The stacking crane is a special equipment for the three-dimensional warehouse, with high handling speed and cargo access speed, which can complete the operation in and out of the warehouse in a short time, and the maximum operating speed of the stacking crane can reach 500m/min. The stacker crane itself is small in size, can operate in the narrow width of the roadway, and is suitable for high-rise shelf operation, which can improve the utilization rate of the warehouse