CN208903511U - Magnetic force teaching demonstration device - Google Patents
Magnetic force teaching demonstration device Download PDFInfo
- Publication number
- CN208903511U CN208903511U CN201821095832.6U CN201821095832U CN208903511U CN 208903511 U CN208903511 U CN 208903511U CN 201821095832 U CN201821095832 U CN 201821095832U CN 208903511 U CN208903511 U CN 208903511U
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- Prior art keywords
- gear
- magnet
- fixed
- outer ring
- rotor
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
Magnetic force teaching demonstration device, including the fixed gear in outer ring, interior turning gear wheel disc, magnet retainer plate, rotor and rotor fixed frame.The fixed gear in outer ring and interior turning gear wheel disc are coaxially set, and are equipped with driving chamber between the fixed gear in outer ring and interior turning gear wheel disc.Internal ring gear in the circumferential direction is equipped on the inside of the fixed gear in outer ring, the appearance of interior turning gear wheel disc is equipped with outer ring tooth in the circumferential direction, is equipped in driving chamber multiple along the equally distributed rotor in interior turning gear wheel disc periphery.Rotor is made of planetary gear accelerator and rotating disk, and the planet carrier of planetary gear accelerator is fixed on rotating disk, and rotating disk is equipped with several second magnets different in the magnetic pole of homogeneous radiation shape distribution.Several magnetic the first different magnets are equipped with along inner circle circumferential direction on magnet retainer plate.Utility model device is heteropolar attracting by simple homopolar-repulsion and conjunction gear gear member is mutually twisted driving, can convert magnetic potentical energy to the mechanical force kinetic energy of movement.
Description
Technical field
The utility model relates to heteropolar attracting for principle with magnet homopolar-repulsion, and it is dynamic to convert mechanical force movement for magnetic potentical energy
The physics teaching demonstration device of energy.
Background technique
Only have simple homopolar-repulsion heteropolar attracting magnetic force demonstration in physics teaching in secondary school, the teaching of student is drilled
Show relatively easy.The utility model can be according to mechanical movement principle, by the heteropolar attracting principle of the homopolar-repulsion between magnet by magnetic
Power is converted into the mechanical force of physical motion, so that more vivid demonstrates out conversion of the magnetic potentical energy to mechanical force kinetic energy.
Utility model content
In conclusion the purpose of this utility model is to provide the teaching that a kind of magnetic potentical energy is converted into mechanical force kinetic energy to drill
Showing device.
The utility model realizes that purpose of utility model adopts the following technical scheme that
Magnetic force teaching demonstration device characterized by comprising
Gear is fixed in outer ring, and the inner wall of the fixed gear in the outer ring is equipped with internal ring gear；
Interior turning gear wheel disc, the interior turning gear wheel disc are arranged concentrically with the fixed gear in outer ring, the interior turning gear wheel disc
Outer wall be equipped with outer ring tooth, be equipped with driving chamber between the fixed gear in the outer ring and interior turning gear wheel disc；
Magnet retainer plate, the magnet retainer plate inside are equipped with the first magnet of M block, and the first magnet of M block is fixed along magnet
Circle inner periphery is uniformly distributed and forms a circle, there are gap between adjacent first magnet, and the magnetic pole in the first adjacent magnet applications face
Different, the M is even number；
Rotor, the rotor are made of rotating disk and planetary gear accelerator two parts, and the planetary gear adds
The planet carrier of fast device is fixed on rotating disk；Rotating disk in the rotor is equipped with the N in the distribution of homogeneous radiation shape
The outer end of a second magnet, second magnet is the pole S or the pole N, and the magnetic pole of two neighboring second magnet outer end is opposite；
It is equipped with gear on the outside of external teeth wheel rim on planetary gear accelerator in the rotor, respectively and in the fixed gear in outer ring
The outboard gears of circle tooth and interior turning gear wheel disc are meshed, and the N is even number；
Rotor fixed frame, the rotor fixed frame are fixed with the sun gear in planetary gear accelerator, the sun
Wheel, which relatively rotates body fixed frame, which to be fixed, not can be rotated.
Preferably, the inner wall clearance fit of the periphery wall of the rotating disk and the magnet retainer plate.
Preferably, rotor is divided into N number of sector by N number of second magnet, and the arc length of each sector is
S；Each first magnet length L is greater than S.
Preferably, the planet carrier of the rotating disk and planetary gear accelerator rotates synchronously, and planetary gear adds
Size relationship between the fixed gear in fast device external teeth wheel rim external gear, internal gear, sun gear and outer ring meets following condition:
COutside/ M=cRow is outer/N+(cRow is too/N)/dIn row*dRow is outer；
In formula,
dRow is outer: planetary gear accelerator-external teeth wheel rim external gear reference diameter；
cRow is outer: planetary gear accelerator-external teeth wheel rim external gear indexes circumference；
dIn row: planetary gear accelerator-external teeth wheel rim internal gear reference diameter；
cRow is too: planetary gear accelerator-sun gear gear reference circle perimeter；
COutside: the fixed gear compound graduation circumference in outer ring；
M is the first number of magnets；N is the second number of magnets.
Preferably, first magnet and the second magnet are mutually independent magnet.
Preferably, first magnet is arcwall face with respect to the inner surface at center.
Preferably, the planetary gear accelerator is by intermediate sun gear, external teeth wheel rim, intermediate planet carrier group
At；The sun gear and external teeth wheel rim are coaxially disposed, and are equipped with outer ring tooth on the outside of the sun gear, the external teeth wheel rim it is interior
Side and outside are respectively equipped with inboard gear and outer gear；The planet carrier by several between sun gear and external teeth wheel rim it
Between pinion gear constitute, the pinion gear is uniformly arranged around sun gear, outer ring tooth, pinion gear and the external teeth of the sun gear
The inboard gear of wheel rim is joined face intermeshing, and the pinion gear is fixed on rotating disk by fixing axle, the pinion gear
It can be rotated with fixing axle.
Preferably, the quantity of the rotor is adjustable, and initial position is adjustable.
Preferably, it is fixed with a planetary gear accelerator at left and right sides of the rotating disk, accordingly
The fixed gear in the outer ring of magnet retainer plate two sides and the also mating setting of interior turning gear wheel disc are put down so that rotating disk reaches stress
Weighing apparatus.
Compared with the prior art, the utility model has the beneficial effect that:
The utility model magnetic force teaching demonstration device, it is heteropolar by the homopolar-repulsion between magnet according to mechanical movement principle
Attracting principle converts magnetic force to the mechanical force that can be moved, so that more vivid demonstration goes out magnetic potentical energy to mechanical force kinetic energy
Conversion.
Detailed description of the invention
Fig. 1 is that the 3 D stereo of the utility model constructs front view.
Fig. 2 is that the 3 D stereo of the utility model constructs lateral side view.
Fig. 3 is the fixed gear 3 D stereo organigram in outer ring of the utility model.
Fig. 4 is the interior turning gear wheel disc 3 D stereo organigram of the utility model.
Fig. 5 is the magnet retainer plate 3 D stereo organigram of the utility model.
Fig. 6 is that the rotor 3 D stereo construction front side of the utility model regards diagram.
Fig. 7 is that the rotor 3 D stereo of the utility model constructs rear side viewing diagram.
Fig. 8 is the planetary gear accelerator 3 D stereo organigram of the utility model.
Fig. 9 is that the rotating disk 3 D stereo of the utility model constructs rear side viewing diagram.
Figure 10 is the rotor fixed frame 3 D stereo organigram of the utility model.
Figure 11 is in the rotor opposed magnet retainer plate motion process of the utility model, and rotating disk magnetic pole and magnet are solid
The fixed magnetic circle magnetic pole interaction force schematic diagram of circle.
Appended drawing reference:
Gear is fixed in 1 outer ring；11 internal ring gears；
Turning gear wheel disc in 2；21 outer ring teeth；
3 magnet retainer plates；31 first magnets；
4 rotors；41 rotating disks；411 second magnets；412 fixing axles；421 external teeth wheel rims；422 sun gears；423
Pinion gear；
5 rotor fixed frames.
Specific embodiment
Explanation is further explained to technical solutions of the utility model by specific embodiment below in conjunction with attached drawing.
Referring to attached drawing.
As shown in Figs. 1-2, magnetic force teaching demonstration device is mainly made of five parts: outer ring fixed gear 1, interior turning gear
Wheel disc 2, magnet retainer plate 3, rotor 4 and rotor fixed frame 5.
Wherein, as shown in figs. 3-10, the fixed gear 1 in outer ring is equipped with internal ring gear 11 in the circumferential direction, interior turning gear wheel disc 2
It being made of locating shaft and the outer ring tooth 21 being located on locating shaft, interior turning gear wheel disc 2 is coaxially located in the fixed gear 1 in outer ring, it
Between be equipped with driving chamber.The fixed gear 1 of magnet retainer plate 3 and outer ring is arranged side by side, and is equipped with M on the inside of magnet retainer plate 3 (for even number)
The first magnet of block 31, the first magnet of M block 31 are uniformly distributed along magnet retainer plate inner periphery and form a circle, between adjacent first magnet
There are gaps, and the magnetic pole in the first adjacent magnet applications face is different.
Rotor 4 is made of rotating disk 41 and planetary gear accelerator two parts, the planet carrier of planetary gear accelerator
It is fixed on rotating disk 41；Rotating disk in rotor 4 is equipped with N number of (for even number) second in the distribution of homogeneous radiation shape
The outer end of magnet 411, the second magnet 411 is the pole S or the pole N, and the magnetic pole of two neighboring second magnet outer end is opposite；Rotation
It is equipped with gear on the outside of the external teeth wheel rim 421 on planetary gear accelerator in body, fixes the internal ring gear of gear 1 with outer ring respectively
11 and the outer ring tooth 21 of interior turning gear wheel disc 2 be meshed；
Sun gear 422 in rotor fixed frame 5 and planetary gear accelerator is fixed, and it is solid that sun gear 422 relatively rotates body
Determine frame 5 to fix rotatably.
As shown in fig. 7, planetary gear accelerator is (driven by intermediate sun gear 422 (fixing piece), external teeth wheel rim 421
Part), intermediate planet carrier (driving link) composition；Sun gear 422 and external teeth wheel rim 421 are coaxially disposed, and are equipped on the outside of sun gear
The inner side and outer side of outer ring tooth, external teeth wheel rim is respectively equipped with inner tines and external teeth；Planet carrier is by several (generally three
Or four) pinion gear 423 between sun gear 422 and external teeth wheel rim 421 constitutes, pinion gear 423 surrounds sun gear 422
Uniformly arrangement, the outer ring tooth of pinion gear and sun gear, the inner tines of external teeth wheel rim are joined face intermeshing, and pinion gear 423 is logical
It crosses fixing axle 412 to be fixed on rotating disk, pinion gear and fixing axle can be rotated.
In specific assembly, the planetary gear accelerator gear ring outer gear reference radius on rotor is equal to or slightly
Less than the radius of rotating disk, after the planetary gear accelerator gear ring outer gear of rotor is engaged with internal ring gear, outer ring tooth, turn
Movable magnetic disc is located in the magnetic circle of magnet retainer plate, is bonded with the inner wall gap of magnetism circle；It can specifically be adjusted according to magnetic field power
The gap size of section magnetic circle and rotating disk.
When the quantity of the second magnet in rotating disk is N number of (N is even number, and this example is 6), adjacent magnetic patch is formed
Angle R be 360 °/N (this example be 60 °)；The quantity of first magnet is M (M is even number, and this example is 18), the quantity of M
With the first magnet with appropriate spacing (5mm), uniformly it is booked magnetic circle inner wall and is preferred.Rotor is walked around the rotation of magnet retainer plate
When the 1/M of internal ring gear perimeter, the angle that rotor rolls is exactly R；To which the magnetic pole guaranteed on rotating disk can be solid in magnet
Fixed above any position of enclosing can obtain the traction torsion of single direction.
Wherein, rotating disk and planetary gear accelerator external teeth wheel rim external gear rotation relation are as follows:
The planet carrier of rotating disk and planetary gear accelerator rotates synchronously, when rotating disk rotation 360/N is spent, planet tooth
Take turns accelerator external teeth wheel rim external gear rotation distance are as follows: COutside/ M=cRow is outer/N+(cRow is too/N)/dIn row*dRow is outer；
In formula,
dRow is outer: planetary gear accelerator-external teeth wheel rim external gear reference diameter；
cRow is outer: planetary gear accelerator-external teeth wheel rim external gear indexes circumference；
dIn row: planetary gear accelerator-external teeth wheel rim internal gear reference diameter；
cRow is too: planetary gear accelerator-sun gear gear reference circle perimeter；
COutside: the fixed gear compound graduation circumference in outer ring.
The initial position of the magnet retainer plate is adjustable.Position i.e. by adjusting magnet retainer plate is carried out clutch magnet and is fixed
Magnetic circle and rotating disk on circle, to reach the stopping and operating of control magnetic force apparatus for demonstrating.Can also further it pass through
To the magnetic stroke for enclosing the opposite fixed gear in outer ring and adjusting first magnet to the left or to the right on magnet retainer plate, Lai Jinyi
Step reaches turning gear wheel disc in control and rotates clockwise or rotate counterclockwise.
Preferably, the surface of the relatively interior turning gear wheel disc of the first magnet is arcwall face, and multiple first magnets
Arcwall face just surrounds a magnetic annulus.
Preferably, it is spaced apart to join to shield the second magnet by permeability magnetic material between the rotating disk and holds magnetic
?.
Preferably, in the utilization of apparatus for demonstrating material object, a planetary gear is fixed at left and right sides of rotating disk
Accelerator, the fixed gear in the outer ring of corresponding magnet retainer plate two sides and the also mating setting of interior turning gear wheel disc, to rotate
Disk reaches stress balance.
The first magnet and the second magnet are magnet material in above embodiments
Below only by a rotating disk and one section of relative motion mode of magnet retainer plate to describe magnetic force apparatus for demonstrating
Operative mechanism.
Gear member machined parameters in the present embodiment are as shown in table 1:
1 apparatus for demonstrating gear member relevant parameter (unit: mm) of table
Rotor initial position is set, as shown in figure 11.Roll the pole S on disk is right against on magnet retainer plate two
Between a first magnet.Repulsion of the pole rotating disk lower right-hand side N by the pole magnet retainer plate magnetic patch N below at this time, in conjunction with
The mechanical force of rotor and magnet retainer plate internal ring gear, rotating disk obtain what an opposed magnet retainer plate operated to the left
Draw torsion；Gravitation of the pole S by the pole right lower quadrant magnet retainer plate magnetic patch N below rotating disk, while by lower left quarter magnet
The repulsion of the pole retainer plate magnetic patch S, in conjunction with the mechanical force of rotor and magnet retainer plate internal ring gear, rotating disk obtains one
The tractive force that opposed magnet retainer plate operates to the left；The lower section pole N is by the pole magnet retainer plate magnetic patch S below on the left of rotating disk
Gravitation, in conjunction with the mechanical force of rotor and magnet retainer plate internal ring gear, rotating disk obtains an opposed magnet and fixes
Enclose the tractive force operated to the left；In conjunction with the effect of above-mentioned many magnetic force, rotating disk obtains one and biggish operates to the left
Draw torsion.
It by the operating condition of above-mentioned rotating disk a cycle, can clearly obtain, all rotors are solid with outer ring
In fixed gear occlusion operating arbitrary process, interaction force between the magnet on rotating disk and magnet retainer plate upper magnet is obtained
Push the active force that operates to the left of rotating disk to one, by gearing in interior turning gear wheel disc, then in turning gear wheel disc
A rotary torsion is obtained, to realize the magnetic force demonstration purpose of the utility model.
Claims (8)
1. magnetic force teaching demonstration device characterized by comprising
Gear is fixed in outer ring, and the inner wall of the fixed gear in the outer ring is equipped with internal ring gear；
Interior turning gear wheel disc, the interior turning gear wheel disc is arranged concentrically with the fixed gear in outer ring, outside the interior turning gear wheel disc
Wall is equipped with outer ring tooth, is equipped with driving chamber between the fixed gear in the outer ring and interior turning gear wheel disc；
Magnet retainer plate, the magnet retainer plate inside are equipped with the first magnet of M block, and the first magnet of M block is along in magnet retainer plate
Even circumferential distribution forms a circle, and there are gaps between adjacent first magnet, and the magnetic pole in the first adjacent magnet applications face is different,
The M is even number；
Rotor, the rotor are made of rotating disk and planetary gear accelerator two parts, the planetary gear accelerator
Planet carrier be fixed on rotating disk；Rotating disk in the rotor is equipped with N number of the in the distribution of homogeneous radiation shape
The outer end of two magnets, second magnet is the pole S or the pole N, and the magnetic pole of two neighboring second magnet outer end is opposite；It is described
It is equipped with gear on the outside of external teeth wheel rim on planetary gear accelerator in rotor, fixes the internal ring gear of gear with outer ring respectively
It is meshed with the outboard gears of interior turning gear wheel disc, the N is even number；
Rotor fixed frame, the rotor fixed frame are fixed with the sun gear in planetary gear accelerator, the sun gear phase
It is fixed to rotor fixed frame not can be rotated.
2. magnetic force teaching demonstration device according to claim 1, which is characterized in that the periphery wall of the rotating disk and institute
State the inner wall clearance fit of magnet retainer plate.
3. magnetic force teaching demonstration device according to claim 1, which is characterized in that N number of second magnet will rotate
Body is divided into N number of sector, and the arc length of each sector is S；Each first magnet length L is greater than S.
4. magnetic force teaching demonstration device according to claim 1, which is characterized in that first magnet and the second magnet are
Mutually independent magnet.
5. magnetic force teaching demonstration device according to claim 1, which is characterized in that first magnet is interior with respect to center
Surface is arcwall face.
6. magnetic force teaching demonstration device according to claim 1, which is characterized in that the planetary gear accelerator is by centre
Sun gear, external teeth wheel rim, intermediate planet carrier composition；The sun gear and external teeth wheel rim are coaxially disposed, the sun gear
Outside is equipped with outer ring tooth, and the inner side and outer side of the external teeth wheel rim is respectively equipped with inboard gear and outer gear；The planet
Frame is made of several pinion gears between sun gear and external teeth wheel rim, and the pinion gear is uniformly arranged around sun gear
Cloth, the inboard gear of the outer ring tooth of the sun gear, pinion gear and external teeth wheel rim are joined face intermeshing, and the pinion gear is logical
It crosses fixing axle to be fixed on rotating disk, the pinion gear and fixing axle can be rotated.
7. magnetic force teaching demonstration device according to claim 1, which is characterized in that the quantity of the rotor is adjustable, just
Beginning position is adjustable.
8. magnetic force teaching demonstration device according to claim 1, which is characterized in that solid at left and right sides of the rotating disk
Surely a planetary gear accelerator, the fixed gear in outer ring of corresponding magnet retainer plate two sides and interior turning gear wheel disc are equipped with
Mating setting, so that rotating disk reaches stress balance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095832.6U CN208903511U (en) | 2018-07-11 | 2018-07-11 | Magnetic force teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095832.6U CN208903511U (en) | 2018-07-11 | 2018-07-11 | Magnetic force teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903511U true CN208903511U (en) | 2019-05-24 |
Family
ID=66567347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821095832.6U Expired - Fee Related CN208903511U (en) | 2018-07-11 | 2018-07-11 | Magnetic force teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538158A (en) * | 2018-07-11 | 2018-09-14 | 唐华英 | Magnetic force teaching demonstration device |
-
2018
- 2018-07-11 CN CN201821095832.6U patent/CN208903511U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538158A (en) * | 2018-07-11 | 2018-09-14 | 唐华英 | Magnetic force teaching demonstration 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20210711 |