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Диагностирование коренных и шатунных подшипников кривошипно-шатунного механизма

Диагностирование коренных и шатунных подшипников кривошипно-шатунного механизма

Abstract

Представлены методы и средства диагностирования коренных и шатунных подшипников кривошипно-шатунного механизма автомобилей и тракторов. Проведены исследования изменения давления и расхода масла через коренные подшипники ДВС. Предложен и применен способ безразборной диагностики состояния подшипников скольжения двигателя, разработан прибор, обеспечивающий режимы нагружения подшипников. Определена связь повышения величины разности относительных эксцентриситетов на холостом ходу при увеличении отношения величин давлений без нагрузки и под нагрузкой. Подтверждено, что пропускная способность через коренной и шатунный подшипник характеризуется динамическими и статическими пропускными способностями этих узлов.При проведении экспериментальных исследований по определению связи технического состояния коренных подшипников с величиной сигнала давления был выявлен наиболее чувствительный режим при частоте вращения коленчатого вала двигателя, близкой к частоте вращения холостого хода для двигателя ЗМЗ-4062. Изложены экспериментальные исследования.

Methods and means of diagnosing main and connecting rod bearing crank drive trucks and tractors. Examined the change in pressure and fluid flow through the engine crankshaft bearings. Applied a method of diagnosing the state of sliding bearings indiscriminately engine. Established diagnostic device. We have established the relationship between the eccentric bearing profile and the amount of pressure with no load and under load. We confirmed that the bandwidth through the main and connecting rod bearing is characterized by dynamic and static qualities throughputs of these nodes.When conducting experimental studies on the linkage of technical condition of main bearings with the magnitude of the pressure signal was detected most sensitive mode idle speed for the engine “ZMZ-4062”. Presents experimental studies.

Keywords

ДИАГНОСТИРОВАНИЕ, АВТОМОБИЛЬ, КОРЕННЫЕ И ШАТУННЫЕ ПОДШИПНИКИ, КРИВОШИПНО-ШАТУННЫЙ МЕХАНИЗМ, МЕТОД ДИАГНОСТИРОВАНИЯ, ПАРАМЕТРЫ ДАВЛЕНИЯ, ДИАГНОСТИЧЕСКИЕ ПАРАМЕТРЫ, МЕТОДЫ И СРЕДСТВА, ТЕХНИЧЕСКОЕ СОСТОЯНИЕ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold