Quick lifting appliance for concrete prefabricated box girder

The invention relates to the technical field of hoisting slings, and provides a concrete prefabricated box girder rapid hoisting sling which comprises a fixed shell, a first threaded rod, a first motor, a hoisting mechanism and a bottom supporting mechanism, the first threaded rod is rotationally in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LIU BIN, WANG ZHENGANG, CHE RUI, LI SHUANGQIANG, GUO LEI, LIU BINGHUA, YAN XINYONG, LI TIEGANG, GAO HAIBIN, HAN FENG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CRANES HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS TRANSPORTING
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