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全断面煤巷高效掘进机为我国首台煤矿井下用巷道断面一次成型高效掘进机,为了满足煤矿井下复杂工况的工作要求,需要对某些关键部位的螺栓联接进行详细设计和校核。
Full-face coal tunnel high-efficiency roadheader is the first high-efficiency roadheader in our country’s tunnel with underground roadway. In order to meet the work requirements of complex coal mine conditions, it is necessary to design and check the bolt connection of some key parts in detail.