Adjustable supporting device for tunnel construction

The utility model discloses an adjustable supporting device for tunnel construction, an adjusting mechanism comprises a first clamping groove and a second clamping groove, a third supporting plate is arranged between the first clamping groove and the second clamping groove, a first guide rod is fixe...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MA KE, LIANG ZHIGANG, ZHANG LIENING, LI YUSHUANG, SHEN HONGBING, CAI QIAOHUI, SHANG JINJUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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