Tower section, tower frame, wind generating set and manufacturing method of tower section
A technology of tower section and tower frame is applied in the field of manufacture of wind turbines and tower sections, which can solve the problems of small space, inconvenient welding construction, and great injury to staff.
Active Publication Date: 2018-02-02
XINJIANG GOLDWIND SCI & TECH
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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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The invention provides a tower section, a tower frame, a wind generating set and a manufacturing method of the tower section. The tower section comprises a tower section main body (4) and longitudinalflange pairs (9); the tower section main body (4) is divided into at least two segments through longitudinal seams (6) formed in the longitudinal direction; and the longitudinal flange pairs (9) arearranged in the longitudinal seams (6) in the longitudinal direction and protrude out of the inner surface (41) and the outer surface (42) of the tower section main body (4) in the radial direction and are welded to the corresponding segments. According to the tower section, welding construction difficulty can be lowered, heat generated in the welding process is reduced, and the welding quality isimproved.
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. Production 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] Such as Figure 1A In the traditional tower section s...
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Patent Timeline
Login to View More IPC IPC(8): F03D13/20B23P15/00
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