Device for tunnel maintenance

The invention provides a device for tunnel maintenance, and belongs to the technical field of tunnel operation and maintenance. According to the technical scheme, the device comprises a construction platform and a knocking-out mechanism arranged on the construction platform; the knocking-out mechani...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GUANG MING, ZHOU WEI, TAO YUNLI, FENG LIQUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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