Hot knife type hook-lock separation mechanism

Abstract

The invention relates to separation unlocking devices, in particular to a hot knife type hook-lock separation mechanism. The hot knife type hook-lock separation mechanism comprises lock-hook releasing mechanisms, hot knife assemblies, a fastening rope, fastening rope guide sleeves, a rope pre-fastening spring and a bottom plate, wherein at least three lock-hook releasing mechanisms are uniformly distributed on the bottom plate in the circumferential direction; the rope pre-fastening spring is arranged on the bottom plate, the two ends of the rope pre-fastening spring are connected with the two ends of the fastening rope correspondingly, and the fastening rope is surrounded at the tail ends of hooks of all the lock-hook releasing mechanisms in the circumferential direction; the hot knife assemblies are arranged on the bottom plate, located in the position opposite to the rope pre-fastening spring and used for fusing the fastening rope; the fastening rope guide sleeves used for guiding the fastening rope are arranged on the bottom plate. According to the hot knife type hook-lock separation mechanism, the non-pyrotechnic unlocking device low in impact and free of pollution, that is, the hot knife type unlocking mechanism is adopted, and due to the fact that combustion or explosion of gunpowder in the releasing process is avoided, the hot knife type hook-lock separation mechanism has the advantages of being free of impact and pollution, good in safety, capable of being repeatedly used during ground test and the like.

Description

technical field [0001] The invention relates to a separation and unlocking device, in particular to a hot knife type hook lock separation mechanism. Background technique [0002] In the field of spacecraft launch technology, separation devices occupy an important position. As a key component in the launch phase of a spacecraft, the separation device directly affects whether the space mission can be successfully completed. The traditional pyrotechnic separation device has a large separation load, which has potential adverse effects on the spacecraft. In view of this disadvantage, it is urgent to develop a new type of separation device, which has the characteristics of small separation load, large load, less energy required and controllable speed. Contents of the invention [0003] In view of the above problems, the object of the present invention is to provide a hot knife type hook lock separation mechanism. The mechanism is stable, reliable and low-cost, and can be appl...

AI Technical Summary

Problems solved by technology

The traditional pyrotechnic separation device has a large separation load, which has potential adverse effects on the spacecraft

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