CN102507178A - Test device of altitude valve and differential valve - Google Patents
Test device of altitude valve and differential valve Download PDFInfo
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- CN102507178A CN102507178A CN2011104038574A CN201110403857A CN102507178A CN 102507178 A CN102507178 A CN 102507178A CN 2011104038574 A CN2011104038574 A CN 2011104038574A CN 201110403857 A CN201110403857 A CN 201110403857A CN 102507178 A CN102507178 A CN 102507178A
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- differential pressure
- 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 test unit, particularly a kind of test unit that can make an experiment to each item performance 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 satisfying the maintenance demand of train, the Ministry of Railways in Beijing, Shanghai, Wuhan, Guangzhou built large-scale overhaul of train-set base respectively.Altitude valve, the differential pressure valve of the various EMUs of operation all need be got off when A4 repaiies and overhauled at present, need corresponding test frock that the parts that maintenance finishes are made an experiment simultaneously, just can the entrucking utilization after the stand the test.Automaticity is low, and overhaul efficiency is low, and simultaneously, the 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, altitude valve in three valve testing tables test frock is not only complicated, and robotization and to detect degree of accuracy not high.
Summary of the invention
The objective of the invention is to shortcoming, a kind of measure accurate, that automaticity is high, overhaul efficiency is high altitude valve, differential pressure pilot valve device are provided to prior art.
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 the observing and controlling cabinet; Described altitude valve test fixture comprises valve seat, supporting plate, snap ring, axle head spacer, coupling shaft, Bearing Installation seat, box coupling, mount pad, servomotor and rolling bearing units; Wherein, Valve seat is used for fixing altitude valve, and the supporting plate that is used to control the altitude valve level altitude is installed on the valve seat, and 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; The Bearing Installation seat 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 the support fixation cylinder, and cylinder is connected through cylinder axis leading portion screw thread with clamping head, clamps differential pressure valve when being used to test; Supporting seat is used to support differential pressure valve; Fix to clamp head and be fixed together with guide rail, fixing to clamp head can move about guide rail according to the size of differential pressure valve; Fix to clamp head during test and clamp differential pressure valve, link to each other with pneumatic system respectively through air pipe line with clamping head; TT&C system is gathered pressure transducer and the information of flow sensor in the pneumatic system, controls the state of the valve in motor and the 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 through the information of A/D collection plate acquisition stream quantity sensor, pressure transducer; Through DO output board output digital quantity signal control corresponding relays, contactor action, thus the state of the valve in control motor and the pneumatic system.
Preferably: described TT&C system also comprises pressure indicating instrument and the control handle that joins with air pipe line.
Preferably: described pneumatic system comprises cylinder, the simulation reservoir that joins through air pipe line with differential pressure valve, altitude valve, and air pipe line is provided with ball valve, filters pressure regulator valve, pressure indicator, solenoid valve, hand valve.
Preferably: the described head that fixes to clamp is fixed together through bolt and guide rail.
Preferably: but described supporting plate is installed on the valve seat through bolt and the height up-down adjustment.
Preferably: described snap ring is provided with draw-in groove, and the rotating shaft of altitude valve front end is installed in the draw-in groove.
Preferably: described altitude valve is installed on the valve seat through quick set nut.
Beneficial effect of the present invention is: it is reasonable in design that the present invention tests tool structure; Simple for structure; The method test data that altitude valve, differential pressure pilot valve platform adopts pressure sensor combine with flow sensor can compatible EMUs altitude valve performance test, and testing precision improves greatly; Use quick set nut level altitude valve, improved setting height(from bottom) valve efficient.The 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 the 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.
Description of drawings
Fig. 1 is a 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 description of drawings 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 the observing and controlling cabinet 1, and the printer 9 in the TT&C system, industrial computer 8, keyboard and mouse 7 are installed under the observing and controlling cabinet work top in the space, the left side from the bottom up successively, and display 4 is installed in the left side of observing and controlling cabinet panel; Control handle 6 is installed in the bottom, the right of observing and controlling cabinet panel, and telemetry circuit is installed in the rear portion of observing and controlling cabinet.In the space, pressure indicating instrument 5 was installed in the top, the right of observing and controlling cabinet panel on the right of pneumatic system was installed under the observing and controlling cabinet work top.Observing and controlling cabinet work top right-hand component is equipped with altitude valve, differential pressure valve test fixture, and altitude valve, differential pressure valve test fixture are mainly used in the process of the test altitude valve, differential pressure valve are 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 Installation seat 26, box coupling 27, mount pad 28, servomotor 29 and rolling bearing units 210; Wherein, Valve seat 21 is used for fixing altitude valve, and the supporting plate 22 that is used to control the altitude valve level altitude is installed on the valve seat 21, and 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, described snap ring 23 is provided with draw-in groove, and the rotating shaft of altitude valve front end is installed in the draw-in groove; But described supporting plate 22 is installed on the valve seat 21 through bolt and the height up-down adjustment, and described altitude valve is installed on the valve seat 21 through quick set nut; Bearing Installation seat 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 used for support fixation cylinder 31, and cylinder 31 is connected through 31 leading portion screw threads of cylinder with clamping head 33, clamps differential pressure valve when being used to test; Supporting seat 34 is used to support differential pressure valve; Fix to clamp 35 and be fixed together with guide rail 37, fixing to clamp 35 can move at guide rail about 37 according to the size of differential pressure valve, describedly fixes to clamp 35 and is fixed together through bolt 36 and guide rail 37; Fix to clamp 35 during test and clamp differential pressure valve, link to each other with pneumatic system respectively through air pipe line with clamping head 33; TT&C system is gathered pressure transducer and the information of flow sensor in the pneumatic system, controls the state of the valve in motor and the pneumatic system simultaneously.
Described pneumatic system comprises cylinder 31, simulation reservoir 9-1, the 9-2 that joins through air pipe line with differential pressure valve, altitude valve, and air pipe line 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.The pneumatic system schematic diagram is as shown in Figure 5.
During the altitude valve test; Open ball valve 41, solenoid valve 43-1 fills wind for reservoir 9-1, when reservoir 9-1 internal pressure reaches 0.5MPa; Close solenoid valve 43-1; After adjusting 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 the current angle.
Ball valve 41 is opened in the blow pressure power test of differential pressure valve forward beginning, 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 the reservoir 9-2, when beginning back pressure changed in the reservoir 9-2, the air pressure value of noting in the reservoir 9-1 was forward beginning blow pressure power.
The differential pressure valve forward ends the test of blow pressure power; Open ball valve 41, solenoid valve 43-1 fills wind toward reservoir 9-1, when pressure reaches 0.45MPa, closes solenoid valve 43-1; Open solenoid valve 43-3; Measure reservoir 9-1 internal pressure value, when force value stops to descend, note force value in reservoir 9-1 this moment and be forward and end blow pressure power.
The differential pressure valve blow pressure power that oppositely begins is ended the test of blow pressure power and is opened reverse gas circuit respective electrical magnet valve according to the method described above and get final product with reverse.
The performance test process of altitude valve is following
Supporting plate 22 is adjusted its height before use, and after height control to altitude valve was placed, altitude valve connecting rod rotating shaft center just in time overlapped with snap ring 23 centers.
Altitude valve is placed on the supporting plate 22, after front end rotating shaft center square hole snaps in the draw-in groove of snap ring 23 gently, altitude valve is fixed on the valve seat 21 with screw.
The turnover air pipe that connects altitude valve.
Turn an angle with the speed of setting through test procedure control servomotor 29; Measure the allowance of air inlet, exhaust through flow sensor; Note respectively the altitude valve rotating shaft ± 0.5 ℃, ± 1 ℃, ± 1.5 ℃, ± 3 ℃, ± 6 ℃, ± 6.5 ℃, ± 7.5 ℃, ± air mass flow during 10 ℃ of positions; And the drafting flow curve, whether qualified according to the flow curve figure section of the declaring altitude valve of test.
During work; Being fixed on the testing table through jig is installed by test specimen; Send steering order is filled wind, air draft and motor automatically to testing table rotation through computer system again; Thereby control is moved according to the step that configures by test specimen, and while acquisition system acquisition testing signal is also imported computer system processor, forms test result and storage at last, prints.
The performance test process of differential pressure valve is following:
Be positioned over differential pressure valve on the supporting seat 34, with the air intake opening difference secured in alignment clamping head 35 at differential pressure valve two ends and the rubber blanket of clamping head 33, the control handle that rotates on the monitoring and control unit panel fills wind for cylinder 31, makes it to clamp differential pressure valve.
During test, through industrial computer to simulation reservoir that the differential pressure valve left end links to each other in slowly fill wind, when with simulation reservoir that the differential pressure valve right-hand member links to each other in when beginning to have pressure to change, measure the force value in the record differential pressure valve left side reservoir also, this value is the forward blow pressure power that begins.Charge into 0.45MPa pressurized air through industrial computer to left side reservoir, open the solenoid valve between left side reservoir and the differential pressure valve, differential pressure valve begins to fill wind to the right reservoir; Measure left side reservoir pressure; When force value does not change, record force value this moment, this value is ended blow pressure power for forward.And then with identical method test blow pressure power of reverse beginning and the reverse blow pressure power of ending.
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 the observing and controlling cabinet is equipped 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 Installation seat (26), box coupling (27), mount pad (28), servomotor (29) and rolling bearing units (210); Wherein, Valve seat (21) is used for fixing altitude valve; The supporting plate (22) that is used to control the altitude valve level altitude is installed on the 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), rotate snap ring (23) and altitude valve front end rotating shaft clamping with the rotation of motor shaft; Bearing Installation seat (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 used for support fixation cylinder (31), and cylinder (31) is connected through cylinder (31) axle leading portion screw thread with clamping head (33), clamps differential pressure valve when being used to test; Supporting seat (34) is used to support differential pressure valve; Fix to clamp head (35) and be fixed together with guide rail (37), fixing to clamp head (35) can move about guide rail (37) according to the size of differential pressure valve; Fix to clamp head (35) during test and clamp differential pressure valve, link to each other with pneumatic system respectively through air pipe line with clamping head (33); TT&C system is gathered pressure transducer and the information of flow sensor in the pneumatic system, controls the state of the valve in motor and the 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 it; Described industrial computer is through the information of A/D collection plate acquisition stream quantity sensor, pressure transducer; Through DO output board output digital quantity signal control corresponding relays, contactor action, thus the state of the valve in control motor and the 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 pressure indicating instrument (5) and the control handle (6) that joins 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 cylinder, the simulation reservoir that joins through air pipe line with differential pressure valve, altitude valve, and air pipe line is provided with ball valve, filters pressure regulator valve, pressure indicator, solenoid valve, hand valve.
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 through bolt (36) and guide rail (37).
6. altitude valve as claimed in claim 1, differential pressure pilot valve device is characterized in that: but described supporting plate (22) is installed in valve seat (21) through bolt goes up and the height 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 the 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 the valve seat (21) through quick set 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 true CN102507178A (en) | 2012-06-20 |
| CN102507178B 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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| Country | Link |
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| CN (1) | CN102507178B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483113A (en) * | 2014-12-03 | 2015-04-01 | 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 |
| CN106017913A (en) * | 2016-08-16 | 2016-10-12 | 瀚德汽车产品（苏州）有限公司 | Full-automatic altitude valve testing device and testing method thereof |
| CN107036829A (en) * | 2016-09-28 | 2017-08-11 | 杭州中车车辆有限公司 | High-accuracy multifunctional railcar brake system test platform and its application method |
| CN113624107A (en) * | 2021-06-30 | 2021-11-09 | 眉山中车制动科技股份有限公司 | Altitude valve and main shaft composition detection device thereof |
| CN116448351A (en) * | 2023-06-14 | 2023-07-18 | 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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| 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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Patent Citations (4)
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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 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104483113A (en) * | 2014-12-03 | 2015-04-01 | 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 |
| CN106017913A (en) * | 2016-08-16 | 2016-10-12 | 瀚德汽车产品（苏州）有限公司 | Full-automatic altitude valve testing device and testing method thereof |
| 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 |
| CN107036829A (en) * | 2016-09-28 | 2017-08-11 | 杭州中车车辆有限公司 | High-accuracy multifunctional railcar brake system test platform and its application 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 |
| CN113624107A (en) * | 2021-06-30 | 2021-11-09 | 眉山中车制动科技股份有限公司 | Altitude valve and main shaft composition detection device thereof |
| 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 |
| CN116448351A (en) * | 2023-06-14 | 2023-07-18 | 威海博胜气动液压有限公司 | Automatic test bench and test method for altitude valve |
| 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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| CN102507178B (en) | 2014-06-04 |
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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. |