Spacecraft gridded composite bearing cylinder

A composite material and bearing tube technology, applied in the field of aerospace vehicles, can solve the problems of large bearing capacity and weak bearing capacity, and achieve the effect of improving bearing capacity, strong bearing capacity and light weight

Inactive Publication Date: 2012-04-25
SHANGHAI SATELLITE ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the defects of large mass and weak bearing capacity of the load-bearing cylinder in the prior art, the present invention provides a load-bearing cylinder with small mass and strong load-bearing capacity

Method used

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  • Spacecraft gridded composite bearing cylinder
  • Spacecraft gridded composite bearing cylinder
  • Spacecraft gridded composite bearing cylinder

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] In one embodiment, the bearing cylinder of the present invention includes an upper end frame (1), a lower end frame (4), a skin (6) and grid tendons (7). Wherein, the outside of the grid ribs (7) is wrapped with a skin (6) to form a vertically transparent cylinder, the upper edge and lower edge of the cylinder respectively include an upper end frame (1) and a lower end frame (4). In this embodiment, the height of the formed bearing cylinder is between 1320mm and 1380mm, and the diameter of the cylinder is between 1100mm and 1250mm. This range of height and diameter is conducive to the installation of other components such as propellant tanks in spacecraft part. However, in other embodiments, the height and diameter of the bearing cylinder can also be adjusted accordingly as required.

[0026] The function and realization of each part ...

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PUM

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Abstract

The invention discloses a spacecraft gridded composited bearing cylinder, comprising an upper end frame, a lower end frame, a skin and a gridded rib, wherein the exterior of the gridded rib is wrapped with the skin to form an up-down through barrel, the upper edge and the lower edge of the barrel respectively comprise the upper end frame and the lower end frame; quantity of left rotating ribs and the quantity of right rotating ribs in the gridded rib are the same, and a prismatic grid is formed, wherein the rib angle is 30-45 degrees, and rib space is 80-150mm; the upper end frame and the lower end frame are formed by continuously flanging fibres of the skin and the gridded rib; and the upper end frame and the lower end frame respectively comprise a mounting interface for the bearing cylinder and a horizontal structural slab arranged outside. The spacecraft gridded composited bearing cylinder disclosed by the invention adopts a design form of skin+gridded rib composite bearing cylinder, structural mass is reduced by about 40% compared with an aluminium honeycomb interlayer bearing cylinder, important significance is realized during weight reduction of a satellite structure, and satellite platform bearing capacity is improved.

Description

technical field [0001] The invention relates to an aerospace vehicle, in particular to a satellite grid-shaped composite material load-bearing cylinder. Background technique [0002] The load-bearing tube is the load-bearing structure that carries the main load of the satellite. It is the core of the assembly of the entire satellite structure. It bears the main load of the entire spacecraft and directly transmits the load of the launch vehicle to all parts of the entire spacecraft. As the core of the entire spacecraft structure assembly, most structural components are combined around the load-bearing cylinder. The load-bearing cylinder can not only provide the installation interface and space for the propellant tank, but also provide the reference for the design and process of the spacecraft, the supporting surface of the satellite during ground assembly, testing, transportation, and storage, as well as the machinery of the spacecraft and ground support equipment. interface...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64G1/10
Inventor 王志国周徐斌林德贵杜冬
Owner SHANGHAI SATELLITE ENG INST
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