DEVICE AND METHOD FOR HANDLING DRILL STRING COMPONENTS IN ROCK DRILLING AND ROCK DRILL RIG
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Jun 25, 2013
filing date -
Jun 28, 2012
priority date (Note) -
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Abstract
A handling device for handling drill with a gripper shuttle drivingly displaceable along a guiding beam fastenable to the drill rig in order to extend in a direction from the feed beam while forming an angle therewith. The gripper shuttle has a pivotally arranged guiding gripper for in a first position in a first outermost position on the guiding beam grip a first end portion of a drill string component, being intended for lifting from a position outside the rig, the other end portion of which being intended to be in threaded engagement with a lifting plug or the like for co-operation with said lifting winch. The gripper shuttle in a second position in a second inner position on the guiding beam adjacent to the feed beam is arranged with the guiding gripper to line up the gripped drill string component in the region of the drill string position.
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