CN103522999A - Vehicle pneumatic brake device capable of moving automatically and being dragged to move - Google Patents
Vehicle pneumatic brake device capable of moving automatically and being dragged to move Download PDFInfo
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- CN103522999A CN103522999A CN201310543057.1A CN201310543057A CN103522999A CN 103522999 A CN103522999 A CN 103522999A CN 201310543057 A CN201310543057 A CN 201310543057A CN 103522999 A CN103522999 A CN 103522999A
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Abstract
The invention relates to a vehicle pneumatic brake device capable of moving automatically and being dragged to move. The vehicle pneumatic brake device comprises a wet air reservoir, a second air opening of the wet air reservoir is connected with a first air opening of a dry air reservoir, a second air opening of the dry air reservoir is connected with an air source opening of a first hand brake valve and an air source opening of a second hand brake valve respectively, a parking opening of the first hand brake valve is connected with an air source opening of a vent valve, a parking opening of the vent valve is connected with a parking braking connector of a corresponding spring brake chamber, a running parking connector of the spring brake chamber is connected to a running braking opening of an emergency relay valve, and a parking opening of a second hand brake valve is connected with an air reservoir opening of the emergency relay valve. The vehicle pneumatic brake device can provide running brake in a low-speed running work state and a short-distance automatic transition running state, and can provide parking brake in the parking state. When a vehicle is dragged by a motor tractor for transition, a motor tractor control valve can be used for achieving running brake, and a control valve of a pneumatic braking loop is used for achieving parking brake when the vehicle is parked, and safety and reliability are achieved.
Description
Technical field
The present invention relates to a kind of brake equipment, especially a kind ofly can tow voluntarily vehicle Pneumatic braking device.
Background technology
Along with the development that highway in China is built, make the maintenance load of built highway also more and more heavylier, development goes out a kind of in-situ heat regeneration road surface recovery technique for this reason.The supporting locomotive of this technical requirements not only can be when work pulsation-free low speed driving, and energy fast speed transition, therefore this locomotive all adopts all-hydraulic transmission running gear to adapt to the requirement of pulsation-free low speed driving, simultaneously again can transition voluntarily between compared with short range, the transition between long distance tows this car by tractor truck and realizes.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can tow voluntarily vehicle Pneumatic braking device, it can and all can give service brake compared with the motoring condition of transition voluntarily between short range at the mode of operation of low speed driving, gives braking during standstill while stopping simultaneously; When towing transition by tractor truck, can realize service brake by tractor truck control cock, the control cock by this gas brake circuit simultaneously while stopping realizes braking during standstill, and compact conformation is reasonable, safe and reliable.
According to technical scheme provided by the invention, describedly can tow voluntarily vehicle Pneumatic braking device, comprise wet air tank, the second gas port of described wet air tank is connected with the first gas port of the inflator that desiccates by tracheae, desiccate inflator the second gas port respectively with the source of the gas mouth of first-hand brake activation valve, the source of the gas mouth of second-hand's brake activation valve connects, the parking mouth of first-hand brake activation valve is connected with the source of the gas mouth of aie escape valve, the parking mouth of aie escape valve connects with the braking during standstill interface of corresponding spring brake chamber respectively, the service brake mouth that the driving parking interface of spring brake chamber is connected to emergency relay valve connects, the parking mouth of second-hand's brake activation valve is connected with the air storage nozzle of emergency relay valve.
The first gas port of described wet air tank is connected with the interface of giving vent to anger of Air compressor.The air extractor duct of described Air compressor is connected to the first gas port of wet air tank by check valve, and wet air tank is connected with the unloader valve on Air compressor by tracheae.
The second gas port of the described inflator that desiccates is connected with the source of the gas mouth of first-hand brake activation valve, the source of the gas mouth of second-hand's brake activation valve by four-way connection, wherein, the second gas port of inflator of desiccating is connected with the first joint of four-way connection by tracheae, the source of the gas mouth of first-hand brake activation valve is connected with the second joint of four-way connection by tracheae, the source of the gas mouth of second-hand's brake activation valve is connected with the 3rd joint of four-way connection by tracheae, on the 4th joint of four-way connection, is connected with air-pressure gauge.
The source of the gas mouth of described emergency relay valve is connected with energy supply connector, and the control mouth of emergency relay valve is connected with control linkage head.
Described wet air tank is provided with the first blow off valve.The described inflator that desiccates is provided with the second blow off valve.
Advantage of the present invention: can and all can give service brake compared with the motoring condition of transition voluntarily between short range at the mode of operation of low speed driving, give braking during standstill simultaneously while stopping; When towing transition by tractor truck, can realize service brake by tractor truck control cock, the control cock by this gas brake circuit simultaneously while stopping realizes braking during standstill, and compact conformation is reasonable, easy to connect, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Description of reference numerals: the wet air tank of 1-Air compressor, 2-unloader valve, 3-check valve, 4-, 5-the first blow off valve, 6-desiccate inflator, 7-the second blow off valve, 8-four-way connection, the first-hand brake activation valve of 9-, 10-aie escape valve, 11-spring brake chamber, 12-second-hand's brake activation valve, 13-emergency relay valve, 14-energy supply connector, 15-control linkage head and 16-air-pressure gauge.
The specific embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As shown in Figure 1: in order and all to give service brake compared with the motoring condition of transition voluntarily between short range at the mode of operation of low speed driving, while stopping, give braking during standstill simultaneously, when towing transition by tractor truck, can realize service brake by tractor truck control cock, control cock by this gas brake circuit simultaneously while stopping realizes braking during standstill, the present invention includes wet air tank 4, the second gas port of described wet air tank 4 is connected with the first gas port of the inflator 6 that desiccates by tracheae, desiccate inflator 6 the second gas port respectively with the source of the gas mouth of first-hand brake activation valve 9, the source of the gas mouth of second-hand's brake activation valve 12 connects, the parking mouth of first-hand brake activation valve 9 is connected with the source of the gas mouth of aie escape valve 10, the parking mouth of aie escape valve 10 connects with the braking during standstill interface of corresponding spring brake chamber 11 respectively, the service brake mouth that the driving parking interface of spring brake chamber 11 is connected to emergency relay valve 13 connects, the parking mouth of second-hand's brake activation valve 12 is connected with the air storage nozzle of emergency relay valve 13.
Particularly, in the embodiment of the present invention, the pressure gas in wet air tank 4 can carry out air feed by the Air compressor 1 carrying on vehicle, and now, the first gas port of described wet air tank 4 is connected with the interface of giving vent to anger of Air compressor 1.The air extractor duct of described Air compressor 1 is connected to the first gas port of wet air tank 4 by check valve 3, and wet air tank 4 is connected with the unloader valve 2 on Air compressor 1 by tracheae.Wet air tank 4 is connected with the unloader valve 2 on Air compressor 1 by tracheae, making Air compressor 1 no-load run after air pressure reaches required pressure.
The second gas port of the described inflator 6 that desiccates is connected with the source of the gas mouth of first-hand brake activation valve 9, the source of the gas mouth of second-hand's brake activation valve 12 by four-way connection 8, wherein, the second gas port of inflator 6 of desiccating is connected with the first joint of four-way connection 8 by tracheae, the source of the gas mouth of first-hand brake activation valve 9 is connected with the second joint of four-way connection 8 by tracheae, the source of the gas mouth of second-hand's brake activation valve 12 is connected with the 3rd joint of four-way connection 12 by tracheae, on the 4th joint of four-way connection 8, is connected with air-pressure gauge.
The source of the gas mouth of described emergency relay valve 13 is connected with energy supply connector 14, and the control mouth of emergency relay valve 13 is connected with control linkage 15.Described wet air tank 4 is provided with the first blow off valve 5.The described inflator 6 that desiccates is provided with the second blow off valve 7.
During the embodiment of the present invention, in the time need to and all giving service brake compared with the motoring condition of transition voluntarily between short range at the mode of operation of low speed driving, working process is: in this mode of operation, brake system is by engine air compressor 1 air feed of vehicle self-carrying, pressurized air, after wet air tank 4 cool dryings are processed, enters the inflator 6 that desiccates and stores.The gas desiccating in inflator 6 connects the source of the gas mouth of second-hand's brake activation valves 12 by tracheae and four-way connection 8, the air storage nozzle of the parking mouth access emergency relay valve 13 of second-hand's brake activation valve 12, the service brake mouth of emergency relay valve 13 is connected to respectively the service brake mouth of the spring brake chamber 11 of forward and backward vehicle bridge.Simultaneously, the gas desiccating in inflator 6 is connected with the source of the gas mouth of first-hand brake activation valve 9 by tracheae and four-way connection 8, the source of the gas mouth of the parking mouth access aie escape valve 10 of first-hand brake activation valve 8, the parking mouth of aie escape valve 10 is connected to respectively the braking during standstill mouth of the spring brake chamber 11 of forward and backward vehicle bridge.In driving process, first-hand brake activation valve 9 is in traveling gears, the parking mouth UNICOM of the source of the gas mouth of first-hand brake activation valve 9 and described first-hand brake activation valve 9.Now, from the pressure gas of the inflator 6 that desiccates, through first-hand brake activation valve 9, aie escape valve 10 enters the parking air cavity of the spring brake chamber 11 of forward and backward vehicle bridge, removes braking during standstill, makes vehicle wheeled.Second-hand's brake activation valve 12 is in parking gear, and the source of the gas mouth of second-hand's brake activation valve 12 seals, and its parking mouth and relief port are connected, now the logical atmosphere of the driving air cavity of the spring brake chamber 11 of forward and backward vehicle bridge.When needing to brake under this state, make second-hand's brake activation valve 12 in traveling gears, the parking mouth UNICOM of the source of the gas mouth of second-hand's brake activation valve 12 and second-hand's brake activation valve 12, the driving air cavity that now enters the spring brake chamber 11 of forward and backward vehicle bridge from the pressure gas of the inflator 6 that desiccates through second-hand's brake activation valve 12 and emergency relay valve 13 is realized service brake.
Describedly when stopping, give braking during standstill and realize in the following manner: during at this state, second-hand's brake activation valve 12 is in parking gear, the source of the gas mouth sealing of second-hand's brake activation valve 12, and its parking mouth and relief port are connected, now the driving air cavity of the spring brake chamber 11 of forward and backward vehicle bridge leads to atmosphere, and this chamber does not participate in braking.Make first-hand brake activation valve 9 in parking gear, the source of the gas mouth sealing of first-hand brake activation valve 9, and its parking mouth and relief port are connected, now the service brake air cavity of the spring brake chamber 11 of forward and backward vehicle bridge leads to atmosphere, this air cavity gas, via the relief port Rapid degassing of aie escape valve 10, is realized vehicle parking braking during standstill.
While towing transition by tractor truck, can by this gas brake circuit, realize service brake by tractor truck control cock realizes in the following manner: in this mode of operation, tractor truck is by energy supply connector 14 to brake system air feed, and tractor truck is separately controlled the service brake of trailer by a control linkage 15 service brake valve of being worn by tractor truck.When tractor truck drawbar trailer together travels, second-hand's brake activation valve 12 is in traveling gears, the parking mouth UNICOM of the source of the gas mouth of second-hand's brake activation valve 12 and second-hand's brake activation valve 12.The pressurized air of tractor truck enters by energy supply connector 14 inflator 6 that desiccates, wet air tank 4 inventory of gas.Now first-hand brake activation valve 9 is also in traveling gears, the parking mouth UNICOM of the source of the gas mouth of first-hand brake activation valve 9 and first-hand brake activation valve 9, pressurized air is simultaneously through first-hand brake activation valve 9, aie escape valve 10 enters the parking air cavity of the spring brake chamber 11 of forward and backward vehicle bridge, remove braking during standstill, make vehicle wheeled.When needing service brake, the speed-slackening signal gas of the service brake valve that tractor truck is worn enters emergency relay valve 13 by control linkage 15, make air storage nozzle and the service brake mouth UNICOM of emergency relay valve 13, gas in air tank enters the service brake air cavity of the spring brake chamber 11 of forward and backward vehicle bridge via urgent motor valve 13, realize service brake.The air storage nozzle that simultaneously pressure gas of tractor truck still can be by energy supply connector 14 and emergency relay valve 13 is to air tank air feed, to keep braking pressure constant.
Braking during standstill when being towed transition and stopped by tractor truck is realized in the following manner: when tractor truck and trailer together stop, because tractor engine is shut down, no longer to brake system air feed, and tractor truck is by the braking during standstill of the control cock enforcement tractor truck carrying.Make second-hand's brake activation valve 12 in parking gear, the source of the gas mouth sealing of second-hand's brake activation valve 12, and its parking mouth and relief port are connected, now the logical atmosphere of the driving air cavity of the spring brake chamber 11 of forward and backward vehicle bridge, does not brake.Make first-hand brake activation valve 9 in parking gear, the source of the gas mouth sealing of first-hand brake activation valve 9, and its parking mouth and relief port are connected, now the service brake air cavity of the spring brake chamber 11 of forward and backward vehicle bridge leads to atmosphere, this air cavity gas, via the relief port Rapid degassing of aie escape valve 10, is realized and originally can be towed the braking during standstill of vehicle voluntarily.
Claims (7)
1. one kind can tow vehicle Pneumatic braking device voluntarily, it is characterized in that: comprise wet air tank (4), the second gas port of described wet air tank (4) is connected with the first gas port of the inflator that desiccates (6) by tracheae, desiccate inflator (6) the second gas port respectively with the source of the gas mouth of first-hand brake activation valve (9), the source of the gas mouth of second-hand's brake activation valve (12) connects, the parking mouth of first-hand brake activation valve (9) is connected with the source of the gas mouth of aie escape valve (10), the parking mouth of aie escape valve (10) connects with the braking during standstill interface of corresponding spring brake chamber (11) respectively, the service brake mouth that the driving parking interface of spring brake chamber (11) is connected to emergency relay valve (13) connects, the parking mouth of second-hand's brake activation valve (12) is connected with the air storage nozzle of emergency relay valve (13).
2. according to claim 1ly can tow voluntarily vehicle Pneumatic braking device, it is characterized in that: the first gas port of described wet air tank (4) is connected with the interface of giving vent to anger of Air compressor (1).
3. according to claim 2ly can tow voluntarily vehicle Pneumatic braking device, it is characterized in that: the air extractor duct of described Air compressor (1) is connected to the first gas port of wet air tank (4) by check valve (3), and wet air tank (4) is connected with the unloader valve (2) on Air compressor (1) by tracheae.
4. according to claim 1ly can tow voluntarily vehicle Pneumatic braking device, it is characterized in that: described in desiccate the second gas port of inflator (6) by the source of the gas mouth of four-way connection (8) and first-hand brake activation valve (9), the source of the gas mouth of second-hand's brake activation valve (12) connects, wherein, the second gas port of inflator (6) of desiccating is connected with the first joint of four-way connection (8) by tracheae, the source of the gas mouth of first-hand brake activation valve (9) is connected with the second joint of four-way connection (8) by tracheae, the source of the gas mouth of second-hand's brake activation valve (12) is connected with the 3rd joint of four-way connection (12) by tracheae, on the 4th joint of four-way connection (8), be connected with air-pressure gauge.
5. according to claim 1ly can tow voluntarily vehicle Pneumatic braking device, it is characterized in that: the source of the gas mouth of described emergency relay valve (13) is connected with energy supply connector (14), the control mouth of emergency relay valve (13) is connected with control linkage head (15).
6. according to claim 1ly can tow voluntarily vehicle Pneumatic braking device, it is characterized in that: described wet air tank (4) is provided with the first blow off valve (5).
7. according to claim 1ly can tow voluntarily vehicle Pneumatic braking device, it is characterized in that: described in the inflator (6) that desiccates be provided with the second blow off valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543057.1A CN103522999B (en) | 2013-11-05 | 2013-11-05 | Vehicle Pneumatic braking device can be towed voluntarily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310543057.1A CN103522999B (en) | 2013-11-05 | 2013-11-05 | Vehicle Pneumatic braking device can be towed voluntarily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103522999A true CN103522999A (en) | 2014-01-22 |
| CN103522999B CN103522999B (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310543057.1A Expired - Fee Related CN103522999B (en) | 2013-11-05 | 2013-11-05 | Vehicle Pneumatic braking device can be towed voluntarily |
Country Status (1)
| Country | Link |
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| CN (1) | CN103522999B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263620A (en) * | 2018-09-28 | 2019-01-25 | 安徽合力股份有限公司牵引车分公司 | A kind of Trailer equipment and braking system of the braking of band gas |
| CN109552296A (en) * | 2018-11-28 | 2019-04-02 | 湖北三江航天万山特种车辆有限公司 | The trailer brake system that double mode automatically switches |
| CN110091848A (en) * | 2019-05-22 | 2019-08-06 | 山东理工大学 | Two based on stacked unidirectional valve and check valve, which drive electric vehicle brake power, recycles gas circuit |
| CN113370957A (en) * | 2021-08-16 | 2021-09-10 | 北京晟科网鼎网络科技有限公司 | Braking force distribution control method, braking system and braking method for electric loader |
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| US4770470A (en) * | 1987-05-18 | 1988-09-13 | Kabushiki Kaisha Komatsu Seisakusho | Brake circuit system for use in vehicles with selectively actuated relay valves and with protection valves |
| EP0478953A1 (en) * | 1990-10-01 | 1992-04-08 | Robert Bosch Gmbh | Electro-pneumatic brake arrangement |
| CN1240734A (en) * | 1998-06-27 | 2000-01-12 | 王三长 | Automatically pneumatic driver with dual pipelines for emergency braking of car |
| CN2383738Y (en) * | 1999-07-01 | 2000-06-21 | 四川汽车制造厂 | Trailer brake |
| CN201009875Y (en) * | 2006-12-28 | 2008-01-23 | 张润 | Brake driving device with high relialibity |
| CN202608757U (en) * | 2012-04-25 | 2012-12-19 | 北汽福田汽车股份有限公司 | Emergency brake and parking brake device and air-pressure braked vehicle |
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2013
- 2013-11-05 CN CN201310543057.1A patent/CN103522999B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4770470A (en) * | 1987-05-18 | 1988-09-13 | Kabushiki Kaisha Komatsu Seisakusho | Brake circuit system for use in vehicles with selectively actuated relay valves and with protection valves |
| EP0478953A1 (en) * | 1990-10-01 | 1992-04-08 | Robert Bosch Gmbh | Electro-pneumatic brake arrangement |
| CN1240734A (en) * | 1998-06-27 | 2000-01-12 | 王三长 | Automatically pneumatic driver with dual pipelines for emergency braking of car |
| CN2383738Y (en) * | 1999-07-01 | 2000-06-21 | 四川汽车制造厂 | Trailer brake |
| CN201009875Y (en) * | 2006-12-28 | 2008-01-23 | 张润 | Brake driving device with high relialibity |
| CN202608757U (en) * | 2012-04-25 | 2012-12-19 | 北汽福田汽车股份有限公司 | Emergency brake and parking brake device and air-pressure braked vehicle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263620A (en) * | 2018-09-28 | 2019-01-25 | 安徽合力股份有限公司牵引车分公司 | A kind of Trailer equipment and braking system of the braking of band gas |
| CN109552296A (en) * | 2018-11-28 | 2019-04-02 | 湖北三江航天万山特种车辆有限公司 | The trailer brake system that double mode automatically switches |
| CN110091848A (en) * | 2019-05-22 | 2019-08-06 | 山东理工大学 | Two based on stacked unidirectional valve and check valve, which drive electric vehicle brake power, recycles gas circuit |
| CN110091848B (en) * | 2019-05-22 | 2022-02-25 | 山东理工大学 | Two-wheel-drive electric vehicle braking energy recovery gas circuit based on stacked one-way valve and one-way valve |
| CN113370957A (en) * | 2021-08-16 | 2021-09-10 | 北京晟科网鼎网络科技有限公司 | Braking force distribution control method, braking system and braking method for electric loader |
| CN113370957B (en) * | 2021-08-16 | 2021-11-02 | 北京晟科网鼎网络科技有限公司 | Braking force distribution control method, braking system and braking method for electric loader |
Also Published As
| Publication number | Publication date |
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| CN103522999B (en) | 2015-12-30 |
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Granted publication date: 20151230 Termination date: 20191105 |