Anchor bolt drilling and setting device
AssigneeVoest-Alpine Bergtechnik Gesellschaft m.b.H.
InventorsHermann Froschl, Ralf Oberdorfer, Alfred Zitz
Life of this patent
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Abstract
For inserting anchor bolts in the region of the tunnel side wall up to near to the face, in addition to anchor bolt drilling and setting devices for the roof in the front region of the road-driving machine additional anchor bolt and setting devices are mounted displaceably guided in a vertical direction. The additional anchor bolt drilling and setting devices are swivellable around an axis which is parallel to the running surface plane of the drive mechanism of the road-driving machine.
Claims7
Anchor bolt drilling and setting apparatus for inserting anchor bolts in interior roof and side-wall surfaces of a tunnel, said apparatus being mounted on driven platform movable along said tunnel, the apparatus comprising:
- first anchor bolt drilling and setting devices, mounted on a front region of the movable platform, for inserting anchor bolts in said roof surface of the tunnel;
- and
- second anchor bolt drilling and setting devices, mounted on said front region adjacent the first anchor bolt drilling and setting devices, for inserting anchor bolts in said side-wall surfaces of the tunnel, said second devices being displaceable along a vertical axis extending between the driven platform and the roof surface and further being swivellably displaceable about said vertical axis.
Dependencies are inferred from the claim text.