基于单轴拉伸试验机的双轴拉伸装置的研制与分析  

Development and analysis of a biaxial tensile device based on a uniaxial tensile testing machine

作　　者：林明明 李品豫 雷智扬 刘志博 宁惠君[1] LIN Mingming;LI Pinyu;LEI Zhiyang;LIU Zhibo;NING Huijun

机构地区：[1]河南科技大学土木建筑学院,河南洛阳471000

出　　处：《现代机械》2024年第6期48-53,共6页Modern Machinery

基　　金：河南科技大学高等教育教学改革研究与实践项目(2024BK074,2024BK021);国家级大学生创新创业训练计划支持项目(202310464034);教育部供产学研合作育人项目(231107555150411)。

摘　　要：在实际工程中,受力部件常常处于复杂的应力状态,为研究材料沿不同方向的力学性能,设计了一种基于单轴拉伸试验机的可装配式双轴拉伸装置。该装置具有多个基座和多个滑杆槽组件,可以同时满足单轴拉伸试验需求和双轴拉伸试验需求。首先介绍了双轴拉伸装置的基本结构和运动机理,然后利用SolidWorks三维建模和ANSYS Workbench仿真的联合技术,采用瞬态动力学方法对双轴拉伸装置进行了有限元分析。根据仿真结果,基于响应面法(RSM)对双轴拉伸装置进行了优化设计,以提高装置的安全性与可靠性。经过多次优化,得到了最佳优化方案。In practical engineering,the stress components are usually in complex stress states.In order to study the mechanical properties of materials in different directions,a biaxial tensile device based on a uniaxial tensile testing machine is designed.The device has multiple bases and multiple slider slot components,which can meet the requirements of uniaxial tensile test and biaxial tensile test at the same time.The basic structure and motion mechanism of the biaxial tensile device are introduced,and the combined technology of SolidWorks 3D modeling and ANSYS Workbench simulation is used to conduct finite element analysis of the biaxial tensile device by transient dynamics method.According to the simulation results,the biaxial tensile device is optimized based on the response surface method(RSM)to improve its safety and reliability,and the optimal scheme is obtained.

关 键 词：双轴拉伸装置 结构设计 瞬态动力学 有限元分析 优化设计 

分 类 号：TH871[机械工程—仪器科学与技术]