Abstract
In order to study the influence of temperature on the indentation rolling resistance of belt conveyor, theoretical analysis, numerical simulation analysis and experimental study of conveyor belt indentation rolling resistance with temperature characteristics were carried out in this paper, and the influence rules of different factors on the indentation rolling resistance of belt conveyor were obtained. First, the three-component Maxwell model is chosen as the viscoelastic model for the conveyor belt rubber material, and the viscoelastic modulus function based on temperature effects is constructed from the DMA experimental data fitting. Second, we introduce the one-dimensional Winkler foundation model to derive a mathematical expression for the indentation rolling resistance based on temperature properties. Then, a mathematical model of the indentation rolling resistance of a conveyor belt with temperature characteristics is developed in MATLAB and numerical simulations are performed. Finally, using the existing experimental equipment to conduct experiments, the experimental results are compared with the numerical simulation result. The results show that the theoretical numerical simulation results of the indentation rolling resistance with temperature effect presented in this paper have a consistent change trend with the experimental results; at constant temperature and constant load, the indentation rolling resistance increases with increasing band velocity; at constant temperature and constant velocity, the indentation rolling resistance increases with increasing load; at constant load and speed, when the temperature is lower than 0 °C or higher than 25 °C, the rolling resistance increases with the increase of temperature, when the temperature is between 0 °C and 25 °C, the rolling resistance decreases gradually with the increase of temperature.
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Acknowledgments
This study is supported by the Shanxi Province Scientific and Technological Achievements Transformation Guidance Special Project “Research on Energy-saving Design of Long-distance Belt Conveyor” (No. 202104021301062) and the Basic Research Program of Shanxi Province (202203021211202), Shanxi Province Scientific and Technological Achievements Transformation Guidance Special Project “Research on Dynamic Characteristics and Drive System of Long-distance Belt Conveyor” (No. 202204021301060).
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Yuan Yuan is an Associate Professor at Taiyuan University of Science and Technology in Shanxi Province. She received her Ph.D. in Mechanical Engineering from Taiyuan University of Science and Technology. Her research interests include logistics equipment and its systems and logistics system planning.
Lidong Zhou is an Associate Professor at the School of Mechanical Engineering at Taiyuan University of Science and Technology. He received his Ph.D. in Ordnance Science and Technology from the Beijing Institute of Technology. His main research interests include design and characteristic analysis of continuous conveying machinery, fatigue fracture reliability and life evaluation method and experimental research of heavy equipment structure.
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Zhou, L., Wu, Z., Li, Y. et al. Temperature characteristics of indentation rolling resistance of belt conveyor. J Mech Sci Technol 37, 4125–4135 (2023). https://doi.org/10.1007/s12206-023-0729-6
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DOI: https://doi.org/10.1007/s12206-023-0729-6