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Fundamental and applied issues of mining

2019 year, number 2

TO THE PROBLEM OF ENSURING STABILITY OF SYNCHRONOUS OPERATION OF VIBRATION EXCITERS FOR ROCK MASS DISCHARGE AND DISPLACEMENT

E. G. Kulikova, V. M. Usol'tsev
Chinakal Institute of Mining, Siberian Branch Russian Academy of Sciences, Novosibirsk, Russia
Keywords: Упругий рабочий орган, дебалансный вибровозбудитель, рассогласование парциальных частот, длина волны, амплитуда колебаний, фазовый угол, Flexible working tool, unbalanced vibration exciter, mismatch of partial frequencies, wavelength, amplitude of oscillations, phase angle

Abstract

The article presents results of modeling the dynamics of an extended working tool of low flexural rigidity, driven by two inertial vibration exciters. The influence of the design parameters of the transport device on the mismatch of partial frequencies still sustaining synchronicity of the vibration exciters, and on the angle of phase displacement is established.