基于可靠性視角下的液壓支架頂梁的輕量化設(shè)計
發(fā)布時間:2018-05-27 13:44
本文選題:液壓支架 + 輕量化。 參考:《礦業(yè)研究與開發(fā)》2017年04期
【摘要】:針對液壓支架頂梁笨重、耗材的弊端,提出了基于ANSYS/OPT模塊的輕量化設(shè)計方法。輕量化設(shè)計前的頂梁最大米塞斯應(yīng)力為933.67 MPa,超出材料的許用應(yīng)力,應(yīng)用ANSYS/OPT模塊對頂梁進行結(jié)構(gòu)尺寸優(yōu)化,使其在滿足液壓支架設(shè)計準(zhǔn)則的前提下,對原有的頂梁模型進行改造,改造后的頂梁最大等效應(yīng)力為632.667 MPa,整體質(zhì)量減少了12.27%;最后利用ANSYS/PDS模塊對優(yōu)化后的頂梁的可靠度進行近似計算,結(jié)果表明頂梁的可靠度為97.8%,滿足工程要求,為頂梁的優(yōu)化設(shè)計提供了科學(xué)依據(jù)。
[Abstract]:A lightweight design method based on ANSYS/OPT module is proposed to solve the drawback of heavy top beam and consumable material of hydraulic support. The maximum Mises stress of the top beam before lightweight design is 933.67 MPA, which exceeds the allowable stress of the material. The ANSYS/OPT module is used to optimize the structure size of the top beam, so that the original top beam model can be modified on the premise of satisfying the design criteria of hydraulic support. The maximum equivalent stress of the retrofitted beam is 632.667 MPA, and the whole mass is reduced by 12.27%. Finally, the reliability of the optimized top beam is approximately calculated by using ANSYS/PDS module, and the result shows that the reliability of the top beam is 97.8, which meets the engineering requirements. It provides a scientific basis for the optimum design of the top beam.
【作者單位】: 南京工業(yè)大學(xué)機械與動力工程學(xué)院;
【分類號】:TD355.4
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本文編號:1942348
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