CN206862636U - A kind of trailer braking protection valve reaction time measurement apparatus - Google Patents
A kind of trailer braking protection valve reaction time measurement apparatus Download PDFInfo
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- CN206862636U CN206862636U CN201720315547.XU CN201720315547U CN206862636U CN 206862636 U CN206862636 U CN 206862636U CN 201720315547 U CN201720315547 U CN 201720315547U CN 206862636 U CN206862636 U CN 206862636U
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- branch road
- gas receiver
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- trailer
- tie point
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Abstract
The utility model discloses a kind of trailer braking protection valve reaction time measurement apparatus, including gas receiver, regular hexahedron framework and universal rolling wheel, gas receiver is vertically installed at the lower floor of regular hexahedron framework, and tie point, the second branch road and the 3rd branch road are provided with the upper strata of regular hexahedron framework；Tie point is used to compressed air being connected to gas receiver, is provided with the first stop valve, pressure regulator valve, the first manometer and more than first logical crossover subs on the first leg；Second branch road is used to another outlet of more than first logical crossover subs being connected to trailer supply air line, and the second stop valve is provided with the second branch road；3rd branch road is used to the gas of gas receiver being connected to trailer control piper, magnetic valve, adjustable metering-orifice, the second manometer and more than second logical crossover subs are provided with the 3rd branch road, one of outlet side that crossover sub is led to second is used to be connected with trailer control piper more.It is compact-sized, occupy little space, conveniently moving, and it is simple in construction, manufacturing cost is low.
Description
Technical field
The utility model automobile test Instrument technology field, and in particular to a kind of to be used to measure the trailer braking protection valve reaction time
Device.
Background technology
The regulation selected parts that the GB12676-1999 6.16.4 trailer braking protection valve reaction time measures are as follows：
6.16.4 the measure in trailer braking protection valve reaction time
The reaction time of trailer measures in the case of should being disengaged with tractor, but should install one and replace the simulation of tractor to fill
Put the control piper for being connected to trailer and energy transmission lines joint.
6.16.4.1 analogue means
Analogue means should have the gas receiver that a volume is 30L, and every time before experiment, gas receiver pressure is 0.65MPa.Examination
, must not be reinflated in testing.In the output end of brake control, analogue means should have a diameter of 4~4.3mm metering-orifice,
Should be 385mL ± 5mL from the volume of one section pipeline of the metering-orifice to trailer joint and including the joint, (this volume is equal to length
Volume of 2.5m, internal diameter the 13mm pipe under 0.65MPa pressure).6.16.4.2 the control piper pressure described in bar should be in close proximity to
Metering-orifice equipped at outlet port measures.
6.16.4.2 the adjustment of analogue means
Analogue means installation should ensure that：Metering-orifice diameter should meet 6.16.4.1 requirements.It is 385mL when the device connects volume
During ± 5mL gas receiver, it is 0.2s ± 0.01s that pressure rises to 0.49MPa required times from 0.065MPa；When being with volume
When 1155mL ± 15mL gas receiver replaces above-mentioned gas receiver, under the premise of any adjustment is not made, pressure rises from 0.065MPa
0.38s ± 0.02s is should be to 0.49MPa required times.The process of this pressure buildup is similar to linearly.
6.16.4.3 measuring method
A) simulation Zhang Zhi is connected on experiment trailer, energy transmission lines pressure is 0.65MPa；
B) steady-state value of trailer braking protection valve gas room pressure is determined；
C) measurement control piper pressure, which reaches 0.065MPa and plays trailer braking protection valve gas room pressure, reaches its steady-state value
The time required to when 75%.
Existing trailer braking protection valve reaction time measurement apparatus is very few, and generally existing is complicated, layout is not good enough, space-consuming
Greatly, the problems such as manufacturing cost is high.
Utility model content
The utility model aims to provide a kind of trailer braking protection valve simple in construction, rationally distributed, compact-sized, manufacturing cost is low
Reaction time measurement apparatus.
Therefore, technical scheme is used by the utility model：A kind of trailer braking protection valve reaction time measurement apparatus, including hold
Product is 30L, the gas receiver that maximum working pressure (MWP) is 1.2MPa, in addition to by aluminum alloy bar assemble it is point bilevel just
Hexahedron framework, the bottom of the regular hexahedron framework are provided with four universal rolling wheels in rectangular layout, and the gas receiver erects
The straight lower floor for being arranged on regular hexahedron framework, the bottom of gas receiver is provided with inlet suction port and air outlet adapter；
The upper strata of the regular hexahedron framework is provided with tie point, the second branch road and the 3rd branch road；Described first
Road is used to compressed air being connected to gas receiver, is provided with the first stop valve, pressure regulator valve, the first manometer and the on the first leg
Leading to crossover sub one, one of outlet side that crossover sub is led to described first is connected more with the inlet suction port of gas receiver more；Institute
State the second branch road to be used to another outlet of more than first logical crossover subs being connected to trailer supply air line, on the second branch road
It is provided with the second stop valve；3rd branch road is used to the gas of gas receiver being connected to trailer control piper, on the 3rd branch road
Magnetic valve, adjustable metering-orifice, the second manometer and more than second logical crossover subs are provided with, lead to wherein the one of crossover sub more second
Individual outlet side is used to be connected with trailer control piper, and another outlet side that crossover sub is led to second is used to be vented and put more
Dead end is provided with the 3rd stop valve, a diameter of 4~4.3mm of the adjustable metering-orifice.
As the preferred of such scheme, the tie point forms " L " shape arrangement with the second branch road, and the 3rd branch road is in " L "
Shape arranges, the front half section of the 3rd branch road close to the second branch road and with the second leg parallel, the second half section of the 3rd branch road, tie point
Abreast be arranged on the both sides of the front half section of the 3rd branch road, leading to described second more crossover sub inlet end and two outlet sides
Line is vertical；Further preferred arrangement, make overall structure more compact, and save pipeline, reduce cost.
In addition, first manometer, the second pressure measurement are calculated as pressure sensor, it is more accurate compared to gauge measurement.
The beneficial effects of the utility model：Make compact overall structure by optimizing layout, occupy little space, conveniently moving,
And it is simple in construction, manufacturing cost is low.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model.
Fig. 2 is Fig. 1 top view.
Embodiment
By way of example and in conjunction with the accompanying drawings, the utility model is described in further detail：
Trailer braking protection valve reaction time measurement apparatus with reference to shown in Fig. 1-Fig. 2, mainly by gas receiver 1, regular hexahedron framework
2nd, universal rolling wheel 3, the first stop valve 4, pressure regulator valve 5, the first manometer more than 6, first lead to crossover sub 7, the second stop valve 8, electricity
Magnet valve 9, adjustable metering-orifice 10, the second manometer more than 11, second lead to crossover sub 12, the 3rd stop valve 13 and multiple connecting tubes
Composition.
The volume of gas receiver 1 is 30L, maximum working pressure (MWP) 1.2MPa, can adjust metering-orifice 10 a diameter of 4~
4.3mm, to meet standard requirement.
Regular hexahedron framework 2 is assembled by aluminum alloy bar, is divided two layers up and down.The bottom of regular hexahedron framework 2 is set
There are four universal rolling wheels 3 in rectangular layout, be convenient for measuring device movement.Gas receiver 1 is vertically installed at regular hexahedron framework 2
Lower floor, the bottom of gas receiver 1 are provided with inlet suction port and air outlet adapter.
Tie point, the second branch road and the 3rd branch road are provided with the upper strata of regular hexahedron framework 2.
Tie point is used to compressed air being connected to gas receiver 1, and the inlet end of tie point is compressed air inlet port 14,
The first stop valve 4, pressure regulator valve 5, the first manometer more than 6 and first are provided with the first leg and leads to crossover sub 7, are led to first more
One of outlet side of crossover sub 7 is connected with the inlet suction port of gas receiver 1, so as to constitute tie point.
Another outlet that second branch road is used to lead to more than first crossover subs 7 is connected to trailer supply air line, the
The second stop valve 8 is provided with two branch roads.
3rd branch road is used to the gas of gas receiver 1 being connected to trailer control piper, and magnetic valve is provided with the 3rd branch road
9th, it can adjust metering-orifice 10, the second manometer more than 11 and second leads to crossover sub 12.Leading to one of them of crossover sub 12 second more
Outlet side is used to be connected with trailer control piper, and another outlet side that crossover sub 12 is led to second is vented more for gas,
And emptying end is provided with the 3rd stop valve 13.
Preferably, tie point forms " L " shape with the second branch road and arranged, the 3rd L-shaped arrangement of branch road, the 3rd branch road
Front half section is abreast arranged on the 3rd close to the second branch road and with the second leg parallel, the second half section of the 3rd branch road, tie point
The both sides of the front half section of branch road, the inlet end that crossover sub 12 is led to second vertical with the line of two outlet sides more.
First manometer 6, the second manometer 11 are preferably pressure sensor or pressure gauge.
Test operation flow：
The first step：The first stop valve 4 and the second stop valve 8 are opened, the 3rd stop valve 13 is simultaneously closed off and magnetic valve 9 is normal
Close, pipeline is inflated from compressed air inlet port, the admission pressure that pressure regulator valve 5 is adjusted in gas replenishment process is 0.65MPa, to pressure
Table or pressure sensor are shown closes the first stop valve 4 when loine pressure is 0.65MPa；
Second step：385mL gas receiver, correction pressure regulator valve 5 flow to satisfaction are connected at trailer control pipe crossing
6.16.4.2 requirement；
3rd step：After repeating the first step, 1155mL gas receiver is connected at trailer control pipe crossing, correction pressure regulator valve 5 flows
Measure to the requirement for meeting 6.16.4.2；
4th step：After the correction for completing control piper, the first step is repeated, magnetic valve 9 is opened after loine pressure is stable, presses
6.16.4.3 bar is tested.
5th step：After the completion of experiment, magnetic valve 9 is closed, the 3rd stop valve 13 is opened, the residual gas in pipeline is put
It is empty.
Claims (3)
1. a kind of trailer braking protection valve reaction time measurement apparatus, including the gas receiver that volume is 30L, maximum working pressure (MWP) is 1.2MPa
(1), it is characterised in that：Also include point bilevel regular hexahedron framework (2) assembled by aluminum alloy bar, described positive six
The bottom of face body framework (2) is provided with four universal rolling wheels (3) in rectangular layout, and the gas receiver (1) is vertically installed at just
The lower floor of hexahedron framework (2), the bottom of gas receiver (1) are provided with inlet suction port and air outlet adapter；
The upper strata of the regular hexahedron framework (2) is provided with tie point, the second branch road and the 3rd branch road；The tie point
For compressed air to be connected into gas receiver (1), the first stop valve (4), pressure regulator valve (5), the first survey are provided with the first leg
Pressure meter (6) and logical crossover sub (7) more than first, one of outlet side and the gas receiver of crossover sub (7) being led to described first more
(1) inlet suction port is connected；Second branch road is used to another outlet of more than first logical crossover subs (7) being connected to extension
Car supply air line, the second stop valve (8) is provided with the second branch road；3rd branch road is used for the gas of gas receiver (1)
Be connected to trailer control piper, be provided with the 3rd branch road magnetic valve (9), adjustable metering-orifice (10), the second manometer (11) and
Leading to crossover sub (12) second, one of outlet side that crossover sub (12) is led to second is used for and trailer control piper phase more more
Even, another outlet side that crossover sub (12) is led to second is used for gas emptying and emptying end is provided with the 3rd stop valve more
(13), a diameter of 4~4.3mm of the adjustable metering-orifice (10).
2. trailer braking protection valve reaction time measurement apparatus according to claim 1, it is characterised in that：The tie point and the
Two branch roads form " L " shape arrangement, the 3rd L-shaped arrangement of branch road, and the front half section of the 3rd branch road is close to the second branch road and with second
Leg parallel, the second half section of the 3rd branch road, tie point are abreast arranged on the both sides of the front half section of the 3rd branch road, and described second
The inlet end of more logical crossover subs (12) is vertical with the line of two outlet sides.
3. trailer braking protection valve reaction time measurement apparatus according to claim 1 or 2, it is characterised in that：First pressure measurement
Count (6), the second manometer (11) is pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315547.XU CN206862636U (en) | 2017-03-29 | 2017-03-29 | A kind of trailer braking protection valve reaction time measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720315547.XU CN206862636U (en) | 2017-03-29 | 2017-03-29 | A kind of trailer braking protection valve reaction time measurement apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN206862636U true CN206862636U (en) | 2018-01-09 |
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ID=60816067
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720315547.XU Active CN206862636U (en) | 2017-03-29 | 2017-03-29 | A kind of trailer braking protection valve reaction time measurement apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617970A (en) * | 2018-06-19 | 2019-12-27 | 上海汽车集团股份有限公司 | Parking response time testing system and method |
-
2017
- 2017-03-29 CN CN201720315547.XU patent/CN206862636U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617970A (en) * | 2018-06-19 | 2019-12-27 | 上海汽车集团股份有限公司 | Parking response time testing system and method |
| CN110617970B (en) * | 2018-06-19 | 2021-08-17 | 上海汽车集团股份有限公司 | Parking response time testing system and method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181017 Address after: 400900 No. 9 Tianxing Avenue, Shuangqiao Economic Zone, Chongqing Co-patentee after: China Automotive Engineering Research Institute Co., Ltd. Patentee after: CHONGQING KAIRUI SPECIAL VEHICLE CO., LTD. Address before: 401122 9 Jinyu Avenue, Yubei District, Chongqing Patentee before: China Automotive Engineering Research Institute Co., Ltd. |