CONTAINER STACKING SPREADER AND METHOD OF CONTROLLING IT

摘要

PROBLEM TO BE SOLVED: To provide a container stacking spreader capable of avoiding collision with a guide flipper and a method of controlling it. SOLUTION: The container stacking spreader having the guide flipper includes a driving motor 12 for raising and lowering the guide flipper, and a flipper beam control part (guide flipper control part) 30 for lowering the guide flipper when the spreader body is raised by a predetermined amount or more, in accordance with a detection output obtained by an encoder 36b (spreader rise detecting means) adapted for detecting the rise of the spreader body.