CN102230862B - Friction pair of test stand for detecting friction performance of self-lubricating joint bearing gasket - Google Patents
Friction pair of test stand for detecting friction performance of self-lubricating joint bearing gasket Download PDFInfo
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- CN102230862B CN102230862B CN 201110086614 CN201110086614A CN102230862B CN 102230862 B CN102230862 B CN 102230862B CN 201110086614 CN201110086614 CN 201110086614 CN 201110086614 A CN201110086614 A CN 201110086614A CN 102230862 B CN102230862 B CN 102230862B
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- 238000012360 testing method Methods 0.000 title claims abstract description 46
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- 239000003921 oil Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
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- 230000000694 effects Effects 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
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- 239000000463 material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000001035 drying Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
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Abstract
The invention relates to a friction pair of a test stand for detecting the friction performance of a self-lubricating joint bearing gasket. The friction pair comprises a friction ring or a friction tile and a friction ring base, wherein the friction ring or the friction tile is used for rotating in a reciprocating way under the action of a reciprocating driving acting force, the peripheral face of the friction ring or friction tile is a crown face; the friction ring base is used for transmitting a radial loading force along the friction ring, and is provided with an inwardly-concave crown face which is correspondingly in rotation fit with the crown face on the periphery of the friction ring or the friction tile; and a gap for assembling a gasket to be detected is formed between the inwardly-concave crown face of the friction ring base and the crown face on the periphery of the friction ring or the friction tile. According to the friction pair, the problem that the friction performance of the joint bearing gasket cannot be directly evaluated with the conventional joint bearing platform experiment is solved.
Description
Technical field
The present invention relates to a kind of friction pair for test stand for detecting friction performance of self-lubricating oscillating bearing liner.
Background technology
At present space shuttle is just towards high-speed, load capacity, voyage is far away and mobility is good future development, this just requires associated bearings to have more high-performance and reliability, and self-lubricating knuckle bearing is critical component in the aircraft industry, the quality of its performance has important impact on the performance of space shuttle with safety, and the quality of gasket material and tribological property have directly determined performance and the life-span of self-lubricating knuckle bearing in the self-lubricating knuckle bearing.
China is starting late aspect the research of high speed light loading self-lubricating knuckle bearing, relevant research level also has a certain distance with using and comparing abroad, simultaneously, because blockade on new techniques, the oscillating bearing of critical component also depends on import in a large number, have in addition be difficult to buy, such as some high speed light loading oscillating bearings, for this reason, the at present just energetically research of Developing High-speed underloading self-lubricating knuckle bearing and production of China.Liner is the problem that must at first solve in the self-lubricating knuckle bearing research and development, and after liner was produced, quality how to estimate its tribological property became a problem in the urgent need to address.
At present, domestic evaluation method to gasket performance is often passed through the oscillating bearing bench test, according to Chinese patent 200820058975.X disclosed a kind of " testing machine of high speed radial reciprocating-oscillation ", this experimental machine comprises test board, tested oscillating bearing embeds in the clamping mechanism that is arranged on the test board, radially being provided with for the radial loaded mechanism to oscillating bearing radial loaded power of clamping mechanism, being axially arranged with for the axial load maintainer that the reciprocating rotary driving force is provided to oscillating bearing of oscillating bearing, the oscillating bearing bench test is the performance of directly examining oscillating bearing, although simulated the behaviour in service of liner, but can not directly estimate the performance of liner, the performance of oscillating bearing not only depends on the performance of liner, also with bearing material, processing and assemble closely related, thereby it is rear controversial easily to go wrong, and is unfavorable for progress of research.
Summary of the invention
The object of the present invention is to provide a kind of friction pair for using on the self-lubricating oscillating bearing liner tribological property detection testing table, solved evaluation can not be directly made in existing oscillating bearing bench test to the frictional behaviour of oscillating bearing liner problem.
In order to address the above problem, technical scheme of the present invention is:
The friction pair that is used for test stand for detecting friction performance of self-lubricating oscillating bearing liner, comprise that the outer peripheral face for reciprocating rotary under the effect of reciprocating rotary driving force is friction ring or the friction tile of arc surface, and be used for transmission along the friction ring seat of described friction ring loading force radially, described friction ring seat has the interior concaved circular cambered surface that cooperates with the arc surface corresponding rotation of periphery of described friction ring or friction tile, is provided with the gap of assembling for liner to be measured between the arc surface of the interior concaved circular cambered surface of friction ring seat and the periphery of friction ring or the tile that rubs.
Described friction pair comprises that the outer peripheral face for reciprocating rotary under the effect of reciprocating rotary driving force is the friction ring of arc surface, described friction ring axially has taper hole along it, described friction pair also comprises the main shaft for reciprocating rotary under the effect of reciprocating rotary driving force, and described main shaft only screws the taper work section of closing along the taper hole that it is axially arranged with for ring friction.
Described friction ring is connected to form by flange by two antithesis rings with the cone groove up and down.
The beneficial effect that the present invention produces is: during detection tested liner placed friction ring and the gap that rubs between the ring seat, friction ring can be around the reciprocally swinging of its axis simulation multiple angles and multi-frequency under the drive of axial loading force, the friction ring base can be simulated multiple different load working condition under the effect of radial loaded power, getting many group liners during test tests under same working condition, whole process of the test does not need the participation of oscillating bearing, can avoid because the error that bearing material, processing and assembly relation cause directly draws the frictional behaviour of liner.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the assembling synoptic diagram of main shaft and friction ring among Fig. 1;
Fig. 5 is liner assembling synoptic diagram;
Fig. 6 is the use constitutional diagram of Fig. 1;
Fig. 7 is the enlarged drawing of I part among Fig. 6.
Embodiment
Embodiment is shown in Fig. 1-6: this friction pair comprises that the outer peripheral face for reciprocating rotary under the effect of reciprocating rotary driving force is the friction ring 13 of arc surface, and be used for transmission along the friction ring seat 18 of described friction ring loading force radially, described friction ring seat 18 has the interior concaved circular cambered surface that cooperates with the arc surface corresponding rotation of described friction ring periphery, be provided with the gap for liner 20 assemblings to be measured between the interior concaved circular cambered surface of friction ring seat 18 and the arc surface of friction ring 13 peripheries, described friction ring axially has taper hole 17 along it, described friction pair also comprises the main shaft 5 for reciprocating rotary under the effect of reciprocating rotary driving force, described main shaft 5 only screws the taper work section 15 of closing along the taper hole 17 that it is axially arranged with for ring friction 13, described friction ring 13 is connected to form by flange by two antithesis rings with the cone groove up and down, in other embodiment of the present utility model, described friction ring 13 can also be that the upper end is not sealed and is used for that the outer peripheral face of reciprocating rotary is the friction tile of arc surface under the effect of reciprocating rotary driving force, described friction ring seat 18 has the interior concaved circular cambered surface that cooperates with the arc surface corresponding rotation of described friction tile periphery, friction ring 13 also can directly be replaced by optical axis, friction ring 13 can also only cooperate by key with main shaft and revolves
During use, during use this friction pair is arranged between the radial loaded mechanism and axial load maintainer of testing table, described radial loaded mechanism is provided for the loading force of its radial loaded to friction ring seat 18, described axial load maintainer is provided for its vertically driving force of reciprocating rotary to main shaft 5, described axial load maintainer is test board 9 horizontally disposed oscillating oil cylinders 3, described oscillating oil cylinder 3 comprises clutch end, described clutch end and main shaft 5 are in transmission connection by the transmission shaft 11 that arranges therebetween, described taper work section 15 is provided with left main shaft support seat 4 and the right main shaft support seat 6 that rotates assembling for main shaft 5 along its axial both sides, described left main shaft support seat 4 and right main shaft support seat 6 are arranged on the test board 9 by a supporting seat 12, the load cylinder 8 of described radial loaded mechanism for vertically being arranged at friction ring seat 18 belows and being in transmission connection with friction ring seat 18, described load cylinder 8 comprises the load cylinder piston, described load cylinder 8 is divided into upper workspace and lower workspace by the load cylinder piston, described upper workspace and lower workspace be corresponding upper oil-in and the lower oil-in that enters for hydraulic oil that be provided with respectively, the top of load cylinder piston is provided with piston rod, action of hydraulic force is to piston one end, the motion of pushing piston bar, until contact with friction ring seat 18, produce acting force, described testing table also comprises for the hydraulic system 2 that hydraulic power is provided to oscillating oil cylinder 3 and load cylinder 8, the pressure oil that hydraulic system 2 provides is linked respectively the upper of load cylinder by two oil-outs of servo-valve behind servo-valve, lower workspace, magnitude of pressure differential according to two workspaces obtains different test forces, described testing table also comprises the temperature control box 7 for the adjusting test temperature, the rectangular box that described temperature control box 7 is comprised of inside and outside two-layer Stainless Steel Shell, be filled with for the alumina fibre of insulation cotton between the described inside and outside two-layer Stainless Steel Shell, a wall of described temperature control box is provided with the air channel of running through whole casing, be provided with refrigerating evaporator in the described air channel, well heater and blower fan, described blower fan is arranged at the relative outer side with well heater of refrigerating evaporator, well heater is comprised of resistance wire and ceramic pipe etc., well heater heating during test, fan drives rotation by the fan blower of the setting on the temperature control box 7, temperature control box 7 interior Air Flows are forced in the fan rotation, make the temperature inside the box even, refrigerating evaporator is a kind of formula compressor refrigeration system that changes again, described temperature control box top is provided with the temperature control box temperature sensor, this temperature control box 7 can move freely, and be provided with breach in the corresponding position of transmission shaft 11 and load cylinder 8, need not add environmental cabinet when under carrying out room temperature condition, testing, can place on one side, when need are done height, during low-temperature test environmental cabinet is pushed on the taper work section 5 of transmission shaft 11, so that taper work section 5 around reach a uniform test environment of temperature, described testing table also comprises the sensor for detection of working condition, described sensor comprises the angular transducer for detection of transmission shaft 11 rotational angles, for detection of the liner temperature sensor of liner 20 temperature with for detection of the pressure transducer of load cylinder load, described angular transducer, liner temperature sensor and pressure transducer are connected on the computer control system 1 by signal wire, computer control system 1 adopts the control of VB executable program, part 21 is for being used for the water-cooling system of hydraulic system 2 coolings among the figure, during test, at first with the liner 20 sticking cambered surface places that are posted on friction ring base 18, through compacting, after drying processing, test with friction ring 13, it is different in load to get several liners 20 samples, tests in the identical situation of other test condition; It is different in hunting frequency to get several liners 20 samples, tests in the identical situation of other test condition; It is different in environment temperature to get several liners 20 samples, tests the friction ring seat 18 that can more renew in the identical situation of other test condition when friction ring seat 18 diminishes.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110086614 CN102230862B (en) | 2011-04-07 | 2011-04-07 | Friction pair of test stand for detecting friction performance of self-lubricating joint bearing gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110086614 CN102230862B (en) | 2011-04-07 | 2011-04-07 | Friction pair of test stand for detecting friction performance of self-lubricating joint bearing gasket |
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| Publication Number | Publication Date |
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| CN102230862A CN102230862A (en) | 2011-11-02 |
| CN102230862B true CN102230862B (en) | 2013-03-13 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103245582B (en) * | 2013-05-06 | 2015-12-09 | 沈阳工业大学 | A kind of ring block friction wear testing machine of speed intelligent control |
| CN104729986B (en) * | 2015-01-27 | 2017-11-21 | 中国矿业大学 | Sliding friction pair device for joint-free steel wire rope and liner and assembling method |
| CN104677764B (en) * | 2015-03-04 | 2017-05-10 | 中国石油大学(北京) | Friction wear test device |
| CN107132180B (en) * | 2017-04-07 | 2020-06-09 | 河南科技大学 | A friction performance testing device of a spherical plain bearing pad and its installation method |
| CN107560932B (en) * | 2017-10-12 | 2019-07-26 | 燕山大学 | Double-cone bushing type self-lubricating spherical plain bearing pad friction and wear test device |
| CN107907559B (en) * | 2017-11-13 | 2020-10-27 | 无锡威孚力达催化净化器有限责任公司 | Testing device for gasket of automobile exhaust catalyst |
| CN109342244A (en) * | 2018-11-19 | 2019-02-15 | 江苏科技大学 | Bearing friction and wear testing machine and its testing method |
| CN113776713B (en) * | 2021-09-06 | 2023-04-18 | 滨州学院 | Method for testing friction force of piston skirt in real time in engine running process |
| CN115078070A (en) * | 2022-06-15 | 2022-09-20 | 北京理工大学 | Constant linear contact friction wear testing machine |
| CN117990547B (en) * | 2024-04-03 | 2024-06-14 | 鸿安消防设备有限公司 | Fire hose wear-resisting check out test set |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002221484A (en) * | 2001-01-25 | 2002-08-09 | Yaskawa Electric Corp | Lifetime evaluating apparatus of solid lubricating film |
| CN2526831Y (en) * | 2002-01-30 | 2002-12-18 | 李良洲 | Analogy tester for friction performance of friction liner |
| CN2854575Y (en) * | 2005-12-19 | 2007-01-03 | 中国矿业大学 | High-speed friction tester for wire rope and washer |
| CN101363787A (en) * | 2008-10-08 | 2009-02-11 | 燕山大学 | Low-speed heavy-duty fiber braided composite self-lubricating gasket performance testing machine |
| CN101363788B (en) * | 2008-10-08 | 2011-02-09 | 燕山大学 | High-speed light-load fiber braided composite self-lubricating gasket performance testing machine |
| CN102156096B (en) * | 2011-04-07 | 2013-02-27 | 河南科技大学 | A self-lubricating joint bearing liner friction performance test bench |
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