Municipal road traffic marking spraying device

The utility model relates to the field of municipal construction equipment, and discloses a municipal road traffic marking spraying device which comprises a bottom plate. The storage unit is arranged on the upper surface of the bottom plate; the input end of the conveying unit is communicated with the storage unit; the spraying unit is arranged at the front end of the lower surface of the bottom plate and comprises a sliding rail, a sliding part and two material conveying pipelines, the two material conveying pipelines are arranged in the front-back direction and communicate with the output end of the conveying unit, the extending direction of the sliding rail is perpendicular to the extending direction of the material conveying pipelines, and the sliding part is slidably connected with the sliding rail; at least one material conveying pipeline is fixedly connected with the sliding pieces, and the material conveying pipelines correspond to the sliding pieces one to one; and the walking unit is arranged on the