CN102545437A - High-intensity motor rotor body - Google Patents
High-intensity motor rotor body Download PDFInfo
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- CN102545437A CN102545437A CN2012100324001A CN201210032400A CN102545437A CN 102545437 A CN102545437 A CN 102545437A CN 2012100324001 A CN2012100324001 A CN 2012100324001A CN 201210032400 A CN201210032400 A CN 201210032400A CN 102545437 A CN102545437 A CN 102545437A
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- Prior art keywords
- dovetail
- magnet steel
- high intensity
- 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
- 238000009826 distribution Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 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
- 238000004804 winding Methods 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
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 machine rotor body.
Background technology
Stator and rotor are two big main parts of motor, and the rotor of motor is that some rotor punchings are formed by stacking, motor commonly used at present; Its stator adopts coil windings as magnetic pole mostly; And rotor then is provided with magnet steel as magnetic pole in outer rim, and magnet steel directly is bonded on the rotor usually.This motor is after using a period of time, and the special magnet steel Yin Gaowen that is bonded in the rotor edge can make it that obscission often takes place in the rotor high-speed rotary course, influences the operate as normal of motor, and useful life is short.
In order to improve this phenomenon, the Chinese patent document discloses a kind of rotor [application number: 201020300712.2; Granted publication number: CN 201758313 U], it is a columniform rotor, is provided with manhole in the rotor center of circle, at the part circumference array near the rotor outer strip groove is arranged, and in the strip groove, is provided with the permanent magnetism sheet.This structure, magnet steel is fixing reliable, in the rotor operation process, the magnet steel difficult drop-off.But still exist following deficiency: 1, motor rotating at high speed rotor, above-mentioned scheme causes abnormal sound, noise easily.2, poor stability.Technical problems such as 3, long-time running, magnet steel are thrown out of easily.
Summary of the invention
The objective of the invention is to the problems referred to above, provide a kind of manufacturing simple, rational in infrastructure, abnormal sound and noise are little, good stability, and mechanical strength is high, the high intensity machine rotor body of long service life.
For achieving the above object; The present invention has adopted following technical proposal: this high intensity machine rotor body; Comprise the body that is formed by stacking by some rotor sheets; Described body center has the centre bore that is used for fixing armature spindle; Outer rim at body is provided with some dovetail grooves that are used to install the magnet steel body, described dovetail groove evenly distribute and adjacent two dovetail grooves between form the dovetail body, it is characterized in that; Thereby have on the described dovetail body dovetail body is divided into the cell body of symmetrical halves body and when this cell body is expanded under external force, can makes halved body make magnet steel body and the elimination of the gap between the dovetail body that is loaded in the dovetail groove and halfbody is buckled on the magnet steel body to both sides generation deformation respectively, the distance in described cell body bottom to the centre bore center of circle is not more than the distance of dovetail groove bottom to the centre bore center of circle.
Because the dovetail body is provided with cell body, the distance in cell body bottom to the centre bore center of circle is not more than the distance of dovetail groove bottom to the centre bore center of circle, when cell body is expanded under external force; Gap between magnet steel body and the dovetail body is eliminated; Dovetail body and magnet steel are shown consideration for closed closely, two halfbodies of this moment also branch are closely buckled in the outer foot of magnet steel body, are fixed on the magnet steel body in the dovetail groove firmly; When rotor body during at high speed rotating; The magnet steel body is not prone to loosening, obscission, has improved the mechanical strength of rotor body, has prolonged the useful life of motor.
Above-mentioned high intensity machine rotor body; Described body comprises upper semi-body and lower semi-body; Described upper semi-body and lower semi-body are fixed together through alignment pin, and the dovetail groove on upper semi-body and the lower semi-body misplaces up and down, in the dovetail groove of upper semi-body and lower semi-body, are fixed with the magnet steel body respectively.
Above-mentioned high intensity machine rotor body; Be respectively equipped with the location hole that some even distributions and quantity equate on described upper semi-body and the lower semi-body; Described alignment pin is arranged in the location hole, forms first angle between the dovetail body center line of the location hole center of circle on described upper semi-body or the lower semi-body and centre bore circle center line connecting and adjacent setting.
Because the dovetail groove that is provided with on first angle and upper semi-body and the lower semi-body between the location hole center of circle on upper semi-body or the lower semi-body and the dovetail body center line of centre bore circle center line connecting and adjacent setting misplaces up and down; This structure when motor do not have the energising following time of situation; The moment that motor stator pins the rotor body increases greatly, has improved the stability of rotor body when work.
Above-mentioned high intensity machine rotor body, described gap are formed between dovetail groove sidewall and the magnet steel body side surface, form second angle between described dovetail groove sidewall and the magnet steel body side surface, and the angle of described second angle is 6 °～12 °.
Owing to form second angle between dovetail groove sidewall and the magnet steel body side surface; When cell body is expanded under external force; Dovetail body and magnet steel are shown consideration for closed closely, the both sides of second angle of this moment coincide together, and the abnormal sound and the noise of motor are reduced significantly.
Above-mentioned high intensity machine rotor body, the angle of described first angle are 2 °～4 °.
Above-mentioned high intensity machine rotor body is respectively equipped with some concavo-convex buttons that rotor sheet is fixed together of being used on described upper semi-body and the lower semi-body, described concavo-convex being buckled on the same circumferencial direction evenly distributes.Concavo-convex button can be superimposed with each sheet rotor sheet fast, improved productivity ratio.
Above-mentioned high intensity machine rotor body is provided with binding agent between described magnet steel body and the dovetail groove.
Above-mentioned high intensity machine rotor body, described dovetail groove bottom is provided with groove, is provided with binding agent in the described groove.Groove can hold more adhesive, through the adhesive effect of binding agent, makes more firm being bonded in the dovetail groove of magnet steel body.
Above-mentioned high intensity machine rotor body, the medial surface and the lateral surface of described magnet steel body 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 machine rotor body is: 1, because the dovetail body is provided with cell body, the distance in cell body bottom to the centre bore center of circle is not more than the distance of dovetail groove bottom to the centre bore center of circle; When cell body is expanded under external force, the gap between magnet steel body and the dovetail body is eliminated, dovetail body and magnet steel are shown consideration for closed closely; Two halfbodies of this moment also branch are closely buckled in the outer foot of magnet steel body; The magnet steel body is fixed in the dovetail groove firmly, and when rotor body during at high speed rotating, the magnet steel body is not prone to loosening, obscission; Improve the mechanical strength of rotor body, prolonged the useful life of motor.2, the dovetail groove that is provided with on first angle and upper semi-body and the lower semi-body between the dovetail body center line owing to the location hole center of circle on upper semi-body or the lower semi-body and centre bore circle center line connecting and adjacent setting misplaces up and down; This structure when motor do not have the energising following time of situation; The moment that motor stator pins the rotor body increases greatly, has improved the stability of rotor body when work.3, owing to form second angle between dovetail groove sidewall and the magnet steel body side surface; When cell body is expanded under external force; Dovetail body and magnet steel are shown consideration for closed closely, the both sides of second angle of this moment coincide together, and the abnormal sound and the noise of motor are reduced significantly.4, concavo-convex button can be superimposed with each sheet rotor sheet fast, improved productivity ratio.
Description of drawings
Fig. 1 is a main TV structure sketch map provided by the invention.
Fig. 2 is a left TV structure sketch map provided by the invention.
Among the figure, body 1, rotor sheet 2, centre bore 3, magnet steel body 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, first angle 9, second angle 10, concavo-convex button 14, groove 5a.
Embodiment
As shown in Figure 1; This high intensity machine rotor body; Comprise the body 1 that is formed by stacking by some rotor sheets 2; Has the centre bore 3 that is used for fixing armature spindle at body 1 center; Outer rim at body 1 is provided with some dovetail grooves 5 that are used to install magnet steel body 4; Described dovetail groove 5 evenly distribute and adjacent two dovetail grooves 5 between form dovetail body 6, thereby having the cell body 7 that dovetail body 6 is divided into symmetrical halves body 6a on the dovetail body 6 and making magnet steel body 4 and the elimination of the gap 6b between the dovetail body 6 that is loaded in the dovetail groove 5 and halfbody 6a is buckled on the magnet steel body 4 when this cell body 7 can make halved body 6a to both sides deformation take place respectively during under external force by expansion, 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 to the distance in centre bore 3 centers of circle is not more than the distance in dovetail groove 5 bottoms to centre bore 3 centers of circle, when cell body 7 is expanded under external force; Gap 6b between magnet steel body 4 and the dovetail body 6 is eliminated; Dovetail body 6 and magnet steel body 4 are fitted closely, and two halfbody 6a of this moment also branch are closely buckled in the outer foot of magnet steel body 4, and magnet steel body 4 is fixed in the dovetail groove 5 firmly; When rotor body during at high speed rotating, magnet steel body 4 is not prone to loosening, obscission.
Concrete; Like Fig. 1, shown in 2; Body 1 comprises upper semi-body 11 and lower semi-body 12; Described upper semi-body 11 is fixed together through alignment pin 8 with lower semi-body 12, and upper semi-body 11 misplace up and down with dovetail groove 5 on the lower semi-body 12, in the dovetail groove 5 of upper semi-body 11 and lower semi-body 12, is fixed with magnet steel body 4 respectively.On upper semi-body 11 and lower semi-body 12, be respectively equipped with the location hole 13 that some even distributions and quantity equate; This alignment pin 8 is arranged in the location hole 13; Form first angle 9 between location hole 13 centers of circle on described upper semi-body 11 or the lower semi-body 12 and dovetail body 6 center lines of centre bore 3 circle center line connectings and adjacent setting, the angle of this first angle 9 is 3 °.In the present embodiment; Because the dovetail groove 5 that is provided with between location hole 13 centers of circle on upper semi-body 11 or the lower semi-body 12 and dovetail body 6 center lines of centre bore 3 circle center line connectings and adjacent setting on 3 ° of angles and upper semi-body 11 and the lower semi-body 12 misplaces up and down; This structure when motor do not have the energising following time of situation; The moment that motor stator pins the rotor body increases greatly, has improved the stability of rotor body when work.
More specifically, as shown in Figure 1, gap 6b is formed between dovetail groove 5 sidewalls and magnet steel body 4 sides, and angulation is 9 ° a angle between dovetail groove 5 sidewalls and magnet steel body 4 sides.When cell body 7 under external force by when expansion, dovetail body 6 and magnet steel body 4 are fitted closely, 9 ° of angles of this moment are eliminated and the both sides of angle coincide together, the abnormal sound and the noise of motor are reduced significantly.
Like Fig. 1, shown in 2, on upper semi-body 11 and lower semi-body 12, be respectively equipped with some concavo-convex buttons 14 that rotor sheet 2 is fixed together of being used for, described concavo-convex button 14 evenly distributes on same circumferencial direction.Be provided with binding agent between magnet steel body 4 and the dovetail groove 5.Dovetail groove 5 bottoms are provided with groove 5a, in groove 5a, are provided with binding agent.The medial surface and the lateral surface of magnet steel body 4 are arc surface, and the center of circle of two arc surfaces does not overlap.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes 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 this paper has used terms such as body 1, rotor sheet 2, centre bore 3, magnet steel body 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, first angle 9, second angle 10, concavo-convex button 14, groove 5a morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (9)
1. high intensity machine rotor body; Comprise the body (1) that is formed by stacking by some rotor sheets (2); Described body (1) center has the centre bore (3) that is used for fixing armature spindle; Outer rim at body (1) is provided with some dovetail grooves (5) that are used to install magnet steel body (4); Described dovetail groove (5) evenly distribute and adjacent two dovetail grooves (5) between form dovetail body (6); It is characterized in that; Have on the described dovetail body (6) with dovetail body (6) be divided into the cell body (7) of symmetrical halves body (6a) and the time can be made halved body (6a) by expansion under external force when this cell body (7) thus take place to both sides respectively that deformation makes the magnet steel body (4) that is loaded in the dovetail groove (5) and eliminate in the gap (6b) between the dovetail body (6) and halfbody (6a) is buckled on the magnet steel body (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.
2. high intensity machine 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 through alignment pin (8), and the dovetail groove (5) on upper semi-body (11) and the lower semi-body (12) misplaces up and down, in the dovetail groove (5) of upper semi-body (11) and lower semi-body (12), are fixed with magnet steel body (4) respectively.
3. high intensity machine rotor body according to claim 2; It is characterized in that; Be respectively equipped with the location hole (13) that some even distributions and quantity equate on described upper semi-body (11) and the lower semi-body (12); Described alignment pin (8) is arranged in the location hole (13), forms first angle (9) between dovetail body (6) center line of location hole (13) center of circle on described upper semi-body (11) or the lower semi-body (12) and centre bore (3) circle center line connecting and adjacent setting.
4. according to claim 1 or 2 or 3 described high intensity machine rotor bodies; It is characterized in that; Described gap (6b) is formed between dovetail groove (5) sidewall and magnet steel body (4) side; Form second angle (10) between described dovetail groove (5) sidewall and magnet steel body (4) side, the angle of described second angle (10) is 6 °～12 °.
5. high intensity machine rotor body according to claim 3 is characterized in that, the angle of described first angle (9) is 2 °～4 °.
6. according to claim 2 or 3 described high intensity machine rotor bodies; It is characterized in that; Be respectively equipped with some concavo-convex buttons (14) that rotor sheet (2) is fixed together of being used on described upper semi-body (11) and the lower semi-body (12), described concavo-convex button (14) evenly distributes on same circumferencial direction.
7. high intensity machine rotor body according to claim 4 is characterized in that, is provided with binding agent between described magnet steel body (4) and the dovetail groove (5).
8. high intensity machine rotor body according to claim 7 is characterized in that, described dovetail groove (5) bottom is provided with groove (5a), is provided with binding agent in the described groove (5a).
9. high intensity machine rotor body according to claim 8 is characterized in that the medial surface and the lateral surface of described magnet steel body (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 true CN102545437A (en) | 2012-07-04 |
| CN102545437B 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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| CN (1) | CN102545437B (en) |
Cited By (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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SI26077A (en) * | 2020-08-31 | 2022-03-31 | Domel d.o.o. | Rotor with permanent magnets as part of an electronically commutated electric motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005011987A1 (en) * | 2003-07-31 | 2005-02-10 | Hewlett-Packard Development Company, L.P. | Printing-fluid container |
| WO2005119879A1 (en) * | 2004-06-02 | 2005-12-15 | Etel Sa | Synchronous motor |
| 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 |
-
2012
- 2012-02-03 CN CN201210032400.1A patent/CN102545437B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005011987A1 (en) * | 2003-07-31 | 2005-02-10 | Hewlett-Packard Development Company, L.P. | Printing-fluid container |
| WO2005119879A1 (en) * | 2004-06-02 | 2005-12-15 | Etel Sa | Synchronous motor |
| 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 (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 |
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| Publication number | Publication date |
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| CN102545437B (en) | 2014-02-19 |
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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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