多激励下新型纵轴式掘进机的纵向振动特性预测

谢苗,石俊杰,张鸿宇,朱昀

Prediction of longitudinal vibration characteristics of new vertical-axis roadheader under multiple excitation

Miao XIE,Junjie SHI,Hongyu ZHANG,Yun ZHU

表2 掘进机振动位移的理论计算值与实测值对比 (mm)

Table 2 Comparison of theoretical calculation value and measured value of vibration displacement of roadheader

对比项 振动位移峰值 振动位移均方根值 截割头 截割臂 机身 截割头 截割臂 机身 相对误差/% 27.12 16.13 8.87 9.11 11.42 7.08 理论计算值 16.15 9.46 4.51 4.59 3.49 2.54 实测值 22.16 11.28 4.11 5.05 3.94 2.36