CN113859188B - Two-way control braking system and vehicle - Google Patents

Two-way control braking system and vehicle Download PDF

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Publication number
CN113859188B
CN113859188B CN202111346100.6A CN202111346100A CN113859188B CN 113859188 B CN113859188 B CN 113859188B CN 202111346100 A CN202111346100 A CN 202111346100A CN 113859188 B CN113859188 B CN 113859188B
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CN
China
Prior art keywords
brake
pedal
reverse
rocker arm
brake pedal
Prior art date
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Application number
CN202111346100.6A
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Chinese (zh)
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CN113859188A (en
Inventor
张西忠
韩涛
孙辉
曹鹏鹏
刘洪亮
董胜杰
王传旭
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Weichai Lovol Intelligent Agricultural Technology Co Ltd
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Weichai Lovol Intelligent Agricultural Technology Co Ltd
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Priority to CN202111346100.6A priority Critical patent/CN113859188B/en
Publication of CN113859188A publication Critical patent/CN113859188A/en
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Classifications

    • 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
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B60T7/06—Disposition of pedal
    • 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
    • B60T11/08—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 providing variable leverage
    • 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
    • B60T13/10—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 fluid assistance, drive, or release
    • B60T13/12—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 fluid assistance, drive, or release the fluid being liquid
    • B60T13/16—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 fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
    • B60T13/161—Systems with master cylinder
    • B60T13/165—Master cylinder integrated or hydraulically coupled with booster
    • B60T13/166—Part of the system directly actuated by booster pressure

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

Abstract

The invention provides a bi-directional steering brake system and a vehicle. A bi-directional steering brake system comprising: the device comprises a forward braking mechanism, a reverse braking mechanism and an intermediate rotating shaft assembly, wherein the forward braking mechanism and the reverse braking mechanism are respectively arranged on the front side and the rear side of a cab, and the intermediate rotating shaft assembly is arranged at the bottom of the cab; the forward braking mechanism comprises a forward left braking pedal and a forward right braking pedal, the reverse braking mechanism comprises a reverse left braking pedal and a reverse right braking pedal, the reverse left braking pedal is connected with the forward right braking pedal through an intermediate rotating shaft assembly, and the reverse right braking pedal is connected with the forward left braking pedal through an intermediate rotating shaft assembly. Based on forward driving, an operating system for reverse driving is synchronously designed, so that bidirectional operating braking is realized, and a driver can conveniently operate the braking system in forward and reverse directions.

Description

Two-way control braking system and vehicle
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a two-way control braking system and a vehicle.
Background
The tractor brake system has the following three functions: 1. the tractor is decelerated or stopped during running; 2. assisting in sharp turning during field operation; 3. so that the tractor can keep parking on a slope. At present, the brake operation of the tractor on the market is divided into a manual mechanical operation, a manual hydraulic operation and a hydraulic power-assisted operation structure. But various steering arrangements are based on the driver's forward driving design arrangement. The present structure can realize the braking operation of normal forward driving, but can not realize the braking operation during reverse driving.
Disclosure of Invention
The invention aims to solve the technical problem of providing a two-way control braking system and a vehicle aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: the device comprises a forward braking mechanism, a reverse braking mechanism and an intermediate rotating shaft assembly, wherein the forward braking mechanism and the reverse braking mechanism are respectively arranged on the front side and the rear side of a cab, and the intermediate rotating shaft assembly is arranged at the bottom of the cab; the forward braking mechanism comprises a forward left braking pedal and a forward right braking pedal, the reverse braking mechanism comprises a reverse left braking pedal and a reverse right braking pedal, the reverse left braking pedal is connected with the forward right braking pedal through an intermediate rotating shaft assembly, and the reverse right braking pedal is connected with the forward left braking pedal through an intermediate rotating shaft assembly.
The beneficial effects of the invention are as follows: based on forward driving, an operating system for reverse driving is synchronously designed, so that bidirectional operating braking is realized, and a driver can conveniently operate the braking system in forward and reverse directions.
Further, the intermediate shaft assembly includes: first rocking arm seam, middle pivot, second rocking arm seam, middle pivot both ends fixed mounting respectively have first rocking arm seam, second rocking arm seam rotates and installs in middle pivot and be located between two first rocking arm seam, first rocking arm seam pass through the brake pull rod with reverse left brake pedal is connected, first rocking arm seam pass through first drive assembly with forward right brake pedal is connected, second rocking arm seam pass through second drive assembly and forward left brake pedal is connected, second rocking arm seam pass through the brake pull rod with reverse right brake pedal is connected.
The beneficial effects of adopting the further scheme are as follows: the first rocker arm weld is fixed on the middle rotating shaft through a pin shaft, so that left-right side linkage and steering direction conversion are realized. The second rocker arm is welded and contacted with the middle rotating shaft in a rolling way through a needle bearing. So that the driver manipulates the right pedal for forward driving to achieve right braking during forward driving, i.e., left braking during reverse driving.
Further, the first transmission assembly and the second transmission assembly respectively comprise a plurality of pull rods and a rotating shaft rocker arm weld, and every two pull rods are connected through the rotating shaft rocker arm weld.
The beneficial effects of adopting the further scheme are as follows: the structure is simplified, and the installation and maintenance are convenient.
Further, the first transmission assembly comprises a first pull rod, a first rotating shaft rocker arm welding, a second pull rod, a second rotating shaft rocker arm welding and a third pull rod which are sequentially connected, wherein the first rocker arm welding is connected with the first pull rod, and the third pull rod is connected with the free end of the positive right brake pedal; the second transmission assembly comprises a fourth pull rod, a third rotating shaft rocker arm welding, a fifth pull rod, a fourth rotating shaft rocker arm welding and a sixth pull rod which are sequentially connected, wherein the second rocker arm welding is connected with the fourth pull rod, and the sixth pull rod is connected with the free end of the forward left brake pedal.
The beneficial effects of adopting the further scheme are as follows: the two-way control brake control system is based on the existing common manual hydraulic brake control, and a set of reverse control system is added. The pedal assembly, the middle rotating shaft assembly and the rotating shaft rocker arm are assembled at the rear part of the cab and are connected with the forward driving brake pedal through the pull rod. The left brake pedal and the right brake pedal for rear driving are welded through a pull rod and a rotating shaft rocker arm to respectively control the left brake pedal and the right brake pedal for forward driving, and the conversion of left and right braking directions is realized, namely, when the vehicle is driven in the backward direction, the brake wheels on the same side are controlled according to the left and right braking intention of a driver.
Further, the reverse brake mechanism further includes: the brake pedal assembly comprises a pedal mounting bracket, a brake pedal rotating shaft and a brake drum rocker arm, wherein the pedal mounting bracket is mounted in the rear side of a cab, the brake pedal rotating shaft is rotatably mounted on the pedal mounting bracket, a reverse left brake pedal and the brake drum rocker arm are fixedly mounted on the brake pedal rotating shaft, one end of a reverse right brake pedal is rotatably sleeved on the brake pedal rotating shaft, the reverse right brake pedal is positioned between the reverse left brake pedal and the brake drum rocker arm, and the brake drum rocker arm and the reverse right brake pedal are connected with a forward brake mechanism through intermediate rotating shaft assemblies respectively.
Further, a gasket is arranged between the second rocker arm weld and the first rocker arm weld, the gasket is sleeved on the middle rotating shaft, two ends of the rotating shaft of the brake pedal are rotatably mounted on the pedal mounting bracket through needle bearings, the first rocker arm weld is connected with the brake rotary drum rocker arm through a brake pull rod, and the brake rotary drum rocker arm is connected with the reverse left brake pedal.
Further, the forward braking mechanism further includes: the brake pump mounting bracket, a pair of brake pumps, a brake oilcan and a brake, wherein the brake pump mounting bracket and the brake oilcan are mounted inside the front side of the cab, a pair of brake pumps are mounted on the brake pump mounting bracket, a forward right brake pedal and a forward left brake pedal are rotatably mounted on the brake pump mounting bracket, the forward right brake pedal and the forward left brake pedal are in one-to-one correspondence with the pair of brake pumps, and the brake oilcan and the brake are respectively connected with the pair of brake pumps.
The beneficial effects of adopting the further scheme are as follows: when the driver drives in the forward direction with the intention of stopping or decelerating, the left brake pedal and/or the right brake pedal are/is stepped on by the foot, so that the left brake pedal and/or the right brake pedal rotate around the rotating shaft, the push rod piston of the brake pump is pushed to be compressed, and the brake liquid in the brake pump is output and is input to a brake positioned on the chassis through the left brake pipeline and the right brake pipeline, thereby stopping or decelerating is realized. The mechanical control structure and the hydraulic control structure are fused, the left and right braking control directions are controlled, and the forward and reverse braking systems share a set of chassis brakes.
Further, the same first pin shaft is detachably inserted on the reverse left brake pedal and the reverse right brake pedal, and the same second pin shaft is detachably inserted on the forward left brake pedal and the forward right brake pedal.
Further, the braking mode of the forward braking mechanism is mechanical operation or hydraulic assistance.
The beneficial effects of adopting the further scheme are as follows: the braking mode of the forward braking mechanism is manual mechanical operation or manual hydraulic operation or hydraulic power-assisted operation, so that the applicability of the forward braking mechanism is improved.
In addition, the present invention also provides a vehicle including: a bi-directional steering brake system as claimed in any one of the preceding claims.
The beneficial effects of the invention are as follows: based on forward driving, an operating system for reverse driving is synchronously designed, so that bidirectional operating braking is realized, and a driver can conveniently operate the braking system in forward and reverse directions.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a front view of a bi-directional steering brake system provided by an embodiment of the present invention.
Fig. 2 is a top view of a bi-directional steering brake system provided by an embodiment of the present invention.
Fig. 3 is a schematic structural view of a reverse pedal assembly according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an intermediate shaft assembly according to an embodiment of the present invention.
Fig. 5 is a front view of a forward braking mechanism according to an embodiment of the present invention.
Fig. 6 is a top view of a forward braking mechanism according to an embodiment of the present invention.
Reference numerals illustrate: 1. a cab; 2. a forward braking mechanism; 3. a reverse braking mechanism; 4. a reverse pedal assembly; 5. an intermediate spindle assembly; 6. a pedal mounting bracket; 7. a reverse left brake pedal; 8. a reverse right brake pedal; 9. a brake pedal spindle; 10. a brake drum rocker arm; 11. a first pin; 12. the first rocker arm is welded; 13. a middle rotating shaft; 14. the second rocker arm is welded; 15. a gasket; 16. a brake pull rod; 17. brake pedal right; 18. a brake pedal being positively left; 19. a second pin; 20. a first transmission assembly; 21. a second transmission assembly; 22. a first pull rod; 23. the first rotating shaft rocker arm is welded; 24. a second pull rod; 25. the second rotating shaft rocker arm is welded; 26. a third pull rod; 27. a fourth pull rod; 28. welding a third rotating shaft rocker arm; 29. a fifth pull rod; 30. welding a rocker arm of the fourth rotating shaft; 31. a sixth tie rod; 32. a brake pump mounting bracket; 33. a brake pump; 34. a brake oilcan; 35. a brake; 36. a brake pipe.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 6, an embodiment of the present invention provides a bi-directional steering brake system including: a forward braking mechanism 2, a reverse braking mechanism 3 and an intermediate rotating shaft assembly 5, wherein the forward braking mechanism 2 and the reverse braking mechanism 3 are respectively arranged on the front side and the rear side of the cab 1, and the intermediate rotating shaft assembly 5 is arranged at the bottom of the cab 1; the forward braking mechanism 2 comprises a forward left braking pedal 18 and a forward right braking pedal 17, the reverse braking mechanism 3 comprises a reverse left braking pedal 7 and a reverse right braking pedal 8, the reverse left braking pedal 7 is connected with the forward right braking pedal 17 through an intermediate rotating shaft assembly 5, and the reverse right braking pedal 8 is connected with the forward left braking pedal 18 through the intermediate rotating shaft assembly 5.
The beneficial effects of the invention are as follows: based on forward driving, an operating system for reverse driving is synchronously designed, so that bidirectional operating braking is realized, and a driver can conveniently operate the braking system in forward and reverse directions.
The bidirectional-control braking system is characterized in that a set of reverse braking mechanism is added on the basis of the existing common manual hydraulic braking control. The rear part of the cab is provided with a reverse pedal assembly 4, a middle rotating shaft assembly 5 and a rotating shaft rocker arm which are welded together, and the forward right brake pedal 17 and the forward left brake pedal 18 in the forward brake mechanism are connected through a pull rod.
Wherein, reverse left brake pedal, reverse right brake pedal, forward right brake pedal and forward left brake pedal's one end all is provided with reset spring for the footboard resets. The rocker arms are arranged on the rocker arm welding parts.
The invention synchronously develops a reverse driving control system based on forward driving, can realize a new structure of a braking control system of a tractor for bidirectional control, and realizes the following purposes: 1. in forward driving, the driver can stop or slow down the vehicle by operating the forward braking mechanism in front of the cab. 2. The driver can stop or slow down the vehicle by operating the reverse brake mechanism at the rear of the cab when driving in the backward direction. Providing a viable brake actuation system for reverse driving.
When the driver drives in the opposite direction and has the intention of stopping or decelerating, the driver steps on the opposite left brake pedal 7, and drives the brake drum rocker 10 to synchronously rotate through the pin shaft linkage, and pulls the brake pull rod 16 to further pull the first rocker welding 12 in the intermediate rotating shaft assembly 5, and the first rocker welding 12 generates linkage and realizes direction conversion. Meanwhile, the right brake pedal of forward driving is finally operated through the pull rod, the rotating shaft rocker arm welding, the pull rod, the rotating shaft rocker arm welding and the pull rod, so that right brake in forward driving, namely left brake of a driver in a reverse driving cab is realized. Similarly, the other side brakes are vice versa.
When the reverse left brake pedal 7 and the reverse right brake pedal 8 of the reverse drive are simultaneously depressed, the left and right brakes are synchronously realized. The left and right brake pedals for forward and reverse driving are provided with pin shafts (namely the first pin shaft 11 and the second pin shaft 19) communicated with the left and right pedals, so that left and right brakes can be synchronous, and the generation of bias brake during service braking is prevented. When the tractor needs unilateral braking, the pedal pin shaft can be pulled down, and the pedal at one side is independently operated, so that unilateral braking is realized.
In forward driving, the driver can park or slow down the vehicle by operating the cab front brake system. When the driver drives backwards, the vehicle can be stopped or decelerated by operating the rear brake operating system of the cab. Two ends of the middle rotating shaft assembly are fixed on the cab through outer spherical bearings with seats.
The left and right ends of the brake pedal rotating shaft are in rolling contact with the pedal mounting bracket through needle bearings. The left brake pedal and the brake drum rocker arm are fixed on the brake pedal rotating shaft through a pin shaft, and when the left brake pedal treads and rotates, the brake drum rocker arm synchronously rotates. The right brake pedal can rotate freely around the brake pedal rotating shaft. When the left pedal and the right pedal of the reverse driving are simultaneously stepped, left and right braking is synchronously realized. And the left brake pedal and the right brake pedal which are driven in the forward direction and the reverse direction are provided with pin shafts which are communicated with the left brake pedal and the right brake pedal, so that left and right brakes can be synchronous, and the generation of bias brake during service braking is prevented. When the tractor needs unilateral braking, the pin shaft can be pulled down, and the pedal at one side can be independently operated, so that unilateral braking is realized.
The reverse left brake pedal 7 and the reverse right brake pedal 8 for rear driving respectively control the forward right brake pedal 17 and the forward left brake pedal 18 for forward driving through the middle rotating shaft component, the brake pull rod, the brake pedal rotating shaft, the rotating shaft rocker arm welding and the pull rod, and realize the conversion of the left braking direction and the right braking direction, namely, when the driver drives in the backward direction, the brake wheels on the same side are controlled according to the left braking intention and the right braking intention of the driver.
The reverse pedal assembly 4 is composed of the above components. The pedal mounting bracket 6 is fixed on the rear floor of the cab 1 through bolts, the brake pedal rotating shaft 9 is assembled on the pedal mounting bracket 6, and the left end and the right end of the brake pedal rotating shaft 9 are in rolling contact with the pedal mounting bracket 6 through needle bearings. The reverse left brake pedal 7 and the brake drum rocker arm 10 are fixed on the brake pedal rotating shaft 9 through pin shafts, and when the reverse left brake pedal 7 treads and rotates, the brake drum rocker arm 10 synchronously rotates. The reverse right brake pedal 8 is free to rotate about the brake pedal spindle 9.
As shown in fig. 1 to 6, further, the intermediate shaft assembly 5 includes: the brake pedal device comprises a first rocker arm welding 12, an intermediate rotating shaft 13 and a second rocker arm welding 14, wherein the first rocker arm welding 12 is fixedly arranged at two ends of the intermediate rotating shaft 13 respectively, the second rocker arm welding 14 is rotatably arranged on the intermediate rotating shaft 13 and is positioned between the two first rocker arm welding, the first rocker arm welding 12 is connected with a reverse left brake pedal 7 through a brake pull rod 16, the first rocker arm welding 12 is connected with a forward right brake pedal 17 through a first transmission assembly 20, the second rocker arm welding 14 is connected with a forward left brake pedal 18 through a second transmission assembly 21, and the second rocker arm welding 14 is connected with the reverse right brake pedal 8 through the brake pull rod 16.
The beneficial effects of adopting the further scheme are as follows: the first rocker arm weld is fixed on the middle rotating shaft through a pin shaft, so that left-right side linkage and steering direction conversion are realized. The second rocker arm is welded and contacted with the middle rotating shaft in a rolling way through a needle bearing. So that the driver manipulates the right pedal for forward driving to achieve right braking during forward driving, i.e., left braking during reverse driving.
The first rocker arm weld 12 is fixed on the middle rotating shaft 13 through a pin shaft, so that left-right side linkage and steering direction conversion are realized. The second rocker arm weld 14 is in rolling contact with the intermediate rotary shaft 13 through a needle bearing. A gasket 15 is arranged between the first rocker arm welding 12 and the second rocker arm welding 14 to prevent abrasion between moving parts. Two ends of the whole middle rotating shaft assembly are fixed on the cab through outer spherical bearings with seats.
A gasket is arranged between the first rocker arm welding joint and the second rocker arm welding joint so as to prevent abrasion among moving parts.
When driving backward, the brake wheels on the same side are controlled according to the left and right braking intention of the driver. When the left pedal and the right pedal of the reverse driving are simultaneously stepped, left and right braking is synchronously realized. And the left brake pedal and the right brake pedal which are driven in the forward direction and the reverse direction are provided with pin shafts which are communicated with the left brake pedal and the right brake pedal, so that left and right brakes can be synchronous, and the generation of bias brake during service braking is prevented. When the tractor needs unilateral braking, the pin shaft can be pulled down, and the pedal at one side can be independently operated, so that unilateral braking is realized. The forward braking mechanism is connected with the brake, and the reverse rotating mechanism controls the forward braking mechanism, so that the brake is controlled by the forward braking mechanism to realize braking.
As shown in fig. 1 to 6, further, the first transmission assembly 20 and the second transmission assembly 21 respectively include a plurality of tie rods and a rotating shaft rocker arm weld, and each two tie rods are connected by the rotating shaft rocker arm weld.
As shown in fig. 1 to 6, further, the first transmission assembly 20 includes a first pull rod 22, a first pivot rocker arm weld 23, a second pull rod 24, a second pivot rocker arm weld 25, and a third pull rod 26 sequentially connected, the first rocker arm weld 12 is connected to the first pull rod 22, and the third pull rod 26 is connected to the free end of the forward right brake pedal 17; the second transmission assembly 21 comprises a fourth pull rod 27, a third rotating shaft rocker arm weld 28, a fifth pull rod 29, a fourth rotating shaft rocker arm weld 30 and a sixth pull rod 31 which are sequentially connected, the second rocker arm weld 14 is connected with the fourth pull rod 27, and the sixth pull rod 31 is connected with the free end of the forward left brake pedal 18.
The beneficial effects of adopting the further scheme are as follows: the two-way control brake control system is based on the existing common manual hydraulic brake control, and a set of reverse control system is added. The pedal assembly, the middle rotating shaft assembly and the rotating shaft rocker arm are assembled at the rear part of the cab and are connected with the forward driving brake pedal through the pull rod. The left brake pedal and the right brake pedal for rear driving are welded through a pull rod and a rotating shaft rocker arm to respectively control the left brake pedal and the right brake pedal for forward driving, and the conversion of left and right braking directions is realized, namely, when the vehicle is driven in the backward direction, the brake wheels on the same side are controlled according to the left and right braking intention of a driver.
The reverse brake mechanism further includes: pedal mounting bracket 6, brake pedal pivot 9, brake drum rocking arm 10, pedal mounting bracket 6 installs inside the rear side of driver's cabin 1, brake pedal pivot 9 rotates to be installed on the pedal mounting bracket 6, reverse left brake pedal 7 with brake drum rocking arm 10 fixed mounting is in on the brake pedal pivot 9, reverse right brake pedal 8's one end rotation cover is established on the brake pedal pivot 9, reverse right brake pedal 8 is located reverse left brake pedal 7 with between the brake drum rocking arm 10, brake drum rocking arm 10 with reverse right brake pedal 8 respectively through intermediate shaft subassembly 5 with forward braking mechanism 2 is connected.
A gasket 15 is arranged between the second rocker arm weld 14 and the first rocker arm weld 12, the gasket 15 is sleeved on the middle rotating shaft 13, two ends of the brake pedal rotating shaft 9 are rotatably mounted on the pedal mounting bracket 6 through needle bearings, the first rocker arm weld 12 is connected with the brake drum rocker arm 10 through a brake pull rod 16, and the brake drum rocker arm 10 is connected with the reverse left brake pedal 7.
As shown in fig. 1 to 6, further, the forward braking mechanism 2 further includes: the brake pump mounting bracket 32, a pair of brake pumps 33, a brake oil can 34 and a brake 35, wherein the brake pump mounting bracket 32 and the brake oil can 34 are mounted inside the front side of the cab 1, the pair of brake pumps 33 are mounted on the brake pump mounting bracket 32, the forward right brake pedal 17 and the forward left brake pedal 18 are rotatably mounted on the brake pump mounting bracket 32, the forward right brake pedal 17 and the forward left brake pedal 18 are connected with the pair of brake pumps 33 in a one-to-one correspondence, and the brake oil can 34 and the brake 35 are respectively connected with the pair of brake pumps 33.
The beneficial effects of adopting the further scheme are as follows: when the driver drives in the forward direction with the intention of stopping or decelerating, the left brake pedal and/or the right brake pedal are/is stepped on by the foot, so that the left brake pedal and/or the right brake pedal rotate around the rotating shaft, the push rod piston of the brake pump is pushed to be compressed, and the brake liquid in the brake pump is output and is input to a brake positioned on the chassis through the left brake pipeline and the right brake pipeline, thereby stopping or decelerating is realized. The mechanical control structure and the hydraulic control structure are fused, the left and right braking control directions are controlled, and the forward and reverse braking systems share a set of chassis brakes.
The reverse left brake pedal 7 and the reverse right brake pedal 8 are detachably inserted with the same first pin shaft 11, and the forward left brake pedal 18 and the forward right brake pedal 17 are detachably inserted with the same second pin shaft 19.
Taking the manual hydraulic brake operation common in the market at present as an example, a brake pump mounting bracket 32 and a brake oilcan 34 are respectively fixed on the dash panel of the cab 1. The forward right brake pedal 17 and the forward left brake pedal 18 are fitted to the brake pump mounting bracket 32 through a rotation shaft, and the forward right brake pedal 17 and the forward left brake pedal 18 are rotatable about the rotation shaft.
The brake pump 33 is mounted on the brake pump mounting bracket 32 by 4 screws. And the push rod piston of the brake pump 33 is connected to the rocker arms of the forward right brake pedal 17 and the forward left brake pedal 18 through pins.
The front end of the brake pipe 36 correspondingly connected with the pair of brake pumps 33 is assembled at the oil outlet of the brake pumps 33, the pipe body of the brake pipe 36 is fixed below the floor of the cab 1 through a pipe clamp, and the rear end is assembled at the oil inlet joint of the brake 35. Before shipment, the brake fluid is filled into the entire brake operating system via the brake oil pot 34.
When the driver is driving in the forward direction with the intention of stopping or decelerating, the driver presses the forward right brake pedal 17 and/or the forward left brake pedal 18, so that the forward right brake pedal 17 and/or the forward left brake pedal 18 rotate around the rotating shaft, the push rod piston pushing the brake pump 33 is compressed, the brake fluid in the brake pump 33 is output, and the brake fluid is input to the brake 35 positioned on the chassis through the brake pipeline 36, so that stopping or decelerating is realized.
As shown in fig. 1 to 6, the forward braking mechanism 2 is further braked by mechanical manipulation or hydraulic assistance.
The beneficial effects of adopting the further scheme are as follows: the braking mode of the forward braking mechanism is manual mechanical operation or manual hydraulic operation or hydraulic power-assisted operation, so that the applicability of the forward braking mechanism is improved.
The bi-directional steering brake system may also be adapted for use with both mechanical and hydraulic power-assisted brake steering systems. A feasible brake control system is provided for reverse driving and is effectively integrated with forward driving. The mechanical control structure and the hydraulic control structure are fused, and the linkage design of forward driving and reverse driving control meets the diversity requirements of users.
In addition, the present invention also provides a vehicle including: a bi-directional steering brake system as claimed in any one of the preceding claims.
The beneficial effects of the invention are as follows: based on forward driving, an operating system for reverse driving is synchronously designed, so that bidirectional operating braking is realized, and a driver can conveniently operate the braking system in forward and reverse directions.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims (5)

1. A bi-directional steering brake system, comprising: the device comprises a forward braking mechanism (2), a reverse braking mechanism (3) and an intermediate rotating shaft assembly (5), wherein the forward braking mechanism (2) and the reverse braking mechanism (3) are respectively arranged on the front side and the rear side of a cab (1), and the intermediate rotating shaft assembly (5) is arranged at the bottom of the cab (1);
the forward braking mechanism (2) comprises a forward left braking pedal (18) and a forward right braking pedal (17), the reverse braking mechanism (3) comprises a reverse left braking pedal (7) and a reverse right braking pedal (8), the reverse left braking pedal (7) is connected with the forward right braking pedal (17) through an intermediate rotating shaft assembly (5), and the reverse right braking pedal (8) is connected with the forward left braking pedal (18) through the intermediate rotating shaft assembly (5);
The intermediate shaft assembly (5) comprises: the brake pedal device comprises a first rocker arm welding part (12), an intermediate rotating shaft (13) and a second rocker arm welding part (14), wherein the first rocker arm welding part (12) is fixedly arranged at two ends of the intermediate rotating shaft (13), the second rocker arm welding part (14) is rotatably arranged on the intermediate rotating shaft (13) and positioned between the two first rocker arm welding parts, the first rocker arm welding part (12) is connected with a reverse left brake pedal (7) through a brake pull rod (16), the first rocker arm welding part (12) is connected with a forward right brake pedal (17) through a first transmission assembly (20), the second rocker arm welding part (14) is connected with a forward left brake pedal (18) through a second transmission assembly (21), and the second rocker arm welding part (14) is connected with the reverse right brake pedal (8) through the brake pull rod (16);
the first transmission assembly (20) and the second transmission assembly (21) respectively comprise a plurality of pull rods and a rotating shaft rocker arm weld, and every two pull rods are connected through the rotating shaft rocker arm weld;
The first transmission assembly (20) comprises a first pull rod (22), a first rotating shaft rocker arm welding joint (23), a second pull rod (24), a second rotating shaft rocker arm welding joint (25) and a third pull rod (26) which are sequentially connected, the first rocker arm welding joint (12) is connected with the first pull rod (22), and the third pull rod (26) is connected with the free end of the positive right brake pedal (17); the second transmission assembly (21) comprises a fourth pull rod (27), a third rotating shaft rocker arm welding joint (28), a fifth pull rod (29), a fourth rotating shaft rocker arm welding joint (30) and a sixth pull rod (31) which are sequentially connected, the second rocker arm welding joint (14) is connected with the fourth pull rod (27), and the sixth pull rod (31) is connected with the free end of the positive left brake pedal (18);
The same first pin shaft (11) is detachably inserted into the reverse left brake pedal (7) and the reverse right brake pedal (8), and the same second pin shaft (19) is detachably inserted into the forward left brake pedal (18) and the forward right brake pedal (17);
The forward braking mechanism (2) further includes: brake pump installing support (32), a pair of brake pump (33), brake oilcan (34) and stopper (35), brake pump installing support (32) and brake oilcan (34) are installed inside the front side of driver's cabin (1), a pair of brake pump (33) are installed on brake pump installing support (32), forward right brake pedal (17) and forward left brake pedal (18) rotate and install on brake pump installing support (32), forward right brake pedal (17) and forward left brake pedal (18) one-to-one with a pair of brake pump (33) are connected, brake oilcan (34) and stopper (35) are connected with a pair of brake pump (33) respectively.
2. A bi-directional operated brake system according to claim 1, wherein said reverse brake mechanism further comprises: pedal installing support (6), brake pedal pivot (9), brake drum rocking arm (10), pedal installing support (6) are installed inside the rear side of driver's cabin (1), brake pedal pivot (9) rotate install on pedal installing support (6), reverse left brake pedal (7) and brake drum rocking arm (10) fixed mounting are in on brake pedal pivot (9), the one end rotation cover of reverse right brake pedal (8) is established on brake pedal pivot (9), reverse right brake pedal (8) are located reverse left brake pedal (7) with between brake drum rocking arm (10), brake drum rocking arm (10) and reverse right brake pedal (8) are connected through middle pivot subassembly (5) respectively with forward braking mechanism (2).
3. A brake system with two-way steering according to claim 2, characterized in that a spacer (15) is arranged between the second rocker arm weld (14) and the first rocker arm weld (12), the spacer (15) is sleeved on the intermediate rotating shaft (13), two ends of the brake pedal rotating shaft (9) are rotatably mounted on the pedal mounting bracket (6) through needle bearings, the first rocker arm weld (12) is connected with the brake drum rocker arm (10) through a brake pull rod (16), and the brake drum rocker arm (10) is connected with the reverse left brake pedal (7).
4. A bi-directional steering brake system according to claim 1, wherein the braking means of the forward braking mechanism (2) is mechanically steering or hydraulically assisted.
5. A vehicle, characterized by comprising: a bi-directional steering brake system as claimed in any one of claims 1 to 4.
CN202111346100.6A 2021-11-15 2021-11-15 Two-way control braking system and vehicle Active CN113859188B (en)

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AU765666B2 (en) * 1999-06-24 2003-09-25 International Truck Intellectual Property Company, Llc Driver control module
KR20050095815A (en) * 2005-09-09 2005-10-04 정보문 Hydraulic parking brake automatic control device and control method combined with ABS device
CN201009944Y (en) * 2007-03-06 2008-01-23 洛阳拖拉机研究所有限公司 Bidirectional drive control mechanism of wheeled tractor
CN101177139B (en) * 2007-12-10 2011-05-18 常州科研试制中心有限公司 Bidirectional steering vehicle braking transmission system

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