Wind tunnel incidence angle mechanism

An angle-of-attack mechanism and wind tunnel technology, applied in the field of wind tunnel angle-of-attack mechanism and large-scale wind tunnel angle-of-attack mechanism, can solve the problems of large driving force and large inertia of the attack angle mechanism, and achieve small driving force, promote development and save energy material effect

Active Publication Date: 2021-06-25
INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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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 m

Method used

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  • Wind tunnel incidence angle mechanism

Examples

Experimental program
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Example Embodiment

[0051] Example 1

[0052] The wind tunneling mechanism of the present embodiment includes a wind tunnel stent segment fixing seat, an arc-shaped bending knife branch for a strut, a central bracket, an arc rail, a drive device, and a third. Screw, third support unit, screw nut, fourth connection assembly. The curved bend knife plate is hung in one side of the strut, and the curved sharpening strip is maintained relative to the wind tunnel. Among them, the central bracket faces the side of the arc-shaped bending knife branch, and the opening of the central bracket can pass through the curved bend knife branch. Preferably, the central bracket of the present application includes a second connection end, a second side plate mounted with an arc-shaped bend cutter plate, a second side plate being two and the second side panel is disposed in parallel with each other; one end of the second connection end Connected to the strut, the other end of the second connection is connected to the sec...

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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...

Claims

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Application Information

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IPC IPC(8): G01M9/04
CPCG01M9/04Y02T90/00
Inventor 范长海尹永涛周洪顾海涛陶洋钟志刚
Owner INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
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