Sandvik Mining and Construction Oy

Johannes Välivaara

Juha Piipponen

Sami Hanski

Mikko Pesola

Ilpo Nieminen

Mikko Viinikainen

Timo Korva

Iipo Nieminen

An apparatus for feeding a tubular object inside a drill hole, a rock drilling rig and a method of supporting mouth openings of drill holes is provided. The apparatus includes a support device for supporting an elongated tube element blank having the potential for several successive tube inserts. A front end of the tube element blank is moved longitudinally inside a drill hole by means of a feeding device. Thereby, the drill hole is provided with a protective section extending a limited longitudinal dimension towards a bottom of the drill hole. The apparatus further includes a separation device for detaching the mentioned tube inserts one by one from the tube element blank.

Apparatus for feeding tube elements, rock drilling rig and method of supporting drill hole openings

A rock drilling rig and method for rock drilling, the rock drilling rig having a first boom unit including a first rock drilling machine provided with a tool and drill bit at the distal end of the tool, and a second boom unit including at least one rack for accommodating at least one drill bit. The first boom unit and the first rock drilling machine therein are configured to collect a drill bit from the at least one rack in the second boom unit.

Rock drilling rig

Growing community of inventors

Tampere, Finland

Johannes Välivaara