CN221197237U

CN221197237U - Composite material lamp post with sandwich structure

Info

Publication number: CN221197237U
Application number: CN202323163362.6U
Authority: CN
Inventors: 李俊; 刘煜; 韩旭; 高婷婷; 黄婕
Original assignee: Jiangsu Xinyang New Material Co ltd
Current assignee: Jiangsu Xinyang New Material Co ltd
Filing date: 2023-11-23
Publication date: 2024-06-21
Anticipated expiration: 2033-11-23

Abstract

The utility model discloses a sandwich structure composite material lamp post in the technical field, which comprises a core mold layer, a core layer and a cladding layer from inside to outside, wherein the core mold layer, the core layer, the cladding layer and a flange plate are made of carbon fiber composite materials.

Description

Composite material lamp post with sandwich structure

Technical Field

The utility model relates to the technical field of composite products, in particular to a lamp post.

Background

The carbon fiber composite material has the characteristics of high specific strength, high specific modulus, low density, high strength, good high-temperature performance and good forming property, and has wide application fields. The lamp post in the prior art is mostly made of metal materials, and the metal lamp post has the problems of large weight, easy corrosion and the like.

Disclosure of utility model

Aiming at the defects in the prior art, the utility model provides the lamp post made of the composite material with the sandwich structure, which reduces the weight of the lamp post and improves the corrosion resistance of the lamp post.

The purpose of the utility model is realized in the following way: the utility model provides a sandwich structure combined material lamp pole, includes from inside to outside mandrel layer, sandwich layer and cladding layer, mandrel layer, sandwich layer, cladding layer and ring flange adopt carbon fiber combined material to make.

As a further limitation of the sandwich structure composite material lamp pole, the bottom of the core layer is connected with the flange plate, and the core layer and the flange plate are of an integrated structure.

As a further limitation of the sandwich structure composite material lamp post, the flange plate is provided with a plurality of bolt holes.

As a further limitation of the sandwich structure composite material lamp post, the core mold layer is manufactured by adopting a pultrusion process.

As a further limitation of the sandwich structure composite material lamp post, the core layer is formed by paving a plurality of layers of prepreg.

As a further limitation of the sandwich structure composite material lamp post, the directions of the core prepreg are staggered.

As a further limitation of the sandwich structure composite material lamp post, the cladding layer is manufactured by adopting a mould pressing process.

As a further limitation of the sandwich structure composite material lamp post, the core mold layer, the core layer and the cladding layer are hollow tubular structures.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, the carbon fiber composite material is selected, so that the lamp post is lighter than the traditional metal lamp post, and has good insulativity and strong designability;

The novel sandwich structure composite material lamp post provided by the utility model has the advantages that the inside of the lamp post is in a sandwich structure form, the rigidity and the strength of the lamp post are ensured by the core mold layer and the cladding layer, and the wear resistance and the bending resistance of the surface layer of the lamp post are enhanced;

The utility model adopts the combined molding of the pultrusion process and the compression molding process, the core mold layer is completed by the pultrusion process, and the core mold is provided for molding the compression molding coating layer, so that the core mold is not required to be manufactured independently, the special-shaped lamp post can be molded, the compression molding surface is smooth and attractive, galvanization is not required, and no pollution is caused to the environment;

According to the utility model, the core layer and the flange plate are integrally formed, so that the installation procedure is reduced, the bolt holes are pre-embedded in the flange plate, and drilling processing is not required when the flange plate is connected with the ground, so that the strength of the bottom of the lamp post is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

FIG. 3 is a schematic illustration of a core lay-up according to the present utility model.

Wherein, 100 mandrel layers, 200 core layers, 300 cladding layers, 400 flange plates and 401 bolt holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

A composite lamp pole with a sandwich structure as shown in fig. 1-2 comprises a core mold layer 100, a core layer 200 and a cladding layer 300 from inside to outside, wherein the core mold layer 100, the core layer 200, the cladding layer 300 and a flange 400 are made of carbon fiber composite materials.

It should be noted that, in the sandwich structure, the core layer 200 is used as a main stress structure, and the core mold layer 100 and the cladding layer 300 are matched to ensure the rigidity and strength of the lamp pole, and enhance the wear resistance and the bending resistance of the surface layer of the lamp pole.

Further, the flange 400 is connected to the bottom of the core layer 200, and the core layer 200 and the flange 400 are integrally formed.

Specifically, the flange 400 and the core layer 200 are integrally formed, and compared with an all-metal structure, the flange has light weight, and compared with a structure in which the composite material and the flange 400 are fixed (such as bolts, etc.) in other connection modes, the integrally formed structure has better connection reliability.

Further, the flange 400 is provided with a plurality of bolt holes 401.

Specifically, a connecting bolt is embedded in the bolt hole 401.

It should be noted that, for traditional metal material installation connecting bolt, pre-buried connecting bolt precision is higher, and later stage connection fixed use is more reliable.

Further, the mandrel layer 100 is fabricated using a pultrusion process.

It should be noted that, the pultrusion process is not repeated in this scheme as a mature process, the core mold layer 100 is completed through the pultrusion process, a core mold is provided for molding the core layer 200 and the cladding layer 300, the core mold is not required to be remanufactured, the carbon fiber volume of the core mold layer 100 is convenient to control, the special-shaped lamp post can be molded, and the molding shape of the lamp post is diversified.

Further, the core layer 200 is formed by paving and pasting a plurality of layers of prepregs, and the directions of the prepregs of the core layer 200 are staggered.

Specifically, the core layer 200 is formed by paving 8 layers of prepregs, stacking multiple layers in different directions, wherein each layer of fiber in the laminated structure is unidirectionally distributed, each layer enhances the performance in one direction, the directions comprise 0 DEG, 45 DEG, 90 DEG and-45 DEG, wherein the 0 DEG and 90 DEG paving are mainly stressed directions, the 45 DEG and-45 DEG paving are unstressed directions, as shown in fig. 3, the prepregs 4.1 and 4.8 are 0 DEG paving, the prepregs 4.2 and 4.7 are 90 DEG paving, the prepregs 4.3 and 4.6 are-45 DEG paving, and the prepregs 4.4 and 4.5 are 45 DEG paving.

Further, the cladding layer 300 is manufactured by a molding process.

It should be noted that, the molding process is also a mature technology in the field, and is not repeated in detail, the molding of the coating layer 300 is completed by molding, the molding surface is smooth and beautiful, the automatic production line is easy to be realized, and the surface does not need galvanization.

Further, the core mold layer 100, the core layer 200, and the cladding layer 300 have a hollow tubular structure.

It should be noted that the hollow structure may further realize weight reduction.

The above description of the embodiments is only for aiding in the understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The lamp pole is characterized by comprising a core mold layer (100), a core layer (200) and a cladding layer (300) from inside to outside, wherein the core mold layer (100), the core layer (200), the cladding layer (300) and the flange plate (400) are made of carbon fiber composite materials.

2. A composite lamp pole of sandwich construction according to claim 1, characterized in that the bottom of the core layer (200) is connected with a flange (400), and that the core layer (200) and the flange (400) are of integral construction.

3. A composite material lamp pole of sandwich structure according to claim 2, characterized in that the flange (400) is provided with a plurality of bolt holes (401).

4. A composite lamp pole of a sandwich structure according to any of claims 1-3, characterized in that the core mould layer (100) is manufactured by means of a pultrusion process.

5. A composite lamp pole of sandwich construction according to any of claims 1-3, characterized in that the core layer (200) is laid up from layers of prepregs.

6. A sandwich structured composite material lamp pole according to claim 5, wherein the direction of the prepreg of the core layer (200) is staggered.

7. A composite lamp pole of a sandwich structure according to any of the claims 1-3, characterized in that the cladding (300) is manufactured by means of a mould pressing process.

8. A composite lamp pole of a sandwich structure according to any of claims 1-3, characterized in that the core layer (100), the core layer (200) and the cladding layer (300) are hollow tubular structures.