摘要
铁路起重机的底架通过心盘支承在两台转向架上,它的承载梁两端装有绕垂直轴摆动的支腿,受力情况比较特殊。本文利用SAP5结构分析程序按照三种不同的计算模式,进行底架的受力计算,并与实测值进行对比。认为以上车的载荷作为计算载荷,在刚性支承圈螺栓处加载,以支腿支承点作为约束的计算模式最符合实际。
The chassis frame of railway crane situated on bogies through their center plates and equipped at both ends of its load bearing beams with vertical swinging outriggers is particular in terms of its load condition. Using structure analysis program SAP5, this paper represents load calculation of chassis frame with 3 different calculation modes and compares calculation results with those of experiment. It is revealed that the calculation mode with loads from upper structure as calculation loads, applied through bolts of supporting ring and taking outriggers' supports as constraints is most close to the practical situation.
出处
《起重运输机械》
1993年第10期9-12,共4页
Hoisting and Conveying Machinery
关键词
铁路
起重机
底架
计算模式
Railway crane Chassis frame Calculation mode
