EP1597187B1 - Load-receiving device - Google Patents

Load-receiving device Download PDF

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Publication number
EP1597187B1
EP1597187B1 EP04713861A EP04713861A EP1597187B1 EP 1597187 B1 EP1597187 B1 EP 1597187B1 EP 04713861 A EP04713861 A EP 04713861A EP 04713861 A EP04713861 A EP 04713861A EP 1597187 B1 EP1597187 B1 EP 1597187B1
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EP
European Patent Office
Prior art keywords
load
receiving plate
load receiving
axis
receiving device
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EP04713861A
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German (de)
French (fr)
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EP1597187A1 (en
Inventor
Michael Koch
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HTS Hydraulische Transportsysteme GmbH
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HTS Hydraulische Transportsysteme GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/108—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines

Definitions

  • the invention relates to a load-receiving device, in particular attachment point for the handling of movable components, such as tower segments of a wind turbine, with a longitudinal axis extending in a load-carrying plate along its two opposite longitudinal sides vitegriffsstellen for the passage of at least one fastening means for fixing the load-receiving plate on the movable member, and with a bow-shaped, provided for engagement with a hoist lifting means which is in a first axis (pivot axis) back and forth and forth in a second transverse axis (axis of rotation) relative to the load-receiving plate by means of a rotary member is rotatably mounted, which is connected to the load-receiving plate.
  • the load-bearing plate 16 has a bow-shaped lifting means 34 as a retaining bracket for the engagement or engagement of a hoist of a lifting crane, not shown, for example in the form of a mobile crane od.
  • the pertinent hoist can be formed from a crane hook but also from a connected to the load harness of the crane load shackle, which then engages in the headband as lifting means 34.
  • the pertinent beating and moving loads is common, so that will not be discussed here at this point.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Jib Cranes (AREA)
  • Types And Forms Of Lifts (AREA)
  • Support Of The Bearing (AREA)

Abstract

The invention relates to a load-receiving device, particularly a stop point (10) for handling movable parts such as tower segments of a wind power station. Said load-receiving device comprises a load-receiving plate (16) that extends in the direction of a longitudinal axis (14) and is provided with grip-through points (30) which are located along the two opposite longitudinal sides (18) thereof and through which at least one fastening means (32) engages for fixing the load-receiving plate (16) to the movable part. The inventive load-receiving device further comprises a U-shaped hoisting means (34) that engages with a hoisting mechanism and can be swiveled back and forth about a first axis (pivot axis 36) while being mounted so as to be rotatable relative to the load-receiving plate (16) about a second axis (axis of rotation 38) running perpendicular to the first axis (36) by means of a rotating part (40) which is connected to the load-receiving plate (16). The rotating part (40) is disposed on a transversal side (22) of the load-receiving plate (16) while the hoisting means (34) runs within a an imaginary extension of the two longitudinal sides (18) of the load-receiving plate (16) when said hoisting means (34) is in a swiveled position such that as opposed to prior art the retaining bracket with the rotating part thereof is moved from the area of the longitudinal side to the area of the transversal side of the substantially cuboidal load-receiving plate, allowing potential collision points between the retaining bracket used as a hoisting means, the hoisting mechanism gripping the hoisting means, and the load that is to be moved to be definitely avoided.

Description

Die Erfindung betrifft eine Lastaufnahmeeinrichtung, insbesondere Anschlagpunkt für die Handhabung von bewegbaren Bauteilen, wie beispielsweise von Turmsegmenten einer Windkraftanlage, mit einer sich in einer Längsachse erstreckenden Lastaufnahmeplatte, die entlang ihrer beiden einander gegenüberliegenden Längsseiten Durchgriffsstellen aufweist für den Durchgriff mindestens eines Befestigungsmittels zum Festlegen der Lastaufnahmeplatte an dem bewegbaren Bauteil, und mit einem bügelförmigen, für den Eingriff mit einem Hebezeug vorgesehenen Hebemittel, das in einer ersten Achse (Schwenkachse) hin- und herschwenkbar ist und in einer zweiten, quer dazu verlaufenden Achse (Drehachse) gegenüber der Lastaufnahmeplatte mittels eines Drehteils drehbar gelagert ist, das mit der Lastaufnahmeplatte verbunden ist.The invention relates to a load-receiving device, in particular attachment point for the handling of movable components, such as tower segments of a wind turbine, with a longitudinal axis extending in a load-carrying plate along its two opposite longitudinal sides Durchgriffsstellen for the passage of at least one fastening means for fixing the load-receiving plate on the movable member, and with a bow-shaped, provided for engagement with a hoist lifting means which is in a first axis (pivot axis) back and forth and forth in a second transverse axis (axis of rotation) relative to the load-receiving plate by means of a rotary member is rotatably mounted, which is connected to the load-receiving plate.

Dahingehende Lastaufnahmeeinrichtungen sind in einer Vielzahl von Ausführungsformen auf dem Markt frei erhältlich. Bei den dahingehend bekannten Lösungen sitzt der mit einem Drehteil verbundene schwenkbare Haltebügel als Hebemittel für ein Hebezeug, wie einen Lastschäkel; Kranhaken od. dgl., auf der Frontseite der Lastaufnahmeplatte und mithin mittig auf einer ihrer beiden gegenüberliegenden Längsseiten der ansonsten im wesentlichen quaderförmig ausgestalteten Aufnahmeplatte. Mit der bekannten Lösung ist es zwar gleichfalls möglich, den Haltebügel entlang seiner Schwenkachse um 180° hin und her zu schwenken und um die Drehachse des Drehteils um einen Winkel von 360°; trotz der dahingehenden Bewegungsmöglichkeiten und Freiheitsgrade für den Haltebügel kommt es insbesondere beim Bewegen schwerer Lasten, wie sie bei der Handhabung von Turmsegmenten zur Aufstellung von Windkraftanlagen auftreten, zu Kollisionen des Haltebügels mit Teilen der zu bewegenden Last, was zum einen mit Beschädigungen an der Last selbst einhergeht oder es kommt aufgrund der angesprochenen Kollision zur Einleitung schädigender Biegekräfte zumindest im Bereich der Schwenkachse des Haltebügels.These load-bearing devices are freely available in a variety of embodiments in the market. In the solutions known to that effect, the pivotable retaining bracket, which is connected to a rotary part, sits as lifting means for a hoist, such as a load shackle; Crane hook od. Like., On the front side of the load-bearing plate and thus centrally on one of its two opposite longitudinal sides of the otherwise substantially parallelepiped-shaped receiving plate. With the known Although it is also possible solution to swing the headband along its pivot axis by 180 ° back and forth and about the axis of rotation of the rotary member by an angle of 360 °; Despite the pertinent movement possibilities and degrees of freedom for the headband, especially when moving heavy loads, such as occur when handling tower segments for installation of wind turbines, collisions of the retaining bracket with parts of the load to be moved, resulting in damage to the load itself is accompanied or it comes due to the aforementioned collision to initiate damaging bending forces at least in the region of the pivot axis of the retaining clip.

Um diesem Problem zu begegnen, sind zwar teilweise die Montagetrupps von Windkraftanlagen bereits dazu übergegangen, selbst angefertigte Lastaufnahmeeinrichtungen einzusetzen, beispielsweise in Form von Tragplatten, die mit den Enden des jeweiligen Turmsegmentes verschraubt werden und die mittels angeschweißter Bügel die Handhabung, insbesondere das Aufstellen des Turmsegmentes vor Ort ermöglichen; aber auch bei diesen Lösungen kommt es häufig bei der Drehung von der Vertikalen in die Horizontale sowie beim Montieren zu Schäden an den zu transportierenden Bauteilen in Form des Turmsegmentes, die erhebliche Reparatur-Nacharbeiten mit sich bringen können. Ferner ist es für die Montagetrupps häufig sehr zeitaufwendig, ihre dahingehenden Sonderlösungen vor Ort an dem jeweiligen Turmsegment vor dessen Aufstellen anzubringen und wieder zu entfernen.To counteract this problem, although some assembly teams of wind turbines have already begun to use self-made load-bearing devices, for example in the form of support plates, which are bolted to the ends of the respective tower segment and by means of welded bracket handling, especially the erection of the tower segment allow on site; but even with these solutions, it often occurs in the rotation of the vertical to the horizontal and when mounting damage to the components to be transported in the form of the tower segment, which can bring significant repair rework with it. Furthermore, it is often very time-consuming for the assembly crews to install their pertinent special solutions on site at the respective tower segment before setting it up and remove it again.

Durch das DE 201 21 121 U1 ist eine Anschlußvorrichtung zum Anschließen von Anschlag- oder Verzurrmitteln bekannt, an zu transportierenden oder zu verzurrenden Gegenständen mit einem zu ihrer Befestigung am jeweiligen Gegenstand dienenden, von einer Schraube gebildeten Befestigungselement, mit einem Anschlußelement für das Anschlag- oder Verzurrmittel und mit einem das Befestigungselement mit dem Anschlußelement verbindenden, drehbar um die Längsachse des Befestigungselementes auf einer das Befestigungselement auf einem Teil seiner Länge umschließenden zweiteiligen Buchse gelagerten Verbindungselement, dessen Axiallage auf der Buchse durch an sich gegenüberliegende Enden der zylindrischen Buchse angeordnete Ringflansche gesichert ist, wobei sich das Verbindungselement im Bereich der Ringflansche der Buchse über jeweils eine Wälzkörperreihe an der Buchse abstützt. Bei der bekannten Lösung befindet sich das ringförmige Hebemittel, das das Anschlußelement bildet, bei allen seinen Schwenkstellungen außerhalb der Buchse, die von einem Schraubenmittel durchgriffen dem Festlegen der Anschlußvorrichtung an Anschlag- und Verzurrmitteln dient. Auch hier ist nicht auszuschließen, dass es zu Montageproblemen kommen kann beim Einsatz der bekannten Anschlußvorrichtung im Bereich der Handhabung von Turmsegmenten.By DE 201 21 121 U1 a connection device for connecting stop or lashing means is known to be transported or lashed objects with a serving for their attachment to the respective object, formed by a screw fastener, with a connecting element for the stop or lashing and with a fastener to the connecting element connecting, rotatably mounted about the longitudinal axis of the fastener on a fastener on a portion of its length enclosing two-piece socket mounted connecting element whose axial position on the socket by at opposite ends the cylindrical sleeve arranged annular flanges is secured, wherein the connecting element is supported in the region of the annular flanges of the bush via a respective row of rolling elements on the socket. In the known solution is the annular lifting means, which forms the connecting element, at all its pivotal positions outside of the socket, which penetrated by a screw means the setting of the connecting device to stop and lashing means is used. Again, it can not be ruled out that assembly problems can occur when using the known connection device in the field of handling tower segments.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Lastaufnahmeeinrichtung zu schaffen, die die vorstehend beschriebenen Nachteile nicht aufweist und die sich insbesondere in sehr schneller Abfolge an dem zu handhabenden Bauteil montieren und wieder entfernen läßt und die es vor allen Dingen erlaubt, das zu handhabende Bauteil, wie beispielsweise ein Turmsegment, so zu bewegen und aufzustellen, dass Schäden am Bauteil selbst mit Sicherheit vermieden sind. Eine dahingehende Aufgabe löst eine Lastaufnahmeeinrichtung mit den Merkmalen des Patentanspruches 1 in seiner Gesamtheit.Based on this prior art, the present invention seeks to provide a load-bearing device that does not have the disadvantages described above and can be mounted in particular in very fast sequence on the component to be handled and removed again and allows it above all else to move and set up the component to be handled, such as a tower segment, so that damage to the component itself is certainly avoided. This object is achieved by a load receiving device with the features of claim 1 in its entirety.

Dadurch, dass gemäß dem kennzeichnenden Teil des Patentanspruches 1 das Drehteil auf einer Querseite der Lastaufnahmeplatte angeordnet ist und dass in einer Schwenkstellung des Hebemittels dieses innerhalb einer fiktiven Verlängerung der beiden Längsseiten der Lastaufnahmeplatte verläuft, ist jedenfalls der Haltebügel mit seinem Drehteil entgegen dem Stand der Technik vom Längsseitenbereich auf den Querseitenbereich der im wesentlichen quaderförmigen Lastaufnahmeplatte verlegt mit der Folge, dass mögliche Kollisionsstellen zwischen dem Haltebügel als Hebemittel, dem am Hebemittel selbst angreifenden Hebezeug und der zu bewegenden Last mit Sicherheit vermieden sind. Dazu trägt auch mit bei, dass von der geometrischen Größengestaltung jedenfalls sichergestellt wird, dass in einer Schwenkstellung des Hebemittels dieses innerhalb einer fiktiven Verlängerung der beiden Längsseiten der Lastaufnahmeplatte verläuft und so Kollisionsmöglichkeiten zwischen Hebemittel und Lastaufnahmeplatte selbst - auch unter Last - mit Sicherheit vermieden sind.Characterized in that according to the characterizing part of claim 1, the rotary member is arranged on a transverse side of the load-receiving plate and that in a pivoting position of the lifting means this within a fictitious Extension of the two longitudinal sides of the load-bearing plate runs, in any case, the headband with its rotary part contrary to the prior art from the longitudinal side area on the transverse side region of the substantially cuboid load-carrying plate laid with the result that possible collision points between the headband as lifting means, the lifting means acting on the hoist itself and the load to be moved are avoided with certainty. This also contributes to the fact that in any case of the geometric size design ensures that in a pivoting position of the lifting means this runs within a fictitious extension of the two longitudinal sides of the load-carrying plate and collision between the lifting means and load-carrying plate itself - even under load - are avoided with certainty.

Bei einer bevorzugten Ausführungsform der erfindungsgemäßen Lastaufnahmeeinrichtung weist die Lastaufnahmeplatte im Randbereich die Durchgriffsstellen auf, wobei als Befestigungsmittel zwei Festlegeschrauben dienen, deren Schraubenköpfe in Vertiefungen der Lastaufnahmeplatte aufnehmbar sind. Mit der dahingehenden Ausgestaltung läßt sich eine Vielzahl von unterschiedlich dimensionierten Turmsegmenten mit ihren Endflanschen handhaben, an deren Gewindelöcher die Festlegung der Lastaufnahmeplatte über Festlegeschrauben erfolgt. Vorzugsweise ist dabei vorgesehen, dass die Schraubenköpfe der Festlegeschrauben von zwei Abdeckteilen gegen unbeabsichtigtes Lösen gesichert sind, die mit Teilen der Lastaufnahmeplatte fest verbindbar sind. Hierdurch wird die Montagesicherheit deutlich erhöht.In a preferred embodiment of the load receiving device according to the invention, the load-receiving plate in the edge region on the pass-through, serve as fastening means two Festleschrauben whose screw heads are receivable in recesses of the load-receiving plate. With the pertinent embodiment, a variety of different sized tower segments can be handled with their end flanges, at the threaded holes, the determination of the load-bearing plate via fixing screws. Preferably, it is provided that the screw heads of the fixing screws are secured by two cover members against unintentional loosening, which are firmly connected to parts of the load-bearing plate. As a result, the mounting security is significantly increased.

Weitere vorteilhafte Ausgestaltungen sind Merkmale der sonstigen Unteransprüche.Further advantageous embodiments are features of the other dependent claims.

Im folgenden wird die erfindungsgemäße Lastaufnahmeeinrichtung anhand eines Ausführungsbeispiels nach der Zeichnung näher erläutert. Dabei zeigen in prinzipieller und nicht maßstäblicher Darstellung die

Fig.1
eine stirnseitige Ansicht auf die Lastaufnahmeeinrichtung;
Fig.2
eine stirnseitige Seitenansicht auf die Lastaufnahmeeinrichtung nach der Fig.1;
Fig.3
teilweise in Ansicht, teilweise im Schnitt die am Ende eines Turmsegmentes einer Windkraftanlage festgelegte Lastaufnahmeeinrichtung.
In the following the load receiving device according to the invention will be explained with reference to an embodiment of the drawing. This show in principle and not to scale representation of the
Fig.1
an end view of the load receiving device;
Fig.2
a frontal side view of the load receiving device according to Fig.1;
Figure 3
partly in view, partly in section, the load-bearing device fixed at the end of a tower segment of a wind turbine.

Die Fig.1 zeigt in stirnseitiger Ansicht die Lastaufnahmeeinrichtung, insbesondere in der Art eines sog. Anschlagpunktes 10, für die Handhabung von bewegbaren Bauteilen, wie beispielsweise von Turmsegmenten 12 (teilweise dargestellt in Fig.3) einer Windkraftanlage (nicht dargestellt). Die erfindungsgemäße Lastaufnahmeeinrichtung weist eine sich in einer Längsachse 14 erstreckende Lastaufnahmeplatte 16 auf. Die Lastaufnahmeplatte 16 ist im wesentlichen quaderförmig ausgebildet und weist entlang der Längsachse 14 verlaufend zwei einander gegenüberliegende Längsseiten 18,20 auf. Des weiteren sind die beiden Längsseiten 18,20 von vier Querseiten 22,24,26 und 28 der quaderförmigen Lastaufnahmeplatte 16 begrenzt. Im endseitigen Bereich der jeweiligen Längsseite 18,20 der Lastaufnahmeplatte 16 sind Durchgriffsstellen 30 in Form von üblichen Bohrungen vorhanden, die für den Durchgriff jeweils eines Befestigungsmittels 32 in Form einer üblichen Sechskantschraube vorgesehen sind. Die dahingehenden Sechskantschrauben als Befestigungsmittel 32 dienen dem Festlegen der Lastaufnahmeplatte 16 an dem zu bewegenden und zu handhabenden Bauteil, beispielsweise in Form des Turmsegmentes 12 (vgl. Fig.3).FIG. 1 shows an end view of the load suspension device, in particular in the form of a so-called attachment point 10, for handling movable components, such as tower segments 12 (partially shown in FIG. 3) of a wind turbine (not shown). The load-receiving device according to the invention has a load-receiving plate 16 extending in a longitudinal axis 14. The load receiving plate 16 is formed substantially cuboid and has along the longitudinal axis 14 extending two opposite longitudinal sides 18,20. Furthermore, the two longitudinal sides 18,20 of four transverse sides 22,24,26 and 28 of the cuboid load-bearing plate 16 are limited. In the end region of the respective longitudinal side 18,20 of the load-receiving plate 16 Durchgriffsstellen 30 in the form of conventional holes are present, which are provided for the passage of a respective fastening means 32 in the form of a conventional hexagonal screw. The pertinent hexagon screws serve as fastening means 32 for fixing the load-receiving plate 16 to the moving and to be handled component, for example in the form of the tower segment 12 (see Fig. 3).

Des weiteren weist die Lastaufnahmeplatte 16 ein bügelförmiges Hebemittel 34 als Haltebügel für den An- oder Eingriff eines Hebezeuges eines nicht näher dargestellten Lasthebekrans, beispielsweise in Form eines Autokranes od. dgl., auf. Das dahingehende Hebezeug kann aus einem Kranhaken gebildet sein aber auch aus einem mit dem Lastgeschirr des Kranes verbundenen Lastschäkel, der in den Haltebügel als Hebemittel 34 dann eingreift. Das dahingehende Anschlagen und Bewegen von Lasten ist üblich, so dass an dieser Stelle hierauf nicht näher eingegangen wird. Der Haltebügel als Hebemittel 34 ist in einer ersten Achse (Schwenkachse) 36 hin- und herschwenkbar und in einer zweiten, quer dazu verlaufenden Achse (Drehachse) 38 gegenüber der Lastaufnahmeplatte 16 mittels eines Drehteils 40 drehbar gelagert. Gemäß der Darstellung nach der Fig.1 verläuft in der dort gezeigten Stellung des Haltebügels 34 die Schwenkachse 36 parallel zur Längsachse 14 der Lastaufnahmeplatte 16 und die genannte Drehachse 38 steht senkrecht auf der Schwenkachse 36, wobei die dahingehende fiktive Verbindungsstelle 42 außerhalb der Lastaufnahmeplatte und oberhalb der Querseite 22 derselben angeordnet ist. Dank der Schwenkachse 36 kann das bügelartige Hebemittel 34 hin und her im wesentlichen um 180° verschwenkt werden und um die Hoch- oder Drehachse 38 ist eine Verdrehung des Hebemittels 34 um 360° möglich, wobei die dahingehende Dreheinstellbewegung mangels eines Anschlages beliebig in einer Richtung vorgenommen werden kann.Furthermore, the load-bearing plate 16 has a bow-shaped lifting means 34 as a retaining bracket for the engagement or engagement of a hoist of a lifting crane, not shown, for example in the form of a mobile crane od. Like., On. The pertinent hoist can be formed from a crane hook but also from a connected to the load harness of the crane load shackle, which then engages in the headband as lifting means 34. The pertinent beating and moving loads is common, so that will not be discussed here at this point. The headband as a lifting means 34 is in a first axis (pivot axis) 36 back and forth and forth in a second, transverse thereto extending axis (rotation axis) 38 relative to the load-receiving plate 16 rotatably supported by a rotary member 40. As shown in FIG. 1, in the position of the retaining clip 34 shown there, the pivot axis 36 runs parallel to the longitudinal axis 14 of the load-bearing plate 16 and said rotation axis 38 is perpendicular to the pivot axis 36, the pertinent connection point 42 being outside the load-bearing plate and above the transverse side 22 thereof is arranged. Thanks to the pivot axis 36, the bow-like lifting means 34 can be pivoted back and forth substantially by 180 ° and about the up or rotation axis 38 is a rotation of the lifting means 34 by 360 ° possible, the pertinent rotary adjustment made in the absence of a stop any in one direction can be.

Das Drehteil 40 ist mittels einer Schraubverbindung 44 mit der Lastaufnahmeplatte 16 fest verbunden, wobei die dahingehende Schraubverbindung 44 von der Oberseite der Querseite 22 her die Lastaufnahmeplatte 16 im wesentlichen mittig zumindest teilweise durchgreift. Im Bereich des freien Endes des Schraubenbolzens 46 ist dort eine Drehbuchse 48 schwenkbar gelagert, in die die Schwenkachse 36 des Hebemittels 34 endseitig eingreift, die im übrigen mittels zweier Achsstücke 50 die beiden freien Enden des bügelartigen Hebemittels 34 durchgreift. Wie insbesondere die Seitendarstellung nach der Fig.2 zeigt, übergreift der Außenumfang der Drehbuchse 48 geringfügig die beiden Längsseiten 18 und 20 der Lastaufnahmeplatte 16. In der in Blickrichtung auf die Fig.2 gesehen aufgerichteten Stellung des bügelartigen Hebemittels 34 verläuft dieses innerhalb einer fiktiven Verlängerung 52 der beiden Längsseiten 18,20 der Lastaufnahmeplatte 16. Mithin ist die mögliche Schwenkbewegung des Haltebügels 34 um seine Schwenkachse 36 begrenzt von der oberen Querseite 22 der Lastaufnahmeplatte 16. Somit besteht in zwei zueinander senkrechten Achsrichtungen (Schwenkachse 36 und Drehachse 38) die Möglichkeit, das bügelförmige Hebemittel 34 frei zu verschwenken, ohne dass es zu Kollisionen kommt mit der am Turmsegment festzulegenden Lastaufnahmeplatte 16 oder mit dem Turmsegment 12 selbst.The rotary member 40 is fixedly connected by means of a screw 44 with the load-receiving plate 16, wherein the pertinent screw 44 from the top of the transverse side 22 forth the load-receiving plate 16 passes substantially centrally at least partially. In the region of the free end of the bolt 46, a rotary sleeve 48 is pivotally mounted therein, in which the pivot axis 36 of the lifting means 34 engages the end, which passes through the two free ends of the bow-shaped lifting means 34 by the way by means of two axle pieces 50. 2 shows, the outer circumference of the rotary sleeve 48 slightly overlaps the two longitudinal sides 18 and 20 of the load-bearing plate 16. In the position of the bow-shaped lifting means 34 as seen in the viewing direction in FIG. 2, this extends within a notional extension Thus, the possible pivotal movement of the retaining clip 34 about its pivot axis 36 is limited by the upper transverse side 22 of the load-receiving plate 16. Thus, in two mutually perpendicular axial directions (pivot axis 36 and axis of rotation 38) the possibility the bow-shaped lifting means 34 to pivot freely, without causing collisions with the load-bearing plate 16 to be determined on the tower segment or with the tower segment 12 itself.

Die dahingehenden Verhältnisse sind beispielhaft in der Fig.3 wiedergegeben, wo das Turmsegment 12 in Form eines konisch zulaufenden Hohlsegmentes an seinem einen freien Ende innenseitig ein Flanschteil 54 mit Querbohrung 56 aufweist, durch das das jeweilige Befestigungsmittel 32 in Form der Sechskantschraube eingreifen kann, wobei dann das freie Ende der Sechskantschraube über eine Gegenmutter 58 mit Unterlegscheibe 60 am Flanschteil 54 festlegbar ist. In der in der Fig.3 dargestellten festgelegten Position liegt dann die Lastaufnahmeplatte 16 mit ihrer einen Längsseite 18 bündig am unteren freien Ende des Flanschteils 54 an. Aus der Darstellung nach der Fig.3 wird deutlich, dass das bügelartige Hebemittel 34 um die Schwenkachse 36 derart frei schwenkbar ist, dass auch bei einer vollständig senkrechten oder waagerechten Anordnung des Turmsegmentes 12 mit seinem Außenumfang es diesbezüglich nicht zu Kollisionen kommt, auch wenn an dem Hebemittel 34 ein entsprechendes Hebezeug, beispielsweise in Form eines Kranhakens, der Lastschäkel eines Lastgeschirres od. dgl. angreifen sollte. Des weiteren bleibt die Drehbarkeit um die Drehachse 38 für das Hebemittel 34 erhalten, so dass insoweit auch ein Schrägausgleich möglich ist.The pertinent conditions are shown by way of example in Figure 3, where the tower segment 12 in the form of a tapered hollow segment at its one free end inside a flange 54 with transverse bore 56 through which the respective fastener 32 can engage in the form of hexagon screw, wherein then the free end of the hexagon screw via a locknut 58 with washer 60 on the flange 54 can be fixed. In the fixed position shown in Figure 3 then the load-receiving plate 16 is flush with its one longitudinal side 18 at the lower free end of the flange 54. From the illustration of Figure 3 it is clear that the bow-shaped lifting means 34 to the Swivel axis 36 is pivoted freely such that even with a completely vertical or horizontal arrangement of the tower segment 12 with its outer circumference in this regard does not cause collisions, even if od on the lifting means 34, a corresponding hoist, for example in the form of a crane hook, the load shackles of a harness The like should attack. Furthermore, the rotatability about the axis of rotation 38 for the lifting means 34 is maintained, so that in this respect also a skew compensation is possible.

Das Flanschteil 54 des Turmsegmentes 12 ist in der Art eines Flanschringes ausgebildet und weist eine Vielzahl von Festlegemöglichkeiten auf in Form der Querbohrungen 56, die einen vorgebbaren radialen Abstand voneinander aufweisen. Die dahingehende Geometrie ist standardisierbar, so das mit einem geringen Satz an Lastaufnahmeplatten 16 mit zwei Befestigungsmitteln 32 mit unterschiedlichem Abstand sich alle wesentlichen Transport- und Handhabungsvorgänge erledigen lassen. Insofern kann die Lastaufnahmeeinrichtung in der Art eines Bausatzes ausgebildet sein, so dass mit nur einem Bausatz an Komponenten sich alle anstehenden Transport- und Handhabungsvorgänge vor Ort erledigen lassen.The flange portion 54 of the tower segment 12 is formed in the manner of a flange ring and has a plurality of fixing possibilities in the form of the transverse bores 56, which have a predeterminable radial distance from each other. The pertinent geometry can be standardized, so that can be done with a small set of load-bearing plates 16 with two fasteners 32 at different distances all essential transport and handling operations. In this respect, the load-receiving device may be designed in the manner of a kit, so that can be done with only a kit of components all upcoming transport and handling operations on site.

Wie insbesondere die Fig. 2 und 3 des weiteren zeigen, ist die Lastaufnahmeplatte 16 im Randbereich mit zwei nutartigen Vertiefungen 62 versehen, in die die Schraubenköpfe 64 des Befestigungsmittels 32 aufnehmbar sind. Die dahingehenden Vertiefungen 62 lassen sich wiederum über zwei Abdeckteile 66 abdecken, die über Schrauben 68 an der Lastaufnahmeplatte 16 festgelegt dafür Sorge tragen, dass die Schraubenköpfe 64 sich nicht ungewollt bewegen und sich dergestalt die sicherheitsrelevante Schraubverbindung zwischen Lastaufnahmeplatte 16 und Flanschteil 54 lösen könnte.As particularly shown in FIGS. 2 and 3 further show, the load-receiving plate 16 is provided in the edge region with two groove-like recesses 62, in which the screw heads 64 of the fastener 32 are receivable. The indentations 62 can in turn be covered by two cover parts 66, which ensure that the screw heads 64 do not move unintentionally via screws 68 on the load-receiving plate 16 and thus the safety-relevant screw connection between load-receiving plate 16 and flange part 54 could be released.

Es hat sich gezeigt, dass bereits zwei Lastaufnahmeeinrichtungen am unteren Ende eines jeden Turmsegmentes genügen, um dieses sicher bewegen zu können, insbesondere das Turmsegment von einem Transporter zu entnehmen und am Ort der Windkraftanlage aufzustellen. Da der Lastangriffspunkt des Hebezeuges über das bügelartige Hebemittel 34 weit außerhalb der Verbindungsstelle 42 der Schwenkachse 36 und Drehachse 38 angreift (vgl. Fig.1), ist ein sicherer Transport erreicht, ohne dass es zu Beschädigungen am Turmsegment kommt oder zur Einleitung schädlicher Kräfte für die eigentliche Lastaufnahmeeinrichtung.It has been found that already two load-receiving devices at the lower end of each tower segment suffice to be able to move it safely, in particular to remove the tower segment from a van and set it up at the location of the wind power plant. Since the load application point of the hoist on the bow-like lifting means 34 far outside the junction 42 of the pivot axis 36 and rotation axis 38 engages (see Fig.1), a safe transport is achieved without causing damage to the tower segment or to the introduction of harmful forces the actual load receiving device.

Claims (6)

  1. Load receiving device, in particular an abutment point (10) for handling moveable components such as for example tower segments (12) of a wind turbine, with a load receiving plate (16) extending along a longitudinal axis (14), the same comprising engagement passages (30) for engaging at least one fitting means (32) for fitting the load receiving plates (16) to the moveable component along its two opposite longitudinal sides (18, 20), and with an arc-shaped lifting means (34) envisaged for engaging lifting gear, which can be tilted back and forth around a first axis (tilt axis 36), and rotated around a second axis (rotation axis 38) extending transverse to the same in relation to the load receiving plate (16) by means of a rotation part (40) which is connected with the load receiving plate (16), characterised in that the rotation part (40) is located on a transverse side (22) of the load receiving plate (16), and in that the same extends along a fictitious extension (52) of the two longitudinal sides (18, 20) of the load receiving plate (16) in a tilted position of the lifting means (34).
  2. Load receiving device according to Claim 1, characterised in that the load receiving plate (16) comprises the engagement passages (30) in its edge area, and in that the fitting means (32) serves to receive two fitting screws whose screw heads (64) can be received into recesses (62) of the load receiving plate (16).
  3. Load receiving device according to Claim 2, characterised in that the screw heads (64) of the fitting screws are secured against intentional loosening by means of two covering parts (66), which can be firmly connected with parts of the load receiving plate (16).
  4. Load receiving device according to one of the Claims 1 to 3, characterised in that the load receiving plate (16) takes a square-shaped form, in that the rotation part (40) is affixed to the transverse side (22) of the load receiving plate (16) by means of a screw section (46), and in that the rotatable section (48) rests on this transverse side (22) and enables the rotating of the lifting means (34) by 360°.
  5. Load receiving device according to one of the Claims 1 to 4, characterised in that the tilt movement of the lifting means (34) around the tilt axis (36) is limited by the side surface of the transverse side (22) of the load receiving plate (16).
  6. Load receiving device according to one of the Claims 1 to 5, characterised in that the lifting means (34) comprises two extended legs, at the relevant free ends of which the tilt axis (36) projects through the same, and which represents a part of the rotation part (40).
EP04713861A 2003-02-26 2004-02-24 Load-receiving device Expired - Lifetime EP1597187B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10309501 2003-02-26
DE10309501A DE10309501A1 (en) 2003-02-26 2003-02-26 Lifting accessory
PCT/EP2004/001780 WO2004076331A1 (en) 2003-02-26 2004-02-24 Load-receiving device

Publications (2)

Publication Number Publication Date
EP1597187A1 EP1597187A1 (en) 2005-11-23
EP1597187B1 true EP1597187B1 (en) 2007-01-10

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EP04713861A Expired - Lifetime EP1597187B1 (en) 2003-02-26 2004-02-24 Load-receiving device

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US (1) US20060055188A1 (en)
EP (1) EP1597187B1 (en)
DE (2) DE10309501A1 (en)
DK (1) DK1597187T3 (en)
ES (1) ES2261105T3 (en)
WO (1) WO2004076331A1 (en)

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DE102011052994A1 (en) 2011-08-25 2013-02-28 Max Bögl Wind AG Component of a wind turbine with a receptacle for handling the component and support beams for handling components of a wind turbine

Also Published As

Publication number Publication date
DE502004002621D1 (en) 2007-02-22
DE10309501A1 (en) 2004-09-16
ES2261105T3 (en) 2007-08-16
ES2261105T1 (en) 2006-11-16
WO2004076331A1 (en) 2004-09-10
DK1597187T3 (en) 2007-05-07
US20060055188A1 (en) 2006-03-16
EP1597187A1 (en) 2005-11-23

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