CN208062964U - The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor - Google Patents
The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor Download PDFInfo
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- CN208062964U CN208062964U CN201721869412.4U CN201721869412U CN208062964U CN 208062964 U CN208062964 U CN 208062964U CN 201721869412 U CN201721869412 U CN 201721869412U CN 208062964 U CN208062964 U CN 208062964U
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- bearing
- thrust disc
- magnetic
- thrust
- protection
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Abstract
The utility model discloses a kind of mounting structures of anticollision thrust disc in magnetic suspension motor rotor, magnetic axis bearing, radial direction magnetic bearing and lifting force magnetic bearing are both secured in magnetic axis bearing, thrust disc connector sleeve is sheathed on mandrel, thrust disc is fixedly connected by screw with thrust disc connector sleeve, one end of thrust disc stretches between lifting force magnetic bearing and lower thrust magnetic bearing, protection bearing block is fixed on lower thrust magnetic bearing, bearing holder (housing, cover) is protected to be set on thrust disc, protection bearing (ball) cover is fixed on protection bearing block, bearing (ball) cover is fixed on by screw on mandrel, bearing (ball) cover and protection bearing (ball) cover are contacted at respectively on the Internal and external cycle of protection bearing.In motor out-of-control phenomenon occurs for the utility model, and guarantor can be effectively protected spindle nose, the cost of repair is greatly saved；Bearing (ball) cover withstands thrust disc from bottom, avoids running at high speed, and the factor of eccentricity and thermal expansion causes the disappearance of interference volume, thrust disc that grazing occurs with thrust magnetic bearing.
Description
Technical field：
The utility model is related to a kind of mounting structures of anticollision thrust disc in magnetic suspension motor rotor.
Background technology：
In existing magnetcisuspension floating centrifugal motor, the thrust disc in rotor part, form is more, but magnetic suspension motor
Rotating speed is higher, generally in 20000r/min or more, once motor, there is a phenomenon where out of control, rotor can bump against on protection bearing,
Rotor shaft end can be damaged, and whole roots rotor is needed replacing when reprocessing, and cost is higher.
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 thrust disc.
The technical solution adopted in the utility model has：The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor,
Including mandrel, magnetic axis bearing, radial direction magnetic bearing, lifting force magnetic bearing and lower thrust magnetic bearing, the magnetic axis bearing, radial magnetic axis
It holds and is both secured in magnetic axis bearing with lifting force magnetic bearing, mandrel rotational support is in magnetic axis bearing, radial direction magnetic bearing and lifting force
Further include thrust disc, protection bearing block, protection bearing (ball) cover, protection bearing, thrust disc connector sleeve and bearing end in magnetic bearing
Lid, the thrust disc connector sleeve is sheathed on mandrel, and is interference fitted between thrust disc connector sleeve and mandrel, and thrust disc is sheathed on
On mandrel, and thrust disc is fixedly connected by screw with thrust disc connector sleeve, one end of thrust disc stretch in lifting force magnetic bearing and
Between lower thrust magnetic bearing, protection bearing block is fixed on lower thrust magnetic bearing, and is protected and formed between bearing block and thrust disc
There is bearing installation cavity, protection bearing holder (housing, cover) is set on thrust disc, and bearing is protected to be placed in bearing installation cavity, and protection bearing (ball) cover is solid
Due on protection bearing block, bearing (ball) cover is fixed on by screw on mandrel, and bearing (ball) cover and protection bearing (ball) cover contradict respectively
In protection bearing Internal and external cycle on, and will protection bearing be axially positioned in bearing installation cavity.
Further, the axis direction of the thrust disc is equipped with blind hole, convex pan portion is equipped on the outer wall of thrust disc, this is convex
Pan portion stretches between lifting force magnetic bearing and lower thrust magnetic bearing.
Further, the outer wall of the thrust disc is equipped with the first positioning convex platform, and the inner ring of bearing is protected to contact at first
On positioning convex platform.
Further, the internal chamber wall of the protection bearing block is equipped with the second positioning convex platform, and the outer ring of bearing is protected to contradict
In on the second positioning convex platform.
Further, the mandrel is equipped with stage portion, which contacts on thrust disc.
The utility model has the advantages that：When in use, when out-of-control phenomenon, protection bearing and thrust occur for motor
Disk collides, and thrust disc is impaired, to protect spindle nose, only needs to take out with thrust disc, replaces thrust disc, save significantly
The about cost of repair；Bearing (ball) cover withstands thrust disc from bottom, avoids running at high speed, and the factor of eccentricity and thermal expansion causes
With thrust magnetic bearing grazing occurs for the disappearance of interference volume, thrust disc；Part is reduced, it is easy to process, it can also 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 thrust disc in the utility model.
Fig. 4 is the structure chart that bearing block is protected in the utility model.
Specific implementation mode：
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1 to Figure 4, the utility model discloses a kind of mounting structure of anticollision thrust disc in magnetic suspension motor rotor, packet
Include mandrel 1, magnetic axis bearing 2, radial direction magnetic bearing 3, lifting force magnetic bearing 4, lower thrust magnetic bearing 5, thrust disc 6, protection bearing block
7, bearing (ball) cover 8, protection bearing 9, thrust disc connector sleeve 10 and bearing (ball) cover 11, magnetic axis bearing 2,3 and of radial direction magnetic bearing are protected
Lifting force magnetic bearing 4 is both secured in magnetic axis bearing 2, and 1 rotational support of mandrel is in magnetic axis bearing 2, radial direction magnetic bearing 3 and lifting force
In magnetic bearing 4, thrust disc connector sleeve 10 is sheathed on mandrel 1, and is interference fitted between thrust disc connector sleeve 10 and mandrel 1, is pushed away
Power disk 6 is sheathed on mandrel 1, and thrust disc 6 is fixedly connected by screw with thrust disc connector sleeve 10, and one end of thrust disc 6 is stretched
Between lifting force magnetic bearing 4 and lower thrust magnetic bearing 5.Protection bearing block 7 is fixed on lower thrust magnetic bearing 5, and protects axis
Bearing installation cavity is formed between bearing 7 and thrust disc 6, protection bearing 9 is sheathed on thrust disc 6, and bearing 9 is protected to be placed in axis
It holds in installation cavity.Protection bearing (ball) cover 8 is fixed on protection bearing block 7, and bearing (ball) cover 11 is fixed on by screw on mandrel 1,
Bearing (ball) cover 11 and protection bearing (ball) cover 8 are contacted at respectively on the inside and outside circle of protection bearing 9, and bearing 9 will be protected axial fixed
In bearing installation cavity.
It is equipped with blind hole 61 in the axis direction of thrust disc 6, convex pan portion 62, the convex pan portion are equipped on the outer wall of thrust disc 6
62 stretch between lifting force magnetic bearing 4 and lower thrust magnetic bearing 5.
The outer wall of thrust disc 6 is equipped with the first positioning convex platform 63, and the inner ring of protection bearing 9 contacts at the first positioning convex platform
On 63.
The internal chamber wall of bearing block 7 is protected to be equipped with the second positioning convex platform 72, the outer ring of protection bearing 9 contacts at the second positioning
On boss 72.
Mandrel 1 is equipped with stage portion, which contacts on thrust disc 6.
When in use, when out-of-control phenomenon occurs for motor, protection bearing 9 collides with thrust disc 6, and thrust disc 6 is impaired, from
And spindle nose is protected, it only needs to take out with thrust disc 6, replaces thrust disc, the cost of repair is greatly saved.
Bearing (ball) cover 11 withstands thrust disc 6 from bottom, avoids running at high speed, and the factor of eccentricity and thermal expansion causes interference
With thrust magnetic bearing grazing occurs for the disappearance of amount, thrust disc 6；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 (5)
1. the mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor, including mandrel (1), magnetic axis bearing (2), radial magnetic
Bearing (3), lifting force magnetic bearing (4) and lower thrust magnetic bearing (5), the magnetic axis bearing (2), radial direction magnetic bearing (3) and above push away
Power magnetic bearing (4) is both secured in magnetic axis bearing (2), mandrel (1) rotational support in magnetic axis bearing (2), radial direction magnetic bearing (3) and
In lifting force magnetic bearing (4), it is characterised in that：Further include thrust disc (6), protection bearing block (7), protection bearing (ball) cover (8), protect
Shield bearing (9), thrust disc connector sleeve (10) and bearing (ball) cover (11), the thrust disc connector sleeve (10) are sheathed on mandrel (1),
And be interference fitted between thrust disc connector sleeve (10) and mandrel (1), thrust disc (6) is sheathed on mandrel (1), and thrust disc (6)
It is fixedly connected with thrust disc connector sleeve (10) by screw, one end of thrust disc (6) stretches in lifting force magnetic bearing (4) and lower thrust
Between magnetic bearing (5), protection bearing block (7) is fixed on lower thrust magnetic bearing (5), and protects bearing block (7) and thrust disc (6)
Between be formed with bearing installation cavity, protection bearing (9) is sheathed on thrust disc (6), and bearing (9) is protected to be placed in bearing installation cavity
Interior, protection bearing (ball) cover (8) is fixed on protection bearing block (7), and bearing (ball) cover (11) is fixed on by screw on mandrel (1),
Bearing (ball) cover (11) and protection bearing (ball) cover (8) are contacted at respectively on the Internal and external cycle of protection bearing (9), and will protection bearing (9)
It is axially positioned in bearing installation cavity.
2. the mounting structure of anticollision thrust disc in magnetic suspension motor rotor as described in claim 1, it is characterised in that：It is described to push away
The axis direction of power disk (6) is equipped with blind hole (61), and convex pan portion (62), the convex pan portion (62) are equipped on the outer wall of thrust disc (6)
It stretches between lifting force magnetic bearing (4) and lower thrust magnetic bearing (5).
3. the mounting structure of anticollision thrust disc in magnetic suspension motor rotor as claimed in claim 2, it is characterised in that：It is described to push away
The outer wall of power disk (6) is equipped with the first positioning convex platform (63), and the inner ring of protection bearing (9) contacts at the first positioning convex platform (63)
On.
4. the mounting structure of anticollision thrust disc in magnetic suspension motor rotor as described in claim 1, it is characterised in that：The guarantor
The internal chamber wall for protecting bearing block (7) is equipped with the second positioning convex platform (72), and the outer ring of protection bearing (9) contacts at the second positioning convex platform
(72) on.
5. the mounting structure of anticollision thrust disc in magnetic suspension motor rotor as described in claim 1, it is characterised in that：The core
Axis (1) is equipped with stage portion, which contacts on thrust disc (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869412.4U CN208062964U (en) | 2017-12-28 | 2017-12-28 | The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869412.4U CN208062964U (en) | 2017-12-28 | 2017-12-28 | The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208062964U true CN208062964U (en) | 2018-11-06 |
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ID=63994625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721869412.4U Active CN208062964U (en) | 2017-12-28 | 2017-12-28 | The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208062964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979214A (en) * | 2017-12-28 | 2018-05-01 | 南京磁谷科技有限公司 | The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor |
-
2017
- 2017-12-28 CN CN201721869412.4U patent/CN208062964U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979214A (en) * | 2017-12-28 | 2018-05-01 | 南京磁谷科技有限公司 | The mounting structure of anticollision thrust disc in a kind of magnetic suspension motor rotor |
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| GR01 | Patent grant | ||
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| 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 Ltd.,Corp. |