Reduction of coal losses in operation of mining rope shovels
A.A. Khoreshok1, D.M. Dubinkin1, S.O. Markov2, E.A. Tyuleneva3, M.A. Tyulenev1
1 T.F. Gorbachev Kuzbass State Technical University, Kemerovo, Russian Federation
2 Mezhdurechensk Branch of the T.F. Gorbachev Kuzbass State Technical University, Mezhdurechensk, Russian Federation
3 Prokopyevsk Mining and Design Institute, Kemerovo, Russian Federation
Russian Mining Industry №6 / 2022 р. 88-94
Abstract: A significant part of operations that are engaged in surface mining of coal are currently using hydraulic excavators, i.e. backhoes and less often face shovels, which reduces losses and improves productivity. However, a certain number of strip mines, especially those where mining activities are coming to a close, are still using mining rope shovels mostly domestically produced and of outdated models. Based on the method developed by the authors earlier and partially described in this article, the calculation of the layer height is made which will prevent additional losses of coal from the insufficient cutting depth. Formulas for calculating the layer height are proposed for five models of domestically produced rope shovels. The differences in geometric parameters of relative location of the elements that are used in the method described do not make it possible to establish a unified dependence of the worked-out layer height on the influencing factors. However, this method can be used to define the layer height for any model of the rope shovels, but this will require to know its operating parameters, i.e. the height of the shipper shaft, the distance from the excavator rotation axis to the tail piece of the boom, the minimum digging radius, etc.
Keywords: rope shovel, open pit mining, coal losses, digging height, face block, trajectory of the cutting edge of the bucket teeth
Acknowledgements: This work was financially supported by the Ministry of Science and Higher Education of Russian Federation under Agreement №075-15-2022-1198 dated 30.09.2022 with the Gorbachev Kuzbass State Technical University on complex scientific and technical program of full innovation cycle: "Development and implementation of complex technologies in the areas of exploration and extraction of solid minerals, industrial safety, bioremediation, creation of new deep conversion products from coal raw materials while consistently reducing the environmental impact and risks to human life" (the "Clean Coal - Green Kuzbass" Integrated Scientific and Technical Programme of the Full Innovation Cycle) as part of implementing the project "Development and creation of an unmanned shuttle-type mine truck with a payload of 220 tonnes" in terms of research, development and experimental-design work.
For citation: Khoreshok A.A., Dubinkin D.M., Markov S.O., Tyuleneva E.A., Tyulenev M.A. Reduction of coal losses in operation of mining rope shovels. Russian Mining Industry. 2022;(6):88–94. https://doi.org/10.30686/1609-9192-2022-6-88-94
Article info
Received: 01.11.2022
Revised: 16.11.2022
Accepted: 19.11.2022
Information about the authors
Alexey A. Khoreshok – Dr. Sci. (Eng.), Professor, Director of Mining Institute, T.F. Gorbachev Kuzbass State Technical University, Kemerovo, Russian Federation; https://orcid.org/0000-0002-3261-0933
Dmitry M. Dubinkin – Cand. Sci. (Eng.), Assistant Professor, T.F. Gorbachev Kuzbass State Technical University, Kemerovo, Russian Federation; https://orcid.org/0000-0002-8193-9794; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Sergei O. Markov – Cand. Sci. (Eng.), Assistant Professor, Engineering and Economic Department, Mezhdurechensk Branch of the T.F. Gorbachev Kuzbass State Technical University, Mezhdurechensk, Russian Federation
Ekaterina A. Tyuleneva – Team leader of the open-pit mining department, Prokopyevsk Mining and Design Institute, Kemerovo, Russian Federation
Maxim A. Tyulenev – Cand. Sci. (Eng.), Assistant Professor, Department of Open Pit Mining, T.F. Gorbachev Kuzbass State Technical University, Kemerovo, Russian Federation; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
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