CN202583046U - Test device for friction force of elastic sealing ring - Google Patents
Test device for friction force of elastic sealing ring Download PDFInfo
- Publication number
- CN202583046U CN202583046U CN 201220152692 CN201220152692U CN202583046U CN 202583046 U CN202583046 U CN 202583046U CN 201220152692 CN201220152692 CN 201220152692 CN 201220152692 U CN201220152692 U CN 201220152692U CN 202583046 U CN202583046 U CN 202583046U
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- Prior art keywords
- deck
- seal ring
- elastic seal
- friction force
- elastic sealing
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- Expired - Fee Related
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Abstract
The utility model relates to a test device for the friction force of an elastic sealing ring and belongs to the technical field of mechanical tests. The test device comprises a mandrel, a connecting sleeve, the elastic sealing ring, grooves and clamping bases, wherein the clamping bases are arranged on the two sides of the mandrel; the outer sides of the top ends of the clamping bases are connected with the connecting sleeve; and the elastic sealing ring is arranged in the grooves formed in the clamping bases. The device can simulate a practical working condition and directly measure the magnitude of the friction force of the elastic sealing ring (an O-shaped rubber or V-shaped ring and the like). Through the match of the elastic sealing rings (the O-shaped rubber or V-shaped ring and the like) with different sizes, the size of the grooves, the clamping bases and the mandrel, the magnitude of the friction force of the elastic sealing ring with different compression amounts can be measured, and the friction force of different elastic sealing rings can be measured by replacing the clamping bases and the size of the grooves.
Description
Technical field
The utility model relates to
OnePlant elastic seal ring friction testing device, belong to the test mechanical technical field.
Background technology
In the seal element, use elastic seal ring in a large number.They have lot of advantages, good airproof performance for example, and the life-span is long, compact conformation, institute takes up space little, and the kinetic friction resistance is little, and is good to the adaptability of medium, temperature and pressure, makes simply, and mounting or dismounting are convenient, and are with low cost etc., are widely used in the various hermetically-sealed constructions.
The diameter of section of elastic caoutchouc circle and compressibility are to weigh the sealing ring tightness ability and the important parameter in life-span.The friction and wear behavior of elastic seal ring and mating part is the important performance of elastic seal ring, and wherein friction force is relevant with the performance sealing of containment member.Influence elastic seal ring, like O-ring seals, the influence factor of friction force is a lot, comprises material, sectional dimension, compressibility etc.Accurately the friction force of prediction elastic seal ring is not only extremely important to the characteristic of understanding elastic seal ring; And it is also extremely important to the application system of elastic seal ring; For example the friction force of mechanical seal compensated loop auxiliary seal ring (O shape circle or v shaped ring etc.) is most important to the design of sealing system, especially for the mechanical seal oil-free lubricatoin systems such as (dry gas seals) of gas lubrication.Spring force is too small, can not overcome the friction force of elastic seal ring and axle, will cause the forfeiture of compensated loop compensate function, causes seal leakage; If spring force is excessive, will cause the seal face specific pressure to increase, accelerated wear test is serious with heating, shortens the mechanical seal life-span, even loses efficacy rapidly.
The friction force of elastic seal ring also has material impact to the dynamic perfromance of system.Though generally speaking, the rubbing characteristics of elastic seal ring is not the determinative that causes elastic seal ring (O shape circle) to lose efficacy, when friction force was basic load, the friction force characteristic had just become to relate to a very important key factor of machine power parameter.Generally, exist mutual restriction, interactional relation between sealing property and the friction force.When the seal element sealing property improved, friction force also can increase accordingly; And the increase of friction force can directly cause again being descended by the locomitivity of seal member, and therefore the effect of influence sealing, in order to guarantee the performance of employed seal element in process of production effectively, is very urgent to friction force research.
Therefore, accurately predict and definite elastic seal ring friction force big or small most important.At present, existing elastic seal ring friction force device more complicated is difficult to promote.
Summary of the invention
The purpose of the utility model is to provide a kind of elastic seal ring friction testing device, friction force, the especially friction force under the oil-free lubricatoin state of elastic seal ring when being mainly used in the different compressibility of test (O shape circle or v shaped ring etc.).
The technical scheme of the utility model is: a kind of elastic seal ring friction testing device comprises axle 2, coupling sleeve 3, elastic seal ring 4, groove 5 and deck 6.Deck 6 is equipped with in axle 2 both sides, and the deck 6 tops outsides is connected with coupling sleeve 3, and elastic seal ring 4 is installed in the groove 5 that deck 6 is provided with.Following gauge head 7 connects pressure transducer.
It is middle with deck 6 that said axle 2 is positioned at coupling sleeve 3.
Said axle 2 is solid shaft or tubular shaft, and its overall diameter is 10mm ~ 1000mm.
Said groove 5 can be positioned at deck 6 optional positions.
Said coupling sleeve 3 is a demountable structure with deck 6 junctions, adopts bolt to connect.
Said groove 5 sizes of the utility model can be confirmed according to elastic seal ring 4 (O shape circle or v shaped ring etc.) size and desired compression rate.Coupling sleeve 3 internal diameters are greater than deck 6 internal diameters, and the deck of coupling sleeve 3 and different size 6 is connected through bolt.Deck 6 is made two with coupling sleeve 3, and the deck of being convenient to change different size 6 is to measure the friction force of different size, different magnitude of interference elastic ring (O shape circle or v shaped ring etc.).
During use, earlier elastic seal ring 4 (O shape circle or v shaped ring etc.) is placed in the groove 5, deck 6 is connected with coupling sleeve 3 usefulness and fixes, and axle 2 tops are inserted in wherein.The device that combines is put into space and centering between survey 1 and the following gauge head 7.Space length between last gauge head 1 and the following gauge head 7 can be adjusted, and generally is to realize through adjusting gauge head 1.Frame in the support between gauge head 1 and the following gauge head 7 can have multiple version, also can use the current experiments device, like devices such as spring tension and compression testing machine, materials in tension and compression testing machines.
The principle of work of the utility model is: last gauge head 1 is applied power make it to move downward; Elastic seal ring 4 (O shape circle or v shaped ring etc.) just moves downward along axle 2 surfaces; Elastic seal ring 4 (O shape circle or v shaped ring etc.) is delivered on the axle 2 with the friction force of axle 2, is measured by the pressure transducer that links to each other with following gauge head 7.Change axle 2, elastic seal ring 4 (O shape circle or v shaped ring etc.) and the deck 6 of different size and just can measure corresponding friction force.Can adjust and control the movement velocity of gauge head 1, measure the friction force under the friction speed.
The beneficial effect of the utility model is: can simulate actual condition, measure the size of elastic seal ring (O shape rubber or v shaped ring etc.) friction force intuitively.The elastic seal ring of different size (O shape circle or v shaped ring etc.), groove dimensions, deck cooperate with axle; Can record the size of elastic seal ring friction force when different decrement; Can be through changing deck and groove dimensions, can be used for the friction force of various forms of O-ring seals.
Description of drawings
Fig. 1 is the diagrammatic cross-section of the utility model;
Each label is among the figure: 1: go up gauge head, 2: axle, 3: coupling sleeve, 4: elastic seal ring, 5: groove, 6: deck, 7: following gauge head.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further, but the content of the utility model is not limited to said scope.
Embodiment 1: as shown in the figure, a kind of elastic seal ring friction testing device comprises axle 2, coupling sleeve 3, elastic seal ring 4, groove 5 and deck 6.Deck 6 is equipped with in axle 2 both sides, and the deck 6 tops outsides is connected with coupling sleeve 3, and elastic seal ring 4 is installed in the groove 5 that deck 6 is provided with.Following gauge head 7 connects pressure transducer.It is middle with deck 6 that axle 2 is positioned at coupling sleeve 3.Axle 2 is a solid shaft, and its overall diameter is 10mmmm.Groove 5 can be positioned at deck 6 optional positions.Coupling sleeve 3 is a demountable structure with deck 6 junctions, adopts bolt to connect.
Embodiment 2: as shown in the figure, a kind of elastic seal ring friction testing device comprises axle 2, coupling sleeve 3, elastic seal ring 4, groove 5 and deck 6.Deck 6 is equipped with in axle 2 both sides, and the deck 6 tops outsides is connected with coupling sleeve 3, and elastic seal ring 4 is installed in the groove 5 that deck 6 is provided with.Following gauge head 7 connects pressure transducer.Axle 2 is a tubular shaft, and its overall diameter is 1000mm.Groove 5 can be positioned at deck 6 optional positions.Coupling sleeve 3 is a demountable structure with deck 6 junctions, adopts bolt to connect.
Embodiment 3: as shown in the figure, a kind of elastic seal ring friction testing device comprises axle 2, coupling sleeve 3, elastic seal ring 4, groove 5 and deck 6.Deck 6 is equipped with in axle 2 both sides, and the deck 6 tops outsides is connected with coupling sleeve 3, and elastic seal ring 4 is installed in the groove 5 that deck 6 is provided with.Following gauge head 7 connects pressure transducer.It is middle with deck 6 that axle 2 is positioned at coupling sleeve 3.Axle 2 is a solid shaft, and its overall diameter is 500mm.Groove 5 can be positioned at deck 6 optional positions.
Embodiment 4: as shown in the figure, a kind of elastic seal ring friction testing device comprises axle 2, coupling sleeve 3, elastic seal ring 4, groove 5 and deck 6.Deck 6 is equipped with in axle 2 both sides, and the deck 6 tops outsides is connected with coupling sleeve 3, and elastic seal ring 4 is installed in the groove 5 that deck 6 is provided with.Following gauge head 7 connects pressure transducer.It is middle with deck 6 that axle 2 is positioned at coupling sleeve 3.Axle 2 is a solid shaft, and its overall diameter is 100mm.
Claims (5)
1. an elastic seal ring friction testing device is characterized in that: comprise axle (2), coupling sleeve (3), elastic seal ring (4), groove (5) and deck (6); Deck (6) is equipped with in axle (2) both sides, and deck (6) the top outside is connected with coupling sleeve (3), and elastic seal ring (4) is installed in the groove (5) that deck (6) is provided with.
2. elastic seal ring friction testing device according to claim 1 is characterized in that: said axle (2) is positioned in the middle of coupling sleeve (3) and the deck (6).
3. elastic seal ring friction testing device according to claim 1 and 2 is characterized in that: said axle (2) is solid shaft or tubular shaft, and its overall diameter is 10mm ~ 1000mm.
4. elastic seal ring friction testing device according to claim 1 is characterized in that: said groove (5) can be positioned at deck (6) optional position.
5. elastic seal ring friction testing device according to claim 1 is characterized in that: said coupling sleeve (3) is a demountable structure with deck (6) junction, adopts bolt to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220152692 CN202583046U (en) | 2012-04-12 | 2012-04-12 | Test device for friction force of elastic sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220152692 CN202583046U (en) | 2012-04-12 | 2012-04-12 | Test device for friction force of elastic sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583046U true CN202583046U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220152692 Expired - Fee Related CN202583046U (en) | 2012-04-12 | 2012-04-12 | Test device for friction force of elastic sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202583046U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104535243A (en) * | 2015-01-08 | 2015-04-22 | 清华大学 | Reciprocating seal experiment table for measuring friction feature of single seal ring |
| CN109540719A (en) * | 2018-12-12 | 2019-03-29 | 中国航空综合技术研究所 | Rubber system O-ring seals reciprocation sealing wear-out life test method |
| CN110687044A (en) * | 2019-09-16 | 2020-01-14 | 中国矿业大学 | Method for measuring friction coefficient between underground support wall and rock-soil stratum |
| CN110836848A (en) * | 2019-11-15 | 2020-02-25 | 眉山中车制动科技股份有限公司 | Method and device for detecting friction force of O-shaped sealing ring |
| CN113358555A (en) * | 2021-05-19 | 2021-09-07 | 南京航空航天大学 | Test device and test method for measuring friction coefficient of sealing ring under different compression ratios |
-
2012
- 2012-04-12 CN CN 201220152692 patent/CN202583046U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103954438B (en) * | 2014-02-28 | 2016-05-18 | 中国石油集团渤海钻探工程有限公司 | The testing arrangement of frictional resistance under sealing ring band pressure condition |
| CN104535243A (en) * | 2015-01-08 | 2015-04-22 | 清华大学 | Reciprocating seal experiment table for measuring friction feature of single seal ring |
| CN109540719A (en) * | 2018-12-12 | 2019-03-29 | 中国航空综合技术研究所 | Rubber system O-ring seals reciprocation sealing wear-out life test method |
| CN109540719B (en) * | 2018-12-12 | 2021-05-07 | 中国航空综合技术研究所 | Correction test method for wear life model parameters of O-shaped sealing ring made of rubber |
| CN110687044A (en) * | 2019-09-16 | 2020-01-14 | 中国矿业大学 | Method for measuring friction coefficient between underground support wall and rock-soil stratum |
| CN110836848A (en) * | 2019-11-15 | 2020-02-25 | 眉山中车制动科技股份有限公司 | Method and device for detecting friction force of O-shaped sealing ring |
| CN113358555A (en) * | 2021-05-19 | 2021-09-07 | 南京航空航天大学 | Test device and test method for measuring friction coefficient of sealing ring under different compression ratios |
| CN113358555B (en) * | 2021-05-19 | 2023-02-10 | 南京航空航天大学 | Test device and test method for measuring friction coefficient of sealing ring under different compression ratios |
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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: 20121205 Termination date: 20150412 |
|
| EXPY | Termination of patent right or utility model |