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Tower for windmill and wind generation device

一种风车、壳体的技术，应用在风力发电装置领域，能够解决放置的时间变长等问题，达到抑制变形、降低负荷、放宽限制条件的效果

Inactive Publication Date: 2012-10-17
MITSUBISHI HEAVY IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When adopting this construction method, since the time for laying in the middle of construction becomes longer, it is necessary to deal with problems such as limiting the laying time due to the resonance wind speed in this state.

Method used

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  • Tower for windmill and wind generation device
  • Tower for windmill and wind generation device
  • Tower for windmill and wind generation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] Next, an embodiment of the wind turbine tower and the wind power generator according to the present invention will be described based on the drawings.

[0043] Figure 4 The shown wind power generation device 1 includes: a windmill tower (hereinafter referred to as "tower") 2 erected on a base B; a nacelle 3 arranged at the upper end of the tower 2; A rotor head 4 is rotatably supported and provided at one end of the nacelle 3 .

[0044] A plurality of (for example, three) windmill blades 5 are mounted on the rotor head 4 radially around its rotation axis. In this way, the wind force from the direction of the rotation axis of the rotor head 4 to the windmill blade 5 can be converted into power to rotate the rotor head 4 around the rotation axis.

[0045] An anemometer 7 for measuring a surrounding wind speed value and an anemometer 8 for measuring a wind direction are provided at appropriate places (for example, an upper portion) on the outer peripheral surface of the...

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Abstract

The present invention provides a tower for a windmill, and a wind generation device, wherein, a horizontal force received by an upper part of the tower is dispersed to a lower part of the tower or to a base so as to reduce the load acting on a tower shell and suppress deformation of the tower caused by an external force. A monotype-type wind turbine tower (2) in which mainly a tower shell (21) is configured to bear load includes a platform (22) connected to an inner wall of the tower shell (21) and dividing an internal space of the tower in the vertical direction; an elastic bearing (30) of which one end is fixed to the platform (22); and a load transmission member (23) disposed in the internal space of the tower and connecting another end of the elastic bearing (30) to the platform (22) located at a position facing the elastic bearing (30) or to a base (B), so as to transmit a horizontal force from the elastic bearing (30) to the tower shell (21) or the base (B).

Description

technical field [0001] The present invention relates to a monopole windmill tower (pillar) and a wind power generator including the windmill tower. Background technique [0002] A wind power generator is a device in which a rotor head having wind turbine blades is rotated by wind force, and the rotation is increased by a speed increaser or the like to generate electricity by a driven generator. [0003] The rotor head is provided on a windmill tower (hereinafter referred to as "tower"), attached to an end portion of a rotatable nacelle, and supported so as to be rotatable about a substantially horizontal horizontal rotation axis. [0004] Generally, the above-mentioned towers for windmills are often of a steel monopole type using a cylindrical casing. In such a steel monopole tower, since the cylindrical steel casing is the main strength member, increasing the outer diameter of the casing increases the cross-sectional efficiency. Therefore, it is preferable to make the out...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D11/04F03D13/20F03D80/00
CPCF05B2280/4003F05B2240/912F05C2225/00F03D11/04Y02E10/728F03D13/20F03D80/70F03D80/80F03D9/25Y02E10/72
Inventor 村田一
Owner MITSUBISHI HEAVY IND LTD
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