A rock drilling apparatus

Details A rock drilling apparatus A rock drilling apparatus

E - Fixed Constructions

21

B

255/34

E21B 15/04 (2006.01) E21B 7/02 (2006.01)

Patent

CA 2013710

The invention relates to a rock drilling apparatus comprising a carrier (1) and at least one drill boom (2) mounted in the carrier and provided with a drifter (5) and a feeding beam (4). Valves for the control of the operations of the drifter (5) and the feeding beam (4) are arranged in the form of an integral control unit (6). The control unit is mounted in a cradle (3) provided for the feeding beam (4) and it communicates with the carrier by means of merely two pressure fluid hoses (7) and a control cable (9).

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