Transportable slewing pillar crane has standing foot with position-variable support feet which by vertical adjusting screws act on ground, whereby support feet by adjusting screws are located outside standing foot when in use

摘要

The transportable slewing pillar crane consists of a vertical pillar (1) with a standing foot (4) installed at the bottom end. The standing foot has at least four position-variable support feet (6) adjustable in a transporting position and an in-use position, close to the free ends of which are vertical adjusting screws (8) acting on the ground. The support feet by the adjusting screws are located outside the standing foot in the in-use position. The support feet with regard to the axis of the pillar are arranged at approximately the same angle in the in-use position.