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Roots and leaves

A technology of pre-embedding and clamping sections, which is applied in the field of blade roots and blades, can solve the problems of time-consuming construction, achieve the effects of shortening on-site construction time, reducing laying procedures, and improving structural strength and structural rigidity

Active Publication Date: 2022-05-03
SANY ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a blade root, which is used to solve the time-consuming on-site construction in the prior art and is easy to cause wrinkles of the inner and outer reinforcement layers, which affects the strength of the blade root. It is not necessary to lay reinforcement layers or reduce the number of layers of reinforcement layers. It is not easy to form wrinkles, reduces the laying process, and also helps to shorten the on-site construction time and improve construction efficiency

Method used

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Embodiment Construction

[0040] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0041] For the first aspect embodiment of the present invention, refer to Figure 4 to Figure 8 As shown, a blade root is provided, including: embedded screw sleeves 250 and one-way elements 230 , two adjacent one-way elements 230 clamp the embedded screw sleeves 250 and cover the outer surface of the embedded screw sleeves 250 .

[0042] The one-way piece 230 is configured with a clamping s...

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Abstract

The invention provides a blade root and a blade, wherein the blade root includes: a pre-embedded screw sleeve and a one-way member, two adjacent one-way members clamp the embedded screw sleeve and cover the embedded screw sleeve outer side of the cover. The blade root provided by the invention is used to solve the time-consuming on-site construction in the prior art and is easy to cause wrinkles of the inner and outer reinforcement layers, which affects the strength of the blade root. It is not necessary to lay reinforcement layers or reduce the number of layers of reinforcement layers. It is easy to form wrinkles, which reduces the laying process, and also helps to shorten the on-site construction time and improve construction efficiency.

Description

technical field [0001] The invention relates to the technical field of fans, in particular to a blade root and a blade. Background technique [0002] Wind power has the characteristics of low-carbon environmental protection and large capacity, and has become one of the emerging development trends of the power system. With the development of wind power technology and the increase of wind turbine unit capacity, how to further improve the reliability of the unit and reduce the manufacturing cost of the unit is the current challenge for large wind turbines. [0003] In the related art, refer to Figure 1 to Figure 3 As shown, the structure of the blade root is that the outer skin 120 , the outer reinforcement layer 130 , the embedded component 140 , the inner reinforcement layer 150 and the inner skin 160 are sequentially laid on the mold 110 . Among them, the pre-embedded component 140 includes a UD (Uni-Direction, one-way) rod 190, a screw sleeve 170 and a foam strip 180. The...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D80/00
CPCF03D80/00F05B2240/30F05B2240/301Y02E10/72
Inventor 易平孙找
Owner SANY ELECTRIC CO LTD
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