CN205592285U - Magnetic suspension bearing - Google Patents
Magnetic suspension bearing Download PDFInfo
- Publication number
- CN205592285U CN205592285U CN201620095127.0U CN201620095127U CN205592285U CN 205592285 U CN205592285 U CN 205592285U CN 201620095127 U CN201620095127 U CN 201620095127U CN 205592285 U CN205592285 U CN 205592285U
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- magnetic suspension
- suspension bearing
- trim ring
- magnetic
- stator
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Abstract
The utility model discloses a magnetic suspension bearing, include and can dismantle the magnetic suspension bearing stator of connection and the rotor of mutually supporting with the magnetic suspension bearing stator with the base body, still include: be located the first end of magnetic suspension bearing stator for compress tightly the clamping ring of magnetic suspension bearing stator, the connection can be dismantled to clamping ring and magnetic suspension bearing stator, can dismantle the pickup assembly of connection with the clamping ring, be located the magnetic suspension bearing stator the second end separate the magnetic ring. When installation magnetic suspension bearing, can connect the clamping ring on the magnetic suspension bearing stator earlier, then install pickup assembly on the clamping ring, it installs on the second end of magnetic suspension bearing stator through little interference fit to separate the magnetic ring, this moment the magnetic suspension bearing stator, pickup assembly, it constitutes an overall structure to separate magnetic ring and clamping ring, thereby make magnetic suspension bearing compact structure, it has the magnetic suspension bearing stator with the equipment to be convenient for, pickup assembly and clamping ring and the overall structure who separates the magnetic ring install on the base body.
Description
Technical field
This utility model relates to technical field of bearings, more particularly, it relates to a kind of magnetic suspension shaft
Hold.
Background technology
Magnetic suspension bearing is to utilize magneticaction by rotor suspension in the air, make rotor and stator it
Between there is no Mechanical Contact, compared with traditional sliding bearing or rolling bearing, have high rotating speed,
In high precision, low in energy consumption, mechanical contacts, without advantages such as lubrications.Along with magnetic suspension bearing
Update so that it is be widely used in a lot of fields, such as high speed centrifugation compressor,
Steam turbine engine, High Speed machining machine tool chief axis etc..
The rotor of magnetic suspension bearing is if it occur that offset, it is common that examined by magnetic suspension bearing sensor
Measure side-play amount, then side-play amount is sent to controller, through the process of controller, finally
Controlling electric current makes Magnet produce magnetic force, thus drives rotor to return to original position, but, mesh
Front magnetic suspension bearing sensor is usually mounted on pedestal or holds for positioning magnetic suspension floating axle determine
On the positioner of son, it is additionally useful for being usually mounted to the magnetism-isolating loop in pedestal every the magnetism-isolating loop of magnetic
In mounting groove.Therefore, when being installed on pedestal by magnetic suspension bearing, need to constitute magnetic suspension
The parts such as magnetic suspension bearing stator, sensor cluster and the magnetism-isolating loop of bearing are one by one
Install, be also required to dismantle one by one when dismounting, tearing open to magnetic suspension bearing
Dress brings very big inconvenience.
In sum, how to make magnetic bearing structure compact and easy accessibility, be current ability
Field technique personnel are badly in need of solving the technical problem that.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of magnetic suspension bearing, not only makes
Obtain magnetic bearing structure compact, and easy accessibility.
In order to achieve the above object, the following technical scheme of this utility model offer:
A kind of magnetic suspension bearing, including the magnetic suspension bearing stator removably connected with base body
And and the rotor that cooperates of magnetic suspension bearing, also include:
It is positioned at the first end of magnetic suspension bearing stator, for compressing the pressure of magnetic suspension bearing stator
Circle, described trim ring and described magnetic suspension bearing stator removably connect；
The sensor cluster removably connected with trim ring；
It is positioned at the magnetism-isolating loop of the second end of magnetic suspension bearing stator.
Preferably, magnetic suspension bearing stator includes: magnetic stator core and sleeve, sleeve and trim ring
Connecting, it is coaxial that one end relative with trim ring on sleeve is provided with mating holes, mating holes and sleeve, magnetic
It is bonded to each other that stator core is positioned at mating holes, the outer wall of magnetic stator core and the inwall of mating holes.
Preferably, also including alignment pin, being radially provided with of sleeve positions hole, base body
Axially being provided with locating slot, one end of alignment pin is positioned at hole, location, the other end position of alignment pin
In locating slot.
Preferably, sleeve is provided with one end of mating holes and trim ring is bolted.
Preferably, sleeve is provided with the magnetism-isolating loop interface accommodating described magnetism-isolating loop.
Preferably, it is coaxial that trim ring is not provided with counterbore, counterbore and trim ring, at the bottom preset of counterbore
Having sensor cluster mounting interface, sensor cluster is bolted to sensor cluster and installs
Interface.
Preferably, the external diameter of trim ring is less than or equal to the external diameter of sleeve.
Preferably, trim ring is provided with for taking out magnetcisuspension away from the one end fixing connection with sleeve
The fabrication hole of floating bearing stator.
Compared with prior art, technique scheme has the advantage that
A kind of magnetic suspension bearing that this utility model provides, removably connects including with base body
Magnetic suspension bearing stator and and the rotor that cooperates of magnetic suspension bearing stator, also include:
It is positioned at the first end of magnetic suspension bearing stator, and for compressing the trim ring of magnetic suspension bearing stator,
Trim ring and magnetic suspension bearing stator removably connect；The sensor cluster removably connected with trim ring；
It is positioned at the magnetism-isolating loop of the second end of magnetic suspension bearing stator.When installing magnetic suspension bearing, can
To be first connected to by trim ring on magnetic suspension bearing stator, then sensor cluster is arranged on trim ring
On, magnetism-isolating loop is installed on the second end of magnetic suspension bearing stator by interference fit, now
Magnetic suspension bearing stator, sensor cluster and trim ring and magnetism-isolating loop constitute an overall structure,
When overall structure being installed on base body, magnetism-isolating loop contacts with base body, to entirety
Structure serves axial retention effect so that magnetic bearing structure is compact, easy for installation,
During dismounting, only need to take out magnetic suspension bearing stator, can will be installed on magnetic suspension bearing stator
Sensor cluster, trim ring and magnetism-isolating loop pull down in the lump, hence in so that the dismounting of magnetic suspension bearing
Convenient.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art,
The accompanying drawing used required in embodiment or description of the prior art will be briefly described below,
It should be evident that the accompanying drawing in describing below is embodiments more of the present utility model, for this
From the point of view of the those of ordinary skill of field, on the premise of not paying creative work, it is also possible to according to
These accompanying drawings obtain other accompanying drawing.
Fig. 1 shows by the sectional structure of a kind of magnetic suspension bearing that this utility model embodiment is provided
It is intended to.
Detailed description of the invention
The purpose of this utility model is to provide a kind of magnetic suspension bearing, not only makes magnetic suspension shaft
Bearing structure is compact, and easy accessibility.
Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment
Technical scheme be clearly and completely described, it is clear that described embodiment be only this
The a part of embodiment of utility model rather than whole embodiments.Based in this utility model
Embodiment, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of this utility model protection.
Refer to a kind of magnetic suspension bearing that Fig. 1, Fig. 1 provided by this utility model embodiment
Sectional structure schematic diagram.
A kind of magnetic suspension bearing that this utility model embodiment is provided, including with base body 1
The magnetic suspension bearing stator 2 that removably connects and and magnetic suspension bearing stator 2 cooperate
Rotor, also includes: be positioned at the first end of magnetic suspension bearing stator 2, is used for compressing magnetic suspension
The trim ring 4 of bearing stator 2, trim ring 4 and magnetic suspension bearing stator 2 removably connect；And pressure
The sensor cluster 5 that circle 4 removably connects；It is positioned at the second end of magnetic suspension bearing stator 2
Magnetism-isolating loop 6.
In the present embodiment, when installing magnetic suspension bearing, first trim ring 4 can be connected to magnetic
On suspension bearing stator 2, then sensor cluster 5 is arranged on trim ring 4, magnetism-isolating loop 6
It is installed on the second end of magnetic suspension bearing stator 2 by interference fit, now magnetic suspension shaft
Hold stator 2, sensor cluster 5 and trim ring 4 and magnetism-isolating loop 6 constitute an overall structure,
When overall structure being installed on base body, magnetism-isolating loop 6 contacts with base body, to whole
Body structure serves axial retention effect so that magnetic bearing structure is compact, easy for installation,
When dismounting, only magnetic suspension bearing stator 2 need to be taken out, can be fixed by being installed on magnetic suspension bearing
Sensor cluster 5, trim ring 4 and magnetism-isolating loop 6 on son 2 are pulled down in the lump, hence in so that magnetcisuspension
The dismounting that floating axle holds is convenient.
A kind of magnetic suspension bearing that this utility model embodiment is provided, magnetic suspension bearing stator 2
Including: magnetic stator core 21 and sleeve 22, sleeve 22 and trim ring 4 connect, on sleeve 22
It is coaxial that one end relative with trim ring 4 is provided with mating holes, mating holes and sleeve 22, magnetic stator core
21 to be positioned at mating holes, the outer wall of magnetic stator core 21 and the inwall of mating holes bonded to each other.
In the present embodiment, magnetic suspension bearing stator 2 includes magnetic stator core 21 and sleeve 22,
Magnetic stator core 21 can be stacked to constitute by multi-disc magnetic stator punching, and sleeve 22 and trim ring 4 are even
Connecing, one end corresponding with trim ring 4 on its middle sleeve 22 is provided with mating holes, magnetic stator core
The lateral wall of 21 and the sidewall of mating holes are bonded to each other, the bottom of magnetic stator core 21 and cooperation
The bottom in hole is bonded to each other, is produced magnetic stator core 21 by the bottom of trim ring 4 and mating holes
Extruding force, compresses magnetic stator core 21, it is to avoid traditional mode is by gluing by magnetic stator
Punching is fixed, and reduces the complexity of packaging technology so that assemble simpler.
In order to optimize a kind of magnetic suspension bearing that above-described embodiment is provided, this utility model is implemented
A kind of magnetic suspension bearing that example is provided, also includes alignment pin 7, being radially provided with of sleeve 22
Hole, location, the axial direction of base body 1 is provided with locating slot, and one end of alignment pin 7 is positioned at location
In hole, the other end of alignment pin 7 is positioned at locating slot.
In the present embodiment, by positioning hole, base body 1 radially arranging of sleeve 22
Axle set up locating slot, one end of alignment pin 7 is inserted in hole, location, alignment pin 7
The other end is placed in locating slot, is possible to prevent rotating in a circumferential direction of magnetic suspension bearing stator 2, it is to avoid
The circumferential misalignment that subsequent parts is installed, improves the assembly precision of magnetic suspension bearing.
A kind of magnetic suspension bearing that this utility model embodiment is provided, sleeve 22 is provided with joins
The one end and the trim ring 4 that close hole are bolted.
In the present embodiment, by bolt, sleeve 22 and trim ring 4 are attached, Qi Zhongke
It is provided with multiple screwed hole being evenly distributed, simultaneously being provided with one end of mating holes on sleeve 22
Trim ring 4 arranges screwed hole corresponding thereto, then screws in sleeve 22 and pressure by bolt
In screwed hole corresponding on circle 4, sleeve 22 and trim ring 4 can be linked together.Pass through
Sleeve 22 and trim ring 4 are attached by bolt, on the one hand easy disassembly sleeve 22 and trim ring 4；
On the other hand relative to traditional by the way of sleeve 22 and trim ring 4 are connected by welding, sleeve
22 and trim ring 4 almost without deformation, improve installation accuracy.
A kind of magnetic suspension bearing that this utility model embodiment is provided, sleeve 22 is provided with appearance
Receive the magnetism-isolating loop interface of magnetism-isolating loop 6.
In the present embodiment, by arranging magnetism-isolating loop interface on sleeve 22, can be at magnetcisuspension
Before floating bearing stator 2 is installed, magnetism-isolating loop 6 is directly installed on base body 1, now
Magnetism-isolating loop 6 plays positioning action to installing magnetic suspension bearing stator 2, is therefore installing magnetic suspension
During bearing stator 2, carry out the magnetism-isolating loop interface on sleeve 22 and magnetism-isolating loop 6 coordinating and install i.e.
Can, so that the installation of magnetic suspension bearing stator 2 is more accurate.
A kind of magnetic suspension bearing that this utility model embodiment is provided, trim ring 4 is provided with counterbore,
Counterbore and trim ring 4 are coaxial, and the bottom preset at counterbore has sensor cluster mounting interface, sensing
Device assembly 5 is bolted to sensor cluster mounting interface.
In the present embodiment, being provided with counterbore on trim ring 4, the bottom of counterbore is provided with sensor group
Part mounting interface, is connected to sensor cluster mounting interface by bolt by sensor cluster 5,
On the one hand the dismounting of sensor mount assemblies can be facilitated；On the other hand sensor cluster 5 is made
Compacter with magnetic suspension bearing stator 2 structure.
A kind of magnetic suspension bearing that this utility model embodiment is provided, the external diameter of trim ring 4 is less than
Or the external diameter equal to sleeve 22.
In the present embodiment, the external diameter of trim ring 4 is less than or equal to the external diameter of sleeve 22, due to
The wall thickness of sleeve 22 is smaller, when the external diameter of trim ring 4 is equal to the internal diameter of sleeve 22,
When trim ring 4 and sleeve 22 being bolted, the wall thickness of sleeve 22 can be made full use of；
When the external diameter of trim ring 4 is less than the external diameter of sleeve 22, the most only sleeve 22 outer wall and pedestal
Body 1 contact coordinates, and leaves gap, therefore reduce between trim ring 4 outer wall and base body 1
Cooperation area, it is simple to magnetic suspension bearing is dismounted, therefore, it can outside trim ring 4
Footpath is preferably slightly smaller than the external diameter of sleeve 22.
In order to optimize a kind of magnetic suspension bearing that above-described embodiment is provided so that magnetic suspension bearing
When dismounting more convenient, a kind of magnetic suspension bearing that this utility model embodiment is provided,
Trim ring 4 is provided with for taking out magnetic suspension bearing stator 2 away from the one end connected with sleeve 22
Fabrication hole.
In the present embodiment, trim ring 4 deviates from sleeve 22 one end and is provided with fabrication hole, needs by
When magnetic suspension bearing stator 2 takes out from base body 1, it is connected to technique by demounting bolt
Hole, then pulls demounting bolt to be taken out from base body 1 by magnetic suspension bearing stator 2,
Wherein can be evenly distributed in the end of trim ring 4 and multiple fabrication hole is set, when dismounting, can
So that multiple demounting bolts and corresponding fabrication hole are attached, pull all of the most simultaneously
Demounting bolt, can take out magnetic suspension bearing stator 2 from base body 1, but pull
During single demounting bolt, easily make magnetic suspension bearing stator 2 run-off the straight, thus be difficult to take out
Magnetic suspension bearing stator 2, by pulling all demounting bolts being connected to corresponding fabrication hole,
Magnetic suspension bearing stator 2 is made to be more uniformly stressed when dismounting, the most convenient by magnetic suspension
Bearing stator 2 takes out from base body 1.
In sum, a kind of magnetic suspension bearing provided by the utility model, magnetic suspension is being installed
During bearing, can first trim ring be connected on magnetic suspension bearing stator, then by sensor cluster
Being arranged on trim ring, magnetism-isolating loop is installed on the second end of magnetic suspension bearing stator by interference fit
In portion, now magnetic suspension bearing stator, sensor cluster and trim ring and magnetism-isolating loop constitute one
Overall structure, when overall structure being installed on base body, magnetism-isolating loop connects with base body
Touch, overall structure is served axial retention effect so that magnetic bearing structure is compact, peace
Dress is convenient, when dismounting, only need to take out magnetic suspension bearing stator, can will be installed on magnetic suspension
Sensor cluster, trim ring and magnetism-isolating loop on bearing stator are pulled down in the lump.Hence in so that magnetic suspension
The dismounting of bearing is convenient.Further, the hole, location on sleeve is relative with on base body
The locating slot answered passes through detent fit, limits magnetic suspension bearing stator in base body
Rotate, it is to avoid the circumferential misalignment that subsequent parts is installed, improve the installation essence of magnetic suspension bearing
Degree.
It should be noted that in this article, the relational terms of such as first and second or the like is only
Only it is used for making a distinction an entity with another entity, and not necessarily requires or imply this
Relation or the order of any this reality is there is between a little entities.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment emphasis is said
Bright is all the difference with other embodiments, and between each embodiment, identical similar portion is mutual
See mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of
Or use this utility model.To the multiple amendment of these embodiments professional technique people to this area
Will be apparent from for Yuan, generic principles defined herein can be without departing from this reality
In the case of novel spirit or scope, realize in other embodiments.Therefore, this practicality
The novel the embodiments shown herein that is not intended to be limited to, and it is to fit to public with institute herein
The principle opened and the consistent the widest scope of features of novelty.
Claims (8)
1. a magnetic suspension bearing, including the magnetic suspension bearing stator removably connected with base body and the rotor cooperated with described magnetic suspension bearing stator, it is characterised in that also include:
Being positioned at the first end of described magnetic suspension bearing stator, for compressing the trim ring of described magnetic suspension bearing stator, described trim ring and described magnetic suspension bearing stator removably connect；
The sensor cluster removably connected with described trim ring；
It is positioned at the magnetism-isolating loop of the second end of described magnetic suspension bearing stator.
Magnetic suspension bearing the most according to claim 1, it is characterized in that, described magnetic suspension bearing stator includes: magnetic stator core and sleeve, described sleeve and described trim ring connect, one end relative with described trim ring on described sleeve is provided with mating holes, described mating holes and described sleeve are coaxial, and it is bonded to each other that described magnetic stator core is positioned at described mating holes, the outer wall of described magnetic stator core and the inwall of described mating holes.
Magnetic suspension bearing the most according to claim 2, it is characterized in that, also include alignment pin, radially being provided with of described sleeve positions hole, the axial direction of described base body is provided with locating slot, one end of described alignment pin is positioned at hole, described location, and the other end of described alignment pin is positioned at described locating slot.
Magnetic suspension bearing the most according to claim 3, it is characterised in that described sleeve is provided with one end of described mating holes and described trim ring is bolted.
Magnetic suspension bearing the most according to claim 4, it is characterised in that described sleeve is provided with the magnetism-isolating loop interface accommodating described magnetism-isolating loop.
Magnetic suspension bearing the most according to claim 5, it is characterized in that, it is coaxial that described trim ring is provided with counterbore, described counterbore and described trim ring, bottom preset at described counterbore has sensor cluster mounting interface, described sensor cluster to be bolted to described sensor cluster mounting interface.
Magnetic suspension bearing the most according to claim 6, it is characterised in that the external diameter of described trim ring is less than or equal to the external diameter of described sleeve.
8. according to the magnetic suspension bearing described in any one of claim 2 to 7, it is characterised in that described trim ring deviates from one end of described sleeve and is provided with the fabrication hole for taking out described magnetic suspension bearing stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095127.0U CN205592285U (en) | 2016-01-29 | 2016-01-29 | Magnetic suspension bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620095127.0U CN205592285U (en) | 2016-01-29 | 2016-01-29 | Magnetic suspension bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592285U true CN205592285U (en) | 2016-09-21 |
Family
ID=56927752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620095127.0U Active CN205592285U (en) | 2016-01-29 | 2016-01-29 | Magnetic suspension bearing |
Country Status (1)
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| CN (1) | CN205592285U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321496A (en) * | 2016-11-04 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | High-speed magnetic suspension rotor type axial detection device and centrifugal compressor |
| 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 |
| CN106402158A (en) * | 2016-11-21 | 2017-02-15 | 南京磁谷科技有限公司 | Radial magnetic bearing and sensor bracket split structure |
| CN107255118A (en) * | 2017-07-26 | 2017-10-17 | 珠海格力节能环保制冷技术研究中心有限公司 | The rotor of magnetic suspension bearing and its assembly tooling and assembly method |
| CN107327486A (en) * | 2017-08-29 | 2017-11-07 | 南京磁谷科技有限公司 | A kind of magnetic bearing box-like skeleton |
| CN109058295A (en) * | 2018-09-25 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of locking protection structure of magnetic suspension bearing and the magnetic suspension bearing with it |
-
2016
- 2016-01-29 CN CN201620095127.0U patent/CN205592285U/en active Active
Cited By (7)
| 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 |
| CN106321496A (en) * | 2016-11-04 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | High-speed magnetic suspension rotor type axial detection device and centrifugal compressor |
| CN106402158A (en) * | 2016-11-21 | 2017-02-15 | 南京磁谷科技有限公司 | Radial magnetic bearing and sensor bracket split structure |
| CN107255118A (en) * | 2017-07-26 | 2017-10-17 | 珠海格力节能环保制冷技术研究中心有限公司 | The rotor of magnetic suspension bearing and its assembly tooling and assembly method |
| CN107327486A (en) * | 2017-08-29 | 2017-11-07 | 南京磁谷科技有限公司 | A kind of magnetic bearing box-like skeleton |
| CN109058295A (en) * | 2018-09-25 | 2018-12-21 | 珠海格力电器股份有限公司 | A kind of locking protection structure of magnetic suspension bearing and the magnetic suspension bearing with it |
| CN109058295B (en) * | 2018-09-25 | 2024-05-03 | 珠海格力电器股份有限公司 | Anti-loosening protection structure of magnetic suspension bearing and magnetic suspension bearing with anti-loosening protection structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |