CN203094041U - Parking braking quick removing device for diesel vehicle - Google Patents
Parking braking quick removing device for diesel vehicle Download PDFInfo
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- CN203094041U CN203094041U CN 201320070433 CN201320070433U CN203094041U CN 203094041 U CN203094041 U CN 203094041U CN 201320070433 CN201320070433 CN 201320070433 CN 201320070433 U CN201320070433 U CN 201320070433U CN 203094041 U CN203094041 U CN 203094041U
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model relates to a parking braking quick removing device for a diesel vehicle. The parking braking quick removing device comprises an air compressor (1), the air compressor (1) is connected with a dryer (3) through a pressure regulating valve (2), the dryer (3) is connected with a wet air cylinder (5), the wet air cylinder (5) is connected with a four-circuit protection valve (6), the four-circuit protection valve (6) is connected with a front bidirectional valve (10) through a hand brake (9), and the front bidirectional valve (10) is connected between two composite braking air chambers (12). The parking braking quick removing device is characterized in that a four-way electric control valve (4) is connected on a pipeline between the dryer (3) and the wet air cylinder (5), the four-way electric control valve (4) is connected with a rear bidirectional valve (11), and the rear bidirectional valve (11) is connected on a pipeline between the front bidirectional valve (10) and the composite braking air chambers (12). The parking braking quick removing device has the advantages that the device is quick in parking braking removing speed, change on a braking pipeline of an original vehicle is little, braking can still be removed when the braking pipeline leaks air, and braking can be achieved in emergency after braking is removed.
Description
Technical field
The utility model relates to a kind of vehicle contact brake equipment, the quick decontrol of particularly a kind of diesel-powered vehicle braking during standstill.
Background technology
The diesel oil transport trolley of organizational equipment adopts the combined type compressed air brake cylinder more at present, and the propulsion source of its braking during standstill is from storage tank or four-loop protection valve.Owing to the problem that the air receiver air pressure holding time falls short of behind structure and the manufacturing reason ubiquity vehicle immobilization, after parking for a long time, vehicle air pressure drops to zero easily, and the vehicle inflation need take a long time.When emergency situation takes place, adopts existing commonly used emergent brake off method not only consuming time long and to instrument with operate requirement to some extent, will bungle the chance of winning a battle in the time of seriously.Through extensively retrieval, still find no relevant technical scheme.
The utility model content
The purpose of this utility model is in order to solve shortcomings such as diesel-powered vehicle brake off time present stage is long, and the quick decontrol of a kind of diesel-powered vehicle braking during standstill that proposes.
To achieve these goals, the utility model has adopted following technical scheme:
The quick decontrol of a kind of diesel-powered vehicle braking during standstill; comprise Air compressor; Air compressor is by the plumbing connection pressure regulating valve; pressure regulating valve connects dryer; dryer connects wet air receiver; wet air receiver connects four-loop protection valve, and four-loop protection valve links to each other with hand braking with preceding air receiver, back air receiver respectively again.Two-way valve before the hand braking connection, preceding two-way valve connects the back air receiver by relay valve, before two-way valve again by plumbing connection between two composite brakig air chambers, connecting tube between relay valve and the preceding two-way valve is connected with pipeline between two composite brakig air chambers, it is characterized in that: connect the four-way electrically-controlled valve on the pipeline between dryer and the wet air receiver, the four-way electrically-controlled valve is by two-way valve behind the plumbing connection.On the pipeline before back two-way valve is arranged between two-way valve and the composite brakig air chamber.
On the basis of technique scheme, following further technical scheme can be arranged:
Described four-way electrically-controlled valve comprises valve body, front end at valve body is provided with admission port, admission port is by the plumbing connection dryer, be respectively equipped with air receiver air extractor duct and spring brake cylinder air extractor duct in the rear end of valve body, air receiver air extractor duct and wet air receiver are by plumbing connection, and the spring brake cylinder air extractor duct passes through plumbing connection with the back two-way valve.Side at valve body is provided with exhausr port.Be provided with control cock in valve body, an end of control cock runs through valve body, the other end connects drain tap, and drain tap matches with exhausr port, and drain tap is connected on the valve body by exhaust spring, also is provided with through hole on the control cock.Be respectively equipped with cowl board and rear bulkhead in the inside of valve body, be provided with the level pressure valve on rear bulkhead, the constant pressure valve door is connected on the valve body by the level pressure spring, and control cock and cowl board and rear bulkhead are sealed and matched.
Described four-way electrically-controlled valve connects electromagnetic valve, electromagnetic valve connects power supply and pressure switch respectively by lead, pressure switch is arranged on the air receiver of back, pressure switch connects brake switch by lead, brake switch is arranged on the interior pedal of operator's compartment, brake switch connects manual switch by lead, and manual switch is arranged in the operator's compartment, and manual switch passes through wire connecting power.
Advantage of the present utility model is: it is fast that this device is removed braking during standstill speed; Change little to former vehicle braked pipeline; But in brake piping when gas leakage, be brake off still; Running into emergency behind brake off still can brake.
Description of drawings
Fig. 1 is a basic structure scheme drawing of the present utility model;
Fig. 2 is the constructional drawing of four-way electrically-controlled valve;
Fig. 3 is the control principle figure of electromagnetic valve.
The specific embodiment
As shown in Figure 1; the quick decontrol of diesel-powered vehicle braking during standstill that the utility model provides; comprise Air compressor 1; Air compressor 1 is by plumbing connection pressure regulating valve 2; pressure regulating valve 2 connects dryer 3; dryer 3 connects wet air receiver 5; wet air receiver 5 connects four-loop protection valve 6; four-loop protection valve 6 again respectively with preceding air receiver 7a; back air receiver 7b links to each other with hand braking 9; hand braking 9 connect preceding two-way valve 10; preceding two-way valve 10 connects back air receiver 7b by relay valve 8; before two-way valve 10 again by plumbing connection on the pipeline between two composite brakig air chambers 12; connecting tube between relay valve 8 and the preceding two-way valve 10 is connected with pipeline between two composite brakig air chambers 12, it is characterized in that:
Connect four-way electrically-controlled valve 4 on the pipeline between dryer 3 and the wet air receiver 5, four-way electrically-controlled valve 4 is by two-way valve 11 behind the plumbing connection.On the pipeline before back two-way valve 11 is arranged between two-way valve 10 and the composite brakig air chamber 12.
As shown in Figure 2, described four-way electrically-controlled valve 4 comprises valve body 4m, front end at valve body 4m is provided with admission port 4a, admission port 4a is by plumbing connection dryer 3, be respectively equipped with air receiver air extractor duct 4b and spring brake cylinder air extractor duct 4c in the rear end of valve body 4m, air receiver air extractor duct 4b and wet air receiver 5 pass through plumbing connection, spring brake cylinder air extractor duct 4c passes through plumbing connection with back two-way valve 11, side at valve body 4m is provided with exhausr port 4d, in valve body 4m, be provided with control cock 4e, the end of control cock 4e runs through valve body 4m, the other end connects drain tap 4f, drain tap 4f matches with exhausr port 4d, drain tap 4f is connected on the valve body 4m by exhaust spring 4i, also be provided with through hole 4g on the control cock 4e, be respectively equipped with cowl board N and rear bulkhead M in the inside of valve body 4m, on rear bulkhead M, be provided with level pressure valve 4j, level pressure valve 4j is connected on the valve body 4m by level pressure spring 4h, and control cock 4e and cowl board N and rear bulkhead M are sealed and matched four-way electrically-controlled valve 4 is divided into A, B, three chambeies of C.The A chamber can be communicated with by through hole 4g with the C chamber with B chamber and A chamber.
Control cock 4e on the described four-way electrically-controlled valve 4 connects electromagnetic valve 13.As shown in Figure 3, described electromagnetic valve 13 connects power supply 14 and pressure switch 15 respectively by lead, pressure switch 15 is arranged on the air receiver 7b of back, pressure switch 15 connects brake switch 16 by lead, brake switch 16 is arranged on the interior pedal of operator's compartment, brake switch 16 connects manual switch 17 by lead, and manual switch 17 is arranged in the operator's compartment, and manual switch 17 is by wire connecting power 14.
Principle of work
When the gas deficiency of air receiver, diesel-powered vehicle needs the emergency unchaining glancing impact, presses manual switch electromagnetic valve is switched on, and the control cock of electromagnetic valve pulling four-way electrically-controlled valve moves down.Gas enters the A chamber by admission port and enters the C chamber through the through hole of control cock, pressing down exhaust spring when control cock moves down closes drain tap, gas enters back two-way valve (effect of back two-way valve be control inflated to spring brake cylinder by four-way electrically-controlled valve or former pipeline) by brake application by spring air chamber air extractor duct, inflates being entered to the brake application by spring air chamber by back two-way valve.Because brake application by spring air chamber volume is little, very fast inflation finishes to brake and removes, and vehicle can travel this moment.When the gas of air receiver was sufficient, the pressure of its generation was bigger, and pressure switch is opened the electromagnetic valve outage, and gas enters the A chamber by admission port and enters the B chamber through the through hole of control cock, and gas is according to original path brake off.
After braking is removed, when the C chamber reaches certain pressure, under the effect of gaseous tension, promote the elastic force that the level pressure valve overcomes the level pressure spring, make the level pressure valve open, gas enters the B chamber by the C chamber, and can put on the air this moment to air receiver.
If (under the not enough situation of air receiver air pressure) needs braking in emergency unchaining braking back, step on brake pedal, the four-way electrically-controlled valve is closed under the brake switch effect, at this moment, under the exhaust spring effect, drain tap is opened, and the brake application by spring gas in the jar enters the C chamber by air extractor duct under spring pressure, discharge atmosphere by blow off valve e, vehicle produces braking.
Claims (4)
1. quick decontrol of diesel-powered vehicle braking during standstill; comprise Air compressor (1); Air compressor (1) is by plumbing connection pressure regulating valve (2); pressure regulating valve (2) connects dryer (3); dryer (3) connects wet air receiver (5); wet air receiver (5) connects four-loop protection valve (6); four-loop protection valve (6) links to each other with hand braking (9) with back air receiver (7b) respectively again; two-way valve (10) before hand braking (9) connect; preceding two-way valve (10) connects back air receiver (7b) by relay valve (8); before two-way valve (10) again by plumbing connection between two composite brakig air chambers (12), it is characterized in that:
A, connect four-way electrically-controlled valve (4) on the pipeline between dryer (3) and the wet air receiver (5), four-way electrically-controlled valve (4) is by two-way valve (11) behind the plumbing connection;
B, back two-way valve (11) are arranged on the pipeline between preceding two-way valve (10) and the composite brakig air chamber 12.
2. the quick decontrol of a kind of diesel-powered vehicle braking during standstill according to claim 1, it is characterized in that: described four-way electrically-controlled valve (4) comprises valve body (4m), front end at valve body (4m) is provided with admission port (4a), admission port (4a) is by plumbing connection dryer (3), be respectively equipped with air receiver air extractor duct (4b) and spring brake cylinder air extractor duct (4c) in the rear end of valve body (4m), air receiver air extractor duct (4b) passes through plumbing connection with wet air receiver (5), spring brake cylinder air extractor duct (4c) passes through plumbing connection with back two-way valve (11), side at valve body (4m) is provided with exhausr port (4d), in valve body (4m), be provided with control cock (4e), one end of control cock (4e) runs through valve body (4m), the other end connects drain tap (4f), drain tap (4f) matches with exhausr port (4d), drain tap (4f) is connected on the valve body (4m) by exhaust spring (4i), also be provided with through hole (4g) on the control cock (4e), be respectively equipped with cowl board (N) and rear bulkhead (M) in the inside of valve body (4m), on rear bulkhead (M), be provided with level pressure valve (4j), level pressure valve (4j) is connected on the valve body (4m) by level pressure spring (4h), and control cock (4e) is sealed and matched with cowl board (N) and rear bulkhead (M).
3. according to claim 1 and the quick decontrol of 2 described a kind of diesel-powered vehicle braking during standstills, it is characterized in that: described four-way electrically-controlled valve (4) connects electromagnetic valve (13).
4. the quick decontrol of a kind of diesel-powered vehicle braking during standstill according to claim 3, it is characterized in that: described electromagnetic valve (13) connects power supply (14) and pressure switch (15) respectively by lead, pressure switch (15) is arranged on the back air receiver (7b), pressure switch (15) connects brake switch (16) by lead, brake switch (16) is arranged on the interior pedal of operator's compartment, brake switch (16) connects manual switch (17) by lead, manual switch (17) is arranged in the operator's compartment, and manual switch (17) is by wire connecting power (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070433 CN203094041U (en) | 2013-02-07 | 2013-02-07 | Parking braking quick removing device for diesel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070433 CN203094041U (en) | 2013-02-07 | 2013-02-07 | Parking braking quick removing device for diesel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203094041U true CN203094041U (en) | 2013-07-31 |
Family
ID=48845472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320070433 Expired - Fee Related CN203094041U (en) | 2013-02-07 | 2013-02-07 | Parking braking quick removing device for diesel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203094041U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072561A (en) * | 2013-02-07 | 2013-05-01 | 郭玉 | Parking braking releasing device for automobile |
| CN107200005A (en) * | 2017-05-24 | 2017-09-26 | 三江瓦力特特种车辆有限公司 | A kind of air-channel system on vehicle carried well repairing machine chassis |
| CN107685725A (en) * | 2017-07-25 | 2018-02-13 | 湖北航天技术研究院特种车辆技术中心 | A kind of air supply system on hybrid power chassis |
-
2013
- 2013-02-07 CN CN 201320070433 patent/CN203094041U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103072561A (en) * | 2013-02-07 | 2013-05-01 | 郭玉 | Parking braking releasing device for automobile |
| CN107200005A (en) * | 2017-05-24 | 2017-09-26 | 三江瓦力特特种车辆有限公司 | A kind of air-channel system on vehicle carried well repairing machine chassis |
| CN107200005B (en) * | 2017-05-24 | 2023-09-26 | 三江瓦力特特种车辆有限公司 | Gas circuit system of vehicle-mounted workover rig chassis |
| CN107685725A (en) * | 2017-07-25 | 2018-02-13 | 湖北航天技术研究院特种车辆技术中心 | A kind of air supply system on hybrid power chassis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140207 |