CN102539264A - Assessing test machine for tribological properties of high polymer compound material - Google Patents
Assessing test machine for tribological properties of high polymer compound material Download PDFInfo
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- CN102539264A CN102539264A CN2012100221876A CN201210022187A CN102539264A CN 102539264 A CN102539264 A CN 102539264A CN 2012100221876 A CN2012100221876 A CN 2012100221876A CN 201210022187 A CN201210022187 A CN 201210022187A CN 102539264 A CN102539264 A CN 102539264A
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Abstract
The invention relates to an assessing test machine for tribological properties of a high polymer compound material. The assessing test machine comprises an airtight box and is characterized in that a transmission shaft is arranged on a box wall, wherein a shaft end of the transmission shaft extending out of the box is connected with a safety shaft, a torque meter and a servo motor in turn through a coupler; a rotating angle disc is mounted on the safety shaft; one end of the transmission shaft inserted into the box is connected with a sample shaft through a universal crossing coupler; an upper sample clamp and a lower sample clamp are arranged around the sample shaft; a force transfer rod is connected with the upper sample clamp; one end of the force transfer rod extends out of the box and is connected with a heat-insulating shaft, a pressure sensor and a hydraulic cylinder; and a displacement measuring rod, which is in contact with a displacement sensor, is mounted on an extending part of the force transfer rod. The assessing test machine has the advantages that: the real working condition of the high polymer compound material is simulated and an assessing test for the tribological properties of the high polymer compound material is performed for detecting the abrasion loss and the change in frictional factor following the time of the high polymer compound material in real time.
Description
Technical field
The present invention relates to mechanical field, particularly a kind of high polymer composite material tribological property evaluation experimental machine, it can be at different loads, different swing speed, varying environment temperature detection high polymer composite material tribological property.
Background technology
Be applied to the functional high polymer composite material of self-lubricating knuckle bearing, self lubrication bearing and self-lubricating guide-way; Rely on its surperficial polymkeric substance (like teflon) to form transfer membrane and realize antifriction, rely on its matrix (like phenolics, polyimide resin) and the synergy that is entrained in the superpolymer reinforcing material (like aramid fiber, spun glass, carbon fibre) in the matrix to realize wear-resisting with antithesis secondary (metal).
Disclosed like " slow-speed heavy-load fibrage composite self-lubricating bearing strip performance test machine " (Chinese patent ZL200810079552.0) to the experimental machine of high polymer composite material is a kind of fibrage composite self-lubricating bearing strip performance test machine that is applied to the low-speed heave-load operating mode; " high-speed light-load fibrage composite self-lubricating bearing strip performance test machine " (Chinese patent ZL200810079554.X) is disclosed to be a kind of fibrage composite self-lubricating bearing strip performance test machine that is applied to the high speed light loading operating mode; Connect firmly at two ends freely-supported in the rotating shaft middle part of casing as the secondary outer spheroid of antithesis in the above-mentioned patent; When changing the antithesis pair, need bearing, rotating shaft are split out from casing one end; Experimental period is wasteful; Simultaneously; Need in the specimen preparation process fibrage compound is bonded on the anchor clamps Internal Spherical Surface, complex process, bonding quality is difficult to guarantee.Experimental machine to parts such as self-lubricating knuckle bearings; In document " development of bearing wear testing machine "; A kind of oscillating bearing experimental machine has been proposed, as disclosed among " fatigue-tesing machine for ball socket bearing of helicopter main rotor " (Chinese patent ZL200810079553.5) be a kind of fatigue tester that is applied to the helicopter main rotor system.
At present; Being that the parts of friction pair are many with functional high polymer composite material uses at special operation condition; Like high speed light loading, low-speed heave-load, reciprocally swinging, high temperature, low temperature etc.; Be difficult to realize or approach the applying working condition of parts at conventional commercial test machine, evaluation of functional high polymer composite material tribological property and experimental provision research and development thereof receive increasing concern.
Summary of the invention
The objective of the invention is exploitation and evaluation in order to satisfy practical applications and high polymer composite material; Improve the high polymer composite material friction and wear behavior; A kind of experimental machine that is used to test the high polymer composite material tribological property is provided; Through changing working conditions such as load, swing speed, environment temperature, detect the tribological property of high polymer composite material.
The technical solution adopted for the present invention to solve the technical problems is following:
The present invention includes an airtight casing; On box body wall, supporting a transmission shaft through bearing pack, the shaft end that stretches out the outer end of casing of transmission shaft links to each other with safety axle output terminal through a shaft coupling; Safety axle input end links to each other with the torque gauge output shaft through a shaft coupling; The input shaft of torque gauge links to each other with the servomotor output shaft through a shaft coupling, and the angle of revolution disk is installed on the safety axle, has two arc grooves on the card of angle of revolution disk symmetrically; In two arc grooves, be respectively equipped with first buting iron and second buting iron, the both sides of scale are equipped with first travel switch and second travel switch in the angle of revolution; The shaft end that stretches into an end in the casing of transmission shaft links to each other with the sample axle through a universal cross coupler, is provided with specimen holder and following specimen holder around the sample axle; Last specimen holder connects a transmission rod; Transmission rod one end stretches out outside the casing, and has bearing pack to support between transmission rod and box body wall, and transmission rod stretches out the end of casing heat insulation axle is installed; Heat insulation axle and a pressure transducer dynamometry end in contact; Pressure transducer connects firmly on a hydraulic cylinder piston, and the transmission rod extension is equipped with the displacement measurement bar, and the displacement measurement bar contacts with displacement transducer.
The axis of said transmission shaft and transmission rod is positioned at same plane, and orthogonal;
The seal sealing is arranged between said transmission shaft and the closed box body wall, the seal sealing is arranged between transmission rod and the closed box body wall;
In said casing, be provided with high temperature heater (HTH), cryogenic refrigerator and environmental cabinet temperature sensor.
The invention has the beneficial effects as follows: the present invention can simulate the real working condition condition of high polymer composite material, comprises load, swing speed, temperature etc.; Can carry out high polymer composite material tribological property evaluation experimental, the wear extent, friction factor that can detect high polymer composite material in real time are over time.It is simple to have specimen preparation simultaneously, is easy to standardization, easy accessibility, conventional efficient advantages of higher.
Description of drawings
Fig. 1 is the structural representation of high polymer composite material tribological property evaluation experimental machine;
Fig. 2 is that A-A of Fig. 1 is to view;
Fig. 3 is an assay maps.
In the drawings: 1. servomotor, 2. first shaft coupling, 3. torque gauge, 4. second shaft coupling, 5. angle of revolution disk, 6. first travel switch; 7. the 3rd shaft coupling, 8. airtight casing, 9. transmission shaft, 10. first seal, 11. first box body holes, 12. clutch shaft bearing groups; 13. universal coupling with spider, 14. safety axles, 15. transmission rods, specimen holder on 16., sample on 17.; 18. the sample axle, 19. times specimen holders, 20. supporting seats, 21. times samples, 22. times specimen temperature sensors; 23. last specimen temperature sensor, 24. second seals, 25. second bearing pack, 26. second box body holes, 27. heat insulation axles; 28. displacement transducer, 29. pressure transducers, 30. loading hydraulic cylinders, 31. high temperature heater (HTH)s, 32. cryogenic refrigerators; 33. the environmental cabinet temperature sensor, 34. first buting iron, 35. displacement measurement bars, 36. second buting iron, 37. second travel switches.
Embodiment
Fig. 1, Fig. 2 and Fig. 3 are embodiment disclosed by the invention, on airtight casing 8, have two holes: first box body hole 11 and second box body hole 26.First box body hole 11 and second box body hole, 26 axis are positioned at a plane, and orthogonal.First box body hole 11 is supporting transmission shaft 9 through clutch shaft bearing group 12; Transmission shaft 9 one ends reach airtight casing 8 outsides; End at the external part of transmission shaft 9 links to each other with safety axle 14 output terminals through the 3rd shaft coupling 7; Safety axle 14 input ends link to each other with the output shaft of torque gauge 3 through second shaft coupling 4, and the input shaft of torque gauge 3 links to each other with servomotor 1 output shaft through first shaft coupling 2.Angle of revolution disk 5 is installed and is connected firmly at safety axle 14 output terminals; On the card of angle of revolution disk, have two arc grooves symmetrically; First buting iron 34 and second buting iron 36 are separately fixed in two deep-slotted chip breakers of angle of revolution disk 5, and first travel switch 6 and second travel switch 37 are installed in the both sides of disk 5 in the angle of revolution.Seal with first seal 10 between first box body hole 11 of transmission shaft 9 and airtight casing 8.Transmission shaft 9 one ends stretch in the airtight casing 8; Shaft end at the inserting end of transmission shaft 9 connects firmly universal coupling with spider 13 input ends; For removably connecting, after removably connecting here is meant that two connected pieces connect together, interfix between the two between universal coupling with spider 13 output terminals and the sample axle 18; Can not produce any relative motion, when needs, can two connected pieces be separated.What match with sample axle 18 is to go up sample 17 and following sample 21; Last sample 17 is identical with following sample 21 materials, size and manufacturing process; Both top and bottom all are the interior circular arc concentric with sample axle 18; Internal material is the fibrage compound substance, and exterior material is stainless steel (also can select other metal material), and the fibrage compound substance is with the resin bonding inwall of material externally.Middle part, the side machining hole of last sample 17 and following sample 21 is installed specimen temperature sensor 23 and following specimen temperature sensor 22 respectively.Last sample 17 is fixed on respectively in the arc groove of specimen holder 16 and following specimen holder 19 with following sample 21.Following specimen holder 19 is fixed on the supporting seat 20, and supporting seat 20 is fixed on the casing diapire.For removably connecting, transmission rod 15 stretches out airtight casing 8 tops by second bearing pack, 25 radial supports through second box body hole 26 between last specimen holder 16 and the transmission rod 15, and transmission rod 15 seals with second box body hole, 26 usefulness, second seal 24 of airtight casing 8.The lower shaft end of transmission rod 15 external parts and heat insulation axle 27 connects firmly, the last axle head and the pressure transducer 29 dynamometry end in contact of heat insulation axle 27, and pressure transducer 29 connects firmly with loading hydraulic cylinder 30 pistons.Connect firmly displacement measurement bar 35 on transmission rod 15 external part right sides, displacement transducer 28 measuring heads contact with displacement measurement bar 35.In airtight casing 8, high temperature heater (HTH) 31 and cryogenic refrigerator 32 and environmental cabinet temperature sensor 33 are installed.
During loading; Feed hydraulic oil for loading hydraulic cylinder 30; Loading hydraulic cylinder 30 pistons through pressure transducer 29, heat insulation axle 27, transmission rod 15, go up specimen holder 16, go up sample 17, sample axle 18, sample 21, specimen holder 19, supporting seat 20 down down; Loading transfer is given closed box 8 diapires the most at last, thereby has realized last sample 17 and sample axle 18, and the loading between sample axle 18 and the following sample 21.
Servomotor 1 starts; Through first shaft coupling 2, torque gauge 3, second shaft coupling 4; The angle of revolution disk 5 that drives safety axle 14 and be fixed on safety axle 14 rotates counterclockwise, and when first buting iron 34 on turning to angle of revolution disk 5 contacts with first travel switch 6, makes servomotor 1 reversed turning through control system; Promptly clockwise rotate; When servomotor 1 through first shaft coupling 2, torque gauge 3, second shaft coupling 4, the angle of revolution disk 5 that drives safety axle 14 and be fixed on safety axle 14 clockwise rotates, when second buting iron 36 on turning to angle of revolution scale 5 contacts with travel switch 37; Through control system servomotor 1 is rotated counterclockwise, said here all is to see from servomotor 1 one side direction angle of revolution disk 5 directions clockwise and counterclockwise.Can realize adjusting sample axle 18 hunting frequencies through control system adjustment servomotor rotating speed; Can realize sample axle 18 hunting frequencies and pendulum angle adjustment through first buting iron 34 of adjustment angle of revolution disk 5 and the position of second buting iron 36, realize the mode of motion simulation that the polymer composites tribological property is estimated.
When last sample 17 produces wearing and tearing with sample axle 18; Last sample 17, go up specimen holder 16, transmission rod 15 can produce downward displacement; Pass to displacement transducer 28 through displacement measurement bar 35; When producing wearing and tearing between sample axle 18 and the following sample 21; Sample axle 18, go up sample 17, go up specimen holder 16, transmission rod 15 can produce downward displacement, passes to displacement transducer 28 through displacement measurement bar 35, promptly the displacement transducer 28 wear extent data that detect are last sample 17 and sample axle 18, sample axle 18 and following sample 21 generation wear extent sums.When generation wearing and tearing between sample axle 18 and the following sample 21 cause sample axle 18 to produce downward displacement; Owing to be connected with universal coupling with spider 13 between sample axle 18 and the revolving shaft 9, sample axle 18 is the maintenance level under last sample 17 and following sample 21 clampings retrain.
Before the experiment, set the friction torque ultimate value through control system, when last sample 17 or sample 21 generation heavy wears down, when friction torque surpassed the friction torque ultimate value of setting, experimental machine was out of service.When taking place moment of torsion moment increase above torque gauge detection range between last sample 17 and the sample axle 18 or between sample axle 18 and the following sample 21 suddenly, the safety axle will be cut off, and can play the torque gauge effect of protecting like this.
When needs simulated environment temperature, during high temperature, through control system target setting temperature, operation high temperature heater (HTH) 31, when environmental cabinet temperature sensor 33 testing environment temperature arrived target temperature, high temperature heater (HTH) 31 was out of service.During low temperature, through control device target setting temperature, operation cryogenic refrigerator 32, when environmental cabinet temperature sensor 33 testing environment temperature arrived target temperature, cryogenic refrigerator 32 was out of service.
Claims (4)
1. high polymer composite material tribological property evaluation experimental machine; Comprise an airtight casing; It is characterized in that: on box body wall, supporting a transmission shaft through bearing pack, the shaft end that stretches out the outer end of casing of transmission shaft links to each other with safety axle output terminal through a shaft coupling; Safety axle input end links to each other with the torque gauge output shaft through a shaft coupling; The input shaft of torque gauge links to each other with the servomotor output shaft through a shaft coupling, and the angle of revolution disk is installed on the safety axle, has two arc grooves on the card of angle of revolution disk symmetrically; In two arc grooves, be respectively equipped with first buting iron and second buting iron, the both sides of scale are equipped with first travel switch and second travel switch in the angle of revolution; The shaft end that stretches into an end in the casing of transmission shaft links to each other with the sample axle through a universal cross coupler, is provided with specimen holder and following specimen holder around the sample axle; Last specimen holder connects a transmission rod; Transmission rod one end stretches out outside the casing, and has bearing pack to support between transmission rod and box body wall, and transmission rod stretches out the end of casing heat insulation axle is installed; Heat insulation axle and a pressure transducer dynamometry end in contact; Pressure transducer connects firmly on a hydraulic cylinder piston, and the transmission rod extension is equipped with the displacement measurement bar, and the displacement measurement bar contacts with displacement transducer.
2. high polymer composite material tribological property evaluation experimental machine according to claim 1, it is characterized in that: the axis of said transmission shaft and transmission rod is positioned at same plane, and orthogonal.
3. high polymer composite material tribological property evaluation experimental machine according to claim 1 is characterized in that: the seal sealing is arranged between said transmission shaft and the closed box body wall, the seal sealing is arranged between transmission rod and the closed box body wall.
4. high polymer composite material tribological property evaluation experimental machine according to claim 1 is characterized in that: in said casing, be provided with high temperature heater (HTH), cryogenic refrigerator and environmental cabinet temperature sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210022187 CN102539264B (en) | 2012-02-01 | 2012-02-01 | Assessing test machine for tribological properties of high polymer compound material |
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| CN 201210022187 CN102539264B (en) | 2012-02-01 | 2012-02-01 | Assessing test machine for tribological properties of high polymer compound material |
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| CN102539264A true CN102539264A (en) | 2012-07-04 |
| CN102539264B CN102539264B (en) | 2013-09-04 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076178A (en) * | 2013-01-18 | 2013-05-01 | 燕山大学 | Experimental machine for evaluating impact-loading type tribological performance of joint bearing |
| CN103267697A (en) * | 2013-05-10 | 2013-08-28 | 哈尔滨飞机工业集团有限责任公司 | Apparatus used for bearing wearing test |
| CN103837468A (en) * | 2014-02-27 | 2014-06-04 | 东北大学 | Test method for detecting friction efficiency of end part and performances of antifriction material |
| RU2526223C2 (en) * | 2012-12-17 | 2014-08-20 | Федеральное государственное бюджетное учреждение науки Институт проблем нефти и газа Сибирского отделения Российской академии наук | Method to assess wear resistance of polymer composite materials |
| CN104568632A (en) * | 2015-01-22 | 2015-04-29 | 清华大学 | Device for testing abrasion of fibre to hard material |
| CN105891028A (en) * | 2016-06-01 | 2016-08-24 | 上海电缆研究所 | Metal wire vibration fatigue testing machine and metal wire vibration fatigue testing method |
| CN106568708A (en) * | 2016-11-04 | 2017-04-19 | 中国石油天然气股份有限公司 | Coating type curable proppant friction test device |
| CN107167394A (en) * | 2017-05-27 | 2017-09-15 | 上海海事大学 | A kind of polar region ship plate ultralow temperature frictional experiment system |
| CN107389346A (en) * | 2017-07-27 | 2017-11-24 | 燕山大学 | Surface Texture self-lubricating material friction pre-filled device and its pre-filled technique of friction |
| DE102016115191A1 (en) * | 2016-08-16 | 2018-02-22 | Werner Stehr | Friction testing apparatus |
| CN109001065A (en) * | 2018-05-18 | 2018-12-14 | 杭州电子科技大学 | The secondary vibration noise of texture friction and testing device for frictional and abrasive performance and test method |
| CN110095286A (en) * | 2019-04-18 | 2019-08-06 | 杭州电子科技大学 | A kind of test device and method that the friction of robot cup-and-ball joint is secondary |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
| WO2021227376A1 (en) * | 2020-05-14 | 2021-11-18 | 北京工业大学 | Measuring device for measuring friction coefficient under condition of periodic deformation of material |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2526223C2 (en) * | 2012-12-17 | 2014-08-20 | Федеральное государственное бюджетное учреждение науки Институт проблем нефти и газа Сибирского отделения Российской академии наук | Method to assess wear resistance of polymer composite materials |
| CN103076178A (en) * | 2013-01-18 | 2013-05-01 | 燕山大学 | Experimental machine for evaluating impact-loading type tribological performance of joint bearing |
| CN103267697A (en) * | 2013-05-10 | 2013-08-28 | 哈尔滨飞机工业集团有限责任公司 | Apparatus used for bearing wearing test |
| CN103837468A (en) * | 2014-02-27 | 2014-06-04 | 东北大学 | Test method for detecting friction efficiency of end part and performances of antifriction material |
| CN103837468B (en) * | 2014-02-27 | 2016-04-20 | 东北大学 | A kind of test method detecting end friction effect and antifriction material performance |
| CN104568632B (en) * | 2015-01-22 | 2017-04-19 | 清华大学 | Device for testing abrasion of fibre to hard material |
| CN104568632A (en) * | 2015-01-22 | 2015-04-29 | 清华大学 | Device for testing abrasion of fibre to hard material |
| CN105891028A (en) * | 2016-06-01 | 2016-08-24 | 上海电缆研究所 | Metal wire vibration fatigue testing machine and metal wire vibration fatigue testing method |
| CN105891028B (en) * | 2016-06-01 | 2018-09-25 | 上海电缆研究所有限公司 | Metal wire rod vibration fatigue machine and metal wire rod vibration fatigue test method |
| DE102016115191A1 (en) * | 2016-08-16 | 2018-02-22 | Werner Stehr | Friction testing apparatus |
| DE102016115191B4 (en) * | 2016-08-16 | 2018-05-03 | Werner Stehr | Friction testing apparatus |
| CN106568708A (en) * | 2016-11-04 | 2017-04-19 | 中国石油天然气股份有限公司 | Coating type curable proppant friction test device |
| CN107167394A (en) * | 2017-05-27 | 2017-09-15 | 上海海事大学 | A kind of polar region ship plate ultralow temperature frictional experiment system |
| CN107389346A (en) * | 2017-07-27 | 2017-11-24 | 燕山大学 | Surface Texture self-lubricating material friction pre-filled device and its pre-filled technique of friction |
| CN107389346B (en) * | 2017-07-27 | 2019-04-09 | 燕山大学 | Rub pre-filled method for Surface Texture self-lubricating material |
| CN109001065A (en) * | 2018-05-18 | 2018-12-14 | 杭州电子科技大学 | The secondary vibration noise of texture friction and testing device for frictional and abrasive performance and test method |
| CN109001065B (en) * | 2018-05-18 | 2020-10-09 | 杭州电子科技大学 | Testing device and testing method for vibration noise and frictional wear performance of texture friction pair |
| CN110095286A (en) * | 2019-04-18 | 2019-08-06 | 杭州电子科技大学 | A kind of test device and method that the friction of robot cup-and-ball joint is secondary |
| WO2021227376A1 (en) * | 2020-05-14 | 2021-11-18 | 北京工业大学 | Measuring device for measuring friction coefficient under condition of periodic deformation of material |
| US11428625B2 (en) | 2020-05-14 | 2022-08-30 | Beijing University Of Technology | Device for measuring friction coefficient under the condition of material periodic deformation |
| CN112345395A (en) * | 2020-10-23 | 2021-02-09 | 燕山大学 | Low-frequency heavy-load impact sliding friction wear test device |
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