CN101567593A - Permanent magnetic suspension mechanical rotor - Google Patents
Permanent magnetic suspension mechanical rotor Download PDFInfo
- Publication number
- CN101567593A CN101567593A CNA2009100737873A CN200910073787A CN101567593A CN 101567593 A CN101567593 A CN 101567593A CN A2009100737873 A CNA2009100737873 A CN A2009100737873A CN 200910073787 A CN200910073787 A CN 200910073787A CN 101567593 A CN101567593 A CN 101567593A
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- China
- Prior art keywords
- permanent magnet
- cavity
- magnetic suspension
- suspension
- unit head
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a permanent magnetic suspension mechanical rotor which is formed by the fixation of a plurality of power heads on a supporting ring made from diamagnetic material; the power head is designed to a bullet-shaped cavity which is internally provided with a central permanent magnet; the supporting ring is fixed on the outer ring of a suspension bearing; the outer ring of the suspension bearing is provided with a permanent magnet which is suspended on the inner ring of the suspension bearing with a groove as the cross section; and the permanent magnet is arranged in the groove. The invention has the technical progress effects that as a way of mutual pull-in of the permanent magnet and the permeability magnetic material is utilized to lead the permanent magnet and the permeability magnetic material to be tightly combined together for replacing other cuttage grafting ways, the permeability magnetic material is directly assembled with the permanent magnet and the processing way is simplified, and as the cheap permeability magnetic material is used for generating the same magnetic pole effect, the material cost is lowered and the utilization rate is improved for being capable of saving 50 percent of permanent magnet material; and the assembly method for the permanent magnet of the rotor comprises but is not limited to a suspension machinery, a magnetic suspension demonstration teaching aid, etc.
Description
Technical field
The present invention relates to a kind of permanent magnetic suspension mechanical rotor, belong to the electromagnetic power technical field.
Background technology
In the prior art by the rare earth permanent-magnetic material neodymium iron boron as the pole material of motor or generator widespread usage, but because NdFeB material is relatively more expensive, in order to reduce cost, someone has proposed permanent magnetic material and permeability magnetic material technical scheme spaced apart, its mounting means is that permanent magnet and permeability magnetic material are plugged in the dovetail groove at interval at the uniform dovetail groove of shading ring inner ring.To improve the utilance of permanent magnet, reduce manufacturing cost.
Summary of the invention
The object of the present invention is to provide a kind of permanent magnetic suspension mechanical rotor, the improvement permanent magnet combines and set-up mode with permeability magnetic material, and assembling process is simplified more, reduces the integral production cost of rotor.
Technical scheme of the present invention is achieved in that this permanent magnetic suspension mechanical rotor, it is characterized in that: rotor is fixed on the support ring that diamagnetic material makes by a plurality of unit heads and constitutes, unit head is designed to the bullet shape cavity, and the center permanent magnet is set in the cavity; Support ring is fixed on the suspension bearing outer ring, and the suspension bearing outer ring is provided with permanent magnet and is suspended on the suspension bearing inner ring that the cross section is a groove, and permanent magnet is set in the groove.
Described permanent magnetic suspension mechanical rotor, described unit head cavity partly is made of preceding cavity, rear chamber, and supporting bracket fixed center permanent magnet is set in the cavity.
Described permanent magnetic suspension mechanical rotor, described unit head rear chamber end is provided with permanent magnet.
Described permanent magnetic suspension mechanical rotor, described unit head ante-chamber end of body is provided with the diamagnetic material interlayer.
Described permanent magnetic suspension mechanical rotor, the forward and backward cavity of described unit head is fixedly connected by the extended a plurality of magnetic conduction bars of rear chamber.
The permanent magnet stack combinations that described permanent magnetic suspension mechanical rotor, described unit head cavity center are provided with one or more layers.
Described permanent magnetic suspension mechanical rotor, described permanent magnet and permeability magnetic material sheet are provided with at interval, adhesive mutually.
Technological progress effect of the present invention shows: owing to utilize permanent magnet and the mutual attracting mode of permeability magnetic material with permanent magnet and permeability magnetic material other the inserting mode of replacement that is closely linked, permeability magnetic material and permanent magnet are directly assembled, the processing mode simplification; Permeability magnetic material with cheapness produces same magnetic pole effect, and material cost reduces, and utilance improves can save 50% permanent magnet material, and the permanent magnet assembling mode of rotor of the present invention includes but not limited to suspension mechanical, magentic suspension demonstrating teaching aid etc.
Description of drawings
Fig. 1 is the structural representation of magnetic suspension rotor
Fig. 2 is the vertical view of Fig. 1
Fig. 3 is the partial enlarged drawing of A part among Fig. 1
Fig. 4 is the left view of Fig. 3
Fig. 5 is the profile of B-B among Fig. 3
Fig. 6 is the profile of C-C among Fig. 3
Fig. 7 is the profile of D-D among Fig. 3
Fig. 8-the 15th, several package assembly forms of Fig. 3 center permanent magnet
Among the figure:
1, magnetic suspension shaft bearing outer-ring 2, support ring 3, magnetic suspension bearing inner ring
4, unit head 5,6, permanent magnet 7, permeability magnetic material sheet
4-1, permanent magnet 4-2, rear chamber 4-3, supporting bracket 4-4, center permanent magnet
4-5, magnetic conduction bar 4-6, supporting bracket 4-7, inner shield 4-8, interlayer
4-9, preceding cavity 4-10, fixing rivet 4-11, hold-down support
Embodiment
The assembling mode of the support ring 2 of Fig. 1, the utility model permanent magnetic suspension mechanical rotor shown in Figure 2, unit head 4 and suspension bearing, among the figure as can be seen, rotor of the present utility model is fixed on the support ring 2 that diamagnetic material makes by a plurality of unit heads 4 and constitutes, unit head is designed to the bullet shape cavity, and center permanent magnet 4-4 is set in the cavity; Support ring 2 is fixed on the suspension bearing outer ring 1, and suspension bearing outer ring 1 is provided with permanent magnet 5 and is suspended on the suspension bearing inner ring 3 that the cross section is a groove, and permanent magnet 6 is set in the groove.
The concrete structure of permanent magnetic suspension mechanical rotor unit head shown in Figure 3, the unit head cavity is made of preceding cavity 4-9, rear chamber 4-2 two parts, and forward and backward cavity is fixedly connected by the extended a plurality of magnetic conduction bar 4-5 of rear chamber 4-2; The cross section of magnetic conduction bar is a m shape.
Supporting bracket 4-6,4-3 fixed center permanent magnet 4-4 are set in the unit head cavity.Unit head rear chamber 4-2 end is provided with permanent magnet 4-1, and cavity 4-9 end is provided with diamagnetic material interlayer 4-8 and inner shield 4-7 before the unit head.
The permanent magnet 4-4 stack combinations that unit head cavity center is provided with one or more layers, its compound mode such as Fig. 8～shown in Figure 15
Permanent magnet described in the foregoing description and permeability magnetic material sheet 7 are provided with adhesive mutually at interval.
Permeability magnetic material can be selected the cheap mild steel that is easy to process in the practical application, has simplified assembling parts and technology, reaches the maximization of permanent magnet material utilance.
Foregoing description only proposes as the enforceable technical scheme of the utility model permanent magnetic suspension mechanical rotor, not as the single restrictive condition to its structure itself.
Claims (7)
1, a kind of permanent magnetic suspension mechanical rotor is characterized in that: rotor is fixed in the last formation of support ring (2) that diamagnetic material is made by a plurality of unit heads (4), and unit head is designed to the bullet shape cavity, and center permanent magnet (4-4) is set in the cavity; Support ring is fixed on the suspension bearing outer ring (1), and suspension bearing outer ring (1) is provided with permanent magnet (5) and is suspended on the suspension bearing inner ring (3) that the cross section is a groove, and permanent magnet (6) is set in the groove.
2, according to the described permanent magnetic suspension mechanical rotor of claim 1, it is characterized in that: described unit head cavity is made of preceding cavity (4-9), rear chamber (4-2) two parts, and supporting bracket (4-6,4-3) fixed center permanent magnet (4-4) is set in the cavity.
3, according to the described permanent magnetic suspension mechanical rotor of claim 2, it is characterized in that: described unit head rear chamber (4-2) end is provided with permanent magnet (4-1).
4, according to the described permanent magnetic suspension mechanical rotor of claim 2, it is characterized in that: cavity (4-9) end is provided with diamagnetic material interlayer (4-8) before the described unit head.
5, according to the described permanent magnetic suspension mechanical rotor of claim 2, it is characterized in that: (4-9) before the described unit head, back (4-2) cavity are fixedly connected by the extended a plurality of magnetic conduction bars of rear chamber (4-2) (4-5).
6, according to the described permanent magnetic suspension mechanical rotor of claim 1, it is characterized in that: permanent magnet (4-4) stack combinations that described unit head cavity center is provided with one or more layers.
7, according to claim 1,2,3 or 4 described permanent magnetic suspension mechanical rotors, it is characterized in that: described permanent magnet and permeability magnetic material sheet (7) are provided with at interval, adhesive mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100737873A CN101567593A (en) | 2009-02-17 | 2009-02-17 | Permanent magnetic suspension mechanical rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100737873A CN101567593A (en) | 2009-02-17 | 2009-02-17 | Permanent magnetic suspension mechanical rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101567593A true CN101567593A (en) | 2009-10-28 |
Family
ID=41283614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100737873A Pending CN101567593A (en) | 2009-02-17 | 2009-02-17 | Permanent magnetic suspension mechanical rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101567593A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682635A (en) * | 2015-02-03 | 2015-06-03 | 北京科技大学 | Manufacturing method for magnesium metal rotor magnetic suspension alternating-current motor |
-
2009
- 2009-02-17 CN CNA2009100737873A patent/CN101567593A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682635A (en) * | 2015-02-03 | 2015-06-03 | 北京科技大学 | Manufacturing method for magnesium metal rotor magnetic suspension alternating-current motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091028 |