Investigation into the Self-loosening Trend of Bolt Joints on the Tower Crane

被引:0
|
作者
Wang, ShengChun [1 ,2 ]
Ni, PeiWei [1 ,2 ]
Zhang, Ye [1 ,2 ]
Dong, MingXiao [1 ,2 ]
机构
[1] Shandong Jianzhu Univ, Sch Mech & Elect Engn, Jinan 250000, Peoples R China
[2] Shandong Univ, Sch Mech Engn, Jinan 250000, Peoples R China
关键词
Self-loosening of Bolt Joints; Yamamoto's Method; Friction Coefficient; Vibrational Frequency; Transverse Amplitude of Vibration;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, a three-dimensional finite element model is developed based on the joints on standard sections of tower crane QTZ5510. The validity of this finite element model is verified through the contrast of analytical results calculated by Yamamoto Method and simulated ones under the action of static pre-tightening force. Dynamic analysis is carried out for investigating the impacts of coefficients, including friction coefficients of thread interfaces and pressured surfaces of bolt joints, vibrational frequencies and amplitudes of external displacement on the self-loosening of bolt joints. It is of great significance for the safety and reliability of tower cranes.
引用
收藏
页码:1087 / 1095
页数:9
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