EP1597187A1 - Load-receiving device - Google Patents

Load-receiving device

Info

Publication number
EP1597187A1
EP1597187A1 EP04713861A EP04713861A EP1597187A1 EP 1597187 A1 EP1597187 A1 EP 1597187A1 EP 04713861 A EP04713861 A EP 04713861A EP 04713861 A EP04713861 A EP 04713861A EP 1597187 A1 EP1597187 A1 EP 1597187A1
Authority
EP
European Patent Office
Prior art keywords
load
bearing plate
axis
receiving plate
rotating part
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.)
Granted
Application number
EP04713861A
Other languages
German (de)
French (fr)
Other versions
EP1597187B1 (en
Inventor
Michael Koch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HTS HYDRAULISCHE TRANSPORTSYST
HTS Hydraulische Transportsysteme GmbH
Original Assignee
HTS HYDRAULISCHE TRANSPORTSYST
HTS Hydraulische Transportsysteme GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
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Application filed by HTS HYDRAULISCHE TRANSPORTSYST, HTS Hydraulische Transportsysteme GmbH filed Critical HTS HYDRAULISCHE TRANSPORTSYST
Publication of EP1597187A1 publication Critical patent/EP1597187A1/en
Application granted granted Critical
Publication of EP1597187B1 publication Critical patent/EP1597187B1/en
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Classifications

    • 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 suspension device, in particular an attachment point for the handling of movable components, such as tower segments of a wind turbine, with a load suspension plate extending in a longitudinal axis and having passage points along its two opposite longitudinal sides for the passage of at least one fastening means for fixing the load-bearing plate on the movable component, and with a bow-shaped lifting means provided for engagement with a lifting device, which can be pivoted back and forth in a first axis (pivot axis) and in a second, transverse axis (axis of rotation) relative to the load-bearing plate by means of a rotating part is rotatably mounted, which is connected to the load-bearing plate.
  • a load suspension device in particular an attachment point for the handling of movable components, such as tower segments of a wind turbine, with a load suspension plate extending in a longitudinal axis and having passage points along its two opposite longitudinal sides for the passage of at least one fastening means for fixing the load-be
  • the pivotable holding bracket connected to a rotating part sits as a lifting means for a lifting device, such as a load shackle; Crane hooks or the like, on the front side of the load-bearing plate and therefore in the center on one of its two opposite longitudinal sides of the otherwise substantially cuboid-shaped receiving plate.
  • a lifting device such as a load shackle; Crane hooks or the like
  • connection device for connecting stop or lashing means is known, on objects to be transported or lashed, with a fastener formed by a screw for fastening them to the respective object.
  • ging element with a connecting element for the stop or locking means and with a connecting element connecting the fastening element to the connecting element, rotatable about the longitudinal axis of the fastening element on a two-part bushing which fastens the fastening element over part of its length, the axial position of which on the Socket is secured by ring flanges arranged at opposite ends of the cylindrical socket, the connecting element being supported on the socket in the region of the ring flanges of the socket via a row of rolling elements.
  • the annular lifting means which forms the connecting element, is in all its pivoting positions outside the socket, which is penetrated by a screw means for fixing the connecting device to stop and lashing means.
  • a screw means for fixing the connecting device to stop and lashing means it cannot be ruled out that assembly problems may arise when using the known connecting device in the area of handling tower segments.
  • the invention has for its object to provide a load-bearing device which does not have the disadvantages described above and which can be assembled and removed in particular in a very rapid sequence on the component to be handled and which above all allows it to move and set up the component to be handled, such as a tower segment, in such a way that damage to the component itself is reliably avoided.
  • a load-carrying device with the features of patent claim 1 in its entirety solves this problem.
  • the rotating part is arranged on a transverse side of the load-bearing plate and that in a pivoted position of the lifting means, this within a fictitious If the lengthening of the two long sides of the load-bearing plate extends, in any case the holding bracket with its rotating part, contrary to the prior art, is relocated from the long-side area to the transverse side area of the essentially cuboid-shaped load-bearing plate, with the result that possible collision points between the holding bracket as the lifting means, that on the lifting means even attacking lifting gear and the load to be moved are avoided with certainty.
  • the load-bearing plate has the penetration points in the edge region, two fixing screws serving as fastening means, the screw heads of which can be received in recesses in the load-bearing plate.
  • two fixing screws serving as fastening means, the screw heads of which can be received in recesses in the load-bearing plate.
  • FIG. 2 shows an end side view of the load suspension device according to FIG. 1;
  • the load suspension device has a load suspension plate 16 which extends in a longitudinal axis 14.
  • the load-bearing plate 16 is essentially cuboid and has two mutually opposite longitudinal sides 18, 20 running along the longitudinal axis 14. Furthermore, the two long sides 18, 20 are delimited by four transverse sides 22, 24, 26 and 28 of the rectangular load-bearing plate 16.
  • penetration points 30 are provided in the form of customary bores, which are provided for the penetration of a fastener 32 in the form of a customary hexagon screw.
  • the six Edge screws as fastening means 32 serve to fix the load-bearing plate 16 to the component to be moved and handled, for example in the form of the tower segment 12 (see FIG. 3).
  • the load-bearing plate 16 has a bow-shaped lifting means 34 as a holding bracket for the engagement or engagement of a hoist of a load lifting crane, not shown, for example in the form of a mobile crane or the like.
  • the lifting device in question can be formed from a crane hook but also from a load shackle which is connected to the lifting gear of the crane and which then engages in the holding bracket as lifting means 34. The attachment and movement of loads in this way is common, so that it is not dealt with in more detail here.
  • the holding bracket as a lifting means 34 can be pivoted back and forth in a first axis (swivel axis) 36 and is rotatably mounted in a second, transverse axis (rotating axis) 38 with respect to the load-bearing plate 16 by means of a rotating part 40.
  • first axis tilt axis
  • second, transverse axis rotating axis
  • the pivot axis 36 runs parallel to the longitudinal axis 14 of the load-bearing plate 16 and the said axis of rotation 38 is perpendicular to the pivot axis 36, the fictitious connection point 42 outside the load-bearing plate and above the transverse side 22 of the same is arranged.
  • the hoop-like lifting means 34 can be pivoted back and forth essentially by 180 ° and the lifting means 34 can be rotated through 360 ° about the vertical or rotational axis 38, the rotary adjustment movement in question being in one position due to the lack of a stop Direction can be made.
  • the rotating part 40 is fixedly connected to the load-bearing plate 16 by means of a screw connection 44, the relevant screw connection 44, from the top of the transverse side 22, the load-bearing plate 16 passes through substantially centrally at least partially.
  • a rotary bushing 48 is pivotally mounted there, into which the pivot axis 36 of the lifting means 34 engages at the end, which, moreover, engages through the two free ends of the bow-like lifting means 34 by means of two axle pieces 50.
  • the outer circumference of the rotary bush 48 slightly overlaps the two longitudinal sides 18 and 20 of the load-bearing plate 16.
  • the hoop-like lifting means 34 around the Pivot axis 36 can be freely pivoted such that even with a completely vertical or horizontal arrangement of the tower segment 12 with its outer circumference, there are no collisions in this regard, even if a corresponding hoist, for example in the form of a crane hook, the load shackle of a load harness or the like, is attached to the lifting means 34 should attack. Furthermore, the rotatability about the axis of rotation 38 is retained for the lifting means 34, so that oblique compensation is also possible.
  • the flange part 54 of the tower segment 12 is designed in the manner of a flange ring and has a large number of fixing options in the form of the transverse bores 56, which have a predeterminable radial distance from one another.
  • the relevant geometry can be standardized, so that all essential transport and handling processes can be carried out with a small set of load-bearing plates 16 with two fastening means 32 with different distances.
  • the load suspension device can be designed in the manner of a kit, so that all pending transport and handling operations can be carried out on site with just one kit of components.
  • the load-bearing plate 16 is provided in the edge region with two groove-like depressions 62, in which the eyes robbing heads 64 of the fastening means 32 can be accommodated.
  • the depressions 62 in question can in turn be covered by two cover parts 66 which, by means of screws 68 on the load-bearing plate 16, ensure that the screw heads 64 do not move unintentionally and in this way the safety-relevant screw connection between the load-bearing plate 16 and the flange part 54 could loosen , It has been shown that two load suspension devices at the lower end of each tower segment are sufficient to be able to move it safely, in particular to remove the tower segment from a transporter and to set it up at the location of the wind turbine.

Landscapes

  • 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

Lastaufnahmeeinrichtung Lifting accessory
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 bei- den einander gegenüberliegenden Längsseiten Durchgriffsstellen aufweist für den Durchgriff mindestens eines Befestigungsmittels zum Festlegen der Lastaufnahmeplatte an dem bewegbaren Bauteil, und mit einem bügeiförmigen, 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 suspension device, in particular an attachment point for the handling of movable components, such as tower segments of a wind turbine, with a load suspension plate extending in a longitudinal axis and having passage points along its two opposite longitudinal sides for the passage of at least one fastening means for fixing the load-bearing plate on the movable component, and with a bow-shaped lifting means provided for engagement with a lifting device, which can be pivoted back and forth in a first axis (pivot axis) and in a second, transverse axis (axis of rotation) relative to the load-bearing plate by means of a rotating part is rotatably mounted, which is connected to the load-bearing plate.
Dahingehende Lastaufnahmeeinrichtungen sind in einer Vielzahl von Aus- führungsformen 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 bekann- ten 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 insbe- sondere 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 zu- mindest im Bereich der Schwenkachse des Haltebügels.Such load suspension devices are freely available on the market in a large number of designs. In the known solutions to that end, the pivotable holding bracket connected to a rotating part sits as a lifting means for a lifting device, such as a load shackle; Crane hooks or the like, on the front side of the load-bearing plate and therefore in the center on one of its two opposite longitudinal sides of the otherwise substantially cuboid-shaped receiving plate. With the known Although it is also possible to swivel the retaining bracket back and forth along its pivot axis by 180 ° and around the axis of rotation of the rotating part by an angle of 360 °; In spite of the movement possibilities and degrees of freedom for the holding bracket, there is a collision between the holding bracket and parts of the load to be moved, especially when moving heavy loads, such as those that occur when handling tower segments for the installation of wind turbines, which on the one hand causes damage to the Load itself, or due to the collision mentioned, damaging bending forces are introduced at least in the area of the pivot axis of the retaining bracket.
Um diesem Problem zu begegnen, sind zwar teilweise die Montagetrupps von Windkraftanlagen bereits dazu übergegangen, selbst angefertigte Lastaufnahmeeinrichtungen einzusetzen, beispielsweise in Form von Tragplat- ten, 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.In order to counter this problem, the assembly teams of wind turbines have in some cases already started to use self-made load suspension devices, for example in the form of support plates which are screwed to the ends of the respective tower segment and which handle, in particular set up, by means of welded-on brackets enable the tower segment on site; But even with these solutions, there is often damage to the components to be transported in the form of the tower segment during the rotation from the vertical to the horizontal and during assembly, which can entail considerable repair work. Furthermore, it is often very time-consuming for the assembly teams to attach and remove their special solutions on site on the respective tower segment before it is installed.
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 Befesti- gungselement, mit einem Anschlußelement für das Anschlag- oder Ver- zurrmittel und mit einem das Befestigungselement mit dem Anschlußelement verbindenden, drehbar um die Längsachse des Befestigungselementes auf einer das Befestigungselement auf einem Teil seiner Länge umschlie- ßenden 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 An- Schlußvorrichtung im Bereich der Handhabung von Turmsegmenten.From DE 201 21 121 U1 a connection device for connecting stop or lashing means is known, on objects to be transported or lashed, with a fastener formed by a screw for fastening them to the respective object. ging element, with a connecting element for the stop or locking means and with a connecting element connecting the fastening element to the connecting element, rotatable about the longitudinal axis of the fastening element on a two-part bushing which fastens the fastening element over part of its length, the axial position of which on the Socket is secured by ring flanges arranged at opposite ends of the cylindrical socket, the connecting element being supported on the socket in the region of the ring flanges of the socket via a row of rolling elements. In the known solution, the annular lifting means, which forms the connecting element, is in all its pivoting positions outside the socket, which is penetrated by a screw means for fixing the connecting device to stop and lashing means. Here, too, it cannot be ruled out that assembly problems may arise when using the known connecting device in the area 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 Merkma- len des Patentanspruches 1 in seiner Gesamtheit.Based on this prior art, the invention has for its object to provide a load-bearing device which does not have the disadvantages described above and which can be assembled and removed in particular in a very rapid sequence on the component to be handled and which above all allows it to move and set up the component to be handled, such as a tower segment, in such a way that damage to the component itself is reliably avoided. A load-carrying device with the features of patent claim 1 in its entirety solves this problem.
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 fikti- ven 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 mög- liehe 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 Verlänge- rung 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 rotating part is arranged on a transverse side of the load-bearing plate and that in a pivoted position of the lifting means, this within a fictitious If the lengthening of the two long sides of the load-bearing plate extends, in any case the holding bracket with its rotating part, contrary to the prior art, is relocated from the long-side area to the transverse side area of the essentially cuboid-shaped load-bearing plate, with the result that possible collision points between the holding bracket as the lifting means, that on the lifting means even attacking lifting gear and the load to be moved are avoided with certainty. This also contributes to the fact that the geometric size design ensures that in a swiveled position of the lifting device it runs within a fictitious extension of the two long sides of the load-bearing plate, thus avoiding collision possibilities between the lifting device and the load-bearing plate itself - even under load - with certainty are.
Bei einer bevorzugten Ausführungsform der erfindungsgemäßen Lastauf- nahmeeinrichtung 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 Endflan- sehen 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-bearing device according to the invention, the load-bearing plate has the penetration points in the edge region, two fixing screws serving as fastening means, the screw heads of which can be received in recesses in the load-bearing plate. With this design, a large number of differently dimensioned tower segments with their end flanges can be handled, on the threaded holes of which the load-bearing plate is fixed by means of fastening screws. It is preferably provided that the screw heads of the fastening screws are secured against unintentional loosening by two cover parts which can be firmly connected to parts of the load-bearing plate. This significantly increases assembly security.
Weitere vorteilhafte Ausgestaltungen sind Merkmale der sonstigen Unteransprüche. Im folgenden wird die erfindungsgemäße Lastaufnahmeeinrichtung anhand eines Ausführungsbeispiels nach der Zeichnung näher erläutert. Dabei zeigen in prinzipieller und nicht maßstäblicher Darstellung dieFurther advantageous configurations are features of the other subclaims. The load-bearing device according to the invention is explained in more detail below using an exemplary embodiment as shown in the drawing. In principle and not to scale, show the
Fig.1 eine stirnseitige Ansicht auf die Lastaufnahmeeinrichtung;1 shows an end view of the load suspension device;
Fig.2 eine stirnseitige Seitenansicht auf die Lastaufnahmeeinrichtung nach der Fig.1 ;2 shows an end side view of the load suspension device according to FIG. 1;
Fig.3 teilweise in Ansicht, teilweise im Schnitt die am Ende eines3 partly in view, partly in section at the end of a
Turmsegmentes einer Windkraftanlage festgelegte Lastaufnahmeeinrichtung.Tower segment of a wind turbine defined load-bearing device.
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 erfin- dungsgemäße 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 Sechs- kantschrauben 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).1 shows a front view of the load-bearing device, in particular in the manner of a so-called attachment point 10, for handling movable components, such as tower segments 12 (partially shown in FIG. 3) of a wind power plant (not shown). The load suspension device according to the invention has a load suspension plate 16 which extends in a longitudinal axis 14. The load-bearing plate 16 is essentially cuboid and has two mutually opposite longitudinal sides 18, 20 running along the longitudinal axis 14. Furthermore, the two long sides 18, 20 are delimited by four transverse sides 22, 24, 26 and 28 of the rectangular load-bearing plate 16. In the end area of the respective longitudinal side 18, 20 of the load-bearing plate 16, penetration points 30 are provided in the form of customary bores, which are provided for the penetration of a fastener 32 in the form of a customary hexagon screw. The six Edge screws as fastening means 32 serve to fix the load-bearing plate 16 to the component to be moved and handled, for example in the form of the tower segment 12 (see FIG. 3).
Des weiteren weist die Lastaufnahmeplatte 16 ein bügeiförmiges 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 verbunde- nen 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 (Drehach- se) 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 Dre- heinstellbewegung 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 holding bracket for the engagement or engagement of a hoist of a load lifting crane, not shown, for example in the form of a mobile crane or the like. The lifting device in question can be formed from a crane hook but also from a load shackle which is connected to the lifting gear of the crane and which then engages in the holding bracket as lifting means 34. The attachment and movement of loads in this way is common, so that it is not dealt with in more detail here. The holding bracket as a lifting means 34 can be pivoted back and forth in a first axis (swivel axis) 36 and is rotatably mounted in a second, transverse axis (rotating axis) 38 with respect to the load-bearing plate 16 by means of a rotating part 40. According to the representation according to FIG. 1, in the position of the holding bracket 34 shown there, the pivot axis 36 runs parallel to the longitudinal axis 14 of the load-bearing plate 16 and the said axis of rotation 38 is perpendicular to the pivot axis 36, the fictitious connection point 42 outside the load-bearing plate and above the transverse side 22 of the same is arranged. Thanks to the pivot axis 36, the hoop-like lifting means 34 can be pivoted back and forth essentially by 180 ° and the lifting means 34 can be rotated through 360 ° about the vertical or rotational axis 38, the rotary adjustment movement in question being in one position due to the lack of a stop Direction can be made.
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 ein- greift, 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 Stel- lung 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 Achsrich- tungen (Schwenkachse 36 und Drehachse 38) die Möglichkeit, das bügeiförmige 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 rotating part 40 is fixedly connected to the load-bearing plate 16 by means of a screw connection 44, the relevant screw connection 44, from the top of the transverse side 22, the load-bearing plate 16 passes through substantially centrally at least partially. In the area of the free end of the bolt 46, a rotary bushing 48 is pivotally mounted there, into which the pivot axis 36 of the lifting means 34 engages at the end, which, moreover, engages through the two free ends of the bow-like lifting means 34 by means of two axle pieces 50. As shown in particular in the side view according to FIG. 2, the outer circumference of the rotary bush 48 slightly overlaps the two longitudinal sides 18 and 20 of the load-bearing plate 16. In the position of the bow-like lifting means 34, as seen in the direction of view of FIG. 2, this extends within one fictitious extension 52 of the two longitudinal sides 18, 20 of the load-bearing plate 16. The possible pivoting movement of the retaining bracket 34 about its pivot axis 36 is therefore limited by the upper transverse side 22 of the load-bearing plate 16. Thus, there are two mutually perpendicular axial directions (pivot axis 36 and axis of rotation 38 ) the possibility of freely pivoting the bow-shaped lifting means 34 without collisions with the load-bearing plate 16 to be fixed 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.3, where the tower segment 12 in the form of a tapered hollow segment has at its one free end on the inside a flange part 54 with a transverse bore 56 through which the respective fastening means 32 in the form of the hexagon screw can engage, whereby then the free end of the hexagon screw can be fixed on the flange part 54 via a lock nut 58 with washer 60. In the fixed position shown in FIG. 3, the load-bearing plate 16 then lies flush with its one long side 18 against the lower free end of the flange part 54. It is clear from the illustration according to FIG. 3 that the hoop-like lifting means 34 around the Pivot axis 36 can be freely pivoted such that even with a completely vertical or horizontal arrangement of the tower segment 12 with its outer circumference, there are no collisions in this regard, even if a corresponding hoist, for example in the form of a crane hook, the load shackle of a load harness or the like, is attached to the lifting means 34 should attack. Furthermore, the rotatability about the axis of rotation 38 is retained for the lifting means 34, so that oblique compensation is also 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 Befestigungsmit- teln 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 part 54 of the tower segment 12 is designed in the manner of a flange ring and has a large number of fixing options in the form of the transverse bores 56, which have a predeterminable radial distance from one another. The relevant geometry can be standardized, so that all essential transport and handling processes can be carried out with a small set of load-bearing plates 16 with two fastening means 32 with different distances. In this respect, the load suspension device can be designed in the manner of a kit, so that all pending transport and handling operations can be carried out on site with just one kit of components.
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 Seh rauben köpfe 64 des Befestigungsmittels 32 .aufnehmbar sind. Die dahingehenden Vertiefungen 62 lassen sich wiederum über zwei Ab- deckteile 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. 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. As particularly shown in FIGS. 2 and 3 further show, the load-bearing plate 16 is provided in the edge region with two groove-like depressions 62, in which the eyes robbing heads 64 of the fastening means 32 can be accommodated. The depressions 62 in question can in turn be covered by two cover parts 66 which, by means of screws 68 on the load-bearing plate 16, ensure that the screw heads 64 do not move unintentionally and in this way the safety-relevant screw connection between the load-bearing plate 16 and the flange part 54 could loosen , It has been shown that two load suspension devices at the lower end of each tower segment are sufficient to be able to move it safely, in particular to remove the tower segment from a transporter and to set it up at the location of the wind turbine. Since the load application point of the hoist engages far beyond the connection point 42 of the swivel axis 36 and axis of rotation 38 via the hoop-like lifting means 34 (see FIG. 1), safe transport is achieved without damage to the tower segment or the introduction of harmful forces for the actual load suspension device.

Claims

P a t e n t a n s p r ü c h eP a t e n t a n s r u c h e
. Lastaufnahmeeinrichtung, insbesondere Anschlagpunkt (10) für die Handhabung von bewegbaren Bauteilen, wie beispielsweise von Turm- segmenten (12) einer Windkraftanlage, mit einer sich in einer Längsachse (14) erstreckenden Lastaufnahmeplatte (16), die entlang ihrer beiden einander gegenüberliegenden Längsseiten (18,20) Durchgriffsstellen (30) aufweist für den Durchgriff mindestens eines Befestigungsmittels (32) zum Festlegen der Lastaufnahmeplatte (16) an dem bewegbaren Bauteil, und mit einem bügeiförmigen, für den Eingriff mit einem Hebezeug vorgesehenen Hebemittel (34), das in einer ersten Achse (Schwenkachse 36) hin- und herschwenkbar ist und in einer zweiten, quer dazu verlaufenden Achse (Drehachse 38) gegenüber der Lastaufnahmeplatte (16) mittels eines Drehteils (40) drehbar gelagert ist, das mit der Lastaufnah- meplatte (16) verbunden ist, dadurch gekennzeichnet, dass das Drehteil, Load suspension device, in particular anchoring point (10) for handling movable components, such as tower segments (12) of a wind turbine, with a load suspension plate (16) which extends in a longitudinal axis (14) and which runs along its two opposite longitudinal sides (18 , 20) has penetration points (30) for the penetration of at least one fastening means (32) for fixing the load-bearing plate (16) to the movable component, and with a bow-shaped lifting means (34) provided for engagement with a lifting device, which in a first Axis (pivot axis 36) can be pivoted back and forth and is rotatably mounted in a second axis running transversely thereto (axis of rotation 38) relative to the load-bearing plate (16) by means of a rotating part (40) which is connected to the load-bearing plate (16) , characterized in that the turned part
(40) auf einer Querseite (22) der Lastaufnahmeplatte (16) angeordnet ist und dass in einer Schwenkstellung des Hebemittels (34) dieses innerhalb einer fiktiven Verlängerung (52) der beiden Längsseiten (18,20) der Lastaufnahmeplatte (16) verläuft.(40) is arranged on a transverse side (22) of the load-bearing plate (16) and that in a pivoted position of the lifting means (34) it extends within a fictitious extension (52) of the two long sides (18, 20) of the load-bearing plate (16).
2. Lastaufnahmeeinrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass die Lastaufnahmeplatte (16) im Randbereich die Durchgriffsstellen (30) aufweist und dass als Befestigungsmittel (32) zwei Festlegeschrauben dienen, deren Schraubenköpfe (64) in Vertiefungen (62) der Last- aufnahmeplatte (16) aufnehmbar sind.2. Load bearing device according to claim 1, characterized in that the load bearing plate (16) has the penetration points (30) in the edge region and that two fastening screws serve as fastening means (32), the screw heads (64) of which in recesses (62) of the load bearing plate ( 16) are recordable.
3. Lastaufnahmeeinrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Schraubenköpfe (64) der Festlegeschrauben von zwei Ab- deckteilen (66) gegen unbeabsichtigtes Lösen gesichert sind, die mit Teilen der Lastaufnahmeplatte (16) fest verbindbar sind.3. Load suspension device according to claim 2, characterized in that the screw heads (64) of the fastening screws from two cover parts (66) are secured against unintentional loosening, which can be firmly connected to parts of the load-bearing plate (16).
4. Lastaufnahmeeinrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Lastaufnahmeplatte (16) quaderförmig ausgebildet ist, dass das Drehteil (40) über einen Schraubenabschnitt (46) in der Lastaufnahmeplatte (16) an der Querseite (22) festgelegt ist und dass der drehbare Abschnitt (48) auf dieser Querseite (22) aufsitzt und eine Drehung des Hebemittels (34) um 360° ermöglicht.4. Load bearing device according to one of claims 1 to 3, characterized in that the load bearing plate (16) is cuboid in shape, that the rotating part (40) via a screw portion (46) in the load bearing plate (16) on the transverse side (22) is fixed and that the rotatable section (48) sits on this transverse side (22) and enables the lifting means (34) to be rotated through 360 °.
5. Lastaufnahmeeinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Schwenkbewegung des Hebemittels (34) um seine Schwenkachse (36) begrenzt ist von der Seitenfläche der Querseite (22) der Lastaufnahmeplatte (16).5. Load bearing device according to one of claims 1 to 4, characterized in that the pivoting movement of the lifting means (34) about its pivot axis (36) is limited by the side surface of the transverse side (22) of the load bearing plate (16).
6. Lastaufnahmeeinrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Hebemittel (34) zwei verlängerte Schenkel aufweist, an deren jeweiligem freien Ende die Schwenkachse (36) diese durchgreift, die Teil des Drehteils (40) ist. 6. Load suspension device according to one of claims 1 to 5, characterized in that the lifting means (34) has two elongated legs, at the respective free end of which the pivot axis (36) passes through it, which is part of the rotating part (40).
EP04713861A 2003-02-26 2004-02-24 Load-receiving device Expired - Lifetime EP1597187B1 (en)

Applications Claiming Priority (3)

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DE10309501A DE10309501A1 (en) 2003-02-26 2003-02-26 Lifting accessory
DE10309501 2003-02-26
PCT/EP2004/001780 WO2004076331A1 (en) 2003-02-26 2004-02-24 Load-receiving device

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

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DE (2) DE10309501A1 (en)
DK (1) DK1597187T3 (en)
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US20060055188A1 (en) 2006-03-16
DE502004002621D1 (en) 2007-02-22
ES2261105T3 (en) 2007-08-16
ES2261105T1 (en) 2006-11-16
WO2004076331A1 (en) 2004-09-10
EP1597187B1 (en) 2007-01-10
DE10309501A1 (en) 2004-09-16
DK1597187T3 (en) 2007-05-07

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