Patent ID: 7267182
Filing Date: 2007-09-11
Classification: E02F,E21B

Abstract:
1. A rock drilling rig comprising: a carrier, at least one feeding beam, a rock drilling apparatus movable in relation to the feeding beam and having a percussion device, one or more sensors arranged to the rock drilling apparatus to measure an operation of the rock drilling apparatus, at least one first control unit arranged on the carrier of the rock drilling rig to control the operation of the rock drilling apparatus on the basis of measuring information received from the sensors, a second control unit arranged to the rock drilling apparatus, a data communications link between the first control unit and the second control unit for transmitting information between the control units, the sensors monitoring the operation of the rock drilling apparatus are connected to transmit measuring information to the second control unit, the second control unit comprises a memory unit for storing basic settings for the rock drilling apparatus and a processing unit for calculating parameters describing an operating state of the rock drilling apparatus on the basis of said basic settings and measuring information, whereby the prevailing operating state of the drilling apparatus is defined in the drilling apparatus, and the first control unit is arranged to control the operation of the rock drilling apparatus on the basis of the parameters received from the second control unit and instructions given to the first control unit.