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Scoop drill for collecting earth samples during prospecting - where hydraulic jacks can swivel cutter blades to grip earth sample
Scoop drill for collecting earth samples during prospecting - where hydraulic jacks can swivel cutter blades to grip earth sample
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机译:铲钻机,用于在探矿过程中收集土样-液压千斤顶可以旋转切刀刀片以夹持土样
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摘要
The scoop drill has a cylindrical casing with a detachable bottom head carrying cutter blades mounted on pivots. The blades are connected by levers to the bottom end of a piston rod in a hydraulic jack(a). The cylinder of jack(a) is connected to the cylinder of a second hydraulic jack(b), the piston of which is connected to a control cable fixed to the winch of the machine. When the control cable is raised, the cutter blades swivel inwards to grip and retain an earth sample which can then be brought to the surface.
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