CN108068782B - Vehicle control system, working method - Google Patents

Vehicle control system, working method Download PDF

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Publication number
CN108068782B
CN108068782B CN201711327228.1A CN201711327228A CN108068782B CN 108068782 B CN108068782 B CN 108068782B CN 201711327228 A CN201711327228 A CN 201711327228A CN 108068782 B CN108068782 B CN 108068782B
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valve
mouth
mouthfuls
vehicle
tractor
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CN108068782A (en
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不公告发明人
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Shanghai Industrial Control Safety Innovation Technology Co ltd
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Shanghai Industrial Control Safety Innovation Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T11/00Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/24Single initiating means operating on more than one circuit, e.g. dual circuits

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The present invention provides a kind of vehicle control system, working method, including fuel tank, filter, hydraulic pump, safety valve, gear selecting operation valve, forward gear clutch, reverse drive gear clutch, shuttle valve, pilot operated valve device, accumulator, tractor parking brake, tractor shut-down hydraulic cylinder, hydraulic control air valve, gas bag, assistor, trailer parking brake, trailer shut-down hydraulic cylinder.Gear selecting operation valve includes control stick.(1) truck-trailer combination just has stopping brake when the present invention can make vehicle hang neutral gear, and accident is not susceptible to when vehicle being made to be parked in operation on ramp;(2) present invention, which does not need setting tractor stopping brake valve, Pneumatic valve, relay valve, check valve, the second gas bag, can make trailer when realization tractor stopping brake also have stopping brake, the system for simplifying vehicle.

Description

Vehicle control system, working method
The application is divisional application, parent application number: 2015110094692, the applying date: and 2015-12-30, denomination of invention: A kind of vehicle gear selecting, stopping brake combined control system.
Technical field
The present invention relates to technical field of vehicle control, more particularly to a kind of vehicle control system, working method.
Background technique
Towed vehicle includes tractor and trailer, and some towed vehicles need the operation in parking, at this moment need vehicle hanging over sky Shelves, and operate tractor stopping brake valve and carry out stopping brake, and often occur not operating tractor stopping brake in practicing Valve carries out stopping brake and just stops operation, if at this moment accident easily occurs on ramp for vehicle.If in addition in the biggish ramp of the gradient When upper operation, truck-trailer combination is needed to all have stopping brake, just can guarantee that vehicle does not glide on ramp.China's authorization is public Announcement number discloses a kind of parking brake system of underground mine use towed vehicle for CN203819220U utility model patent specification, Solve the problems, such as that trailer also has braking when tractor stopping brake, but tractor stopping brake valve, gas need to be arranged in this system Valve 10, relay valve 11, check valve 12, the second gas bag 13 are controlled, generally vehicle also needs setting gear selecting operation valve, therefore system is more It is complicated.In addition it can not realize that just there is stopping brake when vehicle hangs over neutral gear, therefore have security risk.
Summary of the invention
Truck-trailer combination has stopping brake when it is an object of the invention to propose a kind of extension neutral gear and system is simple Vehicle gear selecting, stopping brake combined control system
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of vehicle gear selecting, stopping brake combined control system include fuel tank, filter, hydraulic pump, safety valve, tractor Parking brake, tractor shut-down hydraulic cylinder, hydraulic control air valve, gas bag, assistor, it is characterized in that: further including gear selecting operation valve, preceding Into shelves clutch, reverse drive gear clutch, shuttle valve, pilot operated valve device, accumulator, trailer parking brake, trailer shut-down hydraulic cylinder, gear selecting Operation valve includes control stick, and the oil inlet of hydraulic pump is connect by filter with fuel tank, and the oil outlet and gear selecting of hydraulic pump operate The oil inlet P mouth of valve connects, gear selecting operation valve execute mouth A mouthful by two oil channels respectively with forward gear clutch and shuttle valve B mouthfuls of mouth of execution of A mouthfuls of connections, gear selecting operation valve are connect with the C of reverse drive gear clutch and shuttle valve mouth respectively by two oily channels, shuttle The B mouth of valve is connect with K mouthfuls of control mouth of pilot operated valve device, and pilot operated valve device oil inlet P mouth is connect with power original part, the execution mouth A of pilot operated valve device Mouth is connect with K mouthfuls of control mouth of tractor shut-down hydraulic cylinder and hydraulic control air valve respectively by two oily channels, tractor shut-down hydraulic Cylinder controls the movement of tractor parking brake;P mouthfuls of air inlet of hydraulic control air valve are connect with gas bag, A mouthfuls of the execution mouth of hydraulic control air valve It is connect with assistor, assistor is connect with trailer shut-down hydraulic cylinder, and trailer shut-down hydraulic cylinder controls trailer parking brake movement; The control stick of gear selecting operation valve is connect by flexible axle with the gear selector for being located at driver's cabin.
Preferable scheme is that being equipped with drainback passage between the oil outlet and fuel tank of hydraulic pump, safety valve is arranged in the oil return In channel.
Preferable scheme is that the power original part is accumulator.
The present invention has following good effect: (1) truck-trailer combination, which just has, when the present invention can make vehicle hang neutral gear stops Vehicle braking, is not susceptible to accident when vehicle being made to be parked in operation on ramp;(2) present invention does not need setting tractor stopping brake Trailer also has stopping brake when valve, Pneumatic valve, relay valve, check valve, the second gas bag can make to realize tractor stopping brake, letter The system of vehicle is changed.
Detailed description of the invention
Fig. 1 is figure hydraulic schematic diagram of the present invention.
Specific embodiment
See that Fig. 1, this vehicle gear selecting, stopping brake combined control system include fuel tank 1, filter 2, hydraulic pump 3, safety valve 4, tractor parking brake 11, tractor shut-down hydraulic cylinder 12, hydraulic control air valve 13, gas bag 14, assistor 15, further include gear selecting Operation valve 5, forward gear clutch 6, reverse drive gear clutch 7, shuttle valve 8, pilot operated valve device 9, accumulator 10, trailer parking brake 16, Trailer shut-down hydraulic cylinder 17.Gear selecting operation valve 5 includes control stick 5-1.
The oil inlet of hydraulic pump 3 is connect by filter 2 with fuel tank 1, oil outlet and the gear selecting operation valve 5 of hydraulic pump 3 The connection of oil inlet P mouth, mouth A mouthfuls of execution of gear selecting operation valve 5 pass through the two oily channels A with forward gear clutch 6 and shuttle valve 8 respectively B mouthfuls of mouth of execution of mouth connection, gear selecting operation valve 5 are connect with the C of reverse drive gear clutch 7 and shuttle valve 8 mouth respectively by two oily channels, The B mouth of shuttle valve 8 is connect with K mouthfuls of control mouth of pilot operated valve device 9, and 9 oil inlet P mouth of pilot operated valve device is connect with accumulator 10, and pilot operated valve device 9 is held A mouthfuls of row mouth are connect with K mouthfuls of control mouth of tractor shut-down hydraulic cylinder 12 and hydraulic control air valve 13 respectively by two oily channels, tractor Shut-down hydraulic cylinder 12 controls tractor parking brake 11 and acts.P mouthfuls of air inlet of hydraulic control air valve 13 are connect with gas bag 14, hydraulic control A mouthfuls of execution mouth of air valve 13 are connect with assistor 15, and assistor 15 is connect with trailer shut-down hydraulic cylinder 17, trailer shut-down hydraulic cylinder 17 control trailer parking brakes 16 act.The control stick 5-1 of gear selecting operation valve 5 is selected by flexible axle with the gear for being located at driver's cabin Device connection is selected, operating gear selector moves up and down control stick 7-1 by flexible axle.
Drainback passage is equipped between the oil outlet and fuel tank 1 of hydraulic pump 3, safety valve 4 is arranged in the drainback passage.
When vehicle need to advance, the gear selector that driver's operation is located at driver's cabin is allowed on drive shift, gear selecting behaviour The P mouth for making valve 5 executes mouthful A mouthfuls with it and communicates, and forward gear clutch 6 is in bonding state, and line shaft is in conjunction with advance shaft, vehicle It can advance.Pressure oil enters K mouthfuls of control mouth of pilot operated valve device 9 by the A mouth of shuttle valve 8 simultaneously, at this moment the oil inlet P of pilot operated valve device 9 Mouth communicates for A mouthfuls with execution, and the pressure oil of accumulator 10 enters tractor shut-down hydraulic cylinder 12 through pilot operated valve device 9, and tractor is pushed to stop Dynamic and static plate separation in vehicle brake 11, tractor Parking braking release.There is pressure oil to enter hydraulic control air valve 13 simultaneously K mouthfuls of control mouth, hydraulic control air valve 13 is pushed to act, the P mouth of hydraulic control air valve 13 is communicated with A mouthfuls, and the gas of gas bag 14 passes through hydraulic control air valve 13 enter assistors 15, and hydraulic oil is pushed to enter trailer shut-down hydraulic cylinder 17, make movable plate in trailer parking brake 16 with it is quiet Piece separation, realizes the Parking braking release of trailer.
When vehicle need to retreat, the gear selector that driver's operation is located at driver's cabin is allowed on reverse drive gear, gear selecting behaviour The P mouth for making valve 5 executes mouthful B mouthfuls with it and communicates, and reverse drive gear clutch 7 is in bonding state, and line shaft is in conjunction with retrogressing axis, vehicle It can retreat.Pressure oil enters K mouthfuls of control mouth of pilot operated valve device 9 by the B mouth of shuttle valve 8 simultaneously, at this moment the oil inlet P of pilot operated valve device 9 Mouth communicates for A mouthfuls with execution, and the pressure oil of accumulator 10 enters tractor shut-down hydraulic cylinder 12 through pilot operated valve device 9, and tractor is pushed to stop Dynamic and static plate separation in vehicle brake 11, tractor Parking braking release.There is pressure oil to enter hydraulic control air valve 13 simultaneously K mouthfuls of control mouth, hydraulic control air valve 13 is pushed to act, the P mouth of hydraulic control air valve 13 is communicated with A mouthfuls, and the gas of gas bag 14 passes through hydraulic control air valve 13 enter assistors 15, and hydraulic oil is pushed to enter trailer shut-down hydraulic cylinder 17, make movable plate in trailer parking brake 16 with it is quiet Piece separation, realizes the Parking braking release of trailer.
When vehicle need to stop operation constantly, the gear selector that driver's operation is located at driver's cabin is allowed on neutral gear, is selected Shelves operation valve 5 P mouth with its execute mouthful A and B mouthfuls it is obstructed, forward gear clutch 6, reverse drive gear clutch 7 are in separation shape State, vehicle cannot advance, retreat.Also enter K mouthfuls of control mouth of pilot operated valve device 9 by the A mouth of shuttle valve 8 or B mouthfuls without pressure oil, this When pilot operated valve device 9 oil inlet P mouth and execute A mouthful it is obstructed, the pressure oil of accumulator 10 cannot enter tractor parking through pilot operated valve device 9 Hydraulic cylinder 12, the dynamic and static plate in parking brake 11 combine under spring force, the stopping brake activation of tractor. Also enter K mouthful of control mouth of hydraulic control air valve 13 without pressure oil simultaneously, the P mouth of hydraulic control air valve 13 and A mouthfuls of obstructed, the gas of gas bag 14 Assistor 15 cannot be entered by hydraulic control air valve 13, no hydraulic oil enters trailer shut-down hydraulic cylinder 17, trailer parking brake Dynamic and static plate in 16 combines under spring force, the stopping brake activation of trailer.

Claims (1)

1. the working method of a kind of vehicle gear selecting, stopping brake combined control system, the vehicle gear selecting, stopping brake joint Control system includes fuel tank (1), filter (2), hydraulic pump (3), safety valve (4), tractor parking brake (11), tractor Shut-down hydraulic cylinder (12), hydraulic control air valve (13), gas bag (14), assistor (15), it is characterized in that: further include gear selecting operation valve (5), Forward gear clutch (6), reverse drive gear clutch (7), shuttle valve (8), pilot operated valve device (9), accumulator (10), trailer parking brake (16), trailer shut-down hydraulic cylinder (17), gear selecting operation valve (5) include control stick (5-1), and the oil inlet of hydraulic pump (3) passed through Filter (2) is connect with fuel tank (1), and the oil outlet of hydraulic pump (3) is connect with the oil inlet P mouth of gear selecting operation valve (5), gear selecting operation A mouthfuls of execution mouth of valve (5) are connect with the A mouth of forward gear clutch (6) and shuttle valve (8) respectively by two oily channels, gear selecting operation B mouthfuls of execution mouth of valve (5) are connect with the C mouth of reverse drive gear clutch (7) and shuttle valve (8) respectively by two oily channels, shuttle valve (8) B mouthfuls connect with K mouthfuls of control mouth of pilot operated valve device (9), and pilot operated valve device (9) oil inlet P mouth is connect with power original part, and pilot operated valve device (9) are held A mouthfuls of row mouth are connect with K mouthfuls of control mouth of tractor shut-down hydraulic cylinder (12) and hydraulic control air valve (13) respectively by two oily channels, are led Draw vehicle shut-down hydraulic cylinder (12) control tractor parking brake (11) movement;P mouthfuls of the air inlet of hydraulic control air valve (13) and gas bag (14) it connects, A mouthfuls of execution mouth of hydraulic control air valve (13) are connect with assistor (15), assistor (15) and trailer shut-down hydraulic cylinder (17) it connects, trailer shut-down hydraulic cylinder (17) controls trailer parking brake (16) movement;The control stick of gear selecting operation valve (5) (5-1) is connect by flexible axle with the gear selector for being located at driver's cabin;
The working method, comprising:
When vehicle need to stop operation, the gear selector that driver's operation is located at driver's cabin is allowed on neutral gear, gear selecting operation P mouth and its of valve (5) execute mouthful A and B mouthfuls it is obstructed, forward gear clutch (6), reverse drive gear clutch (7) are in separation shape State, vehicle cannot advance, retreat;There is no K mouthfuls of control mouth by A mouth of shuttle valve (8) or B mouthfuls into pilot operated valve device (9) of pressure oil, At this moment A mouthfuls of the oil inlet P mouth of pilot operated valve device (9) and execution are obstructed, and the pressure oil of accumulator (10) cannot enter through pilot operated valve device (9) to be led Draw vehicle shut-down hydraulic cylinder (12), the dynamic and static plate in parking brake (11) combines under spring force, and tractor stops Vehicle braking.
CN201711327228.1A 2015-12-30 2015-12-30 Vehicle control system, working method Active CN108068782B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711327228.1A CN108068782B (en) 2015-12-30 2015-12-30 Vehicle control system, working method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711327228.1A CN108068782B (en) 2015-12-30 2015-12-30 Vehicle control system, working method
CN201511009469.2A CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201511009469.2A Division CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system

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CN108068782A CN108068782A (en) 2018-05-25
CN108068782B true CN108068782B (en) 2019-07-16

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CN201711327265.2A Active CN108082160B (en) 2015-12-30 2015-12-30 Vehicle control system and working method thereof
CN201711327305.3A Active CN108082158B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system
CN201711328031.XA Expired - Fee Related CN108068783B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system and working method
CN201711327228.1A Active CN108068782B (en) 2015-12-30 2015-12-30 Vehicle control system, working method
CN201711207761.4A Active CN107914688B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combination control method
CN201511009469.2A Active CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system

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CN201711327265.2A Active CN108082160B (en) 2015-12-30 2015-12-30 Vehicle control system and working method thereof
CN201711327305.3A Active CN108082158B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system
CN201711328031.XA Expired - Fee Related CN108068783B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system and working method

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CN201711207761.4A Active CN107914688B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combination control method
CN201511009469.2A Active CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system

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CN108297851A (en) * 2016-06-13 2018-07-20 朱明德 Vehicle booster brake apparatus
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CN106089453B (en) * 2016-07-29 2019-08-09 湖北正兴设备制造有限公司 The exhaust brake flameout system of vehicle
CN109109842B (en) * 2016-07-29 2020-10-30 南京朗禾智能控制研究院有限公司 Parking brake control system for reducing accidents caused by vehicle parking on slope
CN106194442B (en) * 2016-08-02 2019-05-07 青岛天宇佳铸钢有限公司 A kind of throttle of vehicle, gear, exhaust brake combination control method
CN107143541B (en) * 2017-05-09 2018-06-19 南京阖云骥联信息科技有限公司 The block selecting automatic traveling crane system of vehicle
CN108639033B (en) * 2018-05-28 2024-04-09 徐工集团工程机械股份有限公司科技分公司 Hand brake system and method for loader with trailer
CN108909699B (en) * 2018-08-25 2020-11-10 南京朗禾数据有限公司 Linkage control device for gear and parking brake of vehicle
CN109484381A (en) * 2018-11-04 2019-03-19 刘剑 The gear and brake linkage of vehicle
CN109484382A (en) * 2018-11-05 2019-03-19 刘剑 The stopping brake control device of vehicle
CN112810594B (en) * 2018-12-21 2023-03-14 内蒙古必选机械制造有限公司 Vehicle using vehicle brake device with high safety
IT201900020296A1 (en) * 2019-11-04 2021-05-04 Safim S P A DEVICE FOR CONTROLLING THE BRAKING OF A TRAILER
CN110949363A (en) * 2019-12-24 2020-04-03 刘剑 Clutch control device for forklift
CN111963587B (en) * 2020-09-03 2021-12-07 合肥中辰轻工机械有限公司 Pneumatic control system and method of clutch
CN113386728B (en) * 2021-06-15 2022-04-05 河南科技大学 Soft braking and energy regeneration proportional control system of gearbox

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Also Published As

Publication number Publication date
CN108068782A (en) 2018-05-25
CN108082160A (en) 2018-05-29
CN105501200A (en) 2016-04-20
CN108082160B (en) 2019-12-13
CN108068783A (en) 2018-05-25
CN107914688B (en) 2019-11-26
CN108082158B (en) 2019-12-10
CN107914688A (en) 2018-04-17
CN108082158A (en) 2018-05-29
CN108068783B (en) 2019-12-10
CN105501200B (en) 2018-06-26

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