Grid extrusion type jacking pipe

The utility model discloses a grating extrusion type jacking pipe, and relates to the field of jacking pipe construction operation, the grating extrusion type jacking pipe comprises a jacking pipe body, a supporting pipe, a driving part and a separation assembly, the jacking pipe body and the suppor...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZHANG KUANFENG, GE WANG, LI MEIYE, YU ZHENJIANG, ZHANG XIN, DU HAIBING, WANG WEIQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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