TURNING STRUCTURE OF CRANE USED WITH A CIRCULAR RAIL

TURNING STRUCTURE OF CRANE USED WITH A CIRCULAR RAIL

PROBLEM TO BE SOLVED: To provide a crane turning structure that is able to easily disassemble and assemble it at a crane setup spot, and also to set up it even at the rooftop of an already-constructed building. SOLUTION: This crane turning structure using a circular rail locks a circular rail 2 with...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RIYOUKI NORIO, TAKAHASHI TAKASHI, TSURUOKA MATSUO, MONAI TSUKASA
Format: Patent
Sprache:eng
Schlagworte:
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a crane turning structure that is able to easily disassemble and assemble it at a crane setup spot, and also to set up it even at the rooftop of an already-constructed building. SOLUTION: This crane turning structure using a circular rail locks a circular rail 2 with a jog part at the side along the longitudinal direction, to a turning base 1, installing a plurality of turning blocks 3 moving on this circular rail upon engaging this jog part of the rail 2, and a turning frame 4 is secured tight to these turning blocks 3, whereby all the turning base 1, the circular rail 2 and the turning frame 4 are made dividable.