Hidden connecting structure of elevator derrick

The utility model discloses an elevator derrick hidden type connecting structure which comprises a derrick stand column (1) and a derrick crosspiece (2), an extrusion puncture type fixed connecting piece (3) is arranged between the derrick stand column (1) and the derrick crosspiece (2), and the two...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN KAIYI, FEI QUANQIAN, MA QINGYI, JIAO JIE, SHEN XIANGFENG, LI DONGLIU, LUO XINFENG, DU BAOYU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELEVATORS ESCALATORS OR MOVING WALKWAYS HAULING HOISTING LIFTING PERFORMING OPERATIONS TRANSPORTING
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