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Effect of grouser height on tractive performance of tracked mining vehicle

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Abstract

The aim of this study is to establish a single track shoe with grouser driving model to optimize the track structural parameters and improve the tractive performance of the tracked mining vehicle on soft sediments. The calculation formula of each component force and total driving force about grouser height was obtained through theoretical analysis. The basic parameters and the relationship of mechanical properties for computer simulation were also obtained by the testing experiment using soil simulation whose main physical and mechanical properties are close to the deep-sea sediments. The computer simulation results show that the total driving force of the track improved rapidly with the increases of the grouser height and the slip rate. It keeps rising until it reaches a maximum value. And then it will maintain a steady value when the slip rate exceeds 40 %. The total driving force also improved with the increase of the ratio (slip rate/grouser height). When the grouser height is in the range of 0–15 cm, the total driving force keeps increasing gradually with the increase of the slip rate until it reached the stable state. When the grouser height is in the range of 15–30 cm, the total driving force keeps increasing to a maximum value rapidly with the increasing of slip rate first, and then keeps decreasing gradually. The greater the increase of grouser height, the faster the decrease of the total driving force.

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Acknowledgments

Project supported by The National High Technology Research and Development Program of China (863 Program) (Grant No. 2012AA091201); Project supported by The National Natural Science Funds (Grant No. 51105386).

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Authors and Affiliations

  1. College of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China

    Junzheng Li, Shaojun Liu & Yu Dai

  2. College of Engineering, Hunan Agricultural University, Changsha, 410128, China

    Junzheng Li

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  1. Junzheng Li
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  2. Shaojun Liu
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  3. Yu Dai
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Correspondence to Junzheng Li or Shaojun Liu.

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Technical Editor: Kátia Lucchesi Cavalca Dedini.

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Li, J., Liu, S. & Dai, Y. Effect of grouser height on tractive performance of tracked mining vehicle. J Braz. Soc. Mech. Sci. Eng. 39, 2459–2466 (2017). https://doi.org/10.1007/s40430-016-0641-4

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  • DOI: https://doi.org/10.1007/s40430-016-0641-4

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