Bohranordnung, Bohrmaschine und Verfahren

Details

Veröffentlichungs-Nr.

EP3693535

Aktenzeichen

EP19156382

Anmeldetag

11. Februar 2019

Veröffentlichung

9. Juni 2021

Erteilung

9. Juni 2021

Rechtsraum

EP

IPC

E21B19/22

Abstract

A drilling arrangement, a mine drilling machine and a method. The arrangement comprises- a hollow, flexible and rotatable drill rod (2),- a feed unit (1) for feeding and rotating said drill rod (2),- a feed beam (4) arranged to support the feed unit (1),- a guiding element system (5) arranged to support a section of the drill rod (2) entering the rotation unit (1), the guiding element system (5) comprising-- an inner guide (6), arranged to envelop said section of the drill rod (2),-- an outer support arrangement (9) arranged to support and guide a first length of the inner guide (6) in/on a carrier (10) of the mine drilling machine, and-- the inner guide (6) being movable in its lengthwise direction in the outer support arrangement (9).

Anmelder

Firma

Sandvik Mining and Construction Oy

Land

🇫🇮 Finnland

Fachgebiete