Reinforced load-bearing cylinder with open holes in the skin

A load-bearing tube and skin technology, which is applied to space navigation equipment, space navigation equipment, and space navigation aircraft, can solve problems such as insufficient anti-instability ability, and achieve the goal of improving anti-instability ability and strong versatility Effect

Active Publication Date: 2020-07-14
SHANGHAI SATELLITE ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing skin-reinforced or full-grid load-bearing cylinder design is obviously insufficient in anti-instability when carrying large loads: the skin-reinforced cylinder is locally unstable between the spiral rib grids near the fixed foundation and becomes the cylinder The weakest link of the body load; for the full grid cylinder, when the skin is completely removed, the tangential bending instability caused by the strip-shaped section of the spiral rib becomes the weakest link of the cylinder

Method used

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  • Reinforced load-bearing cylinder with open holes in the skin
  • Reinforced load-bearing cylinder with open holes in the skin
  • Reinforced load-bearing cylinder with open holes in the skin

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0022] Such as Figure 1 to Figure 2 As shown, a kind of skin perforated and reinforced load-bearing cylinder provided by the present invention includes a cylinder body 1 and an end frame 2; the cylinder body 1 includes grid ribs 11 and an open skin 12; the end frame 2 includes an upper end frame portion 21 , The lower frame portion 22; the grid rib 11 is arranged inside the opening skin 12; the upper frame portion 21 is arranged on the top of the cylinder 1; the lower frame portion 22 is arranged...

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Abstract

The invention provides a diaphragm opening stiffened bearing cylinder, which comprises a cylinder body and an end frame. The cylinder comprises a lattice rib and an open skin; The end frame comprisesan upper end frame part and a lower end frame part; A lattice rib is arrange on that inner side of the open skin; An upper end frame part is arrange on that top of the cylinder body; The lower end frame part is arranged at the bottom of the barrel. A circular through hole is arranged in the area corresponding to the rhombus area of the open skin, the skin material without radial support area is removed, and a part of the skin is reserved for lifting the tangential bending rigidity of the mesh rib, and the radial rigidity of the mesh rib stiffened bearing cylinder with the mesh rib with a stripsection is improved. The invention can greatly improve the anti-destabilization ability of the diaphragm opening stiffened bearing cylinder, and has strong universality.

Description

technical field [0001] The invention relates to the field of satellite components, in particular to a skin-opened and reinforced load-bearing cylinder. Background technique [0002] Composite skin-reinforced tubes and full-grid tubes play an important role in reducing the weight of satellite structures. At the same time, full-grid tubes also have certain advantages in terms of structural permeability, operability, and heat exchange. However, the existing skin-reinforced or full-grid load-bearing cylinder design is obviously insufficient in anti-instability when carrying large loads: the skin of the skin-reinforced cylinder is locally unstable between the spiral rib grids close to the fixed foundation and is the cylinder The weakest link of the body load; for the full grid cylinder, when the skin is completely removed, the tangential bending instability caused by the strip-shaped section of the spiral rib becomes the weakest link of the cylinder. How to design a load-bearing...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/34B64G1/22
CPCB64G1/22
Inventor 张娇杜冬李昊王建炜周星驰
Owner SHANGHAI SATELLITE ENG INST
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