JPS617266U

JPS617266U - AC servo motor detection device

Info

Publication number: JPS617266U
Application number: JP8743984U
Authority: JP
Inventors: 耕一正木
Original assignee: 多摩川精機株式会社
Priority date: 1984-06-14
Filing date: 1984-06-14
Publication date: 1986-01-17
Also published as: JPH0528936Y2

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

【図面の簡単な説明】第１図は従来のＡＣサーボモータ用検出装置の構成の一
例を示す縦断面図、第２図は第１図の矢印■方向に見た
正面図、第３図は第１レゾルバと第２レゾルバの出力波
形を示す図、第４図はレゾルバの結線図、第５図はこの
考案によるＡＣサーボモータ用検出装置の一実施例を示
す縦断面図、第６図は第５図の矢印■方向に見た正面図
、第７図は第５図の線■−■における部分断面図である
。１１・・・・・・回転軸、１２・・・・・・第１レゾル
バ回転トランス回転側、１３・・・・・・第１レゾルバ
回転トランス固定側、１４・・・・・・第１レゾルバの
ロータ鉄心、１５・・・・・・第１レゾルバのステータ
鉄心、１６．２６・・・・・・軸受、１７・・・・・・
第１ケース、１８・・・・・・長孔、２２・・・・・・
第１レゾルバ回転トランス回転側、２３・・・・・・第
２レゾルバ回転トランス固定側、２４・・・・・・第２
レゾルバのロータ鉄心、２５・・曲第２レゾルバのステ
ータ鉄心、２７・・・・・・第２ケース、２８・・・・
・・長孔、３７・・・・・・第３ケース、３８・・・・
・・長孔。[Brief Description of the Drawings] Fig. 1 is a longitudinal sectional view showing an example of the configuration of a conventional AC servo motor detection device, Fig. 2 is a front view seen in the direction of the arrow ■ in Fig. 1, and Fig. 3 is a A diagram showing the output waveforms of the first resolver and the second resolver, FIG. 4 is a wiring diagram of the resolver, FIG. 5 is a vertical cross-sectional view showing an embodiment of the AC servo motor detection device according to this invention, and FIG. FIG. 5 is a front view seen in the direction of the arrow ``■'', and FIG. 7 is a partial sectional view taken along the line ``---'' in FIG. 11... Rotating shaft, 12... First resolver rotating transformer rotating side, 13... First resolver rotating transformer fixed side, 14... First resolver rotor core, 15... stator core of first resolver, 16.26... bearing, 17...
1st case, 18... Long hole, 22...
1st resolver rotating transformer rotating side, 23...2nd resolver rotating transformer fixed side, 24...2nd
Resolver rotor core, 25... stator core of second resolver, 27... second case, 28...
...Long hole, 37...Third case, 38...
・Long hole.

Claims

[Scope of utility model registration request]

In an AC servo motor detection device having a structure in which two resolvers are arranged coaxially, the rotating side members of the rotary transformers of the first resolver and the second resolver are mounted side by side in the axial direction, and the rotating side members are mounted in a radial direction. a rotating shaft to which rotor cores of a first resolver and a second resolver are respectively fixed;
A bearing for supporting this rotating shaft is held on the innermost side in the radial direction, and then a stationary side member of the rotary transformer of the first resolver is held, and the bearing on the outermost side in the radial direction of the rotor core of the first resolver is
The stator core of the resolver is held, and the second
A first gate that supports the case and is attached to the third case whose other end is the motor end, and another bearing that supports the rotary shaft are mounted on the innermost side in the radial direction, and the rotary transformer of the second resolver is mounted on the outside thereof. a second case that supports a fixed side member, holds a stator core of the second resolver radially outside of a rotor core of the second resolver, and is attached concentrically to the first case; , second, third
A detection device for an AC servo motor, characterized in that each of the mounting holes of the case is a long hole.