CN2854734Y - Magnetic suspension and recoil motion tester - Google Patents
Magnetic suspension and recoil motion tester Download PDFInfo
- Publication number
- CN2854734Y CN2854734Y CN 200520136778 CN200520136778U CN2854734Y CN 2854734 Y CN2854734 Y CN 2854734Y CN 200520136778 CN200520136778 CN 200520136778 CN 200520136778 U CN200520136778 U CN 200520136778U CN 2854734 Y CN2854734 Y CN 2854734Y
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- China
- Prior art keywords
- lever
- magnet
- magnets
- recoil
- magnetic suspension
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Abstract
An experimental instrument of magnetic suspension and recoil movement involves a physics teaching experimental device in particular for demonstrating magnetic suspension and recoil movement. An experimental device for visually and lucidly demonstrating magnetic suspension and recoil movement is provided. The experimental device comprises bracket, lever, at least two magnets, and balancing weight. The lever and magnets are fitted on axis of the bracket; the lever is disposed above the magnets, and freely rotates around axis of the bracket; among the magnets, at least one magnet has pole opposite to the pole(s) of other magnet(s) and is disposed above the other magnet(s); and the balancing weight is disposed at one end of the lever. In demonstration, balloons or firecrackers can be disposed on the other end of the lever. Through action of magnets with opposite poles on the lever, the important physical phenomenon and principle of magnetic suspension can be visually demonstrated; moreover, by deflating the balloon or simulating rocket launch with the firecracker, the important physical phenomenon and principle of recoil movement can be visually demonstrated.
Description
Technical field
The utility model relates to a kind of physics teaching experiment device, especially relates to a kind of physics teaching experiment device of demonstrating magnetic levitation and recoil.
Background technology
Magnetic levitation and recoil are important physical phenomenons, but there is not this quasi-instrument in the existing Ministry of Education of the state " middle school science apparatus preparation catalogue ", the Physical Education Teacher does not have corresponding experimental facilities or demonstration instrument in corresponding teaching, the teacher is not easy to illustrate the principles of science of magnetic levitation and recoil directly perceived, easy-to-understandly.
Summary of the invention
The purpose of this utility model is at not having this quasi-instrument in the existing Ministry of Education of the state " middle school science apparatus preparation catalogue ", the student is not easy to understand on the classroom and the problem of grasping physical phenomenon such as magnetic levitation and recoil and the principles of science directly perceived, easy-to-understandly, and a kind of experimental provision that can demonstrate magnetic levitation and recoil is provided directly perceived, easy-to-understandly.
Said magnetic levitation of the utility model and recoil experiment instrument are provided with support, lever, at least 2 magnets and counterweight, lever and magnet are enclosed within on the support shaft, lever is positioned at the magnet top, lever rotates freely around support shaft, the magnetic pole that in magnet, has the magnetic pole of 1 magnet and other magnets at least oppositely and be positioned at above other magnets, counterweight is located at an end of lever.During experimental demonstration, balloon or firecrackers etc. can be located at the other end of lever.
Support can be established carrier base, and the bottom of the support shaft of support is installed on the carrier base.Superposed magnet is established 1, and the reversed polarity magnet that is positioned at the bottom is established 1 at least.Counterweight is an adjustable counter balance, and said adjustable counter balance is meant the adjustable positions of counterweight on lever, and counterweight and bar thick stick can be spirally connected.Can establish pointer at lever and support shaft junction, to show the equilibrium position of lever.
Said magnet can be selected cylindrical magnet for use.
By the effect of opposite polarity magnet to lever, the utility model can be demonstrated this important physical phenomena of magnetic levitation and principle intuitively; Can demonstrate this important physical phenomena of recoil and principle intuitively by the deflation course of balloon or by means such as firecrackers simulated rocket emissions again.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Following examples will be further described the utility model in conjunction with the accompanying drawings.
Referring to Fig. 1, the support of said magnetic levitation of the utility model and recoil experiment instrument is provided with carrier base 1 and support shaft 2, on the support shaft 2 from down under be inserted in 3,1 reversed polarity cylindrical magnet 4 of 4 cylindrical magnets and lever 5, end establishing at lever 5 weighs 6, counterweight 6 is spirally connected with lever 5, so that regulate counterweight 6, can establish support bar or pallet at the other end of lever 5, so that support balloon 7 or firecrackers in the position of lever 5 one ends.
Can establish pointer (not drawing in the drawings) in lever 5 and support shaft 2 junctions, to show the equilibrium position of lever 5.
Claims (7)
1, magnetic levitation and recoil experiment instrument, it is characterized in that being provided with support, lever, at least 2 magnets and counterweight, lever and magnet are enclosed within on the support shaft, lever is positioned at the magnet top, lever rotates freely around support shaft, the magnetic pole that in magnet, has the magnetic pole of 1 magnet and other magnets at least oppositely and be positioned at above other magnets, counterweight is located at an end of lever.
2, magnetic levitation as claimed in claim 1 and recoil experiment instrument is characterized in that propping up and set up carrier base and support shaft, and the bottom of support shaft is installed on the carrier base.
3, magnetic levitation as claimed in claim 1 and recoil experiment instrument, the magnetic pole that it is characterized in that in magnet, having the magnetic pole of 1 magnet and other magnets oppositely and be positioned at above other magnets, the reversed polarity magnet that is positioned at the bottom is established 1 at least.
4, magnetic levitation as claimed in claim 1 and recoil experiment instrument is characterized in that counterweight is an adjustable counter balance.
5, magnetic levitation as claimed in claim 4 and recoil experiment instrument is characterized in that counterweight and bar thick stick are spirally connected.
6, magnetic levitation as claimed in claim 2 and recoil experiment instrument is characterized in that establishing pointer at lever and support shaft junction.
7,, it is characterized in that said magnet is a cylindrical magnet as claim 1 or 3 described magnetic levitation and recoil experiment instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136778 CN2854734Y (en) | 2005-11-29 | 2005-11-29 | Magnetic suspension and recoil motion tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520136778 CN2854734Y (en) | 2005-11-29 | 2005-11-29 | Magnetic suspension and recoil motion tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854734Y true CN2854734Y (en) | 2007-01-03 |
Family
ID=37581369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520136778 Expired - Fee Related CN2854734Y (en) | 2005-11-29 | 2005-11-29 | Magnetic suspension and recoil motion tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854734Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968935B (en) * | 2009-07-27 | 2012-07-25 | 蒋明兴 | Magnetic levitation demonstrating device |
| CN105590516A (en) * | 2016-03-14 | 2016-05-18 | 乌鲁木齐爱思特专利转让服务有限责任公司 | Improved earth prying demonstration teaching aid |
-
2005
- 2005-11-29 CN CN 200520136778 patent/CN2854734Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968935B (en) * | 2009-07-27 | 2012-07-25 | 蒋明兴 | Magnetic levitation demonstrating device |
| CN105590516A (en) * | 2016-03-14 | 2016-05-18 | 乌鲁木齐爱思特专利转让服务有限责任公司 | Improved earth prying demonstration teaching aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |