DE202004006633U1 - Mast for wind power unit has lattice mast lower part and cover tube upper part connected by a coupling - Google Patents
Mast for wind power unit has lattice mast lower part and cover tube upper part connected by a coupling Download PDFInfo
- Publication number
- DE202004006633U1 DE202004006633U1 DE202004006633U DE202004006633U DE202004006633U1 DE 202004006633 U1 DE202004006633 U1 DE 202004006633U1 DE 202004006633 U DE202004006633 U DE 202004006633U DE 202004006633 U DE202004006633 U DE 202004006633U DE 202004006633 U1 DE202004006633 U1 DE 202004006633U1
- Authority
- DE
- Germany
- Prior art keywords
- mast
- lattice
- tubular jacket
- ring
- mast according
- 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.)
- Expired - Lifetime
Links
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
-
- 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
-
- 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
-
- 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
- E04H2012/006—Structures with truss-like sections combined with tubular-like sections
-
- 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
-
- 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
- F05B2240/913—Mounting on supporting structures or systems on a stationary structure on a mast
-
- 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)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Sustainable Development (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
Description
Windkraftanlagen dienen bekanntlich der Erzeugung erneuerbarer Energie. Ihre Anwendung ist vom Grundsatz her zu begrüßen, gerät jedoch vielerorts in die Kritik, wenn Windkraftanlagen sichtbaren Einfluss auf das Landschaftsbild nehmen. Gegner von Windkraftanlagen führen in solchen Fällen gerne auch mangelnde Effizienz oder Wirtschaftlichkeit solcher Windkraftanlagen ins Feld, um ihre Ausbreitung zu verhindern. Beide Aspekte dürften auf Dauer dazu führen, dass sowohl landschaftsverträgliche als auch technisch optimale Standorte gefunden werden müssen und dort dann möglichst leistungsstarke Windkraftanlagen installiert werden.Wind turbines are known to serve the generation of renewable energy. Your application is to be welcomed in principle, but it does criticized in many places when wind turbines have a visible impact take on the landscape. Opponents of wind turbines lead in such cases gladly inadequate efficiency or economy of such wind turbines into the field to prevent their spread. Both aspects are likely Duration cause that both landscape compatible as well as technically optimal locations have to be found and then there if possible powerful wind turbines can be installed.
Solche Überlegungen lassen es als notwendig erscheinen, höhere Maste für Windkraftanlagen zu entwickeln. Dem sind jedoch bislang noch deutliche Grenzen gesetzt. In der Praxis bleiben zwei Typen von Masten zu unterscheiden, nämlich zunächst die hauptsächlich verbreiteten (einstückigen) Rohrmantelmaste, welche vorgefertigt zu ihrem Aufstellungsort gelangen und Bauhöhen bis zu 100 m erreichen, bei einem eben noch vertretbaren Transportaufwand. Ihre Höhenbegrenzung resultiert nicht aus etwaigen statischen, dynamischen oder sonstigen materialbedingten Grenzwerten, sondern einfach der Sperrigkeit des jeweiligen Fertigproduktes und des hohen Logistikaufwandes für einen Transport vom Herstellungs- zum Anwendungsort, einschließlich der zahlreichen Sicherheitsvorkehrungen, der reduzierten transporttauglichen Strecken und der dadurch notwendigen Umwege etc.Such considerations make it appear necessary to have higher masts for wind turbines develop. However, there are still clear limits to this. In practice, two types of masts can be distinguished, namely the first mainly widespread (one-piece) Pipe jacket masts, which arrive at their installation site prefabricated and heights reach up to 100 m, with a justifiable transport effort. Your height limit does not result from any static, dynamic or other material-related Limit values, but simply the bulkiness of the respective finished product and the high logistic effort for a transport from the manufacturing to the application site, including the numerous safety precautions, the reduced transportability Routes and the necessary detours etc.
Für den weiteren bekannten Masttyp, einen traditionellen Gittermast, gelten vorgenannte Einschränkungen zwar nicht, jedoch sind auch ihm deutliche Grenzen gesetzt, nämlich durch seinen hohen Montageaufwand (überwiegend vor Ort). So eignen sich Gittermaste ebensowenig für größere Bauhöhen wie Rohrmantelmaste, wenn auch aus unterschiedlichen Gründen.For the rest known mast type, a traditional lattice mast, apply to the aforementioned limitations not, but there are also clear limits, namely through its high installation effort (predominantly on site). Lattice masts are just as unsuitable for larger heights as Pipe jacket masts, albeit for different reasons.
Ausgehend von diesem Stand der Technik hat sich die Erfindung zur Aufgabe gesetzt, einen Mast für Windkraftanlagen mit einer Bauhöhe über 100 m zu entwickeln, welcher zu wirtschaftlich vertretbaren Kosten realisierbar ist.outgoing from this prior art, the invention has for its object set a mast for Wind turbines with a height of over 100 m to develop which can be realized at economically reasonable costs is.
Diese scheinbar widersprüchliche Aufgabe löst die Erfindung auf überraschend einfache Weise mit den Merkmalen des Anspruchs 1. Sie greift dazu nicht wahlweise auf den einen oder anderen Masttyp zurück, um diesen etwa zu modifizieren, sondern sie bringt beide Typen gleichzeitig zum Einsatz, indem sie jedem eine spezielle Funktion zuweist. So sieht die Erfindung zunächst einen zweiteiligen Aufbau des Mastes, nämlich aus einem Unter- sowie einem Oberteil vor. Das Unterteil soll erfindungsgemäß von einem Gittermast gebildet werden, während als Oberteil ein Rohrmantelmast gewählt wird. Beide Teile sind lösbar miteinander verbunden, in aller Regel form- und kraftschlüssig.This apparently contradictory Solves task the invention on surprising simple way with the features of claim 1. It does not apply optionally back to one or the other mast type, for example to modify it, but it uses both types at the same time by assigns everyone a special function. So the invention first sees one two-part structure of the mast, namely from a lower and a top. According to the invention, the lower part is said to have one Lattice towers are formed while a tubular casing mast is selected as the upper part. Both parts are solvable connected with each other, generally positive and non-positive.
Damit eröffnet die Erfindung den Weg zum Bau wesentlich höherer und im Ergebnis effizienterer Windkraftanlagen als bisher, d. h. bis zu Bauhöhen von etwa 200 m. Dabei könnten theoretisch 100 m Bauhöhe auf das Gittermast-Unterteil und die restlichen 100 m Bauhöhe auf das Rohrmantel- Oberteil entfallen. Dazwischen sind beliebige andere Paarungen möglich. Unter entsprechend günstigen Umständen lassen sich auch Bauhöhen über 200 m realisieren. Grenzen sind der erfindungsgemäßen Bauweise derzeit eigentlich nur durch die Leistungsfähigkeit der benötigten Montagehebezeuge gesetzt. Im Hinblick darauf wird man sich z. Z. noch auf die Verwendung von Rohrmantelmasten mit einer Höhe von etwa 40 bis 50 m beschränken und den tragenden Gittermast in der Höhe variabel gestalten, d. h. bis 100 m, bei Bedarf auch darüber hinaus.In order to open the invention paved the way for the construction of significantly higher and, as a result, more efficient wind turbines than before, d. H. up to heights of about 200 m. Doing so theoretically 100 m height to the lower part of the lattice tower and the remaining 100 m height to the The upper part of the tubular jacket is omitted. Any other pairings are possible in between. Under appropriately cheap circumstances construction heights over 200 m realize. The design of the invention is actually currently limited only by performance the needed Assembly hoists set. In this regard, you will z. Z. still on the use of tubular jackets with a height of about Limit 40 to 50 m and make the load-bearing lattice tower variable in height, d. H. up to 100 m, if necessary also above out.
Wegen der unterschiedlichen Typen, Gattung oder Herkunft der Teilmaste könnte man den erfindungsgemäßen Mast auch als Hybridmast bezeichnen. Der erfindungsgemäße Hybridmast ist aber nicht nur geeignet, in bisher kaum für möglich gehaltene Bauhöhen vorzustoßen. Er ist auch im Bereich herkömmlicher Bauhöhen vorteilhaft einsetzbar. So können auch Gittermast-Unterteile mit Rohrmantel-Oberteilen jeweils unter 50 m Bauhöhe miteinander kombiniert werden. Auch insoweit kann die erfindungsgemäße Bauart wirtschaftlich interessant sein.Because of the different types, genus or origin of the partial masts could one the mast according to the invention also referred to as a hybrid mast. The hybrid mast according to the invention is not only suitable to advance into construction heights that were previously thought to be impossible. He is also more conventional heights can be used advantageously. So can also lattice mast lower parts with pipe shell upper parts each less than 50 m high be combined. The type according to the invention can also be used in this respect be economically interesting.
Vorteilhaft ist das Gittermast-Unterteil als großmaschig aufgelöstes Gitter mit großer Spannweite der Gitterstäbe und reduzierter Anzahl von Einzelteilen sowie Verbindungsmitteln ausgeführt. Die Wahl von Gitterstäben mit großer Spannweite und die Verringerung von Einzelteilen samt zugehöriger Verbindungsmittel lassen eine übersichtlichere und letztlich auch sicherere Ausführung des Gitterwerkes zu, was insbesondere die für die Dauerfestigkeit maßgeblichen – und jeweils zu berechnenden – Schraubanschlüsse betrifft.Advantageous is the lower part of the lattice mast as a large-mesh lattice with great Span of the bars and reduced number of individual parts and connecting means executed. The choice of bars with great Span and the reduction of individual parts including associated fasteners leave a clearer and ultimately also safer execution of the lattice work, what especially those for the fatigue strength is decisive - and in each case to be calculated - concerns screw connections.
Zweckmäßigerweise sind bei dem Gittermast-Unterteil hochfeste Passschraubenverbindungen vorgesehen.Conveniently, are high-strength fitting screw connections on the lower part of the lattice tower intended.
Nach einem weiteren Vorschlag sind bei dem Gittermast-Unterteil hochfeste Kopfplattenverbindungen vorgesehen.To Another proposal is high-strength in the lower part of the lattice tower Head plate connections provided.
Vorteilhaft beträgt die untere Spreizung des Gittermastes etwa 0,16 H1 (= Höhe des Gittermastes).The lower spread of the lattice mast is advantageously about 0.16 H 1 (= height of the lattice mast).
Bei einer Weiterbildung des Erfindungsgegenstandes ist zur Verbindung des Rohrmantelmastes (= Oberteil) mit dem Gittermast (= Unterteil) ein Ringträger als eigenes Koppelbauteil vorgesehen.at a further development of the subject of the invention is for connection of the tubular jacket mast (= upper part) with the lattice mast (= lower part) a ring bearer provided as a separate coupling component.
Zweckmäßigerweise verfügt der Ringträger über eine Tragfläche und Anschlussmittel für den Rohrmantelmast.Conveniently, has the ring bearer over a wing and connection means for the tubular jacket mast.
Vorteilhaft besitzt der Ringträger Pratzen zum Anschluss an den Gittermast.Advantageous has the ring bearer Claws for connection to the lattice mast.
Nach einem weiteren Vorschlag weist der Ringträger – im montierten Zustand – an seinem oberen und unteren Ende eine Abschlussplatte auf, welche mit mindestens einer Durchtrittsöffnung versehen ist.To Another suggestion shows the ring carrier - in the assembled state - on his upper and lower end on an end plate, which with at least a passage opening is provided.
Zweckmäßigerweise bildet die Abschlussplatte am oberen Ende des Ringträgers die Tragfläche für den Rohrmantelmast und sind die Anschlussmittel für den Rohrmantelmast daran verankert.Conveniently, forms the end plate at the upper end of the ring carrier wing for the Rohrmantelmast and are the connection means for the Rohrmantelmast on it anchored.
Bei einer Weiterbildung bestehen die Anschlussmittel für den Rohrmantelmast aus einem auf der Abschlussplatte aufgeschweißten und umlaufend mit Schrauben bestückten Ringflansch.at the connecting means for the tubular jacket mast are further developed from a welded on the end plate and all around with screws stocked Annular flange.
Vorteilhaft sind zwischen Pratzen und Ringträger lösbare Verbindungen in Form komplementärer Verbindungsteile, einschließlich Spannschrauben und insbesondere hochfeste Passschrauben, vorgesehen. Die Verbindungsteile insgesamt können sich dabei in radialer Richtung erstrecken und über innere Anschlagflächen verfügen, welche ihrerseits geneigt sind oder auch aufrecht stehen. Die Anschlagflächen können von (fluchtenden) Bohrungen umgeben sein zur Aufnahme von entsprechenden Schraubbolzen (oder Spannschrauben).Advantageous are between claws and ring bearers releasable Connections in the form of complementary Connecting parts, including Tensioning screws and especially high-strength fitting screws. The connecting parts as a whole can extend in the radial direction and have inner stop surfaces which in turn are inclined or stand upright. The stop surfaces can be from (aligned) holes must be surrounded to accommodate corresponding Bolts (or turnbuckles).
Weitere Einzelheiten und Vorteile der Erfindung werden nachfolgend in Verbindung mit der Zeichnung für bevorzugte Ausführungsbeispiele beschrieben. Darin zeigen:Further Details and advantages of the invention are set forth below with the drawing for preferred embodiments described. In it show:
Nach
Der
Gittermast
Im übrigen sind
mit gleichem Abstand vom Mittelpunkt des Ringträgers
Den
letztgenannten Figuren kann im übrigen auch
entnommen werden, dass der Ringträger
- 11
- Gittermast, (Gittermast-)UnterteilLattice tower, (Lattice boom) lower part
- 22
- Rohrmantelmast, (Rohrmantelmast-)OberteilPipe casing mast, (Rohrmantelmast-) shell
- 33
- GitterstabGitterstab
- 44
- Ringträger, Koppelbauteil, KoppelteilRing carrier, coupling component, coupling part
- 55
- Ringflanschannular flange
- 66
- oberes Endeupper The End
- 77
- unteres Endelower The End
- 88th
- AbschlussplatteEnd plate
- 99
- DurchtrittsöffnungThrough opening
- 1010
- Pratzepaw
- 1111
- Kragarmcantilever
- 1212
- Eckpfostencorner posts
- 1313
- Verbindungsteilconnecting part
- 1414
- Schraubenscrew
- H1 H 1
-
Höhe des Gittermastes
1 Height of the lattice tower1 - H2 H 2
-
Höhe des Rohrmantelmastes
2 Height of the tubular jacket mast2 - Nges. N total
- Gesamthöhe (H1 + H2)Overall height (H 1 + H 2 )
- SS
- Spreizung, Spreizmaßspreading, of spread
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004006633U DE202004006633U1 (en) | 2004-04-26 | 2004-04-26 | Mast for wind power unit has lattice mast lower part and cover tube upper part connected by a coupling |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202004006633U DE202004006633U1 (en) | 2004-04-26 | 2004-04-26 | Mast for wind power unit has lattice mast lower part and cover tube upper part connected by a coupling |
Publications (1)
Publication Number | Publication Date |
---|---|
DE202004006633U1 true DE202004006633U1 (en) | 2004-09-09 |
Family
ID=32981460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202004006633U Expired - Lifetime DE202004006633U1 (en) | 2004-04-26 | 2004-04-26 | Mast for wind power unit has lattice mast lower part and cover tube upper part connected by a coupling |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE202004006633U1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005033600B3 (en) * | 2005-07-14 | 2006-12-14 | Oehme, Hermann R. | Tower for wind energy plant has at least one polygonal cross section at top end of lower sector and upper sector in form of tube with fitting and circular cross-sections ends |
DE102006056274A1 (en) * | 2006-11-27 | 2008-05-29 | Repower Systems Ag | Tower of a wind turbine |
EP1729007A3 (en) * | 2005-06-03 | 2012-08-15 | Gamesa Innovation & Technology, S.L. Unipersonal | Tower for wind energy turbines |
FR2976599A1 (en) * | 2011-06-20 | 2012-12-21 | Lacroix Signalisation | SECURITY POST FOR SIGNALING |
EP2647764A1 (en) | 2012-04-04 | 2013-10-09 | STRABAG Offshore Wind GmbH | Transition piece for connecting a tower or mast foot with the upper end of a grid-like foundation structure in the offshore area |
EP2692967A2 (en) | 2012-08-04 | 2014-02-05 | e.n.o. energy systems GmbH | Method for erecting a steel tower of a wind energy plant and tower made of steel for a wind energy plant |
EP2290237A3 (en) * | 2009-08-31 | 2014-02-19 | Kværner Jacket Technology AS | A load transferring device in a wind turbine support structure |
EP3369925A1 (en) | 2017-03-01 | 2018-09-05 | GRI Renewable Industries, S.L. | Joining system between wind turbine tower main shaft and buttress elements and wind turbine tower |
CN109154278A (en) * | 2016-05-27 | 2019-01-04 | 纳布拉风力技术公司 | Tower sections and its automatic lifting method for automatic lifting wind turbine |
EP3492736A1 (en) | 2017-12-04 | 2019-06-05 | GRI Renewable Industries, S.L. | Coupling system for struts to a central tower of a wind turbine and a wind turbine tower |
-
2004
- 2004-04-26 DE DE202004006633U patent/DE202004006633U1/en not_active Expired - Lifetime
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1729007A3 (en) * | 2005-06-03 | 2012-08-15 | Gamesa Innovation & Technology, S.L. Unipersonal | Tower for wind energy turbines |
DE102005033600B3 (en) * | 2005-07-14 | 2006-12-14 | Oehme, Hermann R. | Tower for wind energy plant has at least one polygonal cross section at top end of lower sector and upper sector in form of tube with fitting and circular cross-sections ends |
DE102006056274A1 (en) * | 2006-11-27 | 2008-05-29 | Repower Systems Ag | Tower of a wind turbine |
DE102006056274B4 (en) * | 2006-11-27 | 2010-11-04 | Repower Systems Ag | Tower of a wind turbine |
EP2290237A3 (en) * | 2009-08-31 | 2014-02-19 | Kværner Jacket Technology AS | A load transferring device in a wind turbine support structure |
FR2976599A1 (en) * | 2011-06-20 | 2012-12-21 | Lacroix Signalisation | SECURITY POST FOR SIGNALING |
EP2537983A1 (en) * | 2011-06-20 | 2012-12-26 | Lacroix Signalisation | Safety device for road signs |
EP2647764A1 (en) | 2012-04-04 | 2013-10-09 | STRABAG Offshore Wind GmbH | Transition piece for connecting a tower or mast foot with the upper end of a grid-like foundation structure in the offshore area |
DE102012006851A1 (en) * | 2012-04-04 | 2013-10-10 | Strabag Offshore Wind Gmbh | Transition piece for connecting a tower or mast foot to the upper end of a grid-like foundation structure in the offshore area |
EP2692967A2 (en) | 2012-08-04 | 2014-02-05 | e.n.o. energy systems GmbH | Method for erecting a steel tower of a wind energy plant and tower made of steel for a wind energy plant |
DE102012015489A1 (en) | 2012-08-04 | 2014-02-06 | E.N.O. Energy Systems Gmbh | Method of erecting a steel tower of a wind turbine and tower of steel for a wind turbine |
CN109154278A (en) * | 2016-05-27 | 2019-01-04 | 纳布拉风力技术公司 | Tower sections and its automatic lifting method for automatic lifting wind turbine |
CN109154278B (en) * | 2016-05-27 | 2020-06-09 | 纳布拉风力技术公司 | Tower section for automatically lifting a wind turbine and method for automatically lifting the same |
EP3369925A1 (en) | 2017-03-01 | 2018-09-05 | GRI Renewable Industries, S.L. | Joining system between wind turbine tower main shaft and buttress elements and wind turbine tower |
EP3492736A1 (en) | 2017-12-04 | 2019-06-05 | GRI Renewable Industries, S.L. | Coupling system for struts to a central tower of a wind turbine and a wind turbine tower |
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Legal Events
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R207 | Utility model specification |
Effective date: 20041014 |
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R150 | Utility model maintained after payment of first maintenance fee after three years |
Effective date: 20070705 |
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R151 | Utility model maintained after payment of second maintenance fee after six years |
Effective date: 20100715 |
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R152 | Utility model maintained after payment of third maintenance fee after eight years |
Effective date: 20120712 |
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R082 | Change of representative |
Representative=s name: GROMMES, KARL FRIEDRICH, DR.-ING., DE |
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R081 | Change of applicant/patentee |
Owner name: SIAG INDUSTRIE GMBH, DE Free format text: FORMER OWNER: SIAG SCHAAF INDUSTRIE AKTIENGESELLSCHAFT, 56428 DERNBACH, DE Effective date: 20130813 |
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R082 | Change of representative |
Representative=s name: GROMMES, KARL FRIEDRICH, DR.-ING., DE Effective date: 20130813 |
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R071 | Expiry of right | ||
R071 | Expiry of right |