Quickly-mounted pressure-resistant air door

Quickly-mounted pressure-resistant air door

The utility model relates to a coal mine air door, particularly to a quickly-mounted pressure-resistant air door, which solves the technical problem that the existing air door is easy to damage in case of roadway deformation, and includes an outer frame, an inner frame and two door leaves mounted in...

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Hauptverfasser: ZHANG YUHENG, CAO XUEQIN, DONG BINGWEN, XIN XIANYAO, NIU JIANGJIANG
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 ZHANG YUHENG
CAO XUEQIN
DONG BINGWEN
XIN XIANYAO
NIU JIANGJIANG
description The utility model relates to a coal mine air door, particularly to a quickly-mounted pressure-resistant air door, which solves the technical problem that the existing air door is easy to damage in case of roadway deformation, and includes an outer frame, an inner frame and two door leaves mounted in the inner frame, wherein a buffering part is arranged between the outer frame and the inner frame; a reverse air preventing baffle plate is arranged at the rotating shaft part of the inner frame; a buffering cushion is arranged on the reverse air preventing baffle plate; and a mechanical reverse-push connecting rod is connected between the door leaves. Compared with the existing air door, the quickly-mounted pressure-resistant air door has excellent pressure property produced in resisting the roadway deformation, and enhances the shock resistance of the door leaves by hitting the anchor rod into the coal layer to fix the door.
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language chi ; eng
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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 Quickly-mounted pressure-resistant air door
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