Bohrstangenwechsel, Gesteinsbohrer und Verfahren zum Auswechseln von Bohrstangen

Details

Veröffentlichungs-Nr.

EP3181803

Aktenzeichen

EP15201043

Anmeldetag

18. Dezember 2015

Veröffentlichung

27. Februar 2019

Erteilung

27. Februar 2019

Rechtsraum

EP

IPC

E21B7/02E21B19/16E21B19/087E21B19/14E21B19/20

Abstract

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).

Anmelder

Firma

Sandvik Mining and Construction Oy

Land

🇫🇮 Finnland

Fachgebiete