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Damping device for slag, slag, rock drilling machine and procedure for the damping of a rock drilling machine
Damping device for slag, slag, rock drilling machine and procedure for the damping of a rock drilling machine
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机译:矿渣,矿渣,凿岩机的阻尼装置以及凿岩机的阻尼程序
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摘要
Damping device for a percussion device of a rock drilling machine (1) having a striking direction (R), including a damping piston (8) for action in an axial direction against a tool to be driven by the percussion device, wherein the damping piston (8) exhibits a piston portion (6), which is received in a damping chamber (7) whereto is connected a damping flow circuit including a supply conduit (14), and wherein an outlet conduit (15) is connected to the damping chamber. A damping flow regulator (10) being controllable in respect of damping flow in the damping flow circuit is arranged in said supply conduit (14), and a control means (11) is arranged to emit control signals to the damping flow regulator (10) for regulating said damping flow. The invention also concerns a percussion device, a rock drilling machine and a method.
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