Tower section, tower frame, wind turbine and method for manufacturing tower section
A technology of tower sections and towers, which is applied in the field of manufacturing wind turbines and tower sections, and can solve problems such as huge workload, serious injury to staff, and small space
Active Publication Date: 2019-09-03
XINJIANG GOLDWIND SCI & TECH CO LTD
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Problems solved by technology
[0005] To sum up, in order to carry out quality control, 100% RT (radiation) flaw detection is generally carried out for T-joints; for penetration welding, it is necessary to achieve 100% UT (ultrasonic) flaw detection of Class I welds. These flaw detection work lead to huge workload
In addition, radiographic flaw detection is harmful to the staff, and the production restrictions are strict
[0006] In addition, in the prior art, when assembling the fragmented towers, such as Figure 1B As shown, two vertical flanges 8' are fixed on the inner side of the cylinder wall by welding at the part 6' of the piece cutting, so the space between the two vertical flanges 8' is small, which makes the welding construction inconvenient
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[0034] The following detailed description is provided to assist the reader in gaining a comprehensive understanding of the methods, devices described herein. However, various changes, modifications, and equivalents of the methods and apparatus described herein will be apparent to those of ordinary skill in the art. Also, descriptions of functions and constructions that are well known to one of ordinary skill in the art may be omitted for increased clarity and conciseness.
[0035] The features described herein may be implemented in different ways and are not to be construed as limited to the examples described herein. Rather, the examples described herein have been provided so that this disclosure will be thorough and complete, and will convey the full scope of the invention to those skilled in the art.
[0036] figure 2 A tower section of an exemplary embodiment of the invention is shown, consisting of a tower section body 4 , a pair of longitudinal flanges 9 and two circu...
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Provided are a method for manufacturing a tower section, a tower frame, a wind power generating set and a tower section. The tower section comprises: a tower section main body (4), which is divided into at least two sections by a longitudinal slit (6) formed along the longitudinal direction; a pair of longitudinal flanges (9), along which It is longitudinally arranged in the longitudinal slit (6), protrudes radially from the inner surface (41) and outer surface (42) of the tower section main body (4), and is welded to the corresponding section. According to the tower section of the present invention, the difficulty of welding construction can be reduced, the heat generated in the welding process can be reduced, and the welding quality can be improved.
Description
technical field [0001] The present invention relates to the technical field of wind power generation, and more specifically, to a tower section for manufacturing a tower of a wind power generating set, a tower manufactured by using the tower section, a wind power generating set including the tower, and a tower section. Manufacturing method. Background technique [0002] The tower in the wind turbine is a load-bearing, pressure-bearing and load-bearing component, and its structure directly affects the working reliability of the wind turbine. The cylindrical tower is a kind of commonly used tower structure. Due to its huge structure, the cylindrical tower is usually formed by connecting multiple tower sections longitudinally, and each tower section is divided into multiple pieces along the circumference. for transportation. Figure 1A The welding of traditional tower sections and the way they are sliced are shown. [0003] like Figure 1A In the traditional tower section s...
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IPC IPC(8): B23P15/00F03D13/20
CPCF03D13/20B23P15/00Y02E10/728F05B2230/00F05B2240/912Y02P70/50Y02E10/72E04H12/085F03D13/10F05B2230/60
Inventor 张紫平曹旭东刘金磊
Owner XINJIANG GOLDWIND SCI & TECH CO LTD