EP1861564B1 - Working platform - Google Patents

Working platform Download PDF

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Publication number
EP1861564B1
EP1861564B1 EP06725098A EP06725098A EP1861564B1 EP 1861564 B1 EP1861564 B1 EP 1861564B1 EP 06725098 A EP06725098 A EP 06725098A EP 06725098 A EP06725098 A EP 06725098A EP 1861564 B1 EP1861564 B1 EP 1861564B1
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EP
European Patent Office
Prior art keywords
tower
working platform
platform
platform assembly
carrier
Prior art date
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EP06725098A
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German (de)
French (fr)
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EP1861564A1 (en
Inventor
Aloys Wobben
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Individual
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Individual
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Priority to PL06725098T priority Critical patent/PL1861564T3/en
Priority to SI200630661T priority patent/SI1861564T1/en
Publication of EP1861564A1 publication Critical patent/EP1861564A1/en
Application granted granted Critical
Publication of EP1861564B1 publication Critical patent/EP1861564B1/en
Priority to CY20101100568T priority patent/CY1110120T1/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/36—Scaffolds for particular parts of buildings or buildings of particular shape, e.g. for stairs, cupolas, domes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
    • E04G3/28—Mobile scaffolds; Scaffolds with mobile platforms
    • E04G3/30—Mobile scaffolds; Scaffolds with mobile platforms suspended by flexible supporting elements, e.g. cables

Definitions

  • the present invention relates to a working platform for use inside a tower-like structure.
  • a work platform is typically attached to a crane and introduced from above into the interior of the tower-like structure.
  • this is only possible as long as the upper end of the tower-like structure is open.
  • a use of a working platform on a crane is no longer possible. For example, since the tower of a wind turbine can reach a height of 100 meters, work inside the tower is not easily possible.
  • a working platform which can be used inside a tower-like structure, such as a tower of a wind turbine.
  • the platform has a scissors-like support structure. On this support structure, a work platform is arranged.
  • a working platform which can adapt to different cross sections. This is particularly important in tower-like structures whose cross-sections taper towards the top, so that the available area for a working platform varies accordingly.
  • the invention is based on the idea to provide a scaffold-like framework as a support structure for a working platform, which climbs upwards in the interior of a tower with the construction progress and has a working platform.
  • a work platform or indoor stage is advantageously used in towers, which are made of precast concrete parts.
  • the prefabricated concrete elements used for the erection of a tower have holders on their inner circumference, on which the inner stage or parts of the inner stage can be hung.
  • these holders are arranged at predetermined heights and distances. Holders may either have been pre-installed in the precast concrete parts, or they may be retrofitted.
  • the distributively arranged holders allow the work platform to behave analogously to a mountaineer who, during the ascent, hooks hooks above its position into a mountain wall and then climbs up to these hooks.
  • the holders are preferably mounted in advance, so that a working platform can quickly climb up or down on these holders.
  • an actuating element is arranged around the central support element around which acts on the lower scissor lattice bars resting against the central support element.
  • the actuator By the actuator, the lower scissors lattice bars can be acted upon with a tensile force. This leads to a retraction of the scissor lattice and thus a reduction in the size of the platform, so that it can be moved into a part of the tower with a smaller cross-section.
  • An application of the shear lattice bars with a compressive force leads to an extension of the scissor lattice and thus to an increase in the working platform. If the platform already passes through the entire tower cross-section and abuts the tower conversion, can be adjusted by the force exerted on the scissor lattice bars compressive pressure, with which the peripheral edge of the platform rests against the tower wall.
  • Fig. 1 shows a cross section of a tower-like structure with a working platform according to the first embodiment.
  • the building under construction 100 preferably a tower of a wind turbine, has two pre-fabricated precast concrete parts 10, 11, which are arranged on top of each other.
  • the working platform 50 is lowered into the interior of the tower-like structure.
  • the work platform 50 consists essentially from a support structure, which consists of scissors-like support arms, and a working platform 7.
  • Fig. 2 shows a cross section of a tower-like structure with a working platform according to the first embodiment. While in Fig. 1 a situation is shown in which the work platform is introduced into the interior of the tower-like structure is in Fig. 2 shown the situation in which the platform is extended and the tower cross-section completely penetrated. This is essentially achieved by extending the safety lattice-like support arms 5 until they touch the inner wall of the tower-like structure. In the lower area of the platform several Tirak winches 1 are provided. These are preferably attached to an outer end of each Scherengitterarms. On the platform 7, which preferably extends over the entire cross section of the interior of the tower-like structure, people and material and tools may be located. The platform 7 takes over the function of a working platform and the people can perform work steps there to build the tower-like structure.
  • Fig. 3 shows a further cross section of the tower-like structure with a working platform according to the first embodiment. While in the Figures 1 and 2 only two precast concrete parts 10 and 11 are already shown mounted, shows Fig. 3 the situation in which a further precast concrete part 12 is mounted on the two already assembled precast concrete parts 10 and 11.
  • 3 holders are provided in the inner wall of the concrete precast elements, are attached to which (not shown) ropes. These ropes run through the Tirak winches, so that the stage according to the invention can move in the vertical direction along the ropes by suitable control of the Tirak winches within the tower.
  • a power supply for the platform and their Tirak winches can z. B. be provided by a cable from below.
  • Fig. 4 shows a cross section of a tower-like structure with a working platform according to the first embodiment.
  • all three precast concrete parts 10, 11 and 12 are now mounted, and the platform 50 must be moved upwards to allow work in the upper finished part 12 and / or the installation of the subsequent precast concrete part.
  • one of the workers can climb up to the holder 3 of the inner wall of the third concrete precast element 12 by means of a ladder 15 in order to fix a rope of the Tirak winch 1 there accordingly.
  • a telescopic rod can also be used.
  • the number of holders 3 on the inner wall of the tower-like structure should be at least equal to the number of Tirak winches, so that the ropes of the Tirak winches can be attached thereto accordingly.
  • the brake is released in each case on a winch, so that the rope can be pulled upwards.
  • the rope is fixed again in the winch, so that the stage is also worn by this rope again. Thereafter, the next rope is released and hung in the corresponding upper holder 3, etc.
  • Fig. 5 shows a cross section through a tower-like structure with a working platform according to the first embodiment.
  • the scissors-like support arms 5 of the work platform can be seen.
  • the platform has rollers 16 (here 6 pieces) on the outside of the work platform. The rollers come then with the platform extended in contact with the inner wall of the tower-like structure, so that the platform 50 can be moved up or down more easily and damage to the tower inner wall and / or platform during movement is avoided.
  • the platform comprises a predetermined number of plates, which is larger by 1 than the number of support arms. All plates are the present embodiment circular. One of these plates encloses a central rod (see reference numeral 60 in FIG. 6 ) to close the middle part of the platform.
  • the remaining plates are each arranged on a support arm and secured to the outer end of the support arm. Furthermore, these plates are provided with a recess. This recess extends in the radial direction from the center of the plate in a straight line to the outside. In this case, the Auf originallyung on a width which is slightly larger than the diameter of the central rod. In situ, each of these plates is oriented so that its recess faces the central rod.
  • Fig. 6 shows a detailed sectional view of the platform according to the Figures 1 - 4 , Here, the scissors-like support arms 5 are extended on the right side. Thus, a larger inner cross section of the tower-like structure can be covered by the platform.
  • Fig. 7 shows a further detailed cross section of the tower-like structure with the work platform according to the first embodiment.
  • the platform is located within a precast concrete part 12 in the upper part of the tower-like structure.
  • the cross section of this finished part is smaller than the cross section of in Fig. 6
  • the scissors-like support arms 5 of the working platform adapt to the become smaller cross-section, when the platform is moved upwards by retracting.
  • an indoor platform or platform can be provided, which can climb up or down in the tower itself. For example, it is no longer necessary for a tower of a wind turbine, with a winch from the gondola in the basket up or drive down. Rather, now an indoor platform is provided, which can fully enforce the tower, and which can climb in a simple manner, where work is currently being carried out. Furthermore, it can be adapted to different tower cross-sections by the design of the safety lattice-like support arms 5.
  • the work platform preferably has a central rod 60 and scissor lattice / support arms 5 hinged thereto. On the support arms 5 plates 7 are arranged, which then form the working platform. Below the support arms, the so-called continuous winches or Tirak winches 1 are provided. With such Tirak or continuous winches, the aerial platform can climb up or down even on ropes running through the winches.
  • the ropes of the Tirak winches 1 are preferably attached to brackets 3 inside the tower-like structure, so that the Tirak winds on the ropes can run up or down.
  • several Tirak winches are provided on the circumference of the work platform.
  • To raise or lower the ropes of Tirac winches must be successively released from the brackets 3 and attached to the next higher or next lower holder, depending on whether the stage is to be raised or lowered.
  • at least five Tirak winches are provided on the circumference of the work platform, so that at least five ropes are provided with the corresponding brackets 3.
  • the platforms 7 of the work platform are preferably configured to overlap so that the work platform can accommodate the different cross sections within a tower-like structure.
  • each of the plates attached to a support arm has a recess which is aligned with the central rod and slightly wider than this, a retraction of a support arm with the associated movement of the leads corresponding plate 7 does not lead to a collision of the plate 7 with the central rod. Rather, the recess moves towards the central rod and picks it up.
  • the length of the recess is a measure of how far pushed together the platform or the scissors-like arm can be retracted.
  • FIG. 8 A simplified illustration of a plate 7 is shown in FIG. 8 shown.
  • rollers 6 on the circumference of the working platform 50 are provided so that the working platform rolls on the inside of the tower wall and does not scratch along there.
  • a working platform By adjustable in their cross-section platform a working platform can be provided, which adapts to the cross section of an upwardly narrowing tower-like structure.
  • the work platform described above proves to be particularly advantageous if a nacelle of a wind turbine is already arranged on the tower of the wind turbine and thus no longer has the opportunity to reach by a crane from above into the interior of the tower of the wind turbine.
  • the collapsible or disassembled working platform can be brought through the door in the lower part of the tower and constructed accordingly, so that they can then move up or down along the tower by means of the holder 3 located in the tower segments.

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  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Wind Motors (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Bridges Or Land Bridges (AREA)
  • Movable Scaffolding (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Lubricants (AREA)
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  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Types And Forms Of Lifts (AREA)
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  • Emergency Lowering Means (AREA)

Abstract

The invention concerns a working platform assembly for use in the interior of a tower-like building. The object of the present invention is to provide a working platform assembly which can be used in the interior of a tower-like building even if the tower is closed at the top by an upper structure thereon. According to the invention that object is attained by a scissor lattice-like carrier structure and a working platform arranged on the carrier structure. In that respect the invention is based on the that the working platform assembly according to the invention can be adapted to different inside diameters of the tower-like building by virtue of the scissor lattice-like carrier structure and can thus extend completely across the tower cross-section. That makes it possible to work on the platform assembly. The working platform assembly can be released from the tower wall by the scissor lattice-like carrier structure and fixed again in another region of the building of a different cross-section.

Description

Die vorliegende Erfindung betrifft eine Arbeitsbühne zur Verwendung im Inneren eines turmartigen Bauwerkes.The present invention relates to a working platform for use inside a tower-like structure.

Bei einer Montage eines turmartigen Bauwerkes wie beispielsweise einem Turm einer Windenergieanlage ist es u. a. notwendig, Arbeiten auch im Inneren des turmartigen Bauwerkes durchzuführen. Hierzu wird typischerweise eine Arbeitsbühne an einem Kran befestigt und von oben in das Innere des turmartigen Bauwerkes eingeführt. Dies ist jedoch nur solange möglich, wie das obere Ende des turmartigen Bauwerkes offen ist. Sobald das turmartige Bauwerk nach oben hin abgeschlossen ist, ist eine Verwendung einer Arbeitsbühne an einem Kran nicht mehr möglich. Da der Turm einer Windenergieanlage beispielsweise eine Höhe von 100 Metern erreichen kann, sind Arbeiten im Inneren des Turmes nicht ohne Weiteres möglich.When mounting a tower-like structure such as a tower of a wind turbine it is u. a. necessary to carry out work also inside the tower-like building. For this purpose, a work platform is typically attached to a crane and introduced from above into the interior of the tower-like structure. However, this is only possible as long as the upper end of the tower-like structure is open. Once the tower-like structure is completed at the top, a use of a working platform on a crane is no longer possible. For example, since the tower of a wind turbine can reach a height of 100 meters, work inside the tower is not easily possible.

Als Stand der Technik wird an dieser Stelle allgemein auf folgende Druckschriften hingewiesen: DE 366 A ; AT 203 033 sowie US 1,652,403 . Eine zur Verwendung im Inneren eines turmartigen Bauwerkes geeignete, eine scherengitterartige Tragstruktur aufweisende Arbeitsbühne ist in JP 52 136 412 A beschrieben.The state of the art at this point generally refers to the following documents: DE 366 A ; AT 203 033 such as US 1,652,403 , A suitable for use in the interior of a tower-like structure, a scissors-like support structure having working platform is in JP 52 136 412 A described.

Es ist somit Aufgabe der vorliegenden Erfindung, eine Arbeitsbühne vorzusehen, welche im Inneren eines turmartigen Bauwerkes mit unterschiedlichen Innendurchmessern verwendet werden kann.It is therefore an object of the present invention to provide a working platform, which can be used inside a tower-like structure with different inner diameters.

Diese Aufgabe wird durch eine Arbeitsbühne gemäß Anspruch 1.This object is achieved by a working platform according to claim 1.

Somit wird eine Arbeitsbühne vorgesehen, welche im Inneren eines turmartigen Bauwerkes, wie beispielsweise ein Turm einer Windenergieanlage, verwendet werden kann. Die Arbeitsbühne weist eine scherengitterartige Tragstruktur auf. Auf dieser Tragstruktur wird eine Arbeitsplattform angeordnet.Thus, a working platform is provided, which can be used inside a tower-like structure, such as a tower of a wind turbine. The platform has a scissors-like support structure. On this support structure, a work platform is arranged.

Daher wird eine Arbeitsbühne vorgesehen, welche sich an unterschiedliche Querschnitte anpassen kann. Dies ist insbesondere von Bedeutung bei turmartigen Bauwerken, deren Querschnitte sich nach oben hin verjüngen, so dass die zur Verfügung stehende Fläche für eine Arbeitsbühne entsprechend variiert.Therefore, a working platform is provided, which can adapt to different cross sections. This is particularly important in tower-like structures whose cross-sections taper towards the top, so that the available area for a working platform varies accordingly.

Die Erfindung beruht auf dem Gedanken, ein scherengitterartiges Gerüst als Tragstruktur für eine Arbeitsbühne vorzusehen, welches im Inneren eines Turmes mit dem Baufortschritt nach oben klettert und eine Arbeitsbühne aufweist. Eine derartige Arbeitsbühne bzw. Innenbühne ist vorteilhaft bei Türmen einsetzbar, welche aus Beton-Fertigteilen hergestellt werden.The invention is based on the idea to provide a scaffold-like framework as a support structure for a working platform, which climbs upwards in the interior of a tower with the construction progress and has a working platform. Such a work platform or indoor stage is advantageously used in towers, which are made of precast concrete parts.

Die für die Errichtung eines Turmes verwendeten Beton-Fertigteile weisen an ihrem inneren Umfang Halter auf, an denen die Innenbühne bzw. Teile der Innenbühne eingehängt werden können. Vorzugsweise sind diese Halter in vorgegebenen Höhen und Abständen angeordnet. Halter können entweder vorab in den Beton-Fertigteilen angebracht worden sein, oder sie können nachträglich eingebaut werden. Die verteilt angeordneten Halter ermöglichen der Arbeitsbühne ein Verhalten analog zu einem Bergsteiger, welcher während des Aufstiegs Haken oberhalb seiner Position in eine Bergwand einschlägt und dann bis zu diesen Haken weiter hochklettert.The prefabricated concrete elements used for the erection of a tower have holders on their inner circumference, on which the inner stage or parts of the inner stage can be hung. Preferably, these holders are arranged at predetermined heights and distances. Holders may either have been pre-installed in the precast concrete parts, or they may be retrofitted. The distributively arranged holders allow the work platform to behave analogously to a mountaineer who, during the ascent, hooks hooks above its position into a mountain wall and then climbs up to these hooks.

Ein nachträglicher Einbau dieser Haken ist grundsätzlich möglich, jedoch zeitaufwändig. So werden die Halter bevorzugt vorab montiert, so dass eine Arbeitsbühne zügig an diesen Haltern auf- oder abwärts klettern kann.Subsequent installation of these hooks is possible in principle, but time consuming. Thus, the holders are preferably mounted in advance, so that a working platform can quickly climb up or down on these holders.

Allerdings kann ein nachträglicher Einbau sinnvoll sein, wenn die Alternative eine vorübergehende Demontage der Gondel ist, da dies erheblich mehr Aufwand erfordert.However, a subsequent installation may be useful if the alternative is a temporary disassembly of the gondola, as this requires considerably more effort.

Bei einer bevorzugten Ausführungsform der Erfindung ist um das zentrale Tragelement herum ein Betätigungselement angeordnet, welches auf die am zentralen Tragelement anliegenden unteren Scherengitterstäbe wirkt. Durch das Betätigungselement können die unteren Scherengitterstäbe mit einer Zugkraft beaufschlagt werden. Dies führt zu einem Einfahren des Scherengitters und damit zu einer Verkleinerung der Größe der Arbeitsbühne, so dass sie in einen Teil des Turms mit geringerem Querschnitt verfahren werden kann. Eine Beaufschlagung der Scherengitterstäbe mit einer Druckkraft führt gegen zu einem Ausfahren des Scherengitters und damit zu einer Vergrößerung der Arbeitsbühne. Wenn die Arbeitsbühne bereits den gesamten Turmquerschnitt durchsetzt und an der Turmwandlung anliegt, kann durch die auf die Scherengitterstäbe ausgeübte Druckkraft der Anpressdruck eingestellt werden, mit welchem der Umfangsrand der Arbeitsbühne an der Turmwand anliegt.In a preferred embodiment of the invention, an actuating element is arranged around the central support element around which acts on the lower scissor lattice bars resting against the central support element. By the actuator, the lower scissors lattice bars can be acted upon with a tensile force. This leads to a retraction of the scissor lattice and thus a reduction in the size of the platform, so that it can be moved into a part of the tower with a smaller cross-section. An application of the shear lattice bars with a compressive force leads to an extension of the scissor lattice and thus to an increase in the working platform. If the platform already passes through the entire tower cross-section and abuts the tower conversion, can be adjusted by the force exerted on the scissor lattice bars compressive pressure, with which the peripheral edge of the platform rests against the tower wall.

Weitere Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Further embodiments of the invention are the subject of the dependent claims.

Die Ausführungsbeispiele der vorliegenden Erfindung werden unter Bezugnahme auf die beigefügten Zeichnungen näher erläutert.

Figur 1 - Figur 4
zeigen jeweils einen Querschnitt eines turmartigen Bauwer- kes bei der Errichtung des Bauwerkes gemäß dem ersten Ausführungsbeispiel,
Figur 5
zeigt eine Schnittansicht eines turmartigen Bauwerkes mit einer darin befindlichen Arbeitsbühne,
Figur 6
zeigt einen Querschnitt eines turmartigen Bauwerkes mit einer entsprechenden Arbeitsbühne,
Figur 7
zeigt einen weiteren Querschnitt eines turmartigen Bauwer- kes mit einer Arbeitsbühne gemäß dem ersten Ausfüh- rungsbeispiel, und
Figur 8
eine vereinfachte Darstellung einer einzelnen Platte der Ar- beitsbühne.
The embodiments of the present invention will be explained in more detail with reference to the accompanying drawings.
Figure 1 - Figure 4
each show a cross section of a tower-like building in the construction of the building according to the first embodiment,
FIG. 5
shows a sectional view of a tower-like structure with a working platform therein,
FIG. 6
shows a cross section of a tower-like structure with a corresponding working platform,
FIG. 7
shows a further cross section of a tower-like building with a working platform according to the first exemplary embodiment, and
FIG. 8
a simplified representation of a single plate of the work platform.

Fig. 1 zeigt einen Querschnitt eines turmartigen Bauwerkes mit einer Arbeitsbühne gemäß dem ersten Ausführungsbeispiel. Das sich im Aufbau befindliche Bauwerk 100, vorzugsweise ein Turm einer Windenergieanlage, weist zwei vorab gefertigte Beton-Fertigteile 10, 11 auf, welche aufeinander angeordnet werden. Mittels eines Kranseiles 20 wird die Arbeitsbühne 50 in das Innere des turmartigen Bauwerkes herabgelassen. Die Arbeitsbühne 50 besteht dabei im Wesentlichen aus einer Tragstruktur, welche aus scherengitterartigen Tragarmen besteht, und einer Arbeitsplattform 7. Fig. 1 shows a cross section of a tower-like structure with a working platform according to the first embodiment. The building under construction 100, preferably a tower of a wind turbine, has two pre-fabricated precast concrete parts 10, 11, which are arranged on top of each other. By means of a crane cable 20, the working platform 50 is lowered into the interior of the tower-like structure. The work platform 50 consists essentially from a support structure, which consists of scissors-like support arms, and a working platform 7.

Fig. 2 zeigt einen Querschnitt eines turmartigen Bauwerkes mit einer Arbeitsbühne gemäß dem ersten Ausführungsbeispiel. Während in Fig. 1 eine Situation gezeigt ist, bei der die Arbeitsbühne in das Innere des turmartigen Bauwerkes eingeführt wird, ist in Fig. 2 die Situation gezeigt, bei der die Arbeitsbühne ausgefahren ist und den Turmquerschnitt vollständig durchsetzt. Dies wird im Wesentlichen dadurch erreicht, dass die scherengitterartigen Tragarme 5 ausgefahren werden, bis sie die Innenwandung des turmartigen Bauwerkes berühren. Im unteren Bereich der Arbeitsbühne sind mehrere Tirak-Winden 1 vorgesehen. Diese sind bevorzugt jeweils an einem äußeren Ende jedes Scherengitterarms angebracht. Auf der Plattform 7, welche sich vorzugsweise über den gesamten Querschnitt des Inneren des turmartigen Bauwerkes erstreckt, können sich Personen und Material und Werkzeug befinden. Dabei übernimmt die Plattform 7 die Funktion einer Arbeitsbühne und die Personen können dort Arbeitsschritte durchführen, um das turmartige Bauwerk zu errichten. Fig. 2 shows a cross section of a tower-like structure with a working platform according to the first embodiment. While in Fig. 1 a situation is shown in which the work platform is introduced into the interior of the tower-like structure is in Fig. 2 shown the situation in which the platform is extended and the tower cross-section completely penetrated. This is essentially achieved by extending the safety lattice-like support arms 5 until they touch the inner wall of the tower-like structure. In the lower area of the platform several Tirak winches 1 are provided. These are preferably attached to an outer end of each Scherengitterarms. On the platform 7, which preferably extends over the entire cross section of the interior of the tower-like structure, people and material and tools may be located. The platform 7 takes over the function of a working platform and the people can perform work steps there to build the tower-like structure.

Fig. 3 zeigt einen weiteren Querschnitt des turmartigen Bauwerkes mit einer Arbeitsbühne gemäß dem ersten Ausführungsbeispiel. Während in den Figuren 1 und 2 jeweils nur zwei Beton-Fertigteile 10 und 11 bereits montiert gezeigt sind, zeigt Fig. 3 die Situation, bei der ein weiteres Beton-Fertigteil 12 auf die beiden bereits montierten Beton-Fertigteile 10 und 11 montiert wird. Um einerseits die Arbeitsbühne zu sichern und ihr andererseits ein Klettern im Turminneren zu ermöglichen, sind in der Innenwandung der Beton-Fertigteile Halter 3 vorgesehen, an welchen (nicht dargestellte) Seile eingehängt werden. Diese Seile verlaufen durch die Tirak-Winden, so dass die erfindungsgemäße Bühne sich durch geeignete Ansteuerung der Tirak-Winden innerhalb des Turmes entlang der Seile in vertikaler Richtung bewegen kann. Fig. 3 shows a further cross section of the tower-like structure with a working platform according to the first embodiment. While in the Figures 1 and 2 only two precast concrete parts 10 and 11 are already shown mounted, shows Fig. 3 the situation in which a further precast concrete part 12 is mounted on the two already assembled precast concrete parts 10 and 11. On the one hand to secure the platform and on the other hand to allow climbing on the inside of the tower, 3 holders are provided in the inner wall of the concrete precast elements, are attached to which (not shown) ropes. These ropes run through the Tirak winches, so that the stage according to the invention can move in the vertical direction along the ropes by suitable control of the Tirak winches within the tower.

Eine Stromversorgung für die Arbeitsbühne und ihre Tirak-Winden kann z. B. durch ein Kabel von unten her vorgesehen sein.A power supply for the platform and their Tirak winches can z. B. be provided by a cable from below.

Fig. 4 zeigt einen Querschnitt eines turmartigen Bauwerkes mit einer Arbeitsbühne gemäß dem ersten Ausführungsbeispiel. Hier sind nunmehr alle drei Beton-Fertigteile 10, 11 und 12 montiert, und die Arbeitsbühne 50 muss nach oben hin bewegt werden, um Arbeiten in dem oberen Fertigteil 12 und/oder die Montage des nachfolgenden Beton-Fertigteiles zu ermöglichen. Hierzu kann einer der Arbeiter mittels einer Leiter 15 zu dem Halter 3 der Innenwandung des dritten Beton-Fertigteiles 12 hinaufklettern, um ein Seil der Tirak-Winde 1 dort entsprechend zu befestigen. Alternativ zur Leiter 15 kann auch eine Teleskopstange verwendet werden. Vorzugsweise sollte die Anzahl der Halter 3 an der Innenwandung des turmartigen Bauwerkes wenigstens gleich der Anzahl der Tirak-Winden sein, so dass die Seile der Tirak-Winden daran entsprechend befestigt werden können. Dazu wird jeweils an einer Winde die Bremse gelöst, so dass das Seil nach oben gezogen werden kann. Nach dem Einhängen des Seiles am oberen Halter wird das Seil wieder in der Winde festgesetzt, so dass die Bühne auch von diesem Seil wieder getragen wird. Danach wird das nächste Seil gelöst und in den entsprechenden oberen Halter 3 eingehängt, usw. Fig. 4 shows a cross section of a tower-like structure with a working platform according to the first embodiment. Here, all three precast concrete parts 10, 11 and 12 are now mounted, and the platform 50 must be moved upwards to allow work in the upper finished part 12 and / or the installation of the subsequent precast concrete part. For this purpose, one of the workers can climb up to the holder 3 of the inner wall of the third concrete precast element 12 by means of a ladder 15 in order to fix a rope of the Tirak winch 1 there accordingly. As an alternative to the conductor 15, a telescopic rod can also be used. Preferably, the number of holders 3 on the inner wall of the tower-like structure should be at least equal to the number of Tirak winches, so that the ropes of the Tirak winches can be attached thereto accordingly. For this purpose, the brake is released in each case on a winch, so that the rope can be pulled upwards. After attaching the rope to the upper holder, the rope is fixed again in the winch, so that the stage is also worn by this rope again. Thereafter, the next rope is released and hung in the corresponding upper holder 3, etc.

Während dieser Vorbereitungen zum Verfahren der Arbeitsbühne innerhalb des Turms wird diese wiederholt kurzzeitig von jeweils einer Winde bzw. dem zugehörigen Seil nicht gehalten. Die Last der Arbeitsbühne muss dann jeweils von den übrigen Haltern und Seilen aufgenommen werden.During these preparations for moving the platform within the tower, this is repeatedly not briefly held by a respective winch or the associated rope. The load of the work platform must then be taken up by the other holders and ropes.

Fig. 5 zeigt einen Querschnitt durch ein turmartiges Bauwerk mit einer Arbeitsbühne gemäß dem ersten Ausführungsbeispiel. Hierbei sind die scherengitterartigen Tragarme 5 der Arbeitsbühne zu sehen. Ferner weist die Arbeitsbühne Rollen 16 (hier 6 Stück) außen an der Arbeitsbühne auf. Die Rollen kommen dann bei ausgefahrener Arbeitsbühne in Kontakt mit der Innenwandung des turmartigen Bauwerkes, so dass sich die Arbeitsbühne 50 leichter nach oben oder unten bewegen lässt und eine Beschädigung von Turminnenwand und/oder Arbeitsbühne während der Bewegung vermieden wird. Fig. 5 shows a cross section through a tower-like structure with a working platform according to the first embodiment. Here, the scissors-like support arms 5 of the work platform can be seen. Furthermore, the platform has rollers 16 (here 6 pieces) on the outside of the work platform. The rollers come then with the platform extended in contact with the inner wall of the tower-like structure, so that the platform 50 can be moved up or down more easily and damage to the tower inner wall and / or platform during movement is avoided.

Die Plattform umfasst eine vorgegebene Anzahl von Platten, die um 1 größer ist als die Anzahl der Tragarme. Sämtliche Platten sind der vorliegenden Ausführungsform kreisrund. Eine dieser Platten umschließt einen zentralen Stab (vgl. Bezugszeichen 60 in Figur 6), um den Mittelteil der Plattform zu verschließen.The platform comprises a predetermined number of plates, which is larger by 1 than the number of support arms. All plates are the present embodiment circular. One of these plates encloses a central rod (see reference numeral 60 in FIG FIG. 6 ) to close the middle part of the platform.

Die übrigen Platten sind jeweils auf einem Tragarm angeordnet und am äußeren Ende des Tragarms befestigt. Weiterhin sind diese Platten mit einer Ausnehmung versehen. Diese Ausnehmung verläuft in radialer Richtung von der Mitte der Platte geradlinig nach außen. Dabei weist die Aufnehmung eine Breite auf, die geringfügig größer ist als der Durchmesser des zentralen Stabes. In situ ist jede dieser Platten so ausgerichtet, dass ihre Ausnehmung zu dem zentralen Stab in weist.The remaining plates are each arranged on a support arm and secured to the outer end of the support arm. Furthermore, these plates are provided with a recess. This recess extends in the radial direction from the center of the plate in a straight line to the outside. In this case, the Aufnehmung on a width which is slightly larger than the diameter of the central rod. In situ, each of these plates is oriented so that its recess faces the central rod.

Fig. 6 zeigt eine detaillierte Schnittansicht der Arbeitsbühne gemäß der Figuren 1 - 4. Hierbei sind die scherengitterartigen Tragarme 5 auf der rechten Seite ausgefahren. Somit kann ein größerer Innenquerschnitt des turmartigen Bauwerkes durch die Arbeitsbühne abgedeckt werden. Fig. 6 shows a detailed sectional view of the platform according to the Figures 1 - 4 , Here, the scissors-like support arms 5 are extended on the right side. Thus, a larger inner cross section of the tower-like structure can be covered by the platform.

Fig. 7 zeigt einen weiteren detaillierten Querschnitt des turmartigen Bauwerkes mit der Arbeitsbühne gemäß dem ersten Ausführungsbeispiel. Hier ist eine Situation gezeigt, bei der sich die Arbeitsbühne innerhalb eines Beton-Fertigteiles 12 im oberen Bereich des turmartigen Bauwerkes befindet. Der Querschnitt dieses Fertigteiles ist dabei kleiner als der Querschnitt des in Fig. 6 gezeigten Fertigteiles 10. Somit passen sich die scherengitterartigen Tragarme 5 der Arbeitsbühne an den kleiner gewordenen Querschnitt an, wenn die Arbeitsbühne nach oben verfahren wird, indem sie einfahren. Fig. 7 shows a further detailed cross section of the tower-like structure with the work platform according to the first embodiment. Here, a situation is shown in which the platform is located within a precast concrete part 12 in the upper part of the tower-like structure. The cross section of this finished part is smaller than the cross section of in Fig. 6 Thus, the scissors-like support arms 5 of the working platform adapt to the become smaller cross-section, when the platform is moved upwards by retracting.

Somit kann eine Innenbühne bzw. Arbeitsbühne vorgesehen werden, welche im Turm selbst hoch- oder runterklettem kann. Es ist beispielsweise bei einem Turm einer Windenergieanlage nicht mehr nötig, mit einer Winde von der Gondel aus im Korb rauf- oder runterzufahren. Vielmehr wird nunmehr eine Innenbühne vorgesehen, die den Turm vollständig durchsetzen kann, und welche auf einfache Art und Weise dorthin klettern kann, wo gerade Arbeiten auszuführen sind. Ferner kann sie sich durch die Ausgestaltung der scherengitterartigen Tragarme 5 an unterschiedliche Turmquerschnitte anpassen.Thus, an indoor platform or platform can be provided, which can climb up or down in the tower itself. For example, it is no longer necessary for a tower of a wind turbine, with a winch from the gondola in the basket up or drive down. Rather, now an indoor platform is provided, which can fully enforce the tower, and which can climb in a simple manner, where work is currently being carried out. Furthermore, it can be adapted to different tower cross-sections by the design of the safety lattice-like support arms 5.

Sobald die Arbeitsbühne nicht mehr benötigt wird, kann sie eingefahren werden, indem die scherengitterartigen Tragarme zusammengefahren werden. Danach kann die Arbeitsbühne beispielsweise durch eine Tür im Turm einer Windenergieanlage wieder entfernt werden. Vorzugsweise weist die Arbeitsbühne einen zentralen Stab 60 sowie daran angelenkte Scherengitter/Tragarme 5 auf. Auf den Tragarmen 5 werden Platten 7 angeordnet, welche dann die Arbeitsplattform bilden. Unterhalb der Tragarme sind die sogenannten Durchlauf-Winden oder Tirak-Winden 1 vorgesehen. Mit derartigen Tirak- oder Durchlauf-Winden kann die Arbeitsbühne selbst an durch die Winden verlaufenden Seilen hoch- oder runterklettern. Die Seile der Tirak-Winden 1 werden vorzugsweise an Halterungen 3 im Inneren des turmartigen Bauwerkes befestigt, so dass die Tirak-Winden an den Seilen hoch- oder runterlaufen können. Vorzugsweise werden mehrere Tirak-Winden am Umfang der Arbeitsbühne vorgesehen. Zum Hoch- oder Runterfahren müssen die Seile der Tirac-Winden nacheinander von den Halterungen 3 gelöst und an den nächsthöheren oder nächstniedrigeren Halter angebracht werden, je nachdem, ob die Bühne hoch- oder runtergefahren werden soll. Vorzugsweise werden mindestens fünf Tirak-Winden am Umfang der Arbeitsbühne vorgesehen, so dass auch mindestens fünf Seile mit den entsprechenden Halterungen 3 vorgesehen werden.Once the platform is no longer needed, it can be retracted by collapsing the lattice-like brackets. Thereafter, the work platform, for example, be removed by a door in the tower of a wind turbine again. The work platform preferably has a central rod 60 and scissor lattice / support arms 5 hinged thereto. On the support arms 5 plates 7 are arranged, which then form the working platform. Below the support arms, the so-called continuous winches or Tirak winches 1 are provided. With such Tirak or continuous winches, the aerial platform can climb up or down even on ropes running through the winches. The ropes of the Tirak winches 1 are preferably attached to brackets 3 inside the tower-like structure, so that the Tirak winds on the ropes can run up or down. Preferably, several Tirak winches are provided on the circumference of the work platform. To raise or lower the ropes of Tirac winches must be successively released from the brackets 3 and attached to the next higher or next lower holder, depending on whether the stage is to be raised or lowered. Preferably, at least five Tirak winches are provided on the circumference of the work platform, so that at least five ropes are provided with the corresponding brackets 3.

Die Platten 7 der Arbeitsplattform sind vorzugsweise derart ausgestaltet, dass sie sich überlappen, so dass sich die Arbeitsplattform an die unterschiedlichen Querschnitte innerhalb eines turmartigen Bauwerkes anpassen kann.The platforms 7 of the work platform are preferably configured to overlap so that the work platform can accommodate the different cross sections within a tower-like structure.

Dieser Anpassungsvorgang verläuft wie folgt. Da sich die Platten 7 der Arbeitsplattform überlappen und nicht im stumpfen Stoss voreinander liegen, können sie sich relativ zueinander bewegen. Diese Bewegung einer Platte 7 ergibt sich zwangsläufig bei der Betätigung des Scherengitters. Wird das Scherengitter eingefahren, bewegt sich die daran befestigte Platte auf den zentralen Stab zu und umgekehrt.This adjustment process is as follows. Since the plates 7 of the work platform overlap and are not blunt to each other, they can move relative to each other. This movement of a plate 7 inevitably results in the operation of the scissor lattice. When the scissor lattice is retracted, the attached plate moves towards the central rod and vice versa.

Da jede der an einem Tragarm befestigten Platten eine Ausnehmung aufweist, die zu dem zentralen Stab hin ausgerichtet und etwas breiter als dieser ist, führt ein Einfahren eines Tragarms mit der damit einhergehenden Bewegung der entsprechenden Platte 7 nicht zu einer Kollision der Platte 7 mit dem zentralen Stab. Vielmehr bewegt sich die Ausnehmung auf den zentralen Stab zu und nimmt ihn auf. Die Länge der Ausnehmung ist ein Maß dafür, wie weit die Plattform zusammengeschoben bzw. der scherengitterartige Tragarm eingefahren werden kann.Since each of the plates attached to a support arm has a recess which is aligned with the central rod and slightly wider than this, a retraction of a support arm with the associated movement of the leads corresponding plate 7 does not lead to a collision of the plate 7 with the central rod. Rather, the recess moves towards the central rod and picks it up. The length of the recess is a measure of how far pushed together the platform or the scissors-like arm can be retracted.

Eine vereinfachte Darstellung einer Platte 7 ist in Figur 8 gezeigt.A simplified illustration of a plate 7 is shown in FIG FIG. 8 shown.

Die Rollen 6 am Umfang der Arbeitsbühne 50 sind dazu vorgesehen, dass die Arbeitsbühne am Inneren der Turmwand abrollt und nicht dort entlang kratzt.The rollers 6 on the circumference of the working platform 50 are provided so that the working platform rolls on the inside of the tower wall and does not scratch along there.

Durch die in ihrem Querschnitt verstellbare Arbeitsbühne kann eine Arbeitsplattform vorgesehen werden, welche sich an den Querschnitt eines nach oben hin enger werdenden turmartigen Bauwerkes anpasst. Die oben beschriebene Arbeitsbühne erweist sich insbesondere dann als vorteilhaft, wenn bereits eine Gondel einer Windenergieanlage auf dem Turm der Windenergieanlage angeordnet ist und somit keine Möglichkeit mehr besteht, durch einen Kran von oben in das Innere des Turmes der Windenergieanlage zu gelangen. In einem derartigen Fall kann die zusammenfaltbare bzw. auseinandermontierbare Arbeitsbühne durch die Tür im unteren Bereich des Turmes hineingebracht und entsprechend aufgebaut werden, so dass sie sich dann anhand der sich in den Turmsegmenten befindlichen Halter 3 entlang des Turmes hinauf oder hinab bewegen kann.By adjustable in their cross-section platform a working platform can be provided, which adapts to the cross section of an upwardly narrowing tower-like structure. The work platform described above proves to be particularly advantageous if a nacelle of a wind turbine is already arranged on the tower of the wind turbine and thus no longer has the opportunity to reach by a crane from above into the interior of the tower of the wind turbine. In such a case, the collapsible or disassembled working platform can be brought through the door in the lower part of the tower and constructed accordingly, so that they can then move up or down along the tower by means of the holder 3 located in the tower segments.

Claims (5)

  1. A working platform assembly (50) for use in the interior of a tower-like building (100), wherein the working platform assembly has a scissor lattice-like carrier structure, characterised by
    a working platform (7) arranged on the carrier structure,
    wherein the carrier structure has at least three scissor lattice-like carrier arms (5) spaced apart at a uniform arcuate distance,
    a central carrier element to which the scissor lattice-like carrier arms (5) are articulated in radial orientation and at which the scissor lattice-like carrier arms (5) are radially extensible,
    wherein the working platform (7) has a plurality of mutually partially overlapping plates,
    wherein each of the plates has an opening,
    wherein the opening extends from the centre point of the plate in a radial direction towards the central carrier element.
  2. A working platform assembly according to claim 1,
    characterised by a Tirak winch at the peripheral end of each carrier arm.
  3. A working platform assembly according to claim 1 or 2,
    characterised by an actuating element which is arranged about the central carrier element and which acts on the lower scissor lattice bars bearing against the central carrier element and is arranged along the central carrier element.
  4. A working platform assembly according to any one of the preceding claims,
    characterised by a holder for suspension of cables which are secured to the wall in the interior of the tower-like building at predetermined intervals, wherein the cables are passed through the Tirak winches.
  5. A working platform assembly according to claim 4,
    characterised by a transverse member which can be arranged releasably in a tower segment that is to be added, and which cooperates with the actuating element by means of a cable and a winch.
EP06725098A 2005-03-16 2006-03-16 Working platform Not-in-force EP1861564B1 (en)

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EP1861564A1 (en) 2007-12-05
JP4642894B2 (en) 2011-03-02
BRPI0608824B1 (en) 2017-03-14
SI1861564T1 (en) 2010-06-30
ES2343368T3 (en) 2010-07-29
ATE468453T1 (en) 2010-06-15
AU2006224584A1 (en) 2006-09-21
CY1110120T1 (en) 2015-01-14
JP2008533334A (en) 2008-08-21
KR101009519B1 (en) 2011-01-18
KR20100021534A (en) 2010-02-24
AU2006224584B2 (en) 2010-04-01
NO339741B1 (en) 2017-01-30
CN100535361C (en) 2009-09-02
CA2600853C (en) 2011-07-05
NZ561117A (en) 2011-02-25
US20090173577A1 (en) 2009-07-09
PL1861564T3 (en) 2010-11-30
PT1861564E (en) 2010-06-28
WO2006097505A1 (en) 2006-09-21
BRPI0608824A2 (en) 2011-03-15
DE102005012497A1 (en) 2006-09-21
DK1861564T3 (en) 2010-08-09
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CN101137806A (en) 2008-03-05
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