JPH05137282A - Rotor for motor - Google Patents
Rotor for motorInfo
- Publication number
- JPH05137282A JPH05137282A JP32381891A JP32381891A JPH05137282A JP H05137282 A JPH05137282 A JP H05137282A JP 32381891 A JP32381891 A JP 32381891A JP 32381891 A JP32381891 A JP 32381891A JP H05137282 A JPH05137282 A JP H05137282A
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- laminated core
- rotor
- spacers
- motor rotor
- 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.)
- Pending
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Windings For Motors And Generators (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は積層コアに冷却用の冷媒
が通る冷媒通路が設けられている電動機ロータに関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor rotor having a laminated core provided with a coolant passage through which a coolant for cooling is provided.
【０００２】[0002]
【従来技術】従来この種の電動機ロータとしては図２及
び図３に示す構造のものがある。電動機ロータは図示す
るように、ロータスロット１の外周を囲むように形成さ
れたスペーサ２を介在させて珪素鋼板を積層し、積層コ
ア３を形成し、このスペーサ２とスペーサ２との間の空
間を冷却用の冷媒が通る冷媒通路４としている。なお、
図２は電動機ロータの一部断面図、図３は図２の矢印Ａ
方向から見た一部側面図である。2. Description of the Related Art Conventionally, as a motor rotor of this type, there is one having a structure shown in FIGS. As shown in the figure, the motor rotor is formed by stacking silicon steel plates with a spacer 2 formed so as to surround the outer periphery of the rotor slot 1 interposed therebetween to form a laminated core 3, and a space between the spacer 2 and the spacer 2. Is the refrigerant passage 4 through which the cooling refrigerant passes. In addition,
2 is a partial sectional view of the electric motor rotor, and FIG. 3 is an arrow A in FIG.
It is a partial side view seen from the direction.
【０００３】[0003]
【発明が解決しようとする課題】上記構造の電動機ロー
タでは、スペーサ２と積層コア３の固定は、図３に示す
ようにスペーサ２の端部を溶接或いは樹脂接着５等で固
定して行っている。しかしながら、このように多数のス
ペーサ２を積層コア３に溶接又は樹脂接着５等で固定し
て取り付ける方法は、非常に手間がかかり生産性が劣る
という問題があった。In the motor rotor having the above structure, the spacer 2 and the laminated core 3 are fixed by welding the ends of the spacer 2 or fixing them by resin bonding 5 as shown in FIG. There is. However, such a method of attaching a large number of spacers 2 to the laminated core 3 by fixing them by welding or resin bonding 5 has a problem that productivity is inferior because it takes much labor.
【０００４】本発明は上述の点に鑑みてなされたもの
で、スペーサを積層コアに取付けるのが容易で、且つ生
産性の優れた電動機ロータを提供することを目的とす
る。The present invention has been made in view of the above points, and an object of the present invention is to provide an electric motor rotor in which a spacer can be easily attached to a laminated core and which is excellent in productivity.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するため
本発明は、ロータスロットの外周を囲むように形成され
た複数のスペーサを介在させて珪素鋼板を積層して積層
コアを形成し、該スペーサとスペーサの間を冷却用冷媒
が通る冷媒通路とした電動機ロータにおいて、スペーサ
の積層コアに当接する部分に凸部を形成すると共に、積
層コアの該凸部が対応する位置に凹部を設け、スペーサ
の凸部を積層コアの凹部に嵌合させる構造としたことを
特徴とする。In order to solve the above-mentioned problems, the present invention forms a laminated core by laminating silicon steel sheets with a plurality of spacers formed so as to surround the outer periphery of a rotor slot interposed therebetween. In a motor rotor having a refrigerant passage between the spacers as a coolant passage for cooling, a convex portion is formed at a portion of the spacer that abuts the laminated core, and a concave portion is provided at a position corresponding to the convex portion of the laminated core, The structure is characterized in that the convex portion of the spacer is fitted into the concave portion of the laminated core.
【０００６】[0006]
【作用】電動機ロータを上記のような構造とすることに
より、スペーサの凸部を積層コアの凹部に嵌合せるだけ
でスペーサを積層コアに取り付けることができるから、
スペーサの取付け作業が容易で生産性の向上を図ること
が可能となる。With the above structure of the motor rotor, the spacer can be attached to the laminated core simply by fitting the convex portion of the spacer into the concave portion of the laminated core.
The spacer mounting work is easy and the productivity can be improved.
【０００７】[0007]
【実施例】以下、本発明の一実施例を図面に基づいて説
明する。本発明の電動機ロータそのものの構造は図２及
び図３に示す構造のものと略同じ構造であるのでその説
明は省略する。図１は本発明の電動機ロータに用いるス
ペーサ２の構造を示す図である。スペーサ２は図１に示
すようにその端部の積層コア３の側に凸部２ａが設けら
れている。積層コア３にはスペーサ２の該凸部２ａが嵌
挿される凹部３ａが設けられている。この凹部３ａは図
示は省略するが、ロータスロット１の内周側に沿ってロ
ータスロット１の個数だけ設けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Since the structure of the electric motor rotor of the present invention is substantially the same as the structure shown in FIGS. 2 and 3, the description thereof will be omitted. FIG. 1 is a view showing the structure of a spacer 2 used in the electric motor rotor of the present invention. As shown in FIG. 1, the spacer 2 is provided with a convex portion 2a at the end thereof on the side of the laminated core 3. The laminated core 3 is provided with a concave portion 3a into which the convex portion 2a of the spacer 2 is fitted. Although not shown, the recesses 3a are provided along the inner peripheral side of the rotor slot 1 by the number of the rotor slots 1.
【０００８】電動機ロータを組み立てるときは、積層コ
ア３の凹部３ａにスペーサ２の凸部２ａを嵌合させるこ
とにより、ロータスロット１の数だけのスペーサ２を取
り付けることができる。そしてこの積層コア３に取り付
けたスペーサ２の上に珪素鋼を積層した積層コア３を形
成する。When assembling the electric motor rotor, by fitting the projections 2a of the spacers 2 into the recesses 3a of the laminated core 3, as many spacers 2 as the rotor slots 1 can be attached. Then, the laminated core 3 in which silicon steel is laminated is formed on the spacer 2 attached to the laminated core 3.
【０００９】上記実施例では、凸部２ａをスペーサ２の
ロータスロット１の内周側に位置する端部に設けたが、
凸部２ａの取付け位置はこれに限定されるものではな
く、積層コア３側のどの部分でもよい。その場合は凸部
２ａの位置に応じて積層コア３の凹部３ａを設ける。な
お、本実施例ではスペーサ２の材料に金属材料を用いて
いるが、スペーサ材料には特に限定がない。In the above embodiment, the convex portion 2a is provided at the end portion of the spacer 2 located on the inner peripheral side of the rotor slot 1.
The mounting position of the convex portion 2a is not limited to this, and may be any portion on the laminated core 3 side. In that case, the concave portion 3a of the laminated core 3 is provided according to the position of the convex portion 2a. In addition, although the metal material is used as the material of the spacer 2 in this embodiment, the spacer material is not particularly limited.
【００１０】[0010]
【発明の効果】以上説明したように本発明によれば、ス
ペーサの凸部を積層コアの凹部に嵌合させるだけでスペ
ーサを積層コアに取り付けることができるので、スペー
サの取付け作業が容易で生産性の向上を図ることができ
るという優れた効果が得られる。As described above, according to the present invention, the spacer can be attached to the laminated core simply by fitting the convex portion of the spacer into the concave portion of the laminated core. The excellent effect that the property can be improved is obtained.
【図１】本発明の電動機ロータに用いるスペーサの構造
を示す図である。FIG. 1 is a diagram showing a structure of a spacer used in an electric motor rotor of the present invention.
【図２】従来の電動機ロータの一部断面図である。FIG. 2 is a partial cross-sectional view of a conventional electric motor rotor.
【図３】従来の電動機ロータの一部側面図（図２の矢印
Ａ方向から見た一部側面図）である。FIG. 3 is a partial side view of a conventional electric motor rotor (a partial side view seen from the direction of arrow A in FIG. 2).
【図４】従来の電動機ロータに用いるスペーサの構造を
示す図である。FIG. 4 is a diagram showing a structure of a spacer used in a conventional electric motor rotor.
１ ロータスロット ２ スペーサ ２ａ 凸部 ３ 積層コア ３ａ 凹部 ４ 冷媒通路 1 rotor slot 2 spacer 2a convex part 3 laminated core 3a concave part 4 refrigerant passage
Claims (1)
された複数のスペーサを介在させて珪素鋼板を積層して
積層コアを形成し、該スペーサとスペーサの間を冷却用
冷媒が通る冷媒通路とした電動機ロータにおいて、 前記スペーサの前記積層コアに当接する部分に凸部を形
成すると共に、前記積層コアの該凸部が対応する位置に
凹部を設け、前記スペーサの凸部を前記積層コアの凹部
に嵌合させる構造としたことを特徴とする電動機ロー
タ。1. A coolant passage through which a coolant for cooling passes between the spacers and the spacers to form a laminated core by interposing a plurality of spacers formed so as to surround the outer periphery of the rotor slot. In the electric motor rotor described above, a convex portion is formed in a portion of the spacer that abuts the laminated core, and a concave portion is provided at a position corresponding to the convex portion of the laminated core, and the convex portion of the spacer is a concave portion of the laminated core. An electric motor rotor having a structure to be fitted to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32381891A JPH05137282A (en) | 1991-11-12 | 1991-11-12 | Rotor for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32381891A JPH05137282A (en) | 1991-11-12 | 1991-11-12 | Rotor for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05137282A true JPH05137282A (en) | 1993-06-01 |
Family
ID=18158945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32381891A Pending JPH05137282A (en) | 1991-11-12 | 1991-11-12 | Rotor for motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05137282A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007000636A1 (en) * | 2007-11-07 | 2009-05-14 | Alstom Technology Ltd. | Rotor for electrodynamic machine i.e. hydro generator, has spacing webs that are supported on rim bolts extending through sheet metal member of rotor in axial direction in order to absorb centrifugal forces that are applied to spacing webs |
| US7893577B2 (en) | 2007-03-30 | 2011-02-22 | Alstom Technology Ltd | Rotor for an electrodynamic machine |
-
1991
- 1991-11-12 JP JP32381891A patent/JPH05137282A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7893577B2 (en) | 2007-03-30 | 2011-02-22 | Alstom Technology Ltd | Rotor for an electrodynamic machine |
| DE102007000636A1 (en) * | 2007-11-07 | 2009-05-14 | Alstom Technology Ltd. | Rotor for electrodynamic machine i.e. hydro generator, has spacing webs that are supported on rim bolts extending through sheet metal member of rotor in axial direction in order to absorb centrifugal forces that are applied to spacing webs |
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