EP1506127B1 - Lifting device for containers - Google Patents

Lifting device for containers Download PDF

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Publication number
EP1506127B1
EP1506127B1 EP03807807A EP03807807A EP1506127B1 EP 1506127 B1 EP1506127 B1 EP 1506127B1 EP 03807807 A EP03807807 A EP 03807807A EP 03807807 A EP03807807 A EP 03807807A EP 1506127 B1 EP1506127 B1 EP 1506127B1
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EP
European Patent Office
Prior art keywords
lifting device
lever
container
bars
lever arm
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP03807807A
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German (de)
French (fr)
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EP1506127A1 (en
Inventor
Hermann Franzen
Joachim Kröll
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Demag Cranes and Components GmbH
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Gottwald Port Technology GmbH
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Publication of EP1506127A1 publication Critical patent/EP1506127A1/en
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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
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
    • B66C19/007—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries for containers
    • 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

Definitions

  • ISO containers are loaded by means of handling equipment, in particular by means of straddle carriers, straddle carriers and container movers, which are used for loading and unloading heavy goods vehicles, railway cars, trailers or automated guided vehicles (AGV).
  • the trucks, railway wagons, trailers and driverless transport vehicles are passive transport vehicles, since they can not independently pick up and drop off the containers to be transported, whereas straddle carriers, straddle carriers and container movers are active transport vehicles, i. a container to be transported within the container storage or the container port can also be picked up and set down by these.
  • the drive means comprises at least one hydraulic cylinder with a piston and a piston rod whose longitudinal displacement in a synchronous up and down movement of at least two spaced apart horizontal guide beams, each with the upper ends of the traction means are connected, is implemented, wherein the guide beams are guided at both ends to vertical beams of the support frame.
  • the more cost-effective hydraulic cylinder provides a maintenance-friendly drive for the lifting device, which simultaneously ensures a high load capacity with low space requirements.
  • the leadership of the two ends of the guide beam further reduces the rotation of the free-hanging lifting device relative to the support frame and / or the container. Thus, a torsion-proof and exact alignment of the lifting device is given with respect to the male container.
  • a tilting of the guide beam is prevented when the guide beams are connected on both sides of the middle of the truss each by means of a coupling rod with a lever arm.
  • the container 18 is here at a low height above the stand area.
  • the piston rod 5 of the hydraulic cylinder 4 is retracted, so that the guide beams 10a, 10b and consequently the spreader 17 are in their upper end position.
  • This upper end position is also the transport position for the spreader 17, the lifting device 2 and the container 18.
  • the angle lever 7, 14 protrude - as Figure 1 shows - only slightly above the support frame 3 in the transport position.
  • Figure 4 shows the top view of a lifting device 2.
  • the hydraulic cylinder 4 are articulated with its the piston rod 5 opposite end to the longitudinal members 21 of the support frame 3, which thus serves to support the hydraulic cylinder 4.
  • the longitudinal movement of the piston rod 5 of the hydraulic cylinder 4 displaces the angle lever 7 in a rotational movement, which is converted by means of the coupling rod 9a in a vertical movement of the guide beam 10a.
  • the rotational movement of the angle lever 7 is transmitted by means of the horizontal coupling rod 12 to the angle lever 14, the angle lever 14 in turn converts its rotary motion by means of the coupling rods 9b in a vertical movement of the guide crossbeam 10b.
  • This design ensures a synchronous movement of the guide beams 10a and 10b, which is transmitted via the traction means 16 to the spreader 17 hanging therefrom. This is based on the footprint of the container handling device 1 each moved up and down in parallel.
  • a reeving of the hoist cable 26-29 has been omitted in order to obtain a small size.
  • the achievable lifting height of a maximum of about 0.80 m, preferably 0.50 m is sufficient for a variety of transport tasks.
  • the guide crossbeam 10a is arranged on the pull tabs 11a and the guide crossbeam 10b on the pull tabs 11b.
  • the spreader 17 is also secured by means of the traction means 16 to the guide beams 10a, 10b.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The lifting device (2) for a container (18) has a drive for a haulage means (16) and comprises a hydraulic cylinder (4) with a piston and piston rod (5), the longitudinal displacement of which is converted by rotatable bell-crank levers (7) into a synchronous up and down movement of at least two horizontally spaced apart transverse guide components (10a,10b) each of which are connected to the upper ends of the haulage means, whereby the guide components are guided by both ends on vertical supports of a support frame (3).

Description

Die Erfindung betrifft eine Hubeinrichtung für Container, insbesondere mittels Containerumschlaggeräte umschlagbare ISO-Container, mit einem an einem Tragrahmen angeordneten Antriebsmittel für Zugmittel zum Anheben und Absenken des Containers mittels eines am unteren Ende der Zugmittel angeordneten Lastaufnahmemittels.The invention relates to a lifting device for containers, in particular by means of container handling equipment convertible ISO containers, arranged with a arranged on a support frame drive means for pulling means for raising and lowering of the container by means arranged at the lower end of the traction means load-receiving means.

In Containerhäfen und in Containerlagern werden ISO-Container mittels Umschlaggeräten verladen, insbesondere mittels Portalhubwagen, Straddle Carrier und Container Mover, die zum Be- und Entladen von Lastkraftwagen, Eisenbahnwaggons, Trailern oder auch fahrerlose Transportfahrzeuge (Automated Guided Vehicles, AGV) eingesetzt werden. Die Lastkraftwagen, Eisenbahnwaggons, Trailer und fahrerlosen Transportfahrzeuge sind passive Transportfahrzeuge, da diese die zu transportierenden Container nicht selbstständig aufnehmen und absetzen können, wohingegen Portalhubwagen, Straddle Carrier und Container Mover aktive Transportfahrzeuge sind, d.h. ein innerhalb des Containerlagers oder des Containerhafens zu transportierender Container kann von diesen auch aufgenommen und abgesetzt werden.In container ports and in containerized storage facilities, ISO containers are loaded by means of handling equipment, in particular by means of straddle carriers, straddle carriers and container movers, which are used for loading and unloading heavy goods vehicles, railway cars, trailers or automated guided vehicles (AGV). The trucks, railway wagons, trailers and driverless transport vehicles are passive transport vehicles, since they can not independently pick up and drop off the containers to be transported, whereas straddle carriers, straddle carriers and container movers are active transport vehicles, i. a container to be transported within the container storage or the container port can also be picked up and set down by these.

Es ist bekannt, dass Containerumschlaggeräte an ihrem Fahrzeugrahmen Motoren aufweisen, die eine oder mehrere Seilwinden antreiben. Die Seile der Seilwinden werden über mehrere Umlenkrollen zu vier Befestigungspunkten eines Lastaufnahmemittels in Form eines Spreaders geführt. Mittels des Motors oder der Motoren werden die Seile auf- und abgewickelt und dadurch wird die Hubhöhe des Spreaders verändert. Die Beladung oder Entladung eines passiven Transportfahrzeuges beginnt, indem ein ISO-Container mittels des Spreaders aufgenommen und durch das Aufwickeln der Seile angehoben wird. Das Containerumschlaggerät fährt nun mit dem Container über das Transportfahrzeug und setzt den Container auf dessen Ladefläche ab. Die Entladung eines Transportfahrzeuges erfolgt entsprechend in umgekehrter Reihenfolge. Gleichfalls werden die Containerumschlaggeräte zum Transport von Containern innerhalb des Containerlagers und Containerhafens eingesetzt, wobei der Container während des Transportes angehoben ist.It is known that container handling equipment has on its vehicle frame engines that drive one or more winches. The ropes of the winches are guided over several pulleys to four attachment points of a lifting device in the form of a spreader. By means of the motor or the motors, the ropes are wound up and unwound and thereby the lifting height of the spreader is changed. The loading or unloading of a passive transport vehicle begins by picking up an ISO container by means of the spreader and lifting it by winding the ropes. The container handling device now moves with the container over the transport vehicle and sets the container on the loading area. The unloading of a transport vehicle takes place in the reverse order. Likewise, the container handling equipment is used to transport containers within the container storage and container port, the container being raised during transport.

Eine Hubeinrichtung gemäß des Oberbegriffs aus Anspruch 1 ist aus der DE-A1-3416284 bekannt.A lifting device according to the preamble of claim 1 is known from DE-A1-3416284 known.

Die in den Containerumschlaggeräten verwendeten Seilhubwerke erfordern eine intensive Wartung, die neben hohen Wartungskosten zu langen Ausfallzeiten der Containerumschlaggeräte führen. Gleichzeitig sind die bekannten Seilhubwerke großbauend.The rope hoists used in the container handling equipment require intensive maintenance, which in addition to high maintenance costs lead to long downtimes of container handling equipment. At the same time the known Seilhubwerke are building large.

Die Containerumschlaggeräte dienen zum Beladen von Lastkraftwagen, Eisenbahnwaggons, Trailern oder auch fahrerlosen Transportfahrzeugen, auf denen die Container nicht übereinander gestapelt werden. Folglich sind nur geringe Höhen von 1,2 m bis 3,8 m von diesen zu bewerkstelligen, für die die Seilhubwerke auch kleiner dimensioniert sein könnten.The container handling equipment is used to load trucks, railway cars, trailers or driverless transport vehicles on which the containers are not stacked. Consequently, only small heights of 1.2 m to 3.8 m of these to accomplish, for which the Seilhubwerke could also be smaller in size.

Die Aufgabe der Erfindung ist es daher, eine kleinvolumige Hubeinrichtung für Containerumschlaggeräte für eine relativ kleine zu überbrückende Höhe zu schaffen.The object of the invention is therefore to provide a small-volume lifting device for container handling equipment for a relatively small height to be bridged.

Diese Aufgabe wird durch eine Hubeinrichtung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Hubeinrichtung sind in den Unteransprüchen angegeben.This object is achieved by a lifting device with the features of claim 1. Advantageous embodiments of the lifting device are specified in the subclaims.

Die Lösung sieht vor, dass das Antriebsmittel zumindest einen Hydraulikzylinder mit einem Kolben und einer Kolbenstange umfasst, dessen Längsverschiebung in eine synchrone Auf- und Abbewegung von zumindest zweier voneinander beabstandeter horizontaler Führungstraversen, die jeweils mit den oberen Enden der Zugmittel verbunden sind, umgesetzt wird, wobei die Führungstraversen beidendig an Vertikalträgern des Tragrahmens geführt sind. Der kostengünstigere Hydraulikzylinder stellt dabei einen wartungsfreundlichen Antrieb für die Hubeinrichtung dar, der gleichzeitig eine hohe Tragfähigkeit bei geringem Raumbedarf gewährleistet. Die Führung der beiden Enden der Führungstraverse vermindert weiter das Verdrehen des daran freihängenden Lastaufnahmemittels gegenüber dem Tragrahmen und/oder dem Container. Somit ist eine verdrehsichere und exakte Ausrichtung des Lastaufnahmemittels im Bezug auf den aufzunehmenden Container gegeben.The solution provides that the drive means comprises at least one hydraulic cylinder with a piston and a piston rod whose longitudinal displacement in a synchronous up and down movement of at least two spaced apart horizontal guide beams, each with the upper ends of the traction means are connected, is implemented, wherein the guide beams are guided at both ends to vertical beams of the support frame. The more cost-effective hydraulic cylinder provides a maintenance-friendly drive for the lifting device, which simultaneously ensures a high load capacity with low space requirements. The leadership of the two ends of the guide beam further reduces the rotation of the free-hanging lifting device relative to the support frame and / or the container. Thus, a torsion-proof and exact alignment of the lifting device is given with respect to the male container.

Eine oberhalb des Spreaders flachbauendere Hubeinrichtung wird erzielt, wenn die Kraftübertragung des Hydraulikzylinders und die Längsbewegung der Kolbenstange dabei oberhalb des Containers in die Auf- und Abbewegung umgesetzt wird, die mittels am Tragrahmen drehgelagerter Winkelhebel mit je zwei Hebelarmen erfolgt, wobei ein Hebelarm eines der Winkelhebel mit einer Kolbenstange und der andere Hebelarm dieses Winkelhebels mit einer Führungstraverse verbunden ist.A flat above the spreader lifting device is achieved when the power transmission of the hydraulic cylinder and the longitudinal movement of the piston rod is implemented above the container in the up and down movement, which is carried out by means rotatably mounted on the support frame angle lever with two lever arms, wherein a lever arm of the angle lever with a piston rod and the other lever arm of this angle lever is connected to a guide beam.

Wenn der mit der Kolbenstange verbundene Hebelarm eines Winkelhebels mittels eines stangenförmigen Koppelelements an einem Hebelarm eines weiteren Winkelhebels, dessen anderer Hebelarm mit der anderen Führungstraverse verbunden ist, angelenkt ist, bewegen sich die zugehörigen Zugmittel in vertikaler Richtung synchron zueinander. Gleichfalls ermöglicht die Anwendung der Winkelhebel eine flachbauende Hubeinrichtung.When the lever arm of an angle lever connected to the piston rod is articulated by means of a rod-shaped coupling element to a lever arm of a further angle lever whose other lever arm is connected to the other guide cross, the associated traction means move synchronously in the vertical direction. Likewise, the application of the angle lever allows a flat lifting device.

Eine mechanisch stabile Verbindung ist gegeben, wenn die Führungstraversen jeweils mittels einer Koppelstange mit einem Hebelarm verbunden sind.A mechanically stable connection is given if the guide crossbars are each connected by means of a coupling rod with a lever arm.

Ein Verkanten der Führungstraverse wird verhindert, wenn die Führungstraversen beidseitig der Traversenmitte jeweils mittels einer Koppelstange mit einem Hebelarm verbunden sind.A tilting of the guide beam is prevented when the guide beams are connected on both sides of the middle of the truss each by means of a coupling rod with a lever arm.

Die Umsetzung der Längsverschiebung in die Hub- und Senkbewegung mittels umgelenkter und an einer einzigen Kolbenstange befestigter Hubseile, die am anderen Ende zumindest mittelbar mit den Führungstraversen verbunden sind, wobei die Umlenkung mittels frei drehbarer Umlenkrollen erfolgt, ermöglicht den Einsatz eines wartungsfreundlichen und kostengünstigeren Hydraulikzylinders in einer flach bauenden Weise. Eine zusätzliche Synchronisation der an einer einzigen Kolbenstange befestigten Hubseile ist nicht erforderlich.The implementation of the longitudinal displacement in the lifting and lowering movement by means of deflected and fixed to a single piston rod hoisting ropes, which are at least indirectly connected to the guide beams at the other end, wherein the deflection takes place by means of freely rotatable pulleys, allows the use of a maintenance-friendly and less expensive hydraulic cylinder in a flat-building way. An additional synchronization of the attached to a single piston rod hoisting ropes is not required.

Zweckmäßigerweise erfolgt die Umlenkung der Hubseile in vertikaler Richtung zur jeweiligen Führungstraverse hin jeweils über eine frei drehbare Umlenkrolle.Conveniently, the deflection of the hoisting ropes takes place in the vertical direction to the respective guide beam back respectively over a freely rotatable pulley.

Die Erfindung wird nachfolgend anhand einer Zeichnung beschrieben. Es zeigen:

Figur 1
ein Containerumschlaggerät in der Seitenansicht mit einer Hubeinrichtung mittels Winkelhebel,
Figur 2
ein Containerumschlaggerät in der Vorderansicht einer Hubeinrichtung mittels Winkelhebel,
Figur 3
die Hubeinrichtung für ein Containerumschlaggerät in einer Be-/Entladestellung,
Figur 4
die Hubeinrichtung für ein Containerumschlaggerät in einer Draufsicht,
Figur 5
die Hubeinrichtung für ein Containerumschlaggerät mittels umgelenkter Hubseile und
Figur 6
Detailzeichnungen der Hubeinrichtung mit Hubseilen.
The invention will be described below with reference to a drawing. Show it:
FIG. 1
a container handling device in the side view with a lifting device by means of angle lever,
FIG. 2
a container handling device in the front view of a lifting device by means of angle lever,
FIG. 3
the lifting device for a container handling device in a loading / unloading position,
FIG. 4
the lifting device for a container handling device in a plan view,
FIG. 5
the lifting device for a container handling device by means of deflected hoisting ropes and
FIG. 6
Detailed drawings of the lifting device with hoisting ropes.

Figur 1 zeigt ein Containerumschlaggerät 1 mit einer Hubeinrichtung 2, die einen Tragrahmen 3 aufweist. Am Tragrahmen 3 angelenkt befindet sich ein Hydraulikzylinder 4, dessen Kolbenstange 5 mit einem Hebelarm 6 eines Winkelhebels 7 verbunden ist, der um seine im Scheitel befindliche Drehachse A drehgelagert ist. Der andere Hebelarm 8 ist über eine vertikale Koppelstange 9a mit einer Führungstraverse 10a mittels einer Zuglasche 11a verbunden. Am Hebelarm 6 des Winkelhebels 7 ist eine horizontale Koppelstange 12 angelenkt, die an ihrem anderen Ende mit einem Hebelarm 13 eines zweiten Winkelhebels 14 verbunden ist, der um seine im Scheitel befindliche Drehachse B gleichfalls drehgelagert ist. Der Hebelarm 15 dieses Winkelhebels 14 ist ebenfalls über eine vertikale Koppelstange 9b mit einer Führungstraverse 10b mittels einer Zuglasche 11b verbunden. Die beiden vertikalen Koppelstangen 9a, 9b greifen jeweils an den oberen Enden der zugehörigen Zuglaschen 11a, 11b an, während an den unteren Enden der Zuglaschen 11a, 11b weitere Zugmittel 16 in Form von Ketten angeordnet sind. An den unteren Enden der Ketten befestigt befindet sich als Lastaufnahmemittel der Spreader 17. Die horizontale Lage des Spreaders 17 verläuft parallel zur Standfläche des Containerumschlaggeräts 1.FIG. 1 shows a container handling device 1 with a lifting device 2, which has a supporting frame 3. Linked to the support frame 3 is a hydraulic cylinder 4, the piston rod 5 is connected to a lever arm 6 of an angle lever 7, which is rotatably mounted about its axis of rotation A located in the vertex. The other lever arm 8 is connected via a vertical coupling rod 9a with a guide beam 10a by means of a pull tab 11a. On the lever arm 6 of the angle lever 7, a horizontal coupling rod 12 is articulated, which is connected at its other end with a lever arm 13 of a second angle lever 14, which is also rotatably mounted about its axis of rotation B located in the vertex. The lever arm 15 of this angle lever 14 is also connected via a vertical coupling rod 9b with a guide beam 10b by means of a pull tab 11b. The two vertical coupling rods 9a, 9b respectively engage with the upper ends of the associated pull tabs 11a, 11b, while at the lower ends of the pull tabs 11a, 11b further pulling means 16 are arranged in the form of chains. Attached to the lower ends of the chains is located as a load-receiving means of the spreader 17. The horizontal position of the spreader 17 extends parallel to the base of the container handling device. 1

Der Container 18 befindet sich hierbei in geringer Höhe über der Standfläche. Die Kolbenstange 5 des Hydraulikzylinders 4 ist eingefahren, so dass die Führungstraversen 10a, 10b und folglich der Spreader 17 sich in ihrer oberen Endposition befinden. Diese obere Endposition ist gleichfalls die Transportstellung für den Spreader 17, die Hubeinrichtung 2 und den Container 18. Die Winkelhebel 7, 14 ragen - wie Figur 1 zeigt - in der Transportstellung nur gering über den Tragrahmen 3 hinaus.The container 18 is here at a low height above the stand area. The piston rod 5 of the hydraulic cylinder 4 is retracted, so that the guide beams 10a, 10b and consequently the spreader 17 are in their upper end position. This upper end position is also the transport position for the spreader 17, the lifting device 2 and the container 18. The angle lever 7, 14 protrude - as Figure 1 shows - only slightly above the support frame 3 in the transport position.

Figur 2 zeigt das Containerumschlaggerät 1 in einer Vorderansicht, wobei ein auf dem Boden stehender Container 18 sich in seiner Be-/Entladestellung befindet. Die Hubeinrichtung 2, die Führungstraversen 10a, 10b und der Spreader 17 sind ebenfalls in ihrer Be-/Entladestellung, um den Container 18 aufzunehmen (oder abzuladen). Beidseitig der Traversenmitte angeordnet befinden sich jeweils eine Kette, eine Zuglasche 11a, eine Koppelstange 9a und ein Hebelarm 8 eines Winkelhebels 7. Die Führungstraverse 10a verläuft durch die jeweils gleichzeitige Betätigung der identischen und starr miteinander verbundenen Winkelhebel 7 jeweils parallel zur Standfläche des Containerumschlaggerätes 1. Der Vorderansicht ist entnehmbar, das die Ausführung paarig ausgeführt (Figur 4).FIG. 2 shows the container handling device 1 in a front view, wherein a container 18 standing on the ground is in its loading / unloading position. The lifting device 2, the guide beams 10a, 10b and the spreader 17 are also in their loading / unloading position to receive (or unload) the container 18. Arranged on both sides of the truss center are in each case a chain, a pull tab 11a, a coupling rod 9a and a lever arm 8 of an angle lever 7. The guide cross member 10a extends through the respective simultaneous operation of the identical and rigidly interconnected angle lever 7 parallel to the footprint of the container handling device. The front view is removable, the execution of the pair executed (Figure 4).

Figur 3 zeigt die Hubeinrichtung 2 mit den Winkelhebeln 7 und 14 in der Seitenansicht, ebenfalls in der Be-/Entladestellung. Die Kolbenstange 5 des Hydraulikzylinders 4 ist dazu annähernd vollständig ausgefahren. Der Winkelhebel 7 ist um seine Drehachse A bezogen auf seine Transportstellung entgegen dem Uhrzeigersinn verdreht. Dadurch sind der Hebelarm 8 und die Koppelstange 9a zum Boden hin geneigt, so dass sich die Führungstraverse 10a in der Be-/Entladestellung befindet. Die an dem Hebelarm 6 des Winkelhebels 7 angelenkte horizontale Koppelstange 12 bewirkt, dass der Winkelhebel 14 um seine Drehachse B bezogen auf seine Transportstellung im Uhrzeigersinn verdreht ist. Dadurch sind der Hebelarm 15 und die Koppelstange 9b zum Boden hin geneigt, analog zum Hebelarm 8 und der Koppelstange 9a. Dementsprechend befindet sich die zweite Führungstraverse 10b ebenfalls in der unteren Position, in identischer Höhe zur ersten Führungstraverse 10a. Der an der Führungstraversen 10a und 10b mittels gleich langer Zugmittel 16 befestigte Spreader 17 befindet sich in seiner Be-/Entladeposition parallel zur Standfläche des Containerumschlaggerätes 1.Figure 3 shows the lifting device 2 with the angle levers 7 and 14 in the side view, also in the loading / unloading position. The piston rod 5 of the hydraulic cylinder 4 is almost completely extended. The angle lever 7 is rotated about its axis of rotation A relative to its transport position counterclockwise. As a result, the lever arm 8 and the coupling rod 9a are inclined toward the ground, so that the guide cross-member 10a is in the loading / unloading position. The hinged to the lever arm 6 of the angle lever 7 horizontal coupling rod 12 causes the angle lever 14 is rotated about its axis of rotation B relative to its transport position in a clockwise direction. As a result, the lever arm 15 and the coupling rod 9b inclined to the ground, analogous to the lever arm 8 and the coupling rod 9a. Accordingly, the second is Guide beam 10b also in the lower position, in an identical height to the first guide beam 10a. The spreader 17 fastened to the guide beam 10a and 10b by means of the same length of traction means 16 is parallel to the base of the container handling device 1 in its loading / unloading position.

Das Absenken und Anheben des Spreaders 17 wird durch das Ausfahren und Einfahren der Kolbenstange 5 des Hydraulikzylinders 4 bewirkt. Während des Verfahrens der Kolbenstange 5 verdrehen sich die Winkelhebel 7, 14 synchron, so dass sich beide Führungstraversen 10a, 10b synchron dazu bewegen, was mit einer Vertikalbewegung des Spreaders 17 verbunden ist, wobei dieser jeweils parallel zur Standfläche des Containerumschlaggerätes 1 in einer horizontalen Ebene liegt.The lowering and raising of the spreader 17 is effected by the extension and retraction of the piston rod 5 of the hydraulic cylinder 4. During the process of the piston rod 5, the angle lever 7, 14 rotate synchronously, so that both guide beams 10a, 10b move synchronously, which is associated with a vertical movement of the spreader 17, wherein each of these parallel to the footprint of the container handling device 1 in a horizontal plane lies.

In der Be-/Entladestellung reichen die weit nach unten auskragenden Hebelarme 8, 15 der Winkelhebel 7, 14 in den freien Raum hinein, der sonst während des Transportes eines Containers 18 von diesem ausgefüllt ist.In the loading / unloading the far downwardly projecting lever arms 8, 15 of the angle lever 7, 14 into the free space into it, which is otherwise filled during the transport of a container 18 of this.

Eine an den vertikalen Tragstützen 19 des Tragrahmens 3 angeordnete U-förmige Führungsschiene 20 führt hierbei die Enden der vertikal verschiebbaren Führungstraversen 10a, 10b.A arranged on the vertical support posts 19 of the support frame 3 U-shaped guide rail 20 in this case leads the ends of the vertically displaceable guide beams 10a, 10b.

Die maximale Hublänge der Kolbenstange 5 des Hydraulikzylinders 4 muss dabei nicht dem Abstand zwischen unterster und oberster Endstellung des Spreaders 17 entsprechen. Durch die unterschiedlich langen Hebelarme 6, 8 (und 13, 15) des Winkelhebels 7 (und 14) arbeitet dieser nach Art eines Schwenkgetriebes. Weil die angetriebenen Hebelarme 8, 15 der Winkelhebel 7, 14 länger als die Hebelarme 6, 13 sind, ist der Spreaderhub größer als der zugehörige Hubweg der Kolbenstange 5.The maximum stroke length of the piston rod 5 of the hydraulic cylinder 4 does not have to correspond to the distance between the lowest and highest end position of the spreader 17. Due to the different length lever arms 6, 8 (and 13, 15) of the angle lever 7 (and 14) this works like a pivoting gear. Because the driven lever arms 8, 15 of the angle lever 7, 14 are longer than the lever arms 6, 13, the Spreaderhub is greater than the associated stroke of the piston rod fifth

Figur 4 zeigt die Draufsicht auf eine Hubeinrichtung 2. Die Hydraulikzylinder 4 sind mit ihrem der Kolbenstange 5 gegenüberliegenden Ende an den Längsträgern 21 des Tragrahmens 3 angelenkt, der somit zur Abstützung des Hydraulikzylinders 4 dient.Figure 4 shows the top view of a lifting device 2. The hydraulic cylinder 4 are articulated with its the piston rod 5 opposite end to the longitudinal members 21 of the support frame 3, which thus serves to support the hydraulic cylinder 4.

Die Hubeinrichtung 2, die den Tragrahmen 3, den Hydraulikzylinder 4, die Kolbenstange 5, die Hebelarme 6, 7, 13, 14 der Winkelhebel 7, 14, die vertikalen Kolbenstangen 9a, 9b und die horizontale Koppelstange 12 umfasst, sind symmetrisch zur Symmetrielinie S ausgebildet. Anstelle dieser paarigen, symmetrischen Ausführung des Hydraulikantriebs könnte auch eine einfache Ausführung realisiert sein.The lifting device 2, which includes the support frame 3, the hydraulic cylinder 4, the piston rod 5, the lever arms 6, 7, 13, 14 of the angle lever 7, 14, the vertical piston rods 9 a, 9 b and the horizontal coupling rod 12 are formed symmetrically to the line of symmetry S. Instead of this paired, symmetrical design of the hydraulic drive also a simple design could be realized.

In den beiden Längsträgern 21 des Tragrahmens 3 sind Drehrohre 38, 39 drehgelagert, wobei das Drehrohr 38 um die Drehachse A und das Drehrohr 39 um die Drehachse B drehbar ist. An dem Drehrohr 38 sind beiderseits der Symmetrielinie S zwei identische Winkelhebel 7 befestigt, die durch das Drehrohr 38 starr miteinander verbunden sind. Beide Winkelhebel 7 bewegen sich somit jeweils synchron. Analog sind an dem Drehrohr 39 zwei identische Winkelhebel 14 miteinander verbunden.In the two longitudinal members 21 of the support frame 3, rotary tubes 38, 39 are rotatably mounted, wherein the rotary tube 38 about the rotational axis A and the rotary tube 39 about the rotational axis B is rotatable. On the rotary tube 38, two identical angle lever 7 are attached to both sides of the symmetry line S, which are rigidly connected to each other by the rotary tube 38. Both angle lever 7 thus move synchronously. Analog 39 two identical angle lever 14 are connected to the rotary tube.

Die Längsbewegung der Kolbenstange 5 des Hydraulikzylinders 4 versetzt den Winkelhebel 7 in eine Drehbewegung, die mittels der Koppelstange 9a in eine Vertikalbewegung der Führungstraverse 10a umgesetzt wird. Die Drehbewegung des Winkelhebels 7 wird mittels der horizontalen Koppelstange 12 an den Winkelhebel 14 übertragen, der Winkelhebel 14 seine Drehbewegung wiederum mittels der Koppelstangen 9b in eine Vertikalbewegung der Führungstraverse 10b umsetzt. Diese Ausführung gewährleistet eine synchrone Bewegung der Führungstraversen 10a und 10b, die über die Zugmittel 16 an den daran hängenden Spreader 17 übertragen wird. Dieser wird bezogen auf die Standfläche des Containerumschlaggerätes 1 jeweils parallel auf- und abbewegt.The longitudinal movement of the piston rod 5 of the hydraulic cylinder 4 displaces the angle lever 7 in a rotational movement, which is converted by means of the coupling rod 9a in a vertical movement of the guide beam 10a. The rotational movement of the angle lever 7 is transmitted by means of the horizontal coupling rod 12 to the angle lever 14, the angle lever 14 in turn converts its rotary motion by means of the coupling rods 9b in a vertical movement of the guide crossbeam 10b. This design ensures a synchronous movement of the guide beams 10a and 10b, which is transmitted via the traction means 16 to the spreader 17 hanging therefrom. This is based on the footprint of the container handling device 1 each moved up and down in parallel.

Die beiden Enden der Führungstraversen 10a, 10b sind jeweils in der U-förmigen Führungsschiene 20 geführt. Diese Führung vermindert wesentlich das Verdrehen des freihängenden Spreaders 17 gegenüber dem Tragrahmen 3 und/oder dem Container 18.The two ends of the guide beams 10a, 10b are guided in the U-shaped guide rail 20, respectively. This guide substantially reduces the rotation of the free-hanging spreader 17 relative to the support frame 3 and / or the container 18th

Figur 5 zeigt eine alternative Ausgestaltung der Hubeinrichtung 2 in perspektivischer Sicht von unten. Ein fest mit dem Tragrahmen 3 verbundener Hydraulikzylinder 4 ist dabei unterhalb des Tragrahmens 3 angeordnet. Die Kolbenstange 5 des Hydraulikzylinders 4 ist mit einem in einer Linearführung 23 verfahrbaren Gleitstück 24 verbunden. An dem der Kolbenstange 5 gegenüberliegenden Ende des Gleitstücks 24 sind vier Seilhülsen 25a - 25d befestigt, mit denen vier Hubseile 26, 27, 28, 29 fest verbunden sind. Die vier Seilhülsen 25 sind dabei in einem gedachten Rechteck angeordnet, so dass sich je zwei Hubseile 26, 27 in einer oberen Ebene und je zwei Hubseile 28, 29 in einer unteren Ebene befinden. Die beiden in der oberen Ebene paarweise geführten Hubseile 26, 27 werden über zwei vertikal drehgelagerte Umlenkrollen 30, 31 jeweils zu einer der beiden Ecken des vorderen Tragrahmens 3 hin umgelenkt, von wo aus sie mit Hilfe von zwei weiteren, horizontal drehgelagerten Umlenkrollen 34, 35 in die vertikale Richtung umgelenkt werden. Nicht dargestellt ist, dass die Hubseile 26, 27 an den oberen Enden der Zuglaschen 11a befestigt sind und dort enden. Analog zu den Hubseilen 26, 27 der oberen Ebene werden die Hubseile 28, 29 der unteren Ebene paarweise mittels zweier um vertikale Drehachsen gelagerter Umlenkrollen 32, 33 derart umgelenkt, dass sie jeweils in Richtung einer der beiden Ecken des hinteren Tragrahmens 3 verlaufen. Dort werden die Hubseile 28, 29 mittels zweier Umlenkrollen 36, 37 mit horizontalen Drehachsen in die horizontale Richtung umgelenkt. Ebenfalls nicht dargestellt ist, dass auch die Hubseile 28, 29 an den oberen Enden der Zuglaschen 11 b befestigt sind und dort enden.Figure 5 shows an alternative embodiment of the lifting device 2 in a perspective view from below. A fixedly connected to the support frame 3 hydraulic cylinder 4 is arranged below the support frame 3. The piston rod 5 of the hydraulic cylinder 4 is connected to a slider 24 movable in a linear guide 23. At the opposite end of the piston rod 5 of the slider 24 four cable sleeves 25 a - 25 d are fixed, with which four hoisting ropes 26, 27, 28, 29 are firmly connected. The four cable sleeves 25 are arranged in an imaginary rectangle, so that in each case two hoisting ropes 26, 27 in one upper level and two hoisting ropes 28, 29 are located in a lower level. The two in the upper level in pairs guided hoisting ropes 26, 27 are deflected via two vertically rotatably mounted guide rollers 30, 31 respectively to one of the two corners of the front support frame 3 out, from where they with the help of two further, horizontally rotatably mounted guide rollers 34, 35 be deflected in the vertical direction. It is not shown that the hoisting ropes 26, 27 are attached to the upper ends of the pull tabs 11a and terminate there. Analogous to the hoisting ropes 26, 27 of the upper level, the hoisting ropes 28, 29 of the lower level are deflected in pairs by means of two deflection rollers 32, 33 mounted about vertical axes of rotation such that they respectively extend in the direction of one of the two corners of the rear support frame 3. There, the hoisting ropes 28, 29 deflected by means of two pulleys 36, 37 with horizontal axes of rotation in the horizontal direction. Also not shown is that the hoisting ropes 28, 29 are attached to the upper ends of the pull tabs 11 b and end there.

Bei dieser Ausführungsform ist auf eine Einscherung des Hubseiles 26 - 29 verzichtet worden, um eine geringe Baugröße zu erhalten. Die hiermit erreichbare Hubhöhe von maximal etwa 0,80 m vorzugsweise 0,50 m ist für eine Vielzahl von Transportaufgaben ausreichend.In this embodiment, a reeving of the hoist cable 26-29 has been omitted in order to obtain a small size. The achievable lifting height of a maximum of about 0.80 m, preferably 0.50 m is sufficient for a variety of transport tasks.

Analog zu der in den Figur 1-4 beschriebenen Ausführung ist an den Zuglaschen 11a die Führungstraverse 10a angeordnet und an den Zuglaschen 11b die Führungstraverse 10b. Der Spreader 17 ist gleichfalls mittels der Zugmittel 16 an den Führungstraversen 10a, 10b befestigt.Analogous to the embodiment described in FIGS. 1-4, the guide crossbeam 10a is arranged on the pull tabs 11a and the guide crossbeam 10b on the pull tabs 11b. The spreader 17 is also secured by means of the traction means 16 to the guide beams 10a, 10b.

Die Längsbewegung der Kolbenstange 5 des Hydraulikzylinders 4 wird mittels der umgelenkten Hubseile 26-29 in eine Auf- und Abbewegung der Führungstraverse 10a und 10b und somit des daran anhängenden Spreaders 17 umgesetzt.The longitudinal movement of the piston rod 5 of the hydraulic cylinder 4 is converted by means of the deflected hoisting ropes 26-29 in an up and down movement of the guide beam 10a and 10b and thus of the attached spreader 17.

Der maximale Hub der Kolbenstange 5 entspricht dem Abstand zwischen oberster und unterster Endstellung des Spreaders 17.The maximum stroke of the piston rod 5 corresponds to the distance between the top and bottom end position of the spreader 17th

Figur 6 zeigt eine Detailaufnahme der vier in einer oberen und unteren Ebene angeordneten um horizontale Drehachsen drehbaren Umlenkrollen 30-33 einschließlich der vier Hubseile 26-29, der Seilhülsen 15 und des Gleitstücks 24.FIG. 6 shows a detailed view of the four deflection rollers 30-33, which are arranged in an upper and lower plane and can be rotated about horizontal axes of rotation, including the four hoist ropes 26-29, the cable sleeves 15 and the slider 24.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
ContainerumschlaggerätContainer handling unit
22
Hubeinrichtunglifting device
33
Tragrahmensupporting frame
44
Hydraulikzylinderhydraulic cylinders
55
Kolbenstangepiston rod
66
Hebelarmlever arm
77
Winkelhebelbell crank
88th
Hebelarmlever arm
9a, 9b9a, 9b
vertikale Koppelstangevertical coupling rod
10a, 10b10a, 10b
Führungstraverseguide crossmember
11a, 11b11a, 11b
Zuglaschepull tab
1212
horizontale Koppelstangehorizontal coupling rod
1313
Hebelarmlever arm
1414
Winkelhebelbell crank
1515
Hebelarmlever arm
1616
Zugmitteltraction means
1717
Spreaderspreader
1818
ContainerContainer
1919
Tragstützesupport bracket
2020
Führungsschieneguide rail
2121
Längsträgerlongitudinal beams
2222
Flanschflange
2323
Linearführunglinear guide
2424
Gleitstückslide
25a - 25d25a - 25d
Seilhülsencable sleeves
26 - 2926 - 29
Hubseilhoist rope
30 - 3330 - 33
vertikal drehbar gelagerte Umlenkrollevertically rotatably mounted pulley
34 - 3734 - 37
horizontal drehbar gelagerte Umlenkrollehorizontally rotatably mounted pulley
38, 3938, 39
Drehrohrrotary tube
AA
Drehachse des Winkelhebels 7Rotary axis of the angle lever. 7
BB
Drehachse des Winkelhebels 14Rotary axis of the angle lever 14th
SS
Symmetrielinieline of symmetry

Claims (5)

  1. Lifting device (2) for containers (18), in particular ISO containers (18) which can be handled by means of container handling apparatuses (1), having at least one hydraulic cylinder (4) which is disposed on a support frame (3) and has a piston and a piston rod (5) whose longitudinal displacement is converted into a synchronous raising and lowering movement of at least two mutually spaced apart horizontal guide cross-bars (10a, 10b) which are connected to a load receiving means for the container (18), wherein the guide cross-bars (10a, 10b) are guided on both sides on vertical supports of the support frame (3) in order to raise and lower the container (18), characterised in that
    the longitudinal displacement is converted into the raising and lowering movement by means of angular levers (7) which are mounted in a rotational manner on the support frame (3) and each have two lever arms (6, 8), wherein one lever arm (6) of one of the angular levers (7) is connected to the piston rod (5) and the other lever arm (8) of this angular lever (7) is connected to one of the guide cross-bars (10a, 10b).
  2. Lifting device as claimed in Claim 1, characterised in that the lever arm (6) of the angular lever (7) connected to the piston rod (5) is, by means of a rod-like coupling element (12), articulated on the lever arm (13) of a further angular lever (14), whose other lever arm (15) is connected to the other guide cross-bar (10a, 10b), such that the associated traction means (16) synchronously move with respect to each other in the vertical direction.
  3. Lifting device as claimed in Claim 1 or 2, characterised in that the guide cross-bars (10a, 10b) are each connected to a respective one of the lever arms (8, 15) by means of a coupling rod (9a, 9b).
  4. Lifting device as claimed in any one of Claims 1 to 3, characterised in that the guide cross-bars (10a, 10b) are each connected to a respective one of the lever arms (8, 15) by means of one of the coupling rods (9a, 9b) on both sides of the centre of the cross-bars.
  5. Lifting device as claimed in any one of Claims 1 to 4, characterised in that the load receiving means for the container (18) is suspended in the form of a spreader (17) on the guide cross-bars (10a, 10b) via traction means (16).
EP03807807A 2002-09-13 2003-08-28 Lifting device for containers Expired - Lifetime EP1506127B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10243844 2002-09-13
DE10243844A DE10243844A1 (en) 2002-09-13 2002-09-13 Lifting device for container has drive for haulage means with hydraulic cylinder with piston and piston rod, the longitudinal displacement of which is converted into synchronous up and down movement of transverse guide components
PCT/EP2003/009522 WO2004033357A1 (en) 2002-09-13 2003-08-28 Lifting device for containers

Publications (2)

Publication Number Publication Date
EP1506127A1 EP1506127A1 (en) 2005-02-16
EP1506127B1 true EP1506127B1 (en) 2007-06-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03807807A Expired - Lifetime EP1506127B1 (en) 2002-09-13 2003-08-28 Lifting device for containers

Country Status (11)

Country Link
US (1) US7350840B2 (en)
EP (1) EP1506127B1 (en)
JP (1) JP4109674B2 (en)
KR (1) KR100880190B1 (en)
AT (1) ATE365143T1 (en)
AU (1) AU2003260467A1 (en)
DE (2) DE10243844A1 (en)
DK (1) DK1506127T3 (en)
ES (1) ES2289359T3 (en)
PT (1) PT1506127E (en)
WO (1) WO2004033357A1 (en)

Families Citing this family (8)

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WO2014091057A1 (en) * 2012-12-11 2014-06-19 Cargotec Finland Oy Method, apparatus and computer program for moving a container carrier
DE102014109785A1 (en) * 2014-07-11 2016-01-14 Terex Mhps Gmbh Heavy duty vehicle with a lifting device for lifting and lowering a container
DE102015118535A1 (en) 2015-10-29 2017-05-04 Terex MHPS IP Management GmbH Heavy Forklift
DE102015119193A1 (en) * 2015-11-07 2017-05-11 Terex MHPS IP Management GmbH Battery module for a traction drive and transport vehicle hereby
DE102015121846B4 (en) 2015-12-15 2017-07-27 Terex Mhps Gmbh Transport vehicle for containers
DE102015121804B4 (en) 2015-12-15 2017-07-27 Terex Mhps Gmbh Transport vehicle for containers
JP6519065B2 (en) * 2016-03-29 2019-05-29 株式会社三井Ｅ＆Ｓマシナリー crane
DE102017107141A1 (en) * 2017-04-03 2018-10-04 Konecranes Global Corporation Method for positionally accurate picking up and placing down of a container by a straddle carrier and straddle carrier therefor

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KR100401605B1 (en) 2000-09-14 2003-10-11 현대자동차주식회사 Free link assembly for precise control

Also Published As

Publication number Publication date
PT1506127E (en) 2007-09-07
US20060125258A1 (en) 2006-06-15
EP1506127A1 (en) 2005-02-16
DK1506127T3 (en) 2007-09-24
WO2004033357A1 (en) 2004-04-22
US7350840B2 (en) 2008-04-01
JP2005538013A (en) 2005-12-15
ES2289359T3 (en) 2008-02-01
KR100880190B1 (en) 2009-01-28
AU2003260467A1 (en) 2004-05-04
DE50307520D1 (en) 2007-08-02
JP4109674B2 (en) 2008-07-02
ATE365143T1 (en) 2007-07-15
KR20050057311A (en) 2005-06-16
DE10243844A1 (en) 2004-03-25

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