CN101463867A - Magnetic suspension bearing of circular rail - Google Patents
Magnetic suspension bearing of circular rail Download PDFInfo
- Publication number
- CN101463867A CN101463867A CNA2007101440507A CN200710144050A CN101463867A CN 101463867 A CN101463867 A CN 101463867A CN A2007101440507 A CNA2007101440507 A CN A2007101440507A CN 200710144050 A CN200710144050 A CN 200710144050A CN 101463867 A CN101463867 A CN 101463867A
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- China
- Prior art keywords
- bearing
- magnetic
- circular rail
- magnetic suspension
- permanent magnetic
- Prior art date
- 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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- Wind Motors (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a circular orbit magnetic suspension bearing. The invention thoroughly replaces the currently widely used shaft bushing bearing, ball bearing, roller bearing or plane thrust bearing. The circular orbit magnetic suspension bearing is composed by a permanent magnetic circular orbit equipped with a permanent magnetic sliding block of the same polarity; a magnetic gap is formed due to the repellent polarity between the sliding block and the orbit, so that the sliding block and the orbit do not have direct mechanical contact, and in theory the mechanical friction resistance is not generated, therefore, the starting moment is relatively small, the vibration is relatively low, the supporting surface is large, the stability is good, the service life is long and the maintenance cost is low, thus satisfying the new technical requirements of low energy consumption and high-new equipment. The permanent magnetic sliding block and the circular orbit can be manufactured with rare-earth permanent magnetic material or other permanent magnetic material; in addition, the bearing can be manufactured into a series products of large, medium and small-specification, can be widely used in electromechanical industries, especially has prominent advantages when being applied in large and medium-sized hydraulic generator and wind generator.
Description
Patent of the present invention relates to a kind of magnetic suspension bearing of circular rail that is different from traditional bearing.Present widely used bearing shell bearing, ball bearing, roller bearing or plain thrust bearing surface friction drag and starting moment are all bigger, the requirement of incompatibility scientific and technological progress, the especially large volume of big-and-middle-sized water turbine of incompatibility and wind energy conversion system, big load and high-speed requirement.The task of patent of the present invention provides a kind of low surface friction drag and low starting moment and can adapt to the new departure that runs up.
For solving above-mentioned task, the solution that patent of the present invention adopts is that the permanent magnetic slider that utilizes permanent magnetic ring-shaped track to be equipped with identical polar is formed magnetic suspension bearing of circular rail, because the magnetic polarity between slide block and the track is repelled each other, forms magnetic gap, make and do not have the direct mechanical contact between slide block and the track, can not produce mechanical friction resistance in theory,, vibrate relative lower yet so starting moment is just relative very little, supporting surface is big, stability is good, long service life, and maintenance cost is also low.
Permanent magnetic slider and ring track adopt rare earth permanent-magnetic material or other permanent-magnet materials to make.Can be designed to rectangle, prismatic, various section configurations such as trapezoidal by mechanical characteristic.Slide block can be designed to integral body or split pattern.Bearing can be made into the different size series product and selects for use for the client.
To the member that has special centering to require, can establish axial alignment bearing at the bearing support center.Alignment bearing can adopt magnetic suspension, oil-containing bearing shell, fluoroplastic or other structures.
Patent of the present invention can be widely used in the various machineries of electromechanical industries, especially to be used for big-and-middle-sized hydraulic turbine generator and the wind-driven generator advantage is more outstanding.
Below in conjunction with drawings and Examples patent of the present invention is described further, accompanying drawing 1 is an embodiment's of a patent of the present invention schematic representation, wherein the permanent magnetic ring-shaped track of (1) bearing support (2) permanent magnetic slider (3)
Claims (4)
1, a kind of magnetic suspension bearing, its special card is to adopt the identical polar permanent magnet to make slide block and ring track, form bearing pair, because the same sex is repelled each other, there are magnetic gap between the two in slide block and ring track, constitute the magnetic suspension bearing of circular rail (being called for short the circular rail magnetic levitation bearing) that does not have the direct mechanical contact.
2, a kind of magnetic suspension bearing, its special card is that the circular rail magnetic levitation bearing pair adopts rare earth permanent-magnetic material or other permanent-magnet material manufacturings.
3, a kind of magnetic suspension bearing, its special card are that the supporting surface area of circular rail magnetic levitation bearing and shape can be according to calculation of parameter such as carrying size and linear velocities, and the bearing pair section can be designed to rectangle, prismatic, trapezoidal or other shapes.
4, a kind of magnetic suspension bearing, its special card are that the circular rail magnetic levitation bearing can be made into large, medium and small specification series product and selects for use for all trades and professions, and its circular rail magnetic levitation bearing advantage that is used for big-and-middle-sized wind power generating set and hydroelectric power unit is particularly outstanding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101440507A CN101463867A (en) | 2007-12-19 | 2007-12-19 | Magnetic suspension bearing of circular rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101440507A CN101463867A (en) | 2007-12-19 | 2007-12-19 | Magnetic suspension bearing of circular rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101463867A true CN101463867A (en) | 2009-06-24 |
Family
ID=40804590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101440507A Pending CN101463867A (en) | 2007-12-19 | 2007-12-19 | Magnetic suspension bearing of circular rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101463867A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443576A (en) * | 2015-12-18 | 2016-03-30 | 贵州大学 | Large bearing axial mixing magnetic bearing |
-
2007
- 2007-12-19 CN CNA2007101440507A patent/CN101463867A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443576A (en) * | 2015-12-18 | 2016-03-30 | 贵州大学 | Large bearing axial mixing magnetic bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090624 |