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为考核内燃机连杆在工作过程中的安全可靠性,需对其进行包括加载、疲劳在内的一系列测试试验。文中简要介绍了一组大型内燃机连杆测试的专用工装夹具,其结构简单,制作方便,并且用有限元软件Abaqus校核了该组合夹具各工况下的强度,最终用于试验,达到预期效果,其可行性和安全性也得到验证。文中的研究思路对同类设计具有借鉴的意义。
In order to assess the safety and reliability of the internal combustion engine connecting rod during working, a series of test tests including loading and fatigue are required. In this paper, a series of special tooling fixture for large-scale internal combustion engine connecting rod test is briefly introduced. Its structure is simple and easy to manufacture. The strength of the combined fixture under various working conditions is checked by the finite element software Abaqus, finally used in the experiment to achieve the desired effect , Its feasibility and safety have also been verified. The research ideas in this paper have reference significance for similar design.