CN203261214U - Rotor core of large power high speed permanent magnetism motor - Google Patents
Rotor core of large power high speed permanent magnetism motor Download PDFInfo
- Publication number
- CN203261214U CN203261214U CN 201320250592 CN201320250592U CN203261214U CN 203261214 U CN203261214 U CN 203261214U CN 201320250592 CN201320250592 CN 201320250592 CN 201320250592 U CN201320250592 U CN 201320250592U CN 203261214 U CN203261214 U CN 203261214U
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- perforation
- power high
- rotor core
- iron core
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a rotor core of a large power high speed permanent magnetism motor, and refers to a salient pole iron core provided with magnetic steels; the salient pole iron core is formed by stacking a plurality of iron core punching sheets; an outer rim of each iron core punching sheet is provided with a plurality of protrusion portions uniformly arranged; each protrusion portion of the iron core punching sheet is provided with a plurality of through holes side by side; the through holes in same positions form an axial direction penetrating magnetic steel mounting hole after the iron core punching sheets are stacked; and the magnetic steels are arranged in the magnetic steel mounting holes. The iron core is provided with holes for mounting the magnetic steels, so the magnetic steels cannot be thrown out by the high centrifugal force caused by the motor rotor, and safety accidents and motor damages are prevented; and the rotor core is easy to assemble and low in cost.
Description
Technical field
The utility model belongs to magneto, is specifically related to a kind of rotor core of Large-power High-Speed magneto.
Background technology
Traditional salient pole synchronous electric machine is the low speed small power motor, the magnet steel that its pole pair is answered directly is adsorbed on the yoke, and the fixed form of above-mentioned magnet steel can't be applied on the Large-power High-Speed salient pole synchronous electric machine, rotating shaft is under High Rotation Speed, can produce larger centrifugal force, magnet steel is thrown away, cause security incident, and can cause damage to motor.
The utility model content
Technical problem to be solved in the utility model provides a kind of rotor core of Large-power High-Speed magneto.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of rotor core of Large-power High-Speed magneto, it is the salient pole iron core that is provided with magnet steel, described salient pole iron core forms by a plurality of core stampings are stacked, it is characterized in that: the outer rim of each core stamping has equally distributed a plurality of protuberance, a plurality of perforation all have been arranged side by side on each protuberance of described core stamping, the perforation of same position is a magnet steel installing hole that axially runs through after core stamping is stacked, described magnet steel is located in the magnet steel installing hole.
Magnet steel in the described magnet steel installing hole is a plurality of for what axially be arranged side by side.
Described each core stamping outer rim has 6 protuberances, has 4 perforation on each protuberance.
The rectangular shape of centre two perforation on described each protuberance, and the both sides edge of this perforation all be one step-like.
Spacing is 6mm between the magnet steel that arranges in two perforation of described centre.
The rectangular shape of sidepiece two perforation on described each protuberance, and the inboard edge of this perforation be one step-like, outside edge be two continuous step-like.
The magnet steel that arranges in described sidepiece two perforation and the spacing of protuberance respective side edge are 10mm.
Glue layer also is set in the gap of described magnet steel and magnet steel installing hole.
Adopt technique scheme, so that the rotor core of Large-power High-Speed magneto of the present utility model has following advantage:
1, by perforate mounting magnetic steel on iron core, can avoid magnet steel to be thrown out of because of the high centrifugal force that rotor produces, and then cause security incident and damage motor, and easy to assembly, cost is low.
2, be stepped design by the perforation corner, can be so that have certain spacing between magnet steel and perforation sidepiece, magnet steel and magnet steel, magnet steel and the protuberance side, not only can play and reduce the tensile stress of motor rotor punching sheet under High Rotation Speed, install but also be convenient to magnet steel.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is elaborated:
Fig. 1 is the structural representation of rotor core of the present utility model.
Fig. 2 is the structural representation of core stamping of the present utility model.
Fig. 3 is the structural representation of of the present utility model one middle perforation.
Fig. 4 is the structural representation of sidepiece perforation of the present utility model.
Embodiment
As depicted in figs. 1 and 2, the rotor core of Large-power High-Speed magneto of the present utility model is installed on the armature spindle 1.Rotor core is salient pole iron core 3, is provided with magnet steel 4 at salient pole iron core 3.Wherein, salient pole iron core 3 is by a plurality of core stamping 5 stacked forming, and the outer rim of each core stamping 5 has equally distributed a plurality of protuberance 6.All be arranged side by side a plurality of perforation 7 on each protuberance 6 of core stamping 5, the perforation 7 of same position is a magnet steel installing hole 8 that axially runs through after core stamping 5 is stacked, and magnet steel 4 just is located in the magnet steel installing hole 8.Magnet steel 4 in each magnet steel installing hole 8 shown in Fig. 1 is a plurality of for what axially be arranged side by side, and the installation length of whole magnet steel 4 and magnet steel installing hole 8 axial lengths are isometric.Each core stamping 5 outer rim shown in Fig. 2 have 6 protuberances 6, have 4 perforation 7 on each protuberance 6.Please in conjunction with shown in Figure 3, the rectangular shape of centre two perforation 7a on described each protuberance 6, and the both sides edge of this perforation 7 all is a step-like a, the width that magnet steel 4 in the inner so is installed need be slightly less than perforation 7a width, be that magnet steel 4 both sides exist certain spacing with perforation 7a both sides, can not rub mutually with perforation 7a both sides when so installing, make things convenient for the installation of magnet steel 4.In addition, spacing L1 between the magnet steel 4 that arranges among the middle two perforation 7a is controlled at about 6mm, can plays the effect that reduces the tensile stress that motor rotor punching sheet causes because of centrifugal force when High Rotation Speed.Please in conjunction with shown in Figure 4, the rectangular shape of sidepiece two perforation 7b on described each protuberance 6, and the inboard edge of this perforation 7b is a step-like a equally, and outside edge is two continuous step-like b.The magnet steel 4 that arranges among the described sidepiece two perforation 7b is controlled at 10mm with the spacing L2 of protuberance 6 respective side edge.So, not only can make things convenient for the installation of magnet steel 4, but also can play the effect that reduces the tensile stress that motor rotor punching sheet causes because of centrifugal force when High Rotation Speed.In addition, described magnet steel 4 is namely bored a hole with magnet steel installing hole 8() around the glue layer 9 that is made of the magnet steel glue special also is set in the gap, in the High Rotation Speed process of rotor, play the effect of buffering and damping, this glue layer 9 is smeared in magnet steel 4 installation processes, also have lubricated effect, be convenient to assembling.
In sum, adopt the rotor core of Large-power High-Speed magneto of the present utility model to have following advantage:
1, by perforate mounting magnetic steel 4 on iron core, can avoid magnet steel 4 to be thrown out of because of the high centrifugal force that rotor produces, and then cause security incident and damage motor, and easy to assembly, cost is low.
2, be stepped design by 7 corners of boring a hole, can be so that have certain spacing between magnet steel 4 and perforation 7 sidepieces, magnet steel 4 and magnet steel 4, magnet steel 4 and protuberance 6 sides, not only can play the effect that reduces the tensile stress that motor rotor punching sheet causes because of centrifugal force when High Rotation Speed, install but also be convenient to magnet steel 4.
But; those skilled in the art will recognize that; above-mentioned embodiment is exemplary; in order better to make those skilled in the art can understand this patent; can not be interpreted as it is restriction to this patent protection range; so long as according to spirit that this patent discloses do anyly be equal to change or modify, all fall into the scope of this patent protection.
Claims (8)
1. the rotor core of a Large-power High-Speed magneto, it is the salient pole iron core that is provided with magnet steel, described salient pole iron core forms by a plurality of core stampings are stacked, it is characterized in that: the outer rim of each core stamping has equally distributed a plurality of protuberance, a plurality of perforation all have been arranged side by side on each protuberance of described core stamping, the perforation of same position is a magnet steel installing hole that axially runs through after core stamping is stacked, described magnet steel is located in the magnet steel installing hole.
2. the rotor core of Large-power High-Speed magneto according to claim 1 is characterized in that:
Magnet steel in the described magnet steel installing hole is a plurality of for what axially be arranged side by side.
3. the rotor core of Large-power High-Speed magneto according to claim 1 is characterized in that:
Described each core stamping outer rim has 6 protuberances, has 4 perforation on each protuberance.
4. the rotor core of Large-power High-Speed magneto according to claim 3 is characterized in that:
The rectangular shape of centre two perforation on described each protuberance, and the both sides edge of this perforation all be one step-like.
5. the rotor core of Large-power High-Speed magneto according to claim 4 is characterized in that:
Spacing is 6mm between the magnet steel that arranges in two perforation of described centre.
6. the rotor core of Large-power High-Speed magneto according to claim 3 is characterized in that:
The rectangular shape of sidepiece two perforation on described each protuberance, and the inboard edge of this perforation be one step-like, outside edge be two continuous step-like.
7. the rotor core of Large-power High-Speed magneto according to claim 6 is characterized in that:
The magnet steel that arranges in described sidepiece two perforation and the spacing of protuberance respective side edge are 10mm.
8. the rotor core of Large-power High-Speed magneto according to claim 1 is characterized in that:
Glue layer also is set in the gap of described magnet steel and magnet steel installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250592 CN203261214U (en) | 2013-05-09 | 2013-05-09 | Rotor core of large power high speed permanent magnetism motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320250592 CN203261214U (en) | 2013-05-09 | 2013-05-09 | Rotor core of large power high speed permanent magnetism motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261214U true CN203261214U (en) | 2013-10-30 |
Family
ID=49473752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320250592 Expired - Lifetime CN203261214U (en) | 2013-05-09 | 2013-05-09 | Rotor core of large power high speed permanent magnetism motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203261214U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683729A (en) * | 2013-12-05 | 2014-03-26 | 张学义 | Method for producing rotor of invisible magnetic pole permanent magnet generator |
| CN104143869A (en) * | 2013-05-09 | 2014-11-12 | 上海电气集团上海电机厂有限公司 | High-power high-speed permanent magnet motor rotor |
| CN107508395A (en) * | 2016-06-14 | 2017-12-22 | 中电电机股份有限公司 | Permanent magnet machine rotor |
| CN109149880A (en) * | 2017-06-27 | 2019-01-04 | 中电电机股份有限公司 | A kind of built-in permanent magnetic rotor pressing ring |
| CN109149880B (en) * | 2017-06-27 | 2024-05-31 | 中电电机股份有限公司 | Embedded permanent magnet motor rotor clamping ring |
-
2013
- 2013-05-09 CN CN 201320250592 patent/CN203261214U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143869A (en) * | 2013-05-09 | 2014-11-12 | 上海电气集团上海电机厂有限公司 | High-power high-speed permanent magnet motor rotor |
| CN104143869B (en) * | 2013-05-09 | 2016-12-28 | 上海电气集团上海电机厂有限公司 | A kind of Large-power High-Speed permanent magnet machine rotor |
| CN103683729A (en) * | 2013-12-05 | 2014-03-26 | 张学义 | Method for producing rotor of invisible magnetic pole permanent magnet generator |
| CN107508395A (en) * | 2016-06-14 | 2017-12-22 | 中电电机股份有限公司 | Permanent magnet machine rotor |
| CN109149880A (en) * | 2017-06-27 | 2019-01-04 | 中电电机股份有限公司 | A kind of built-in permanent magnetic rotor pressing ring |
| CN109149880B (en) * | 2017-06-27 | 2024-05-31 | 中电电机股份有限公司 | Embedded permanent magnet motor rotor clamping ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204967578U (en) | Reduce PMSM torque ripple's rotor structure | |
| CN204168098U (en) | Permanent-magnetic synchronous motor rotor | |
| CN201813289U (en) | Permanent magnet synchronous motor for vehicle | |
| CN203261214U (en) | Rotor core of large power high speed permanent magnetism motor | |
| CN204858787U (en) | Rotor punching and permanent -magnet machine who uses thereof | |
| CN102916512B (en) | Oblique pole rotor structure of permanent magnet synchronous motor | |
| CN203261152U (en) | Rotor core punching sheet of large power high speed permanent magnetism motor | |
| CN203632391U (en) | Rotor silicon steel sheet structure | |
| CN104767305A (en) | Novel rotor of permanent magnet motor | |
| CN101626173A (en) | Method for protecting permanent magnet of permanent magnet motor and fixing device thereof | |
| CN103390943A (en) | Structure of internal rotor of ferrite steel magnet type motor and assembling method thereof | |
| CN202034839U (en) | Magnetic field rotor punch with high air gap magnetic flux density | |
| CN203416064U (en) | Rotor structure of permanent-magnetic motor | |
| CN201813232U (en) | Permanent magnet motor rotor | |
| CN203086308U (en) | Asynchronous starting permanent magnet synchronous motor rotor and permanent magnet motor thereof | |
| CN202475066U (en) | Rotor tangential structure for permanent magnet synchronous motor | |
| CN205725213U (en) | The low fluctuation slotted eye convolution p-m rotor of motor in electric automobile | |
| CN104143869B (en) | A kind of Large-power High-Speed permanent magnet machine rotor | |
| CN202931056U (en) | Permanent magnet rotor and motor | |
| CN102624119A (en) | Rotor structure for automobile electric power steering (EPS) motor | |
| CN201789350U (en) | Surface-mounted permanent-magnetic rotor structure | |
| CN202840734U (en) | Motor rotor structure | |
| CN203537095U (en) | Dismountable pole-hanging low-speed large-torque permanent-magnetic rotor structure | |
| CN202798211U (en) | Armature core structure of direct current motor | |
| CN203707910U (en) | Rotor reducing tooth space torque |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131030 |
|
| CX01 | Expiry of patent term |