CN101363788A - High-speed light-load fibrage composite self-lubricating bearing strip performance test machine - Google Patents
High-speed light-load fibrage composite self-lubricating bearing strip performance test machine Download PDFInfo
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- CN101363788A CN101363788A CNA200810079554XA CN200810079554A CN101363788A CN 101363788 A CN101363788 A CN 101363788A CN A200810079554X A CNA200810079554X A CN A200810079554XA CN 200810079554 A CN200810079554 A CN 200810079554A CN 101363788 A CN101363788 A CN 101363788A
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Abstract
The invention discloses a performance tester for a low-speed light-load self lubrication liner of fibrage compound. The invention is characterized in that a first bearing (26) and a second bearing (8) on the wall of an enclosed box body (5) support a rotating shaft (24), an outer sphere (25) with an inner hole is fixedly connected in the middle of the rotating shaft (24), a first fibrage compound self lubrication liner (9) and a second fibrage compound self lubrication liner (23) are matched with the outer sphere (25), a rocking bar (10) is fixedly connected on the end surface of the extending end of the rotating shaft (24), the end of the rocking bar (10) is connected with a connecting rod (12) through a first hinge (11), the connecting rod (12) is connected with a crank (14) through a second hinge (13), and the crank (14) is fixedly connected with the output shaft of a motor (15). The performance tester can simulate the real operating mode condition of the low-speed light-load self lubrication liner of fibrage compound, including the temperature, the load, the velocity of movement and the acceleration; frictional wear tests, abrasion fatigue tests and performance optimization tests for the low-speed light-load self lubrication liner of fibrage compound can be performed, the change of the abrasion condition and the friction force of the low-speed light -load self lubrication liner of fibrage compound can be monitored in real time, and simultaneously, the performance tester has the advantages of compact structure, artistic appearance and convenient operation and maintenance.
Description
Technical field
The present invention relates to a kind of high-speed light-load fibrage composite self-lubricating bearing strip performance test machine.
Background technology
Self-lubricating knuckle bearing has been broken through the restriction of traditional oscillating bearing service condition, with its self-lubricating, non-maintaining, volume is little, many outstanding advantages such as in light weight, is subjected to domestic and international insider's extensive concern, its application and range of application are increasing.Particularly at national defence and aerospace field, no matter domestic or international attention degree to self-lubricating knuckle bearing is more and more higher, national defence usefulness and aviation have become one of key index of weighing various countries' helicopter and fighter plane flying quality, military service performance and cost performance with the quality of high-quality self-lubricating knuckle bearing combination property.
Over past ten years, China is at self-lubricating knuckle bearing, particularly make a lot of progress aspect the development of high-quality self-lubricating knuckle bearing in national defence and aviation: all there is breakthrough aspects such as the development of the preparation of the manufacturing process of self-lubricating knuckle bearing, assembly technology, inner and outer ring material and thermal treatment, fibrage compound self-lubricating liner, resin bonding technology and the check of self-lubricating knuckle bearing overall performance, still have sizable gap but compare with international most advanced level.
Fibrage compound self-lubricating liner is a critical material of realizing the oscillating bearing self-lubricating, and its quality, performance, quality are determining Key Performance Indicators such as the serviceable life, reliability of self-lubricating knuckle bearing to a great extent.Homemade fibrage compound self-lubricating liner quality, performance and quality can not satisfy China's national defense and aviation fully and be with the main cause of high-quality self-lubricating knuckle bearing requirement: 1, the leader of relevant department is not enough to the understanding of its significance level; 2, necessity input of shortage to developing; 3, laboratory facilities and condition seriously fall behind.
China is aspect the experiment of fibrage compound self-lubricating gasket performance, still rest at present on normal experiment method and the general laboratory facilities, still be in blank at aspects such as the rubbing wear mechanism experiment of fibrage compound self-lubricating liner, fretting fatigue experiment, performance optimization experiments.
In order to satisfy China's national defense industry and aircraft industry demand to high-quality self-lubricating knuckle bearing, carry out the research work of fibrage compound self-lubricating gasket performance experimental technique, and to develop the experiment of rubbing wear mechanism experiment, fretting fatigue, performance optimization experiment porch on this basis be a reality and urgent task.
Summary of the invention
In order to satisfy China's national defense industry and aircraft industry demand to high-quality self-lubricating knuckle bearing, the invention provides a kind of high-speed light-load fibrage composite self-lubricating bearing strip performance test machine, this experimental machine can not only be carried out rubbing wear mechanism experiment, the fretting fatigue experiment of high-speed light-load fibrage composite self-lubricating bearing strip, and can carry out the performance optimization experiment of high-speed light-load fibrage composite self-lubricating bearing strip.
The technical solution adopted for the present invention to solve the technical problems is: it has an airtight casing, on the box body wall of this casing, supporting a rotating shaft by two bearings, seal with seal between rotating shaft and the casing, one end of rotating shaft stretches out outside the casing, on the end face of rotating shaft external part, connect firmly a distant bar, the rocking bar end connecting rod that is connected through the hinge, this connecting rod crank that is connected through the hinge.Connect firmly an outer spheroid that has endoporus at the middle part of rotating shaft, what match with outer spheroid is two fibrage compound self-lubricating liners, these two fibrage compound self-lubricating liners can be identical materials, same process is made, it also can be same material, different process is made, it can also be different materials, different process is made, the surfaces externally and internally of these two fibrage compound self-lubricating liners is concentric spherical calotte, symmetry up and down at two fibrage compound self-lubricating liners is installed two liner anchor clamps, two liner anchor clamps all have an Internal Spherical Surface that matches with the liner spherical outside surface, adopt resin bonding between fibrage compound self-lubricating liner and the liner anchor clamps, liner anchor clamps and boosting-rod connect firmly, the boosting-rod end connects firmly afterburning lever, installation position, afterburning lever middle part displacement sensor, loading hydraulic cylinder is installed at two ends.
The invention has the beneficial effects as follows: this invention can be simulated the real working condition condition of high-speed light-load fibrage composite self-lubricating bearing strip, comprises temperature, load, movement velocity, acceleration etc.; Rubbing wear mechanism test, fretting fatigue test and the performance optimization test of high-speed light-load fibrage composite self-lubricating bearing strip can be carried out, the wear condition of fibrage compound self-lubricating liner and the variation of friction force can be monitored in real time.Also have advantages such as compact conformation, good looking appearance, operating maintenance convenience simultaneously.
Description of drawings
Fig. 1 is the high-speed light-load fibrage composite self-lubricating bearing strip performance test machine synoptic diagram;
In Fig. 1,1. first loading hydraulic cylinder, 2. first displacement transducer, 3. second loading hydraulic cylinder, the 4. first afterburning lever, 5. airtight casing, 6. the first liner anchor clamps, 7. first seal, 8. second bearing, 9. the first fibrage compound self-lubricating liner, 10. rocking bar, 11. first hinges, 12. connecting rod, 13. second hinges, 14. cranks, 15. motor, 16. second seals, 17. the 3rd loading hydraulic cylinders, 18. second displacement transducer, 19. the 4th loading hydraulic cylinders, 20. second afterburning levers, 21. second boosting-rod, 22. second liner anchor clamps, 23. second fibrage compound self-lubricating liners, 24. rotating shaft, 25. outer spheroids, 26. clutch shaft bearings, 27. the 3rd seal, 28. the 4th seals, 29. first boosting-rods, 30. first box body hole, 31. second box body hole, 32. the 3rd box body holes, 33. the 4th box body holes.
Embodiment
Fig. 1 is an embodiment disclosed by the invention, on the box body wall of airtight casing 5, have four holes: first box body hole 30, second box body hole 31, the 3rd box body hole 32, the 4th box body hole 33, the center line of these four box body holes all is positioned at same plane, first box body hole 30, the 3rd box body hole 32 coaxial cables, second box body hole 31, the 4th box body hole 33 coaxial cables, in second box body hole 31 and the 4th box body hole 33, pass through clutch shaft bearing 26, second bearing 8 is supporting a rotating shaft 24, one end of rotating shaft 24 reaches the outside of airtight casing 5, on the end face of the external part of rotating shaft 24, connect firmly a rocking bar 10, rocking bar 10 links to each other with connecting rod 12 by first hinge 11, connecting rod 12 links to each other with crank 14 by second hinge 13, and crank 14 connects firmly with the output shaft of motor 15.Seal with first seal 7 and the 3rd seal 27 between second box body hole 31 of rotating shaft 24 and airtight casing 5, the 4th box body hole 33.Connecting firmly the outer spheroid 25 of a band endoporus at the middle part of rotating shaft 24, between rotating shaft 24 and the outer spheroid 25 is to removably connect, after both are bound up, be an integral body, can not produce the relative displacement of any way each other, both can be taken apart when needed.What match with the spherical outside surface of outer spheroid 25 is the first fibrage compound self-lubricating liner 9 and the second fibrage compound self-lubricating liner 23, the surfaces externally and internally of the first fibrage compound self-lubricating liner 9 and the second fibrage compound self-lubricating liner 23 is concentric spherical calotte, the installation first liner anchor clamps 6 on the first fibrage compound self-lubricating liner 9, below the second fibrage compound self-lubricating liner 23 between the installation second liner anchor clamps, 22, the first liner anchor clamps 6 and first boosting-rod 29 for removably connecting; For removably connecting, after two connected pieces of finger that removably connect here are installed together, can not produce any type of relative displacement between the two between the second liner anchor clamps 22 and second boosting-rod 21, when needs, both can be taken apart.First boosting-rod 29 and the first afterburning lever 4 connect firmly, and second boosting-rod 21 and the second afterburning lever 20 connect firmly.First displacement transducer 2 is installed at the middle part of first boosting-rod 29, at the left end of first boosting-rod 29 first loading hydraulic cylinder 1 is installed, at the right-hand member of first boosting-rod 29 second loading hydraulic cylinder 3 is installed, second displacement transducer 18 is installed at the middle part of the second afterburning lever 20, at the left end of second boosting-rod 20 the 4th loading hydraulic cylinder 19 is installed, the 3rd loading hydraulic cylinder 17 is installed at the right-hand member of first boosting-rod 29.Between first boosting-rod 29 and first box body hole 30 is clearance fit, with 28 sealings of the 4th seal, is clearance fit between second boosting-rod 20 and the 3rd box body hole 32 between the two, between the two with 16 sealings of second seal.
Size, specification, the model of first loading hydraulic cylinder 1, second loading hydraulic cylinder 3, the 3rd loading hydraulic cylinder 17 and the 4th loading hydraulic cylinder 19 are identical.The center line of first loading hydraulic cylinder 1 and second loading hydraulic cylinder 3 and the center line of first boosting-rod 29 are parallel to each other, and first loading hydraulic cylinder 1 equates with the centre distance of first boosting-rod 29 with the centre distance and second loading hydraulic cylinder 3 of first boosting-rod 29; The center line of the 3rd loading hydraulic cylinder 17 and the 4th loading hydraulic cylinder 19 and the center line of second boosting-rod 20 are parallel to each other, and the 3rd loading hydraulic cylinder 17 equates with the centre distance of second boosting-rod 20 with the centre distance and the 4th loading hydraulic cylinder 19 of second boosting-rod 20.Hydraulic system is exported to the oil pressure of first loading hydraulic cylinder 1, second loading hydraulic cylinder 3, the 3rd loading hydraulic cylinder 17 and the 4th loading hydraulic cylinder 19 can be identical, also can be different, so the output pressure of first loading hydraulic cylinder 1, second loading hydraulic cylinder 3, the 3rd loading hydraulic cylinder 17 and the 4th loading hydraulic cylinder 19 can equate, also can be unequal, the pressure between such first fibrage compound self-lubricating liner 9 and the outer spheroid 25 and the second fibrage compound self-lubricating liner 23 can equate with pressure between the outer spheroid 25, also can be unequal.
The first fibrage compound self-lubricating liner 9 and the second fibrage compound self-lubricating liner 23 can be the manufacturings of same material, same process, also can be the manufacturings of same material, different process, can also be the manufacturings of different materials, different process.
When the input pressure of first loading hydraulic cylinder 1, second loading hydraulic cylinder 3, the 3rd loading hydraulic cylinder 17 and the 4th loading hydraulic cylinder 19 is identical, promptly the pressure between the first fibrage compound self-lubricating liner 9 and the outer spheroid 25 and the second fibrage compound self-lubricating liner 23 are when pressure between the outer spheroid 25 equates, and the first fibrage compound self-lubricating liner 9 is identical with the material of the second fibrage compound self-lubricating liner 23, but manufacturing process is not simultaneously, can compare difference fatigue lifetime between the two.After the above-mentioned comparison test of fibrage compound self-lubricating liner process that various technologies produce, but with regard to the optimum manufacturing process under optimization industrial and mineral condition, the identical condition of manufactured materials.
When the input pressure of first loading hydraulic cylinder 1, second loading hydraulic cylinder 3, the 3rd loading hydraulic cylinder 17 and the 4th loading hydraulic cylinder 19 is identical, promptly the pressure between the first fibrage compound self-lubricating liner 9 and the outer spheroid 25 and the second fibrage compound self-lubricating liner 23 are when pressure between the outer spheroid 25 can equate, and the first fibrage compound self-lubricating liner 9 is identical with the manufacturing process of the second fibrage compound self-lubricating liner 23, but material is not simultaneously, can compare difference fatigue lifetime between the two.After the above-mentioned comparison test of fibrage compound self-lubricating liner process that various made go out, but with regard to the optimum manufactured materials under optimization industrial and mineral condition, the identical condition of manufacturing process.
Claims (2)
1. high-speed light-load fibrage composite self-lubricating bearing strip performance test machine, it is characterized in that: the clutch shaft bearing (26) of the box body wall of airtight casing (5) and second bearing (8) supporting shaft (24), seal with the 3rd seal (27) and first seal (7) between rotating shaft (24) and the airtight casing (5), connect firmly an outer spheroid (25) that has endoporus at the middle part of rotating shaft (24), what match with outer spheroid (25) is the first fibrage compound self-lubricating liner (9) and the second fibrage compound self-lubricating liner (23), the surfaces externally and internally of the first fibrage compound self-lubricating liner (9) and the second fibrage compound self-lubricating liner (23) is concentric spherical calotte, symmetry up and down at the first fibrage compound self-lubricating liner (9) and the second fibrage compound self-lubricating liner (23) is installed the first liner anchor clamps (6) and the second liner anchor clamps (22), the first liner anchor clamps (6) and the second liner anchor clamps (22) all have an Internal Spherical Surface that matches with the liner spherical outside surface, adopt resin bonding between the first fibrage compound self-lubricating liner (9) and the second fibrage compound self-lubricating liner (23) and the first liner anchor clamps (6) and the second liner anchor clamps (22); The end face of rotating shaft (24) external part connects firmly distant bar (10), and rocking bar (10) end connects connecting rod (12) by first hinge (11), and connecting rod (12) is by second hinge (13) connecting crank (14), and crank (14) connects firmly with the output shaft of motor (15).
2. high-speed light-load fibrage composite self-lubricating bearing strip performance test machine according to claim 1, it is characterized in that: the first liner anchor clamps (6) connect firmly with first boosting-rod (29), first boosting-rod (29) end connects firmly the first afterburning lever (4), and the first afterburning lever (4) middle part is installed first displacement transducer (2) two ends first loading hydraulic cylinder () and second loading hydraulic cylinder (3) are installed; The second liner anchor clamps (22) connect firmly with second boosting-rod (21), second boosting-rod (21) end connects firmly the second afterburning lever (20), and the second afterburning lever (20) middle part is installed second displacement transducer (18) two ends the 3rd loading hydraulic cylinder (17) and the 4th loading hydraulic cylinder (19) are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810079554XA CN101363788B (en) | 2008-10-08 | 2008-10-08 | High-speed light-load fibrage composite self-lubricating bearing strip performance test machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810079554XA CN101363788B (en) | 2008-10-08 | 2008-10-08 | High-speed light-load fibrage composite self-lubricating bearing strip performance test machine |
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| Publication Number | Publication Date |
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| CN101363788A true CN101363788A (en) | 2009-02-11 |
| CN101363788B CN101363788B (en) | 2011-02-09 |
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| CN200810079554XA Expired - Fee Related CN101363788B (en) | 2008-10-08 | 2008-10-08 | High-speed light-load fibrage composite self-lubricating bearing strip performance test machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230862A (en) * | 2011-04-07 | 2011-11-02 | 河南科技大学 | Friction pair of test stand for detecting friction performance of self-lubricating joint bearing gasket |
| CN103162953A (en) * | 2013-02-27 | 2013-06-19 | 燕山大学 | Self-lubricating liner performance testing machine |
| CN104132858A (en) * | 2014-07-10 | 2014-11-05 | 上海大学 | Friction wear test machine for high-temperature in-situ polymerized solid lubricating film |
| CN104568632A (en) * | 2015-01-22 | 2015-04-29 | 清华大学 | Device for testing abrasion of fibre to hard material |
| CN104634686A (en) * | 2015-03-10 | 2015-05-20 | 中国矿业大学 | Twisted-type hoister steel wire rope interlayer friction detection device and method |
| CN107132180A (en) * | 2017-04-07 | 2017-09-05 | 河南科技大学 | The frictional behaviour detection experimental rig and its installation method of a kind of oscillating bearing pad |
| CN108387475A (en) * | 2018-05-11 | 2018-08-10 | 吉林大学 | A kind of swing fatigue under scrubbing testing machine |
| CN109163904A (en) * | 2018-10-11 | 2019-01-08 | 吉林大学 | Multi-load movable joint bearing fatigue marginal test machine |
| CN113389784A (en) * | 2021-06-30 | 2021-09-14 | 上海大学 | Intelligent desolventizing and pressurizing device and method for self-lubricating joint bearing gasket |
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2008
- 2008-10-08 CN CN200810079554XA patent/CN101363788B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230862A (en) * | 2011-04-07 | 2011-11-02 | 河南科技大学 | Friction pair of test stand for detecting friction performance of self-lubricating joint bearing gasket |
| CN103162953A (en) * | 2013-02-27 | 2013-06-19 | 燕山大学 | Self-lubricating liner performance testing machine |
| CN103162953B (en) * | 2013-02-27 | 2015-08-05 | 燕山大学 | A kind of selflubricating liner performance aircraft |
| CN104132858A (en) * | 2014-07-10 | 2014-11-05 | 上海大学 | Friction wear test machine for high-temperature in-situ polymerized solid lubricating film |
| CN104568632A (en) * | 2015-01-22 | 2015-04-29 | 清华大学 | Device for testing abrasion of fibre to hard material |
| CN104568632B (en) * | 2015-01-22 | 2017-04-19 | 清华大学 | Device for testing abrasion of fibre to hard material |
| CN104634686A (en) * | 2015-03-10 | 2015-05-20 | 中国矿业大学 | Twisted-type hoister steel wire rope interlayer friction detection device and method |
| CN107132180A (en) * | 2017-04-07 | 2017-09-05 | 河南科技大学 | The frictional behaviour detection experimental rig and its installation method of a kind of oscillating bearing pad |
| CN108387475A (en) * | 2018-05-11 | 2018-08-10 | 吉林大学 | A kind of swing fatigue under scrubbing testing machine |
| CN109163904A (en) * | 2018-10-11 | 2019-01-08 | 吉林大学 | Multi-load movable joint bearing fatigue marginal test machine |
| CN113389784A (en) * | 2021-06-30 | 2021-09-14 | 上海大学 | Intelligent desolventizing and pressurizing device and method for self-lubricating joint bearing gasket |
| CN113389784B (en) * | 2021-06-30 | 2022-03-04 | 上海大学 | Intelligent desolventizing and pressurizing device and method for self-lubricating joint bearing gasket |
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| CN101363788B (en) | 2011-02-09 |
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