Device for carving transverse damage on inner wall of flaw detection sample tube

The utility model discloses a flaw detection sample tube inner wall transverse flaw carving device which comprises a blade, a tool rest, a lathe and a sample tube, the sample tube is a hollow tube, one end of the sample tube is detachably fixed on a lathe chuck and can rotate along with the chuck, the other end of the sample tube is arranged opposite to the blade, the blade is detachably fixed at one end of the tool rest, and the blade is arranged perpendicular to the axial direction of the sample tube. The other end of the tool rest is detachably fixed on the lathe fixing seat and can move forwards, backwards, leftwards and rightwards; and the blade can drive the tool rest to extend into the sample tube through a lathe. The flaw detection sample tube inner wall transverse flaw carving device can be used for carving a flaw in a transverse groove, and is convenient to mount and operate. 本实用新型公开了一种探伤样管内壁横伤刻伤装置，包括刀片、刀架、车床和样管，样管为空心管，样管一端可拆式固定在车床卡盘上且可随卡盘转动，样管的另一端与刀片相对设置，刀片可拆式固定在刀架一端，刀片垂直于样管的轴向设置，刀架的另一端可拆式固定在车床固定座上