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本文以国产ZJ45钻机为例,对具有高、低档二驱动链轮的滚筒轴工作应力变化情况作了较详的分析,并根据轴向诸段不同的应力变化规律,从理论上推导和建立了各段轴的疲劳强度计算式。
In this paper, the domestic ZJ45 drilling rig is taken as an example to make a detailed analysis of the working stress variation of the drum shaft with high and low grade two driving sprockets. According to the different stress variation rules of the axial sections, the paper theoretically deduces and establishes Fatigue strength of the shaft calculation formula.