FIELD: undocking means.
SUBSTANCE: group of inventions relates to decoupling means, for example, in space engineering. Non-pyrotechnical underscoring device includes a fastening cord, a knife assembly and at least two components for unlocking. Unlocking components are fixed on the first component, the fastening cord is configured to provide a tightening force of the said at least two locking release components, in order to allow said at least two locking release components to be in a first state to lock the second component, the hot knife assembly comprises a hot knife and a hot knife mounting portion. Hot knife mounting section is made of heat-insulating material. Fastening cord is partially in tight contact with the hot knife, and the hot knife is an electric heating element for heat release in order to melt the fastening cord, which allows said at least two locking release components to return to the second state to release the second component.
EFFECT: technical result of group of inventions is improvement of undocking reliability.
38 cl, 7 dwg
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