CN204012985U - A kind of permanent magnet machine rotor - Google Patents
A kind of permanent magnet machine rotor Download PDFInfo
- Publication number
- CN204012985U CN204012985U CN201420483306.2U CN201420483306U CN204012985U CN 204012985 U CN204012985 U CN 204012985U CN 201420483306 U CN201420483306 U CN 201420483306U CN 204012985 U CN204012985 U CN 204012985U
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- pole
- permanent magnet
- field spider
- rotor field
- briquetting
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a kind of permanent magnet machine rotor, it is characterized in that: comprise rotating shaft, rotor field spider and multiple pole core, described rotor field spider is arranged in rotating shaft, described multiple pole cores are arranged on the cylindrical of rotor field spider; Magnetic pole briquetting is placed between two adjacent pole cores, and magnetic pole briquetting is provided with screwed hole, is fixed on rotor field spider by fastening bolt, compresses two adjacent pole cores; In pole core, be provided with permanent magnet.The new pole lamination of this practicality be positioned at the both sides of permanent magnet every magnetic bridge, pole core is fixed on rotor field spider by magnetic pole briquetting and fastening bolt, it is firm that pole core is installed, and the utility model can be applied under the operating mode of higher rotation speed; Meanwhile, the utility model also has advantages of simple in structure, installation, dismounting and easy to maintenance.
Description
Technical field
The utility model belongs to magneto field, particularly relates to a kind of permanent magnet machine rotor.
Background technology
After the permanent magnet of built-in radial magnetic field magneto and rotor punching assembling, be installed on rotating shaft or rotor field spider, be provided with every magnetic bridge in the both sides of punching yoke portion.In the time that motor speed is higher, often can not resist higher centrifugal force every magnetic bridge intensity, generally solve by contraction bands colligation or non-magnetic steel ring of hot jacket.But the air gap of this structure is larger, permanent magnet consumption is large, and requirement on machining accuracy is higher, and dismounting is very inconvenient.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of permanent magnet machine rotor of air gap, saving permanent magnet consumption and the convenient disassembly that can reduce motor, and the utility model can be for the operating mode of higher rotation speed.
The technical solution adopted in the utility model is: comprise rotating shaft, rotor field spider and multiple pole core, described rotor field spider is arranged in rotating shaft, described multiple pole cores are arranged on the cylindrical of rotor field spider, magnetic pole briquetting is placed between two adjacent pole cores, magnetic pole briquetting is provided with screwed hole, be fixed on rotor field spider by fastening bolt, compress two adjacent pole cores, in pole core, be provided with permanent magnet.
In above-mentioned permanent magnet machine rotor, described pole core comprises pole lamination and permanent magnet, and pole lamination is provided with through hole vertically, and permanent magnet is inserted in through hole.
In above-mentioned permanent magnet machine rotor, described rotor field spider cylindrical is provided with location notch, and the face towards rotor field spider of pole core is provided with locating piece, and the locating piece of pole core is inlaid in the location notch on rotor field spider cylindrical.
In above-mentioned permanent magnet machine rotor, described pole core both sides are provided with the seal face coordinating with magnetic pole briquetting, seal face is less than the distance of pole core cylindrical to spindle central to the distance of spindle central, and described magnetic pole briquetting is pressed on the seal face of two adjacent pole cores.
In above-mentioned permanent magnet machine rotor, the material that described fastening bolt and magnetic pole briquetting adopt is non-magnet material.
Compared with prior art, the beneficial effects of the utility model are:
The hole wall of the through hole of the pole lamination of permanent magnet of the present utility model both sides is as every magnetic bridge, when motor operation, do not need to bear centrifugal force every magnetic bridge, pole core is fixedly mounted on rotor field spider by magnetic pole briquetting and fastening bolt, it is firm that pole core is installed, and the utility model can be applied under the operating mode of higher rotation speed; Meanwhile, the utility model also has advantages of simple in structure, installation, dismounting and easy to maintenance.
Brief description of the drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is A-A profile in Fig. 1.
Fig. 3 is stereogram of the present utility model.
Fig. 4 is the structural representation of pole core of the present utility model.
Fig. 5 is the structural representation of pole lamination of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1-Figure 3, the utility model comprises multiple pole cores 1, multiple magnetic pole briquetting 2, rotor field spider 4 and rotating shaft 5.Described rotor field spider 4 is arranged in rotating shaft 5, multiple pole cores 1 are along the circumferential direction evenly arranged on the cylindrical of rotor field spider 4, magnetic pole briquetting 2 is pressed between adjacent pole core 1, magnetic pole briquetting 2 is provided with multiple screwed holes, corresponding to the screwed hole on magnetic pole briquetting 2, rotor field spider 4 is provided with bolt hole, fastening bolt 3 is through the bolt hole on rotor field spider 4, be spirally connected with screwed hole corresponding on magnetic pole briquetting 2, magnetic pole briquetting 2 is fixed on rotor field spider 4, compresses two adjacent pole cores 1.The material that described fastening bolt 3 and magnetic pole briquetting 2 adopt is non-magnet material.
As shown in Fig. 4-Fig. 5, described pole core 1 comprises pole lamination 6 and permanent magnet 7, and described pole lamination 6 is provided with through hole 61 vertically, and permanent magnet 7 is inserted in the through hole 61 of pole lamination 6.Described pole core 1 both sides are provided with the seal face 11 coordinating with magnetic pole briquetting 2, distance between the seal face 11 of pole core 1 and the center of rotating shaft 5 is less than the distance between the cylindrical 12 of pole core 1 and the center of rotating shaft 5, and described magnetic pole briquetting 2 is pressed on the seal face 11 of two adjacent pole cores 1.The face towards rotor field spider 4 of pole core 1 is provided with locating piece 13, the corresponding location notch that is provided with on the cylindrical of rotor field spider 4, and the locating piece 13 of pole core 1 is inlaid in the location notch of rotor field spider 4.
Hole wall 14 conducts of the through hole 61 of the pole lamination 6 of permanent magnet of the present utility model 7 both sides are every magnetic bridge, when motor operation, do not need to bear centrifugal force every magnetic bridge, pole core 1 is fixedly mounted on rotor field spider 4 by magnetic pole briquetting 2 and fastening bolt 3, it is firm that pole core 1 is installed, and makes the utility model be applicable to the operating mode of higher rotation speed.Meanwhile, the utility model is installed, dismantles, safeguards very convenient.
Be more than a kind of execution mode of the present utility model, a preferred demonstration example, the scope of the utility model application request protection has more than and is limited to described execution mode, and all and technical scheme the present embodiment equivalence all belongs to protection range of the present utility model.
Claims (5)
1. a permanent magnet machine rotor, is characterized in that: comprise rotating shaft, rotor field spider and multiple pole core, described rotor field spider is arranged in rotating shaft, and described multiple pole cores are arranged on the cylindrical of rotor field spider; Magnetic pole briquetting is placed between two adjacent pole cores, and magnetic pole briquetting is provided with screwed hole, is fixed on rotor field spider by fastening bolt, compresses two adjacent pole cores; In pole core, be provided with permanent magnet.
2. permanent magnet machine rotor as claimed in claim 1, is characterized in that: described pole core comprises pole lamination and permanent magnet, and pole lamination is provided with through hole vertically, and permanent magnet is inserted in through hole.
3. permanent magnet machine rotor as claimed in claim 1, it is characterized in that: described rotor field spider cylindrical is provided with location notch, the face towards rotor field spider of pole core is provided with locating piece, and the locating piece of pole core is inlaid in the location notch on rotor field spider cylindrical.
4. permanent magnet machine rotor as claimed in claim 1, it is characterized in that: described pole core both sides are provided with the seal face coordinating with magnetic pole briquetting, seal face is less than the distance of pole core cylindrical to spindle central to the distance of spindle central, and described magnetic pole briquetting is pressed on the seal face of two adjacent pole cores.
5. permanent magnet machine rotor as claimed in claim 1, is characterized in that: the material that described fastening bolt and magnetic pole briquetting adopt is non-magnet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483306.2U CN204012985U (en) | 2014-08-26 | 2014-08-26 | A kind of permanent magnet machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420483306.2U CN204012985U (en) | 2014-08-26 | 2014-08-26 | A kind of permanent magnet machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012985U true CN204012985U (en) | 2014-12-10 |
Family
ID=52052926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420483306.2U Active CN204012985U (en) | 2014-08-26 | 2014-08-26 | A kind of permanent magnet machine rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391208A (en) * | 2015-12-14 | 2016-03-09 | 湘潭电机股份有限公司 | Rotor of permanent magnet motor and permanent magnet motor |
| CN108964309A (en) * | 2018-07-11 | 2018-12-07 | 精基科技有限公司 | High pressure increased safety frequency conversion permanent magnet synchronous motor |
-
2014
- 2014-08-26 CN CN201420483306.2U patent/CN204012985U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391208A (en) * | 2015-12-14 | 2016-03-09 | 湘潭电机股份有限公司 | Rotor of permanent magnet motor and permanent magnet motor |
| CN108964309A (en) * | 2018-07-11 | 2018-12-07 | 精基科技有限公司 | High pressure increased safety frequency conversion permanent magnet synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |