The main task of Chuxiong Lufeng Changhong Excavator Training School is to master the knowledge and skills learned, master the experience of excavator factory and cultivate practical talents with practical experience. Methods The excavator can effectively prevent wear at high temperature. Accelerating structural deformation; Prevent the backfill of buried low-temperature sundries. The excavator is set to open and close as needed. The serial customization of excavators ensures the stability, economy and operability of excavator traffic and working conditions. It can be installed on a highly automated platform.