|本期目录/Table of Contents|

[1]郑贤中,邵泽亮,於潜军.隧道救援吊车机臂的结构分析[J].武汉工程大学学报,2016,38(06):599-604.[doi:10. 3969/j. issn. 1674-2869. 2016. 06. 016]
 ZHENG Xianzhong,SHAO Zeliang,YU Qianjun.Structural Analysis of Tunnel Rescue Crane Boom[J].Journal of Wuhan Institute of Technology,2016,38(06):599-604.[doi:10. 3969/j. issn. 1674-2869. 2016. 06. 016]
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隧道救援吊车机臂的结构分析(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
38
期数:
2016年06期
页码:
599-604
栏目:
机电工程
出版日期:
2016-12-15

文章信息/Info

Title:
Structural Analysis of Tunnel Rescue Crane Boom
作者:
郑贤中1邵泽亮1於潜军2
1. 武汉工程大学机电工程学院 ,湖北 武汉 430205; 2. 武汉江汉化工设计有限公司 ,湖北 武汉 430223
Author(s):
ZHENG Xianzhong 1SHAO Zeliang  1YU Qianjun  2
1.School of Mechanical and Electrical Engineering,Wuhan Institute of Technology,Wuhan 430205,China; 2.Wuhan Jianghan Chemical Design Co. , Ltd,Wuhan 430223,China
关键词:
吊车机臂结构分析有限元
Keywords:
crane boomstructural analysisfinite elements
分类号:
TH213.1
DOI:
10. 3969/j. issn. 1674-2869. 2016. 06. 016
文献标志码:
A
摘要:
为了在设计阶段确定隧道救援吊车在起吊过程中机臂的变形情况和应力分布以及应力集中点位置,使用有限元法对作业状态下的机臂进行数值模拟. 利用ANSYS软件完成了机臂在3种工况下(仅考虑自重;自重和15 t起吊载荷;自重和60 t起吊载荷)的强度及刚度计算,并基于强度分析和刚度分析对机臂进行了安全评定. 结果表明:不同工况下,应力具有相似的分布规律,最大应力出现在机臂与支柱接触点附近以及耳梁与机臂腹板连接处,可以通过加厚耳梁翼板和腹板、增加支撑板数量、使用强度等级更高的材料来提高机臂的强度和刚度.
Abstract:
To determine the tunnel rescue crane deformation condition of boom,and the stress distribution and the stress concentration in the lifting process at the design stage, the numerical simulation calculations have been carried out to analyze the operating state of the crane boom by the finite element method. The calculation of strength and stiffness of crane boom under the three load cases (dead weight, dead weight plus 15 t lifting loads, dead weight plus 60 t lifting loads)-were completed by using ANSYS software, and then the safety assessment of the boom was performed based on?strength and stiffness analysis. The results show that the stress distribution is similar under different working conditions. Moreover, the maximum stress appears near the contact point of boom and pillar, the junction of beam with lifting eyes and boom?web. To improve the strength and stiffness of the crane boom, we should thicken the flange and?web of beam with lifting eyes, increase the number of support plates and use high strength materials.

参考文献/References:

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备注/Memo

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更新日期/Last Update: 2016-12-23