The Out-of-Plane Stability Analysis of Crane Jib with Two Symmetric Drawbars

被引：8
|
作者：
Lu, Nianli [1 ]
Chen, Ce [1 ]
Liu, Shiming [1 ]
机构：
[1] Harbin Inst Technol, Sch Mechatron Engn, Harbin 150006, Peoples R China
来源：
ADVANCED RESEARCH IN MATERIAL SCIENCE AND MECHANICAL ENGINEERING, PTS 1 AND 2 | 2014年 / 446-447卷
关键词：
Crane jib; Out-of-plane stability; Two symmetric drawbars; non-conservative force; Characteristic equation;
D O I：
10.4028/www.scientific.net/AMM.446-447.469
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The out-of-plane stability of the crane jib with two symmetric drawbars is studied. Differential equation with two non-conservative forces caused by the two symmetric drawbars is established in critical condition. According to the boundary conditions and proper parameter processing, the out-of-plane characteristic equation is obtained for the crane jib. Comparison with the ANSYS results verified the correctness of the method. And special cases are given to show the consistency of the method used in this paper and that with one drawbar given by the Chinese Design Rules for crane (GB3811-2008). The contribution of the angle between two symmetric drawbars to the out-of-plane stability of the crane jib is also discussed. The results show that, the crane jib with two symmetric drawbars has higher out-of-plane stability than that with one drawbar, and the increase of the angle between the two symmetric drawbars will lead to the significant increase of the out-of-plane stability of the crane jib.
引用
收藏
页码：469 / 473
页数：5
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