CN203666629U - Air pressure control system of brake - Google Patents
Air pressure control system of brake Download PDFInfo
- Publication number
- CN203666629U CN203666629U CN201420041066.0U CN201420041066U CN203666629U CN 203666629 U CN203666629 U CN 203666629U CN 201420041066 U CN201420041066 U CN 201420041066U CN 203666629 U CN203666629 U CN 203666629U
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- air
- brake
- admission port
- valve
- receiver
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Abstract
The utility model discloses an air pressure control system of a brake. The air pressure control system of the brake comprises an air compressor, an air storage cylinder, brake valves, front quick release valves, rear relay valves and pressure regulating valves, wherein the air compressor is communicated with the air storage cylinder, the air storage cylinder is communicated with first air inlets of the brake valves, and communicated with second air inlets of the brake valves and air inlets of the rear relay valves, first air outlets of the brake valves are communicated with air inlets of the front quick release valves through the pressure regulating valves, each front quick release valve is communicated with a front brake air chamber, second air outlets of the brake valves are communicated with control mouths of the rear relay valves, and each rear relay valve is communicated with a rear brake air chamber. According to the air pressure control system of the brake, pressure of air circuits from the first air outlets of the brake valves to the air inlets of the front quick release valves can be regulated through the pressure regulating valves, and then pressure of a front brake air circuit at the initial braking stage can be reduced, and therefore the problems that a disc brake shakes and temperature of a brake disc is high are effectively solves on the premise that brake performance of a whole car is not influenced, a friction plate is effectively protected, and furthermore reliability of the whole car is improved.
Description
Technical field
The utility model relates to air pressure control technology, is specifically related to a kind of pneumatic control system of drg.
Background technology
Under the background of continually strengthening at Chinese automobile safety rate, commercial vehicle/comm..vehicle brake system starts to plate disc brake transition, but, the pneumatic control system that plate disc brake is housed still adopts the pneumatic control system that drum brake mechanism is housed, and the problem of this existence is: because the response ratio drum brake mechanism of plate disc brake is fast, so at initial stage of braking procedure, after front braking-force ratio, braking force is large, cause vehicle shake in braking procedure, brake disc temperature is high, to such an extent as to easily occurs burning the faults such as friction lining.
Utility model content
The above defect that the utility model exists in order to solve existing pneumatic control system, provides a kind of pneumatic control system that is suitable for brake-pipe pressure before reduced braking initial stage that plate disc brake uses.
To achieve these goals, the technical solution adopted in the utility model is: a kind of pneumatic control system of drg, comprise air compressor, air receiver, brake activation valve, front rapid release valve, rear relay valve and pressure regulating valve, the outlet of described air compressor is connected with the admission port of described air receiver, the first air extractor duct of described air receiver is connected with the first admission port of described brake activation valve, the second air extractor duct of described air receiver is connected with the second admission port of described brake activation valve and the admission port of rear relay valve, the first air extractor duct of described brake activation valve is connected with the admission port of front rapid release valve through described pressure regulating valve, two air extractor ducts of described front rapid release valve are respectively connected with a front compressed air brake cylinder, the second air extractor duct of described brake activation valve is connected with the control mouth of described rear relay valve, two outlets of described rear relay valve are respectively connected with compressed air brake cylinder after.
Preferably, described air receiver comprises main air reservoir, front braking air receiver and rear braking air receiver, the admission port of described main air reservoir is connected as the admission port of described air receiver and the outlet of described air compressor, the air extractor duct of described main air reservoir is connected with the admission port of front braking air receiver and the admission port of rear braking air receiver, the air extractor duct of described front braking air receiver is connected as the first air extractor duct of described air receiver and the first admission port of described brake activation valve, the air extractor duct of described rear braking air receiver is connected as the second air extractor duct of described air receiver and the second admission port of described brake activation valve.
Preferably, the air extractor duct of described main air reservoir through the admission port of double loop protective valve and described front braking air receiver and described after brake air receiver admission port be connected.
Preferably, the outlet drying device of described air compressor is connected with the admission port of described air receiver.
Preferably, in the gas circuit that the first air extractor duct of described air receiver and the first admission port of described brake activation valve are connected, the first air-pressure gauge is installed.
Preferably, in the gas circuit that the second air extractor duct of described air receiver and the second admission port of described brake activation valve are connected, the second air-pressure gauge is installed
The beneficial effects of the utility model are: the pneumatic control system of drg of the present utility model is by arranging the first air extractor duct of the adjustable brake activation valve of pressure regulating valve to the pressure of the gas circuit between the admission port of front rapid release valve; and then brake gas circuit pressure before can reducing the braking initial stage; therefore; can under the prerequisite that does not affect braking performance of vehicle, effectively solve the problem of brake judder and the brake disc excess Temperature of plate disc brake; effectively protection friction lining, the reliability of raising car load.
Brief description of the drawings
Fig. 1 implements structure according to the one of the pneumatic control system of drg described in the utility model.
Drawing reference numeral:
1-air compressor; 2-dryer;
3-main air reservoir; 4-double loop protective valve;
Braking air receiver before 5-; After 6-, brake air receiver;
7-brake activation valve; 8-pressure regulating valve;
Rapid release valve before 9-; Compressed air brake cylinder before 10-;
Relay valve after 11-; Compressed air brake cylinder after 12-.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
As shown in Figure 1, the pneumatic control system of drg of the present utility model comprises air compressor 1, air receiver, brake activation valve 7, front rapid release valve 9, rear relay valve 11 and pressure regulating valve 8, chaufeur can be braked control to car load by brake activation valve 7, brake activation valve 7 has two admission ports (being respectively the first and second admission ports) and two air extractor ducts (being respectively second air extractor duct corresponding with the first admission port and second air extractor duct corresponding with the second admission port), with degassing function; The effect of front rapid release valve 9 is Rapid degassings of realizing front compressed air brake cylinder 10 in system, one of them admission port air inlet, and two air extractor ducts are given vent to anger, band degassing function; The effect of pressure regulating valve 8 is the reduction initial stage to keep stable operation pressure when system pressure, and delivery pressure value is adjustable, and this pressure regulating valve 8 can be fixed on vehicle frame by support in use, for chaufeur or vehicle maintenance and repair personnel adjustment; The effect of rear relay valve 11 is the fast aeration that realize rear compressed air brake cylinder 12, and wherein two import air inlets are respectively admission port and control mouth, and two air extractor ducts are given vent to anger, band degassing function; The effect of air receiver is to be brake system stored-gas, refrigerating gas.Particularly, the outlet of this air compressor 1 is connected with the admission port of air receiver, the first air extractor duct of air receiver is connected with the first admission port of brake activation valve 7, the second air extractor duct of air receiver is connected with the admission port of the second admission port of brake activation valve 7 and rear relay valve 11, the first air extractor duct of brake activation valve 7 is connected with the admission port of front rapid release valve 9 through pressure regulating valve 8, two air extractor ducts of front rapid release valve 9 are respectively connected with a front compressed air brake cylinder 10, the second air extractor duct of brake activation valve 7 is connected with the control mouth of rear relay valve 11, two outlets of rear relay valve 11 are respectively connected with compressed air brake cylinder 12 after.
For air receiver is independent of each other to the air feed of front rapid release valve 9 and rear relay valve 11, as shown in Figure 1, above-mentioned air receiver can comprise main air reservoir 3, front braking air receiver 5 and rear braking air receiver 6, the admission port of main air reservoir 3 is connected with the outlet of air compressor 1 as the admission port of air receiver, the air extractor duct of main air reservoir 3 is connected with the admission port of front braking air receiver 5 and the admission port of rear braking air receiver 6, the air extractor duct of front braking air receiver 5 is connected as the first air extractor duct of above-mentioned air receiver and the first admission port of brake activation valve 7, the air extractor duct of rear braking air receiver 6 is connected as the second air extractor duct of air receiver and the second admission port of brake activation valve 7.
Separate in order to make between the gas circuit between main air reservoir 3 and front braking air receiver 5 and rear braking air receiver 6, the air extractor duct of this main air reservoir 3 through the admission port of double loop protective valve 4 and front braking air receiver 5 and after brake air receiver 6 admission port be connected.
In addition, the outlet of this air compressor 1 can be connected with the admission port of air receiver 3 by drying device 2, to reduce air-source to air compressor and the requirement of air compressor itself.
In order to make the chaufeur can the first air extractor duct of Real-Time Monitoring air receiver and the air pressure of the gas circuit that is connected of the first admission port of brake activation valve 7, the first air-pressure gauge can be installed in this gas circuit.In the gas circuit that in like manner, can be connected with the second admission port of brake activation valve 7 at the second air extractor duct of air receiver, the second air-pressure gauge is installed.
The principle of work of pneumatic control system of the present utility model is: in the time that car load is braked, one tunnel pressurized air is adjusted pressure from the first air extractor duct of brake activation valve 7 by pressure regulating valve 8, after adjusting, the gas of pressure stability enters front compressed air brake cylinder 10 by front fast valve 9, thereby realizes propons braking; Another road pressurized air from the second air extractor duct of brake activation valve 7 by relay valve 11 enter rear compressed air brake cylinder 12, thereby realize afterwards back axle braking.
Describe structure of the present utility model, feature and action effect in detail according to the embodiment shown in graphic above; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change of doing according to conception of the present utility model; or be revised as the equivalent embodiment of equivalent variations; when not exceeding yet specification sheets and illustrating contain spiritual, all should be in protection domain of the present utility model.
Claims (6)
1. the pneumatic control system of a drg, it is characterized in that, comprise air compressor, air receiver, brake activation valve, front rapid release valve, rear relay valve and pressure regulating valve, the outlet of described air compressor is connected with the admission port of described air receiver, the first air extractor duct of described air receiver is connected with the first admission port of described brake activation valve, the second air extractor duct of described air receiver is connected with the second admission port of described brake activation valve and the admission port of rear relay valve, the first air extractor duct of described brake activation valve is connected with the admission port of front rapid release valve through described pressure regulating valve, two air extractor ducts of described front rapid release valve are respectively connected with a front compressed air brake cylinder, the second air extractor duct of described brake activation valve is connected with the control mouth of described rear relay valve, two outlets of described rear relay valve are respectively connected with compressed air brake cylinder after.
2. pneumatic control system according to claim 1, it is characterized in that, described air receiver comprises main air reservoir, front braking air receiver and rear braking air receiver, the admission port of described main air reservoir is connected as the admission port of described air receiver and the outlet of described air compressor, the air extractor duct of described main air reservoir is connected with the admission port of front braking air receiver and the admission port of rear braking air receiver, the air extractor duct of described front braking air receiver is connected as the first air extractor duct of described air receiver and the first admission port of described brake activation valve, the air extractor duct of described rear braking air receiver is connected as the second air extractor duct of described air receiver and the second admission port of described brake activation valve.
3. pneumatic control system according to claim 2, is characterized in that, the air extractor duct of described main air reservoir through the admission port of double loop protective valve and described front braking air receiver and described after brake air receiver admission port be connected.
4. according to the pneumatic control system described in claim 1,2 or 3, it is characterized in that, the outlet drying device of described air compressor is connected with the admission port of described air receiver.
5. pneumatic control system according to claim 1, is characterized in that, in the gas circuit that the first air extractor duct of described air receiver is connected with the first admission port of described brake activation valve, the first air-pressure gauge is installed.
6. pneumatic control system according to claim 1 or 5, is characterized in that, in the gas circuit that the second air extractor duct of described air receiver is connected with the second admission port of described brake activation valve, the second air-pressure gauge is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041066.0U CN203666629U (en) | 2014-01-21 | 2014-01-21 | Air pressure control system of brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041066.0U CN203666629U (en) | 2014-01-21 | 2014-01-21 | Air pressure control system of brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666629U true CN203666629U (en) | 2014-06-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041066.0U Expired - Fee Related CN203666629U (en) | 2014-01-21 | 2014-01-21 | Air pressure control system of brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203666629U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210479A (en) * | 2014-09-26 | 2014-12-17 | 王满屯 | Branch pump leather cup breaking anti-leakage valve for automobile brake system |
| CN104595167A (en) * | 2014-12-26 | 2015-05-06 | 金龙联合汽车工业（苏州）有限公司 | Blast pump control method for pure electric automobile |
| CN105223025A (en) * | 2015-07-29 | 2016-01-06 | 安徽安凯汽车股份有限公司 | A kind of brake test pipeline barometric control unit and control method thereof |
| CN107336703A (en) * | 2016-11-25 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Pneumatic control system, brake system of car, braking and deceleration method of testing |
| CN114026003A (en) * | 2019-06-24 | 2022-02-08 | 法伊韦利传送器意大利有限公司 | Method for monitoring a compressor of a rail brake system |
-
2014
- 2014-01-21 CN CN201420041066.0U patent/CN203666629U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104210479A (en) * | 2014-09-26 | 2014-12-17 | 王满屯 | Branch pump leather cup breaking anti-leakage valve for automobile brake system |
| CN104210479B (en) * | 2014-09-26 | 2016-09-14 | 王满屯 | The wheelcylinder cup of automobile brake system ruptures anti-drip valve |
| CN104595167A (en) * | 2014-12-26 | 2015-05-06 | 金龙联合汽车工业（苏州）有限公司 | Blast pump control method for pure electric automobile |
| CN105223025A (en) * | 2015-07-29 | 2016-01-06 | 安徽安凯汽车股份有限公司 | A kind of brake test pipeline barometric control unit and control method thereof |
| CN107336703A (en) * | 2016-11-25 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Pneumatic control system, brake system of car, braking and deceleration method of testing |
| CN107336703B (en) * | 2016-11-25 | 2019-05-28 | 安徽江淮汽车集团股份有限公司 | Pneumatic control system, brake system of car, braking and deceleration test method |
| CN114026003A (en) * | 2019-06-24 | 2022-02-08 | 法伊韦利传送器意大利有限公司 | Method for monitoring a compressor of a rail brake system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20190121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |