DE10308176A1 - Trellis/grating tower for a wind-energy plant has four corner posts of steel sections interlinked by means of cross-struts of steel sections - Google Patents
Trellis/grating tower for a wind-energy plant has four corner posts of steel sections interlinked by means of cross-struts of steel sections Download PDFInfo
- Publication number
- DE10308176A1 DE10308176A1 DE2003108176 DE10308176A DE10308176A1 DE 10308176 A1 DE10308176 A1 DE 10308176A1 DE 2003108176 DE2003108176 DE 2003108176 DE 10308176 A DE10308176 A DE 10308176A DE 10308176 A1 DE10308176 A1 DE 10308176A1
- Authority
- DE
- Germany
- Prior art keywords
- struts
- tower
- steel sections
- corner posts
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/10—Truss-like structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/91—Mounting on supporting structures or systems on a stationary structure
- F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
- F05B2240/9121—Mounting on supporting structures or systems on a stationary structure on a tower on a lattice tower
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft einen Gittermastturm für eine Windenergieanlage.The present invention relates to a lattice tower for a wind turbine.
Bekannte Gittermasttürme weisen in der Regel vier Eckstiele auf, die durch Querverstrebungen, ähnlich einem Fachwerk, miteinander verbunden sind, wobei die Eckstiele und die Verstrebungen aus einem L-Profil hergestellt sind.Known lattice tower towers usually four corner posts on, which are made by cross struts, similar to one Truss, are connected to each other, the corner posts and the Struts are made from an L-profile.
Ein Nachteil der bekannten Gittermasttürme besteht darin, daß L-Profile nur bis zu einer bestimmten Schenkellänge serienmäßig hergestellt werden. Die größten handelsüblichen L-Profile weisen maximal eine Schenkellänge von 280 mm auf. Die handelsüblichen Wandstärken sind ebenfalls begrenzt. Aufgrund der vorgegebenen Schenkellänge und Wandstärke ist auch die Knicklänge und das Widerstandsmoment von den handelsüblichen L-Profilen begrenzt.A disadvantage of the known lattice tower towers exists in that L-profiles can only be mass-produced up to a certain leg length. The largest commercially available L-profiles have a maximum leg length of 280 mm. The standard ones wall thickness are also limited. Due to the given leg length and wall thickness also the kink length and the section modulus is limited by the commercially available L-profiles.
Aufgrund der begrenzenden Eigenschaften der handelsüblichen L-Profile ergeben sich Gittertürme für Windkraftanlagen mit großer Grundfläche. So beträgt zum Beispiel bei einen Turm mit einer Höhe von 110 m die Grundfläche ca. 20 × 20 m.Due to the limiting properties of the commercial L-profiles result in lattice towers for wind turbines with great Floor space. So is for example, for a tower with a height of 110 m, the base area approx. 20 × 20 m.
Es ergibt sich außerdem das Problem, daß der Gitterturm zur Kompensation der geringen Knicklänge der Standard L-Profile sehr viele Verstrebungen zwischen den Eckstielen enthalten muß, um eine genügend hohe Tragfähigkeit für die auftretenden Lasten einer Windenergieanlage aufweisen zu können Die Aufgabe der vorliegenden Erfindung ist es, einen Gitterturm zu schaffen, der eine deutlich geringere Grundfläche als bekannte Gittertürme aufweist.There is also the problem that the lattice tower to compensate for the short kink length of the standard L-profiles must contain a lot of struts between the corner stems in order to be sufficiently high Load capacity for the to have occurring loads of a wind turbine The object of the present invention is to create a lattice tower, which has a significantly smaller footprint than known lattice towers.
Gelöst wird die Aufgabe mit einem Gitterturm der die Merkmale des Anspruchs 1 aufweist.The task is solved with one Lattice tower having the features of claim 1.
Der erfindungsgemäße Gitterturm weist mindestens drei Eckstiele auf, die mittels Verstrebungen miteinander verbunden sind, wobei die Eckstiele und/oder die Verstrebungen aus einem Formstahl bestehen, dessen Profil mindestens zwei Flanken aufweist, wobei das Profil der Eckstiele weiterhin mindestens einen Träger aufweist, der die beiden Flanken miteinander verbindet.The lattice tower according to the invention has at least three corner posts connected by struts the corner posts and / or the struts are made of a shaped steel, whose profile has at least two flanks, the profile the corner stems also have at least one support that supports the two flanks connects with each other.
Der erfindungsgemäße Gitterturm bietet den Vorteil, daß das Profil durch das Vorsehen eines zusätzlichen Trägers steifer ausgebildet ist, wodurch sich stärkere Eckstiele mit einer deutlich verbesserten Knicklänge ergeben. Durch den Einsatz der stärkeren Eckstiele minimiert sich für den Gitterturm die Grundfläche und es werden deutlich weniger Verstrebungen erforderlich um die gewünschte Tragfähigkeit des Turms zu erreichen.The lattice tower according to the invention offers the advantage that this Profile is made stiffer by the provision of an additional beam, making itself stronger Corner handles with a significantly improved kink length result. Because of the engagement the stronger Corner posts are minimized for the lattice tower the base and significantly fewer struts are required to achieve the desired Load capacity of the To reach the tower.
Durch die Reduzierung der Verstrebungen wird weiterhin vorteilhaft auch die Anzahl der erforderlichen Verschraubungen reduziert, so daß auf diese Weise auch der Montageaufwand beim Aufstellen des Gitterturms reduziert wird.By reducing the struts the number of screw connections required is also advantageous reduced so that on this also means the assembly effort when setting up the lattice tower is reduced.
Weiterhin bietet es den Vorteil, daß der Kontrollaufwand bzw. die Wartung des Gitterturmes nach seiner Aufstellung ebenfalls sehr viel geringer ausfällt.It also has the advantage that the Inspection effort or the maintenance of the lattice tower after its erection is also much less.
In einer vorteilhaften Ausgestaltung der Erfindung kann gemäß Anspruch 2 das Profil aller oder eines Teils der Verstrebungen weiterhin mindestens einen Träger aufweisen, wobei der Träger so angeordnet ist, daß er die beiden Flanken miteinander verbindet. Diese Ausgestaltung des Profils der Verstrebungen bietet den Vorteil, daß auch die Verstrebungen eine größere Knicklänge aufweisen und somit eine weitere Reduzierung der vorzusehenden Verstrebungen erzielt wird.In an advantageous embodiment the invention can according to claim 2 the profile of all or part of the struts continues at least one carrier have, the carrier is arranged so that it connects the two flanks. This configuration of the The profile of the struts offers the advantage that the struts also have a have a greater kink length and thus a further reduction in the struts to be provided is achieved.
In einer weiteren vorteilhaften Ausgestaltung der Erfindung können die Flanken und der Träger so zueinander angeordnet sein, daß sie ein Spundwandprofil bilden. Die Ausbildung des Profils als Spundwandprofil bietet den Vorteil, daß es sich dabei um einen gängigen Formstahl handelt, der in verschiedenen Ausgestaltungen hergestellt wird und somit eine große Auswahl bzgl. der Abmessungen bietet.In a further advantageous embodiment of the Invention can the flanks and the beam be arranged to each other so that they form a sheet pile profile. The formation of the profile as sheet pile wall profile offers the advantage that it a common one Form steel deals, which is produced in various configurations becomes a big one Selection regarding the dimensions offers.
Im folgenden soll ein Ausführungsbeispiel des erfindungsgemäßen Gitterturms anhand von Zeichnungen erläutert werden. Es zeigen:In the following an embodiment of the lattice tower according to the invention explained using drawings become. Show it:
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Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003108176 DE10308176A1 (en) | 2003-02-25 | 2003-02-25 | Trellis/grating tower for a wind-energy plant has four corner posts of steel sections interlinked by means of cross-struts of steel sections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003108176 DE10308176A1 (en) | 2003-02-25 | 2003-02-25 | Trellis/grating tower for a wind-energy plant has four corner posts of steel sections interlinked by means of cross-struts of steel sections |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10308176A1 true DE10308176A1 (en) | 2004-09-02 |
Family
ID=32797748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003108176 Withdrawn DE10308176A1 (en) | 2003-02-25 | 2003-02-25 | Trellis/grating tower for a wind-energy plant has four corner posts of steel sections interlinked by means of cross-struts of steel sections |
Country Status (1)
Country | Link |
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DE (1) | DE10308176A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007039957A1 (en) | 2007-08-23 | 2009-02-26 | Seeba Technik Gmbh | triangular profile |
DE102008018852A1 (en) | 2008-04-15 | 2009-10-22 | Seeba Technik Gmbh | Lattice mast structure for framework-tower structures of wind turbine, has joints of closed common profile determined so that joints are arranged in alignment with common profile of corner post, and partial profiles exhibiting preset angle |
WO2010121630A2 (en) * | 2009-04-22 | 2010-10-28 | Ruukki Dortmund Gmbh | Tower for a wind power plant |
-
2003
- 2003-02-25 DE DE2003108176 patent/DE10308176A1/en not_active Withdrawn
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007039957A1 (en) | 2007-08-23 | 2009-02-26 | Seeba Technik Gmbh | triangular profile |
US8522502B2 (en) | 2007-08-23 | 2013-09-03 | Rautaruukki Oyj | Pole construction for framework towers of wind power plants |
DE102008018852A1 (en) | 2008-04-15 | 2009-10-22 | Seeba Technik Gmbh | Lattice mast structure for framework-tower structures of wind turbine, has joints of closed common profile determined so that joints are arranged in alignment with common profile of corner post, and partial profiles exhibiting preset angle |
WO2010121630A2 (en) * | 2009-04-22 | 2010-10-28 | Ruukki Dortmund Gmbh | Tower for a wind power plant |
WO2010121630A3 (en) * | 2009-04-22 | 2011-05-26 | Ruukki Dortmund Gmbh | Tower for a wind power plant |
US8474212B2 (en) | 2009-04-22 | 2013-07-02 | Rautaruukki Oyj | Tower for a wind power plant |
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8139 | Disposal/non-payment of the annual fee |