STRUCTURE FOR TOWER INTERIOR-FITTING BRACKET, AND WIND POWER STATION

Title:

STRUCTURE FOR TOWER INTERIOR-FITTING BRACKET, AND WIND POWER STATION

Document Type and Number:

WIPO Patent Application WO/2013/065171

Kind Code:

A1

Abstract:

Provided are a weld structure capable of ensuring a fatigue-strength category higher than that of a butt weld (BW), or a tower interior-fitting bracket structure not requiring a weld, and a wind power station provided with the tower interior-fitting bracket structure. A tower interior-fitting bracket structure for supporting a tower interior fitting installed on a steel pole-type tower interior part using a cylindrical shell (11), wherein a ring-shaped member (20) having a protruding part (21) facing the tower interior part is interposed using a butt weld (BW) at a split portion split in an axial direction at a desired position of the cylindrical shell (11), the protruding part (21) acting as the bracket member support for the tower interior fitting.

Inventors:

YOKOYAMA HIROAKI (JP)
ITOH YOSHISUKE (JP)
KAWABATA MINORU (JP)
HARAGUCHI TSUYOSHI (JP)

Application Number:

PCT/JP2011/075439

Publication Date:

May 10, 2013

Filing Date:

November 04, 2011

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND LTD (JP)
YOKOYAMA HIROAKI (JP)
ITOH YOSHISUKE (JP)
KAWABATA MINORU (JP)
HARAGUCHI TSUYOSHI (JP)

International Classes:

F03D11/04; E04H12/08

Domestic Patent References:

WO2009028092A1	2009-03-05
WO2010006659A1	2010-01-21

Foreign References:

JPS5682043U	1981-07-02
JP2010150985A	2010-07-08
JP2005517124A	2005-06-09
JPS53145341U	1978-11-16
JP2005163336A	2005-06-23
JP2008045395A	2008-02-28
JP2006022675A	2006-01-26
JP2001159260A	2001-06-12
US20100122508A1	2010-05-20
US20030147753A1	2003-08-07
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Other References: