Stabilizing group (10) for a tower crane (20) of the type comprising a vertical tower structure (21) and a lifting arm (22), comprising: a rotary group (30) arranged to be mounted at the top of the vertical tower structure (21) so as to be able to rotate about a vertical axis, the rotary group (30) also being arranged to couple with the lifting arm (22); a counter jib (40) rotatably coupled through a hinge (11) having a horizontal axis with the rotary group (30) on the opposite side to that intended for coupling with the lifting arm (22), the hinge (11) defining a horizontal hinging half-plane; the stabilizing group (10) comprising limiting means (35, 45) for limiting the rotation of the counter jib (40) with respect to the rotary group (30) at least in one sense of rotation with respect to the horizontal hinging half-plane.
STABILIZING GROUP FOR A TOWER CRANE AND TOWER CRANE COMPRISING SUCH A GROUP
STABILISIERUNGSGRUPPE FÜR EINEN TURMKRAN UND TURMKRAN MIT SOLCH EINER GRUPPE
GROUPE DE STABILISATION POUR UNE GRUE À PYLÔNE ET GRUE À PYLÔNE COMPRENANT UN TEL GROUPE
2016-07-20
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |