CN209881514U - High-voltage generator rotor punching sheet - Google Patents
High-voltage generator rotor punching sheet Download PDFInfo
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- CN209881514U CN209881514U CN201920924162.2U CN201920924162U CN209881514U CN 209881514 U CN209881514 U CN 209881514U CN 201920924162 U CN201920924162 U CN 201920924162U CN 209881514 U CN209881514 U CN 209881514U
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- rotor
- ventilation
- towards
- piece
- voltage generator
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Abstract
The utility model relates to a high-voltage generator rotor punching, its characterized in that includes the rotor towards the piece body, the rotor is provided with the even number times towards the piece utmost point towards piece body symmetry, every towards the radial ventilation groove that the symmetry was provided with a plurality of comprises the ventilation slot piece on the piece, every the inboard in ventilation groove be equipped with the axial ventilation hole on the rotor towards the piece body, the ventilation slot piece perpendicular to the rotor is towards piece body and fixed connection the rotor is towards the piece body. The utility model discloses simple structure is compact, is equipped with axial and the radial wind channel of intercommunication, solves the current not good defect of medium-size high-voltage motor cooling ventilation effect, improves the ventilation cooling effect of generator rotor, makes each part ventilation cooling of rotor more even, improves generator efficiency, ensures medium-size high-voltage generator job stabilization nature.
Description
Technical Field
The utility model relates to a generator especially relates to a high voltage generator rotor punching.
Background
The existing generator rotor cooling ventilation is generally that a cooling ventilation opening is arranged on a salient pole rotor punching sheet and close to the end part of a rotor magnetic pole winding to cool and ventilate a rotor. The rotor cooling ventilation has excellent effect on small and medium-sized generators, and for large and medium-sized high-voltage motors, because of large volume, long motor iron core, large heat dissipation capacity and poor cooling ventilation effect, the temperature of the rotor of the generator is increased due to long-term operation, the output power of the generator is influenced, and the generator can be damaged seriously.
SUMMERY OF THE UTILITY MODEL
The applicant carries out research and improvement aiming at the problems, provides a high-voltage generator rotor punching sheet which is simple and compact in structure, overcomes the defect of poor cooling and ventilating effects of the existing large and medium-sized high-voltage motor, improves the ventilating and radiating effects of the generator rotor, enables all parts of the rotor to be more uniform in ventilating and radiating, improves the generator efficiency, and ensures the working stability of the large and medium-sized high-voltage generator.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the high-voltage generator rotor punching sheet comprises a rotor punching sheet body, wherein an even number of times of punching sheet poles are symmetrically arranged on the rotor punching sheet body, each punching sheet pole is symmetrically provided with a plurality of radial ventilation grooves formed by ventilation groove sheets, each ventilation groove is arranged on the inner side of the corresponding ventilation groove, an axial ventilation hole is formed in the rotor punching sheet body, and the ventilation groove sheets are perpendicular to the rotor punching sheet body and are fixedly connected with the rotor punching sheet body.
Further:
the ventilation slot pieces are fixedly connected with the rotor punching sheet body through 2 slot piece jacks on the rotor punching sheet body.
Each punching sheet pole is symmetrically provided with 3 radial ventilation grooves.
The rotor punching body is symmetrically provided with 4 punching poles.
The technical effects of the utility model reside in that:
the utility model discloses a high voltage generator rotor punching, simple structure is compact, is equipped with axial and the radial wind channel of intercommunication, solves the current not good defect of medium and large high voltage electric machine cooling ventilation effect, improves generator rotor's ventilation radiating effect, makes each part ventilation cooling of rotor more even, improves generator efficiency, ensures medium and large high voltage generator job stabilization nature.
Drawings
Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an enlarged view of fig. 2 at a.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the present invention includes a rotor sheet body 1, the rotor sheet body 1 is formed by one-step stamping of silicon steel sheets, the rotor sheet body 1 is symmetrically provided with an even number of times of sheet poles 2, each sheet pole 2 is symmetrically provided with a plurality of radial ventilation slots 3 formed by ventilation slots 4, the rotor sheet body 1 inside each ventilation slot 3 is provided with an axial ventilation hole 5, the ventilation slots 4 are perpendicular to the rotor sheet body 1 and are fixedly connected with the rotor sheet body 1, the ventilation slots 4 can be fixedly connected with the rotor sheet body 1 by welding, or can be fixedly connected with the rotor sheet body 1 by other methods, for example, in the present embodiment, 2 slot jacks 6 are provided on the rotor sheet body 1 at the corresponding positions of each ventilation slot 4, the ventilation slots 4 are fixedly connected with the rotor body (pins are provided on the ventilation slots 4) by the slot jacks 6 on the 2 rotor bodies 1, the connection mode has convenient processing and low manufacturing cost, and can improve the production efficiency. In this embodiment, the rotor punching body 1 is symmetrically provided with 4 punching poles 2, each punching pole 2 is symmetrically provided with 3 radial ventilation slots 3, and the 3 radial ventilation slots 3 are formed by 4 ventilation slot pieces 4 which are symmetrically distributed.
The utility model discloses in, rotor towards the ventilation groove 3 that the symmetric distribution comprises ventilation groove 4 on every extremely 2 towards the piece utmost point on the piece body 1, every extremely ventilation groove symmetric distribution, each utmost point distributes evenly to guarantee cooling ventilation effect. When in actual use, adopt a plurality of according to generator rotor's length and wind channel quantity the utility model discloses a high-voltage generator rotor towards piece with general electric motor rotor towards piece (be equipped with the utility model discloses the same axial ventilation hole) folds and presses into rotor core, makes generator rotor core have the axial and the radial wind channel of intercommunication like this, has solved the current not good defect of big-and-middle-sized high-voltage motor cooling ventilation effect, improves generator rotor's ventilation cooling effect, makes each partial ventilation cooling of rotor more even, improves generator efficiency, ensures big-and-middle-sized high-voltage generator job stabilization nature.
Claims (4)
1. The utility model provides a high-voltage generator rotor punching which characterized in that: the rotor punching sheet comprises a rotor punching sheet body, wherein an even number of times of punching sheet poles are symmetrically arranged on the rotor punching sheet body, a plurality of radial ventilation grooves formed by ventilation groove sheets are symmetrically arranged on each punching sheet pole, each ventilation groove is arranged on the rotor punching sheet body and is positioned at the inner side of each ventilation groove, and each ventilation groove sheet is perpendicular to the rotor punching sheet body and is fixedly connected with the rotor punching sheet body.
2. The rotor sheet of a high-voltage generator as claimed in claim 1, wherein: the ventilation slot pieces are fixedly connected with the rotor punching sheet body through 2 slot piece jacks on the rotor punching sheet body.
3. The high-voltage generator rotor sheet according to claim 1 or 2, characterized in that: each punching sheet pole is symmetrically provided with 3 radial ventilation grooves.
4. The rotor sheet of a high-voltage generator as claimed in claim 3, wherein: the rotor punching body is symmetrically provided with 4 punching poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924162.2U CN209881514U (en) | 2019-06-19 | 2019-06-19 | High-voltage generator rotor punching sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924162.2U CN209881514U (en) | 2019-06-19 | 2019-06-19 | High-voltage generator rotor punching sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209881514U true CN209881514U (en) | 2019-12-31 |
Family
ID=68948014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920924162.2U Active CN209881514U (en) | 2019-06-19 | 2019-06-19 | High-voltage generator rotor punching sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881514U (en) |
-
2019
- 2019-06-19 CN CN201920924162.2U patent/CN209881514U/en active Active
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| GR01 | Patent grant | ||
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