CN203958124U - A kind of drg pneumatic control system - Google Patents

A kind of drg pneumatic control system Download PDF

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Publication number
CN203958124U
CN203958124U CN201420391251.2U CN201420391251U CN203958124U CN 203958124 U CN203958124 U CN 203958124U CN 201420391251 U CN201420391251 U CN 201420391251U CN 203958124 U CN203958124 U CN 203958124U
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CN
China
Prior art keywords
air
valve
admission port
receiver
air receiver
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420391251.2U
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Chinese (zh)
Inventor
汤建新
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Anhui Jianghuai Automobile Group Corp
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Priority to CN201420391251.2U priority Critical patent/CN203958124U/en
Application granted granted Critical
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of drg pneumatic control system, comprise air compressor, air receiver, the first pressure regulating valve, the second pressure regulating valve, brake activation valve, front rapid release valve and rear relay valve; In the gas circuit that described air receiver is connected with the first admission port of described brake activation valve, the first pressure regulating valve is installed; In gas circuit before the second admission port of described air receiver and described brake activation valve and the admission port place of connecting of described rear relay valve, the second pressure regulating valve is installed; The first air extractor duct of described brake activation valve is connected with the admission port of front rapid release 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.The utility model carries out pressure adjusting by increase limiting valve at air receiver air extractor duct place, reduces the volume of air receiver, solves inconvenience and the problem difficult and that other components and parts are integrated safeguarded.

Description

A kind of drg pneumatic control system
Technical field
The utility model relates to automobile brake control field, is specifically related to a kind of drg pneumatic control system.
Background technology
The Pneumatic braking system of automobile is to use shrinkage air as propulsion source, and converts pressure to machine thrust, and wheel is braked.Chaufeur can, by the stroke of control pedal, just, by adjusting the size of gaseous tension, obtain consistent braking force, obtains certain braking force.Pneumatic braking system is the modal pattern of power brake system, due to can obtain the connecting device structure of braking driving system between larger braking and drive force and main car and the trailer being dragged and train-type vehicle simple, connect and disconnect all easily, being therefore widely used in total mass is on goods carrying vehicle, cross country car and passenger vehicle more than 4t.Compression air brake major advantage is for handling light, reliable operation, easy break-down, maintenance are not convenient; In addition, its source of the gas, except for braking, can also install for other.
Pneumatic braking system need to use several air receivers to carry out energy storage, the anticyclonic pressure that general light truck air receiver adopts is 8bar, the anticyclonic pressure that medium and heavy truck air receiver adopts is 9bar, and in advanced heavy duty truck abroad, the anticyclonic pressure of air receiver can reach 12.5bar.Day by day require under the background strict, standard constantly changes in Chinese automobile discharge, light truck need to install SCR urea tank mostly additional, the volume of fuel tank is also increasing simultaneously, so just cause more and more less that air receiver becomes at the installing space of frame outside, if air receiver is arranged on to frame inside, easily causes and safeguard that inconvenience, difficult and other components and parts carry out integrated problem.
Utility model content
The purpose of this utility model is to provide a kind of drg pneumatic control system, meet braking performance of vehicle meet GB require basis on, reduce the volume of air receiver, make the mounting arrangements of air receiver on vehicle frame simpler, solve inconvenience and the problem difficult and that other components and parts are integrated safeguarded.
For achieving the above object, the utility model provides following technical scheme:
A kind of drg pneumatic control system, comprises air compressor, air receiver, the first pressure regulating valve, the second pressure regulating valve, brake activation valve, front rapid release valve and rear relay valve; The outlet of described air compressor is connected with the admission port of described air receiver; 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 pressure regulating valve is installed; In gas circuit before the admission port place of connecting of the second air extractor duct of described air receiver and the second admission port of described brake activation valve and described rear relay valve, the second pressure regulating valve is installed; The first air extractor duct of described brake activation valve is connected with the admission port of front rapid release 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 anticyclonic pressure of described front braking air receiver and rear braking air receiver is set to 10bar.
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.
The beneficial effects of the utility model are:
Drg pneumatic control system provided by the utility model, meet braking performance of vehicle meet GB require basis on, by increasing the pressure of air receiver inside, and on each air receiver outlet pipe, increase limiting valve and carry out pressure adjusting, the gas consumption that can make to be delivered to drg through the adjusting of limiting valve with limiting valve is not installed before identical.Air receiver pressure increase the volume that can reduce air receiver, make the mounting arrangements of air receiver on vehicle frame simpler, solve inconvenience and the problem difficult and that other components and parts are integrated safeguarded.
Brief description of the drawings
Next in connection with accompanying drawing, specific embodiment of the utility model is described in further detail, wherein:
Fig. 1 is the pneumatic control system constructional drawing of the utility model embodiment;
Mark in upper figure:
1, air compressor 2, dryer 3, main air reservoir
4, double loop protective valve 5, front braking air receiver 6, rear braking air receiver
7, the first pressure regulating valve 8, the second pressure regulating valve 9, brake activation valve
10, front rapid release valve 11, front compressed air brake cylinder 12, rear relay valve
13, rear compressed air brake cylinder
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 drg pneumatic control system that the utility model embodiment provides, comprise air compressor 1, air receiver, the first pressure regulating valve 7, the second pressure regulating valve 8, brake activation valve 9, front rapid release valve 10 and rear relay valve 12, chaufeur can be braked control to car load by brake activation valve 9, brake activation valve 9 has two admission ports (being respectively the first and second admission ports) and two air extractor ducts (being respectively first 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 10 is Rapid degassings of realizing front compressed air brake cylinder 11 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 rear relay valve 12 is the fast aeration that realize rear compressed air brake cylinder 13, and wherein two admission port 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.Be specially the outlet of air compressor 1 and the admission port of air receiver is connected, the first air extractor duct of air receiver is connected with the first admission port of brake activation valve 9, and the second air extractor duct of air receiver is connected with the admission port of the second admission port of brake activation valve 9 and rear relay valve 12; The effect of pressure regulating valve be reduce air receiver go out atmospheric pressure time keep stable operation pressure, its delivery pressure value is adjustable.In the gas circuit being connected at the first air extractor duct of air receiver and the first admission port of brake activation valve 9, the first pressure regulating valve 7 is installed, in the gas circuit before the admission port place of connecting of the second air extractor duct of air receiver and the second admission port of brake activation valve 9 and rear relay valve 12, the second pressure regulating valve 8 is installed; The first air extractor duct of brake activation valve 9 is connected with the admission port of front rapid release valve 10, two air extractor ducts of front rapid release valve 10 are respectively connected with a front compressed air brake cylinder 11, the second air extractor duct of brake activation valve 9 is connected with the control mouth of rear relay valve 12, and two air extractor ducts of rear relay valve 12 are respectively connected with compressed air brake cylinder 13 after.
For air receiver is independent of each other to the air feed of front rapid release valve 10 and rear relay valve 12, 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 air extractor duct 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 with the first admission port of brake activation valve 9 through the first pressure regulating valve 7 as the first air extractor duct of above-mentioned air receiver, the air extractor duct of rear braking air receiver 6 is connected with the second admission port of brake activation valve 9 through the second pressure regulating valve 8 as the second air extractor duct of air receiver.
In order to reduce the volume of front braking air receiver 5 and rear braking air receiver 6, the anticyclonic pressure of front braking air receiver 5 and rear braking air receiver 6 is set to 10bar, the air pressure of giving vent to anger can drop to the 8bar standard that meets GB requirement through the first pressure regulating valve 7 and the second pressure regulating valve 8, and stable outputing on brake activation valve 9.
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 in addition, 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.
As shown in Figure 1, the air extractor duct of air compressor 1 can be connected with the admission port of main air reservoir 3 by drying device 2, to reduce air-source and the requirement of air compressor 1 own to air compressor 1.
Drg pneumatic control system principle of work of the present utility model is: in the time that car load is braked, in the past brake gas outlet 5 adjusts pressure by the first pressure regulating valve 7 to one tunnel pressurized air, after adjusting, the gas of pressure stability enters front rapid release valve 10 by the first air extractor duct of brake activation valve 9, and then enter front compressed air brake cylinder 11 by front rapid release valve 10, thereby realize propons braking.Another road pressurized air is adjusted pressure from rear braking gas outlet 6 by the second pressure regulating valve 8, after adjusting, the gas of pressure stability enters rear relay valve 12 by the second air extractor duct of brake activation valve 9, and then enter rear compressed air brake cylinder 13 by rear relay valve 12, thereby realize front-rear axle braking.
Describe structure of the present utility model, feature and action effect in detail according to illustrated embodiment 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 (5)

1. a drg pneumatic control system, is characterized in that, comprises air compressor, air receiver, the first pressure regulating valve, the second pressure regulating valve, brake activation valve, front rapid release valve and rear relay valve; The outlet of described air compressor is connected with the admission port of described air receiver; 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 pressure regulating valve is installed; In gas circuit before the admission port place of connecting of the second air extractor duct of described air receiver and the second admission port of described brake activation valve and described rear relay valve, the second pressure regulating valve is installed; The first air extractor duct of described brake activation valve is connected with the admission port of front rapid release 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 anticyclonic pressure of described front braking air receiver and rear braking air receiver is set to 10bar.
4. 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.
5. according to the pneumatic control system described in claim 1 or 2 or 4, it is characterized in that, the outlet drying device of described air compressor is connected with the admission port of described air receiver.
CN201420391251.2U 2014-07-15 2014-07-15 A kind of drg pneumatic control system Expired - Fee Related CN203958124U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420391251.2U CN203958124U (en) 2014-07-15 2014-07-15 A kind of drg pneumatic control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420391251.2U CN203958124U (en) 2014-07-15 2014-07-15 A kind of drg pneumatic control system

Publications (1)

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CN203958124U true CN203958124U (en) 2014-11-26

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106494378A (en) * 2016-09-21 2017-03-15 比亚迪股份有限公司 Rail vehicle and its Pneumatic brake systems, Rail Transit System
CN106494377A (en) * 2016-09-21 2017-03-15 比亚迪股份有限公司 Rail vehicle and its Pneumatic brake systems, Rail Transit System
CN107139909A (en) * 2017-05-23 2017-09-08 安徽江淮汽车集团股份有限公司 Automobile gases at high pressure energy conserving system
CN108925133A (en) * 2016-01-14 2018-11-30 克诺尔商用车制动系统有限公司 For controlling the control device of the braking equipment of vehicle, the braking equipment of vehicle, for the method for operating control device and in the method for at least one brake apparatus of the braking equipment of brake pressure load vehicle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108925133B (en) * 2016-01-14 2022-03-11 克诺尔商用车制动系统有限公司 Control device and related method, brake device, controller, and storage medium
CN108925133A (en) * 2016-01-14 2018-11-30 克诺尔商用车制动系统有限公司 For controlling the control device of the braking equipment of vehicle, the braking equipment of vehicle, for the method for operating control device and in the method for at least one brake apparatus of the braking equipment of brake pressure load vehicle
CN106494377A (en) * 2016-09-21 2017-03-15 比亚迪股份有限公司 Rail vehicle and its Pneumatic brake systems, Rail Transit System
CN106494377B (en) * 2016-09-21 2017-09-01 比亚迪股份有限公司 Rail vehicle and its Pneumatic brake systems, Rail Transit System
CN106494378A (en) * 2016-09-21 2017-03-15 比亚迪股份有限公司 Rail vehicle and its Pneumatic brake systems, Rail Transit System
CN107139909A (en) * 2017-05-23 2017-09-08 安徽江淮汽车集团股份有限公司 Automobile gases at high pressure energy conserving system
CN107139909B (en) * 2017-05-23 2019-04-16 安徽江淮汽车集团股份有限公司 Automobile high pressure gas energy conserving system

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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: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669

Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd

Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669

Patentee before: Anhui Jianghuai Automobile Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141126

Termination date: 20190715