Grain warehousing lifting alarm device

The invention discloses a grain warehousing lifting alarm device, and belongs to the technical field of grain warehousing equipment cleaning alarm devices, the grain warehousing lifting alarm device comprises a cart with rollers at the bottom, the cart is provided with a surface dust removal mechanism, the surface dust removal mechanism comprises a longitudinal electric push rod, and a cantilever is connected with a high-pressure jet assembly and a camera. After grain warehousing operation is finished, the alarm device moves through the cart, high-pressure air flow is sprayed to the surface of the grain cleaning machine through the surface dust removal mechanism which is connected to the cart and has the alarm function, and the surface dust removal mechanism can remove dust in the grain cleaning machine in the process of spraying the high-pressure air flow to the surface of the grain cleaning machine. Whether a connector connected with the input end of the gas nozzle rotates reversely and looses relative to t