Rigid structure system of large airship

Abstract

The invention relates to a rigid structure system of a large airship. The rigid structure system of the large airship comprises a prestressed structure system and a flexible outer envelop structure. The prestressed structure system is composed of a central spindle, a plurality of prestressed stiffening rings and longitudinal connecting rods. The central spindle is located in the longitudinal center of an airship envelop and penetrates through the head and tail of the airship envelop, the concentric prestressed stiffening rings are arranged on the central spindle, the outer ends of the prestressed stiffening rings are connected through the longitudinal connecting rods, and the closed structure system is formed. According to the flexible outer envelop structure, a thin film material is used for being wrapped outside the structure. The rigid structure system improves the overall mechanical property and flight capacity of the large airship, the large airship can ascend / descend in a shape-preserving mode, and the airship has good flight capacity in a specified atmospheric environment and return capacity in an emergency state.

Description

technical field [0001] The invention relates to a rigid structure system suitable for large airships such as low-altitude airships, hollow airships and stratospheres, and belongs to the technical field of airship structures. Background technique [0002] Ball-like floating platforms, due to their aerodynamic shape characteristics lead to large resistance effects, cannot rely on the propulsion system for active horizontal position adjustment, and belong to floating platforms; airships with streamlined shapes have better aerodynamic effects, and belong to flying platforms . [0003] The flexible structure is suitable for low-altitude and light-loaded small airships; for low-altitude manned or heavy-loaded airships, the rigid structural skeleton can effectively distribute the load and avoid stress concentration on the capsule structure. At the same time, in the case of damage to the capsule structure, it can maintain the existing shape and maintain the ability to continue flyi...

AI Technical Summary

Problems solved by technology

[0004] Medium and high-altitude airships include stratospheric airships and tropospheric airships with an operating altitude of 4-8km. They are large in size. The use of flexible structures leads to low rigidity of the overall structure of the airship and high stress levels of the outer airbags; It is difficult to install auxiliary equipment such as cabin and propulsion device, the stress concentration phenomenon of the outer airbag is prominent, and the efficiency of the flight actuator is low

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