CN109975203A - A kind of coefficient of friction detection device - Google Patents
A kind of coefficient of friction detection device Download PDFInfo
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- CN109975203A CN109975203A CN201711464995.7A CN201711464995A CN109975203A CN 109975203 A CN109975203 A CN 109975203A CN 201711464995 A CN201711464995 A CN 201711464995A CN 109975203 A CN109975203 A CN 109975203A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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Abstract
The present invention provides a kind of coefficient of friction detection devices, the device includes being set to the friction head being oppositely arranged on same axis, the sample is set between the friction head and vertical with the axis, and described device includes universal tensile detection machine, the pedestal being fixedly connected with the monitor station of the universal tensile detection machine, connect respectively with the pedestal and the opposite sleeve that is open；One end of the friction head is respectively arranged in the sleeve；It is additionally provided with pressure sensor in one of sleeve and pressure adjusts component；The pressure sensor is connect with the friction head；The sample is connect with the fixture of tension arm one end of the universal tensile detection machine.The device can realize the detection for carrying out coefficient of friction in the case of different pressures, different pulling force and different movement speeds to certain material sample, pass through the coefficient of friction data under different situations, can the performance to material comprehensively assessed, corresponding accurate guidance also can provide for its application.
Description
Technical field
The present invention relates to a kind of detection devices, and in particular to a kind of coefficient of friction detection device.
Background technique
With the development of economy and social progress, more and more precision control receives people's in production and living
Favor, and such case is especially apparent in the industrial production.In current industrial production, precision control, intelligent production, nothing
People's operation etc. reaches its maturity, these high-quality precision and sophisticated technologies depend on accurate data basis mostly.Therefore in modern industry, for material
The detection of material, the parameter of equipment, data etc. be it is most important, cannot be neglected.The parameter aspect of material is various, type is complicated,
In-depth study is required for each parameter.
Coefficient of friction be influence metal plate and belt stamping formabilily an important factor for, coefficient of friction is lower, metal plate and belt at
Shape is better, so coefficient of friction is the important input parameter of Sheet Metal Forming Technology producer.Currently, Sheet Metal Forming Technology personnel measure gold
Belong to coefficient of friction principle such as Fig. 1 and following formula:
F=F/ (2*N),
Wherein f is coefficient of friction, F is pulling force, N is the pressure applied to sample；
Practice have shown that coefficient of friction is the current friction coefficient measuring apparatus as pressure N and sliding speed V change
Do not account for the influence of pressure N and sliding speed V to testing result, thus design one can measure in different pressures N and
The device of coefficient of friction under sliding speed V is necessary.
Summary of the invention
In view of the deficiencies of the prior art, the applicant devises a kind of coefficient of friction detection device；The device can be realized not
The detection for carrying out coefficient of friction in the case of same pressure, different pulling force and different movement speeds to certain material sample, passes through difference
In the case of coefficient of friction data, can the performance to material comprehensively assessed, its application also can provide corresponding
Accurate guidance.
The purpose of the present invention is what is realized by following technical proposals:
The present invention provides a kind of coefficient of friction detection device, which includes being set on same axis to be oppositely arranged
Friction head, the sample be set to the friction head between and it is vertical with the axis, described device include universal tensile detection machine, with
Pedestal that the monitor station of the universal tensile detection machine is fixedly connected is connect with the pedestal and the opposite sleeve that is open respectively；
One end of the friction head is respectively arranged in the sleeve；
It is additionally provided with pressure sensor in one of sleeve and pressure adjusts component；The pressure sensor with it is described
Friction head connection；
The sample is connect with the fixture of tension arm one end of the universal tensile detection machine.
Preferably, it includes the spring in the sleeve and the force through the sleeve bottom that the pressure, which adjusts component,
Component；The both ends of the spring are connect with the friction head and the force component respectively.
Preferably, the force component includes the force application board connecting with the spring and for adjusting the force Board position
Position-limit mechanism；The side of the force application board is connect with the inner wall of the sleeve respectively.
Preferably, the position-limit mechanism includes the screw rod for connecting and running through the bottom of the sleeve with the force application board；Institute
Sleeve bottom is stated for having internal screw thread in the perforative hole of the screw rod；The external screw thread of the internal screw thread and the screw rod matches.
Preferably, the position-limit mechanism includes the connecting rod for connecting and running through the bottom of the sleeve with the force application board；Institute
It states connecting rod and is evenly provided with multiple parallel slots；The end wall of the sleeve is equipped with and the matched bolt of the slot, institute
It is inserted into the slot when stating the inserted link stretching of bolt.
Preferably, the slot is respectively arranged in the vertical diameter of the connecting rod:
The slot is respectively arranged on the upper end of the vertical diameter of the connecting rod, sets above the vertical diameter of the end wall
There is vertical bolt；
The slot is respectively arranged on the lower end of the vertical diameter of the connecting rod, sets below the vertical diameter of the end wall
There is vertical bolt；
The slot be respectively separated be set to the connecting rod vertical diameter top and bottom, the end wall it is vertical
Above diameter and it is respectively arranged below with vertical bolt；
The slot respectively two-by-two set on the both ends of the vertical diameter of the connecting rod, the vertical diameter of the end wall it is upper
Just and it is respectively arranged below with vertical bolt.
Preferably, the screw rod and the lateral ends of the connecting rod are separately connected rotating bar or rotation normal thereto
Wheel.
Preferably, the lateral inner section of the sleeve is identical as the transversal cross-section of the friction head；And the friction head
Transversal cross-section is rounded.
Preferably, the lateral inner section of the sleeve is identical as the transversal cross-section of the friction head；And the friction head
Transversal cross-section is in polygon.
Preferably, the coaxial and lateral outer cross section of described two sleeves is identical.
Preferably, the sample is that rectangular slab is band-like.
Preferably, it is connected between the outer end face of the friction head and its side wall by circular arc line.
Preferably, the fixture includes the collet that the number of the axisymmetrical setting about tension arm is even number；The folder
Head is rotatablely connected with the lower end of the tension arm respectively.
Preferably, the fixture includes the collet that the number of the axisymmetrical setting about tension arm is even number；The folder
Head is rotatablely connected with the lower end of the tension arm respectively.
Compared with closest to the prior art, the beneficial effects of the present invention are:
1, technical solution provided by the invention may be implemented by two coaxial friction heads in two opposite sleeves
Pressure is applied to sample, and component is adjusted by pressure and can be realized the regulation and control of pressure size, the indicating value of pressure can also
Enough read by pressure sensor；Pulling force and movement speed for sample can also be adjusted by universal tensile testing machine；And
The two is adjusted independently of each other, unrestricted each other；It is such then different pressures, different pulling force and Bu Tong mobile fast can be achieved
The detection for carrying out coefficient of friction to certain material sample in the case of degree can be right by the coefficient of friction data under different situations
The performance of material is comprehensively assessed, and also can provide corresponding accurate guidance for its application.
2, technical solution provided by the invention adjusts the friction head to the pressure of sample by spring and limiting device,
And the spiral limit of screw rod is respectively adopted for limiting device and the bolt of connecting rod limits, two kinds of forms can be accurately to pressure
Power is adjusted.Spring can not only make provided by range of pressure values expand, and can buffer sample it is mobile when caused by
The horizontal jitter of friction head, and then guarantee is provided to the accuracy of testing result.
3, technical solution provided by the invention, the outer wall of the friction head are connect with the inner wall of the sleeve, can be effective
Friction head displacement in the radial direction is prevented, the stabilization of pressure value and accurate can be increased.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1: the schematic diagram of testing friction coefficient；
Fig. 2: the structure chart of detection device provided by the invention；
Appended drawing reference: 1- universal tensile testing machine, 2- testing stand, 3- tension arm, 4- fixture, 5- sample, 6- pedestal, 7-
One sleeve, 8- second sleeve, the first friction head of 9-, the second friction head of 10-, 11- pressure sensor, 12- spring, 13- force version,
14- screw rod, 15- rotating bar.
Specific embodiment
Below with reference to the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Ground description.
Embodiment 1
The present invention provides a kind of coefficient of friction detection device, described device includes the test with universal tensile testing machine 1
The pedestal 6 of the connection of platform 2, the first sleeve 7 and second sleeve 8 for being connect respectively with the pedestal 6 and being open opposite；
The first friction head 9 is equipped in the first sleeve 7；
The second friction head 10,11 and of pressure sensor are successively arranged from opening to the direction at bottom in described second set same 8
Pressure adjusts component；
The outer wall of first friction head 9 is connect with the inner wall of the first sleeve 7, the outer wall of second friction head 10
It is connect with the inner wall of the second sleeve 8；
First friction head 9 and second friction head 10 are coaxial；First friction head 9 and second friction head
Gap between 10 is for being arranged sample 5；The sample 5 is vertical with the axis of the friction head, the sample 5 with it is described omnipotent
The fixture 4 of 3 one end of pulling force wall of tension tester 1 connects.
It includes spring 12 in the second sleeve 8 and through 8 bottom of second sleeve that the pressure, which adjusts component,
Force component；The both ends of the spring 12 are connect with second friction head 10 and the force component respectively.
The force component includes the force application board 13 connecting with the spring 12 and for adjusting 13 position of force application board
Position-limit mechanism；The side of the force application board 13 is connect with the inner wall of the second sleeve 8 respectively.
The position-limit mechanism includes the screw rod 14 for connecting and running through the bottom of the second sleeve 8 with the force application board 13；
On 8 bottom of second sleeve for having internal screw thread in the perforative hole of the screw rod；The internal screw thread is outer with the screw rod
Screw thread matches.
The lateral ends of the screw rod connect rotating bar 15 or rotating wheel normal thereto.
The lateral inner section of the first sleeve 7 is identical as the transversal cross-section of first friction head 9, the second sleeve
8 lateral inner section is identical as the transversal cross-section of second friction head 10；And first friction head 9 and described second rubs
First 10 transversal cross-section is rounded.
The first sleeve 7 outer cross section coaxial and lateral with second sleeve 8 is identical；Interior section of the first sleeve 7
Face area is less than the area of the inner section of the second sleeve 8.
The sample 5 is that rectangular slab is band-like.
It is connected between first friction head 9 and the outer end face and its side wall of second friction head 10 by circular arc line.
The fixture 4 includes that the number of the axisymmetrical setting about tension arm is the collet of even number；The collet difference
It is rotatablely connected with the lower end of the tension arm.
Embodiment 2
The present invention provides a kind of coefficient of friction detection device, described device includes the test with universal tensile testing machine 1
The pedestal 6 of the connection of platform 2, the first sleeve 7 and second sleeve 8 for being connect respectively with the pedestal 6 and being open opposite；
The first friction head 9 is equipped in the first sleeve 7；
The second friction head 10,11 and of pressure sensor are successively arranged from opening to the direction at bottom in described second set same 8
Pressure adjusts component；
The outer wall of first friction head 9 is connect with the inner wall of the first sleeve 7, the outer wall of second friction head 10
It is connect with the inner wall of the second sleeve 8；
First friction head 9 and second friction head 10 are coaxial；First friction head 9 and second friction head
Gap between 10 is for being arranged sample 5；The sample 5 is vertical with the axis of the friction head, the sample 5 with it is described omnipotent
The fixture 4 of 3 one end of pulling force wall of tension tester 1 connects.
It includes spring 12 in the second sleeve 8 and through 8 bottom of second sleeve that the pressure, which adjusts component,
Force component；The both ends of the spring 12 are connect with second friction head 10 and the force component respectively.
The force component includes the force application board 13 connecting with the spring 12 and for adjusting 13 position of force application board
Position-limit mechanism；The side of the force application board 13 is connect with the inner wall of the second sleeve 8 respectively.
The position-limit mechanism includes the connecting rod for connecting and running through the bottom of the second sleeve 8 with the force application board 13；Institute
It states connecting rod and is evenly provided with multiple parallel slots；The end wall of the sleeve is equipped with and the matched bolt of the slot, institute
It is inserted into the slot when stating the inserted link stretching of bolt；The connecting rod is inwardly promoted or is pulled out to increased or decrease pressure
Value, while being inserted into slot using bolt and connecting rod is positioned to realize the holding to pressure；For axial adjacent slot
Between spacing, its spacing is bigger, then pressure adjust it is sensitiveer.
The slot is respectively arranged in the vertical diameter of the connecting rod, and following manner can be used and carry out setting for slot position
Meter:
1) slot is respectively arranged on the upper end of the vertical diameter of the connecting rod, the top of the vertical diameter of the end wall
Equipped with vertical bolt；
2) slot is respectively arranged on the lower end of the vertical diameter of the connecting rod, the lower section of the vertical diameter of the end wall
Equipped with vertical bolt；
3) slot is set to the top and bottom of the vertical diameter of the connecting rod with being respectively separated, and the end wall erects
Above straight diameter and it is respectively arranged below with vertical bolt；
4) slot is set to the both ends of the vertical diameter of the connecting rod two-by-two respectively, the vertical diameter of the end wall
Above and below be respectively equipped with vertical bolt.
The lateral ends of the connecting rod are separately connected rotating bar or rotating wheel normal thereto.
The lateral inner section of the first sleeve 7 is identical as the transversal cross-section of first friction head 9, the second sleeve
8 lateral inner section is identical as the transversal cross-section of second friction head 10；And first friction head 9 and described second rubs
First 10 transversal cross-section is rounded or polygon.
The first sleeve 7 outer cross section coaxial and lateral with second sleeve 8 is identical；Interior section of the first sleeve 7
Face area is less than the area of the inner section of the second sleeve 8.
The test specimens to be checked 5 are that rectangular slab is band-like.
It is connected between first friction head 9 and the outer end face and its side wall of second friction head 10 by circular arc line.
The fixture 4 includes that the number of the axisymmetrical setting about tension arm is the collet of even number；The collet difference
It is rotatablely connected with the lower end of the tension arm.
Finally it should be noted that: described embodiment is only some embodiments of the present application, rather than whole realities
Example is applied, based on the embodiment in the application, those skilled in the art are obtained without making creative work
All other embodiment, shall fall in the protection scope of this application.
Claims (13)
1. a kind of coefficient of friction detection device, which includes being set to the friction head being oppositely arranged on same axis, the examination
Sample is set between the friction head and vertical with the axis, which is characterized in that described device includes universal tensile detection machine and institute
Pedestal that the monitor station of universal tensile detection machine is fixedly connected is stated, is connect respectively with the pedestal and the opposite sleeve that is open；
One end of the friction head is respectively arranged in the sleeve；
It is additionally provided with pressure sensor in one of sleeve and pressure adjusts component；The pressure sensor and the friction
Head connection；
The sample is connect with the fixture of tension arm one end of the universal tensile detection machine.
2. a kind of coefficient of friction detection device according to claim 1, which is characterized in that the pressure adjusts component and includes
Spring in the sleeve and the force component through the sleeve bottom；The both ends of the spring respectively with the friction head
It is connected with the force component.
3. a kind of coefficient of friction detection device according to claim 2, which is characterized in that the force component includes and institute
State the force application board of spring connection and the position-limit mechanism for adjusting the force Board position；The side of the force application board respectively with it is described
The inner wall of sleeve connects.
4. a kind of coefficient of friction detection device according to claim 3, which is characterized in that the position-limit mechanism includes and institute
State force application board connection and the screw rod through the bottom of the sleeve；The sleeve bottom is for having interior spiral shell in the perforative hole of the screw rod
Line；The external screw thread of the internal screw thread and the screw rod matches.
5. a kind of coefficient of friction detection device according to claim 3, which is characterized in that the position-limit mechanism includes and institute
State force application board connection and the connecting rod through the bottom of the sleeve；The connecting rod is evenly provided with multiple parallel slots；Institute
The end wall for stating sleeve is equipped with to be inserted into the slot when stretching out with the matched bolt of the slot, the inserted link of the bolt.
6. a kind of coefficient of friction detection device according to claim 5, which is characterized in that the slot is respectively arranged on described
In the vertical diameter of connecting rod:
The slot is respectively arranged on the upper end of the vertical diameter of the connecting rod, and the top of the vertical diameter of the end wall is equipped with perpendicular
Straight bolt；
The slot is respectively arranged on the lower end of the vertical diameter of the connecting rod, and the lower section of the vertical diameter of the end wall is equipped with perpendicular
Straight bolt；
The slot is set to the top and bottom of the vertical diameter of the connecting rod, the vertical diameter of the end wall with being respectively separated
Above and below be respectively equipped with vertical bolt；
The slot respectively two-by-two set on the both ends of the vertical diameter of the connecting rod, the top of the vertical diameter of the end wall and
It is respectively arranged below with vertical bolt.
7. a kind of coefficient of friction detection device according to claim 4 or 5, which is characterized in that the screw rod and described
The lateral ends of connecting rod are separately connected rotating bar or rotating wheel normal thereto.
8. a kind of coefficient of friction detection device according to claim 4 or 5, which is characterized in that in the transverse direction of the sleeve
Section is identical as the transversal cross-section of the friction head；And the transversal cross-section of the friction head is rounded.
9. a kind of coefficient of friction detection device according to claim 5, which is characterized in that the lateral inner section of the sleeve
It is identical as the transversal cross-section of the friction head；And the transversal cross-section of the friction head is in polygon.
10. a kind of coefficient of friction detection device according to claim 1, which is characterized in that described two sleeves it is coaxial and
Lateral outer cross section is identical.
11. a kind of coefficient of friction detection device according to claim 1, which is characterized in that the sample is rectangular slab band
Shape.
12. a kind of coefficient of friction detection device according to claim 1, which is characterized in that the outer end face of the friction head
It is connect between its side wall by circular arc line.
13. a kind of coefficient of friction detection device according to claim 1, which is characterized in that the fixture includes about drawing
The number of the axisymmetrical setting of the arm of force is the collet of even number；The collet is rotatablely connected with the lower end of the tension arm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464995.7A CN109975203B (en) | 2017-12-28 | 2017-12-28 | Friction coefficient detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464995.7A CN109975203B (en) | 2017-12-28 | 2017-12-28 | Friction coefficient detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109975203A true CN109975203A (en) | 2019-07-05 |
| CN109975203B CN109975203B (en) | 2022-03-18 |
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ID=67075210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711464995.7A Active CN109975203B (en) | 2017-12-28 | 2017-12-28 | Friction coefficient detection device |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112881279A (en) * | 2021-01-12 | 2021-06-01 | 中铝材料应用研究院有限公司 | Plate friction coefficient testing device and method |
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| CN205941312U (en) * | 2016-08-08 | 2017-02-08 | 中山市鸿勋机械有限公司 | Friction coefficient test appearance |
| CN107271306A (en) * | 2017-07-27 | 2017-10-20 | 西南科技大学 | It is a kind of to carry drawing, the friction-wear detecting apparatus of press mechanism and method of testing |
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|---|---|---|---|---|
| CN1815172A (en) * | 2006-02-21 | 2006-08-09 | 中国建筑材料科学研究院 | Friction-wear detecting apparatus |
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| CN101975745A (en) * | 2010-10-28 | 2011-02-16 | 哈尔滨工业大学 | Metal foil plate micro-forming friction factor testing device |
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