Sample positioning structure of residual stress detection device

The utility model discloses a sample positioning structure of a residual stress detection device, which comprises a stress detection frame, the bottom end of the stress detection frame is provided with a vertical and horizontal adjusting seat, the surface of the upper end of the vertical and horizontal adjusting seat is provided with a fixed seat, the inner wall of the fixed seat is rotatably connected with a screw rod, and the screw rod is connected with a screw rod. The upper end of the stress detection frame is provided with a machine base, one side of the machine base is provided with a guide rail, the end, away from the guide rail, of the machine base is provided with an armature adjusting corner bracket, and the position, corresponding to the fixed seat, of the surface of the bottom end of the machine base is provided with a ray emitting end. The surface of the fixed seat and the surface of the movable seat abut against bearing plates, and adjusting devices are arranged on the surfaces of the bearing pl