UPRIGHT ERECTING METHOD FOR LENGTHY MEMBER

PURPOSE:To carry out safe upright erecting drive of a lengthy member used as a structure by simple operation at the time of assembly work of a large structure. CONSTITUTION:A lengthy member 9 is hoisted up to the same height by a trolley 40 and a trolley 50, the hook 6 of the trolley 50 is wound up...

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Bibliographische Detailangaben
Hauptverfasser:	MURATA HIRONOBU, KITAZAWA KEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	PURPOSE:To carry out safe upright erecting drive of a lengthy member used as a structure by simple operation at the time of assembly work of a large structure. CONSTITUTION:A lengthy member 9 is hoisted up to the same height by a trolley 40 and a trolley 50, the hook 6 of the trolley 50 is wound up in such a sequence as A1 A2 A3, and the hook 5 of the trolley 40 is made to move traversely in such a sequence as B1 B2 B3 in accordance with the wound up amount of the trolley 50. This is a driving method to keep the height of the hoisting hook 7 of the trolley 40 constant by way of holding each of ropes in parallel and in the vertical state against the ground, etc.