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A composite material board, its preparation method and dump truck compartment

A composite material plate and core material technology, which is applied to chemical instruments and methods, vehicle components, and the upper structure of trucks, can solve the problems of unsatisfactory lightweight effects, reduce carbon dioxide and other exhaust emissions, and improve Excellent operation ability and weight reduction effect

Inactive Publication Date: 2016-02-10
蓝星环境工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the constraints of the high density of metal materials, the lightweight effect is not very ideal

Method used

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  • A composite material board, its preparation method and dump truck compartment
  • A composite material board, its preparation method and dump truck compartment
  • A composite material board, its preparation method and dump truck compartment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Example 1 Dump truck compartment containing composite material plate and preparation method thereof

[0045] The following is attached Figure 1-5 The present embodiment will be described in detail.

[0046] (1) Pultrude the 24K large tow carbon fiber and glass fiber fabric according to the required cross-sectional shape to prepare continuous reinforced fiber composite material profiles, and cut them into the specifications required by the carriage;

[0047] (2) polydicyclopentadiene reaction raw material (RIMTEC company, model 2000, consisting of two reaction raw materials A and B) mixed uniformly at a ratio of 1:1, injected into the polydicyclopentadiene shell mold of the plate-shaped car shell assembly through the injection head, and the mold temperature was controlled at 82 ± 2 °C, take out the polydicyclopentadiene shell assembly 3 after the curing is completed.

[0048] (3) Process the integrated molding mold according to the shape of the main body 2 of the ca...

Embodiment 2

[0052] Embodiment 2 Dump truck compartment containing composite material plate and preparation method thereof

[0053] In the present embodiment, prepare the dump truck compartment of the present embodiment in the same way as in Embodiment 1, the difference is that:

[0054] 1. The inner reinforcement beam and the outer reinforcement beam are arranged at an angle of 60° to each other;

[0055] 2. Replace the glass fiber plain weave with aramid fiber twill;

[0056] 3. Use 50% fir and 50% oak as the core material;

[0057] 4. Replace epoxy resin curing system with vinyl resin curing system;

[0058] 5. The thickness of the skin layer covering the external reinforcing beam is 1 / 3 of the overall thickness of the skin layer, and the fiber content of the skin layer is 80%;

[0059] 6. The cross-section shapes of the inner reinforcing beam and the outer reinforcing beam are square and "I" respectively.

Embodiment 3

[0060] Example 3 Dump truck compartment containing composite material plate and preparation method thereof

[0061] In the present embodiment, prepare the dump truck compartment of the present embodiment in the same way as in Embodiment 1, the difference is that:

[0062] 1. The inner reinforcement beam and the outer reinforcement beam are set at a 45° angle to each other;

[0063] 2. Replace the glass fiber plain cloth with basalt fiber unidirectional cloth;

[0064] 3. Use 50% aluminum honeycomb and 50% polyurethane honeycomb as the core material;

[0065] 4. Replace the epoxy resin curing system with the polyurethane resin curing system;

[0066] 5. The thickness of the skin layer covering the external reinforcing beam is 3 / 4 of the overall thickness of the skin layer, and the fiber content of the skin layer is 30%;

[0067] 6. The cross-section shapes of the inner reinforcement beam and the outer reinforcement beam are rectangle and "ㄩ" shape respectively.

[0068] In ...

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Abstract

The invention discloses a composite board which comprises two skin layers, wherein an intermediate layer is formed between the two skin layers and an inner stiffening beam is arranged between the two skin layers, a core material is filled in the intermediate layer, an outer stiffening beam is arranged between the core material and at least one skin layer, and a polydicyclopentadiene layer is arranged outside the at least one skin layer. The invention also discloses a preparation method of the composite board. The invention further discloses a dumper compartment comprising the composite board. The dumper compartment has the characteristics of strong bearing capacity, remarkable weight reducing effect, oil consumption saving, carbon dioxide emission reducing, long service life and the like.

Description

technical field [0001] The invention belongs to the technical field of heavy truck preparation, and in particular relates to a composite material board and a preparation method thereof, as well as a dump truck compartment containing the composite material board. Background technique [0002] At present, dump truck compartments of heavy trucks are generally made of steel materials. In order to ensure its bearing capacity, it is mostly made of 4-8mm thick steel plates, and the thickness of the steel plates of its reinforced beams is also 4-8mm. Therefore, the dead weight of the compartment is very large, accounting for more than 40% of the weight of the vehicle. [0003] In the field of automobile lightweight, researchers and technicians at home and abroad mainly use the following three technical approaches to achieve lightweight goals: using new materials, adopting new preparation technologies and optimizing the structural design of automobiles. In terms of material selecti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D29/04B62D33/00B32B27/12B32B27/32B32B21/08
Inventor 田宇黎孟秀青汪文虎高磊孙晓光
Owner 蓝星环境工程有限公司
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