The invention provides a double-blade type elastic hot knife unlocking device, and belongs to the technical field of satellite component unlocking. The device comprises a fixing plate, two hot knife assemblies are symmetrically arranged on the fixing plate, the hot knife assemblies are connected with the fixing plate through linear elastic structures, and a rope traction mechanism is further arranged between the two hot knife assemblies. The rope is wound around the hot knife parts on the two hot knife assemblies, the pre-tightened rope can compress the linear elastic structure so that the linear elastic structure can have elastic force perpendicular to the direction of the rope, the rope traction mechanism can gather the rope and pre-tighten the rope, and therefore a rope pre-tightening mechanism does not need to be additionally arranged on a satellite; the hot knife part generates high temperature, the elastic force of the linear elastic structure can drive the hot knife assembly to move upwards in the direction perpendicular to the rope so that the rope can be linearly cut through the hot knife part, the rope cutting path is short, and the cutting speed is high.
本发明提供了一种双刀型弹性热刀解锁装置,属于星上部件解锁技术领域。它包括固定板,所述的固定板上对称设置有两个热刀组件,所述的热刀组件通过直线型弹性结构与固定板相连,两个热刀组件之间还设有绳索牵引机构。绳索绕设过两个热刀组件上的热刀部,预紧后的绳索可以压缩直线型弹性结构从而使直线型弹性结构具备垂直于绳索方向的弹力,绳索牵引机构可以收束绳索并对绳索进行预紧,因而无需在星上额外设置绳索预紧机构,在进行解锁时,热刀部产生高温,通过直线型弹性结构的弹力可以驱使热刀组件沿垂直于绳索方向向上移动从而能够通过热刀部直线切割绳索,切割绳索的路径短,切割速度快。
Double-blade type elastic hot knife unlocking device
双刀型弹性热刀解锁装置
2025-01-28
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
Method for unlocking on-satellite component by using elastic hot knife unlocking device
European Patent Office | 2023
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