CN208938513U - A kind of revolution of the earth and rotation demonstration teaching aid - Google Patents
A kind of revolution of the earth and rotation demonstration teaching aid Download PDFInfo
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- CN208938513U CN208938513U CN201820467873.7U CN201820467873U CN208938513U CN 208938513 U CN208938513 U CN 208938513U CN 201820467873 U CN201820467873 U CN 201820467873U CN 208938513 U CN208938513 U CN 208938513U
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- earth
- rotation
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Abstract
The utility model provides a kind of revolution of the earth and rotation demonstration teaching aid, comprising: pedestal, elliptic orbit, solar model, earth model component, revolution of the earth driving mechanism；The earth model component includes model seat, earth model and earth rotation driving mechanism, and the earth model is mounted on the Self-rotation core axle on model seat, the earth rotation driving mechanism driveably spherical model around Self-rotation core axle rotation.The utility model is compared to the prior art, earth model rotation is driven to simulate earth rotation by earth rotation driving mechanism, earth model is driven to simulate the revolution of the earth along elliptic orbit revolution by revolution of the earth driving mechanism, earth rotation and process of revolution can be demonstrated vividly, student is easier to understand related geographical knowledge, greatly improves teaching efficiency.
Description
Technical field
The utility model relates to a kind of teaching aids, and in particular to a kind of revolution of the earth and rotation demonstration teaching aid.
Background technique
Common tellurion currently sold on the market is made of drafting the spherical and bracket of map, this tellurion
It can only statically reflect each geographical location, it can not the intuitive movement for dynamically expressing earth rotation and revolution comprehensively.Student is learning
When practising related geographical knowledge, relevant geographical knowledge, Bu Nengda can only be understood and learnt by schematic diagram two-dimensional on textbook
To ideal teaching efficiency.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a kind of revolution of the earth and rotations
Demonstration teaching aid.
In order to achieve the above objectives, the technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of earth is public
Turn and rotation demonstration teaching aid, comprising:
Pedestal；
Elliptic orbit is set on pedestal by support frame；
Solar model is set to the middle position of pedestal by the first strut；
Earth model component, the top of elliptic orbit is set to by the second strut, and second strut is arranged in described
In the slot of elliptic orbit, the earth model component includes model seat, earth model and earth rotation driving mechanism, the earth
Model is mounted on the Self-rotation core axle on model seat, the earth rotation driving mechanism driveably spherical model around Self-rotation core axle from
Turn；
Revolution of the earth driving mechanism connect with the lower end of the second strut and the second strut is driven to move along elliptic orbit.
The utility model drives earth model rotation to simulate ground compared to the prior art, by earth rotation driving mechanism
Revolutions drive the second strut that earth model is driven to simulate earth public affairs along elliptic orbit revolution by revolution of the earth driving mechanism
Turn, earth rotation and process of revolution can be demonstrated vividly, student is easier to understand related geographical knowledge, greatly improve
Teaching efficiency.
Further, the earth rotation driving mechanism includes the first driving motor, the first transmission gear and the second transmission
Gear, first transmission gear are mounted on the output shaft of the first driving motor, and second transmission gear is mounted on autobiography
On mandrel, first transmission gear is meshed with the second transmission gear.
Further, the revolution of the earth driving mechanism includes main drive motor, main driving gear, planetary gear, internal tooth
Circle, the main driving gear are mounted on the output shaft of main drive motor, the planetary gear and main driving gear and ring gear
Be meshed, the planetary gear is equipped with axial first connecting rod, the first connecting rod by the second connecting rod with it is described
The connection of second strut lower end.
Further, second connecting rod both ends pass through universal ball shaft coupling respectively with first connecting rod and second
Bar connection.
Using the above preferred scheme, driving mechanism structure is simple, and reliable transmission is steady, promotes the durability of teaching aid.
Further, the model seat includes skewback and die holder bottom plate, the skewback and die holder bottom plate angle
It is 23.44 °.
Further, the Self-rotation core axle is vertically set on the skewback.
Using the above preferred scheme, the folder between the earth rotation equatorial plane and revolution of the earth ecliptic plan can be simulated
Angle promotes the fidelity of analog demenstration.
Further, the earth model component bottom is additionally provided with a model orientation mechanism, model orientation mechanism packet
The support platform for being fixed on the second strut top is included, the die holder bottom plate is installed in rotation on support by a rotation fulcrum and puts down
On platform, gyro sensor is installed on the die holder bottom plate, die holder bottom plate bottom surface is equipped with outer gear ring, the support platform
It is equipped with the second motor, third gear is installed on the output shaft of the second motor, the third gear is meshed with outer gear ring, institute
Stating the second motor can drive die holder bottom plate to rotate in support platform around rotation fulcrum.
Using the above preferred scheme, the orientation angles that die holder bottom plate is perceived by gyro sensor pass through the second electricity
Machine driving carries out angle compensation, is directed toward the Self-rotation core axle of earth model and remains unchanged, during the realistic simulation revolution of the earth
The constant characteristic of ground axis direction.
Further, LED light emission device is equipped in the solar model.
Using the above preferred scheme, can be by LED light emission device simulated solar light, with demonstration, day alternates with night.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the utility model another embodiment.
The title of number and corresponding component represented by letter in figure:
1- pedestal；2- elliptic orbit；3- solar model；The first strut of 31-；4- earth model component；The second strut of 41-；
42- model seat；421- Self-rotation core axle；422- skewback；423- die holder bottom plate；43- earth model；44- earth rotation driving machine
Structure；The first driving motor of 441-；The first transmission gear of 442-；The second transmission gear of 443-；45- model orientation mechanism；451- branch
Support platform；452- rotation fulcrum；453- gyro sensor；454- outer gear ring；The second motor of 455-；456- third gear；5-
Revolution of the earth driving mechanism；51- main drive motor；The main driving gear of 52-；53- planetary gear；54- ring gear；55- first connects
Extension bar；The second connecting rod of 56-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, 2, a kind of revolution of the earth and rotation demonstration teaching aid, comprising:
Pedestal 1；
Elliptic orbit 2 is set on pedestal 1 by support frame；
Solar model 3 is set to the middle position of pedestal 1 by the first strut 31；
Earth model component 4 is set to the top of elliptic orbit 2 by the second strut 41, and the second strut 41 is arranged in ellipse
In the slot of circular orbit 2, earth model component 4 includes model seat 42, earth model 43 and earth rotation driving mechanism 44, earth mould
Type 43 is mounted on the Self-rotation core axle 421 on model seat 42, earth rotation driving mechanism 44 driveably spherical model 43 around rotation
421 rotation of mandrel；
Revolution of the earth driving mechanism 5 connect with the lower end of the second strut 41 and drives the second strut 41 along elliptic orbit 2
It is mobile.
Beneficial effect by adopting the above technical scheme is: driving earth model 43 to rotate by earth rotation driving mechanism 44
Earth rotation is simulated, drives second strut 41 to drive earth model 43 public along elliptic orbit 2 by revolution of the earth driving mechanism 5
The simulation revolution of the earth is transferred, earth rotation and process of revolution can be demonstrated vividly, student is easier to understand related geography
Knowledge greatly improves teaching efficiency.
As shown in Figure 1, 2, in other embodiments of the utility model, earth rotation driving mechanism 44 includes first
Driving motor 441, the first transmission gear 442 and the second transmission gear 443, the first transmission gear 442 are mounted on the first driving electricity
On the output shaft of machine 441, the second transmission gear 443 is mounted on autobiography mandrel 421, the first transmission gear 442 and the second transmission
Gear 443 is meshed；Revolution of the earth driving mechanism 5 includes main drive motor 51, main driving gear 52, planetary gear 53, internal tooth
Circle 54, main driving gear 52 is mounted on the output shaft of main drive motor 51, planetary gear 53 and main driving gear 52 and internal tooth
Circle 54 is meshed, and planetary gear 53 is equipped with axial first connecting rod 55, first connecting rod 55 by the second connecting rod 56 with
The connection of second strut, 41 lower end；Second connecting rod, 56 both ends pass through universal ball shaft coupling respectively with first connecting rod 55 and second
Strut 41 connects.Beneficial effect by adopting the above technical scheme is: driving mechanism structure is simple, and reliable transmission is steady, promotes religion
The durability of tool.
As shown in Figure 1, 2, in other embodiments of the utility model, model seat 42 includes skewback 422 and mould
Seat bottom plate 423, skewback 422 and 423 angle of die holder bottom plate are 23.44 °；Self-rotation core axle 421 is vertically set on skewback
On 422.Beneficial effect by adopting the above technical scheme is: can simulate the earth rotation equatorial plane and revolution of the earth ecliptic plan it
Between angle, promote the fidelity of analog demenstration.
As shown in Figure 1, 2, in other embodiments of the utility model, 4 bottom of earth model component is additionally provided with one
Model orientation mechanism 45, model orientation mechanism 45 include being fixed on the support platform 451 on 41 top of the second strut, die holder bottom plate
423 are installed in rotation in support platform 451 by rotation fulcrum 452, are equipped with gyro sensors on die holder bottom plate 423
Device 453,423 bottom surface of die holder bottom plate are equipped with outer gear ring 454, and support platform 451 is equipped with the second motor 455, the second motor 455
Third gear 456 is installed, third gear 456 is meshed with outer gear ring 454, and the second motor 455 can drive die holder on output shaft
Bottom plate 423 rotates in support platform 451 around rotation fulcrum 452.Beneficial effect by adopting the above technical scheme is: passing through gyro
Instrument sensor 453 perceives the orientation angles of die holder bottom plate 423, is driven by the second motor 455 and carries out angle compensation, makes the earth
The direction of Self-rotation core axle 421 of model 43 remains unchanged, axis direction constant characteristic in ground during the realistic simulation revolution of the earth.
In other embodiments of the utility model, LED light emission device is equipped in solar model 3.Using above-mentioned skill
The beneficial effect of art scheme is: can be by LED light emission device simulated solar light, with demonstration, day alternates with night.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow the common skill in this field
Art personnel can understand the content of the utility model and be implemented, and not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover in the protection scope of the utility model
It is interior.
Claims (8)
1. a kind of revolution of the earth and rotation demonstration teaching aid characterized by comprising
Pedestal；
Elliptic orbit is set on pedestal by support frame；
Solar model is set to the middle position of pedestal by the first strut；
Earth model component, the top of elliptic orbit is set to by the second strut, and second strut is arranged in the ellipse
In the slot of track, the earth model component includes model seat, earth model and earth rotation driving mechanism, the earth model
Be mounted on the Self-rotation core axle on model seat, the earth rotation driving mechanism driveably spherical model around Self-rotation core axle rotation；
Revolution of the earth driving mechanism connect with the lower end of the second strut and the second strut is driven to move along elliptic orbit.
2. the revolution of the earth according to claim 1 and rotation demonstration teaching aid, which is characterized in that the earth rotation driving machine
Structure includes the first driving motor, the first transmission gear and the second transmission gear, and first transmission gear is mounted on the first driving
On the output shaft of motor, second transmission gear is mounted on autobiography mandrel, first transmission gear and the second driving cog
Wheel is meshed.
3. the revolution of the earth according to claim 2 and rotation demonstration teaching aid, which is characterized in that the revolution of the earth driving machine
Structure includes main drive motor, main driving gear, planetary gear, ring gear, and the main driving gear is mounted on main drive motor
On output shaft, the planetary gear is meshed with main driving gear and ring gear, and the planetary gear is equipped with axial first
Connecting rod, the first connecting rod are connect by the second connecting rod with second strut lower end.
4. the revolution of the earth according to claim 3 and rotation demonstration teaching aid, which is characterized in that second connecting rod both ends
It is connect respectively with first connecting rod and the second strut by universal ball shaft coupling.
5. the revolution of the earth according to claim 4 and rotation demonstration teaching aid, which is characterized in that the model seat includes inclined-plane
Plate and die holder bottom plate, the skewback and die holder bottom plate angle are 23.44 °.
6. the revolution of the earth according to claim 5 and rotation demonstration teaching aid, which is characterized in that the Self-rotation core axle is vertically set
It sets on the skewback.
7. the revolution of the earth according to claim 6 and rotation demonstration teaching aid, which is characterized in that earth model component bottom
Portion is additionally provided with a model orientation mechanism, and the model orientation mechanism includes being fixed on the support platform on the second strut top, described
Die holder bottom plate is rotatably mounted on the support platform by a rotation fulcrum, is equipped with gyro sensors on the die holder bottom plate
Device, die holder bottom plate bottom surface are equipped with outer gear ring, and the support platform is equipped with the second motor, pacifies on the output shaft of the second motor
Equipped with third gear, the third gear is meshed with outer gear ring, and second motor can drive die holder bottom plate around rotation fulcrum
It is rotated in support platform.
8. the revolution of the earth according to claim 7 and rotation demonstration teaching aid, which is characterized in that be equipped in the solar model
LED light emission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467873.7U CN208938513U (en) | 2018-03-30 | 2018-03-30 | A kind of revolution of the earth and rotation demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467873.7U CN208938513U (en) | 2018-03-30 | 2018-03-30 | A kind of revolution of the earth and rotation demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938513U true CN208938513U (en) | 2019-06-04 |
Family
ID=66713952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820467873.7U Expired - Fee Related CN208938513U (en) | 2018-03-30 | 2018-03-30 | A kind of revolution of the earth and rotation demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208938513U (en) |
-
2018
- 2018-03-30 CN CN201820467873.7U patent/CN208938513U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20210330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |