CN206670921U - The heavy vehicle of steyr 1491 brakes gas circuit experimental rig - Google Patents
The heavy vehicle of steyr 1491 brakes gas circuit experimental rig Download PDFInfo
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- CN206670921U CN206670921U CN201621192412.0U CN201621192412U CN206670921U CN 206670921 U CN206670921 U CN 206670921U CN 201621192412 U CN201621192412 U CN 201621192412U CN 206670921 U CN206670921 U CN 206670921U
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Abstract
A kind of heavy vehicle of steyr 1491 brakes gas circuit experimental rig, air compressor goes out port strobe and is connected through gas circuit with drier import, dryer export is connected by pressure-regulating valve through gas circuit with four-loop protection valve import, left outlet on four-loop protection valve, upper right outlet, bottom right outlet through gas circuit respectively with air accumulator, air accumulator II, air accumulator Ш connections, air accumulator, air accumulator II export through gas circuit respectively with master cylinder upper inlet, lower inlet connects, outlet is connected by gas circuit with front brake wheel cylinder under master cylinder, master cylinder upper outlet is connected through gas circuit with service brake relay valve upper outlet, the import of service brake relay valve is through threeway S1 connections between gas circuit and air accumulator and master cylinder, outlet connects through gas circuit and the outlet of rear braking wheel cylinder under service brake relay valve；Air accumulator Ш outlets are connected through gas circuit with brake valve import, and brake valve outlet is connected through gas circuit with parking brake relay valve upper outlet, and threeway S2 is connected through gas circuit with parking brake relay valve import between air accumulator Ш and hand brake valve.
Description
Technical field
Vehicle braking air passage trouble shoot experimental technique is the utility model is related to, specifically a kind of weight of steyr 1491
Type vehicle braking air passage experimental rig.
Background technology
The heavy-duty automobile brake system of steyr 1491 is mainly by for master cylinder, hand brake valve, drier, four loop protections
The gas circuit executive component such as the gas circuit such as valve, relay valve control element and front brake master cylinder, rear braking master cylinder forms.Brakes is respectively controlled
Element and executive component processed, which cooperate, completes automobile brake function, when any one element failure in brakes, system
Dynamic system and break down, be unable to reach normal brake application.Wheel cylinder, four-way valve, relay valve, master cylinder, hand brake valve etc.
Gas circuit part is the key job part of automobile brake perfrmance, and the dependable performance of these elements is to ensure that the key of automobile brake perfrmance,
The traffic safety of relation automobile.The vehicle gas circuit brakes of steyr 1491 is more complicated, and various valve members mutually control, and mutually interconnect
System；Rear braking wheel cylinder has hand brake gas circuit and foot brake gas circuit simultaneously, is separated by piston, rubber seal rings for seal as two
Individual annular seal space, it is hand brake chamber and foot brake chamber respectively.Sealing ring failure easily causes hand brake chamber and pin in rear braking wheel cylinder
Brake chamber seal failure, gas are ganged up, and this failure is not easy directly to discover, and easily causes failure erroneous judgement.In steyr 1491
In the maintenance process of vehicle, due to unsuitable wheel cylinder testing inspection instrument, usually maintenance personal is by the way that " inquiry is driven
The person's of sailing symptom of vehicle failure, check whether braking gas circuit inflation is normal, and braking air-channel system whether there is obvious gas leakage, can not accurately sentence
Disconnected trouble point.Working experience failure judgement point is often relied on by maintenance personal, one time judging nicety rate can only achieve 85%.Separately
Outside, whether the braking gas circuit part newly changed, which meets performance, can not also judge, repeating replacing gas circuit part often through exclusive method comes
Repaired, cause phenomenon of doing over again.The exceptional fault of problem can not still be solved by repeatedly changing part, and auxiliary uses simple pressure measurement instrument
Table measures automobile brake gas circuit one by one, and whether air pressure is normal everywhere, and the localization of faults is carried out, it is necessary to disconnect each air-path interface one by one
Gas circuit operating pressure detects, because the vehicle gas circuit control element of steyr 1491 is distributed in the different parts of vehicle chassis, pipeline
Staggeredly, air path elements installing space is narrow and small, dismounts pipe joint and air path elements are extremely difficult.Automobile air path failure is excluded, really
Recognizing trouble location needs anti-revisionist reason human review to carry out pressure detecting, exceptional fault inspection after looking for and dismounting air path elements and joint
4 hours are once averagely needed, worker's labor intensity is big, and operating efficiency is low, and easily causes the damage of gas circuit part.A kind of motor vehicle
External characteristics dynamic and intelligent detection platform and its detection method, the patent No.：201410399534.6 this is that motor vehicle vehicle is entered
Row is tested, and during complete vehicle test, gathers braking information, can not carry out breakdown judge to a certain specific part.
The content of the invention
The purpose of this utility model is aiming at above-mentioned weak point, there is provided a kind of heavy vehicle of steyr 1491 brakes gas
Road test experiment device.
The purpose of this utility model is realized by following technical proposals:
The utility model includes：Gas circuit, air compressor, go out port strobe, drier, pressure-regulating valve, four loop protections
Valve, air accumulator, air accumulator II, air accumulator Ш, master cylinder, service brake relay valve, front brake wheel cylinder, hand brake valve, parking brake servo
Valve, rear braking wheel cylinder, stand, instrument support, front brake wheel cylinder test-bed, rear braking wheel cylinder test-bed is fixedly mounted.Institute
The port strobe that goes out for stating air compressor is connected by gas circuit with drier import, and dryer export passes through gas by pressure-regulating valve
Road is connected with four-loop protection valve import, on four-loop protection valve it is left outlet, it is upper right outlet, bottom right outlet by gas circuit respectively with
Air accumulator, air accumulator II, air accumulator Ш connections, air accumulator, air accumulator II outlet by gas circuit respectively with master cylinder
Upper inlet, lower inlet connect, and export under master cylinder and are connected by gas circuit with front brake wheel cylinder, master cylinder upper outlet passes through gas
Road is connected with the upper outlet of service brake relay valve, and the import of service brake relay valve is passed through between gas circuit and air accumulator and master cylinder
Threeway S1 connections, under service brake relay valve outlet connected by gas circuit and the outlet of rear braking wheel cylinder；Air accumulator Ш passes through gas circuit in outlet
It is connected with hand brake valve import, hand brake valve outlet is connected by gas circuit with parking brake relay valve upper outlet, in air accumulator Ш and hand
Threeway S2 between brake valve is connected by gas circuit with parking brake relay valve import.
The outlet gas circuit of the air compressor is provided with first pressure table B1.
The four-loop protection valve airway is provided with second pressure gauge B2.
The air accumulator, air accumulator II, the 3rd pressure gauge B3, the 7th pressure are respectively equipped with air accumulator Ш airways
Table B7, the tenth pressure gauge B10, air accumulator, air accumulator II, air accumulator Ш outlet gas circuit on be respectively equipped with the 4th pressure gauge
B4, the 8th pressure gauge B8, the 11st pressure gauge B11.
The lower outlet of the master cylinder is provided with the 9th pressure gauge B9.
The service brake relay valve, the upper outlet of parking brake relay valve, lower outlet are respectively equipped with the 6th pressure gauge B6, the 5th pressure
Table B5, the 12nd pressure gauge B12, the 13rd pressure gauge B13.
The fixed installation stand is the double-deck desk-top desk of steel construction, and the left side of rectangle table top is provided with instrument support, under
Portion is provided with drier fixed support and four-loop protection valve fixed support；The middle forward and backward foot brake brakes that is respectively equipped with is consolidated
Fixed rack, hand brake braking fixed support, the right is provided with front brake wheel cylinder test-bed, rear braking wheel cylinder test-bed, table top
The right bottom is provided with floor, and the bottom that stand is fixedly mounted is provided with three air accumulator fixed supports.
Second pressure gauge B2 and the 3rd pressure gauge B3 in the heavy vehicle of steyr 1491 braking gas circuit experimental rig, the
Seven pressure gauge B7 and the tenth pressure gauge B10, the 4th pressure gauge B4 and the 8th pressure gauge B8, the 5th pressure gauge B5 and the 6th pressure gauge
B6, the 11st pressure gauge B11 and the 12nd pressure gauge B12, the 9th pressure gauge B9 and the 13rd pressure gauge B13 are respectively one piece of crosspointer
Pressure gauge, it is separately mounted to the first pressure table hole K1 of instrument support, second pressure gauge hole K2, the 3rd pressure gauge hole K3, the 4th
Pressure gauge hole K4, the 5th pressure gauge hole K5, in the 6th pressure gauge hole K6.
The beneficial effects of the utility model are：Tested suitable for the vehicle braking air passage trouble shoot of steyr 1491, pressure
Table quantifies to show the working condition of each air path elements interface, realizes the accurate judgement to braking gas path failure, prevents to vehicle
Air path elements are torn open by mistake, and the new air path elements quality of installation is tested, it is therefore prevented that are repeated invalid dismounting, avoided because frequently
Dismounting causes gas circuit part to damage, and is intuitively shown using pressure gauge, and judging nicety rate can reach 100%, brakes gas circuit exceptional fault
Inspection exclude the time be reduced to from original 4 hours within 1 hour, effectively reduce the labor intensity of worker, improve work
Make efficiency.
Brief description of the drawings
Fig. 1-the utility model process structure schematic diagram
The main structure diagram of stand 15 is fixedly mounted in Fig. 2-the utility model
The overlooking the structure diagram of stand 15 is fixedly mounted in Fig. 3-the utility model
In figure, 0. gas circuit, 1. air compressors, 2. go out port strobe, and 3. driers, 4. pressure-regulating valves, 5. 4 loops are protected
Shield valve, 6. air accumulators, 7. air accumulators II, 8. air accumulator Ш, 9. master cylinder, 10. service brake relay valves, 11. front brake wheel cylinders,
12. hand brake valve, 13. parking brake relay valves, 14. rear braking wheel cylinders, 15. are fixedly mounted stand, 15-1. table tops, 15-2. driers
Fixed support, 15-3. four-loop protection valve fixed supports, 15-4. air accumulator fixed supports, the fixed branch of 15-5. hand brakes braking
Frame, 15-6. foot brake brakes fixed supports, 15-7. floors；16. instrument support, 17. front brake wheel cylinder test-beds,
18. rear braking wheel cylinder test-bed；B1. first pressure table, B2. second pressure gauges, the pressure gauges of B3. the 3rd, the pressure of B4. the 4th
Table, the pressure gauges of B5. the 5th, the pressure gauges of B6. the 6th, the pressure gauges of B7. the 7th, the pressure gauges of B8. the 8th, the pressure gauges of B9. the 9th, B10.
Tenth pressure gauge, the pressure gauges of B11. the 11st, the pressure gauges of B12. the 12nd, the pressure gauges of B13. the 13rd, S1. threeways, S2. tri-
It is logical, K1. first pressure tables hole, K2. second pressure gauges hole, the pressure gauge holes of K3. the 3rd, the pressure gauge holes of K4. the 4th, the pressures of K5. the 5th
Power table hole, the pressure gauge holes of K6. the 6th.
Embodiment
With reference to accompanying drawing, the utility model will be further described：
The heavy vehicle of steyr 1491 brakes gas circuit experimental rig by gas circuit 0, air compressor 1, goes out port strobe 2, dries
Device 3, pressure-regulating valve 4, four-loop protection valve 5, air accumulator 6, air accumulator II 7, air accumulator Ш 8, master cylinder 9, service brake
Relay valve 10, front brake wheel cylinder 11, hand brake valve 12, parking brake relay valve 13, rear braking wheel cylinder 14, fixed installation stand 15, instrument
Table support 16, front brake wheel cylinder test-bed 17, rear braking wheel cylinder test-bed 18 form.The outlet of the air compressor 1
Gate 2 is connected by gas circuit 0 with the import of drier 3, and the outlet of drier 3 is protected by pressure-regulating valve 4 by the loop of gas circuit 0 and four
Protect valve 5 import connection, left outlet on four-loop protection valve 5, upper right outlet, bottom right outlet by gas circuit 0 respectively with air accumulator
6th, air accumulator II 7, air accumulator Ш 8 are connected, air accumulator 6, air accumulator II 7 outlet by gas circuit 0 respectively with brake
The upper inlet of master cylinder 9, lower inlet connection, 9 times outlets of master cylinder are connected by gas circuit 0 with front brake wheel cylinder 11, and brake is total
The upper outlet of pump 9 is connected by gas circuit 0 with the upper outlet of service brake relay valve 10, and the import of service brake relay valve 10 is by gas circuit 0 and storage
Gas circuit 0 and rear brake are passed through in threeway S1 connections between gas tank 6 and master cylinder 9, the 10 times outlets of service brake relay valve
The outlet of car wheel cylinder 14 connection；The outlets of air accumulator Ш 8 are connected by gas circuit 0 with the import of hand brake valve 12, hand brake valve
12 outlets are connected by gas circuit 0 with the upper outlet of parking brake relay valve 13, between air accumulator Ш 8 and hand brake valve 12
Threeway S2 be connected by gas circuit 0 with the import of parking brake relay valve 13.
The systemic pressure detecting experiment of the heavy vehicle of steyr 1491 braking gas circuit：
The heavy vehicle of steyr 1491 braking gas circuit experimental rig is the normal operating conditions of simulating vehicle, using Standard Gases
The method for replacing testpieces in road is tested.The purpose of experiment be detection braking gas circuit groundwork part distinct interface pressure with
The transient change situation of working condition, compared by transient change situation and normal pressure change, the quality of validation test part is
No to meet the requirements, so as to which the old part part of validation test is scrapped or is continuing with, it is qualified or unqualified to test new part.
In Fig. 1, first pressure table B1 measurements show air compressor supply gas pressure, directly can show from first pressure table B1
Show to come；Second pressure gauge B2 measurements show the gas pressure that compressed air supplies after drier 3, under normal circumstances, the
One pressure gauge B1 and second pressure gauge B2 numerical value should be basically identical, pressure value 0.8MPa.When second pressure gauge B2 is measured
Value is less than first pressure table B1 measured values more than 0.5MPa, illustrates that drier 3 is blocked, it is necessary to change the filter cylinder of drier 3；Drier
The pressure of the compressed air of 3 outputs can be adjusted by pressure-regulating valve 4, it is ensured that the compressed air pressure of supply conforms to
Ask.Generally, it is desirable to which second pressure gauge B2 pressure values are 0.8MPa.Enter four loops by the compressed air of drier 3
Valve 5 is protected, by the low-voltage variation of four-loop protection valve 5, when the output of a certain outlet of four-loop protection valve is less than 0.6MPa's
During set pressure, the compressed air for cutting off the low pressure gas circuit immediately by check valve control exports, and protects the normal work of other gas circuits
Make, output pressure is conveyed to air accumulator 6, air accumulator II 7, storage higher than the compressed air of the set pressure of four-loop protection valve 5
Gas tank Ш 8, the compressed air pressure value that four-loop protection valve 5 exports pass through the 3rd pressure gauge B3, the 7th pressure gauge B7, the tenth
Pressure gauge B10 shows to detect.Work as gas replenishment process, the 3rd pressure gauge B3, the 7th pressure gauge B7, the tenth pressure gauge B10 pressure
Value, which is started from scratch, to be gradually increasing, until basically identical with second pressure gauge B2 pressure values, untill no longer changing, and three gas storage
Tank 6, air accumulator II 7, air accumulator Ш 8 complete inflation, air accumulator 6, air accumulator II 7, the output squeezing air of air accumulator Ш 8
Pressure value detects display by the 4th pressure gauge B4, the 8th pressure gauge B8, the 11st pressure gauge B11 respectively, non-brake process, and the
The set pressure that four pressure gauge B4, the 8th pressure gauge B8, the 11st pressure gauge B11 display pressure and second pressure gauge B2 are shown
Unanimously；Only in hand brake process and foot brake process, air accumulator 6, air accumulator II 7, air accumulator Ш 8 output pressure value
Just there are momentary variation, pressure value disunity.
Hand brake gas circuit, when in release braking state be driving states when, hand brake valve 12 in an ON state, parking brake
The control gas circuit of car valve 12 is connected, and the 12nd pressure gauge B12 of the control airline pressure of detection hand brake valve 12 is shown as gas circuit
The normal set pressure 0.8MPa of system；Meanwhile the airline pressure value for connecting hand brake valve 12 and rear braking wheel cylinder 14 also should be gas
The normal set pressure 0.8MPa of road system, is shown by the 13rd pressure gauge B13.When manipulator's brake valve 12, implement parking brake
When car is braked, hand brake valve 12 disconnects gas circuit immediately, stops controlling gas circuit supply with hand brake relay valve 13, and simultaneously by parking brake
Car relay valve 13 controls the air in gas circuit to be discharged by the Quick air-discharge mouth of hand brake valve 12, the control of detection hand brake valve 12
12nd pressure gauge B12 show value moments of airline pressure change to 0MPa from 0.8MPa.At the same time, hand brake relay valve 13
Main gas circuit disconnects, and stops supplying by hand brake air chamber of the hand brake relay valve 13 to rear braking wheel cylinder 14, and immediately by parking brake
Air is discharged by the Quick air-discharge mouth of hand brake relay valve 13 in the export pipeline of car valve 12, the 13rd pressure gauge B13 and the
Pressure value simultaneously and rapidly is reduced to 0 MPa by 12 pressure gauge B12.If the 13rd pressure gauge B13 and the 12nd pressure gauge
B12 show value can not be rapidly lowered to 0 MPa, illustrate the failure of hand brake valve 12 or the failure of hand brake relay valve 13 or rear brake
The inner sealing of car wheel cylinder 14 fails.
The master of foot brake gas circuit, the 4th pressure gauge B4 detection epicoele supply gas pressures of master cylinder 9 and foot brake relay valve 10
Gas circuit supply gas pressure, set pressure 0.8Mpa, the 8th pressure gauge B8 the detection cavity of resorption supply gas pressure of master cylinder 9, set pressure
For 0.8Mpa, under normal circumstances, the pressure value that the two pressure gauges are shown is identical with air-channel system pressure value；When master cylinder 9
In when releasing braking state, i.e. driving states, the epicoele of master cylinder 9, the gas circuit of cavity of resorption all disconnect, empty without output squeezing
Gas, now, the 6th pressure gauge B6 pressure values of the air gas circuit of service brake relay valve 10 are 0MPa, the main gas circuit of service brake relay valve 10
Disconnect, the 5th pressure gauge B5 of detection service brake relay valve 10 to rear braking wheel cylinder 14 shows that pressure is 0MPa.Simultaneously as brake
The cavity of resorption gas circuit of master cylinder 9 is also to disconnect, and to the gas circuit non-compressed air of front brake wheel cylinder 11, the 9th presses the cavity of resorption of master cylinder 9
Power table B9 pressure values are 0MPa；If now the 5th pressure gauge B5, the 6th pressure gauge B6, the 9th pressure gauge B9 pressure values are not
0MPa, illustrate master cylinder 9, service brake relay valve 10 or the failure of rear braking wheel cylinder 14；When the pedal for stepping on master cylinder 9, implement
When foot brake is braked, epicoele, the cavity of resorption of master cylinder 9 are also turned on compressed air, and the control gas circuit of foot brake relay valve 10 connects
Logical, the 6th pressure gauge B6 pressure value moment is increased to system pressure value 0.8MPa；Gas circuit is controlled to connect in foot brake relay valve 10
Under logical control, the main gas circuit of foot brake relay valve 10 is connected, gas circuit of the gas outlet of foot brake relay valve 10 to rear braking wheel cylinder 14
Connect, by epicoele fast aeration of the main gas circuit of foot brake relay valve 10 to rear braking wheel cylinder 14, the 5th pressure gauge B5 is shown
Pressure value be climbed to air-channel system set pressure 0.8MPa；Meanwhile the gas circuit of the cavity of resorption of master cylinder 9 is connected, before giving
The fast aeration of wheel cylinder 11, the 9th pressure gauge B9 pressure values are quickly increased to the MPa of system set pressure 0.8 from 0 MPa；Such as
The pressure gauge B5 of fruit foot brake process the 5th, the 6th pressure gauge B6, the 9th pressure gauge B9 pressure values can not be realized and simultaneously and rapidly risen
Or pressure is relatively low, illustrate master cylinder 9, foot brake relay valve 10 or the failure of rear braking wheel cylinder 14；When stepping on foot brake pedal, lead to
Cross master cylinder 9 and release foot brake process, epicoele, the cavity of resorption of master cylinder 9 simultaneously switch off compressed air, foot brake relay valve 10
Control gas circuit be vented quickly through the Quick air-discharge mouth of master cylinder 9, the 6th pressure gauge B6 pressure value show from system tune
The MPa of constant-pressure 0.8 rapidly drops to 0 MPa；Meanwhile give the epicoele of rear braking wheel cylinder 14 by 10 main gas circuit of foot brake relay valve
The braking gas circuit of supply stops supplying immediately, and is vented by the Quick air-discharge mouth of foot brake relay valve 10, the pressure of the pipeline
0MPa is quickly reduced to, the pressure that the 5th pressure gauge B5 is shown quickly is reduced to 0MPa from 0.8MPa；Meanwhile master cylinder 9
Cavity of resorption gas circuit is also synchronous disconnection, stops supplying to front brake wheel cylinder 11, and is vented by the Quick air-discharge mouth of master cylinder 9,
The pressure of the pipeline is quickly reduced to 0MPa, and the pressure that the 9th pressure gauge B9 is shown quickly is reduced to 0MPa from 0.8MPa.If
Pressure gauge show value and above-mentioned change are inconsistent, illustrate master cylinder 9, foot brake relay valve 10, rear braking wheel cylinder 14, front brake
Wheel cylinder 11 breaks down.
First pressure table B1 shows air compressor output pressure；Second pressure gauge B2 and the 3rd pressure gauge B3, the 7th pressure
Power table B7 and the tenth pressure gauge B10, the 4th pressure gauge B4 and the 8th pressure gauge B8, the 5th pressure gauge B5 and the 6th pressure gauge B6,
11st pressure gauge B11 and the 12nd pressure gauge B12, the 9th pressure gauge B9 and the 13rd pressure gauge B13 are respectively one piece of crosspointer pressure
Power table, the pressure value of two pressure detecting points can be indicated, is easy to the contrast of pressure value changes, is separately mounted to instrument support 16
First pressure table hole K1, second pressure gauge hole K2, the 3rd pressure gauge hole K3, the 4th pressure gauge hole K4, the 5th pressure gauge hole K5,
In 6th pressure gauge hole K6, concentrated and placed using instrument board, be easy to observe.
Claims (7)
1. a kind of heavy vehicle of steyr 1491 brakes gas circuit experimental rig, including：Gas circuit（0）, air compressor（1）, outlet
Gate（2）, drier（3）, pressure-regulating valve（4）, four-loop protection valve（5）, air accumulator（6）, air accumulator II（7）, air accumulator
Ш（8）, master cylinder（9）, service brake relay valve（10）, front brake wheel cylinder（11）, hand brake valve（12）, parking brake relay valve（13）、
Rear braking wheel cylinder（14）, be fixedly mounted stand（15）, instrument support（16）, front brake wheel cylinder test-bed（17）, rear braking point
Pump testing stand（18）；It is characterized in that：The air compressor（1）Go out port strobe（2）By gas circuit（0）With drier（3）
Import connects, drier（3）Outlet passes through pressure-regulating valve（4）By gas circuit（0）With four-loop protection valve（5）Import connects,
Four-loop protection valve（5）Gas circuit is passed through in upper left outlet, upper right outlet, bottom right outlet（0）Respectively with air accumulator（6）, air accumulator II
（7）, air accumulator Ш（8）Connection, air accumulator（6）, air accumulator II（7）Outlet pass through gas circuit（0）Respectively with master cylinder（9）
Upper inlet, lower inlet connection, master cylinder（9）Gas circuit is passed through in lower outlet（0）With front brake wheel cylinder（11）Connection, master cylinder
（9）Upper outlet passes through gas circuit（0）With service brake relay valve（10）Upper outlet connection, service brake relay valve（10）Import pass through gas circuit
（0）With air accumulator（6）And master cylinder（9）Between threeway（S1）Connection, service brake relay valve（10）Gas circuit is passed through in lower outlet
（0）With rear braking wheel cylinder（14）Outlet connection；Air accumulator Ш（8）Gas circuit is passed through in outlet（0）With hand brake valve（12）Import connects,
Hand brake valve（12）Gas circuit is passed through in outlet（0）With parking brake relay valve（13）Upper outlet connects, in air accumulator Ш（8）With hand brake valve
（12）Between threeway（S2）By gas circuit（0）With parking brake relay valve（13）Import connects.
2. the heavy vehicle of steyr 1491 braking gas circuit experimental rig according to claim 1, it is characterized in that：The air pressure
Contracting machine（1）Outlet gas circuit（0）Provided with first pressure table（B1）.
3. the heavy vehicle of steyr 1491 braking gas circuit experimental rig according to claim 1, it is characterized in that：Four loop
Protect valve（5）Airway（0）Provided with second pressure gauge（B2）.
4. the heavy vehicle of steyr 1491 braking gas circuit experimental rig according to claim 1, it is characterized in that：The air accumulator
І（6）, air accumulator II（7）, air accumulator Ш（8）Airway（0）On be respectively equipped with the 3rd pressure gauge（B3）, the 7th pressure gauge
（B7）, the tenth pressure gauge（B10）, in air accumulator（6）, air accumulator II（7）, air accumulator Ш（8）Outlet gas circuit（0）Upper difference
Provided with the 4th pressure gauge（B4）, the 8th pressure gauge（B8）, the 11st pressure gauge（B11）.
5. the heavy vehicle of steyr 1491 braking gas circuit experimental rig according to claim 1, it is characterized in that：The brake is total
Pump（9）Lower outlet be provided with the 9th pressure gauge（B9）.
6. the heavy vehicle of steyr 1491 braking gas circuit experimental rig according to claim 1, it is characterized in that：The service brake after
Dynamic valve（10）, parking brake relay valve（13）Upper outlet, it is lower outlet be respectively equipped with the 6th pressure gauge（B6）, the 5th pressure gauge（B5）、
12nd pressure gauge（B12）, the 13rd pressure gauge（B13）.
7. the heavy vehicle of steyr 1491 braking gas circuit experimental rig according to claim 1, it is characterized in that：The fixed peace
Fill stand（15）For the double-deck desk-top desk of steel construction, rectangle table top（15-1）The left side be provided with instrument support（16）, instrument branch
Frame（16）It is provided with first pressure table hole（K1）, second pressure gauge hole（K2）, the 3rd pressure gauge hole（K3）, the 4th pressure gauge hole
（K4）, the 5th pressure gauge hole（K5）, the 6th pressure gauge hole（K6）, bottom is provided with drier fixed support（15-2）Protected with four loops
Protect valve fixed support（15-3）；Centre is forward and backward to be respectively equipped with foot brake brakes fixed support（15-6）, hand brake braking it is solid
Fixed rack（15-5）, the right is provided with front brake wheel cylinder test-bed（17）, rear braking wheel cylinder test-bed（18）, table top（15-1）
The right bottom is provided with floor（15-7）, stand is fixedly mounted（15）Bottom be provided with three air accumulator fixed supports（15-4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621192412.0U CN206670921U (en) | 2016-11-06 | 2016-11-06 | The heavy vehicle of steyr 1491 brakes gas circuit experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621192412.0U CN206670921U (en) | 2016-11-06 | 2016-11-06 | The heavy vehicle of steyr 1491 brakes gas circuit experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206670921U true CN206670921U (en) | 2017-11-24 |
Family
ID=60357472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621192412.0U Expired - Fee Related CN206670921U (en) | 2016-11-06 | 2016-11-06 | The heavy vehicle of steyr 1491 brakes gas circuit experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206670921U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284828A (en) * | 2018-02-02 | 2018-07-17 | 浙江中车电车有限公司 | A kind of electric car efficiently braked |
| CN110487565A (en) * | 2019-09-09 | 2019-11-22 | 深圳巴士集团股份有限公司第二分公司 | A kind of comprehensive checking experiment platform |
| CN111477062A (en) * | 2020-04-24 | 2020-07-31 | 河南护航实业股份有限公司 | Teaching and research is with commercial car air brake AEBS simulation platform |
-
2016
- 2016-11-06 CN CN201621192412.0U patent/CN206670921U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108284828A (en) * | 2018-02-02 | 2018-07-17 | 浙江中车电车有限公司 | A kind of electric car efficiently braked |
| CN110487565A (en) * | 2019-09-09 | 2019-11-22 | 深圳巴士集团股份有限公司第二分公司 | A kind of comprehensive checking experiment platform |
| CN111477062A (en) * | 2020-04-24 | 2020-07-31 | 河南护航实业股份有限公司 | Teaching and research is with commercial car air brake AEBS simulation platform |
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