CN206221507U - Magnetic suspension bearing - Google Patents
Magnetic suspension bearing Download PDFInfo
- Publication number
- CN206221507U CN206221507U CN201621157689.XU CN201621157689U CN206221507U CN 206221507 U CN206221507 U CN 206221507U CN 201621157689 U CN201621157689 U CN 201621157689U CN 206221507 U CN206221507 U CN 206221507U
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- Prior art keywords
- locating slot
- suspension bearing
- conductive board
- locating
- magnetic
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Abstract
The utility model discloses a kind of magnetic suspension bearing.The magnetic suspension bearing includes iron core (1), locating ring (2), magnetic conductive board (3) and magnet steel (4), the iron core (1) is set in the locating ring (2), the magnet steel (4) is fixedly installed on the magnetic conductive board (3), the locating ring (2) and the magnetic conductive board (3) circumferentially positioned cooperation.According to magnetic suspension bearing of the present utility model, the relative position of magnetic suspension bearing iron core and magnet steel is ensure that, improve the installation accuracy of magnetic suspension bearing.
Description
Technical field
The utility model is related to magnetic levitation technology field, in particular to a kind of magnetic suspension bearing.
Background technology
Magnetic suspension bearing is rotor mechanical the is rubbed a kind of novel high-performance bearing for being suspended in space using magnetic force.
Due to magnetic suspension bearing have the advantages that it is contactless, without rub, vibrate it is small, need not lubricate, long working life, can significantly change
The vibration characteristics of kind rotating machinery, therefore can be used to replace traditional high speed roller bearing and sliding bearing.Magnetic suspension bearing master
If the magnetic field produced by the magnetic field substitution electromagnet electric current that permanent magnet is produced, to mitigate magnetic suspension bearing stator and power amplification
The volume and weight of device, it is often more important that the power attenuation of whole magnetic levitation bearing system can be substantially reduced, magnetic suspension is realized
The miniaturization of system, lightness.
And the assembly problem of hybrid magnetic suspension bearing annoyings designer always, due to magnetic suspension bearing iron core and magnetic
There must be fixed position between steel, once dislocation will influence air gap, finally have a strong impact on the magnetic flux of hybrid magnetic suspension bearing
Density, reduces the suspension effect of hybrid magnetic suspension bearing.Current magnetic suspension bearing iron core positioning, it is mixed that magnet steel positioning turns into restriction
The problem of box-like magnetic suspension bearing.
Utility model content
A kind of magnetic suspension bearing is provided in the utility model embodiment, the phase of magnetic suspension bearing iron core and magnet steel is ensure that
To position, the installation accuracy of magnetic suspension bearing is improved.
To achieve the above object, the utility model embodiment provides a kind of magnetic suspension bearing, including iron core, locating ring, leads
Magnetic sheet and magnet steel, iron core are set in locating ring, and magnet steel is fixedly installed on magnetic conductive board, and locating ring is circumferentially positioned with magnetic conductive board to match somebody with somebody
Close.
Preferably, the periphery of locating ring is provided with the first locating slot, the periphery of magnetic conductive board forms the second locating slot, first
Locating slot and the circumferentially positioned fit structure of the second locating slot.
Preferably, the first locating slot extends to locating ring from the middle part of locating ring near the edge of magnetic conductive board, second determines
Position groove is axially through the lateral wall of magnetic conductive board, and the notch of the first locating slot is relative with the notch of the second locating slot.
Preferably, being provided with the location hole for radially extending on locating ring, the periphery of iron core is provided with and extends to iron core
Outer peripheral 3rd locating slot, the 3rd locating slot is correspondingly arranged with location hole.
Preferably, location hole is arranged on the first locating slot, and width and the location hole of the first locating slot diameter phase
Deng.
Preferably, the first locating slot extends from location hole to the edge of the close magnetic conductive board of locating ring.
Preferably, being provided with alignment pin in location hole, alignment pin is snapped in the 3rd locating slot.
Preferably, the inner circumferential of locating ring is provided with the 4th locating slot in the outside for extending to locating ring, the periphery of iron core
Outer peripheral 3rd locating slot for extending to iron core is provided with, the 3rd locating slot is correspondingly arranged with the 4th locating slot.
Preferably, locating ring and the opposite end end male-female engagement of magnetic conductive board, form circumferentially positioned cooperation.
Preferably, being provided with mounting groove on locating ring, the installation tooth stretched out towards mounting groove is provided with magnetic conductive board, installed
Odontoid matches with groove shape is installed.
Using the technical solution of the utility model, magnetic suspension bearing includes iron core, locating ring, magnetic conductive board and magnet steel, iron core
It is set in locating ring, magnet steel is fixedly installed on magnetic conductive board, locating ring and the circumferentially positioned cooperation of magnetic conductive board.Because iron core can be with
It is fixedly installed by locating ring, magnet steel can be fixedly installed by magnetic conductive board, therefore can be entered with magnetic conductive board by locating ring
The circumferentially positioned rigging position accuracy to ensure iron core and magnet steel of row, improves the installation accuracy of magnetic suspension bearing, it is ensured that magnetic flux
Density and magnetic gap so that the assembling structure of iron core and magnet steel is simpler, assembly precision are more prone to ensure.
Brief description of the drawings
Accompanying drawing described herein is used for providing being further understood to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the first axle geodesic structure schematic diagram of the magnetic suspension bearing of the utility model embodiment;
Fig. 2 is the second axle geodesic structure schematic diagram of the magnetic suspension bearing of the utility model embodiment.
Description of reference numerals:1st, iron core;2nd, locating ring;3rd, magnetic conductive board;4th, magnet steel;5th, the first locating slot;6th, the second positioning
Groove;7th, location hole;8th, the 3rd locating slot.
Specific embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as to this practicality
New restriction.
Referring to shown in Fig. 1 and Fig. 2, according to embodiment of the present utility model, magnetic suspension bearing include iron core 1, locating ring 2,
Magnetic conductive board 3 and magnet steel 4, iron core 1 are set in locating ring 2, and magnet steel 4 is fixedly installed on magnetic conductive board 3, locating ring 2 and magnetic conductive board 3
Circumferentially positioned cooperation.
Because iron core 1 can be fixedly installed by locating ring 2, magnet steel 4 can be fixedly installed by magnetic conductive board 3, therefore can
The circumferentially positioned rigging position accuracy to ensure iron core 1 and magnet steel 4 is carried out with by locating ring 2 and magnetic conductive board 3, magnetic is improved
The installation accuracy of suspension bearing, it is ensured that magnetic flux density and magnetic gap so that the assembling structure of iron core 1 and magnet steel 4 is simpler, assembling
Precision is more prone to ensure.
The magnetic force of magnet steel 4 is larger, and it is big that magnet steel 4 directly is assembled into the assembly difficulty on the iron core 1 of magnetic suspension bearing, it is also difficult to
Ensure the position of magnet steel 4.The skew of the position of magnet steel 4 can have a strong impact on the magnetic flux density of hybrid magnetic suspension bearing, cause hybrid
The suspension effect of magnetic suspension bearing.Therefore special design magnetic conductive board 3, magnet steel 4 is fixed on magnetic conductive board 3, and fixing means can be with
Using the magnetic-adsorption of magnet steel 4 on magnetic conductive board 3, it is also possible to the appropriate gluing between magnetic conductive board 3 and magnet steel 4, magnetic conductive board 3 is improved
With the bonding strength of magnet steel 4, then magnetic conductive board 3 is fixed together with locating ring 2.
In the present embodiment, the periphery of locating ring 2 is provided with the first locating slot 5, and the periphery of magnetic conductive board 3 forms second and positions
Groove 6, the first locating slot 5 and the circumferentially positioned fit structure of the second locating slot 6.The width phase of the first locating slot 5 and the second locating slot 6
Together, the circumferential relative position between locating ring 2 and magnetic conductive board 3 can be carried out more accurately positioning so that ensure iron core 1 with
It is circumferentially positioned between magnet steel 4.Certainly, the first locating slot 5 can also be different from the width of the second locating slot 6, or with calmly
Position hole replaces locating slot, as long as can be positioned to the circumferential relative position between locating ring 2 and magnetic conductive board 3.
Be aligned for two grooves during assembling by Design Orientation groove on magnetic conductive board 3, the Design Orientation groove equally on locating ring 2, both may be used
It is circumferentially positioned to ensure, corresponding guide plate frock can be also designed, it is play the guiding role in assembling process, reduce assembly difficulty.
This design, as long as ensureing the circumferential position of locating ring 2 and magnetic conductive board 3 from appearance, you can ensure the position of magnet steel 4 and iron core 1,
It is also ensured that magnetic flux density, and magnet steel 4 and iron core 1 air gap.
First locating slot 5 extends to locating ring 2 near the edge of magnetic conductive board 3, the second locating slot 6 from the middle part of locating ring 2
Axially through the lateral wall of magnetic conductive board 3, the notch of the first locating slot 5 is relative with the notch of the second locating slot 6.First locating slot
5 and second locating slot 6 notch it is relative, can quick and precisely realize circumferentially positioned between locating ring 2 and magnetic conductive board 3, reduce
Assembly difficulty between the two, it is ensured that magnetic flux density and air gap.
The location hole 7 for radially extending is provided with locating ring 2, the periphery of iron core 1 is provided with the outward flange for extending to iron core 1
The 3rd locating slot 8, the 3rd locating slot 8 is correspondingly arranged with location hole 7.The utility model passes through the hot charging magnetic suspension shaft of locating ring 2
Hold iron core and carry out secured core 1, it is circumferentially positioned in order to control during hot charging, the 3rd locating slot 8 is designed on iron core 1, pass through
Location hole 7 is set to be correspondingly arranged with the 3rd locating slot 8, you can to ensure location and installation position of the iron core 1 on locating ring 2.
Location hole 7 is arranged on the first locating slot 5, and width and the location hole 7 of the first locating slot 5 equal diameters, energy
The processing of location hole 7 is enough convenient for, while ensureing the positioning precision between the locating slot 5 of location hole 7 and first.
Preferably, the first locating slot 5 extends to locating ring 2 from location hole 7 near the edge of magnetic conductive board 3, can utilize
Location hole 7 reduces the processing capacity of the first locating slot 5 as the initial Working position of the first locating slot 5, reduces the first locating slot 5
Difficulty of processing, while iron can be better achieved by the circumferentially positioned relation between the first locating slot 5 and the 3rd locating slot 8
Circumferential cooperation between core 1 and magnet steel 4.
Alignment pin is provided with location hole 7, alignment pin is snapped in the 3rd locating slot 8.First by the positioning of locating ring 2 during assembling
Alignment pin is filled on hole 7, then the 3rd locating slot 8 on the iron core 1 of magnetic suspension bearing is directed at alignment pin, you can in assembling process
It play the guiding role, it is ensured that the circumferential position of magnetic suspension bearing iron core, iron core 1 can be fastened by alignment pin after the completion of assembling again.
In one embodiment not shown in figure, the inner circumferential of locating ring 2 is provided with the of the outside for extending to locating ring 2
Four locating slots, the periphery of iron core 1 is provided with outer peripheral 3rd locating slot 8 for extending to iron core 1, the 3rd locating slot 8 and the 4th
Locating slot is correspondingly arranged.This kind of structure can shorten the orientation distance between locating ring 2 and iron core 1, easily facilitate both realizations
Between the circumferential positioning precision installed positioning, improve both.
In another embodiment not shown in figure, the opposite end end male-female engagement of locating ring 2 and magnetic conductive board 3, shape
Circumferentially location fit.
Specifically, mounting groove is provided with locating ring 2, the installation tooth stretched out towards mounting groove is provided with magnetic conductive board 3, pacified
Toothing shape matches with groove shape is installed.Engaged by making to carry out tooth between locating ring 2 and magnetic conductive board 3, can be easily real
Now circumferentially positioned cooperation between the two, it is ensured that circumferentially positioned.
Preferably, it can be trapezoidal to install tooth, or triangle, so as to ensure to carry out locating ring 2 and magnetic conductive board 3
Location and installation when, the guiding of locating ring 2 and magnetic conductive board 3 can be realized by installing the guiding between tooth and mounting groove, drop
Assembly difficulty between low locating ring 2 and magnetic conductive board 3, improves both assembly precisions.
Certainly, above is preferred embodiment of the present utility model.It should be pointed out that for the ordinary skill of the art
For personnel, on the premise of the utility model general principle is not departed from, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also considered as with retouching.
Claims (10)
1. a kind of magnetic suspension bearing, it is characterised in that described including iron core (1), locating ring (2), magnetic conductive board (3) and magnet steel (4)
Iron core (1) is set in the locating ring (2), and the magnet steel (4) is fixedly installed on the magnetic conductive board (3), the locating ring
(2) with the magnetic conductive board (3) circumferentially positioned cooperation.
2. magnetic suspension bearing according to claim 1, it is characterised in that the periphery of the locating ring (2) is provided with first
Locating slot (5), the periphery of the magnetic conductive board (3) forms the second locating slot (6), and first locating slot (5) and described second are determined
Position groove (6) circumferentially positioned fit structure.
3. magnetic suspension bearing according to claim 2, it is characterised in that first locating slot (5) is from the locating ring
(2) locating ring (2) is extended in the middle part of near the edge of the magnetic conductive board (3), second locating slot (6) is passed through vertically
The lateral wall of the magnetic conductive board (3) is worn, the notch of first locating slot (5) is relative with the notch of second locating slot (6).
4. magnetic suspension bearing according to claim 3, it is characterised in that be provided with the locating ring (2) and radially extended
Location hole (7), the periphery of the iron core (1) is provided with outer peripheral 3rd locating slot (8) for extending to the iron core (1),
3rd locating slot (8) is correspondingly arranged with the location hole (7).
5. magnetic suspension bearing according to claim 4, it is characterised in that the location hole (7) is arranged on described first and determines
On position groove (5), and width and the location hole (7) of first locating slot (5) equal diameters.
6. magnetic suspension bearing according to claim 5, it is characterised in that first locating slot (5) is from the location hole
(7) place extends to the locating ring (2) near the edge of the magnetic conductive board (3).
7. magnetic suspension bearing according to claim 4, it is characterised in that is provided with alignment pin in the location hole (7), institute
Alignment pin is stated to snap in the 3rd locating slot (8).
8. magnetic suspension bearing according to claim 1, it is characterised in that the inner circumferential of the locating ring (2) is provided with extension
To the 4th locating slot in the outside of the locating ring (2), the periphery of the iron core (1) is provided with and extends to the iron core (1)
Outer peripheral 3rd locating slot (8), the 3rd locating slot (8) is correspondingly arranged with the 4th locating slot.
9. magnetic suspension bearing according to claim 1, it is characterised in that the locating ring (2) and the magnetic conductive board (3)
Opposite end end male-female engagement, forms circumferentially positioned cooperation.
10. magnetic suspension bearing according to claim 9, it is characterised in that be provided with mounting groove on the locating ring (2),
The installation tooth stretched out towards the mounting groove, the installation odontoid and the installation groove shape are provided with the magnetic conductive board (3)
Match.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621157689.XU CN206221507U (en) | 2016-10-24 | 2016-10-24 | Magnetic suspension bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621157689.XU CN206221507U (en) | 2016-10-24 | 2016-10-24 | Magnetic suspension bearing |
Publications (1)
Publication Number | Publication Date |
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CN206221507U true CN206221507U (en) | 2017-06-06 |
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ID=58789183
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CN201621157689.XU Active CN206221507U (en) | 2016-10-24 | 2016-10-24 | Magnetic suspension bearing |
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CN (1) | CN206221507U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106369052A (en) * | 2016-10-24 | 2017-02-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic bearing |
-
2016
- 2016-10-24 CN CN201621157689.XU patent/CN206221507U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106369052A (en) * | 2016-10-24 | 2017-02-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Magnetic bearing |
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