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Peer-reviewedCC BY 4.0PLOS One

Research on impact dynamic characteristics of hydraulic column cylinder barrel

  • Jianzhuo Zhang1
  • Tao Wang2
  • Wenliang Li3
  • Chuanxu Wan
  • Hao Guo
  1. 1School of Mechanical Engineering, Liaoning Technical University, Fuxin City, Liaoning, China
  2. 2Shandong Yankuang Intelligent Manufacturing Co., Zoucheng City, Shandong, China
  3. 3Xinjiang Tianchi Energy Co., Ltd., Changji Hui Autonomous Prefecture City, Xinjiang, China
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Abstract

During the loading process of a hydraulic column, the magnitude and distribution of stress in the cylinder barrel are critical to the safety of the hydraulic column. Aiming at the problem of stress distribution in the cylinder barrel of a hydraulic column under liquid pressure, a mathematical model of cylinder barrel stress is established based on the thick-walled cylinder theory and the fundamental theory of rotating shells. It is concluded that the main factors affecting the stress distribution of the hydraulic column cylinder barrel are the inner diameter of the cylinder barrel, the wall thickness of the cylinder barrel, and the height of the rodless chamber of the column. Numerical simulation, response surface methodology, and experimental research are adopted. The results show that the stress of the hydraulic column cylinder barrel exhibits an “M-shaped” distribution, with the stress peak located at the bottom of the cylinder barrel and near the piston. Among the selected structural parameters, the difference between the stress peak of the cylinder barrel and the stress valley at the cavity is most significantly affected by the height of the rodless chamber, followed by the inner diameter of the cylinder barrel, while the influence of the cylinder barrel wall thickness is the smallest. Through the response surface prediction model, it is found that when the inner diameter of the cylinder barrel is 230 mm, the wall thickness is 20 mm, and the height of the rodless chamber is 795 mm, the “M-shaped” characteristic of the stress distribution in the cylinder barrel becomes more obvious, which provides useful guidance for the design and safety assessment of hydraulic columns.

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Cite

BibTeXRIS
BibTeX
@article{zhang2026research,
  title = {{Research on impact dynamic characteristics of hydraulic column cylinder barrel}},
  author = {Jianzhuo Zhang and Tao Wang and Wenliang Li and Chuanxu Wan and Hao Guo},
  journal = {PLOS One},
  year = {2026},
  month = nov,
  doi = {10.1371/journal.pone.0348487},
  url = {https://doi.org/10.1371/journal.pone.0348487},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Research on impact dynamic characteristics of hydraulic column cylinder barrel
AU  - Jianzhuo Zhang
AU  - Tao Wang
AU  - Wenliang Li
AU  - Chuanxu Wan
AU  - Hao Guo
PY  - 2026
DA  - 2026/11/06
JO  - PLOS One
DO  - 10.1371/journal.pone.0348487
UR  - https://doi.org/10.1371/journal.pone.0348487
AB  - During the loading process of a hydraulic column, the magnitude and distribution of stress in the cylinder barrel are critical to the safety of the hydraulic column. Aiming at the problem of stress distribution in the cylinder barrel of a hydraulic column under liquid pressure, a mathematical model of cylinder barrel stress is established based on the thick-walled cylinder theory and the fundamental theory of rotating shells. It is concluded that the main factors affecting the stress distribution of the hydraulic column cylinder barrel are the inner diameter of the cylinder barrel, the wall thickness of the cylinder barrel, and the height of the rodless chamber of the column. Numerical simulation, response surface methodology, and experimental research are adopted. The results show that the stress of the hydraulic column cylinder barrel exhibits an “M-shaped” distribution, with the stress peak located at the bottom of the cylinder barrel and near the piston. Among the selected structural parameters, the difference between the stress peak of the cylinder barrel and the stress valley at the cavity is most significantly affected by the height of the rodless chamber, followed by the inner diameter of the cylinder barrel, while the influence of the cylinder barrel wall thickness is the smallest. Through the response surface prediction model, it is found that when the inner diameter of the cylinder barrel is 230 mm, the wall thickness is 20 mm, and the height of the rodless chamber is 795 mm, the “M-shaped” characteristic of the stress distribution in the cylinder barrel becomes more obvious, which provides useful guidance for the design and safety assessment of hydraulic columns.
SN  - 1932-6203
ER  -