Patent ID: 6015112
Filing Date: 2000-01-18
Classification: E21B,F16L

Abstract:
Arrangement for leading flexible elements, such as hoses, around a hose reel to a rock drill moving along a feed beam, in which arrangement the flexible elements are coupled at least at one point in their longitudinal direction immovably relative to the feed beam, led to travel towards the rear end of the feed beam, around a hose reel that revolves round a shaft essentially perpendicular relative to the feed beam and moves at one half the rate of the rock drill relative to the feed beam behind the rock drill in the same direction with respect to the rate of the rock drill, and further coupled to the rock drill or a carriage thereof, characterized in that the flexible elements are mounted around the same hose reel in at least two successive layers in the radial direction of the hose reel and the hose reel is structured such that each radial layer is pivoted so as to revolve round the shaft of the hose reel independently of other layers.