基于不同工况的矿用液压支架掩护梁有限元分析  

Finite Element Analysis of Mining Hydraulic Support Cover Beam Based on Different Working Conditions

作　　者：李小龙 Li Xiaolong(Shanxi Coking Coal Xishan Coal Power Xiegou Mine,Lyuliang Shanxi 030600,China)

机构地区：[1]山西焦煤西山煤电斜沟矿,山西吕梁030600

出　　处：《机械管理开发》2024年第7期151-153,共3页Mechanical Management and Development

摘　　要：以煤矿常用的ZY3800型液压支架为研究对象,利用SolidWorks及ANSYS软件建立液压支架的立体几何模型,并通过ANSYS软件对支架掩护梁结构开展不同工况下强度及刚度的有限元分析,结果表明,掩护梁在扭转工况下出现了明显的应力集中现象,最大应力值达到了569.28 MPa,超出了材料的屈服极限。通过加厚前端盖板及筋板厚度的方式对掩护梁应力集中部位进行优化,使扭转工况下掩护梁的应力最大值下降了44.48%,最大形变量减少了11.32%。此次结构优化使掩护梁结构在扭转工况下的最大应力降低到了材料屈服强度以下,为保障企业的安全生产工作提供了坚实的理论依据。Taking the ZY3800 hydraulic support commonly used in coal mines as the research object,the three-dimensional geometry model of the hydraulic support was established by using SolidWorks and ANSYS software,and the finite element analysis of strength and stiffness under different working conditions was carried out on the structure of the support cover beam by using ANSYS software,and the results showed that the cover beam showed obvious stress concentration phenomenon under the torsion condition,and the maximum stress value reached 569.28 MPa,which exceeded the yield value of the material.The maximum stress value reached 569.28 MPa,which exceeded the yield limit of the material.By thickening the thickness of the front cover plate and fascia plate,the stress concentration of the cover beam was optimized,so that the maximum stress value of the cover beam under the torsional condition was reduced by 44.48%,and the maximum deformation was reduced by 11.32%.This structural optimization reduces the maximum stress of the cover beam structure under torsion condition to below the yield strength of the material,which provides a solid theoretical basis for guaranteeing the safe production work of the enterprise.

关 键 词：掩护梁 液压支架 有限元分析 结构优化 

分 类 号：TD355.4[矿业工程—矿井建设]