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Connecting rod structure for combining composite material with metal

A composite material and connecting rod structure technology, applied in the direction of connecting rod, shaft and bearing, mechanical equipment, etc., can solve the problem of poor durability, and achieve the effect of increasing durability, reducing weight and reducing quality

Inactive Publication Date: 2019-01-08
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem of poor durability between the cylinder body and the metal joint of the existing composite material connecting rod, the present invention provides a connecting rod structure combining composite material and metal

Method used

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  • Connecting rod structure for combining composite material with metal
  • Connecting rod structure for combining composite material with metal
  • Connecting rod structure for combining composite material with metal

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0021] 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.

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0023] A connecting rod structure combining composite material and metal according to the present invention comp...

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Abstract

In view of a problem of poor durability of a barrel body and a metal connector of an existing composite connecting rod, the invention provides a connecting rod structure for combining a composite material with metal, and belongs to the technical field of aircraft weight reduction. The connecting rod structure provided by the invention comprises two metal connectors and a composite barrel body, wherein the two metal connectors are respectively connected with two ends of the composite barrel body; each metal connector comprises two metal lugs and one metal connecting structure; the two metal lugs are arranged at a first end of the metal connecting structure; the two metal lugs and the metal connecting structure form an integrated structure; the composite barrel body is an inner-outer double-cylinder structure; a tail end of the metal connecting structure of the two metal connectors is respectively connected with two end parts of an inner cylinder of the composite cylinder body; in an axial direction of the connecting rod, the metal connecting structure of the two metal connectors and the inner cylinder of the composite cylinder body are wound together by a composite material; and anouter cylinder of the composite cylinder body is formed on outer surfaces of the inner cylinder and the metal connecting structure.

Description

technical field [0001] The invention relates to a force transmission structure of an aircraft suspension box, in particular to a composite material connecting rod, which belongs to the technical field of aircraft weight reduction. Background technique [0002] The development of aircraft is mainly aimed at low cost and high carrying capacity. To achieve this goal, the first thing to solve is the problem of structural weight reduction. The lower link of the suspension box section is an important force transmission part of the suspension box section. It is used to connect Hang the bottom of the box section and the lower surface of the wing to transmit the thrust of the engine. Traditional aircraft, including B737, B777, and C919, all use metal materials, but with the advancement of composite material technology, compared with the traditional steel connecting rod structure, if the suspension connecting rod is made of metal and composite materials, the weight can be reduced 50%...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C7/02
CPCF16C7/026
Inventor 徐忠海杨帆温顺达白玉娇苗琳琳黄鑫蔡朝灿矫维成王荣国刘文博郝立峰李琳琳
Owner HARBIN INST OF TECH
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