Curved surface composite material connecting structure, forming method and rail vehicle

A composite material and connection structure technology, applied in the direction of railway car body, railway car body parts, household components, etc., can solve the problems of skin processing, connection and assembly difficulties, etc., and achieve the effect of reducing processing difficulty

Active Publication Date: 2020-07-28
CRRC QINGDAO SIFANG CO LTD
View PDF18 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, the present invention proposes a curved surface composite material connection structure to solve the problems of difficult processing, connection and assembly of composite curved surface skins

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Curved surface composite material connecting structure, forming method and rail vehicle
  • Curved surface composite material connecting structure, forming method and rail vehicle
  • Curved surface composite material connecting structure, forming method and rail vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.

[0042] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to the field of composite materials, and provides a curved surface composite material connecting structure, a forming method and a rail vehicle. The curved surface composite material connecting structure comprises a pair of composite material curved surface skins and a connecting beam, wherein the pair of composite material curved surface skins is spliced on the outer surfaceof the connecting beam; the curved surface composite material connecting structure further comprises a plurality of thickening sheets which are fixedly arranged on the bonding surface of each composite material curved surface skin correspondingly; the plurality of thickening sheets are arranged on the bonding surface of each composite material curved surface skin at intervals; the bonding surfaceof each composite material curved surface skin is in contact with the outer surface of the connecting beam through the thickening sheets; a gap is formed between each composite material curved surface skin and the outer surface of the connecting beam; and the gaps are filled with adhesive layers. According to the curved surface composite material connecting structure, the forming method and the rail vehicle, the machining, connecting and assembling difficulty of the whole composite material connecting structure can be reduced, so that the structure is firmer when the composite material curvedsurface skin is bonded with the connecting beam.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a curved surface composite material connection structure, a forming method and a rail vehicle. Background technique [0002] The bonding surface of the composite material curved skin is uneven (due to the limitation of the autoclave molding process, the molded composite part has a rough surface, and the surface thickness may have an error within ± 3mm), and when bonding with another curved surface part (such as special-shaped C-shaped beams), the fit of the two curved surface parts is not good, there will be many gaps in the middle and the thickness is not uniform, and the sealing is not good. In order to ensure the strength of the adhesive layer, controllable thickness, and excellent air tightness, it is generally adopted to precisely control the shape of the curved surface by machining first, and then use the method of bonding with structural adhesive. [0003] How...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B29C70/44B29C70/54B29C65/72B29C65/52B29C65/78B29C65/60B61D17/04B29L31/30
CPCB29C65/526B29C65/601B29C65/72B29C65/7808B29C70/44B29C70/545B29L2031/30B61D17/043
Inventor 田洪雷涂勤书宋显刚王浩陶桂东
Owner CRRC QINGDAO SIFANG CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap