掘进机回转台疲劳寿命预测及影响因素研究

田立勇,张佳豪,于宁,于晓涵,张硕

Study on fatigue life prediction and influencing factors of roadheader rotary platform

Liyong TIAN,Jiahao ZHANG,Ning YU,Xiaohan YU,Shuo ZHANG

图7 回转台受力最大节点处的等效应力变化曲线

Fig.7 Variation curve of equivalent stress at the node with the maximum force on rotary platform