block is supported above the bottom wall of the guide frame, and the support block is supported to connect the bottom frame and the guide rod. In the guide frame, the vertical pin is provided in the middle of the bottom frame, the side wall of the guide frame is provided with a hole for the horizontal pin to pass through, and the length of the horizontal pin is less than the length of the circular hole-shaped inner guide surface. diameter, the transverse hole in the longitudinal pin is used to accommodate the transverse pin, and the lower part of the brake pedal connecting rod is provided with an inner hole to accommodate the longitudinal pin; 所述正常刹车模式工作方法包括：控制单元判断所述直线电机是否失效，判断结果为否时，启动正常刹车模式，制动踏板压下时，所述传感器组件感测与制动踏板连杆的移动对应的位移和力，传输信号到所述控制单元，从而所述控制单元判断出制动需求、控制直线电机输出动力，通过连杆组件驱动所述推杆运动，从而驱动所述活塞在制动主缸中运动，输出油压控制所述制动活塞组件移动以使得所述刹车片与所述制动盘结合；The working method of the normal braking mode includes: the control unit determines whether the linear motor fails, and when the determination result is no, the normal braking mode is activated, and when the brake pedal is pressed, the sensor assembly senses the contact between the brake pedal connecting rod and the brake pedal. Move the corresponding displacement and force, and transmit signals to the control unit, so that the control unit determines the braking demand, controls the linear motor to output power, and drives the push rod to move through the connecting rod assembly, thereby driving the piston to brake. moving in the active master cylinder, and the output oil pressure controls the movement of the brake piston assembly so that the brake pads are combined with the brake disc; 所述应急刹车模式工作方法包括：控制单元判断所述直线电机是否失效，判断结果为是时，启动应急刹车模式；所述助力制动器组件还包括纵向驱动杆以推动所述纵销，所述纵销向上移动穿过所述导向架的底壁、所述导向杆、所述滑槽进入所述制动踏板连杆的内孔中，所述横销移动以穿过所述导向杆与所述横孔，之后所述纵向驱动杆向下退出；制动踏板压下时，制动踏板连杆带动纵销在所述滑槽中移动，从而驱动所述导向杆移动输出动力；当制动踏板压下一定距离时，所述压紧面与所述推杆接触以输出动力。The emergency braking mode working method includes: the control unit determines whether the linear motor fails, and when the determination result is yes, activates the emergency braking mode; the booster brake assembly further includes a longitudinal drive rod to push the vertical pin, the vertical The pin moves upward through the bottom wall of the guide frame, the guide rod, and the chute into the inner hole of the brake pedal link, and the cross pin moves to pass through the guide rod and the horizontal hole, and then the longitudinal driving rod exits downward; when the brake pedal is pressed, the brake pedal connecting rod drives the vertical pin to move in the chute, thereby driving the guide rod to move and output power; when the brake pedal is pressed When a certain distance is left, the pressing surface contacts with the push rod to output power. 2.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：所述传感器组件与信号放大器连接。2 . The working method of a braking system according to claim 1 , wherein the sensor assembly is connected to a signal amplifier. 3 . 3.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：所述助力制动器组件还包括横向驱动杆以推动所述横销。3 . The working method of a braking system according to claim 1 , wherein the booster brake assembly further comprises a transverse drive rod to push the transverse pin. 4 . 4.根据权利要求3所述的一种刹车系统的工作方法，其特征在于：所述横向驱动杆通过旋转卡合与所述横销锁定或解除锁定。4 . The working method of a braking system according to claim 3 , wherein the transverse drive rod is locked or unlocked with the transverse pin through rotational engagement. 5 . 5.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：直线电机为非自锁电机。5. The working method of a braking system according to claim 1, wherein the linear motor is a non-self-locking motor. 6.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：所述传感器组件与所述制动踏板连杆连接，用于检测踏板制动程度，从而在初始制动阶段启动直线电机的工作，在结束制动阶段中断直线电机的工作。6 . The working method of a braking system according to claim 1 , wherein the sensor assembly is connected to the brake pedal connecting rod, and is used to detect the degree of pedal braking, so as to start in the initial braking stage. 7 . The work of the linear motor is interrupted at the end of the braking phase. 7.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：所述导向架下部固定设置导向套，以对纵销的运动进行导向。7 . The working method of a braking system according to claim 1 , wherein a guide sleeve is fixedly arranged at the lower part of the guide frame to guide the movement of the vertical pin. 8 . 8.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：所述连杆组件内的连杆长度均不相同。8 . The working method of a braking system according to claim 1 , wherein the lengths of the connecting rods in the connecting rod assemblies are all different. 9 . 9.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：所述顶杆由一体连接的圆盘部与杆部组成。9 . The working method of a braking system according to claim 1 , wherein the ejector rod is composed of a disc part and a rod part which are integrally connected. 10 . 10.根据权利要求1所述的一种刹车系统的工作方法，其特征在于：所述环壁与第二颈部之间设置沿所述第一轴线延伸的槽以构成间隙配合。10 . The working method of a braking system according to claim 1 , wherein a groove extending along the first axis is provided between the annular wall and the second neck to form a clearance fit. 11 .
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