锚杆钻车机载临时支护的优化设计  

Optimization Design of Temporary Support of Roof Bolter

作　　者：吕继双 LYU Jishuang(Shanxi Tiandi Coal Mining Machinery Co.,Ltd.,Taiyuan 030006,China;China National Engineering Laboratory for Coal Mining Machinery,Taiyuan 030006,China)

机构地区：[1]山西天地煤机有限公司,太原030006 [2]煤矿采掘机械装备国家工程实验室,太原030006

出　　处：《煤炭技术》2023年第2期197-199,共3页Coal Technology

基　　金：山西省重点研发计划专项项目(2020XXX001);山西天地煤机装备有限公司面上项目(M2022-MS02)。

摘　　要：针对锚杆钻车对破碎顶板的临时支护能力弱的问题,开发了一种复合四连杆形式的临时支护结构,其显著特点是上连杆在升降过程中近似与顶板保持平行,且前后方向移动距离短。为了保证新型临时支护机构升降过程中的上连杆与水平面的夹角波动范围最小,以复合四连杆机构上的3个关键铰点坐标为设计变量,满足空间排布及机构升降行程为约束条件,上连杆与水平面夹角最小为优化目标,采用多体动力学分析软件进行优化设计。优化结果表明,优化目标在整个升降过程中变化范围降低了77.6%。根据优化结果,建立三维模型进行干涉检查及原理验证,确认了结果的可行性。In order to improve the temporary support ability of the roof bolter for the broken roof, a temporary support structure in the form of a composite four-bar linkage was developed. Its remarkable feature is that the upper link is approximately parallel to the top plate during the lifting process, and the moving distance in the front and rear directions is short. In order to ensure the minimum fluctuation range of the angle between the upper link and the horizontal plane during the lifting process of the new temporary support mechanism, the coordinates of the three key hinge points on the composite four-bar linkage are used as design variables, and taking the suitable spatial arrangement and the lifting stroke of the mechanism as the constraints. The minimum angle between the upper link and the horizontal plane is the optimization objective, and the multi-body dynamics analysis software is used for optimization design and calculation. The optimization results show that the variation range of the optimization objective is reduced by 77.6% during the whole lifting and lowering process. According to the optimization results, a three-dimensional model was established for interference inspection and principle verification,which confirmed the feasibility of the results.

关 键 词：锚杆钻车 临时支护 复合四连杆机构 参数化 优化设计 

分 类 号：TD421[矿业工程—矿山机电]