Pulley block load reducing device for tower crane

The utility model provides a pulley block load reducing device for a tower crane. The pulley block load reducing device comprises a pulley block arranged on a main crane and an auxiliary hoisting pulley arranged on an auxiliary crane, the main crane comprises a main base, a main lifting arm and a ma...

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Bibliographic Details
Main Authors ZHOU JIANFENG, MA TAO, LIU ZUOGUANG, BAO DEYUN, WANG MENG, PENG XIAORAN
Format Patent
LanguageChinese
English
Published 10.05.2024
Subjects
CAPSTANS
CRANES
HAULING
HOISTING
HOISTS
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TACKLES, e.g. PULLEY BLOCKS
TRANSPORTING
WINCHES
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Summary:The utility model provides a pulley block load reducing device for a tower crane. The pulley block load reducing device comprises a pulley block arranged on a main crane and an auxiliary hoisting pulley arranged on an auxiliary crane, the main crane comprises a main base, a main lifting arm and a main power unit, the pulley block comprises a first pulley, a second pulley, a plurality of adjusting pulleys and a third pulley, the first pulley and the second pulley are arranged on the main lifting arm, the adjusting pulleys are arranged on the main base, the third pulley is arranged on one side, close to the main lifting arm, of the main base, and the first pulley and the second pulley are arranged at one end, connected with the main base, of the main lifting arm at intervals; a lifting hook is arranged at the other end of the main lifting arm and connected with a steel wire rope; when the auxiliary crane lifts the main crane, one end of the steel wire rope is connected with the lifting hook, and the other end o
Bibliography:Application Number: CN202322728944U