Large-scale full-turning offshore platform crane

• Main Authors: HAN LI, SHEN XIAOQIANG, WU BAOJUN, LU XINMIN, WANG QIANG
• Format: Patent
• Language: Chinese; English
• Published: 24.06.2009
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TRANSPORTING

The utility model relates to a large full-rotating offshore crane, which belongs to crane machinery. The large full-rotating offshore crane consists of a rotary pillar, an arm support, a main and an auxiliary lifting winch, a luffing winch, a rotary support drive mechanism, a main hook, an auxiliary hook, a cab, etc., wherein, the arm support is connected with the middle part of the rotary pillar through a pivot at the root thereof; and the lower middle part of the rotary pillar is located below a main deck and is connected with a semi-submerged platform through the rotary support drive mechanism. The rotary support drive mechanism consists of an upper and a lower radial bearings, a pin gear, a three-in-one accelerator, a radial thrust bearing and a rubber support. The upper and the lower radial bearings are respectively arranged on the middle part and the lower art of the rotary pillar. The radial thrust bearing and the rubber support are sequentially arranged on the bottom of the rotary pillar. The pin gear