Beam type three-dimensional warehouse device and fault processing method of beam type three-dimensional warehouse

The invention relates to a beam type three-dimensional warehouse device and a fault processing method of a beam type three-dimensional warehouse. The device comprises a storage mechanism, the storage mechanism comprises a plurality of bearing units, each bearing unit comprises at least two oppositely-arranged stand columns, and the at least two oppositely-arranged stand columns are provided with multiple layers of cantilevers in the vertical direction of the outer sides; the storage mechanism is used for storing beam parts; the operation mechanism comprises a protection unit and an operation unit, the protection unit is arranged at the end of the storage mechanism, the operation unit comprises multiple layers of operation platforms, and the operation platforms are arranged between every two adjacent oppositely-arranged stand columns and connected with the multiple sets of bearing units; the conveying mechanism comprises a sliding rail, a lifting hook and a pulley, and the conveying mechanism is arranged at th