Electrostatic spraying device carried on plant protection unmanned aerial vehicle

The electrostatic spraying device carried on the plant protection unmanned aerial vehicle comprises a liquid storage box, a transfer box is fixedly arranged on the lower surface of the liquid storage box, a spraying box is fixedly connected to the tail end of the transfer box, four hoses are fixedly arranged on the lower surface of the spraying box, and nozzles are connected to the tail ends of the four hoses; a first gear shaft transversely penetrates through the surface of the spray head, a first gear is fixedly arranged at the tail end of the first gear shaft, and a driving assembly is fixedly arranged on the side wall of the liquid storage box and used for driving the connecting rod to move. According to the spraying device, the driving assembly is arranged and drives the ejector rod to move up and down, so that the effect of pressurizing the interior of the spraying box is achieved, the effect of atomizing sprayed liquid medicine is achieved, the driving assembly drives a first rack to reciprocate, and t