按承重可以分为：按结构为横梁与立柱组装而成的货架，每层承重800KG以上即为重型货架，用横梁与立柱组装成的重型货架即为横梁式重型货架。

Crossbeam type heavy-duty shelves can be divided into: according to the structure, the shelves assembled by crossbeams and columns, each layer bearing more than 800kg is heavy-duty shelves, and the heavy-duty shelves assembled by crossbeams and columns are crossbeam type heavy-duty shelves.