Transfer device and cargo transfer storage system

The utility model provides a transfer device and a cargo transfer and storage system, relates to the field of cargo handling, and solves the technical problem of low working efficiency of a forklift relay cargo transfer and storage mode. The transfer device comprises a conveying mechanism and a walking track, the conveying mechanism comprises a fixed section and a movable section, one of the fixed section and the movable section extends into the other one of the fixed section and the movable section and is in sliding connection with the fixed section and the movable section, and conveying parts used for conveying goods are arranged on the fixed section and the movable section; the walking track is fixedly arranged, the moving section is pulled or pushed, and the moving section can move along the walking track, so that the extension length of the conveying mechanism is adjusted; when goods need to be transferred, the movable section is manually pulled, the movable section and the fixed section relatively slide