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文章从理论上分析并论述了石油钻机转盘、水龙头主轴承在变载荷、变转速的条件下,需具有的实际动载荷,依此来核算所选定的轴承工作寿命。文章还指出,对大型的主轴承核算其静载荷的必要性。
The paper analyzes and discusses the actual dynamic load of the oil rig turntable and faucet main bearing under the condition of variable load and variable speed, and then calculates the working life of the selected bearing. The article also points out the necessity of calculating the static load on a large main bearing.