Wire line coring type drilling tool for geological drilling

Wire line coring type drilling tool for geological drilling

The utility model discloses a wire-line coring type drilling tool for geological drilling, relates to the technical field of geological drilling, and provides the following scheme aiming at the problem of poor sampling effect in the prior art: the wire-line coring type drilling tool comprises an out...

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Hauptverfasser: LIANG ZEQIANG, DU LAN
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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creator LIANG ZEQIANG
DU LAN
description The utility model discloses a wire-line coring type drilling tool for geological drilling, relates to the technical field of geological drilling, and provides the following scheme aiming at the problem of poor sampling effect in the prior art: the wire-line coring type drilling tool comprises an outer pipe and an inner pipe, the outer pipe and the inner pipe are in sliding connection with each other, and the inner side of the inner pipe is in sliding connection with a lifting rod; the lower end of the lifting rod is fixedly connected with a sampling motor, the output end of the sampling motor is fixedly connected with a second bevel gear, the lower side of the second bevel gear is meshed with a plurality of first bevel gears, one side of each first bevel gear is fixedly connected with a threaded rod, and the outer side of one end of each threaded rod is sleeved with a threaded sleeve in a threaded mode; the sampling device is simple in structure, can be used for sampling rock and soil with different depths, c
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subjects 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
title Wire line coring type drilling tool for geological drilling
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