Front support of tunnel trapezoidal

The utility model discloses a trapezoidal tunnel cantilever support frame used for support in underground engineering, comprising a fixed beam, a rotating arm beam, a double-rocker mechanism for hanging beam clamps and rotating arms, etc. The double-rocker mechanism is fixed on an H-shaped steel top...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	WU XIANGXIAN
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
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