Scraper, rock drilling unit and method
AssigneeSandvik Mining and Construction Oy
InventorsJohannes HAKULINEN, Juha PIISPANEN, Sirpa LAUNIS, Jussi HUHTANEN
Life of this patent
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Abstract
A scraper, rock drilling unit, and a method of cleaning a feed beam of a rock drilling unit is provided. The scraper includes a scraper element and a bracket mountable to the feed beam. The bracket provides the scraper element with a floating support. There is at least one force element provided for generating a force for moving the scraper element in relation to the bracket.
Claims11
A scraper for a feed beam of a rock drilling unit, the scraper comprising:
- a scraper element;
- a bracket mountable to the feed beam and configured to provide the scraper element with floating support;
- and
- at least one force element for generating force for moving the scraper element in relation to the bracket.
A method of cleaning a feed beam of a rock drilling unit, wherein the rock drilling unit includes a carrier supported movably on the feed beam by a plurality of slide elements, and a rock drilling machine mounted on the carrier, the method comprising:
- cleaning an outer surface of the feed beam by at least one scraper having a scraper element;
- keeping the scraper element against the feed beam by at least one force element thereby preventing formation of a gap between the scraper element and the feed beam;
- sweeping away drilling cuttings;
- and
- providing the scraper element with a floating mounting, whereby the scraper element is movable along at least two movement axes.
Dependencies are inferred from the claim text.