Rock block removing device

A Rock block removing device comprises a driving rod and a plurality of grab bucket assemblies, the grab bucket assemblies are symmetrically arranged about the axis of the driving rod, one end of each grab bucket assembly is fixed, the other end is provided with a shovel surface structure for cleani...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHI AICHAO, SHI HANLONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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