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Space fragment passive folding envelope capturing mechanism

A technology for capturing mechanism and space debris, applied in transportation and packaging, aerospace equipment, tools, etc., can solve problems such as difficulty in capture, failure, and capture failure, and achieve wide applicability, prolong service life, and improve capture The effect of capture success rate

Active Publication Date: 2019-10-08
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to external disturbances, most space debris floats and spins in space, and tiny space debris will collide with the spacecraft. The collision can cause the loss of the functions of the spacecraft's components, subsystems and the whole device, and may also cause the entire spacecraft to explode and disintegrate. And then completely fail, resulting in serious consequences
[0003] Therefore, it is necessary to capture and collect space debris. Due to the uncertain geometric shape and uncertain motion state of space debris, the debris cannot be accurately monitored at present. Determine the capture point and use the traditional point contact method to capture. There will be relative movement between the space debris and the capture mechanism, which will cause difficulties in the capture and cause capture failure

Method used

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  • Space fragment passive folding envelope capturing mechanism
  • Space fragment passive folding envelope capturing mechanism
  • Space fragment passive folding envelope capturing mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] refer to figure 1 with figure 2 , a passive folding envelope capture mechanism for space debris, including a pentagonal bottom blade 1, the outer wall of the bottom blade 1 is connected to the manipulator, and a blade group 50 is hinged on each side of the bottom blade 1, and the bottom blade 1 and the blade group 50 are connected through the pneumatic artificial muscle 7, and the pneumatic artificial muscle 7 is connected with the inflatable device. When the space debris is captured, the pneumatic artificial muscle 7 is inflated, and each blade group 50 rotates around the hinged end toward the direction of the space debris. When the mechanism is closed, the five blade groups 50 and the bottom blade 1 form a spherical structure, covering space debris in the spherical body.

[0041] read on image 3 , five blade groups 50 are arranged on each edge of the bottom blade 1 along the center of the bottom blade 1, and each blade group 50 includes two blade units with the sa...

Embodiment 2

[0055] The structure and principle of this embodiment are basically the same as those of Embodiment 1, the difference lies in the structure of the vane set, and the specific structure of the vane set is as follows.

[0056] refer to Figure 8 , there are six blade groups on the edge circumference of the bottom blade 1, and the blade groups are hinged with the bottom blade 1. arc structure.

[0057] During the capture process, the blade group rotates in the direction of space debris under the control of the pneumatic artificial muscle. When the capture mechanism is closed, the six blade groups form a spherical structure.

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Abstract

The invention discloses a space fragment passive folding envelope capturing mechanism. A bottom blade and a plurality of blade sets hinged to the edge of the bottom blade are included. The blade setsand the bottom blade are connected through artificial muscles. In the process of space fragment approaching, point contact capturing is not adopted, through closing of the blade sets of the capturingmechanism, a spherical envelope is formed by the blade sets, the closed envelope is formed for the space fragments, and accordingly space fragment capturing is finished. The wrapping type capturing manner is adopted in the envelope capturing mechanism, accurate positioning of the space fragments is not needed, the space fragment capturing success rate is improved, the space fragment passive folding envelope capturing mechanism is used for capturing space fragments with any shapes, and applicability is wide.

Description

technical field [0001] The invention relates to the field of capture of tiny space debris, in particular to a passive folding envelope capture mechanism of space debris. Background technique [0002] In recent years, with the increasing number of space activities, the number of space debris has increased exponentially. Due to external disturbances, most space debris floats and spins in space, and tiny space debris will collide with the spacecraft. The collision can cause the loss of the functions of the spacecraft's components, subsystems and the whole device, and may also cause the entire spacecraft to explode and disintegrate. And then completely fail, causing serious consequences. [0003] Therefore, it is necessary to capture and collect space debris. Due to the uncertain geometric shape and uncertain motion state of space debris, the debris cannot be accurately monitored at present, and the capture point cannot be determined. The traditional point contact method is use...

Claims

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Application Information

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IPC IPC(8): B64G4/00
CPCB64G4/00B64G2004/005
Inventor 孙冲万文雅李启新郭宇飞欧阳一农宋金丰
Owner NORTHWESTERN POLYTECHNICAL UNIV