| 摘要 |
<p num="1">The present invention relates to a rock-drilling rig comprising at least one boom having a first end and a second end and a drilling machine arranged at said boom, wherein said first end is attached to a carrier, and wherein said drilling machine is attached to said other end by means of a first joint means and a second joint means, wherein said joint means are arranged to be manoeuvred by an operator by means of control means for controlling the drilling direction of said drilling machine, The rock-drilling rig comprises means for determining a rotation of said second joint means on the basis of the rotation position of said first joint means in such a manner that the influence of said joint means on the movement of said drilling machine corresponds to a direction indicated by the operator using said control means. The invention also relates to a device and a method.
|
