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Development of Longwall Shearers’ Haulage Systems as an Alternative to the Eicotrack System Used Nowadays

Author

Listed:
  • Krzysztof Kotwica

    (Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, 30-059 Kraków, Poland)

  • Grzegorz Stopka

    (Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, 30-059 Kraków, Poland)

  • Andrzej N. Wieczorek

    (Department of Mining Mechanization and Robotisation, Faculty of Mining, Safety Engineering and Industrial Automation, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Marek Kalita

    (Division of Machines and Equipment, KOMAG Institute of Mining Technology, 44-101 Gliwice, Poland)

  • Dominik Bałaga

    (Division of Machines and Equipment, KOMAG Institute of Mining Technology, 44-101 Gliwice, Poland)

  • Michał Siegmund

    (Division of Machines and Equipment, KOMAG Institute of Mining Technology, 44-101 Gliwice, Poland)

Abstract

Longwall shearers’ haulage system of the Eicotrack type, used most often nowadays, is presented in this article. Its disadvantages, causing problems with a correct operation of mechanized longwall shearer systems, are discussed. The concept of the innovative Flextrack, which should reduce the occurrence of the disadvantages mentioned above, is described. A course and research results, connected with rig tests of the Flextrack haulage system functionality, are presented. Measurement results of wear and stresses, obtained for the Eicotrack and Flextrack haulage systems, are compared and presented. Based on an analysis of the obtained results, a modified version of the Komtrack haulage system was suggested and manufactured. This haulage system was tested in the field conditions, similar to underground conditions in a mine coal longwall. The obtained results confirmed its full functionality and lack of problems experienced in the case of the Eicotrack and Flextrack systems. At present, the Komtrack system is tested in a coal longwall in Piast coal mine, where comparative tests with the Eicotrack system are conducted. The big part of the results presented in this article was developed as part of the research project KOMTRACK jointly implemented by KOMAG Institute of Mining Technology, AGH University of Science and Technology, Łukasiewicz Research Network—Cracow Institute of Technology, Specodlew Innovative Foundry Company and Polish Mining Group Inc., co-financed by the European Regional Development Fund (Contract No. POIR.04.01.04-00-0068/17).

Suggested Citation

  • Krzysztof Kotwica & Grzegorz Stopka & Andrzej N. Wieczorek & Marek Kalita & Dominik Bałaga & Michał Siegmund, 2023. "Development of Longwall Shearers’ Haulage Systems as an Alternative to the Eicotrack System Used Nowadays," Energies, MDPI, vol. 16(3), pages 1-19, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:3:p:1402-:d:1052597
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    References listed on IDEAS

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    1. Krzysztof Kotwica & Grzegorz Stopka & Marek Kalita & Dominik Bałaga & Michał Siegmund, 2021. "Impact of Geometry of Toothed Segments of the Innovative KOMTRACK Longwall Shearer Haulage System on Load and Slip during the Travel of a Track Wheel," Energies, MDPI, vol. 14(9), pages 1-25, May.
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