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Novel unlocking separation mechanism

A technology of separation mechanism and unlocking mechanism, which is applied in the field of avionics, can solve the problems of unfavorable throwing recorders to maintain aircraft flight safety, large explosion energy, and fast speed, so as to improve survivability, reduce the risk of damage, and have a simple structure Effect

Pending Publication Date: 2020-12-11
SHAANXI QIANSHAN AVIONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the unlocking and separating mechanisms used for the release recorder at home and abroad use pyrotechnics as the power source. Due to the use of pyrotechnics, the explosion energy is large and the speed is fast, which is not conducive to the maintenance of the release recorder and the flight safety of the aircraft.

Method used

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Embodiment Construction

[0023] Embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings.

[0024] Embodiments of the present disclosure are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Apparently, the described embodiments are only some of the embodiments of the present disclosure, not all of them. The present disclosure can also be implemented or applied through different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in the present disclosure, a...

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Abstract

The embodiment of the invention provides a novel unlocking separation mechanism, and belongs to the technical field of avionics. The novel unlocking separation mechanism specifically comprises a base,a recorder connecting seat and a spring unlocking mechanism, wherein the base is of a hollow tubular structure, one end of the base is provided with a shape memory alloy power source, and the side wall of the other end of the base is circumferentially provided with a plurality of first through holes; the recorder connecting seat is used for fixing a throwing recorder, and second through holes areformed in the positions, corresponding to the first through holes, of the side wall of the recorder connecting seat in the circumferential direction; and the spring unlocking mechanism comprises a thrust spring arranged on the outer wall of the base in a sleeving mode and a limiting steel ball used for limiting and locking the recorder connecting seat and the base. The novel unlocking separationmechanism can separate the throwing recorder from an aircraft body at the key moment of aircraft accidents, so that the throwing recorder escapes from the severe crash environment, and the survival capacity of the throwing recorder is improved.

Description

technical field [0001] The present disclosure relates to the technical field of avionics, in particular to a novel unlocking and separating mechanism. Background technique [0002] With the rapid development of aviation technology, more accidents such as plane crashes have occurred, which put forward higher requirements for the survival rate of the recorder. The fixed recorder does not have the ability to float in the sea, and the recorder is difficult to search and the salvage period is long. The problem of high cost. The drop recorder is a device that can improve the recovery efficiency of the recorder after a helicopter crash. When the helicopter crashes, it is separated from the body, lands or falls into the water after deceleration, can float on the water, and automatically completes the positioning, which is convenient for search personnel to quickly find the recorder. location, implement salvage. [0003] At present, most of the unlocking and separating mechanisms u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64D25/20
CPCB64D25/20
Inventor 仇胜斌管鹏王伟
Owner SHAANXI QIANSHAN AVIONICS
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