Force Analysis and Structural Optimization of ZY5000/15/30 Hydraulic Support Base for Mining
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摘要: 液压支架是矿井重要的支撑设备,支架底座作为液压支架的关键承载结构,在采煤过程中发挥着重要作用。文章以ZY5000/15/30 型液压支架为研究对象,并借助Ansys有限元软件,对其开展不同工况条件下的受力分析,得出造成应力集中的根本原因。再通过增加过桥钢板的厚度、削减侧板和肋板的厚度对液压支架的底座结构进行改进,最后对改进后的结构进行仿真分析。仿真验证结果表明:底座最大应力下降近60%,最大变形降低近20％,达到了预期效果,试验结果为矿井的安全生产提供了理论借鉴依据。Abstract: Hydraulic support is one of the most important supporting equipment in mine, and it plays a very important role in coal mining. Support base is the key bearing structure of hydraulic support. In this paper, the ZY5000/15/30 hydraulic support is studied, and the main reason of stress concentration is found by using ANSYS software. Through increasing the thickness of bridge plate and reducing the thickness of side plate and rib, the basic structure of hydraulic support is improved. The simulation results indicate that the maximum stress of the base is decreased by 60%, and the maximal deformation is decreased by 20%, which has reached the expected effect, and provides a theoretical reference for the safety production of the mine.
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