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Deep space weak gravity celestial body attachment device and its construction method

A technology for attaching devices and celestial bodies, which is applied to the landing device of aerospace vehicles and the system for returning spacecraft to the earth's atmosphere, etc. It can solve the problems of low escape velocity of weak gravitational celestial bodies, and achieve simple structure, not easy to rebound, and good stability Effect

Active Publication Date: 2016-04-20
SHANGHAI SATELLITE ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The escape velocity of weakly gravitational celestial bodies is small, and the attachment device is required to quickly absorb the impact energy and firmly attach to the asteroid. The traditional lunar landing and Mars landing devices will not be suitable for the attachment of weakly gravitational celestial bodies

Method used

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  • Deep space weak gravity celestial body attachment device and its construction method
  • Deep space weak gravity celestial body attachment device and its construction method
  • Deep space weak gravity celestial body attachment device and its construction method

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Embodiment Construction

[0024] The following is a detailed description of the embodiments of the present invention: This embodiment is implemented on the premise of the technical solution of the present invention, and gives detailed implementation and specific operation procedures, but the protection scope of the present invention is not limited to the following implementations example.

[0025] Such as figure 1 As shown, this embodiment provides a deep-space weak gravitational celestial body attachment device, including an upper frame 5, a lower frame 7, a truss beam 6 and several sets of leg structures. The upper frame 5 and the lower frame 7 pass through the truss The beams 6 are connected, and each set of leg structures includes a main leg 1 and an auxiliary leg 2, wherein the first end of the main leg 1 is connected to the upper frame 5, and the auxiliary leg 2 The first end is connected to the lower frame 7, and the second ends of the main leg 1 and the auxiliary leg 2 are both connected to a cush...

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Abstract

The invention discloses an attached device of a deep-space weak-gravitation celestial body and a method for constructing the attached device. The attached device comprises an upper frame, a lower frame, truss girders and a plurality of leg structures; the upper frame is connected with the lower frame by the truss girders, each leg structure comprises a main leg and auxiliary legs, a first end of each main leg is connected onto the upper frame, a first end of each auxiliary leg is connected onto the lower frame, and a second end of each main leg and second ends of the corresponding auxiliary legs are connected with a foot cushion by connecting hinges; and aluminum honeycomb pressure-fed buffer material structures are arranged inside the main legs and the auxiliary legs. The attached device and the method have the technical advantages of simple structure, good stability, low pressure-fed threshold, difficulty in rebounding, high bearing capacity in weak-gravitation environments, and the like.

Description

Technical field [0001] The invention relates to the technical field of landing of deep-space celestial bodies, in particular to a deep-space weak gravitational celestial body attachment device and a construction method thereof. Background technique [0002] In my country's future asteroid attachment detection missions, the probe will attach to near-Earth asteroids for scientific exploration. Near-Earth asteroids have the characteristics of small mass and irregular shape, and are typical weak gravitational celestial bodies. The escape speed of weak gravitational bodies is small, and the attachment device is required to quickly absorb the impact energy and firmly attach to the asteroid. The traditional lunar and Mars landing devices will not be suitable for the attachment of weak gravitational celestial bodies. To this end, the design of attachment devices for deep-space weak-gravity celestial bodies is carried out. Summary of the invention [0003] Aiming at the above-mentioned s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/62
Inventor 施伟璜徐亮孙克新陆希
Owner SHANGHAI SATELLITE ENG INST
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