CN206259796U - A kind of magnetic suspension motor rotor cooling fan fixed structure - Google Patents
A kind of magnetic suspension motor rotor cooling fan fixed structure Download PDFInfo
- Publication number
- CN206259796U CN206259796U CN201621394406.3U CN201621394406U CN206259796U CN 206259796 U CN206259796 U CN 206259796U CN 201621394406 U CN201621394406 U CN 201621394406U CN 206259796 U CN206259796 U CN 206259796U
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- China
- Prior art keywords
- cooling fan
- fixed cover
- rotor
- fixing screws
- bearing
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Abstract
The utility model discloses a kind of magnetic suspension motor rotor cooling fan fixed structure, including rotor, fixed cover, cooling fan, fixed cover fixing screws, cooling fan fixing screws, counterweight screws and bearing, two bearings are sheathed on rotor, fixed cover is fixedly connected on the bottom of rotor by fixed cover fixing screws, and an end wall of fixed cover is contacted on bearing, and contact on rotor two bearings, cooling fan is placed on fixed cover, cooling fan fixing screws sequentially pass through cooling fan and fixed cover and are threaded on rotor, counterweight screws are threaded in cooling fan；Fixed cover is provided with lug boss, and cooling fan is provided with concave part, lug boss is placed in concave part；Some counterweight screwed holes are located on the circumferencial direction of cooling fan.The utility model simple installation, by the two-way cooperation of fixed cover, reduces the amount of unbalance of cooling fan radial direction, and the counterweight screwed hole in cooling fan facilitates the balancing of rotor, and dismounting is easy.
Description
Technical field：
The utility model is related to a kind of magnetic suspension motor rotor cooling fan fixed structure.
Background technology：
The cooling fan of magnetic suspension motor rotor is the important component in magnetic suspension motor, carries cooling motor temperature
Effect.Its operation principle is, with the rotation of rotor, the high-temperature gas in motor to be extracted out, reaches the purpose of cooling.Cooling wind
The amount of unbalance of fan, degree of stability each depend on the precision of installation and the precision of balancing.
Therefore, it is necessory to be improved to solve the deficiency of prior art to prior art.
Utility model content：
The utility model is to solve the problems, such as above-mentioned prior art and to provide a kind of magnetic suspension motor rotor cold
But fan fixed structure.
The technical scheme that the utility model is used has：A kind of magnetic suspension motor rotor cooling fan fixed structure, including
Rotor, fixed cover, cooling fan, fixed cover fixing screws, cooling fan fixing screws, counterweight screws and bearing, described in two
Bearing is sheathed on rotor, and fixed cover is fixedly connected on the bottom of rotor by fixed cover fixing screws, and fixed cover one
End wall is contacted on bearing, and two bearings are contacted on rotor, and cooling fan is placed on fixed cover, cooling fan fixing screws
Sequentially pass through cooling fan and fixed cover and be threaded on rotor, counterweight screws are threaded in cooling fan；
The fixed cover is provided with lug boss, and cooling fan is provided with concave part, lug boss is placed in concave part；
Some counterweight screwed holes are located on the circumferencial direction of the cooling fan.
Further, the cooling fan is provided with through hole, and the hexagonal fixing end in fixed cover fixing screws is placed in this and leads to
In hole.
Further, the rotor is provided with stage portion, and fixed cover contacts in the stage portion bearing.
The utility model has the advantages that：The utility model simple installation, by the two-way cooperation of fixed cover, subtracts
The amount of unbalance of small cooling fan radial direction, the counterweight screwed hole in cooling fan facilitates the balancing of rotor, fixed cover to fix spiral shell
Nail and cooling fan fixing screws, respectively fix two kinds of parts, even if cooling fan is damaged, dismounting also can be relatively simple.
Brief description of the drawings：
Fig. 1 is the utility model structure chart.
Fig. 2 is structure chart of the utility model middle (center) bearing on rotor.
Specific embodiment：
The utility model is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model discloses a kind of magnetic suspension motor rotor cooling fan fixed structure, including rotor 1,
Fixed cover 2, cooling fan 3, fixed cover fixing screws 4, cooling fan fixing screws 5, counterweight screws 6 and bearing 7, two axles
Hold 7 to be sheathed on rotor 1, fixed cover 2 is fixedly connected on the bottom of rotor 1, and fixed cover 2 by fixed cover fixing screws 4
Upper end wall contact on bearing 7, two bearings 7 are contacted on rotor 1 by fixed cover 2.Cooling fan 3 is placed in fixed cover 2
On, cooling fan fixing screws 5 sequentially pass through cooling fan 3 and fixed cover 2 and are threaded on rotor 1, then will cooling
Fan 3 is fixed on rotor 1.Some counterweight screwed holes 32 are located on the circumferencial direction of cooling fan 3, according to turning for rotor 1
Dynamic state, the counterweight screws 6 in increase and decrease screwed hole 32.
Lug boss 21 is provided with the lower surface of fixed cover 2, concave part 31 is provided with cooling fan 3, lug boss 21 is put
In in concave part 31.
Through hole 33 is provided with cooling fan 3, the hexagonal fixing end in fixed cover fixing screws 4 is placed in the through hole 33.
Stage portion 11 is provided with rotor 1, fixed cover 2 contacts in the stage portion 11 bearing 7.
Two bearings 7 fail in magnetic bearing in the utility model, or in shutdown process, bearing are played instead of magnetic bearing
Effect.
Such as Fig. 2, fixed cover 2 is also limited in pairs in addition to auxiliary installs cooling fan 3 together with the step surface of rotor 1
The axial internal clearance of bearing, general warranty a-b=0.4mm, in case clashing into magnetic bearing when the sub- start and stop of rotation stop or emergency case, is played
Protective effect.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, some improvement can also be made on the premise of the utility model principle is not departed from, these improvement also should be regarded as
Protection domain of the present utility model.
Claims (3)
1. a kind of magnetic suspension motor rotor cooling fan fixed structure, it is characterised in that：Including rotor (1), fixed cover (2), cold
But fan (3), fixed cover fixing screws (4), cooling fan fixing screws (5), counterweight screws (6) and bearing (7), described in two
Bearing (7) is sheathed on rotor (1), and fixed cover (2) is fixedly connected on the bottom of rotor (1) by fixed cover fixing screws (4)
Hold, and an end wall of fixed cover (2) is contacted on bearing (7), and two bearings (7) are contacted on rotor (1), cooling fan
(3) it is placed on fixed cover (2), cooling fan fixing screws (5) sequentially pass through cooling fan (3) and fixed cover (2) and screw thread connects
It is connected on rotor (1), counterweight screws (6) are threaded in cooling fan (3)；
The fixed cover (2) is provided with lug boss (21), and cooling fan (3) is provided with concave part (31), lug boss (21) is put
In concave part (31)；
Some counterweight screwed holes (32) are located on the circumferencial direction of the cooling fan (3).
2. magnetic suspension motor rotor cooling fan fixed structure as claimed in claim 1, it is characterised in that：The cooling fan
(3) through hole (33) is provided with, the hexagonal fixing end in fixed cover fixing screws (4) is placed in the through hole (33).
3. magnetic suspension motor rotor cooling fan fixed structure as claimed in claim 1, it is characterised in that：The rotor (1)
Stage portion (11) is provided with, fixed cover (2) contacts in the stage portion (11) bearing (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394406.3U CN206259796U (en) | 2016-12-19 | 2016-12-19 | A kind of magnetic suspension motor rotor cooling fan fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621394406.3U CN206259796U (en) | 2016-12-19 | 2016-12-19 | A kind of magnetic suspension motor rotor cooling fan fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259796U true CN206259796U (en) | 2017-06-16 |
Family
ID=59030070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621394406.3U Active CN206259796U (en) | 2016-12-19 | 2016-12-19 | A kind of magnetic suspension motor rotor cooling fan fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206259796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712381A (en) * | 2016-12-19 | 2017-05-24 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor cooling fan fixation structure |
| US12021437B2 (en) | 2019-06-12 | 2024-06-25 | Milwaukee Electric Tool Corporation | Rotary power tool |
-
2016
- 2016-12-19 CN CN201621394406.3U patent/CN206259796U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712381A (en) * | 2016-12-19 | 2017-05-24 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor cooling fan fixation structure |
| US12021437B2 (en) | 2019-06-12 | 2024-06-25 | Milwaukee Electric Tool Corporation | Rotary power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211100 No.99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co.,Ltd. Address before: 211100 Jiangning Development Zone, Jiangsu Province, nine bamboo Road, No. 100, No. Patentee before: NANJING CIGU Ltd.,Corp. |