CN201656597U - Rotor iron core with cast aluminum damping end ring - Google Patents
Rotor iron core with cast aluminum damping end ring Download PDFInfo
- Publication number
- CN201656597U CN201656597U CN2010201140232U CN201020114023U CN201656597U CN 201656597 U CN201656597 U CN 201656597U CN 2010201140232 U CN2010201140232 U CN 2010201140232U CN 201020114023 U CN201020114023 U CN 201020114023U CN 201656597 U CN201656597 U CN 201656597U
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- Prior art keywords
- damping
- iron core
- damping winding
- winding
- rotor iron
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- Expired - Fee Related
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Abstract
The utility model discloses a rotor iron core with a cast aluminum damping end ring, which comprises a rotor iron core, characterized in that, a plurality of damping winding slot through holes are arranged at upper and lower both sides of the rotor iron core rotating shaft hole, aluminum alloy damping winding damping bars are arranged in two damping winding slot through holes, aluminum alloy damping winding damping end rings are arranged at upper and lower both end surfaces of the rotor iron core; the aluminum alloy damping winding damping bars are fixedly connected with aluminum alloy damping winding damping end rings of the two end surfaces of the iron core by the compression casting mode. The electric generator of the utility model adopts the aluminum compression casting special process to effectively solve the problem of the process of the damping winding, and the fabricating cost of the utility model made of aluminum is only one fourth of that made of copper.
Description
Technical field
The utility model relates to a kind of rotor core of generator, refers more particularly to a kind of rotor core that has cast aluminium damping end ring.
Background technology
The damping winding design of the rotor core of existing generator, general generator damping winding is made of copper bar and copper coin welding, the setting of damping winding, can make motor stable, reduce and the overvoltage when suppressing short circuit, tripping operation or load changing and overvoltage of exciter rotor winding cause damage to electronic original part (as AVR, diode etc.) and control circuit.Because device group Buddhist nun winding can cause that generator induced electromotive force wavy curve distorts, answer choose reasonable damping winding parameter when therefore designing, make generator electromotive force waveform near sinusoidal wave as far as possible, the setting of damping winding makes the manufacturing process of generator become complicated, technology is more difficult when rotor adopts oblique electrode structure, how to solve the manufacturability issues of damping winding for a long time effectively, and reduced manufacturing cost, troubled the difficult problem of industry always.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and a kind of novel rotor core that has cast aluminium damping end ring that a kind of good manufacturability and low cost of manufacture are provided.
The utility model is realized in the following way: the utility model mainly includes a rotor core, it is characterized in that: be provided with two damping winding groove through holes in the both sides up and down of described rotor core shaft hole, be provided with aluminium alloy damping winding amortisseur bar in each damping winding groove through hole, two end faces are provided with aluminium alloy damping winding damping end ring about rotor core; Described aluminium alloy damping winding amortisseur bar and rotor core the aluminium alloy damping winding damping end ring of two end faces up and down are fixedly linked by the die casting mode.
In sum, this practical generator adopts aluminium die casting special process to solve the manufacturability issues of damping winding effectively, and manufacturing cost has only copper 1/4th.
Description of drawings
Fig. 1 the utility model prior art structural representation;
Fig. 2 the utility model structure side view;
A-A is to partial sectional view for Fig. 3 the utility model structure;
Embodiment
As Fig. 2, shown in Figure 3, the utility model embodiment now is described in detail in detail, the utility model mainly includes a rotor core 1, be provided with a plurality of damping winding groove through holes 3 in the both sides up and down of rotor core shaft hole 2, be provided with aluminium alloy damping winding amortisseur bar 4 by cast aluminium die casting mode in each damping winding groove through hole 3, two end faces form cast aluminium damping winding damping end ring 5 about rotor core.Thereby make rotor core behind aluminium alloy compression casting, form the squirrel-cage damping winding.Solved the manufacturability issues of damping winding effectively, and manufacturing cost has only copper 1/4th.
Claims (1)
1. rotor core that has cast aluminium damping end ring, mainly include a rotor core, it is characterized in that: be provided with a plurality of damping winding groove through holes in the both sides up and down of described rotor core shaft hole, be provided with aluminium alloy damping winding amortisseur bar in each damping winding groove through hole, two end faces are provided with aluminium alloy damping winding damping end ring about rotor core; Described aluminium alloy damping winding amortisseur bar and rotor core the aluminium alloy damping winding damping end ring of two end faces up and down are fixedly linked by the die casting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201140232U CN201656597U (en) | 2010-02-11 | 2010-02-11 | Rotor iron core with cast aluminum damping end ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201140232U CN201656597U (en) | 2010-02-11 | 2010-02-11 | Rotor iron core with cast aluminum damping end ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201656597U true CN201656597U (en) | 2010-11-24 |
Family
ID=43121835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201140232U Expired - Fee Related CN201656597U (en) | 2010-02-11 | 2010-02-11 | Rotor iron core with cast aluminum damping end ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201656597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810984A (en) * | 2014-01-23 | 2015-07-29 | 阿尔斯通技术有限公司 | Damper finger segment |
-
2010
- 2010-02-11 CN CN2010201140232U patent/CN201656597U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810984A (en) * | 2014-01-23 | 2015-07-29 | 阿尔斯通技术有限公司 | Damper finger segment |
| US10236736B2 (en) | 2014-01-23 | 2019-03-19 | General Electric Technology Gmbh | Damper finger segment for generator rotor end |
| CN104810984B (en) * | 2014-01-23 | 2019-04-16 | 通用电器技术有限公司 | Damper refers to portion segment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20160211 |