CN103697062A - Precise integrated magnetic floating bearing - Google Patents
Precise integrated magnetic floating bearing Download PDFInfo
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- CN103697062A CN103697062A CN201310670805.2A CN201310670805A CN103697062A CN 103697062 A CN103697062 A CN 103697062A CN 201310670805 A CN201310670805 A CN 201310670805A CN 103697062 A CN103697062 A CN 103697062A
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- magnetosphere
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Abstract
The invention discloses a precision integrated magnetic floating bearing and relates to the technical field of bearings. The precise integrated magnetic floating bearing comprises an outer ring (1), an inner ring (10), a ring seat A (2), a ring seat B (16) and a screw (3), wherein the outer ring (1) which is in running fit with the inner ring (10) is arranged at the exterior of the inner ring (10); the ring seat A (2) and the ring seat B (16) which are fixedly connected with each other by virtue of screws (3) are respectively arranged at two ends of the outer ring (1). The precise integrated magnetic floating bearing is compact in structure, simple in structure and convenient for processing and mounting; furthermore, the rotating precision of the precision integrated magnetic floating bearing is obviously improved.
Description
[technical field]
The present invention relates to a kind of technical field of bearings, specifically the present invention relates to a kind of accurate integration magnetic levitation 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 invention discloses a kind of accurate integration magnetic levitation bearing, described accurate integration magnetic levitation 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 accurate integration magnetic levitation bearing.
For achieving the above object, the present invention adopts following technological scheme:
An accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 present invention has following superiority:
Accurate integration magnetic levitation bearing of the present invention 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 accurate integration magnetic levitation bearing.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention;
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 present invention, the present invention is not limited to the following examples;
Accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation 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 accurate integration magnetic levitation bearing of the present invention, described accurate integration magnetic levitation 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, 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 accurate integration magnetic levitation bearing.
Part not in the detailed description of the invention is prior art.
The embodiment who selects in this article in order to disclose goal of the invention of the present invention, currently thinks suitablely, still, will be appreciated that, the present invention is intended to comprise that all belong to all changes and the improvement of the embodiment in this design and invention scope.
Claims (8)
1. an accurate integration magnetic levitation 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).
2. accurate integration magnetic levitation bearing according to claim 1, it is characterized in that: 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.
3. accurate integration magnetic levitation 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.
4. accurate integration magnetic levitation 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).
5. according to the accurate integration magnetic levitation bearing described in claim 3 or 4, it is characterized in that: described radially outer magnetic ring (5), axially magnetosphere A(6); Axial magnetosphere B(7), axial magnetosphere C(12), axial magnetosphere D(13) and the material of the inside magnetosphere in footpath (14) be magnet.
6. according to the accurate integration magnetic levitation bearing described in claim 3,4 and 5, it is characterized in that: described axial magnetosphere A(6) and axial magnetosphere B(7) between be provided with gap, described axial magnetosphere A(6) and axial magnetosphere B(7) mutual correspondence and two like magnetic poles repel each other setting.
7. according to the accurate integration magnetic levitation bearing described in claim 2,4 and 5, it is characterized in that: described axial magnetosphere D(13) and axial magnetosphere C(12) between 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.
8. according to the accurate integration magnetic levitation bearing described in claim 3 and 5, it is characterized in that: 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.
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CN201310670805.2A CN103697062B (en) | 2013-12-12 | 2013-12-12 | Precise integrated magnetic floating bearing |
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CN201310670805.2A CN103697062B (en) | 2013-12-12 | 2013-12-12 | Precise integrated magnetic floating bearing |
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CN103697062A true CN103697062A (en) | 2014-04-02 |
CN103697062B CN103697062B (en) | 2017-01-18 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736568A (en) * | 2016-04-29 | 2016-07-06 | 新昌县羽林街道鑫博机械厂 | Automatic pre-tightening type magnetic suspension bearing |
CN107946069A (en) * | 2017-11-27 | 2018-04-20 | 北京石油化工学院 | A kind of magnetic suspension bearing winding precision bobbin winder device |
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 |
Citations (6)
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JPS49128950U (en) * | 1973-03-07 | 1974-11-06 | ||
JPS5560719A (en) * | 1978-10-27 | 1980-05-08 | Toshiba Corp | Magnetic bearing |
JPS59128927U (en) * | 1983-12-26 | 1984-08-30 | 日本電信電話株式会社 | magnetic bearing |
CN1315774A (en) * | 2000-03-29 | 2001-10-03 | 三星电机株式会社 | Contactless driven electric machine |
CN202451603U (en) * | 2012-02-24 | 2012-09-26 | 洛阳轴研科技股份有限公司 | Combined magnetic suspension bearing |
CN203796751U (en) * | 2013-12-12 | 2014-08-27 | 洛阳轴研科技股份有限公司 | Magnetic bearing |
-
2013
- 2013-12-12 CN CN201310670805.2A patent/CN103697062B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49128950U (en) * | 1973-03-07 | 1974-11-06 | ||
JPS5560719A (en) * | 1978-10-27 | 1980-05-08 | Toshiba Corp | Magnetic bearing |
JPS59128927U (en) * | 1983-12-26 | 1984-08-30 | 日本電信電話株式会社 | magnetic bearing |
CN1315774A (en) * | 2000-03-29 | 2001-10-03 | 三星电机株式会社 | Contactless driven electric machine |
CN202451603U (en) * | 2012-02-24 | 2012-09-26 | 洛阳轴研科技股份有限公司 | Combined magnetic suspension bearing |
CN203796751U (en) * | 2013-12-12 | 2014-08-27 | 洛阳轴研科技股份有限公司 | Magnetic bearing |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105736568A (en) * | 2016-04-29 | 2016-07-06 | 新昌县羽林街道鑫博机械厂 | Automatic pre-tightening type magnetic suspension bearing |
CN105736568B (en) * | 2016-04-29 | 2018-12-14 | 江苏众志达新能源科技有限公司 | A kind of magnetic suspension bearing voluntarily pre-tightened |
CN107946069A (en) * | 2017-11-27 | 2018-04-20 | 北京石油化工学院 | A kind of magnetic suspension bearing winding precision bobbin winder device |
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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Effective date of registration: 20180509 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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