X X -ray radiographic inspection machine auxiliary device

The utility model discloses a X X -ray radiographic inspection machine auxiliary device, including the drive dolly, the drive dolly includes frame, walking wheel, drive wheel, be provided with the drive in the frame the actuating mechanism of drive wheel motion, be provided with the defectoscope in the frame and be used for fixing the fixed subassembly of defectoscope, the frame both sides are provided with and are used for injecing the locating component of walking wheel direction of advance. Inject the walking through locating component and take turns the direction of advance, take place the skew when avoiding driving trolley move, improve detection efficiency, change the distance between defectoscope transmission mouth and welding seam through rotatory screw rod to change the formation of image area, convenient operation improves and detects the precision, stretching out the interval that telescopic length changes the walking wheel through changing the connecting block, increasing the stability of drive do