HAO Zhiyong,PAN Ning,MENG Xingda,et al. Research on optimal design of automatic expansion device of pipe cables[J]. Journal of Mechanical Strength,2025,47(11):114-127.
HAO Zhiyong,PAN Ning,MENG Xingda,et al. Research on optimal design of automatic expansion device of pipe cables[J]. Journal of Mechanical Strength,2025,47(11):114-127. DOI: DOI:10.16579/j.issn.1001.9669.2025.11.014.
Research on optimal design of automatic expansion device of pipe cables
In view of some unstable factors in the working process of automatic expansion device of cables
such as the hydraulic cylinder support and frame were easy to deform
the optimization design was carried out. Static analysis of the automatic expansion device of the cable
finite element analysis of the hydraulic cylinder support and frame based on Workbench were carried out
the modal analysis was used to verify the establishment model
the optimization design of the finite element analysis results was carried out
the model parameterization
the design variables sensitivity analysis were carried out
and the Latin hypercube sampling method was used to pick points. The multi-objective function was optimized by multi-objective optimization genetic algorithm (MOGA)
and then the initial data was compared with the optimization results. The results show that the maximum equivalent stress and maximum deformation of hydraulic cylinder support is reduced by 24.95% and 19.03% respectively under mass reduction conditions. The maximum deformation of the frame is increased by 26%
and the maximum stress is reduced by 42%
which effectively improves the stable operation of the automatic expansion device.
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