螺旋轴式移箱机构多学科协同优化与试验

doi:10.3969/j.issn.1004-1524.2018.11.19

浙江农业学报 ›› 2018, Vol. 30 ›› Issue (11): 1946-1957.DOI: 10.3969/j.issn.1004-1524.2018.11.19

螺旋轴式移箱机构多学科协同优化与试验

储婷婷, 朱德泉^*, 朱宏, 张顺, 蒋锐, 张俊

安徽农业大学工学院,安徽合肥 230036

收稿日期:2018-02-02 出版日期:2018-11-25 发布日期:2018-12-21
通讯作者: 朱德泉,E-mail: dqzhu@sina.com
作者简介:储婷婷(1994—),女,安徽安庆人,硕士研究生,研究方向为现代农业装备技术。E-mail: 1483083812@qq.com
基金资助:
国家自然科学基金(51575003);国家农业科技成果转化项目(2014C30000162)

Multidisciplinary collaborative optimization and experiment of screw axis type moving-box mechanism

CHU Tingting, ZHU Dequan^*, ZHU Hong, ZHANG Shun, JIANG Rui, ZHANG Jun

School of Engineering, Anhui Agricultural University, Hefei 230036, China

Received:2018-02-02 Online:2018-11-25 Published:2018-12-21

摘要/Abstract

摘要： 为了提高螺旋轴式移箱机构整体性能,开展了螺旋轴式移箱机构多学科协同优化研究,分析了螺旋轴式移箱机构运动学、动力学和结构力学等学科性能,确立了多学科设计优化策略,并采用灵敏度分析方法,筛选出各学科设计变量。以螺旋轴一阶模态、机构接触力和质量为目标函数,构建了螺旋轴式移箱机构多学科协同优化模型。基于iSIGHT软件,搭建了移箱机构多学科设计协同优化集成平台,采用序列二次规划法进行了优化,并对结果进行了验证。结果表明,螺旋轴一阶模态由236.428 Hz提高到261.773 Hz,增加了10.72%;移箱机构工作时的最大接触力由479.832 N减小至402.528 N,降低了16.11%,减少了应力磨损;机构的质量由2 126.17 g减小至1 773.57 g,降低了16.58%,在降低质量的同时,提高了机构运行的平稳性和精准性,有效提高了移箱机构的综合性能。

关键词: 移箱机构, 螺旋轴, 多学科优化, 协同优化

Abstract: In order to improve the overall performance of the axis axle type moving-box mechanism, taking the axis axle type moving-box mechanism as the research object, the paper used multidisciplinary optimization design method, and integrated several intercoupling disciplinary parameters exerting significant influences on product performance into a common optimization platform for global optimization, so as to realize the optimal coupling of design parameters and the optimal overall design of product. The maximum of the first natural frequency of the axis axle, the minimum of the contact stress between sliding sleeve and spiral shaft, the minimum of the mass of the mechanism were chosen as the objects of the optimization design, and corresponding optimization models were built respectively according to dynamics, kinematics and structural mechanics problems. And then, iSIGHT was taken as the integrated optimization platform to integrate ANSYS and ADAMS, and collaborative optimization mathematical modeling was applied to complete integration and solution, so as to achieve multi-object optimization design of the axis axle type moving-box mechanism. The optimization results showed the first natural frequency was increased by 10.72%. The maximum contact force was decreased by 16.11% and the mass of the mechanism was reduced by 16.58%. The performance of the optimized the axis axle type moving-box mechanism was significantly improved.

Key words: moving-box mechanism, screw axis, multidisciplinary design optimization, collaborative optimization

中图分类号:

S223.91⁺1

储婷婷, 朱德泉, 朱宏, 张顺, 蒋锐, 张俊. 螺旋轴式移箱机构多学科协同优化与试验[J]. 浙江农业学报, 2018, 30(11): 1946-1957.

CHU Tingting, ZHU Dequan, ZHU Hong, ZHANG Shun, JIANG Rui, ZHANG Jun. Multidisciplinary collaborative optimization and experiment of screw axis type moving-box mechanism[J]. , 2018, 30(11): 1946-1957.

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螺旋轴式移箱机构多学科协同优化与试验

Multidisciplinary collaborative optimization and experiment of screw axis type moving-box mechanism

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