Importance

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Abstract

The invention relates to a method pertaining to a bolting configuration (299) where a drilling unit and a bolting unit are arranged to be supported by a bottom carriage (330) via a respective top carriage (271; 272), wherein said bottom carriage (330) is arranged to be supported by a feed beam (230), relative to which said bottom carriage (330) is displaceable, wherein said top carriages (271; 272) are arranged to alternately be supported by said bottom carriage (330) to alternately be brought into operative engagement and hereby alternately be locked relative to said bottom carriage (330). The method comprises the step of: —said locking being performed by a locking configuration (350; 351) comprising at least one hydraulically, pneumatically or electrically displaceably arranged locking pin (350) adapted to be inserted into a locking hole (351) during locking, wherein said locking pin (350) is supported by said one top carriage (271; 272) and said locking hole (351) is arranged in said bottom carriage (330), or vice versa. The invention also relates to a computer program product comprising program code (P) for a computer (200; 210) to implement a method according to the invention. The invention also relates to a bolting configuration and a vehicle equipped with the bolting configuration.

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First Claim