Torque waveform analysis and fastening method on invalid thread of track bolt

6th Annual International Conference on Material Science and Engineering

Meng, Jianjun^1,2,3 ; Li, Decang^2 ; Fan, Bowen^2 ; Zhang, Yatong^2

Mechatronics T and R Institute, Lanzhou Jiaotong University, Lanzhou

730070, China^1

School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou

730070, China^2

Engineering Technology Center for Informatization of Logistics and Transport Equipment, Lanzhou

730070, China^3

关键词: Bolt fastening;    Euclidean distance;    Failure identification;    Fastening method;    Mathematic model;    Mechanical mechanisms;    Qualitative analysis;    Torque sensors;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/397/1/012118/pdf
DOI  :  10.1088/1757-899X/397/1/012118

来源: IOP

【 摘 要 】

Aiming at the problem of bolt fastening failure identification during bolt maintenance, the qualitative analysis of the mechanical mechanism of the track bolts was carried out, torque sensor was used to collect the data of the torque in different failure modes, three kinds of mathematic models, such as curve Euclidean distance, cluster analysis and regression statistical analysis, were established for the collected data. The failure forms of thread were analyzed one by one, and the analysis data was compared with the actual construction results. The experimental results show that the discriminant analysis results of the mathematical model are consistent with the actual construction results, which proves the accuracy and feasibility of the model to judge the failure form of the sample data.