CN205194156U - Student is with friction force measuring device - Google Patents
Student is with friction force measuring device Download PDFInfo
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- CN205194156U CN205194156U CN201520971994.1U CN201520971994U CN205194156U CN 205194156 U CN205194156 U CN 205194156U CN 201520971994 U CN201520971994 U CN 201520971994U CN 205194156 U CN205194156 U CN 205194156U
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- buncher
- friction plate
- friction
- student
- fixed head
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Abstract
The utility model discloses a student is with friction force measuring device, including fixed plate, friction plate, slider, tensile force measurement appearance, spirit level, safety cover, carousel and buncher, the top fixed mounting of fixed plate has the friction plate, be provided with the slider on the friction plate, be provided with weight and recess on the slider, the hoop is connected through the couple with the tensile force measurement appearance, be provided with the scale mark on the tensile force measurement appearance, the tensile force measurement appearance passes through traction rope connection with the carousel, the carousel passes through the axis of rotation rotation with the buncher and is connected, the buncher passes through locking bolt fixed connection with the fixed plate, carousel and buncher setting are between safety cover and fixed plate. The utility model discloses the accessible changes the quality of weight on the slider, comes adjust the slider to the pressure of friction plate, changes the roughness of friction plate upper surface, the measurable quantity, and under the same pressure, different coarse planar frictional force, the buncher can change the size of horizontal pull.
Description
Technical field
The utility model relates to teaching experimental device technical field, is specially a kind of student's friction measurement device.
Background technology
And again what kind of relation relevant with those factors in the size of research friction force, it is the important teaching point of middle school physical experiment, by thing block is placed on horizonal base plate, hand-held dynamometer, thered is provided by hand and pull, rope yarn horizontal stripes animal body makes linear uniform motion, observe the reading on dynamometer simultaneously, it is exactly the friction force size that thing block is subject to, but, in an experiment, the pulling force manually provided is difficult to remain a constant speed, and the registration of dynamometer is in continuous change, be difficult to obtain exact value, traditional experiment, horizontal plank does not possess the size of several surfaceness, experimental facilities is sternly imperfect, be difficult to the demand meeting experiment.
Utility model content
The purpose of this utility model is to provide a kind of student's friction measurement device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of student's friction measurement device, comprise fixed head, friction plate, slide block, tension measuring appliance, level meter, protective cover, rotating disk and buncher, the top of described fixed head is installed with friction plate, and friction plate is provided with level meter, described friction plate is provided with slide block, described slide block is provided with counterweight and groove, and counterweight is placed in groove, the right side of described slide block is provided with iron hoop, described iron hoop is connected by linking up with tension measuring appliance, described tension measuring appliance is provided with scale mark, described tension measuring appliance is connected by traction rope with rotating disk, described rotating disk and buncher are rotationally connected by rotation axis, described buncher is fixedly connected with by clamping screw with fixed head, described rotating disk and buncher are arranged between protective cover and fixed head.
Preferably, described friction plate is provided with large uneven surface and little uneven surface, and large uneven surface is arranged on the top of little uneven surface.
Preferably, shock attenuation device is provided with between described buncher and fixed head.
Preferably, described protective cover is arranged on the right side of friction plate, and is fixed on fixed head.
Compared with prior art, the beneficial effects of the utility model are: this friction measurement device, by changing the quality of counterweight on slide block, carry out the pressure of adjusting slider to friction plate, change the roughness of friction plate upper surface, can measure, in uniform pressure situation, the friction force that different Rough Horizontal Plane produces, level meter ensures that equipment is in horizontality always, buncher can change the size of horizontal pull, ensure that slide block is doing horizontal linear uniform motion, scale mark on tension measuring appliance is convenient to the size of observing value of thrust, experiment is made to have more preciseness, equipment de-sign is reasonable, easy to use.
Accompanying drawing explanation
Fig. 1 is friction measurement device schematic diagram of the present utility model;
Fig. 2 is the vertical view of friction plate of the present utility model.
In figure: 1, fixed head, 2, friction plate, 21, large uneven surface, 22, little uneven surface, 3, slide block, 4, counterweight, 5, groove, 6, iron hoop, 7, hook, 8, tension measuring appliance, 9, scale mark, 10, level meter, 11, traction rope, 12, protective cover, 13, rotating disk, 14, rotation axis, 15, buncher, 16, clamping screw.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2, the utility model provides a kind of technical scheme: a kind of student's friction measurement device, comprise fixed head 1, friction plate 2, slide block 3, tension measuring appliance 8, level meter 10, protective cover 12, rotating disk 13 and buncher 15, the top of fixed head 1 is installed with friction plate 2, and friction plate 2 is provided with level meter 10, friction plate 2 is provided with slide block 3, slide block 3 is provided with counterweight 4 and groove 5, and counterweight 4 is placed in groove 5, the right side of slide block 3 is provided with iron hoop 6, iron hoop 6 is connected by hook 7 with tension measuring appliance 8, tension measuring appliance 8 is provided with scale mark 9, tension measuring appliance 8 is connected by traction rope 11 with rotating disk 13, rotating disk 13 and buncher 15 are rotationally connected by rotation axis 14, buncher 15 is fixedly connected with by clamping screw 16 with fixed head 1, rotating disk 13 and buncher 15 are arranged between protective cover 12 and fixed head 1, friction plate 2 is provided with large uneven surface 21 and little uneven surface 22, and large uneven surface 21 is arranged on the top of little uneven surface 22, shock attenuation device is provided with between buncher 15 and fixed head 1, protective cover 12 is arranged on the right side of friction plate 2, and be fixed on fixed head 1.
Principle of work: during use, by level meter 10, equipment is transferred to horizontality, slide block 3 is placed on friction plate 2, slide block 3 is fixedly connected with hook 7 by iron hoop 6 with tension measuring appliance 8, tension measuring appliance 8 is connected by traction rope 11 with rotating disk 13, slide block 3 is placed on little uneven surface 22 during beginning, the counterweight 4 of some is placed in groove 5, start buncher 15, ensure the pulling force that traction rope 11 provides, make sliding, 3 do horizontal linear uniform motion, the reading of record tension measuring appliance 8 high scale line 9, then under same pressure and pulling force situation, change friction, roughness on 2, large uneven surface 21 is tested, finally record experimental data, by the experimental data of record, and the calculating of formula, the size of the friction force under different condition can be obtained.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and improvement design thereof and replace or change, all should be encompassed in protection domain of the present utility model.
Claims (4)
1. student's friction measurement device, comprise fixed head (1), friction plate (2), slide block (3), tension measuring appliance (8), level meter (10), protective cover (12), rotating disk (13) and buncher (15), it is characterized in that: the top of described fixed head (1) is installed with friction plate (2), and friction plate (2) is provided with level meter (10), described friction plate (2) is provided with slide block (3), described slide block (3) is provided with counterweight (4) and groove (5), and counterweight (4) is placed in groove (5), the right side of described slide block (3) is provided with iron hoop (6), described iron hoop (6) is connected by linking up with (7) with tension measuring appliance (8), described tension measuring appliance (8) is provided with scale mark (9), described tension measuring appliance (8) is connected by traction rope (11) with rotating disk (13), described rotating disk (13) and buncher (15) are rotationally connected by rotation axis (14), described buncher (15) is fixedly connected with by clamping screw (16) with fixed head (1), described rotating disk (13) and buncher (15) are arranged between protective cover (12) and fixed head (1).
2. a kind of student's friction measurement device according to claim 1, it is characterized in that: described friction plate (2) is provided with large uneven surface (21) and little uneven surface (22), and large uneven surface (21) is arranged on the top of little uneven surface (22).
3. a kind of student's friction measurement device according to claim 1, is characterized in that: be provided with shock attenuation device between described buncher (15) and fixed head (1).
4. a kind of student's friction measurement device according to claim 1, is characterized in that: described protective cover (12) is arranged on the right side of friction plate (2), and is fixed on fixed head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971994.1U CN205194156U (en) | 2015-11-24 | 2015-11-24 | Student is with friction force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520971994.1U CN205194156U (en) | 2015-11-24 | 2015-11-24 | Student is with friction force measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205194156U true CN205194156U (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520971994.1U Expired - Fee Related CN205194156U (en) | 2015-11-24 | 2015-11-24 | Student is with friction force measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205194156U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931535A (en) * | 2016-07-11 | 2016-09-07 | 王效文 | Multifunctional comprehensive experiment system for physical teaching |
| CN106768519A (en) * | 2016-11-28 | 2017-05-31 | 临沂大学 | Frictional force and coefficient of friction experiment and measurement apparatus and measuring method |
| CN106898202A (en) * | 2017-04-24 | 2017-06-27 | 王国锋 | Integrate the experimental bench of physics teaching and Students ' Learning |
| CN108694878A (en) * | 2017-04-11 | 2018-10-23 | 李晓娜 | A kind of high school physics friction force demonstration device |
| CN109637296A (en) * | 2018-12-29 | 2019-04-16 | 贵州大学 | A kind of momentum theorem experimental provision for rational mechanics |
| CN109741665A (en) * | 2019-03-02 | 2019-05-10 | 马心乔 | A kind of physics experiment teaching friction testing system |
| CN109935141A (en) * | 2019-04-02 | 2019-06-25 | 田家地 | A kind of high school physics friction force demonstration device |
-
2015
- 2015-11-24 CN CN201520971994.1U patent/CN205194156U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931535A (en) * | 2016-07-11 | 2016-09-07 | 王效文 | Multifunctional comprehensive experiment system for physical teaching |
| CN105931535B (en) * | 2016-07-11 | 2018-11-13 | 潍坊科技学院 | One kind being used for physics teaching multifunctional comprehensive experimental system |
| CN106768519A (en) * | 2016-11-28 | 2017-05-31 | 临沂大学 | Frictional force and coefficient of friction experiment and measurement apparatus and measuring method |
| CN106768519B (en) * | 2016-11-28 | 2019-09-06 | 临沂大学 | Frictional force and coefficient of friction experiment and measuring device and measuring method |
| CN108694878A (en) * | 2017-04-11 | 2018-10-23 | 李晓娜 | A kind of high school physics friction force demonstration device |
| CN106898202A (en) * | 2017-04-24 | 2017-06-27 | 王国锋 | Integrate the experimental bench of physics teaching and Students ' Learning |
| CN106898202B (en) * | 2017-04-24 | 2019-07-05 | 温州翔达教仪有限公司 | Integrate the experimental bench of physics teaching and student's study |
| CN109637296A (en) * | 2018-12-29 | 2019-04-16 | 贵州大学 | A kind of momentum theorem experimental provision for rational mechanics |
| CN109741665A (en) * | 2019-03-02 | 2019-05-10 | 马心乔 | A kind of physics experiment teaching friction testing system |
| CN109935141A (en) * | 2019-04-02 | 2019-06-25 | 田家地 | A kind of high school physics friction force demonstration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20161124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |