CN202282708U - Stator core structure of synchronous AC motor - Google Patents
Stator core structure of synchronous AC motor Download PDFInfo
- Publication number
- CN202282708U CN202282708U CN2011204150298U CN201120415029U CN202282708U CN 202282708 U CN202282708 U CN 202282708U CN 2011204150298 U CN2011204150298 U CN 2011204150298U CN 201120415029 U CN201120415029 U CN 201120415029U CN 202282708 U CN202282708 U CN 202282708U
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- CN
- China
- Prior art keywords
- stator
- tooth
- pressing ring
- seat board
- machine seat
- 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.)
- Withdrawn - After Issue
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model relates to a stator core structure of a synchronous AC motor. A baseframe is fixedly mounted on a baseframe plate; a baseframe plate hole is formed on the baseframe plate; baseframe plate teeth are formed on the baseframe plate at the periphery of the baseframe plate hole; circular stator punching sheet mounting depressions are formed on the right side wall of the baseframe plate; stator punching sheet laminations are arranged in the baseframe; stator punching sheet teeth are formed at the periphery of the inner holes of the stator punching sheets; a stator press ring is fixedly arranged at the right end part of the baseframe; a stator press ring hole is formed on the stator press ring; stator press ring teeth are formed on the stator press ring at the periphery of the stator press ring hole; and the left end parts of the stator punching sheet laminations are embedded into the punching mounting depressions, and the right end parts of the stator punching sheet laminations prop against the stator press ring on the outer side of the stator press ring hole. On the premise that an electromagnetic design is not changed, the stator core structure provided by the utility model achieves the purposes of manufacturing workload decrease, cost reduction and manufacturing period decurtation by changing the design of the stator press ring, and improves the reliability and safety of the motor.
Description
Technical field
The utility model 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 need be fitted in stator punching together through stator pressing ring in manufacture process, and is more solid and reliable in order to make whole iron core, need tooth portion 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 through 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 cost of manual work, material, the equipment of manufacturing to rise and the prolongation of production cycle; 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 purpose of the utility model is to overcome the deficiency that exists in the prior art, and 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.
The technical scheme that provides according to the utility model; The stator core structure of said synchronous AC motor; Be included in hard-wired support on the machine seat board, on machine seat board, offer the support plate hole of axis normal, on the machine seat board of support plate hole perisporium, offer the machine seat board tooth in machine seat board; On the machine seat board right side wall in base inner zone, offer circular stator punching depression is installed; In support, be provided with the stator punching lamination, offer the stator punching tooth at the endoporus perisporium of stator punching, 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; On stator pressing ring, offer the stator pressing ring hole of axis normal in 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, and 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.
It is identical to belong to diameter of a circle at the bottom of the tooth of said machine seat board tooth at the bottom of the tooth of place diameter of a circle and stator pressing ring tooth.At the bottom of the tooth of said machine seat board tooth the place diameter of a circle than the tooth of stator punching tooth at the bottom of place diameter of a circle big 6mm.
The crown place diameter of a circle of said 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 said 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 said machine seat board tooth is identical with the tooth bottom width degree of stator pressing ring tooth.The tooth bottom width degree of said machine seat board tooth is less than the tooth bottom width degree of stator punching tooth.
The utility model is simple in structure, compact; Action effect is obvious; Under the situation that does not change Electromagnetic 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 through change to the stator pressing ring design.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model.
Fig. 2 is the structural representation of the machine seat board in the utility model.
Fig. 3 is the structural representation of the stator punching in the utility model.
Fig. 4 is the structural representation of the stator pressing ring in the utility model.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the utility model is described further.
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; On machine seat board 1, offer the support plate hole 1.1 of axis normal in machine seat board 1; On the machine seat board 1 of support plate hole 1.1 perisporiums, offer machine seat board tooth 1.2, on machine seat board 1 right side wall of support 2 interior zones, offer circular stator punching depression 1.3 is installed, 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 the stator pressing ring hole 4.1 of axis normal on the stator pressing ring 4 in 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, and 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 utility model comprises 2 supports, 3 stator punchings, 4 stator pressing rings.The interior circle of the machine seat board 1 in the said stator core support is a 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 need not welded the tooth pressure sheet.The interior circle of stator pressing ring 4 is a dentalation, and the interior circle of machine seat board 1 and stator pressing ring 4 forms by the Digit Control Machine Tool cutting.
It is identical to belong to diameter of a circle at the bottom of the tooth of said 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.At the bottom of the tooth of said 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 place diameter of a circle big 6mm.
The crown place diameter of a circle of said 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 said 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 said 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 said machine seat board tooth 1.2 is less than the tooth bottom width degree of stator punching tooth 3.1.
The installation process of the utility model is following:
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, and the stator punching in support 2 is installed on the depression 1.3 and 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, folded stator punching 3 laminations after; 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); On machine seat board (1), offer the support plate hole (1.1) of axis normal in machine seat board (1); On the machine seat board (1) of support plate hole (1.1) perisporium, offer machine seat board tooth (1.2); It is characterized in that: on machine seat board (1) right side wall of support (2) interior zone, offer circular stator punching depression (1.3) is installed; In support (2), be provided with stator punching (3) lamination, offer stator punching tooth (3.1) at the endoporus perisporium of stator punching (3), 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); On stator pressing ring (4), offer the stator pressing ring hole (4.1) of axis normal in 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: it is identical to belong to diameter of a circle at the bottom of the tooth of said 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).
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 said 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 is characterized in that: it is identical that the crown place diameter of a circle and the crown of stator pressing ring tooth (4.2) of said machine seat board tooth (1.2) belongs to diameter of a circle.
5. the stator core structure of synchronous AC motor as claimed in claim 4 is characterized in that: the crown place diameter of a circle of said 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 said 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 said 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 |
|---|---|---|---|
| CN2011204150298U CN202282708U (en) | 2011-10-26 | 2011-10-26 | Stator core structure of synchronous AC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204150298U CN202282708U (en) | 2011-10-26 | 2011-10-26 | Stator core structure of synchronous AC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202282708U true CN202282708U (en) | 2012-06-20 |
Family
ID=46228859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204150298U Withdrawn - After Issue CN202282708U (en) | 2011-10-26 | 2011-10-26 | Stator core structure of synchronous AC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202282708U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355068A (en) * | 2011-10-26 | 2012-02-15 | 中电电机股份有限公司 | Stator core structure of alternating current synchronous motor |
| CN104393695A (en) * | 2014-11-21 | 2015-03-04 | 合肥恒大江海泵业股份有限公司 | Water filling type submersible motor with improved stator iron core pressing rings |
-
2011
- 2011-10-26 CN CN2011204150298U patent/CN202282708U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355068A (en) * | 2011-10-26 | 2012-02-15 | 中电电机股份有限公司 | Stator core structure of alternating current synchronous motor |
| CN102355068B (en) * | 2011-10-26 | 2013-07-03 | 中电电机股份有限公司 | Stator core structure of alternating current synchronous motor |
| CN104393695A (en) * | 2014-11-21 | 2015-03-04 | 合肥恒大江海泵业股份有限公司 | Water filling type submersible motor with improved stator iron core pressing rings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120620 Effective date of abandoning: 20130703 |
|
| RGAV | Abandon patent right to avoid regrant |