Structural-parametric synthesis of hydro-mechanical drive of hoisting and lowering mechanism of package-forming machines

Authors

DOI:

https://doi.org/10.15587/1729-4061.2017.111552

Keywords:

hoisting and lowering mechanism, hydromechanical drive, battery, package-forming, potential energy

Abstract

An analysis of operation of hoisting and lowering mechanisms of package-forming machines and synthesis of the structure of a hydromechanical drive were performed. Operation mode of a hydromechanical drive with a hydro-gas battery was theoretically explored. Objective function of minimizing energy consumption at step-by-step battery filling was formulated. The possibility of accumulation of potential energy is determined by the technology of packing. This is a specific feature of hoisting and lowering mechanisms of package-forming and package-disassembling machines. The need for research in this area is caused by the necessity to further process the data on the influence of the structure and elements of a drive on operation of hoisting and lowering mechanisms and to find ways of minimizing energy consumption at step-by-step drive loading.

It was experimentally proved that gas compression in the battery of a hoisting and lowering mechanism is described by an adiabat. A hypothetical polytrope index was determined at the level of 1.25. The authors determined parameters of a hydraulic drive, which will provide the minimum of objective function of minimizing energy consumption: loading at level Fymax=26 kN, Fymin=5.7 kN, coefficient of pressure losses of 0.05, piston stroke 0.5 m, at preset speeds of platform motion: Vmin=0.03 m/s, Vmax=0.38 m/s.

Accumulation of potential energy at step-by-step loading of a hoisting and lowering mechanism is provided due to throttling of fluid motion from the hydro cylinder to the battery. The authors explored operation modes of a hydro-gas battery as a part of a hoisting and lowering mechanism in its alternating step-by-step loading, which provides analysis of the future design of a drive of a package-forming machine

Author Biographies

Oleksandr Gavva, National University of Food Technologies Volodymyrska str., 68, Kyiv, Ukraine, 01601

Doctor of Technical Sciences, Professor

Educational-scientific engineering-technical institute named after acad. I. S. Gulogo

Department of machines and apparatus for food and pharmaceutical productions

Liudmyla Kryvoplias-Volodina, National University of Food Technologies Volodymyrska str., 68, Kyiv, Ukraine, 01601

PhD, Associate Professor

Educational scientific engineering іnstitute named after аcad. I. S. Gulyiy

Department of Mechatronics and Packaging Technology 

Mykola Yakymchuk, National University of Food Technologies Volodymyrska str., 68, Kyiv, Ukraine, 01601

Doctor of Engineering Science, Associate Professor

Educational scientific engineering Institutenamed after acad. I. S. Gulyiy

Department of Mechatronics and Packaging Technology 

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Published

2017-10-24

How to Cite

Gavva, O., Kryvoplias-Volodina, L., & Yakymchuk, M. (2017). Structural-parametric synthesis of hydro-mechanical drive of hoisting and lowering mechanism of package-forming machines. Eastern-European Journal of Enterprise Technologies, 5(7 (89), 38–44. https://doi.org/10.15587/1729-4061.2017.111552

Issue

Vol. 5 No. 7 (89) (2017): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2017 Oleksandr Gavva, Liudmyla Kryvoplias-Volodina, Mykola Yakymchuk

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