Pesticide spraying device for corncob control

The utility model belongs to the technical field of corncob control, particularly relates to a pesticide spraying device for corncob control, and aims to solve the problems that the operation is complicated and the working labor intensity is increased due to the fact that a large pesticide machine is manually carried and pesticide spraying is manually operated in the conventional corncob control. Four lifting leg mechanisms are arranged at the four corners of the bottom of the top plate, power wheel mechanisms are arranged at the bottoms of the four lifting leg mechanisms, a pesticide liquid box is arranged at the top of the top plate, a pesticide pump is communicated with the pesticide liquid box, a pesticide liquid pipe is communicated with the pesticide pump, a pipeline is communicated with the pesticide liquid pipe, the pipeline is installed at the bottom of the top plate, and a plurality of spraying pipes are communicated with the bottom of the pipeline. The corn pesticide spraying device can be used for