Anti-toppling device of tunnel protective door

The utility model discloses an anti-toppling device of a tunnel protective door, the anti-toppling device of the tunnel protective door comprises a tunnel wall body, the two sides and the top wall of the tunnel wall body are fixedly connected with a plurality of fixing assemblies, each fixing assemb...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TU JIANGNAN, ZHANG TINGZHU
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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