CN104089748B - A kind of air-brake coupling hose air pressure level pressure detects testing machine - Google Patents
A kind of air-brake coupling hose air pressure level pressure detects testing machine Download PDFInfo
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- CN104089748B CN104089748B CN201410372797.8A CN201410372797A CN104089748B CN 104089748 B CN104089748 B CN 104089748B CN 201410372797 A CN201410372797 A CN 201410372797A CN 104089748 B CN104089748 B CN 104089748B
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Abstract
The invention discloses a kind of air-brake coupling hose air pressure level pressure to detect testing machine, including main machine frame, filter, magnetic valve device and safety-door device, it is characterised in that the testing machine also includes：Source of the gas, test specimen support meanss, cylinder, pressure measuring tie-in, pressure sensor and PLC control system;Source of the gas is connected to cylinder and provides tested media for testing machine by filter and magnetic valve, and medium is compressed gas；Cylinder is arranged in test specimen support meanss, installed in pressure measuring tie-in one end；Pressure sensor is arranged on cylinder, and is accessed in PLC control system, and pressure sensor detects the barometric information of test hose, and is sent to access PLC control system, completes the detection of testing machine air-brake coupling hose.The detection means reliability is high, and applicability is wide, and pressure test is accurate, can preferably assess air-brake coupling hose blocking whether and voltage endurance capability.
Description
Technical field
The invention belongs to the technical field of air-brake coupling hose performance aircraft, more particularly to air-brake coupling hose high pressure air pressure level pressure is examined
Survey device and its test method.
Background technology
Air-brake coupling hose voltage endurance capability is one of important indicator for weighing flexible pipe performance, and air-brake coupling hose is blocked, reveals or ruptured
Brake failure will be caused to cause traffic accident.There is corresponding air-brake coupling hose test stone in China at present（GB16897-2010）,
Define air-brake coupling hose voltage endurance capability and test method.Provided based on this standard, what traditional air-brake coupling hose pressure detecting used
It is substantially by the use of water as medium and is tested, it mainly has following defect and deficiency：First, tested with hydraulic pressure, it is so high
Hydraulic pressure, the pollution to surrounding environment are inevitable；Finish also to obtain after testing and must clear up the water remained in test specimen；With
Air pressure is done experiment can avoid the two problems completely.2nd, water reacts no brake fluid and gas-sensitive to pressure change, in phase
With under pressure condition, if do not leaked with water inspection, with braking fluid inspection it is possible that leakage；If but use air pressure check
Do not leak, can never just be leaked with brake fluid.3rd, for it the air-brake coupling hose of micro leakage be present, if with hydraulic pressure test, very
Possible air-brake coupling hose surface can only raised minute bubbles, if people does not realize somewhat without paying attention to；But tested with air pressure, pass through pressure
Force snesor collection pressure differential differentiates, will show automatically.
Described, traditional air-brake coupling hose pressure detection method is continued the above, there are following many deficiencies：Pollute ring
Border；Multiple operation operates, especially inconvenient, and also great human and material resources waste；Accuracy of detection is low, effect is undesirable.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of higher air-brake coupling hose air pressure of accuracy of detection
Level pressure detects testing machine.In order to achieve the above object, technical scheme is as follows：
The present invention is achieved by the following technical solutions, it is proposed that and a kind of air-brake coupling hose air pressure level pressure detects testing machine,
Including main machine frame, filter, magnetic valve device and safety-door device, it is characterised in that the testing machine also includes：Source of the gas, test specimen
Support meanss, cylinder, pressure measuring tie-in, pressure sensor, PLC control system;Source of the gas is connected to cylinder by filter and magnetic valve,
Tested media is provided for testing machine, the tested media is compressed gas；Cylinder is arranged in test specimen support meanss, installation
In pressure measuring tie-in one end, the pressure measuring tie-in connecting test flexible pipe；Pressure sensor is arranged on cylinder, and accesses PLC controls
In system, the barometric information of the pressure sensor detection test hose, and it is sent to access PLC control system.
Wherein described source of the gas includes high-pressure air source and low-pressure gas source, and the filter includes high pressure filter and low pressure filters
Device, the magnetic valve include high-pressure solenoid valve and low-voltage solenoid valve, and the high-pressure air source is through high pressure filter and high-pressure solenoid valve
Cylinder is connected to, the low-pressure gas source is connected to cylinder through low-pressure filter and low-voltage solenoid valve.
Wherein described pressure sensor, high-pressure solenoid valve, cylinder, pressure measuring tie-in and low-voltage solenoid valve is some groups.
Wherein described test specimen support meanss are provided with the rotation regulating mechanism and moving track and base of angle rotatable, examination
Part support meanss include the first test specimen support meanss and the second test specimen support meanss of corresponding setting, and the first test specimen support dress
Put with left among the second test specimen support meanss be available for install test hose receiving space, moving track and base activity installation
Under rotation regulating mechanism and it can move left and right；
The low pressure that testing machine is wherein made up of described low-pressure gas source, low-voltage solenoid valve, cylinder, pressure measuring tie-in blocks test
System and the everything driving transmission system for completing experiment machine testing;By the high-pressure air source, high-pressure solenoid valve, cylinder and survey
Crimp head forms the high pressure resistant test system of testing machine.
Wherein described pressure measuring tie-in is provided with the rotation detachable clamp locking for being applicable different type flexible pipe testing requirement
Device.
Wherein described PLC control system is arranged on safety door, and the safety door is provided at both ends with slide rail, main machine frame two
End is provided with chute, the safety door be located in the inclined plane of the front portion of testing machine by slide rail along chute slide up and down and
It is turned on and off safety door.A touch-screen is also included in PLC control system, as the interface of man-machine interaction, data is carried out and shows
Show and associative operation, realize automation mechanized operation and intelligent automatic prompt functions.
The lower part of wherein testing machine main machine frame is arranged to tetragonal body structure, and it is incline structure that upper part, which is arranged to front,
Quadrilateral frame.
Wherein described main machine frame, the first test specimen support frame and the second test specimen support frame, safety door 11 and moving track and
The composition material of base is aluminum alloy materials.
Beneficial effects of the present invention：
1st, by the detection path being made up of source of the gas, filter, magnetic valve, cylinder etc., using gas as tested media,
Accuracy of detection is high, effect is good；
2nd, applicability is wide, can adapt to the test request of all species flexible pipes；
3rd, pressure test is accurate, can preferably assess air-brake coupling hose blocking whether and voltage endurance capability.
Brief description of the drawings
Fig. 1 is the structural representation of air-brake coupling hose air pressure level pressure detection testing machine of the present invention；
Fig. 2 is each modular construction schematic diagram of air-brake coupling hose air pressure level pressure detection testing machine of the present invention；
Fig. 3 is the construction profile of air-brake coupling hose air pressure level pressure detection testing machine of the present invention.
Each mark is expressed as in figure：
Main machine frame 1, source of the gas 2, low-pressure gas source 21, high-pressure air source 22, filter 3, low-pressure filter 31, high pressure filter
32, magnetic valve 4, low-voltage solenoid valve 41, high-pressure solenoid valve 42, test specimen support meanss 5, the examination of the first test specimen support meanss 51, second
Part support meanss 52, cylinder 6, cylinder 61, cylinder 62, pressure measuring tie-in 7, pressure measuring tie-in 71, pressure measuring tie-in 72, pressure sensor 8,
PLC control system 9, touch-screen 10, safety door 11.
Embodiment
Telling about embodiment with reference to Fig. 1, Fig. 2 and Fig. 3, the present invention is further elaborated：
The effect of the air-brake coupling hose air pressure level pressure of embodiment 1 detection experiment machine equipment composition and each part：
The present invention proposes a kind of air-brake coupling hose air pressure level pressure detection testing machine, including main machine frame 1, filter 3, electromagnetism
Valve device 4 and the device of safety door 11, it is characterised in that the testing machine also includes：Source of the gas 2, test specimen support meanss 5, cylinder 6, pressure measurement
Joint 7, pressure sensor 8 and PLC control system 9;Source of the gas 2 is connected to cylinder 6 and carried for testing machine by filter 3 and magnetic valve 4
For tested media, tested media is compressed gas；Cylinder 6 is arranged in test specimen support meanss 5, installed in pressure measuring tie-in 7
One end, when testing machine testing, test hose both ends are all connected with pressure measuring tie-in；Pressure sensor 8 is arranged on cylinder 6, and is connect
Enter in PLC control system 9, the pressure sensor 8 detects the barometric information of test hose, and is sent to access PLC controls system
System 9.The order of connection that each part of testing machine detecting system is made up of above connected mode is followed successively by source of the gas 2, filter 3, electricity
Magnet valve 4, cylinder 61, pressure measuring tie-in 71, test hose, pressure measuring tie-in 72, cylinder 62, pressure sensor 8 and PLC control system 9,
Data variation by detecting air pressure before and after test hose completes the detection of testing machine, and passes through PLC control system and pressure passes
The signal of sensor collection forms operation control system, realizes to pressure, time, the control of relevant action.
Source of the gas 2 includes low-pressure gas source 21 and high-pressure air source 22, and low-pressure gas source gas pressure size is 0.3MPa-0.6MPa,
The gas pressure size of high-pressure air source 22 is 0.5MPa-25.0MPa, preferably 13.5MPa-15.0PMa;Filter 3 includes low
Press through filter 31 and high pressure filter 32 is connected the impurity in filtered compressed gas with low-pressure gas source and high-pressure air source respectively；Electromagnetism
Valve 4 includes low-voltage solenoid valve 41 and high-pressure solenoid valve 42, and the entrance and discharge of gas are controlled by high-pressure solenoid valve 42；Low pressure gas
Source 21 is connected to cylinder through low-pressure filter 32 and low-voltage solenoid valve 41, and high-pressure air source 21 is through high pressure filter 32 and high-voltage electromagnetic
Valve 42 is connected to cylinder.
This air-brake coupling hose air pressure level pressure detection testing machine has multigroup detecting system, pressure sensor 8, low-voltage solenoid valve 41,
Cylinder 6, pressure measuring tie-in 7 and high-pressure solenoid valve 42 are some groups, can carry out multigroup test simultaneously.
Test specimen support meanss set 5 rotation regulating mechanisms and moving track and base for having angle rotatable, test specimen support
Device includes the first test specimen support meanss 51 and the second test specimen support meanss 52 of corresponding setting, and the first test specimen support meanss
51 and second leave the receiving space for being available for installing test hose, moving track and base activity peace among test specimen support meanss 52
Under rotation regulating mechanism and it can move left and right；
Air-brake coupling hose air pressure level pressure detection testing machine detecting system detects in two steps, including low pressure blocks test and resistance to height
Pressure test, the low pressure that testing machine is made up of described low-pressure gas source 21, low-voltage solenoid valve 41, cylinder 6, pressure measuring tie-in 7 block survey
Test system and the driving transmission system for completing experiment machine testing everything；By high-pressure air source 22, high-pressure solenoid valve 42, cylinder 6
The high pressure resistant test system of testing machine is formed with pressure measuring tie-in.
Pressure measuring tie-in 7 in test specimen support meanss 5 is provided with applicable different tube diameters size and different materials type
Deng the rotation detachable clamp locking device of flexible pipe testing requirement.
On safety door 11, safety door 11 is provided at both ends with slide rail for PLC control system installation 9, and main machine frame both ends are set
There is chute, safety door 11 is located in the inclined plane of the front portion of testing machine to be slided up and down to open or close by slide rail along chute
Close safety door.A touch-screen 10 is also included in PLC control system 9, as the interface of man-machine interaction, progress data are shown and phase
Operation is closed, realizes automation mechanized operation and intelligent automatic prompt functions.
The lower part of testing machine main machine frame 1 is arranged to tetragonal body structure, and it is incline structure that upper part, which is arranged to front,
Quadrilateral frame.Main machine frame 1, the first test specimen support frame 51, the second test specimen support frame 52, safety door 11 and moving track and bottom
The composition material of seat is aluminum alloy materials.
The air-brake coupling hose air pressure level pressure of embodiment 2 detects the course of work of testing machine：
Low-pressure gas source 21, high-pressure air source 22 and power supply are connected, source of the gas air valve is opened, turns on the power switch, make high-pressure air source
22 reach high-pressure solenoid valve 42 after the filtering of high pressure filter 32, low-pressure gas source 21 is reached after the filtering of low-pressure filter 31 low
Pressure electromagnetic valve 41；The detachable fixture locking device of the rotation of pressure measuring tie-in 7 is adjusted, to adapt to tested flexible pipe, checks and surveys
Whether crimp head 7 is intact, and in place whether each action of manually operated inspection, it is errorless to confirm that each position is ready for, then in people
The selection of machine interface touch-screen 10 is automatically brought into operation state；Acted by cylinder 6 and test specimen is fixed and uses the clamp lock of pressure measuring tie-in 7
Tight device seals test specimen two ends, by floor push, into auto test flow：First whether test hose pipeline is detected with low pressure gas
Insertion, low pressure block measurement circuit and are：Tested media in low-pressure gas source 21 is led to successively after low-pressure filter 31 goes the removal of impurity
Low-voltage solenoid valve 41, cylinder 61, pressure measuring tie-in 71, test hose, pressure measuring tie-in 72, cylinder 62 are crossed, pressure sensor 8 is received and adopted
Collection signal sends PLC control system 9 to and touch-screen 10 forms the low pressure blocking test system of testing machine；Then high-tension electricity is passed through
Magnet valve 41 is put into gas and carries out high pressure resistant test, and high pressure resistant measurement circuit is：Tested media in high-pressure air source 22 presses through through height
Filter 32 passes sequentially through high-pressure solenoid valve 42, cylinder 61, pressure measuring tie-in 71, test hose, pressure measuring tie-in 72, gas after going the removal of impurity
Cylinder 62, pressure sensor 8 receive the high pressure resistant survey that collection signal sends PLC control system 9 and the composition testing machine of touch-screen 10 to
Test system.Wherein low-pressure gas source 21, cylinder 6, low-voltage solenoid valve 41, the driving transmission system of the composition testing machine of pressure measuring tie-in 7 are complete
The everything of test and high pressure resistant test is blocked into testing machine low pressure.Pass through person-computer union 10, PLC electrical controls system
The pressure data that system 9 and pressure sensor 8 gather completes whether low voltage experiment blocks, and high pressure resistant test.If last test
During have substandard product, red led is bright, and alarms, and presses reset knob, stop alarm, changes test hose and simultaneously opens
Beginning next round is tested.
Above embodiment and test method are detailed description of the invention, it is impossible to assert the specific reality of the present invention
The mode of applying is confined to these explanations, for general technical staff of the technical field of the invention, is not departing from this hair
On the premise of bright design, some simple deductions can also be made and substituted, should all be considered as belonging to protection scope of the present invention.
Claims (3)
1. a kind of air-brake coupling hose air pressure level pressure detects testing machine, including main machine frame, filter, magnetic valve device and safety door dress
Put, it is characterised in that the testing machine also includes：Source of the gas, test specimen support meanss, cylinder, pressure measuring tie-in, pressure sensor, PLC controls
System processed；Source of the gas is connected to cylinder by filter and magnetic valve, provides tested media for testing machine, the tested media is through pressure
The gas of contracting；Cylinder is arranged in test specimen support meanss, and installed in pressure measuring tie-in one end, the pressure measuring tie-in connecting test is soft
Pipe；Pressure sensor is arranged on cylinder, and is accessed in PLC control system；
Wherein, the order of connection of each part is followed successively by source of the gas, filter, magnetic valve, cylinder, pressure measuring tie-in, test hose, pressure measurement
Joint, cylinder, pressure sensor and PLC control system, experiment is completed by the data variation for detecting air pressure before and after test hose
The detection of machine, and the signal gathered by PLC control system and pressure sensor forms operation control system, realizes to pressure,
Time, the control of relevant action；
The test specimen support meanss are provided with the rotation regulating mechanism and moving track and base of angle rotatable, test specimen support dress
Put the first test specimen support meanss and the second test specimen support meanss including corresponding setting, and the first test specimen support meanss and second
The receiving space for being available for installing test hose is left among test specimen support meanss, moving track and base are movably arranged on rotation and adjusted
Under section mechanism and it can move left and right；
Wherein, the source of the gas includes high-pressure air source and low-pressure gas source, and the filter includes high pressure filter and low-pressure filter,
The magnetic valve includes high-pressure solenoid valve and low-voltage solenoid valve, and the high-pressure air source connects through high pressure filter with high-pressure solenoid valve
In cylinder, the low-pressure gas source is connected to cylinder through low-pressure filter and low-voltage solenoid valve；The gas pressure of the low-pressure gas source
Size is 0.3MPa-0.6MPa；The gas pressure size of the high-pressure air source is 0.5MPa-25.0MPa；
Described pressure sensor, high-pressure solenoid valve, cylinder, pressure measuring tie-in and low-voltage solenoid valve is some groups；
The pressure measuring tie-in is provided with the rotation detachable clamp locking device for being applicable different type flexible pipe testing requirement.
2. a kind of air-brake coupling hose air pressure level pressure detection testing machine according to claim 1, it is characterised in that by described low
The low pressure that pressurized air source, low-voltage solenoid valve, cylinder, pressure measuring tie-in form testing machine blocks test system and completes experiment machine testing
Everything drives transmission system；The resistance to height of testing machine is made up of the high-pressure air source, high-pressure solenoid valve, cylinder and pressure measuring tie-in
Press test system.
3. air-brake coupling hose air pressure level pressure according to claim 1 detects testing machine, it is characterised in that the PLC controls system
System is arranged on safety door, and the safety door is provided at both ends with slide rail, and main machine frame is provided at both ends with chute, and the safety door leads to
Slide rail is crossed to slide up and down along chute and be turned on and off safety door.
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| CN201410372797.8A CN104089748B (en) | 2014-07-31 | 2014-07-31 | A kind of air-brake coupling hose air pressure level pressure detects testing machine |
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| CN201410372797.8A CN104089748B (en) | 2014-07-31 | 2014-07-31 | A kind of air-brake coupling hose air pressure level pressure detects testing machine |
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| CN104089748A CN104089748A (en) | 2014-10-08 |
| CN104089748B true CN104089748B (en) | 2018-01-23 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104406744B (en) * | 2014-12-13 | 2017-02-22 | 芜湖哈特机器人产业技术研究院有限公司 | Detecting tooling for vacuum and high-pressure leakproofness of brake caliper |
| CN106052975A (en) * | 2016-07-16 | 2016-10-26 | 侯华恩 | Automatic no-water pressure tester |
| CN106969911A (en) * | 2017-04-28 | 2017-07-21 | 襄阳国铁机电股份有限公司 | A kind of locomotive brake hose test device |
| CN108918053A (en) * | 2018-07-12 | 2018-11-30 | 罗莱生活科技股份有限公司 | Exchange heat mattress sealing ventilation tester and test method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58179331A (en) * | 1982-04-14 | 1983-10-20 | Toyoda Gosei Co Ltd | Leak detecting device of brake hose |
| DE4307283C2 (en) * | 1993-03-08 | 1996-04-18 | Messmann Josef Fa | Device for testing porous pipes or the like for leaks and method therefor |
| CN2854564Y (en) * | 2005-12-23 | 2007-01-03 | 重庆宗申技术开发研究有限公司 | Pressure testing device for vehicle air intake pipe |
| CN2867326Y (en) * | 2005-12-30 | 2007-02-07 | 石家庄南车铁龙机电有限公司 | Apparatus for detecting railway rolling stock braking hose connector airtightness |
| CN201034798Y (en) * | 2007-03-30 | 2008-03-12 | 齐齐哈尔轨道交通装备有限责任公司 | Braking pipe air tightness test-bed |
| CN201859043U (en) * | 2010-09-19 | 2011-06-08 | 南车青岛四方机车车辆股份有限公司 | Apparatus for cleaning and sealing detection of brake pipelines of a track vehicle |
| CN202066651U (en) * | 2011-02-17 | 2011-12-07 | 大连三高集团有限公司 | Titanium welded pipe air tightness testing machine |
| CN102798504B (en) * | 2012-08-22 | 2014-10-29 | 潍柴西港新能源动力有限公司 | Leakage detector |
| CN204064590U (en) * | 2014-07-31 | 2014-12-31 | 上海远梓电子科技有限公司 | A kind of air-brake coupling hose air pressure level pressure detection experiment machine |
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