Low-impact large-bearing stack type multi-star locking and releasing mechanism and working method thereof

Abstract

The invention discloses a low-impact large-bearing-capacity stack type multi-satellite locking and releasing device and a working method thereof, and particularly relates to the technical field of spacecraft structures. Comprising a satellite bottom plate, a locking and releasing device, a pressing rod, a pre-tightening force mechanism, a pressing rod push rod mechanism and a stackable satellite structure. The satellite bottom plate provides a fixed platform; the locking and releasing device is used for locking the stackable satellites and releasing the pressing rod; the pressing rod is connected with the locking and releasing device, so that the stackable satellites can be tensioned; the pre-tightening force mechanism can provide enough pre-tightening force for pressing and stacking satellites; the pressing rod push rod mechanism pushes the pressing rod to be separated away after the pressing rod is unlocked and released, and the separation safety of the stackable satellites is guaranteed. The non-pyrotechnic locking and releasing device is reasonable in structure and reliable in performance, has the characteristics of small unlocking impact, no pollution, large bearing capacity, safety, reliability and good separation synchronism, is suitable for locking and releasing stacked satellites, and ensures the stability of the stacked satellites in a rocket launching stage.

Description

technical field [0001] The invention belongs to the technical field of spacecraft structures, and in particular relates to a low-impact, large-load stacked multi-star locking and releasing mechanism and a working method thereof. Background technique [0002] With the development of space exploration and network technology, the expansion of satellite applications. With the rapid development of multi-satellite networking technology, the traditional one-arrow-one-satellite launch form is difficult to meet the status quo in terms of launch cost, networking efficiency, and economic timeliness. This year, the rapid development of multi-satellite launch technology at home and abroad, in order to achieve the purpose of rapid networking. The multi-satellite technology with one arrow is to send multiple satellites into the designated orbit at the same time, and quickly complete the satellite into-orbit network, which is suitable for the rapid network deployment task requirements of t...

AI Technical Summary

Problems solved by technology

The traditional inter-satellite locking is mainly composed of belt-type and point-type inter-satellite unlocking and separation. Most of them use pyrotechnic unlocking and separation. The pyrotechnic separation has problems such as poor safety, large impact load, and pollutants after detonation. The traditional unlocking Separation is difficult to meet the current multi-satellite separation form. Therefore, technical requirements such as low impact, large load capacity, energy saving and environmental protection, and good separation synchronization have become a new development direction.

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