Tunnel blasting protection device

Tunnel blasting protection device

The utility model belongs to the technical field of blasting protection equipment, and particularly relates to a tunnel blasting protection device which comprises a first mounting rod, a second mounting rod, a rotating shaft and a driving assembly used for driving the rotating shaft to rotate, and t...

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Hauptverfasser: ZHANG FU, HUANG JIAN, YAN CHUNYONG, PAN HONG, ZHANG HENG
Format: Patent
Sprache:chi ; eng
Schlagworte:
AMMUNITION
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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creator ZHANG FU
HUANG JIAN
YAN CHUNYONG
PAN HONG
ZHANG HENG
description The utility model belongs to the technical field of blasting protection equipment, and particularly relates to a tunnel blasting protection device which comprises a first mounting rod, a second mounting rod, a rotating shaft and a driving assembly used for driving the rotating shaft to rotate, and the two ends of the rotating shaft are rotationally connected with the top end of the first mounting rod and the top end of the second mounting rod respectively. A flexible rubber net is wound on the rotating shaft; lifting driving parts are arranged below the first mounting rod and the second mounting rod correspondingly and used for driving the first mounting rod and the second mounting rod to ascend and descend. According to the utility model, the flexible rubber net is released and wound by utilizing the driving assembly, so that the tunnel portal is shielded or exposed, flying stones are prevented from flying out during blasting, the deslagging operation can be conveniently carried out after blasting, the opera
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subjects AMMUNITION
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
title Tunnel blasting protection device
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