Wind tunnel incidence angle mechanism

Abstract

The invention discloses a wind tunnel attack angle mechanism, belongs to the field of wind tunnel attack angle adjustment, and aims to solve the problems of large inertia and large driving force of the attack angle mechanism due to the fact that a traditional model attack angle mechanism adopts a mode that an arc-shaped bent knife support plate and a model move together. The wind tunnel incidence angle mechanism comprises a wind tunnel support section fixing base, an arc-shaped bent knife supporting plate, a supporting rod, a middle support, an arc guide rail pair, a driving device, a third lead screw, a third supporting unit, a lead screw nut and a fourth connecting assembly. The side, facing the arc-shaped bent knife supporting plate, of the middle support is in a U shape. When the mechanism is used for model attack angle adjustment, the arc-shaped bent knife support plate is fixed, so that the driving force is greatly reduced, the test energy consumption is favorably reduced, and the mechanism has remarkable progressive significance. When the incidence angle range of the corresponding model is adjusted, the requirement for the size of the arc-shaped bent knife straight plate is smaller, and the method has important progressive significance for promoting development of the corresponding field.

Description

technical field [0001] The application relates to the field of wind tunnel test devices, especially the field of wind tunnel angle of attack adjustment, specifically a wind tunnel angle of attack mechanism. More specifically, the application provides a large-scale wind tunnel angle of attack mechanism, which has small inertia and simple driving, and can realize the adjustment of the angle of attack of the wind tunnel test model, which has significant progress in reducing the cost of wind tunnel construction and operation . Background technique [0002] In recent years, with the rapid progress of my country's science and technology and the rapid development of national manufacturing capabilities, the simulation requirements for the aerodynamic shape of the wind tunnel test model have become more and more refined, resulting in an increasing requirement for the size of the wind tunnel. The traditional model angle of attack mechanism uses the arc-shaped scimitar support plate t...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the invention of this application is: for the traditional model angle of attack mechanism, the arc-shaped scimitar support plate and the model move together, and there is an angle of attack mechanism For the problem of large inertia and large driving force, a wind tunnel angle of attack mechanism is provided

Images