LOAD DRAWING-IN METHOD AND DEVICE

摘要

PROBLEM TO BE SOLVED: To horizontally move a load without raising a boom of a crane and requiring to add a special winch. SOLUTION: A drawing-in sheave 7 is provided on a bottom surface of a base boom 3a in a telescopic boom 3. Drawing-in rope is let to pass through the sheave 7, and fixed to a boom tip end portion 9 at one end and to a load W at the other end. In this state, the boom 3 is expanded to draw in the load W to the crane body A side.