Telescopic pesticide spraying device for preventing and controlling diseases and insect pests of high arbor

The utility model provides a telescopic pesticide spraying device for high arbor pest control, which relates to the technical field of agricultural spraying equipment and comprises a moving seat and a liquid storage barrel, a rotating barrel is arranged at the top of the moving seat, the bottom surface of the rotating barrel is fixed with an output shaft of a servo motor, the liquid storage barrel is arranged in the rotating barrel, and a connecting pipe is arranged at the bottom of the liquid storage barrel. A linear sliding groove is formed in the side face of the rotating barrel, a fixing base is arranged at the position, close to the bottom face, of the rotating barrel, a power hydraulic cylinder is arranged on the top face of the fixing base, the movable end of the power hydraulic cylinder is connected with the surface of the end of the connecting pipe in a sleeved mode, and the rotating barrel drives the liquid storage barrel to rotate, so that the spraying pipe sprays liquid medicine under rotation of