SHAFT COUPLING STRUCTURE

PURPOSE:To easily and surely connect shafts to each other used for underground cut-off wall or soil improvement. CONSTITUTION:A tapered insertion hole 25 and a first hook part 26 are provided at a female coupling 20, and an insertion part 33 to be inserted into the insertion hole 25 and a second hoo...

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Bibliographische Detailangaben
Hauptverfasser:	TSUJII TAKESHI, NISHIJIMA YOSHIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To easily and surely connect shafts to each other used for underground cut-off wall or soil improvement. CONSTITUTION:A tapered insertion hole 25 and a first hook part 26 are provided at a female coupling 20, and an insertion part 33 to be inserted into the insertion hole 25 and a second hook part 36 to be engaged with the first hook part 26 are provided at a male coupling 30. A key 42 is elevatably stored in a groove 27 of the female coupling 20, and in the state where the first hook part 26 and the second hook part 36 are engaged with each other, the key 42 is pressed into between both the hook parts 26 and 36 by elastic force of a spring 46.