(CALCULATING OF THE EFFICIENCY OF A PRECESSIONAL GEARBOX FOR DRIVES OF OIL AND GAS EQUIPMENT)
В статье рассматриваются существующие конструкции приводов нефтегазового оборудования. В результате анализа характеристик современных ручных приводов запорной арматуры, изготовленных на основе двухступенчатых спироидных передач, установлено, что эти приводы имеют крайне низкий коэффициент полезного действия. Показано, что значительно повысить коэффициент полезного действия позволяют различные приводы нефтегазового оборудования, разработанные на базе прогрессивных прецессирующих плоскоконических передач. Однако до настоящего времени такая методика расчета коэффициента полезного действия редукторов, содержащих плоскоконическую прецессирующую передачу, отсутствовала. В статье представлены результаты разработки методики расчета коэффициента полезного действия соосного редуктора, конструкция которого содержит две плоскоконические прецессирующие передачи с малым межосевым углом. Выполнена верификация результатов расчета на основе имеющихся экспериментальных данных испытаний прецессирующих редукторов близких конструкций. Установлено, что коэффициент полезного действия прецессирующих редукторов выше, чем у двухступенчатых спироидных редукторов с близкими передаточными числами.
The article deals with the existing designs of oil and gas equipment drives. As a result of the analysis of characteristics of modern manual shut-off valve drives, made on the basis of two-stage spiroid gears, it is established that these drives have an extremely low efficiency coefficient. It is shown that various drives of oil and gas equipment, designed on the basis of progressive precessional bevel gears, can significantly increase the efficiency factor. However, until now there has been no such methodology for calculating the efficiency of gearboxes containing bevel precessional gears. The paper presents the results of the development of a methodology for calculating the efficiency of coaxial gearboxes with two bevel precessional gears with a small shaft angle. The calculation results are verified on the basis of available experimental test data for precessional gearboxes of similar designs. It was found that the efficiency factor of precessional gearboxes is higher than that of two-stage spiroidal gearboxes with similar gear ratios.
V.N. Syzrantsev1, e-mail: syzrantsevvn@tyuiu.ru
A.A. Pazyak1, e-mail: pazjakaa@tyuiu.ru
1 Federal State Budget Educational Institution of Higher Education “Industrial University of Tyumen” (Tyumen, Russia).
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