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Dynamic analysis of indentation rolling resistance of steel cord rubber conveyor belt

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Abstract

To study the variation trend of the indentation rolling resistance of a rubber conveyor belt under different environmental temperatures, the sinusoidal compression displacement test was first carried out on the rubber matrix at six temperatures between -20 °C and 40 °C by a high and low temperature universal testing machine. Elastic modulus E1, E2 and loss factor tan θ of the rubber matrix were identified using the Fourier series. Then, the dynamic contact characteristics between the idling roller and conveyor belt were analyzed by the viscoelastic mechanics theory. Hence, the calculation equation of the indentation rolling resistance in the full thickness direction of the conveyor belt was deduced. Finally, a practical calculation and experimental verification of the indentation rolling resistance of the steel cord rubber conveyor belt at different temperatures were conducted. The results showed that the drop of the indentation rolling resistance of the conveyor belt was significant when the temperature was increased in the range of -20–10 °C. In the range of 10–40 °C, the influence of the increase of the ambient temperature on the indentation rolling resistance was relatively weak. Additionally, it is found that the contact force in the vertical direction and the idling roller diameter are important factors that affect the indentation rolling resistance of the conveyor belt. The influence of belt speed on the indentation rolling resistance is weak.

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Authors and Affiliations

  1. School of Mechanical Engineering, Liaoning Technical University, Fuxin, China

    Hong-yue Chen, Kun Zhang, Ming-bo Piao, Xin Wang & En-dong Li

  2. National Local Joint Mining Hydraulic Technology and Equipment Engineering Research Center, Liaoning Technical University, Fuxin, China

    Hong-yue Chen

  3. Dynamic Research for High-end Complete Integrated Coal Mining Equipment and Big Data Analysis Center, China National Coal Association, Fuxin, China

    Hong-yue Chen

Authors
  1. Hong-yue Chen
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  2. Kun Zhang
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  3. Ming-bo Piao
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  4. Xin Wang
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  5. En-dong Li
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Corresponding author

Correspondence to Kun Zhang.

Additional information

Recommended by Associate Editor Jin Woo Lee

Hongyue Chen received Ph.D. degree in School of Mechanical Engineering of Liaoning Technical University, Fuxin, China, in 2012. Now, he works in Liaoning Technical University. His current research interests include the energy consumption mechanism of the rubber conveyor belt, the machine vibration.

Kun Zhang received the master degree in School of Mechanical Engineering of Liaoning Technical University, Fuxin, China, in 2017. Now, he is a doctor candidate. His current research interests include the energy consumption mechanism of the rubber conveyor belt, the machine vibration.

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Chen, Hy., Zhang, K., Piao, Mb. et al. Dynamic analysis of indentation rolling resistance of steel cord rubber conveyor belt. J Mech Sci Technol 32, 4037–4044 (2018). https://doi.org/10.1007/s12206-018-0803-7

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  • DOI: https://doi.org/10.1007/s12206-018-0803-7

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