The pallet conveying system is designed to realize the automatic transmission of storage and logistics. It is a high-efficiency heavy-duty conveying equipment to realize automatic loading and unloading of palletized goods. The system equipment is mainly composed of roller (chain type), roller (chain) Type) cross-exchange, tray release (recovery) shuttle sorting carts and other functional modules equipment. System equipment with good stability, strong transport capacity, smooth and reliable operation, simple structure, easy to maintain features.