JPS5854845A - Rotor of rotary electrical machine - Google Patents
Rotor of rotary electrical machineInfo
- Publication number
- JPS5854845A JPS5854845A JP56154455A JP15445581A JPS5854845A JP S5854845 A JPS5854845 A JP S5854845A JP 56154455 A JP56154455 A JP 56154455A JP 15445581 A JP15445581 A JP 15445581A JP S5854845 A JPS5854845 A JP S5854845A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- short
- circuit ring
- grooves
- core
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/168—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having single-cage rotors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Induction Machinery (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
この発明は回転電機の同転子に関するものであり、特に
回転子導帯と短絡環との接合を改良した回転電機の回転
子に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cotrochanter for a rotating electric machine, and more particularly to a rotor for a rotating electric machine in which the connection between the rotor conductive band and the short-circuit ring is improved.
（１）
第１図は従来の回転電機の回転子を示す部分正面断面図
である。第１図において、回転子鉄心（１）はケイ素鋼
板を円筒状に積層して構成され、円周表面近傍ｓＶＣ，
軸方向に溝（１０１）を備えている。回転子導帯（２）
は溝（１０１）に嵌挿されたものである。短絡環（３）
は回転子導帯（２）の端部とろう付され、回転子導帯（
２）と短絡環（３）とでかご形巻線を構成するものであ
る。ろう何部（４）は回転子導帯（２）の端部と短絡環
（３）とをろう付する部分で、そのろう付の詳細を第２
図に示す。(1) FIG. 1 is a partial front sectional view showing a rotor of a conventional rotating electric machine. In Fig. 1, the rotor core (1) is constructed by stacking silicon steel plates in a cylindrical shape, and near the circumferential surface sVC,
A groove (101) is provided in the axial direction. Rotor guide band (2)
is inserted into the groove (101). Short circuit ring (3)
is brazed to the end of the rotor guide band (2), and the rotor guide band (
2) and the short-circuit ring (3) constitute a squirrel-cage winding. The brazing part (4) is a part where the end of the rotor conductive band (2) and the short circuit ring (3) are brazed.
As shown in the figure.
第２図において、短絡環（３）には回転子導体（２）の
端部端面を挿入する四部（３０１）が設けられており、
四部（３０１）に挿入される回転子導帯（２）の端部端
面には凸部（２０１）が設けられている。ろう材（５）
は短絡環（３）と回転子導帯（２）の端部端面とにフィ
レット（６）を形成してろう付するものである。なお、
短絡環（３）と回転子鉄心（１）間には回転子導帯（２
）のエキステンション部（２０２）が存在する。In FIG. 2, the short circuit ring (3) is provided with four parts (301) into which the end face of the rotor conductor (2) is inserted.
A protrusion (201) is provided on the end face of the rotor guide band (2) inserted into the fourth part (301). Brazing material (5)
A fillet (6) is formed on the short-circuit ring (3) and the end face of the rotor conductive band (2) and then brazed. In addition,
A rotor conductive band (2) is connected between the short-circuit ring (3) and the rotor core (1).
) there is an extension part (202).
次にこの接合動作を説明する。まず短絡環（３）ｌ
２ ）
をトーチまたは高周波誘導加熱によって予熱する。次に
短絡環（３）の四部（３０１）に回転子導帯（２）の凸
部（２０１）を挿入し、ろう材（５）を四部（３０１）
に挿入してフィレット（６）を形成してろう付を完了す
る。Next, this joining operation will be explained. First, short circuit ring (3) l
2) Preheat with a torch or high frequency induction heating. Next, insert the convex part (201) of the rotor guide band (2) into the fourth part (301) of the short circuit ring (3), and insert the brazing material (5) into the fourth part (301).
to form a fillet (6) and complete brazing.
従来の接合動作は以上のようにして行われ、回転電機の
回転子が大形になるとろう付作業そのものが困難となり
、作柴時間も長くなる欠点があった。Conventional joining operations are performed as described above, but when the rotor of a rotating electrical machine becomes large, the brazing operation itself becomes difficult and the brazing time becomes long.
この発明は上記従来のものの欠点を除去するためになさ
れたものであり、回転子導帯（２）の端部と短絡！ （
３）とを溶接によって接合できるようにしたものである
。以下図面によってこの発明の一実施例を説明する。This invention was made in order to eliminate the drawbacks of the above-mentioned conventional ones. (
3) can be joined by welding. An embodiment of the present invention will be described below with reference to the drawings.
第３図はこの発明に係る回転電機の回転子の一実施例を
示す部分正面断面図である。図中第１図および第２図と
同一部分には同一符号を付している。第３図において、
銅板コア（７）は回転子鉄心（１）の側端面に銅板を円
筒状に積層して構成され、その円周表面近傍部に溝（１
０１）と同軸状の溝（７０１）が設けられている。回転
子導帯（２）は溝（１０１）および溝（７０１）に嵌挿
され、その端部端面は短絡環（３）に接するものである
。溶接開先（８）は銅板コア（７）および短絡環（３）
に穿設され、回転子導帯（２）の側面を露出させ、良好
な溶接が得られるようにしたものである。なお、銅板コ
ア（７）は短絡環（３）と同質の銅板で構成され、その
積層された各銅板の厚さは、溶接時のアーク熱で溶けな
い十分な厚さに構成されている。FIG. 3 is a partial front sectional view showing an embodiment of a rotor of a rotating electrical machine according to the present invention. In the figure, the same parts as in FIGS. 1 and 2 are designated by the same reference numerals. In Figure 3,
The copper plate core (7) is constructed by laminating copper plates in a cylindrical shape on the side end surface of the rotor core (1), and has grooves (1) in the vicinity of the circumferential surface.
A groove (701) coaxial with the groove (701) is provided. The rotor guide band (2) is fitted into the groove (101) and the groove (701), and its end face is in contact with the short-circuit ring (3). Welding groove (8) is copper plate core (7) and short circuit ring (3)
The rotor guide band (2) is drilled in the rotor to expose the side surface of the rotor conductive band (2), so that good welding can be achieved. The copper plate core (7) is made of copper plates of the same quality as the short-circuit ring (3), and the thickness of each of the stacked copper plates is set to be sufficient to prevent melting by arc heat during welding.
次に溶接動作を説明する。ケイ素鋼板からなる回転子鉄
心（１）と鋼材の短絡環（３）とでは溶接接合できない
ため、短絡環（３）に接する部分には、すなわち第１図
に示すエキステンション部（２０２）には、短絡環（３
）と同質の鋼材からなる銅板コア（７）を設け、短絡環
（３）および銅板コア（７）に回転子導帯（２）の側面
が現われる溶接開先（８）を穿設した後、回転子導帯（
２）と短絡環（３）と銅板コア（７）とを溶接接合する
。なお、溝（１０１）、（７０１）の代わりに孔を設け
てもよい。Next, the welding operation will be explained. Since the rotor core (1) made of silicon steel plate and the short-circuit ring (3) made of steel cannot be joined by welding, the part in contact with the short-circuit ring (3), that is, the extension part (202) shown in FIG. , shorted ring (3
) is provided, and after drilling a welding groove (8) in which the side surface of the rotor conductive band (2) appears in the short-circuit ring (3) and the copper plate core (7), Rotor conductive band (
2), the short-circuit ring (3), and the copper plate core (7) are welded together. Note that holes may be provided instead of the grooves (101) and (701).
この発明は以上のように構成され、従来のエキステンシ
ョン部（２０２）に銅板コア（７）を設け、銅板コア（
７）と短絡環（３）とに溶接開先（８）を穿設すること
により、安定した溶接ができ、かつ短絡環（３）の肉厚
が薄くでき、製作時間が短く、安価で信頼性の高い接合
ができる。The present invention is configured as described above, and a copper plate core (7) is provided in the conventional extension part (202).
7) and the short circuit ring (3), stable welding is possible, and the wall thickness of the short circuit ring (3) can be made thinner, resulting in short manufacturing time, low cost, and reliability. Achieves high quality bonding.
以上のようにこの発明によれば、回転子導帯と短絡環と
の接合を短時間に、安価でかつ高信頼度で行うことがで
きる効果を有する。As described above, according to the present invention, it is possible to join the rotor guide band and the short-circuit ring in a short time, at low cost, and with high reliability.
第１図は従来の回転電機の回転子を示す部分正面断面図
、第２図は従来のろう付の説明図、第３図はこの発明に
係る回転電機の回転子の一実施例を示す部分正面断面図
である。
図において、（１）は回転子鉄心、（１０１）は溝、（
２）は回転子導帯、（２０２）はエキステンション部、
（３）は短絡環、（７）は銅板コア、（７０１）は溝、
（８）は溶接開先である。なお、各図中同一部分には同
一符号を付している。
（５）
第１図
第３図Fig. 1 is a partial front sectional view showing a rotor of a conventional rotating electrical machine, Fig. 2 is an explanatory diagram of conventional brazing, and Fig. 3 is a portion showing an embodiment of the rotor of a rotating electrical machine according to the present invention. FIG. In the figure, (1) is the rotor core, (101) is the groove, (
2) is the rotor guide band, (202) is the extension part,
(3) is a short circuit ring, (7) is a copper plate core, (701) is a groove,
(8) is the welding groove. Note that the same parts in each figure are given the same reference numerals. (5) Figure 1 Figure 3
Claims (1)
近傍部に軸方向に複数本の溝もしくは孔を有する回転子
鉄心、前記回転子鉄心の側端面に銅板を円筒状に積層し
て構成され円周表面近傍部に前記溝もしくは孔と同軸状
に複数本の溝もしくは孔を有する銅板コア、前記回転子
鉄心と前記銅板コアとのそれぞれの溝もしくは孔に嵌挿
された複数本の回転子導帯、および前記複数本の回転子
導帯の端部に溶接接合される短絡環を備え、前記銅板コ
アおよび前記短絡環に溶接開先を穿設したことを特徴と
する回転電機の回転子。1. A rotor core that is constructed by laminating silicon steel plates in a cylindrical shape and has a plurality of grooves or holes in the axial direction near the circumferential surface, and a rotor core that has copper plates laminated in a cylindrical shape on the side end surface of the rotor core. a copper plate core having a plurality of grooves or holes coaxially with the grooves or holes in the vicinity of the circumferential surface; a plurality of grooves or holes inserted into the respective grooves or holes of the rotor core and the copper plate core; A rotating electric machine comprising a rotor conductive band and a short-circuit ring welded to the ends of the plurality of rotor conductive bands, and a welding groove is bored in the copper plate core and the short-circuit ring. rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56154455A JPS5854845A (en) | 1981-09-28 | 1981-09-28 | Rotor of rotary electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56154455A JPS5854845A (en) | 1981-09-28 | 1981-09-28 | Rotor of rotary electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5854845A true JPS5854845A (en) | 1983-03-31 |
Family
ID=15584594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56154455A Pending JPS5854845A (en) | 1981-09-28 | 1981-09-28 | Rotor of rotary electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5854845A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013005050A1 (en) * | 2013-03-22 | 2014-09-25 | Wieland-Werke Ag | Squirrel-cage runners and their individual parts, and method of making a squirrel cage rotor |
| US20160079837A1 (en) * | 2014-09-17 | 2016-03-17 | Wieland-Werke Ag | Squirrel-cage rotor |
| DE102018001587A1 (en) * | 2018-02-28 | 2019-08-29 | Wieland-Werke Ag | Squirrel cage rotor and method of making a squirrel cage rotor |
-
1981
- 1981-09-28 JP JP56154455A patent/JPS5854845A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013005050A1 (en) * | 2013-03-22 | 2014-09-25 | Wieland-Werke Ag | Squirrel-cage runners and their individual parts, and method of making a squirrel cage rotor |
| JP2014187866A (en) * | 2013-03-22 | 2014-10-02 | Wieland Werke Ag | Squirrel cage rotor, individual members thereof and method for manufacturing squirrel cage rotor |
| EP2782222A3 (en) * | 2013-03-22 | 2016-04-27 | Wieland-Werke AG | Squirrel cage rotor and its component parts and method for producing a squirrel cage rotor |
| US20160079837A1 (en) * | 2014-09-17 | 2016-03-17 | Wieland-Werke Ag | Squirrel-cage rotor |
| US10951102B2 (en) | 2014-09-17 | 2021-03-16 | Wieland-Werke Ag | Squirrel-cage rotor and method of manufacturing the same |
| DE102018001587A1 (en) * | 2018-02-28 | 2019-08-29 | Wieland-Werke Ag | Squirrel cage rotor and method of making a squirrel cage rotor |
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