Manufacturing method of blade I-shaped web of megawatt wind driven generator

Abstract

The invention discloses a manufacturing method of a blade I-shaped web of a megawatt wind driven generator. The method comprises the following steps: manufacturing a web mold (1), laying a blade auxiliary sticking angle fiber cloth (3) through cooperation of the blade web mold (1) and an air bag (2), laying a blade rib plate (4), finally, laying a vacuum system, and adopting a blade vacuum perfusion process to obtain the blade I-shaped web. The method is reasonable in process design, strong in operability, capable of effectively guaranteeing the shape follow-up performance of a blade web auxiliary sticking angle and a web main sticking angle, and beneficial to guaranteeing the gap between the auxiliary sticking angle and the web main sticking angle. The defects of sticking angle wrinkles,large sticking gaps, sticking angle smooth faces and the like caused by sticking manufacturing of the blade auxiliary sticking angle are greatly reduced, operation requirements can be reduced, workinghours are shortened, and the production cost is low. The prepared I-shaped web is high in shape follow-up performance, high in practicability and low in production cost.

Description

technical field [0001] The patent of the present invention relates to a method for preparing wind turbine blade parts of a wind power generator set, in particular to a method for manufacturing an I-shaped web of a megawatt-level wind power generator blade. Background technique [0002] At present, in the blade production process, the blade web is the main component of the wind turbine composite wind turbine blade, and the auxiliary paste angle connection method of hand lay-up / pouring is to connect the blade web with adhesive (adhesive glue). The size of wind turbine blades is getting larger and larger, and there are more and more designs of blade web auxiliary bonding corners. The current production method of web auxiliary bonding corners is difficult to ensure the shape of the bonding corners. The bonding effect is difficult to guarantee, and it is easy to cause defects such as bonding cracks in the auxiliary bonding corner, which brings great risks to the blade bonding; an...

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Problems solved by technology

[0002] At present, in the blade production process, the blade web is the main component of the wind turbine composite wind turbine blade, and the auxiliary paste angle connection method of hand lay-up / pouring is to connect the blade web with adhesive (adhesive glue). The size of wind turbine blades is getting larger and larger, and there are more and more designs of blade web auxiliary bonding corners. The current production method of web auxiliary bonding corners is difficult to ensure the shape of the bonding corners. The bonding effect is difficult to guarantee, and it is easy to cause defects such as bonding cracks in the auxiliary bonding corner, which brings great risks to the blade bonding; and the current type of making auxiliary bonding corners is T-shaped web / I-shaped web The production cost is high, and the adjustment process of the web mold is complicated

[0003] Therefore, it is necessary to design a convenient blade auxiliary paste corner on the basis of the existing technology, which is conducive to ensuring the connection strength between the blade web auxiliary paste corner and the web, and reducing the current T-shaped web / I-shaped A new method for the production of I-shaped webs of wind turbine blades due to the complex process and high cost caused by web production and adjustment

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