Drilling aid scheme and procedure of a drilling aid scheme

摘要

The invention relates to a method pertaining to a drill support device (290) comprising two relatively movable drill support arms (241; 242), wherein a support space is formed between opposite arm sections (261, 262), in which a drill steel (201) is adapted to be guided and wherein said space is opened and closed by relative displacement of said sections (261, 262). The method includes the step of: —fixing (S401) at least one of said drill support arms (241; 242) by sealingly clamping between, on one side, a support element (670) and, on the other side, a housing section (650), which accommodates a hydraulic cylinder (605) with a hydraulic piston (680), on which hydraulic cylinder (605), said drill support arm (241; 242) is revolvingly mounted, wherein said drill support arm (241; 242) is clamped by means of a screw means (640) by which the housing section (650) is displaceable. The invention also relates to a computer program product comprising program code (P) for a computer (200; 210) for implementing a method according to the invention. The invention also relates to a drill support device (290) and a vehicle (100) equipped with the drill support device (290).