碳纤维复合材料受电弓杆件设计及工艺分析

Design and process analysis of pantograph member with carbon fiber composite material

铝合金受电弓在疲劳应力和环境应力作用下易出现焊缝开裂的问题,严重威胁列车运行的可靠性和安全性。文章采用碳纤维复合材料制作受电弓杆件,针对碳纤维复合材料的特性和受电弓杆件载荷条件,通过有限元仿真对受电弓杆件结构进行优化,减少受电弓杆件零件数量,提升受电弓杆件机械性能。根据受电弓杆件各部件结构的复杂性差异和受电弓杆件结构特点进行工艺分析,提升碳纤维复合材料受电弓杆件工艺成型效率和成品率。

The aluminum alloy pantograph is prone to cracking of welds under fatigue stress and environmental stress,which seriously threatens the reliability and safety of train operation.In this paper,the carbon fiber composite material is used to make the pantograph member.According to the characteristics of the carbon fiber composite material and the load conditions of the pantograph,the structure of the pantograph member is optimized through the finite element simulation,so as to reduce the number of the pantograph parts and improve the mechanical properties of the pantograph member.According to the complexity difference of each component structure of the pantograph member and the structural characteristics of the pantograph member,the process analysis is carried out to improve the process forming efficiency and yield of pantograph member with carbon fiber composite material.