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, wherein the scraper element is arranged to be kept continuously against an outer surface of the feed beam.
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.