An automated collapsible tower crane comprising a mast with telescopic portions, a boom with boom sections articulated with each other by respective rotary joints, a boom folding system to unfold and fold the boom by the rotary joints wherein each proximal and distal rotary joint is associated with at least one hydraulic actuator to unfold and fold boom sections, a mast folding system to fold the mast down, wherein in the transport position the boom sections are folded down one on top of the other and on the mast, and the boom folding and unfolding system acts independently of the folding and telescoping system of the mast, and comprises hydraulic actuators to fold and unfold the boom sections.
Automatically folding and unfolding tower crane
2024-02-13
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
TOWER CRANE WITH AUTOMATIC FOLDING AND UNFOLDING STANCHION
European Patent Office | 2021
|Tower crane with automatic folding and unfolding stanchion
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