EP2431302B1 - Transport device - Google Patents

Transport device Download PDF

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Publication number
EP2431302B1
EP2431302B1 EP11007644.5A EP11007644A EP2431302B1 EP 2431302 B1 EP2431302 B1 EP 2431302B1 EP 11007644 A EP11007644 A EP 11007644A EP 2431302 B1 EP2431302 B1 EP 2431302B1
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EP
European Patent Office
Prior art keywords
profile
transport device
base plate
frame profile
wall
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.)
Not-in-force
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EP11007644.5A
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German (de)
French (fr)
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EP2431302A1 (en
Inventor
Ivonne Bartsch
Axel Fink
Jens Bold
Christian Hühne
Jörg NICKEL
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Deutsches Zentrum fuer Luft und Raumfahrt eV
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Deutsches Zentrum fuer Luft und Raumfahrt eV
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Publication of EP2431302A1 publication Critical patent/EP2431302A1/en
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Publication of EP2431302B1 publication Critical patent/EP2431302B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/022—Laminated structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/02—Large containers rigid
    • B65D88/12—Large containers rigid specially adapted for transport
    • B65D88/14—Large containers rigid specially adapted for transport by air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers

Definitions

  • the invention relates to a transport device for transporting goods having a basic structure which comprises at least one frame profile and a base plate arranged in the frame profile.
  • the invention also relates to a use of such a plate according to the invention for this purpose.
  • the US 3,405,835 shows an air freight container, in which the side walls, the lid and the floor are constructed by a lightweight construction.
  • the panels have a Honigwarm Weg, which are covered with an aluminum layer.
  • iron angles are provided, which are glued to the plates, so that the unwound side wall can be inserted into a channel.
  • an air freight pallet in which an integrally formed frame profile is provided, which has a first and a second leg, which are integrally connected to one another via a side web.
  • An air cargo container is also known, in which the side walls can also be connected to each other via angled, integrally formed connection profiles.
  • the bottom plate is fixed to a frame profile.
  • the object is achieved with a transport device of the aforementioned type according to claim 1, characterized in that the bottom plate has at least one upper cover layer and at least one lower cover layer and a core layer arranged between the cover layers.
  • the transport device which may for example be a transport pallet or else a transport container, has a frame profile and a bottom plate arranged thereon, which consists of an upper and a lower cover layer, between which a core layer is embedded.
  • the cover layers are with the core layer bonded.
  • the density of the core material is less than the density of the material of the cover layers, so that due to the lower density of the core layer, the weight of the bottom plate and thus the entire transport device can be drastically reduced.
  • the core has a high pressure stability despite its low density.
  • materials for the cover layers for example, thin aluminum plates of about 1 mm thickness come into question, while the core layer consists of an aluminum foam, which has about 10-15% of the density of the aluminum cover layers.
  • the weight can be reduced.
  • the core layer may consist of foam, honeycomb with or without filling, folded honeycomb or other folded material, balsa wood or the like.
  • the fillings of the honeycombs can have different tasks.
  • Various properties of the core can be improved. Examples include fire protection and moisture absorption.
  • an abrasion-resistant protective coating is applied to the underside of the bottom plate so as not to damage the bottom cover layer of the bottom plate and thus jeopardize the composition.
  • Such an abrasion-resistant protective coating may be, for example, aluminum or a rubber material.
  • Another embodiment of the wear layer consists alternately of two foam layers and two aramid layers. The bottom layer is the aramid layer, so that the pressure forces occurring are better distributed.
  • the bottom plate is arranged in the frame profile.
  • the frame profile has a corresponding groove profile, in which the bottom plate can be received in such a way that it is held by the frame profile.
  • the frame profile is biased and is elastically bent during assembly in order to insert the bottom plate in the frame profile. Subsequently, the bottom plate is held non-positively in the groove profile.
  • the frame profile has a separate upper and a lower profile wall, between which the bottom plate is arranged and which are connected to each other by means of fastening connections or fastening means, such as screws or rivets, so that the bottom plate according to the invention is frictionally held between the profile walls.
  • the frame profile which forms the upper and lower profile walls is not integrally (integrally), which facilitates the assembly of the pallet or freight container.
  • the lower profile wall is formed throughout such that the entire bottom plate is covered.
  • a shock-absorbing profile is arranged at least partially on a circumference of the frame profile, so-called impact damage, as it does may arise during transport or loading and unloading, to avoid on the pallets or on the container.
  • an example elastomeric profile is arranged on the frame, which can absorb a large part of the kinetic energy in such an impact.
  • the bottom plate is curved upwards in the normal state. If the pallet or the container is now loaded with piece goods, the bottom plate becomes flat and thus fits into the corresponding loading space. With the appropriate protrusion against the load direction, the damage to the pallets or containers can be minimized, which regularly occur due to the material deformation and overstressing.
  • FIG. 1 shows the non-inventive transport device 1, which has a frame profile 2 and arranged in the frame profile 2 bottom plate 3.
  • the bottom plate 3 comprises a core layer 5 bounded by an upper cover layer 4a and a lower cover layer 4b.
  • the upper and lower cover view 4a, 4b is advantageously made of aluminum, while the core layer 5 consists of an aluminum foam, which has a significantly lower mass density and thus contributes significantly to the weight reduction.
  • the frame profile can be easily bent outwards to push the bottom plate 3 in the frame section 2. Due to the restoring forces of the frame profile 2, the bottom plate 3 is then held in the frame section 2 frictionally or positively. Further connecting elements are not required in this embodiment then no more, but are quite possible to support.
  • the frame profile thus defines in the region of the receptacle in which the bottom plate 3 is received, a corresponding groove profile, in which the bottom plate 3 can be accommodated.
  • FIG. 2 also shows a transport device 1 according to the invention, in which the frame profile 2, as in FIG. 1 shown, consists of a separate upper profile wall 2a and a lower profile wall 2b.
  • the frame profile 2 and the upper profile wall 2a and the lower profile wall 2b designed such that a shock-absorbing profile 6 is held positively on a circumference of the transport device 1, so that mechanical forces acting on the transport device 1, can be intercepted.
  • a fastening means 7 for example a screw or a rivet
  • the upper profile wall 2a and the lower profile wall 2b are compressed, so that the bottom plate 3, which is arranged between the upper and the lower profile wall, is pressed with these.
  • the bottom plate 3 is thus held positively or positively between the two profile walls 2a and 2b.
  • FIG. 1 shows a frame profile 2, on the upper side of a T-slot anchoring profile 8 (so-called seat tracks) is arranged, which can be used for attachment of possible side walls, anchors or the like.
  • the lower profile wall 2b formed continuously, so that the entire lower portion of the bottom plate 3 is covered by the profile wall 2b to protect the bottom plate 3 from any damage and occurrence of signs of wear.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)

Description

Die Erfindung betrifft eine Transportvorrichtung zum Transportieren von Gütern mit einer Grundstruktur, die zumindest ein Rahmenprofil und eine in dem Rahmenprofil angeordnete Bodenplatte umfasst. Die Erfindung betrifft auch eine Verwendung einer solchen erfindungsgemäßen Platte hierfür.The invention relates to a transport device for transporting goods having a basic structure which comprises at least one frame profile and a base plate arranged in the frame profile. The invention also relates to a use of such a plate according to the invention for this purpose.

Durch den Wegfall von Handelsbeschränkungen und einer immer größer werdenden weltweiten Vernetzung der Handelsbeziehungen sowie aufgrund der Zunahme des individualisierten Warentransportes ist seit Jahren eine starke Zunahme im Bereich des Waren- und Güterverkehrs zu beobachten. Damit einhergehend wachsen nicht nur die logistischen Aufgaben. Mit Blick auf unsere Umwelt und die Verknappung unserer Ressourcen stehen heutige Transportunternehmen in der Verpflichtung, den Güterverkehr nicht nur effizient und kostensparend zu bewerkstelligen, sondern eben auch auf die Nachhaltigkeit unserer Ressourcen zu achten.Due to the abolition of trade restrictions and an ever-growing global network of trade relations as well as the increase in individualized goods transport, a strong increase in the area of goods and freight traffic has been observed for years. Along with this, not only the logistical tasks are growing. In view of our environment and the scarcity of our resources, today's transport companies are committed to not only transport goods efficiently and cost-effectively, but also to ensure the sustainability of our resources.

So bedeuten Gewichtseinsparungen beim Transport durch Verkehrsmittel jeglicher Art immer auch eine Einsparung von Kraftstoff und somit eine Vergrößerung der Reichweite sowie einen umweltschonenderen Transport, da in der Regel weniger CO2 ausgestoßen wird. Insbesondere Frachtcontainer bzw. Frachtpaletten, die aus einem Rahmen und einer massiven Bodenplatte, meist aus Aluminium, bestehen, sind nicht nur schwer, sondern weisen auch keinerlei Pufferung auf, um mechanische Belastungen, wie sie beispielsweise von einem Gabelstapler verursacht werden, ohne Schäden aufzunehmen. Speziell in der Luftfahrt gibt es Beschränkungen hinsichtlich der maximalen Abfluggewichte. Eine Reduzierung des Gewichtes der Transportvorrichtung bedeutet immer auch eine Erhöhung der mitzunehmenden Nutzlast.As always, there is generally less CO 2 is expelled weight savings mean transportation by transport any kind also save fuel and thus increases the range and a more environmentally friendly transport. In particular, freight containers or cargo pallets, which consist of a frame and a solid bottom plate, usually made of aluminum, are not only difficult, but also have no buffering to mechanical loads, such as from a Forklift can be caused without taking damage. Especially in aviation there are restrictions on the maximum take-off weights. A reduction in the weight of the transport device always means an increase in the payload.

Darüber hinaus besteht ein Hauptproblem heutzutage darin, dass die Boden- bzw. Frachtpaletten sich während des Gebrauches durchbiegen und somit unter Umständen nicht mehr in dem Verkehrsmittel, beispielsweise einem Flugzeug, befestigt werden können. Viele Unternehmen sind im Luftfrachtverkehr daher dazu gezwungen, solche Luftfrachtpaletten bzw. Luftfrachtcontainer in einer größeren Anzahl als tatsächlich benötigt vorzuhalten, um die beschädigten Paletten oder Container austauschen zu können.Moreover, a major problem nowadays is that the floor or cargo pallets may bend during use and thus may no longer be secured in the means of transport such as an aircraft. As a result, many air cargo companies are forced to provide such air cargo pallets or air cargo containers in greater numbers than actually needed to replace the damaged pallets or containers.

Die US 3,405,835 zeigt einen Luftfrachtcontainer, bei dem die Seitenwände, der Deckel sowie der Boden mittels einer Leichtbauweise konstruiert sind. Hierzu weisen die Paneele eine Honigwarmstruktur auf, die mit einer Aluminiumschicht bedeckt sind. Damit die einzelnen Seitenwände miteinander verbunden werden können, sind Eisenwinkel vorgesehen, die an den Platten verklebt werden, so dass die abgewickelte Seitenwand in einen Kanal einsteckbar ist.The US 3,405,835 shows an air freight container, in which the side walls, the lid and the floor are constructed by a lightweight construction. For this purpose, the panels have a Honigwarmstruktur, which are covered with an aluminum layer. In order that the individual side walls can be connected to each other, iron angles are provided, which are glued to the plates, so that the unwound side wall can be inserted into a channel.

Aus der DE 43 31 835 A1 wird ebenfalls ein Luftfrachtcontainer offenbart, wobei auch hier Seitenwände mittels Leichtbautechnik konstruiert sind. Auch hier werden einstückig ausgebildete Verbindungsprofile offenbart, um die einzelnen Seitenwände zu halten.From the DE 43 31 835 A1 an air freight container is also disclosed, wherein also side walls are constructed by means of lightweight construction. Again, integrally formed connection profiles are disclosed to hold the individual side walls.

Aus der US 3,552,329 ist eine Luftfrachtpallette offenbart, bei der ein einstückig ausgebildetes Rahmenprofil vorgesehen ist, das einen ersten und einen zweiten Schenkel aufweist, die einstückig über einen Seitensteg miteinander verbunden sind.From the US 3,552,329 an air freight pallet is disclosed in which an integrally formed frame profile is provided, which has a first and a second leg, which are integrally connected to one another via a side web.

Aus der US 3,405,835 ist ein Luftfrachtcontainer aus Aluminium bekannt, dessen Seitenwände eine Leichtbau-Sandwichstruktur aufweisen. Über abgewinkelte Verbindungsprofile, die zumindest an einer Seitenwand fest und unlösbar angeordnet sind, lässt sich der Container zusammen und auseinanderbauen.From the US 3,405,835 is an air cargo container made of aluminum, whose Side walls have a lightweight sandwich structure. About angled connection profiles that are fixed and insoluble at least on one side wall, the container can be together and disassemble.

Aus der DE 43 31 835 A1 ist ebenfalls ein Luftfrachtcontainer bekannt, bei dem die Seitenwände ebenfalls über abgewinkelte, einstückig ausgebildete Verbindungsprofile miteinander verbindbar sind. Die Bodenplatte wird an einem Rahmenprofil fest angeordnet.From the DE 43 31 835 A1 An air cargo container is also known, in which the side walls can also be connected to each other via angled, integrally formed connection profiles. The bottom plate is fixed to a frame profile.

Aus der US 2003/0230589 A1 ist ebenfalls ein Container bekannt, bei dem die Bodenplatten fest an einem Rahmenprofil angeordnet ist. Darüber hinaus ist aus der WO 93/20300 eine Sandwichtstruktur bekannt, die aus einer oberen und einer unteren Wand und einer innen liegenden Verstärkungsstruktur besteht.From the US 2003/0230589 A1 is also known a container in which the bottom plates is fixedly arranged on a frame profile. In addition, from the WO 93/20300 a sandwich structure is known, which consists of an upper and a lower wall and an internal reinforcing structure.

Aufgabetask

Es ist daher Aufgabe der vorliegenden Erfindung eine verbesserte Transportvorrichtung anzugeben, welche die aus dem Stand der Technik genannten Nachteile vermeidet bzw. verringert.It is therefore an object of the present invention to provide an improved transport device which avoids or reduces the disadvantages mentioned in the prior art.

Lösungsolution

Die Aufgabe wird mit einer Transportvorrichtung der eingangs genannten Art gemäß Anspruch 1 dadurch gelöst, dass die Bodenplatte mindestens eine obere Deckschicht und mindestens eine untere Deckschicht und eine zwischen den Deckschichten angeordnete Kernschicht aufweist.The object is achieved with a transport device of the aforementioned type according to claim 1, characterized in that the bottom plate has at least one upper cover layer and at least one lower cover layer and a core layer arranged between the cover layers.

Es wird somit vorgeschlagen, dass die Transportvorrichtung, die beispielsweise eine Transportpalette oder aber auch ein Transportcontainer sein kann, ein Rahmenprofil und eine daran angeordnete Bodenplatte aufweist, die aus einer oberen und einer unteren Deckschicht besteht, zwischen denen eine Kernschicht eingebettet ist. Vorteilhafterweise sind die Deckschichten mit der Kernschicht verklebt. Mit einer solchen zusammengesetzten Aufbauweise der Bodenplatte erhöht sich zwar die Aufbauhöhe, die jedoch aufgrund der Gewichtseinsparung bei erhöhter Festigkeit in Kauf genommen wird. Dabei wurde erkannt, dass die verursachte Reduzierung des Frachtvolumens derart gering ist, dass sie nicht weiter ins Gewicht fällt.It is thus proposed that the transport device, which may for example be a transport pallet or else a transport container, has a frame profile and a bottom plate arranged thereon, which consists of an upper and a lower cover layer, between which a core layer is embedded. Advantageously, the cover layers are with the core layer bonded. With such a composite structure of the bottom plate, although increases the height, but due to the weight savings with increased strength is accepted. It was recognized that the reduction in freight volume caused is so small that it is of no further importance.

Bevorzugterweise ist die Dichte des Kernmaterials geringer als die Dichte des Materials der Deckschichten, so dass aufgrund der geringeren Dichte der Kernschicht das Gewicht der Bodenplatte und somit der gesamten Transportvorrichtung drastisch reduziert werden kann. Der Kern hat trotz seiner geringen Dichte eine hohe Druckstabilität. Als Materialien für die Deckschichten kommen beispielsweise dünne Aluminiumplatten von ca. 1 mm Dicke in Frage, während die Kernschicht aus einem Aluminiumschaum besteht, der ca. 10-15% der Dichte der Aluminiumdeckschichten hat. Somit lässt sich bei erhöhter Steifigkeit - insbesondere Biegesteifigkeit - das Gewicht reduzieren.Preferably, the density of the core material is less than the density of the material of the cover layers, so that due to the lower density of the core layer, the weight of the bottom plate and thus the entire transport device can be drastically reduced. The core has a high pressure stability despite its low density. As materials for the cover layers, for example, thin aluminum plates of about 1 mm thickness come into question, while the core layer consists of an aluminum foam, which has about 10-15% of the density of the aluminum cover layers. Thus, with increased rigidity - in particular bending stiffness - the weight can be reduced.

Für die Deckschichten sind aber auch andere feste Materialien denkbar, wie beispielsweise Faserverbundwerkstoffe. Neben den klassischen Fasern aus Kohlenstoff, Glas oder Aramid und Matrizen aus duroplastischen und thermoplastischen Harzen sind außerdem Bioverbunde denkbar. Sie haben den Vorteil, dass sie recycelbar sind. Die Kernschicht kann aus Schaum, Waben mit oder ohne Füllung, Faltwaben oder sonstiges gefaltetes Material, Balsaholz oder ähnliches bestehen. Die Füllungen der Waben können verschiedene Aufgaben haben. Es können verschiedene Eigenschaften des Kerns verbessert werden. Beispiele hierfür sind Brandschutz und Feuchtigkeitsaufnahme.For the outer layers but also other solid materials are conceivable, such as fiber composites. In addition to the classical fibers made of carbon, glass or aramid and matrices made of thermosetting and thermoplastic resins, bio-composites are also conceivable. They have the advantage that they are recyclable. The core layer may consist of foam, honeycomb with or without filling, folded honeycomb or other folded material, balsa wood or the like. The fillings of the honeycombs can have different tasks. Various properties of the core can be improved. Examples include fire protection and moisture absorption.

Da Luftfrachtpaletten bzw. Luftfrachtcontainer über spezielle Transportförderbänder bzw. Rollmatten geschoben werden, ist es besonders vorteilhaft, wenn an der Unterseite der Bodenplatte eine abriebfeste Schutzbeschichtung angebracht wird, um die untere Deckschicht der Bodenplatte nicht zu beschädigen und somit die Komposition zu gefährden. Eine solche abriebfeste Schutzbeschichtung kann beispielsweise aus Aluminium oder einem Gummimaterial sein. Eine weitere Ausführung der Verschleißschicht besteht abwechselnd aus zwei Schaum- und zwei Aramidschichten. Die unterste Schicht ist dabei die Aramidschicht, so dass die auftretenden Druckkräfte besser verteilt werden. Erfindungsgemäß ist die Bodenplatte in dem Rahmenprofil angeordnet. In einer speziellen Ausführungsform weist das Rahmenprofil ein entsprechendes Nutprofil auf, in das die Bodenplatte derart aufnehmbar ist, dass sie vom Rahmenprofil gehalten wird. Hierfür ist es beispielsweise denkbar, dass das Rahmenprofil vorgespannt ist und beim Zusammensetzen elastisch aufgebogen wird, um die Bodenplatte in das Rahmenprofil einzuschieben. Anschließend wird die Bodenplatte kraftschlüssig in dem Nutprofil gehalten. Dies hat den entscheidenden Vorteil, dass keine weiteren Verbindungselemente notwendig sind, um die Bodenplatte mit dem Rahmenprofil zu verbinden. Andererseits kann bei Beschädigungen die Bodenplatte leicht ausgewechselt werden, was auch an entfernten Orten durch das dortige Personal durchgeführt werden kann. Erfindungsgemäß weist das Rahmenprofil eine separate obere und eine untere Profilwand aufweist, zwischen denen die Bodenplatte angeordnet wird und die mit Hilfe von Befestigungsverbindungen bzw. Befestigungsmitteln, wie beispielsweise Schrauben oder Nieten miteinander verbunden werden, so dass die Bodenplatte erfindungsgemäß zwischen den Profilwänden kraftschlüssig gehalten wird. Dadurch ist erfindungsgemäß das Rahmenprofil, welches die oberen und unteren Profilwände ausbildet, nicht integral (einstückig) aufgebaut was die Montage der Palette bzw. des Frachtcontainers erleichtert.Since air freight pallets or air freight containers are pushed over special transport conveyors or rolling mats, it is particularly advantageous if an abrasion-resistant protective coating is applied to the underside of the bottom plate so as not to damage the bottom cover layer of the bottom plate and thus jeopardize the composition. Such an abrasion-resistant protective coating may be, for example, aluminum or a rubber material. Another embodiment of the wear layer consists alternately of two foam layers and two aramid layers. The bottom layer is the aramid layer, so that the pressure forces occurring are better distributed. According to the invention, the bottom plate is arranged in the frame profile. In a special embodiment, the frame profile has a corresponding groove profile, in which the bottom plate can be received in such a way that it is held by the frame profile. For this purpose, it is conceivable, for example, that the frame profile is biased and is elastically bent during assembly in order to insert the bottom plate in the frame profile. Subsequently, the bottom plate is held non-positively in the groove profile. This has the decisive advantage that no further connecting elements are necessary to connect the bottom plate with the frame profile. On the other hand, in case of damage, the bottom plate can be easily replaced, which can also be done in remote locations by the local staff. According to the invention the frame profile has a separate upper and a lower profile wall, between which the bottom plate is arranged and which are connected to each other by means of fastening connections or fastening means, such as screws or rivets, so that the bottom plate according to the invention is frictionally held between the profile walls. As a result, according to the invention, the frame profile which forms the upper and lower profile walls is not integrally (integrally), which facilitates the assembly of the pallet or freight container.

Um auch hier die Bodenplatte vor Beschädigung zu schützen, ist es ganz besonders vorteilhaft, wenn die untere Profilwand durchgängig derart ausgebildet ist, dass die gesamte Bodenplatte abgedeckt wird.In order to protect the bottom plate against damage here, too, it is particularly advantageous if the lower profile wall is formed throughout such that the entire bottom plate is covered.

Erfindungsgemäß ist an einem Umfang des Rahmenprofils zumindest teilweise ein Stoßdämpfungsprofil angeordnet, um so genannte Impact-Schäden, wie sie beim Transport oder beim Be- und Entladen entstehen können, an den Paletten bzw. an dem Container zu vermeiden. Dazu wird ein beispielsweise elastomeres Profil an dem Rahmen angeordnet, der einen Großteil der kinetischen Energie bei solchen Impacts aufnehmen kann.According to the invention, a shock-absorbing profile is arranged at least partially on a circumference of the frame profile, so-called impact damage, as it does may arise during transport or loading and unloading, to avoid on the pallets or on the container. For this purpose, an example elastomeric profile is arranged on the frame, which can absorb a large part of the kinetic energy in such an impact.

Vorteilhafterweise ist die Bodenplatte im Normalzustand nach oben gewölbt. Wird die Palette bzw. der Container nun mit Stückgut belastet, so wird die Bodenplatte eben und fügt sich somit in den entsprechenden Laderaum ein. Mit der entsprechenden Vorwölbung entgegen der Belastungsrichtung können die Schäden an den Paletten bzw. Containern minimiert werden, die aufgrund der Materialverformung und Überbeanspruchung regelmäßig entstehen.Advantageously, the bottom plate is curved upwards in the normal state. If the pallet or the container is now loaded with piece goods, the bottom plate becomes flat and thus fits into the corresponding loading space. With the appropriate protrusion against the load direction, the damage to the pallets or containers can be minimized, which regularly occur due to the material deformation and overstressing.

Die Erfindung wird anhand der beigefügten Zeichnungen beispielhaft näher erläutert. Es zeigen:

  • Figur 1 - Nicht erfindungsgemäße Transportvorrichtung mit einstückigem Rahmenprofil und
  • Figur 2 - Rahmenprofil mit Stoßdämpfungsprofil.
The invention will be described by way of example with reference to the accompanying drawings. Show it:
  • FIG. 1 - Non-inventive transport device with one-piece frame profile and
  • FIG. 2 - Frame profile with shock absorption profile.

Figur 1 zeigt die nicht erfindungsgemäße Transportvorrichtung 1, die ein Rahmenprofil 2 und eine in dem Rahmenprofil 2 angeordnete Bodenplatte 3 aufweist. Die Bodenplatte 3 umfasst eine Kernschicht 5, die von einer oberen Deckschicht 4a und einer unteren Deckschicht 4b begrenzt wird. Die obere und die untere Decksicht 4a, 4b ist dabei vorteilhafterweise aus Aluminium gefertigt, während die Kernschicht 5 aus einem Aluminiumschaum besteht, der eine erheblich geringere Massedichte aufweist und somit zur Gewichtsreduktion erheblich beiträgt. FIG. 1 shows the non-inventive transport device 1, which has a frame profile 2 and arranged in the frame profile 2 bottom plate 3. The bottom plate 3 comprises a core layer 5 bounded by an upper cover layer 4a and a lower cover layer 4b. The upper and lower cover view 4a, 4b is advantageously made of aluminum, while the core layer 5 consists of an aluminum foam, which has a significantly lower mass density and thus contributes significantly to the weight reduction.

Das Rahmenprofil kann dabei leicht nach außen aufgebogen werden, um die Bodenplatte 3 in dem Rahmenprofil 2 einzuschieben. Aufgrund der Rückstellkräfte des Rahmenprofils 2 wird die Bodenplatte 3 dann in dem Rahmenprofil 2 kraftschlüssig bzw. formschlüssig gehalten. Weitere Verbindungselemente bedarf es in diesem Ausführungsbeispiel dann nicht mehr, sind jedoch zur Unterstützung durchaus denkbar.The frame profile can be easily bent outwards to push the bottom plate 3 in the frame section 2. Due to the restoring forces of the frame profile 2, the bottom plate 3 is then held in the frame section 2 frictionally or positively. Further connecting elements are not required in this embodiment then no more, but are quite possible to support.

Das Rahmenprofil definiert somit im Bereich der Aufnahme, in dem die Bodenplatte 3 aufgenommen wird, ein entsprechendes Nutprofil, in die die Bodenplatte 3 aufgenommen werden kann.The frame profile thus defines in the region of the receptacle in which the bottom plate 3 is received, a corresponding groove profile, in which the bottom plate 3 can be accommodated.

Figur 2 zeigt ebenfalls eine erfindungsgemäße Transportvorrichtung 1, bei der das Rahmenprofil 2, wie in Figur 1 gezeigt, aus einer separaten oberen Profilwand 2a und einer unteren Profilwand 2b besteht. Darüber hinaus ist das Rahmenprofil 2 bzw. die obere Profilwand 2a bzw. die untere Profilwand 2b derart ausgebildet, dass ein Stoßdämpfungsprofil 6 formschlüssig an einem Umfang der Transportvorrichtung 1 gehalten wird, so dass mechanische Kräfte, die auf die Transportvorrichtung 1 wirken, abgefangen werden können. Mit Hilfe eines Befestigungsmittels 7, beispielsweise eine Schraube oder eine Niete, wird die obere Profilwand 2a und die untere Profilwand 2b zusammengedrückt, so dass die Bodenplatte 3, die zwischen der oberen und der unteren Profilwand angeordnet ist, mit diesen verpresst wird. Die Bodenplatte 3 wird somit zwischen den beiden Profilwänden 2a und 2b kraftschlüssig bzw. formschlüssig gehalten. FIG. 2 also shows a transport device 1 according to the invention, in which the frame profile 2, as in FIG. 1 shown, consists of a separate upper profile wall 2a and a lower profile wall 2b. In addition, the frame profile 2 and the upper profile wall 2a and the lower profile wall 2b designed such that a shock-absorbing profile 6 is held positively on a circumference of the transport device 1, so that mechanical forces acting on the transport device 1, can be intercepted. By means of a fastening means 7, for example a screw or a rivet, the upper profile wall 2a and the lower profile wall 2b are compressed, so that the bottom plate 3, which is arranged between the upper and the lower profile wall, is pressed with these. The bottom plate 3 is thus held positively or positively between the two profile walls 2a and 2b.

Sowohl Figur 1 als auch Figur 2 zeigt ein Rahmenprofil 2, an dessen oberer Seite ein T-Nuten-Verankerungsprofil 8 (so genannte Seat Tracks) angeordnet ist, das zur Befestigung von möglichen Seitenwänden, Verankerungen oder ähnlichem eingesetzt werden kann. Darüber hinaus ist in Figur 2 die untere Profilwand 2b durchgängig ausgebildet, so dass der gesamte untere Bereich der Bodenplatte 3 von der Profilwand 2b abgedeckt wird, um die Bodenplatte 3 vor eventuellen Beschädigungen und Auftreten von Verschleißerscheinungen zu schützen.Either FIG. 1 as well as FIG. 2 shows a frame profile 2, on the upper side of a T-slot anchoring profile 8 (so-called seat tracks) is arranged, which can be used for attachment of possible side walls, anchors or the like. In addition, in FIG. 2 the lower profile wall 2b formed continuously, so that the entire lower portion of the bottom plate 3 is covered by the profile wall 2b to protect the bottom plate 3 from any damage and occurrence of signs of wear.

Claims (9)

  1. Transport device (1) for transporting goods, with a basic structure which comprises at least one frame profile (2) and a base plate (3) arranged in the frame profile (2), wherein the base plate (3) has at least one upper outer layer (4a) and at least one lower outer layer (4b) and a core layer (5) arranged between the outer layers (4a, 4b), wherein the frame profile (2) has a separate upper profile wall (2a) and a lower profile wall (2b), wherein the frame profile is not of a one-piece construction, wherein the base plate (3) is arranged between the upper profile wall and the lower profile wall, characterized in that the upper profile wall and the lower profile wall are connected by fastening means (7) in such a way that the base plate (3) is held between the profile walls (2a, 2b) in a frictionally engaging manner, wherein a shock absorbing profile (6), which is held by the upper profile wall and the lower profile wall, is arranged at least partially on the periphery of the frame profile (2).
  2. Transport device (1) according to Claim 1, characterized in that the transport device (1) is a freight container, in particular an airfreight container or an airfreight pallet.
  3. Transport device (1) according to one of the preceding claims, characterized in that the density of the core material is less than the density of the material of the outer layers (4a, 4b).
  4. Transport device (1) according to one of the preceding claims, characterized in that an abrasion-resistant protective covering, in particular of aluminium, is arranged on an outer side of at least one of the outer layers (4a, 4b).
  5. Transport device (1) according to Claim 4, characterized in that the abrasion-resistant protective covering consists of at least one foam layer and at least one aramid layer.
  6. Transport device (1) according to one of the preceding claims, characterized in that the frame profile (2) has a groove profile, in which the base plate (3) can be received in such a way that the base plate (3) is held, in particular releasably, by the frame profile (2).
  7. Transport device (1) according to one of the preceding claims, characterized in that the lower profile wall (2b) is formed continuously.
  8. Transport device according to one of the preceding claims, characterized in that in the unloaded state the base plate (3) is arched counter to the direction of loading.
  9. Transport device according to one of the preceding claims, characterized in that the outer layers are adhesively bonded to the core layer.
EP11007644.5A 2010-09-20 2011-09-20 Transport device Not-in-force EP2431302B1 (en)

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DE102010049776B4 (en) 2010-10-29 2015-09-24 Deutsches Zentrum für Luft- und Raumfahrt e.V. baseplate
DE202012012860U1 (en) 2012-09-10 2014-02-06 Deutsches Zentrum für Luft- und Raumfahrt e.V. ULD
NL2010999C2 (en) * 2013-06-18 2014-12-22 Driessen Air Cargo Equipment B V Airfreight pallet, method for manufacturing an airfreight pallet.
DE102014107357A1 (en) * 2014-03-12 2015-09-17 Telair International Gmbh Base plate and floor element for a cargo pallet and / or a freight container and method for producing a corresponding base plate and a corresponding floor element
DE102016112310A1 (en) 2016-07-05 2017-08-17 Ostfalia Hochschule Für Angewandte Wissenschaften - Hochschule Braunschweig/Wolfenbüttel Loading floor for a vehicle and vehicle with the loading floor
CN112499008A (en) * 2020-12-08 2021-03-16 中核武汉核电运行技术股份有限公司 Transport device for nuclear reactor pressure vessel inspection devices

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GB2267101B (en) * 1992-03-30 1995-10-11 Ljubomir Gnjatovic Reinforced wall structure
DE4331835C2 (en) * 1993-09-20 1995-11-23 Daimler Benz Aerospace Ag Air freight container
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DE102006006511A1 (en) * 2006-02-10 2007-08-16 Acep - Advanced Composites Engineering + Production Gmbh Freight carriers, in particular airfreight carriers
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DE202009000784U1 (en) * 2009-01-20 2010-06-17 Wecon Gmbh Nutzfahrzeuge-Container-Technik Vehicle loading floor with pre-bent base plate

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DE102010045808A1 (en) 2012-03-22

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