Spraying device for spraying pesticide and killing insects for vegetable planting

The utility model relates to the technical field of agricultural equipment, in particular to a spraying device for pesticide spraying and insect killing for vegetable planting, which comprises a pesticide storage barrel, a submersible pump is placed in the pesticide storage barrel, a water outlet end of the submersible pump is connected with a double-head pipe, a liftable pesticide spraying pipe is connected above the double-head pipe, and a plurality of spray heads are connected to the bottom surface of the pesticide spraying pipe. The rear end and the front end of the pesticide spraying pipeare connected with a rear branch pipe and a front branch pipe respectively, and the bottom ends of the rear branch pipe and the front branch pipe are sleeved with supporting columns. The U-shaped pesticide spraying pipe is arranged above the vegetables distributed in a matrix mode, so that the vegetables on the inner side and the outer side can be uniformly sprayed with pesticide, meanwhile, thepesticide spraying pipe is