往复活塞式空压机连杆有限元分析与结构优化研究  

The Finite Element Analysis and Structure Optimization Study of the Reciprocating Piston Air Compressor's Connecting Rod

作　　者：刘晓叙[1] 肖迪[1] 蒲虎[1] 

机构地区：[1]四川理工学院机械工程学院,四川自贡643000

出　　处：《四川理工学院学报（自然科学版）》2015年第2期18-20,25,共4页Journal of Sichuan University of Science & Engineering(Natural Science Edition)

基　　金：过程装备与控制工程四川省高校重点实验室(GK201307)

摘　　要：基于Solid Works软件和产品设计图纸,对某型两级压缩、双缸双作用空压机的曲柄连杆机构进行了3D造型和装配。在此基础上,完成了动力学仿真,得到了连杆的工作载荷;完成了连杆在拉、压两种载荷下的有限元分析;根据有限元计算结果,在保证连杆应力不超过材料许用应力的基础上,对连杆的几何结构尺寸进行了优化设计。优化设计后,连杆的质量减轻12.5%,分析计算的结果为企业的产品改进设计提供了依据。Based on the SolidWorks software and design drawings of product, the crank connecting rod mechanism of the air compressor with two stages compressing, two cylinders and double actions is assembled and sculpted with 3D. Based on this, the dynamics simulation of the model is completed, and the load of connecting rod is got. Then the finite element analy- sis of connecting rod under pull and press is completed. According to the calculation results and based on the principle that the stress being small than the material allowable stress, the optimization design of connecting rod＇s geometry size is carried on. The weight of connecting rod is reduced by 12.5% after optimization, and the analysis results can be used as the refer- ence to improve the design of the air compressor.

关 键 词：空压机 连杆 有限元分析 结构优化 

分 类 号：TH4[机械工程—机械制造及自动化]