CN216699628U - Stator stress compensation structure based on predeformation design - Google Patents
Stator stress compensation structure based on predeformation design Download PDFInfo
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- CN216699628U CN216699628U CN202122683365.7U CN202122683365U CN216699628U CN 216699628 U CN216699628 U CN 216699628U CN 202122683365 U CN202122683365 U CN 202122683365U CN 216699628 U CN216699628 U CN 216699628U
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Abstract
The utility model provides a stator stress compensation structure based on predeformation design, includes stator core, stator core constitute by a plurality of welded stator lamination that link to each other, the at least one end of stator core is equipped with a plurality of predeformation laminations that have the deformation trend, the predeformation lamination be the arc type structure to the convex arc face of predeformation lamination links to each other with the stator lamination. The stator stress compensation structure is additionally provided with the pre-deformation lamination at the top of the stator core, internal stress generated inside the stator lamination during welding is eliminated through the elastic deformation trend of the pre-deformation lamination, the deformation of the stator core is reduced on the premise of not changing the welding mode of the stator lamination, and the production quality of stator products is improved.
Description
Technical Field
The utility model relates to a stator stress compensation structure, in particular to a stator stress compensation structure based on a pre-deformation design.
Background
The stator and the rotor are the two most important components in the motor, the stator is used for generating a rotating magnetic field, and the rotor is used for being cut by magnetic lines in the rotating magnetic field so as to generate output current. The common stator comprises a stator core, a stator winding and a machine base, wherein the stator core is composed of a plurality of stacked stator laminations, when the external welding work of the stator laminations is carried out, the internal stress opposite to the welding direction can be generated inside the stator laminations, if the internal stress inside the stator laminations can not be eliminated, the produced stator core can deform, and the deformation of the stator core can be increased along with the increase of the stator laminations to influence the production quality of a stator product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a stator stress compensation structure based on a pre-deformation design.
The utility model provides a stator stress compensation structure based on predeformation design, includes stator core, stator core constitute by a plurality of welded stator lamination that link to each other, the at least one end of stator core is equipped with a plurality of predeformation laminations that have the deformation trend, the predeformation lamination be the arc type structure to the convex arc face of predeformation lamination links to each other with the stator lamination.
Further, the stator laminations in the stator core are welded from top to bottom and the stator laminations at the top of the stator core are connected with the pre-deformed laminations.
Furthermore, the number of the pre-deformed lamination sheets at the top of the stator core is one or two.
Still further, the pre-deformed laminate has a tendency to deform elastically.
Further, the arc length of the pre-deformed laminations is the same as the length of the stator laminations.
Still further, the thickness of the pre-deformed lamination is smaller than the thickness of the stator lamination.
Has the advantages that: the utility model discloses a stator stress compensation structure based on a pre-deformation design, which is characterized in that a pre-deformation lamination is additionally arranged at the top of a stator core, the internal stress generated in the interior of the stator lamination during welding is eliminated through the elastic deformation tendency of the pre-deformation lamination, the deformation of the stator core is reduced on the premise of not changing the welding mode of the stator lamination, and the production quality of stator products is improved.
Drawings
FIG. 1 is a schematic structural view of a stator stress compensation structure;
in the figure: 1. stator core 2, stator lamination 3, predeformation lamination.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be described in further detail with reference to the following examples and the accompanying drawings, which are provided for illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, a stator stress compensation structure based on predeformation design, includes stator core 1, stator core 1 constitute by a plurality of welded stator lamination 2 that link to each other, stator core 1 at least one end is equipped with a plurality of predeformation lamination 3 that have the deformation trend, predeformation lamination 3 be the arc type structure to the convex cambered surface of predeformation lamination 3 links to each other with stator lamination 2.
In the present embodiment, the stator laminations 2 in the stator core 1 are welded from top to bottom, and the stator laminations 2 on the top of the stator core 1 are connected with the pre-deformed laminations 3.
In this embodiment, the number of the pre-deformed lamination 3 at the top of the stator core 1 is one or two.
In the present embodiment, the deformation tendency of the pre-deformed laminate 3 is an elastic deformation tendency.
In the present embodiment, the arc length of the pre-deformed laminations 3 is the same as the length of the stator laminations 2.
In the present embodiment, the thickness of the pre-deformed laminations 3 is smaller than the thickness of the stator laminations 2.
The working condition is as follows: as shown in fig. 1, when carrying out the weldment work of stator lamination 2, because stator lamination 2 from last down the welding link to each other, so the inside of stator lamination 2 can produce the internal stress to this internal stress direction is from down up, and stator lamination 2 should receive the effect of internal stress and upwards take place deformation this moment, but because predeformation lamination 3 has certain elastic deformation trend, so predeformation lamination 3 can take place elastic deformation when receiving the internal stress, and then eliminate the inside internal stress of stator lamination 2.
The stator stress compensation structure is additionally provided with the pre-deformation lamination at the top of the stator core, internal stress generated inside the stator lamination during welding is eliminated through the elastic deformation trend of the pre-deformation lamination, the deformation of the stator core is reduced on the premise of not changing the welding mode of the stator lamination, and the production quality of stator products is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a stator stress compensation structure based on predeformation design, includes stator core, stator core constitute by a plurality of welded stator lamination that link to each other, its characterized in that, at least one end of stator core be equipped with a plurality of predeformation laminations that have the deformation trend, predeformation lamination be the arc type structure to the convex arc face of predeformation lamination links to each other with the stator lamination.
2. The structure of claim 1, wherein the stator laminations in the stator core are welded together from top to bottom, and the stator laminations at the top of the stator core are connected to the pre-deformed laminations.
3. The stator stress compensation structure based on the predeformation design as claimed in claim 2, wherein the number of the predeformation laminations at the top of the stator core is one or two.
4. The stator stress compensation structure designed based on pre-deformation of claim 1, wherein the deformation tendency of the pre-deformed lamination is an elastic deformation tendency.
5. The stator stress compensation structure of claim 1, wherein the pre-deformed laminations have an arc length equal to the length of the stator laminations.
6. The stator stress compensation structure of claim 1, wherein the pre-deformed laminations have a thickness less than the thickness of the stator laminations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122683365.7U CN216699628U (en) | 2021-11-04 | 2021-11-04 | Stator stress compensation structure based on predeformation design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122683365.7U CN216699628U (en) | 2021-11-04 | 2021-11-04 | Stator stress compensation structure based on predeformation design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216699628U true CN216699628U (en) | 2022-06-07 |
Family
ID=81832826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122683365.7U Active CN216699628U (en) | 2021-11-04 | 2021-11-04 | Stator stress compensation structure based on predeformation design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216699628U (en) |
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2021
- 2021-11-04 CN CN202122683365.7U patent/CN216699628U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212400 No.16 Lingang science and Technology Pioneer Park, Xiashu Town, Jurong City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Lianbo Precision Technology Co.,Ltd. Address before: 212400 No.16 Lingang science and Technology Pioneer Park, Xiashu Town, Jurong City, Zhenjiang City, Jiangsu Province Patentee before: JIANGSU LIANBO PRECISION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |