Due to the rapid development and application of the Internet and big data, China's logistics market has also ushered in an important stage of transforming intelligent logistics, and the market scale of intelligent logistics has reached the level of hundreds of billions. The main body of automated storage is composed of racks, stacking cranes, work platforms and operation control systems. The tunnel stacking crane runs through the tunnel between the shelves. Stacker crane walking and fork drive adopt sealed box and grease lubrication scheme, which is safer and more convenient to use. The input stage of the planetary reducer of the lifting mechanism adopts the planetary mechanism, which has no risk of tooth broken, and is more reliable and durable.