Lightweight thermal insulation device for composite material cylinder and manufacturing method thereof

Abstract

The invention discloses a lightweight thermal insulation device for a composite material cylinder and a manufacturing method thereof, belonging to the technical field of launch cylinders. The lightweight thermal insulation device of the composite cylinder body includes an inner cylinder, a carbon fiber ventilation duct and an insulation structure layer; the carbon fiber ventilation duct is wound around the outer peripheral surface of the inner cylinder; the inner peripheral surface of the carbon fiber ventilation duct and the outer peripheral surface of the inner cylinder form a convenient The airflow channel through which the airflow passes; the thermal insulation structure layer wraps the outer peripheral surface of the carbon fiber ventilation duct. It solves the problem that the traditional air duct is bulky and cannot be integrated with the structural layer; the mounted air duct is directly ventilated, and the large-diameter air inlet destroys the structural continuity of the carbon fiber composite material cylinder and affects the rigidity of the cylinder. The carbon fiber ventilation pipe of the present invention is wound around the outer peripheral surface of the inner cylinder, so that the ventilation pipe and the structural layer are integrated; an airflow channel is formed between the inner peripheral surface of the carbon fiber ventilation pipe and the outer peripheral surface of the inner cylinder, and the bearing capacity of the inner cylinder is not be destroyed; the clad insulating structural layer ensures heat transfer efficiency.

Description

technical field [0001] The invention relates to the technical field of launch tubes, in particular to a lightweight thermal insulation device for composite material tubes and a manufacturing method thereof. Background technique [0002] The cylinder structure is the core component of the ground weapon system. Most of the early ground weapon systems were metal structures, resulting in heavy weight and poor maneuverability. In order to improve the mobility of the weapon system and the constant temperature conditions of the internal structure of the barrel, the ground weapon barrel has gradually shown a trend of composite materials. Especially in recent years, the integration of functional and structural composite materials has been emphasized. Therefore, the existing composite material barrel Most of the cylinders are solid composite material cylinders, and most of them adopt wet winding molding process. However, it is still heavy and has limited functionality. [0003] In o...

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Problems solved by technology

[0006] The purpose of the present invention is to provide a lightweight thermal insulation device for a composite material cylinder to solve the problem in the prior art that the traditional air duct has a large volume and is mounted on the side wall of the cylinder and cannot be integrated with the structural layer; The air duct needs to adopt the direct ventilation method, which requires a large-diameter air inlet, which destroys the structural continuity of the carbon fiber composite material cylinder, and also causes fiber disconnection, which affects the technical problem of the rigidity of the cylinder.

[0007] The present invention also provides a manufacturing method of a lightweight thermal insulation device for a composite material cylinder, so as to solve the technical problems existing in the prior art, such as complicated manufacturing process and high manufacturing cost of the cylinder

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