"几"字型双支撑高速逆流色谱转子系统的结构优化与性能分析
Structure optimization and performance analysis of a п-type double-supported high-speed countercurrent chromatography rotor system
陈嘉溢 1陈海军 2胡晓兵 2高云凯1
作者信息
- 1. 四川大学机械工程学院,成都 610065
- 2. 四川大学机械工程学院,成都 610065;宜宾四川大学产业技术研究院,宜宾 644000
- 折叠
摘要
转子系统是逆流色谱仪的核心部件之一,对高速逆流色谱仪高效分离功能的实现起着关键作用.针对现有技术下逆流色谱仪悬臂式安装存在重量大、解绕管易断裂及拆卸困难等问题,本文提出了一种"几"字型双支撑逆流色谱仪转子系统机械结构.以此为研究对象,本文通过Ansys Workbench仿真平台进行了静力学分析和模态分析.然后,基于SIMP变密度法,本文以提高结构刚度为优化目标、减小质量为约束,对"几"字型双支撑的行星架进行了拓扑优化.最后,本文对二次建模后的转子系统进行动静力学性能分析与疲劳分析,并试制了样机.仿真结果表明,经行星架优化后,转子系统各项性能均满足高速逆流色谱仪的设计要求,但质量与未优化前相比降低了 11.9%.本研究可望为高速逆流色谱仪的高效分离性能提供保障.
Abstract
Rotor system is one of the core components of countercurrent chromatograph and plays a key role in the realization of high efficiency separation function of high-speed countercurrent chromatograph.In this pa-per,aiming at the problems such as heavy weight,easy fracture of unwinding tube and difficult disassembly in cantilever installation of countercurrent chromatograph under existing technology,we propose a п-shaped mechanical structure for the double-supported rotor system of countercurrent chromatograph.Static analysis and modal analysis are conducted by using the Ansys Workbench simulation platform.Then,based on the SIMP variable density method,topological optimization of the п-shaped double supported planetary frame is carried out with the improvement of structural stiffness as target and the reduction of mass as constraint.Fi-nally,dynamic and static mechanical performance analysis and fatigue analysis are conducted for the rotor sys-tem by secondary modeling,a prototype is trial-produced.Simulation results show that the rotor system after the optimization of planetary frame meets the design requirements of high-speed countercurrent chromato-graph with 11.9%lower mass.It is expected that the obtained results can help for the efficient separation per-formance of high-speed countercurrent chromatograph.
关键词
高速逆流色谱仪/转子系统/动静力学性能/行星架/拓扑优化Key words
HSCCC/Rotor system/Dynamic and static properties/Planetary frame/Topology optimization引用本文复制引用
基金项目
国家自然科学基金(52305272)
中央高校基本业务费资助项目(2023SCU12085)
川大-宜宾校市战略合作项目(2020CDYB-3)
出版年
2024
国家科技期刊平台
NSTL
万方数据