CN102355068B - Stator core structure of alternating current synchronous motor - Google Patents
Stator core structure of alternating current synchronous motor Download PDFInfo
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- CN102355068B CN102355068B CN 201110329863 CN201110329863A CN102355068B CN 102355068 B CN102355068 B CN 102355068B CN 201110329863 CN201110329863 CN 201110329863 CN 201110329863 A CN201110329863 A CN 201110329863A CN 102355068 B CN102355068 B CN 102355068B
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Abstract
The invention relates to a stator core structure of an alternating current synchronous motor. The structure comprises engine bases fixedly installed on an engine base plate, wherein an engine base plate hole is arranged on the engine base plate; and engine base plate teeth are arranged on the engine base plate on the peripheral wall of the engine base plate hole. The structure is characterized in that a round punched stator plate installation pit is arranged on the right side wall of the engine base plate; punched stator plate laminations are arranged in the engine bases; punched stator plate teeth are arranged on the peripheral walls of the inner holes of the punched stator plates; a stator pressing ring is fixedly arranged at the right end of the engine bases and is provided with a stator pressing ring hole; stator pressing ring teeth are arranged on the stator pressing ring on the peripheral wall of the stator pressing ring hole; the left end of the punched stator plate laminations is embedded in a punched stator plate installation pit; and the right end of the punched stator plate laminations pushes against the stator pressing ring outside the stator pressing ring hole. The structure has the following beneficial effects that: without changing electromagnetic design, the aims of reducing the manufacturing workload, lowering the cost and shortening the manufacturing cycle are achieved and the reliability and safety of the motor are improved by changing the design of the stator pressing ring.
Description
Technical field
The present invention relates to a kind of stator core, especially a kind of stator core structure of synchronous AC motor.
Background technology
Large-scale synchronous AC motor stator core needs by stator pressing ring stator punching to be fitted in together in manufacture process, in order to make whole iron core more solid and reliable, tooth portion need be press-fited together, common way is the tooth portion welding tooth pressure sheet with the punching at stator core two ends, pressure passes to tooth portion by the tooth pressure sheet when press-fiting, and in fact, this structure faces problems, the stator punching diameter of at first large-scale synchronous machine is big, the groove number is many, need the tooth pressure sheet of welding a lot, welding tooth pressure sheet also needs special spot-welding equipment, thereby causes the artificial of manufacturing, material, cost rising and the prolongation of production cycle of equipment; Secondly, the suffered magnetic pull of large-scale synchronous machine tooth pressure sheet when operation is very big, and the tooth pressure sheet is come off, and it is sucked unshakable in one's determination, and the tooth pressure sector-meeting damages rotor, even rotor blocked makes its stall, causes serious accident.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of stator core structure that can reduce the synchronous AC motor of the workload of manufacturing, the reliability that reduces cost, shortens manufacturing cycle and raising motor and fail safe is provided.
According to technical scheme provided by the invention, the stator core structure of described synchronous AC motor, be included in hard-wired support on the machine seat board, offer axis normal in the support plate hole of machine seat board at machine seat board, machine seat board at support plate hole perisporium offers the machine seat board tooth, machine seat board right side wall in the base inner zone offers circular stator punching depression is installed, in support, be provided with the stator punching lamination, endoporus perisporium at stator punching offers the stator punching tooth, and the length direction of stator punching tooth is along the radial direction setting of stator punching; Right part at support is fixed with stator pressing ring, offer axis normal in the stator pressing ring hole of stator pressing ring at stator pressing ring, offer the stator pressing ring tooth on the stator pressing ring of stator pressing ring hole perisporium, the left part of stator punching lamination embeds stator punching and installs in the depression, the diameter that stator punching is installed depression cooperates with the external diameter of stator punching, and the stator pressing ring in the right part of stator punching lamination and the outside, stator pressing ring hole offsets.
At the bottom of the tooth of described machine seat board tooth at the bottom of the tooth of place diameter of a circle and stator pressing ring tooth the place diameter of a circle identical.At the bottom of the tooth of described machine seat board tooth the place diameter of a circle than the tooth of stator punching tooth at the bottom of the big 6mm of place diameter of a circle.
The crown place diameter of a circle of described machine seat board tooth is identical with the crown place diameter of a circle of stator pressing ring tooth.The crown place diameter of a circle of described machine seat board tooth is than the big 6mm of crown place diameter of a circle of stator punching tooth.
The tooth bottom width degree of described machine seat board tooth is identical with the tooth bottom width degree of stator pressing ring tooth.The tooth bottom width degree of described machine seat board tooth is less than the tooth bottom width degree of stator punching tooth.
The present invention is simple in structure, compact, action effect is obvious, under the situation that does not change Electromagnetic Design, by the change to the stator pressing ring design, reached and reduced the workload of making, reliability and the fail safe that reduces cost, shortens the purpose of manufacturing cycle and improved motor.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of the machine seat board among the present invention.
Fig. 3 is the structural representation of the stator punching among the present invention.
Fig. 4 is the structural representation of the stator pressing ring among the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: the stator core structure of this synchronous AC motor, be included in hard-wired support 2 on the machine seat board 1, offer axis normal in the support plate hole 1.1 of machine seat board 1 at machine seat board 1, machine seat board 1 at support plate hole 1.1 perisporiums offers machine seat board tooth 1.2, machine seat board 1 right side wall at support 2 interior zones offers circular stator punching installation depression 1.3, in support 2, be provided with stator punching 3 laminations, endoporus perisporium at stator punching 3 offers stator punching tooth 3.1, and the length direction of stator punching tooth 3.1 is along the radial direction setting of stator punching 3; Be fixed with stator pressing ring 4 in the right part of support 2, offer axis normal on the stator pressing ring 4 in the stator pressing ring hole 4.1 of stator pressing ring 4, offer stator pressing ring tooth 4.2 on the stator pressing ring 4 of stator pressing ring hole 4.1 perisporiums, the left part of stator punching 3 laminations embeds stator punching and installs in the depression 1.3, the diameter that stator punching is installed depression 1.3 cooperates with the external diameter of stator punching 3, and the stator pressing ring 4 in the right part of stator punching 3 laminations and 4.1 outsides, stator pressing ring hole offsets.
The present invention includes 2 supports, 3 stator punchings, 4 stator pressing rings.The interior circle of the machine seat board 1 in the described stator core support is dentalation, in support 2, stack some stator punching 3 laminations, stator punching 3 lamination right sides are the stator pressing ring 4 that cuts toothing, and it directly is fitted in stator punching 3, and two ends unshakable in one's determination punching does not need to weld the tooth pressure sheet.The interior circle of stator pressing ring 4 is dentalation, and the interior circle of machine seat board 1 and stator pressing ring 4 forms by the Digit Control Machine Tool cutting.
At the bottom of the tooth of described machine seat board tooth 1.2 at the bottom of the tooth of place diameter of a circle and stator pressing ring tooth 4.2 the place diameter of a circle identical.At the bottom of the tooth of described machine seat board tooth 1.2 the place diameter of a circle than the tooth of stator punching tooth 3.1 at the bottom of the big 6mm of place diameter of a circle.
The crown place diameter of a circle of described machine seat board tooth 1.2 is identical with the crown place diameter of a circle of stator pressing ring tooth 4.2.The crown place diameter of a circle of described machine seat board tooth 1.2 is than the big 6mm of crown place diameter of a circle of stator punching tooth 3.1.
The tooth bottom width degree of described machine seat board tooth 1.2 is identical with the tooth bottom width degree of stator pressing ring tooth 4.2.The tooth bottom width degree of described machine seat board tooth 1.2 is less than the tooth bottom width degree of stator punching tooth 3.1.
Installation process of the present invention is as follows:
At first support 2 and stator pressing ring 4 are processed, with lathe stator punching of right side wall car of the machine seat board 1 in support 2 left sides is installed depression 1.3, the diameter of stator punching installation depression 1.3 is slightly larger than the external diameter of stator punching 3, then support 2 was fallen, machine seat board 1 is in the bottom, stator punching in support 2 is installed depression 1.3 and is put stator punching 3 laminations, the lap seam of stator punching 3 need interlock, put into locating bar alignment flute profile, guarantee the quality of flute profile unshakable in one's determination, after having folded stator punching 3 laminations, place stator pressing ring 4 topmost at it, press-fit whole iron core with pressing machine afterwards, under pressure support 2 and stator pressing ring 4 are welded together, to guarantee reliability unshakable in one's determination.
Claims (7)
1. the stator core structure of a synchronous AC motor, be included in machine seat board (1) and go up hard-wired support (2), offer axis normal in the support plate hole (1.1) of machine seat board (1) at machine seat board (1), machine seat board (1) at support plate hole (1.1) perisporium offers machine seat board tooth (1.2), it is characterized in that: machine seat board (1) right side wall at support (2) interior zone offers circular stator punching installation depression (1.3), in support (2), be provided with stator punching (3) lamination, endoporus perisporium at stator punching (3) offers stator punching tooth (3.1), and the length direction of stator punching tooth (3.1) is along the radial direction setting of stator punching (3); Be fixed with stator pressing ring (4) in the right part of support (2), offer axis normal in the stator pressing ring hole (4.1) of stator pressing ring (4) at stator pressing ring (4), offer stator pressing ring tooth (4.2) on the stator pressing ring (4) of stator pressing ring hole (4.1) perisporium, the left part of stator punching (3) lamination embeds stator punching and installs in the depression (1.3), the diameter that stator punching is installed depression (1.3) cooperates with the external diameter of stator punching (3), and the stator pressing ring (4) in the right part of stator punching (3) lamination and stator pressing ring hole (4.1) outside offsets.
2. the stator core structure of synchronous AC motor as claimed in claim 1 is characterized in that: at the bottom of the tooth of described machine seat board tooth (1.2) at the bottom of the tooth of place diameter of a circle and stator pressing ring tooth (4.2) the place diameter of a circle identical.
3. the stator core structure of synchronous AC motor as claimed in claim 2 is characterized in that: at the bottom of the tooth of described machine seat board tooth (1.2) the place diameter of a circle than the tooth of stator punching tooth (3.1) at the bottom of the big 6mm of place diameter of a circle.
4. the stator core structure of synchronous AC motor as claimed in claim 1, it is characterized in that: the crown place diameter of a circle of described machine seat board tooth (1.2) is identical with the crown place diameter of a circle of stator pressing ring tooth (4.2).
5. the stator core structure of synchronous AC motor as claimed in claim 4, it is characterized in that: the crown place diameter of a circle of described machine seat board tooth (1.2) is than the big 6mm of crown place diameter of a circle of stator punching tooth (3.1).
6. the stator core structure of synchronous AC motor as claimed in claim 1, it is characterized in that: the tooth bottom width degree of described machine seat board tooth (1.2) is identical with the tooth bottom width degree of stator pressing ring tooth (4.2).
7. the stator core structure of synchronous AC motor as claimed in claim 6, it is characterized in that: the tooth bottom width degree of described machine seat board tooth (1.2) is less than the tooth bottom width degree of stator punching tooth (3.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110329863 CN102355068B (en) | 2011-10-26 | 2011-10-26 | Stator core structure of alternating current synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110329863 CN102355068B (en) | 2011-10-26 | 2011-10-26 | Stator core structure of alternating current synchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN102355068A CN102355068A (en) | 2012-02-15 |
| CN102355068B true CN102355068B (en) | 2013-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110329863 Active CN102355068B (en) | 2011-10-26 | 2011-10-26 | Stator core structure of alternating current synchronous motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200941565Y (en) * | 2006-06-26 | 2007-08-29 | 南阳防爆集团有限公司 | External pressing apparatus for stator of large capacity explosion-proof dynamo |
| CN201238215Y (en) * | 2008-07-31 | 2009-05-13 | 上海电科电机科技有限公司 | Plunger ring structure of high-voltage three-phase asynchronous motor |
| CN201629611U (en) * | 2010-01-22 | 2010-11-10 | 安徽皖南电机股份有限公司 | Novel composite motor iron core end plate |
| CN202282708U (en) * | 2011-10-26 | 2012-06-20 | 中电电机股份有限公司 | Stator core structure of synchronous AC motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2900685B2 (en) * | 1992-02-13 | 1999-06-02 | 富士電機株式会社 | Fixing device for stator press ring of short circuit generator |
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2011
- 2011-10-26 CN CN 201110329863 patent/CN102355068B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200941565Y (en) * | 2006-06-26 | 2007-08-29 | 南阳防爆集团有限公司 | External pressing apparatus for stator of large capacity explosion-proof dynamo |
| CN201238215Y (en) * | 2008-07-31 | 2009-05-13 | 上海电科电机科技有限公司 | Plunger ring structure of high-voltage three-phase asynchronous motor |
| CN201629611U (en) * | 2010-01-22 | 2010-11-10 | 安徽皖南电机股份有限公司 | Novel composite motor iron core end plate |
| CN202282708U (en) * | 2011-10-26 | 2012-06-20 | 中电电机股份有限公司 | Stator core structure of synchronous AC motor |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平5-227684A 1993.09.03 |
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| CN102355068A (en) | 2012-02-15 |
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