Tool for checking strength of purchased part of fan

Abstract

The invention discloses a tool for checking the strength of a purchased part of a fan. The tool comprises a brake braking force checking module, a bearing bolt checking module, a yaw variable-pitch bearing rolling way checking module, a double-line conical roller bearing checking module and a double-line spherical roller bearing checking module, wherein the brake braking force checking module is used for calculating the braking force of a brake under different oil pressures by inputting a parameter, checking the braking torque of the brake under the maximum oil pressure when the brake is locked, and checking the strength of the brake by checking a brake connection bolt; the bearing bolt checking module is used for checking the dynamic fatigue properties of a yaw bearing of a wind driven generator and a high-strength bolt of a variable-pitch bearing by inputting a parameter; the yaw variable-pitch bearing rolling way checking module is used for checking the static strengths and the service lives of the yaw bearing of the wind driven generator and the variable-pitch bearing by inputting a parameter; the double-line conical roller bearing checking module is used for checking the static strength and the service life of a double-line conical roller bearing by inputting a parameter; and the double-line spherical roller bearing checking module is used for checking the static strength and the service life of a double-line spherical roller bearing by inputting a parameter. By means of the invention, the design reliability of a fan power generation unit can be improved; the life cycle can be shortened; and the cost can be saved.

Description

technical field [0001] The invention relates to the field of strength analysis of components of a wind power generating set, in particular to a tool for checking the strength of purchased parts of a wind turbine. Background technique [0002] At present, in the wind power industry, the calculation of the strength of purchased parts in the three major component systems is mainly concentrated in the stage of unit development, design and certification. At this stage, the purchased parts of wind turbines are generally checked by suppliers. Since different suppliers are involved, their own calibration methods are different, the cycle is long, and generally only the final calculation result data is notified, which causes wind turbine manufacturers to be in the parts. When there is a failure or when the two parties have professional exchanges, they are often in a passive state. At present, domestic wind turbine manufacturers have done some research on the verification reports of d...

AI Technical Summary

Problems solved by technology

At this stage, the purchased parts of wind turbines are generally checked by the suppliers. Since different suppliers are involved, their own calibration methods are different, the cycle is long, and generally only the final calculation result data is notified, etc., resulting in wind turbine manufacturers. When there is a failure or when the two parties have professional exchanges, they are often in a passive state

At present, domestic wind turbine manufacturers have done some research on the verification reports of different suppliers, but they are scattered and not integrated, and still cannot support the selection of wind turbines well.

In addition, the engineering algorithms of some purchased parts are relatively complicated, and iterative calculations need to be carried out with the help of computer simulation

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