A skin of pressurized fuel tank with integrated bearing and deformation

Abstract

The invention discloses a bearing and deformation integrated pressure-charging oil tank skin. The bearing and deformation integrated pressure-charging oil tank skin comprises a pressure-charging cavity. An outer skin body is arranged on the outer side wall of the pressure-charging cavity, and an inner skin body is arranged on the inner side wall of the pressure-charging cavity; a plurality of strip-shaped grooves which are parallel mutually and penetrate through the pressure-charging cavity are formed between the outer side wall and the inner side wall of the pressure-charging cavity; partition plates for partitioning the strip-shaped grooves into outer side grooves located in the outer side of the pressure-charging cavity and inner side grooves located in the inner side of the pressure-charging cavity are arranged in the strip-shaped grooves; pressure-charging pipes are arranged in the outer side grooves and the inner side grooves correspondingly, wherein the axes of the pressure-charging pipes correspond to the extending directions of the strip-shaped grooves; the two ends of the pressure-charging pipes are connected with the groove walls of the strip-shaped grooves correspondingly, and air inlets are formed in the pressure-charging pipes; and the bearing and deformation integrated pressure-charging oil tank skin further comprises a plurality of supporting air columns with the upper ends being hinged to the inner skin body. According to the bearing and deformation integrated pressure-charging oil tank skin, the defect that a traditional oil tank skin cannot deform is overcome; and along with consumption of fuel, the bearing and deformation integrated pressure-charging oil tank skin can generate inwards bending deformation, the air resistance of the bearing and deformation integrated pressure-charging oil tank skin is reduced, accordingly, the flight performance of an airplane is improved, and fuel consumption is also reduced.

Description

technical field [0001] The invention relates to a pressurized fuel tank skin integrated with bearing and deformation, belonging to the field of aircraft intelligent fuel tank skins. Background technique [0002] Conventional aircraft fuel tanks are generally designed for the best aerodynamic efficiency in a single flight state, and cannot achieve the best aerodynamic efficiency in all states of the flight envelope. A typical flight mission is generally composed of several different operational links, and the aircraft often needs to complete multiple combined tasks. Conventional aircraft fuel tanks are difficult to meet the needs of aircraft for the ability to perform multiple tasks. The aircraft needs to face different flight environments during the actual flight, which requires the shape of the aircraft's wings to change. In addition, the skin of the aircraft fuel tank also needs to change with the consumption of fuel, so as to reduce the flight resistance. [0003] A morp...

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the problems of insufficient bearing capacity and small deformation of the traditional fuel tank skin, the present invention provides a pressurized fuel tank skin with integrated load bearing and deformation. The invention can produce complex deformation, thereby reducing the resistance in flight; Bearing capacity, able to withstand various aerodynamic lift and drag acting on the surface during flight; with high temperature resistance, it can block the high temperature generated by friction during flight

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