A composite measuring device for propeller dynamic tension and torque

Abstract

The invention provides a propeller dynamic tension and torque duplex measuring device and belongs to the technical field of force measurement. The propeller dynamic tension and torque duplex measuring device comprises a drive motor, a propeller, a bottom plate and a bearing seat. The propeller is provided with a spindle. The end, far from the propeller, of the spindle penetrates through the bearing seat and is in coaxial transmission connection with an output shaft of the drive motor through a dynamic torque sensor. The dynamic torque sensor is fixedly connected with the bottom plate. The bearing seat is provided with a tension and pressure senor. The tension and pressure sensor is connected with the bottom plate through a connecting part. The bearing seat is connected with the bottom plate in a sliding mode. The propeller dynamic tension and torque duplex measuring device can simultaneously measure dynamic tension and torque generated during rotation of the propeller, and is simple in structure, low in cost, high in measurement accuracy and convenient to install and maintain.

Description

technical field [0001] The invention relates to the technical field of force measurement, in particular to a composite measuring device for propeller dynamic tension and torque. Background technique [0002] The air propeller is a tool that converts the power of the aeroengine into the propulsion of the aircraft. In the process of aircraft research and design, the tension and torque data of the propeller are important input conditions for the identification of its aerodynamic parameters. Generally, the flight is simulated through a wind tunnel test or a vehicle test. Working conditions, measure the aerodynamic performance data of the propeller, and provide a basis for research and design work. [0003] When testing the dynamic characteristics of the propeller in the vehicle test, a balance mechanism or a composite tension torsion sensor is often used. Conventional balance mechanism and composite pull-torque sensor are mainly used for static tension and torque measurement, a...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a propeller dynamic tension and torque composite measurement device, which aims to improve the existing propeller tension and torque measurement device in the vehicle test, due to the influence of vibration and acceleration and deceleration of propulsion system components such as propeller drive motors on the measurement results, Problems that lead to lower measurement accuracy

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