CN202294765U - Pre-positioned coach brake control system - Google Patents
Pre-positioned coach brake control system Download PDFInfo
- Publication number
- CN202294765U CN202294765U CN2011203846184U CN201120384618U CN202294765U CN 202294765 U CN202294765 U CN 202294765U CN 2011203846184 U CN2011203846184 U CN 2011203846184U CN 201120384618 U CN201120384618 U CN 201120384618U CN 202294765 U CN202294765 U CN 202294765U
- Authority
- CN
- China
- Prior art keywords
- valve
- air
- brake
- back axle
- admission port
- Prior art date
- 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
Links
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
Abstract
The utility model relates to a pre-positioned coach brake control system, which comprises a brake valve, a quick relief valve and a relay valve, wherein a high-cavity gas outlet control pipeline of the brake valve is connected with the quick relief valve of a front axle, the low-cavity gas outlet control pipeline of the brake valve is connected with the relay valve of a rear axle, and the brake valve is a small-pressure-difference brake valve with high and low cavity pressure difference delta P not more than 10kPa. According to the utility model, by adjusting the system connection relation, the front axle is actuated before the rear axle; by adopting the small-pressure-difference brake valve, the response time of the upper and lower cavities can be shortened, the front axle braking response speed is increased, the overmuch brake load is not transferred to the front axle when the brake axle load is transferred, and the wear-out periods of small pre-positioned vehicle front and rear axle braking shoe plates are equalized.
Description
Technical field
The utility model relates to a kind of preposition passenger vehicle braking control system.
Background technology
Large and medium-sized passenger vehicle major part in the market is a Pneumatic braking system; Its service brake mainly is made up of brake activation valve (master cylinder), propons rapid release valve, back axle relay valve, compressed air brake cylinder (wheel cylinder), air receiver, air compressor, air dryer and relevant brake piping; Wherein the upper and lower cavity pressure reduction of brake activation valve generally selects 30kpa; Epicoele air pressure is higher than cavity of resorption air pressure; The air extractor duct of air compressor links to each other with the admission port of air dryer, and air dryer links to each other with air receiver through protective valve, and three air extractor ducts of air receiver link to each other with following (low) chamber admission port of going up (height) chamber admission port, brake activation valve of brake activation valve, the admission port of back axle relay valve respectively; (height) chamber air extractor duct of going up of brake activation valve links to each other with the control gas port of back axle relay valve; Following (low) chamber air extractor duct of brake activation valve links to each other with the admission port of propons rapid release valve, and the air extractor duct of propons rapid release valve links to each other with the admission port of propons compressed air brake cylinder, and the air extractor duct of back axle relay valve links to each other with the admission port of back axle compressed air brake cylinder.After chaufeur is stepped on brake pedal; The brake activation valve air extractor duct is opened; The admission port pressurized air respectively to propons and back axle compressed air brake cylinder, realizes service brake through control gas circuit, rapid release valve and relay valve, because the pressure reduction of brake activation valve is bigger; The braking force that back axle produced is big, and the time that propons activates just relatively lags behind.Oversize vehicle is long because of wheelbase, back axle load is big; Common braking control system can shorten back axle and brake the corresponding time, shortens stopping distance, and insensitivity might as well; And 6 meters preposition car back axle axle loads are less relatively, wheelbase is short, braking response fast (Oversize vehicle relatively); After adopting the said system master mode, vehicle back axle occurs when unloaded easily beats, and back axle brake temperature height and front and back bridge brake strap wearing and tearing non-uniform phenomenon appear at full load easily; Can cause blowing out when serious, road conditions are particularly outstanding in the mountain area for this situation.
The utility model content
The purpose of the utility model is to supply with air pressure and the inharmonious relatively front and back bridge braking excessive temperature differentials problem of bringing of distribution of axle load in order to overcome existing front and back bridge; The utility model proposes a kind of novel braking control system; Bridge is supplied with air pressure before and after can adjusting, balanced front and back bridge brake load.
The technical scheme of the utility model: a kind of preposition passenger vehicle braking control system is provided; Comprise brake activation valve, propons rapid release valve, back axle relay valve; Described brake activation valve high pitched tune air extractor duct connects the admission port of propons rapid release valve through pipeline, and the low chamber of brake activation valve air extractor duct connects the control gas port of back axle relay valve through pipeline.
Described brake activation valve is the small pressure difference brake activation valve of height cavity pressure difference △ P≤10KPa.
Described braking control system also comprises air compressor, air dryer, protective valve, air receiver, propons compressed air brake cylinder, back axle compressed air brake cylinder; The air extractor duct of air compressor links to each other with the admission port of air dryer through pipeline; The air extractor duct of air dryer links to each other with air receiver through protective valve; Three air extractor ducts of air receiver link to each other with the high pitched tune admission port of brake activation valve, the low chamber admission port of brake activation valve and the admission port of said back axle relay valve respectively; The air extractor duct of propons rapid release valve links to each other with the admission port of propons compressed air brake cylinder, and the air extractor duct of back axle relay valve links to each other with the admission port of back axle compressed air brake cylinder.
Described braking control system is applicable to 6 meters small-sized preposition passenger vehicle.
The beneficial effect of the utility model is: this system connects the propons rapid release valve through the high pitched tune air extractor duct pilot piping of brake activation valve; The low chamber air extractor duct pilot piping of brake activation valve connects the back axle relay valve; Make propons brake, and brake activation valve is the small pressure difference brake activation valve of height cavity pressure difference △ P≤10KPa, reduced height chamber response time prior to back axle; The brake load that new system is superior to the general control system distributes, the balanced bridge brake strap wear-out period before and after the small-sized preposition car.
Description of drawings
Fig. 1 is the brake piping schematic diagram of the utility model embodiment.
The specific embodiment
Be described further below in conjunction with the specific embodiment of accompanying drawing the utility model.
As shown in Figure 1; The preposition passenger vehicle braking control system of the utility model comprises: air compressor 1, air dryer 2, four-loop protection valve 3, air receiver 4, brake activation valve (△ P≤10kpa) 5, rapid release valve 6, relay valve 7, propons compressed air brake cylinder 8, back axle compressed air brake cylinder 9; Air compressor 1 is linked on the admission port of four-loop protection valve 3 through pipeline via 1 mouthful, 21 mouthfuls of air dryer 2; Four air extractor ducts of four-loop protection valve 3 all are connected with air receiver 4 respectively; The air extractor duct of an air receiver 4 links to each other with (height) chamber admission port 11 of going up of brake activation valve 5 through pipeline; Following (low) chamber admission port 12 of air extractor duct one end of another air receiver 4 and brake activation valve 5 links to each other; An admission port of the other end and relay valve 7 links to each other; Brake activation valve 5 go up (height) chamber air extractor duct 21 through 1 mouthful, the 2 mouthful admission ports of linking propons compressed air brake cylinder 8 of pipeline via rapid release valve 6, following (low) chamber air extractor duct 22 of brake activation valve 5 is linked the control gas port of relay valve 7 through pipeline, two air extractor ducts of relay valve 7 link to each other with the admission port of two back axle compressed air brake cylinders 9 through pipeline.
Its working process is following: engine compressor 1 is the energy supply mechanism of whole brake system, after air dryer 2 filters moisture, by four-loop protection valve 3 gas is distributed to stored energy mechanism air receiver 4 from the high pressure gas of air compressor output; When chaufeur is stepped on brake pedal; (height) chamber propons control gas circuit that goes up of brake activation valve 5 arrives propons compressed air brake cylinder 8 through 21 mouthfuls through rapid release valve 6, and (low) chamber back axle control gas circuit opens the air intake valve of relay valve 7 through 22 mouthfuls of control gas ports through relay valve 7 down; Air in the air receiver 4 directly enters in the relay valve 7; And the air extractor duct through relay valve 7 arrives back axle compressed air brake cylinder 9, realize travelling gantry frame braking function before and after the car load, and propons activates prior to back axle; Before and after bridge braking response time gap short, balanced before and after the bridge brake strap wear-out period.
Claims (3)
1. preposition passenger vehicle braking control system; Comprise brake activation valve, propons rapid release valve, back axle relay valve; It is characterized in that: described brake activation valve high pitched tune air extractor duct connects the admission port of propons rapid release valve through pipeline, and the low chamber of brake activation valve air extractor duct connects the control gas port of back axle relay valve through pipeline.
2. preposition passenger vehicle braking control system according to claim 1 is characterized in that: described brake activation valve is the small pressure difference brake activation valve of height cavity pressure difference △ P≤10KPa.
3. preposition passenger vehicle braking control system according to claim 2; It is characterized in that: described braking control system also comprises air compressor, air dryer, protective valve, air receiver, propons compressed air brake cylinder, back axle compressed air brake cylinder; The air extractor duct of air compressor links to each other with the admission port of air dryer through pipeline; The air extractor duct of air dryer links to each other with air receiver through protective valve; Three air extractor ducts of air receiver link to each other with the high pitched tune admission port of brake activation valve, the low chamber admission port of brake activation valve and the admission port of said back axle relay valve respectively; The air extractor duct of propons rapid release valve links to each other with the admission port of propons compressed air brake cylinder, and the air extractor duct of back axle relay valve links to each other with the admission port of back axle compressed air brake cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203846184U CN202294765U (en) | 2011-10-11 | 2011-10-11 | Pre-positioned coach brake control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203846184U CN202294765U (en) | 2011-10-11 | 2011-10-11 | Pre-positioned coach brake control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202294765U true CN202294765U (en) | 2012-07-04 |
Family
ID=46363716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203846184U Expired - Fee Related CN202294765U (en) | 2011-10-11 | 2011-10-11 | Pre-positioned coach brake control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202294765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532804A (en) * | 2018-11-09 | 2019-03-29 | 浙江吉利新能源商用车有限公司 | A kind of control system and control method for vehicle air compressor machine |
| CN114734971A (en) * | 2022-04-29 | 2022-07-12 | 三一电动车科技有限公司 | Vehicle brake control system, control method and vehicle |
-
2011
- 2011-10-11 CN CN2011203846184U patent/CN202294765U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532804A (en) * | 2018-11-09 | 2019-03-29 | 浙江吉利新能源商用车有限公司 | A kind of control system and control method for vehicle air compressor machine |
| CN114734971A (en) * | 2022-04-29 | 2022-07-12 | 三一电动车科技有限公司 | Vehicle brake control system, control method and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104875732A (en) | Brake control system and method for semi-trailer train | |
| CN101508287B (en) | Electropneumatic brake method and system with fault complementation control based on single-axle control | |
| CN104192120A (en) | Control method of trailer control valve | |
| CN201143928Y (en) | Light cargo vehicle brake fluid system with load proportional valve | |
| CN202294765U (en) | Pre-positioned coach brake control system | |
| WO2023273399A1 (en) | System and method for improving mitigation performance of heavy-duty train | |
| CN209505724U (en) | Unmanned and manned line traffic control gas braking system can be switched in one kind | |
| CN205202987U (en) | 8 8 ABS anti -lock braking system of cross country vehicle | |
| CN207128878U (en) | A kind of quarry tipper air-operated hydraulic brake system | |
| CN203601258U (en) | Engineering vehicle chassis brake control system and crane | |
| CN105564413A (en) | Intelligent vehicle braking managing control system, method, device | |
| CN202574192U (en) | Pneumatic and electric dual-purpose multifunctional brake control device | |
| CN206450422U (en) | Electric motor coach composite braking hardware-in―the-loop test platform based on electric controlled brake system | |
| CN201989781U (en) | Safety brake system capable of preventing vehicle with excessively low air pressure from running | |
| CN214648203U (en) | Pneumatic braking system of tractor | |
| CN212386470U (en) | Intelligent digital electric control air brake valve for automobile | |
| CN202368566U (en) | Pneumatically braked vehicle and vehicle brake control device thereof | |
| CN201217435Y (en) | Control-by-wire brake system for towing vehicle | |
| CN204775206U (en) | ABS pneumatic control system | |
| CN201834006U (en) | Adjustable three-axle synchronous relay valve | |
| CN201703370U (en) | Flow control type three-axle synchronous quick-release emergency relay valve | |
| CN203005403U (en) | Pneumatic control type assistant braking device for truck | |
| CN202138372U (en) | Pneumatic brake vehicle and rear wheel brake control device thereof | |
| CN202080265U (en) | Pneumatic braked vehicle and vehicle brake control device thereof | |
| CN103523001B (en) | Engineering vehicle chassis braking control system and hoisting crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120704 Termination date: 20171011 |