Automated assembly collapsible tower crane comprising a mast (1) with telescopic portions (1.2, 1.1), a boom (2) with boom sections (2.1, 2.2, 2.3) articulated with each other by respective rotary joints (15B, 15C), a boom (2) folding system to unfold and fold the boom (2) by the rotary joints (15B, 15C) wherein each proximal and distal rotary joint (15B, 15C) is associated with at least one hydraulic actuator (4, 5, 6) to unfold and fold boom sections (2.1, 2.2, 2.3), a mast (1) folding system to fold the mast down, where in the transport position the boom sections (2.1, 2.2, 2.3) are folded down one on top of the other and on the mast (1), and the boom (2) folding and unfolding system acts independently of the folding and telescoping system of the mast (1), and comprises hydraulic actuators (4, 5, 6) to fold and unfold the boom sections (2.1, 2.2, 2.3).
AUTOMATED FOLDING AND UNFOLDING TOWER CRANE
AUTOMATISCH EIN- UND AUSKLAPPBARER TURMKRAN
GRUE À TOUR À DÉPLIAGE ET REPLIAGE AUTOMATIQUES
2022-05-11
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
European Patent Office | 2022
|