铝钢组合式抱杆稳定临界力计算及分析  

The Calculation and Analysis of the Critical Forces of Combined Aluminum-steel Holding Poles

作　　者：江明[1] 郭玉莹[1] 

机构地区：[1]国网北京电力建设研究院,北京市100055

出　　处：《电力建设》2006年第12期24-26,共3页Electric Power Construction

摘　　要：首先,对铝钢组合式抱杆的简化模型建立平衡方程;然后,根据边界条件建立特征方程,推导出其临界载荷计算公式;最后,根据临界载荷计算公式,计算出铝钢组合式抱杆的临界力与自重最大比值时的铝钢长度比及主材截面面积比,为铝钢组合式抱杆的优化设计提供理论依据。In this paper, equilibrium equations are set-up first based on simplified combined aluminum-steel holding pole model. Then, characteristic equations are derived based on boundary conditions and the critical load formulae are derived. Finally, based on the critical load formulae, the maximum ratio of critical forces to pole weight, the ratio of aluminum length to steel length and material cross -sectional area ratio are calculated to provide theoretical basis for optimized holding pole design.

关 键 词：铝钢组合式抱杆 稳定临界力 优化设计 

分 类 号：TM753[电气工程—电力系统及自动化]