Turnover hoisting system for tower crane of wind generating set

• Main Authors: MA TAO, YU ZHEN, XIE DAN, LI RONG, LIU ZUOGUANG, LI YANHANG
• Format: Patent
• Language: Chinese; English
• Published: 24.11.2023
• Subjects: BLASTING; CRANES; HAULING; HEATING; HOISTING; HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD; LIFTING; LIGHTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; MACHINES OR ENGINES FOR LIQUIDS; MECHANICAL ENGINEERING; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; PRODUCING MECHANICAL POWER; TRANSPORTING; WEAPONS; WIND MOTORS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS

The invention provides a turnover hoisting system for a crane on a tower of a wind generating set, the wind generating set comprises a tower drum fixed on the ground and a cabin mounted at the top of the tower drum, and a rotatable fixed bottom plate is arranged on the cabin; the turnover hoisting system comprises a main crane, a lifting device for hoisting the main crane, a steel wire rope and a main power unit; the lifting device is mounted in the cabin, and an auxiliary hoisting pulley is arranged on the lifting device; the main crane comprises a main base, a main lifting arm and a pulley block, one end of the main lifting arm is connected with the main base, the other end is provided with a lifting hook, one end of the steel wire rope is connected with the lifting hook, and the other end bypasses the pulley block to be connected with the main power unit which is suitable for tensioning or releasing the steel wire rope. According to the overturning hoisting system for the tower crane of the wind generating