Fixed-base turning post crane with several fixing feed screwed to post tube on one side and to footplate and ground on other side

摘要

The post crane (1) has a post tube (2) and a footplate (3) by which the tube is fixed to the ground. It also has several fixing feet (4), which can be screwed to the post tube n one side and screwed through the footplate to the ground on the other side. Each fixing foot may have a vertical arm for screwing to the tube and a horizontal arm for screwing to the footplate.