Nuclear power station special-shaped small-diameter tube nondestructive testing device and method

The invention discloses a nuclear power station special-shaped small-diameter tube nondestructive testing device which comprises a ray machine capable of moving in the Y direction and the Z direction; a detector capable of moving in the Y direction and the Z direction; and a detection clamp which is positioned between the ray machine and the detector, can move along the X direction, and is used for clamping the special-shaped small-diameter tube to be detected and allowing the special-shaped small-diameter tube to rotate around the axis of the special-shaped small-diameter tube. Compared with the prior art, the nuclear power station special-shaped small-diameter tube nondestructive testing device is simple in structure, high in position adjusting precision, accurate in positioning and convenient for field operation to complete ray detection work, and the working efficiency is improved. In addition, the invention also discloses a nuclear power station special-shaped small-diameter tube nondestructive testing m