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Light efficient thermal resistance air rudder

An air rudder and high-efficiency technology, which is applied in the aerospace field, can solve the problems of heavy air rudder structure, poor heat insulation performance, and low structural utilization rate, so as to block the transmission of aerodynamic heat on the rudder surface, improve heat insulation performance, The effect of reducing mass

Active Publication Date: 2022-02-11
THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Air rudders manufactured by traditional techniques such as machining and casting have problems such as large structural weight, high ineffective mass, low structural utilization, and poor thermal insulation performance.

Method used

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  • Light efficient thermal resistance air rudder
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  • Light efficient thermal resistance air rudder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment 1 of the present application provides a lightweight and high-efficiency thermal-resistance air rudder, which has the characteristics of light weight, large load capacity, high reliability, high structural utilization rate, and excellent heat insulation performance.

[0034] figure 1 It is a structural schematic diagram of the lightweight and high-efficiency thermal resistance air rudder provided in Example 1 of the present application, refer to figure 1 , the air rudder includes a rudder shaft 1 and a rudder body 2 .

[0035] refer to figure 2 , the inside of the rudder shaft 1 is a hollow structure, 3-8 S-shaped pipes 11 are arranged inside the rudder shaft 1, and the temperature of the rudder shaft 1 can be reduced by injecting water or fuel oil into the S-shaped pipes 11, and the outside of the rudder shaft 1 Spraying zirconia ceramic thermal insulation coating, in this embodiment, the rudder shaft 1 is made of titanium alloy.

[0036] The rudder body ...

Embodiment 2

[0041] Embodiment 2 of the present application provides a lightweight and high-efficiency thermal resistance air rudder, which has the characteristics of light weight, large load capacity, high reliability, high structural utilization rate, and excellent heat insulation performance.

[0042] The schematic diagram of the air rudder provided in Example 2 for reference Figure 1-Figure 5 , The air rudder provided by Embodiment 2 includes a rudder shaft 1 and a rudder body 2 .

[0043] The interior of the rudder shaft 1 is a hollow structure, and 3-8 S-shaped pipes 11 are arranged inside the rudder shaft 1. The temperature of the rudder shaft 1 can be lowered by injecting water or fuel into the S-shaped pipes 11. The outside of the rudder shaft 1 is sprayed Zirconia ceramic heat-insulating coating, in this embodiment, the rudder shaft 1 is made of alloy steel.

[0044] The rudder body 2 is connected above the rudder shaft 1 by screws. In this embodiment, the rudder body 2 is made...

Embodiment 3

[0048] Embodiment 3 of the present application provides a lightweight and high-efficiency thermal resistance air rudder, which has the characteristics of light weight, large load capacity, high reliability, high structural utilization rate, and excellent heat insulation performance.

[0049] The schematic diagram of the air rudder provided in Example 3 for reference Figure 1-Figure 5 , The air rudder provided by Embodiment 3 includes a rudder shaft 1 and a rudder body 2 .

[0050] The interior of the rudder shaft 1 is a hollow structure, and 3-8 S-shaped pipes 11 are arranged inside the rudder shaft 1. The temperature of the rudder shaft 1 can be lowered by injecting water or fuel into the S-shaped pipes 11. The outside of the rudder shaft 1 is sprayed Zirconia ceramic heat-insulating coating, in this embodiment, the rudder shaft 1 is made of superalloy.

[0051] The rudder body 2 is connected above the rudder shaft 1 by casting. In this embodiment, the rudder body 2 is made...

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Abstract

The invention relates to the technical field of aerospace, in particular to a light efficient thermal resistance air rudder. The lightweight efficient thermal resistance air rudder comprises a rudder shaft, the interior of the rudder shaft is of a hollow structure, and the rudder shaft is made of titanium alloy or high-temperature alloy or alloy steel; a rudder body which is fixedly connected with the rudder shaft, a heat-proof layer and a rudder core are arranged in the rudder body, the heat-proof layer is made of fiber reinforced resin matrix composite materials and zirconia ceramics or alumina ceramics, the rudder core comprises a connecting plate and a rudder framework, the connecting plate is connected between the heat-proof layer and the rudder framework. The connecting plate is of a hollow I-shaped structure, and the rudder framework is formed by connecting a plurality of framework ribs. The air rudder provided by the invention has the characteristics of light weight, large bearing capacity, high reliability, high structure utilization rate and excellent heat insulation performance.

Description

technical field [0001] The present application relates to the field of aerospace technology, in particular to a light-weight, high-efficiency thermal-resistance air rudder. Background technique [0002] The air rudder is an important part of controlling the flight direction and attitude of the aircraft. It is located at the tail of the aircraft and changes the attitude of the aircraft by changing the airflow on the rudder surface. As the flight speed and flight time of the aircraft increase, the aerodynamic heat will become more and more serious, resulting in an increase in the temperature of the air rudder and a decrease in structural strength and stiffness. Therefore, it is generally required that the air rudder has the characteristics of high temperature resistance, ablation resistance and thermal flutter resistance, and has excellent high temperature strength and stiffness. [0003] Most air rudders are made of metal structure, generally composed of rudder shaft, rudder...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64C9/00
CPCB64C9/00Y02T50/40
Inventor 谭友德刘庆高旭王辉洪珅王博哲范开春
Owner THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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