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Connecting rod type satellite-rocket separation mechanism

A star-arrow separation, link-type technology, applied in the field of star-arrow separation, can solve the problem of few types of separation mechanisms, and achieve the effect of large locking force, reduced unlocking impact, and solving unlocking impact.

Active Publication Date: 2020-09-04
AEROSPACE DONGFANGHONG SATELLITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are few types of separation mechanisms with low impact and high locking force.

Method used

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  • Connecting rod type satellite-rocket separation mechanism
  • Connecting rod type satellite-rocket separation mechanism
  • Connecting rod type satellite-rocket separation mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The present invention will be further described below in conjunction with accompanying drawing.

[0029] Such as figure 1 , figure 2 As shown, a connecting rod type star-arrow separation mechanism consists of an upper docking ring 1, a lower docking ring 2, a connecting rod type belt locking mechanism, a tension spring assembly, a separation spring assembly, a travel switch 12 and a separation switch 14.

[0030] Such as image 3 As shown, the link-type strap locking mechanism consists of 3 straps (2 pieces), 4 blocks (16 pieces), 5 (8 pieces) of block connecting pieces, 9 spring rings (4 pieces), and 16 end pins. (2 pcs), end pin cover 17 (2 pcs), middle pin 18 (2 pcs), middle pin circlip 19 (2 pcs), fixed link 20 (2 pcs), U-shaped connecting rod 21 (2 pcs ), pin with hole 22 (2 pcs), pin with hole circlip 23 (2 pcs), adjusting bolt 24 (2 pcs), pin puller seat 25 (2 pcs), leaf spring 15 (2 pcs), memory Alloy pin puller 26 (2 pieces) and electrical connector seat 2...

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Abstract

The invention provides a connecting rod type satellite-rocket separation mechanism. The mechanism comprises an upper butt joint ring, a lower butt joint ring, a connecting rod type belting locking mechanism, a tension spring assembly, a separation spring assembly, a travel switch and a separation switch. The mechanism is suitable for connecting and fixing a satellite and a rocket in a launching process of a microsatellite with a separation impact requirement smaller than 200 g and separating the satellite from the rocket after an orbit is entered, and is large in locking force and small in unlocking impact by combining a connecting rod type belting unlocking mechanism and a memory alloy pin puller.

Description

technical field [0001] The invention belongs to the field of satellite-rocket separation, and relates to a link-type satellite-rocket separation mechanism, which is especially suitable for the separation of micro-satellites with a separation impact requirement of less than 200g. Background technique [0002] The belt-type separation mechanism commonly used on David satellites uses explosive bolts for locking, which has a large locking force, but when unlocking, it needs to ignite the gunpowder inside the bolts, and the belt is unlocked by breaking the bolts. This method has too large unlocking impact The impact overload can reach up to 4000g or even higher. Due to the small size of the tiny satellite, the precision instruments carried are very sensitive to the impact generated by the satellite-rocket separation mechanism when the satellite-rocket separation mechanism is separated. The solar cells on the surface of the satellite are even close to the separation mechanism. May...

Claims

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Application Information

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IPC IPC(8): B64G1/64B64G1/22
CPCB64G1/22B64G1/64B64G1/645
Inventor 李腾飞单悌磊王瑞显马灵犀
Owner AEROSPACE DONGFANGHONG SATELLITE