CN112629847A - O-shaped ring sealing resistance experiment platform and sealing resistance test method - Google Patents
O-shaped ring sealing resistance experiment platform and sealing resistance test method Download PDFInfo
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- CN112629847A CN112629847A CN202110010737.1A CN202110010737A CN112629847A CN 112629847 A CN112629847 A CN 112629847A CN 202110010737 A CN202110010737 A CN 202110010737A CN 112629847 A CN112629847 A CN 112629847A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/005—Sealing rings
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Abstract
The invention discloses an O-shaped ring sealing resistance experiment platform and a sealing resistance test method, relates to the technical field of experiment platforms and solves the technical problem of measuring the sealing resistance of the existing O-shaped sealing ring during sealing design; the invention is used for measuring the sealing resistance of the sealing ring on the platform, and has the advantages that the matching shaft is pneumatically pushed by the high-pressure air device to be extruded with the sealing ring, so that the value of the sealing resistance is calculated.
Description
Technical Field
The invention relates to the technical field of experiment platforms, in particular to the technical field of O-shaped ring sealing resistance experiment platforms, which are used for measuring the sealing resistance of a sealing ring on a platform and calculating the sealing resistance under the condition of surface precision compression of the sealing ring, thereby providing a practical reference sealing resistance for design research and development.
Background
The O-shaped ring has simple structure, convenient assembly and disassembly, various materials, low cost, small dynamic friction resistance, standardized size and groove and strong interchangeability, is often used for static sealing or dynamic sealing of various mechanical equipment and prevents the leakage and the invasion of liquid or gas media with certain temperature and pressure inside and outside the equipment. At present, various types of O-shaped ring sealing elements are widely applied to machine tools, ships, automobiles, aerospace equipment, chemical machinery, engineering machinery, mining machinery, petroleum machinery and various instruments and meters, particularly hydraulic and pneumatic transmission systems and mechanical seals. With the development of production equipment technology, people put forward new requirements on the application parameters and the quality of the O-shaped ring. On one hand, the high-parameter equipment is put into use, and an O-shaped ring with high performance and long period operation is required to be used as a sealing guarantee; on the other hand, the failure or damage of the O-shaped ring often causes the device to leak and fail to work normally, so that material loss, energy waste and environmental pollution are caused, even fire, explosion and personal safety are threatened, most typically, in 28 months of 1986, the most typical situation is that in the aerospace plane of American challenger, the aerospace plane leaks due to the sealing failure of the O-shaped ring at the joint of the rocket booster on the left side, so that the aerospace plane explodes soon after being lifted off, and 7 astronauts are all in distress, so that the biggest tragedy in aerospace history is caused.
The O-shaped ring sealing is always the most common sealing mode in the industrial field, has simple principle, convenient use and lower cost, and is widely applied to various fields in industrial production. However, in the design and development, only a practical reference or solution is not provided for the problem of the sealing resistance of the O-ring during the design of the dynamic seal, even in a standard mechanical design manual, the compression amount of the O-ring is only suggested according to specific sealing conditions and characteristics, and the different compression amounts of the O-ring make the sealing resistance in the dynamic seal quite different, so that the obtaining of the sealing resistance is very important for the research and development of the design.
Disclosure of Invention
The invention aims to: the invention provides an O-shaped ring sealing resistance experiment platform and a sealing resistance testing method, aiming at solving the problem of measuring the sealing resistance of the existing O-shaped ring during sealing design.
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a O type circle sealing resistance experiment platform, includes platform base, fixed triangle chuck, movable triangle chuck, fixed triangle chuck and movable triangle chuck connect in the top of platform base, the centre gripping has the cooperation pipe between fixed triangle chuck and the movable triangle chuck, cooperation pipe inside is equipped with the cooperation axle, the centre gripping has the sealing washer between cooperation axle and the cooperation axle, and the one end of cooperation axle is near there being the highly-compressed air device, the highly-compressed air device has the air inlet, be equipped with the terminal surface sealing lid that is used for sealed cooperation pipe in the movable triangle chuck, cooperation axle, sealing washer and highly-compressed air device are close to movable triangle chuck, the air inlet is close to in the setting is in the geometry centre bore of terminal surface sealing lid.
Further, a base is connected between the platform base and the fixed triangular chuck and between the platform base and the movable triangular chuck, a sliding rail is arranged on the upper end face of the platform base, the sliding rail is fixed to the upper end of the platform base through screws, and the sliding rail is in surface contact with the base connected with the movable triangular chuck.
Further, the lower end of the base connected with the movable triangular chuck is connected with a locking handle through a pin shaft.
Further illustratively, an end of the locking grip is in frictional contact with a surface of the track.
Further, a surface contacted with the base is smooth and is connected between the slide rail and the movable triangular chuck.
Further, a sealing groove is formed in the end face of the end face sealing cover, which is close to the high-pressure air device, any one of an O-shaped sealing ring or a V-shaped sealing ring is arranged in the sealing groove, and one end, which is close to the end face sealing cover, of the matching pipe abuts against the O-shaped sealing ring or the V-shaped sealing ring.
The invention has the following beneficial effects:
1. the invention is characterized in that a matching pipe is clamped between a fixed type triangular chuck and a movable type triangular chuck, a matching shaft is arranged in the matching pipe, a sealing ring is clamped between the matching shaft and the matching shaft, one end of the matching shaft is abutted against a high-pressure air device, the high-pressure air device is provided with an air inlet, an end face sealing cover used for sealing the matching pipe is arranged in the movable type triangular chuck, the matching shaft, the sealing ring and the high-pressure air device are close to the movable type triangular chuck, the air inlet is arranged in a geometric central hole of the end face sealing cover, the pneumatic thrust of the high-pressure air device is utilized to push the matching shaft and the sealing ring to be exactly balanced in sealing resistance, the value of the high-pressure air pressure value is measured so as to calculate the value of the sealing resistance, and the value of the pneumatic thrust, the thrust value is the value of the sealing resistance of the sealing ring.
2. The base is connected between the platform base and the fixed triangular chuck and between the platform base and the movable triangular chuck, the upper end face of the platform base is provided with the slide rail, the slide rail is fixed at the upper end of the platform base through screws, the slide rail is in surface contact with the base connected with the movable triangular chuck, and the movable triangular chuck slides on the slide rail to form a sealing cavity in the matching shaft and the high-pressure air device, so that the matching shaft and the sealing ring are locked and sealed.
3. The lower end of the base connected with the movable triangular chuck is connected with a locking handle through a pin shaft, one end of the locking handle is in frictional contact with the surface of the sliding rail, and the matching shaft and the sealing ring are locked through the friction action between the locking handle and the sliding rail.
4. The surface of the base connected between the slide rail and the movable triangular chuck is smooth, so that the matching shaft, the sealing ring, the high-pressure air device and the end face sealing cover are ensured to be on the same axis, the value of the sealing resistance of the sealing ring can be accurately measured, and the generation of measurement errors is avoided.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
reference numerals: 1-fixed triangular chuck, 2-matching pipe, 3-matching shaft, 4-sealing ring, 5-movable triangular chuck, 6-end face sealing cover, 7-base, 8-locking handle, 9-air inlet, 10-sealing groove, 11-high pressure air device, 12-sliding rail and 13-platform base.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides an O-ring sealing resistance experiment platform, which includes a fixed triangular chuck 1, a matching pipe 2, a matching shaft 3, a sealing ring 4, a movable triangular chuck 5, an end face sealing cover 6, a base 7, a locking handle 8, an air inlet 9, a sealing groove 10, a high pressure air device 11, a sliding rail 12 and a platform base 13, wherein the fixed triangular chuck 1 and the movable triangular chuck 5 are connected above the platform base 13, the matching pipe 2 is clamped between the fixed triangular chuck 1 and the movable triangular chuck 5, the matching shaft 3 is installed inside the matching pipe 2, the sealing ring 4 is clamped between the matching shaft 3 and the matching shaft 3, one end of the matching shaft 3 is close to the high pressure air device 11, the high pressure air device 11 has the air inlet 9, the end face sealing cover 6 for sealing the matching pipe 2 is installed in the movable triangular chuck 5, the matching shaft 3, the sealing ring 4 and the high-pressure air device 11 are close to the movable triangular chuck 5, and the air inlet 9 is arranged in a geometric central hole of the end face sealing cover 6.
The end face sealing cover 6 is close to the end face of the high-pressure air device 11, a sealing groove 10 is formed in the end face sealing cover 6, any one of an O-shaped sealing ring or a V-shaped sealing ring is arranged in the sealing groove 10, and one end, close to the end face sealing cover 6, of the matching pipe 2 abuts against the O-shaped sealing ring or the V-shaped sealing ring.
The lower extreme of the base 7 that movable triangle chuck 5 is connected has locking handle 8 through the round pin hub connection, locking handle 8 one end with the surface friction contact of slide rail 12, it is smooth to be connected with the surface of contact between the base 7 between slide rail 12 and the movable triangle chuck 5.
Example 2
The working principle is as follows: the fixed type triangular chuck 1 cannot translate, the fixed type triangular chuck 1 clamps the matching pipe 2, and the matching pipe 2 clamps one end of the matching shaft 3; the matching pipe 2, the matching shaft 3 and the sealing ring 4 (O-shaped sealing ring) are of a matching structure of the sealing resistance to be measured, wherein the matching shaft 3 is a solid shaft; the movable triangular chucks 5 can translate along the slide rails 8 and are locked by the locking grips 8, and the two triangular chucks are fixed above the platform base 13 through the base 7; the end face sealing cover 6 is provided with an end face sealing groove 10, a sealing ring is arranged to realize end face sealing with the matching pipe 2, and a sealing cavity is formed by the matching pipe 2, the matching shaft 3, the sealing ring 4 and the end face sealing cover 6; high-pressure air is specially used in the high-pressure air device 11, the high-pressure air is blown in through the air inlet 9 to enable the high-pressure air device 11 to extrude the matching shaft 3, the matching shaft 3 extrudes the sealing ring 4, the size of a pressure value required by pushing the matching shaft 3 to overcome the sealing resistance of the O-shaped sealing ring is calculated, and the thrust value is a reference value of the sealing resistance of the sealing ring.
Example 3
The method comprises the following specific implementation steps:
1) the matching pipe 2, the matching shaft 3, the sealing ring 4 and the end face sealing cover 6 are arranged between the fixed type triangular chuck 1 and the movable type triangular chuck 5 through end face sealing, and are fixed and clamped tightly;
2) the movable triangular chuck 5 is pushed to enable the end face sealing cover 6 to be tightly pressed on the matching pipe 2, and then the locking handle 8 is locked, so that the end face sealing is good;
3) slowly filling high-pressure air into the high-pressure air device 11 until the matching shaft 3 starts to move slowly, and determining a pressure value when the matching shaft 3 is pushed to move right only if the pressure of the high-pressure air is increased slowly;
4) calculating pneumatic thrust applied to the matching shaft 3 under the pressure value according to the pressure value and parameters such as the diameter of the matching shaft 3;
5) the pneumatic thrust can be used as a sealing resistance value under the experimental matching condition.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a O type circle sealing resistance experiment platform, includes platform base (13), fixed triangle chuck (1), movable triangle chuck (5), fixed triangle chuck (1) and movable triangle chuck (5) connect in the top of platform base (13), between fixed triangle chuck (1) and the movable triangle chuck (5) centre gripping have cooperation pipe (2), its characterized in that: the pipe is managed in the cooperation (2) inside cooperation axle (3) of being equipped with, cooperation axle (3) and the centre gripping between it have sealing washer (4), and the one end of cooperation axle (3) is near having highly-compressed air device (11), highly-compressed air device (11) have air inlet (9), be equipped with in movable triangle chuck (5) and be used for sealed terminal surface sealing lid (6) of cooperation pipe (2), cooperation axle (3), sealing washer (4) and highly-compressed air device (11) are close to in movable triangle chuck (5), air inlet (9) set up in the geometric centre bore of terminal surface sealing lid (6).
2. The O-ring seal resistance experiment platform of claim 1, wherein: platform base (13) with be connected with base (7) between fixed triangle chuck (1) and movable triangle chuck (5), the up end of platform base (13) is equipped with slide rail (12), slide rail (12) are through the fix with screw in the upper end of platform base (13), and slide rail (12) carry out the face contact with base (7) that movable triangle chuck (5) are connected.
3. The O-ring seal resistance experiment platform of claim 2, wherein: the lower end of a base (7) connected with the movable triangular chuck (5) is connected with a locking handle (8) through a pin shaft.
4. The O-ring sealing resistance experiment platform of claim 3, wherein: one end of the locking handle (8) is in frictional contact with the surface of the sliding rail (12).
5. The O-ring seal resistance experiment platform of claim 2, wherein: the surface of the contact between the bases (7) connected between the sliding rail (12) and the movable triangular chuck (5) is smooth.
6. The O-ring seal resistance experiment platform of claim 1, wherein: the end face sealing cover (6) is close to the end face of the high-pressure air device (11), a sealing groove (10) is formed in the end face of the end face sealing cover (6), any one of an O-shaped sealing ring or a V-shaped sealing ring is arranged in the sealing groove (10), and one end, close to the end face sealing cover (6), of the matching pipe (2) is abutted to the O-shaped sealing ring or the V-shaped sealing ring.
7. The method for testing the sealing resistance of the O-ring sealing resistance experiment platform according to claim 1, wherein the method comprises the following steps:
step 1: mounting the matching pipe (2), the matching shaft (3), the sealing ring (4) and the end face sealing cover (6) according to the connection relation of claim 1;
step 2, pushing the movable triangular chuck (5) to enable the end face sealing cover (6) to tightly press the matching pipe 2, and then manually shaking the locking grip (8) to enable one end of the locking grip (8) to be in friction locking with the sliding rail (12), wherein the end face sealing is good;
step 3, slowly filling high-pressure air into the high-pressure air device (11) until the matching shaft (3) starts to move slowly until the matching shaft (3) extrudes the sealing ring (4) to deform;
step 4, extruding the matching shaft (3) according to a pressure value generated by deformation of the sealing ring (4), so that the diameter of the matching shaft (3) is changed, balancing the reaction force of the sealing ring (4) on the matching shaft (3) with the pneumatic thrust of the high-pressure air device (11) on the extruding and matching shaft (3), and calculating the magnitude of the pneumatic thrust;
and 5, taking the value of the pneumatic thrust as a sealing resistance value of the sealing ring (4) in an experimental test.
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| CN202110010737.1A CN112629847B (en) | 2021-01-06 | 2021-01-06 | O-shaped ring sealing resistance experiment platform and sealing resistance test method |
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| CN202110010737.1A CN112629847B (en) | 2021-01-06 | 2021-01-06 | O-shaped ring sealing resistance experiment platform and sealing resistance test method |
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| CN112629847A true CN112629847A (en) | 2021-04-09 |
| CN112629847B CN112629847B (en) | 2023-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184330A (en) * | 2021-12-21 | 2022-03-15 | 芜湖荣基密封系统有限公司 | Sealing detection equipment for sealing gasket rubber ring |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB885075A (en) * | 1958-11-10 | 1961-12-20 | Gen Motors Corp | Improved method of and apparatus for testing ring seals |
| GB936823A (en) * | 1961-08-25 | 1963-09-11 | Gen Motors Corp | Method of and apparatus for testing a lip seal |
| US5000033A (en) * | 1989-06-05 | 1991-03-19 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | O-ring gasket test fixture |
| CN1825083A (en) * | 2006-03-27 | 2006-08-30 | 南京化工职业技术学院 | Multi-parameter controllable high-rotating speed mechanical sealing performance tester |
| DE102008053710A1 (en) * | 2008-10-29 | 2010-05-06 | Robert Bosch Gmbh | Electrical device for wear detection of elastomeric dynamic seals |
| JP2011144847A (en) * | 2010-01-13 | 2011-07-28 | Riken Corp | Seal ring and sealing device |
| CN103954438A (en) * | 2014-02-28 | 2014-07-30 | 中国石油集团渤海钻探工程有限公司 | Testing device for frictional resistance of sealing ring under pressure state |
| JP2014178037A (en) * | 2014-07-02 | 2014-09-25 | Riken Corp | Seal ring and seal device |
| CN104132805A (en) * | 2014-08-01 | 2014-11-05 | 清华大学 | Multifunctional pneumatic reciprocating sealing performance test bench |
| CN205080045U (en) * | 2015-09-25 | 2016-03-09 | 浙江工业大学 | O shape circle friction test device |
| CN106338446A (en) * | 2016-08-02 | 2017-01-18 | 哈尔滨工程大学 | Sealing ring rebound speed test device based on parallel laser |
| CN106353080A (en) * | 2016-08-30 | 2017-01-25 | 中国海洋大学 | Experimental device and experimental method for linear dynamic sealing characteristics of sealing rings |
| CN206020014U (en) * | 2016-08-30 | 2017-03-15 | 中国海洋大学 | A kind of sealing ring straight line dynamic sealing characteristic experimental apparatus |
| CN107643170A (en) * | 2017-10-18 | 2018-01-30 | 南方电网科学研究院有限责任公司 | A kind of mouse cage shape sealing ring ageing test apparatus |
| CN108020189A (en) * | 2016-10-28 | 2018-05-11 | 长城汽车股份有限公司 | The detection method and detection device of sealing ring |
| CN108287044A (en) * | 2017-12-30 | 2018-07-17 | 北京化工大学 | A kind of elevated-temperature seal experimental provision that sealing pressing force is continuously adjustable |
| CN207689272U (en) * | 2017-12-14 | 2018-08-03 | 深圳三思纵横科技股份有限公司 | A kind of pneumatic Wedge gripping |
| CN108801775A (en) * | 2018-06-28 | 2018-11-13 | 德阳市重装检测有限责任公司 | Anti-slip type mechanical organ apparatus for fastening |
| CN109406067A (en) * | 2018-11-21 | 2019-03-01 | 华南理工大学 | Rubber seal rings for seal characteristic detection device under a kind of high pressure hydrogen |
| CN110274735A (en) * | 2019-07-03 | 2019-09-24 | 清华大学 | A kind of adjustable static seal experimental apparatus for testing of multi-stage compression rate |
| CN210413178U (en) * | 2019-08-30 | 2020-04-28 | 齐齐哈尔众工科技有限公司 | Transition body of automatic cladding cooling device for inner hole of jacket cylinder |
| CN211122372U (en) * | 2019-11-15 | 2020-07-28 | 安徽沃尔顶密封工业有限公司 | O-shaped sealing ring aging test device convenient to operate |
| CN211121794U (en) * | 2019-12-19 | 2020-07-28 | 中国海洋石油集团有限公司 | Two-way sealing performance detection experimental device of O-shaped ring |
| CN211097961U (en) * | 2020-05-12 | 2020-07-28 | 福建福清核电有限公司 | Air filter element cleaning device for diesel engine |
| CN111929056A (en) * | 2020-09-03 | 2020-11-13 | 中国铁道科学研究院集团有限公司 | Sealing member motion resistance testing device |
-
2021
- 2021-01-06 CN CN202110010737.1A patent/CN112629847B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB885075A (en) * | 1958-11-10 | 1961-12-20 | Gen Motors Corp | Improved method of and apparatus for testing ring seals |
| GB936823A (en) * | 1961-08-25 | 1963-09-11 | Gen Motors Corp | Method of and apparatus for testing a lip seal |
| US5000033A (en) * | 1989-06-05 | 1991-03-19 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | O-ring gasket test fixture |
| CN1825083A (en) * | 2006-03-27 | 2006-08-30 | 南京化工职业技术学院 | Multi-parameter controllable high-rotating speed mechanical sealing performance tester |
| DE102008053710A1 (en) * | 2008-10-29 | 2010-05-06 | Robert Bosch Gmbh | Electrical device for wear detection of elastomeric dynamic seals |
| JP2011144847A (en) * | 2010-01-13 | 2011-07-28 | Riken Corp | Seal ring and sealing device |
| CN103954438A (en) * | 2014-02-28 | 2014-07-30 | 中国石油集团渤海钻探工程有限公司 | Testing device for frictional resistance of sealing ring under pressure state |
| JP2014178037A (en) * | 2014-07-02 | 2014-09-25 | Riken Corp | Seal ring and seal device |
| CN104132805A (en) * | 2014-08-01 | 2014-11-05 | 清华大学 | Multifunctional pneumatic reciprocating sealing performance test bench |
| CN205080045U (en) * | 2015-09-25 | 2016-03-09 | 浙江工业大学 | O shape circle friction test device |
| CN106338446A (en) * | 2016-08-02 | 2017-01-18 | 哈尔滨工程大学 | Sealing ring rebound speed test device based on parallel laser |
| CN206020014U (en) * | 2016-08-30 | 2017-03-15 | 中国海洋大学 | A kind of sealing ring straight line dynamic sealing characteristic experimental apparatus |
| CN106353080A (en) * | 2016-08-30 | 2017-01-25 | 中国海洋大学 | Experimental device and experimental method for linear dynamic sealing characteristics of sealing rings |
| CN108020189A (en) * | 2016-10-28 | 2018-05-11 | 长城汽车股份有限公司 | The detection method and detection device of sealing ring |
| CN107643170A (en) * | 2017-10-18 | 2018-01-30 | 南方电网科学研究院有限责任公司 | A kind of mouse cage shape sealing ring ageing test apparatus |
| CN207689272U (en) * | 2017-12-14 | 2018-08-03 | 深圳三思纵横科技股份有限公司 | A kind of pneumatic Wedge gripping |
| CN108287044A (en) * | 2017-12-30 | 2018-07-17 | 北京化工大学 | A kind of elevated-temperature seal experimental provision that sealing pressing force is continuously adjustable |
| CN108801775A (en) * | 2018-06-28 | 2018-11-13 | 德阳市重装检测有限责任公司 | Anti-slip type mechanical organ apparatus for fastening |
| CN109406067A (en) * | 2018-11-21 | 2019-03-01 | 华南理工大学 | Rubber seal rings for seal characteristic detection device under a kind of high pressure hydrogen |
| CN110274735A (en) * | 2019-07-03 | 2019-09-24 | 清华大学 | A kind of adjustable static seal experimental apparatus for testing of multi-stage compression rate |
| CN210413178U (en) * | 2019-08-30 | 2020-04-28 | 齐齐哈尔众工科技有限公司 | Transition body of automatic cladding cooling device for inner hole of jacket cylinder |
| CN211122372U (en) * | 2019-11-15 | 2020-07-28 | 安徽沃尔顶密封工业有限公司 | O-shaped sealing ring aging test device convenient to operate |
| CN211121794U (en) * | 2019-12-19 | 2020-07-28 | 中国海洋石油集团有限公司 | Two-way sealing performance detection experimental device of O-shaped ring |
| CN211097961U (en) * | 2020-05-12 | 2020-07-28 | 福建福清核电有限公司 | Air filter element cleaning device for diesel engine |
| CN111929056A (en) * | 2020-09-03 | 2020-11-13 | 中国铁道科学研究院集团有限公司 | Sealing member motion resistance testing device |
Non-Patent Citations (1)
| Title |
|---|
| 叶子波;黄兴;: "新型双向密封件的接触变形及应力分析", no. 11 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184330A (en) * | 2021-12-21 | 2022-03-15 | 芜湖荣基密封系统有限公司 | Sealing detection equipment for sealing gasket rubber ring |
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| CN112629847B (en) | 2023-09-29 |
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