Patent ID: 6793024
Filing Date: 2004-09-21
Classification: B66F,E21B

Abstract:
Rock drilling rig comprising a carrier (1), at least a drill boom (3) arranged on the carrier (1), a feed beam (4) arranged on the drill boom and a rock drilling machine (5) being movable to-and-fro along the feed beam, and at least a service boom (6) swingably arranged on the carrier (1) and on which a service platform (7), a bolting aggregate, or injection equipment is arranged at a front end (32) of said service boom, characterized in that the service boom (6) is provided with a plurality of boom sections (33-36) movable relative to each other, that the service platform, the bolting aggregate, or the injection equipment is connected to the service boom (6) by means of a parallelogram mechanism (22), and that the service platform (7), the bolting aggregate, or the injection equipment is arranged to a side of a swing plane of the parallelogram mechanism (22), through which collision between the service platform (7), the bolting aggregate, or the injection equipment and the service boom (6) is avoided.