DRILL ROD CHANGER, ROCK DRILLING UNIT AND METHOD OF CHANGING DRILL RODS

The invention relates to a changing device, rock drilling unit and a method of changing drill rods in rock drilling. The changing device (15) comprises a first drill rod station (S1) for receiving a second drill rod (10b) and second drill rod station (S2) for receiving a third drill rod (10c). The s...

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Bibliographische Detailangaben
Hauptverfasser: SEPPÄLÄ, Timo, PAJUNEN, Antti, HAATAJA, Risto, PYÖRNY, Ilmo, KOSKINEN, Jouni
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention relates to a changing device, rock drilling unit and a method of changing drill rods in rock drilling. The changing device (15) comprises a first drill rod station (S1) for receiving a second drill rod (10b) and second drill rod station (S2) for receiving a third drill rod (10c). The second drill rod station may be moved to the first drill rod station and the first drill rod station may be moved to drilling axis (D) by moving the whole changing device in a transverse direction relative to a feed beam (2).