CN206991608U - A kind of single pendulum raceway physics demonstration device - Google Patents
A kind of single pendulum raceway physics demonstration device Download PDFInfo
- Publication number
- CN206991608U CN206991608U CN201720569413.0U CN201720569413U CN206991608U CN 206991608 U CN206991608 U CN 206991608U CN 201720569413 U CN201720569413 U CN 201720569413U CN 206991608 U CN206991608 U CN 206991608U
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- China
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- fixedly connected
- support
- cycloid
- demonstration device
- single pendulum
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Abstract
The utility model discloses a kind of single pendulum raceway physics demonstration device, including support and swing ball, the bottom of the support is fixedly connected with base, conduit has been respectively fixedly connected with left and right sides of the top of the support, cycloid is passed through in the conduit, the bottom of the cycloid is fixedly connected with swing ball, the top of the cycloid is wrapped on wire spool, the wire spool is fixed on knob, the mid-stent is fixedly connected with backboard, the both sides of the support are respectively arranged with lever, the bottom of the lever is fixedly connected on fix bar, the both ends of the fix bar are rotationally connected with support, it is fixedly connected in the middle part of the fix bar with one end of driving lever.The utility model can accurately control initial swing angle, facilitate look at the law of conservation of energy changing rule in swing process by the angle index on backboard, by changing the parameter such as cycloid length, initial swing angle successively, swaying movement regularity is studied respectively, it is vdiverse in function, it is simple to operate.
Description
Technical field
The utility model belongs to teaching demonstration device technical field, and in particular to a kind of single pendulum raceway physics demonstration device.
Background technology
At present, in physical teaching course, the experiment for single pendulum, will generally by swing ball timing at equilbrium position
Swing ball produces an angle with perpendicular, swing ball is deviateed perpendicular and swings to form circular cone swing, then records single pendulum
Number of oscillations, timer stops timing after defined number is reached, and the pendulum of single pendulum can be calculated according to the numerical value of timer
The dynamic cycle.Influence of the swing ball quality to the cycle, the relation and the relation in pivot angle and cycle of pendulum length and cycle can so be demonstrated
Deng.
Existing demonstration device can not demonstrate multiple swing balls simultaneously, and can not intuitively observe different pivot angles, different pendulum lengths
Influence of the swing ball to the cycle, reduces quality of instruction.
Utility model content
The purpose of this utility model is to provide a kind of single pendulum raceway physics demonstration device, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of single pendulum raceway physics demonstration device, bag
Support and swing ball are included, the bottom of the support is fixedly connected with base, is respectively fixedly connected with left and right sides of the top of the support
Have a conduit, pass through cycloid in the conduit, the bottom of the cycloid is fixedly connected with swing ball, the top of the cycloid be wrapped in around
On drum, the wire spool is fixed on knob, and the knob is fixed on support, and the mid-stent is fixedly connected with the back of the body
Plate, the both sides of the support are respectively arranged with lever, and the bottom of the lever is fixedly connected on fix bar, and the two of the fix bar
End is rotationally connected with support, is fixedly connected in the middle part of the fix bar with one end of driving lever.
Preferably, the lower surface of the base is fixedly connected with one layer of rubber antiskid layer.
Preferably, the bottom of the conduit is tapered, and the wire spool is provided with the groove for being used for being stored to cycloid, institute
State groove and conduit top be generally aligned in the same plane in.
Preferably, the scale for measuring cycloid length, the bright face of the backboard are equipped with the middle part of the backboard two sides
It is additionally provided with the scale for showing cycloid pivot angle.
Preferably, the both sides of the support are respectively arranged with chute, and the bottom of the chute is provided with spacing hole.
Preferably, the lever is provided with indentation, and the fix bar is provided at both ends with slideway, and it is fixed to be provided with the slideway
Position pin, the alignment pin are fixedly connected on draw ring by rope, and the slideway inner bottom part is provided with spring, the top of the alignment pin
It is spherical in shape, the alignment pin and the spacing hole grafting in chute.
Technique effect of the present utility model and advantage：The single pendulum raceway physics demonstration device, carved by the angle on backboard
Degree, can accurately control initial swing angle, facilitate look at the law of conservation of energy changing rule in swing process, pass through
Change the parameter such as cycloid length, initial swing angle successively, study swaying movement regularity respectively, it is vdiverse in function, it is simple to operate.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is side structure schematic view of the present utility model；
Fig. 3 is mplifying structure schematic diagram at A in Fig. 1 of the present utility model；
Fig. 4 is fixed rod structure schematic diagram of the present utility model；
Fig. 5 is sliding groove structure schematic diagram of the present utility model.
In figure：1 support, 2 levers, 3 driving levers, 4 backboards, 5 bases, 6 swing balls, 7 cycloids, 8 chutes, 9 knobs, 10 wire spools,
11 grooves, 12 conduits, 13 indentations, 14 fix bars, 15 alignment pins, 16 slideways, 17 springs, 18 ropes, 19 draw rings, 20 spacing holes.
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.
The utility model provides a kind of single pendulum raceway physics demonstration device as Figure 1-5, including support 1 and swing ball
6, the bottom of the support 1 is fixedly connected with base 5, and conduit 12 has been respectively fixedly connected with left and right sides of the top of the support 1,
Pass through cycloid 7 in the conduit 12, the bottom of the cycloid 7 is fixedly connected with swing ball 6, the top of the cycloid 7 be wrapped in around
On drum 10, the wire spool 10 is fixed on knob 9, and the knob 9 is fixed on support 1, and the middle part of support 1 is fixed to be connected
Backboard 4 is connected to, the both sides of the support 1 are respectively arranged with lever 2, and the bottom of the lever 2 is fixedly connected on fix bar 14, institute
The both ends for stating fix bar 14 are rotationally connected with support 1, and the middle part of fix bar 14 is fixedly connected with one end of driving lever 3.
Further, the lower surface of the base 5 is fixedly connected with one layer of rubber antiskid layer, improves device stability, prevents
Only the swing of swing ball 6 impacts to observation.
Further, the bottom of the conduit 12 is tapered, and the wire spool 10, which is provided with, is used for what cycloid 7 was stored
In the top of groove 11, the groove 11 and conduit 12 is generally aligned in the same plane, is advantageous to carry out folding and unfolding to cycloid 7, is easy to adjust
The length of cycloid 7.
Further, the scale for measuring the length of cycloid 7 is equipped with the middle part of the two sides of backboard 4, the backboard 4
Bright face is additionally provided with the scale for showing the pivot angle of cycloid 7, facilitates look at and measure length and the pivot angle change of cycloid 7,
Demonstrating effect is improved, is readily appreciated.
Further, the both sides of the support 1 are respectively arranged with chute 8, and the bottom of the chute 8 is provided with spacing hole
20。
Further, the lever 2 is provided with indentation 13, and the fix bar 14 is provided at both ends with slideway 16, the cunning
Alignment pin 15 is provided with road 16, the alignment pin 15 is fixedly connected on draw ring 19 by rope 18, and the inner bottom part of slideway 16 is set
There is spring 17, the top of the alignment pin 15 is spherical in shape, the alignment pin 15 and the grafting of spacing hole 20 in chute 8, passes through drawing
Dynamic draw ring 19, alignment pin 15 shrink, and by adjusting fix bar 14 up and down, and then change the height of lever 2.
Specifically, in use, after two swing balls 6 are promoted into identical height, unclamp simultaneously, effect of the swing ball 6 in gravity
Lower carry out periodic wobble, by pulling the alignment pin 15 of draw ring 19 to shrink, fix bar 14 is adjusted about 8 along chute to predetermined
Draw ring 19 is unclamped after height, alignment pin 15 is inserted in the spacing hole 20 in chute 8, and then changes the height of lever 2, rotating lever
3 so that driving lever 3 intercepts to the cycloid 7 in swing, by the angle index on backboard 4, can accurately control initial pendulum
Dynamic angle, facilitates look at the conservation of energy phenomenon in swing process.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Progress equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc.,
It should be included within the scope of protection of the utility model.
Claims (6)
1. a kind of single pendulum raceway physics demonstration device, including support (1) and swing ball (6), it is characterised in that：The support (1)
Bottom is fixedly connected with base (5), and conduit (12) has been respectively fixedly connected with left and right sides of the top of the support (1), described to lead
Cycloid (7) is passed through in pipe (12), the bottom of the cycloid (7) is fixedly connected with swing ball (6), the top winding of the cycloid (7)
On wire spool (10), the wire spool (10) is fixed on knob (9), and the knob (9) is fixed on support (1), described
Backboard (4) is fixedly connected with the middle part of support (1), the both sides of the support (1) are respectively arranged with lever (2), the lever (2)
Bottom is fixedly connected on fix bar (14), and the both ends of the fix bar (14) are rotationally connected with support (1), the fix bar (14)
Middle part is fixedly connected with the one end of driving lever (3).
A kind of 2. single pendulum raceway physics demonstration device according to claim 1, it is characterised in that：Under the base (5)
Surface is fixedly connected with one layer of rubber antiskid layer.
A kind of 3. single pendulum raceway physics demonstration device according to claim 1, it is characterised in that：The bottom of the conduit (12)
Portion is tapered, and the wire spool (10) is provided with the groove (11) for being used for being stored to cycloid (7), the groove (11) and conduit
(12) in top is generally aligned in the same plane.
A kind of 4. single pendulum raceway physics demonstration device according to claim 1, it is characterised in that：Backboard (4) two sides
Middle part be equipped with for measuring the scale of cycloid (7) length, the bright face of the backboard (4) is additionally provided with for showing cycloid
(7) scale of pivot angle.
A kind of 5. single pendulum raceway physics demonstration device according to claim 1, it is characterised in that：The two of the support (1)
Side is respectively arranged with chute (8), and the bottom of the chute (8) is provided with spacing hole (20).
A kind of 6. single pendulum raceway physics demonstration device according to claim 1, it is characterised in that：Set on the lever (2)
There is indentation (13), the fix bar (14) is provided at both ends with slideway (16), alignment pin (15), institute are provided with the slideway (16)
State alignment pin (15) and draw ring (19) is fixedly connected on by rope (18), slideway (16) inner bottom part is provided with spring (17), institute
State that the top of alignment pin (15) is spherical in shape, the alignment pin (15) and spacing hole (20) grafting in chute (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569413.0U CN206991608U (en) | 2017-05-22 | 2017-05-22 | A kind of single pendulum raceway physics demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720569413.0U CN206991608U (en) | 2017-05-22 | 2017-05-22 | A kind of single pendulum raceway physics demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991608U true CN206991608U (en) | 2018-02-09 |
Family
ID=61390941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720569413.0U Expired - Fee Related CN206991608U (en) | 2017-05-22 | 2017-05-22 | A kind of single pendulum raceway physics demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112085993A (en) * | 2020-09-22 | 2020-12-15 | 商洛学院 | Physical mechanical energy conservation experimental device |
| CN112309200A (en) * | 2019-08-02 | 2021-02-02 | 邢台医学高等专科学校 | Supplementary education and teaching device |
-
2017
- 2017-05-22 CN CN201720569413.0U patent/CN206991608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112309200A (en) * | 2019-08-02 | 2021-02-02 | 邢台医学高等专科学校 | Supplementary education and teaching device |
| CN112085993A (en) * | 2020-09-22 | 2020-12-15 | 商洛学院 | Physical mechanical energy conservation experimental device |
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Legal Events
| 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: 20180209 Termination date: 20190522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |