A carbon fiber composite car body and its manufacturing method

A composite material and carbon fiber technology, applied in the field of rail transit, can solve the problem of no general method for manufacturing composite material car body, and achieve the effect of high degree of production integration, good for safety, and improvement of stiffness and strength.

Active Publication Date: 2018-09-25
SOUTHWEST JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are currently no carbon fiber composite car bodies on the market, nor is there a general method for making composite car bodies

Method used

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  • A carbon fiber composite car body and its manufacturing method
  • A carbon fiber composite car body and its manufacturing method
  • A carbon fiber composite car body and its manufacturing method

Examples

Experimental program
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Embodiment Construction

[0028] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0029] Such as Figure 1 to Figure 4 As shown, a carbon fiber composite vehicle body of the present invention includes a vehicle body 1 and a bottom plate 2, and the bottom plate 2 is fixedly connected to the bottom of the vehicle body 1 through rivets. Both the vehicle body 1 and the bottom plate 2 are integrally formed. The outer skin 11, the sandwich layer 12 and the inner skin 13 are sequentially arranged from the outside to the inside. The inner skin 13 is bonded with a reinforcing rib 3, and the reinforcing rib 3 includes a U-shaped part and a A rectangular part consistent with the longitudinal section shape of the vehicle body 1, the two parts of the ribs 3 intersect at the lower part of the body 1; Vertical; the outer skin 11, inner skin 13, bottom plate 2 and ribs 3 are all made of carbon fiber prepreg; the sandwich layer 12 is honeycomb or...

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PUM

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Abstract

The invention discloses a car body made of carbon fiber composite material, which comprises a car body and a bottom plate, the bottom plate is connected with the bottom of the car body, and the car body is made by integral molding, including an outer skin, a sandwich layer and an inner skin sequentially arranged from the outside to the inside, and the inner skin There are reinforcing ribs bonded on the skin, which has the characteristics of high rigidity, light weight, sound insulation and heat insulation; the carbon fiber composite car body of the present invention is composed of a body and a bottom plate connected by integral molding, which can greatly reduce the cost of the car body. The connection structure improves the rigidity and strength of the car body, which is more conducive to the safety of the car body. The invention also discloses a method for manufacturing a car body made of carbon fiber composite material, which has a high degree of production integration and is of great significance for reducing the manufacturing cost and improving the rigidity and strength of the car body at the same time.

Description

technical field [0001] The invention belongs to the technical field of rail transit, and in particular relates to a car body made of carbon fiber composite material and a manufacturing method thereof. Background technique [0002] The light weight of trains has important value in many aspects such as energy saving and safety. Traditional train bodies are generally made of stainless steel or aluminum alloy. Compared with them, carbon fiber composite materials have lower density, higher stiffness and strength. Therefore, the manufactured car body has lighter weight and better safety. [0003] There is currently no carbon fiber composite body on the market, nor is there a general method for making a composite body. The manufacturing and molding of carbon fiber composite materials is completely different from traditional metal materials. A reasonable molding solution will greatly reduce manufacturing costs and optimize the structure. Contents of the invention [0004] The o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B61D17/00B29C70/30
Inventor 杨杰
Owner SOUTHWEST JIAOTONG UNIV
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