CN108593208A - A kind of gas sealing ability Detecting data - Google Patents

A kind of gas sealing ability Detecting data Download PDF

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Publication number
CN108593208A
CN108593208A CN201810354524.9A CN201810354524A CN108593208A CN 108593208 A CN108593208 A CN 108593208A CN 201810354524 A CN201810354524 A CN 201810354524A CN 108593208 A CN108593208 A CN 108593208A
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CN
China
Prior art keywords
test tool
gas
transmission device
temperature
sealing ability
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.)
Pending
Application number
CN201810354524.9A
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Chinese (zh)
Inventor
闫辉
袁涛
赵亚磊
杨东升
田丽媛
姜洪源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Institute of Technology
Original Assignee
Harbin Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Harbin Institute of Technology filed Critical Harbin Institute of Technology
Priority to CN201810354524.9A priority Critical patent/CN108593208A/en
Publication of CN108593208A publication Critical patent/CN108593208A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures

Abstract

A kind of gas sealing ability Detecting data, belongs to sealing detection technical field.The present invention solves the problems, such as that gas seal property test platform temperature applicable range is narrow in the prior art and operating condition of test is single.Testing stand main unit includes chamber, gas supply device and transmission device;Chamber has temperature adjustment and humidity conditioning function, and the test tool to being placed in it, into trip temperature and humidity regulation, test tool is interior to be equipped with sealing element;Gas supply device is connected to test tool, and for the air pressure in test tool to be adjusted;Transmission device is arranged outside chamber, and the rotation axis output end of transmission device is equipped with workbench, which is located in chamber, and test tool is placed on the workbench;Transmission device for drive test tool horizontally rotate and/or vertical direction on move back and forth;It includes temperature detecting module and air pressure detection module to assist Detection & Controling unit.Present invention is mainly used for the leakproofness to test tool to be detected.

Description

A kind of gas sealing ability Detecting data
Technical field
The invention belongs to sealing detection technical fields.
Background technology
Sealing device can be straight as a very important component part in mechanical system, in many cases sealing performance The working performance for being related to entire mechanical system is connect, and air seal has as an important composition in sealing technique It is widely applied value.Such as in aero-engine mechanical dynamic system, gas sealing mechanism as one of important component, Parts are sealed especially as sprue, air system Secondary Flow, base bearing chamber, sealing performance has engine performance Great influence will directly affect engine booster than the raising with turbine efficiency.
Existing hermetic seal testing stand carries out the gas under room temperature mainly under gas with various pressure working condition, for static seal Close property test, operating condition of test is more single, does not meet the complex working condition that engineering is shown in practice;On the other hand existing gas Seal test table can only under high temperature environment be detected the sealing performance for trying sealing element, cannot be satisfied under low temperature environment Testing requirement, therefore, for environment temperature different in Practical Project, different gas pressures, different tooling forms of motion, The hermetic seal testing stand that design adapts to various working has very important significance for the test of gas sealing ability.
Invention content
The present invention be in order to solve gas seal property test platform temperature applicable range in the prior art it is narrow and experiment work The single problem of condition, the present invention provides a kind of gas sealing ability Detecting datas.
A kind of gas sealing ability Detecting data, including testing stand main unit and auxiliary Detection & Controling unit;
Testing stand main unit includes chamber, gas supply device and transmission device;
Chamber has temperature adjustment and humidity conditioning function, and the test tool to being placed in it is tried into trip temperature and humidity regulation It tests and is equipped with sealing element in tooling;
Gas supply device is connected to test tool, and for the air pressure in test tool to be adjusted;
Transmission device is arranged outside chamber, and the rotation axis output end of transmission device is equipped with workbench, which is located at In chamber, test tool is placed on the workbench;
Transmission device for drive test tool horizontally rotate and/or vertical direction on move back and forth;
It includes temperature detecting module and air pressure detection module to assist Detection & Controling unit;
Temperature detecting module is used to detect the connecting pipeline between test tool and gas supply device and test tool Temperature;
Air pressure detection module is for gas pressure in the connecting pipeline between detection gas feeding mechanism and test tool.
Preferably, the gas supply device includes one-level booster pump, grade one filter, freezing type drier, two level Filter, absorption drier, tertiary filter, two-stage supercharging pump;
One-level booster pump carries out air after being once pressurized, and after grade one filter is filtered, and chilled formula is dried Machine carries out primary drying, is sent into secondary filter and carries out secondary filter, the air after secondary filter is carried out through absorption drier It after redrying, is sent into tertiary filter and is filtered three times, filtering is defeated after two-stage supercharging pumps progress secondary booster after completing It send to test tool.
Preferably, auxiliary Detection & Controling unit further includes rate control module, which passes through control Transmission device horizontally rotates controlling workbench and/or moved back and forth on vertical direction.
Preferably, temperature detecting module is temperature sensor.
Preferably, air pressure detection module is baroceptor.
Preferably, one-level booster pump and the pressure ratio of two-stage supercharging pump are 15:1.
Preferably, the detection range of temperature sensor is -70 to+150 DEG C.
The advantageous effect that the present invention is brought is, a kind of gas sealing ability Detecting data of the present invention is for simulating reality Border operating mode and measurement are passed through the temperature of gas pressure and detection test tool in test tool;The present invention can be by controlling work The motion mode of platform simulates a variety of actual conditions, can respectively be carried out under gas with various pressure static seal, revolution dynamic sealing, The multi-state gas sealing ability test platform of reciprocating dynamic seal, this limitation for improving existing hermetic seal bench run operating mode Property, improve gas sealing ability research level have very important effect.Chamber has temperature adjustment and humidity conditioning function, can simulate not It is synthermal it is lower test tool is tested, temperature applicable range is wide, and chamber can meet the temperature within the scope of -70~+150 DEG C It adjusts.
A kind of gas sealing ability Detecting data of the present invention is simple in structure, easy to operate.
Description of the drawings
Fig. 1 is a kind of functional block diagram of gas sealing ability Detecting data of the present invention;
Fig. 2 is the connected relation figure of chamber and gas supply device;
Fig. 3 is the gaseous feed stream journey figure of gas supply device.
Specific implementation mode
Specific implementation mode one:Illustrate present embodiment referring to Fig. 1 and Fig. 2, a kind of gas tightness described in present embodiment Energy Detecting data, including testing stand main unit 1 and auxiliary Detection & Controling unit 2;
Testing stand main unit 1 includes chamber 1-1, gas supply device 1-2 and transmission device 1-4;
Chamber 1-1 has temperature adjustment and a humidity conditioning function, and test tool 1-5 to placing in it is into trip temperature and humidity tune Section, test tool 1-5 is interior to be equipped with sealing element;
Gas supply device 1-2 is connected to test tool 1-5, and for the air pressure in test tool 1-5 to be adjusted;
Transmission device 1-4 is arranged outside chamber 1-1, and the rotation axis output end of transmission device 1-4 is equipped with workbench, the work Make platform to be located in chamber 1-1, test tool 1-5 is placed on the workbench;
Transmission device 1-4 for drive test tool 1-5 horizontally rotate and/or vertical direction on move back and forth;
It includes temperature detecting module 2-1 and air pressure detection module 2-2 to assist Detection & Controling unit 2;
Temperature detecting module 2-1 is for detecting between test tool 1-5 and gas supply device 1-2 and test tool 1-5 Connecting pipeline 1-3 temperature;
Air pressure detection module 2-2 is for the connecting pipeline 1-3 between detection gas feeding mechanism 1-2 and test tool 1-5 Interior gas pressure.
Present embodiment, a kind of gas sealing ability Detecting data main analog actual conditions of the present invention are to experiment Tooling 1-5 is tested, wherein the temperature and pressure value of acquisition are detection test tool gas sealing ability service, detect its examination Test the leakproofness of tooling.
The present invention can simulate a variety of actual conditions by the motion mode of control workbench, can be in gas with various pressure The multi-state gas sealing ability test platform of the lower static seal of progress respectively, revolution dynamic sealing, reciprocating dynamic seal, this is existing for improving There is the limitation of hermetic seal bench run operating mode.
Specific implementation mode two:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 3 Difference lies in the gas supply device 1-2 includes one-level booster pump 1- to a kind of gas sealing ability Detecting data 2-1, grade one filter 1-2-2, freezing type drier 1-2-3, secondary filter 1-2-4, absorption drier 1-2-5, three-level Filter 1-2-6, two-stage supercharging pump 1-2-7;
One-level booster pump 1-2-1 carries out air after being once pressurized, and after grade one filter 1-2-2 is filtered, and passes through Freezing type drier 1-2-3 carries out primary drying, is sent into secondary filter 1-2-4 and carries out secondary filter, the sky after secondary filter Gas is sent into tertiary filter 1-2-6 and is filtered three times, filtering is completed after absorption drier 1-2-5 carries out redrying It is delivered to test tool 1-5 after carrying out secondary booster by two-stage supercharging pump 1-2-7.
The output maximum pressure of present embodiment, one-level booster pump 1-2-1 and two-stage supercharging pump 1-2-7 are 0.8Mpa.
When test gas requires dew point to be less than -70 DEG C, it is necessary to carry out secondary drying.The first order utilizes freezing type drier 1-2-3 removes moisture in compressed air using cryogenic freezing, and level-one drying can make compressed air dew point reach 5 DEG C.Second level profit The compressed air that extremely low dew point is prepared with absorption drier 1-2-5 technologies is carried out using energy-saving module absorption drier Depth removes water.It needs to be filtered air before and after every grade of drying, to remove the dust and hydrone particle in compressed air.
Specific implementation mode three:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 3 Or difference lies in auxiliary Detection & Controling unit 2 further includes speed control to a kind of gas sealing ability Detecting data described in two Molding block 2-3, rate control module 2-3 are horizontally rotated and/or are erected controlling workbench by controlling transmission device 1-4 Histogram moves back and forth upwards.
Present embodiment, the present invention can simulate a variety of actual conditions by the motion mode of control workbench, can be not With carried out respectively under gas pressure static seal, revolution dynamic sealing, reciprocating dynamic seal multi-state gas sealing ability test platform,
Specific implementation mode four:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 3 Difference lies in temperature detecting module 2-1 is temperature sensor to a kind of gas sealing ability Detecting data.
Specific implementation mode five:Illustrate present embodiment, present embodiment and specific implementation mode one referring to Fig. 1 to Fig. 3 Difference lies in air pressure detection module 2-2 is baroceptor to a kind of gas sealing ability Detecting data.
Specific implementation mode six:Illustrate present embodiment, present embodiment and specific implementation mode two referring to Fig. 1 to Fig. 3 Difference lies in the increasings of one-level booster pump 1-2-1 and two-stage supercharging pump 1-2-7 for a kind of gas sealing ability Detecting data Pressure ratio is 15:1.
Specific implementation mode seven:Illustrate present embodiment, present embodiment and specific implementation mode four referring to Fig. 1 to Fig. 3 Difference lies in the detection range of temperature sensor is -70 to+150 DEG C to a kind of gas sealing ability Detecting data.

Claims (7)

1. a kind of gas sealing ability Detecting data, which is characterized in that including testing stand main unit (1) and auxiliary detection and control Unit (2) processed;
Testing stand main unit (1) includes chamber (1-1), gas supply device (1-2) and transmission device (1-4);
Chamber (1-1) has temperature adjustment and a humidity conditioning function, and test tool (1-5) to placing in it is into trip temperature and humidity tune Section, test tool (1-5) is interior to be equipped with sealing element;
Gas supply device (1-2) is connected to test tool (1-5), and for being adjusted to the air pressure in test tool (1-5) Section;
Transmission device (1-4) setting chamber (1-1) outside, the rotation axis output end of transmission device (1-4) is equipped with workbench, should Workbench is located in chamber (1-1), and test tool (1-5) is placed on the workbench;
Transmission device (1-4) for drive test tool (1-5) horizontally rotate and/or vertical direction on move back and forth;
It includes temperature detecting module (2-1) and air pressure detection module (2-2) to assist Detection & Controling unit (2);
Temperature detecting module (2-1) is for detecting test tool (1-5) and gas supply device (1-2) and test tool (1-5) Between connecting pipeline (1-3) temperature;
Air pressure detection module (2-2) is for the connecting pipeline between detection gas feeding mechanism (1-2) and test tool (1-5) (1-3) interior gas pressure.
2. a kind of gas sealing ability Detecting data according to claim 1, which is characterized in that the gas supply device (1-2) includes one-level booster pump (1-2-1), grade one filter (1-2-2), freezing type drier (1-2-3), secondary filter (1-2-4), absorption drier (1-2-5), tertiary filter (1-2-6), two-stage supercharging pump (1-2-7);
One-level booster pump (1-2-1) carries out air after being once pressurized, and after grade one filter (1-2-2) is filtered, and passes through Freezing type drier (1-2-3) carries out primary drying, is sent into secondary filter (1-2-4) and carries out secondary filter, after secondary filter Air through absorption drier (1-2-5) carry out redrying after, be sent into tertiary filter (1-2-6) filtered three times, Filtering is delivered to test tool (1-5) after completing after two-stage supercharging pump (1-2-7) carries out secondary booster.
3. a kind of gas sealing ability Detecting data according to claim 1 or 2, which is characterized in that auxiliary detection and control Unit (2) processed further includes rate control module (2-3), which is controlled by controlling transmission device (1-4) Workbench processed horizontally rotates and/or moved back and forth on vertical direction.
4. a kind of gas sealing ability Detecting data according to claim 1, which is characterized in that temperature detecting module (2- 1) it is temperature sensor.
5. a kind of gas sealing ability Detecting data according to claim 1, which is characterized in that air pressure detection module (2- 2) it is baroceptor.
6. a kind of gas sealing ability Detecting data according to claim 2, which is characterized in that one-level booster pump (1-2- 1) and the pressure ratio of two-stage supercharging pump (1-2-7) is 15:1.
7. a kind of gas sealing ability Detecting data according to claim 4, which is characterized in that the detection of temperature sensor Ranging from -70 to+150 DEG C.
CN201810354524.9A 2018-04-19 2018-04-19 A kind of gas sealing ability Detecting data Pending CN108593208A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810354524.9A CN108593208A (en) 2018-04-19 2018-04-19 A kind of gas sealing ability Detecting data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810354524.9A CN108593208A (en) 2018-04-19 2018-04-19 A kind of gas sealing ability Detecting data

Publications (1)

Publication Number Publication Date
CN108593208A true CN108593208A (en) 2018-09-28

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201413278Y (en) * 2009-06-02 2010-02-24 中国石油天然气股份有限公司 Pipeline pressure testing device
CN201476949U (en) * 2009-09-07 2010-05-19 安徽省芜湖仪器仪表研究所 Detecting device of air leakage rate of container
CN103558023A (en) * 2013-11-08 2014-02-05 徐州徐工液压件有限公司 Central swivel joint testing apparatus
CN203657994U (en) * 2013-12-31 2014-06-18 天津航天瑞莱科技有限公司 Integrated test system for automobile air conditioner pipeline high pressure metal sealing device
CN104132805A (en) * 2014-08-01 2014-11-05 清华大学 Multifunctional pneumatic reciprocating sealing performance test bench
CN204788787U (en) * 2014-12-02 2015-11-18 重庆四联测控技术有限公司 A high -pressure compress air system for pressure sensor test
CN206740318U (en) * 2017-03-28 2017-12-12 宁波市北仑德邦模具技术有限公司 Air tightness detection equipment for gas braking joint
CN107664564A (en) * 2017-10-19 2018-02-06 宁波市佳利来机械制造有限公司 A kind of workpiece automatic checkout equipment
CN107741303A (en) * 2017-08-30 2018-02-27 鞍山海望真空系统有限公司 Mould vacuum leak detection device and leak detection method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201413278Y (en) * 2009-06-02 2010-02-24 中国石油天然气股份有限公司 Pipeline pressure testing device
CN201476949U (en) * 2009-09-07 2010-05-19 安徽省芜湖仪器仪表研究所 Detecting device of air leakage rate of container
CN103558023A (en) * 2013-11-08 2014-02-05 徐州徐工液压件有限公司 Central swivel joint testing apparatus
CN203657994U (en) * 2013-12-31 2014-06-18 天津航天瑞莱科技有限公司 Integrated test system for automobile air conditioner pipeline high pressure metal sealing device
CN104132805A (en) * 2014-08-01 2014-11-05 清华大学 Multifunctional pneumatic reciprocating sealing performance test bench
CN204788787U (en) * 2014-12-02 2015-11-18 重庆四联测控技术有限公司 A high -pressure compress air system for pressure sensor test
CN206740318U (en) * 2017-03-28 2017-12-12 宁波市北仑德邦模具技术有限公司 Air tightness detection equipment for gas braking joint
CN107741303A (en) * 2017-08-30 2018-02-27 鞍山海望真空系统有限公司 Mould vacuum leak detection device and leak detection method
CN107664564A (en) * 2017-10-19 2018-02-06 宁波市佳利来机械制造有限公司 A kind of workpiece automatic checkout equipment

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Application publication date: 20180928