CN108082158B - Vehicle gear selection and parking brake combined control system - Google Patents
Vehicle gear selection and parking brake combined control system Download PDFInfo
- Publication number
- CN108082158B CN108082158B CN201711327305.3A CN201711327305A CN108082158B CN 108082158 B CN108082158 B CN 108082158B CN 201711327305 A CN201711327305 A CN 201711327305A CN 108082158 B CN108082158 B CN 108082158B
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- Prior art keywords
- valve
- port
- gear
- parking brake
- hydraulic
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- 230000005540 biological transmission Effects 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 37
- 230000003068 static effect Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 1
- 230000008092 positive effect 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 invention provides a vehicle gear selection and parking brake combined control system which comprises an oil tank, a filter, a hydraulic pump, a safety valve, a gear selection operating valve, a forward gear clutch, a backward gear clutch, a shuttle valve, a hydraulic control valve, an energy accumulator, a tractor parking brake, a tractor parking hydraulic cylinder, a hydraulic control air valve, an air bag, an assistor, a trailer parking brake and a trailer parking hydraulic cylinder. The gear selecting operation valve comprises a control lever. (1) The invention can make the tractor and trailer have parking brake when the vehicle is in neutral position, so that the vehicle is not easy to have accidents when the vehicle is parked on the slope for operation; (2) the invention can realize the parking brake of the trailer when the tractor is parked and braked without arranging the parking brake valve, the pneumatic control valve, the relay valve, the one-way valve and the second air bag of the tractor, thereby simplifying the system of the vehicle.
Description
The application is a divisional application, and the application number 201511009469.2 of the original application is invented and named as: a vehicle gear selection and parking brake combined control system is disclosed, which is applied for the day: 2015-12-30.
Technical Field
The invention relates to the technical field of vehicle control, in particular to a vehicle gear selection and parking brake combined control system.
Background
The trailer comprises a tractor and a trailer, and some trailers need to work when parking, at the moment, the vehicle is required to be put into a neutral position, and the tractor parking brake valve is operated to carry out parking braking, in practice, parking operation is often carried out without operating the tractor parking brake valve to carry out parking braking, and at the moment, the vehicle is easy to cause accidents on a slope. In addition, when the vehicle works on a slope with a large gradient, the tractor and the trailer are required to be provided with parking brakes, so that the vehicle cannot slide down on the slope. Chinese grant publication No. CN203819220U utility model patent specification discloses a colliery is parking brake system with trailer in pit, has solved the problem that the trailer also has the braking when the tractor parks the braking, but this kind of system need set up tractor parking brake valve, gas accuse valve 10, relay valve 11, check valve 12, second gas bag 13, and generally the vehicle still need set up the select shelves operating valve, and therefore the system is comparatively complicated. In addition, the vehicle can not be braked when being parked in a neutral position, so that the potential safety hazard exists.
Disclosure of Invention
The invention aims to provide a vehicle gear selection and parking brake combined control system which has simple system and is provided with parking brakes on a tractor and a trailer when neutral is engaged.
In order to achieve the purpose, the invention adopts the following technical scheme:
The utility model provides a vehicle gear selection, parking braking combined control system includes oil tank, filter, hydraulic pump, relief valve, tractor parking brake, tractor parking pneumatic cylinder, liquid accuse pneumatic valve, gas bag, booster, characterized by: also comprises a gear selecting operation valve, a forward gear clutch, a reverse gear clutch and a shuttle valve, the hydraulic control valve, the energy accumulator, the trailer parking brake and the trailer parking hydraulic cylinder, the gear selecting operation valve comprises an operating lever, an oil inlet of the hydraulic pump is connected with an oil tank through a filter, an oil outlet of the hydraulic pump is connected with an oil inlet P port of the gear selecting operation valve, an execution port A port of the gear selecting operation valve is respectively connected with an A port of a forward gear clutch and an A port of a shuttle valve through two oil channels, an execution port B port of the gear selecting operation valve is respectively connected with a C port of a backward gear clutch and a C port of the shuttle valve through two oil channels, a B port of the shuttle valve is connected with a control port K port of the hydraulic control valve, the oil inlet P port of the hydraulic control valve is connected with a power element, the execution port A port of the hydraulic control valve is respectively connected with a control port K port of the tractor parking hydraulic cylinder and the hydraulic; an air inlet port P of the hydraulic control air valve is connected with the air bag, an execution port A of the hydraulic control air valve is connected with a booster, the booster is connected with a trailer parking hydraulic cylinder, and the trailer parking hydraulic cylinder controls a trailer parking brake to act; the operating rod of the gear selecting operating valve is connected with a gear selector in a cab through a flexible shaft.
Preferably, an oil return passage is arranged between an oil outlet of the hydraulic pump and the oil tank, and the safety valve is arranged in the oil return passage.
Preferably, the power element is an accumulator.
The invention has the following positive effects: (1) the invention can make the tractor and trailer have parking brake when the vehicle is in neutral position, so that the vehicle is not easy to have accidents when the vehicle is parked on the slope for operation; (2) the invention can realize the parking brake of the trailer when the tractor is parked and braked without arranging the parking brake valve, the pneumatic control valve, the relay valve, the one-way valve and the second air bag of the tractor, thereby simplifying the system of the vehicle.
Drawings
FIG. 1 is a hydraulic schematic of the present invention.
Detailed Description
Referring to fig. 1, the vehicle gear selection and parking brake combined control system comprises an oil tank 1, a filter 2, a hydraulic pump 3, a safety valve 4, a tractor parking brake 11, a tractor parking hydraulic cylinder 12, a hydraulic control air valve 13, an air bag 14, an assistor 15, a gear selection operation valve 5, a forward gear clutch 6, a reverse gear clutch 7, a shuttle valve 8, a hydraulic control valve 9, an energy accumulator 10, a trailer parking brake 16 and a trailer parking hydraulic cylinder 17. The select operation valve 5 includes an operating lever 5-1.
An oil inlet of a hydraulic pump 3 is connected with an oil tank 1 through a filter 2, an oil outlet of the hydraulic pump 3 is connected with an oil inlet P port of a gear selecting operation valve 5, an execution port A port of the gear selecting operation valve 5 is respectively connected with an advancing gear clutch 6 and an A port of a shuttle valve 8 through two oil channels, an execution port B port of the gear selecting operation valve 5 is respectively connected with a backing gear clutch 7 and a C port of the shuttle valve 8 through two oil channels, a port B of the shuttle valve 8 is connected with a control port K port of a hydraulic control valve 9, an oil inlet P port of the hydraulic control valve 9 is connected with an energy accumulator 10, an execution port A port of the hydraulic control valve 9 is respectively connected with a parking hydraulic cylinder 12 and a control port K port of a hydraulic control air valve 13 through two oil channels, and the parking hydraulic cylinder 12 controls a parking brake 11 of a tractor. An air inlet port P of the hydraulic control air valve 13 is connected with the air bag 14, an execution port A of the hydraulic control air valve 13 is connected with the booster 15, the booster 15 is connected with the trailer parking hydraulic cylinder 17, and the trailer parking hydraulic cylinder 17 controls the action of the trailer parking brake 16. The operating lever 5-1 of the gear selecting operating valve 5 is connected with a gear selector in a cab through a flexible shaft, and the operating gear selector enables the operating lever 7-1 to move up and down through the flexible shaft.
An oil return channel is arranged between the oil outlet of the hydraulic pump 3 and the oil tank 1, and a safety valve 4 is arranged in the oil return channel.
When the vehicle needs to go forward, the driver operates the gear selector in the cab to make it in the forward gear, the port P of the gear selecting operation valve 5 is communicated with the port A of the execution port, the forward gear clutch 6 is in the combination state, the power shaft is combined with the forward shaft, and the vehicle can go forward. Meanwhile, pressure oil enters a control port K of the hydraulic control valve 9 through a port A of the shuttle valve 8, an oil inlet P of the hydraulic control valve 9 is communicated with an execution port A, the pressure oil of the energy accumulator 10 enters a tractor parking hydraulic cylinder 12 through the hydraulic control valve 9 to push a moving plate and a static plate in a tractor parking brake 11 to be separated, and the tractor parking brake is released. Meanwhile, pressure oil enters a control port K of the hydraulic control air valve 13 to push the hydraulic control air valve 13 to act, a port P of the hydraulic control air valve 13 is communicated with a port A, air in the air bag 14 enters the booster 15 through the hydraulic control air valve 13 to push hydraulic oil to enter the trailer parking hydraulic cylinder 17, so that a moving plate and a static plate in the trailer parking brake 16 are separated, and the parking brake of the trailer is released.
When the vehicle needs to move backwards, the driver operates the gear selector in the cab to make the gear selector in the reverse gear, the port P of the gear selecting operation valve 5 is communicated with the port B of the execution port, the reverse gear clutch 7 is in a combined state, the power shaft is combined with the reverse shaft, and the vehicle can move backwards. Meanwhile, pressure oil enters a control port K of the hydraulic control valve 9 through a port B of the shuttle valve 8, an oil inlet P of the hydraulic control valve 9 is communicated with an execution port A, the pressure oil of the energy accumulator 10 enters a tractor parking hydraulic cylinder 12 through the hydraulic control valve 9 to push a moving plate and a static plate in a tractor parking brake 11 to be separated, and the tractor parking brake is released. Meanwhile, pressure oil enters a control port K of the hydraulic control air valve 13 to push the hydraulic control air valve 13 to act, a port P of the hydraulic control air valve 13 is communicated with a port A, air in the air bag 14 enters the booster 15 through the hydraulic control air valve 13 to push hydraulic oil to enter the trailer parking hydraulic cylinder 17, so that a moving plate and a static plate in the trailer parking brake 16 are separated, and the parking brake of the trailer is released.
when the vehicle needs to be parked, the driver operates the gear selector in the cab to be in a neutral position, the port P of the gear selection operation valve 5 is not communicated with the ports a and B, the forward clutch 6 and the reverse clutch 7 are both in a separated state, and the vehicle cannot move forward or backward. Pressure oil does not enter a control port K of the hydraulic control valve 9 through a port A or a port B of the shuttle valve 8, at the moment, an oil inlet P of the hydraulic control valve 9 is not communicated with an execution port A, the pressure oil of the energy accumulator 10 cannot enter a parking hydraulic cylinder 12 of the tractor through the hydraulic control valve 9, a moving plate and a static plate in the parking brake 11 are combined under the action of spring force, and the parking brake of the tractor is activated. Meanwhile, no pressure oil enters the control port K of the hydraulic control air valve 13, the port P and the port A of the hydraulic control air valve 13 are not communicated, air in the air bag 14 cannot enter the booster 15 through the hydraulic control air valve 13, no hydraulic oil enters the trailer parking hydraulic cylinder 17, the moving plate and the static plate in the trailer parking brake 16 are combined under the action of the spring force, and the trailer parking brake is also activated.
Claims (1)
1. The working method of the vehicle gear selection and parking brake combined control system comprises an oil tank (1), a filter (2), a hydraulic pump (3), a safety valve (4), a tractor parking brake (11), a tractor parking hydraulic cylinder (12), a hydraulic control air valve (13), an air bag (14) and an assistor (15), and is characterized in that: the automatic transmission system also comprises a gear selecting operation valve (5), a forward gear clutch (6), a backward gear clutch (7), a shuttle valve (8), a hydraulic control valve (9), an energy accumulator (10), a trailer parking brake (16) and a trailer parking hydraulic cylinder (17), wherein the gear selecting operation valve (5) comprises an operating lever (5-1), an oil inlet of a hydraulic pump (3) is connected with an oil tank (1) through a filter (2), an oil outlet of the hydraulic pump (3) is connected with an oil inlet P port of the gear selecting operation valve (5), an execution port A of the gear selecting operation valve (5) is respectively connected with an A port of the forward gear clutch (6) and an A port of the shuttle valve (8) through two oil channels, an execution port B of the gear selecting operation valve (5) is respectively connected with a C port of the backward gear clutch (7) and the shuttle valve (8) through two oil channels, a port B of the shuttle valve (8) is connected with a control port K port of the shuttle valve (9), an oil inlet P port of the hydraulic control valve (9) is connected with a power element, an execution port A port of the hydraulic control valve (9) is respectively connected with a tractor parking hydraulic cylinder (12) and a control port K port of a hydraulic control air valve (13) through two oil channels, and the tractor parking hydraulic cylinder (12) controls a tractor parking brake (11) to act; an air inlet P port of the hydraulic control air valve (13) is connected with the air bag (14), an execution port A port of the hydraulic control air valve (13) is connected with a booster (15), the booster (15) is connected with a trailer parking hydraulic cylinder (17), and the trailer parking hydraulic cylinder (17) controls a trailer parking brake (16) to act; a control lever (5-1) of the gear selecting operation valve (5) is connected with a gear selector positioned in a cab through a flexible shaft;
The working method comprises the following steps: when the vehicle needs to move forward, a driver operates a gear selector in a cab to make the gear selector in a forward gear, a port P of a gear selecting operation valve (5) is communicated with a port A of an execution port, a forward gear clutch (6) is in a combined state, a power shaft is combined with a forward shaft, and the vehicle moves forward.
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 |
---|---|---|---|
CN201511009469.2A CN105501200B (en) | 2015-12-30 | 2015-12-30 | A kind of vehicle gear selecting, stopping brake combined control system |
CN201711327305.3A CN108082158B (en) | 2015-12-30 | 2015-12-30 | Vehicle gear selection and parking 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 |
---|---|
CN108082158A CN108082158A (en) | 2018-05-29 |
CN108082158B true CN108082158B (en) | 2019-12-10 |
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 |
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 |
CN201711207761.4A Active CN107914688B (en) | 2015-12-30 | 2015-12-30 | A kind of vehicle gear selecting, stopping brake combination control method |
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 |
Family Applications Before (4)
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 |
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 |
CN201711207761.4A Active CN107914688B (en) | 2015-12-30 | 2015-12-30 | A kind of vehicle gear selecting, stopping brake combination control method |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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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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 |
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CN105946831B (en) * | 2016-06-13 | 2018-06-29 | 青岛华瑞丰机械有限公司 | Vehicle booster brake apparatus |
CN109263618B (en) * | 2016-07-29 | 2020-12-25 | 滨州农一电子商务有限公司 | Parking brake control system of vehicle for slowing down abrasion of brake disc |
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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 |
CN108374891B (en) * | 2017-05-09 | 2019-08-09 | 上海宏英智能科技有限公司 | The vehicle block selecting automatic traveling crane system 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 |
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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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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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 |
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2015
- 2015-12-30 CN CN201511009469.2A patent/CN105501200B/en active Active
- 2015-12-30 CN CN201711327228.1A patent/CN108068782B/en active Active
- 2015-12-30 CN CN201711327265.2A patent/CN108082160B/en active Active
- 2015-12-30 CN CN201711207761.4A patent/CN107914688B/en active Active
- 2015-12-30 CN CN201711327305.3A patent/CN108082158B/en active Active
- 2015-12-30 CN CN201711328031.XA patent/CN108068783B/en not_active Expired - Fee Related
Patent Citations (5)
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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 |
---|---|
CN108082158A (en) | 2018-05-29 |
CN108068782A (en) | 2018-05-25 |
CN108082160A (en) | 2018-05-29 |
CN108068783A (en) | 2018-05-25 |
CN108068782B (en) | 2019-07-16 |
CN105501200B (en) | 2018-06-26 |
CN108068783B (en) | 2019-12-10 |
CN105501200A (en) | 2016-04-20 |
CN107914688B (en) | 2019-11-26 |
CN107914688A (en) | 2018-04-17 |
CN108082160B (en) | 2019-12-13 |
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Effective date of registration: 20200908 Address after: 213000 Jiangsu Province, Changzhou New District Deputy District 8 Hohai road 402 Patentee after: Zhou Jie Address before: 213000 Jiangsu Province, Changzhou New District Deputy District 8 Hohai road 402 Patentee before: Wu Jie |
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