Sandvik Mining and Construction Oy

Ilmo Pyörny

Jouni Koskinen

Timo Seppala

Antti Pajunen

Risto Haataja

Timo SEPPÄLÄ

The disclosure relates to a changing device, rock drilling unit and a method of changing drill rods in rock drilling. The changing device includes a first drill rod station for receiving a second drill rod and a second drill rod station for receiving a third drill rod. 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 by moving the whole changing device in a transverse direction relative to a feed beam.

Drill rod changer, 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 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.

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Tampere, Finland

Ilmo Pyörny