TOWER CRANE Russian patent published in 2015 - IPC B66C17/00 

FIELD: transportation.

SUBSTANCE: crane contains the vertical tower with the bell on it, the first saddle jib fastened by one end to the bell, and by another one - to the vertical support installed on the vehicle, the cabin with the control panel. The second saddle jib (9) is fixed by one end to the bell (2), and by another one - to the support (10). The sealed container is fixed to the second vertical support (11) and the additional sealed container is made from elastic material (12). The beams (18) and (19) are fixed by one end to the saddle jib (4), and by another end to the saddle jib (9). On the beams the carriage (20) is located. The beam (21) is fixed to the carriage (20). The sealed container from elastic material is connected by hose to the air pump through the hole in its chamber with the second hole closed by the spring-loaded valve with electromagnet.

EFFECT: crane stability improvement.

3 dwg