Non-contact detecting and positioning device for underground oil and gas pipeline

The utility model relates to the technical field of oil and gas pipeline detection, in particular to an underground oil and gas pipeline non-contact type detection positioning device which comprises a bottom plate and a vertical plate. One side of the vertical plate is in bolted connection with a motor for driving the rotating shaft to rotate, a threaded rod for driving the threaded sleeve to move longitudinally is fixed to the lower portion of the rotating shaft through a screw, the threaded sleeve is in threaded connection with the threaded rod, and a support connected with a fixing assembly is welded to the outer side of the threaded sleeve; the fixing assembly comprises a clamping plate, a connecting shaft A, a connecting shaft B, a supporting plate A, a supporting plate B, a fixing screw and a screw hole. The clamping plate for fixing the connecting shaft A and the connecting shaft B is welded to one side of the support. Through the clamping plate, the connecting shaft A, the connecting shaft B, the supp