CN204422217U - A kind of analogue means measuring the trailer braking protection valve reaction time - Google Patents
A kind of analogue means measuring the trailer braking protection valve reaction time Download PDFInfo
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- CN204422217U CN204422217U CN201520083142.9U CN201520083142U CN204422217U CN 204422217 U CN204422217 U CN 204422217U CN 201520083142 U CN201520083142 U CN 201520083142U CN 204422217 U CN204422217 U CN 204422217U
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- valve
- analogue means
- reversal
- reversal valve
- reaction time
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Abstract
The utility model relates to the testing equipment that the test of trailer braking protection valve security performance uses, and discloses a kind of analogue means measuring the trailer braking protection valve reaction time, comprises air drum and air inlet pipeline, the supply air line of analogue means, the pilot piping of analogue means of 30L; Described air inlet pipeline comprises hand shaking valve, reversal valve, solenoid valve, pressure transducer and stop valve further; The supply air line of described analogue means comprises reversal valve and hand shaking valve further; The pilot piping of described analogue means comprises reversal valve, throttling valve, reduction valve, pressure tap, analogue means switch sum counter further.The utility model is reached by the interlock mechanism be made up of stop valve, solenoid valve, pressure transducer and maintains the stable object of air drum internal gas pressure, reversal valve in addition in the utility model all adopts two-bit triplet electrically-controlled valve to replace pneumatic valve conventional in conventional apparatus, thus makes the manipulation of analogue means become simple and convenient.
Description
Technical field:
The utility model relates to the testing equipment that the test of trailer braking protection valve security performance uses, especially a kind of analogue means measuring the trailer braking protection valve reaction time.
Background technology:
In the past the experts and scholars of various countries for the study general of semi-trailer train clamping device and performance mainly in car load or carry out research for the clamping device of tractor and performance separately and test, and have ignored braking ability analysis is carried out to semitrailer, but in Drop and pull transport process, a tractor can carry out mating with many semitrailers thus make the brake reaction time studying semitrailer particularly important.The measurement of traditional semitrailer brake reaction time is generally use the light oscillograph on strainmeter the pressure change records in braking procedure to be got off, and goes out result by hand computation; Also have scholar to develop with chip microprocessor to be the trailer braking protection valve reaction time measurement mechanism of core in recent years, but its speed and memory capacity less, can not log history measurement data, and corresponding speed is slower.In addition, according to the requirement of standard GB/T 12676-1999, before each test, the pressure of air drum is 0.65MPa, but in existing measurement mechanism, cannot control the gaseous tension in air drum exactly.
Summary of the invention
The purpose of this utility model is: for solving above-mentioned the problems of the prior art, a kind of analogue means measuring the trailer braking protection valve reaction time is provided, by by stop valve, solenoid valve, the interlock mechanism of pressure transducer composition thus reach and maintain the stable object of air drum internal gas pressure, reversal valve in addition in the utility model all adopts two-bit triplet electrically-controlled valve to replace pneumatic valve conventional in conventional apparatus, thus make the manipulation of analogue means become simple and convenient, and the data acquisition unit of the utility model employing is the LR8400-21 of built-in 8 channel frequence test interfaces, thus substantially increase the picking rate of data.
For achieving the above object, the technical solution adopted in the utility model is: provide a kind of analogue means measuring the trailer braking protection valve reaction time, comprise, the air drum 13 of 30L, and air inlet pipeline, the supply air line of analogue means, the pilot piping of analogue means; Described air inlet pipeline comprises tractor hand shaking valve 1, reversal valve 2, solenoid valve 3, pressure transducer 5 and stop valve 11 further; The supply air line of described analogue means comprises reversal valve 2, reversal valve 12 and hand shaking valve 14 further; The pilot piping of described analogue means comprises reversal valve 6, reversal valve 7, reduction valve 8, reversal valve 10, throttling valve 15 further, pressure tap 16, analogue means switch 17 sum counter 18; Described air inlet pipeline one end is connected with tractor, and the other end is connected with air drum 13; Supply air line one end of described analogue means is connected with air drum 13, and the other end is connected with trailer; Pilot piping one end of described analogue means is connected with air drum 13, and the other end is connected with trailer.
Further, the metering-orifice diameter of described throttling valve 15 is 4 ~ 4.3mm.
Further, described pressure transducer 5 and solenoid valve 3 can trigger the closedown of stop valve 11.
Further, described analogue means switch 17 can flip-flop number 18.
Further, the reversal valve used in analogue means all adopts two-bit triplet electrically-controlled valve.
The advantage that the utility model has and good effect are: in the utility model, in air inlet pipeline, air drum, pilot piping and supply air line reasonable Arrangement and under coordinating, the measurement test in trailer braking protection valve reaction time can be completed quickly and easily, before each on-test, gaseous tension in air drum 13 can both remain on 0.65MPa, and analogue means switch 17 can flip-flop number 18, thus makes operator can remember clearly number of times service brake being carried out to total travel braking.
Accompanying drawing explanation
Fig. 1 is a kind of General layout Plan schematic diagram measuring the analogue means in trailer braking protection valve reaction time of the utility model.
Fig. 2 be the utility model analogue means with by the schematic diagram tested trailer and be connected.
Fig. 3 is that the utility model is in order to maintain the stop valve interlocking schematic diagram of the stable gas pressure design of air drum.
Accompanying drawing identifies: 1-tractor hand shaking valve, 2-reversal valve, 3-solenoid valve, 4-rain glass, 5-pressure transducer, 6-reversal valve, 7-reversal valve, 8-reduction valve, 9-rain glass, 10-reversal valve, 11-stop valve, 12-reversal valve, the air drum of 13-30L, 14-hand shaking valve, 15-throttling valve, 16-pressure tap, 17-analogue means switch, 18-counter, 19-hand shaking valve, 20-hand shaking valve, 21-hand shaking valve, 22-emergency relay valve, 23-brake chamber, 24-pressure switch.
Embodiment
In order to the more deep understanding of the utility model, below in conjunction with accompanying drawing, the utility model is described in detail.
With reference to Fig. 1, a kind of analogue means measuring the trailer braking protection valve reaction time of the utility model includes air drum 13, air inlet pipeline, the supply air line of analogue means, the pilot piping of analogue means.Hand shaking valve 1 in air inlet pipeline is connected with the air supply opening of tractor, and when reversal valve 2 is pressed, hand shaking valve 1 works, and gas enters air drum 13 by reversal valve 2, stop valve 11, thus completes as air drum inflation.Hand shaking valve 14 in analogue means supply air line is connected with trailer, and when reversal valve 2 and reversal valve 12 are mentioned, hand shaking valve 14 works, by air drum 13 by supply air line to trailer air feed; When reversal valve 2 mention, reversal valve 12 press time, keep the gaseous tension of air drum 13 constant, be exhausted by trailer hand shaking valve 14.Hand shaking valve 19 in analogue means pilot piping is connected with trailer, and when reversal valve 6 is pressed, reversal valve 6 gas circuit is below exhausted; When reversal valve 6 is mentioned, air drum 13 is connected with gas circuit below; When reversal valve 7 press, reversal valve 10 press time, reduction valve 8 works, and hand shaking valve 19 is given vent to anger through reduction valve; When reversal valve 7 mention, reversal valve 10 mention time, throttling valve 15 works, and hand shaking valve 19 is given vent to anger through throttling valve.
With reference to Fig. 2, the utility model is a kind of to be measured the analogue means in trailer braking protection valve reaction time and is tested the connected mode of Trailer braking device.Included emergency relay valve 22, brake chamber 23 and pressure switch 24 by test Trailer braking device, wherein, supply air line, the pilot piping of analogue means are connected with emergency relay valve 22 respectively by hand shaking valve.In process of the test, data acquisition unit LR8400-21 is connected respectively to analogue means switch 17 and pressure switch 24, carries out data acquisition.
With reference to Fig. 3, the utility model is in order to maintain the stop valve interlocking schematic diagram of the stable gas pressure design of air drum 13.Interlocking process: wherein, stop valve 11 is selected as stop valve open in usual, and under normal condition, solenoid valve 3 obtains electric, and 2. air intake opening is opened, and 3. exhausr port closes, and 1. gas circuit, is 2. connected, the normal air feed of stop valve; When the gaseous tension of air drum 13 reaches 0.65MPa, pressure transducer 5 is to solenoid valve transmission of signal, and solenoid valve dead electricity, 2. air intake opening closes, and 3. exhausr port is opened, and 1. gas circuit, is 3. connected, and stop valve 11 air feed interrupts.
Above content is the further description done the present invention in conjunction with optimal technical scheme, can not assert that the concrete enforcement of invention is only limitted to these explanations.Concerning general technical staff of the technical field of the invention, under the prerequisite not departing from design of the present invention, simple deduction and replacement can also be made, all should be considered as protection scope of the present invention.
Claims (4)
1. measure the analogue means in trailer braking protection valve reaction time for one kind, it is characterized in that, described a kind of analogue means measuring the trailer braking protection valve reaction time comprises air drum (13) and air inlet pipeline, the supply air line of analogue means, the pilot piping of analogue means of 30L; Described air inlet pipeline comprises tractor hand shaking valve (1), reversal valve (2), solenoid valve (3), pressure transducer (5) and stop valve (11) further; The supply air line of described analogue means comprises reversal valve (2), reversal valve (12) and hand shaking valve (14) further; The pilot piping of described analogue means comprises reversal valve (6), reversal valve (7), reduction valve (8), reversal valve (10), throttling valve (15) further, pressure tap (16), analogue means switch (17) sum counter (18); Described air inlet pipeline one end is connected with tractor, and the other end is connected with air drum (13); Supply air line one end of described analogue means is connected with air drum (13), and the other end is connected with trailer; Pilot piping one end of described analogue means is connected with air drum (13), and the other end is connected with trailer.
2. analogue means according to claim 1, it is characterized in that, comprise solenoid valve (3), pressure transducer (5) and stop valve (11), described pressure transducer (5) and solenoid valve (3) can trigger the closedown of stop valve (11).
3. analogue means according to claim 1, is characterized in that, comprises analogue means switch (17) sum counter (18), and described analogue means switch (17) can flip-flop number (18).
4. analogue means according to claim 1, is characterized in that, the reversal valve used in analogue means all adopts two-bit triplet electrically-controlled valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083142.9U CN204422217U (en) | 2015-02-04 | 2015-02-04 | A kind of analogue means measuring the trailer braking protection valve reaction time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083142.9U CN204422217U (en) | 2015-02-04 | 2015-02-04 | A kind of analogue means measuring the trailer braking protection valve reaction time |
Publications (1)
| Publication Number | Publication Date |
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| CN204422217U true CN204422217U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520083142.9U Expired - Fee Related CN204422217U (en) | 2015-02-04 | 2015-02-04 | A kind of analogue means measuring the trailer braking protection valve reaction time |
Country Status (1)
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| CN (1) | CN204422217U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398434A (en) * | 2015-11-27 | 2016-03-16 | 中国重汽集团柳州运力专用汽车有限公司 | Aluminum alloy braking system for semi-trailer |
| CN109109852A (en) * | 2018-09-18 | 2019-01-01 | 中国汽车技术研究中心有限公司 | A kind of portable trailer air-pressure brake response time parameter measuring device |
| CN110160801A (en) * | 2019-05-06 | 2019-08-23 | 中国汽车技术研究中心有限公司 | A kind of semitrailer air-pressure brake performance actual road test system |
| CN112937628A (en) * | 2021-03-12 | 2021-06-11 | 中国铁道科学研究院集团有限公司 | Train brake cylinder pressure control method and system |
| CN113358374A (en) * | 2021-08-06 | 2021-09-07 | 中汽研汽车检验中心(宁波)有限公司 | Multifunctional brake test device and method for commercial vehicle |
| CN115052796A (en) * | 2020-02-18 | 2022-09-13 | 沃尔沃卡车集团 | Dual trailer connection and automatic detection |
-
2015
- 2015-02-04 CN CN201520083142.9U patent/CN204422217U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398434A (en) * | 2015-11-27 | 2016-03-16 | 中国重汽集团柳州运力专用汽车有限公司 | Aluminum alloy braking system for semi-trailer |
| CN109109852A (en) * | 2018-09-18 | 2019-01-01 | 中国汽车技术研究中心有限公司 | A kind of portable trailer air-pressure brake response time parameter measuring device |
| CN110160801A (en) * | 2019-05-06 | 2019-08-23 | 中国汽车技术研究中心有限公司 | A kind of semitrailer air-pressure brake performance actual road test system |
| CN115052796A (en) * | 2020-02-18 | 2022-09-13 | 沃尔沃卡车集团 | Dual trailer connection and automatic detection |
| CN112937628A (en) * | 2021-03-12 | 2021-06-11 | 中国铁道科学研究院集团有限公司 | Train brake cylinder pressure control method and system |
| CN112937628B (en) * | 2021-03-12 | 2023-09-22 | 中国铁道科学研究院集团有限公司 | Train brake cylinder pressure control method and system |
| CN113358374A (en) * | 2021-08-06 | 2021-09-07 | 中汽研汽车检验中心(宁波)有限公司 | Multifunctional brake test device and method for commercial vehicle |
| CN113358374B (en) * | 2021-08-06 | 2021-11-02 | 中汽研汽车检验中心(宁波)有限公司 | Multifunctional brake test device and method for commercial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315226 727 Binhai Second Road, Hangzhou Bay New Area, Ningbo, Zhejiang Province Patentee after: China Auto Research Automobile Inspection Center (Ningbo) Co.,Ltd. Address before: 315336 727 Binhai Second Road, Hangzhou Bay New Area, Ningbo City, Zhejiang Province Patentee before: CATARC AUTOMOTIVE QUALITY INSPECTION CENTER (NINGBO) CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20220204 |