CN202550727U - Rotor structure of variable frequency speed control permanent magnet synchronous motor - Google Patents
Rotor structure of variable frequency speed control permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN202550727U CN202550727U CN2012200797104U CN201220079710U CN202550727U CN 202550727 U CN202550727 U CN 202550727U CN 2012200797104 U CN2012200797104 U CN 2012200797104U CN 201220079710 U CN201220079710 U CN 201220079710U CN 202550727 U CN202550727 U CN 202550727U
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- China
- Prior art keywords
- permanent magnet
- rotor core
- rotor
- variable frequency
- ring
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- Expired - Fee Related
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- Manufacture Of Motors, Generators (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a rotor structure of a variable frequency speed control permanent magnet synchronous motor. The rotor structure comprises a revolving shaft, a rotor core and a permanent magnet, wherein the rotor core is arranged on the revolving shaft; and the permanent magnet is placed into the rotor core. The rotor structure is characterized in that two ends of the rotor core are respectively provided with end cover structures for shielding parts of the permanent magnet; each end cover structure comprises a peripheral circular check ring and a press plate of an inner ring; U-shaped grooves are arranged on the press plate, so that the imbedded permanent magnet can be arranged and dismantled as long as the check rings are taken out while the press plates for tightly pressing the rotor core do not need to be taken out; and the rotor core is clamped by a firmly welded circular key, so that the rotor structure is firmly and stably fixed; and the check rings are drilled with weight removing holes, and therefore rotor dynamic balancing can be carried out.
Description
[technical field]
The utility model relates to the variable frequency speed-adjusting permanent magnet synchronous machine, relates in particular to the rotor structure design of variable frequency speed-adjusting permanent magnet synchronous machine.
[background technology]
Variable frequency speed-adjusting permanent magnet synchronous electric motor rotor structure has screw rod tension formula and trim ring compression type at present.Screw rod tension formula only is applicable to the low-speed running operating mode, though and the trim ring compression type is applicable at a high speed at present, operation is numerous and diverse, need laminate rotor core earlier, unclamps then to press circle, reinstalls permanent magnet, compresses rotor core with pressing to enclose again at last.Before the permanent magnet of packing into, need unclamp earlier and press circle; In a single day press circle and unclamped, rotor punching from loose condition (of surface), does not utilize packing into of permanent magnet yet; And come again at last with pressing circle when compressing rotor core, exist hydraulic press to weigh the risk of permanent magnet in the rotor wounded.The secondary press-fitting iron core needs handling back and forth in addition, and in this process, the rotor that contains permanent magnet is prone to absorption ironware or other foreign matter, is difficult to remove.
[summary of the invention]
It is more convenient that the utility model has proposed a kind of dismounting to above problem, when the dress permanent magnet, need not become flexible the motor rotor construction of iron core.
The technical scheme of the utility model is: a kind of variable frequency speed-adjusting permanent magnet synchronous electric motor rotor structure; Comprise rotating shaft; Be contained in the rotor core in the rotating shaft and be encased in the permanent magnet in the rotor core, it is characterized in that the end cover structure that shelters from the part permanent magnet is arranged at the rotor core two ends; Said end cover structure comprises the peripheral circular back-up ring and the pressing plate of inner ring, and U type groove is arranged on pressing plate.
In rotating shaft, place, said rotor core location is blocked with annulus key location.
On said back-up ring, be useful on dynamically balanced boring.
U type groove on said pressing plate adapts to the permanent magnet size, when the periphery does not have back-up ring to push down, can hold permanent magnet and from U type groove, pass through.
Said back-up ring and pressing plate are on the same circle plane, and the end cover structure integral body of formation is pressed on the rotor core.
The benefit of the utility model is: as long as take off back-up ring; Need not take off the permanent magnet that the pressing plate that compresses rotor core just can installing/dismounting embeds, and also have an annulus key that welds to block iron core, fixing more firm, stable; On back-up ring, be drilled with repeated hole, can carry out rotor dynamic balancing.
[description of drawings]
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of the utility model back-up ring and pressing plate;
Fig. 3 is rotor core and magnet structure sketch map.
Wherein: 1, rotating shaft; 2, annulus key; 3, rotor core; 4, back-up ring; 5, pressing plate; 6, boring; 7, permanent magnet; 8, U type groove.
[embodiment]
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.
Embodiment 1: a kind of variable frequency speed-adjusting permanent magnet synchronous electric motor rotor structure; Comprise rotating shaft 1; Be contained in the rotor core 3 in the rotating shaft 1 and be encased in the permanent magnet 7 in the rotor core 3, it is characterized in that the end cover structure that shelters from the part permanent magnet being arranged at rotor core 3 two ends; Said end cover structure comprises the pressing plate 5 of peripheral circular back-up ring 4 and inner ring, and U type groove 8 is arranged on pressing plate 5.
In rotating shaft 1, place, said rotor core 3 location is blocked with annulus key 2 location.
On said back-up ring 4, be useful on dynamically balanced boring 6.
U type groove 8 on said pressing plate 5 adapts to permanent magnet 7 sizes, when the periphery does not have back-up ring 4 to push down, can hold permanent magnet 7 and from U type groove 8, pass through.
Said back-up ring 4 is on the same circle plane with pressing plate 5, and the end cover structure integral body of formation is pressed on the rotor core 3.
In assembling with the rotating shaft of packing into of first block pressur plate, next with the rotor punching rotating shaft of packing into, again with the rotating shaft of packing into of the 2nd block pressur plate; Block with the annulus key after with forcing press iron core being pressed onto assigned address then, prevent that iron core from flicking, with electric welding machine the annulus key is welded in rotating shaft more afterwards; At last just through the U type groove permanent magnet of packing into; And then with on the back-up ring on pressing plate, back-up ring welds on pressing plate, on back-up ring, bores and goes repeated hole to carry out rotor dynamic balancing.
The benefit of the utility model is: as long as take off back-up ring; Need not take off the permanent magnet that the pressing plate that compresses rotor core just can installing/dismounting embeds, and also have an annulus key that welds to block iron core, fixing more firm, stable; On back-up ring, be drilled with repeated hole, can carry out rotor dynamic balancing.
Claims (5)
1. variable frequency speed-adjusting permanent magnet synchronous electric motor rotor structure; Comprise rotating shaft; Be contained in the rotor core in the rotating shaft and be encased in the permanent magnet in the rotor core, it is characterized in that the end cover structure that shelters from the part permanent magnet is arranged at the rotor core two ends; Said end cover structure comprises the peripheral circular back-up ring and the pressing plate of inner ring, and U type groove is arranged on pressing plate.
2. according to the said variable frequency speed-adjusting permanent magnet synchronous electric motor rotor of claim 1 structure, it is characterized in that in rotating shaft, place, said rotor core location is blocked with annulus key location.
3. according to the said variable frequency speed-adjusting permanent magnet synchronous electric motor rotor of claim 1 structure, it is characterized in that the U type groove on said pressing plate adapts to the permanent magnet size, when the periphery does not have back-up ring to push down, can hold permanent magnet and from U type groove, pass through.
4. according to the said variable frequency speed-adjusting permanent magnet synchronous electric motor rotor of claim 3 structure, it is characterized in that said back-up ring and pressing plate are on the same circle plane, the end cover structure integral body of formation is pressed on the rotor core.
5. according to claim 3 or 4 said variable frequency speed-adjusting permanent magnet synchronous electric motor rotor structures, it is characterized in that, on said back-up ring, be useful on dynamically balanced boring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200797104U CN202550727U (en) | 2012-07-20 | 2012-07-20 | Rotor structure of variable frequency speed control permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200797104U CN202550727U (en) | 2012-07-20 | 2012-07-20 | Rotor structure of variable frequency speed control permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550727U true CN202550727U (en) | 2012-11-21 |
Family
ID=47171294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200797104U Expired - Fee Related CN202550727U (en) | 2012-07-20 | 2012-07-20 | Rotor structure of variable frequency speed control permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550727U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545960A (en) * | 2013-11-04 | 2014-01-29 | 合肥荣事达三洋电器股份有限公司 | Permanent magnet motor rotor and manufacturing method thereof |
| WO2016132061A1 (en) * | 2015-02-19 | 2016-08-25 | Valeo Equipements Electriques Moteur | Electrical rotating machine with optimised cooling |
| CN106208451A (en) * | 2016-08-31 | 2016-12-07 | 安徽安凯汽车股份有限公司 | A kind of magneto composite fabricated rotor end plate |
| CN107623398A (en) * | 2016-07-15 | 2018-01-23 | 天津瑞林迪金属制品有限公司 | Rotor cover plate |
| CN109038898A (en) * | 2018-10-11 | 2018-12-18 | 安徽同华新能源动力股份有限公司 | Rotor |
| DE112013006948B4 (en) | 2013-04-15 | 2021-09-30 | Mitsubishi Electric Corporation | Rotor of a lathe |
-
2012
- 2012-07-20 CN CN2012200797104U patent/CN202550727U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112013006948B4 (en) | 2013-04-15 | 2021-09-30 | Mitsubishi Electric Corporation | Rotor of a lathe |
| CN103545960A (en) * | 2013-11-04 | 2014-01-29 | 合肥荣事达三洋电器股份有限公司 | Permanent magnet motor rotor and manufacturing method thereof |
| CN103545960B (en) * | 2013-11-04 | 2015-12-23 | 惠而浦（中国）股份有限公司 | A kind of permanent magnet machine rotor and manufacture method thereof |
| WO2016132061A1 (en) * | 2015-02-19 | 2016-08-25 | Valeo Equipements Electriques Moteur | Electrical rotating machine with optimised cooling |
| FR3033098A1 (en) * | 2015-02-19 | 2016-08-26 | Valeo Equip Electr Moteur | ROTATING ELECTRIC MACHINE WITH OPTIMIZED COOLING |
| CN107623398A (en) * | 2016-07-15 | 2018-01-23 | 天津瑞林迪金属制品有限公司 | Rotor cover plate |
| CN106208451A (en) * | 2016-08-31 | 2016-12-07 | 安徽安凯汽车股份有限公司 | A kind of magneto composite fabricated rotor end plate |
| CN109038898A (en) * | 2018-10-11 | 2018-12-18 | 安徽同华新能源动力股份有限公司 | Rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20140720 |
|
| EXPY | Termination of patent right or utility model |