Expansion type recyclable anchor rod

Expansion type recyclable anchor rod

The utility model belongs to the technical field of supporting and protecting devices and particularly provides an expansion type recyclable anchor rod for solving the technical problems of low labor efficiency and high construction cost in the process that an anchor rod supporting and protecting ro...

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Hauptverfasser: WANG TENGFEI, ZHOU YAZHOU, ZHANG XIKUANG, HUANG XIAOMING, QI NAN, QI LE, WANG ZHEN, LU WEIYONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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container_title
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creator WANG TENGFEI
ZHOU YAZHOU
ZHANG XIKUANG
HUANG XIAOMING
QI NAN
QI LE
WANG ZHEN
LU WEIYONG
description The utility model belongs to the technical field of supporting and protecting devices and particularly provides an expansion type recyclable anchor rod for solving the technical problems of low labor efficiency and high construction cost in the process that an anchor rod supporting and protecting rock body is mounted during underground engineering construction. The expansion type recyclable anchor rod which is provided by the utility model is simple and convenient. The expansion type recyclable anchor rod comprises a rod body and is characterized in that a thread with a certain depth is formed at one end of the rod body; an expansion body and a threaded sleeve are arranged on the thread; the threaded sleeve is arranged behind the expansion body; the expansion body and the threaded sleeve are welded and fixed through steel bars; a thread with a certain depth is also formed at the other end of the rod body and has a certain distance from the end tip; a support plate and a nut which are matched with the thread a
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language chi ; eng
recordid cdi_epo_espacenet_CN203308487UU
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
title Expansion type recyclable anchor rod
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