Airing device for crops

The utility model relates to the technical field of crop airing. The utility model relates to an airing device, in particular to a crop airing device. The defect that an existing crop airing structureis difficult to transport and store is overcome. Bottom plate, a vertically-arranged sleeve rod is welded to the middle of the top of the bottom plate. A telescopic rod is arranged in the sleeve rodin a sleeving manner; one side of the bottom of the sleeve rod is connected with an adjusting rod through a bearing; the inner side of the bottom of the sleeve rod is connected with a threaded rod through a bearing; connecting rings are welded to the two sides of the top of the telescopic rod. The telescopic rod is movably connected with an airing tray through a connecting ring; a locking ring isfurther fixed to the top of the telescopic rod through a bolt. When airing is needed, the airing trays are opened, the locking rings are rotated, the locking plates welded to the two sides of the locking rings are made to clamp