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Glass-reinforced-plastic counterweight protective guard for elevator and production process thereof

A production process, fiberglass technology, applied in the direction of layered products, synthetic resin layered products, lamination, etc., can solve the problems of poor working environment for workers, poor quality of hand lay-up molding, and short service life, and achieve the overall effect. Change, increase the service life, high overall effect

Active Publication Date: 2014-07-09
XUANCHENG VALIN PRECISION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is that the existing FRP elevator counterweight guardrail production process adopts hand lay-up molding quality is not good, the service life is short, and the working environment of the workers is bad and the efficiency is low

Method used

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  • Glass-reinforced-plastic counterweight protective guard for elevator and production process thereof
  • Glass-reinforced-plastic counterweight protective guard for elevator and production process thereof

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Effect test

Embodiment 1

[0024] The invention provides a kind of FRP elevator counterweight guardrail, raw material comprises unsaturated resin 52%, glass fiber 38%, curing agent 4.7%, polyester film 0.3%, accelerator 2.5% and pigment 2.5% by weight percentage, wherein The middle layer is made of 52% unsaturated resin, 4.7% curing agent, 2.5% accelerator and 2.5% pigment mixed with 38% chopped glass fiber and heated and cured, and in the middle layer The two sides are respectively covered with polyester film, and the glass fiber reinforced plastic is provided with concave and convex longitudinal grooves alternately.

Embodiment 2

[0026] The invention provides a kind of FRP elevator counterweight guardrail, the raw material comprises 55% of unsaturated resin, 35% of glass fiber, 4.8% of curing agent, 0.2% of polyester film, 3% of accelerator and 2% of pigment by weight percentage, wherein The middle layer is made of 55% unsaturated resin, 4.8% curing agent, 3% accelerator and 2% pigment, adding 35% chopped glass fiber to the resin glue and heating and curing, and in the middle layer The two sides are respectively covered with polyester film, and the glass fiber reinforced plastic is provided with concave and convex longitudinal grooves alternately.

Embodiment 3

[0028] The invention provides a kind of FRP elevator counterweight guardrail. The raw materials include 58% unsaturated resin, 32% glass fiber, 4.9% curing agent, 0.1% polyester film, 3.5% accelerator and 1.5% pigment by weight percentage, wherein The middle layer is made of 58% unsaturated resin, 4.9% curing agent, 3.5% accelerator and 1.5% pigment mixed with 32% chopped glass fiber and heated and cured. The two sides are respectively covered with polyester film, and the glass fiber reinforced plastic is provided with concave and convex longitudinal grooves alternately.

[0029] A glass fiber reinforced plastic elevator counterweight guardrail of the present invention is mainly made of glass fiber, the resin and glass fiber are evenly distributed, resists cracking, and has a good sense of compactness for load-bearing parts. Eye-catching, high integrity, the surface is covered with a layer of anti-aging PET polyester film, which improves the service life, will not cause scratc...

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Abstract

The invention discloses a glass-reinforced-plastic counterweight protective guard for an elevator. The glass-reinforced-plastic counterweight protective guard comprises the following materials in percentage by weight: 52-58% of unsaturated resin, 32-38% of glass fiber, 4.6-5% of a curing agent, 0.1-0.3% of polyester film, 2.5-3.5% of a promoter and 1.5-2.5% of a pigment. The invention also discloses a production process of the glass-reinforced-plastic counterweight protective guard for the elevator. The production process comprises the following steps: (1) taking the materials and manufacturing resin adhesive solution; (2) laying the resin adhesive solution on the polyester film; (3) adding the glass fiber; (4) soaking and covering with an upper film; (5) entering an oven for heating, curing and forming; and (6) shaping, cooling and then cutting. The production process disclosed by the invention has the advantages that a continuous mechanism is adopted for forming, and the upper film and a lower film are adopted for covering, so that the pollution to the environment can be reduced, the performances such as aging resistance, impact resistance, tear resistance and water resistance of a product are improved, scratching is not caused in the installation process. The glass-reinforced-plastic counterweight protective guard is suitable for being used in a pit of an elevator hoistway.

Description

technical field [0001] The invention relates to the technical field of a glass fiber reinforced plastic elevator counterweight guardrail, in particular to a glass fiber reinforced plastic elevator counterweight guardrail and a production process thereof. Background technique [0002] FRP is a composite material with high strength, light weight and good aging resistance. It is widely used at present. [0003] 1. The relative density of FRP is between 1.5 and 2.0, which is only a quarter of that of carbon steel, but its tensile strength is close to or even exceeds that of carbon steel, and its strength can be compared with that of advanced alloy steel. 2. FRP is a good corrosion-resistant material, and it has good resistance to the atmosphere, water, and general concentrations of acids, alkalis, salts, and various oils and solvents. 3. FRP is an excellent insulating material and is used to make insulators. It can still protect good dielectric properties at high frequencie...

Claims

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Application Information

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IPC IPC(8): B32B27/06B32B27/04B32B27/36B32B37/02B32B37/06B32B39/00C08L101/00C08K7/14
Inventor 黄业华钱亚军
Owner XUANCHENG VALIN PRECISION TECH
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