CN202420791U - Mechanical static seal detecting system - Google Patents
Mechanical static seal detecting system Download PDFInfo
- Publication number
- CN202420791U CN202420791U CN2012200101193U CN201220010119U CN202420791U CN 202420791 U CN202420791 U CN 202420791U CN 2012200101193 U CN2012200101193 U CN 2012200101193U CN 201220010119 U CN201220010119 U CN 201220010119U CN 202420791 U CN202420791 U CN 202420791U
- Authority
- CN
- China
- Prior art keywords
- static seal
- lower flange
- data
- mechanical static
- detection system
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model relates to a mechanical static seal, and in particular relates to a mechanical static seal detecting system. The mechanical static seal detecting system comprises an upper flange, a lower flange, and a sealing gasket clamped between the upper flange and the lower flange. A sealed cavity is formed by an inner ring of the upper flange, an inner ring of the upper flange and an inner ring of the gasket. The cavity is connected with a micro-pressure measuring device through a connection pipe; outer rings of the upper flange and the lower flange are loaded through a loading device; corresponding data of the gasket, the upper flange, the lower flange, the sealed cavity, the micro-pressure measuring device and the loading device are collected by a data collecting device; and a computer analyses the collected data. According to the mechanical static seal detecting system provided by the utility model, data collection and data analysis in a property test of a static seal device are intelligentized; the level and the precision of a seal property test can be improved; the working flow of the test can be simplified; and the working amount of the test can be reduced. More importantly, the mechanical static seal detecting system provided by the utility model provides scientific and overall feedback data for design, production and use of the static seal device, so that an intelligent closed loop is constructed on the data collection and the data analysis by the design, the production and the application of the high-property static seal device.
Description
Technical field
The utility model relates to mechanical static seal, is a kind of mechanical static seal detection system specifically.
Background technology
At present, the test slave unit of static seal device performance is all comparatively backward to technology, and the main contents of enterprise's sealing management mainly only are that observable " run, drip, leak " are handled accordingly.Along with the raising of environmental protection requirement, people-oriented the lifting of theory and the increase and the science and technology development of the high-risk property of industry; Enterprise is more and more strict to sealing, functional reliability and the life requirements of static seal device; The very little leakage that can not realize naked eyes; Promptly " effusion of volatile matter " quantitative requirement has also been proposed, and take some leakage method to detect.And causing accuracy of detection lower to gasket seal performance detection system owing to the equipment backwardness in the existing static seal technology, accommodation is narrower.
The utility model content
The utility model has solved above-mentioned technical matters, and the mechanical static seal detection system that a kind of accuracy of detection is higher, can reduce the testing amount is provided.
The technical scheme that the utility model solves the problems of the technologies described above employing is: a kind of mechanical static seal detection system; Comprise lower flange and be clamped in the gasket seal between the lower flange on this; The said inner ring of lower flange and the inner ring formation closed cavity of pad gone up; This cavity links to each other with the micro pressure measuring device through taking over; Said last lower flange outer ring loads through charger, and said pad, last lower flange, sealed cavity, micro pressure measuring device and charger are all through the corresponding data of data collector collection, and computing machine is analyzed the data of gathering.
The utility model also has following additional technical feature:
The surge tank that said micro pressure measuring device comprises the gas cylinder that stores gas, be connected with this gas cylinder through reduction valve and be installed in this surge tank and said adapter between magnetic valve; Be provided with a pressure difference transmitter at said magnetic valve two ends, this pressure difference transmitter is connected with said data collector with said magnetic valve.
Said charger comprises several oil cylinders that are arranged on the lower flange outer ring and the uniform pressure distribution device that is communicated with said oil cylinder, and this uniform pressure distribution device is through oil pump pump oil in it; Said uniform pressure distribution device is provided with pressure transducer, and said pad is provided with load sensor, and said pressure transducer all is connected with said data collector with load sensor.
Be provided with displacement transducer between the lower flange on said, this displacement transducer is connected with said data acquisition system (DAS).
In the said closed cavity temperature sensor is installed, this temperature sensor is connected with said data acquisition system (DAS).
Can know from above technical scheme; The utility model can be intelligent with data acquisition, the data analysis of static seal device performance test; Testing level and precision with the lift-off seal performance; And simplify the test job flow process, reduce the test job amount, the more important thing is design, production and use for static seal device provide science, comprehensive feedback data, make the high-performance static seal device design, produce and be applied in and make up an intelligentized closed loop in data acquisition and the data analysis.
Description of drawings
Fig. 1 is the structural representation of a kind of optimal way of the utility model;
Fig. 2 is an A place enlarged drawing among Fig. 1.
Embodiment
Specify the utility model below in conjunction with Fig. 1 to Fig. 2:
The mechanical static seal detection system of the utility model; Comprise lower flange 1 and be clamped in the gasket seal between the lower flange 2 on this; The said inner ring of lower flange and the inner ring formation closed cavity 3 of pad gone up; This cavity links to each other with micro pressure measuring device 5 through taking over 4; Said last lower flange outer ring loads through charger 6, and said pad, last lower flange, sealed cavity, micro pressure measuring device and charger are all gathered corresponding data through data collector 7, and the data of 8 pairs of collections of computing machine are analyzed.For eliminating the influence of flange distortion to gasket performance, the utility model adopts the bigger simulation flange of rigidity.The flange outside also is surrounded by special tracklayer heater and heat-insulation layer, and heating-up temperature is controlled by accurate temperature controller.The utility model can be intelligent with data acquisition, the data analysis of static seal device performance test, the testing level of lift-off seal performance greatly and precision.
In this embodiment; The surge tank 53 that said micro pressure measuring device 5 comprises the gas cylinder 51 that stores gas, be connected with this gas cylinder through reduction valve 52 and be installed in this surge tank and said adapter between magnetic valve 54; Be provided with a pressure difference transmitter 55 at said magnetic valve two ends; In implementation process, gas feeds closed cavity by taking over; Said charger 6 comprises the uniform pressure distribution device 62 that is symmetricly set on several oil cylinders 61 on the lower flange outer ring and is communicated with said oil cylinder, and this uniform pressure distribution device generally is uniformly distributed with 6 or 8 oil cylinders through oil pump 63 pump oil in it in last lower flange outer ring; Said uniform pressure distribution device is provided with pressure transducer 64, and said pad is provided with load sensor 21.The pad of the utility model loads and adopts gas---liquid definite value load mode, and each oil cylinder of hydraulic oil entering promotes floating head bolt flange is loaded, and the sheet clamping load is convenient to Computer Processing by the load sensor measurement; Between last lower flange 1, be provided with displacement transducer 11; To measure the pad distortion; In the said closed cavity 3 temperature sensor 31 is installed also, said temperature sensor, pressure difference transmitter, magnetic valve, displacement transducer, pressure transducer and load sensor all are connected with said data collector.In the utility model; Data collector adopts the NI capture card, and PCI6221 uses Labview software and programmes; It can intelligently put and estimate projects performance parameter of static seal in order; And obtain the integrative test conclusion through man-machine conversation and advise with device design or use, be correct design, manufacturing and the use of static seal device, and then the long period safe and reliable operation of assurance system and equipment provides foundation.
In implementation process, flange constitutes the cavity that leaks hunting with the inboard cavity that forms of pad with taking over, and can calculate slip through temperature sensor, differential pressure transmitter, leak hunting cavity and reduced pressure.The interior gaseous tension of the cavity that leaks hunting during on-test equates with the interior pressure of surge tank; After closing corresponding valve; The interior gaseous tension of the cavity that leaks hunting descends owing to pad leaks; Through leak hunting in the time change of cavity and surge tank internal pressure difference of analytical unit, can calculate slip according to The Ideal-Gas Equation.The utility model can be simplified the test job flow process, reduce the test job amount; The more important thing is design, production and use for static seal device provide science, comprehensive feedback data, make the high-performance static seal device design, produce and be applied in and make up an intelligentized closed loop in data acquisition and the data analysis.
Above-mentioned embodiment only supplies to explain the usefulness of the utility model; And be not to be the restriction to the utility model; The those of ordinary skill in relevant technologies field; Under the situation that does not break away from the utility model spirit and scope, can also make various variations and modification, so all technical schemes that are equal to also should belong to the category of the utility model.
Claims (5)
1. mechanical static seal detection system; Comprise lower flange and be clamped in the gasket seal between the lower flange on this; It is characterized in that: the said inner ring of lower flange and the inner ring formation closed cavity of pad gone up; This cavity links to each other with the micro pressure measuring device through taking over; The said lower flange outer ring of going up loads through charger, and said lower flange, sealed cavity, micro pressure measuring device and the charger gone up is all through the corresponding data of data collector collection, and computing machine is analyzed the data of gathering.
2. a kind of mechanical static seal detection system according to claim 1; It is characterized in that: the surge tank that said micro pressure measuring device comprises the gas cylinder that stores gas, be connected with this gas cylinder through reduction valve and be installed in this surge tank and said adapter between magnetic valve; Be provided with a pressure difference transmitter at said magnetic valve two ends, this pressure difference transmitter is connected with said data collector with said magnetic valve.
3. a kind of mechanical static seal detection system according to claim 2; It is characterized in that: said charger comprises several oil cylinders that are arranged on the lower flange outer ring and the uniform pressure distribution device that is communicated with said oil cylinder, and this uniform pressure distribution device is through oil pump pump oil in it; Said uniform pressure distribution device is provided with pressure transducer, and said pad is provided with load sensor, and said pressure transducer all is connected with said data collector with load sensor.
4. a kind of mechanical static seal detection system according to claim 3 is characterized in that: be provided with displacement transducer between the lower flange on said, this displacement transducer is connected with said data acquisition system (DAS).
5. a kind of mechanical static seal detection system according to claim 4 is characterized in that: in the said closed cavity temperature sensor is installed, this temperature sensor is connected with said data acquisition system (DAS).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200101193U CN202420791U (en) | 2012-01-11 | 2012-01-11 | Mechanical static seal detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200101193U CN202420791U (en) | 2012-01-11 | 2012-01-11 | Mechanical static seal detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202420791U true CN202420791U (en) | 2012-09-05 |
Family
ID=46745546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200101193U Expired - Fee Related CN202420791U (en) | 2012-01-11 | 2012-01-11 | Mechanical static seal detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202420791U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350073A (en) * | 2013-07-23 | 2013-10-16 | 楚天科技股份有限公司 | Plastic bottle vacuum leak detection and leak detection ridding mechanism |
| CN104101470A (en) * | 2014-06-25 | 2014-10-15 | 武汉工程大学 | Pipeline flange test system |
| CN104458141A (en) * | 2014-12-09 | 2015-03-25 | 湘潭电机股份有限公司 | Dynamic and static seal test device |
| CN105865718A (en) * | 2016-03-28 | 2016-08-17 | 北京理工大学 | Sealing performance testing apparatus of sealing structure |
| US20210108723A1 (en) * | 2018-03-06 | 2021-04-15 | Fnv Ip B.V. | Position monitoring of a gasket between tunnel segments |
-
2012
- 2012-01-11 CN CN2012200101193U patent/CN202420791U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350073A (en) * | 2013-07-23 | 2013-10-16 | 楚天科技股份有限公司 | Plastic bottle vacuum leak detection and leak detection ridding mechanism |
| CN103350073B (en) * | 2013-07-23 | 2015-03-18 | 楚天科技股份有限公司 | Plastic bottle vacuum leak detection and leak detection ridding mechanism |
| CN104101470A (en) * | 2014-06-25 | 2014-10-15 | 武汉工程大学 | Pipeline flange test system |
| CN104458141A (en) * | 2014-12-09 | 2015-03-25 | 湘潭电机股份有限公司 | Dynamic and static seal test device |
| CN105865718A (en) * | 2016-03-28 | 2016-08-17 | 北京理工大学 | Sealing performance testing apparatus of sealing structure |
| US20210108723A1 (en) * | 2018-03-06 | 2021-04-15 | Fnv Ip B.V. | Position monitoring of a gasket between tunnel segments |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202420791U (en) | Mechanical static seal detecting system | |
| CN102865271A (en) | Detection method and device of internal leakage of hydraulic valve | |
| CN203551224U (en) | Gasket sealing performance testing device | |
| CN203412845U (en) | Portable online oil cylinder internal leakage detecting device | |
| CN204313990U (en) | Pipe flange stress monitoring system | |
| CN104865026A (en) | Polyethylene valve sealing performance room temperature low pressure test method | |
| CN201687549U (en) | Dry type leakage detecting apparatus of engine oil filter | |
| CN202611801U (en) | Sensor for integrally measuring engine oil liquid level and crankcase pressure | |
| CN102080726A (en) | Intelligent controlled sealing gasket | |
| CN204241177U (en) | A kind of seal air-tightness pick-up unit | |
| CN101881712A (en) | Gas cylinder test device by using external measuring method of variable-volume burette | |
| CN203224427U (en) | Coarse-grained soil permeability coefficient measuring device | |
| CN212871709U (en) | High-temperature and high-pressure testing device for packer rubber barrel | |
| CN101881700A (en) | Gas cylinder tester with digital image analysis external measuring method | |
| CN201391363Y (en) | Device for monitoring wear status of vessel diesel engine piston ring | |
| CN104316453B (en) | Test fixture for testing resistance to high-temperature, high-pressure and high-corrosive medium of rubber sealing ring | |
| CN106202740A (en) | A kind of bearing cap determines method with the test of bearing block contact surface coefficient of friction | |
| CN203275078U (en) | An oil pump safety valve unlatching characteristic detecting apparatus | |
| CN110441046B (en) | Sealing ring test switching device based on graphite sealing ring | |
| CN202329965U (en) | Detection device for brake caliper cells | |
| CN203420704U (en) | Sucker-rod string side force testing device | |
| CN210513666U (en) | Liquid film sealing dynamic rigidity coefficient and damping coefficient measuring device | |
| CN210243392U (en) | Compression packer packing element contact stress test device | |
| CN203479509U (en) | Piston testing device | |
| CN202501940U (en) | Apparatus for testing starting and operating resistance of piston applicable to high pressure piston type accumulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20130111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |