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Lengthened blade forming method, prefabricated blade tip and lengthened blade

A molding method and blade technology, which is applied in the direction of wind power generators, wind power generation, wind power engines, etc. in the same direction as the wind, can solve problems such as easy failure, many bonding interfaces, and fragile bonding interfaces

Active Publication Date: 2019-01-08
JIANGSU GOLDWIND SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Insertion bonding will cause more voids in the bonding interface, resulting in a fragile bonding interface that is prone to failure

Method used

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  • Lengthened blade forming method, prefabricated blade tip and lengthened blade
  • Lengthened blade forming method, prefabricated blade tip and lengthened blade
  • Lengthened blade forming method, prefabricated blade tip and lengthened blade

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Embodiment Construction

[0080] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention; and, for clarity, the dimensions of some structures may have been exaggerated. Furthermore, the features, structures, or characteristics described hereinafter may be combined in any suitable manner in one or more embodiments.

[0081] The orient...

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Abstract

The embodiment of the invention provides a lengthened blade forming method, a prefabricated blade tip and a lengthened blade. The lengthened blade forming method comprises the following steps that a supporting assembly is laid, specifically, the supporting assembly with a preset height is laid on the outer surface of a first connecting part, so that the supporting assembly protrudes outwards fromthe outer surface of the first connecting part; a gluing layer is formed, the outer surface of the first connecting part is coated with a structural adhesive so as to form the gluing layer on the first connecting part; the prefabricated blade tip is installed, the prefabricated blade tip is provided with a second connecting part and a blade tip part, wherein the second connecting part and the blade tip part are sequentially connected in the axial direction of the prefabricated blade tip, the second connecting part is provided with a hollow space which is sleeved on the first connecting part, the prefabricated blade tip is installed on an original blade through the second connecting part, the gluing layer is located between the first connecting part and the second connecting part, so that the first connecting part and the second connecting part bond through the gluing layer; and the gluing layer is solidified, and the gluing layer is solidified to obtain the lengthened blade. Accordingto the method, the connecting strength between the prefabricated blade tip and the original blade can be improved, and the failure risk of the lengthened blade can be reduced.

Description

technical field [0001] The invention relates to the technical field of wind power generation equipment, in particular to a method for forming an extended blade, a prefabricated blade tip and an extended blade. Background technique [0002] Wind turbine blades are the key components used to capture wind energy in modern wind turbines. The blade tips are usually integrally infused with other parts of the blade through a vacuum infusion process. In order to further increase the wind-catching ability of the blades, prefabricated blade tips are usually added to the blade tips to increase the power generation. [0003] The existing blade tip lengthening installation technology uses structural glue and glass fiber cloth to strengthen and fix it. However, after the prefabricated blade tip is installed, the blade tip breaks and falls off, and there is a certain risk of failure of the prefabricated blade tip. When the prefabricated blade tip is installed, the original blade tip is in...

Claims

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Application Information

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IPC IPC(8): F03D1/06F03D80/30
CPCF03D1/0633F03D80/30Y02E10/72
Inventor 李正浛王肖虎周培蕊
Owner JIANGSU GOLDWIND SCI & TECH CO LTD
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