CN101706410B - Knife edge support friction test device - Google Patents
Knife edge support friction test device Download PDFInfo
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- CN101706410B CN101706410B CN2009102413455A CN200910241345A CN101706410B CN 101706410 B CN101706410 B CN 101706410B CN 2009102413455 A CN2009102413455 A CN 2009102413455A CN 200910241345 A CN200910241345 A CN 200910241345A CN 101706410 B CN101706410 B CN 101706410B
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- crossbeam
- knife
- sample stage
- friction
- edge
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Abstract
The invention relates to a knife edge support friction test device which comprises a test platform, a sample stage, a crossbeam bracket, a sensor bracket and a pulley bracket, wherein the sample stage, the crossbeam bracket and the pulley bracket are sequentially arranged on the test platform along the front and rear direction of the test platform; a crossbeam is erected on the crossbeam bracket; a pressure head vertically extending downwards is fixed on one end of the crossbeam, and the other end of the crossbeam is connected with a lifting rope; the lifting rope spans over a pulley on the pulley bracket and a free end thereof lifts heavy objects; a sensor detecting pressure of the pressure head is arranged on the connecting section of the lifting rope and the crossbeam along the vertical direction; the sensor bracket is arranged at one side of the sample stage, and a friction force sensor extending to the sample stage is arranged on the sensor bracket and is used for detecting friction force of samples on the sample stage. A knife edge support type friction attrition test machine is provided on the basis of fully considering adverse factors of self-friction, slow load reaction, big relative error, and the like of traditional friction attrition test machines in a test when the knife edge support friction test device is designed, thus providing guarantee for accurately measuring friction systems.
Description
Technical field
The present invention relates to a kind of pick-up unit of specimen friction factor.
Background technology
Traditional friction wear testing machine is not generally considered the friction between each parts in measuring the friction factor process, therefore have problems such as measuring error is big, measurement result is inaccurate when measuring friction factor.
Summary of the invention
At the problem that prior art exists, the invention provides a kind of simple in structure, measure knife edge support friction test device accurately.
For achieving the above object, knife edge support friction test device of the present invention, comprise test platform, sample stage, overarm brace, sensor stand and pulley bracket, sample stage, overarm brace and pulley bracket are successively set on the test platform along the test platform fore-and-aft direction, sample stage can be the axle rotation with the vertical direction, set up a crossbeam along the setting of test platform fore-and-aft direction on the overarm brace, crossbeam one end is fixed with the pressure head that extends straight down, the crossbeam other end connects a lifting rope, this lifting rope is crossed over its free end lifting weight of pulley on the pulley bracket, lifting rope and crossbeam linkage section vertically are provided with the pressure transducer of sample on the test sample platform, sensor stand is arranged on sample stage one side, and it is provided with the sensor of sample friction force on the test sample platform that sample stage is extended.
Further, described sample stage upper surface parallels with surface level.
Further, the top of described overarm brace has the edge of a knife connected in star that is provided with along described test platform left and right directions, uprightly be provided with the riser that is complementary with this groove in the edge of a knife connected in star, riser is that fulcrum can be swung in edge of a knife connected in star with riser and edge of a knife connected in star surface of contact, described crossbeam is fixed on the riser, and perpendicular with the riser end face.
Further, the surface of contact of described edge of a knife connected in star and described riser is provided with wearing layer.
Further, described edge of a knife connected in star shrinks gradually from groove top to bottom internal diameter, and its bottom surface is an arcwall face.
Further, described riser be one with the identical plate of described edge of a knife connected in star shape, the average thickness of this riser is less than the mean breadth of described edge of a knife connected in star, and be provided with balancing weight in described riser both sides, be used for the edge of a knife connected in star that stands on described overarm brace that guarantees that described riser is firm.
Further, described crossbeam is provided with level meter, is used to observe the levelness of described crossbeam.
Further, described test platform is provided with along described test platform fore-and-aft direction guide rail, and described overarm brace slidably is erected on the guide rail, moves along guide rail by described overarm brace, adjusts the position of described pressure head.
Further, described friction force sensor is arranged on the described sensor stand along described test platform left and right directions, described friction force sensor extends to described sample stage direction, and its end face towards described sample stage is provided with a probe, and this probe crosses with described pressure head and is connected.
Further, described sensor stand can move along described test platform fore-and-aft direction, but the position in the vertical direction of the described friction force sensor on it is just regulated.
Further, described pressure transducer and friction force sensor are S shape, respectively vertically with the horizontal direction setting.
On the basis of unfavorable factors such as knife edge support friction test device of the present invention is considered self friction in traditional friction wear testing machine experiment fully when design, loading is slow in reacting, relative error is big, edge of a knife brace type friction wear testing machine has been proposed.In the design of whole test machine, all the time with eliminate error, simple in structure be guidances, optimize structure, lay the position of sensor cleverly, monitor in real time and dynamically analyze, for measurement friction system accurately provides guarantee.
Description of drawings
Fig. 1 is the stereographic map of knife edge support friction test device of the present invention;
Fig. 2 is the right view of testing machine of the present invention;
Fig. 3 is the front view of testing machine of the present invention;
Fig. 4 is the vertical view of testing machine of the present invention;
Fig. 5 does not install the left view of counterbalance weight for testing machine of the present invention.
Embodiment
As shown in Figure 1, knife edge support friction test device of the present invention, comprise test platform 1, sample stage 2, knife edge type support 3, sensor stand 4 and pulley bracket 5, sample stage 2, knife edge type support 3 and pulley bracket 5 are along being successively set on the same straight line on the test platform 1, the surface of the upper surface of sample stage 2 and test platform 1 is parallel to each other, place sample to be tested on it, sample stage 2 under the driving of drive unit is that rotating shaft is rotated with the vertical direction, the upper surface of knife edge type support 3 has a taper edge of a knife, set up a riser 31 that is complementary with the edge of a knife in the edge of a knife, riser 31 and edge of a knife surface of contact are provided with wearing layer, a crossbeam 33 is set up in riser 31 upper edges, crossbeam 33 is clamped on the riser 31 by chuck 32, and can be that the fulcrum two ends swing up and down with the contact jaw of the riser 31 and the taper edge of a knife, crossbeam 33 1 ends are fixed with the pressure head 331 that extends to sample stage 2 surfaces straight down, crossbeam 33 rear ends connect the pulley 51 on a lifting rope suspension and the leap pulley bracket 5, the free end of lifting rope adds loads, vertically be provided with a pressure transducer 52 on the lifting rope that the crossbeam rear end connects, measure the normal pressure that is carried on the sample by this pressure transducer 52, the both sides of riser 31 are connected with counterbalance weight 6 by pole, can guarantee all the time that by this counterbalance weight 6 riser 31 is erected at the stability on the knife edge type support 3.One side of sample stage 2 is provided with the sensor stand 4 that can move along test platform 1 length direction, sensor stand 4 is provided with the S shape sensor 41 that parallels with test platform 1, the end face of the S shape sensor 41 of contiguous sample stage 2 is provided with the probe 411 that stretches out to sample stage 2 one sides, the connection that crosses of this probe 411 and the connecting link that is connected pressure head 331.
Shown in Fig. 2-5, knife edge type support 3 is erected on the guide rail 11 of test platform 1 upper edge fore-and-aft direction setting, makes the position of knife edge type support 3 can move forward and backward the position of the fulcrum on the conversion crossbeam 33 along test platform 1.Sensor stand 4 can move along test platform 1 fore-and-aft direction equally, the probe 411 of the S shape sensor 41 that is parallel to surface level of sensor stand 4 upper edge test platforms 1 left and right directions setting is connected with the connecting link of pressure head 331, therefore when moving forward and backward knife edge type support 3, sensor stand 4 is also along with moving together, be used for making things convenient for the friction force and the normal pressure at diverse location place on the specimen, can improve the utilization factor of test specimen.When carrying out friction-wear test, at first adjustment piece 6 makes being arranged in the taper edge of a knife groove that riser 31 can be uprightly firm, parallel with surface level to regulate crossbeam 33, in order also to be provided with the level meter (not shown) on the accuracy crossbeam 33 that guarantees to regulate, place sample on the sample stage 2, pressure head 331 nothings apply external force and are carried on the sample surfaces, on the lifting rope free end, add loads 7 this moment, the pressure head 331 downward pressure holdings of crossbeam 33 front ends on sample, add loads gravity be the normal pressure that applies on the sample.Accessory drive drives sample stage 2 rotations, friction force and the normal pressure of this moment S shape sensor 41 and sensor 52 on can the real-time testing sample, and according to formula f=μ N, (wherein f is a friction force to calculate friction factor, N is a normal pressure, and μ is a friction factor).For sensor stand 4 easy to adjust is provided with the set screw 43 of regulating sensor stand 4 fore-and-aft direction position on test platform 1 and regulates its upper sensor 41 set screw 42 highly.
On the basis of unfavorable factors such as knife edge support friction test device of the present invention is considered self friction in traditional friction wear testing machine experiment fully when design, loading is slow in reacting, relative error is big, edge of a knife brace type friction wear testing machine has been proposed.Adopt three-dimensional software that the shape of the edge of a knife is designed, utilize Ansys carry out the mechanical model analysis and to correction, obtain optimum edge of a knife shape at last, and on the edge of a knife, plate the lubricating film of one deck high abrasion.In the design of whole test machine, all the time with eliminate error, simple in structure be guidance, optimize structure, lay the position of sensor cleverly, monitor in real time and dynamically analyze.Design accurate most advanced and sophisticated method and survey friction force, most advanced and sophisticated method is that axial friction is only surveyed in most advanced and sophisticated sphere contact, and other power such as eliminating beam microdeformation are to the influence of friction force.Design balance instrument beam is monitored in real time to the loading smoothness of beam.For the normal pressure design, then can avoid the friction of load maintainer itself, pressure sensor can fluctuate by real-time monitoring system simultaneously, provides guarantee for accurate friction factor is provided.
It is to be noted and any distortion of making according to the specific embodiment of the present invention all do not break away from the scope that spirit of the present invention and claim are put down in writing.
Claims (7)
1. knife edge support friction test device, it is characterized in that, comprise test platform, sample stage, overarm brace, sensor stand and pulley bracket, sample stage, overarm brace and pulley bracket are successively set on the test platform along the test platform fore-and-aft direction, sample stage can be the axle rotation with the vertical direction, set up a crossbeam along the setting of test platform fore-and-aft direction on the overarm brace, the top of described overarm brace has the edge of a knife connected in star that is provided with along described test platform left and right directions, uprightly be provided with the riser that is complementary with this groove in the edge of a knife connected in star, riser is that fulcrum can be swung in edge of a knife connected in star with riser and edge of a knife connected in star surface of contact, described crossbeam is fixed on the riser, and perpendicular with the riser end face; Described riser be one with the identical plate of described edge of a knife connected in star shape, the average thickness of this riser is less than the mean breadth of described edge of a knife connected in star, and be provided with balancing weight in described riser both sides, be used for the edge of a knife connected in star that stands on described overarm brace that guarantees that described riser is firm; Crossbeam one end is fixed with the pressure head that extends straight down, the crossbeam other end connects a lifting rope, this lifting rope is crossed over its free end lifting weight of pulley on the pulley bracket, lifting rope and crossbeam linkage section vertically are provided with the sensor of sample strain on the test sample platform, sensor stand is arranged on sample stage one side, it is provided with the sensor of sample friction force on the test sample platform that sample stage is extended, described friction force sensor is arranged on the described sensor stand along described test platform left and right directions, described friction force sensor extends to described sample stage direction, its end face towards described sample stage is provided with a probe, and this probe crosses with described pressure head and is connected.
2. knife edge support friction test device as claimed in claim 1 is characterized in that, described sample stage upper surface parallels with surface level.
3. knife edge support friction test device as claimed in claim 1 is characterized in that the surface of contact of described edge of a knife connected in star and described riser is provided with wearing layer.
4. knife edge support friction test device as claimed in claim 1 is characterized in that, described edge of a knife connected in star shrinks gradually from groove top to bottom internal diameter, and its bottom surface is an arcwall face.
5. knife edge support friction test device as claimed in claim 1 is characterized in that described crossbeam is provided with level meter, is used to observe the levelness of described crossbeam.
6. knife edge support friction test device as claimed in claim 1, it is characterized in that described test platform is provided with along described test platform fore-and-aft direction guide rail, described overarm brace slidably is erected on the guide rail, move along guide rail by described overarm brace, adjust the position of described pressure head.
7. knife edge support friction test device as claimed in claim 1 is characterized in that, described sensor stand can move along described test platform fore-and-aft direction, but the position in the vertical direction of the described friction force sensor on it is just regulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102413455A CN101706410B (en) | 2009-11-30 | 2009-11-30 | Knife edge support friction test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102413455A CN101706410B (en) | 2009-11-30 | 2009-11-30 | Knife edge support friction test device |
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| Publication Number | Publication Date |
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| CN101706410A CN101706410A (en) | 2010-05-12 |
| CN101706410B true CN101706410B (en) | 2011-07-20 |
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| CN2009102413455A Expired - Fee Related CN101706410B (en) | 2009-11-30 | 2009-11-30 | Knife edge support friction test device |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102621019A (en) * | 2011-01-30 | 2012-08-01 | 纬创资通股份有限公司 | Clamping fixture, friction testing device possessing the same, and friction testing method |
| CN102302249A (en) * | 2011-07-26 | 2012-01-04 | 广州市质量监督检测研究院 | Tester for testing surface frictional property of shoe lining and insole |
| CN102519868B (en) * | 2011-12-21 | 2013-07-31 | 中国石油大学(北京) | Sliding-rolling combined type soft friction test apparatus |
| CN104180992B (en) * | 2014-09-18 | 2016-08-24 | 天津电气科学研究院有限公司 | A kind of measuring method of vertical hydrostatic bearing sensitivity |
| CN104535492A (en) * | 2015-01-16 | 2015-04-22 | 金陵科技学院 | Garment material surface physical characteristic detecting robot and intelligent detection method thereof |
| CN106501115A (en) * | 2016-12-30 | 2017-03-15 | 上海长园电子材料有限公司 | Macromolecular material product abrasion-resistant detection means |
| CN107024427A (en) * | 2017-04-17 | 2017-08-08 | 金华职业技术学院 | A kind of device for the tribology for studying monolayer |
| CN109682751B (en) * | 2019-01-29 | 2024-04-12 | 兰州华汇仪器科技有限公司 | Multifunctional material surface performance tester and control system thereof |
| CN109827899B (en) * | 2019-01-29 | 2024-04-12 | 兰州华汇仪器科技有限公司 | Material surface property tester |
| CN112903579A (en) * | 2021-02-04 | 2021-06-04 | 河海大学 | Device and method for simulation test of tunnel asphalt pavement anti-slip coefficient |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2935149Y (en) * | 2006-07-28 | 2007-08-15 | 厦门天机自动化有限公司 | Lever loading mechanism of frictional wear lubricant tester |
| CN201034896Y (en) * | 2007-04-05 | 2008-03-12 | 张国珍 | Frictional wear tester |
| CN101393113A (en) * | 2008-11-05 | 2009-03-25 | 中国科学院力学研究所 | Device for measuring material friction action in multiatmosphere and vacuum environment |
-
2009
- 2009-11-30 CN CN2009102413455A patent/CN101706410B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2935149Y (en) * | 2006-07-28 | 2007-08-15 | 厦门天机自动化有限公司 | Lever loading mechanism of frictional wear lubricant tester |
| CN201034896Y (en) * | 2007-04-05 | 2008-03-12 | 张国珍 | Frictional wear tester |
| CN101393113A (en) * | 2008-11-05 | 2009-03-25 | 中国科学院力学研究所 | Device for measuring material friction action in multiatmosphere and vacuum environment |
Non-Patent Citations (4)
| Title |
|---|
| D.F.摩尔.摩擦学原理和应用.《摩擦学原理和应用》.机械工业出版社,1982,146-147. * |
| 张旭海等.MG-200型销盘式磨损试验机在薄膜磨损研究中的应用.《理化检测-物理分册》.2006,第42卷(第2期),85-87. * |
| 朱伟等.板料拉深成形摩擦系数测量系统.《仪器仪表学报》.2006,第27卷(第7期),773-778. * |
| 杜军.球-盘摩擦磨损试验机的设计及其应用.《装甲兵工程学院学报》.2007,第21卷(第5期),55-58. * |
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| CN101706410A (en) | 2010-05-12 |
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Granted publication date: 20110720 Termination date: 20131130 |