CN102507178B - Test device of altitude valve and differential valve - Google Patents
Test device of altitude valve and differential valve Download PDFInfo
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- CN102507178B CN102507178B CN201110403857.4A CN201110403857A CN102507178B CN 102507178 B CN102507178 B CN 102507178B CN 201110403857 A CN201110403857 A CN 201110403857A CN 102507178 B CN102507178 B CN 102507178B
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- altitude valve
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Abstract
The invention relates to a test device of an altitude valve and a differential valve, the test device comprises a mechanical part, a measurement and control system and a pneumatic system, wherein the mechanical part comprises a measurement and control cabinet, an altitude valve testing tool and a differential valve testing tool, and the measurement and control cabinet is provided with the measurement and control system and the pneumatic system. The structural design of a testing tool in the invention is reasonable, and the structure is concise; test data is tested by adopting a method combining a pressure sensor and a flow sensor for altitude valve and differential valve test boards, and a service test of a motor train unit altitude valve can be compatible, the testing accuracy is greatly improved, a rapid locking nut is used for fixing the altitude valve, and the installed efficiency of the altitude valve is improved. An altitude valve test board can perform a performance test on a CRH (Critical Relative Humidity) serial altitude valve, and the differential valve can perform the performance test on the CRH altitude valve. The test device can check on the performances of the altitude valve and the differential valve after overhauling, the overhauling quality of the altitude valve and the differential valve is improved, the altitude valve and differential valve test board is controlled by a high-performance microcomputer to control and collect data, the measurement is accurate, and the automaticity is high.
Description
Technical field
The present invention relates to a kind of valve body testing device, particularly a kind of test unit that can test the properties of altitude valve, differential pressure valve.
Background technology
At present, runing CRH1, CRH2, CRH3 and CRH5 EMUs is principal mode trains of High Speed Train in China, for meeting the maintenance demand of train, the Ministry of Railways in Beijing, Shanghai, Wuhan, Guangzhou built respectively large-scale overhaul of train-set base.Altitude valve, the differential pressure valve of the various motor train unit of operation all need to get off to overhaul in the time that A4 repaiies at present, need corresponding test tool to test overhauling complete parts simultaneously, after stand the test, just can entrucking use.Automaticity is low, and overhaul efficiency is low, and meanwhile, test bed testing quality has much room for improvement.Three traditional valve testing tables can carry out comprehensive performance test to altitude valve, differential pressure valve, bare weight valve, and still, the altitude valve test tool in three valve testing tables is not only complicated, and robotization and to detect degree of accuracy not high.
Summary of the invention
The object of the invention is to the shortcoming for prior art, a kind of measure accurate, automaticity is high, overhaul efficiency is high altitude valve, differential pressure pilot valve device are provided.
Technical scheme of the present invention is: a kind of altitude valve, differential pressure pilot valve device, comprise mechanical part, TT&C system and pneumatic system, described mechanical part comprises observing and controlling cabinet, altitude valve test fixture and differential pressure valve test fixture, and TT&C system and pneumatic system are installed in observing and controlling cabinet; Described altitude valve test fixture comprises valve seat, supporting plate, snap ring, axle head spacer, coupling shaft, bearing mounting base, box coupling, mount pad, servomotor and rolling bearing units; Wherein, valve seat, for level altitude valve, is provided with the supporting plate for controlling altitude valve level altitude on valve seat, the output shaft of snap ring, axle head spacer, coupling shaft, box coupling and servomotor links together, rotation with motor shaft is rotated, snap ring and altitude valve front end rotating shaft clamping; Bearing mounting base is connected with box coupling, mount pad; Described differential pressure valve test fixture comprises cylinder, cylinder block, clamping head, supporting seat, fixes to clamp head and guide rail; Wherein cylinder block is used for supporting fixing cylinder, and cylinder is connected by cylinder axis leading portion screw thread with clamping head, clamps differential pressure valve when testing; Supporting seat is used for supporting differential pressure valve; Fix to clamp head and be fixed together with guide rail, fixing to clamp head can move in guide rail left and right according to the size of differential pressure valve; When test, fix to clamp head and clamp differential pressure valve together with clamping head, be connected with pneumatic system respectively by air pipe line; TT&C system gathers pressure transducer in pneumatic system and the information of flow sensor, controls the state of the valve in motor and pneumatic system simultaneously.
Preferably: printer, display and keyboard and mouse that described TT&C system comprises industrial computer, joins with it, described industrial computer is by the information of A/D collection plate acquisition stream quantity sensor, pressure transducer, by the corresponding relay of DO output board output digital quantity signal control, contactor action, thus the state of the valve in control motor and pneumatic system.
Preferably: described TT&C system also comprises the pressure indicating instrument and the control handle that join with air pipe line.
Preferably: described pneumatic system comprises the cylinder, the simulation reservoir that join by air pipe line with differential pressure valve, altitude valve, is provided with ball valve, filters pressure regulator valve, pressure indicator, solenoid valve, hand valve on air pipe line.
Preferably: the described head that fixes to clamp is fixed together by bolt and guide rail.
Preferably: described supporting plate is installed on valve seat by bolt and height can up-down adjustment.
Preferably: described snap ring is provided with draw-in groove, the rotating shaft of altitude valve front end is installed in draw-in groove.
Preferably: described altitude valve is installed on valve seat by quick locking nut.
Beneficial effect of the present invention is: test tooling structure of the present invention is reasonable in design, simple for structure, the method test data that altitude valve, differential pressure pilot valve platform adopts pressure sensor combine with flow sensor, can compatible motor train unit altitude valve performance test, testing precision improves greatly, use quick locking nut level altitude valve, improved setting height(from bottom) valve efficiency.Altitude valve testing table can carry out performance test to CRH series altitude valve, and differential pressure valve can carry out performance test to CRH series altitude valve.Can check on to the altitude valve after maintenance, the performance of differential pressure valve, improve the quality of altitude valve, differential pressure valve maintenance, altitude valve, differential pressure pilot valve platform adopt high-performance computer control, image data, measure accurately, and automaticity is high.
Brief description of the drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is the structural representation of altitude valve test fixture of the present invention
Fig. 3 is the structural representation of differential pressure valve test fixture of the present invention
Fig. 4 is the theory diagram of TT&C system of the present invention
Fig. 5 is the theory diagram of pneumatic system of the present invention
Embodiment
Below in conjunction with brief description of the drawings the specific embodiment of the present invention:
A kind of altitude valve, differential pressure pilot valve device, comprise mechanical part, TT&C system and pneumatic system, described mechanical part comprises observing and controlling cabinet 1, altitude valve test fixture 2 and differential pressure valve test fixture 3, TT&C system and pneumatic system are installed in observing and controlling cabinet 1, printer 9 in TT&C system, industrial computer 8, keyboard and mouse 7 are arranged under observing and controlling cabinet work top in space, the left side from the bottom up successively, display 4 is arranged on the left side of observing and controlling cabinet panel, control handle 6 is arranged on the bottom, the right of observing and controlling cabinet panel, and telemetry circuit is arranged on the rear portion of observing and controlling cabinet.Pneumatic system is arranged under observing and controlling cabinet work top in space, the right, and pressure indicating instrument 5 is arranged on the top, the right of observing and controlling cabinet panel.Observing and controlling cabinet work top right-hand component is provided with altitude valve, differential pressure valve test fixture, and altitude valve, differential pressure valve test fixture are mainly used in process of the test, altitude valve, differential pressure valve being fixed.
Described altitude valve test fixture 2 comprises valve seat 21, supporting plate 22, snap ring 23, axle head spacer 24, coupling shaft 25, bearing mounting base 26, box coupling 27, mount pad 28, servomotor 29 and rolling bearing units 210, wherein, valve seat 21 is for level altitude valve, supporting plate 22 for controlling altitude valve level altitude is installed on valve seat 21, snap ring 23, axle head spacer 24, coupling shaft 25, box coupling 27 links together with the output shaft of servomotor 29, rotation with motor shaft is rotated, snap ring 23 and altitude valve front end rotating shaft clamping, described snap ring 23 is provided with draw-in groove, the rotating shaft of altitude valve front end is installed in draw-in groove, described supporting plate 22 is installed on valve seat 21 by bolt and height can up-down adjustment, described altitude valve is installed on valve seat 21 by quick locking nut, bearing mounting base 26 is connected with box coupling 27, mount pad 28, described differential pressure valve test fixture 3 comprises cylinder 31, cylinder block 32, clamping head 33, supporting seat 34, fix to clamp 35 and guide rail 37, wherein cylinder block 32 is for supporting fixing cylinder 31, and cylinder 31 is connected by cylinder 31 axle leading portion screw threads with clamping head 33, clamps differential pressure valve when testing, supporting seat 34 is for supporting differential pressure valve, fix to clamp 35 and be fixed together with guide rail 37, fixing to clamp 35 can move in guide rail 37 left and right according to the size of differential pressure valve, described fix to clamp 35 and is fixed together by bolt 36 and guide rail 37, when test, fix to clamp 35 and clamp differential pressure valve together with clamping head 33, be connected with pneumatic system respectively by air pipe line, TT&C system gathers pressure transducer in pneumatic system and the information of flow sensor, controls the state of the valve in motor and pneumatic system simultaneously.
Printer 9, display 4 and keyboard and mouse 7 that described TT&C system comprises industrial computer 8, joins with it, described industrial computer is by the information of A/D collection plate acquisition stream quantity sensor, pressure transducer, by the corresponding relay of DO output board output digital quantity signal control, contactor action, thus the state of the valve in control motor and pneumatic system.Described TT&C system also comprises the pressure indicating instrument 5 and the control handle 6 that join with air pipe line.
Described pneumatic system comprises the cylinder 31 that joins by air pipe line with differential pressure valve, altitude valve, simulation reservoir 9-1,9-2, is provided with ball valve 41, filters pressure regulator valve 42, pressure indicator 5, solenoid valve 43,47, hand valve 44 flow sensors 411, pressure transducer 412 on air pipe line.Pneumatic system schematic diagram as shown in Figure 5.
When altitude valve test, open ball valve 41, solenoid valve 43-1 fills wind to reservoir 9-1, in the time that reservoir 9-1 internal pressure reaches 0.5MPa, shut electromagnetic valve 43-1, adjust after the angle of altitude valve adjusting lever, open solenoid valve 43-2, the value of measuring flow sensor 11 is the altitude valve flow under current angle.
Differential pressure valve forward begins to blow pressure test, opens ball valve 41, and solenoid valve 47-1 slowly fills wind toward reservoir 9-1, open solenoid valve 43-3, measure the pressure in reservoir 9-1 and reservoir 9-2, when after starting in reservoir 9-2, pressure changes, the air pressure value of recording in reservoir 9-1 is forward beginning blow pressure power.
Differential pressure valve forward only blows pressure test, open ball valve 41, solenoid valve 43-1 fills wind toward reservoir 9-1, shut electromagnetic valve 43-1 in the time that pressure reaches 0.45MPa, open solenoid valve 43-3, measure reservoir 9-1 internal pressure value, in the time that force value stops declining, record force value in reservoir 9-1 now and be forward and stop blow pressure power.
Differential pressure valve oppositely begin blow pressure power with oppositely only blow pressure test and open according to the method described above reverse gas circuit respective electrical magnet valve.
The performance test process of altitude valve is as follows
Supporting plate 22 adjust before use its height, height control to altitude valve place after, altitude valve connecting rod spindle central just in time with snap ring 23 center superpositions.
Altitude valve is placed on supporting plate 22, and front end spindle central square hole snaps in after the draw-in groove of snap ring 23 gently, altitude valve is fixed on valve seat 21 with screw.
Connect the turnover air pipe of altitude valve.
Turn an angle with the speed of setting by test procedure control servomotor 29, measure the allowance of air inlet, exhaust by flow sensor, record respectively altitude valve rotating shaft ± 0.5 DEG C, ± 1 DEG C, ± 1.5 DEG C, ± 3 DEG C, ± 6 DEG C, ± 6.5 DEG C, ± 7.5 DEG C, air mass flow when ± 10 DEG C of positions, and draw flow curve, whether qualified according to the flow curve figure section of the sentencing altitude valve of test.
When work, being fixed on testing table by jig is installed by test specimen, the rotation of sending steering order and automatically fill wind, air draft and motor to testing table by computer system again, moved according to the step setting by test specimen thereby control, while acquisition system acquisition testing signal is also inputted computer system processor, finally forms test result storage, prints.
The performance test process of differential pressure valve is as follows:
Differential pressure valve is positioned on supporting seat 34, the air intake opening at differential pressure valve two ends is aimed at respectively and fixed to clamp 35 and the rubber blanket of clamping head 33, the control handle rotating on monitoring and control unit panel fills wind to cylinder 31, makes it to clamp differential pressure valve.
When test, slowly fill wind by industrial computer in the simulation reservoir being connected with differential pressure valve left end, in the time starting to have pressure to change in the simulation reservoir being connected with differential pressure valve right-hand member, measure and record the force value in the reservoir of the differential pressure valve left side, this value is forward beginning blow pressure power.Be filled with 0.45MPa pressurized air by industrial computer to left side reservoir, open the solenoid valve between left side reservoir and differential pressure valve, differential pressure valve starts to fill wind to the right reservoir, measure left side reservoir pressure, in the time that force value does not change, record now force value, this value is stopped blow pressure power for forward.And then test reverse beginning blow pressure power and reverse only blow pressure power by identical method.
Claims (8)
1. an altitude valve, differential pressure pilot valve device, comprise mechanical part, TT&C system and pneumatic system, it is characterized in that: described mechanical part comprises observing and controlling cabinet (1), altitude valve test fixture (2) and differential pressure valve test fixture (3), and observing and controlling cabinet is provided with TT&C system and pneumatic system in (1); Described altitude valve test fixture (2) comprises valve seat (21), supporting plate (22), snap ring (23), axle head spacer (24), coupling shaft (25), bearing mounting base (26), box coupling (27), mount pad (28), servomotor (29) and rolling bearing units (210); Wherein, valve seat (21) is for level altitude valve, supporting plate (22) for controlling altitude valve level altitude is installed on valve seat (21), snap ring (23), axle head spacer (24), coupling shaft (25), box coupling (27) link together with the output shaft of servomotor (29), rotation with motor shaft is rotated, snap ring (23) and altitude valve front end rotating shaft clamping; Bearing mounting base (26) is connected with box coupling (27), mount pad (28); Described differential pressure valve test fixture (3) comprises cylinder (31), cylinder block (32), clamping head (33), supporting seat (34), fixes to clamp head (35) and guide rail (37); Wherein cylinder block (32) is for supporting fixing cylinder (31), and cylinder (31) is connected by cylinder (31) axle leading portion screw thread with clamping head (33), clamps differential pressure valve when testing; Supporting seat (34) is for supporting differential pressure valve; Fix to clamp head (35) and be fixed together with guide rail (37), fixing to clamp head (35) can move in guide rail (37) left and right according to the size of differential pressure valve; When test, fix to clamp head (35) and clamp differential pressure valve together with clamping head (33), be connected with pneumatic system respectively by air pipe line; TT&C system gathers pressure transducer in pneumatic system and the information of flow sensor, controls the state of the valve in servomotor and pneumatic system simultaneously.
2. altitude valve as claimed in claim 1, differential pressure pilot valve device, it is characterized in that: printer (9), display (4) and keyboard and mouse (7) that described TT&C system comprises industrial computer (8), joins with industrial computer (8), described industrial computer is by the information of A/D collection plate acquisition stream quantity sensor, pressure transducer, by the corresponding relay of DO output board output digital quantity signal control, contactor action, thus the state of the valve in control motor and pneumatic system.
3. altitude valve as claimed in claim 2, differential pressure pilot valve device, is characterized in that: described TT&C system also comprises the pressure indicating instrument (5) and the control handle (6) that join with air pipe line.
4. altitude valve as claimed in claim 1, differential pressure pilot valve device, it is characterized in that: described pneumatic system comprises the cylinder, the simulation reservoir that join by air pipe line with differential pressure valve, altitude valve, is provided with ball valve, filters pressure regulator valve, pressure indicator, solenoid valve, hand valve on air pipe line.
5. altitude valve as claimed in claim 1, differential pressure pilot valve device, is characterized in that: the described head (35) that fixes to clamp is fixed together by bolt (36) and guide rail (37).
6. altitude valve as claimed in claim 1, differential pressure pilot valve device, is characterized in that: described supporting plate (22) is installed in valve seat (21) above by bolt and height can up-down adjustment.
7. altitude valve as claimed in claim 1, differential pressure pilot valve device, is characterized in that: described snap ring (23) is provided with draw-in groove, and the rotating shaft of altitude valve front end is installed in draw-in groove.
8. altitude valve as claimed in claim 1, differential pressure pilot valve device, is characterized in that: described altitude valve is installed on valve seat (21) by quick locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110403857.4A CN102507178B (en) | 2011-12-08 | 2011-12-08 | Test device of altitude valve and differential valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110403857.4A CN102507178B (en) | 2011-12-08 | 2011-12-08 | Test device of altitude valve and differential valve |
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| Publication Number | Publication Date |
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| CN102507178A CN102507178A (en) | 2012-06-20 |
| CN102507178B true CN102507178B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110403857.4A Active CN102507178B (en) | 2011-12-08 | 2011-12-08 | Test device of altitude valve and differential valve |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483113B (en) * | 2014-12-03 | 2017-05-03 | 湖北善工精机科技有限公司 | Novel automobile altitude valve performance test platform |
| CN105910813A (en) * | 2016-06-23 | 2016-08-31 | 太原鹏跃电子科技有限公司 | Double-valve test bench |
| CN106017913B (en) * | 2016-08-16 | 2018-06-01 | 瀚德汽车产品（苏州）有限公司 | A kind of altitude valve full-automatic testing equipment and its test method |
| CN107036829B (en) * | 2016-09-28 | 2019-04-30 | 杭州中车车辆有限公司 | High-accuracy multifunctional railcar brake system test platform and its application method |
| CN113624107B (en) * | 2021-06-30 | 2023-06-16 | 眉山中车制动科技股份有限公司 | Altitude valve and main shaft composition detection device thereof |
| CN116448351B (en) * | 2023-06-14 | 2023-09-08 | 威海博胜气动液压有限公司 | Automatic test bench and test method for altitude valve |
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| DE4207079A1 (en) * | 1991-03-18 | 1992-09-24 | Effort Mijdrecht Bv | Testing exhaust gas catalyser of motor vehicle combustion engine for function and condition - by simultaneously checking gas composition and catalyser operation in specified engine mode controlled by measurement and control unit |
| CN2395944Y (en) * | 1999-11-19 | 2000-09-13 | 翟国富 | Three-valve one-rod test-bed for speed increasing passenger train |
| CN201138296Y (en) * | 2007-12-25 | 2008-10-22 | 青岛四方车辆研究所有限公司 | Tri-valve test platform |
| CN201819777U (en) * | 2010-09-10 | 2011-05-04 | 长春轨道客车股份有限公司 | Detection device of differential pressure valve |
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2011
- 2011-12-08 CN CN201110403857.4A patent/CN102507178B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207079A1 (en) * | 1991-03-18 | 1992-09-24 | Effort Mijdrecht Bv | Testing exhaust gas catalyser of motor vehicle combustion engine for function and condition - by simultaneously checking gas composition and catalyser operation in specified engine mode controlled by measurement and control unit |
| CN2395944Y (en) * | 1999-11-19 | 2000-09-13 | 翟国富 | Three-valve one-rod test-bed for speed increasing passenger train |
| CN201138296Y (en) * | 2007-12-25 | 2008-10-22 | 青岛四方车辆研究所有限公司 | Tri-valve test platform |
| CN201819777U (en) * | 2010-09-10 | 2011-05-04 | 长春轨道客车股份有限公司 | Detection device of differential pressure valve |
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| CN102507178A (en) | 2012-06-20 |
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Inventor after: Gong Wenping Inventor after: Xing Xiaodong Inventor after: Shao Lipeng Inventor after: Wang Minghai Inventor after: Sun Faming Inventor after: Zhang Ximao Inventor before: Xing Xiaodong Inventor before: Shao Lipeng Inventor before: Wang Minghai Inventor before: Sun Faming Inventor before: Zhang Ximao |
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Free format text: CORRECT: INVENTOR; FROM: XING XIAODONG SHAO LIPENG WANG MINGHAI SUN FAMING ZHANG XIMAO TO: GONG WENPING XING XIAODONG SHAO LIPENG WANG MINGHAI SUN FAMING ZHANG XIMAO |
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Address after: 266031 Ruichang Road, Sifang District, Shandong, China, No. 231, No. Patentee after: CRRC QINGDAO SIFANG VEHICLE RESEARCH INSTITUTE CO., LTD. Address before: 266031 Ruichang Road, Sifang District, Shandong, China, No. 231, No. Patentee before: Qingdao Sifang Rolling Stock Research Institute Co., Ltd. |