Mobile crane has endless tracked vehicle with table carrying outrigger and opposing outrigger with counterweight in defined circle

摘要

The movable crane has an endless tracked chassis (1) supporting a rotary crane table (2) with an outrigger (3) and a derrick-opposing outrigger (4). A counterweight is mounted at the base of the opposing outrigger. The counterweight (9) is suspended on a lifting cable to the opposing outrigger and can be lifted on the rotary table. The opposing outrigger has a pivot mounting with the counterweight mounted adjacent to the pivot. The centre of gravity of the superstructure with outrigger, opposing outrigger and accessories lies within a defined circle