CN213582727U - Portable friction factor tester - Google Patents
Portable friction factor tester Download PDFInfo
- Publication number
- CN213582727U CN213582727U CN202022432686.5U CN202022432686U CN213582727U CN 213582727 U CN213582727 U CN 213582727U CN 202022432686 U CN202022432686 U CN 202022432686U CN 213582727 U CN213582727 U CN 213582727U
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- friction factor
- height
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- sliding
- portable friction
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- 239000004744 fabric Substances 0.000 claims abstract description 6
- 230000005484 gravity Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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Abstract
The utility model provides a portable friction factor apparatus, including slider, coasting mechanism includes the spacing buffer block of backup pad, one end and backup pad articulated slide, the altitude mixture control piece of regulation slide, restriction slider position that the bottom level set up, be equipped with a plurality of tracks on the slide. The invention has the advantages of simple design structure, easy production and manufacture, convenient experimental operation and strong intuition demonstration, can analyze the influence factors of the friction force by the change of the height of the sliding plate and the arrangement of the cloth with different roughness on the sliding plate, can be more intuitively displayed, and can measure the value of the maximum static friction force; through setting up a plurality of tracks, can more audio-visual test multiunit experimental data, improve experimental data's accuracy, also make the contrast experiment simultaneously conveniently.
Description
Technical Field
The utility model belongs to the technical field of physical teaching experimental device, concretely relates to portable friction factor apparatus.
Background
The force resisting the relative movement (or relative movement trend) of the object is called friction force, and the direction of the friction force is opposite to the direction of the relative movement (or relative movement trend) of the object; the friction force is divided into static friction force, rolling friction and sliding friction, when one object slides on the surface of the other object, friction for hindering the relative motion of the object and the object is generated between contact surfaces, namely the sliding friction, the sliding friction is related to the roughness of the contact surfaces and the pressure, and the larger the pressure is, the rougher the contact surfaces of the object are, the larger the generated sliding friction force is; in usual physical teaching, frictional force influence factors are usually explored through verifying the relation between the frictional force size and the degree of surface roughness and the gravity size, and the equipment that relates to this experiment at present is mostly fixed, and the regulation nature is poor, also singly organizes the single experiment moreover, and one experiment can only survey a set of data, and parameter data test verifies inconvenient, consuming time hard.
Disclosure of Invention
The utility model provides a portable friction factor apparatus, the audio-visual observation of the student of being convenient for and study can attract student's attention in the classroom, arouses the interest that the student initiatively studied.
The technical scheme of the utility model is that: the portable friction factor tester comprises a sliding block and a sliding mechanism, wherein the sliding mechanism comprises a supporting plate, a sliding plate, a height adjusting block and a limiting buffer block, the supporting plate is horizontally arranged at the bottom, one end of the sliding plate is hinged to the supporting plate, the height adjusting block is used for adjusting the height of the sliding plate, the limiting buffer block is used for limiting the position of the sliding block, and a plurality of tracks are arranged on the sliding plate.
The scheme is further that the track comprises a first track and a second track, and cloth with different roughness is paved on the first track and the second track.
The scheme is further that a plurality of weight mounting grooves are formed in the sliding block and used for adjusting the weight of the sliding block and verifying the influence of different gravities on friction.
The scheme is further, the bottom of altitude mixture control piece is articulated with backup pad upper surface, the altitude mixture control piece includes regulating block one, regulating block two and adjusting nut, the regulating block is established in regulating block two by one set and is fixed through adjusting nut.
The scheme is further that a folding placement groove is formed in the upper surface of the supporting plate, and the height adjusting block can be rotatably placed in the folding placement groove.
The scheme is further that width scales and a height gauge are arranged on the side face of the supporting plate, and the height gauge is connected with the supporting plate through a rotating shaft.
The scheme is further that a limiting part is arranged on the outer side of the height gauge, the limiting part is a 90-degree circular arc, and the limiting part limits the height gauge to rotate 90 degrees at the maximum.
The scheme is further that the limiting buffer block is made of rubber.
The utility model has the advantages that: the invention has the advantages of simple design structure, easy production and manufacture, convenient experimental operation and strong intuition demonstration, can analyze the influence factors of the friction force by the change of the height of the sliding plate and the arrangement of the cloth with different roughness on the sliding plate, can be more intuitively displayed, and can measure the value of the maximum static friction force; through setting up a plurality of tracks, can more audio-visual test multiunit experimental data, improve experimental data's accuracy, also make the contrast experiment simultaneously conveniently.
Drawings
FIG. 1 is a schematic structural view of the portable friction factor measuring device of the present invention;
FIG. 2 is a schematic view of the portable friction factor measuring device of the present invention showing the height gauge opened for use;
wherein: 1. the slide block, 2, weight mounting groove, 3, slide, 4, backup pad, 5, folding arrangement groove, 6, altitude mixture control piece, 7, adjusting nut, 8, locating part, 9, tongue, 10, spacing buffer block, 11, track one, 12, track two, 13, width scale.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which a person skilled in the art can, without any creative effort, fully implement the present invention.
The utility model discloses a concrete implementation mode is: as shown in fig. 1-2, the portable friction factor tester comprises a sliding block 1 and a sliding mechanism, wherein the sliding mechanism comprises a supporting plate 4, a sliding plate 3, a height adjusting block 6 and a limiting buffer block 10, the supporting plate 4 is horizontally arranged at the bottom of the sliding mechanism, one end of the sliding plate 3 is hinged to the supporting plate 4, the height adjusting block 6 is used for adjusting the height of the sliding plate 3, the limiting buffer block 10 is used for limiting the position of the sliding block 1, and a plurality.
The utility model discloses further, the track includes track one 11 and track two 12, track one 11 and two 12 upper berths in track are equipped with the cloth of different roughness, verify the relation of frictional force size and roughness degree, set up the cloth of the same roughness, but the simultaneous test multiunit data.
The utility model discloses further, be equipped with a plurality of weight mounting grooves 2 on the slider 1 for the influence of different gravity to friction is verified to the weight of adjusting block 1.
The utility model discloses further, the bottom of altitude mixture control piece 6 is articulated with 4 upper surfaces of backup pad, altitude mixture control piece 6 includes regulating block one, regulating block two and adjusting nut 7, the regulating block is one set established in regulating block two fixedly through adjusting nut 7, through adjusting different heights, the different angle of inclination of adjustable slide 3, the relation between test and the frictional force.
The utility model discloses further, the upper surface of backup pad 4 is equipped with folding standing groove 5, 6 rotatable folding standing grooves 5 of putting into of altitude mixture control piece, the convenience is folded whole device and is accomodate, portable.
The utility model discloses further, the side of backup pad 4 is equipped with width scale 13, tongue 9 is connected through the pivot with backup pad 4.
The utility model discloses further, the outside of tongue 9 is equipped with locating part 8, locating part 8 is 90 circular arcs, locating part 8 restriction tongue 9 is the biggest rotation 90.
The utility model discloses furtherly, spacing buffer block 10 is made for rubber.
While the preferred embodiments of the present invention have been described, it is to be understood that the invention is not limited to the precise embodiments described, and that equipment and structures not described in detail are understood to be practiced as commonly known in the art; any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention by those skilled in the art without departing from the technical solution of the present invention.
Claims (8)
1. The portable friction factor tester is characterized by comprising a sliding block and a sliding mechanism, wherein the sliding mechanism comprises a supporting plate, a sliding plate, a height adjusting block and a limiting buffer block, the supporting plate is horizontally arranged at the bottom, one end of the sliding plate is hinged to the supporting plate, the height adjusting block is used for adjusting the height of the sliding plate, the limiting buffer block is used for limiting the position of the sliding block, and a plurality of tracks are arranged on the sliding plate.
2. The portable friction factor tester according to claim 1, wherein the rail comprises a first rail and a second rail, and the first rail and the second rail are paved with cloth with different roughness.
3. The portable friction factor tester as claimed in claim 1, wherein the slider is provided with a plurality of weight mounting slots for adjusting the weight of the slider and verifying the influence of different gravities on friction.
4. The portable friction factor tester according to claim 1, wherein the bottom of the height adjusting block is hinged to the upper surface of the supporting plate, the height adjusting block comprises a first adjusting block, a second adjusting block and an adjusting nut, and the adjusting block is sleeved in the second adjusting block and fixed through the adjusting nut.
5. The portable friction factor tester as claimed in claim 1, wherein the support plate is provided at an upper surface thereof with a folding seating groove, and the height adjusting block is rotatably seated in the folding seating groove.
6. The portable friction factor tester as claimed in claim 1, wherein the supporting plate is provided with a width scale and a height gauge on the side surface, and the height gauge is connected with the supporting plate through a rotating shaft.
7. The portable friction factor tester according to claim 6, wherein a stopper is provided on an outer side of the height gauge, the stopper is a 90 ° arc, and the stopper restricts a maximum rotation of the height gauge by 90 °.
8. The portable friction factor tester as recited in claim 1, wherein the limit bumper is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432686.5U CN213582727U (en) | 2020-10-28 | 2020-10-28 | Portable friction factor tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022432686.5U CN213582727U (en) | 2020-10-28 | 2020-10-28 | Portable friction factor tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213582727U true CN213582727U (en) | 2021-06-29 |
Family
ID=76530212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022432686.5U Active CN213582727U (en) | 2020-10-28 | 2020-10-28 | Portable friction factor tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213582727U (en) |
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2020
- 2020-10-28 CN CN202022432686.5U patent/CN213582727U/en active Active
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