CN207719938U - The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor - Google Patents
The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor Download PDFInfo
- Publication number
- CN207719938U CN207719938U CN201721869750.8U CN201721869750U CN207719938U CN 207719938 U CN207719938 U CN 207719938U CN 201721869750 U CN201721869750 U CN 201721869750U CN 207719938 U CN207719938 U CN 207719938U
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- Prior art keywords
- bearing
- anticollision ring
- magnetic
- magnetic bearing
- lifting force
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Abstract
The utility model discloses a kind of mounting structures of anticollision ring in magnetic suspension motor rotor; lifting force magnetic bearing and lower thrust magnetic bearing are fixed on by screw in magnetic axis bearing; mandrel rotational support is in lifting force magnetic bearing and lower thrust magnetic bearing; further include anticollision ring, protection bearing and bearing block; the anticollision ring is installed on by interference fit type on mandrel, and one end of anticollision ring stretches in lifting force magnetic bearing and lower thrust magnetic bearing；Bearing block is set between lifting force magnetic bearing and lower thrust magnetic bearing; bearing holder (housing, cover) is protected to be set on anticollision ring; thrust disc is installed on by interference fit type on anticollision ring, and thrust disc is located at the side of lower thrust magnetic bearing, and thrust disc will protect bearing to be axially positioned in bearing block.When out-of-control phenomenon occurs for motor, protection bearing and thrust disc collide with anticollision ring, and anticollision ring is impaired, to protect spindle nose, need to only take out anticollision ring, replace anticollision ring, the cost of repair is greatly saved.
Description
Technical field：
The utility model is related to a kind of mounting structures of anticollision ring in magnetic suspension motor rotor.
Background technology：
In existing magnetcisuspension floating centrifugal motor, the spindle nose of general rotor band anticollision ring, the rotating speed of magnetic suspension motor compared with
Height, generally in 20000r/min or more, once motor, there is a phenomenon where out of control, the anticollision ring of rotor can bump against protection bearing
On, rotor is since in the environment of high rotating speed eccentricity and thermal expansion, interference volume disappears, and thrust disc can loosen, and lead to thrust magnetic
The damage of bearing.
Utility model content：
The utility model is provided to solve the above-mentioned problems of the prior art in a kind of magnetic suspension motor rotor
The mounting structure of anticollision ring.
Technical solution used by the utility model has：The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor, packet
Include magnetic axis bearing, mandrel, lifting force magnetic bearing, lower thrust magnetic bearing and thrust disc, the lifting force magnetic bearing and lower thrust magnetic
Bearing is fixed on by screw in magnetic axis bearing, and mandrel rotational support is gone back in lifting force magnetic bearing and lower thrust magnetic bearing
It is installed on mandrel by interference fit type including anticollision ring, protection bearing and bearing block, the anticollision ring, and anticollision ring
One end stretches in lifting force magnetic bearing and lower thrust magnetic bearing；Bearing block be set to lifting force magnetic bearing and lower thrust magnetic bearing it
Between, protection bearing holder (housing, cover) is set on anticollision ring, under thrust disc is installed on by interference fit type on anticollision ring, and thrust disc is located at
The side of thrust magnetic bearing, thrust disc will protect bearing to be axially positioned in bearing block.
Further, the outer wall of the anticollision ring is equipped with lug boss, and the inner ring of bearing is protected to contact on lug boss.
Further, the bearing block includes upper pedestal and lower base, and upper pedestal and lower base are welded to each other, upper pedestal
Upper port extends outward to form the first position-limited edge, and the lower port of lower base extends outward to form the second position-limited edge.
The utility model has the advantages that：
1) when out-of-control phenomenon occurs for motor, protection bearing and thrust disc collide with anticollision ring, and anticollision ring is impaired,
To protect spindle nose, anticollision ring need to only be taken out, replace anticollision ring, the cost of repair is greatly saved；
2) thrust disc contacts on anticollision ring, and anticollision ring avoids run at high speed simultaneously, the factor of eccentricity and thermal expansion
Cause the disappearance of interference volume, thrust disc that axial motion, grazing thrust magnetic bearing occurs；Part is reduced, it is easy to process, can also it simplify
Assembly technology.
Description of the drawings：
Fig. 1 is the utility model structure chart.
Fig. 2 is the utility model partial enlarged view.
Fig. 3 is the structure chart of anticollision ring and bearing block in the utility model.
Specific implementation mode：
The utility model will be further described below with reference to the accompanying drawings.
Such as Fig. 1 to Fig. 3, the utility model discloses a kind of mounting structure of anticollision ring in magnetic suspension motor rotor, including magnetic
Bearing block 1, mandrel 2, lifting force magnetic bearing 4, lower thrust magnetic bearing 5, thrust disc 6, anticollision ring 7, protection bearing 8 and bearing block 9,
Lifting force magnetic bearing 4 and lower thrust magnetic bearing 5 are fixed on by screw in magnetic axis bearing 1, and 2 rotational support of mandrel is in lifting force
In magnetic bearing 4 and lower thrust magnetic bearing 5, anticollision ring 7 is installed on by interference fit type on mandrel 2, and one end of anticollision ring 7
It stretches in lifting force magnetic bearing 4 and lower thrust magnetic bearing 5.Bearing block 9 be set to lifting force magnetic bearing 4 and lower thrust magnetic bearing 5 it
Between, protection bearing 8 is sheathed on anticollision ring 7, and thrust disc 6 is installed on by interference fit type on anticollision ring 7, and thrust disc 6
Positioned at the side of lower thrust magnetic bearing 5, thrust disc 6 will protect bearing 8 to being positioned in bearing block 9.
Lug boss 71 is equipped on the outer wall of anticollision ring 7, the inner ring of protection bearing 8 contacts on lug boss 71.
Bearing block 9 in the utility model includes upper pedestal 91 and lower base 92, and upper pedestal 91 and lower base 92 mutually weld
It connects, the upper port of upper pedestal 91 extends outward to form the first position-limited edge, and the outer ring of protection bearing 8 contacts on the first position-limited edge.
The lower port of lower base 92 extends outward to form the second position-limited edge.Second position-limited edge contacts on the inner wall of lower thrust magnetic bearing 5.
When assembly, nut 10 is threaded in the end of mandrel 2, and nut 10 contacts at thrust disc 6 on anticollision ring 7.When
Out-of-control phenomenon occurs for motor, and bearing 8 and thrust disc 6 is protected to collide with anticollision ring 7, and anticollision ring 7 is impaired, to protect
Spindle nose need to only take out anticollision ring 7, replace anticollision ring, the cost of repair is greatly saved.Thrust disc 6 contacts at anti-
It hits on ring 7, anticollision ring 7 avoids run at high speed simultaneously, and the factor of eccentricity and thermal expansion causes the disappearance of interference volume, thrust disc
6 occur axial motion, grazing thrust magnetic bearing；Part is reduced, it is easy to process, it can also simplify assembly technology.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
It for art personnel, can also make several improvements without departing from the principle of this utility model, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (3)
1. the mounting structure of anticollision ring in a kind of magnetic suspension motor rotor, including magnetic axis bearing (1), mandrel (2), lifting force magnetic axis
(4), lower thrust magnetic bearing (5) and thrust disc (6) are held, the lifting force magnetic bearing (4) and lower thrust magnetic bearing (5) pass through spiral shell
Nail is fixed in magnetic axis bearing (1), and mandrel (2) rotational support is interior in lifting force magnetic bearing (4) and lower thrust magnetic bearing (5),
It is characterized in that：Further include that anticollision ring (7), protection bearing (8) and bearing block (9), the anticollision ring (7) pass through interference fit type
It is installed on mandrel (2), and one end of anticollision ring (7) stretches in lifting force magnetic bearing (4) and lower thrust magnetic bearing (5)；Bearing
Seat (9) is set between lifting force magnetic bearing (4) and lower thrust magnetic bearing (5), and protection bearing (8) is sheathed on anticollision ring (7), is pushed away
Power disk (6) is installed on by interference fit type on anticollision ring (7), and thrust disc (6) is located at the one of lower thrust magnetic bearing (5)
Side, thrust disc (6) will protect bearing (8) to be axially positioned in bearing block (9).
2. the mounting structure of anticollision ring in magnetic suspension motor rotor as described in claim 1, it is characterised in that：The anticollision ring
(7) outer wall is equipped with lug boss (71), and the inner ring of protection bearing (8) contacts on lug boss (71).
3. the mounting structure of anticollision ring in magnetic suspension motor rotor as described in claim 1, it is characterised in that：The bearing block
(9) include upper pedestal (91) and lower base (92), upper pedestal (91) and lower base (92) are welded to each other, the upper end of upper pedestal (91)
Mouth extends outward to form the first position-limited edge, and the lower port of lower base (92) extends outward to form the second position-limited edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869750.8U CN207719938U (en) | 2017-12-28 | 2017-12-28 | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869750.8U CN207719938U (en) | 2017-12-28 | 2017-12-28 | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207719938U true CN207719938U (en) | 2018-08-10 |
Family
ID=63050615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721869750.8U Active CN207719938U (en) | 2017-12-28 | 2017-12-28 | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207719938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968512A (en) * | 2017-12-28 | 2018-04-27 | 南京磁谷科技有限公司 | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor |
-
2017
- 2017-12-28 CN CN201721869750.8U patent/CN207719938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107968512A (en) * | 2017-12-28 | 2018-04-27 | 南京磁谷科技有限公司 | The mounting structure of anticollision ring in a kind of magnetic suspension motor rotor |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |