CN203026013U - Multifunctional demonstrator for simple pendulum and Foucault pendulum - Google Patents
Multifunctional demonstrator for simple pendulum and Foucault pendulum Download PDFInfo
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- CN203026013U CN203026013U CN 201320020226 CN201320020226U CN203026013U CN 203026013 U CN203026013 U CN 203026013U CN 201320020226 CN201320020226 CN 201320020226 CN 201320020226 U CN201320020226 U CN 201320020226U CN 203026013 U CN203026013 U CN 203026013U
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- pendulum
- cycloid
- reducing motor
- foucault
- rotating disk
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Abstract
The utility model relates to a multifunctional demonstrator for a simple pendulum and a Foucault pendulum, which comprises a base, a turntable arranged on the base, a pendulum frame fixed on the turntable, and a simple pendulum device arranged on the swing frame, wherein the simple pendulum device comprises a pendulum wire clamp, a pendulum wire which is wound on the pendulum wire clamp, and a pendulum ball; and a pendulum wire suspension center is arranged above the center of the turntable. The multifunctional demonstrator is characterized in that a measuring tape device is further fixed on the side surface of the pendulum wire clamp; an angle gauge is further arranged on a part on the pendulum frame and close to the pendulum wire suspension center; the pendulum ball is detachably connected with the bottom of the pendulum wire; the demonstrator further comprises a speed reducing motor for respectively driving the turntable to rotate uniformly and the pendulum wire to lift; and the turntable is connected with the speed reducing motor for driving the turntable to rotate uniformly through a transmission device. The multifunctional demonstrator for the simple pendulum and the Foucault pendulum can finish single pendulum and Foucault pendulum demonstrative experiments, is multifunctional integrally, multipurpose, scientific to research variable control and effective in research process; students can visually understand the experiments; and the demonstrator is simple in structure, exquisite in appearance, easy and convenient to operate, high in accuracy degree and convenient to carry and store.
Description
Technical field
The utility model relates to a kind of teaching demonstration instrument, particularly a kind of multi-functional single pendulum, Foucault pendulum demonstration apparatus.
Background technology
At present, existing instrument for teaching demonstration, the corresponding experiment of a general instrument is probed into experiment by single pendulum demonstration device demonstration single pendulum, and by Foucault pendulum demonstration apparatus analog demenstration Foucault pendulum principle, function singleness is carried inconvenience, and is not easy to take in.Need a plurality of single pendulums to realize respectively probing into multifactor impact on period of single pendulum in the single pendulum lecture experiment, and need ruler, protractor etc. to be used for manual subsidiary, in the Foucault pendulum lecture experiment, dial rotation needs manually to realize, not only complex operation, and degree of accuracy is not high.
The utility model content
Fundamental purpose of the present utility model is the shortcoming that overcomes prior art, providing a kind of gathers multi-function in integral whole, reach the effect of one-object-many-purposes, and more scientific to the research Variable Control, research process is more effective, can make the student more directly perceived to the understanding that swings experiment, and simple in structure, exquisite appearance, easy and simple to handle, degree of accuracy is higher, more is easy to carry and multi-functional single pendulum, the Foucault pendulum demonstration apparatus taken in.
The utility model adopts following technical scheme:
a kind of multi-functional single pendulum, Foucault pendulum demonstration apparatus, include base, be arranged at the rotating disk on base, be fixed in the rocker on rotating disk and be arranged at simple pendulum device on rocker, described simple pendulum device includes the cycloid folder, be set around cycloid and swing ball on the cycloid folder, the cycloid suspension point is located at above center of turntable, described cycloid folder side also is fixed with tape device, also be provided with protractor near cycloid suspension point place on rocker, described swing ball is removably connected to bottom cycloid, also include and connect respectively the reducing motor that drives rotating disk uniform rotation and cycloid lifting, described rotating disk is connected in for the reducing motor that drives its uniform rotation by gearing.
Described rocker is formed with a vertical column and and is fixed in transverse holder on vertical column, and described vertical column is fixed in by securing member on the rocker holder that is formed at the rotating disk edge, and described transverse holder is fixed in vertical column top by securing member.
Be provided with on described rotating disk sidewall for the fixing screw of swing ball, described swing ball can be removably fixed on described screw by the screw hole that arranges thereon, and described cycloid end also is connected with a screw, and swing ball is removably fixed in the cycloid end.
Described swing ball includes the identical copper ball of diameter, an iron ball and an aluminium ball.
Described reducing motor includes for the first reducing motor that drives the rotating disk uniform rotation and for the second reducing motor that drives the cycloid lifting, and described the first reducing motor and the second reducing motor are connected with respectively a storage battery power supply device.
Also include the automatic control system that is connected in the first reducing motor, with the rotational time of self-regulating rotary dish.
Described base forms the annulus that is centered close on the center of turntable line, and described gearing includes the rubber ring that is connected in the first reducing motor central shaft, and described rubber ring and base annulus are tangent, can be because friction force realizes dial rotation by driving the rubber ring rotation.
The described cycloid other end passes a spacing hole and is fixed in a coiling rotating shaft, and this coiling rotating shaft is connected in the second reducing motor by the meshing gear device.
Described rotating disk adopts pmma material to make, and which is provided with the scale marker that distributes along even circumferential.
Described protractor can turn down between vertical and horizontality, also includes to be attached at large scale protractor on protractor by magnet, so that better observe pivot angle.
By above-mentioned to description of the present utility model as can be known, compared with prior art, the utlity model has following beneficial effect:
First, tape device, protractor are combined with single pendulum, can easy measurement cycloid length and the pivot angle size, use simultaneously identical copper ball, iron ball and the aluminium ball of size to test, need not a plurality of single pendulums, can realize that single factor probes into cycloid length, swing ball quality and pivot angle size to the impact of period of single pendulum, and swing ball is removably fixed in the cycloid end by screw, it is convenient to replace;
The second, can simulate earth rotation by dial rotation and demonstrate the Foucault pendulum principle;
The 3rd, can control cycloid length and rotating disk uniform rotation by the reducing motor fast and easy, simultaneously by automatic control system regulating rotary disc spins time easily;
In a word, the utility model gathers multi-function in integral whole, reach the effect of one-object-many-purposes, and more scientific to the research Variable Control, research process is more effective, can make the student more directly perceived to the understanding that swings experiment, and simple in structure, exquisite appearance, easy and simple to handle, degree of accuracy is higher, more is easy to carry and takes in.
Description of drawings
Fig. 1 is the one-piece construction side view of the utility model embodiment.
In figure: 1. base, 2. rotating disk, 20. rocker holder, 3. rockers, 30. vertical column, 31. transverse holder, 4. cycloid folder, 5. cycloid, 6. swing ball, 7. tape device, 8. protractor, 9. the first reducing motor, 10. the second reducing motor, 11. the large scale protractor, 12. screws, 13. storage battery power supply devices, 14. rubber ring, 15. coiling rotating shafts, 16. meshing gear devices.
Embodiment
Below the utility model will be further described by embodiment.
with reference to Fig. 1, a kind of multi-functional single pendulum of the present utility model, Foucault pendulum demonstration apparatus, include base 1, be arranged at the rotating disk 2 on base 1, be fixed in the rocker 3 on rotating disk 2 and be arranged at simple pendulum device on rocker 3, described simple pendulum device includes cycloid folder 4, be set around cycloid 5 and swing ball 6 on cycloid folder 4, cycloid 5 suspension points are located at rotating disk 2 centers tops, described cycloid 5 presss from both sides the side and also is fixed with tape device 7, also be provided with protractor 8 near cycloid 5 suspension point places on rocker 3, described swing ball 6 is removably connected to cycloid 5 bottoms, also include and connect the first reducing motor 9 that drives rotating disk 2 uniform rotation and connect the second reducing motor 10 that drives cycloid 5 liftings, described rotating disk 2 is connected in the first reducing motor 9 by gearing.Described rotating disk 2 adopts pmma material to make, and which is provided with the scale marker that distributes along even circumferential.Described protractor 8 can turn down between vertical and horizontality, also includes to be attached at large scale protractor 11 on protractor 8 by magnet, so that better observe pivot angle.
With reference to Fig. 1, described rocker 3 is formed with a vertical column 30 and and is fixed in transverse holder 31 on vertical column 30, described vertical column 30 is fixed in by securing member on the rocker holder 20 that is formed at rotating disk 2 edges, and described transverse holder 31 is fixed in vertical column 30 tops by securing member.
With reference to Fig. 1, be provided with on described rotating disk 2 sidewalls for the fixing screw 12 of swing ball 6, described swing ball 6 can be removably fixed on described screw 12 by the screw hole that arranges thereon, and described cycloid 5 ends also are connected with a screw 12, and swing ball 6 is removably fixed in cycloid 5 ends.Described swing ball 6 includes a copper ball, an iron ball and the aluminium ball that diameter is 2cm.
With reference to Fig. 1, described the first reducing motor 9 and the second reducing motor 10 are connected with respectively a storage battery power supply device 13.Also include the automatic control system that is connected in the first reducing motor 9, with the rotational time of self-regulating rotary dish 2.Described base 1 forms the annulus that is centered close on rotating disk 2 center lines, described gearing includes the rubber ring 14 that is connected in the first reducing motor 9 central shafts, described rubber ring 14 is tangent with base 1 annulus, rotates and can rotate because friction force realizes rotating disk 2 by driving rubber ring 14.Described cycloid 5 other ends pass a spacing hole and are fixed in a coiling rotating shaft 15, and this coiling rotating shaft 15 is connected in the second reducing motor 10 by meshing gear device 16.
Above-mentioned is only an embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.
Claims (10)
1. multi-functional single pendulum, Foucault pendulum demonstration apparatus, include base, be arranged at the rotating disk on base, be fixed in the rocker on rotating disk and be arranged at simple pendulum device on rocker, described simple pendulum device includes the cycloid folder, be set around cycloid and swing ball on the cycloid folder, the cycloid suspension point is located at above center of turntable, it is characterized in that: described cycloid presss from both sides the side and also is fixed with tape device, also be provided with protractor near cycloid suspension point place on rocker, described swing ball is removably connected to bottom cycloid, also include and connect respectively the reducing motor that drives rotating disk uniform rotation and cycloid lifting, described rotating disk is connected in for the reducing motor that drives its uniform rotation by gearing.
2. a kind of multi-functional single pendulum as claimed in claim 1, Foucault pendulum demonstration apparatus, it is characterized in that: described rocker is formed with a vertical column and and is fixed in transverse holder on vertical column, described vertical column is fixed in by securing member on the rocker holder that is formed at the rotating disk edge, and described transverse holder is fixed in vertical column top by securing member.
3. a kind of multi-functional single pendulum as claimed in claim 1, Foucault pendulum demonstration apparatus, it is characterized in that: be provided with on described rotating disk sidewall for the fixing screw of swing ball, described swing ball can be removably fixed on described screw by the screw hole that arranges thereon, described cycloid end also is connected with a screw, and swing ball is removably fixed in the cycloid end.
4. a kind of multi-functional single pendulum as claimed in claim 1, Foucault pendulum demonstration apparatus, it is characterized in that: described swing ball includes the identical copper ball of diameter, an iron ball and an aluminium ball.
5. a kind of multi-functional single pendulum as claimed in claim 1, Foucault pendulum demonstration apparatus, it is characterized in that: described reducing motor includes for the first reducing motor that drives the rotating disk uniform rotation and for the second reducing motor that drives the cycloid lifting, and described the first reducing motor and the second reducing motor are connected with respectively a storage battery power supply device.
6. a kind of multi-functional single pendulum as claimed in claim 5, Foucault pendulum demonstration apparatus, is characterized in that: also include the automatic control system that is connected in the first reducing motor, with the rotational time of self-regulating rotary dish.
7. a kind of multi-functional single pendulum as claimed in claim 6, Foucault pendulum demonstration apparatus, it is characterized in that: described base forms the annulus that is centered close on the center of turntable line, described gearing includes the rubber ring that is connected in the first reducing motor central shaft, described rubber ring and base annulus are tangent, can be because friction force realizes dial rotation by driving the rubber ring rotation.
8. a kind of multi-functional single pendulum as claimed in claim 5, Foucault pendulum demonstration apparatus is characterized in that: the described cycloid other end passes a spacing hole and is fixed in a coiling rotating shaft, and this coiling rotating shaft is connected in the second reducing motor by the meshing gear device.
9. a kind of multi-functional single pendulum as claimed in claim 1, Foucault pendulum demonstration apparatus is characterized in that: described rotating disk adopts pmma material to make, and which is provided with the scale marker that distributes along even circumferential.
10. a kind of multi-functional single pendulum as claimed in claim 1, Foucault pendulum demonstration apparatus, it is characterized in that: described protractor can turn down between vertical and horizontality, also include and to be attached at large scale protractor on protractor by magnet, so that better observe pivot angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020226 CN203026013U (en) | 2013-01-15 | 2013-01-15 | Multifunctional demonstrator for simple pendulum and Foucault pendulum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320020226 CN203026013U (en) | 2013-01-15 | 2013-01-15 | Multifunctional demonstrator for simple pendulum and Foucault pendulum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203026013U true CN203026013U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320020226 Expired - Lifetime CN203026013U (en) | 2013-01-15 | 2013-01-15 | Multifunctional demonstrator for simple pendulum and Foucault pendulum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203026013U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064077A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Simple pendulum experiment instrument |
| CN107945627A (en) * | 2017-09-30 | 2018-04-20 | 铜仁学院 | A kind of multi-functional single pendulum teaching test instrument |
| CN113053213A (en) * | 2019-12-26 | 2021-06-29 | 安徽春月科教设备有限公司 | Simple pendulum ball presentation device for physical teaching |
-
2013
- 2013-01-15 CN CN 201320020226 patent/CN203026013U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104064077A (en) * | 2014-06-25 | 2014-09-24 | 南宁市第二中学 | Simple pendulum experiment instrument |
| CN107945627A (en) * | 2017-09-30 | 2018-04-20 | 铜仁学院 | A kind of multi-functional single pendulum teaching test instrument |
| CN113053213A (en) * | 2019-12-26 | 2021-06-29 | 安徽春月科教设备有限公司 | Simple pendulum ball presentation device for physical teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130626 |