Automatic traveling mechanism for spraying screw thread oil on drilling rod

The invention relates to the technical field of drilling equipment maintenance and discloses an automatic traveling mechanism for spraying screw thread oil on a drilling rod. The automatic traveling mechanism comprises a mounting base, a toothed rail, a traveling rack, a motor and a gear, wherein the mounting base and the toothed rail are formed through rotation and extension around the axis of adrilling rod; the toothed rail is fixedly mounted on the mounting base; two limiting guide rails are further arranged on the mounting base, are positioned on the inner side and the outer side of the toothed rail separately and are formed through rotation and extension around the axis of the drilling rod; the motor is fixedly mounted on the traveling rack; the gear is mounted on the output shaft ofthe motor; the gear and the toothed rail are meshed with each other; a guiding part is mounted at the bottom of the traveling rack, extends in the limiting guide rails and is matched with the limiting guide rails to limit and