CN206673812U - A kind of basic structure of speed change magnetic gear - Google Patents
A kind of basic structure of speed change magnetic gear Download PDFInfo
- Publication number
- CN206673812U CN206673812U CN201720377082.0U CN201720377082U CN206673812U CN 206673812 U CN206673812 U CN 206673812U CN 201720377082 U CN201720377082 U CN 201720377082U CN 206673812 U CN206673812 U CN 206673812U
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- China
- Prior art keywords
- magnetic
- permanent magnet
- magnetic gear
- gear
- speed change
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Abstract
In the utility model, the high speed magnetic gear of the magnetic gear is exactly the permanent magnet of one piece of garden cylindricality, its magnetic direction is radially, the low speed magnetic toothed wheel of the magnetic gear has some permanent magnets for aligning reciprocal permutation, its magnetic direction is vertical with rotation direction, can be combined into speed change magnetic gear train in a variety of forms.Its difference is；Traditional speed change magnetic gear basic functional principle is that the magnetic force push-and-pull formation active force of the opposite pole based on geo-stationary is driven.And the active force that speed change magnetic gear basic functional principle of the present utility model is then the magnetic force push-and-pull formation based on relative motion rotating excitation field is driven.In specifically used scheme, high speed magnetic gear is monolithic garden cylindricality permanent magnet, magnetic force direction is radial magnetic field, low speed magnetic gear is inlays or magnet material magnetizes into multipair permanent magnet with distance in certain direction on nonmagnetic substance, the magnetic force direction of the permanent magnet is vertical with permanent magnet rotating direction, external toothing formula, the not coaxial transmission of internal messing formula, linear transmission or the not coaxial transmission of vertical-transmission or other angles can be formed.
Description
Technical field
The utility model belongs to electro-mechanical arts, is related to a pair of not coaxial line magnetic for being applied to Non-contact speed-changing driving occasion
The basic structure of gear.
Background technology
In commercial Application, the occasion of variable speed drives is much needed, is generally realized using mechanical devices such as gear-boxes.Largely
The use of mechanical device will inevitably bring the problems such as noise, vibrations, frictional dissipation and periodic maintenance, and will substantially increase
The complexity of adding system, volume and weight.In addition, mechanical gear does not possess overload self-shield ability, when the torque of transmission exceedes
During its gear ability to bear, security incident easily occurs.
In contrast, magnetic gear is a kind of non-contact type drive mechanism, in the absence of noise, vibrations, frictional dissipation and profit
The problems such as sliding, and the physical isolation between input and output can be realized, it is also equipped with overloading self-shield ability, security reliability
It is higher.Torque transfer capability is always the important performance indexes of magnetic gear, for a long time, the limitation of permanent magnetic material performance and structure
Cause the torque density of magnetic gear relatively low.In recent years, with the appearance of high-performance Ne-Fe-B permanent-magnet material, in order to reality
The breakthrough of existing magnetic gear torque transmission capacity, exploring again as the research heat of domestic and foreign scholars about magnetic gear new structure
Point, and have been achieved for larger breakthrough in terms of coaxial line magnetic gear drive.But in the magnetic gear drive of not coaxial line
Aspect, up to the present, its basic structure or the basic structure proposed along patent in 1940 is used in, i.e. not coaxial line
Speed change magnetic gear includes a pair of rotors, its active and passive rotor using segmentation permanent-magnet structure, due to transmitting the moment of torsion of rotor
It is to be determined by the volume and magnetic intensity of monolithic permanent magnet, when monolithic permanent magnet volume is too small, the torque of magnetic gear can be caused
It is relatively low, in addition when speed change is bigger, because high speed rotor will at least have two pairs of magnetic poles or more, to making whole transmission system body
Product is larger.For these reasons, it result in the application that traditional magnetic gear is limited in the transmission of not coaxial line.Therefore, research is high
The new not coaxial line magnetic gear transmission structure of torque-transfer capability has important theory significance and practical construction value.
The content of the invention
Technical problem：The utility model is for coaxial line is not driven the deficiency of magnetic gear magnetic structure in tradition, there is provided
A kind of speed change magnetic gear basic structure with high torque and convenient processing and manufacture.
Technical scheme：A kind of basic structure of speed change magnetic gear of the present utility model, including filled by single cylindrical radial
High speed magnetic gear made of magnetic permanent magnet, with by polylith set of permanent magnets into low speed magnetic gear form, and by being driven accordingly
Axle, bearing etc. form a kind of speed change magnetic drive of not coaxial line.
In the utility model, the high speed magnetic gear of the magnetic gear is exactly the permanent magnet of one piece of garden cylindricality, its magnetic field side
To for radially, the low speed magnetic toothed wheel of the magnetic gear has some permanent magnets for aligning reciprocal permutation, its magnetic direction and rotation side
To vertical, speed change magnetic gear train can be combined into a variety of forms.
In the utility model, the gear-driven maximum difference of coaxial line magnetic is not with tradition；Traditional speed change magnetic gear
Basic functional principle is that the magnetic force push-and-pull formation active force of the opposite pole based on geo-stationary is driven.And the change of the present invention
Fast magnetic gear basic functional principle is then that the active force that the magnetic force push-and-pull based on relative motion rotating excitation field is formed is driven.
In the specifically used scheme of the utility model, high speed magnetic gear is monolithic garden cylindricality permanent magnet, and magnetic force direction is
Radial magnetic field, low speed magnetic gear be inlayed in certain direction with distance on nonmagnetic substance or magnet material magnetize into it is multipair
Permanent magnet, the magnetic force direction of the permanent magnet is vertical with permanent magnet rotating direction, can form external toothing formula, the difference of internal messing formula
Axle is driven, linear transmission or vertical-transmission formula.
When such as carrying out vertical-transmission, two methods can be used, it is a kind of then be the circle of high speed magnetic gear as bevel gear
Cylindricality permanent magnet radial magnetizing, low speed magnetic gear is radially uniform be scattered in permanent magnet, magnetic force direction is axially.Another kind is
The garden cylindricality permanent magnet or radial magnetizing of high speed magnetic gear, but the sensing of the magnetic line of force is then along cylinder permanent magnet into 45 degree
Spiral extension, low speed magnetic gear outer surface are uniformly distributed paired permanent magnet, and these permanent magnet magnetic line of force directions are radial direction, but
Each permanent magnet arranges along axis into 45 degree.
When the angle axle that carry out other angles is driven, the garden cylindricality permanent magnet or radial magnetizing of high speed magnetic gear,
But the sensing of the magnetic line of force is uniformly divided along the angled spiral extension of cylinder permanent magnet, low speed magnetic gear outer surface
The paired permanent magnet of cloth, these permanent magnet magnetic line of force directions is radially, but permanent magnet is along the angled arrangement of axis.
Compared with existing similar not coaxial line magnetic variation speed gear, design of the invention mainly has following three big spies
Point；First, the present invention is made using high speed magnetic gear made of only bipolar monolithic magnet compared to using quadrupole or multi-pole magnet
High speed magnetic gear, transmission same torque and speed ratio under conditions of, required material and volume can reduce 50%.2nd, it is high
The permanent magnet utilization rate of fast magnetic gear improves 50% than the utilization rate of conventional high rate magnetic gear.If the 3rd, by existing high speed magnetic
Gear changes the high speed magnetic gear of the present invention, and in the same circumstances, then gear ratio can at least double or more, while moment of torsion
Also it is correspondingly improved.
Brief description of the drawings
Accompanying drawing 1 is the basic structure that a kind of speed change magnetic gear uses parallel axes arrangement.
Accompanying drawing 2 is that speed change magnetic gear of the present invention is driven basic structure using a kind of vertical axis.
Accompanying drawing 3 is that speed change magnetic gear of the present invention is driven basic structure using another vertical axis.
In accompanying drawing：The low speed magnetic 1 of the driving of parallel axes, high speed magnetic gear 2, a kind of high speed magnetic gear 3 of vertical axis, low speed magnetic
Gear 4, the low speed magnetic gear 5 of another vertical axis, high speed magnetic gear 6, different graphic represents the direction of the magnetic line of force in figure.
Embodiment
In Fig. 1, low speed magnetic 1 has multigroup permanent magnet use to inlay or be mounted in after integrally magnetizing on rotor, and high speed rotor 2 is then
The permanent magnet of radial magnetizing is used for monolithic, forms parallel axes Magnetic drive gear structure.When high speed rotor is as driving shaft, its
When rotation is turned around, low speed rotor only rotates the angle of two permanent magnets, reaches the purpose of gear.In fig. 2, high speed magnetic
Gear 3 is the permanent magnet that monolithic uses radial magnetizing, and low speed magnetic gear 4 is then evenly distributed with rotor several is to magnetic direction
The permanent magnet of axial direction, these permanent magnets using inlay or it is overall magnetize after on rotor, magnetic force direction is axially, high speed magnetic tooth
Wheel 3 is vertical each other with the rotating shaft of low speed magnetic gear 4.In figure 3, the cylindrical circle that is equipped with of low speed magnetic gear 5 is using inlaying or whole
The permanent magnet that body magnetizes, magnetic direction is radial direction, for these permanent magnets in the axial direction into 45 degree of arrangements, magnetic force direction is radial direction,
High speed magnetic gear 3 is vertical each other with the rotating shaft of low speed magnetic gear 4.
Because the maximum difference of the utility model and traditional not coaxial line Magnetic drive is that the high speed magnetic gear of the present invention is
The permanent magnetic monomers of single radial magnetizing, be also equivalent to the gear of only 2 teeth, when with other low speed for having multipair permanent magnet
When magnetic gear forms transmission system, larger gearratio can be obtained.In addition be some the volume of high speed magnetic gear permanent magnet all
Permanent magnet volume than the monolithic on low speed magnetic gear is big, can significantly increase the driving torque of whole magnetic gear, when transmission is turned round
During moment preserving, it can also increase transmission distance simultaneously.
Coaxial line transmission is not traditionally mainly by the machine driving of the contacts such as gear, belt or chain and friction pulley
Complete, these machine drivings all have various weak points, and the contactless Magnetic drive of coaxial line does not all have one in every respect relatively
The advantages of determining, once reaching in driving torque or close to mechanically operated driving torque, be able to certainly will be widely applied.
Claims (5)
- A kind of 1. basic structure of speed change magnetic gear, it is characterised in that；The high speed magnetic gear of the magnetic gear is exactly one piece of garden post The permanent magnet of shape, its magnetic direction are radial direction, and the low speed magnetic toothed wheel of the magnetic gear has some permanent magnets for aligning reciprocal permutation, Its magnetic direction is vertical with rotation direction, can be combined into speed change magnetic gear train in a variety of forms.
- A kind of 2. basic structure of speed change magnetic gear according to claim 1, it is characterised in that；High speed magnetic gear is monolithic Garden cylindricality permanent magnet, magnetic force direction are radial magnetic field, and low speed magnetic gear is in certain direction and apart from edge on nonmagnetic substance Embedding or magnet material magnetizes into multipair permanent magnet, and the magnetic force direction of the permanent magnet is vertical with permanent magnet rotating direction, can shape Into external toothing formula, the not coaxial transmission of internal messing formula, linear transmission or vertical-transmission formula.
- A kind of 3. basic structure of speed change magnetic gear according to claim 1, it is characterised in that；During using vertical-transmission, As bevel gear, the cylindrical permanent magnet radial magnetizing of high speed magnetic gear, low speed magnetic gear is radially uniform to be scattered in forever Magnet.
- A kind of 4. basic structure of speed change magnetic gear according to claim 1, it is characterised in that；During using vertical-transmission, The garden cylindricality permanent magnet or radial magnetizing of high speed magnetic gear, but the sensing of the magnetic line of force is then along cylinder permanent magnet into 45 degree Spiral extension, low speed magnetic gear outer surface are uniformly distributed paired permanent magnet, and these permanent magnet magnetic line of force directions are radial direction, but Permanent magnet arranges along axis into 45 degree.
- A kind of 5. basic structure of speed change magnetic gear according to claim 1, it is characterised in that；Passed using other angle axles When dynamic, the garden cylindricality permanent magnet or radial magnetizing of high speed magnetic gear, but the sensing of the magnetic line of force be then along cylinder permanent magnet into The spiral extension of certain angle, low speed magnetic gear outer surface are uniformly distributed paired permanent magnet, these permanent magnet magnetic line of force sides To for radially, but permanent magnet is along the angled arrangement of axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377082.0U CN206673812U (en) | 2017-04-11 | 2017-04-11 | A kind of basic structure of speed change magnetic gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377082.0U CN206673812U (en) | 2017-04-11 | 2017-04-11 | A kind of basic structure of speed change magnetic gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673812U true CN206673812U (en) | 2017-11-24 |
Family
ID=60380223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720377082.0U Expired - Fee Related CN206673812U (en) | 2017-04-11 | 2017-04-11 | A kind of basic structure of speed change magnetic gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673812U (en) |
-
2017
- 2017-04-11 CN CN201720377082.0U patent/CN206673812U/en not_active Expired - Fee Related
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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: 20171124 Termination date: 20210411 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |