CN203551413U - Seal gasket high temperature compression resilience and air tightness comprehensive testing device - Google Patents
Seal gasket high temperature compression resilience and air tightness comprehensive testing device Download PDFInfo
- Publication number
- CN203551413U CN203551413U CN201320683212.5U CN201320683212U CN203551413U CN 203551413 U CN203551413 U CN 203551413U CN 201320683212 U CN201320683212 U CN 201320683212U CN 203551413 U CN203551413 U CN 203551413U
- Authority
- CN
- China
- Prior art keywords
- flange
- coldplate
- oil cylinder
- lower flange
- base
- 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
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a seal gasket high temperature compression resilience and air tightness comprehensive testing device. The device is formed by sequentially connecting a top plate, an upper cooling plate, an upper heating plate and an upper flange from top to bottom, wherein a lower flange, a lower cooling plate, a lower heating plate, a cooling plate base, an oil cylinder, an oil cylinder base and a pressure sensor are sequentially connected from top to bottom; a pair of displacement sensors are fixed on two sides of the upper flange through an upper fixing frame, and telescopic rods at the lower ends of the displacement sensors are in contact with a lower fixing frame; a seal gasket is sealed between the upper flange and the lower flange to form a middle cavity and an outer ring cavity; an air inlet passage is formed on the upper flange, and one end of the air inlet passage is connected to an air inlet passage while the other end is communicated with the middle cavity through an air inlet; an air outlet is formed on the edge of the lower flange; an air outlet passage is formed in the lower flange from the lower side of the air outlet; and the air outlet passage is connected to an air outlet passage and is connected to a computer acquisition system. The comprehensive testing device disclosed by the utility model can simultaneously test air tightness and compression resilient performance of the seal gasket, and is uniform in gasket stress and high in equipment precision.
Description
Technical field
The utility model relates to high temperature compressed rebound performance and the impermeability of gasket seal, relates in particular to the high temperature compressed resilience of a kind of gasket seal and impermeability comprehensive test device.
Background technology
The compression recovery performance of gasket seal and impermeability are two most important indexs that are related to gasket seal performance quality.The test of these performances is important means of evaluating gasket seal improvement in performance and improving pad product quality.Existing gasket seal performance testing device is all that these two kinds of performances are tested respectively, on different test units, tests, and test mechanism is complicated, installation is difficult, equipment is superfluous heavy, also affects measuring accuracy and testing efficiency.Meanwhile, existing proving installation generally only can carry out the test of gasket seal room-temperature property, can not evaluate the high temperature performance of gasket seal, and this has significant limitation.
State Intellectual Property Office of the People's Republic of China discloses October 31 calendar year 2001 the patent documentation that publication number is CN2457595Y, and title is compression and the rebound performance testing machine of gasket material.It by the framework cooperatively interacting, upper load bar, lower load bar, inside there is the overcoat of gathering sill, spiral inner sleeve, elevating screws cover, compression stop, pressure head support, lower load bar leading key, standard testing pressure head, test platform and the displacement measurement instrument that outside has gathering sill forms.This testing machine is in the fixing lower load bar of a plurality of back up pads, equipment is installed difficulty, and testing load bar at present easily rotates, affect measuring accuracy, and there is no lifting gear, can only manually mention lower load bar and put into pad test, and the non-adjustable test that can not meet different pad specific pressures of counterweight weight.
State Intellectual Property Office of the People's Republic of China discloses on March 10th, 2009 patent documentation that publication number is CN101666700A, and title is leakage rate of high-temperature sealing gasket method of testing and proving installation.It is comprised of " protruding " shape upper flange, " recessed " shape lower flange, outer trim ring, interior trim ring, outer press ring, inner pressure ring, medium escape pipe, temperature sensor and micro-pressure sensor.This test unit converts by pressure, temperature and the volume being determined in fixed time interval inner side leakage chamber, according to the equation of gas state, calculates slip.Because the equation of gas state is to be based upon under the prerequisite of ideal gas, and actual gas parameter is wanted the many of complexity, the test result bigger error therefore calculating.Particularly, under the condition of High Temperature High Pressure, this experimental provision cannot meet required measuring accuracy at all.
Summary of the invention
The purpose of this utility model is the technical disadvantages that overcomes existing apparatus, and a kind of improved gasket compression resilience and impermeability comprehensive test device are provided.
The utility model is achieved through the following technical solutions:
The high temperature compressed resilience of a kind of gasket seal and impermeability comprehensive test device, it is characterized in that, described device comprises: on a base 13, fix two pairs of supports, cantilever tip is top board 1 fixedly, top board 1, upper coldplate 2, upper heating plate 3, upper flange 4 from top to bottom connect successively, lower flange 6, lower coldplate 7, lower heating plate 8, coldplate base 9, oil cylinder 10, cylinder pedestal 11, pressure transducer 12 connect from top to bottom successively, and pressure transducer 12 is fixed on base 13; A pair of upper holder 16, its one end is connected in the both sides of upper flange, and the other end is with through hole 22, and a pair of displacement transducer 14 is fixed on the both sides of upper flange 4 by through hole 22, a pair of lower fixed frame 17 is fixed on lower flange both sides, and the expansion link of displacement transducer 14 lower ends contacts with lower fixed frame; Gasket seal 5 is sealed between upper and lower flange, form middle cavity 18 and outer shroud cavity 19, in lateral by upper flange 4, have inlet channel 23, one end of inlet channel connects admission line 20, the other end is communicated with middle cavity 18 by the air intake opening 25 at upper flange center, gas outlet 26 is arranged on the edge of lower flange 6 of outer shroud cavity 19, by gas outlet 26, in lower flange, has outlet passageway 24, and outlet passageway is communicated with the outlet pipe 21 in lower flange outside; A computer acquisition system 27 is connected with outlet pipe 21.
In described device, the upper surface of described cylinder pedestal 11 has the upper groove 28 matching with oil cylinder 10, and its lower surface has the circular hole 29 matching with pressure transducer.
In described device, the upper surface of described coldplate base 9 has the deep-slotted chip breaker 30 matching with lower coldplate 8, and its lower surface has the low groove 31 matching with oil cylinder 10.
The beneficial effects of the utility model are:
(1) compression rebound and air tightness test are combined in a covering device and are carried out.By high-precision displacement transducer being installed at upper flange two ends, make this proving installation can carry out the test of gasket seal impermeability and compression recovery performance simultaneously.
(2) enter outlet passageway and directly on upper lower flange, process, avoided each pipeline to connect and the system leak that causes, higher than existing equipment degree of accuracy;
(3) cylinder pedestal upper and lower surface all adopts groove fit, guarantees that oil cylinder operates steadily.Meanwhile, between coldplate and base, adopt arc to coordinate, guarantee that the pressure that gasket seal is subject to is even.
Accompanying drawing explanation
Fig. 1 is the utility model general assembly drawing
Wherein, 1, top board; 2, upper coldplate; 3, upper heating plate; 4, upper flange; 5, test pad; 6, lower flange; 7, lower heating plate; 8, lower coldplate; 9, coldplate base; 10, oil cylinder; 11, cylinder pedestal; 12, pressure transducer; 13, base plate; 14, displacement transducer; 15, collection leaks cover; 16, upper holder; 17, lower fixed frame; 18, middle cavity; 19, outer ring cavity; 20, draft tube; 21, escape pipe, 23, inlet channel, 24, outlet passageway, 25, air intake opening, 26, gas outlet, 27, computer acquisition system.
Fig. 2 is upper holder structural representation
Wherein, 22, through hole.
Fig. 3 is lower fixed frame structural representation
Fig. 4 is upper flange structural representation
Wherein, 23, inlet channel, 25, air intake opening.
Fig. 5 is lower flange structural representation
Wherein, 24, outlet passageway, 26, gas outlet.
Fig. 6 is cylinder pedestal structural representation
Wherein, 28, upper groove, 29, circular hole.
Fig. 7 is coldplate understructure schematic diagram
Wherein, 30, deep-slotted chip breaker, 31, low groove.
Embodiment
Below by the drawings and specific embodiments, the utility model is further elaborated.
As shown in Figure 1, the utility model is fixed two pairs of supports on base 13, cantilever tip is top board 1 fixedly, top board 1, upper coldplate 2, upper heating plate 3, upper flange 4 from top to bottom connect successively, lower flange 6, lower coldplate 7, lower heating plate 8, coldplate base 9, oil cylinder 10, cylinder pedestal 11, pressure transducer 12 connect from top to bottom successively, and pressure transducer 12 is fixed on base 13.
Upper and lower fixed support is as shown in Figure 2 and Figure 3 fixed on two displacement transducers the both sides of upper flange, utilize two screws displacement transducer fixed mount to be fixed on to the two ends of upper flange, displacement transducer is also fixed with a screw through fixed mount, with two, do not have the fixed mount of perforation to be arranged on the both sides of lower flange simultaneously, by contacting with displacement transducer expansion link the micro-displacement that can measure gasket material compression rebound, to reach the object of measuring gasket compression resilience, its advantage is simple in structure light and handy, has reduced installation difficulty;
As shown in Figure 4, Figure 5 directly in upper and lower flange drilling as air inlet/outlet, in upper flange centre position, drill through nitrogen air intake opening, outside lower flange, ring position drills through nitrogen gas outlet, simplifies the structure, and has reduced pipeline and has connected number, has reduced systematic error;
The cylinder pedestal of special processing and coldplate base are used for connecting oil cylinder and coldplate as shown in Figure 6,7: the upper surface of cylinder pedestal 11 has the upper groove 28 matching with oil cylinder 10, its lower surface has the circular hole 29 matching with pressure transducer, at the upper surface of coldplate base 9, drive the deep-slotted chip breaker 30 matching with lower coldplate 8, its lower surface has the low groove 31 matching with oil cylinder 10.Make oil cylinder and miscellaneous part fit in integral body, can prevent that in oil cylinder operational process, occurred level moves, it is operated steadily, the pressure that is applied to pad is even.
While carrying out sealing property test, computer acquisition system 27 is connected with escape pipe 21, by oil cylinder 10, promote lower flange 6 and move up, extruding test pad 5 also keeps to certain pressure, utilizes upper heating plate 3 and lower heating plate 7 flange to be heated to the temperature needing simultaneously; By draft tube 20, inlet channel 23, toward middle cavity 18, pass into the nitrogen of certain pressure, and keep air pressure constant; The nitrogen leaking flows to outer ring cavity 19 through pad 5 from middle cavity 18, and is collected by computer acquisition system 27 through outlet passageway 24, escape pipe 21, and the gas that after certain hour, record is collected is leakage rate.
While carrying out compression recovery performance test, computer acquisition system 27 is connected with displacement transducer 14, by oil cylinder 10, promotes lower flange 6 and move up, extruding test pad 5, and utilizing upper heating plate 3 and lower heating plate 7 flange to be heated to the temperature needing, after pressurize certain hour, unloading cylinder 10; In this process, by computer acquisition system 27, record the mean value of two displacement transducer 14 displacement variable, and be depicted as curve, and compressibility and the rebound degree of by the gasket compression amount that collects and springback capacity, calculating pad.
Claims (3)
1. the high temperature compressed resilience of gasket seal and impermeability comprehensive test device, it is characterized in that, described device comprises: on a base (13), fix two pairs of supports, cantilever tip is top board (1) fixedly, top board (1), upper coldplate (2), upper heating plate (3), upper flange (4) from top to bottom connects successively, lower flange (6), lower coldplate (7), lower heating plate (8), coldplate base (9), oil cylinder (10), cylinder pedestal (11), pressure transducer (12) connects from top to bottom successively, pressure transducer (12) is fixed on base (13), a pair of upper holder (16), its one end is connected in the both sides of upper flange, the other end is with through hole (22), a pair of displacement transducer (14) is fixed on the both sides of upper flange (4) by through hole (22), a pair of lower fixed frame (17) is fixed on lower flange both sides, and the expansion link of displacement transducer (14) lower end contacts with lower fixed frame, gasket seal (5) is sealed between upper and lower flange, form middle cavity (18) and outer shroud cavity (19), in lateral by upper flange (4), have inlet channel (23), one end of inlet channel connects admission line (20), the other end is communicated with middle cavity (18) by the air intake opening (25) at upper flange center, gas outlet (26) is arranged on the edge of lower flange (6) of outer shroud cavity (19), by gas outlet (26), in lower flange, have outlet passageway (24), outlet passageway is communicated with the outlet pipe (21) in lower flange outside, a computer acquisition system (27) is connected with outlet pipe (21).
2. proving installation as claimed in claim 1, is characterized in that, the upper surface of described cylinder pedestal (11) has the upper groove (28) matching with oil cylinder (10), and its lower surface has the circular hole (29) matching with pressure transducer.
3. proving installation as claimed in claim 1, is characterized in that, the upper surface of described coldplate base (9) has the deep-slotted chip breaker (30) matching with lower coldplate (8), the low groove (31) that its lower surface has and oil cylinder (10) matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683212.5U CN203551413U (en) | 2013-10-30 | 2013-10-30 | Seal gasket high temperature compression resilience and air tightness comprehensive testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320683212.5U CN203551413U (en) | 2013-10-30 | 2013-10-30 | Seal gasket high temperature compression resilience and air tightness comprehensive testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551413U true CN203551413U (en) | 2014-04-16 |
Family
ID=50469511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320683212.5U Expired - Fee Related CN203551413U (en) | 2013-10-30 | 2013-10-30 | Seal gasket high temperature compression resilience and air tightness comprehensive testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551413U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792508A (en) * | 2015-04-15 | 2015-07-22 | 中国航天科技集团公司川南机械厂 | Online compression amount measurement method for seal ring of small solid rocket |
| CN105423018A (en) * | 2016-01-08 | 2016-03-23 | 武汉工程大学 | Leakage detecting device of high-temperature flange connecting system |
| CN105588691A (en) * | 2016-02-03 | 2016-05-18 | 滨州学院 | Air leak rate testing device and testing method of bionic self-healing material |
| CN108507724A (en) * | 2018-05-17 | 2018-09-07 | 安徽江淮汽车集团股份有限公司 | Engine leakage test tool |
| CN110940470A (en) * | 2019-10-15 | 2020-03-31 | 西北工业大学 | Rubber seal performance testing device |
| CN115420438A (en) * | 2022-08-05 | 2022-12-02 | 中广核工程有限公司 | Modularized static seal test detection device |
| CN117470444A (en) * | 2023-12-28 | 2024-01-30 | 江苏择善精密机械有限公司 | Sealing gasket sealing performance test equipment |
-
2013
- 2013-10-30 CN CN201320683212.5U patent/CN203551413U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792508A (en) * | 2015-04-15 | 2015-07-22 | 中国航天科技集团公司川南机械厂 | Online compression amount measurement method for seal ring of small solid rocket |
| CN104792508B (en) * | 2015-04-15 | 2017-05-03 | 中国航天科技集团公司川南机械厂 | Online compression amount measurement method for seal ring of small solid rocket |
| CN105423018A (en) * | 2016-01-08 | 2016-03-23 | 武汉工程大学 | Leakage detecting device of high-temperature flange connecting system |
| CN105423018B (en) * | 2016-01-08 | 2018-12-14 | 武汉工程大学 | The leak-checking apparatus of Flanged Joints at Elevated Temperature |
| CN105588691A (en) * | 2016-02-03 | 2016-05-18 | 滨州学院 | Air leak rate testing device and testing method of bionic self-healing material |
| CN108507724A (en) * | 2018-05-17 | 2018-09-07 | 安徽江淮汽车集团股份有限公司 | Engine leakage test tool |
| CN110940470A (en) * | 2019-10-15 | 2020-03-31 | 西北工业大学 | Rubber seal performance testing device |
| CN110940470B (en) * | 2019-10-15 | 2021-10-26 | 西北工业大学 | Rubber seal performance testing device |
| CN115420438A (en) * | 2022-08-05 | 2022-12-02 | 中广核工程有限公司 | Modularized static seal test detection device |
| CN117470444A (en) * | 2023-12-28 | 2024-01-30 | 江苏择善精密机械有限公司 | Sealing gasket sealing performance test equipment |
| CN117470444B (en) * | 2023-12-28 | 2024-03-19 | 江苏择善精密机械有限公司 | Sealing gasket sealing performance test equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203551413U (en) | Seal gasket high temperature compression resilience and air tightness comprehensive testing device | |
| CN107340101B (en) | Gas micro-leakage detection device and method for sealing device | |
| CN203551224U (en) | Gasket sealing performance testing device | |
| CN206002268U (en) | Cylinder seal testing equipment | |
| CN212871709U (en) | High-temperature and high-pressure testing device for packer rubber barrel | |
| CN205642765U (en) | Bellows gas tightness check out test set | |
| CN208206090U (en) | A kind of housing assembly comprehensive detection device | |
| CN110657982A (en) | Breather valve capability test system | |
| CN216132647U (en) | Capacitance air tightness detection device | |
| CN206876357U (en) | Hermetically sealed testboard for car air filtering core assembly | |
| CN210295924U (en) | Double-shell type nuclear power station shell concrete leakage rate measuring device | |
| CN111351740B (en) | Device and method for measuring inward expansion deformation rate of three-dimensional coal matrix | |
| CN211669025U (en) | Rock core gas permeability detection device | |
| CN103123257B (en) | Intake and exhaust valve oil seal inward flange cubing and detection method thereof | |
| CN209513176U (en) | Fuel cell bipolar plate tightness detecting tool | |
| CN108489726B (en) | Durability detection device for gas pressure regulator membrane | |
| CN214952722U (en) | Train blast pipe pressurization test device | |
| CN110926706A (en) | A gas tightness detection device for manometer valve | |
| CN205449211U (en) | Biogas engineering gas production test system | |
| CN219798626U (en) | Engine end cover air tightness detection device | |
| CN109341983A (en) | A kind of pressure measuring tool | |
| CN219474907U (en) | Pressure cover valve core detection table | |
| CN220819686U (en) | Comprehensive test device for low-temperature performance of gasket | |
| CN220288903U (en) | Air leakage detection device of pneumatic equipment | |
| CN220893537U (en) | Flowmeter check out test set |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20211030 |