Auxiliary device for rapid road marking

The utility model discloses an auxiliary device for quick road marking, which comprises a paint delivery pipe positioned in the middle of a road marking vehicle body and an auxiliary component connected with the paint delivery pipe, support legs are fixed on the periphery of the bottom side of the road marking vehicle body, and universal wheels are movably connected to the bottom ends of the support legs; the auxiliary device comprises a road marking vehicle body, a through hole is formed in the middle of the road marking vehicle body, a coating conveying pipe is slidably connected into the through hole, a coating spray head is installed at a discharging opening in the bottom end of the coating conveying pipe, and an auxiliary assembly is arranged at the bottom end of the coating conveying pipe. By arranging the paint conveying pipe movably connected with the road marking vehicle body and cooperating with the auxiliary assembly, when road marking is conducted, the paint spraying head can adapt to an uneven ro