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An end effector for active soft capture of space debris

A technology for end effectors and space debris, applied in aerospace equipment, transportation and packaging, tools, etc., to achieve the effect of simple structure, large capture tolerance, and long application time

Active Publication Date: 2021-11-09
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Its advantage is that it saves energy, does not need to carry propellant, but relies on thin film solar cells and electric power cables to generate high-efficiency power. risks of

Method used

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  • An end effector for active soft capture of space debris
  • An end effector for active soft capture of space debris
  • An end effector for active soft capture of space debris

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment one: if Figure 1-8 As shown, an end effector for active soft capture of space debris involved in this embodiment includes a support and protection device, a driving mechanism, a transmission mechanism, a capture claw and an electronic control unit system, and the support and protection device includes an end cover , the support shell, the installation interface and the catch claw lock limit device, the top end cover is installed on the upper part of the support shell, the installation interface is installed on the lower part of the support shell and the support and protection device form an upper cavity and a lower cavity, and the catch claw lock limit The positioning device is fixed on the support shell, the driving mechanism is installed in the lower cavity of the support and protection device, and the transmission mechanism is installed in the upper cavity of the support and protection device. The drive mechanism and the transmission mechanism are connecte...

Embodiment 2

[0027] Embodiment two: if figure 2 As shown, this embodiment involves an end effector for actively softly capturing space debris, and the transmission mechanism includes a power transmission member, a ball nut, a ball screw, a hinge seat, a connecting rod group and a swing rod group , the lower end of the power transmission part is connected with the output flange of the drive mechanism, the upper end of the power transmission part is connected with the input flange of the ball screw nut, the ball screw nut is axially connected with the supporting shell, and the upper end of the ball screw is fixed with the hinge seat Connection, the lower end of the connecting rod group is connected with the upper end of the hinge seat, the upper end of the connecting rod group is connected with the lower end of the swing rod group, and the middle section of the swing rod group is connected with the top end cover.

[0028] The power transmission part transmits the rotational motion of the dr...

Embodiment 3

[0029] Embodiment three: as image 3 As shown, this embodiment relates to an end effector for active soft capture of space debris, and the capture claw is a foldable and unfoldable multi-bar mechanism.

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Abstract

The invention provides an end effector for active soft capture of space debris, which belongs to the field of active removal of space debris. The top end cover of the present invention is installed on the upper part of the supporting shell, and the installation interface is installed on the lower part of the supporting shell so that the supporting and protecting device forms an upper cavity and a lower cavity, the locking claw locking and limiting device is fixedly connected on the supporting shell, and the driving mechanism is installed In the lower cavity of the support and protection device, the transmission mechanism is installed in the upper cavity of the support and protection device. The drive mechanism and the transmission mechanism are connected through flanges, and the upper end of the catch claw is fixedly connected to the transmission mechanism. control unit system connection. The invention has the characteristics of simple structure of the capture claw and large capture tolerance; it can be rigidly connected with various derotation devices on various space manipulators, and can be applied in a wide range; it can be launched in a folded state, the overall weight is light, the structure is compact, and space is saved ; It can be applied repeatedly, has high efficiency, can be used for a long time in orbit, and has good economic benefits.

Description

technical field [0001] The invention relates to an end effector for active soft capture of space debris, belonging to the field of active removal of space debris. Background technique [0002] As of December 31, 2013, the number of on-orbit debris cataloged by the US Space Monitoring Network has reached 16,906, while the number of tiny debris that cannot be cataloged exceeds 20 billion. The impact speed of space debris on the spacecraft can be as high as 15km / s. Once it collides with the spacecraft, it will damage or even directly destroy the spacecraft in orbit. greatest threat to safe operation. [0003] The United States, Europe, and Japan started research on the active removal of space debris earlier, and have proposed their own debris removal programs, and some key technologies have been demonstrated in orbit. But in general, the current level of development is still far from the in-orbit application, and is still in the stage of breakthrough and mastery of key techno...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G4/00
CPCB64G4/00
Inventor 孙奎李雪皑张圭尧赵京东刘宏
Owner HARBIN INST OF TECH
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