CN205080045U - O shape circle friction test device - Google Patents
O shape circle friction test device Download PDFInfo
- Publication number
- CN205080045U CN205080045U CN201520753718.8U CN201520753718U CN205080045U CN 205080045 U CN205080045 U CN 205080045U CN 201520753718 U CN201520753718 U CN 201520753718U CN 205080045 U CN205080045 U CN 205080045U
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- China
- Prior art keywords
- shape circle
- seal
- friction lever
- pressure sensor
- base plate
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- 238000012360 testing method Methods 0.000 title abstract description 3
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims abstract description 8
- 238000002474 experimental method Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model provides a O shape circle friction test device is equipped with O shape circle sealing device and reciprocating motion device on the bottom plate, the cylinder passes through air conduit and links to each other with the air source, and the piston rod is through drawing pressure sensor to link to each other with friction lever's stiff end, and friction lever's free end setting the cylinder, draws pressure sensor and friction lever to set up and be located same horizontal plane along the straight line in O shape circle sealing device, displacement sensor with draw pressure sensor all to link to each other with central controller. The airtight inner chamber of seal is equipped with the import, and the import links to each other with the medium source through the medium pipeline, is equipped with supercharging equipment, flow regulating installation and ressure measurement equipment on the medium pipeline, coaxial through -hole is seted up to the horizontal relative both sides of seal, and friction lever's free end runs through the seal through the through -hole, and the through -hole is equipped with the circumference mounting groove, is equipped with the periphery that is used for sealed friction lever and the O shape circle in the clearance between the through -hole inner wall in the mounting groove, friction lever's free end slidable ground wear to establish O appear enclose in.
Description
Technical field
The utility model relates to a kind of O shape circle frictional experiment device.
Background technology
O shape circle is applicable to be contained in various plant equipment, in the temperature, pressure and different liquids and gases media of regulation, seals under static or motion state.
O shape circle is compared with the O-ring seal of other shapes, there is the advantage being applicable to multiple seal form (static sealing, dynamic seal (packing)), multi-motion mode (rotary motion, axially reciprocating or aggregate motion) and multiple sealing medium, and simplicity of design, compact structure, mounting or dismounting are convenient, with low cost.
In mechanical seal operation process, the auxiliary seal O shape of rotating ring and shaft room is enclosed and is produced friction force due to axial vibration, friction force acts on sealing ring and makes the closing force of seal face produce fluctuation, finally affect the stable stability of mechanical seal, the stability of rubbing characteristics to mechanical seal understanding O shape circle is significant.
Summary of the invention
In order to solve the problem, the utility model provides a kind of experimental provision testing the rubbing characteristics of O shape circle.
The technical solution of the utility model is:
A kind of O shape circle frictional experiment device, comprises horizontally disposed base plate, it is characterized in that: described base plate is provided with and can moves along described base plate and the seal with O ring device of locating and reciprocator:
Described reciprocator comprises horizontally disposed cylinder, described cylinder is fixed on and can moves along base plate and on the fixture of locating, described cylinder is connected with air-source by air duct, the piston rod of described cylinder is connected with the stiff end of friction lever by pull pressure sensor, the free end of described friction lever is slidably disposed in described seal with O ring device, and described cylinder, pull pressure sensor and friction lever linearly arrange and be positioned in same level;
Described cylinder is provided with the displacement transducer of the displacement for detecting described piston rod, and institute's displacement sensors is all connected with central controller with described pull pressure sensor;
Described seal with O ring device comprises seal, the bottom of described seal is fixed on can move along base plate and in the back up pad of locating, described seal has air-tight inner chamber, described air-tight inner chamber is provided with import, described import is connected with medium source by medium pipeline, and described medium pipeline is provided with pressure generating equipment, flow regulating equipment and pressure measuring device; The laterally relative both sides of described seal offer coaxial through hole, the free end of described friction lever runs through described seal by described through hole, described through hole is provided with circumferential mounting groove, be provided with the O shape circle in the gap between periphery for sealing described friction lever and described through-hole wall in described mounting groove, the free end of described friction lever is located in described O shape circle slidably.
Further, described medium is gas, and described pressure generating equipment is air compressor, described flow regulating equipment is the second gas pressure regulating valve, described pressure measuring device is the second gas gauge.
Further, described medium is liquid, and described pressure generating equipment is supercharge pump, described flow regulating equipment is liquid pressure regulator valve, described pressure measuring device is hydraulic pressure gage.
Further, described piston rod is connected with described pull pressure sensor level by the first web member.
Further, described pull pressure sensor is connected with described friction lever by the second web member.
Further, described first web member and described pull pressure sensor are fixed on and can move along base plate and on the supporting seat of locating.
Further, described base plate is provided with multiple jack being arranged in matrix, bolt in described fixture, described supporting seat and described back up pad matches with described jack, and described fixture, described supporting seat and described back up pad is tightened on described base plate by nut.
Further, institute's displacement sensors is horizontally set on the side of described piston rod, and one end of institute's displacement sensors is fixed on pneumatic cylinder, and the other end is fixed on described first web member.
The beneficial effects of the utility model are: utilize the utility model can detect the rubbing characteristicss such as the friction force-displacement of O type circle in motion process, and O shape circle friction force and sealing load, sealing medium kind, O shape enclose the relation of compressibility.Thus provide data for research O shape encloses rubbing characteristics to the envelope stability that machinery is close, significant to the serviceable life of prolonged mechanical sealing.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of embodiment 1.
Fig. 2 is the front elevation that seal with O ring device and reciprocator match.
Fig. 3 is the vertical view that seal with O ring device and reciprocator match.
Fig. 4 be in Fig. 3 A-A to cut-open view.
Fig. 5 is the one-piece construction schematic diagram of embodiment 2.
Embodiment
The utility model is further illustrated below in conjunction with accompanying drawing.
Embodiment 1
The present embodiment is with reference to Fig. 1-Fig. 4:
A kind of O shape circle frictional experiment device, comprise horizontally disposed base plate 11, described base plate 11 is provided with and can moves and the seal with O ring device of locating and reciprocator along described base plate 11:
Described reciprocator comprises horizontally disposed cylinder 1, described cylinder 1 is fixed on and can moves along base plate and on the fixture 19 of locating, described cylinder 1 is connected with air-source by air duct 20, described air duct 20 is provided with air compressor 18, first gas gauge 21 and the first gas pressure regulating valve 22, the piston rod of described cylinder 1 is connected with the stiff end of friction lever 7 by pull pressure sensor 4, the free end of described friction lever 7 is slidably disposed in described seal with O ring device, described cylinder 1, pull pressure sensor 4 and friction lever 7 linearly arrange and are positioned in same level,
Described cylinder 1 is provided with the displacement transducer 2 of the displacement for detecting described piston rod, and institute's displacement sensors 2 is all connected with central controller 14 with described pull pressure sensor 4;
Described seal with O ring device comprises seal 8, the bottom of described seal 8 is fixed on can move along base plate and in the back up pad 10 of locating, described seal 8 has air-tight inner chamber, described air-tight inner chamber is provided with import 23, described import 23 is connected with medium source by medium pipeline 24, and described medium pipeline 24 is provided with pressure generating equipment, flow regulating equipment and pressure measuring device; The laterally relative both sides of described seal 8 offer coaxial through hole, the free end of described friction lever 7 runs through described seal 8 by described through hole, described through hole is provided with circumferential mounting groove 13, be provided with the O shape circle 12 in the gap between periphery for sealing described friction lever 7 and described through-hole wall in described mounting groove 13, the free end of described friction lever 7 is located in described O shape circle 12 slidably.
Described medium is gas, and described pressure generating equipment is air compressor 18, described flow regulating equipment is the second gas pressure regulating valve 16, described pressure measuring device is the second gas gauge 15.
Described piston rod is connected with described pull pressure sensor 4 level by the first web member 3, and described first web member 3 is square connecting member, and the two ends of described first web member are all connected with piston rod, pull pressure sensor 4 respectively by nuts and bolt.
Described pull pressure sensor 4 is connected with described friction lever 7 by the second web member 6.
Described first web member 3 and described pull pressure sensor 4 are fixed on and can move along base plate and on the supporting seat 5 of locating; Described supporting seat 5 is I-shaped supporting seat.
Described base plate 11 is provided with multiple jack being arranged in matrix, bolt in described fixture 19, described supporting seat 5 and described back up pad 10 matches with described jack, and described fixture 19, described supporting seat 5 and described back up pad 10 are tightened on described base plate 11 by nut by described bolt.
Institute's displacement sensors 2 is horizontally set on the side of described piston rod, and one end of institute's displacement sensors 2 is fixed on pneumatic cylinder 1, and the other end is fixed on the web joint of described first web member 3.
Air compressor 18 works, produce pressure gas, a part pressurized air by air duct 20 for cylinder 1 provides power, another part is entered in seal 8 by medium pipeline 24, and the pressure medium by regulating the second gas pressure regulating valve 16 and observation the second gas gauge 15 to control in seal 8.
Start cylinder 1, the piston rod of cylinder 1 drives friction lever 7 to-and-fro movement, friction lever 7 applies friction force to O shape circle, the acting force of cylinder 1 pair of friction lever 7 equals the acting force of friction lever 7 pairs of O shape circles, and the size of this acting force is measured by pull pressure sensor 4, the horizontal shift of piston rod simultaneously equals the horizontal shift of friction lever 7, and is measured the size of this displacement by displacement transducer 2.
Surveyed data are transferred to central controller 14 by pull pressure sensor 4 and displacement transducer 2, and described central controller receives and processes the data obtained, thus obtain the friction force of O shape circle and the relation of displacement.
By regulating the second gas pressure regulating valve 16, change the pressure medium in seal 8, thus obtain the relation between the rubbing characteristics of O shape circle and sealing load.
By changing the mounting groove 13 with different groove depth, change the compressibility of O shape circle, thus obtain the relation between O shape circle rubbing characteristics and compressibility.
By inputting different gas mediums, thus obtain the relation between O shape circle rubbing characteristics and sealing medium kind.
Embodiment 2
The present embodiment, also will with reference to accompanying drawing 5 except with reference to except the accompanying drawing of embodiment 1:
The difference of the present embodiment and embodiment 1 is that the medium in described seal is liquid state.
Described medium is liquid, and described pressure generating equipment is supercharge pump 17, described flow regulating equipment is liquid pressure regulator valve 16 ', described pressure measuring device is fluid pressure 15 '.
By inputting different liquid mediums, thus obtain the relation between O shape circle rubbing characteristics and sealing medium kind.
Other embodiments of the present embodiment are all identical with embodiment 1.
Content described in this instructions embodiment is only enumerating the way of realization that utility model is conceived; protection domain of the present utility model should not be regarded as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also comprises those skilled in the art and conceives the equivalent technologies means that can expect according to the utility model.
Claims (8)
1. an O shape circle frictional experiment device, comprises horizontally disposed base plate, it is characterized in that: described base plate is provided with and can moves along described base plate and the seal with O ring device of locating and reciprocator:
Described reciprocator comprises horizontally disposed cylinder, described cylinder is fixed on and can moves along base plate and on the fixture of locating, described cylinder is connected with air-source by air duct, the piston rod of described cylinder is connected with the stiff end of friction lever by pull pressure sensor, the free end of described friction lever is slidably disposed in described seal with O ring device, and described cylinder, pull pressure sensor and friction lever linearly arrange and be positioned in same level;
Described cylinder is provided with the displacement transducer of the displacement for detecting described piston rod, and institute's displacement sensors is all connected with central controller with described pull pressure sensor;
Described seal with O ring device comprises seal, the bottom of described seal is fixed on can move along base plate and in the back up pad of locating, described seal has air-tight inner chamber, described air-tight inner chamber is provided with import, described import is connected with medium source by medium pipeline, and described medium pipeline is provided with pressure generating equipment, flow regulating equipment and pressure measuring device; The laterally relative both sides of described seal offer coaxial through hole, the free end of described friction lever runs through described seal by described through hole, described through hole is provided with circumferential mounting groove, be provided with the O shape circle in the gap between periphery for sealing described friction lever and described through-hole wall in described mounting groove, the free end of described friction lever is located in described O shape circle slidably.
2. a kind of O shape circle frictional experiment device as claimed in claim 1, it is characterized in that: described medium is gas, described pressure generating equipment is air compressor, described flow regulating equipment is the second gas pressure regulating valve, described pressure measuring device is the second gas gauge.
3. a kind of O shape circle frictional experiment device as claimed in claim 1, it is characterized in that: described medium is liquid, described pressure generating equipment is supercharge pump, described flow regulating equipment is liquid pressure regulator valve, described pressure measuring device is hydraulic pressure gage.
4. a kind of O shape circle frictional experiment device as claimed in claim 2 or claim 3, is characterized in that: described piston rod is connected with described pull pressure sensor level by the first web member.
5. a kind of O shape circle frictional experiment device as claimed in claim 4, is characterized in that: described pull pressure sensor is connected with described friction lever by the second web member.
6. a kind of O shape circle frictional experiment device as claimed in claim 5, is characterized in that: described first web member and described pull pressure sensor are fixed on and can move along base plate and on the supporting seat of locating.
7. a kind of O shape circle frictional experiment device as claimed in claim 6, it is characterized in that: described base plate is provided with multiple jack being arranged in matrix, bolt in described fixture, described supporting seat and described back up pad matches with described jack, and described fixture, described supporting seat and described back up pad is tightened on described base plate by nut.
8. a kind of O shape circle frictional experiment device as claimed in claim 7, it is characterized in that: institute's displacement sensors is horizontally set on the side of described piston rod, one end of institute's displacement sensors is fixed on pneumatic cylinder, and the other end is fixed on described first web member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753718.8U CN205080045U (en) | 2015-09-25 | 2015-09-25 | O shape circle friction test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520753718.8U CN205080045U (en) | 2015-09-25 | 2015-09-25 | O shape circle friction test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205080045U true CN205080045U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520753718.8U Expired - Fee Related CN205080045U (en) | 2015-09-25 | 2015-09-25 | O shape circle friction test device |
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| Country | Link |
|---|---|
| CN (1) | CN205080045U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241809A (en) * | 2015-09-25 | 2016-01-13 | 浙江工业大学 | O-shaped ring friction experiment apparatus |
| CN110274755A (en) * | 2019-06-24 | 2019-09-24 | 浙江金浪动力有限公司 | Powder covers abrasion resistance tester |
| CN112629847A (en) * | 2021-01-06 | 2021-04-09 | 四川云游九天科技有限公司 | O-shaped ring sealing resistance experiment platform and sealing resistance test method |
| CN113740054A (en) * | 2021-05-14 | 2021-12-03 | 深圳土佬哥密封件有限公司 | Testing machine |
-
2015
- 2015-09-25 CN CN201520753718.8U patent/CN205080045U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241809A (en) * | 2015-09-25 | 2016-01-13 | 浙江工业大学 | O-shaped ring friction experiment apparatus |
| CN110274755A (en) * | 2019-06-24 | 2019-09-24 | 浙江金浪动力有限公司 | Powder covers abrasion resistance tester |
| CN112629847A (en) * | 2021-01-06 | 2021-04-09 | 四川云游九天科技有限公司 | O-shaped ring sealing resistance experiment platform and sealing resistance test method |
| CN112629847B (en) * | 2021-01-06 | 2023-09-29 | 四川云游九天科技有限公司 | O-shaped ring sealing resistance experiment platform and sealing resistance test method |
| CN113740054A (en) * | 2021-05-14 | 2021-12-03 | 深圳土佬哥密封件有限公司 | Testing machine |
| CN113740054B (en) * | 2021-05-14 | 2024-05-03 | 深圳土佬哥密封件有限公司 | Testing machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160309 Termination date: 20180925 |