柴油机螺栓扭矩载荷特性分析与紧固规范研究  

Bolt Torque-load Characteristics and Fixed Standard Study for the Diesel Engine

作　　者：陈泽忠[1] 张忠伟[1] 姚亮宇[1] 刘宇强[1] 

机构地区：[1]中国北方发动机研究所,山西大同037036

出　　处：《铁道机车车辆》2011年第B10期286-288,共3页Railway Locomotive & Car

摘　　要：在柴油机常规装配条件下,采用应变电测的方法,对螺栓连接的扭矩载荷特性进行试验分析,获得了比较稳定的螺纹副摩擦系数值,最大偏差在5%以内,满足工程需求,实现了螺栓连接扭矩载荷特性的"精确"计算;在此基础上,应用螺栓与被连接件刚度求解方法,给出了螺栓转角紧固时控制角度的计算方法,实现了螺栓紧固规范的计算和预测。In the diesel engine assembly condition,strain electric bolt connection of torque-load characteristics is analyzed by measuring strain electric.The relatively stable friction coefficient is obtained,and the biggest measurement error is less than 5%.The results meet engineering demand.The engineering bolt connection torque-load characteristics of the precise calculation is realized.By using the methods of solving stiffness bolt corner and the calculation method of the fixed control angle.The bolts fixed standard calculation and prediction is realized.

关 键 词：柴油机 螺栓 扭矩载荷特性 摩擦系数 转角法 

分 类 号：TK423.32[动力工程及工程热物理—动力机械及工程]