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Phase change type heat-proof structure of rudder shaft and aircraft

A rudder shaft and phase change technology, which is applied in the thermal protection device of aerospace vehicles, aircraft parts, aircraft control, etc., can solve the problems of reducing the temperature of the rudder shaft, and it is difficult to ensure the bearing capacity of the rudder shaft, so as to achieve the effect of lowering the temperature

Active Publication Date: 2021-11-19
THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present application provides a phase-change heat-proof structure of the rudder shaft and an aircraft to solve the technical problem that the passive heat resistance and heat insulation scheme in the related art is difficult to ensure the bearing capacity of the rudder shaft and reduce the temperature of the rudder shaft

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  • Phase change type heat-proof structure of rudder shaft and aircraft
  • Phase change type heat-proof structure of rudder shaft and aircraft

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Embodiment Construction

[0024] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0025] The embodiment of the present application provides a phase-change heat-proof structure of the rudder shaft, which can solve the technical problem that it is difficult to ensure the bearing capacity of the rudder shaft and reduce the temperature of the rudder shaft in the passive thermal insulation scheme in the related art.

[00...

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Abstract

The invention relates to the technical field of aircraft rudder shaft heat protection design, and in particular relates to a phase change type heat-proof structure of a rudder shaft and an aircraft. The phase change type heat-proof structure of the rudder shaft comprises a rudder shaft body, and a connecting channel is formed in the rudder shaft body; and the heat-proof structure further comprises a phase change energy storage ring which is partially arranged in the connecting channel and is attached to the inner wall of the connecting channel, and the phase change energy storage ring is filled with a phase change material. The heat-proof structure has the advantages that the temperature of the rudder shaft body is reduced while the bearing capacity of the rudder shaft body is considered.

Description

technical field [0001] The application relates to the technical field of aircraft rudder shaft heat protection design, in particular to a phase-change heat protection structure of a rudder shaft and an aircraft. Background technique [0002] With the development of aerospace technology, more and more aircraft are flying at high speed and for a long time in the atmosphere. Due to aerodynamic heating, the temperature of the rudder shaft will become higher and higher due to the heat transfer to the rudder shaft after the temperature of the air rudder surface rises. The heating of the shaft often leads to the heating of the bearing and steering gear, which seriously affects the normal operation of the bearing and steering gear. [0003] At present, the heat protection of rudder shafts used in the field of missiles or rockets mostly adopts passive heat resistance and heat insulation schemes. Due to the generally low mechanical load-carrying capacity of the thermal resistance str...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/58B64C9/00
CPCB64G1/58B64C9/00Y02E60/14
Inventor 高旭毛靖李志杰王辉涂正光范开春谭友德
Owner THE GENERAL DESIGNING INST OF HUBEI SPACE TECH ACAD
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