The apparatus to luff of a crane boom system

摘要

The apparatus to luff of a cantilevered system (2) of a crane (1), comprising an auxiliary crane (3), a force measuring - and display device (7) and a bollard (6), which is connected to the outrigger system (2) is connected or connectable, wherein the auxiliary crane (3) by means of the force measuring - and display device (7) with the bollard (6) is connectable.