CN2163267Y - Inner bearing ring split magneto floating bearing - Google Patents
Inner bearing ring split magneto floating bearing Download PDFInfo
- Publication number
- CN2163267Y CN2163267Y CN 93222082 CN93222082U CN2163267Y CN 2163267 Y CN2163267 Y CN 2163267Y CN 93222082 CN93222082 CN 93222082 CN 93222082 U CN93222082 U CN 93222082U CN 2163267 Y CN2163267 Y CN 2163267Y
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- CN
- China
- Prior art keywords
- bearing sleeve
- permanent magnetic
- shaft bearing
- magnetic suspending
- inner ring
- 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.)
- Expired - Fee Related
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model relates to an inner bearing ring split type permanent magnetic suspension bearing. The problem that frictional force is too large when a bearing is rotated is solved. An upper inner ring split permanent magnetic suspension bearing sleeve (1) and a lower inner ring split permanent magnetic suspension bearing sleeve (2) are fixedly connected into an integral body by a fastening material (4) to become an inner ring bearing sleeve which has magnetism and is provided with a groove-shaped inner ring, and the convex platform of a magnetic outer ring permanent magnetic suspension bearing sleeve (3) is coated in the inner ring bearing sleeve. Due to the fact that the magnetic poles of the inner surface of an outer ring permanent magnetic suspension bearing sleeve (1) and the outer surface of the inner ring bearing sleeve which is provided with the groove-shaped inner ring are the same, and a gap is arranged between the outer ring permanent magnetic suspension bearing sleeve (1) and the inner ring bearing sleeve which is provided with the groove-shaped inner ring, therefore, the outer ring permanent magnetic suspension bearing sleeve (1) and the inner ring bearing sleeve which is provided with the groove-shaped inner ring can be suspended, and frictional force is reduced.
Description
The utility model relates to the split type permanent-magnet suspension bearing of a kind of inner bearing collar, is that a kind of frictional force that makes levels off to zero permanent-magnet suspension bearing.
Present known ferrite suspension bearing, produce the suspension bearing, air suspension bearing of magnetic force etc. with electromagnetism, all because of complex structure, magnetic are weak excessively, expense is high, weight is big, do not reach shortcomings such as high stability, make the suspension rotation of bearing become a kind of ideal, and in fact the frictional force of bearing is still very big.
The purpose of this utility model provides that a kind of simple in structure, in light weight, magnetic is strong, the frictional force that has that high stability, expense are low, bearing suspends when rotating levels off to zero the split type permanent-magnet suspension bearing of inner bearing collar.
The purpose of this utility model is achieved in that the split type permanent-magnet suspension bearing of inner bearing collar, by upper inner ring split permanent magnetic suspending shaft bearing sleeve (1), lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), outer shroud permanent magnetic suspending shaft bearing sleeve (3), fastener material (4) constitutes, it is characterized in that, outer shroud permanent magnetic suspending shaft bearing sleeve (3) is a cirque body, along stretching out a minimum boss to axial direction in the inwall of outer shroud permanent magnetic suspending shaft bearing sleeve (3) outer ring, the jack shaft of outer shroud permanent magnetic suspending shaft bearing sleeve (3) is to being cavity, upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) is a cirque body, jack shaft is to being cavity, the top of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) is along the minimum protruding boss of outer ring outer wall, the root diameter (RD) of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) upper boss is less than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, the external diameter of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) upper boss is greater than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is a cirque body, jack shaft is to being cavity, the bottom of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is along the minimum protruding boss of outer ring outer wall, the root diameter (RD) of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is less than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, the external diameter of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) upper boss is greater than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) covers outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out from the top, lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) covers outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out from the below, lower bottom plane, upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) outer ring and plane, top, lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) top, outer ring are symmetrical, with affixed being integral of fastener material (4), become the inner axle bearing sleeve of a fluted shape, in the inner axle bearing sleeve of fluted shape, distance between the parallel lines of the outwardly directed boss of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) bottom surface and the parallel lines of the outwardly directed boss end face of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), greater than the boss thickness that stretches out to axial direction in outer shroud permanent magnetic suspending shaft bearing sleeve (3) the outer ring inwall that is in same axial position, in the inner axle bearing sleeve of fluted shape, the axial position of the middle axial cavity of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) and lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is symmetrical, and the magnetic pole of the inner axle bearing sleeve outer surface of fluted shape is identical with the magnetic pole of the internal surface of outer shroud permanent magnetic suspending shaft bearing sleeve (3).Here said upper inner ring split permanent magnetic suspending shaft bearing sleeve (1), lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), outer shroud permanent magnetic suspending shaft bearing sleeve (3) are made with permanent-magnet material, and these permanent-magnet materials comprise: Nd-Fe-Bo permanent magnet material, samarium-cobalt permanent-magnetic material, iron samarium nitrogen permanent-magnet material etc.Here said fastener material (4) can be permanent magnetism class welding consumables (upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) and lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) being welded as a whole with these permanent magnetism class welding consumabless), also can be mechanical fastening device (as with bolt upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) and lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) being fixed as one).When making product described in the utility model, to note, upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) and the fastened material of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) (4) be affixed be integral become the inner axle of fluted shape bearing sleeve after, the magnetic pole of its internal surface is identical, and the magnetic line of force distribution of each symmetric points is close symmetrical; The magnetic pole of interior ring permanent magnetic suspending shaft bearing sleeve (3) outer surface is the same of phase, and the magnetic line of force of each corresponding point is close symmetrical.The magnetic pole of the interior ring permanent magnetic suspending shaft bearing sleeve internal surface of fluted shape is identical with the magnetic pole of the outer surface of outer shroud permanent magnetic suspending shaft bearing sleeve (3).Because the magnetic pole between the two is identical, no matter and then make whether have between the two under situation of external force influence, be in state of suspension all the time, and then make the frictional force of this bearing when rotating level off to zero.
Owing to adopted such scheme, goal of the invention of the present utility model is achieved.
Below in conjunction with drawings and Examples the utility model is further specified.It provides four accompanying drawings the utility model.
Fig. 1 is the plan view of the split type permanent-magnet suspension bearing schematic representation of inner bearing collar.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the plan view of the split type permanent-magnet suspension bearing most preferred embodiment of inner bearing collar schematic representation.
Fig. 4 is the plan view of Fig. 3.
Among the figure: (1) upper inner ring split permanent magnetic suspending shaft bearing sleeve
(2) lower inner ring split permanent magnetic suspending shaft bearing sleeve
(3) outer shroud permanent magnetic suspending shaft bearing sleeve (4) fastener material
Most preferred embodiment:
As can be seen, all the other are all identical with the split type permanent-magnet suspension bearing of above-mentioned inner bearing collar for the split type permanent-magnet suspension bearing of the described inner bearing collar of present embodiment from Fig. 3 and Fig. 4.Difference is that the inner ring third side of outer shroud permanent magnetic suspending shaft bearing sleeve (3) is a triangle body to the boss ring that axially stretches out inwardly.And form by upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) and lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), and by the inner axle bearing sleeve of a fluted shape of fastener material (4) (fastener material of present embodiment (4) is a bolt, also can weld) affixed one-tenth; The groove of the inner axle bearing sleeve of this fluted shape is recessed triangle body ring; This recessed triangle body is supporting with outer shroud permanent magnetic suspending shaft bearing sleeve (3).The protruding triangle body ring of outer shroud permanent magnetic suspending shaft bearing sleeve (3) can be at the recessed triangle body ring inner suspension of the inner axle bearing sleeve of fluted shape and is not collided periphery.The magnetic pole of the outer surface of the interior ring levitation axis bearing sleeve of fluted shape is identical, and the magnetic pole of the internal surface of outer shroud permanent magnetic suspending shaft bearing sleeve (3) also is identical, and both magnetic poles also are identical.The recessed triangle body ring of the interior ring levitation axis bearing sleeve of the inner convex platform ring of outer shroud permanent magnetic suspending shaft bearing sleeve (3) and fluted shape becomes triangle body to cooperate, and is relevant with the size of magnetic force.The more little sharp more then magnetic force of the angle of the triangle body that this is supporting is more little, bears external force and the power that can continue to suspend is also more little.Otherwise the angle of the triangle body that this is supporting is big and sharp more more little, even then magnetic force is big more not have point.The power of bearing external force and can continue to suspend is also big more.
Claims (6)
1, the split type permanent-magnet suspension bearing of inner bearing collar, by upper inner ring split permanent magnetic suspending shaft bearing sleeve (1), lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), outer shroud permanent magnetic suspending shaft bearing sleeve (3), fastener material (4) constitutes, it is characterized in that, outer shroud permanent magnetic suspending shaft bearing sleeve (3) is a cirque body, along stretching out a minimum boss to axial direction in the inwall of outer shroud permanent magnetic suspending shaft bearing sleeve (3) outer ring, the jack shaft of outer shroud permanent magnetic suspending shaft bearing sleeve (3) is to being cavity, upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) is a cirque body, jack shaft is to being cavity, the top of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) is along the minimum protruding boss of outer ring outer wall, the root diameter (RD) of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) upper boss is less than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, the external diameter of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) upper boss is greater than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is a cirque body, jack shaft is to being cavity, the bottom of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is along the minimum protruding boss of outer ring outer wall, the root diameter (RD) of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is less than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, the external diameter of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) upper boss is greater than the internal diameter of outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out, upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) covers outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out from the top, lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) covers outer shroud permanent magnetic suspending shaft bearing sleeve (3) to the boss that axially stretches out from the below, lower bottom plane, upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) outer ring and plane, top, lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) top, outer ring are symmetrical, with affixed being integral of fastener material (4), become the inner axle bearing sleeve of a fluted shape, in the inner axle bearing sleeve of fluted shape, distance between the parallel lines of the outwardly directed boss of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) bottom surface and the parallel lines of the outwardly directed boss end face of lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), greater than the boss thickness that stretches out to axial aspect in outer shroud permanent magnetic suspending shaft bearing sleeve (3) the outer ring inwall that is in same axial position, in the inner axle bearing sleeve of fluted shape, the axial position of the middle axial cavity of upper inner ring split permanent magnetic suspending shaft bearing sleeve (1) and lower inner ring split permanent magnetic suspending shaft bearing sleeve (2) is symmetrical, and the magnetic pole of the inner axle bearing sleeve outer surface of fluted shape is identical with the magnetic pole of the internal surface of outer shroud permanent magnetic suspending shaft bearing sleeve (3).
2, the split type permanent-magnet suspension bearing of inner bearing collar according to claim 1, it is characterized in that said upper inner ring split permanent magnetic suspending shaft bearing sleeve (1), lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), outer shroud permanent magnetic suspending shaft bearing sleeve (3), make with NdFeB material.
3, the split type permanent-magnet suspension bearing of inner bearing collar according to claim 1 is characterized in that said upper inner ring split permanent magnetic suspending shaft bearing sleeve (1), lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), outer shroud permanent magnetic suspending shaft bearing sleeve (3) make with samarium-cobalt permanent-magnetic material.
4, the split type permanent-magnet suspension bearing of inner bearing collar according to claim 1 is characterized in that said upper inner ring split permanent magnetic suspending shaft bearing sleeve (1), lower inner ring split permanent magnetic suspending shaft bearing sleeve (2), outer shroud permanent magnetic suspending shaft bearing sleeve (3) are to make with iron samarium nitrogen permanent-magnet material.
5, the split type permanent-magnet suspension bearing of inner bearing collar according to claim 1 is characterized in that said fastener material (4) is a permanent magnetism class welding consumables.
6, the split type permanent-magnet suspension bearing of inner bearing collar according to claim 1 is characterized in that said fastener material (4) is a mechanical fastening device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222082 CN2163267Y (en) | 1993-08-25 | 1993-08-25 | Inner bearing ring split magneto floating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222082 CN2163267Y (en) | 1993-08-25 | 1993-08-25 | Inner bearing ring split magneto floating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2163267Y true CN2163267Y (en) | 1994-04-27 |
Family
ID=33800765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93222082 Expired - Fee Related CN2163267Y (en) | 1993-08-25 | 1993-08-25 | Inner bearing ring split magneto floating bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2163267Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539166B (en) * | 2009-04-16 | 2010-12-22 | 王铮 | Magnetic suspension bearing |
-
1993
- 1993-08-25 CN CN 93222082 patent/CN2163267Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539166B (en) * | 2009-04-16 | 2010-12-22 | 王铮 | Magnetic suspension bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Tao Yifei Document name: Notice of termination |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |