«Equipment and technologies for oil and gas complex»

Efficiency determination of the precessional gear drive box of oil and gas equipment

UDC: 621.833.2
DOI: 10.33285/1999-6934-2022-5(131)-100-105

Authors:

¹ Tyumen Industrial University, Tyumen, Russia

Keywords: drive unit, precessional gearbox, bevel gears with a small shaft angle, efficiency

Annotation:

The article considers the existing designs of oil and gas equipment drives. As a result of the analysis of characteristics of modern manual shutoff valve drives made on the basis of two-stage spiroid gears, it was found that these drives have an extremely low efficiency. It is shown that various oil and gas equipment drives, developed on the basis of progressive precessional bevel gears, can significantly increase the efficiency. However, until now, there wasn’t such a method for calculating the coefficient of gearboxes efficiency containing bevel precessional gears. The article presents the results of developing a methodology for calculating the efficiency of a coaxial gearbox, the design of which contains two bevel precessional gears with a small shaft angle. Calculation results verification based on the available experimental data from similar designs precessional gearboxes tests was carried out. It has been determined that the precessional gearboxes efficiency is higher than that of two-stage spiroid gearboxes with similar gear ratios.

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