Разработка и обоснование основных параметров системы очистки масла трансмиссии универсальнопропашного трактора

Аннотация

Subjects of research: physical and mechanical properties, dirt retention of transmission oil, main parameters and indices of the elements of cleaning system built in the tractor gear-box. Purpose of work: Development and substantiation of main parameters for the system of transmission oil cleaning of universal tractors. Methods of research: The principles of theoretical mechanics and multiphase medium mechanics have been used in the theoretical researches. Research of physical and mechanical properties of the transmission oil and its pollution concentration in the time of tractor work has been conducted according to the 23652 - 79 state standard. The field research for checking the cleaning system work and substantiation of its parameters has been conducted in laboratory and field conditions by using the methods of physical, chemical, spectral, photometrieal analysis and planning multifactor experiments. The results obtained and their novelty: Structural schema and parts transmission oil cleaning system in the tractor transmission gear box without material changes of its construction has been defended by a patent. Physical and mathematical models of the oil cleaning processes, describing the provision of oil movement in the system and its required condition at regular working system in interaction with main constructive and regime parameters. Rational values of the system main parameters. Practical value: Using the offered transmission oil cleaning system with the substantiated parameters provides the oil cleanliness on dirt concentration in admissible levels during its 1000 moto-hours, that allows to reduce the wear of rubbing parts 2.8-3.0 times. Degree of embed and economic effectivity: The work results have been accepted to introduction by Tashkent Tractor Plant, the system prototypes have been introduced in the “Namuna” Farm, Surkhandarya province and “TANGEN DOKTOR”, Tashkent province. The annual expected economic affectivity of introducing the offered oil cleaning system is 296676 soom per tractor by reducing the wear of rubbing parts. Field of application: agriculture, agricultural machines engineering.