某新型低速柴油机连杆在样件加工完成后，先对连杆大端轴承孔进行尺寸测量，然后通过轴瓦挤压点实验，得到连杆大端挤压点值。采用有限元方法计算轴瓦挤压点，仿真计算结果与实验结果相符，仿真方法对实验进行了很好的验证和补充作用。通过在仿真模型中改变连杆大端连接螺栓位置，分析了连接螺栓位置对轴瓦挤压点影响规律。
After the sample processing of a new type of low speed engine connecting rod is completed, the dimension of the connecting rod bearing hole at the big end is measured, and then the crush point of the bearing bush is obtained by the experiment. Finite element method was applied to analyze the crush point of the shell, and the simulation results agree with experiments, which has a good validation and supplementary effect on the experiment. Then, the influence of the position of connecting bolts on the crush point of the shell is analyzed by changing the position of connecting bolts at the big end of connecting rod in the simulation model.
2020,42(2): 121-125 收稿日期：2019-02-28
DOI：10.3404/j.issn.1672-7649.2020.02.023
分类号：U664.121
基金项目：高技术船舶科研计划资助项目
作者简介：王奎(1988-),男,硕士,工程师,研究方向为发动机结构强度和疲劳分析
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