Conventional racking systems mainly refer to various racking systems for manual storage and forklift storage operations in various fields of industry and commerce. Goods can be directly stored, packaged, stored in bins, and stored in trays. The angle is divided into industrial shelves and commercial shelves (mainly supermarket shelves). According to the layer loading of the shelves, it can be divided into light shelves, medium shelves, and heavy shelves. From the perspective of structural characteristics, it can be divided into shelf shelves. , Heavy beam pallet racks, narrow aisle pallet racks, mobiles racks, loft racks, steel structure platforms, cantilever racks, drawer racks, warehouse racks, etc .; shelf racks can also be called light racks Plate shelf, medium shelf shelf, heavy shelf shelf. Conventional shelves are widely used in various industries and various uses. Light and medium shelves are mainly used for storage and access of light and medium-sized items such as commercial retail, books, e-commerce, and electronic products. Manual access; heavy shelves are mainly used for access to various industrial heavy goods and some warehouse supermarkets. The storage of items is generally based on pallets or bins, which are accessed by forklift operations. .