Divided ventilation and smoke discharge device

Divided ventilation and smoke discharge device

The utility model relates to a divided ventilation and smoke discharge device, comprising a plurality of tunnel supports and a plurality of I-shaped steel door type frameworks, wherein the tunnel supports are fixedly installed in a tunnel; the I-shaped steel door type frameworks are fixedly installe...

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Hauptverfasser: DONG YUEFENG, YANG JINGE, LIU HAIRONG, SUN SHENGCHEN, YANG YABING
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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creator DONG YUEFENG
YANG JINGE
LIU HAIRONG
SUN SHENGCHEN
YANG YABING
description The utility model relates to a divided ventilation and smoke discharge device, comprising a plurality of tunnel supports and a plurality of I-shaped steel door type frameworks, wherein the tunnel supports are fixedly installed in a tunnel; the I-shaped steel door type frameworks are fixedly installed outside the tunnel; the tunnel supports are fixedly connected with cross beams through angle steel brackets and expansion bolts; the middle part of each cross beam is fixedly connected with a first connecting piece through a first hauling steel rope; a ventilation fan is fixedly installed on the cross beam on the end in the tunnel; a second color plate is connected between the cross beam on the end in the tunnel and the tunnel support; the top end of each I-shaped steel door type framework is fixedly connected with a threaded steel arc-shaped framework through a second hauling steel rope; a third color plate is fixedly connected onto each threaded steel arc-shaped framework; and the top end of each I-shaped steel
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
title Divided ventilation and smoke discharge device
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