陕西科技大学学报(自然科学版)Issue(5):157-162,6.
塔式起重机附墙后塔身受力分析
Forces analysis on tower body of tower crane after attached to wall
摘要
Abstract
In order to verify the accuracy of a stress empirical algorithm for tower body of tower cranes after attached to wall ,the force situation of tower body of tower crane after at‐tached to wall was acted to improve the accuracy of stress calculation for tower body .Taking a tower crane′s model as an example ,firstly ,the stress of tower body was calculated by the empirical algorithm ,secondly ,the force situation of tower body was analyzed to be deduced the stress by theoretical stress analysis ,then ,more accurate stress of tower body was ob‐tained by finite element analysis ,finally ,the comparative analysis of the stress values ob‐tained by three methods was done .Comparative analysis results indicate that there was a big deviation between the results of empirical algorithm and finite element analysis ,the biggest deviation was 81 .8 MPa ,and that the results of theoretical stress analysis and finite element analysis were more closer ,the biggest deviation was only 8 .4 MPa .The error of the empirical algorithm is big ,and the empirical algorithm is needed to revise ,the theoretical stress analy‐sis and finite element analysis are recommended to use .关键词
塔式起重机/附墙/塔身/受力探讨Key words
tower crane/attached to wall/tower body/forces acting分类
机械工程引用本文复制引用
刘金,黄国健,卢立东,王新华,张桢,陈敏..塔式起重机附墙后塔身受力分析[J].陕西科技大学学报(自然科学版),2015,(5):157-162,6.基金项目
广东省安监总局安全生产重大事故防治关键技术科技项目(2015AQ);广东省质量技术监督局科技项目(20149702);广东省珠江科技新星专项项目(2013075);广东省特种设备科技协作平台科技计划项目 ()