CN2521611Y - Dynamic sliding friction factor testing instrument - Google Patents
Dynamic sliding friction factor testing instrument Download PDFInfo
- Publication number
- CN2521611Y CN2521611Y CN 02215247 CN02215247U CN2521611Y CN 2521611 Y CN2521611 Y CN 2521611Y CN 02215247 CN02215247 CN 02215247 CN 02215247 U CN02215247 U CN 02215247U CN 2521611 Y CN2521611 Y CN 2521611Y
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- China
- Prior art keywords
- plate
- adjustable plate
- friction factor
- tester
- receiving tube
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Abstract
Disclosed is a sliding dynamic friction factor tester. The utility model connects a baseboard with one end of an angularly adjustable plate via hinge, and the linkage point is mounted with an angle gage which can parallel move and can measure angles of inclination. An angularly adjustable connecting-rod is equipped between the baseboard and the other end of the angularly adjustable plate. The angularly adjustable plate is respectively arranged with a transmitting tube of a side board supported by an adjustable bracket of a spherical hinge and two light switches of a receiving tube of the other side board supported by a adjustable bracket, wherein output leads of the receiving tube are connected with an intelligent tester. A light trap frame of the utility model and the angularly adjustable plate are capable of respectively sticking or gripping materials for measuring a flexible body, thereby being capable of measuring dynamic friction factors of dissimilar objects. When having a tipping cup box, the utility model can measure the dynamic friction factors between particles having definite binding grains and certain material level. The light switches can be detached and erected on the angularly adjustable plate, the angle of the inclined plane can be adjusted by a rotational hand-wheel, and the measuring method of angles is easy. Through testing, the measuring and testing technique of the sliding dynamic friction factor can be known by students in inductive standpoint, thereby leading the teaching of the subject to generate vividness and activeness and receiving perfect effects.
Description
Technical field
The utility model relates to friction between the mechanical means test material because of the instrument of (being) number.
Background technology
Theoretical mechanics is a technical foundation class that theoretical property is stronger, is one of modern project technical foundation theory, has a wide range of applications in the field in many lives, engineering.As if the theory of this subject is more abstract, really grasps also difficulty, but its key concept, axiom, law, theorem, principle, idea about modeling etc. are very useful for research and development, processing Important Project, designing new product etc.Because the theoretical mechanics student because of there not being corresponding experiment, does not have perceptual knowledge when industry science student learns when the sliding friction factor is moved in study in the past, the effect of influence study.
Summary of the invention
The utility model can design can test two kinds of solids, flexible body, or moving sliding/friction factor tester between the particle of certain cohesive force is arranged.
Technical solutions of the utility model are as follows:
1) machinery can change travelling carriage: comprise base plate, and the angle adjustable connecting rod, the angle adjustable plate is equipped with two photogate of power valve and receiving tube, protractor respectively; One end of base plate and angle adjustable plate is hinged, and be equipped with at pin joint can translation and can measure the protractor at pitch angle, the angle adjustable connecting rod is housed between the other end of base plate and angle adjustable plate, the power valve and another side plate two photogate with the receiving tube of adjustable support supporting of side plate with the supporting of spherical hinge adjustable support is housed respectively on the angle adjustable plate, and the output lead of receiving tube connects intelligent tester;
2) intelligent tester: be the tester of time of existing intelligence, speed, acceleration movement amount.
The beneficial effects of the utility model:
1) flexible body can be pasted or clamp to light trap frame and angle adjustable plate respectively (between various shirt fabrics and various Western-style clothes underedge, or between various suit facing materials and the various overcoat underedge, between the various new and old banknotes etc.) material of test, can survey the dynamic friction factor of different objects like this; When having one to fall the cup box, can survey the dynamic friction factor (between urea and sheet metal) that has between certain cohesiveness particle and certain material face.
2) photogate is dismantled and assembled is installed on the angle adjustable plate, and the angle of dip plane can be regulated by rotating handwheel, and angle measurement method is easy.
By using the utility model can make the student know the measuring technology of moving sliding friction factor from perception, the teaching of this subject is brought vividly, vivaciously, can receive good effect.
Description of drawings
Fig. 1 is a structure principle chart of the present utility model;
Fig. 2 is a power valve spherical hinge adjustable support structural representation;
Fig. 3 is a receiving tube adjustable support structural representation;
Fig. 4 is that glass box top is arranged down is the light trap mount structure schematic diagram of hollow in the bottom;
Fig. 5 is that the bottom is the light trap mount structure schematic diagram of hollow for top, plane.
Embodiment
Moving sliding friction factor analyzer, its structure be as shown in Figure 1:
Machinery can change travelling carriage: comprise base plate 1, angle adjustable connecting rod 3 rotates handwheel 2 and drives the angle adjustable connecting rod 3 that is contained on the handwheel screw, can be with angle adjustable plate 4 jack-up or a certain angle that descends.Angle adjustable plate 4 is equipped with two photogate 7,10 of power valve 8,11 and receiving tube 6,9, protractor 12 respectively; One end of base plate 1 and angle adjustable plate 4 is hinged, and be equipped with at pin joint can translation and can measure the protractor 12 at pitch angle, angle adjustable connecting rod 3 is housed between the other end of base plate 1 and angle adjustable plate 4, side plate is housed with the power valve 8,11 of spherical hinge adjustable support supporting and another side plate two photogate 8,11 with the receiving tube 6,9 of adjustable support supporting on angle adjustable plate 4 respectively, the output lead of receiving tube 6,9 connects intelligent tester 14.
As shown in Figure 2, spherical hinge adjustable support: be in two power valves, 8,11 side plates, 15,16 holes, circular cone screw 17 to be housed respectively, with tightening up nut 19 circular cone screw 17 is fixed tightly on the side plate 15,16, cylindrical and tapered tread 17 spherical hinge 18 that interior circle matches and endoporus matches with power valve 8,11 are housed in the hole of circular cone screw 17, and tapered tread 17 after screwing with circular cone nut 20 is fixed spherical hinge.
As shown in Figure 3, adjustable support: be in two receiving tubes, 6,9 side plates, 21,22 holes, screw 23 to be housed respectively, screw 23 be fixed tightly on the side plate 21,22, tighten up receiving tube 6,9 is housed in nut 24 end-face holes with tightening up nut 24.
As Fig. 1, shown in Figure 4, the placement of falling in the cup box 26 in light trap frame 25 bottoms of hollow has certain cohesiveness particle such as expanded graphite, ammonium chloride, place tested material 13 on the angle adjustable plate 4 as steel plate, sheet metal, then can test the cohesiveness particle the dynamic friction factor f ' between the tested material.
As Fig. 1, shown in Figure 5, light trap frame 5 bottom surfaces of hollow such as steel plate, copper coin are placed tested material 13 again as copper coin, steel plate on angle adjustable plate 4, then can test steel plate to copper coin, steel plate to the dynamic friction factor f ' between the steel plate.
If: S
1Be logical electrical distance S between light trap frame both sides
1=5cm;
t
1Show the distance S when test specimen under the light trap frame is through first photoelectric tube on the-intelligent tester
1Time;
t
2Show the distance S when test specimen under the light trap frame is through second photoelectric tube on the-intelligent tester
1Time;
t
4＝t
3+1/2(t
2-t
1)；
t
3-from first photoelectric tube to the required time of the second photoelectric tube distance;
The angle adjustable plate that -tested material is fixed and the pitch angle of base plate;
G-acceleration of gravity.
After test obtains above-mentioned each data, the computing formula of the moving sliding friction factor of substitution following formula:
Get final product moving sliding friction factor.
Moving sliding friction factor between table 1 different materials
If to the moving sliding friction factor test between the new and old banknote of various differences on the paper money counter, this data help the some number of accurate banknote.
| Material | Static friction factor f | Dynamic friction factor f ' |
| Ammonium chloride is to sheet metal | 0.76-0.85 | ?0.46-0.60 |
| Expanded graphite is to steel plate | 0.19-0.20 | ?0.16-0.17 |
| Expanded graphite is to expanded graphite | 0.12-0.13 | ?0.11-0.12 |
| The steel plate of process sandblast is to steel plate | 0.58-0.72 | ?0.57-0.63 |
| Steel plate is to copper coin, and sandblast and NaCl corrode | 0.56-0.61 | ?0.41-0.43 |
| Mai Erdun is to camlet cloth | 0.60-0.63 | ?0.59-0.56 |
Claims (2)
1. moving sliding friction factor tester, it is composed as follows to it is characterized in that it comprising two parts:
1) machinery can change travelling carriage: comprise base plate [1], and angle adjustable connecting rod [3], angle adjustable plate [4] is equipped with power valve [8], [11] and receiving tube [6], two photogate [7] of [9], [10] respectively, protractor [12]; One end of base plate [1] and angle adjustable plate [4] is hinged, and be equipped with at pin joint can translation and can measure the protractor [12] at pitch angle, angle adjustable connecting rod [3] is housed between the other end of base plate [1] and angle adjustable plate [4], side plate is housed respectively on angle adjustable plate [4] uses power valve [8], [11] and another side plate of the supporting of spherical hinge adjustable support receiving tube [6], two photogate [8] of [9], [11] with the adjustable support supporting, the output lead of receiving tube [6], [9] connects intelligent tester [14];
2) intelligent tester [14]: be the tester of time of existing intelligence, speed, acceleration movement amount.
2. moving sliding friction factor tester according to claim 1 is characterized in that:
1) spherical hinge adjustable support: be in two power valves [8], [11] side plate [15], [16] hole, circular cone screw [17] to be housed respectively, with tightening up nut [19] circular cone screw [17] is fixed tightly on side plate [15], [16], cylindrical and the spherical hinge [18] that the interior circle of tapered tread [17] matches and endoporus matches with power valve [8], [11] are housed in the hole of circular cone screw [17], and tapered tread [17] after screwing with circular cone nut [20] is fixed spherical hinge;
2) adjustable support: be in two receiving tubes [6], [9] side plate [21], [22] hole, screw [23] to be housed respectively, screw [23] be fixed tightly on side plate [21], [22], tighten up in nut [24] end-face hole receiving tube [6], [9] are housed with tightening up nut [24].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02215247 CN2521611Y (en) | 2002-01-17 | 2002-01-17 | Dynamic sliding friction factor testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02215247 CN2521611Y (en) | 2002-01-17 | 2002-01-17 | Dynamic sliding friction factor testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2521611Y true CN2521611Y (en) | 2002-11-20 |
Family
ID=33694421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02215247 Expired - Fee Related CN2521611Y (en) | 2002-01-17 | 2002-01-17 | Dynamic sliding friction factor testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2521611Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328579C (en) * | 2005-07-07 | 2007-07-25 | 新疆农业大学水利与土木工程学院 | Non-granular material friction angle analyzer |
| CN101477032B (en) * | 2008-12-12 | 2011-02-09 | 深圳职业技术学院 | Apparatus for testing friction and self-locking |
| CN101839844B (en) * | 2010-05-11 | 2011-10-19 | 江苏牧羊集团有限公司 | Method for measuring factor of friction between ring mould and pressing roll of granulator and material |
| CN102226751A (en) * | 2011-04-02 | 2011-10-26 | 合肥工业大学 | Friction tester for dense granules |
| CN103323389A (en) * | 2013-04-10 | 2013-09-25 | 浙江工业大学 | Frictional force testing device of friction-free cylinder |
| CN103761909A (en) * | 2014-01-07 | 2014-04-30 | 蒋妍 | Trolley and sliding rail for physical experiment |
| CN103792186A (en) * | 2014-02-21 | 2014-05-14 | 西北农林科技大学 | Device for measuring friction coefficient of agricultural biomass plane |
| CN104020102A (en) * | 2014-06-18 | 2014-09-03 | 河南科技大学 | Device and method for measuring dynamic friction coefficients of surfaces of cereal grains and measuring method |
| CN104089874A (en) * | 2014-07-04 | 2014-10-08 | 北京工业大学 | Device for measuring flowing lubrication resistance reduction characteristic of grooved sliding block |
| CN104515457A (en) * | 2014-10-08 | 2015-04-15 | 东华大学 | Simple device for testing surface slide angles of fabrics |
| CN104914043A (en) * | 2015-06-18 | 2015-09-16 | 中国石油大学(华东) | Device for measuring adhesive force by quasi-static loading |
| CN105842161A (en) * | 2016-03-28 | 2016-08-10 | 盐城工学院 | Test device and test method for tensile and compression performance of cement among particles |
| CN106053325A (en) * | 2016-07-04 | 2016-10-26 | 山东科技大学 | Electrochemical corrosion experimental facility under effect of stress coupling |
| CN108680496A (en) * | 2018-05-29 | 2018-10-19 | 同济大学 | A kind of friction test device |
| CN108758303A (en) * | 2018-07-03 | 2018-11-06 | 佛山市易轩软件科技有限公司 | A kind of photoelectric door of multi-door structure |
| CN109085116A (en) * | 2018-11-08 | 2018-12-25 | 河北科技大学 | Friction coefficient tester and measuring method |
-
2002
- 2002-01-17 CN CN 02215247 patent/CN2521611Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1328579C (en) * | 2005-07-07 | 2007-07-25 | 新疆农业大学水利与土木工程学院 | Non-granular material friction angle analyzer |
| CN101477032B (en) * | 2008-12-12 | 2011-02-09 | 深圳职业技术学院 | Apparatus for testing friction and self-locking |
| CN101839844B (en) * | 2010-05-11 | 2011-10-19 | 江苏牧羊集团有限公司 | Method for measuring factor of friction between ring mould and pressing roll of granulator and material |
| CN102226751A (en) * | 2011-04-02 | 2011-10-26 | 合肥工业大学 | Friction tester for dense granules |
| CN103323389A (en) * | 2013-04-10 | 2013-09-25 | 浙江工业大学 | Frictional force testing device of friction-free cylinder |
| CN103761909A (en) * | 2014-01-07 | 2014-04-30 | 蒋妍 | Trolley and sliding rail for physical experiment |
| CN103792186A (en) * | 2014-02-21 | 2014-05-14 | 西北农林科技大学 | Device for measuring friction coefficient of agricultural biomass plane |
| CN104020102A (en) * | 2014-06-18 | 2014-09-03 | 河南科技大学 | Device and method for measuring dynamic friction coefficients of surfaces of cereal grains and measuring method |
| CN104089874A (en) * | 2014-07-04 | 2014-10-08 | 北京工业大学 | Device for measuring flowing lubrication resistance reduction characteristic of grooved sliding block |
| CN104515457A (en) * | 2014-10-08 | 2015-04-15 | 东华大学 | Simple device for testing surface slide angles of fabrics |
| CN104914043A (en) * | 2015-06-18 | 2015-09-16 | 中国石油大学(华东) | Device for measuring adhesive force by quasi-static loading |
| CN105842161A (en) * | 2016-03-28 | 2016-08-10 | 盐城工学院 | Test device and test method for tensile and compression performance of cement among particles |
| CN106053325A (en) * | 2016-07-04 | 2016-10-26 | 山东科技大学 | Electrochemical corrosion experimental facility under effect of stress coupling |
| CN106053325B (en) * | 2016-07-04 | 2019-05-21 | 山东科技大学 | A kind of experimental method carrying out electrochemical corrosion under stress coupling effect |
| CN108680496A (en) * | 2018-05-29 | 2018-10-19 | 同济大学 | A kind of friction test device |
| CN108758303A (en) * | 2018-07-03 | 2018-11-06 | 佛山市易轩软件科技有限公司 | A kind of photoelectric door of multi-door structure |
| CN109085116A (en) * | 2018-11-08 | 2018-12-25 | 河北科技大学 | Friction coefficient tester and measuring method |
| CN109085116B (en) * | 2018-11-08 | 2020-11-06 | 河北科技大学 | Method for measuring friction coefficient |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |