Titanium expansion joint for spaceflight

Abstract

The invention discloses a titanium expansion joint for spaceflight. The side wall of a cylindrical cavity is provided with a pair of inlet pipes. The top of the cylindrical cavity is provided with a discharge pipe. The discharge pipe is connected with a corrugated pipe. The tail end of the corrugated pipe is connected with a flange. The periphery of the corrugated pipe is sheathed with a rubber sleeve. The top end of the rubber sleeve is connected with the flange. The bottom of the rubber sleeve is further provided with a rubber ring. The rubber ring is connected with the top of the cylindrical cavity. The flange is connected with a reducing pipe. The tail end of the reducing pipe is connected with an extension pipe. The outer pipe wall of the extension pipe is provided with a bracket. Theouter pipe wall of the extension pipe is further sheathed with a heat-insulating sleeve. The tail end of the extension pipe is provided with a port. According to the expansion joint, a body of the titanium corrugated pipe is sheathed with the rubber sleeve, so the body of the corrugated pipe does not directly contact with the outside air, the corrosion is avoided, and the service life is prolonged. The expansion joint is further provided with one detachable extension pipe. While an installing position is more close to a spaceflight device, a distance can be formed so that a body of the expansion joint is prevented from overheating.

Description

technical field [0001] The invention relates to a titanium metal expansion joint for aerospace. Background technique [0002] The expansion joint is a flexible structure arranged on the container shell or pipeline to compensate for the additional stress caused by temperature difference and mechanical vibration. As an elastic compensating element that can expand freely, it has the advantages of reliable operation, good performance, and compact structure, and has been widely used in chemical industry, metallurgy, nuclear energy and other departments. Titanium metal expansion joints for aerospace is a kind of expansion joints. Due to the use of this kind of expansion joints in the aerospace field, the working environment is generally harsh. The external environment corrodes the titanium metal bellows seriously, which affects the service life of the expansion joints. At the same time, when the expansion joint is close to the aerospace equipment, it is easily affected by the hig...

AI Technical Summary

Problems solved by technology

Titanium metal expansion joints for aerospace is a kind of expansion joints. Due to the use of this expansion joint in the aerospace field, the working environment is generally harsh, and the external environment corrodes titanium metal bellows seriously, which affects the service life of the expansion joints.

At the same time, when the expansion joint is close to the aerospace equipment, it is easily affected by the high temperature generated by the equipment, resulting in uneven cooling and heating of the body and affecting the performance of the expansion joint.

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