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Fan hub strength analysis method, system and equipment and storage medium

An analysis method and fan wheel technology, applied in computer-aided design, wind power generation, design optimization/simulation, etc., can solve problems such as complex structure and force, time-consuming and labor-intensive, and influence of use functions, so as to achieve less calculation data and improve The effect of modeling accuracy and concise method

Pending Publication Date: 2022-05-31
HUANENG HUAJIALING WIND POWER CO LTD +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

As a key component connecting the blades and the main shaft, the hub itself is very complex in structure and stress, and local elastic-plastic deformation may seriously affect its function. Therefore, a comprehensive ultimate strength analysis of the hub is required during the design process. , while in the prior art, the ultimate strength analysis method for the wheel hub is too complicated, time-consuming and labor-intensive

Method used

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  • Fan hub strength analysis method, system and equipment and storage medium
  • Fan hub strength analysis method, system and equipment and storage medium
  • Fan hub strength analysis method, system and equipment and storage medium

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Embodiment Construction

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them; based on The embodiments of the present invention and all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer ” refer to directions towards or away from the geometric center of a particular part, respectively.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary ...

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Abstract

The invention discloses a fan hub strength analysis method, system and device and a storage medium. The method comprises the steps that 1, a fan hub geometric model is established; step 2, establishing a finite element mesh model, and performing mesh division on each part in the fan hub geometric model; 3, setting boundary conditions for the finite element mesh model, and applying load conditions; 4, calculating and solving the finite element mesh model; and then extracting stress and displacement nephograms of all settlement results, and completing ultimate strength checking of the hub structure according to the stress and displacement results. The ultimate strength of the fan hub can be analyzed, and the method is simple.

Description

technical field [0001] The invention belongs to the field of fans, and relates to a method, system, equipment and storage medium for analyzing the strength of a hub of a fan. Background technique [0002] There are certain problems in the current wind power development. First, although most wind farms are built in areas with abundant wind resources, the actual annual power generation of wind farms is far lower than the expected output. The reason is that the installed capacity has expanded rapidly in recent years, and the design cycle of wind turbines has been greatly shortened. There are often problems such as insufficient wind resource assessment of wind farms, strict demonstration of wind turbine model selection, and substandard structural design of wind turbine components. This directly leads to frequent breakdowns and shutdowns during the operation of the wind turbine, and even collapse accidents, which seriously affect the power generation of the wind turbine. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F113/06G06F119/14
CPCG06F30/23G06F2113/06G06F2119/14Y02E10/72
Inventor 万芳武青薛录宏杨少帅张永生任涛何亚平童彤任鑫吴昊祝金涛吕亮朱俊杰
Owner HUANENG HUAJIALING WIND POWER CO LTD
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