CN208360154U - A kind of automatic emergency air braking systems - Google Patents
A kind of automatic emergency air braking systems Download PDFInfo
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- CN208360154U CN208360154U CN201820728330.6U CN201820728330U CN208360154U CN 208360154 U CN208360154 U CN 208360154U CN 201820728330 U CN201820728330 U CN 201820728330U CN 208360154 U CN208360154 U CN 208360154U
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- 230000004224 protection Effects 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model belongs to brake apparatus, specifically a kind of automatic emergency air braking systems.The device includes air compressor, air dryer, four-loop protection valve, parking gas receiver afterwards, after brake gas receiver, preceding braking gas receiver, brake pedal, control for brake main valve, parking brake hand brake, parking relay valve, check valve, after brake relay valve, preceding braking relay valve, spare gas receiver, power supply, normally closed diaphragm type adjustable pressure switch, normally opened diaphragm type adjustable pressure switch, tee tube, preceding brake electric control valve, brake electric control valve afterwards, preceding emergency brake valve, emergency brake valve afterwards, air gauge, preceding brake chamber, brake chamber afterwards.The utility model is that one kind can control electrically-controlled valve unlatching both with electrical autocontrol, can also open emergency valve, reliable operation manually, it is adaptable, the braking ability of vehicle is further ensured, and automatically controlled valve controling circuit composed structure is simple, economical and practical automatic emergency air braking systems.
Description
Technical field
The utility model belongs to brake apparatus, specifically a kind of automatic emergency air braking systems.
Background technique
With the development of human society, the travel time of people becomes fewer and fewer, and the travelling speed of cargo becomes more next
Faster, while traffic becomes more convenient, driving cycle is also become more complicated, in order to deal with various travelings
Operating condition, a stable and reliable braking system is essential.Mode of braking is divided into air-pressure brake and two kinds of hydraulic braking,
For lorry or car, generally all selection braking moment is bigger, pedal travel is shorter, manipulation is relatively light, uses more reliable gas
Braking system is pressed, the safe atmospheric pressure value of general air brakes vehicles is set to 0.55Mpa.
Current Pneumatic braking system is equipped with four-loop protection valve, when the decline of one or more loop air pressures, it
It can guarantee that residual circuit has certain safety arrestment air pressure.But it is more complicated for driving conditions, demand braking force is bigger
Operating condition, once occur pipeline gas leakage, the braking for keeping automobile certain only by four-loop protection valve is to be not enough to
Vehicle safe driving is maintained, therefore it is inevitable for designing one kind to restore the acting urgent braking system of vehicle braking air pressure
's.
Summary of the invention
The utility model provides one kind can control electrically-controlled valve unlatching both with electrical autocontrol, can also open emergency manually
Valve, reliable operation is adaptable, further ensures the braking ability of vehicle, and automatically controlled valve controling circuit composed structure is simple,
Economical and practical automatic emergency air braking systems solve the above-mentioned deficiency of existing air braking systems.
Technical solutions of the utility model are described with reference to the drawings as follows:
A kind of automatic emergency air braking systems, the device include air compressor 1, air dryer 2, four loop protections
Valve 3, rear parking gas receiver 4, rear braking gas receiver 5, preceding braking gas receiver 6, brake pedal 8, control for brake main valve 9, parking system
Brake of starting 10, parking relay valve 11, check valve 12, rear braking relay valve 13, preceding braking relay valve 14, spare gas receiver 15, electricity
Source 16, normally closed diaphragm type adjustable pressure switch 17, normally opened diaphragm type adjustable pressure switch 18, tee tube 19, preceding brake electric control valve
20, rear brake electric control valve 21, preceding emergency brake valve 22, rear emergency brake valve 23, air gauge 24, preceding brake chamber 25, rear braking
Gas chamber 26；The air compressor 1 is connected with air dryer 2；3 entrance of four-loop protection valve and air dryer
2 are connected, and described rear 4 one end of parking gas receiver is connected with four-loop protection valve 3, the valve port a of the other end and parking relay valve 11
It is connected, the rear braking gas receiver 4 is connected with parking relay valve 11 increases by one between pipeline with parking brake hand brake 10
Branch, and the branch other end is connected with the valve port b of parking relay valve 11；The valve port c of the parking relay valve 11 and rear braking
One end of gas chamber 26 is connected；Described rear 5 one end of braking gas receiver is connected with four-loop protection valve 3, the other end and rear braking after
The valve port a of dynamic valve 13 is connected, and the rear braking gas receiver 5 is connected between pipeline with rear braking relay valve 13 adds a pipeline, manages
Road one end is connected with the valve port d of control for brake main valve 9, and the pipeline other end is connected with the valve port d of parking relay valve 11；The system
Brake pedal 8 is installed on dynamic control main valve 9；Described 15 one end of spare gas receiver is connected with four-loop protection valve 3, described
Spare 15 other end of gas receiver is connected with a pneumatic circuit I, brake electric control valve before I both ends of pneumatic circuit are respectively separately connected
20 and rear brake electric control valve 21；The other end of the preceding brake electric control valve 20 and rear brake electric control valve 21 passes through pneumatic circuit
It is connected with one end of tee tube 19；Emergency brake valve 22 before the preceding brake electric control valve 20 is connected to side by side；The rear braking
Emergency brake valve 23 after electrically-controlled valve 21 is connected to side by side；The preceding brake electric control valve 20 is individually controlled by first control circuit, institute
The rear brake electric control valve 21 stated individually is controlled by second control circuit, and the first control circuit and the second control electricity
The circuit composition on road is identical, includes the normally closed diaphragm type adjustable pressure switch 17 of power supply 16, normally opened diaphragm type adjustable pressure switch
18；II phase of pneumatic circuit of check valve 12 is installed between the spare gas receiver 15 and rear braking gas receiver 5 by one
Even；Connecting line between the four-loop protection valve 3 and spare gas receiver 15 is connected to one end of preceding braking gas receiver 6, institute
The other end for the preceding braking gas receiver 6 stated is connected with preceding 14 valve port a of braking relay valve, brakes gas receiver 6 and preceding braking before described
A pipeline I is added on connecting line between relay valve 14, the pipeline I is connected to control for brake main valve 9, the control for brake
The valve port a of main valve 9 with it is preceding braking relay valve 14 valve port a be connected, the valve port b of the control for brake main valve 9 and it is preceding brake after
The valve port b of dynamic valve 14 is connected, and the valve port c of the control for brake main valve 9 is connected with the valve port b of rear braking relay valve 13, described
The valve port d of control for brake main valve 9 be connected with the valve port d of parking relay valve 11；The other both ends of the tee tube 19 connect
In pneumatic circuit III, the valve of 19 one end of tee tube and preceding braking relay valve 14 in the 25 place pipeline of preceding brake chamber
Mouth c is connected, and the other end is connected with preceding brake chamber 25；The tee tube 19 is connected screw thread between pipeline with preceding braking relay valve 14
Connect normally closed diaphragm type adjustable pressure switch 17, the tee tube 19 be connected between pipeline with preceding brake chamber 25 be threadedly coupled it is normal
Open diaphragm type adjustable pressure switch 18；19 one end of tee tube and rear braking servo in the 26 place pipeline of rear brake chamber
Valve 13 is connected, and the other end is connected with rear brake chamber 26；The valve port c phase connecting leg of the tee tube 19 and rear braking relay valve 13
Normally closed diaphragm type adjustable pressure switch 17 is threadedly coupled between road, the tee tube 19 is connected between pipeline with rear brake chamber 26
It is threadedly coupled normally opened diaphragm type adjustable pressure switch 18；The normally opened diaphragm type adjustable pressure switch 18 and preceding brake chamber
25, air gauge 24 is had additional between the connected pipeline of rear brake chamber 26.
The rear parking gas receiver 4, preceding braking gas receiver 6, is respectively provided on spare gas receiver 15 rear braking gas receiver 5
There is safety valve 7.
Outside the threaded connection of the normally closed diaphragm type adjustable pressure switch 17, normally opened diaphragm type adjustable pressure switch 18
Have additional rubber seal.
The utility model has the following beneficial effects:
When vehicle driving, which encounters specific operation, to be needed to brake, in case of braking system gas leakage (removes brake chamber gas leakage, four times
Protect valve failure and be not enough to outer other situations into four-loop protection valve air pressure in road), the braking gas that brake chamber obtains
Pressure is insufficient, can not push shoe brake, and automobile can not be braked in time, and control circuit can control electrically-controlled valve unlatching in time, will be standby
It is replenished in time in brake chamber with the gas of gas receiver, vehicle is made to restore braking；Even if controlling circuit malfunction when braking, drive
Member can also have found that braking is insufficient, then open emergency valve manually by barometric registration, equally can be in time by spare gas storage
Gas adds in brake chamber in cylinder, so that automobile is restored braking, and since the control circuit of front and back brake electric control valve is to separate
It is independent, front and back emergency brake valve can also independent open and close, therefore this braking system can flexibly cope with complicated braking and lose
Imitate situation.The utility model mentality of designing is clear, both can control electrically-controlled valve with electrical autocontrol and open, can also open emergency manually
Valve, reliable operation is adaptable, further ensures the braking ability of vehicle, and automatically controlled valve controling circuit composed structure is simple,
It is economical and practical, therefore this brake apparatus can be widely applied.
Detailed description of the invention
Fig. 1 is the utility model overall structure schematic diagram；
Fig. 2 is the schematic diagram of each valve port mark of four-loop protection valve in the utility model.
In figure: 1, air compressor；2, air dryer；3, four-loop protection valve；4, rear parking gas receiver；5, rear braking
Gas receiver；6, preceding braking gas receiver；7, safety valve；8, brake pedal；9, control for brake main valve；10, parking brake hand brake；11,
Parking relay valve；12, check valve；13, relay valve is braked afterwards；14, preceding braking relay valve；15, spare gas receiver；16, power supply；
17, normally closed diaphragm type adjustable pressure switch；18, normally opened diaphragm type adjustable pressure switch；19, tee tube；20, preceding brake electric control
Valve；21, rear brake electric control valve；22, preceding emergency brake valve；23, rear emergency brake valve；24, air gauge；25, preceding brake chamber；
26, rear brake chamber.
Specific embodiment
Refering to fig. 1, a kind of automatic emergency air braking systems, the device include air compressor 1, air dryer 2, four
Loop protection valve 3, rear parking gas receiver 4, rear braking gas receiver 5, preceding braking gas receiver 6, brake pedal 8, control for brake main valve
9, parking brake hand brake 10, parking relay valve 11, check valve 12, rear braking relay valve 13, preceding braking relay valve 14, spare storage
Inflator 15, power supply 16, normally closed diaphragm type adjustable pressure switch 17, normally opened diaphragm type adjustable pressure switch 18, tee tube 19, preceding system
Dynamic electrically-controlled valve 20, rear brake electric control valve 21, preceding emergency brake valve 22, rear emergency brake valve 23, air gauge 24, preceding brake chamber
25, rear brake chamber 26.
Referring to Fig.2, each valve port of four-loop protection valve 3 mark is as shown in Figure 2；
3 entrance of four-loop protection valve is connected with air dryer 2, and the four-loop protection valve 3 is for will be through
The gas that air compressor 1 and air dryer 2 generate separately is transmitted to each gas receiver.
The four-loop protection valve valve port a be used for vehicle other auxiliary gas, as clutch power-assisted pump, air horn,
The gas supply of the compositions such as air seat；
One end of parking braking inflator 4, the rear parking braking inflator after the four-loop protection valve valve port b connection
4 for providing air pressure, the other end and parking relay valve 11 of the rear parking braking gas receiver 4 in vehicle parking
Valve port a is connected, and the parking relay valve 11 is for shortening parking reaction time and pressure settling time；
The rear braking inflator 4, which is connected between pipeline with 11 valve port a of parking relay valve, to be increased by one and has stopping brake hand
The branch of brake 10, the braking parking brake 10 is for controlling distribution parking pipeline air pressure, and the branch other end and parking relay valve
11 valve port b are connected.
Described rear 5 one end of braking gas receiver is connected with four-loop protection valve valve port c, the other end and rear braking relay valve 13
Valve port a be connected, the rear braking relay valve 13 is for brake chamber 26 after being sent into gas faster, the rear braking
Gas receiver 5 is connected between pipeline with rear braking relay valve valve port a adds a pipeline, and described to add pipeline one end total with control for brake
9 valve port d of valve is connected, and the control for brake main valve 9 is for controlling each brake piping pressure liftable, i.e. brake activation system work
Make, the pipeline other end of adding is connected with 11 valve port d of parking relay valve.
The 11 valve port c of parking relay valve is connected by pipeline with rear brake chamber 26；
Brake pedal 8 is installed, the brake pedal 8 is for controlling brake operating on the control for brake main valve 9
The size of power and braking pressure；The valve port c of the control for brake main valve 9 is connected with rear braking 13 valve port b of relay valve, valve port b
It is connected with the valve port b of preceding braking relay valve 14；
A pipeline is added between the rear braking gas receiver 5 and spare gas receiver 15, the pipeline of adding is made by after
Dynamic gas receiver 5 is connected together with spare gas receiver 15, it is ensured that spare gas receiver 15 can obtain sufficient air pressure；And it adds
Check valve 12 is installed, the check valve 12 is for guaranteeing that it is spare that gas may only be entered by rear braking gas receiver 5 on pipeline
Gas receiver 13, and it is unable to reverse transfer.
Safety valve 7 is provided on each gas receiver, the safety valve 7 is used to mitigate in each gas receiver
Air pressure prevents air pressure excessively high, causes danger.
The spare gas receiver 15 is connected with 3 valve port d of four-loop protection valve, and the spare gas pot 15 is used in vehicle
Air pressure is provided when brake failure, vehicle is made to restore braking, 15 other end of spare gas receiver is connected with a pneumatic circuit；
The pneumatic circuit both ends respectively connect an electrically-controlled valve, and the preceding brake electric control valve 20 is for controlling spare gas pot 15 with before
The pipeline between the tee tube 19 of the connected brake piping of air storage chamber 25 is braked, the rear brake electric control valve 21 is standby for controlling
With the pipeline between the tee tube 19 being connect in gas receiver 15 with rear braking air storage chamber 26.
Control supplies when the preceding brake electric control valve 20 restores braking for front-wheel, and the rear brake electric control valve 21 is used
Control gas supply when rear-wheel restores to brake, and the control circuit of two electrically-controlled valves is respectively independent, i.e. automatic electric control circuit can be with
Flexibly it is suitable for various brake failure situations；
Emergency brake valve 22 before the preceding brake electric control valve 20 is connected to one side by side, the rear brake electric control valve 21 is side by side
Emergency brake valve 23 after connection one, the preceding emergency brake valve 22 is for system before being manually sent into gas in spare gas receiver 15
In the tee tube 19 that dynamic air storage chamber 25 is connected, the rear emergency brake valve 23 is used for manually by gas in spare gas receiver 15
It is braked in the tee tube 19 that air storage chamber 26 is connected after feeding；
The tee tube 19 is used to for the pneumatic circuit of electrically-controlled valve being connected with pipeline where brake chamber；And tee tube 19 is another
Outer both ends are connected in pneumatic circuit, and tee tube 19 one end in left side is connected with preceding 14 valve port c of braking relay valve, the left side three
The other end of siphunculus 19 is connected with preceding brake chamber 25, and the preceding brake chamber 25 is for controlling front wheel brake；The right side
Tee tube 19 one end in side is connected with rear braking 13 valve port c of relay valve, and the other end is connected with rear brake chamber 26, the rear braking
Gas chamber 26 is for controlling rear service brake.
The tee tube 19 is connected between pipeline with preceding 14 valve port c of braking relay valve is threadedly coupled normally closed diaphragm type pressure-adjustable
Power switch 17, the normally closed diaphragm type adjustable pressure switch 17 is a kind of normally closed switch, only when pressure reaches default
When pressure value, can just it open；
The tee tube 19 is connected between pipeline with preceding brake chamber 25 is threadedly coupled normally opened diaphragm type adjustable pressure switch
18, the normally opened diaphragm type adjustable pressure switch 18 is a kind of normal open switch, only when pressure reaches preset pressure value
When, it can just be closed；
The pressure of the normally closed diaphragm type adjustable pressure switch 17 and normally opened diaphragm type adjustable pressure switch 18 can survey model
Enclosing is 0.1Mpa-1.0Mpa, and the preset pressure value of the normally closed diaphragm type adjustable pressure switch 17 of the utility model design is
0.55Mpa, the preset pressure value of the normally opened diaphragm type adjustable pressure switch 18 of the utility model design is 0.1Mpa；Therefore only
Have pressure within the scope of 0.1Mpa-0.55Mpa when, two pressure switches just can be all closed, and electrically-controlled valve circuit can just be connected, electricity
Control valve can just be opened.
The preset pressure value of the normally closed diaphragm type adjustable pressure switch 17 and normally opened diaphragm type adjustable pressure switch 18
When ensuring that loine pressure is within the scope of 0.1Mpa-0.55Mpa, electrically-controlled valve is opened, and both ensure that pipeline gas when not stepping on pedal
When pressure is 0Mpa, electrically-controlled valve will not be opened by mistake and be opened, if insufficient pressure is less than 0.55Mpa when also ensuring braking, electrically-controlled valve can be opened
It opens, restores automobile braking performance；Due to the normally opened diaphragm type adjustable pressure switch 18 be mounted on tee tube 19 and brake chamber it
Between, when electrically-controlled valve is opened, air pressure suffered by the normally opened diaphragm type adjustable pressure switch 18 is greater than 0.55Mpa, normally opened diaphragm
Formula adjustable pressure switch 18 continues to remain engaged with state, and emergency brake is stablized；And general gas leakage, it not will lead to braking system
Pressure drops to 0.1Mpa hereinafter, normally closed diaphragm type adjustable pressure switch 17 and normally opened diaphragm type adjustable pressure switch 18 at once
It is all closed before 0.1Mpa can be dropped under pneumatic pressure completely.
The tee tube 19 is connected between pipeline with rear braking 13 valve port c of relay valve is threadedly coupled normally closed diaphragm type pressure-adjustable
Power switch 17；
The tee tube 19 is connected between pipeline with rear brake chamber 26 is threadedly coupled normally opened diaphragm type adjustable pressure switch
18；
Outside the threaded connection of the normally closed diaphragm type adjustable pressure switch 17 and normally opened diaphragm type adjustable pressure switch 18
Portion adds rubber seal, for reinforcing air-tightness, prevents gas leakage；
Air pressure is connected between two pipelines that the normally opened diaphragm type adjustable pressure switch 18 is connected with preceding brake chamber 25
Table 19 is connected with air gauge between two pipelines that the normally opened diaphragm type adjustable pressure switch 18 is connected with rear brake chamber 26
19, the air gauge 19 is used to detect the air pressure for the pipeline for being connected and being closer with brake chamber, timely convenient for driver
It was found that brake failure, and once automatically controlled valve controling circuit failure, driver can also open emergency valve manually, restore vehicle system
It is dynamic.
The utility model can restore to brake by electrical autocontrol and manual two ways, specifically in brake failure
Realization process is as follows:
1. electrical autocontrol restores braking process
In vehicle traveling process, brake pedal, it is assumed that preceding brake chamber air pressure is insufficient, vehicle front wheel brake failure,
Normally closed diaphragm type adjustable pressure switch 17, normally opened diaphragm type adjustable pressure switch 18 are existed due to coupled pipeline air pressure
It is closed within the scope of 0.1-0.55Mpa, then preceding 20 control circuit of brake electric control valve is connected, and preceding brake electric control valve 20 is opened, spare
Gas is since by pipeline, successively 20 → tee tube of premenstrual brake electric control valve, 19 → voltmeter 24 arrives differential pressure action in gas receiver 15
Up to preceding brake chamber 25, brake chamber air pressure restores before making, and front-wheel restores to brake, other brake fade situations, and electrical autocontrol is extensive
Multiple braking process is roughly the same.
2. restoring braking process manually
In vehicle traveling process, brake pedal, it is assumed that rear brake chamber air pressure is insufficient, and rear brake electric control valve 21 is controlled
Circuit malfunction processed, vehicle rear wheel brake failure are connected to the pressure gauge registration near rear brake chamber on pipeline and are less than
0.55Mpa, driver do not have found that vehicle has apparent deceleration trend, emergency brake valve 23 after driver opens manually, spare storage
In inflator 15 gas due to differential pressure action by pipeline after 23 → tee tube of emergency brake valve, 19 → voltmeter 24 reach after
Brake chamber 26 restores rear brake chamber air pressure, and rear-wheel restores braking, other brake electric control valve controling circuit failures and braking
Under failure conditions, it is roughly the same to restore braking process manually.
Claims (3)
1. a kind of automatic emergency air braking systems, which is characterized in that the device includes air compressor (1), air dryer
(2), four-loop protection valve (3), rear parking gas receiver (4), afterwards braking gas receiver (5), preceding braking gas receiver (6), brake pedal
(8), control for brake main valve (9), parking brake hand brake (10), parking relay valve (11), check valve (12), brake relay valve afterwards
(13), preceding braking relay valve (14), spare gas receiver (15), power supply (16), normally closed diaphragm type adjustable pressure switch (17), normally opened
Diaphragm type adjustable pressure switch (18), tee tube (19), preceding brake electric control valve (20), rear brake electric control valve (21), preceding braking are answered
Anxious valve (22), rear emergency brake valve (23), air gauge (24), preceding brake chamber (25), rear brake chamber (26)；The air
Compressor (1) is connected with air dryer (2)；Four-loop protection valve (3) entrance is connected with air dryer (2), institute
Rear parking gas receiver (4) one end stated is connected with four-loop protection valve (3), the valve port a phase of the other end and parking relay valve (11)
Even, the rear braking gas receiver (5) is connected between pipeline increase by one with parking brake hand brake with parking relay valve (11)
(10) branch, and the branch other end is connected with the valve port b of parking relay valve (11)；The valve port of the parking relay valve (11)
C is connected with the one end of rear brake chamber (26)；Described rear braking gas receiver (5) one end is connected with four-loop protection valve (3), separately
One end is connected with the valve port a of rear braking relay valve (13), and the rear braking gas receiver (5) is connected with rear braking relay valve (13)
A pipeline is added between pipeline, pipeline one end is connected with the valve port d of control for brake main valve (9), the pipeline other end and parking relay valve
(11) valve port d is connected；Brake pedal (8) are installed on the control for brake main valve (9)；The spare gas receiver (15)
One end is connected with four-loop protection valve (3), and spare gas receiver (15) other end is connected with a pneumatic circuit I, described
I both ends of pneumatic circuit are respectively separately connected preceding brake electric control valve (20) and rear brake electric control valve (21)；The preceding brake electric control valve
(20) and the other end of rear brake electric control valve (21) passes through pneumatic circuit and the one end of tee tube (19) is connected；The preceding system
Emergency brake valve (22) before dynamic electrically-controlled valve (20) are connected to side by side；Emergency brake after the rear brake electric control valve (21) is connected to side by side
Valve (23)；The preceding brake electric control valve (20) is individually controlled by first control circuit, the rear brake electric control valve (21) by
Second control circuit individually controls, and the first control circuit is identical as the circuit composition of the second control circuit,
Including the normally closed diaphragm type adjustable pressure switch (17) of power supply (16), normally opened diaphragm type adjustable pressure switch (18)；Described is spare
It is connected between gas receiver (15) and rear braking gas receiver (5) by a pneumatic circuit II for being equipped with check valve (12)；It is described
Four-loop protection valve (3) between spare gas receiver (15) connecting line with it is preceding braking gas receiver (6) one end be connected to, it is described
The other end of preceding braking gas receiver (6) be connected with preceding braking relay valve (14) valve port a, it is described before braking gas receiver (6) with before
A pipeline I is added on connecting line between braking relay valve (14), the pipeline I is connected to control for brake main valve (9), described
The valve port a of control for brake main valve (9) is connected with the valve port a of preceding braking relay valve (14), the valve of the control for brake main valve (9)
Mouth b is connected with the valve port b of preceding braking relay valve (14), the valve port c of the control for brake main valve (9) and rear braking relay valve
(13) valve port b is connected, and the valve port d of the control for brake main valve (9) is connected with the valve port d of parking relay valve (11)；It is described
The other both ends of tee tube (19) be connected in pneumatic circuit III, the threeway where the preceding brake chamber (25) in pipeline
Pipe (19) one end is connected with the valve port c of preceding braking relay valve (14), and the other end is connected with preceding brake chamber (25)；The threeway
Pipe (19) is connected between pipeline with preceding braking relay valve (14) is threadedly coupled normally closed diaphragm type adjustable pressure switch (17), and described three
Siphunculus (19) is connected between pipeline with preceding brake chamber (25) is threadedly coupled normally opened diaphragm type adjustable pressure switch (18)；After described
Tee tube (19) one end where brake chamber (26) in pipeline is connected with rear braking relay valve (13), the other end and rear braking gas
Room (26) is connected；The tee tube (19) is connected between pipeline with the valve port c of rear braking relay valve (13) is threadedly coupled normally closed diaphragm
Formula adjustable pressure switch (17), the tee tube (19) is connected between pipeline with rear brake chamber (26) is threadedly coupled normally opened diaphragm
Formula adjustable pressure switch (18)；Gas is braked in the normally opened diaphragm type adjustable pressure switch (18) and preceding brake chamber (25) afterwards
Air gauge (24) are had additional between the connected pipeline in room (26).
2. a kind of automatic emergency air braking systems according to claim 1, which is characterized in that the rear parking gas storage
Cylinder (4) brakes gas receiver (5) afterwards, preceding braking gas receiver (6), is provided with safety valve (7) on spare gas receiver (15).
3. a kind of automatic emergency air braking systems according to claim 1, which is characterized in that the normally closed diaphragm type
Adjustable pressure switch (17), normally opened diaphragm type adjustable pressure switch (18) threaded connection outside have additional rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728330.6U CN208360154U (en) | 2018-05-16 | 2018-05-16 | A kind of automatic emergency air braking systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728330.6U CN208360154U (en) | 2018-05-16 | 2018-05-16 | A kind of automatic emergency air braking systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208360154U true CN208360154U (en) | 2019-01-11 |
Family
ID=64934847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728330.6U Withdrawn - After Issue CN208360154U (en) | 2018-05-16 | 2018-05-16 | A kind of automatic emergency air braking systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208360154U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407789A (en) * | 2018-05-16 | 2018-08-17 | 吉林大学 | A kind of automatic emergency air braking systems |
-
2018
- 2018-05-16 CN CN201820728330.6U patent/CN208360154U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108407789A (en) * | 2018-05-16 | 2018-08-17 | 吉林大学 | A kind of automatic emergency air braking systems |
| CN108407789B (en) * | 2018-05-16 | 2024-01-09 | 吉林大学 | Automatic emergency air pressure braking device |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190111 Effective date of abandoning: 20240109 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190111 Effective date of abandoning: 20240109 |