JPH0226354U

JPH0226354U -

Info

Publication number: JPH0226354U
Application number: JP10128988U
Authority: JP
Priority date: 1988-07-29
Filing date: 1988-07-29
Publication date: 1990-02-21

Description

[Brief explanation of the drawing]

第１図及び第２図はこの考案による回転電機の
回転子の一部を示す回転子コイル端部は省いた平
面図及び縦断面図、第３図は第１図のＢ部の拡大
図、第４図は第１図の回転子スパイダに扇形鉄心
ブロツクを順次取付ける要領を示す平面図、第５
図は第４図を矢印Ｃ方向に視た図、第６図は第４
図の取付け要領により扇形鉄心ブロツクが回転子
リムに次第に取付けられていく状態を示す平面図
、第７図は最後の扇形ブロツクを回転子リムに取
付ける要領を示す第５図に相当する正面図、第８
図ないし第１１図はこの考案の他のそれぞれ異な
る実施例を示す結合キー部の拡大図、第１２図及
び第１３図は従来の回転電機の回転子の一部を示
す回転子コイル端部は省いた平面図及び縦断面図
、第１４図は第１２図のＡ部の拡大図である。２……回転子スパイダ、５……回転子リム、５
ａ……係合スロツト（ダブテールスロツト）、５
ｂ，５ｃ……係合スロツト、９……回転子スロツ
ト、１０……回転子コイル、１６……回転子鉄心
、１７……扇形鉄心ブロツク、１８……扇形鉄心
板、１８ａ……係合スロツト（ダブテールスロツ
ト）、１８ｂ，１８ｃ……係合スロツト、２０，
２２，２４，２７，２９……結合キー。なお、図
中同一符号は同一又は相当部分を示す。 1 and 2 are a plan view and a vertical cross-sectional view showing a part of the rotor of a rotating electric machine according to this invention, with the end of the rotor coil omitted; FIG. 3 is an enlarged view of section B in FIG. 1; Figure 4 is a plan view showing how to sequentially attach the fan-shaped core blocks to the rotor spider in Figure 1;
The figure is a view of Figure 4 viewed in the direction of arrow C, and Figure 6 is a view of Figure 4.
A plan view showing the state in which the fan-shaped iron core blocks are gradually installed on the rotor rim according to the installation procedure shown in the figure, FIG. 7 is a front view corresponding to FIG. 5 showing the procedure for installing the last sector-shaped block on the rotor rim, 8th
11 to 11 are enlarged views of the coupling key part showing other different embodiments of this invention, and FIGS. 12 and 13 show a part of the rotor of a conventional rotating electrical machine. The omitted plan view and vertical sectional view, and FIG. 14 are enlarged views of section A in FIG. 12. 2...Rotor spider, 5...Rotor rim, 5
a... Engagement slot (dovetail slot), 5
b, 5c...Engagement slot, 9...Rotor slot, 10...Rotor coil, 16...Rotor core, 17...Sector-shaped core block, 18...Sector-shaped core plate, 18a...Engagement slot (dovetail slot), 18b, 18c...engaging slot, 20,
22, 24, 27, 29... Combined key. Note that the same reference numerals in the figures indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

A plurality of fan-shaped core blocks, which are integrally formed by laminating fan-shaped core plates in the axial direction to a predetermined core length, are attached to the outer circumference of the rotor rim or rotor spider to constitute the rotor core. In a rotor with a rotor coil installed in the rotor slot of the iron core,
The inner periphery of the fan-shaped core block is provided with a plurality of engagement slots that engage in the circumferential and radial directions, and the rotor rim has a plurality of engagement slots that correspond to the engagement slots on the outer circumference of the rotor spider. , a plurality of engagement slots for engagement in the circumferential direction and radial direction are provided, and a coupling key is inserted across both of these corresponding engagement slots to couple the fan-shaped core block to the rotor rim or rotor spider. A rotor for a rotating electrical machine characterized by the following features: