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Fan tower, inflatable bypass-flow device of fan tower, hoisting method of fan tower and wind turbine generator

A technology of wind turbines and hoisting methods, which is applied in the assembly of wind turbines, the configuration of installation/support of wind turbines, wind power generation, etc., to achieve the effects of easy realization, convenient transportation, and reduced volume

Pending Publication Date: 2019-04-05
GUODIAN UNITED POWER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a wind turbine tower, its inflatable bypass device, its hoisting method and its

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  • Fan tower, inflatable bypass-flow device of fan tower, hoisting method of fan tower and wind turbine generator
  • Fan tower, inflatable bypass-flow device of fan tower, hoisting method of fan tower and wind turbine generator

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Embodiment Construction

[0029] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0030] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features...

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Abstract

The invention discloses a fan tower, an inflatable bypass-flow device of the fan tower and a hoisting method of the fan tower, and belongs to the field of wind turbine generators. The inflatable bypass-flow device is used for being installed on the tower of a wind turbine generator, and comprises fastening belts, hoisting points and a winding inflatable post. The fastening belts comprise the upperfastening belt with the hoisting points and the lower fastening belt with the hoisting points. The upper fastening belt is installed at the position, close to an upper flange, of the upper portion ofthe tower. The lower fastening belt is installed at the position, close to a lower flange, of the lower portion of the tower. The winding inflatable post is so long that the post can be wound aroundthe tower by at least one circle. Both ends of the winding inflatable post are connected to the hoisting points of the upper fastening belt and the lower fastening belt through short ropes separately.By winding the winding inflatable post around the tower, vortex-induced vibration is avoided and the tower structure is prevented from being damaged. The structure is simple; assembly and disassemblyare convenient; and the winding inflatable post can be inflated on site, and can also be deflated to be smaller so as to facilitate transportation, and the transportation cost is reduced.

Description

technical field [0001] The invention relates to the field of wind turbines, in particular to a wind turbine tower, an air-inflated bypass device thereof, a hoisting method, and a wind turbine. Background technique [0002] With the continuous expansion of the number of wind turbines assembled, the capacity of a single unit is increasing, and the towers used are getting higher and higher, which puts forward higher requirements for the adaptability and reliability of wind turbines. Wind turbines are generally installed in windy areas. Therefore, during the hoisting process of wind turbine towers, when the flow velocity reaches a certain value, anti-symmetric Karman vortex streets appear on the back of the tower. When the natural vibration frequency of the tower in the fluid is close to the frequency of the lateral acting pressure, and the damping of the tower is very low, severe resonance will occur, resulting in vortex-induced vibration, resulting in structural damage and ult...

Claims

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Application Information

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IPC IPC(8): F03D13/20F03D13/10F03D80/00
CPCF03D13/10F03D13/20F03D80/00Y02E10/728Y02E10/72
Inventor 褚景春袁凌潘磊王小虎王力赵鹏张林中韩新月马赫男
Owner GUODIAN UNITED POWER TECH
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