JPS6311488U

JPS6311488U -

Info

Publication number: JPS6311488U
Application number: JP10425686U
Authority: JP
Priority date: 1986-07-09
Filing date: 1986-07-09
Publication date: 1988-01-25

Description

[Brief explanation of the drawing]

第１図ＡおよびＢはこの考案の一実施例を示す
もので、第１図Ａはクレーン制御装置の回路図、
第１図Ｂは主幹制御器の二次抵抗制御回路図であ
る。第２図ＡおよびＢは従来のクレーン制御装置
を示すもので、第２図Ａはクレーン制御装置の回
路図、第２図Ｂは主幹制御器の二次抵抗制御回路
図である。図面中、１は駆動電動機、１Ａ，２Ａ，３Ａは
加速用接触器、Ｔ，１Ｔ，２Ｔは加速用タイマ、
Ｆは正転用主接触器、Ｒは逆転用主接触器、３は
二次抵抗器、４は主幹制御器、Ａはインチング操
作用ノツチ、ＡＴ，ＢＴはタイマ、ＲＡはリレー
、，，，は正転側と逆転側に設けられた
複数のノツチである。なお、図中同一符号は同一
または相当部分を示す。 Figures 1A and 1B show an embodiment of this invention; Figure 1A is a circuit diagram of a crane control device;
FIG. 1B is a secondary resistance control circuit diagram of the master controller. 2A and 2B show a conventional crane control device. FIG. 2A is a circuit diagram of the crane control device, and FIG. 2B is a secondary resistance control circuit diagram of a master controller. In the drawing, 1 is a drive motor, 1A, 2A, 3A are acceleration contactors, T, 1T, 2T are acceleration timers,
F is the main contactor for forward rotation, R is the main contactor for reverse rotation, 3 is the secondary resistor, 4 is the master controller, A is the inching operation notch, AT, BT are the timers, RA is the relay, ,,, is There are multiple notches provided on the forward rotation side and the reverse rotation side. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of claim for utility model registration] (1) A plurality of acceleration contactors, an acceleration timer,
In a device that has a main controller of a secondary resistance control circuit type consisting of a main contactor for forward and reverse rotation and a secondary resistor, inching is applied to the forward rotation side notch and reverse rotation side notch in the secondary resistance control circuit, respectively. A crane control device characterized by the addition of a dedicated notch for operation. (2) The notch exclusively for inching operation is connected to a flicker circuit consisting of a timer and a relay, which is used only when the inching operation notch is used. Crane control device.