Drill falling prevention device of soil drilling machine

Drill falling prevention device of soil drilling machine

The utility model relates to the technical field of soil drilling machines, and discloses a soil drilling machine drill falling prevention device which comprises a main rotating shaft, one side of the main rotating shaft is movably connected with a drill bit body, one side of the drill bit body is f...

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Hauptverfasser: YIN YEXIN, QIU LIWEI, JI ZHEN
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 YIN YEXIN
QIU LIWEI
JI ZHEN
description The utility model relates to the technical field of soil drilling machines, and discloses a soil drilling machine drill falling prevention device which comprises a main rotating shaft, one side of the main rotating shaft is movably connected with a drill bit body, one side of the drill bit body is fixedly connected with a second spring, and one side of the second spring is fixedly connected with a limiting insertion rod. A limiting lantern ring is movably connected to one side of the main rotating shaft, a threaded rod is movably connected to one side of the limiting lantern ring, a nut is movably connected to one side of the threaded rod, a nut is fixedly connected to one side of the main rotating shaft, and a device body is fixedly connected to one side of the limiting lantern ring. A first spring is fixedly connected to one side of the device body, and a damping block is fixedly connected to one side of the limiting lantern ring. According to the drill falling prevention device of the soil drilling machine
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A limiting lantern ring is movably connected to one side of the main rotating shaft, a threaded rod is movably connected to one side of the limiting lantern ring, a nut is movably connected to one side of the threaded rod, a nut is fixedly connected to one side of the main rotating shaft, and a device body is fixedly connected to one side of the limiting lantern ring. A first spring is fixedly connected to one side of the device body, and a damping block is fixedly connected to one side of the limiting lantern ring. 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A limiting lantern ring is movably connected to one side of the main rotating shaft, a threaded rod is movably connected to one side of the limiting lantern ring, a nut is movably connected to one side of the threaded rod, a nut is fixedly connected to one side of the main rotating shaft, and a device body is fixedly connected to one side of the limiting lantern ring. A first spring is fixedly connected to one side of the device body, and a damping block is fixedly connected to one side of the limiting lantern ring. 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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 Drill falling prevention device of soil drilling machine
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