CN107914688B - A kind of vehicle gear selecting, stopping brake combination control method - Google Patents
A kind of vehicle gear selecting, stopping brake combination control method Download PDFInfo
- Publication number
- CN107914688B CN107914688B CN201711207761.4A CN201711207761A CN107914688B CN 107914688 B CN107914688 B CN 107914688B CN 201711207761 A CN201711207761 A CN 201711207761A CN 107914688 B CN107914688 B CN 107914688B
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- mouth
- valve
- mouthfuls
- trailer
- tractor
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- 238000000034 method Methods 0.000 title claims abstract description 6
- 230000007935 neutral effect Effects 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims description 37
- 230000003068 static effect Effects 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 9
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims 2
- 239000002828 fuel tank Substances 0.000 abstract description 7
- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- 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
- B60T11/10—Transmitting 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
- B60T11/24—Single initiating means operating on more than one circuit, e.g. dual circuits
Landscapes
- 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 block selecting, stopping brake combination control method, its system used, including fuel tank, filter, hydraulic pump, safety valve, block selecting operation valve, forward gear clutch, retreating 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.Block 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
The application is that application No. is a kind of 2015110094692 entitled vehicle gear selectings, stopping brakes to jointly control
The divisional application of system.
Technical field
The present invention relates to technical field of vehicle control, jointly controls more particularly to a kind of vehicle gear selecting, stopping brake and be
System.
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, which jointly control, is
System, including fuel tank shelves, filter shelves, hydraulic pump shelves, safety valve shelves, tractor parking brake shelves, tractor shut-down hydraulic cylinder
Shelves, hydraulic control air valve shelves, gas bag shelves, assistor shelves, further include gear selecting operation valve shelves, forward gear clutch shelves, reverse drive gear clutch
Shelves, shuttle valve shelves, pilot operated valve device shelves, accumulator shelves, trailer parking brake shelves, trailer shut-down hydraulic cylinder shelves, gear selecting operation valve shelves packet
Manipulation span is included, the oil inlet of hydraulic pump shelves is connect by filter shelves with fuel tank shelves, and the oil outlet and gear selecting of hydraulic pump shelves are grasped
Make the oil inlet P mouth connection of valve shelves, A mouthful of execution mouth of gear selecting operation valve shelves by two oil channels respectively with forward gear clutch shelves
And the A mouth connection of shuttle valve shelves, B mouthful of execution mouth of gear selecting operation valve shelves by two oil channels respectively with reverse drive gear clutch shelves and shuttle
The C mouth of valve shelves connects, and the B mouth of shuttle valve shelves is connect with K mouthfuls of control mouth of pilot operated valve device shelves, and pilot operated valve device shelves oil inlet P mouth and power are former
Part connection, pilot operated valve device shelves execute mouth A mouthful by two oil channels respectively with tractor shut-down hydraulic cylinder shelves and hydraulic control air valve shelves
K mouthfuls of control mouth connections, tractor shut-down hydraulic cylinder shelves control the movement of tractor parking brake shelves；The air inlet of hydraulic control air valve shelves
P mouthfuls connect with gas bag shelves, and A mouthfuls of execution mouth of hydraulic control air valve shelves are connect with assistor shelves, assistor shelves and trailer shut-down hydraulic cylinder
Shelves connection, trailer shut-down hydraulic cylinder shelves control the movement of trailer parking brake shelves；The manipulation span of gear selecting operation valve shelves passes through soft
Axis is connect with the gear selector for being located at driver's cabin.
Drainback passage is equipped between the oil outlet and fuel tank shelves of hydraulic pump shelves, safety valve shelves are arranged in the drainback passage.
The power original part is accumulator shelves.The present invention has following good effect: (1) present invention can make vehicle hang neutral gear
When truck-trailer combination just there is stopping brake, accident is not susceptible to when vehicle being made to be parked in operation on ramp；(2) present invention is not required to
Tractor stopping brake valve, Pneumatic valve, relay valve, check valve, the second gas bag, which is arranged, can make to realize tractor stopping brake
When trailer also have stopping brake, the system for simplifying vehicle.
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, the at this moment oil inlet of pilot operated valve device 9 by the A mouth of shuttle valve 8 simultaneously
Mouthfuls P mouthful with execute A mouthfuls and communicate, the pressure oil of accumulator 10 is through the entrance tractor shut-down hydraulic cylinder 12 of pilot operated valve device 9, promotion tractor
Dynamic and static plate separation in parking brake 11, tractor Parking braking release.There is pressure oil to enter hydraulic control air valve 13 simultaneously
K mouthfuls of control mouth, push hydraulic control air valve 13 to act, P mouth of hydraulic control air valve 13 and A mouthfuls communicate, and the gas of gas bag 14 passes through hydraulic control gas
Valve 13 enters assistor 15, and hydraulic oil is pushed to enter trailer shut-down hydraulic cylinder 17, make movable plate in trailer parking brake 16 with
Stationary plate 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, the at this moment oil inlet of pilot operated valve device 9 by the B mouth of shuttle valve 8 simultaneously
Mouthfuls P mouthful with execute A mouthfuls and communicate, the pressure oil of accumulator 10 is through the entrance tractor shut-down hydraulic cylinder 12 of pilot operated valve device 9, promotion tractor
Dynamic and static plate separation in parking brake 11, tractor Parking braking release.There is pressure oil to enter hydraulic control air valve 13 simultaneously
K mouthfuls of control mouth, push hydraulic control air valve 13 to act, P mouth of hydraulic control air valve 13 and A mouthfuls communicate, and the gas of gas bag 14 passes through hydraulic control gas
Valve 13 enters assistor 15, and hydraulic oil is pushed to enter trailer shut-down hydraulic cylinder 17, make movable plate in trailer parking brake 16 with
Stationary plate 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
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,
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 tractor through pilot operated valve device 9
Shut-down hydraulic cylinder 12, the dynamic and static plate in parking brake 11 combine under spring force, and tractor has parking system
It is dynamic.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, gas bags 14
Gas cannot enter assistor 15 by hydraulic control air valve 13, no hydraulic oil enter trailer shut-down hydraulic cylinder 17, trailer parking system
Dynamic and static plate in dynamic device 16 combines under spring force, and trailer also has stopping brake.
Claims (1)
1. a kind of vehicle gear selecting, stopping brake combination control method, method includes the following steps: being driven when vehicle need to advance
The gear selector that the person's of sailing operation is located at driver's cabin is allowed on drive shift, and P mouth and its of gear selecting operation valve (5) execute a mouthful A
Mouth communicates, and forward gear clutch (6) is in bonding state, and in conjunction with advance shaft, vehicle can advance line shaft;Pressure oil simultaneously
Enter K mouthfuls of control mouth of pilot operated valve device (9) by the A mouth of shuttle valve (8), at this moment A mouthfuls of the oil inlet P mouth of pilot operated valve device (9) and execution
It communicates, the pressure oil of accumulator 10 enters tractor shut-down hydraulic cylinder (12) through pilot operated valve device (9), pushes tractor parking brake
(11) the dynamic and static plate separation in, tractor Parking braking release；The control for thering is pressure oil to enter hydraulic control air valve (13) simultaneously
K mouthfuls of mouth pushes hydraulic control air valve (13) movement, and the P mouth of hydraulic control air valve (13) and A mouthfuls communicate, and the gas of gas bag 14 passes through hydraulic control air valve
(13) enter assistor (15), push hydraulic oil to enter trailer shut-down hydraulic cylinder (17), make in trailer parking brake (16)
Dynamic and static plate 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 operation valve
(5) P mouth 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；Simultaneously pressure oil by B mouth of shuttle valve (8) into K mouthfuls of control mouth of pilot operated valve device (9), at this moment pilot operated valve device (9)
Oil inlet P 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), pushes away
Dynamic and static plate separation in dynamic tractor parking brake (11), tractor Parking braking release；There is pressure oil entrance simultaneously
K mouthfuls of the control mouth of hydraulic control air valve (13) pushes hydraulic control air valve (13) movement, and the P mouth of hydraulic control air valve (13) and A mouthfuls communicate, gas bag
14 gas enters assistor (15) by hydraulic control air valve (13), pushes hydraulic oil to enter trailer shut-down hydraulic cylinder (17), makes trailer
Dynamic and static plate separation in parking brake (16), 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, and P mouth and its of gear selecting operation valve (5) execute a mouthful A
And B mouthfuls obstructed, forward gear clutch (6), reverse drive gear clutch 7 are in discrete state, and 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, the at this moment oil inlet of pilot operated valve device (9)
P mouthfuls of mouth obstructed with A mouthfuls of execution, and the pressure oil of accumulator 10 cannot enter tractor shut-down hydraulic cylinder (12) through pilot operated valve device (9), stop
Dynamic and static plate in vehicle brake (11) combines under spring force, the stopping brake activation of tractor；Do not have simultaneously yet
There is pressure oil to enter K mouthfuls of control mouth of hydraulic control air valve (13), the P mouth of hydraulic control air valve (13) and A mouthfuls it is obstructed, the gas of gas bag 14 is not
Assistor (15) can be entered by hydraulic control air valve (13), no hydraulic oil enters trailer shut-down hydraulic cylinder (17), trailer parking system
Dynamic and static plate in dynamic device (16) combines under spring force, the stopping brake activation of trailer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207761.4A CN107914688B (en) | 2015-12-30 | 2015-12-30 | A kind of vehicle gear selecting, stopping brake combination control method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207761.4A CN107914688B (en) | 2015-12-30 | 2015-12-30 | A kind of vehicle gear selecting, stopping brake combination control 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107914688A CN107914688A (en) | 2018-04-17 |
| CN107914688B true CN107914688B (en) | 2019-11-26 |
Family
ID=55709633
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| CN201711207761.4A Active CN107914688B (en) | 2015-12-30 | 2015-12-30 | A kind of vehicle gear selecting, stopping brake combination control method |
| CN201711327265.2A Active CN108082160B (en) | 2015-12-30 | 2015-12-30 | Vehicle control system and working method thereof |
| CN201711327228.1A Active CN108068782B (en) | 2015-12-30 | 2015-12-30 | Vehicle control system, working method |
| 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 |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711327265.2A Active CN108082160B (en) | 2015-12-30 | 2015-12-30 | Vehicle control system and working method thereof |
| CN201711327228.1A Active CN108068782B (en) | 2015-12-30 | 2015-12-30 | Vehicle control system, working method |
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (6) | CN105501200B (en) |
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| DE102015115851A1 (en) * | 2015-09-21 | 2017-03-23 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Method for operating a team |
| CN106051145B (en) * | 2016-05-31 | 2018-06-29 | 辛秋萍 | Opening door of vehicle forbids running gear |
| CN108437962A (en) * | 2016-06-13 | 2018-08-24 | 常州爱上学教育科技有限公司 | After engine misses can power brake vehicle booster brake apparatus braking method |
| CN108297851A (en) * | 2016-06-13 | 2018-07-20 | 朱明德 | Vehicle booster brake apparatus |
| 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 |
| 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 |
| 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 |
| CN108591146B (en) * | 2017-05-09 | 2019-12-13 | 南京白下高新技术产业园区投资发展有限责任公司 | vehicle gear-selecting automatic driving system convenient to operate and working method |
| 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 |
| CN112124281A (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 and working method thereof |
| 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 |
| CN109532803B (en) * | 2018-12-21 | 2021-09-21 | 常州爱上学教育科技有限公司 | Vehicle brake device |
| 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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| 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 |
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| 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 |
| 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 |
| 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 |
-
2015
- 2015-12-30 CN CN201511009469.2A patent/CN105501200B/en active Active
- 2015-12-30 CN CN201711327305.3A patent/CN108082158B/en active Active
- 2015-12-30 CN CN201711207761.4A patent/CN107914688B/en active Active
- 2015-12-30 CN CN201711327265.2A patent/CN108082160B/en active Active
- 2015-12-30 CN CN201711327228.1A patent/CN108068782B/en active Active
- 2015-12-30 CN CN201711328031.XA patent/CN108068783B/en not_active Expired - Fee Related
Patent Citations (5)
| 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 |
| CN108068782B (en) | 2019-07-16 |
| CN108082160A (en) | 2018-05-29 |
| CN108082158A (en) | 2018-05-29 |
| CN108082158B (en) | 2019-12-10 |
| CN108082160B (en) | 2019-12-13 |
| CN108068782A (en) | 2018-05-25 |
| CN105501200A (en) | 2016-04-20 |
| CN105501200B (en) | 2018-06-26 |
| CN108068783B (en) | 2019-12-10 |
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