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Combined connecting structure of reinforced composite material and metal material

A composite material and metal material technology, applied in the field of connection and assembly of dissimilar materials, can solve problems such as low load transfer efficiency, joint damage, and uncoordinated deformation, and achieve high load transfer efficiency, improved strength and stiffness, and deformation coordination. Good results

Pending Publication Date: 2019-11-05
725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current reinforced composite material is only connected to the metal frame through the panel, and there is no connection between the rib and the metal frame, so that the load transfer efficiency between the metal frame and the composite material is low, and the deformation between the two structures is not coordinated. The connection is prone to damage and other problems

Method used

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  • Combined connecting structure of reinforced composite material and metal material
  • Combined connecting structure of reinforced composite material and metal material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] combined with figure 2, the metal material component in this embodiment adopts Q235 hull steel, the shape of the longitudinal section is "I" structure, the face plate and rib of the reinforced composite material component are sandwich composite materials, and the connecting joints and ear plates are composite material laminates Among them, the composite material of the surface layer of the panel and the rib, as well as the composite material of the connecting joint and the ear plate are all made of E glass fiber / vinyl resin, and the sandwich core material of the panel and the rib are made of H80 foam. The entire reinforced composite component is integrally formed using a vacuum assisted (VARI) forming process. The thickness of the connecting joint is obtained according to the size of the load, and the length of the connecting joint is required to be greater than 4 times the diameter of the connecting bolt, and is required to be greater than half of the width of the hor...

Embodiment 2

[0046] combined with figure 2 , the metal material components in this embodiment are made of Q235 hull steel, the shape of the longitudinal section is "I" type structure, the panels, connecting joints and ear plates of the reinforced composite material components are all composite material laminates, and the reinforcing ribs are sandwich composite Material reinforcement ribs, among which, the composite materials of panels, connecting joints and ear plates, and the surface layer composite materials of the reinforcement ribs are all made of E glass fiber / vinyl resin, and the sandwich core material of the reinforcement ribs is made of H200 foam. The entire reinforced composite component is integrally formed using a vacuum assisted (VARI) forming process. The thickness of the connecting joint is obtained according to the size of the load, and the length of the connecting joint is required to be greater than 4 times the diameter of the connecting bolt, and is required to be greate...

Embodiment 3

[0052] combined with figure 2 , the metal material components in this embodiment are made of Q235 hull steel, and the shape of the longitudinal section is "I" type structure. Using E-glass / vinyl resin, the entire reinforced composite component is integrally formed using a vacuum-assisted (VARI) molding process. The thickness of the connecting joint is obtained according to the size of the load, and the length of the connecting joint is required to be greater than 4 times the diameter of the connecting bolt, and is required to be greater than half of the width of the horizontal plate. The transition angle between the joint and the panel is 0°. The lug height is the same as the rib height.

[0053] The horizontal plate in the metal material component is slotted according to the position and size of the rib and the lug plate to ensure that the lug plate is closely connected with the vertical plate of the "I" structure. Countersunk bolts are used to connect the connection join...

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Abstract

The invention discloses a combined connecting structure of a reinforced composite material and a metal material. The combined connecting structure of the reinforced composite material and the metal material comprises two reinforced composite material components, a metal material component and a plurality of externally-arranged connecting bolts, wherein the two reinforced composite material components are symmetrically arranged left and right, and the metal material component is arranged between the two reinforced composite material components in a matched mode. According to the combined connection structure of the reinforced composite material and the metal material, the problem of connection reliability between the composite material and a metal framework can be effectively solved, the transfer efficiency of loads between structures of different materials is improved, the coordination of deformation is ensured, and therefore the overall safety of the combined connection structure is improved.

Description

technical field [0001] The invention relates to the technical field of connection and assembly of dissimilar materials, in particular to a joint connection structure of reinforced composite materials and metal materials. Background technique [0002] As a new functional and structural material, composite materials have a series of advantages such as light weight, high specific strength and specific stiffness, high damping performance, chemical corrosion resistance, and fatigue resistance. They are used in many fields such as aviation, aerospace, automobiles, ships, buildings, and bridges. has been widely used. With the extensive application of composite materials, it is inevitable that there will be connections between composite material modules and other material modules. Connection is an important link in the design and manufacture of composite material structures, and it is also an important factor that determines the performance and safety of the overall structure. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B5/00F16B5/02
CPCF16B5/0004F16B5/02
Inventor 吴医博康逢辉郭浩昌罗琦郭万涛
Owner 725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
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