EP0607915B1 - Method and device for elongating a pylon during operation - Google Patents
Method and device for elongating a pylon during operation Download PDFInfo
- Publication number
- EP0607915B1 EP0607915B1 EP94100623A EP94100623A EP0607915B1 EP 0607915 B1 EP0607915 B1 EP 0607915B1 EP 94100623 A EP94100623 A EP 94100623A EP 94100623 A EP94100623 A EP 94100623A EP 0607915 B1 EP0607915 B1 EP 0607915B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tower
- mast
- foot
- pylon
- supports
- 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
Images
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
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
-
- 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
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
- E04H12/344—Arrangements for lifting tower sections for placing additional sections under them
Definitions
- the invention relates to a method for extending an overhead line mast, in particular a lattice mast with a square cross-section according to the preamble of claim 1 and an apparatus for performing the method.
- a method for the erection of such overhead line masts is from the BE-A-645 734, in which after determining the place of installation Prefabricated mast parts are successively assembled with each other by a mast section is raised by means of a lifting device, inserted a new mast part below and is connected to the mast section and this process is repeated until the intended mast height has been reached.
- an operating Transmission tower without interruption of operation that is, without switching off the high voltage is extended, with a lifting device on the transmission tower to be extended placed and in at least two planes spaced from each other is firmly connected to the mast.
- the lifting device initially serves to to support the mast against lateral deflection.
- the mast is complete the conductor cables suspended from the trusses are separated from its mast base and raised by means of the lifting device connected to the mast until it has reached the desired height.
- Mast and mast foot inserted and filled with a prepared mast part filling the gap the raised mast and the mast base are also firmly connected, similar to building a stick. If the inserted mast part is firmly connected on all sides, the connection is made the lifting device with the mast released and the lifting device from the mast away.
- a lifting device of the type mentioned above for According to the invention the method is carried out by Features of claim 3 characterized.
- Such Lifting device has supports that move evenly around the mast is distributed and with each other and with the Mast are firmly but releasably connected.
- the supports are telescopically adjustable, preferably by means of hydraulic loading.
- the lifting means are hydraulically loaded, whereby according to a preferred embodiment of the invention, the lifting means are designed as a hydraulic grip.
- cables can be integrated in the supports, which serve to secure the mast and so to its Ensure stability for the duration of the renovation.
- the main advantage of the invention results from that the above-mentioned adjustment of the ground clearance of the overhead lines to the required height for those in operation Overhead lines can be made without the electricity must be parked in the overhead lines.
- the overhead lines over isolators are connected to the support arms of the support masts with the stability of the masts during the extension procedure contribute.
- FIG. 1 shows an overhead line mast 10 with support arms 12, 14 and conductor cables 16, 17, 18 suspended thereon in a side view shown, which is held by a lifting device 20 which consists of supports 22 arranged on each corner post with integrated lifting devices, not shown here is formed.
- a lifting device 20 which consists of supports 22 arranged on each corner post with integrated lifting devices, not shown here is formed.
- FIG 1 is a common Overhead line mast 10 is intended to illustrate how using the lifting device 20 according to the invention there is the possibility of such a mast 10 so far to raise that, as shown in Figure 2, an extension piece 30 without difficulty between the mast base 11 and the raised overhead line pylon 10 are inserted can.
- the supports 22 of the lifting device 20 are in three places by means of trusses 24, 26, 28 firmly with each other and with connected to the mast 10 or to the mast foot 11.
- the lifting device 20 according to the purpose Implementation of the method according to the invention is provided that first the lifting device, d. H. the pillars 22 to be placed on the corner posts of the mast 10 and there in each case by means of the mentioned cross members 24, 26, 28 are firmly connected to each other and to the mast 10. Subsequently, the mast 10 in the area of the mast base 11 separated from this and by means of the lifting device 20 slowly raised until it reaches the one you want Height, d. H. the intended minimum distance between the Ropes 16, 17, 18 and the bottom reached. In the resulting gap between mast base 11 and the mast 10 becomes a correspondingly prepared mast extension part 30 used and with the mast 10 and with the Mast foot 11 firmly connected, as is the case with normal mast construction is common. Then the trusses 24, 26, 28 removed as well as the supports 22 of the lifting device 20.
Abstract
Description
Die Erfindung betrifft ein Verfahren zum Verlängern eines Freileitungsmastes, insbesondere eines Gittermastes mit quadratischem Querschnitt gemäß dem Oberbegriff des Anspruchs 1 sowie eine Vorrichtung zur Durchführung des Verfahrens.The invention relates to a method for extending an overhead line mast, in particular a lattice mast with a square cross-section according to the preamble of claim 1 and an apparatus for performing the method.
Es ist bekannt, Freileitungen, insbesondere Hochspannungsfreileitungen über weite Strecken quer durchs Gelände zu führen, wobei die Tragmasten für die Freileitungen jeweils am ausgewählten Standort aufgebaut werden. Hierbei sind hinsichtlich des Abstandes der Freileitungen zum Boden, d. h. zum Erdpotential, bestimmte Mindeststrekken einzuhalten, um Betriebsstörungen wie auch Gefährdung von Mensch und Natur unterhalb der Freileitung auszuschließen.It is known to have overhead lines, in particular high-voltage overhead lines Routes run across the terrain, using the masts for the overhead lines can be set up at the selected location. Here are regarding the distance the overhead lines to the ground, d. H. to earth potential, certain minimum distances to be observed in order to avoid operational disruptions and endangerment of humans and nature below the overhead line.
Ein Verfahren zur Errichtung derartiger Freileitungsmasten ist aus der BE-A-645 734 bekannt geworden, bei welchem nach Bestimmung des Errichtungsortes vorgefertigte Mastteile sukzessiv miteinander montiert werden, indem ein Mastschuß mittels einer Hebevorrichtung angehoben wird, ein neues Mastteil darunter eingefügt und mit dem Mastschuß verbunden wird und dieser Vorgang so oft wiederholt wird, bis die vorgesehene Masthöhe erreicht ist.A method for the erection of such overhead line masts is from the BE-A-645 734, in which after determining the place of installation Prefabricated mast parts are successively assembled with each other by a mast section is raised by means of a lifting device, inserted a new mast part below and is connected to the mast section and this process is repeated until the intended mast height has been reached.
Aufgrund der Neufassung der diesbezüglichen VDE-Vorschriften sind die Bodenabstände bei älteren Freileitungen zu gering. Demgemäß muß seitens der Energieversorgungsunternehmen dafür gesorgt werden, daß die vorgeschriebenen Mindestabstände durch Änderung der Masthöhe angepaßt werden. Due to the new version of the relevant VDE regulations, the floor clearances are too low for older overhead lines. Accordingly, on the part of the energy supply company ensure that the prescribed minimum distances can be adjusted by changing the mast height.
Für die Änderung der Masthöhe ist es allgemein bekannt, hierfür den sogenannten Stockbau vorzusehen. Beim Stockbau werden die Masten jeweils vor Ort abgebaut und dann auf die neue geforderte Höhe wieder aufgebaut. Zu diesem Zweck ist es unumgänglich das Versorgungsnetz, zu welchem die jeweiligen Freileitungen gehören, für die Dauer dieser Arbeiten abzuschalten. Eine solche Abschaltung kann unter Umständen zu erheblichen Störungen in der Stromversorgung einer Region führen und es besteht das dringende Interesse seitens der Energieversorgungsunternehmen, eine solche Stromabschaltung unter allen Umständen zu vermeiden.It is generally known for changing the mast height, the so-called To provide floor construction. When building a pole, the masts are dismantled on site then rebuilt to the new required height. For this purpose it is essential the supply network, to which the respective overhead lines belong, for switch off the duration of this work. Under certain circumstances, such a shutdown lead to significant disruptions in the power supply of a region and there is the urgent interest on the part of energy supply companies, such Avoid power cut-off under all circumstances.
Ausgehend von diesem Stand der Technik ist es daher Aufgabe der Erfindung, ein Verfahren der eingangs genannten Art anzugeben, welches bei einer im Betrieb befindlichen Freileitung anwendbar ist, so daß ohne Abschaltung des Versorgungsnetzes die erforderliche Masterhöhung durchgeführt werden kann.Starting from this prior art, it is therefore an object of the invention to: Specify the method of the type mentioned, which one in operation Overhead line is applicable, so that without switching off the supply network the required master's degree can be carried out.
Die Lösung dieser Aufgabe ist erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gekennzeichnet. Danach ist vorgesehen, daß ein in Betrieb befindlicher Freileitungsmast ohne Betriebsunterbrechung, das heißt ohne Abschaltung der Hochspannung verlängert wird, wobei eine Hebevorrichtung an dem zu verlängernden Freileitungsmast plaziert und in wenigstens zwei zueinander im Abstand befindlichen Ebenen mit dem Mast fest verbunden wird. Hierbei dient die Hebevorrichtung zunächst dazu, den Mast gegen seitliches Auslenken zu stützen. Anschließend wird der Mast mitsamt den an den Traversen aufgehängten Leiterseilen von seinem Mastfuß getrennt und mittels der mit dem Mast verbundenen Hebevorrichtung so weit angehoben, bis er die gewünschte Höhe erreicht hat. Dann wird in die so entstandene Lücke zwischen Mast und Mastfuß ein die Lücke ausfüllendes vorbereitetes Mastteil eingefügt und mit dem angehobenen Mast sowie mit dem Mastfuß ebenfalls fest verbunden, ähnlich wie beim Stockbau. Wenn das eingefügte Mastteil allseits fest verbunden ist, wird die Verbindung der Hebevorrichtung mit dem Mast gelöst und die Hebevorrichtung vom Mast entfernt.This object is achieved according to the invention by the features of the patent claim 1 marked. Thereafter it is provided that an operating Transmission tower without interruption of operation, that is, without switching off the high voltage is extended, with a lifting device on the transmission tower to be extended placed and in at least two planes spaced from each other is firmly connected to the mast. Here, the lifting device initially serves to to support the mast against lateral deflection. Then the mast is complete the conductor cables suspended from the trusses are separated from its mast base and raised by means of the lifting device connected to the mast until it has reached the desired height. Then there is a gap between them Mast and mast foot inserted and filled with a prepared mast part filling the gap the raised mast and the mast base are also firmly connected, similar to building a stick. If the inserted mast part is firmly connected on all sides, the connection is made the lifting device with the mast released and the lifting device from the mast away.
In weiterer Verbesserung des erfindungsgemäßen Verfahrens kann in Abhängigkeit vom verfügbaren Platz vorgesehen sein, daß der Mast respektive die Hebevorrichtung an ihrem oberen Ende seitlich abgespannt wird, um so zusätzliche Standsicherheit zu gewährleisten.In a further improvement of the method according to the invention can be dependent be provided by the available space, that the mast or the lifting device on its upper End is braced laterally, so additional stability to ensure.
Eine Hebevorrichtung der zuvor angesprochenen Art zur Durchführung des Verfahrens ist erfindungsgemäß durch die Merkmale des Patentanspruchs 3 gekennzeichnet. Eine derartige Hebevorrichtung besitzt Stützen, welche gleichmäßig um den Mast verteilt angeordnet und miteinander sowie mit dem Mast fest aber lösbar verbunden sind. Ferner sind Hebemittel vorgesehen, die mit den Stützen zusammenwirken und dazu dienen, den Mast soweit vom Mastfuß anzuheben, daß ein vorbereitetes Verlängerungsteil zwischen Mast und Mastfuß einfügbar ist.A lifting device of the type mentioned above for According to the invention, the method is carried out by Features of claim 3 characterized. Such Lifting device has supports that move evenly around the mast is distributed and with each other and with the Mast are firmly but releasably connected. There are also lifting devices provided that cooperate with the supports and to do so serve to raise the mast from the mast base so far that a prepared Extension part can be inserted between the mast and mast base is.
In vorteilhafter Weiterbildung der Erfindung kann vorgesehen sein, daß die Stützen teleskopartig verstellbar sind, vorzugsweise mittels hydraulischer Beaufschlagung.In an advantageous development of the invention can be provided be that the supports are telescopically adjustable, preferably by means of hydraulic loading.
Gemäß einer bevorzugten Ausführungsform der Erfindung sind auch die Hebemittel hydraulisch beaufschlagt, wobei gemäß einer bevorzugten Ausgestaltung der Erfindung die Hebemittel als hydraulischer Greifzug ausgebildet sind.According to a preferred embodiment of the invention also the lifting means are hydraulically loaded, whereby according to a preferred embodiment of the invention, the lifting means are designed as a hydraulic grip.
Zusätzlich können in den Stützen Seilzüge integriert sein, welche zur Absicherung des Mastes dienen und so zu dessen Standsicherheit für die Dauer des Umbaus sorgen.In addition, cables can be integrated in the supports, which serve to secure the mast and so to its Ensure stability for the duration of the renovation.
Der wesentliche Vorteil der Erfindung ergibt sich daraus, daß die eingangs erläuterte Anpassung des Bodenabstandes der Freileitungen an die geforderte Höhe bei in Betrieb befindlichen Freileitungen erfolgen kann, ohne daß der Strom in den Freileitungen abgestellt werden muß. Hierbei wird außerdem ausgenutzt, daß die Freileitungen die über Isolatoren an den Tragarmen der Tragmasten angeschlossen sind mit zur Standsicherheit der Tragmasten während der Verlängerungsprozedur beitragen. The main advantage of the invention results from that the above-mentioned adjustment of the ground clearance of the overhead lines to the required height for those in operation Overhead lines can be made without the electricity must be parked in the overhead lines. Here will also exploited that the overhead lines over isolators are connected to the support arms of the support masts with the stability of the masts during the extension procedure contribute.
Diese und weitere vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.These and other advantageous embodiments of the invention are the subject of the subclaims.
Anhand eines in der Zeichnung dargestellten Ausführungsbeispieles sollen die Erfindung, vorteilhafte Ausgestaltungen und besondere Vorteile der Erfindung näher erläutert und beschrieben werden.Based on an embodiment shown in the drawing are the invention, advantageous embodiments and special advantages of the invention explained in more detail and to be discribed.
Es zeigen:
- Figur 1
- einen Tragmast mit erfindungsgemäßer Hebevorrichtung im angehobenen Zustand
- Figur 2
- die Anordnung gemäß Figur 1 mit eingefügtem Verlängerungsteil
- Figure 1
- a mast with lifting device according to the invention in the raised state
- Figure 2
- the arrangement of Figure 1 with inserted extension part
In Figur 1 ist ein Freileitungsmast 10 mit Tragarmen 12, 14
und daran aufgehängten Leiterseilen 16, 17, 18 in Seitenansicht
dargestellt, der von einer Hebevorrichtung 20 gehalten
ist, die aus an jedem Eckstiel angeordneten Stützen 22
mit integrierten, hier nicht näher dargestellten Hebemitteln
gebildet ist. Unterhalb des Tragmastes 10, in dem Untergrund,
auf welchem sich die Hebevorrichtung 20 abstützt,
verankert, befindet sich ein Mastfuß 11, mit welchem der
Mast 10 fest verbunden war, bevor er aufgrund der Anhebung
mittels der Hebevorrichtung 20 hiervon getrennt wurde.1 shows an
Die in Figur 1 gezeigte Anordnung, welche einen üblichen
Freileitungs-Mast 10 betrifft, soll veranschaulichen, wie
unter Verwendung der erfindungsgemäßen Hebevorrichtung 20
die Möglichkeit besteht, einen solchen Tragmast 10 so weit
anzuheben, daß, wie in Figur 2 gezeigt, ein Verlängerungsteil
30 ohne Schwierigkeiten zwischen den Mastfuß 11 und
den angehobenen Freileitungstragmast 10 eingefügt werden
kann. The arrangement shown in Figure 1, which is a common
Die Stützen 22 der Hebevorrichtung 20 sind an drei Stellen
mittels Traversen 24, 26, 28 fest untereinander sowie mit
dem Mast 10 bzw. mit dem Mastfuß 11 verbunden.The supports 22 of the
Der Einsatz der erfindungsgemäßen Hebevorrichtung 20 zwecks
Durchführung des erfindungsgemäßen Verfahrens ist so vorgesehen,
daß zunächst die Hebevorrichtung, d. h. die Stützen
22 an den Eckstielen des Tragmastes 10 plaziert werden
und dort jeweils mittels der genannten Traversen 24, 26, 28
miteinander sowie mit dem Tragmast 10 fest verbunden werden.
Anschließend wird der Tragmast 10 im Bereich des Mastfußes
11 von diesem getrennt und mittels der Hebevorrichtung
20 langsam soweit angehoben, bis er die gewünschte
Höhe, d. h. den vorgesehenen Mindestabstand zwischen den
Leiterseilen 16, 17, 18 und dem Boden erreicht. In die
hierbei entstehende Lücke zwischen Mastfuß 11 und dem Tragmast
10 wird ein entsprechend vorbereitetes Mastverlängerungsteil
30 eingesetzt und mit dem Mast 10 sowie mit dem
Mastfuß 11 fest verbunden, wie es beim normalen Mastaufbau
üblich ist. Anschließend werden die Traversen 24, 26, 28
entfernt ebenso wie die Stützen 22 der Hebevorrichtung 20.The use of the
Claims (7)
- Method for extending an overhead line tower (10), in particular a lattice tower with a square cross section, in which the tower (10) which is assembled from individual tower parts, is raised by means of a hoisting device (20) in each case so as to fit therebelow a new tower part which is connected to the existing tower, this process being repeated until the final tower height is reached, characterized in that an overhead line tower (10) in operation is extended without interrupting operation, specifically without switching off the operating voltage, in that for this purpose the hoisting device (20) is connected to the tower (10), in that the tower (10) is subsequently separated from its tower foot (11), in that the entire tower (10) including the cross-arms (12, 14) and the live cables (16, 17, 18) fastened thereto are raised, in that a prepared tower part (22) is inserted as an extension piece and connected to the tower (10) as well as to the tower foot (11), and in that the hoisting device (20) is subsequently detached from the tower (10).
- Method according to Claim 1, characterized in that the tower (10) is laterally guyed before it is separated from its tower foot (11).
- Device for carrying out the method according to Claim 1 or 2, in particular for extending a lattice tower with a square cross section, characterized by adjustable supports (22) which are arranged distributed evenly about the tower (10) and are connected to one another and to the tower (10), and by hoisting gear which cooperates with the supports (22) and serves the purpose of raising the tower (10) so far from the tower foot (11) that a prepared extension part (30) can be inserted between the tower (10) and tower foot (11).
- Device according to Claim 3, characterized in that the supports (22) can be adjusted telescopically.
- Device according to Claim 3 or 4, characterized in that the supports (22) are under hydraulic pressure.
- Device according to one of Claims 3 to 5, characterized in that the hoisting gear is under hydraulic pressure.
- Device according to one of the preceding claims, characterized in that the hoisting gear is constructed as a hydraulic gripper hoist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4301467 | 1993-01-21 | ||
| DE4301467A DE4301467A1 (en) | 1993-01-21 | 1993-01-21 | Method and device for extending an overhead line mast in operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0607915A1 EP0607915A1 (en) | 1994-07-27 |
| EP0607915B1 true EP0607915B1 (en) | 1999-05-26 |
Family
ID=6478588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP94100623A Expired - Lifetime EP0607915B1 (en) | 1993-01-21 | 1994-01-18 | Method and device for elongating a pylon during operation |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0607915B1 (en) |
| AT (1) | ATE180537T1 (en) |
| DE (2) | DE4301467A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117399A1 (en) * | 2001-04-06 | 2002-10-10 | Abb Patent Gmbh | Method and device for raising masts |
| US10119522B2 (en) | 2014-04-01 | 2018-11-06 | Nabrawind Technologies SL | System and method of assembling a wind turbine |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4430759C2 (en) * | 1994-08-30 | 1997-07-17 | Abb Patent Gmbh | Method and device for replacing a mast head of an angular support mast of a power transmission line |
| DE4430760C2 (en) * | 1994-08-30 | 1997-12-04 | Abb Patent Gmbh | Method and device for replacing a mast head of a guy tower of a power transmission line |
| DE4430761C2 (en) * | 1994-08-30 | 1997-07-17 | Abb Patent Gmbh | Method and device for replacing a mast head of a mast of a high-voltage overhead line |
| DE4435489C2 (en) * | 1994-10-04 | 1997-04-03 | Abb Patent Gmbh | Method and device for changing a main diagonal bar |
| DE4435488C2 (en) * | 1994-10-04 | 1997-04-10 | Abb Patent Gmbh | Method and device for changing a gusset plate |
| DE4445165C2 (en) * | 1994-12-17 | 2000-02-17 | Abb Patent Gmbh | Method and stick tree for erecting lattice masts |
| DE19803954B4 (en) * | 1998-02-02 | 2008-02-14 | Edi.Son Energietechnik Gmbh | Method and device for raising masts |
| DE19810521A1 (en) | 1998-03-11 | 1999-09-16 | Abb Patent Gmbh | Device for raising an overhead line pylon |
| DE10111280A1 (en) * | 2001-03-09 | 2002-07-25 | Erwin Keller | Wind power plant has mast segments raised up by lift device in order to insert new segment in from below |
| DE10164514C1 (en) * | 2001-12-19 | 2003-05-08 | Fbg Freileitungsbau Gmbh | Overhead cable mast lifting device has coaxial guide bearer tubes movable relative to each other by lifting arrangement; bearer tube can be connected to upper mast part at two or more levels |
| DE10308239A1 (en) * | 2003-02-25 | 2004-09-09 | Tower Tec Gmbh & Co.Kg | Method and device for installing a wind turbine |
| FR2923504B1 (en) * | 2007-11-09 | 2010-02-12 | Freyssinet | METHOD FOR CONSTRUCTING A CIVIL WORK AND ASSOCIATED SYSTEM |
| DE102016110698A1 (en) | 2016-06-10 | 2017-12-14 | Ltb Leitungsbau Gmbh | Assembly aid construction and method for replacing a support structure element |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE645734A (en) * | ||||
| FR806727A (en) * | 1936-05-25 | 1936-12-23 | Method of erection of constructions by successive vertically superimposed sections, assembled on the ground | |
| DE1035334B (en) * | 1955-01-04 | 1958-07-31 | Maschf Augsburg Nuernberg Ag | Procedure for erecting construction cranes |
| CH348528A (en) * | 1957-01-08 | 1960-08-31 | Ferrotubi S P A | Tower crane that can be lifted vertically from the ground |
| FR2167435B1 (en) * | 1972-01-14 | 1975-10-24 | Camusat Gueguen Telecomm | |
| AT358262B (en) * | 1975-05-21 | 1980-08-25 | Siemens Ag Oesterreich | DEVICE FOR CARRYING OUT A CONSTRUCTION METHOD FOR MASTS OF ELECTRICAL OPERATING CABLES OR THE LIKE. |
| FR2316180A1 (en) * | 1975-07-03 | 1977-01-28 | Potain Sa | Climbing tower crane jacking mechanism - has cage with support lifting upper section for insertion of further one |
| JPS5355857A (en) * | 1976-10-29 | 1978-05-20 | Ishikawajima Harima Heavy Ind Co Ltd | Climbing crane |
| CA1143958A (en) * | 1980-05-20 | 1983-04-05 | Victor F. Arnold | Poles for supporting electic power transmission lines and the like |
| SU1714737A1 (en) * | 1989-08-09 | 1992-02-23 | Винницкий политехнический институт | Device for replacement power transmission line supports |
-
1993
- 1993-01-21 DE DE4301467A patent/DE4301467A1/en not_active Withdrawn
-
1994
- 1994-01-18 AT AT94100623T patent/ATE180537T1/en not_active IP Right Cessation
- 1994-01-18 EP EP94100623A patent/EP0607915B1/en not_active Expired - Lifetime
- 1994-01-18 DE DE59408291T patent/DE59408291D1/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117399A1 (en) * | 2001-04-06 | 2002-10-10 | Abb Patent Gmbh | Method and device for raising masts |
| US10119522B2 (en) | 2014-04-01 | 2018-11-06 | Nabrawind Technologies SL | System and method of assembling a wind turbine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0607915A1 (en) | 1994-07-27 |
| ATE180537T1 (en) | 1999-06-15 |
| DE4301467A1 (en) | 1994-07-28 |
| DE59408291D1 (en) | 1999-07-01 |
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