CN201697862U - Contact type friction interface stick-slip characteristic on-line detecting device - Google Patents
Contact type friction interface stick-slip characteristic on-line detecting device Download PDFInfo
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- CN201697862U CN201697862U CN2010201992637U CN201020199263U CN201697862U CN 201697862 U CN201697862 U CN 201697862U CN 2010201992637 U CN2010201992637 U CN 2010201992637U CN 201020199263 U CN201020199263 U CN 201020199263U CN 201697862 U CN201697862 U CN 201697862U
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Abstract
The utility model discloses a contact type friction interface stick-slip characteristic on-line detecting device, which relates to the field of friction interface stick-slip characteristic study. The contact type friction interface stick-slip characteristic on-line detecting device comprises an experiment table (1), a one-dimensional electric displacement table (8), a first three-dimensional manual displacement table (2) and a second three-dimensional manual displacement table (7), wherein the one-dimensional electric displacement table (8), the first three-dimensional manual displacement table (2) and the second three-dimensional manual displacement table (7) are arranged on the experiment table (1), the first three-dimensional manual displacement table (2) and the second three-dimensional manual displacement table (7) are respectively positioned at both sides of the one-dimensional electric displacement table (8), a base body clamp (9) for clamping a friction base body (10) is fixed on the one-dimensional electric displacement table (8), a loading mechanism (4) for clamping a friction slide block (11) is fixed on the first three-dimensional manual displacement table (2), a clamping tool (6) is fixed on the second three-dimensional manual displacement table (7), and a contact needle type displacement sensor (5) for measuring the displacement of the friction slide block (11) is arranged on the clamping tool (6).
Description
Technical field
The utility model relates to the frictional interface stick-slip characteristic research field, specifically, relates to a kind of contact-type frictional interface stick-slip characteristic on-line detection device.
Background technology
Precision positioning technology is widely used in fields such as space flight, MEMS (micro electro mechanical system), measuring science, optics and photoelectron engineering, precision engineering, bioengineering.Especially, along with the requirement to bearing accuracy of industrial circle such as ultraprecise processing, ultra precise measurement and robot system improves constantly, the research of precision positioning technology becomes more important.In position fixing process, because there is stick-slip power in the friction surface of positioning table and guide rail, motion will present discontinuous stick-slip motion, i.e. creeping phenomenon, and this phenomenon has a strong impact on the bearing accuracy in the precision positioning.Therefore, the friction of positioning table and guide rail is the key that influences the precision positioning equipment precision.
The utility model content
The purpose of this utility model is to propose a kind of contact-type frictional interface stick-slip characteristic on-line detection device, and it can detect stick-slip phenomenon and the relevant characterization parameter that different surface in contacts occurs owing to surperficial stick-slip characteristic in sliding friction.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of frictional interface stick-slip characteristic on-line detection device, it is characterized in that, comprise experiment table, be arranged on one dimension electricity driving displacement platform, the first three-dimensional manual displacement platform, the second three-dimensional manual displacement platform on the experiment table, the described first three-dimensional manual displacement platform, the second three-dimensional manual displacement platform lay respectively at one dimension electricity driving displacement platform both sides; Be fixed with the substrate clamp of clamping friction matrix on the described one dimension electricity driving displacement platform; Be fixed with the load maintainer of clamping friction slip on the described first three-dimensional manual displacement platform; Be fixed with jig on the described second three-dimensional manual displacement platform, jig is provided with the contact pin type displacement transducer of measuring the friction slip displacement.
Further improvement of the utility model and characteristics are: described load maintainer comprises protective sleeve, and an end is fixed on the rub measurement sensor in the protective sleeve, and the other end of rub measurement sensor is fixed with the slide clamp of clamping friction slip; Contiguous block in the middle of described rub measurement sensor comprises; with the fixing left contiguous block of protective sleeve; with the fixing right contiguous block of slide clamp; be disposed with the first sheet metal beam, the second sheet metal beam between left side contiguous block, middle contiguous block, the right contiguous block; the corresponding first sheet metal beam, the second sheet metal beam surface are pasted with first foil gauge and second foil gauge; and in two sheet metal beams, a horizontal positioned, vertical a placement.
In the utility model, be fixed with the substrate clamp of clamping friction matrix on the one dimension electricity driving displacement platform, be fixed with the load maintainer of clamping friction slip on the first three-dimensional manual displacement platform, be fixed with jig on the second three-dimensional manual displacement platform, jig is provided with the contact pin type displacement transducer of measuring the friction slip displacement; The first three-dimensional manual displacement platform handwheel can drive the mobile down mutually friction slip that makes of friction slip clamping load maintainer and contact with the friction matrix, the electricity driving displacement platform drives friction matrix and friction slip sliding contact, the displacement of contact pin type displacement sensor friction slip; In addition; the rub measurement sensor is set in the load maintainer; rub measurement sensor one end is fixed on the protective sleeve; the other end is fixed with the slide clamp of clamping friction slip; the friction factor of friction slip of on-line testing simultaneously and friction matrix and the change in displacement situation of friction slip; characterize stick-slip motion phenomenon in detail, for frictional interface stick-slip characteristic research lays the foundation.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The general structure synoptic diagram of Fig. 1 a kind of frictional interface stick-slip characteristic pick-up unit of the present utility model; Fig. 2 is the structural representation of one dimension electricity driving displacement platform; Fig. 3 is the structural representation of the second three-dimensional manual displacement platform; Fig. 4 is the structural representation of the first three-dimensional manual displacement platform of loading friction slip; Fig. 5 is the exploded perspective view of load maintainer; Among the figure: 1, experiment table; 2, the first three-dimensional manual displacement platform; 3, support; 4, load maintainer; 401, protective sleeve; 402, rub measurement sensor; 402-1, left contiguous block; 402-2, middle contiguous block; 402-3, right contiguous block; 402-4, the first sheet metal beam; 402-5, the second sheet metal beam; 402-6, first foil gauge; 402-7, second foil gauge; 403, slide clamp; 5, contact pin type displacement transducer; 501, extension bar; 502, measure syringe needle; 6, jig; 7, the second three-dimensional manual displacement platform; 8, one dimension electricity driving displacement platform; 9, substrate clamp; 10, friction matrix; 11, friction slip.
Embodiment
With reference to Fig. 1, be a kind of frictional interface stick-slip characteristic on-line detection device of the present utility model, mainly comprise experiment table 1, be arranged on the left and right sides that one dimension electricity driving displacement platform 8, first three-dimensional manual displacement platform 2, second three-dimensional manual displacement platform 7, the first three-dimensional manual displacement platform 2, second three-dimensional manual displacement platforms 7 on the experiment table 1 lay respectively at one dimension electricity driving displacement platform 8.
In conjunction with Fig. 2, one dimension electricity driving displacement platform 8 by pedestal, be arranged on track on the pedestal, displacement platform, the stepper motor that is arranged on pedestal one end that slides along track and the leading screw that connects stepper motor and displacement platform form, stepper motor can drive the displacement platform by leading screw and seesaw.Substrate clamp 9 is set on the displacement platform, is used for clamping friction matrix 10.
In conjunction with Fig. 3, be fixed with jig 6 on the second three-dimensional manual displacement platform 7, clamp contact pin type displacement transducer 5 on the jig 6.Extension bar 501 front ends of contact pin type displacement transducer 5 have measures syringe needle 502, measure syringe needle 502 can be in extension bar 501 free shrink.During use, rotate second three-dimensional manual displacement platform 7 handwheels measurement syringe needle 502 is contacted with friction slip 11, the displacement of friction slip 11 is measured by contact pin type displacement transducer 5.
In conjunction with Fig. 4,5, the first three-dimensional manual displacement platforms 2 by the fixing load maintainer 4 of the support 3 on it.Load maintainer 4 comprises that protective sleeve 401, one ends are fixed on the rub measurement sensor 402 in the protective sleeve 401, and the other end of rub measurement sensor 402 is fixed with the slide clamp 403 of clamping friction slip 11.
Rub measurement sensor (402) is mainly by middle contiguous block 402-2; with the fixing left contiguous block 402-1 of protective sleeve 401; with the fixing right contiguous block 402-3 of slide clamp 403; and be disposed with the first sheet metal beam 402-4, the second sheet metal beam 402-5 between left contiguous block 402-1, middle contiguous block 402-2, the right contiguous block 402-3 and form, the corresponding first sheet metal beam 402-4, the second sheet metal beam 402-5 surface are pasted with the first foil gauge 402-6 and the second foil gauge 402-7.In two sheet metal beams, the first sheet metal beam 402-4 is the monolithic beam of horizontal positioned, be used to measure the normal pressure between friction slip and the friction matrix, the second sheet metal beam 402-5 is the vertical biplate beam of placing, and is used to measure the friction force between friction slip and the friction matrix.Two positions of sheet metal beam between left contiguous block 402-1, middle contiguous block 402-2, right contiguous block 402-3 can exchange.
The load maintainer 4 of clamping friction slip 11 is fixed on the first three-dimensional manual displacement platform 2, move down and make friction slip 11 and the matrix 10 that rubs when contacting when rotation first three-dimensional manual displacement platform 2 handles drive load maintainer 4, the contact normal pressure is obtained in the first foil gauge 402-6 measurement on the first sheet metal beam 402-4 in the rub measurement sensor 402.When friction matrix 10 slides, because friction and stick-slip effect, friction slip 11 will the stick-slip motion occur in friction matrix 10 direction of motion, friction force is obtained in the second foil gauge 402-7 measurement on the second sheet metal beam 402-5 of rub measurement sensor 4, and the displacement signal of friction slip 11 is measured by contact pin type displacement transducer 5 and obtained.
Adopt the experimentation of above-mentioned frictional interface stick-slip characteristic on-line detection device to be described as follows: preliminary work before (1) experiment: experiment table is put up, one dimension electricity driving displacement platform via controller links to each other with computing machine, set the parameter (speed, distance) of stepper motor.Rub measurement sensor and contact pin type displacement transducer are linked on the computing machine through signal acquiring board, set sample frequency.
(2) experimentation: after beginning sampling earlier, rotate the first three-dimensional manual displacement platform handwheel again, making load maintainer slowly be displaced downwardly to friction slip contacts with the friction matrix, continue to be displaced downwardly to friction slip again and friction is loaded with certain load between the matrix, magnitude of load can be obtained be shown on the computing machine through signal acquiring board by first foil gauge on the rub measurement sensor.Then, the handwheel that rotates the second three-dimensional manual displacement platform makes the measurement syringe needle of contact pin type displacement transducer contact with friction slip and certain contraction is arranged.At this moment, start one-dimensional flow electricity driving displacement platform and drive matrix and slide block sliding contact.
Repeated test: after one dimension electricity driving displacement platform is walked full stroke, stop, rotate the second three-dimensional manual displacement platform handwheel this moment makes the measurement syringe needle of contact pin type displacement transducer separate with friction slip, load between unloading friction slip and the friction matrix is return one dimension electricity driving displacement platform to initial position.Then, continue experimentation (2) duplicate measurements.
Claims (2)
1. frictional interface stick-slip characteristic on-line detection device, it is characterized in that, comprise experiment table (1), be arranged on one dimension electricity driving displacement platform (8), the first three-dimensional manual displacement platform (2), the second three-dimensional manual displacement platform (7) on the experiment table (1), the described first three-dimensional manual displacement platform (2), the second three-dimensional manual displacement platform (7) lay respectively at one dimension electricity driving displacement platform (8) both sides;
Be fixed with the substrate clamp (9) of clamping friction matrix (10) on the described one dimension electricity driving displacement platform (8); Be fixed with the load maintainer (4) of clamping friction slip (11) on the described first three-dimensional manual displacement platform (2); Be fixed with jig (6) on the described second three-dimensional manual displacement platform (7), jig (6) is provided with the contact pin type displacement transducer (5) of measuring friction slip (11) displacement.
2. frictional interface stick-slip characteristic on-line detection device according to claim 1, it is characterized in that, described load maintainer (4) comprises protective sleeve (401), one end is fixed on the rub measurement sensor (402) in the protective sleeve (401), and the other end of rub measurement sensor (402) is fixed with the slide clamp (403) of clamping friction slip (11);
Contiguous block (402-2) in the middle of described rub measurement sensor (402) comprises; with the fixing left contiguous block (402-1) of protective sleeve (401); with the fixing right contiguous block (402-3) of slide clamp (403); left side contiguous block (402-1); middle contiguous block (402-2); be disposed with the first sheet metal beam (402-4) between the right contiguous block (402-3); the second sheet metal beam (402-5); the corresponding first sheet metal beam (402-4); second sheet metal beam (402-5) surface is pasted with first foil gauge (402-6) and second foil gauge (402-7); and in two sheet metal beams; a horizontal positioned, vertical a placement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201992637U CN201697862U (en) | 2010-05-21 | 2010-05-21 | Contact type friction interface stick-slip characteristic on-line detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201992637U CN201697862U (en) | 2010-05-21 | 2010-05-21 | Contact type friction interface stick-slip characteristic on-line detecting device |
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| Publication Number | Publication Date |
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| CN201697862U true CN201697862U (en) | 2011-01-05 |
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| CN2010201992637U Expired - Lifetime CN201697862U (en) | 2010-05-21 | 2010-05-21 | Contact type friction interface stick-slip characteristic on-line detecting device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832901A (en) * | 2010-05-21 | 2010-09-15 | 西安交通大学 | Contact-type frictional interface stick-slip characteristic on-line detection device |
| WO2013071806A1 (en) * | 2011-11-15 | 2013-05-23 | 中国商用飞机有限责任公司 | Device and method for measuring dynamic resistance coefficient of sealing element at different temperatures |
| CN106404662A (en) * | 2016-11-30 | 2017-02-15 | 清华大学 | Stick-slip testing apparatus with controllable driving rigidity |
| CN108693107A (en) * | 2018-08-01 | 2018-10-23 | 深圳创维－Rgb电子有限公司 | A kind of friction testing tooling |
| CN110095370A (en) * | 2019-05-20 | 2019-08-06 | 西安交通大学 | A kind of online dynamic vision polishing scratch analysis experimental provision and method |
| CN112683781A (en) * | 2021-01-15 | 2021-04-20 | 中国汽车工程研究院股份有限公司 | Air bag type energy storage mechanism of material friction abnormal sound test bed |
-
2010
- 2010-05-21 CN CN2010201992637U patent/CN201697862U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832901A (en) * | 2010-05-21 | 2010-09-15 | 西安交通大学 | Contact-type frictional interface stick-slip characteristic on-line detection device |
| CN101832901B (en) * | 2010-05-21 | 2012-01-04 | 西安交通大学 | Contact-type frictional interface stick-slip characteristic on-line detection device |
| WO2013071806A1 (en) * | 2011-11-15 | 2013-05-23 | 中国商用飞机有限责任公司 | Device and method for measuring dynamic resistance coefficient of sealing element at different temperatures |
| CN106404662A (en) * | 2016-11-30 | 2017-02-15 | 清华大学 | Stick-slip testing apparatus with controllable driving rigidity |
| CN106404662B (en) * | 2016-11-30 | 2019-02-05 | 清华大学 | The viscosity sliding test device for driving rigidity controllable |
| CN108693107A (en) * | 2018-08-01 | 2018-10-23 | 深圳创维－Rgb电子有限公司 | A kind of friction testing tooling |
| CN110095370A (en) * | 2019-05-20 | 2019-08-06 | 西安交通大学 | A kind of online dynamic vision polishing scratch analysis experimental provision and method |
| CN112683781A (en) * | 2021-01-15 | 2021-04-20 | 中国汽车工程研究院股份有限公司 | Air bag type energy storage mechanism of material friction abnormal sound test bed |
| CN112683781B (en) * | 2021-01-15 | 2024-03-12 | 中国汽车工程研究院股份有限公司 | Air bag type energy storage mechanism of material friction abnormal sound test bed |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110105 Effective date of abandoning: 20120104 |