Flexible jaw tube applicator for rotary blast hole drilling machine
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机译:旋转爆破孔钻机的柔性颚管涂药器
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摘要
A pipe positioner having an arm including a lower jaw and an upper jaw mounted thereon is provided. The pipe positioner includes at least one of the lower jaw and the upper jaw with at least one shear pin disposed in location to provide protection of the pipe positioner from mechanical overload. A method for retrofit of a pipe positioner and a blasthole drilling rig are disclosed.
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