Large duct piece hoisting device

The utility model provides a large duct piece hoisting device which comprises a first long clamping arm and a second long clamping arm, the middle of the first long clamping arm is hinged to the middle of the second long clamping arm, a first short clamping arm is hinged to the top end of the first...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG RUI, ZHANG LILI, TIAN SHULONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CRANES HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS TRANSPORTING
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The utility model provides a large duct piece hoisting device which comprises a first long clamping arm and a second long clamping arm, the middle of the first long clamping arm is hinged to the middle of the second long clamping arm, a first short clamping arm is hinged to the top end of the first long clamping arm, a second short clamping arm is hinged to the top end of the second long clamping arm, and the first short clamping arm is hinged to the top end of the second short clamping arm. The top end of the first short clamping arm is hinged to the top end of the second short clamping arm, a first connecting rod is arranged at the bottom end of the first long clamping arm, a second connecting rod is arranged at the bottom end of the second long clamping arm, and the two ends of the first connecting rod and the two ends of the second connecting rod are each provided with a clamping piece. The first connecting rod and the second connecting rod which are of V-shaped structures are arranged at the bottom ends