Influence of volume of hydromotor on parameters of hydrovolumetric-mechanical transmissions (chart “differential at the input”)

Authors

  • Вадим Борисович Самородов National Technical University "Kharkiv Polytechnic Institute" Str. Frunze 21, Kharkov, Ukraine, 61002, Ukraine
  • Анатолій Ігорович Бондаренко National Technical University "Kharkiv Polytechnic Institute" Str. Frunze 21, Kharkov, Ukraine, 61002, Ukraine https://orcid.org/0000-0002-9912-5780

DOI:

https://doi.org/10.15587/1729-4061.2013.12376

Keywords:

Hydrovolumetric-mechanical transmission, chart "differential at the input", planetary train

Abstract

When creating a new hydrovolumetric-mechanical transmission developers face a number of difficult issues: the choice of optimal structural chart, determination of necessary parameters of hydrovolumetric transmission and many others. The article studies the influence of volume of a hydromotor on the main parameters of hydrovolumetric and mechanical transmissions, working according to the chart "differential at the input". The article presents the kinematic charts of hydrovolumetric-mechanical transmissions with different connections of mechanical and hydraulic branches with links of the planetary train (with a sun gear, a crown gear, and a drove). We have defined the kinematic, force and energy parameters of the  transmissions, efficiency of the hydrovolumetric transmission and transmission in general at different volumes of the hydromotor. The analysis of the hydrovolumetric-mechanical transmission with the differential at the input showed: the reviewed hydrovolumetric-mechanical transmissions with unregulated hydromotor (whether the maximum hydraulic capacity is 130 cm3 or 250 cm3), according to all parameters (efficiency , engine power, pressure drop), yield to similar hydrovolumetric-mechanical transmissions with adjustable hydromotor. When using hydromotor with the maximum volume of 250 cm3 instead of 130 cm3, we have observed, depending on the circuit, the reduction of the maximum value of the pressure drop at 1.18 - 20, 53%, of the maximum value of efficiency at 0.35 - 3.16%, of the maximum angular velocity of the shaft of the hydromotor at 17.38 - 38.92%, and the increase of the maximum engine power at 0.77 - 4.12%. Other parameters have not undergone significant changes (the maximum angular velocity of satellites, the maximum angular velocity of the shaft of the hydromotor)

Author Biographies

Вадим Борисович Самородов, National Technical University "Kharkiv Polytechnic Institute" Str. Frunze 21, Kharkov, Ukraine, 61002

Doctor of Technical Sciences, Professor, Head of Department

Department of "Car and tractor"

Анатолій Ігорович Бондаренко, National Technical University "Kharkiv Polytechnic Institute" Str. Frunze 21, Kharkov, Ukraine, 61002

Candidate of Technical Sciences

Department of "Car and tractor"

 

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Published

2013-04-25

How to Cite

Самородов, В. Б., & Бондаренко, А. І. (2013). Influence of volume of hydromotor on parameters of hydrovolumetric-mechanical transmissions (chart “differential at the input”). Eastern-European Journal of Enterprise Technologies, 2(7(62), 7–11. https://doi.org/10.15587/1729-4061.2013.12376

Issue

Vol. 2 No. 7(62) (2013): Applied mechanics

Section

Applied mechanics

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Copyright (c) 2014 Вадим Борисович Самородов, Анатолій Ігорович Бондаренко

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