CN206805871U - A kind of high school physicses friction force demonstration contrast experiment's device - Google Patents
A kind of high school physicses friction force demonstration contrast experiment's device Download PDFInfo
- Publication number
- CN206805871U CN206805871U CN201720437956.7U CN201720437956U CN206805871U CN 206805871 U CN206805871 U CN 206805871U CN 201720437956 U CN201720437956 U CN 201720437956U CN 206805871 U CN206805871 U CN 206805871U
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- hang plate
- base box
- high school
- contrast experiment
- friction force
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Abstract
The utility model discloses a kind of high school physicses friction force demonstration contrast experiment's device, include base box, hang plate, support bar and sliding block, one end of hang plate is hinged in base box by rotating shaft, support bar is located between base box and hang plate, for adjusting the gradient of hang plate, support is provided with the other end of hang plate, pulley is installed on support, groove is provided with the surface of hang plate, friction plate is removably provided with a groove, sliding block is located on friction plate, spring tension meter is provided with the traction end of sliding block, spring tension meter is connected with a Counter weight metal block by draught line around pulley, angel measuring instrument is additionally provided with base box.Experimental provision described in the utility model have it is simple in construction, it is easy to use, it is vivid, it is practical, be easy to physics teaching, use easy to spread.
Description
Technical field
The utility model relates to senior middle school physics teaching equipment technical field, specifically a kind of high school physicses friction
Power demonstrates contrast experiment's device.
Background technology
In senior middle school physics teaching, lecture experiment is done in many cases, because physics is one based on experiment
Natural science, look back physics produce and development process, it can be seen that Physical Experiment all occupies of crucial importance from beginning to end
Status, either classical physics foundation and development, or the progress of modern physics is all closely bound up with Physical Experiment.
Physics teaching can be made to combine theory and practice together by experiment, cause students ' interest of study, guiding student excavates problem, excites it to ask
Know desire, learn the initiative and enthusiasm of physics well so as to transfer them, guide them to take a keen interest in science.By strengthening testing, no
Only student can be made to possess certain perceptual knowledge, it is often more important that student is further understood how physical concept and law are
Set up on experiment basis, so as to effectively help student to form concept, export rule, grasp is theoretical, correct and deep
Carve ground and understand physical knowledge.By test the observation ability of training student, thinking ability, self-learning ability and pinpoint the problems, point
Analysis problem and problem-solving ability；The good experimental method of training student and basic experimental ability and manipulative ability, and
And their capacity of working on one's own and innovation ability are further cultivated on this basis.
Frictional force is one of main knowledge point of senior middle school physics teaching, and frictional force is a kind of common physical phenomenon, two
The object contacted with each other, when relative motion occurs in they or has relative motion trend to be, a kind of resistance will be produced on the contact surface
Hinder the power of relative motion, this power is just called frictional force.In physical teaching course, on the content of courses of frictional force, teacher
It is typically necessary on classroom by some teaching aids to show the Mechanics Phenomenon of frictional force, using traditional experimental provision, artificially
Factor influences very big, so that teaching process underaction, and traditional experimental provision is unfavorable for using inconvenient
Students ' Learning and understanding, also need to teacher's survey tool of artificially taking for some numerical value and measure, waste time and energy, have impact on
Quality of instruction.In order to improve classroom teaching efficiency, the learning interest of student is lifted, experimental period is saved, allows student from perceptually
The principle of frictional force is fully understood and grasps, there is an urgent need to a kind of novel teaching aid to meet that teacher carries out demonstration explanation.
Utility model content
The technical problems to be solved in the utility model is for problem present in background technology, there is provided a kind of high school physicses
Friction force demonstration contrast experiment's device.
In order to solve the above technical problems, technical scheme is used by the utility model：A kind of high school physicses frictional force is drilled
Show contrast experiment's device, include base box, hang plate, support bar and sliding block, one end of the hang plate is hinged by rotating shaft
In base box, the support bar is arranged between base box and hang plate, for adjusting the gradient of hang plate, is inclined described
The other end of swash plate is provided with support, is provided with pulley on the bracket, groove is provided with the surface of the hang plate, in institute
State and friction plate is detachably provided with groove, the sliding block is located on friction plate, and the traction end of sliding block, which is provided with spring, to be drawn
Power meter, the spring tension meter are connected with a Counter weight metal block around pulley by draught line, also set in the base box
Angled measuring instrument.
Further, a kind of high school physicses friction force demonstration contrast experiment's device, wherein the base box is arranged to
Square structure with cavity body, the cavity physical efficiency accommodate the hang plate, are inlaid with the cavity body in the base box
Multiple magnet pieces.
Further, a kind of high school physicses friction force demonstration contrast experiment's device, wherein the support bar is to roll over
Flexible magnetic metal bar is folded, its top is hinged by rotary shaft and hang plate, bottom and the magnetic being embedded in the cavity body
Iron block is flexibly connected.
Further, a kind of high school physicses friction force demonstration contrast experiment's device, wherein in the Counter weight metal block
Upper surface be provided with placing the groove of counterweight.
It is convenient by support bar using a kind of high school physicses friction force demonstration contrast experiment's device described in the utility model
The angle of inclination of hang plate is adjusted, is set on hang plate fluted, different friction plates can be changed and tested, to obtain
Different frictional force demonstrates movement velocity, is easy to observation of students, and the factor of coefficient of friction can be influenceed with ocular demonstration, is easy to learn
Life is understood frictional force, is greatly enriched the vividness of teaching, is improved the efficiency of teaching in classroom.It is described in the utility model
Experimental provision have it is simple in construction, it is easy to use, it is vivid, it is practical, be easy to physics teaching, use easy to spread.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Shown in figure：1- base boxes, 2- hang plates, 3- rotary shafts, 4- support bars, 5- rotating shafts, 6- sliding blocks, 7- spring tensions
Meter, 8- draught lines, 9- supports, 10- pulleys, 11- Counter weight metals block, 12- grooves, 13- friction plates, 14- magnet pieces, 15- cavitys
Body, 16- angel measuring instruments.
Embodiment
As shown in figure 1, a kind of high school physicses friction force demonstration contrast experiment's device of the present utility model, includes base box
1st, hang plate 2, support bar 4 and sliding block 6, one end of the hang plate 2 are hinged in base box 1 by rotating shaft 5, the support bar
4 are arranged between base box 1 and hang plate 2, for adjusting the gradient of hang plate 2, are set in the other end of the hang plate 2
There is support 9, pulley 10 is installed on the support 9, groove 12 is provided with the surface of the hang plate 2, in the groove 12
In be detachably provided with friction plate 13, the sliding block 6 is located on friction plate 13, the traction end of sliding block 6 be provided with spring draw
Power meter 7, the spring tension meter 7 is connected with a Counter weight metal block 11 by draught line 8 around pulley 10, in the base box
Angel measuring instrument 16 is additionally provided with 1.
Further, a kind of high school physicses friction force demonstration contrast experiment's device, wherein the base box 1 is arranged to
Square structure with cavity body 15, the cavity body 15 can accommodate the hang plate 2, the cavity body 15 in the base box 1
In be inlaid with multiple magnet pieces 14.By the way that base box 1 is arranged into the square structure with cavity body 15, can so not need
When being tested, hang plate 2 can be placed in cavity body 15, be easy to teacher to carry, easy to use.
Further, a kind of high school physicses friction force demonstration contrast experiment's device, wherein the support bar 4 is to roll over
Flexible magnetic metal bar is folded, its top is be hinged by rotary shaft 3 and hang plate 2, and bottom is with being embedded in the cavity body 15
Magnet piece 14 be flexibly connected.By the way that support bar 4 to be arranged to the magnetic metal bar of foldable telescopic, test slider can be used for
6 on the friction plate 13 of identical roughness, the distance run with identical power in the case of differing tilt angles, with demonstration
Relation of the coefficient of friction with angle of inclination.
Further, a kind of high school physicses friction force demonstration contrast experiment's device, wherein in the Counter weight metal block
11 upper surface is provided with to place the groove of counterweight.By that can be used to place counterweight of different sizes with groove, to test cunning
Block 6 is on the friction plate 13 of identical roughness, the distance advanced with identical power in the case of different pressures, to demonstrate friction
Relation of the coefficient with different pressures.
In actual use, filled using a kind of high school physicses friction force demonstration contrast experiment described in the utility model
Put, by the angle of inclination of the convenient regulation hang plate 2 of support bar 4, fluted 12 are set on hang plate 2, difference can be changed
Friction plate 13 tested, demonstrate movement velocity to obtain different frictional force, be easy to observation of students, can be with ocular demonstration
The factor of coefficient of friction is influenceed, is easy to student to understand frictional force, is greatly enriched the vividness of teaching, improves classroom
Efficiency of teaching.Experimental provision described in the utility model have it is simple in construction, it is easy to use, it is practical, be easy to physics to teach
Learn, use easy to spread.
The scope of protection of the utility model is not limited only to the technical scheme disclosed in embodiment, the foregoing is only
Better embodiment of the present utility model, is not intended to limit the utility model, it is every according to the technical essence of the utility model to
Any trickle amendment, equivalent substitution and the improvement that upper embodiment is made, should be included in the protection of technical solutions of the utility model
Within the scope of.
Claims (4)
- A kind of 1. high school physicses friction force demonstration contrast experiment's device, it is characterised in that：Include base box (1), hang plate (2), support bar (4) and sliding block (6), one end of the hang plate (2) are hinged in base box (1) by rotating shaft (5), the branch Strut (4) is arranged between base box (1) and hang plate (2), for adjusting the gradient of hang plate (2), in the hang plate (2) the other end is provided with support (9), pulley (10) is provided with the support (9), on the surface of the hang plate (2) Provided with groove (12), friction plate (13) is detachably provided with the groove (12), the sliding block (6) is located at friction plate (13) on, the traction end of sliding block (6) is provided with spring tension meter (7), the spring tension meter (7) by draught line (8) around Cross pulley (10) and be connected with a Counter weight metal block (11), angel measuring instrument (16) is additionally provided with the base box (1).
- A kind of 2. high school physicses friction force demonstration contrast experiment's device according to claim 1, it is characterised in that：The bottom Seat box (1) is arranged to the square structure with cavity body (15), and the cavity body (15) can accommodate the hang plate (2), described Multiple magnet pieces (14) are inlaid with cavity body (15) in base box (1).
- A kind of 3. high school physicses friction force demonstration contrast experiment's device according to claim 2, it is characterised in that：The branch Strut (4) is the magnetic metal bar of foldable telescopic, and its top passes through rotary shaft (3) and hang plate（2）Be hinged, bottom is with inlaying Magnet piece (14) in the cavity body (15) is flexibly connected.
- A kind of 4. high school physicses friction force demonstration contrast experiment's device according to claim 1, it is characterised in that：Described The upper surface of Counter weight metal block (11) is provided with to place the groove of counterweight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437956.7U CN206805871U (en) | 2017-04-25 | 2017-04-25 | A kind of high school physicses friction force demonstration contrast experiment's device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720437956.7U CN206805871U (en) | 2017-04-25 | 2017-04-25 | A kind of high school physicses friction force demonstration contrast experiment's device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206805871U true CN206805871U (en) | 2017-12-26 |
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ID=60733621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720437956.7U Expired - Fee Related CN206805871U (en) | 2017-04-25 | 2017-04-25 | A kind of high school physicses friction force demonstration contrast experiment's device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206805871U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039108A (en) * | 2017-12-28 | 2018-05-15 | 南京方易日辰电子科技有限公司 | A kind of basis compaction degree demonstration equipment |
| CN108847092A (en) * | 2018-07-10 | 2018-11-20 | 李明朗 | Experimental provision is used in the study of high school physics frictional force |
| CN109036018A (en) * | 2018-09-12 | 2018-12-18 | 郑云天 | A kind of physical mechanics apparatus for demonstrating |
| CN109166419A (en) * | 2018-10-08 | 2019-01-08 | 管以雍 | A kind of physics teaching friction experiment device |
| CN109637296A (en) * | 2018-12-29 | 2019-04-16 | 贵州大学 | A kind of momentum theorem experimental provision for rational mechanics |
| CN112927586A (en) * | 2021-01-29 | 2021-06-08 | 刘子琦 | Fixed pulley assembly for physical experiment |
-
2017
- 2017-04-25 CN CN201720437956.7U patent/CN206805871U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039108A (en) * | 2017-12-28 | 2018-05-15 | 南京方易日辰电子科技有限公司 | A kind of basis compaction degree demonstration equipment |
| CN108847092A (en) * | 2018-07-10 | 2018-11-20 | 李明朗 | Experimental provision is used in the study of high school physics frictional force |
| CN108847092B (en) * | 2018-07-10 | 2020-03-31 | 李明朗 | Experimental device for high school physics friction mechanics is learnt |
| CN109036018A (en) * | 2018-09-12 | 2018-12-18 | 郑云天 | A kind of physical mechanics apparatus for demonstrating |
| CN109166419A (en) * | 2018-10-08 | 2019-01-08 | 管以雍 | A kind of physics teaching friction experiment device |
| CN109637296A (en) * | 2018-12-29 | 2019-04-16 | 贵州大学 | A kind of momentum theorem experimental provision for rational mechanics |
| CN112927586A (en) * | 2021-01-29 | 2021-06-08 | 刘子琦 | Fixed pulley assembly for physical experiment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 |