CN208015526U - A kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors - Google Patents
A kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors Download PDFInfo
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- CN208015526U CN208015526U CN201820426640.2U CN201820426640U CN208015526U CN 208015526 U CN208015526 U CN 208015526U CN 201820426640 U CN201820426640 U CN 201820426640U CN 208015526 U CN208015526 U CN 208015526U
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Abstract
The utility model discloses a kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors；Magnetic bearing rotor is installed on third shaft part, installation sensor detects ring on the 5th shaft part, and magnetic bearing rotor and sensor detection ring rely on shaft shoulder positioning；The outer surface that sensor detects ring is installed by eddy current displacement sensor；The magnetic bearing stator of magnetic bearing rotor is fixed in bearing holder (housing, cover), axially and radially relies on the bearing holder (housing, cover) shaft shoulder and locating rod to be positioned respectively；Rolling bearing is installed on 6th shaft part, is coordinated with the outer end face clearance fit of sensor detection ring, inner face and the 6th shaft part surface gap on the inside of the rolling bearing.This magnetic suspension high speed motor, eddy current displacement sensor for detecting shaft radial displacement and the magnetic bearing for controlling shaft suspension are mounted in bearing holder (housing, cover), and the symmetrical located bar connection of bearing holder (housing, cover), so that being positioned to further ensure the stability of motorized spindle supported with AMB work to be unified in bearing holder (housing, cover).
Description
Technical field
The utility model is related to four-degree-of-freedom magnetic suspension high speed motor more particularly to a kind of four selfs based on conventional motors
By degree magnetic suspension high speed motor.
Background technology
Magnetic suspension high speed motor is by a novel technology of magnetic bearing Technology application to conventional motors, is collection machine
Tool, mechanics, control, electromagnetism and computer are in the representative electromechanical integrated product of one.Magnetic-suspension high-speed
Motor by controllable electric magnetic force by rotor suspension in magnetic pole of the stator, therefore compared to conventional motors with no Mechanical Contact,
Without friction, without lubricating the advantages that, in addition to this, the rotating speed of motorized spindle supported with AMB can break through institute's contact material structure and material
Limit speed, the operating status of system can monitor in real time, be conducive to reliability, the safety and stability of raising system.Mesh
Before, mainly have a magnetic suspension train and magnetic bearing about the product of magnetic levitation technology both at home and abroad, and magnetic bearing in the latest 20 years by
Gradually it is applied in the high-speed rotating machines and high precision instrument instrument such as lathe, centrifuge, compressor, has and potentially apply valence
Value and wide application prospect.
Invention content
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts and deficiency provide a kind of layout simple in structure
The reasonably four-degree-of-freedom magnetic suspension high speed motor based on conventional motors.
The utility model is achieved through the following technical solutions：
A kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors, including electro spindle 1, motor stator 15,
The middle part of electro spindle 1 is installed by motor rotor 16；With 16 position of motor rotor for the first shaft part, extend successively to both ends
For the second shaft part, third shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part；Motor rotor 16 is positioned at the right end shaft shoulder；
Magnetic bearing rotor 12 is installed, installation sensor detects ring 9, and magnetic bearing rotor 12 on the 5th shaft part on third shaft part
Shaft shoulder positioning is relied on sensor detection ring 9；The outer surface that sensor detects ring 9 is installed by eddy current displacement sensor 8；
The magnetic bearing stator 11 of magnetic bearing rotor 12 is fixed in bearing holder (housing, cover) 10, axially and radially relies on bearing respectively
It covers 10 shaft shoulders and locating rod 13 is positioned；
Rolling bearing 3 is installed, the outer end face gap which detects ring 9 with sensor is matched on the 6th shaft part
It closes, inner face and the cooperation of the 6th shaft part surface gap.
Motor stator 15 is fixed by motor bed-plate 14；Bearing holder (housing, cover) 10 of the motor bed-plate 14 respectively at its both ends passes through
Engine base nut 17 is connected with the bolt assembly that engine base threaded rod 18 is constituted.
Eddy current displacement sensor 8 and magnetic bearing stator 11 are respectively positioned in bearing holder (housing, cover) 10.
The outer end cap 2 of rolling bearing 3 is connect by bolt assembly with bearing holder (housing, cover) 10.
The operation method of four-degree-of-freedom magnetic suspension high speed motor of the utility model based on conventional motors, including walk as follows
Suddenly：
It connects and checks each section connection；It connects and checks motor driver 19 and motor stator 15, magnetic bearing
Whether the line interface between controller 20 and eddy current displacement sensor 8, magnetic bearing controller 20 and magnetic bearing stator 11 connects
Connect whether correct and connector has connected securely；
Magnetic bearing debugging prepares；First, magnetic bearing controller 20 is adjusted to be allowed to search out the relatively several of magnetic bearing rotor 12
Then what position adjusts the symmetrical magnetic bearing rotor in 20 state modulator both ends of magnetic bearing controller 12 and realizes that entire electro spindle 1 is complete
It is complete to suspend, finally, motor driver 19 receive magnetic bearing controller 20 complete control motor after the instruction of electro spindle 1 start plus
Speed is rotated to nominal operation rotating speed；
In the high-speed rotation of electro spindle 1, according to the electro spindle 1 from eddy current displacement sensor 8 received
Radial displacement defection signal, 11 coil current signal of magnetic bearing stator continue dynamic change；11 hot-wire coil of magnetic bearing stator produces
Raw a part of heat is transmitted to the external world, another part heat by bearing holder (housing, cover) 10 close to the throughhole portions of motor bed-plate 14
It is conducted to the external world by magnetic bearing stator 11 and bearing holder (housing, cover) 10；
Fall when four-degree-of-freedom magnetic suspension high speed motor orderly closedown or complete machine exceptional spindle and whirling motion irregular movement occurs
When, 3 inner side end of rolling bearing detects ring 9 by the sensor contacted and electro spindle 1 is interference fitted and limits entire electricity indirectly
The excessive offset of axial direction of main shaft 1；When four-degree-of-freedom magnetic suspension high speed motor does not work, entire electro spindle 1 rests in the axis of rolling
It holds on 3.
The utility model compared with the existing technology, has the following advantages and effect：
It is compared compared to existing magnetic suspension high speed motor, first, the utility model is reequiped by traditional electric motor structure
Design, part close weight parts and derive from conventional motors, largely reduce processing and assembly cost；Second,
Eddy current displacement sensor of the utility model for detecting shaft radial displacement and the magnetic bearing for controlling shaft suspension are equal
It is installed in bearing holder (housing, cover), and the located bar connection of symmetrical bearing holder (housing, cover) so that be positioned to be unified in bearing holder (housing, cover), further
It ensure that the stability of motorized spindle supported with AMB work.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：Electro spindle 1, outer end cap 2, rolling bearing 3, bolt of cover 4, end cover nut 5, end cap washer 6, sensor peace
Encapsulation 7, eddy current displacement sensor 8, sensor detection ring 9, bearing holder (housing, cover) 10, magnetic bearing stator 11, magnetic bearing rotor 12, positioning
Bar 13, motor bed-plate 14, motor stator 15, motor rotor 16, engine base nut 17, engine base threaded rod 18, motor driving
Device 19, magnetic bearing controller 20.
Specific implementation mode
The utility model is more specifically described in detail with reference to specific embodiment.
Embodiment
As shown in Figure 1.The utility model discloses a kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors,
Including electro spindle 1, motor stator 15, motor rotor 16 is installed at the middle part of electro spindle 1；With 16 position of motor rotor
For the first shaft part, extends to both ends and be followed successively by the second shaft part, third shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part；It is electronic
Machine rotor 16 is positioned at the right end shaft shoulder；
Magnetic bearing rotor 12 is installed, installation sensor detects ring 9, and magnetic bearing rotor 12 on the 5th shaft part on third shaft part
Shaft shoulder positioning is relied on sensor detection ring 9；The outer surface that sensor detects ring 9 is installed by eddy current displacement sensor 8；
The magnetic bearing stator 11 of magnetic bearing rotor 12 is fixed in bearing holder (housing, cover) 10, axially and radially relies on bearing respectively
It covers 10 shaft shoulders and locating rod 13 is positioned；
Rolling bearing 3 is installed, the outer end face gap which detects ring 9 with sensor is matched on the 6th shaft part
It closes, inner face and the cooperation of the 6th shaft part surface gap.
Motor stator 15 is fixed by motor bed-plate 14；Bearing holder (housing, cover) 10 of the motor bed-plate 14 respectively at its both ends passes through
Engine base nut 17 is connected with the bolt assembly that engine base threaded rod 18 is constituted.
Eddy current displacement sensor 8 and magnetic bearing stator 11 are respectively positioned in bearing holder (housing, cover) 10.
The outer end cap 2 of rolling bearing 3 is connect by bolt assembly with bearing holder (housing, cover) 10.
The operation method of four-degree-of-freedom magnetic suspension high speed motor of the utility model based on conventional motors, can be by as follows
Step：
It connects and checks each section connection；It connects and checks motor driver 19 and motor stator 15, magnetic bearing
Whether the line interface between controller 20 and eddy current displacement sensor 8, magnetic bearing controller 20 and magnetic bearing stator 11 connects
Connect whether correct and connector has connected securely；
Magnetic bearing debugging prepares；First, magnetic bearing controller 20 is adjusted to be allowed to search out the relatively several of magnetic bearing rotor 12
Then what position adjusts the symmetrical magnetic bearing rotor in 20 state modulator both ends of magnetic bearing controller 12 and realizes that entire electro spindle 1 is complete
It is complete to suspend, finally, motor driver 19 receive magnetic bearing controller 20 complete control motor after the instruction of electro spindle 1 start plus
Speed is rotated to nominal operation rotating speed；
In the high-speed rotation of electro spindle 1, according to the electro spindle 1 from eddy current displacement sensor 8 received
Radial displacement defection signal, 11 coil current signal of magnetic bearing stator continue dynamic change；11 hot-wire coil of magnetic bearing stator produces
Raw a part of heat is transmitted to the external world, another part heat by bearing holder (housing, cover) 10 close to the throughhole portions of motor bed-plate 14
It is conducted to the external world by magnetic bearing stator 11 and bearing holder (housing, cover) 10；
Fall when four-degree-of-freedom magnetic suspension high speed motor orderly closedown or complete machine exceptional spindle and whirling motion irregular movement occurs
When, 3 inner side end of rolling bearing detects ring 9 by the sensor contacted and electro spindle 1 is interference fitted and limits entire electricity indirectly
The excessive offset of axial direction of main shaft 1；When four-degree-of-freedom magnetic suspension high speed motor does not work, entire electro spindle 1 rests in the axis of rolling
It holds on 3.
As described above, the utility model can be realized preferably.
The embodiment of the utility model is simultaneously not restricted to the described embodiments, other are any without departing from the utility model
Changes, modifications, substitutions, combinations, simplifications made by under Spirit Essence and principle, should be equivalent substitute mode, are included in
Within the scope of protection of the utility model.
Claims (4)
1. a kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors, including electro spindle (1), motor stator
(15), the middle part installation motor rotor (16) of electro spindle (1)；With motor rotor (16) position for the first shaft part, to
Both ends, which extend, is followed successively by the second shaft part, third shaft part, the 4th shaft part, the 5th shaft part, the 6th shaft part；Motor rotor (16) positions
In the right end shaft shoulder；It is characterized in that：
Magnetic bearing rotor (12) is installed, installation sensor detects ring (9), and magnetic bearing rotor on the 5th shaft part on third shaft part
(12) and sensor detection ring (9) relies on shaft shoulder positioning；Sensor detects the outer surface installation current vortex displacement sensing of ring (9)
Device (8)；
The magnetic bearing stator (11) of magnetic bearing rotor (12) is fixed in bearing holder (housing, cover) (10), axially and radially relies on axis respectively
Bearing sleeve (10) shaft shoulder and locating rod (13) are positioned；
Rolling bearing (3) is installed on the 6th shaft part, detects the outer end face gap of ring (9) on the inside of the rolling bearing (3) with sensor
Cooperation, inner face and the cooperation of the 6th shaft part surface gap.
2. the four-degree-of-freedom magnetic suspension high speed motor based on conventional motors according to claim 1, it is characterised in that：It is electronic
Machine stator (15) is fixed by motor bed-plate (14)；Bearing holder (housing, cover) (10) of the motor bed-plate (14) respectively at its both ends passes through engine base
Nut (17) is connected with the bolt assembly that engine base threaded rod (18) is constituted.
3. the four-degree-of-freedom magnetic suspension high speed motor based on conventional motors according to claim 2, it is characterised in that：Electric whirlpool
Stream displacement sensor (8) and magnetic bearing stator (11) are respectively positioned in bearing holder (housing, cover) (10).
4. the four-degree-of-freedom magnetic suspension high speed motor based on conventional motors according to claim 3, it is characterised in that：It rolls
The outer end cap (2) of bearing (3) is connect by bolt assembly with bearing holder (housing, cover) (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426640.2U CN208015526U (en) | 2018-03-28 | 2018-03-28 | A kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426640.2U CN208015526U (en) | 2018-03-28 | 2018-03-28 | A kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208015526U true CN208015526U (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820426640.2U Expired - Fee Related CN208015526U (en) | 2018-03-28 | 2018-03-28 | A kind of four-degree-of-freedom magnetic suspension high speed motor based on conventional motors |
Country Status (1)
| Country | Link |
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| CN (1) | CN208015526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306448A (en) * | 2018-03-28 | 2018-07-20 | 华南理工大学 | A kind of four-degree-of-freedom magnetic suspension high speed motor and method based on conventional motors |
-
2018
- 2018-03-28 CN CN201820426640.2U patent/CN208015526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306448A (en) * | 2018-03-28 | 2018-07-20 | 华南理工大学 | A kind of four-degree-of-freedom magnetic suspension high speed motor and method based on conventional motors |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20210328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |