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LRM (Line Replaceable Module) module locking and plugging device

A locking and sliding block technology, applied in elastic/clamping device, component plug-in combination, circuit layout on support structure, etc. Reliable performance, eliminate machining and assembly errors, and automatically adjust the effect of tightening distances

Active Publication Date: 2011-06-01
AVIC NO 631 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a locking and plugging device for LRM modules, which solves the problems of complex structure, poor stability and reliability, and inconvenient locking and plugging operations of traditional products.

Method used

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  • LRM (Line Replaceable Module) module locking and plugging device
  • LRM (Line Replaceable Module) module locking and plugging device
  • LRM (Line Replaceable Module) module locking and plugging device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] The invention is mainly applied to the integrated rack and LRM module of airborne electronic equipment, provides reliable and fast structural interconnection function for airborne electronic equipment, and provides structural guarantee for quick replacement and installation of products in the field.

[0025] A locking and plugging device for an LRM module, which is composed of a fork assembly fixed on the frame and a plug assembly fixed on the LRM module; It is composed of the lower end fork bar, and the upper and lower fork mouths are respectively rigidly connected with the first pin and the second pin along the horizontal direction; the plug-in assembly includes an upper hook, a concave wheel part, a lower hook, an inner connecting rod and The push rod is fixed on the LRM module through the back of the upper hook and the lower hook; the upper hook and the lower hook are connected horizontally with the first pin shaft and the second pin shaft respectively, and the front...

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Abstract

The invention provides an LRM (Line Replaceable Module) module locking and plugging device, which settles the problems of complex structure, poor stability and reliability and inconvenient locking and plugging operations in traditional products. The device is composed of a fork lever component fixed on a frame and a plugging component fixed on an LRM module, wherein the plugging component is designed in such a manner that double concave wheels are in elastic tight fit with a four-link movement mechanism, pressure is applied to a pin in the fork lever by pulling a push rod in order to lock or plug out the LRM module. The LRM module locking and plugging device realizes the onsite hand plugging and locking function for the first time on the premise of conforming to the ARINC650 standard, the entire mechanism achieves the automatic adjustment for tightening distance, eliminates processing and assembling errors and has predetermined pretightening force, thereby guaranteeing the reliable tightening of equipment under various harsh vibratory conditions.

Description

technical field [0001] The invention relates to a module locking and plugging device, in particular to an LRM module locking and plugging device based on the ARINC650 standard. Background technique [0002] With the rapid development of avionics technology, the application fields of airborne electronic equipment continue to expand, the application environment is also more complex, and the requirements for structural interconnection technology continue to increase. Especially in recent years, the degree of integration of avionics systems has become higher and higher, and the structural form of electronic equipment has undergone major changes, and new requirements have been put forward for structural interconnection technology. In order to meet the structural interconnection requirements of airborne electronic equipment, various standards have also been established. [0003] It is applied to the integrated rack of airborne electronic equipment and the locking and unplugging o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K7/10H05K7/12
Inventor 焦超锋李力田沣任康醋强一任召
Owner AVIC NO 631 RES INST
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