Shield constructs quick-witted components of a whole that can function independently and starts with suspending frame outside long pipeline tunnel in midair

The utility model relates to a shield constructs quick-witted components of a whole that can function independently and starts with suspending frame outside long pipeline tunnel in midair, it includes: first plate body, its lower part are provided with and are circular-arc first through-hole of arra...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHUAI YUBING, WANG XIJUN, LI SHENGGUANG, WANG LIMIN, YOU DAJIANG, ZHANG HANLING, MA YUNXIN, ZHAO HONGYAN
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!