Directional coring automatic locating device

A directional coring automatic locating device comprises an outer casing pipe, a left inner casing pipe, a right inner casing pipe, a middle inner casing pipe, a guide casing pipe and an elastic element. A stop screw is fixedly connected to the outer casing pipe; the left inner casing pipe and the r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAN LICHENG, TAN XIONGWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	A directional coring automatic locating device comprises an outer casing pipe, a left inner casing pipe, a right inner casing pipe, a middle inner casing pipe, a guide casing pipe and an elastic element. A stop screw is fixedly connected to the outer casing pipe; the left inner casing pipe and the right inner casing pipe are installed at the two ends of an inner hole of the outer casing pipe respectively, and a stop groove is formed in the outer wall of the right inner casing pipe; the middle inner casing pipe is arranged between the left and right inner casing pipes, one end of the middle inner casing pipe is fixedly connected with the left inner casing pipe, and the other end of the middle inner casing pipe movably sleeves the right inner casing pipe through a spline; the guide casing pipe is fixedly installed in an inner hole of the right inner casing pipe, and an arched notch is formed in the guide end of the guide casing pipe; the elastic element is compressed between the left andright inner casing pipes