CN108082158A - Vehicle block selecting, stopping brake combined control system - Google Patents

Vehicle block selecting, stopping brake combined control system Download PDF

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Publication number
CN108082158A
CN108082158A CN201711327305.3A CN201711327305A CN108082158A CN 108082158 A CN108082158 A CN 108082158A CN 201711327305 A CN201711327305 A CN 201711327305A CN 108082158 A CN108082158 A CN 108082158A
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China
Prior art keywords
valve
mouthfuls
trailer
vehicle
tractor
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Granted
Application number
CN201711327305.3A
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Chinese (zh)
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CN108082158B (en
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不公告发明人
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Zhou Jie
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吴杰
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Classifications

    • 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

Abstract

The present invention provides a kind of vehicle block selecting, stopping brake combined control system, 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) present invention can make truck-trailer combination during vehicle extension neutral gear just have stopping brake, and vehicle is made to be not susceptible to accident when being parked in operation on ramp;(2) present invention need not set tractor stopping brake valve, Pneumatic valve, relay valve, check valve, the second gas bag that trailer during realization tractor stopping brake can be made also to have stopping brake, the system for simplifying vehicle.

Description

Vehicle block selecting, stopping brake combined control system
Technical field
The present invention relates to technical field of vehicle control, jointly control more particularly to a kind of vehicle block selecting, stopping brake and be System.
Background technology
Towed vehicle includes tractor and trailer, 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 putting into practice 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 larger ramp of the gradient , it is necessary to which truck-trailer combination is respectively provided with stopping brake during upper operation, it just can guarantee that vehicle does not glide on ramp.China authorizes public Announcement number discloses a kind of parking brake system of underground mine use towed vehicle for CN203819220U utility model patent specifications, Solve the problems, such as that trailer also has braking during tractor stopping brake, but this system need to set tractor stopping brake valve, gas Valve 10, relay valve 11, check valve 12, the second gas bag 13 are controlled, usually vehicle also needs to set gear selecting operation valve, therefore system is more It is complicated.In addition it can not realize when vehicle hangs over neutral gear that just there is stopping brake, therefore have security risk.
The content of the invention
It is an object of the invention to propose it is a kind of hang neutral gear when truck-trailer combination have stopping brake and simple system 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 include gear selecting operation valve, drive shift 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 connected by filter with fuel tank, oil outlet and the gear selecting operation valve of hydraulic pump Oil inlet P mouth connects, gear selecting operation valve perform A mouthful of mouth by two oil passages respectively with the A of forward gear clutch and shuttle valve mouths Connection, B mouthfuls of the execution mouth of gear selecting operation valve are connected by two oily passages with the C of reverse drive gear clutch and shuttle valve mouths respectively, shuttle valve B mouths be connected with K mouthfuls of the control mouth of pilot operated valve device, pilot operated valve device oil inlet P mouth is connected with power original paper, A mouthfuls of the execution mouth of pilot operated valve device It is connected by control mouth K mouthful of the two oily passages respectively with tractor shut-down hydraulic cylinder and hydraulic control air valve, tractor shut-down hydraulic cylinder Control the action of tractor parking brake;P mouthfuls of the air inlet of hydraulic control air valve is connected with gas bag, A mouthfuls of the execution mouth of hydraulic control air valve with Assistor connects, and assistor is connected with trailer shut-down hydraulic cylinder, the control trailer parking brake action of trailer shut-down hydraulic cylinder;Choosing The control stick of shelves operation valve is connected by flexible axle with the gear selector positioned at driver's cabin.
Preferred scheme is that drainback passage is equipped between the oil outlet and fuel tank of hydraulic pump, and safety valve is arranged on the oil return In passage.
Preferred scheme is that the power original paper is accumulator.
The present invention has following good effect:(1)The present invention can make vehicle hang neutral gear when truck-trailer combination just have stop Vehicle is braked, and vehicle is made to be not susceptible to accident when being parked in operation on ramp;(2)The present invention need not set tractor stopping brake Valve, Pneumatic valve, relay valve, check valve, the second gas bag can make trailer during realization tractor stopping brake also have stopping brake, letter The system of vehicle is changed.
Description of the drawings
Fig. 1 is figure hydraulic schematic diagram of the present invention.
Specific embodiment
See Fig. 1, this vehicle gear selecting, stopping brake combined control system include fuel tank 1, filter 2, hydraulic pump 3, safety valve 4th, 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 connected by filter 2 with fuel tank 1, oil outlet and the gear selecting operation valve 5 of hydraulic pump 3 Oil inlet P mouth connects, gear selecting operation valve 5 perform A mouthful of mouth by two oil passages respectively with forward gear clutch 6 and the A of shuttle valve 8 Mouth connection, B mouthfuls of the execution mouth of gear selecting operation valve 5 are connected by two oily passages with the C of reverse drive gear clutch 7 and shuttle valve 8 mouths respectively, The B mouths of shuttle valve 8 are connected with K mouthfuls of the control mouth of pilot operated valve device 9, and 9 oil inlet P mouth of pilot operated valve device is connected with accumulator 10, and pilot operated valve device 9 is held A mouthfuls of row mouth is connected by K mouthfuls of control mouth of the two oily passages respectively with tractor shut-down hydraulic cylinder 12 and hydraulic control air valve 13, tractor Shut-down hydraulic cylinder 12 controls tractor parking brake 11 to act.P mouthfuls of the air inlet of hydraulic control air valve 13 is connected with gas bag 14, hydraulic control A mouthfuls of the execution mouth of air valve 13 is connected with assistor 15, and assistor 15 is connected 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 and the gear positioned at driver's cabin Device connection is selected, operation gear selector moves up and down control stick 7-1 by flexible axle.
Drainback passage is equipped between the oil outlet of hydraulic pump 3 and fuel tank 1, safety valve 4 is arranged in the drainback passage.
When vehicle need to advance, driver's operation is allowed to positioned at the gear selector of driver's cabin on drive shift, gear selecting behaviour The P mouths for making valve 5 perform mouthful A mouthfuls with it and communicate, and forward gear clutch 6 is in bonding state, and line shaft is combined with advance shaft, vehicle It can advance.Pressure oil enters K mouthfuls of the control mouth of pilot operated valve device 9 by the A mouths of shuttle valve 8 simultaneously, at this moment the oil inlet P of pilot operated valve device 9 Mouth is communicated with performing A mouthfuls, and the pressure oil of accumulator 10, into tractor shut-down hydraulic cylinder 12, promotes tractor to stop through pilot operated valve device 9 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 promotes hydraulic control air valve 13 to act, and the P mouths of hydraulic control air valve 13 are 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 promoted to enter trailer shut-down hydraulic cylinder 17, make movable plate in trailer parking brake 16 with it is quiet Piece separates, and realizes the Parking braking release of trailer.
When vehicle need to retreat, driver's operation is allowed to positioned at the gear selector of driver's cabin on reverse drive gear, gear selecting behaviour The P mouths for making valve 5 perform mouthful B mouthfuls with it and communicate, and reverse drive gear clutch 7 is in bonding state, and line shaft is combined with retreating axis, vehicle It can retreat.Pressure oil enters K mouthfuls of the control mouth of pilot operated valve device 9 by the B mouths of shuttle valve 8 simultaneously, at this moment the oil inlet P of pilot operated valve device 9 Mouth is communicated with performing A mouthfuls, and the pressure oil of accumulator 10, into tractor shut-down hydraulic cylinder 12, promotes tractor to stop through pilot operated valve device 9 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 promotes hydraulic control air valve 13 to act, and the P mouths of hydraulic control air valve 13 are 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 promoted to enter trailer shut-down hydraulic cylinder 17, make movable plate in trailer parking brake 16 with it is quiet Piece separates, and realizes the Parking braking release of trailer.
When vehicle need to stop operation constantly, driver's operation is allowed to positioned at the gear selector of driver's cabin on neutral gear, is selected Shelves operation valve 5 P mouths with its perform mouthful A and B mouthfuls it is obstructed, forward gear clutch 6, reverse drive gear clutch 7 be in separate shape State, vehicle cannot advance, retreat.Also K mouthfuls of the control mouths of pilot operated valve device 9 are entered by the A mouths of shuttle valve 8 or B mouthfuls without pressure oil, this When pilot operated valve device 9 oil inlet P mouth and perform A mouthful it is obstructed, the pressure oil of accumulator 10 cannot be through pilot operated valve device 9 into tractor parking Hydraulic cylinder 12, the dynamic and static plate in parking brake 11 combine under spring force, and tractor has stopping brake.Together When also no pressure oil enter K mouthfuls of the control mouth of hydraulic control air valve 13, the P mouths of hydraulic control air valve 13 and A mouthfuls it is obstructed, the gas of gas bag 14 is not Can assistor 15 be entered by hydraulic control air valve 13, no hydraulic oil enters trailer shut-down hydraulic cylinder 17, trailer parking brake 16 Interior dynamic and static plate combines under spring force, and trailer also has stopping brake.

Claims (1)

1. the method for work 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)Including control stick(5-1), hydraulic pump(3)Oil inlet passed through Filter(2)With fuel tank(1)Connection, hydraulic pump(3)Oil outlet and gear selecting operation valve(5)Oil inlet P mouth connection, gear selecting operation Valve(5)A mouthfuls of execution mouth by two oily passages respectively with forward gear clutch(6)And shuttle valve(8)A mouths connection, gear selecting operation Valve(5)B mouthfuls of execution mouth by two oily passages respectively with reverse drive gear clutch(7)And shuttle valve(8)C mouths connection, shuttle valve(8)'s B mouthfuls and pilot operated valve device(9)The connection of K mouthfuls of control mouth, pilot operated valve device(9)Oil inlet P mouth is connected with power original paper, pilot operated valve device(9)Hold A mouthfuls of row mouth by two oily passages respectively with tractor shut-down hydraulic cylinder(12)And hydraulic control air valve(13)The connection of K mouthfuls of control mouth, lead Draw vehicle shut-down hydraulic cylinder(12)Control tractor parking brake(11)Action;Hydraulic control air valve(13)P mouthfuls of air inlet and gas bag (14)Connection, hydraulic control air valve(13)A mouthfuls of execution mouth and assistor(15)Connection, assistor(15)With trailer shut-down hydraulic cylinder (17)Connection, trailer shut-down hydraulic cylinder(17)Control trailer parking brake(16)Action;Gear selecting operation valve(5)Control stick (5-1)It is connected by flexible axle with the gear selector positioned at driver's cabin;
The method of work, including:When vehicle need to advance, driver's operation is allowed to positioned at the gear selector of driver's cabin On drive shift, P mouths and its of gear selecting operation valve perform mouthful A mouthfuls and communicate, and forward gear clutch is in bonding state, and line shaft is with before It is combined into axis, vehicle advances.
CN201711327305.3A 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system Active CN108082158B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711327305.3A CN108082158B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711327305.3A CN108082158B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system
CN201511009469.2A CN105501200B (en) 2015-12-30 2015-12-30 A kind of vehicle gear selecting, stopping brake combined control system

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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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CN108082158A true CN108082158A (en) 2018-05-29
CN108082158B CN108082158B (en) 2019-12-10

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Application Number Title Priority Date Filing Date
CN201711328031.XA Active CN108068783B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system and 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
CN201711327305.3A Active CN108082158B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system
CN201711327228.1A Active CN108068782B (en) 2015-12-30 2015-12-30 Vehicle control system, working method
CN201711327265.2A Active CN108082160B (en) 2015-12-30 2015-12-30 Vehicle control system and working method thereof

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CN201711328031.XA Active CN108068783B (en) 2015-12-30 2015-12-30 Vehicle gear selection and parking brake combined control system and 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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CN201711327228.1A Active CN108068782B (en) 2015-12-30 2015-12-30 Vehicle control system, working method
CN201711327265.2A Active CN108082160B (en) 2015-12-30 2015-12-30 Vehicle control system and working method thereof

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DE102015115851A1 (en) * 2015-09-21 2017-03-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Method for operating a team
CN108361371B (en) * 2016-05-31 2019-07-12 温州文宏科技有限公司 Running gear and its working method are forbidden using the opening door of vehicle of master controller
CN106004841B (en) * 2016-06-13 2018-06-29 陈雅婷 A kind of braking method of vehicle booster brake apparatus
CN105946831B (en) * 2016-06-13 2018-06-29 青岛华瑞丰机械有限公司 Vehicle booster brake apparatus
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CN109109839B (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 of vehicle for reducing abrasion of brake disc
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
CN108757604B (en) * 2017-05-09 2019-11-12 常州爱上学教育科技有限公司 The vehicle block selecting automatic traveling crane system and working method of main controller controls
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
CN112124282A (en) * 2018-08-25 2020-12-25 常州爱上学教育科技有限公司 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
CN112810593B (en) * 2018-12-21 2023-10-17 常州爱上学教育科技有限公司 Vehicle braking device and working method thereof
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697853A (en) * 1985-02-23 1987-10-06 Daimler-Benz Aktiengesellschaft Pressure-medium braking system for vehicles
KR20050049619A (en) * 2003-11-22 2005-05-27 현대자동차주식회사 Integrated air supply apparatus in commercial vehicle
CN102139691A (en) * 2011-03-01 2011-08-03 湖南南车时代电动汽车股份有限公司 Parking linkage method and device based on AMT (Automatic Mechanical Transmission)
CN103879429A (en) * 2014-03-28 2014-06-25 常州科研试制中心有限公司 Automobile parking braking and gear combination control system
CN103895630A (en) * 2014-03-28 2014-07-02 常州科研试制中心有限公司 Cage truck for underground coal mine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3410270C2 (en) * 1984-03-21 1996-01-25 Rolf Teibtner Braking device for trailers of towing vehicles
CN203819219U (en) * 2014-03-28 2014-09-10 常州科研试制中心有限公司 Cage car for underground coal mine
CN103879394B (en) * 2014-03-28 2016-04-20 常州科研试制中心有限公司 The parking brake system of underground mine use towed vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4697853A (en) * 1985-02-23 1987-10-06 Daimler-Benz Aktiengesellschaft Pressure-medium braking system for vehicles
KR20050049619A (en) * 2003-11-22 2005-05-27 현대자동차주식회사 Integrated air supply apparatus in commercial vehicle
CN102139691A (en) * 2011-03-01 2011-08-03 湖南南车时代电动汽车股份有限公司 Parking linkage method and device based on AMT (Automatic Mechanical Transmission)
CN103879429A (en) * 2014-03-28 2014-06-25 常州科研试制中心有限公司 Automobile parking braking and gear combination control system
CN103895630A (en) * 2014-03-28 2014-07-02 常州科研试制中心有限公司 Cage truck for underground coal mine

Also Published As

Publication number Publication date
CN108068783A (en) 2018-05-25
CN107914688A (en) 2018-04-17
CN108068783B (en) 2019-12-10
CN105501200B (en) 2018-06-26
CN105501200A (en) 2016-04-20
CN108068782A (en) 2018-05-25
CN108068782B (en) 2019-07-16
CN107914688B (en) 2019-11-26
CN108082160B (en) 2019-12-13
CN108082158B (en) 2019-12-10
CN108082160A (en) 2018-05-29

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