CN2783313Y - Twisting micromotion wearing test machine - Google Patents
Twisting micromotion wearing test machine Download PDFInfo
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- CN2783313Y CN2783313Y CN 200520071156 CN200520071156U CN2783313Y CN 2783313 Y CN2783313 Y CN 2783313Y CN 200520071156 CN200520071156 CN 200520071156 CN 200520071156 U CN200520071156 U CN 200520071156U CN 2783313 Y CN2783313 Y CN 2783313Y
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Abstract
The utility model relates to a twisting micro-motion wearing testing machine which is mainly composed of a cantilever swinging device and a loading balancing device, wherein a lower sample supporting frame connected with the cantilever swinging device and an upper sample supporting frame connected with the loading balancing device correspond to each other from top to bottom and are on the same shaft line, and a precise hinging cylinder body is arranged on the chassis of the lower sample supporting frame. The utility model adopting a mechanical shock exciting mode has large driving force and few motion links; apart from the hinging part, the rest of motion parts are realized through the bending of a cantilever elastic plate and an elastic thin plate, micro-amplitude swing is directly generated between samples under the drive of a cam, and the utility model generates small-amplitude twisting micro-motion wearing, and has the advantages of constant amplitude, small error, simple structure and easy processing, practicality and important significance for the research of the twisting micro-motion wearing field.
Description
Technical field
The utility model relates to the tribology experiments technical field, is a kind of twisting fretting wear testing machine specifically.
Background technology
Fretting wear is a kind of damage that is present in the mechanical component of approximate " static " cooperation, and the harm that causes thus is also very big.The direction of relative movement different according to fretting wear, fine motion have 4 kinds of basic operational modes: (1) tangential fine motion, or claim the parallel-moving type fine motion, be the fine motion mode of the most generally studying; (2) radially fine motion; (3) rolling fine motion; (4) twisting or micro-moving.Mostly the testing machine of research fretting wear at present is to mainly include three kinds of modes such as Mechanical Driven, fluid drives and Electromagnetic Drive at tangential fine motion.Mechanical Driven is to utilize the elastic telescopic of one of cam, lever, non-equilibrium rotation or fine motion pair, and lever, cam etc. can worked than under the large amplitude, and load also can change in any range, but frequency generally is no more than 50Hz.The elastic telescopic mode of sample can only be worked under lower amplitude owing to limited by elastic limit of material, and its frequency range then depends on drive source.Electromagnetic mode generally adopts electric and magnetic oscillation or utilizes functional material to produce vibration, can work under high-frequency, but this kind equipment can only be worked under little load.Adopt the Servo Drive mode, it is big that it has driving force, and amplitude, frequency variation scope are wide, be easy to utilize advantages such as computer program control and measurement, but technology are complicated, and expense is higher, and equipment volume is also bigger.Also have radially fine motion and in conjunction with the Compound Fretting Wear testing machine with tangential fine motion of fine motion radially of a kind of research, it mainly is to adopt high-precision hydraulic-driven form.For the research of twisting fretting wear, also there is not relevant testing machine at present.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, and is effective, can produce the twisting fretting wear testing machine of small amplitude.
A kind of twisting fretting wear testing machine of the utility model, it is made of the cantilever pendular device and the loading balancing device that are located on the testing machine stand, the cantilever pendular device lateral arrangement, loading balancing device vertically is arranged in the side of cantilever pendular device; The following sample support frame that is connected with cantilever pendular device is corresponding with the last sample support frame upper-lower position that is connected with loading balancing device, and on same axis, the below of following sample support frame is provided with the hinged cylinder body that is fixed on the test-bed.
A kind of twisting fretting wear testing machine of the utility model, described cantilever pendular device is by the cam that links to each other with motor, be located at the cantilever elastic sheet of flank of cam, the little thin plate that links to each other with the cantilever elastic sheet, the anchor post of cantilever mounted elastic sheet is formed with the fork that is connected with following sample support frame, the fork and the cantilever elastic sheet that are connected with following sample support frame have been put down setting, are provided with little thin plate between fork and the elastic sheet; Described loading balancing device is by the load balance beam that is located on the balance beam support post, be located at counterweight and counterpoise on the load balance girder cantilever, form with coaxial torque sensor that links to each other of counterweight and last sample support frame, load balance beam and balance beam support post junction are provided with accurate swivel pin; Be provided with piston rod in the described hinged cylinder body, piston rod is connected down on the chassis of sample support frame.
A kind of twisting fretting wear testing machine of the utility model adopts the mechanical type exciting mode, and driving force is big; Testing machine can the motion link few, except hinge portion, all the other motion parts are that the bending by cantilever elastic plate and elastic sheet realizes, and directly make under the promotion of cam and produce small amplitude fluctuation between sample, amplitude constant, and error is little; Simple in structure, be easy to processing, significant to the research of carrying out fields such as twisting fretting wear, and have practicality.
Description of drawings
Fig. 1 is the utility model structural front view.
Fig. 2 is the utility model structure vertical view.
Fig. 3 is the utility model structure side view.
Among the figure: the hinged cylinder body 17-of sample support frame 16-testing machine stand 18-motor under the sample 15-under the last sample 14-of the accurate swivel pin 10-of the little thin plate 4-of the 1-cam 2-cantilever elastic sheet 3-anchor post 5-fork 6-counterweight 7-load balance beam 8-balance beam support post 9-counterpoise 11-last sample support frame 13-of torque sensor 12-
Embodiment
Below in conjunction with accompanying drawing an embodiment of the present utility model is further described:
A kind of twisting fretting wear testing machine of the utility model, it mainly is made of cantilever pendular device and loading balancing device, and the cantilever pendular device lateral arrangement is on testing machine stand 17, and loading balancing device vertically is arranged in the side of cantilever pendular device.Cantilever pendular device is made up of cam 1, cantilever elastic sheet 2, little thin plate 3, anchor post 4, fork 5 and motor 18.Motor 18 is fixed on the bottom of testing machine stand 17, cam 1 above its transmission shaft passes stand 17 and is located at stand 17 is connected, cam 1 is located at the side of cantilever elastic sheet 2, one end of cantilever elastic sheet 2 is located on the anchor post 4, parallel with cantilever elastic sheet 2 and to be provided with the fork 5 that links to each other with following sample support frame 15, be connected with little thin plate 3 between elastic sheet 2 and the fork 5, little thin plate 3 links to each other with elastic sheet 2 right angles with fork 5.Loading balancing device is made up of counterweight 6, load balance beam 7, balance beam support post 8, accurate swivel pin 9, counterpoise 10, torque sensor 11 and last sample support frame 12.Load balance beam 7 is located on the balance beam support post 8, its junction is by accurate swivel pin 9 hinged securement, counterweight 6 and counterpoise 10 are located at the two ends of load balance beam 7 cantilevers, the bottom that counterweight 6 one ends are set is provided with torque sensor 11 and last sample support frame 12, last sample support frame 12 is corresponding with following sample support frame 15, on same axis, the chassis of following sample support frame 15 has and is fixed on the hinged cylinder body 16 on the test-bed 17, rotating piston rod is fixed on down on the sample support frame 15 in the cylinder body 16, and piston rod is with sample support frame 15 motions down.
Principle of work: adopt Frequency Converter Control, drive AC motor 18, making its maximum synchronous rotational speed is 1500rpm, the rotating speed of the frequency shift motor 18 by regulating frequency converter.Motor 18 drives offset cam 1 and rotates, cam 1 promotes the cantilever end vibration of cantilever elastic sheet 2, according to the ratio amplification of lever and the elastic bending effect of cantilever elastic plate, connect little thin plate 3 positions on the cantilever elastic sheet 2 and produce small amplitude, small amplitude is passed to fork 5 by little thin plate 3.The piston rod of following sample support frame 15 and hinged cylinder body 16 is connected, the cylinder sleeve of hinged cylinder body 16 is connected with test stand 17, do between the piston rod of hinged cylinder body 16 and the cylinder sleeve and relatively rotate, sample support frame 15 was made the reciprocally swinging of little amplitude under fork 5 drove, and made between sample 13 and the following sample 14 and formed twisting fretting wear.Be located at torque sensor 11 on the load balance beam 7 and can measure friction force between sample 13 and the following sample 14, counterpoise 10 can be adjusted the equilibrant of load balance beam 7, making original upload load is 0, and the weight of increase counterweight 6 is applied with the contact load between sample 13 and the following sample 14.
Claims (6)
1. twisting fretting wear testing machine is characterized in that: it is made of the cantilever pendular device and the loading balancing device that are located on the testing machine stand (17), the cantilever pendular device lateral arrangement, and loading balancing device vertically is arranged in the side of cantilever pendular device; The following sample support frame (15) that is connected with cantilever pendular device is corresponding with last sample support frame (12) upper-lower position that is connected with loading balancing device, on same axis, the below of following sample support frame (15) is provided with the hinged cylinder body (16) that is fixed on the test-bed (17).
2. a kind of twisting fretting wear testing machine according to claim 1, it is characterized in that: described cantilever pendular device is by the cam (1) that links to each other with motor (18), be located at the cantilever elastic sheet (2) of cam (1) side, the little thin plate (3) that links to each other with cantilever elastic sheet (2), the anchor post (4) of cantilever mounted elastic sheet (2) is formed with the fork (5) that is connected with following sample support frame (15).
3. a kind of twisting fretting wear testing machine according to claim 1 and 2, it is characterized in that: the fork (5) that described and following sample support frame (15) is connected be arranged in parallel with cantilever elastic sheet (2), is provided with little thin plate (3) between fork (5) and the cantilever elastic sheet (2).
4. a kind of twisting fretting wear testing machine according to claim 1, it is characterized in that: described loading balancing device is by the load balance beam (7) that is located on the balance beam support post (8), be located at counterweight (6) and counterpoise (10) on load balance beam (7) cantilever, form with coaxial torque sensor that links to each other of counterweight (6) (11) and last sample support frame (12).
5. a kind of twisting fretting wear testing machine according to claim 4 is characterized in that: described load balance beam (7) is provided with accurate swivel pin (9) with balance beam support post (8) junction.
6. a kind of twisting fretting wear testing machine according to claim 1 is characterized in that: be provided with piston rod in the described hinged cylinder body (16), piston rod is connected down on the sample support frame (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071156 CN2783313Y (en) | 2005-04-22 | 2005-04-22 | Twisting micromotion wearing test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520071156 CN2783313Y (en) | 2005-04-22 | 2005-04-22 | Twisting micromotion wearing test machine |
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| CN2783313Y true CN2783313Y (en) | 2006-05-24 |
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| CN 200520071156 Expired - Fee Related CN2783313Y (en) | 2005-04-22 | 2005-04-22 | Twisting micromotion wearing test machine |
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| CN (1) | CN2783313Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387966C (en) * | 2005-04-22 | 2008-05-14 | 中国矿业大学 | Wear test method of twisting jiggle of generating micro iamplitude of vibration, and testing machine |
| CN101451937B (en) * | 2007-12-06 | 2011-01-12 | 上海康德莱企业发展集团有限公司 | Toughness tester of needle tip of conjuncted injection syringe and method therefor |
| CN101995209A (en) * | 2010-09-16 | 2011-03-30 | 上海电缆研究所 | Aerial conductor bending amplitude sensor |
| CN101666731B (en) * | 2008-09-02 | 2011-09-28 | 中国船舶重工集团公司第七○三研究所 | Jiggle corrosion abrasion-micro amplitude collision abrasion test machine |
| CN104297046A (en) * | 2014-10-08 | 2015-01-21 | 中国矿业大学 | Device and method for multi-axis fretting fatigue test of steel wire |
| CN104749096A (en) * | 2015-03-23 | 2015-07-01 | 同济大学 | Device for measuring mechanical friction and adhesion coefficient |
| CN104880362A (en) * | 2015-05-13 | 2015-09-02 | 浙江工业大学 | Self-coordinated transverse micromotion loading device for micromotion fatigue testing |
| CN105628608A (en) * | 2015-05-04 | 2016-06-01 | 广东工业大学 | Measuring method for bonding strength of coating-matrix interface |
| CN108225956A (en) * | 2017-12-14 | 2018-06-29 | 北京理工大学 | A kind of amplitude-controlled material fretting wear experimental rig |
| CN116818566A (en) * | 2023-08-29 | 2023-09-29 | 无锡龙创汽车技术有限公司 | Torsion beam welding strength detection device |
-
2005
- 2005-04-22 CN CN 200520071156 patent/CN2783313Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387966C (en) * | 2005-04-22 | 2008-05-14 | 中国矿业大学 | Wear test method of twisting jiggle of generating micro iamplitude of vibration, and testing machine |
| CN101451937B (en) * | 2007-12-06 | 2011-01-12 | 上海康德莱企业发展集团有限公司 | Toughness tester of needle tip of conjuncted injection syringe and method therefor |
| CN101666731B (en) * | 2008-09-02 | 2011-09-28 | 中国船舶重工集团公司第七○三研究所 | Jiggle corrosion abrasion-micro amplitude collision abrasion test machine |
| CN101995209A (en) * | 2010-09-16 | 2011-03-30 | 上海电缆研究所 | Aerial conductor bending amplitude sensor |
| CN104297046A (en) * | 2014-10-08 | 2015-01-21 | 中国矿业大学 | Device and method for multi-axis fretting fatigue test of steel wire |
| CN104297046B (en) * | 2014-10-08 | 2016-08-17 | 中国矿业大学 | A kind of steel wire multiaxis fretting fatigue testing device and method |
| CN104749096B (en) * | 2015-03-23 | 2017-07-28 | 同济大学 | A kind of mechanical friction and adhesion coefficient determine device |
| CN104749096A (en) * | 2015-03-23 | 2015-07-01 | 同济大学 | Device for measuring mechanical friction and adhesion coefficient |
| CN105628608A (en) * | 2015-05-04 | 2016-06-01 | 广东工业大学 | Measuring method for bonding strength of coating-matrix interface |
| CN104880362A (en) * | 2015-05-13 | 2015-09-02 | 浙江工业大学 | Self-coordinated transverse micromotion loading device for micromotion fatigue testing |
| CN104880362B (en) * | 2015-05-13 | 2017-06-20 | 浙江工业大学 | Self-coordinating formula fretting fatigue testing transverse direction fine motion loading device |
| CN108225956A (en) * | 2017-12-14 | 2018-06-29 | 北京理工大学 | A kind of amplitude-controlled material fretting wear experimental rig |
| CN116818566A (en) * | 2023-08-29 | 2023-09-29 | 无锡龙创汽车技术有限公司 | Torsion beam welding strength detection device |
| CN116818566B (en) * | 2023-08-29 | 2023-11-14 | 无锡龙创汽车技术有限公司 | Torsion beam welding strength detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060524 Termination date: 20100422 |