Rationale diagnostic signs of the technical condition of the hydrostatic drive HST-90,112

  • Voitov A. V. Харьковский национальный технический университет сельского хозяйства имени Петра Василенка (г. Харьков, Украина)
  • Bojko I. G. Харьковский национальный технический университет сельского хозяйства имени Петра Василенка (г. Харьков, Украина)
Keywords: hydraulic drive, diagnostics, diagnostic signs, piston engine, piston pump, pump flow rate, efficiency motor, the rate of increase of the motor angular speed of the rotor, the rate of increase a pressure behind pump, transient processes

Abstract

Experimentally substantiated diagnostic features, which include the rate of increase in the pressure behind pump Ṗ, Pa/s and increase the angular speed of the rotor motor speed under load. Experimentally, during bench testing, the selection of said validated diagnostic features. The coefficients of variation and the values of accuracy measures are allowed to confirm that the determining technical condition HST-90,112 during the operation is necessary to control: the value of the maximum pressure behind pump during the transition process Pmax when the motor shaft braked nominal torque; time when the pressure of the pump during the transient load reaches maximum tн max, s; the value of maximum angular speed of the rotor of the hydraulic motor during the transient ωmax , 1 / s when the motor shaft braked nominal torque; time when the angular speed of the rotor of the hydraulic motor reaches maximum tм max , s.

Published
2020-02-11
Issue
No 6 (2016)
Section
Статті