Mechanical model of the drillcarriage with rotation and vibrating hammer for the new type taphole drill is established.
建立了新型开铁口机电动钻冲机构的力学模型，计算了它的固有频率和主振型。
2
The technology of lining by rail shuttering drillcarriage is emphatically introduced, which has a definite reference value to the lining construction of the shallow buried, under...
着重介绍了轨行式模板台车衬砌施工技术，对浅埋暗挖、大跨隧道衬砌施工，有一定的参考价值。
3
Mechanical model of the drillcarriage with rotation and vibrating hammer for the new type taphole drill is established. The natural frequencies and mode shapes of the model are calculated.