基于Midas/Civil的自动抹灰机非对称桁架优化设计与试验
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摘要
针对初步设计的自动抹灰机横移导轨非对称桁架需要轻量化和减小挠度、扭转变形等问题,采用专业钢架有限元软件Midas/Civil与双因素无重复试验相结合的方法,分析了非对称桁架在静恒载作用下的挠度、扭转变形量和强度等。通过对不同型号的方形钢管的组合验证,得到符合自动抹灰机横移支撑桁架的结构。最后通过试验证明了该方法的有效性,在满足桁架轻量化的同时,提升了桁架抗弯扭性能。专业钢架分析软件的使用方便了设计者的操作,提升了工作效率,对自动抹灰机的桁架设计具有重要的参考价值。
According to the preliminary design of the automatic plastering machine,the asymmetrical truss of traverse guideway needs to be lightweight and to reduce the deflection,torsional deformation and other issues. Using the combination of the professional steel finite element software Midas/Civil and two-factor non-repetitive experiment,deflection,torsional deformation and strength of asymmetric truss under static and constant load. Through the combination of different types of square steel pipe validation,get the automatic plastering machine supporting the truss structure. At last,the validity of the method is proved through experiments,and the truss' s flexural and torsional properties are improved while the weight of the truss is reduced. Professional steel analysis software to facilitate the use of the designer's operation,improve work efficiency,automatic plastering machine truss design has an important reference value.
According to the preliminary design of the automatic plastering machine,the asymmetrical truss of traverse guideway needs to be lightweight and to reduce the deflection,torsional deformation and other issues. Using the combination of the professional steel finite element software Midas/Civil and two-factor non-repetitive experiment,deflection,torsional deformation and strength of asymmetric truss under static and constant load. Through the combination of different types of square steel pipe validation,get the automatic plastering machine supporting the truss structure. At last,the validity of the method is proved through experiments,and the truss' s flexural and torsional properties are improved while the weight of the truss is reduced. Professional steel analysis software to facilitate the use of the designer's operation,improve work efficiency,automatic plastering machine truss design has an important reference value.
引文
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[2]KALE P M,BAGDE S T.To design and develop low cost automatic wall plastering machine[J].Research Journal of Engineering and Technology,2014,5(2):65-67.
[3]葛茂生,吴普特,朱德兰,等.基于ANSYS的轻小型移动式喷灌机组桁架杆件优化研究[J].节水灌溉,2013(11):62-65.
[4]金嘉琦,陈鸿飞,王显荣.车载式修井机桁架结构优化及模态分析[J].机械工程与自动化,2016(4):51-53.
[5]李文雄.桁架结构优化设计的满应力法仿真研究[J].计算机仿真,2012,29(1):395-398.
[6]陈晨,薛新宇,顾伟,等.喷雾机喷杆结构形状及截面尺寸优化与试验[J].农业工程学报,2015,31(9):50-56.
[7]赵国宝,杨骁,朱杰江.基于SAP 2000 API功能的桁架结构优化设计[J].钢结构,2010,25(9):52-56.
[8]GAO G,LIU Z,LI Y,et al.A new method to generate the ground structure in truss topology optimization[J].Engineering Optimization,2016,49(2):1-17.
[9]肖阿阳,王本利,金耀初.约束自适应桁架优化设计方法[J].振动与冲击,2015,34(14):188-193.
[10]陆金钰,沈圣,牛畅,等.基于免疫粒子群-齿行法的桁架结构分层优化[J].东南大学学报(自然科学版),2016,46(2):335-340.
[11]王同尊,秦义,张强,等.一种基于面向对象的桁架臂架建模方法[J].现代制造工程,2015(12):18-22.
[12]《轻型钢结构设计手册》编辑委员会.轻型钢结构设计手册[M].2版.北京:中国建筑工业出版社,2006.
[13]赵熙元,陈东伟,谢国昂.钢管结构设计[M].北京:中国建筑工业出版社,2011.
[14]康文梅.管桁架结构设计与施工[M].北京:中国建筑工业出版社,2012.
[15]建筑施工手册(第5版)编委会.建筑施工手册[M].5版.北京:中国建筑工业出版社,2013.