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Development of a Hydraulic System for the Automatic Expansion of Powered Roof Support

Author

Listed:
  • Dawid Szurgacz

    (Center of Hydraulics DOH Ltd., ul. Konstytucji 147, 41-906 Bytom, Poland
    Polska Grupa Górnicza S.A., ul. Powstańców 30, 40-039 Katowice, Poland)

  • Beata Borska

    (KWK Ruda Ruch Halemba, ul. Halembska 160, 41-717 Ruda Śląska, Poland)

  • Ryszard Diederichs

    (Center of Hydraulics DOH Ltd., ul. Konstytucji 147, 41-906 Bytom, Poland)

  • Sergey Zhironkin

    (Department of Trade and Marketing, Siberian Federal University, 79 Svobodny Ave., 660041 Krasnoyarsk, Russia
    Department of Open Pit Mining, T.F. Gorbachev Kuzbass State Technical University, 28 Vesennya Str., 650000 Kemerovo, Russia
    School of Core Engineering Education, National Research Tomsk Polytechnic University, 30 Lenina Str., 634050 Tomsk, Russia)

Abstract

A mechanical support in a longwall complex requires proper supervision and control of operating parameters because it is responsible for the safety of machines and workers. Its main functions are to protect the excavation against the adverse effects of rock mass and to move it along with the operational progress of the shearer and the scraper conveyor. In the era of Industry 4.0 as well as green economy and sustainable development, the development of machines and devices included in the longwall complex is an important area of invention. When it comes to the mechanical support included in the longwall complex, the authors propose changes to the hydraulic control system. The main purpose of the work was to develop a system that can automatically expand the legs of the powered support. Tests were carried out under real conditions while equipping the support section with a prototypical hydraulic system and with a system monitoring the correct operation of the prototype. This article presents the development of a prototypical installation under real conditions for testing on a longwall. The innovative solution proposed by the authors consisted of introducing a prototypical double valve block into the hydraulic system of the housing, which enables the function of automatic section expansion. The authors proposed a solution aimed at shortening the work time of the powered-support-section operator. The research results made it possible to evaluate the usefulness of the proposed solution. This type of solution can be considered technical support in the process of coal mining in an underground mine. Analysis presented in this paper, along with results from research conducted and its conclusions, can be of practical help to enclosure users to improve reliability and achieve optimal performance.

Suggested Citation

  • Dawid Szurgacz & Beata Borska & Ryszard Diederichs & Sergey Zhironkin, 2022. "Development of a Hydraulic System for the Automatic Expansion of Powered Roof Support," Energies, MDPI, vol. 15(3), pages 1-15, January.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:3:p:680-:d:727157
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    References listed on IDEAS

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    1. Jaroslaw Wajs & Paweł Trybała & Justyna Górniak-Zimroz & Joanna Krupa-Kurzynowska & Damian Kasza, 2021. "Modern Solution for Fast and Accurate Inventorization of Open-Pit Mines by the Active Remote Sensing Technique—Case Study of Mikoszów Granite Mine (Lower Silesia, SW Poland)," Energies, MDPI, vol. 14(20), pages 1-17, October.
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    3. Mirosław Bajda & Monika Hardygóra, 2021. "Analysis of Reasons for Reduced Strength of Multiply Conveyor Belt Splices," Energies, MDPI, vol. 14(5), pages 1-21, March.
    4. Dawid Szurgacz & Sergey Zhironkin & Stefan Vöth & Jiří Pokorný & A.J.S. (Sam) Spearing & Michal Cehlár & Marta Stempniak & Leszek Sobik, 2021. "Thermal Imaging Study to Determine the Operational Condition of a Conveyor Belt Drive System Structure," Energies, MDPI, vol. 14(11), pages 1-18, June.
    5. Aleksandra Grzesiek & Radosław Zimroz & Paweł Śliwiński & Norbert Gomolla & Agnieszka Wyłomańska, 2021. "A Method for Structure Breaking Point Detection in Engine Oil Pressure Data," Energies, MDPI, vol. 14(17), pages 1-24, September.
    6. Oleg Bazaluk & Andrii Velychkovych & Liubomyr Ropyak & Mykhailo Pashechko & Tetiana Pryhorovska & Vasyl Lozynskyi, 2021. "Influence of Heavy Weight Drill Pipe Material and Drill Bit Manufacturing Errors on Stress State of Steel Blades," Energies, MDPI, vol. 14(14), pages 1-15, July.
    7. Piotr Bortnowski & Lech Gładysiewicz & Robert Król & Maksymilian Ozdoba, 2021. "Energy Efficiency Analysis of Copper Ore Ball Mill Drive Systems," Energies, MDPI, vol. 14(6), pages 1-14, March.
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    1. Dawid Szurgacz & Beata Borska & Sergey Zhironkin & Ryszard Diederichs & Anthony J. S. Spearing, 2022. "Optimization of the Load Capacity System of Powered Roof Support: A Review," Energies, MDPI, vol. 15(16), pages 1-15, August.

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