CN102545437B - High-intensity motor rotor body - Google Patents
High-intensity motor rotor body Download PDFInfo
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- CN102545437B CN102545437B CN201210032400.1A CN201210032400A CN102545437B CN 102545437 B CN102545437 B CN 102545437B CN 201210032400 A CN201210032400 A CN 201210032400A CN 102545437 B CN102545437 B CN 102545437B
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- Prior art keywords
- dovetail
- motor rotor
- magnet steel
- dovetail groove
- groove
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 210000005056 cell body Anatomy 0.000 claims description 23
- 239000011230 binding agent Substances 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of motors, and particularly relates to a high-intensity motor rotor body. The technical problems of irrational design and the like in the prior art are solved. The high-intensity motor rotor body comprises a body formed by stacking a plurality of rotors, wherein a central hole for fixing a rotor shaft is formed in the center of the body; a plurality of dovetail grooves for arranging magnetic steel bodies are formed on the outer rim of the body and distributed uniformly; a dovetail body is formed between two adjacent dovetail grooves; a groove body for dividing each dovetail body into two symmetric half bodies is formed in each dovetail body; when the groove body is expanded under the action of an outer force, the two half bodies are deformed towards two sides, so that clearances between the magnetic steel bodies in the dovetail grooves and the dovetail body are eliminated, and the half bodies are buckled on the magnetic steel bodies; and a distance between the bottom end of each groove body and the circle center of the central hole is shorter than or equal to a distance between the bottom end of each dovetail groove and the circle center of the central hole. The high-intensity motor rotor body has the advantages of low abnormal sound and noise, high stability, high mechanical strength, long service life and the like.
Description
Technical field
The invention belongs to technical field of motors, especially relate to a kind of high-intensity motor rotor body.
Background technology
Stator and rotor are two large main parts of motor, and the rotor of motor is that some rotor punchings are formed by stacking, at present conventional motor, its stator adopts coil windings as magnetic pole mostly, and rotor arranges magnet steel as magnetic pole in outer rim, magnet steel is directly bonded on rotor conventionally.This motor is after using a period of time, and the magnet steel Yin Gaowen that is bonded in especially rotor edge in rotor high-speed rotary course can make it that obscission often occurs, and affect the normal operation of motor, and useful life is short.
In order to improve this phenomenon, Chinese patent literature discloses a kind of rotor [application number: 201020300712.2; Granted publication number: CN 201758313 U], it is a columniform rotor, in the rotor center of circle, is provided with manhole, showing strip groove near the part Circle-Array of rotor outer, is provided with permanent magnetism sheet in strip groove.This structure, magnet steel is fixing reliable, in rotor operation process, magnet steel difficult drop-off.But still exist following deficiency: 1, the rotor of High Rotation Speed, above-mentioned scheme easily causes abnormal sound, noise.2, poor stability.3, long time running, magnet steel such as is easily thrown out of at the technical problem.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of manufacture simple, rational in infrastructure, abnormal sound and noise are little, good stability, and mechanical strength is high, the high-intensity motor rotor body of long service life.
For achieving the above object, the present invention has adopted following technical proposal: this high-intensity motor rotor body, comprise the body being formed by stacking by some rotor sheets, described body center has the centre bore for fixed rotor axle, outer rim at body is provided with some dovetail grooves for mounting magnetic steel body, described dovetail groove be uniformly distributed and adjacent two dovetail grooves between form dovetail body, it is characterized in that, thereby have on described dovetail body, dovetail body is divided into the cell body of symmetrical halves body and by when expansion, can be made halved body to both sides, occur respectively that deformation makes to be loaded on the magnet steel in dovetail groove and eliminate in the gap between dovetail body and halfbody is buckled on magnet steel under external force when this cell body, the distance in described cell body bottom to the centre bore center of circle is not more than dovetail groove bottom to the distance in the centre bore center of circle.
Because dovetail body is provided with cell body, the distance in cell body bottom to the centre bore center of circle is not more than dovetail groove bottom to the distance in the centre bore center of circle, when cell body is expanded under external force, gap between magnet steel and dovetail body is eliminated, make dovetail body and magnet steel laminating closely, two halfbodies now also branch are closely buckled in the outer foot of magnet steel, magnet steel is fixed in dovetail groove firmly, when motor rotor is during at High Rotation Speed, magnet steel is not prone to loosening, obscission, improve the mechanical strength of motor rotor, extended the useful life of motor.
Above-mentioned high-intensity motor rotor body, described body comprises upper semi-body and lower semi-body, described upper semi-body and lower semi-body are fixed together by alignment pin, and the dovetail groove on upper semi-body and lower semi-body misplaces up and down, are fixed with respectively magnet steel in the dovetail groove of upper semi-body and lower semi-body.
Above-mentioned high-intensity motor rotor body, on described upper semi-body and lower semi-body, be respectively equipped with some being uniformly distributed and location hole that quantity is equal, described alignment pin is arranged in location hole, between the dovetail body center line of described upper semi-body or the location hole center of circle on lower semi-body and centre bore circle center line connecting and adjacent setting, forms the first angle.
The dovetail groove being provided with on the first angle and upper semi-body and lower semi-body between dovetail body center line due to the location hole center of circle on upper semi-body or lower semi-body and centre bore circle center line connecting and adjacent setting misplaces up and down, this structure is not when motor is in the situation that switching on, the moment that motor stator pins motor rotor increases greatly, has improved the stability of motor rotor when work.
Above-mentioned high-intensity motor rotor body, described gap is formed between dovetail groove sidewall and magnet steel side, between described dovetail groove sidewall and magnet steel side, forms the second angle, and the angle of the second described angle is 6 °～12 °.
Owing to forming the second angle between dovetail groove sidewall and magnet steel side, when cell body is expanded under external force, make dovetail body and magnet steel laminating closely, the both sides of the second angle now coincide together, and abnormal sound and the noise of motor are reduced significantly.
Above-mentioned high-intensity motor rotor body, the angle of the first described angle is 2 °～4 °.
Above-mentioned high-intensity motor rotor body, is respectively equipped with some concave convex buttons for rotor sheet is fixed together on described upper semi-body and lower semi-body, described concave convex button is uniformly distributed on same circumferencial direction.Concave convex button can be superimposed by each sheet rotor sheet fast, improved productivity ratio.
Above-mentioned high-intensity motor rotor body, is provided with binding agent between described magnet steel and dovetail groove.
Above-mentioned high-intensity motor rotor body, described dovetail groove bottom is provided with groove, in described groove, is provided with binding agent.Groove can hold more adhesive, by the adhesive effect of binding agent, makes more firm being bonded in dovetail groove of magnet steel.
Above-mentioned high-intensity motor rotor body, medial surface and the lateral surface of described magnet steel are arc surface, and the center of circle of two arc surfaces does not overlap.
Compared with prior art, the advantage of this high-intensity motor rotor body is: 1, because dovetail body is provided with cell body, the distance in cell body bottom to the centre bore center of circle is not more than dovetail groove bottom to the distance in the centre bore center of circle, when cell body is expanded under external force, gap between magnet steel and dovetail body is eliminated, make dovetail body and magnet steel laminating closely, two halfbodies now also branch are closely buckled in the outer foot of magnet steel, magnet steel is fixed in dovetail groove firmly, when motor rotor is during at High Rotation Speed, magnet steel is not prone to loosening, obscission, improved the mechanical strength of motor rotor, extended the useful life of motor.2, the dovetail groove being provided with on the first angle and upper semi-body and lower semi-body between the dovetail body center line due to the location hole center of circle on upper semi-body or lower semi-body and centre bore circle center line connecting and adjacent setting misplaces up and down, this structure is not when motor is in the situation that switching on, the moment that motor stator pins motor rotor increases greatly, has improved the stability of motor rotor when work.3, owing to forming the second angle between dovetail groove sidewall and magnet steel side, when cell body is expanded under external force, make dovetail body and magnet steel laminating closely, the both sides of the second angle now coincide together, and abnormal sound and the noise of motor are reduced significantly.4, concave convex button can be superimposed by each sheet rotor sheet fast, improved productivity ratio.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram provided by the invention.
Fig. 2 is left TV structure schematic diagram provided by the invention.
In figure, body 1, rotor sheet 2, centre bore 3, magnet steel 4, dovetail groove 5, dovetail body 6, halfbody 6a, cell body 7, gap 6b, upper semi-body 11, lower semi-body 12, alignment pin 8, location hole 13, the first angle 9, the second angle 10, concave convex button 14, groove 5a.
Embodiment
As shown in Figure 1, this high-intensity motor rotor body, comprise the body 1 being formed by stacking by some rotor sheets 2, at body 1 center, there is the centre bore 3 for fixed rotor axle, outer rim at body 1 is provided with some dovetail grooves 5 for mounting magnetic steel body 4, described dovetail groove 5 be uniformly distributed and adjacent two dovetail grooves 5 between form dovetail body 6, thereby have on dovetail body 6, dovetail body 6 is divided into the cell body 7 of symmetrical halves body 6a and by when expansion, can be made halved body 6a to both sides, occur respectively that deformation makes to be loaded on the magnet steel 4 in dovetail groove 5 and the gap 6b between dovetail body 6 eliminates and halfbody 6a is buckled on magnet steel 4 under external force when this cell body 7, described cell body 7 bottoms are not more than the distance in dovetail groove 5 bottoms to centre bore 3 centers of circle to the distance in centre bore 3 centers of circle.
In the present embodiment, because dovetail body 6 is provided with cell body 7, cell body 7 bottoms are not more than the distance in dovetail groove 5 bottoms to centre bore 3 centers of circle to the distance in centre bore 3 centers of circle, when cell body 7 is expanded under external force, gap 6b between magnet steel 4 and dovetail body 6 is eliminated, make dovetail body 6 and magnet steel 4 laminatings closely, two halfbody 6aYe branches are now closely buckled in the outer foot of magnet steel 4, magnet steel 4 is fixed in dovetail groove 5 firmly, when motor rotor is during at High Rotation Speed, magnet steel 4 is not prone to loosening, obscission.
Concrete, as shown in Figure 1, 2, body 1 comprises upper semi-body 11 and lower semi-body 12, described upper semi-body 11 and lower semi-body 12 are fixed together by alignment pin 8, and the dovetail groove 5 on upper semi-body 11 and lower semi-body 12 misplaces up and down, at the interior magnet steel 4 that is fixed with respectively of dovetail groove 5 of upper semi-body 11 and lower semi-body 12.On upper semi-body 11 and lower semi-body 12, be respectively equipped with some being uniformly distributed and location hole 13 that quantity is equal, this alignment pin 8 is arranged in location hole 13, between described upper semi-body 11 or location hole 13 centers of circle on lower semi-body 12 and dovetail body 6 center lines of centre bore 3 circle center line connectings and adjacent setting, form the first angle 9, the angle of this first angle 9 is 3 °.In the present embodiment, because the dovetail groove 5 being provided with on 3 ° of angles and upper semi-body 11 and lower semi-body 12 between location hole 13 centers of circle on upper semi-body 11 or lower semi-body 12 and dovetail body 6 center lines of centre bore 3 circle center line connectings and adjacent setting misplaces up and down, this structure is not when motor is in the situation that switching on, the moment that motor stator pins motor rotor increases greatly, has improved the stability of motor rotor when work.
More specifically, as shown in Figure 1, gap 6b is formed between dovetail groove 5 sidewalls and magnet steel 4 sides, and between dovetail groove 5 sidewalls and magnet steel 4 sides, angulation is the angle of 9 °.When cell body 7 is expanded under external force, make dovetail body 6 and magnet steel 4 laminatings closely, 9 ° of angles are now eliminated and the both sides of angle coincide together, and abnormal sound and the noise of motor are reduced significantly.
As shown in Figure 1, 2, be respectively equipped with some concave convex buttons 14 for rotor sheet 2 is fixed together on upper semi-body 11 and lower semi-body 12, described concave convex button 14 is uniformly distributed on same circumferencial direction.Between magnet steel 4 and dovetail groove 5, be provided with binding agent.Dovetail groove 5 bottoms are provided with groove 5a, in groove 5a, are provided with binding agent.Medial surface and the lateral surface of magnet steel 4 are arc surface, and the center of circle of two arc surfaces does not overlap.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.Although more used the terms such as body 1, rotor sheet 2, centre bore 3, magnet steel 4, dovetail groove 5, dovetail body 6, halfbody 6a, cell body 7, gap 6b, upper semi-body 11, lower semi-body 12, alignment pin 8, location hole 13, the first angle 9, the second angle 10, concave convex button 14, groove 5a herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (8)
1. a high-intensity motor rotor body, comprise the body (1) being formed by stacking by some rotor sheets (2), described body (1) center has the centre bore (3) for fixed rotor axle, outer rim at body (1) is provided with some dovetail grooves for mounting magnetic steel body (4) (5), described dovetail groove (5) be uniformly distributed and adjacent two dovetail grooves (5) between form dovetail body (6), it is characterized in that, on described dovetail body (6), have dovetail body (6) is divided into the cell body (7) of symmetrical halves body (6a) and when this cell body (7), by when expansion, can be made halved body (6a) under external force to both sides, occur respectively that thus deformation makes to be loaded on the magnet steel (4) in dovetail groove (5) and eliminate in the gap (6b) between dovetail body (6) and halfbody (6a) is buckled on magnet steel (4), described cell body (7) bottom is not more than the distance in dovetail groove (5) bottom to centre bore (3) center of circle to the distance in centre bore (3) center of circle, described gap (6b) is formed between dovetail groove (5) sidewall and magnet steel (4) side, between described dovetail groove (5) sidewall and magnet steel (4) side, forms the second angle (10), and the angle of described the second angle (10) is 6 °～12 °.
2. high-intensity motor rotor body according to claim 1, it is characterized in that, described body (1) comprises upper semi-body (11) and lower semi-body (12), described upper semi-body (11) and lower semi-body (12) are fixed together by alignment pin (8), and the dovetail groove (5) on upper semi-body (11) and lower semi-body (12) misplaces up and down, in the dovetail groove (5) of upper semi-body (11) and lower semi-body (12), be fixed with respectively magnet steel (4).
3. high-intensity motor rotor body according to claim 2, it is characterized in that, on described upper semi-body (11) and lower semi-body (12), be respectively equipped with some being uniformly distributed and location hole (13) that quantity is equal, described alignment pin (8) is arranged in location hole (13), between dovetail body (6) center line of location hole (13) center of circle on described upper semi-body (11) or lower semi-body (12) and centre bore (3) circle center line connecting and adjacent setting, forms the first angle (9).
4. high-intensity motor rotor body according to claim 3, is characterized in that, the angle of described the first angle (9) is 2 °～4 °.
5. according to the high-intensity motor rotor body described in claim 2 or 3, it is characterized in that, on described upper semi-body (11) and lower semi-body (12), be respectively equipped with some concave convex buttons (14) for rotor sheet (2) is fixed together, described concave convex button (14) is uniformly distributed on same circumferencial direction.
6. according to the high-intensity motor rotor body described in claim 1 or 2 or 3, it is characterized in that, between described magnet steel (4) and dovetail groove (5), be provided with binding agent.
7. high-intensity motor rotor body according to claim 6, is characterized in that, described dovetail groove (5) bottom is provided with groove (5a), in described groove (5a), is provided with binding agent.
8. high-intensity motor rotor body according to claim 7, is characterized in that, medial surface and the lateral surface of described magnet steel (4) are arc surface, and the center of circle of two arc surfaces does not overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210032400.1A CN102545437B (en) | 2012-02-03 | 2012-02-03 | High-intensity motor rotor body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210032400.1A CN102545437B (en) | 2012-02-03 | 2012-02-03 | High-intensity motor rotor body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102545437A CN102545437A (en) | 2012-07-04 |
| CN102545437B true CN102545437B (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210032400.1A Expired - Fee Related CN102545437B (en) | 2012-02-03 | 2012-02-03 | High-intensity motor rotor body |
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| Country | Link |
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| CN (1) | CN102545437B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022045985A1 (en) * | 2020-08-31 | 2022-03-03 | Domel d.o.o. | Rotor with permanent magnets as part of electronically commutated electric motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501066A (en) * | 2013-09-23 | 2014-01-08 | 徐州天擎机电有限公司 | Motor rotor special for electric tricycle |
| CN105024471A (en) * | 2015-07-28 | 2015-11-04 | 常州市一格电机有限公司 | Motor for electric vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008107Y (en) * | 2007-02-14 | 2008-01-16 | 蔡国法 | Rotor for electric machine |
| CN201623556U (en) * | 2010-04-23 | 2010-11-03 | 哈尔滨理工大学 | High-speed permanent-magnet motor rotor |
| CN201966709U (en) * | 2010-12-28 | 2011-09-07 | 中山大洋电机股份有限公司 | Rotor assembly structure of skew magnetic stripe |
| CN202550724U (en) * | 2012-02-03 | 2012-11-21 | 倪正尧 | High-strength motor rotor body |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6962408B2 (en) * | 2002-01-30 | 2005-11-08 | Hewlett-Packard Development Company, L.P. | Printing-fluid container |
| DE102004027036A1 (en) * | 2004-06-02 | 2005-12-22 | Etel S.A. | synchronous motor |
-
2012
- 2012-02-03 CN CN201210032400.1A patent/CN102545437B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008107Y (en) * | 2007-02-14 | 2008-01-16 | 蔡国法 | Rotor for electric machine |
| CN201623556U (en) * | 2010-04-23 | 2010-11-03 | 哈尔滨理工大学 | High-speed permanent-magnet motor rotor |
| CN201966709U (en) * | 2010-12-28 | 2011-09-07 | 中山大洋电机股份有限公司 | Rotor assembly structure of skew magnetic stripe |
| CN202550724U (en) * | 2012-02-03 | 2012-11-21 | 倪正尧 | High-strength motor rotor body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022045985A1 (en) * | 2020-08-31 | 2022-03-03 | Domel d.o.o. | Rotor with permanent magnets as part of electronically commutated electric motor |
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| CN102545437A (en) | 2012-07-04 |
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Effective date of registration: 20200622 Address after: Lin Pu Zhen Tong Yi Cun and Tong Er Cun, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Chunjie Electric Appliance Manufacturing Co.,Ltd. Address before: 6F, Hummer building, 30 Renmin Road, Linpu Town, Xiaoshan District, Hangzhou Patentee before: ZHEJIANG HANMA PHOTOELECTRIC EQUIPMENT Co.,Ltd. |
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