旋转方钻杆的一种机械装置。
钻杆由钻杆夹头夹持，由钻杆导向装置支撑引导，由车床大拖板带动实现进给运动。
The drilling bar is clamped by a holder, supported by a guiding unit, and the feeding motion is realized by the saddle of the lathe.
本实用新型涉及钻杆或导管接头的探伤检验组合输送装置，尤其涉及曲线式探伤检验组合输送装置。
The utility model relates to a combined flaw detection transporting device for a drill stem or a pipe joint, particularly a curved combined flaw detection transporting device.
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