CN104015713B - A kind of lorry air braking system - Google Patents
A kind of lorry air braking system Download PDFInfo
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- CN104015713B CN104015713B CN201410153127.7A CN201410153127A CN104015713B CN 104015713 B CN104015713 B CN 104015713B CN 201410153127 A CN201410153127 A CN 201410153127A CN 104015713 B CN104015713 B CN 104015713B
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Abstract
The invention discloses a kind of lorry air braking system, including air pump, exsiccator, main brake valve, front brakes, post-braking system, parking braking system, repacking connects QI KOU, exhaust brake valve, clutch booster, also include three independent air storing cavities, described air pump connects with exsiccator by cooling down hard tube, described exsiccator is respectively connected to three independent air storing cavities by three loop protection valves, first chamber is connected with the post-braking system of service brake, 3rd chamber is connected with the front brakes of service brake, second chamber and parking braking system, clutch booster, air horn, exhaust brake valve, repacking connects QI KOU and connects.The present invention makes the front service brake of air brake vehicle, rear service brake, parking braking independently open compared with existing brakes, reduces the safety problem brought that simultaneously lost efficacy；From when clutch booster leaks gas, not resulting in the unexpected locking of vehicle rear wheel, it is to avoid security incident, smallclothes also can be avoided to lose efficacy or user reequips the potential safety hazard brought.
Description
Technical field
The present invention relates to a kind of auto manufacturing, particularly relate to a kind of lorry air braking system.
Background technology
Along with the fast development of domestic automobile industry, technology diversification is maked rapid progress, and the technology that automotive safety is correlated with is also in continuous breakthrough.But for cargo vehicle, still there is the convenient safe practice of safe practice, particularly car braking needing to improve.
Summary of the invention
The purpose of the present invention is that offer one solves the problems referred to above, makes the lorry air braking system of the separate effect of brakes Zhong Ge branch.
To achieve these goals, the technical solution used in the present invention is: a kind of lorry air braking system, including air pump, exsiccator, main brake valve, front brakes, post-braking system, parking braking system, repacking connects QI KOU, exhaust brake valve, clutch booster, also include three independent air storing cavities, described air storing cavity is divided into the first chamber, second chamber and the 3rd chamber, described air pump connects with exsiccator by cooling down hard tube, described exsiccator is respectively connected to three independent air storing cavities by three loop protection valves, first chamber is connected with the post-braking system of service brake, 3rd chamber is connected with the front brakes of service brake, second chamber and parking braking system, clutch booster, air horn, exhaust brake valve, repacking connects QI KOU and connects；
As preferably, post-braking system includes relay valve, quick release valve, back axle left and right spring air chamber, and described first chamber export pipeline is connected to tee T, and wherein a pipeline is as control piper, connected with relay valve by main brake valve, its control piper is provided with the baroceptor of low pressure alarming；Another pipeline, as performing pipeline, directly connects with relay valve, and described relay valve is connected with back axle left and right spring air chamber by pipeline；
As preferably, the one end in described first chamber is provided with relief valve；
As preferably, described parking braking system includes check valve, hand brake valve, described second chamber is provided with two gas outlets, being divided into the first gas outlet and the second gas outlet, described first gas outlet is connected to tee T, wherein a pipeline is connected with clutch booster, another pipeline is provided with a check valve, connected with hand brake valve by check valve, then access the quick release valve at back axle place, connected with back axle left and right spring air chamber by quick release valve；Being connected to a single loop protection valve on second gas outlet in described second chamber, the gas outlet of single loop protection valve is connected to tee T, and wherein a pipeline is connected with exhaust brake valve, air horn after connecing electromagnetic valve respectively, and another pipeline connects QI KOU with repacking and is connected；
As preferably, the connecting line of described hand brake valve and quick release valve being provided with the baroceptor of low pressure alarming；
As preferably, described front brakes includes propons left and right spring air chamber, and described 3rd chamber export pipeline connects with propons left and right spring air chamber after accessing main brake valve, and its pipeline is provided with the baroceptor of low pressure alarming.
Compared with prior art, it is an advantage of the current invention that: by a kind of lorry air braking system design, make the front service brake of air brake vehicle, rear service brake, parking braking independently open, reduce the safety problem brought that simultaneously lost efficacy；Clutch booster and parking braking are separated by check valve, when clutch booster leaks gas, do not result in the unexpected locking of vehicle rear wheel, it is to avoid security incident；The pipeline repacking of air horn, exhaust brake and user's repacking connects QI KOU and protects valve and spring air chamber brakes, clutch system to separate by single loop, it is to avoid smallclothes lost efficacy or user reequips the potential safety hazard that not science is brought.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of the present invention.
In figure: 1. main brake valve；2. the 3rd chamber；3. the second chamber；4. the first chamber；5. single loop protection valve；6. relief valve；7. three loop protection valve；8. exsiccator；9. relay valve；10. quick release valve；11. back axle left and right spring housing；12. repacking connects QI KOU；13. exhaust brake valve；14. clutch booster；15. inflating pump；16. electromagnetic valve；17. air horn；18. propons left and right spring housing；19. baroceptor；20. check valve；21. hand brake valve.
Detailed description of the invention
The invention will be further described below.
Embodiment: referring to Fig. 1; a kind of lorry air braking system; described exsiccator 8 is accessed by cooling down hard tube from described inflating pump 15 gas out; then pass through described three loop protection valves 7 and be respectively connected to three independent air storing cavities; the gas in described first chamber 4 is for the rear braking of service brake; the gas in described 3rd chamber 2 is for the front braking of service brake, and the gas in described second chamber 3 connects QI KOU 12 for parking braking, clutch booster 14, exhaust brake valve 13, air horn 17, repacking.
Described first chamber 4 export pipeline is connected to tee T, accesses the pipeline of described main brake valve 1 as control piper, which is provided with the described baroceptor 19 with low pressure alarming, from described main brake valve 1 out after, access described relay valve 9；Another pipeline, as performing pipeline, is directly accessed described relay valve 9；Described relay valve 9 accesses described back axle left and right spring air chamber 11 again through pipeline；The one end in described first chamber 4 is provided with described relief valve 6.
Described 3rd chamber 2 is accessed on the pipeline of described main brake valve 1, and its pipeline is provided with the described baroceptor 19 with low pressure alarming, from described main brake valve 1 out after, access described propons left and right spring air chamber 18 by described quick release valve 10.
Described second chamber 2 is provided with two gas outlets, and the first gas outlet is used for parking braking and described clutch booster 14；Second gas outlet for described exhaust brake valve 13, air horn 17, repacking connects QI KOU 12 and other needs the device of use gas.
First gas outlet in described second chamber 2 is connected to tee T, article one, pipeline is used for described clutch booster 14, another pipeline is provided with a check valve 20, by accessing described hand brake valve 21 after described check valve 20, then access the quick release valve 10 at back axle place, access described back axle left and right spring air chamber 11 by described quick release valve 10；
Second gas outlet in described second chamber 2 is connected to a single loop protection valve 5; the gas outlet of described single loop protection valve 5 is connected to tee T; article one, pipeline is used for described exhaust brake valve 13 or described air horn 17, and the described repacking of another pipeline connects when QI KOU 12 is reequiped for user and takes gas.
By a kind of lorry air braking system design, make the front service brake of air brake vehicle, rear service brake, parking braking independently open, reduce the safety problem brought that simultaneously lost efficacy；Clutch booster 14 and parking braking are separated by check valve 20, when clutch booster 14 leaks gas, do not result in the unexpected locking of vehicle rear wheel, it is to avoid security incident；The pipeline repacking of air horn 17, exhaust brake valve 13 and user's repacking connects QI KOU 12 and protects valve 5 and spring air chamber brakes, clutch system to separate by single loop, it is to avoid smallclothes lost efficacy or user reequips the potential safety hazard that not science is brought
Above a kind of lorry air braking system provided by the present invention is carried out exhaustive presentation, principles of the invention and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；Simultaneously, for one of ordinary skill in the art, thought according to the present invention, all will change in specific embodiments and applications, change and improvement to the present invention will be possible, without beyond the design of accessory claim defined and scope, in sum, this specification content should not be construed as limitation of the present invention.
Claims (5)
1. a lorry air braking system, including air pump, exsiccator, main brake valve, front brakes, post-braking system, parking braking system, repacking connects QI KOU, exhaust brake valve, clutch booster, it is characterized in that: also include three independent air storing cavities, described air storing cavity is divided into the first chamber, second chamber and the 3rd chamber, described air pump connects with exsiccator by cooling down hard tube, described exsiccator is respectively connected to three independent air storing cavities by three loop protection valves, first chamber is connected with the post-braking system of service brake, 3rd chamber is connected with the front brakes of service brake, second chamber and parking braking system, clutch booster, air horn, exhaust brake valve, repacking connects QI KOU and connects,
Described parking braking system includes check valve, hand brake valve, described second chamber is provided with two gas outlets, it is divided into the first gas outlet and the second gas outlet, described first gas outlet is connected to tee T, wherein a pipeline is connected with clutch booster, another pipeline is provided with a check valve, is connected with hand brake valve by check valve, access the quick release valve at back axle place again, connected with back axle left and right spring air chamber by quick release valve；Being connected to a single loop protection valve on second gas outlet in described second chamber, the gas outlet of single loop protection valve is connected to tee T, and wherein a pipeline is connected with exhaust brake valve, air horn after connecing electromagnetic valve respectively, and another pipeline connects QI KOU with repacking and is connected.
2. a kind of lorry air braking system according to claim 1, it is characterized in that: post-braking system includes relay valve, quick release valve, back axle left and right spring air chamber, described first chamber export pipeline is connected to tee T, wherein a pipeline is as control piper, connected with relay valve by main brake valve, its control piper is provided with the baroceptor of low pressure alarming；Another pipeline, as performing pipeline, directly connects with relay valve, and described relay valve is connected with back axle left and right spring air chamber by pipeline.
3. a kind of lorry air braking system according to claim 2, it is characterised in that: the one end in described first chamber is provided with relief valve.
4. a kind of lorry air braking system according to claim 1, it is characterised in that: described hand brake valve and the connecting line of quick release valve are provided with the baroceptor of low pressure alarming.
5. a kind of lorry air braking system according to claim 1, it is characterized in that: described front brakes includes propons left and right spring air chamber, described 3rd chamber export pipeline connects with propons left and right spring air chamber after accessing main brake valve, and its pipeline is provided with the baroceptor of low pressure alarming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153127.7A CN104015713B (en) | 2014-04-16 | 2014-04-16 | A kind of lorry air braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153127.7A CN104015713B (en) | 2014-04-16 | 2014-04-16 | A kind of lorry air braking system |
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| Publication Number | Publication Date |
|---|---|
| CN104015713A CN104015713A (en) | 2014-09-03 |
| CN104015713B true CN104015713B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410153127.7A Active CN104015713B (en) | 2014-04-16 | 2014-04-16 | A kind of lorry air braking system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043259A (en) * | 2016-06-27 | 2016-10-26 | 中国重汽集团济南动力有限公司 | Independent air source parking braking system and operating method |
| CN108422989A (en) * | 2018-04-28 | 2018-08-21 | 瑞立集团瑞安汽车零部件有限公司 | The commercial automobile-used air braking system of new energy |
| CN108407790A (en) * | 2018-04-28 | 2018-08-17 | 瑞立集团瑞安汽车零部件有限公司 | The commercial automobile-used integrated form air braking system of new energy |
| CN113386726B (en) * | 2021-07-19 | 2022-11-22 | 中国重汽集团成都王牌商用车有限公司 | Air chamber upper cover system with anti-lock function and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3301169A1 (en) * | 1982-02-01 | 1983-08-11 | Fabbrica Italiana Magneti Marelli S.p.A., Milano | Air brake system for vehicle trailers |
| EP1769992A2 (en) * | 2005-10-01 | 2007-04-04 | AGCO GmbH | Trailer brake valve |
| CN201736981U (en) * | 2010-06-29 | 2011-02-09 | 简式国际汽车设计（北京）有限公司 | Air brake system for light trucks |
| CN102407841A (en) * | 2010-09-21 | 2012-04-11 | 陈言平 | High-pressure airbrake system for heavy truck |
| CN202481067U (en) * | 2012-03-30 | 2012-10-10 | 包头北奔重型汽车有限公司 | Dual-loop air brake system of front disc and rear drum commercial vehicle |
-
2014
- 2014-04-16 CN CN201410153127.7A patent/CN104015713B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3301169A1 (en) * | 1982-02-01 | 1983-08-11 | Fabbrica Italiana Magneti Marelli S.p.A., Milano | Air brake system for vehicle trailers |
| EP1769992A2 (en) * | 2005-10-01 | 2007-04-04 | AGCO GmbH | Trailer brake valve |
| CN201736981U (en) * | 2010-06-29 | 2011-02-09 | 简式国际汽车设计（北京）有限公司 | Air brake system for light trucks |
| CN102407841A (en) * | 2010-09-21 | 2012-04-11 | 陈言平 | High-pressure airbrake system for heavy truck |
| CN202481067U (en) * | 2012-03-30 | 2012-10-10 | 包头北奔重型汽车有限公司 | Dual-loop air brake system of front disc and rear drum commercial vehicle |
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| CN104015713A (en) | 2014-09-03 |
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