Grain storage equipment

The invention belongs to the technical field of grain storage, and particularly relates to grain storage equipment which comprises a storage bin and an adding device for conveying grain outside the storage bin into the storage bin when the grain is stored, and an in-bin conveying mechanism designed by the invention is provided with a fifth conveying spiral sheet and a scraper which are positioned at the lower end of the storage bin and can rotate around the center of the storage bin; when the grains are transferred outwards, and the remaining grains in the storage bin cannot automatically enter a fifth conveying spiral piece to be conveyed out, namely, the remaining circle of grains at the bottom except for the fifth conveying spiral piece cannot be automatically conveyed out, a rocker is manually rocked from the outer side at the moment, so that a rotary conveying pipe rotates relative to a fourth conveying pipe; in the rotating process, the scraper is driven by the fixing ring to revolve around the fourth c