CN203796751U - Magnetic bearing - Google Patents
Magnetic bearing Download PDFInfo
- Publication number
- CN203796751U CN203796751U CN201320812633.3U CN201320812633U CN203796751U CN 203796751 U CN203796751 U CN 203796751U CN 201320812633 U CN201320812633 U CN 201320812633U CN 203796751 U CN203796751 U CN 203796751U
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- Prior art keywords
- magnetosphere
- ring
- axial
- magnetic
- suspension bearing
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Abstract
The utility model discloses a magnetic bearing and relates to the technical field of bearings. The magnetic bearing comprises an outer ring (1), an inner ring (10), a ring seat A (2), a ring seat B (16) and screws (3), wherein the outer ring (1) matched with the inner ring (10) in a rotating manner is arranged outside the inner ring (10), and the ring seat A (2) and the ring seat B (16) are fixedly connected to two ends of the outer ring (1) by the screws (3), respectively. The magnetic bearing is compact and simple in structure and convenient to machine and install, and the rotating precision of the precision integrated magnetic bearing is improved remarkably.
Description
[technical field]
The utility model relates to technical field of bearings, and specifically the utility model relates to a kind of magnetic suspension bearing.
[background technique]
Known, magnetic suspension bearing be utilize magnetic force by rotor suspension in the air, making does not have Mechanical Contact between rotor and stator, its principle is that magnetic induction line becomes vertical with magnetic flotation line, axle core is parallel with magnetic flotation line, so the weight of rotor is just fixed on the track of running, utilizing is almost that non-loaded axle core is shored toward anti-magnetic flotation line direction, form whole rotor unsettled, on fixing running track; Compare with traditional rolling bearing, sliding bearing and joint shaft bearing, there is not Mechanical Contact in magnetic suspension bearing, rotor can run to very high rotating speed, have that mechanical wear is little, energy consumption is low, noise is little, the life-span is long, without lubricated, without advantages such as oil pollutions, be specially adapted in high speed, vacuum, the particular surroundings such as ultra-clean.
Current magnetic suspension bearing generally includes permanent-magnet suspension bearing, electromagnetic suspension bearing and hybrid magnetic suspension bearing, and electromagnetic suspension bearing and hybrid magnetic suspension bearing need a whole set of monitoring and control system conventionally, complex structure not only, and volume is large, and cost is higher; Chinese patent CN 202451603 U, this patent Introduction a kind of combined magnetic suspension bearing, this patent volume is little, be convenient to install and adjust and interchangeability is good, but this patent offers annular groove in inner ring Thrust Faces, it is very difficult in Thrust Faces, processing annular groove, not only be difficult for precision machining, and limited running accuracy.
[summary of the invention]
In order to overcome the deficiency in background technique, the utility model discloses a kind of magnetic suspension bearing, described magnetic suspension bearing adopts two cover thrust magnetic suspension bearing and integrated the forming of centripetal magnetic suspension bearing, by will be radially outer magnetic ring 5 and two like magnetic poles repel each other mutual corresponding with the inside magnetosphere 14 in footpath arrange, realized the suspension of inner ring 10; Compact structure of the present invention, simple in structure, be convenient to processing and install and significantly improved the running accuracy of magnetic suspension bearing.
For achieving the above object, the utility model adopts following technological scheme:
A magnetic suspension bearing, comprises outer ring, inner ring, ring support A, ring support B and screw, is provided with the outer ring being rotatably assorted with inner ring in the outside of inner ring, is respectively equipped with the ring support A and the ring support B that by screw, are fixedly connected with at the two ends of outer ring.
Described magnetic suspension bearing, one end of described inner ring is provided with first step and second step, the other end at inner ring is provided with the 3rd step and the 4th step, the diameter of described second step is greater than the diameter of first step, described first step is arranged in the axis hole of ring support A, step surface at second step is provided with axial magnetosphere B, the diameter of the 4th described step is greater than the diameter of the 3rd step, step surface at the 3rd step is provided with axial magnetosphere C, at the step surface of the 4th step, is provided with successively the inside magnetosphere in footpath and internal locking nut.
Described magnetic suspension bearing, in the both ends of the surface of outer ring, be interval with respectively a plurality of screws, on the step surface of outer ring inwall, be provided with successively radially outer magnetic ring and outer locking nut, described ring support A, ring support B are connected with a plurality of screws in the both ends of the surface of outer ring by screw respectively.
Described magnetic suspension bearing, described ring support A, ring support B are step-like ringwise, are provided with axial magnetosphere A on the step surface of ring support A, are provided with axial magnetosphere D on ring support B step surface.
Described magnetic suspension bearing, described radially outer magnetic ring, axially magnetosphere A; Axially the material of magnetosphere B, axial magnetosphere C, axial magnetosphere D and the inside magnetosphere in footpath is magnet.
Described magnetic suspension bearing, is provided with gap between described axial magnetosphere A and axial magnetosphere B, described axial magnetosphere A and the axially mutual correspondence of magnetosphere B and two like magnetic poles repel each other setting.
Described magnetic suspension bearing, is provided with gap between described axial magnetosphere D and axial magnetosphere C, described axial magnetosphere D and the axially mutual correspondence of magnetosphere C and two like magnetic poles repel each other setting.
Described magnetic suspension bearing, is provided with gap between the inside magnetosphere of described radially outer magnetic ring and footpath, described radially outer magnetic ring and the mutual corresponding and two like magnetic poles repel each other setting of the inside magnetosphere in footpath.
Owing to having adopted technique scheme, the utlity model has following superiority:
Magnetic suspension bearing described in the utility model adopts two cover thrust magnetic suspension bearing and integrated the forming of centripetal magnetic suspension bearing, and by outer magnetic ring 5 radially, and two like magnetic poles repel each other mutual corresponding with the inside magnetosphere 14 in footpath arranges, and realized the suspension of inner ring 10; Compact structure of the present invention, simple in structure, be convenient to processing and install and significantly improved the running accuracy of magnetic suspension bearing.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
In the drawings: 1, outer ring; 2, ring support A; 3, screw; 4, outer locking nut; 5, outer magnetic ring radially; 6, axial magnetosphere A; 7, axial magnetosphere B; 8, first step; 9, second step; 10, inner ring; 11, the 3rd step; 12, axial magnetosphere C; 13, axial magnetosphere D; 14, the inside magnetosphere in footpath; 15, internal locking nut; 16, ring support B.
[embodiment]
By the following examples, can explain in more detail the utility model, the utility model is not limited to the following examples;
Magnetic suspension bearing described in 1 by reference to the accompanying drawings, comprise outer ring 1, inner ring 10, ring support A2, ring support B16 and screw 3, in the outside of inner ring 10, be provided with the outer ring 1 being rotatably assorted with inner ring 10, one end of described inner ring 10 is provided with first step 8 and second step 9, the other end at inner ring 10 is provided with the 3rd step 11 and the 4th step 17, the diameter of described second step is greater than the diameter of first step, described first step 8 is arranged in the axis hole of ring support A2, step surface at second step is provided with axial magnetosphere B7, the diameter of the 4th described step 17 is greater than the diameter of the 3rd step 11, step surface at the 3rd step 11 is provided with axial magnetosphere C12, step surface at the 4th step 17 is provided with the inside magnetosphere 14 in footpath and internal locking nut 15 successively, in outer ring, 1 two ends are respectively equipped with ring support A2 and the ring support B16 being fixedly connected with by screw 3, in the both ends of the surface of outer ring 1, be interval with respectively a plurality of screws, be provided with successively radially outer magnetic ring 5 and outer locking nut 4 on the step surface of outer ring 1 inwall, described ring support A2, ring support B16 are connected with a plurality of screws in 1 both ends of the surface of outer ring by screw 3 respectively, described ring support A2, ring support B16 are step-like ringwise, are provided with axial magnetosphere A6 on the step surface of ring support A2, are provided with axial magnetosphere D13 on ring support B16 step surface, described radially outer magnetic ring 5, axially magnetosphere A6, axially the material of magnetosphere B7, axial magnetosphere C12, axial magnetosphere D13 and the inside magnetosphere 14 in footpath is magnet, between the inside magnetosphere 14 in described radially outer magnetic ring 5 and footpath, be provided with gap, described radially outer magnetic ring 5 and the mutual corresponding and two like magnetic poles repel each other setting of the inside magnetosphere 14 in footpath, described magnetic suspension bearing, is provided with gap between described axial magnetosphere A6 and axial magnetosphere B7, described axial magnetosphere A6 and the axially mutual correspondence of magnetosphere B7 and two like magnetic poles repel each other setting, described magnetic suspension bearing, is provided with gap between described axial magnetosphere D13 and axial magnetosphere C12, described axial magnetosphere D13 and the axially mutual correspondence of magnetosphere C12 and two like magnetic poles repel each other setting.
Implement magnetic suspension bearing described in the utility model, described magnetic suspension bearing is by two thrust magnetic suspension bearings and integrated forming of centripetal magnetic suspension bearing, the ring support A2 that axial magnetosphere A6 is installed is combined into a thrust magnetic suspension bearing with the inner ring 10 that axial magnetosphere axial magnetic circle B7 is installed, described ring support A2 and ring support B16 are step-like ringwise, the axial magnetosphere A6 being arranged on the step surface of ring support A2 defines moving radially of axial magnetosphere A6, and the axial magnetosphere D13 being arranged on ring support B16 step surface defines moving radially of axial magnetosphere D13; The ring support B16 that axial magnetosphere D13 is installed is combined into another thrust magnetic suspension bearing with the inner ring 10 that axial magnetosphere C12 is installed, and the axial magnetosphere C 12 that is arranged on inner ring 10 the 3rd step 11 defines moving radially of axial magnetosphere C 12 and axial magnetosphere B 7 with the axial magnetosphere B 7 that is arranged on inner ring 10 second steps 9; The radially outer ring 1 of outer magnetic ring 5 is installed and is combined into a centripetal magnetic suspension bearing with the inner ring 10 that the inside magnetosphere 14 in footpath is installed, one end of the inside magnetosphere 14 in footpath and the step surface axial limiting on inner ring 10, the internal locking nut 15 that the other end of the inside magnetosphere 14 in footpath is rotated on inner ring 10 is locked; The step surface axial limiting on one end of outer magnetic ring 5 and outer ring 1 radially, the outer locking nut 4 that radially the other end of outer magnetic ring 5 is rotated on outer ring 1 is locked; Two described thrust magnetic suspension bearings and the magnetosphere of a centripetal magnetic suspension bearing are homopolar-repulsion setting to opposite, by screw 3 by two thrust magnetic suspension bearings and the integrated integration magnetic levitation bearing that can bear axial force again can bearing radial force of centripetal magnetic suspension bearing; Compact structure of the present invention, simple in structure, be convenient to processing and install and significantly improved the running accuracy of magnetic suspension bearing.
The utility model does not describe part in detail for prior art.
The embodiment who selects in this article in order to disclose goal of the invention of the present utility model, currently thinks suitablely, still, will be appreciated that, the utility model is intended to comprise that all belong to all changes and the improvement of the embodiment within the scope of this design and model utility.
Claims (5)
1. a magnetic suspension bearing, comprise outer ring (1), inner ring (10), ring support A(2), ring support B(16) and screw (3), it is characterized in that: in the outside of inner ring (10), be provided with the outer ring (1) being rotatably assorted with inner ring (10), in outer ring, the two ends of (1) are respectively equipped with the ring support A(2 being fixedly connected with by screw (3)) and ring support B(16), one end of described inner ring (10) is provided with first step (8) and second step (9), the other end at inner ring (10) is provided with the 3rd step (11) and the 4th step (17), the diameter of described second step is greater than the diameter of first step, described first step (8) is arranged on ring support A(2) axis hole in, step surface at second step is provided with axial magnetosphere B(7), the diameter of the 4th described step (17) is greater than the diameter of the 3rd step (11), step surface at the 3rd step (11) is provided with axial magnetosphere C(12), step surface at the 4th step (17) is provided with the inside magnetosphere in footpath (14) and internal locking nut (15) successively.
2. magnetic suspension bearing according to claim 1, it is characterized in that: in the both ends of the surface of outer ring (1), be interval with respectively a plurality of screws, on the step surface of outer ring (1) inwall, be provided with successively radially outer magnetic ring (5) and outer locking nut (4), described ring support A(2), ring support B(16) be connected with a plurality of screws in the both ends of the surface of outer ring (1) by screw (3) respectively.
3. magnetic suspension bearing according to claim 1, it is characterized in that: described ring support A(2), ring support B(16) step-like ringwise, at ring support A(2) step surface on be provided with axial magnetosphere A(6), at ring support B(16) be provided with axial magnetosphere D(13 on step surface).
4. magnetic suspension bearing according to claim 2, it is characterized in that: the material of the inside magnetosphere of described radially outer magnetic ring (5) and footpath (14) is magnet, between the inside magnetosphere of described radially outer magnetic ring (5) and footpath (14), be provided with gap, described radially outer magnetic ring (5) and the inside magnetosphere in footpath (14) corresponding and two like magnetic poles repel each other setting mutually.
5. magnetic suspension bearing according to claim 3, it is characterized in that: described axial magnetosphere A(6), axial magnetosphere B(7), axial magnetosphere C(12) and axial magnetosphere D(13) material be magnet, described axial magnetosphere A(6) and axially magnetosphere B(7), be provided with gap, described axial magnetosphere A(6) and axially magnetosphere B(7) correspondence and two like magnetic poles repel each other setting mutually, described axial magnetosphere D(13) and axially magnetosphere C(12), be provided with gap, described axial magnetosphere D(13) and axial magnetosphere C(12) mutual correspondence and two like magnetic poles repel each other setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812633.3U CN203796751U (en) | 2013-12-12 | 2013-12-12 | Magnetic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320812633.3U CN203796751U (en) | 2013-12-12 | 2013-12-12 | Magnetic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796751U true CN203796751U (en) | 2014-08-27 |
Family
ID=51378964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320812633.3U Expired - Fee Related CN203796751U (en) | 2013-12-12 | 2013-12-12 | Magnetic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796751U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697062A (en) * | 2013-12-12 | 2014-04-02 | 洛阳轴研科技股份有限公司 | Precise integrated magnetic floating bearing |
| CN107131211A (en) * | 2017-05-23 | 2017-09-05 | 山西北方机械制造有限责任公司 | A kind of Permanent-magnet bearing |
| CN107646078A (en) * | 2015-05-21 | 2018-01-30 | 蒂森克虏伯罗特艾德有限公司 | Radial-axial magnetic bearing with integral type bearing support and the method for operating the magnetic bearing |
| CN108443321A (en) * | 2018-05-08 | 2018-08-24 | 山东锋钢机械设备有限公司 | A kind of permanent magnetism type magnetic suspension bearing pair |
-
2013
- 2013-12-12 CN CN201320812633.3U patent/CN203796751U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697062A (en) * | 2013-12-12 | 2014-04-02 | 洛阳轴研科技股份有限公司 | Precise integrated magnetic floating bearing |
| CN103697062B (en) * | 2013-12-12 | 2017-01-18 | 洛阳轴研科技股份有限公司 | Precise integrated magnetic floating bearing |
| CN107646078A (en) * | 2015-05-21 | 2018-01-30 | 蒂森克虏伯罗特艾德有限公司 | Radial-axial magnetic bearing with integral type bearing support and the method for operating the magnetic bearing |
| CN107646078B (en) * | 2015-05-21 | 2020-01-17 | 蒂森克虏伯罗特艾德有限公司 | Radial-axial magnetic bearing with integrated support bearing and method for operating the same |
| US10578157B2 (en) | 2015-05-21 | 2020-03-03 | Thyssenkrupp Rothe Erde Gmbh | Radial-axial magnetic bearing having an integrated back-up bearing and method for operating the magnetic bearing |
| CN107131211A (en) * | 2017-05-23 | 2017-09-05 | 山西北方机械制造有限责任公司 | A kind of Permanent-magnet bearing |
| CN108443321A (en) * | 2018-05-08 | 2018-08-24 | 山东锋钢机械设备有限公司 | A kind of permanent magnetism type magnetic suspension bearing pair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180521 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: LUOYANG BEARING RESEARCH INSTITUTE Co.,Ltd. Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: LUOYANG BEARING SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20211212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |