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A locking release device based on shape memory polymer composite

A memory polymer and composite material technology, applied in the aerospace field, can solve the problems of large impact, complex mechanism, heavy locking and releasing mechanism, etc., and achieve the effects of small impact, simplified mechanism and improved reliability

Active Publication Date: 2021-04-13
苏州智新复合材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention aims to propose a locking and releasing device based on a shape memory polymer composite material to solve the problems of the traditional locking and releasing mechanism, such as heavy mass, complex mechanism, and excessive impact during the release process

Method used

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  • A locking release device based on shape memory polymer composite
  • A locking release device based on shape memory polymer composite
  • A locking release device based on shape memory polymer composite

Examples

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Embodiment Construction

[0030] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0032] Such as Figure 1-Figure 3 As shown, a lock release device based on a shape memory polymer composite material, including a lock drive mechanism, a lock mechanism and a pre-tightening mechanism, the lock drive mechanism includes a shape memory polymer composite material The locking sheet 1 and the spring 5, the electric heating film 4 is attached to the surface of the locking sheet 1, the locking mechanism includes a locking pin 2, a spring support 3 and a locking support 6, the pre-set The tightening mechanism includes a pre-tightening nut 7 and a top wire 8. The two ends of the locking sheet 1 are fixedly connected to the top of the locking pin 2 and the top of the spring suppor...

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Abstract

The invention provides a lock release device based on a shape memory polymer composite material, comprising a lock drive mechanism, a lock support mechanism and a pre-tightening mechanism, the lock drive mechanism includes a lock made of a shape memory polymer composite material Tightening layer and spring, the surface of the locking layer is attached with an electric heating film, the locking mechanism includes a locking pin, a spring support and a locking support, the pre-tightening mechanism includes a pre-tightening nut and a top wire, and the two ends of the locking layer The top of the locking pin and the top of the spring support are respectively fixedly connected, the two ends of the spring are respectively fixedly connected with the locking pin and the spring support, the spring support is fixedly connected with the upper part of the locking support, and the pre-tightening nut is adjacent to the lower part of the locking support Set and fixed on the bottom plate, the spring support and the pre-tightening nut are arranged on the opposite sides of the locking support, the top wire penetrates the pre-tightening nut and conflicts with the lower part of the locking support, and the locking support is provided with a Slotted mounting holes for backplane connection. The locking and releasing process of the present invention is smooth and has little impact on the system.

Description

technical field [0001] The invention belongs to the field of aerospace technology, and in particular relates to a locking and releasing device based on a shape-memory polymer composite material. Background technique [0002] In the field of aerospace, pyrotechnic devices such as explosive bolts and pyrotechnic cutters are mostly used for the connection and separation of spacecraft and payloads. Both attitude and precision control have serious implications. [0003] At present, in our country, although many technical achievements and engineering applications have been made in the field of spacecraft connection and separation mechanisms in recent years, the research on large-load low-impact locking and releasing mechanisms for on-orbit applications has not yet been carried out, and the existing The lock release mechanism has the problems of heavy mass, complex mechanism, and excessive impact during the release process. [0004] A locking release mechanism based on a shape me...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B1/04F16B19/02
CPCF16B1/04F16B19/02F16B2200/77
Inventor 冷劲松刘彦菊刘政贤刘立武兰鑫戴雯煦彭凡
Owner 苏州智新复合材料有限公司
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