Marking device for highway construction

The utility model discloses a marking device for highway construction. The device comprises a bottom plate, a first supporting frame and a second supporting frame are fixedly connected to the two sides of the top of the bottom plate correspondingly, a shell is fixedly connected between the first supporting frame and the second supporting frame, the left side of the top of the shell communicates with a feeding pipe, a motor is fixedly connected to the top of the shell, and a stirring shaft is fixedly connected to the output end of the motor. According to the utility model, the bottom plate, thefirst support frame, the second support frame, the shell, the feeding pipe, the motor, the stirring shaft, the stirring blades, the connecting pipe, the spray head, the air pump, the heater and the heating rod are matched for use; according to the pavement marking device, the problem that in the prior art, the manual efficiency is low due to the fact that a coating mixing mode is adopted can be effectively solved, coatin