CN207134019U - A kind of physics teaching single pendulum - Google Patents
A kind of physics teaching single pendulum Download PDFInfo
- Publication number
- CN207134019U CN207134019U CN201720829812.6U CN201720829812U CN207134019U CN 207134019 U CN207134019 U CN 207134019U CN 201720829812 U CN201720829812 U CN 201720829812U CN 207134019 U CN207134019 U CN 207134019U
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- CN
- China
- Prior art keywords
- take
- pulley
- cycloid
- swing ball
- teaching aid
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Abstract
The utility model discloses a kind of physics teaching single pendulum, including parts such as teaching aid framework, take-up pulley, cycloid, reverse wheel, cycloid spacing collar, swing ball, ideal movements simulator, standby swing ball containing box, motion calculation display screens, the teaching aid frame interior space side is provided with take-up pulley, cycloid is wound with take-up pulley, for cycloid by two reverse wheels being fixed in teaching aid framework framework, the cycloid spacing collar that cycloid is then passed through being fixed on teaching aid frame roof frame center fixes swing ball.This teaching aid can directly display while simple harmonic motion is shown to student, the simple harmonic motion of perfect condition and simple harmonic motion is set to be unable to reach the related physical quantity of perfect condition, this teaching aid can change initial experiment data by the very much not swing ball of homogenous quantities such as changing or adjusting cycloid length by take-up pulley simultaneously so that the calculating of the related physical quantity for the influence simple harmonic motion being basically unchanged is more accurate.
Description
Technical field
A kind of physics teaching aid is the utility model is related to, specifically a kind of physics teaching single pendulum.
Background technology
In regular senior secondary school's physics teaching course at this stage, when doing experiment with simple pendulum, generally single pendulum ball is tied with iron stand
Experiment with simple pendulum is done, there is exact operations are not easy, data determination error is big, and no normal direction student shows the physics for influenceing simple harmonic motion
The defects of amount.
Utility model content
The purpose of this utility model is to provide a kind of physics teaching single pendulum, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the utility model provides following technical scheme：
A kind of physics teaching single pendulum, including teaching aid framework, take-up pulley, cycloid, reverse wheel, laser detector fixed mount,
Laser detector probe, cycloid spacing collar, swing ball, ideal movements simulator, standby swing ball containing box, motion calculation are shown
Screen, take-up wheel support, take-up pulley swing handle, take-up wheel shaft, take-up pulley kinking part and cycloid system ring, the teaching aid frame
Frame inner space side is provided with take-up pulley, and cycloid is wound with take-up pulley, and cycloid is fixed on teaching aid framework framework by two
Interior reverse wheel, cycloid are then passed through being fixed on the cycloid spacing collar of teaching aid frame roof frame center, final cycloid system
On the cycloid system ring being fixed on swing ball, a laser detector fixed mount is fixed respectively in the movement locus both sides of cycloid,
Some laser detector probes are distributed with laser detector fixed mount, teaching aid framework lower section is hollow, is divided into three spaces, point
Not An Fang ideal movements simulator, standby swing ball containing box and motion calculation display screen, wherein during standby swing ball containing box is located at
Between position, ideal movements simulator and motion calculation display location in standby swing ball containing box both sides.
As further program of the utility model：The take-up pulley includes take-up wheel support, take-up pulley swing handle, received
Line wheel rotary shaft and take-up pulley kinking part, wherein take-up wheel support fix take-up wheel shaft, take-up pulley by two bearings
Rotary axle box is connected between take-up pulley kinking components interior, take-up wheel shaft and take-up pulley kinking part by keyway,
Take-up pulley swing handle is fixed with take-up wheel shaft, take-up pulley swing handle there are two kinds pattern, respectively take-up pulley to be present
Swing handle parallel to take-up pulley kinking part rotation mode and take-up pulley swing handle perpendicular to take-up pulley kinking part
Fixed mode.
As the utility model further scheme：The cycloid cross-sectional area is 1mm2, from strip length on cycloid
Unit scales.
As the utility model further scheme：The single investigative range of the laser detector probe is smaller, if
The movement locus of swing ball is completely covered in the investigative range that dry laser detector probe joint is intersected.
As the utility model further scheme：The swing ball is solid by several are equal in magnitude, material is different
Bead is formed, and when carrying out single pendulum Physical Experiment, unnecessary swing ball is placed in standby swing ball containing box.
Compared with prior art, the beneficial effects of the utility model are：
This teaching aid can directly display while simple harmonic motion is shown to student, the simple harmonic motion of perfect condition and make
Simple harmonic motion is unable to reach the related physical quantity of perfect condition, while this teaching aid can be by the swing balls of very much not homogenous quantities such as changing
Or cycloid length is adjusted to change initial experiment data by take-up pulley so that the correlative for the influence simple harmonic motion being basically unchanged
The calculating of reason amount is more accurate.
Brief description of the drawings
Fig. 1 is the structural representation of physics teaching single pendulum.
Fig. 2 is the inside upward view figure of physics teaching single pendulum.
Fig. 3 is the structural representation of take-up pulley in physics teaching single pendulum.
Fig. 4 is the structural representation of swing ball in physics teaching single pendulum.
In figure：Teaching aid framework 1, take-up pulley 2, cycloid 3, reverse wheel 4, laser detector fixed mount 5, laser detector probe
6th, cycloid spacing collar 7, swing ball 8, ideal movements simulator 9, standby swing ball containing box 10, motion calculation display screen 11, take-up
Wheel support 21, take-up pulley swing handle 22, take-up wheel shaft 23, take-up pulley kinking part 24 and cycloid system ring 81.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1~4, in the utility model embodiment, a kind of physics teaching single pendulum, including teaching aid framework 1, take-up
Wheel 2, cycloid 3, reverse wheel 4, laser detector fixed mount 5, laser detector probe 6, cycloid spacing collar 7, swing ball 8, ideal
Motion simulator 9, standby swing ball containing box 10, motion calculation display screen 11, take-up wheel support 21, take-up pulley swing handle 22,
Take-up wheel shaft 23, take-up pulley kinking part 24 and cycloid system ring 81, the inner space side of teaching aid framework 1 are provided with receipts
Line wheel 2, cycloid 3 is wound with take-up pulley 2, cycloid 3 passes through two reverse wheels 4 being fixed in the framework of teaching aid framework 1, cycloid 3
It is then passed through being fixed on the cycloid spacing collar 7 of the top frame center of teaching aid framework 1, final cycloid 3, which ties up to, is fixed on swing ball 8
On cycloid system ring 81 on, fix a laser detector fixed mount 5, laser acquisition respectively in the movement locus both sides of cycloid 3
Some laser detector probes 6 are distributed with device fixed mount 5, the lower section of teaching aid framework 1 is hollow, is divided into three spaces, pacifies respectively
Ideal movements simulator 9, standby swing ball containing box 10 and motion calculation display screen 11 are put, wherein standby swing ball containing box 10 is located at
Centre position, ideal movements simulator 9 and motion calculation display screen 11 are located at the standby both sides of swing ball containing box 10.
The take-up pulley 2 twines including take-up wheel support 21, take-up pulley swing handle 22, take-up wheel shaft 23 and take-up pulley
Line part 24, wherein take-up wheel support 21 fix take-up wheel shaft 23 by two bearings, and take-up wheel shaft 23 is enclosed on receipts
Inside line wheel kinking part 24, connected between take-up wheel shaft 23 and take-up pulley kinking part 24 by keyway, in take-up pulley
Take-up pulley swing handle 22 is fixed with rotary shaft 23, take-up pulley swing handle 22 there are two kinds pattern, respectively take-up pulley to be present
Swing handle 22 parallel to take-up pulley kinking part 24 rotation mode and take-up pulley swing handle 22 perpendicular to take-up pulley kinking
The fixed mode of part 24.
The cross-sectional area of cycloid 3 is 1mm2, and long measure scale is carried on cycloid 3.
The single investigative range of the laser detector probe 6 is smaller, and the joint of several laser detectors probe 6 is intersected
The movement locus of swing ball is completely covered in investigative range.
The swing ball 8 is made up of the solid bead that several are equal in magnitude, material is different, when carrying out single pendulum Physical Experiment,
Unnecessary swing ball is placed in standby swing ball containing box 10.
Operation principle of the present utility model is：
According to teaching demand, suitable swing ball 8 is selected, is hitched by cycloid 3, the length of cycloid 3 is adjusted by take-up pulley 2,
Fixed take-up pulley 2 makes the length of cycloid 3 constant, gives swing ball 8 one initial driving forces, moves observation of students swing ball 8, while preferable
The initial motion state for the swing ball 8 that motion simulator 9 measures according to laser detector probe 6, and the cycloid that take-up pulley 2 is released
3 length, 8 due forms of motion of simulation gedanken experiment state swing ball, and displaying it, the then root of motion calculation display screen 11
The initial motion state of the swing ball 8 measured according to laser detector probe 6, the motion amplitude of swing ball 8, the decreasing value and take-up pulley of speed
2 length of cycloid 3 released calculate the correlation values such as present air resistance and shown.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (5)
1. a kind of physics teaching single pendulum, including teaching aid framework (1), take-up pulley (2), cycloid (3), reverse wheel (4), laser acquisition
It is device fixed mount (5), laser detector probe (6), cycloid spacing collar (7), swing ball (8), ideal movements simulator (9), standby
Swing ball containing box (10), motion calculation display screen (11) and cycloid system ring (81), it is characterised in that in the teaching aid framework (1)
Portion space side is provided with take-up pulley (2), and cycloid (3) is wound with take-up pulley (2), and cycloid (3) is fixed on teaching aid by two
Reverse wheel (4) in framework (1) framework, cycloid (3) are then passed through being fixed on the cycloid of frame center at the top of teaching aid framework (1)
Spacing collar (7), final cycloid (3) is tied up on the cycloid system ring (81) being fixed on swing ball (8), in the motion rail of cycloid (3)
A laser detector fixed mount (5) is fixed in mark both sides respectively, and some laser acquisitions are distributed with (5) in laser detector fixed mount
Device is popped one's head in (6), hollow below teaching aid framework (1), is divided into three spaces, lays ideal movements simulator (9), standby pendulum respectively
Ball containing box (10) and motion calculation display screen (11), wherein standby swing ball containing box (10) is centrally located, ideal movements
Simulator (9) and motion calculation display screen (11) are located at standby swing ball containing box (10) both sides.
2. physics teaching single pendulum according to claim 1, it is characterised in that the take-up pulley (2) includes take-up pulley branch
Frame (21), take-up pulley swing handle (22), take-up wheel shaft (23) and take-up pulley kinking part (24), wherein take-up wheel support
(21) take-up wheel shaft (23) is fixed by two bearings, take-up wheel shaft (23) is enclosed in take-up pulley kinking part (24)
Portion, it is connected between take-up wheel shaft (23) and take-up pulley kinking part (24) by keyway, on take-up wheel shaft (23)
Take-up pulley swing handle (22) is fixed with, take-up pulley swing handle (22) there are two kinds pattern, respectively take-up pulley turning handle to be present
Hand (22) parallel to take-up pulley kinking part (24) rotation mode and take-up pulley swing handle (22) perpendicular to take-up pulley kinking
The fixed mode of part (24).
3. physics teaching single pendulum according to claim 1, it is characterised in that the cross-sectional area of the cycloid (3) is 1mm
2, carry long measure scale on cycloid (3).
4. physics teaching single pendulum according to claim 1, it is characterised in that the list of the laser detector probe (6)
Individual investigative range is smaller, and the motion rail of swing ball is completely covered in the investigative range that several laser detectors probe (6) joint is intersected
Mark.
5. physics teaching single pendulum according to claim 1, it is characterised in that the swing ball (8) is by several size phases
Deng the different solid bead composition of, material, when carrying out single pendulum Physical Experiment, unnecessary swing ball is placed on standby swing ball containing box
(10) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720829812.6U CN207134019U (en) | 2017-07-11 | 2017-07-11 | A kind of physics teaching single pendulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720829812.6U CN207134019U (en) | 2017-07-11 | 2017-07-11 | A kind of physics teaching single pendulum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134019U true CN207134019U (en) | 2018-03-23 |
Family
ID=61633654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720829812.6U Expired - Fee Related CN207134019U (en) | 2017-07-11 | 2017-07-11 | A kind of physics teaching single pendulum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207134019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461017A (en) * | 2018-05-08 | 2018-08-28 | 佛山拾念科技有限公司 | A kind of physics teaching simple pendulum device |
| CN108711347A (en) * | 2018-08-29 | 2018-10-26 | 广东海翔教育科技有限公司 | A kind of physical mechanics teaching single pendulum demonstration apparatus |
-
2017
- 2017-07-11 CN CN201720829812.6U patent/CN207134019U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461017A (en) * | 2018-05-08 | 2018-08-28 | 佛山拾念科技有限公司 | A kind of physics teaching simple pendulum device |
| CN108711347A (en) * | 2018-08-29 | 2018-10-26 | 广东海翔教育科技有限公司 | A kind of physical mechanics teaching single pendulum demonstration apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180323 Termination date: 20190711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |