CN204012984U - A kind of tangential magnetic field permanent magnet machine rotor - Google Patents
A kind of tangential magnetic field permanent magnet machine rotor Download PDFInfo
- Publication number
- CN204012984U CN204012984U CN201420480385.1U CN201420480385U CN204012984U CN 204012984 U CN204012984 U CN 204012984U CN 201420480385 U CN201420480385 U CN 201420480385U CN 204012984 U CN204012984 U CN 204012984U
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- permanent magnet
- rotor
- field spider
- rotor field
- pole
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of tangential magnetic field permanent magnet machine rotor, comprise rotating shaft, rotor field spider and multiple pole core, described rotor field spider is arranged in rotating shaft, coaxial with rotating shaft; Described multiple pole cores are fixed on rotor field spider, and adjacent pole core and rotor field spider form permanent magnet mounting groove, are provided with permanent magnet and slot wedge in permanent magnet mounting groove, and slot wedge is positioned at the outside of permanent magnet, the notch place of permanent magnet mounting groove; The two ends of permanent magnet mounting groove are provided with baffle plate, and baffle plate is arranged on rotor field spider.Multiple pole core of the present utility model is fixedly mounted on rotor field spider, and the permanent magnet between adjacent pole core is fixed by slot wedge and baffle plate, and technique and relatively simple for structure is easy for installation; And the rotor leakage of this structure is very little, save permanent magnet consumption, improve permanent magnet utilance; Pole core of the present utility model and rotor field spider fixed form are solid and reliable, and the utility model can be for the operating mode of higher rotation speed.
Description
Technical field
The utility model belongs to magneto field, particularly relates to a kind of tangential magnetic field permanent magnet machine rotor.
Background technology
Permagnetic synchronous motor is low with its loss, and efficiency advantages of higher has replaced traditional asynchronous machine and electric excitation synchronous motor in a lot of engineering fields.
The rotor of interior permanent magnet machines is divided into radial magnetic field and tangential magnetic field structure.Wherein the advantage of tangential magnetic field structure is that a magnetic flux under having provides by facing mutually two magnetic pole parallels, can obtain larger every utmost point magnetic flux.Especially when the more situation of motor pole number, tangential magnetic field structure is more outstanding with respect to radial magnetic field structural advantage.
But, the rotor of existing tangential magnetic field structure, a lot of employing at rotor outer circle adds that stainless steel sleeve resists the centrifugal force of permanent magnet, and this strengthens the air gap of motor, and air-gap induction reduces, and has wasted permanent magnet material.Also have the permanent magnet of part-structure to fix with slot wedge, but while being applied to high-speed electric expreess locomotive, structural strength can not meet the demands.This has limited the development of tangential magnetic field magneto greatly.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of air gap little and can save the tangential magnetic field permanent magnet machine rotor of permanent magnet consumption, 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, coaxial with rotating shaft; Described multiple pole cores are fixedly mounted on rotor field spider, and adjacent pole core and rotor field spider form permanent magnet mounting groove, are provided with permanent magnet and slot wedge in permanent magnet mounting groove, and slot wedge is positioned at the outside of permanent magnet, the notch place of permanent magnet mounting groove; The two ends of permanent magnet mounting groove are provided with baffle plate, and baffle plate is arranged on rotor field spider.
In above-mentioned tangential magnetic field permanent magnet machine rotor, described pole core comprises pole lamination, screw rod and two pressing plates, the corresponding screw hole that is provided with on pressing plate and pole lamination, screw rod is placed in the screw hole on pressing plate and pole lamination, and two pressing plates are fixed on the two ends of pole lamination by the nut at screw rod and screw rod two ends.
In above-mentioned tangential magnetic field permanent magnet machine rotor, the screw rod of pole core is provided with screwed hole, corresponding to the screwed hole on screw rod, on the pole lamination of pole core and rotor field spider, is respectively equipped with bolt hole; Fastening bolt, through the bolt hole on pole lamination and rotor field spider, is spirally connected with the screwed hole on screw rod.
In above-mentioned tangential magnetic field permanent magnet machine rotor, rotor field spider and rotating shaft interference fit, the material of rotating shaft is non-magnet material.
Compared with prior art, the beneficial effects of the utility model are:
Multiple pole core of the present utility model is fixedly mounted on rotor field spider, and the permanent magnet between adjacent pole core is fixed by slot wedge and baffle plate, and technique and relatively simple for structure is easy for installation; And the rotor leakage of this structure is very little, save permanent magnet consumption, improve permanent magnet utilance; Pole core of the present utility model is fixedly mounted on rotor field spider by fastening bolt, and pole core and rotor field spider fixed form are solid and reliable, makes the utility model can be for the operating mode of higher rotation speed.
Brief description of the drawings
Fig. 1 is the new front view of this practicality.
Fig. 2 is A-A profile in Fig. 1.
Fig. 3 is stereogram of the present utility model.
Fig. 4 is the decomposing schematic representation of pole core of the present utility model and fastening bolt.
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 slot wedge 2, multiple permanent magnet 3, rotor field spider 5, rotating shaft 6 and fastening bolt 7.Described rotor field spider 5 is arranged in rotating shaft 6, coaxial with rotating shaft 6.Rotor field spider 5 is fixedly mounted in rotating shaft 6 by interference fit with rotating shaft 6, and the material of rotating shaft 6 is non-magnet material.Described multiple pole cores 1 are along the circumferential direction evenly arranged on rotor field spider 5, adjacent pole core 1 forms permanent magnet mounting groove with rotor field spider 5, in each permanent magnet mounting groove, be equipped with slot wedge 2 and permanent magnet 3, slot wedge 2 is positioned at the outside of permanent magnet 3, the notch place of permanent magnet mounting groove.The two ends of permanent magnet mounting groove are respectively equipped with a baffle plate 4, and baffle plate 4 is arranged on rotor field spider 5 by screw, and baffle plate 4 is for preventing moving axially of permanent magnet 3.
As shown in Figure 2, Figure 4 shows, each pole core 1 comprises pole lamination 9, two pressing plates 8 and screw rod 10.The corresponding screw hole that is provided with on pressing plate 8 and pole lamination 9, screw rod 10 is placed in the screw hole on pressing plate 8 and pole lamination 9, and two pressing plates 8 are fixed on the two ends of pole lamination 9 by the nut 11 at screw rod 10 and screw rod 10 two ends.Described screw rod 10 is provided with screwed hole, corresponding to the screwed hole on screw rod 10, on the pole lamination 9 of pole core 1 and rotor field spider 5, is respectively equipped with bolt hole; Fastening bolt 7, through the bolt hole on pole lamination 9 and rotor field spider 5, is spirally connected with the screwed hole on screw rod 10, and pole core 1 is fixedly mounted on rotor field spider 5.This syndeton makes pole core of the present utility model 1 and rotor field spider 5 fixed forms solid and reliable, makes the utility model can be for the operating mode of higher rotation speed.
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 tangential magnetic field 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, coaxial with rotating shaft; Described multiple pole cores are fixedly mounted on rotor field spider, and adjacent pole core and rotor field spider form permanent magnet mounting groove, are provided with permanent magnet and slot wedge in permanent magnet mounting groove, and slot wedge is positioned at the outside of permanent magnet, the notch place of permanent magnet mounting groove; The two ends of permanent magnet mounting groove are provided with baffle plate, and baffle plate is arranged on rotor field spider.
2. tangential magnetic field permanent magnet machine rotor as claimed in claim 1, it is characterized in that: described pole core comprises pole lamination, screw rod and two pressing plates, the corresponding screw hole that is provided with on pressing plate and pole lamination, screw rod is placed in the screw hole on pressing plate and pole lamination, and two pressing plates are fixed on the two ends of pole lamination by the nut at screw rod and screw rod two ends.
3. tangential magnetic field permanent magnet machine rotor as claimed in claim 2, is characterized in that: the screw rod of pole core is provided with screwed hole, corresponding to the screwed hole on screw rod, on the pole lamination of pole core and rotor field spider, is respectively equipped with bolt hole; Fastening bolt, through the bolt hole on pole lamination and rotor field spider, is spirally connected with the screwed hole on screw rod.
4. the tangential magnetic field permanent magnet machine rotor as described in claim 1,2 or 3, is characterized in that: rotor field spider and rotating shaft interference fit, the material of rotating shaft is non-magnet material.
5. the tangential magnetic field permanent magnet machine rotor as described in claim 1,2 or 3, is characterized in that: described multiple pole cores are along the circumferential direction evenly arranged on rotor field spider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420480385.1U CN204012984U (en) | 2014-08-25 | 2014-08-25 | A kind of tangential magnetic field permanent magnet machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420480385.1U CN204012984U (en) | 2014-08-25 | 2014-08-25 | A kind of tangential magnetic field permanent magnet machine rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012984U true CN204012984U (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420480385.1U Active CN204012984U (en) | 2014-08-25 | 2014-08-25 | A kind of tangential magnetic field permanent magnet machine rotor |
Country Status (1)
| Country | Link |
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| CN (1) | CN204012984U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516958A (en) * | 2016-06-15 | 2017-12-26 | 德昌电机(深圳)有限公司 | Rotor, the motor and electric tool with the rotor |
| CN109756046A (en) * | 2019-03-29 | 2019-05-14 | 沈阳工业大学 | A kind of permanent magnet built-in rotor structure of magneto |
-
2014
- 2014-08-25 CN CN201420480385.1U patent/CN204012984U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516958A (en) * | 2016-06-15 | 2017-12-26 | 德昌电机(深圳)有限公司 | Rotor, the motor and electric tool with the rotor |
| CN109756046A (en) * | 2019-03-29 | 2019-05-14 | 沈阳工业大学 | A kind of permanent magnet built-in rotor structure of magneto |
| CN109756046B (en) * | 2019-03-29 | 2020-06-09 | 沈阳工业大学 | Permanent magnet built-in rotor structure of permanent magnet motor |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |