Pipe-jacking shield dual-mode structure

The invention discloses a pipe-jacking shield dual-mode structure, relates to the technical field of shield tunneling machines, and solves the problems that a cutter head, a front shield and a rear shield of the shield tunneling machine are connected with one another and move synchronously, so that...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA QUNSEN, YUAN ZHIPING, CAO JUNJIE, MA QIANG, WANG WENWEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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