UNIV. NEWS. NORTH-CAUCAS. REG. TECHNICAL SCIENCES SERIES. 2016; 1: 63-70
http://dx.doi.org/10.17213/0321-2653-2016-1-63-70
IMPORT SUBSTITUTION NOISE SUPPRESSION TECHNOLOGY FOR SORTING COMPLEXIMPORT SUBSTITUTION NOISE SUPPRESSION TECHNOLOGY FOR SORTING COMPLEX
Shapovalov Vladimir Vladimirovich – Doctor of Technical Sciences, professor, head of department «Transport Machines and Tribotechnics», Rostov State Transport University, Rostov-on-Don, Russia. E-mail: tmt@rgups.ru
Maiba Igor Albertovich – Doctor of Technical Sciences, dean, professor, department «Transport Machines and Tribotechnics», Rostov State Transport University, Rostov-on-Don, Russia. E-mail: mia@rgups.ru
Murtazaaliev Ruslan Murtazaalievich – post-graduate student, department «Transport Machines and Tribotechnics», Rostov State Transport University, Rostov-on-Don, Russia. E-mail: rus-mur11@mail.ru
Kornienko Roman Andreevich – post-graduate student, department «Transport Machines and Tribotechnics», Rostov State Transport University, Rostov-on-Don, Russia. E-mail: kornien-koroman23@mail.ru
Abstract
In the process of sorting hills network of JSC "Russian Railways" in the interaction of working bodies of the friction type retarders VZPG with wheels sorted wagons rise to intense friction oscillations. To solve this problem based on the tribological methods of physical and mathematical modeling were carried out modeling studies for the establishment and optimization of formulations of a number of noise-canceling friction modifiers (MPT-F). Based on an integrated fractional octave analysis data performance tests on the spectra of frictional self-oscillations and the elastic-dissipative components tribospektrov were selected noise-canceling compositions having a maximum noise-canceling effect on problematic frequency ranges of noise exposure. The analysis of existing methods for modifying and choose the most effective - contact-rotaprintny. To implement the method developed and tested a special device noise reduction. The results of the test, the comparative analysis of the effectiveness of the developed device noise reduction and closest foreign analogue.
Keywords: friction oscillations; noise; friction; vibration; sorting slides; physical and mathematical modeling.
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