Wind-power blade preparation method capable of controlling mass distribution

Abstract

The invention belongs to the technical field of nonmetallic composite material machining and forming and mainly relates to a wind-power blade preparation method capable of controlling mass distribution. The wind-power blade preparation method capable of controlling the mass distribution comprises the steps of preparation of a blade upper shell, preparation of a blade lower shell, preparation of a front edge web, preparation of a rear edge web, preparation of a girder and blade die assembly and adhesion forming. Control over the weight and mass distribution is conducted in the processes of the preparation of the blade upper shell, preparation of the blade lower shell, preparation of the front edge web, preparation of the rear edge web, preparation of the girder and blade die assembly and adhesion, and thus control over the mass distribution of the wind-power blade is achieved. The final mass distribution of the blade can be controlled within a certain range, later-stage single-point balance weight of the blade is avoided or reduced, and the quality and security risks of the single-point balance weight are reduced.

Description

technical field [0001] The invention belongs to the technical field of processing and forming of non-metallic composite materials, and mainly relates to a method for preparing wind power blades for controlling the mass distribution of wind power blades. Background technique [0002] Wind power blades are installed on the hub of the whole machine, and under the action of the wind, the generator is driven to generate electricity; at present, large-scale horizontal axis wind turbines are divided into several types according to the number of blades, such as single blade, double blade and three blades, among which three The wind energy utilization efficiency of blades is the highest. At present, the wind power market basically adopts three-blade wind turbines; since three blades need to be used together in a set, in order to ensure the overall structural stability of the wind turbine and prevent additional wear of the main shaft, it is necessary to use a complete set of wind turbi...

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Problems solved by technology

[0005] In view of the current technical status of the complete set of counterweights for wind turbine blades, the material of the blade counterweights cannot improve the overall strength of the blades, but will increase some quality and safety risks. The purpose of this invention is to propose a method for controlling the quality of wind turbine blades The distributed wind power blade preparation method controls the blade mass distribution during the blade production process, so that the blade can be produced without counterweight or with very little counterweight to achieve the purpose of matching; at the same time, the counterweight material is converted into a pair of blades The reinforcing layer that contributes to the strength and strength reduces the risk of impacting the quality and safety of the blade in the "centralized weight" mode in the current process

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