CN207719933U - A kind of thrust disc fixed structure in magnetic suspension motor rotor - Google Patents
A kind of thrust disc fixed structure in magnetic suspension motor rotor Download PDFInfo
- Publication number
- CN207719933U CN207719933U CN201721869749.5U CN201721869749U CN207719933U CN 207719933 U CN207719933 U CN 207719933U CN 201721869749 U CN201721869749 U CN 201721869749U CN 207719933 U CN207719933 U CN 207719933U
- Authority
- CN
- China
- Prior art keywords
- thrust disc
- bearing
- thrust
- top cover
- mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910001104 4140 steel Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
Abstract
The utility model discloses the thrust disc fixed structures in a kind of magnetic suspension motor rotor, thrust disc and thrust disc are fixed top cover and are sheathed on mandrel, and thrust disc, thrust disc are fixed between top cover and mandrel and are interference fitted, thrust disc is fixed top cover and is contacted on thrust disc, thrust disc contacts on mandrel, and one end of thrust disc is placed between lifting force magnetic bearing and lower thrust magnetic bearing；Axle sleeve and bearing (ball) cover are sheathed on mandrel, and shaft end screw thread is connected to core the tip of the axis, and shaft end screw contacts on bearing (ball) cover, and bearing (ball) cover contacts on axle sleeve, and axle sleeve contacts at thrust disc and fixes in top cover.The utility model is simple in structure, thrust disc fix top cover use the material different from thrust disc, be assemblied on mandrel using elastic conjunction technique, can avoid eccentricity at high speed and thermally expand in the environment of, interference volume disappear the phenomenon that.Thrust disc is withstood using thrust disc fixing sleeve, can avoid thrust disc that axial transmission occurs, damage thrust magnetic bearing.
Description
Technical field：
The utility model is related to the thrust disc fixed structures in a kind of magnetic suspension motor rotor.
Background technology：
In existing magnetcisuspension floating centrifugal motor, the parts thereof in rotor part uses elastic conjunction technique, such as
Thrust disc.The rotating speed of magnetic suspension motor is higher, generally in 20000r/min or more, due to the particularity of thrust disk material, in height
In the environment of rotating speed eccentricity and thermal expansion, the interference volume of thrust disc will disappear, using there are security risks.
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
Thrust disc fixed structure.
Technical solution used by the utility model has：A kind of thrust disc fixed structure in magnetic suspension motor rotor, packet
Include magnetic axis bearing, mandrel, radial direction magnetic bearing, lifting force magnetic bearing and lower thrust magnetic bearing, the radial direction magnetic bearing, lifting force magnetic
Bearing and lower thrust magnetic bearing are both secured in magnetic axis bearing, mandrel be supported on radial direction magnetic bearing, lifting force magnetic bearing and under push away
Further include that thrust disc, thrust disc fix top cover, axle sleeve, bearing (ball) cover and shaft end screw in power magnetic bearing, the thrust disc and pushes away
Power disk is fixed top cover and is sheathed on mandrel, and thrust disc, thrust disc are fixed between top cover and mandrel and be interference fitted, thrust disc
Fixed top cover contacts on thrust disc, and thrust disc contacts on mandrel, and one end of thrust disc is placed in lifting force magnetic bearing and is pushed away under
Between power magnetic bearing；
Axle sleeve and bearing (ball) cover are sheathed on mandrel, and shaft end screw thread is connected to core the tip of the axis, and shaft end screw
It contacts on bearing (ball) cover, bearing (ball) cover contacts on axle sleeve, and axle sleeve contacts at thrust disc and fixes in top cover；
The thrust disc is fixed top cover and is made of No. 4140 steel.
The thrust disc is made of pure iron.
Further, it is T shape that the thrust disc, which fixes top cover,.
Further, the side wall of the axle sleeve upper port extends outwardly and forms positioning side, which contacts at thrust
Disk is fixed in top cover.
Further, the axis direction of the bearing (ball) cover is equipped with stepped hole, and the upper surface of bearing (ball) cover is equipped with boss
Portion.
The utility model has the advantages that：The utility model is simple in structure, and thrust disc fixes top cover and uses and push away
The different material of power disk, is assemblied in using elastic conjunction technique on mandrel, and eccentricity at high speed and thermal expansion can be avoided
In the environment of, interference volume disappear the phenomenon that.Thrust disc is withstood using thrust disc fixing sleeve, can avoid thrust disc that axial pass occurs
It is dynamic, damage thrust magnetic bearing.
Description of the drawings：
Fig. 1 is the utility model structure chart.
Fig. 2 be the utility model in thrust disc, thrust disc fix top cover, axle sleeve and bearing (ball) cover structure chart.
Specific implementation mode：
The utility model will be further described below with reference to the accompanying drawings.
Such as Fig. 1 and Fig. 2, the utility model discloses the thrust disc fixed structure in a kind of magnetic suspension motor rotor, including magnetic
Bearing block 1, mandrel 2, radial direction magnetic bearing 3, lifting force magnetic bearing 4, lower thrust magnetic bearing 5, thrust disc 6, thrust disc fix top cover
7, axle sleeve 8, bearing (ball) cover 9 and shaft end screw 10, radial direction magnetic bearing 3, lifting force magnetic bearing 4 and lower thrust magnetic bearing 5 are fixed
In in magnetic axis bearing 1, mandrel 2 is supported in radial direction magnetic bearing 3, lifting force magnetic bearing 4 and lower thrust magnetic bearing 5,6 He of thrust disc
Thrust disc is fixed top cover 7 and is sheathed on mandrel 2, and thrust disc 6, thrust disc are fixed interference between top cover 7 and mandrel 2 and matched
It closes, thrust disc is fixed top cover 7 and contacted on thrust disc 6, and thrust disc 6 contacts on radial direction magnetic bearing 3, and one end of thrust disc 6 is set
Between lifting force magnetic bearing 4 and lower thrust magnetic bearing 5.Axle sleeve 8 and bearing (ball) cover 9 are sheathed on mandrel 2, shaft end screw 10
It is threaded in the end of mandrel 2, and shaft end screw 10 contacts on bearing (ball) cover 9, bearing (ball) cover 9 contacts on axle sleeve 8, axis
Set 8 contacts at thrust disc and fixes in top cover 7, and thrust disc fixes top cover 7 and contacts at thrust disc 6 on mandrel 2.
Thrust disc is fixed top cover 7 and is made of No. 4140 steel, and thrust disc 6 is made of pure iron.Thrust disc fixes top cover 7
Interference volume is more than the interference volume of thrust disc 6.During magnetic suspension motor high-speed rotation, top cover 7 is fixed due to thrust disc and is used
Different materials is used from thrust disc 6, thrust disc, which fixes top cover 7, to carry out axial limiting to thrust disc 6, avoid in high rotating speed
Lower eccentricity and in the environment of thermally expanding, thrust disc 6 due to interference volume disappears and the phenomenon that move axially.
Thrust disc 6 in the utility model is an integral structure, including an ontology 61, the axis direction of the ontology 61 are equipped with
The outer circle wall of axis hole, 61 lower port of ontology extends outward to form disk body 63, which is placed in lifting force magnetic bearing 4 and is pushed away under
Between power magnetic bearing 5, the outer circle wall of 61 upper port of ontology, which extends outward to form, contradicts side 62.It contradicts side 62 and contacts at radial magnetic
On bearing 3, the contact area between the increase of side 62 and radial direction magnetic bearing 3 is contradicted.6 structure of integral type thrust disc reduces part, adds
Work is convenient, can also simplify assembly technology.
It is T shape that thrust disc, which fixes top cover 7,.The side wall of 8 upper port of axle sleeve extends outwardly and forms positioning side 81, the positioning
Side 81 contacts at thrust disc and fixes in top cover 7.
The axis direction of bearing (ball) cover 9 is equipped with stepped hole 90, and the upper surface of bearing (ball) cover 9 is equipped with boss portion 91.Boss
The bearing surface in portion 91 contacts on axle sleeve 8, and the step surface of stepped hole 90 contacts on the end face of mandrel 2.
The utility model is simple in structure, and thrust disc fixes top cover 7 and uses the material different from thrust disc 6, is filled using interference
It is assemblied on mandrel 2 with technique, in the environment of capable of avoiding eccentricity at high speed and thermally expanding, what interference volume disappeared shows
As.Thrust disc is withstood using thrust disc fixing sleeve, can avoid thrust disc that axial transmission occurs, damage thrust magnetic bearing.
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 (4)
1. the thrust disc fixed structure in a kind of magnetic suspension motor rotor, including magnetic axis bearing (1), mandrel (2), radial direction magnetic bearing
(3), lifting force magnetic bearing (4) and lower thrust magnetic bearing (5), the radial direction magnetic bearing (3), lifting force magnetic bearing (4) and under push away
Power magnetic bearing (5) is both secured in magnetic axis bearing (1), mandrel (2) be supported on radial direction magnetic bearing (3), lifting force magnetic bearing (4) and
In lower thrust magnetic bearing (5), it is characterised in that：Further include thrust disc (6), thrust disc fixation top cover (7), axle sleeve (8), bearing end
(9) and shaft end screw (10) are covered, the thrust disc (6) and thrust disc are fixed top cover (7) and be sheathed on mandrel (2), and thrust
Disk (6), thrust disc are fixed between top cover (7) and mandrel (2) and are interference fitted, and thrust disc fixes top cover (7) and contacts at thrust disc
(6) on, thrust disc (6) contacts on mandrel (2), and one end of thrust disc (6) is placed in lifting force magnetic bearing (4) and lower thrust magnetic axis
It holds between (5)；
Axle sleeve (8) and bearing (ball) cover (9) are sheathed on mandrel (2), and shaft end screw (10) is threaded in the end of mandrel (2)
End, and shaft end screw (10) contacts on bearing (ball) cover (9), bearing (ball) cover (9) contacts on axle sleeve (8), and axle sleeve (8) contacts at
Thrust disc is fixed in top cover (7)；
The thrust disc is fixed top cover (7) and is made of No. 4140 steel；
The thrust disc (6) is made of pure iron.
2. the thrust disc fixed structure in magnetic suspension motor rotor as described in claim 1, it is characterised in that：The thrust disc
Fixed top cover (7) is T shape.
3. the thrust disc fixed structure in magnetic suspension motor rotor as described in claim 1, it is characterised in that：The axle sleeve
(8) side wall of upper port extends outwardly and forms positioning side (81), which contacts at thrust disc and fix top cover (7)
On.
4. the thrust disc fixed structure in magnetic suspension motor rotor as described in claim 1, it is characterised in that：The bearing end
The axis direction for covering (9) is equipped with stepped hole (90), and the upper surface of bearing (ball) cover (9) is equipped with boss portion (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869749.5U CN207719933U (en) | 2017-12-28 | 2017-12-28 | A kind of thrust disc fixed structure in magnetic suspension motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721869749.5U CN207719933U (en) | 2017-12-28 | 2017-12-28 | A kind of thrust disc fixed structure in magnetic suspension motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207719933U true CN207719933U (en) | 2018-08-10 |
Family
ID=63050587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721869749.5U Withdrawn - After Issue CN207719933U (en) | 2017-12-28 | 2017-12-28 | A kind of thrust disc fixed structure in magnetic suspension motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207719933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054850A (en) * | 2017-12-28 | 2018-05-18 | 南京磁谷科技有限公司 | A kind of thrust disc fixed structure in magnetic suspension motor rotor |
| CN109225670A (en) * | 2018-09-10 | 2019-01-18 | 山东科技大学 | A kind of hybrid magnetic suspension bearing medical centrifuge and its control method |
-
2017
- 2017-12-28 CN CN201721869749.5U patent/CN207719933U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054850A (en) * | 2017-12-28 | 2018-05-18 | 南京磁谷科技有限公司 | A kind of thrust disc fixed structure in magnetic suspension motor rotor |
| CN108054850B (en) * | 2017-12-28 | 2024-03-15 | 南京磁谷科技有限公司 | Thrust disc fixing structure in magnetic suspension motor rotor |
| CN109225670A (en) * | 2018-09-10 | 2019-01-18 | 山东科技大学 | A kind of hybrid magnetic suspension bearing medical centrifuge and its control method |
| CN109225670B (en) * | 2018-09-10 | 2019-07-19 | 山东科技大学 | A kind of hybrid magnetic suspension bearing medical centrifuge and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 Ltd.,Corp. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180810 Effective date of abandoning: 20240315 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180810 Effective date of abandoning: 20240315 |