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Connection piece, in-piece tower frame, manufacturing method, tower frame and wind turbine generator system

A technology for connecting parts and connecting flanges, which is applied in the field of fragmented towers, manufacturing methods, connecting parts, towers and wind power generating sets, and can solve the problems of unreasonable structural design of connecting parts, split The problems of low fatigue level of the piece tower can be solved, and the effect of improving the load bearing capacity, avoiding stress concentration and improving the fatigue level can be achieved

Active Publication Date: 2019-03-26
BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the structural design of the connectors used to connect the arc-shaped pieces in the prior art is unreasonable, resulting in a low fatigue level of the segmented tower formed by splicing, which affects the load-bearing capacity of the tower to which it is applied

Method used

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  • Connection piece, in-piece tower frame, manufacturing method, tower frame and wind turbine generator system
  • Connection piece, in-piece tower frame, manufacturing method, tower frame and wind turbine generator system
  • Connection piece, in-piece tower frame, manufacturing method, tower frame and wind turbine generator system

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Embodiment Construction

[0049] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention; and, for clarity, the dimensions of some structures may have been exaggerated. Furthermore, the features, structures, or characteristics described hereinafter may be combined in any suitable manner in one or more embodiments.

[0050] The orient...

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Abstract

The invention relates to a connection piece, an in-piece tower frame, a manufacturing method, a tower frame and a wind turbine generator system. The connection piece comprises a body portion which comprises a strip-shaped plate and a plurality of connection holes formed in the strip-shaped plate; the strip-shaped plate is provided with a first surface and a second surface which are oppositely arranged in the thickness direction of the strip-shaped itself; the plurality of connection holes are spaced in the length direction of the strip-shaped plate to be arranged; the portions, at the two endsin the length direction, of the body portion are each provided with a connection portion; each connection portion is provided with a first end face and a second end face opposite to each other in thethickness direction; each second end face a smooth curve; the first end face of each connection portion is connected with the first surface and the second end face of each connection portion is connected with the second surface; and in the thickness direction, each second end face at least partially protrudes out of the second surface. According to the connection piece, the in-piece tower frame,the manufacturing method, the tower frame and the wind turbine generator system, the splicing requirement between arc-shaped pieces can be met, the fatigue level of the in-piece tower frame formed dueto splicing can be guaranteed, and then the capacity of the tower frame for bearing the load is guaranteed.

Description

technical field [0001] The invention relates to the technical field of wind power, in particular to a connector, a sliced ​​tower, a manufacturing method, a tower and a wind power generating set. Background technique [0002] Tower is an important structural form of towering structures, and it is widely used in transmission towers, TV towers, cooling towers and other fields. Especially in the field of wind power generation, towers can be used to support parts such as upper impellers and generator sets. As the power of the wind turbine increases, the diameter of the impeller becomes larger, and the height of the corresponding tower is also higher and the cross-sectional size is also larger. [0003] In order to meet the requirements of the transportation height limit, the large-diameter tower is usually divided into pieces to form multiple arc-shaped pieces for transportation. After arriving at the installation site of the tower, the divided arc-shaped pieces are connected b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D13/10F03D13/20
CPCF03D13/10F03D13/20Y02E10/72Y02E10/728Y02P70/50
Inventor 张紫平曹旭东马武福
Owner BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
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