Lifting hook for double-hoisting-mechanism tower crane capable of being automatically disassembled in case of unbalance

• Main Authors: SONG FENGWEI, MI CHENGHONG, SUN KAIXUAN, ZHENG HUAIPENG
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2024
• 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 lifting hook for a double-lifting-mechanism tower crane capable of being automatically disassembled during unbalance, and belongs to the field of lifting hook equipment of double-lifting-mechanism tower cranes. The hook head is hinged to the bottom end of the balance beam and used for hanging a heavy object; the two pulley yokes are distributed at the two ends of the balance beam, and the pulley yokes are used for being connected with a steel wire rope of a load-carrying trolley; the pin shafts are in one-to-one correspondence with the pulley yokes, one ends of the pin shafts are connected to the pulley yokes, clamping grooves corresponding to the pin shafts are formed in the two ends of the balance beam, notches of the clamping grooves are formed downwards, and the pin shafts are inserted into the clamping grooves to support the balance beam; the two check blocks are connected to the side wall of the balance beam and correspond to the two clamping grooves respectively, the two