Lane line drawing equipment for detection field

The invention relates to lane line drawing equipment for a detection field, which comprises a vehicle body and a regulation plate welded to the right side of the vehicle body, wherein a first brush isfixedly installed at the bottom of the regulation plate; a rail frame is installed on the regulation plate, a rectangular frame is slidably installed on the rail frame, and both the left side and theright side of the rectangular frame are welded with a row of triangular blocks arranged in the front-back direction. The rectangular frame is connected with a linkage frame, a clamping groove is formed in the linkage frame, and a rocker is installed in the clamping groove in a sliding mode and connected with a motor. A hanging bracket is supported at the upper part of the rectangular frame, and aguide frame for vertically installing the hanging bracket in a sliding manner is welded on the regulation plate. On the basis of a solid line drawing function, dotted lines can be effectively drawn on a vehicle inspection road