RESEARCH OF THE INFLUENCE OF THE HOOK LOAD OF THE UNSTABLE CHARACTER ON THE OPERATING INDICATORS OF THE ENERGY MEANS
Shchitov Sergey Vasilievich, Bumbar Ivan Vasilievich, Sennikov Vyacheslav Anatolievich, Sennikovа Natalia Nikolaevna, Prisyazhnaya Serafima Pavlovna, Kuznetsov Evgeny Evgenievich
Far Eastern State Agrarian University, Blagoveshchensk, Polytechnicheskaya street, 86.
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When the machine-tractor unit (MTU) performs agricultural operations, there are significant fluctuations in the hook load, that is, the load of the tractor engine is unsteady in its characteristics, and the degree of unevenness of the moment of engine resistance during this period can reach 30-40%. To reduce the fluctuations of the hook load and eliminate the unevenness of the moment of engine resistance, the most promising direction is the increase in the moment of inertia of the MTU. The technical solution can be the installation of an additional device in the form of a flywheel driven by a power take-off shaft. The presence of an additional flywheel will contribute to smoothing the load oscillations, which will lead to an increase in the working speed, and, consequently, to an increase in the productivity of the machine and tractor unit. This particularly applies to the conditions of the Amur region, since the soils of this region are mainly loaming of varying degrees of severity, while the presence of a permafrost base during the spring field works strengthens the influence of the unsteady character of the hook load on the tractor output indicators. This is explained by the fact that the process of thawing the soil according to the depth is fairly uneven due to high daily temperature changes, which ultimately increases the uneven nature of the hook load of power resources in field work. Especially clearly its manifestation with increasing of working speeds of the agricultural unit. The foregoing shows that the problem of reducing the unstable character of the hook load on the output parameters of mobile energy equipment is currently topical, and the solution is in demand in engineering and agro-industrial production. In this connection, the purpose of the proposed studies is to reduce the influence of the unsteady nature of the traction load on the output indicators of the power facility when installing an additional device in the form of a flywheel. In the present work, we propose the construction of a perspective device for reducing the influence of unsteady load on the output indicators of the power tool (wheeled tractor) and the results of studies of the influence of the regime parameters of the additional flywheel on the operational performance of the power tool.