| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To perform safe cargo handling work, even when an eccentric load is caused by an interlock controller. <P>SOLUTION: This safety device for the cargo handling work is provided with the interlock controller 61 for respectively regulating the rising, lowering and extension of a boom when an actual load of a container exceeds an allowable load, and regulating the rising, lowering and extension of the boom when a spreader exceeds a side shift limit, by determining the actual load of the container from an actual inclination of the boom, the length of the boom and hydraulic pressure of an extension side oil chamber of a lifting cylinder 23, by arranging a cargo holder at the tip of the freely derricking/freely expandable boom via a side shift device. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
