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Title: STREAMLINING THE ACTUATION OF HEAVY AND HIGH-MAGNITUDE DYNAMIC LOAD HYDRAULIC CYLINDERS IN THE FIELD OF EXPLORATION AND MINING
STREAMLINING THE ACTUATION OF HEAVY AND HIGH-MAGNITUDE DYNAMIC LOAD HYDRAULIC CYLINDERS IN THE FIELD OF EXPLORATION AND MINING

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Teodor Costinel Popescu; Alexandru-Polifron Chiri?a; Ana-Maria Carla Popescu; Alina Iolanda Popescu
10.5593/sgem2023/1.1/s03.52
10.5593/sgem2023/1.1
1314-2704
978-619-7603-56-9
English
23
1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Exploration and Mining
In the exploration and mining industry, fixed and mobile machines use hydraulic drive systems (HDSs) involving hydraulic cylinders powered at high pressure rates. Such cylinders operate in heavy and high-magnitude dynamic load regimes, e.g., as part of mobile crusher buckets, excavators and mini excavators, hook-lift trailers, or mobile hydraulic jacks. In this context, there are two solutions for generating high pressure rates in HDSs: (1) by using high-pressure pumps, or (2) by using hydraulic power units consisting of low-pressure pumping units and oscillating hydraulic pressure intensifiers. The second solution is often used in static applications, such as burst tests of pipes and tanks, and dynamic applications involving short displacements of hydraulic cylinders, such as in hydraulic tools and presses. This solution proves to be more efficient in terms of energy and economically.
To assess the efficiency of this type of hydraulic drive in the field of exploration and mining, the authors developed a test stand. The stand made it possible for the highpressure hydraulic cylinder to be loaded with heavy and high-magnitude dynamic loads, using a step ramp-like configuration with different slopes for the two displacement directions. Next, the cylinder was supplied from a low-pressure pumping unit equipped with a minibooster, and tested under these load conditions. Test results pointed out that the tested hydraulic cylinder moves continuously and safely over the entire forwardand- return stroke. Low-pressure pumping units equipped with miniboosters are an efficient solution for driving hydraulic cylinders in the field of exploration and mining, especially in the case of heavy and high-magnitude dynamic loads.
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[3] Mobile from miniBOOSTER Hydraulics A/S, miniBOOSTER Hydraulics A/S, https://www.minibooster.com/mobile/, Accessed March 9, 2023.
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[5] Gunayd?n A.C., Halkac? M., Ates F., Halkac? H.S., Experimental Research of the Usability on Double Acting Intensifiers in Hydroforming, Proceedings of ICMSC 2018, Russian Federation, MATEC Web of Conferences, vol. 220, article no. 04001, 2018.
[6] Popescu T.C., Chirita A.-P., Popescu A.-M.C., Vlad A., Traneci G.A., Popescu A.I., Optimization of Manufacturing Processes by Reducing the Costs of Tools and Equipment on Hydraulically Operated High-Pressure Technological Lines, NEWTECH 2022 – The 7th International Conference on Advanced Manufacturing Engineering and Technologies, France, MATEC Web of Conferences, vol. 368, article no. 01008, 2022.
The research presented in this paper was developed under Financial Agreement no. 272/24.06.2020, signed by the Ministry of European Funds / Ministry of Education and Research and S.C. HESPER S.A. Bucharest for the Innovative Technological Project titled “Digital mechatronic systems for generating pressure of 1000 bar, using hydraulic pressure intensifiers (SMGP)”. Financing was also granted under a project funded by MCID through Programme 1- Development of the national research & development system, Sub-programme 1.2 - Institutional performance - Projects financing the R&D&I excellence, Financial Agreement no. 18PFE/30.12.2021. This work was also carried out through the Core Program within the National Research Development and Innovation Plan 2022–2027, carried out with the support of MCID, project no. PN 23 05.
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https://doi.org/10.5593/sgem2023/1.1/s03.52
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 03 - 09 July, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
431-438
03 - 09 July, 2023
website
9041
high-pressure hydraulic cylinder, high-magnitude dynamic heavy loads, continuous displacement, low-pressure pumping unit, minibooster