CN103983441B - Air seal valve assay device in service life and test method - Google Patents
Air seal valve assay device in service life and test method Download PDFInfo
- Publication number
- CN103983441B CN103983441B CN201410206529.9A CN201410206529A CN103983441B CN 103983441 B CN103983441 B CN 103983441B CN 201410206529 A CN201410206529 A CN 201410206529A CN 103983441 B CN103983441 B CN 103983441B
- Authority
- CN
- China
- Prior art keywords
- valve
- air seal
- seal valve
- pressure
- electrodynamic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Examining Or Testing Airtightness (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of air seal valve assay device in service life, including high-pressure air source, leak detector, moment add load control, main control computer, aerating electrodynamic valve, pressure transducer, cut-off electrodynamic valve, venting electrodynamic valve and temperature sensor, moment add load control controls the keying of air seal valve, and pressure transducer, temperature sensor, moment add load control, leak detector, aerating electrodynamic valve, cut-off electrodynamic valve and venting electrodynamic valve are corresponding with main control computer respectively to be electrically connected.The invention also discloses the test method of a kind of air seal valve assay device in service life, by the filling of main control computer control realization gases at high pressure and Leak Detection.Present invention automatic control system replaces traditional manual operation, completes the test to air seal valve service life, improves efficiency, saved cost, significantly improve repeatability and the concordance of test, and the precision of result of the test also significantly improves.
Description
Technical field
The present invention relates to a kind of air seal valve assay device in service life and test method, particularly relate to a kind of air seal valve assay device in service life automatically controlled by main control computer and test method.
Background technology
In testing the service life of air seal valve, it is necessary to valve is carried out high-pressure gas pressure filling, and is repeatedly performed valve open and close action, it is also performed to repeatedly sealing property detection therebetween.Currently used method is: connection high-pressure air source adopts torque spanner, sets certain closing torque, carry out manual opening and closing operations after air seal valve is carried out pressure filling；After reaching certain number of times, closing valve, remove seal plug, connect leak detector, carry out vacuum leak hunting, observe whether leakage exceeds standard, if exceeding standard, stopping test, check valve；If not exceeding standard, removing leak detector, continuing aforementioned operation repeatedly.
Above-mentioned traditional experiment is manual operation, and midway carries out leak detection operation also to be needed valve is dismounted, and efficiency is low, expend plenty of time and manpower, requiring higher to testing crew, the repeatability of test and concordance are limited by test operation personnel, and the precision of bulk testing result is not high enough.
Summary of the invention
The purpose of the present invention is that provides a kind of air seal valve assay device in service life automatically controlled by main control computer and test method to solve the problems referred to above.
The present invention is achieved through the following technical solutions above-mentioned purpose:
nullA kind of air seal valve assay device in service life，Including high-pressure air source and leak detector，Also include moment add load control and main control computer，Between described high-pressure air source and described air seal valve、It is respectively connected with trachea between described air seal valve and described leak detector，Trachea between described high-pressure air source and described air seal valve is provided with aerating electrodynamic valve，Trachea between described aerating electrodynamic valve and described air seal valve is provided with pressure transducer，Trachea between described air seal valve and described leak detector is provided with cut-off electrodynamic valve，Trachea between described air seal valve and described cut-off electrodynamic valve is provided with bronchus，Described bronchus is provided with venting electrodynamic valve，Described air seal valve side is provided with the temperature sensor that the housing with described air seal valve contacts，The clutch end of described moment add load control is connected with the control end that opens and closes of described air seal valve and is used for controlling the keying of described air seal valve，Described pressure transducer、Described temperature sensor、Described moment add load control、Described leak detector、Described aerating electrodynamic valve、Described cut-off electrodynamic valve is corresponding with described main control computer respectively with described venting electrodynamic valve to be electrically connected.
In said structure, rotating speed and the direction of rotation of motor is controlled by main control computer, the anglec of rotation of motor is controlled, thus controlling keying and the opening angle of air seal valve, it is achieved automatically turning on and closedown of air seal valve by rotary encoder；The closedown moment of air seal valve is controlled, by the valve body surface temperature of temperature sensor measurement air seal valve by dynamic torque sensor；High-pressure air source, corresponding trachea, pressure transducer, aerating electrodynamic valve, cut-off electrodynamic valve and venting electrodynamic valve collectively form gases at high pressure filling and delivery system, leak detector and corresponding trachea constitute leak detection system, and gases at high pressure filling has coordinated test with delivery system, leak detection system and moment add load control under the control of main control computer.
Specifically, described moment add load control includes the motor being controlled corner by rotary encoder, first shaft coupling, torque sensor, second shaft coupling and interface conversion connector, the rotating shaft of described motor is connected with one end of described torque sensor by the first shaft coupling, the other end of described torque sensor is connected with one end of described second shaft coupling, the other end of described second shaft coupling is connected with one end of described interface conversion connector, the other end of described interface conversion connector is connected with the valve rod of described air seal valve, the control input of described motor, the signal output part of described torque sensor is corresponding with described main control computer respectively to be electrically connected.Above-mentioned interface conversion connector, for realizing the connection between the valve rod of air seal valve and the second shaft coupling, is determined with specific reference to true form and structure, is conventional Axile connection structure.
Preferably, described second shaft coupling is scalable Hooks coupling universal coupling.Scalable Hooks coupling universal coupling has stronger adaptation function, it is possible to be automatically adjusted relative position, reduces rigging error, and is easy to dismounting and the replacing of air seal valve.
The test method that a kind of air seal valve assay device in service life adopts, during gas filling, by main control computer control, close venting electrodynamic valve and cut-off electrodynamic valve, open aerating electrodynamic valve, air seal valve is carried out pressure filling, and is filled pressure by pressure sensor monitoring, close aerating electrodynamic valve when pressure reaches to control pressure；During Leak Detection, pressed control moment by moment add load control and close air seal valve, and carry out gases at high pressure filling by controlling pressure, close aerating electrodynamic valve afterwards, open venting electrodynamic valve, whether monitoring pressure sensor value declines, if pressure declines always, then judges that air seal valve damages, if without significant change, close venting electrodynamic valve, open cut-off electrodynamic valve, open leak detector, carry out vacuum leak hunting.
The beneficial effects of the present invention is:
Present invention automatic control system replaces traditional manual operation, complete the test to air seal valve service life, save plenty of time and manpower, improve efficiency, save cost, and substantially unrelated with the experience of operator and level, significantly improve repeatability and the concordance of test, the precision of result of the test also significantly improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of air seal valve assay device in service life of the present invention；
Fig. 2 is the structural representation of moment add load control of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
nullAs shown in Figure 1，Air seal valve assay device in service life of the present invention includes high-pressure air source 1、Moment add load control 5、Leak detector 11 and main control computer 10，Between high-pressure air source 1 and air seal valve 6、Trachea 2 it is respectively connected with between air seal valve 6 and leak detector 11，Trachea 2 between high-pressure air source 1 and air seal valve 6 is provided with aerating electrodynamic valve 3，Trachea 2 between aerating electrodynamic valve 3 and air seal valve 6 is provided with pressure transducer 4，Pressure transducer 4 can be installed on external arm，Trachea 2 between air seal valve 6 and leak detector 11 is provided with cut-off electrodynamic valve 9，Trachea 2 between air seal valve 6 and cut-off electrodynamic valve 9 is provided with bronchus 21，Bronchus 21 is provided with venting electrodynamic valve 8，The side of air seal valve 6 is provided with the temperature sensor 7 that the housing with air seal valve 6 contacts，The clutch end of moment add load control 5 is connected with the control end that opens and closes of air seal valve 6 and is used for controlling the keying of air seal valve 6，Pressure transducer 4、Temperature sensor 7、Moment add load control 5、Leak detector 11、Aerating electrodynamic valve 3、The electric connection corresponding to main control computer 10 respectively of cut-off electrodynamic valve 9 and venting electrodynamic valve 8.
As shown in Figure 2, moment add load control 5 includes the motor 51 being controlled corner by rotary encoder, first shaft coupling 52, torque sensor 53, second shaft coupling 55 and interface conversion connector 56, the rotating shaft of motor 51 is connected with one end of torque sensor 53 by the first shaft coupling 52, the other end of torque sensor 53 and one end of the second shaft coupling 55 connect, the other end of the second shaft coupling 55 is connected with one end of interface conversion connector 56, the other end of interface conversion connector 56 is connected with the valve rod of air seal valve 6, the control input of motor 51, the signal output part of torque sensor 53 is corresponding with main control computer 10 (see Fig. 1) respectively to be electrically connected.In said structure, the other end of interface conversion connector 56 is the clutch end of moment add load control 5, and the keying that the valve rod of air seal valve 6 is air seal valve 6 controls end；Second shaft coupling 55 is scalable Hooks coupling universal coupling.Fig. 2 also show the installing rack 61 of the mounting bracket 54 of torque sensor 53 and gas sealed valve 6, temperature sensor 7 be installed on installing rack 61 and with the valve stem contacts of air seal valve 6.
In conjunction with Fig. 1 and Fig. 2, following methods is adopted to test:
During gas filling, controlled by main control computer 10, close venting electrodynamic valve 8 and cut-off electrodynamic valve 9, open aerating electrodynamic valve 3, air seal valve 6 is carried out pressure filling, and is monitored filling pressure by pressure transducer 4, close aerating electrodynamic valve 3 when pressure reaches to control pressure；During Leak Detection, pressed control moment by moment add load control 5 and close air seal valve 6, and carry out gases at high pressure filling by controlling pressure, close aerating electrodynamic valve 3 afterwards, open venting electrodynamic valve 8, whether the value of monitoring pressure transducer 4 declines, if pressure declines always, then judges that air seal valve 6 damages, if without significant change, close venting electrodynamic valve 8, open cut-off electrodynamic valve 9, open leak detector 11, carry out vacuum leak hunting.
Above-described embodiment is presently preferred embodiments of the present invention; it it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, be regarded as falling within the scope of the rights protection of patent of the present invention.
Claims (3)
- null1. an air seal valve assay device in service life，Including high-pressure air source and leak detector，It is characterized in that: also include moment add load control and main control computer，Between described high-pressure air source and described air seal valve、It is respectively connected with trachea between described air seal valve and described leak detector，Trachea between described high-pressure air source and described air seal valve is provided with aerating electrodynamic valve，Trachea between described aerating electrodynamic valve and described air seal valve is provided with pressure transducer，Trachea between described air seal valve and described leak detector is provided with cut-off electrodynamic valve，Trachea between described air seal valve and described cut-off electrodynamic valve is provided with bronchus，Described bronchus is provided with venting electrodynamic valve，Described air seal valve side is provided with the temperature sensor that the housing with described air seal valve contacts，The clutch end of described moment add load control is connected with the control end that opens and closes of described air seal valve and is used for controlling the keying of described air seal valve，Described pressure transducer、Described temperature sensor、Described moment add load control、Described leak detector、Described aerating electrodynamic valve、Described cut-off electrodynamic valve is corresponding with described main control computer respectively with described venting electrodynamic valve to be electrically connected；Described moment add load control includes the motor being controlled corner by rotary encoder, first shaft coupling, torque sensor, second shaft coupling and interface conversion connector, the rotating shaft of described motor is connected with one end of described torque sensor by the first shaft coupling, the other end of described torque sensor is connected with one end of described second shaft coupling, the other end of described second shaft coupling is connected with one end of described interface conversion connector, the other end of described interface conversion connector is connected with the valve rod of described air seal valve, the control input of described motor, the signal output part of described torque sensor is corresponding with described main control computer respectively to be electrically connected.
- 2. air seal valve assay device in service life according to claim 1, it is characterised in that: described second shaft coupling is scalable Hooks coupling universal coupling.
- 3. the test method that an air seal valve assay device in service life as claimed in claim 1 adopts, it is characterized in that: during gas filling, by main control computer control, close venting electrodynamic valve and cut-off electrodynamic valve, open aerating electrodynamic valve, air seal valve is carried out pressure filling, and is filled pressure by pressure sensor monitoring, close aerating electrodynamic valve when pressure reaches to control pressure；During Leak Detection, pressed control moment by moment add load control and close air seal valve, and carry out gases at high pressure filling by controlling pressure, close aerating electrodynamic valve afterwards, open venting electrodynamic valve, whether monitoring pressure sensor value declines, if pressure declines always, then judges that air seal valve damages, if without significant change, close venting electrodynamic valve, open cut-off electrodynamic valve, open leak detector, carry out vacuum leak hunting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206529.9A CN103983441B (en) | 2014-05-15 | 2014-05-15 | Air seal valve assay device in service life and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410206529.9A CN103983441B (en) | 2014-05-15 | 2014-05-15 | Air seal valve assay device in service life and test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103983441A CN103983441A (en) | 2014-08-13 |
| CN103983441B true CN103983441B (en) | 2016-07-06 |
Family
ID=51275501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410206529.9A Active CN103983441B (en) | 2014-05-15 | 2014-05-15 | Air seal valve assay device in service life and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103983441B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197204B (en) * | 2014-08-28 | 2017-02-01 | 洛阳佳岭科技有限公司 | Leakage detecting device and method for gas system |
| CN105424299B (en) * | 2016-01-08 | 2018-01-12 | 四川省绵阳西南自动化研究所 | A kind of device for detecting sealability |
| CN106353018B (en) * | 2016-08-31 | 2019-09-10 | 华东理工大学 | Electrically operated valve dynamic torque continuous test device under a kind of complex working condition |
| CN109092573B (en) * | 2018-10-08 | 2024-01-30 | 中国工程物理研究院总体工程研究所 | Vibration reduction geotechnical centrifuge suitable for triaxial shaking table |
| CN110274754A (en) * | 2019-05-31 | 2019-09-24 | 格力电器（武汉）有限公司 | A kind of valve inside life detecting device and method |
| CN110261050B (en) * | 2019-07-31 | 2021-07-27 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Butterfly valve sealing performance monitoring device and monitoring method based on valve rod torque change |
| CN110823556A (en) * | 2019-11-08 | 2020-02-21 | 方圆阀门集团有限公司 | Automatic valve performance testing device and testing method thereof |
| CN111120079A (en) * | 2019-12-30 | 2020-05-08 | 中国船舶重工集团公司第七一一研究所 | Valve testing device and method |
| CN115165339A (en) * | 2021-03-19 | 2022-10-11 | 中国核工业二三建设有限公司 | Multifunctional electric valve test box |
| CN114459687B (en) * | 2021-12-29 | 2023-10-03 | 合肥通用机械研究院有限公司 | Mechanical seal test device for oil-gas mixed transportation multiphase medium pump |
| CN115326315B (en) * | 2022-10-12 | 2023-01-31 | 济宁鲁威液压科技股份有限公司 | Ultrahigh-pressure hydraulic valve air tightness testing device and testing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203837905U (en) * | 2014-05-15 | 2014-09-17 | 中国工程物理研究院总体工程研究所 | Service life testing device for gas sealing valve |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100527498B1 (en) * | 2003-10-30 | 2005-11-09 | 현대자동차주식회사 | The first stage pressure learn system of when up shift on automatic transmission and method thereof |
| CN201130090Y (en) * | 2007-11-12 | 2008-10-08 | 上海市特种设备监督检验技术研究院 | Cylinder valve serviceability test system |
| CN101713698A (en) * | 2009-07-27 | 2010-05-26 | 山东大学 | Vacuum leak detection system |
| JP5359816B2 (en) * | 2009-11-26 | 2013-12-04 | 株式会社明電舎 | Torque converter test method and torque converter test apparatus |
| CN201637568U (en) * | 2010-04-16 | 2010-11-17 | 上海市特种设备监督检验技术研究院 | Life testing machine of multi-location high-low temperature cylinder valve |
| CN102032978B (en) * | 2010-11-09 | 2012-05-02 | 浙江方正阀门制造有限公司 | Valve high-temperature type test device |
| CN202126321U (en) * | 2011-05-31 | 2012-01-25 | 上海增欣机电设备制造有限公司 | Torque testing system of valve opening and closing performance testing machine |
| CN202533247U (en) * | 2012-03-27 | 2012-11-14 | 深圳市亿威仕流体控制有限公司 | Apparatus for testing durability of cylinder valve |
| CN203298937U (en) * | 2013-05-20 | 2013-11-20 | 苏州锦鹏机电设备制造有限公司 | Valve test pressure source |
| CN103759927A (en) * | 2013-12-26 | 2014-04-30 | 方正阀门集团有限公司 | Test system for service life of valve |
-
2014
- 2014-05-15 CN CN201410206529.9A patent/CN103983441B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203837905U (en) * | 2014-05-15 | 2014-09-17 | 中国工程物理研究院总体工程研究所 | Service life testing device for gas sealing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103983441A (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103983441B (en) | Air seal valve assay device in service life and test method | |
| CN203837905U (en) | Service life testing device for gas sealing valve | |
| CN103091052B (en) | Normal temperature vacuum leak-detection system used for spacecraft part assembly | |
| CN202362120U (en) | Device for quickly detecting air tightness | |
| CN109459196A (en) | Battery pack air-tightness automatic checkout system | |
| CN104880288A (en) | Method and device for detecting airtightness of turbine box assembly | |
| CN205538101U (en) | Clamp formula flange leak detection device | |
| CN101788374B (en) | Device for detecting leaking performance of gas meter motor valve | |
| CN201607312U (en) | Device for detecting leakage performance of motor valve of gas meter | |
| CN103808475B (en) | A kind of leak detection detecting head, the online leakage detection apparatus of condenser and application thereof | |
| CN203719853U (en) | Leakage detection head and condenser online leakage detection device | |
| CN204831731U (en) | Turbine case subassembly leakproofness detection device | |
| CN107560804A (en) | A kind of check valve air tightness detecting system and method | |
| CN207515981U (en) | A kind of detector for pipeline air-leakage test | |
| CN104669058B (en) | Vacuum detector with on-off function | |
| CN203116909U (en) | Field calibrating device for airplane gas pressure signal and mounting structure thereof | |
| CN105352668A (en) | Plastic pipe airtightness detection tool for internal combustion engine | |
| CN106287103A (en) | Permanent magnetic liquid capsule all presses emergent plugging device and emergent method for blocking thereof | |
| CN202597849U (en) | Remote monitoring valve for pipeline | |
| CN103615583A (en) | Multi-protection emergency cut-off valve | |
| CN204525043U (en) | A kind of vacuum detection instrument having on-off function | |
| CN111022691A (en) | Fixed ball valve and monitoring system, opening and closing method thereof and monitoring method of monitoring system | |
| CN220366972U (en) | Hydraulic valve air tightness inspection device | |
| CN220391220U (en) | Brake pipeline detection device and vehicle with same | |
| CN204255636U (en) | Vacuum pressure testing equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |