Kallionrikkomislaitteen iskulaite, menetelmä iskulaitteen ohjaamiseksi

The invention relates to a percussion device of a rock breaking device, a method for controlling the percussion device and a rock drilling unit. The percussion device (11) comprises a percussion piston (33), the work cycle of which is controlled by means of a control valve (40, 77). During the movem...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SAUKKO, PEKKA, MAEKI, JORMA, KOSKIMAEKI, ANTTI, MUUTTONEN, TIMO, HIETAKARI, TEEMU
Format:	Patent
Sprache:	fin ; swe
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS HAND TOOLS MANIPULATORS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PERCUSSIVE TOOLS PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING
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