煤炭工程 ›› 2022, Vol. 54 ›› Issue (7): 134-139.doi: 10.11799/ce202207024

• 研究探讨 • 上一篇    下一篇

刮板输送机圆环链拓扑与响应面优化研究

梁超,李博,王子升,高宇杰,李嘉浩,王学文   

  1. 1. 太原理工大学煤矿综采装备山西省重点实验室
    2. 太原理工大学
    3. 太原理工大学虎峪校区煤机楼
    4. 太原理工大学机械工程学院
  • 收稿日期:2021-10-10 修回日期:2021-12-28 出版日期:2022-07-15 发布日期:2022-07-20
  • 通讯作者: 王学文 E-mail:wxuew@163.com

Research on Optimization of Topology and Response Surface of Scraper Conveyor Round Chain

  • Received:2021-10-10 Revised:2021-12-28 Online:2022-07-15 Published:2022-07-20

摘要: 为实现刮板输送机圆环链轻量化,同时改善链环间的接触状态,采用ANSYS Workbench对圆环链进行有限元接触分析,并运用拓扑优化结合响应面优化方法对链环结构进行了优化研究。研究结果表明:在圆环链受拉过程中,在链环间的接触部位以及链环直圆柱和圆环间的过渡连接部位存在明显的应力集中现象,等效应力和等效应变的最大值分别为400.04MPa和0.00195。拓扑优化在不损害链环刚度的前提下使链环质量由2.841kg降为2.733kg,减少了3.80%,但未改善其接触状态|在拓扑优化的基础上利用响应面优化对链环进行二次优化,链环自重降为2.743kg,降低了3.45%,同时链环的最大等效应力和最大等效应变也分别降低了6.08%和6.67%,改善了接触状态。

关键词: 刮板输送机, 圆环链, 有限元法, 拓扑优化, 响应面优化

Abstract: In order to reduce the weight of the round link chain of the scraper conveyor and improve the contact state between the links, the finite element contact analysis on the round link chain was carried out through ANSYS Workbench, and the topology optimization collaborative response surface optimization method was used in the optimization research of the chain link. The research results show that: during the tension of the circular chain, there are obvious stress concentration phenomena at the contact parts between the two links and the transitional connection between the straight cylinders and the circular links, and the maximum equivalent stress and equivalent strain are 400.04 MPa and 0.00195 respectively. Without compromising the stiffness of the chain link, topology optimization reduces the mass of the chain link from 2.841 kg to 2.733 kg, which is a reduction of 3.70%, but does not improve its contact state; On the basis of topology optimization, response surface optimization is used to perform the second optimization on the chain link. And response surface optimization reduces the weight of the chain link to 2.743 kg, which is a reduction of 3.35%. At the same time, the maximum equivalent stress and maximum equivalent strain of the link are also reduced by 6.08% and 6.67%, respectively, which improves the contact state.

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