Novel transition section structure and light and small double-rocker-arm derrick

The utility model relates to a novel transition section structure and a light and small-sized double-rocker-arm derrick, which comprise a transition section structure, the left side and the right side of which are respectively provided with a group of connecting structures; the at least two pulley s...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TONG QI, ZHOU LIHONG, WANG NING, SHENG QUANWEN, LI KUNJUN, CHEN ZEQI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES CRANES FENCING FIXED CONSTRUCTIONS HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES MASTS PERFORMING OPERATIONS SWIMMING OR SPLASH BATHS OR POOLS TENTS OR CANOPIES, IN GENERAL TRANSPORTING
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