CN202048102U - Conical magnetic suspension bearing with closed magnetic circuit - Google Patents
Conical magnetic suspension bearing with closed magnetic circuit Download PDFInfo
- Publication number
- CN202048102U CN202048102U CN2011200298703U CN201120029870U CN202048102U CN 202048102 U CN202048102 U CN 202048102U CN 2011200298703 U CN2011200298703 U CN 2011200298703U CN 201120029870 U CN201120029870 U CN 201120029870U CN 202048102 U CN202048102 U CN 202048102U
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- Prior art keywords
- magnetic
- bearing
- stator
- rotor
- fixed
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- Expired - Fee Related
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Abstract
The utility model discloses a conical magnetic suspension bearing with a closed magnetic circuit. The conical magnetic suspension bearing aims at that when a stator and a rotor of a permanent magnetic bearing is matched with each other in a conical surface way, the size of the air gap can be adjustable, and the coaxiality between central lines of two bearing seats used by pairs can be adjustable, thereby avoding the position error of the bearing seats caused by processing and mounting errors, meanwhile, the repulsion force between the stator and the rotor can be changed by adjusting the area of the air gap so as to cause the rotor of the magnetic bearing to stay in a preferable state. The closed magnetic circuit arranged in the conical magnetic suspension bearing can increase the magnetic force between the original stator and the rotor by more than 0.5 times through scientific arrangement of magnetic blocks, and the bearing capacity of the magnetic bearing can be effectively improved so as to achieve the effect of improving the running capacity of the bearing; the conical magnetic suspension bearing can be totally closed in a partial space magnetic field without magnetic pollution; and the conical magnetic suspension bearing with the closed magnetic circuit is simple and practical and is suitable for industrial production.
Description
Invention field
The utility model relates to a kind of bearing, particularly a kind of taper magnetic bearing with closed magnetic path.
Background technique
Bearing (bearing) is the fixed member in the machinery.When other parts produce relative movement each other on axle, be used for retainer shaft the central position and control the parts of this motion, just be referred to as bearing.
Magnetic suspension bearing in the past, when rotor magnetic ring and stator magnetic ring are the cylndrical surface, it is just fixed that magnet ring machines the back size of gaps, can not change, and just utilizes the biasing in magnetic field or the magnetic field of having chance with to make the gap between rotor magnetic ring and the stator magnetic ring even afterwards.Concerning the permanent magnetism magnetic suspension bearing, magnetic force determines that the size of back air gap area has influence on the repulsion size between the stator and rotor, and air gap is even more, and the bearing rotational resistance is just more little.For the circular cone magnetic suspension bearing, cause is paired use, the size of the bearing air gap that the length alignment error between two bearing supports just directly influences, and then have influence on repulsion size between the magnetic suspension bearing stator and rotor magnet ring, therefore the fine setting apart from length between two bearing supports is very important, simultaneously because installation errors, coaxality between two bearing support center lines also is to have certain error, can make magnetic suspension bearing reach a better working state by adjusting two coaxalitys between the bearing support center line.
The model utility content
The utility model purpose is to overcome deficiency of the prior art, discloses a kind of taper magnetic bearing with closed magnetic path.
The utility model purpose is achieved by the following technical solution:
The taper magnetic bearing of the utility model band closed magnetic path comprises: axially adjust bolt 1, axial locking nut 2, bearing support 3, clamping bolt 4, bearing protecting cover 5, axle 6, rotor magnetic patch 7, stator magnetic block 8, fixed cover 9, radially adjust bolt 10, radially locking nut 11, stator 12, rotor 13, magnetic conduction iron 14.
Wherein, two bearing supports 3 are corresponding fixing, and the circle center lines are coaxial in two bearing supports 3, axial adjustment bolt 1 and axial locking nut 2 have been installed on the left end shaft bearing 3, have radially been adjusted bolt 10 and locking nut 11 radially; Fixed cover 9 is put in the bearing support 3, is Spielpassung between fixed cover 9 and bearing support 3 endoporus, and fixed cover 9 is by axial adjustment bolt 1 and radially adjust bolt 10 supportings; Stator magnetic ring is fixed in the fixed cover 9, and stator magnetic ring can be the stator magnetic block 8 of an integral body, also can be combined into by the little stator magnetic block 8 of polylith, and stator magnetic block 8 inner faces are the conical surface, and stator magnetic block 8 is opposite with pole orientation between the rotor magnetic patch 7; Rotor magnetic patch 7 is individually fixed in the two ends of axle 6, and rotor magnetic patch 7 also is the conical surface with stator magnetic block 8 corresponding faces, every group of conical surface tapering unanimity, and conical surface center line is coaxial with the center line of axle 6; Be provided with stator 12, rotor 13 and magnet case 14 between rotor magnetic patch 7 and the stator magnetic block 8, wherein, adjacent two stators 12 are fixed on the same magnet case 14, and adjacent two blocks of rotors 13 also are fixed on the same magnet case 14; The magnetic pole of adjacent two stators 12 is opposite, and the magnetic pole of adjacent two blocks of rotors 13 is also opposite, and relative stator 12 is also opposite with the magnetic pole of rotor 13, and stator 12, rotor 13 and magnet case 14 have constituted closed magnetic path; Bearing protecting cover 5 is fixed on the bearing support 3 by clamping bolt 4, and bearing protecting cover 5 and the gap of axle between 6 are as much as possible little after with the rotation that does not influence axle 6, have constituted a magnetic shield room between bearing protecting cover 5 and the bearing support 3, and indoor magnetic field is isolated from the outside.
The taper magnetic bearing of the utility model band closed magnetic path is when being cone match between the permanent magnetism magnetic suspension bearing stator and rotor, can make size of gaps become adjustable, coaxality between two bearing support center lines that use is adjustable in pairs, avoid because the bearing support position degree error that processing and alignment error cause thereby reach, also can change the repulsion size between the stator and rotor simultaneously by the size of adjusting air gap area, make the rotor of magnetic suspension bearing be in a preferable state.And the arrangement magnetic patch of the closed magnetic path that is provided with in the utility model by science, the magnetic force between original stator and rotor is increased more than 0.5 times, effectively promote the magnetic suspension bearing bearing capacity, and then reached the effect of improving the bearing operation ability.Just can be closed fully in local space magnetic field, externally there is not electromagnetic pollution.The taper magnetic bearing of the utility model band closed magnetic path is simple and practical, is suitable for industrial production.
Description of drawings
Fig. 1: the taper magnetic bearing left view of the utility model band closed magnetic path.
Fig. 2: the taper magnetic bearing of the utility model band closed magnetic path is along the diameter transverse cross-sectional view.
Fig. 3: closed magnetic path schematic representation in the taper magnetic bearing of the utility model band closed magnetic path.
1, axially adjusts bolt, 2, the axial locking nut, 3, bearing support, 4, clamping bolt, 5, the bearing protecting cover, 6, axle, 7, the rotor magnetic patch, 8, stator magnetic block, 9, fixed cover, 10, radially adjust bolt, 11, locking nut radially, 12, stator, 13, rotor, 14, magnetic conduction iron.
Further specify below in conjunction with the taper magnetic bearing of drawings and Examples the utility model band closed magnetic path.
Embodiment
Shown in Fig. 1,2 and 3, the taper magnetic bearing of the utility model band closed magnetic path comprises: axially adjust bolt 1, axial locking nut 2, bearing support 3, clamping bolt 4, bearing protecting cover 5, axle 6, rotor magnetic patch 7, stator magnetic block 8, fixed cover 9, radially adjust bolt 10, radially locking nut 11, stator 12, rotor 13, magnetic conduction iron 14.
Wherein, two bearing supports 3 are corresponding fixing, and the circle center lines are coaxial in two bearing supports 3, axial adjustment bolt 1 and axial locking nut 2 have been installed on the left end shaft bearing 3, have radially been adjusted bolt 10 and locking nut 11 radially; Fixed cover 9 is put in the bearing support 3, is Spielpassung between fixed cover 9 and bearing support 3 endoporus, and fixed cover 9 is by axial adjustment bolt 1 and radially adjust bolt 10 supportings; Stator magnetic ring is fixed in the fixed cover 9, and stator magnetic ring can be the stator magnetic block 8 of an integral body, also can be combined into by the little stator magnetic block 8 of polylith, and stator magnetic block 8 inner faces are the conical surface, and stator magnetic block 8 is opposite with pole orientation between the rotor magnetic patch 7; Rotor magnetic patch 7 is individually fixed in the two ends of axle 6, and rotor magnetic patch 7 also is the conical surface with stator magnetic block 8 corresponding faces, every group of conical surface tapering unanimity, and conical surface center line is coaxial with the center line of axle 6; Be provided with stator 12, rotor 13 and magnet case 14 between rotor magnetic patch 7 and the stator magnetic block 8, wherein, as shown in Figure 3, adjacent two stators 12 are fixed on the same magnet case 14, and adjacent two blocks of rotors 13 also are fixed on the same magnet case 14; The magnetic pole of adjacent two stators 12 is opposite, and the magnetic pole of adjacent two blocks of rotors 13 is also opposite, and relative stator 12 is also opposite with the magnetic pole of rotor 13, and stator 12, rotor 13 and magnet case 14 have constituted closed magnetic path; Bearing protecting cover 5 is fixed on the bearing support 3 by clamping bolt 4, and bearing protecting cover 5 and the gap of axle between 6 are as much as possible little after with the rotation that does not influence axle 6, have constituted a magnetic shield room between bearing protecting cover 5 and the bearing support 3, and indoor magnetic field is isolated from the outside.
Claims (1)
1. taper magnetic bearing with closed magnetic path is characterized in that this bearing comprises: axially adjust bolt (1), axial locking nut (2), bearing support (3), clamping bolt (4), bearing protecting cover (5), axle (6), rotor magnetic patch (7), stator magnetic block (8), fixed cover (9), radially adjust bolt (10), radially locking nut (11), stator (12), rotor (13), magnetic conduction iron (14);
Wherein two bearing supports (3) are corresponding fixing, and the circle center line is coaxial in two bearing supports (3), axial adjustment bolt (1) and axial locking nut (2) have been installed on the left end shaft bearing (3), have radially been adjusted bolt (10) and locking nut (11) radially; Fixed cover (9) is put in the bearing support (3), is Spielpassung between fixed cover (9) and bearing support (3) endoporus, and fixed cover (9) is by axial adjustment bolt (1) and radially adjust bolt (10) supporting; Stator magnetic ring is fixed in the fixed cover (9), and stator magnetic ring is the stator magnetic block (8) of an integral body, or is combined into by the little stator magnetic block of polylith (8), and stator magnetic block (8) inner face is the conical surface, and stator magnetic block (8) is opposite with pole orientation between the rotor magnetic patch (7); Rotor magnetic patch (7) is individually fixed in the two ends of axle (6), rotor magnetic patch (7) also is the conical surface with the corresponding face of stator magnetic block (8), every group of conical surface tapering unanimity, be provided with stator (12), rotor (13) and magnet case (14) between the center line coaxial rotor magnetic patch (7) of conical surface center line and axle (6) and the stator magnetic block (8), wherein, adjacent two stators (12) are fixed on the same magnet case (14), and adjacent two blocks of rotors (13) also are fixed on the same magnet case (14); The magnetic pole of adjacent two stators (12) is opposite, and the magnetic pole of adjacent two blocks of rotors (13) is also opposite, and the magnetic pole of relative stator (12) and rotor (13) is also opposite, and stator (12), rotor (13) and magnet case (14) have constituted closed magnetic path; Bearing protecting cover (5) is fixed on the bearing support (3) by clamping bolt (4), bearing protecting cover (5) and the gap of axle between (6) are as much as possible little after with the rotation that does not influence axle (6), constituted a magnetic shield room between bearing protecting cover (5) and the bearing support (3), indoor magnetic field has been isolated from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200298703U CN202048102U (en) | 2011-01-28 | 2011-01-28 | Conical magnetic suspension bearing with closed magnetic circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200298703U CN202048102U (en) | 2011-01-28 | 2011-01-28 | Conical magnetic suspension bearing with closed magnetic circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202048102U true CN202048102U (en) | 2011-11-23 |
Family
ID=44988412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200298703U Expired - Fee Related CN202048102U (en) | 2011-01-28 | 2011-01-28 | Conical magnetic suspension bearing with closed magnetic circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202048102U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969034A (en) * | 2017-05-27 | 2017-07-21 | 深圳智慧能源技术有限公司 | Permanent magnetism type magnetic suspension bearing |
| CN107327488A (en) * | 2017-08-29 | 2017-11-07 | 南京磁谷科技有限公司 | A kind of mounting seat for being used to tilt magnetic pole in magnetic bearing |
| CN108775334A (en) * | 2018-07-17 | 2018-11-09 | 温岭市百氏精益机械有限公司 | High-accuracy magnetic-suspension main-shaft |
| CN109340257A (en) * | 2018-10-19 | 2019-02-15 | 珠海格力电器股份有限公司 | Magnetic suspension bearing suspension air gap self-repair method |
-
2011
- 2011-01-28 CN CN2011200298703U patent/CN202048102U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969034A (en) * | 2017-05-27 | 2017-07-21 | 深圳智慧能源技术有限公司 | Permanent magnetism type magnetic suspension bearing |
| CN107327488A (en) * | 2017-08-29 | 2017-11-07 | 南京磁谷科技有限公司 | A kind of mounting seat for being used to tilt magnetic pole in magnetic bearing |
| CN108775334A (en) * | 2018-07-17 | 2018-11-09 | 温岭市百氏精益机械有限公司 | High-accuracy magnetic-suspension main-shaft |
| CN109340257A (en) * | 2018-10-19 | 2019-02-15 | 珠海格力电器股份有限公司 | Magnetic suspension bearing suspension air gap self-repair method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20140128 |