A lightweight spacecraft main structure

Abstract

The invention belongs to the technical field of spacecraft structures, and in particular relates to a spacecraft main structure having to carry a large mass storage case in the field of high orbit ordeep space exploration. The light weight-type spacecraft main structure comprises a base plate, a center angle box, a top plate, four separation plates, four side plates and four inclined side plates.The light weight-type spacecraft main structure is of an octagonal pillar structure with an outwardly-projected top part and an outwardly-projected bottom part; and the structural weight can be effectively reduced at the whole spacecraft arrangement level. To satisfy structure rigidity and equipment installation demands, the top plate is designed to be an aluminum panel aluminum honeycomb sandwich structure plate; the base plate is designed to be a carbon fiber reinforced resin stiffened shell; the rest structural plates are designed to be carbon fiber reinforced resin panel aluminum honeycomb sandwich structure plates. Instrument installation is achieved with cabin plates having the minimum area, so the whole spacecraft structural weight can be greatly reduced; and a lighter detector having a better configuration can be designed in cooperation with the overall system.

Description

technical field [0001] The invention belongs to the technical field of spacecraft structures, and in particular relates to a main structure of a spacecraft in the field of high-orbit or deep-space exploration that needs to carry a large-mass tank. Background technique [0002] The main structure types of spacecraft mainly include: central load-bearing cylinder structure, bar system structure, box-plate structure, and shell structure. The central load-bearing cylinder structure and the shell structure are conducive to ensuring the structural strength and rigidity, but they are not suitable for equipment installation; the bar system structure and box-plate structure are better for equipment installation, but the openness and The ability to withstand concentrated loads is better than that of the box-slab structure, and the overall rigidity and stability of the box-slab structure are better than that of the bar system structure. [0003] For high-orbit and deep-space exploratio...

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Problems solved by technology

[0006] In order to meet the constraints of compact space, light weight, and the cross-sectional size is not very rich compared with the size of existing equipment, it is necessary to combine the advantages of the box-plate structure and the shell structure, and design a box-plate and shell fusion into a cabin The structure of the body solves the contradiction between increasing the installation space of the equipment, reducing the weight and improving the strength and rigidity of the structure

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