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Simulation of travelling performance and experimental research on heavy double crawlers on a soft ground

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Abstract

This study analyzes resistances to sinking, steering bulldozer, steering friction, running, climbing, inertia, and wind and considered the offsetting effects of instantaneous center of speed and center of mass based on the sinkage method proposed by Bekker. The purpose of the analysis is to show the calculation method for the driving power of crawlers under different working conditions. The influence of several performance factors were analyzed to calculate the steering performance of a dumping machine with heavy double crawler. The performance factors include steering radius, offset mass, width-to-length ratio, crawler width wider than the interior and lateral, caterpillar gauge in crawler drive, drive power, and steering torque friction. These factors are involved in driving wheels at a crawler speed of 3.33 RPM. The law of operation for heavy crawlers under different working conditions is obtained by performing a real vehicle test. The results of this test are compared with the theoretical calculations to verify correctness. Such a test provides important theoretical basis for theoretical modeling and for analyzing the performance of large crawlers running on soft ground.

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Authors and Affiliations

  1. College of Instrumentation and Electrical Engineering, Jilin University, Changchun, 130061, China

    Guanyu Zhang

  2. School of Mechanical Science and Engineering, Jilin University, Changchun, 130022, China

    Xinhui Liu, Shuai Wang & Guoqiang Wang

Authors
  1. Guanyu Zhang
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  2. Xinhui Liu
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  3. Shuai Wang
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  4. Guoqiang Wang
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Corresponding author

Correspondence to Shuai Wang.

Additional information

Recommended by Editor Yeon June Kang

Shuai Wang received his B.S. degree (2013) from Changchun University of Science and Technology. He is currently a Ph.D. candidate at the School of Mechanical Science and Engineering at Jilin University. His major area is modern mechanical design theory and method.

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Zhang, G., Liu, X., Wang, S. et al. Simulation of travelling performance and experimental research on heavy double crawlers on a soft ground. J Mech Sci Technol 31, 501–514 (2017). https://doi.org/10.1007/s12206-017-0103-7

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  • DOI: https://doi.org/10.1007/s12206-017-0103-7

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