Plant protection unmanned aerial vehicle liquid medicine placing frame

The utility model relates to the technical field of unmanned aerial vehicle equipment, and discloses a plant protection unmanned aerial vehicle liquid medicine placing frame which comprises a frame body, a cavity is formed in the frame body, an engine is detachably installed in the cavity, the frame body is rotationally sleeved with a liquid medicine barrel, a driving assembly is arranged outside the liquid medicine barrel, and a spray head is installed at one end of the liquid medicine barrel. A feeding port is formed in the other end of the liquid medicine barrel and penetrates through the frame body, at least one group of scrapers are fixedly inserted into the liquid medicine barrel, and the scrapers are in contact with the outer wall of the frame body. According to the scheme, heat generated when the engine works can be used for heating liquid medicine, the activity of the liquid medicine is improved, the influence of air cold flow on the liquid medicine is reduced, the liquid medicine can be stirred, the