Rock drilling unit and method of changing drill rods

A rock drilling unit and a method of changing drill rods in a rock drilling unit is disclosed. The rock drilling unit includes a feed beam, a retainer device, a rock drilling machine and at least one clamp. The clamp is operable without driving force of the drilling unit. The clamp has a space for r...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	PYÖRNY ILMO
Format:	Patent
Sprache:	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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Beschreibung
Zusammenfassung:	A rock drilling unit and a method of changing drill rods in a rock drilling unit is disclosed. The rock drilling unit includes a feed beam, a retainer device, a rock drilling machine and at least one clamp. The clamp is operable without driving force of the drilling unit. The clamp has a space for receiving one single drill rod. The clamp is positioned at a side position, which is parallel to a drilling axis and is at a transfer distance from the drilling axis.