CN104015713A - Pneumatic braking system for truck - Google Patents
Pneumatic braking system for truck Download PDFInfo
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- CN104015713A CN104015713A CN201410153127.7A CN201410153127A CN104015713A CN 104015713 A CN104015713 A CN 104015713A CN 201410153127 A CN201410153127 A CN 201410153127A CN 104015713 A CN104015713 A CN 104015713A
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- braking system
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Abstract
The invention discloses a pneumatic braking system for a truck. The pneumatic braking system comprises an air pump, a dryer, a master braking valve, a front braking system, a rear braking system, a parking braking system, a modified air inlet, an exhaust braking valve, a clutch booster, and three independent air storage chambers, wherein the air pump is communicated with the dryer through a cooling rigid tube; the dryer is connected into the three independent air storage chambers respectively through a three-loop protective valve; the first chamber is connected with the rear braking system of a service brake, the third chamber is connected with the front braking system of the service brake, and the second chamber is connected with the parking braking system, the clutch booster, an air horn, the exhaust brake valve and the modified air inlet. Compared with the existing braking system, the pneumatic braking system disclosed by the invention separates a front service brake, a rear service brake and a parking brake of a pneumatic braking vehicle, so that safety problems due to simultaneous failures are solved; when the clutch booster has an air leakage, sudden locking of rear wheels of a vehicle is not caused, so that a safety accident is prevented, and potential safety hazards due to failures in small parts or user modification can also be prevented.
Description
Technical field
The present invention relates to a kind of auto manufacturing, relate in particular 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 relevant technology of automotive safety is also in continuous breakthrough.Yet with regard to goods carrying vehicle, still exist and need improved safety method, particularly car brakeing safety method easily.
Summary of the invention
Object of the present invention is just to provide a kind of the problems referred to above that solved, and makes the lorry air braking system of the separate effect of brake system Zhong Ge branch.
To achieve these goals, the technical solution used in the present invention is: a kind of lorry air braking system, comprise air pump, dryer, main brake valve, front brake system, post-braking system, emergency brake system, repacking connects gas port, exhaust brake valve, clutch booster, also comprise three independently air storing cavities, described air storing cavity is divided into the first chamber, the second chamber and the 3rd chamber, described air pump is communicated with dryer by cooling hard tube, described dryer accesses respectively three independently air storing cavities by three loop protection valves, the first chamber is connected with the post-braking system of service brake, the 3rd chamber is connected with the front brake system of service brake, the second chamber and emergency brake system, clutch booster, air pressure horn, exhaust brake valve, repacking connects gas port and connects,
As preferably, post-braking system comprises relay valve, rapid release valve, back axle left and right spring air chamber, on described the first chamber export pipeline, is connected to three-way pipe, and wherein a pipeline is as pilot piping, by main brake valve, be communicated with relay valve, its pilot piping is provided with the baroceptor with low pressure alarming; Another pipeline, as carrying out pipeline, is directly communicated with relay valve, and described relay valve is communicated with back axle left and right spring air chamber by pipeline;
As preferably, the one end in described the first chamber is provided with safety valve;
As preferably, described emergency brake system comprises check valve, hand brake valve, described the second chamber is provided with two air extractor ducts, be divided into the first air extractor duct and the second air extractor duct, on described the first air extractor duct, be connected to three-way pipe, wherein a pipeline is connected with clutch booster, on another pipeline, be provided with a check valve, by check valve, be communicated with hand brake valve, then access the rapid release valve at back axle place, by rapid release valve, be communicated with back axle left and right spring air chamber; On second air extractor duct in described the second chamber, be connected to a single loop protective valve, the air extractor duct of single loop protective valve is connected to three-way pipe, and wherein a pipeline is connected with exhaust brake valve, air pressure horn respectively after connecing electromagnetic valve, and another pipeline connects gas port with repacking and is connected;
As preferably, the connecting line of described hand brake valve and rapid release valve is provided with the baroceptor with low pressure alarming;
As preferably, described front brake system comprises propons left and right spring air chamber, after described the 3rd chamber export pipeline access main brake valve, is communicated with propons left and right spring air chamber, and its pipeline is provided with the baroceptor with low pressure alarming.
Compared with prior art, the invention has the advantages that: by a kind of lorry air braking system, design, the front service brake of air brake vehicle, rear service brake, braking during standstill are independently opened, reduce the safety problem that lost efficacy and bring simultaneously; Clutch booster and braking during standstill separate by check valve, when clutch booster leaks gas, can not cause the unexpected locking of vehicle rear wheel, avoid safety misadventure; The pipeline repacking of air pressure horn, energy brake and user's repacking connects gas port and separates by single loop protective valve and spring air chamber brake system, clutch system, avoids smallclothes inefficacy or user to reequip the potential safety hazard that science is not brought.
Accompanying drawing explanation
Fig. 1 is system architecture 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 protective valve; 6. safety valve; 7. three loop protection valves; 8. dryer; 9. relay valve; 10. rapid release valve; 11. back axle left and right spring housing; 12. repackings connect gas port; 13. exhaust brake valves; 14. clutch boosters; 15. inflation pump; 16. electromagnetic valves; 17. air pressure horns; 18. propons left and right spring housing; 19. baroceptor; 20. check valves; 21. hand brake valves.
The specific embodiment
Below the invention will be further described.
Embodiment: referring to Fig. 1; a kind of lorry air braking system; from described inflation pump 15 gas out, by cooling hard tube, access described dryer 8; then by described three loop protection valves 7, access respectively three independently air storing cavities; the gas in described the first chamber 4 is for the rear braking of service brake; the gas in described the 3rd chamber 2 is for the front braking of service brake, and the gas in described the second chamber 3 connects gas port 12 for braking during standstill, clutch booster 14, exhaust brake valve 13, air pressure horn 17, repacking.
On described the first chamber 4 export pipelines, be connected to three-way pipe, access the pipeline of described main brake valve 1 as pilot piping, which is provided with the described baroceptor 19 with low pressure alarming, from described main brake valve 1 out, access described relay valve 9; Another pipeline, as carrying out pipeline, directly accesses described relay valve 9; Described relay valve 9 accesses described back axle left and right spring air chamber 11 by pipeline again; The one end in described the first chamber 4 is provided with described safety valve 6.
On the pipeline of the described main brake valve 1 of described the 3rd chamber 2 access, its pipeline is provided with the described baroceptor 19 with low pressure alarming, from described main brake valve 1 out, by described rapid release valve 10 access described propons left and right spring air chambers 18.
Described the second chamber 2 is provided with two air extractor ducts, and the first air extractor duct is for braking during standstill and described clutch booster 14; The second air extractor duct is used for described exhaust brake valve 13, air pressure horn 17, repacking connects gas port 12 and other needs the device of use gas.
On first air extractor duct in described the second chamber 2, be connected to three-way pipe, article one, pipeline is for described clutch booster 14, on another pipeline, be provided with a check valve 20, by the described hand brake valve 21 of the rear access of described check valve 20, then access the rapid release valve 10 at back axle place, by described rapid release valve 10 access described back axle left and right spring air chambers 11;
On second air extractor duct in described the second chamber 2, be connected to a single loop protective valve 5; the air extractor duct of described single loop protective valve 5 is connected to three-way pipe; article one, pipeline is for described exhaust brake valve 13 or described air pressure horn 17, and the described repacking of another pipeline connects and when gas port 12 is reequiped for user, gets gas.
By a kind of lorry air braking system, design, the front service brake of air brake vehicle, rear service brake, braking during standstill are independently opened, reduce the safety problem that lost efficacy and bring simultaneously; Clutch booster 14 and braking during standstill separate by check valve 20, when clutch booster 14 gas leakage, can not cause the unexpected locking of vehicle rear wheel, avoid safety misadventure; The pipeline repacking of air pressure horn 17, exhaust brake valve 13 and user's repacking connects gas port 12 and separates by single loop protective valve 5 and spring air chamber brake system, clutch system, avoids smallclothes inefficacy or user to reequip the potential safety hazard that science is not brought
Above a kind of lorry air braking system provided by the present invention has been carried out to detailed introduction, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, to change of the present invention and improvement, will be possible, and can not exceed design and the scope of accessory claim defined, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. a lorry air braking system, comprise air pump, dryer, main brake valve, front brake system, post-braking system, emergency brake system, repacking connects gas port, exhaust brake valve, clutch booster, it is characterized in that: also comprise three independently air storing cavities, described air storing cavity is divided into the first chamber, the second chamber and the 3rd chamber, described air pump is communicated with dryer by cooling hard tube, described dryer accesses respectively three independently air storing cavities by three loop protection valves, the first chamber is connected with the post-braking system of service brake, the 3rd chamber is connected with the front brake system of service brake, the second chamber and emergency brake system, clutch booster, air pressure horn, exhaust brake valve, repacking connects gas port and connects.
2. a kind of lorry air braking system according to claim 1, it is characterized in that: post-braking system comprises relay valve, rapid release valve, back axle left and right spring air chamber, on described the first chamber export pipeline, be connected to three-way pipe, wherein a pipeline is as pilot piping, by main brake valve, be communicated with relay valve, its pilot piping is provided with the baroceptor with low pressure alarming; Another pipeline, as carrying out pipeline, is directly communicated with relay valve, and described relay valve is communicated with back axle left and right spring air chamber by pipeline.
3. a kind of lorry air braking system according to claim 2, is characterized in that: the one end in described the first chamber is provided with safety valve.
4. a kind of lorry air braking system according to claim 1, it is characterized in that: described emergency brake system comprises check valve, hand brake valve, described the second chamber is provided with two air extractor ducts, be divided into the first air extractor duct and the second air extractor duct, on described the first air extractor duct, be connected to three-way pipe, wherein a pipeline is connected with clutch booster, on another pipeline, be provided with a check valve, by check valve, be communicated with hand brake valve, access again the rapid release valve at back axle place, by rapid release valve, be communicated with back axle left and right spring air chamber; On second air extractor duct in described the second chamber, be connected to a single loop protective valve, the air extractor duct of single loop protective valve is connected to three-way pipe, and wherein a pipeline is connected with exhaust brake valve, air pressure horn respectively after connecing electromagnetic valve, and another pipeline connects gas port with repacking and is connected.
5. a kind of lorry air braking system according to claim 4, is characterized in that: the connecting line of described hand brake valve and rapid release valve is provided with the baroceptor with low pressure alarming.
6. a kind of lorry air braking system according to claim 1, it is characterized in that: described front brake system comprises propons left and right spring air chamber, after described the 3rd chamber export pipeline access main brake valve, be communicated with propons left and right spring air chamber, its pipeline is provided with the baroceptor with 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104015713A true CN104015713A (en) | 2014-09-03 |
| CN104015713B CN104015713B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410153127.7A Active CN104015713B (en) | 2014-04-16 | 2014-04-16 | A kind of lorry air braking system |
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| CN (1) | CN104015713B (en) |
Cited By (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 |
| 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 |
| 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 |
| CN113386726A (en) * | 2021-07-19 | 2021-09-14 | 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 |
Cited By (5)
| 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 |
| 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 |
| 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 |
| CN113386726A (en) * | 2021-07-19 | 2021-09-14 | 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104015713B (en) | 2016-06-29 |
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