CN209505724U - Unmanned and manned line traffic control gas braking system can be switched in one kind - Google Patents
Unmanned and manned line traffic control gas braking system can be switched in one kind Download PDFInfo
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- CN209505724U CN209505724U CN201920174518.5U CN201920174518U CN209505724U CN 209505724 U CN209505724 U CN 209505724U CN 201920174518 U CN201920174518 U CN 201920174518U CN 209505724 U CN209505724 U CN 209505724U
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- 238000012360 testing method Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model, which announces one kind, can be switched unmanned and manned line traffic control gas braking system, belong to unmanned technical field.Rear axle brake circuit: rear gas receiver connects foot brake valves, the first proportioning valve, and foot brake valves, the first proportioning valve are separately connected first the first, second control terminal of differential relay valve；Gas receiver and rear axle gas chamber after the connection of first differential relay valve inlet, outlet；Preceding bridge brake circuit is similar to rear axle brake circuit；Parking brake loop: playing gas receiver connection hand brake valve, manual solenoid valve, and hand brake valve, manual solenoid valve are separately connected the first, second control terminal of third differential relay valve；The connection of third differential relay valve inlet, outlet plays gas receiver and preceding bridge gas chamber, rear axle gas chamber.The utility model realizes the unmanned braking of line traffic control gas braking, the safety of Lai Tigao car steering by the parking braking for cut-offfing control vehicle of manual solenoid valve by the service brake of wire controlled proportional valve control vehicle.
Description
Technical field
The utility model relates to unmanned technical fields, and more specifically one kind can be switched unmanned and manned
Line traffic control gas braking system.
Background technique
With the development of automobile industry, research of the unmanned technology on automobile is more and more deep, unmanned at present
Mostly using passenger car as carrier, passenger car braking system is hydraulic braking for the research of technology.And commercial truck and certain special cars
Mainly based on gas braking, be divided into service brake, parking braking, emergency brake and auxiliary brake function, gas braking also at
For the hot spot studied recently, there is not the technology of mature unmanned gas braking also at present.
Summary of the invention
In order to solve the above technical problems, the utility model, which provides one kind, can be switched unmanned and manned line traffic control gas
Braking system realizes the unmanned braking of line traffic control gas braking, the safety of Lai Tigao car steering.
The utility model is achieved through the following technical solutions: one kind can be switched unmanned and manned line traffic control gas and stops
Braking system,
First access in gas receiver gas outlet connection foot brake valves afterwards, foot brake valves the first access other end connection the
First control terminal of one differential relay valve；Gas receiver gas outlet is also connected with the first proportioning valve, the connection of the first proportioning valve after described
Second control terminal of first differential relay valve；Gas receiver gas outlet connects the air inlet of first differential relay valve after described
Mouthful, the gas outlet of the first differential relay valve connects rear axle gas chamber；
Preceding gas receiver gas outlet connects alternate path in the foot brake valves, foot brake valves alternate path other end connection the
First control terminal of two differential relay valves；The preceding gas receiver gas outlet is also connected with the second proportioning valve, the connection of the second proportioning valve
Second control terminal of second differential relay valve；The preceding gas receiver gas outlet connects the air inlet of second differential relay valve
Mouthful, bridge gas chamber before the gas outlet of the second differential relay valve connects；
It plays gas receiver gas outlet and connects hand brake valve, the first control of the hand brake valve connection third differential relay valve
End；The bullet gas receiver gas outlet is also connected with manual solenoid valve, and manual solenoid valve connects the of the third differential relay valve
Two control terminals；The air inlet for playing gas receiver gas outlet and connecting the third differential relay valve, third differential relay valve go out
Bridge gas chamber, rear axle gas chamber before port connects.
It is further: the manual control solenoid valve connection double-way check valve input end, the double-way check valve outlet end connects
Connect the second control terminal of the third differential relay valve；The gas outlet of first differential relay valve connects the double-way check valve
Another input end.
Air compressor machine is connected with combination type air drier, gas receiver, preceding gas storage after the connection of combination type air drier is described
Cylinder and bullet gas receiver；The bullet gas receiver has auxiliary gas receiver, is connected between auxiliary gas receiver and combination type air drier
Test splice.
Discharging valve is equipped on gas receiver, preceding gas receiver, auxiliary gas receiver and bullet gas receiver after described.
Rear gas storage pressure sensor is connected between the first access in the rear gas receiver gas outlet and foot brake valves；Before described
Gas storage pressure sensor before being connected between alternate path in gas receiver gas outlet and foot brake valves.
The gas outlet of the third differential relay valve is equipped with quick release valve into the pipeline between preceding bridge gas chamber.
The foot brake valves are connected with foot brake lamp switch.
The third differential relay valve is connected with hand brake indicator switch.
The utility model increases proportioning valve and manual solenoid valve in original gas brake system, and wherein proportioning valve can be according to electricity
Signal controls output pressure size, may replace service brake, cut-offfing for manual solenoid valve control gas circuit is equivalent to parking brake.
Compared with prior art, the utility model has the beneficial effects that using differential relay valve, there are two the excellent of control mouth
Point passes through the parking system for cut-offfing control vehicle of manual solenoid valve by the service brake of wire controlled proportional valve control vehicle
It is dynamic, it can be applied to the more gas braking vehicles for being not limited to 4 × 2 vehicles；The gas braking system be suitable for simultaneously manually and
Automatically, the unmanned braking of line traffic control gas braking, the safety of Lai Tigao car steering be can be realized.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
In figure: 1, air compressor machine；2, combination type air drier；3, gas receiver is played；4, auxiliary gas receiver；5, preceding gas receiver；6,
Gas receiver afterwards；7, discharging valve；8, test splice；9, foot brake valves；10, foot brake lamp switch；11, preceding gas storage pressure sensor；12,
Gas storage pressure sensor afterwards；13-1, the first proportioning valve；13-2, the second proportioning valve；14-1, the first differential relay valve；14-2, second
Differential relay valve；14-3, (schematic diagram without marking in detail) third differential relay valve；15, hand brake valve；16, hand braking lamp is opened
It closes；17, quick release valve；18, preceding bridge gas chamber；19, rear axle gas chamber；20, manual solenoid valve；21, double-way check valve.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, unmanned and manned line traffic control gas braking system can be switched in one kind, for air circuit by sky
Press 1, combination type air drier 2 play gas receiver 3, auxiliary gas receiver 4, preceding gas receiver 5, rear gas receiver 6, discharging valve 7 and test
Connector 8 forms.Air compressor machine 1 connects combination type air drier 2, gas receiver 6, preceding gas storage after combination type air drier 2 connects
Cylinder 5, auxiliary gas receiver 4 and bullet gas receiver 3.Setting test connects in connecting line between auxiliary gas receiver 4 and combination type air drier 2
First 8.At work: clean air is after the compression of air compressor machine 1, using combination type air drier 2 by the impurity in air
And moisture removal, it finally distributes to and plays gas receiver 3, auxiliary gas receiver 4, preceding gas receiver 5 and rear gas receiver 6, which is vehicle brake
Vehicle provides sufficient gas source, keeps gas receiver air pressure to maintain 0.8-1.05Mpa(different vehicle adjustable) between.
Rear axle brake circuit:
First access in 6 gas outlet of gas receiver connection foot brake valves 9 afterwards, the 9 first access other end of foot brake valves connection the
The first control terminal of one differential relay valve 14-1；After being connected between first access in 6 gas outlet of gas receiver and foot brake valves 9 afterwards
Gas storage pressure sensor 12；Foot brake valves 9 are connected with foot brake lamp switch 10.6 gas outlet of gas receiver connects the first proportioning valve 13- afterwards
1, the second control terminal of first proportioning valve 13-1 the first differential relay valve of connection 14-1.The connection first of 6 gas outlet of gas receiver is poor afterwards
The gas outlet of the air inlet of dynamic relay valve 14-1, the first differential relay valve 14-1 connects rear axle gas chamber 19.
Manned control loop:
By rear 6 → foot brake valves of gas receiver, 9 11 → outlet of import, 21 → the first differential relay valve 14-1 control mouths 41, constitute
The manned control loop of vehicle rear axle brake circuit；
Unmanned control loop:
By 6 → the first 1 → outlet of proportioning valve 13-1 import, 2 → the first differential relay valve 14-1 control mouths 42 of rear gas receiver,
Constitute the unmanned control loop of vehicle rear axle brake circuit；
Manned and unmanned rear axle control loop control is all the first differential relay valve 14-1, and one is by people
It controls foot brake valves 9 and carries out Linear Control, one is to control the first proportioning valve 13-1 by electric signal to carry out Linear Control.
Manned execution circuit:
By the air inlet of rear 6 → the first 1 → outlet of differential relay valve 14-1 import, 21 → rear axle gas chamber of gas receiver, vehicle is constituted
The manned execution circuit of rear axle brake circuit；
Unmanned execution circuit:
By the air inlet of rear 6 → the first 1 → outlet of differential relay valve 14-1 import, 21 → rear axle gas chamber of gas receiver, vehicle is constituted
The unmanned execution circuit of rear axle brake circuit；
It is identical that manned and unpiloted rear axle, which executes circuit, the difference is that from the first differential relay valve 14-1
Import 1 → outlet 21, it is the first differential relay valve 14-1 control mouth 41 that one, which is control, and it is first differential that one, which is control,
Relay valve 14-1 control mouth 42.
Preceding bridge brake circuit:
Alternate path in preceding 5 gas outlet of gas receiver connection foot brake valves 9, the 9 alternate path other end of foot brake valves connection the
The first control terminal of two differential relay valve 14-2；Before being connected between alternate path in preceding 5 gas outlet of gas receiver and foot brake valves 9
Gas storage pressure sensor 11.The second proportioning valve of preceding 5 gas outlet of gas receiver connection 13-2, the second proportioning valve 13-2 connection second it is differential after
The second control terminal of dynamic valve 14-2.Preceding 5 gas outlet of gas receiver connects the air inlet of the second differential relay valve 14-2, second it is differential after
The preceding bridge gas chamber 18 on the connection right side of gas outlet 21 of dynamic valve 14-2, the connection left side of gas outlet 22 of the second differential relay valve 14-2
Preceding bridge gas chamber 18.
Manned control loop:
By preceding 5 → foot brake valves of gas receiver, 9 11 → outlet of import, 22 → the second differential relay valve 14-2 control mouths 41, constitute
The manned control loop of bridge brake circuit before vehicle；
Unmanned control loop:
By 5 → the second 1 → outlet of proportioning valve 13-2 import, 2 → the second differential relay valve 14-2 control mouths 42 of preceding gas receiver,
The unmanned control loop of bridge brake circuit before composition vehicle；
Manned and unmanned preceding bridge control loop control is all the second differential relay valve 14-2, and one is by people
It controls foot brake valves 9 and carries out Linear Control, one is to control the second proportioning valve 13-2 by electric signal to carry out Linear Control.
Manned execution circuit:
By 5 → the second 1 → outlet of differential relay valve 14-2 import 21 of preceding gas receiver, outlet 22 → preceding bridge or so gas chamber into
Port constitutes the manned execution circuit of bridge brake circuit before vehicle；
Unmanned execution circuit:
By preceding 5 → the second 1 → outlet of differential relay valve 14-2 import 21 of gas receiver, the air inlet of outlet 22 → preceding bridge gas chamber
Mouthful, constitute the unmanned execution circuit of bridge brake circuit before vehicle；
It is identical that manned and unpiloted preceding bridge, which executes circuit, the difference is that from the second differential relay valve 14-2
Import 1 → outlet 21, outlet 22, it is the second differential relay valve 14-2 control mouth 41 that one, which is control, and one is that control is
Second differential relay valve 14-2 control mouth 42.
Parking brake loop:
It plays 3 gas outlet of gas receiver and connects hand brake valve 15, hand brake valve 15 connects the first of third differential relay valve 14-3
Control terminal；It plays 3 gas outlet of gas receiver and connects manual solenoid valve 20, manual solenoid valve 20 connects the of third differential relay valve 14-3
Two control terminals.Third differential relay valve 14-3 is connected with hand brake indicator switch 16.Play 3 gas outlet of gas receiver connection third it is differential after
The air inlet of dynamic valve 14-3, bridge gas chamber 18, third differential relay valve 14- before the gas outlet 21 of third differential relay valve 14-3 connects
3 gas outlet 22 connects rear axle gas chamber 19, and hand brake indicator switch 16 is mounted in the gas circuit of rear axle gas chamber 19.The differential servo of third
The gas outlet of valve 14-3 is equipped with quick release valve 17 into the pipeline between preceding bridge gas chamber 18.
Manned parking brake loop:
Gone out by 3 → hand brake valve of bullet gas receiver, 15 import 1 → exporting 21 → third differential relay valve 14-3 control mouth 41 →
Mouthful 21 mouthfuls, 22 mouthfuls constitute bridge parking brake loop before manned vehicle wherein 21 mouthfuls → quick release valve → preceding bridge gas chamber, and 22 mouthfuls
→ rear axle gas chamber constitutes manned vehicle rear axle parking brake loop；
Unpiloted parking brake loop:
Gone out by 20 import 1 → exporting 2 → third differential relay valve 14-3 control mouth 42 → of bullet gas receiver 3 → manual control solenoid valve
Mouthful 21 mouthfuls, 22 mouthfuls, wherein 21 mouthfuls → preceding bridge quick release valve → preceding bridge gas chamber, bridge parking brake loop before automatic driving vehicle is constituted,
22 mouthfuls → rear axle gas chamber constitutes automatic driving vehicle rear axle parking brake loop；
Manned and unpiloted parking brake loop control is third differential relay valve 14-3:
One be by people control hand brake valve 15 carry out cut-offfing control, when hand control valve 15 is opened, hand brake valve 15 into
Mouthful 1 and outlet 21 communicate, 1 mouthful of control third differential relay valve 14-3 and 21 mouthfuls, 22 mouthfuls of outlet communicate, and form parking and release system
Dynamic circuit, when hand control valve 15 is closed, the air inlet 1 of hand brake valve 15 and gas outlet 21 are closed, 21 mouthfuls with 3 phase of exhaust outlet
It is logical, form parking brake loop；
One is to control manual solenoid valve 20 by electric signal to carry out cut-offfing control, manual when manual solenoid valve 20 is opened
The import 1 and outlet 2 of solenoid valve 20 communicate, and 21 mouthfuls, 22 mouthfuls with outlet of 1 mouthful of control third differential relay valve 14-3 communicate, shape
Brake circuit is released at parking, when manual solenoid valve 20 is closed, the air inlet 1 of manual solenoid valve 20 and gas outlet 2 are closed, and 2
Mouth is communicated with exhaust outlet 3, forms parking brake loop.
Brake excess load protective loop:
Manual solenoid valve 20 connects 21 input end of double-way check valve, and 21 outlet end of double-way check valve connects the differential servo of third
The second control terminal of valve 14-3；The gas outlet of first differential relay valve 14-1 connects another input end of double-way check valve 21.
It is manned identical with unpiloted protective loop:
By 6 → the first 1 → outlet of differential relay valve 14-1 import, 21 → double-way check valve → third of rear gas receiver it is differential after
Dynamic valve 14-3 control mouth 42, constitutes brake excess load protective loop, prevents service brake and parking braking while generating braking
Power avoids double brake from causing the excess load of mechanical transfer element.
The use condition of manned and unmanned braking system:
When manned, it is ensured that the import 1 of manual solenoid valve 20 and outlet 2 are closures, the first proportioning valve 13-1, the
Two proportioning valve 13-2 imports 1 and outlet 2 are closures；
When unmanned, it is ensured that hand brake valve 15 is braking state, and vehicle controls the linear of proportioning valve by electric signal
Opening and closing carries out service brake control, and vehicle controls cut-offfing for manual solenoid valve by electric signal and carries out parking braking control.
The present embodiment braking system increases proportioning valve and manual solenoid valve in original gas brake system, and wherein proportioning valve can
Output pressure size is controlled according to electric signal, may replace service brake, cut-offfing for manual solenoid valve control gas circuit is equivalent to parking brake.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. unmanned and manned line traffic control gas braking system can be switched in one kind, it is characterised in that:
First access in gas receiver (6) gas outlet connection foot brake valves (9) afterwards, (9) the first access other end of foot brake valves
Connect the first control terminal of the first differential relay valve (14-1)；Gas receiver (6) gas outlet is also connected with the first proportioning valve after described
(13-1), the first proportioning valve (13-1) connect the second control terminal of first differential relay valve (14-1)；Gas receiver after described
(6) gas outlet connects the air inlet of first differential relay valve (14-1), and the gas outlet of the first differential relay valve (14-1) connects
Connect rear axle gas chamber (19)；
Preceding gas receiver (5) gas outlet connects alternate path in the foot brake valves (9), foot brake valves (9) alternate path other end
Connect the first control terminal of the second differential relay valve (14-2)；Preceding gas receiver (5) gas outlet is also connected with the second proportioning valve
(13-2), the second proportioning valve (13-2) connect the second control terminal of second differential relay valve (14-2)；The preceding gas receiver
(5) gas outlet connects the air inlet of second differential relay valve (14-2), and the gas outlet of the second differential relay valve (14-2) connects
Bridge gas chamber (18) before connecing；
Gas receiver (3) gas outlet connection hand brake valve (15) is played, the hand brake valve (15) connects third differential relay valve (14-
3) the first control terminal；Bullet gas receiver (3) gas outlet is also connected with manual solenoid valve (20), manual solenoid valve (20) connection
Second control terminal of the third differential relay valve (14-3)；The bullet gas receiver (3) gas outlet connect the third it is differential after
The air inlet of dynamic valve (14-3), bridge gas chamber (18), rear axle gas chamber (19) before the gas outlet of third differential relay valve (14-3) connects.
2. unmanned and manned line traffic control gas braking system can be switched in one kind according to claim 1, special
Sign is:
The manual control solenoid valve (20) connects double-way check valve (21) input end, and double-way check valve (21) outlet end connects institute
State the second control terminal of third differential relay valve (14-3)；The gas outlet connection of first differential relay valve (14-1) is described double
Logical check valve (21) another input end.
3. unmanned and manned line traffic control gas braking system can be switched in one kind according to claim 1, special
Sign is: air compressor machine (1) is connected with combination type air drier (2), gas receiver after combination type air drier (2) connection is described
(6), preceding gas receiver (5) and bullet gas receiver (3)；The bullet gas receiver (3) has auxiliary gas receiver (4), auxiliary gas receiver (4) and group
Test splice (8) are connected between box-like air dryer (2).
4. unmanned and manned line traffic control gas braking system can be switched in one kind according to claim 3, special
Sign is: being equipped with discharging valve (7) on gas receiver (6), preceding gas receiver (5), auxiliary gas receiver (4) and bullet gas receiver (3) after described.
5. unmanned and manned line traffic control gas braking system can be switched in one kind according to claim 1, special
Sign is: being connected with rear gas storage pressure sensor between the first access in rear gas receiver (6) gas outlet and foot brake valves (9)
(12)；Gas storage pressure sensor before being connected between alternate path in preceding gas receiver (5) gas outlet and foot brake valves (9)
(11).
6. unmanned and manned line traffic control gas braking system can be switched in one kind according to claim 1, special
Sign is: the gas outlet of the third differential relay valve (14-3) is equipped with quick release valve into the pipeline between preceding bridge gas chamber (18)
(17).
7. unmanned and manned line traffic control gas braking system can be switched in one kind according to claim 1, special
Sign is: the foot brake valves (9) are connected with foot brake lamp switch (10).
8. unmanned and manned line traffic control gas braking system can be switched in one kind according to claim 1, special
Sign is: the third differential relay valve (14-3) is connected with hand brake indicator switch (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174518.5U CN209505724U (en) | 2019-01-31 | 2019-01-31 | Unmanned and manned line traffic control gas braking system can be switched in one kind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920174518.5U CN209505724U (en) | 2019-01-31 | 2019-01-31 | Unmanned and manned line traffic control gas braking system can be switched in one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209505724U true CN209505724U (en) | 2019-10-18 |
Family
ID=68203632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920174518.5U Withdrawn - After Issue CN209505724U (en) | 2019-01-31 | 2019-01-31 | Unmanned and manned line traffic control gas braking system can be switched in one kind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209505724U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677386A (en) * | 2019-01-31 | 2019-04-26 | 徐州徐工汽车制造有限公司 | Unmanned and manned line traffic control gas braking system can be switched |
| CN111791859A (en) * | 2020-06-24 | 2020-10-20 | 东风商用车有限公司 | Air braking parking loop system |
| CN114810875A (en) * | 2022-05-24 | 2022-07-29 | 徐州重型机械有限公司 | Multi-mode air brake system and crane |
-
2019
- 2019-01-31 CN CN201920174518.5U patent/CN209505724U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109677386A (en) * | 2019-01-31 | 2019-04-26 | 徐州徐工汽车制造有限公司 | Unmanned and manned line traffic control gas braking system can be switched |
| CN109677386B (en) * | 2019-01-31 | 2024-04-30 | 徐州徐工汽车制造有限公司 | Line control air brake system capable of switching unmanned and manned |
| CN111791859A (en) * | 2020-06-24 | 2020-10-20 | 东风商用车有限公司 | Air braking parking loop system |
| CN114810875A (en) * | 2022-05-24 | 2022-07-29 | 徐州重型机械有限公司 | Multi-mode air brake system and crane |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191018 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191018 Effective date of abandoning: 20240430 |