Rock drill guide

Details Rock drill guide Rock drill guide

E - Fixed Constructions

21

B

E21B 19/24 (2006.01)

Patent

CA 2538152

A device that is used to guide a drill, drill steel, drill rod or drill bit parallel to another drill hole. This device is put on the drill rod or steel after the first hole is drilled to guide the consecutive holes. The device comprises of a rock drill guide(RDG) which is made of a high strength material and is adjustable to change the spacing or burden to fit the required drill pattern. The RDG is made of a hollow tube which is fixed to a horizontal bar or beam which is coupled around the drill rod or drill steel. The hollow tube is inserted into a previously drilled hole so when the drill bit is advanced to the collaring location the RDG lines up the new hole to the same angle and rotation as the previous hole so the holes are drilled parallel. The hollow tube is interchangeable to meet different diameter holes.

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