Control method and system for blade spreader

Abstract

Provided are a control method and system for a blade spreader, the control method for a blade spreader comprising: determining an angular difference between a first pitch angle of the blade spreader and a first target pitch angle based on first pitch angle information received from a first pitch angle sensor beyond the range of the first angle difference, controlling the movement of the telescopic rod of the telescopic mechanism to drive the boom to move along the guide rail to reduce the angle difference; in response to determining the first inclination angle of the blade spreader based on the first inclination angle information received from the first inclination angle sensor The angle difference with the first target inclination angle is kept within the range of the first angle difference, and the telescopic rod of the telescopic mechanism is controlled to stop moving to ensure that the flange surface of the blade root of the first blade clamped by the blade clamp and the hub where the first blade is installed The preset flange faces are roughly parallel. Based on the blade spreader provided by the present invention, the movement of the telescopic rod of the telescopic mechanism can be controlled according to the detected inclination angle information of the spreader, so as to realize the high-precision micro-angle adjustment of the blade spreader.

Description

technical field [0001] The present invention relates to the technical field of wind power generation. More specifically, the present invention relates to a control method and system for a blade spreader. Background technique [0002] With the continuous increase of the single capacity of the wind turbine, the blade size of the wind turbine is also gradually increasing. For example, the length of the blade of the offshore wind turbine has exceeded 90 meters and the weight has exceeded 35 tons. Due to the weight of the blade, the blade is operated in the air. It is also increasingly difficult to attach accurately to the hub. [0003] With the rapid development of my country's offshore wind power generation technology. Offshore wind power has also developed rapidly and the technology has become more and more mature. Different models of high-power 8MW and 10MW new models are constantly being launched. Therefore, the hoisting process of wind turbines is constantly improving. E...

AI Technical Summary

Problems solved by technology

[0004] In the existing process of hoisting blades, when the blade rotation angle is close to the required blade angle, there may be too many or insufficient angles, and it is impossible to accurately adjust the blade angle to the required angle in a short time, and it takes a long time. It takes one adjustment to get to the desired angle, and it is related to the experience of the spreader operator. The control is relatively difficult, which leads to a long installation process and poor versatility.

Images