EP2718202A1 - Contenant de fret destiné en particulier au chargement des avions, et procédé de fabrication d'un tel contenant de fret - Google Patents

Contenant de fret destiné en particulier au chargement des avions, et procédé de fabrication d'un tel contenant de fret

Info

Publication number
EP2718202A1
EP2718202A1 EP12725818.4A EP12725818A EP2718202A1 EP 2718202 A1 EP2718202 A1 EP 2718202A1 EP 12725818 A EP12725818 A EP 12725818A EP 2718202 A1 EP2718202 A1 EP 2718202A1
Authority
EP
European Patent Office
Prior art keywords
profile
receiving device
corner
cargo receiving
profile element
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
EP12725818.4A
Other languages
German (de)
English (en)
Other versions
EP2718202B1 (fr
Inventor
Thomas Huber
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.)
Telair International GmbH
Original Assignee
Telair International 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
Priority claimed from DE102011050893.7A external-priority patent/DE102011050893B4/de
Priority claimed from PCT/EP2011/003114 external-priority patent/WO2012175099A1/fr
Application filed by Telair International GmbH filed Critical Telair International GmbH
Priority to EP17154606.2A priority Critical patent/EP3181486A3/fr
Priority to EP12725818.4A priority patent/EP2718202B1/fr
Priority claimed from PCT/EP2012/060724 external-priority patent/WO2012168314A1/fr
Publication of EP2718202A1 publication Critical patent/EP2718202A1/fr
Application granted granted Critical
Publication of EP2718202B1 publication Critical patent/EP2718202B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B65D90/02—Wall construction
    • B65D90/08—Interconnections of wall parts; Sealing means therefor

Definitions

  • Cargo receiving device in particular for loading aircraft and method for producing a cargo receiving device
  • the present invention relates to a cargo receiving device, such as containers, pallets or the like, in particular for loading aircraft and a method for producing a cargo receiving device
  • freight containers and cargo pallets - ie cargo receiving facilities - are indispensable, as they allow a fast loading and unloading of the aircraft.
  • the vast majority of commercial aircraft can accommodate a variety of freight containers or cargo pallets.
  • Most containers or pallets are standardized so that they can be used independently of the aircraft used for transport.
  • freight containers were made exclusively of aluminum, with the weight of the container was about 100 kg.
  • the currently used containers are partly based on lighter materials, so that now freight containers with a
  • Weight of about 60 kg can be used. It should be obvious that reducing the dead weight of the containers or pallets used has a significant financial and environmental impact.
  • Freight container is described for example in DE 20 64 241.
  • the use of non-metallic materials (see DE 69616182 T2) in this area has also been considered.
  • DE 696 16 182 T2 proposes a freight container having an aluminum alloy frame in which side walls and a roof of fiber reinforced plastic are inserted. The side walls and the roof are made as fiber webs of fiber-reinforced plastic.
  • Aluminum alloy is mentioned in the aforementioned document also already a frame made of carbon fiber reinforced plastic material. A technical However, such a freight container can not be found in DE 696 16 182 T2. Perhaps the frame should be made from the said knitted or knitted fabric by lamination or by winding.
  • WO 2010/045572 AI a press fit is proposed for the attachment of freight container panels, which can be reinforced by adhesives and mechanical connection rivets. Alternatively, it is also proposed to perform a locking by a plurality of ratchet teeth. These measures are also perceived as costly. An insoluble bond by gluing, riveting or the use of ratchet teeth also complicates the disassembly of the freight container.
  • a cargo receiving device for. B. a freight container or a pallet, in particular for the loading of aircraft, comprising at least one bottom element and at least one profile element which is connected to the bottom element, wherein at least one edge portion of the bottom element with the at least one profile element via a connecting device comprising a hook detachable connected is.
  • the floor element can be suspended by providing a hook in the profile element. This results in a structurally simple, yet secure connection. Assembly and disassembly of the cargo receiving device are facilitated. In particular, can be dispensed with irreversible bonding or locking.
  • connection between the floor element and the profile element via an insertion (of the floor and / or profile element) with subsequent
  • the connecting device comprises at least one groove and at least one spring.
  • the groove may for example be provided in the profile element (and / or in the bottom element).
  • the spring is preferably provided in the bottom element.
  • at least one groove is provided in the profile element.
  • a cross section of the groove and / or the spring may be at least partially round, in particular circular.
  • a cross section of the groove is preferably completely circular (apart from a slot opening).
  • At least one spring and / or at least one groove may be asymmetrical, so that the spring is insertable into the groove at a predetermined first relative angle to the groove and is hooked to the groove at a predetermined second (relative to the first, different) relative angle.
  • spring and groove are formed such that the spring acts as a hook in the associated groove or is formed as a hook.
  • a cross section of the spring when a cross section of the groove (other than a groove opening) is circular, a cross section of the spring may have a length (maximum length) in a longitudinal direction and a width (maximum width) in a width direction with the longitudinal direction perpendicular to the width direction, wherein the length is greater than the width (for example at least l, l times or at least l, 3 times or at least l, 6 times as large).
  • the connection with the groove can be done easily and safely.
  • a cross-section of the spring has a circular arc section and opposite the circular arc section a fulcrum. In such an embodiment, the spring can be particularly easily levered by rotation in the groove, which allows assembly and disassembly.
  • an edge portion of the bottom plate and / or at least one of the edge portion of the bottom plate facing profile element edge portion (in cross section) is hook-shaped.
  • a separate component for example, a separate hook
  • At least one bottom plate edge portion of the bottom plate may be bent inwardly. Alternatively or additionally, at least one can
  • Floor panel edge portion facing profile element edge portion be chamfered down towards the bottom plate.
  • Cargo receiving device as a pallet may mean "inwards" that the bend is oriented towards a cargo receiving surface
  • Containers may mean "inwards" that the bend is oriented towards a center of the cargo receiving space, in any case a stable and, in particular, form-fitting design of the floor can be achieved
  • Profile element may be at least partially made of fiber-reinforced carbon.
  • Hook construction by the orientation of the fibers of the profile element along its longitudinal axis, against a tensile load by the bottom element is extremely stable.
  • Cargo receiving device in particular of the type described above, for example, a freight container or a pallet, in particular for loading aircraft, comprising a bottom plate, wherein an edge of the bottom plate is connected to a plurality of profile elements, wherein the profile elements connected to each other via a plurality of connectors are, wherein two adjacent profile elements form only at its end remote from the respective other profile element a plug connection, each with a third (in the sense of "further") profile element.
  • a core idea of this cargo receiving device is that by mating a plurality of profile elements in a simple manner, a frame can be formed, in which the bottom element can be accommodated. By waiving a plug connection to two adjacent
  • the frame can be closed very easily form-fitting.
  • the bottom plate in combination with a hook construction, as described above, the bottom plate can be easily and reliably with the
  • a plurality of corner elements are provided, each with two
  • Profile elements are connected via a plug connection, wherein an end corner element is provided which is connected to at most one profile element via a plug connection.
  • Freight receiving device can be constructed in a particularly simple manner, a frame comprising the profile elements and corner elements, which due to the special design of the end corner element of the frame can be closed in a simple manner form-fitting (without having to deform the frame). This allows the production of the frame done in a particularly simple manner.
  • a plurality of corner elements are provided with two plug connection pins, one of which is inserted into a profile element, wherein a Endeckelement is provided which has at most one connector pin.
  • At least one wall element is at least one wall element and
  • the wall element is easily as a structural element of the entire cargo receiving device used. This allows an even lighter frame construction and the absence of separate fasteners, such as rivets and screws.
  • At least one wall element is provided which has a stiffening running from a wall corner to the diagonally opposite wall corner, in particular comprising an additional wall layer (tarpaulin layer).
  • the at least one stiffening can be realized by a (local) increase of a number of plies (number of planks). Due to the stiffeners, tensile loads can be absorbed via corner points, so that they no longer have to be set down via frame profiles.
  • the at least one wall element becomes a structurally reinforcing element of the entire cargo receiving device. This allows a simple construction (frame construction) and the absence of connecting means, such as rivets or screws.
  • Cargo receiving device in particular of the type described, comprising at least one bottom element and a plurality of profile elements which are connected to an edge of the bottom element, wherein a plurality of profile elements are connected to two adjacent profile elements via a plug connection, wherein two adjacent Endprofilelemente only at its opposite end with each connected to a third (in the sense of "further") profile element via a plug connection.
  • a cargo receiving device such as a container, a pallet or the like, in particular for the loading of aircraft, wherein the cargo receiving device comprises at least one bottom element and at least one pultruded profile element made of fiber-reinforced plastic ,
  • An essential idea of this development or this independent aspect is to use a profile element made of fiber-reinforced plastic to stabilize the cargo receiving device, which is produced in the pultrusion process (pultrusion). Due to the Pultruslonsreaes the profile element made of fiber-reinforced plastic, a resistance especially against a bending load is impressed, which can not be achieved by conventional methods for processing fiber-reinforced plastic (with the same cost of materials). Overall, therefore, a stable
  • At least one profile element is at least partially formed as a hollow profile.
  • a further weight reduction with the same or increased stability can be made possible.
  • At least one profile element can form at least part of a frame of the cargo receiving device, in particular of the floor element. Forces acting on the frame in such a cargo receiving device can be distributed particularly favorable to the frame by the pultruded formation of the profile element.
  • At least one profile element may comprise at least one fastening device, such as a plug-in device, in particular a preferably roundish groove or a rail, for fastening a wall element, in particular a bottom element and / or a Verzurr issued.
  • a groove or rail can be produced in the pultrusion process with little effort. It is thus shown a weight-saving way to connect different wall elements in a simple way with the profile element.
  • the profile element when the profile element is formed as part of a frame, the cargo receiving device can be easily assembled, disassembled and repaired.
  • the profile element can be connected via a plug connection with a further profile element and / or a corner element.
  • Profile elements can be realized via a corner element. However, the plug connection between two profile elements can also be made directly such that the profile elements are in contact. Two or more profile elements can also be assembled via one or more (straight) intermediate piece (s) to form an extended profile element. As a result, different profile elements can be realized in a simple manner or one
  • the at least one corner element may have at least one pin (projection) corresponding to a recess of one of the profile elements.
  • Execution of the profile elements as a hollow profile corresponds to the pin (extension) preferably in its cross section the cross section of a hollow chamber of the hollow profile. This also facilitates the manufacture of the cargo receiving device.
  • At least one (possibly plane-like) wall Preferably, at least one (possibly plane-like) wall,
  • sidewall or ceiling at least partially made of a fiber-reinforced plastic.
  • Profile elements can be achieved overall a very light cargo receiving device with high stability.
  • At least one wall in particular a bottom wall or a cargo floor, may comprise a core layer of fiber-reinforced plastic and a support layer made of a metal, in particular an aluminum alloy, wherein the core layer and support layer are preferably interconnected by material connection.
  • An essential idea of this embodiment is to reduce the weight of the shelf, for example, by making it of several layers, in particular in a sandwich construction, wherein materials of metal and of plastic are used for the layers.
  • the bottom wall can be constructed as described in the German patent application with the file number DE 10 2011 050 893.7 and / or be prepared accordingly.
  • metal and plastic materials can be used for the layers.
  • a connection of the layers by material and / or positive connection, wherein a material connection leads to particularly good results.
  • the support layer of the metal alloy serves as an outer layer, attack on the cargo drive units. Furthermore, this layer absorbs punctual loads and distributes them over a wide area.
  • An aluminum alloy is particularly suitable here, since a good coefficient of friction results in connection with conventional rollers of cargo drive units.
  • the core layer which preferably immediately adjoins the support layer, stiffens the entire construction and leads to significant weight savings.
  • the support layer may have a thickness of 0.5 mm to 2.5 mm, in particular from 0.7 mm to 1.5 mm, in particular from 0.9 mm to 1.5 mm.
  • the overlay layer has only a small thickness in relation to the thickness of the entire cargo floor, e.g. B. less than 40%, in particular less than 30%, in particular less than 20% of the total thickness. In this respect, significantly lighter cargo floors can be produced.
  • the support layer may have a strength of more than 400 N / mm 2 , in particular more than 500 N / mm 2 .
  • the overlay layer can protect the core layer from high punctual loads.
  • the cargo floor according to the invention is subject to the usual rough treatment only a slow wear and is very robust.
  • a further layer namely a wear layer or cover layer can be provided, which is arranged on the side facing away from the support layer of the core layer.
  • the wear layer may be formed from a metal alloy, in particular from an aluminum alloy, and / or a glass fiber reinforced plastic and / or a material from the group of aromatic polyamides (eg aramid).
  • the wear layer can protect the core layer from wear and stiffen the sandwich construction as a whole.
  • Wear layer may be aluminum wrought alloys.
  • the main alloying element used may be zinc, with zinc occupying a constituent of 0.7 to 13%, in particular 0.8 to 12%.
  • Such aluminum alloys are very hard.
  • 7075 T6 or 7075 T7 may be used as the material.
  • the wear layer is connected by form and / or material bond with the core layer.
  • the aluminum alloys mentioned can be aluminum alloys with a solution-annealed and / or heat-aging and / or overhardened
  • the core layer may have a thickness of at least 1 mm, in particular at least 1.5 mm, in particular at least 2 mm, in particular at least 4 mm, in particular at least 6 mm.
  • the core layer comprises a solid core.
  • a core may be understood to mean a core that is essentially solid. That is, the core layer is at least 50%, in particular at least 70%, in particular at least 90% of carbon fiber reinforced and / or glass fiber reinforced plastic constructed. Larger connected
  • the wear layer may have a thickness of 0, 1 to 1 mm, in particular from 0.2 to 0.6 mm, in particular from 0.25 to 0.5 mm.
  • At least one wall has, at least in sections, a particularly rounded bulge at its edge for fastening the wall to at least one profile element.
  • a connection to the profile element or one of the profile elements can be achieved in a particularly simple manner, for example by introducing the bead into a (roundish) groove of the profile element.
  • At least one wall in particular the bottom wall, may be bent inwardly at at least one edge region.
  • Cargo receiving device as a pallet may mean "inwards" that the bend is oriented towards a cargo receiving surface
  • Container may mean inwards that the bend is oriented towards a center of a cargo receiving space. In any case, this can (in particular in combination with a rounded bead on the edge of a wall) a stable and in particular form-fitting design of the wall, in particular the
  • At least one wall can have at least two layers of fiber reinforced
  • At least one wall may comprise at least a first layer having (exclusively) 0 degree / 90 degree layers and at least one second layer having (exclusively) -45 degree / + 45 degree layers disposed on the first layer.
  • the two layers can be achieved in a simple way both stabilization in a corner region (through the -45 degrees / + 45 degrees layers), as well as a stable attachment to the example running at the edge profile elements, achieved (by the 0 degrees / 90 degree layers).
  • At least one wall may at least partially be made of glass fiber reinforced plastic and / or carbon fiber reinforced plastic and / or aramid and / or Kevlar.
  • Aramid / Kevlar is preferably used, in particular to improve handling, for example with forklift forks.
  • a film could be pulled over (conventional) cargo hoppers or pallets on the outside of the cargo pick-up device. It can be a thin outer layer (in the manufacture of the walls) are introduced (for example, as another layer).
  • the cargo receiving device / the range of sunlight may be reflective (without necessarily a protective cover must be provided).
  • a sunlight-reflecting layer can therefore be used instead of a protective cover. This is advantageous in that protective shells in the prior art can often only be used once, since they are damaged after the first use (for example, holes are formed, etc.).
  • At least one edge bead can by a rod integrated in the edge, in particular made of fiber-reinforced plastic, such as glass fiber reinforced Plastic or carbon fiber reinforced plastic, are formed.
  • fiber-reinforced plastic such as glass fiber reinforced Plastic or carbon fiber reinforced plastic
  • At least one wall is fastened to at least one corner plate on a / the frame of the cargo receiving device, wherein the corner plate preferably has at least one, in particular with the wall at least partially lined bore.
  • at least one wall, in particular plane-like is fastened to at least one plate on a frame of the cargo receiving device, wherein the plate preferably has at least one bore, more preferably at least one layer of the particular plane-like wall being pressed into the bore.
  • a suitable fastening means with preferably cylindrical cross-section, such as a screw, in a simple manner secure attachment of the particular plan-like wall.
  • the fastening means has a flange portion. Between this flange portion and a profile element, the particular plan-like wall can thereby be clamped, which further improves the stability.
  • the plate may be arranged at least partially within the wall and preferably be tapered in the direction of a wall center. This results in a comparatively homogeneous transition region from the plate to the particular plane-like wall (in the area in which it is not connected to the plate). This further improves the stability of the attachment. The weight is reduced.
  • the above object is according to a development of the above
  • Freight receiving device in particular of the type described above, comprising at least one profile element, wherein the profile element is at least partially produced by pultrusion of fiber-reinforced plastic.
  • At least one wall of the cargo receiving device may be made of one, in particular plane-like, fiber-reinforced plastic or
  • Mounting plate can be pressed, preferably by using a tool with a cone-shaped portion. This allows the
  • Fixing the wall made of fiber-reinforced plastic with the profile element can be made particularly secure.
  • the manufacturing method comprises producing a groove on the at least one profile element, preferably by pultrusion, and
  • Profile element by introducing a bead-shaped portion of the wall in the groove.
  • the manufacturing method comprises plugging a plurality of profile elements for the production of a frame, in particular using corner elements.
  • the frame is braced by attaching a / the wall to the frame.
  • the above object is further achieved independently by the use of a pultruded profile element made of fiber-reinforced plastic for the production of a cargo receiving device, in particular of the type described above.
  • the present cargo receiving device can completely dispense with metallic components.
  • the present cargo receiving device can completely dispense with metallic components.
  • Cargo receiving device an electromagnetic transmitter and / or
  • Receiver in particular an RFID chip include.
  • this electromagnetic receiving and / or transmitting device can communicate particularly easily with a corresponding external transmitter or receiver. A disturbance by metallic components is avoided or at least reduced.
  • the overall weight compared to known cargo receiving devices is significantly reduced again.
  • a weight reduction of 35% or more seems possible, which for example in a Boeing 747 again around 640 kg per total loading weight could be against a load of known containers.
  • a Boeing 747 in maximum capacity of about one-third aircraft, one-third passengers or cargo and about one-third fuel and in this form then has a take-off weight of about 408 tons, it comes to the result that about 130 tons of fuel are needed to transport 272 tons of aircraft and cargo.
  • the cargo receiving device according to the invention can be saved on a flight in such a case about 320 kg of fuel. As a result, C0 2 emissions can be significantly reduced again.
  • FIG. 2 shows the freight container from FIG. 1 in a view from above
  • FIG. 3 shows the freight container in a view cut along the line III-III from FIG. 2;
  • FIG. 5 shows the pultruded profile element according to FIG. 4 in a side view
  • Fig. 6 is a section along the line VI-VI of Fig. 5;
  • Fig. 7 corner element in a first oblique view
  • FIG. 8 shows the corner element from FIG. 7 in a second oblique view
  • FIG. 9 shows a second embodiment of a pultruded profile element in a schematic sectional view
  • 10 shows a second embodiment of a corner element in a schematic oblique view
  • FIG. 11 shows the corner element according to FIG. 10 in a side view
  • Fig. 13 components of a wall and a mold for producing a
  • FIG. 15 shows a fastening of a wall of the cargo receiving device to a corner element in a view from above;
  • Fig. 16 is a partial section along the line XVI-XVI of Fig. 15;
  • Fig. 17 shows an alternative possible embodiment of a range of
  • FIG. 18 shows a side corner element with cutouts of two side walls and a ceiling
  • 19 is a schematic sectional view of a section of a
  • FIG. 20 shows the profile element and the floor element according to FIG. 19 in a second relative position
  • FIG. 21 shows the profile element and the floor element according to FIG. 19 in a third relative position
  • FIG. Fig. 22 is an oblique view of an alternative embodiment of a corner element
  • Fig. 23 shows another alternative of an embodiment of a corner element in an oblique view.
  • Fig. 1 shows a freight container 10 in an oblique view.
  • Fig. 2 shows the freight container in a view from above.
  • the cargo container 10 comprises a frame 11 and (attached to the frame) side walls 12a to 12d, a ceiling 13 and a bottom 14.
  • the side wall 12c extends to the bottom 14th
  • the side wall 12c also comprises a vertical section 16, which extends to the ceiling 13.
  • the remaining side walls 12a, 12b and 12d extend continuously perpendicular to the floor 14 and the ceiling 13, respectively.
  • the frame 11 comprises first profile elements 17 and second profile elements 18, the first profile elements 17 and the second profile elements 18 differing in particular with respect to their cross section.
  • Profile elements 17 are part of a floor frame 19. The second
  • Profile elements 18 are components of a side frame 20 and a
  • Ceiling frame 21 include side corner elements 23, to the three second
  • Profile elements 18 can be plugged (connected).
  • FIG. 3 shows a section along the line III-III from FIG. 2. It can be seen that a second profile element 18 is also arranged between the oblique section 15 and the vertical section 16 of the side wall 12c. Furthermore, it can be seen that the first profile element and the second profile element are formed as a hollow profile, wherein a cavity 24 of the first profile elements 17 and a cavity 25 of the second profile elements 18 is formed differently.
  • Fig. 4 shows a profile element in an oblique view.
  • Fig. 5 shows the profile element in a view from the side.
  • Fig. 6 shows a section along the line VI-VI of Fig. 5.
  • the first profile element 17 comprises a bottom receiving groove 26 for receiving or fixing the bottom 14 and a side wall receiving groove 27 for receiving respectively.
  • the bottom 14 or a bottom plate can be inserted into the bottom receiving groove 26. Due to the provision of Bodenabilitynut thus additional connecting parts, such as rivets, can be omitted in general. As a result, both the structural design and the effort during assembly is significantly reduced.
  • the side walls 12a to 12d can be inserted into the side wall receiving groove 27.
  • Sidewall receiving groove 27 preferably has a rounded cross-section and is suitable for receiving a rounded bead (see below) of the bottom 14 or one of the sidewalls 12a-12d or the ceiling 13.
  • the seat rail construction 28 has an elongated cross-section with inwardly bent hook 29 for retaining lashing eyes.
  • the cavity 24 of the first profile element has a (roughly) rectangular cross-section, with a wall adjoining the bottom 14 (not visible in FIG. 6) being bent upwards outwards.
  • the inner contour of the profile element 17, 18 may vary; an outer contour also, if necessary taking into account the freight system. The inner ones
  • Cross sections can be adapted in particular to different loads.
  • the outer contour can be adapted to the interface to the freight system, for example, edge corners for receiving bars and
  • the bottom corner elements 22 can be extended and / or widened (in the vertical direction) with a flange plate (not shown in the figures), in particular in order to be able to connect the first profile elements to the bottom corner elements 22 by means of screws.
  • the bottom corner elements 22 (possibly also the side corner elements 23) may be formed from a composite material (in particular fiber composite material) or possibly also of an aluminum alloy (cast or forged). If the corner elements comprise a metal alloy, then corrosion protection can be provided between the pultruded profile elements and the corner elements (since, for example, carbon fiber reinforced plastic is comparatively aggressive towards aluminum).
  • the seat rail construction 28 may include bores (not shown in the figures) (which bores may be retrofitted and may have a diameter of 19 mm) for securing tie down lugs (single lower and double tie down studs) to be able to hook
  • Pultruded fiber composite plastic such as carbon fiber reinforced plastic or glass fiber reinforced plastic, etc.
  • Figs. 7 and 8 show one of the bottom corner elements 22 in different
  • the bottom corner element 22 is designed for connection (by insertion) with two first profile elements 17. There are two
  • Cavity receiving pins 30 are formed, to each of which a cavity 24 of the first profile element (not shown in Figures 7 and 8, see Fig. 6) can be infected. In this respect corresponds to an outer contour of the first profile element (not shown in Figures 7 and 8, see Fig. 6)
  • Cavity receiving pins 30 with an inner contour of the cavities 24 of the first profile elements 17. Furthermore, seat rail receiving pins 31st
  • the seat rail construction 28 preferably corresponds to an outer contour of the seat rail receiving pins 31 an inner contour of the seat rail construction 28. This allows the seat rail construction 28 not only the lashing (attachment) of the object to be transported, but also contributes to the further stabilization of the cargo container 10 at.
  • Cargo receiving device proposed in the at least one
  • Connecting element for connecting two profile elements at least one Seat rail receiving pin, which can be inserted into a seat rail construction of a (pultruded) profile element.
  • the bottom member 22 includes a side wall land 32 which extends in the direction of the side walls 12a to 12d (not shown in Figures 6 and 7). At a distal end 33 of the side wall web 32, a (horizontal) portion is provided with an arcuate groove 34 in order to attach the side walls 12a to 12d to the first profile element 17 can. In the assembled state (see Fig. 1), the arcuate groove 34 passes into the side wall receiving grooves 27 of the first profile elements 17.
  • FIG. 9 shows the cross-section of the second profile element 18 which is preferably used on all edges of the container (with the exception of the edges towards the bottom 14).
  • the side walls 12a to 12d and the ceiling 13 can preferably be connected to the second profile elements by sliding (via a joining connection). Again, eliminates a complex connection process, such as by riveting.
  • the second profile element according to FIG. 9 comprises a first
  • Side wall receiving groove 27a and a second side wall receiving groove 27b to connect two side walls 12a to 12d or one of the side walls 12a to 12d with the ceiling 13 can.
  • the side wall receiving grooves 27a and 27b have a (round) round cross section and are suitable for receiving a bead of the side walls 12a to 12d and the ceiling 13, respectively.
  • the cavity 25 of the second profile element 18 is formed (approximately) circular segment-shaped and has a recess 35 in the region of a circular arc.
  • the cross section of the second profile element depends in particular on the male loads, which may be different. In this respect, the cross section of the cavity 25 or of the second profile element 18 can also deviate (from the shape shown in FIG. 9).
  • FIG. 10 shows a side corner element 23 in an oblique view.
  • FIG. 11 shows the side corner element according to FIG. 10 in a side view.
  • the side corner member 23 includes three cavity receiving pins 36 which are inserted in the corresponding one
  • cavities 25 of three second profile elements 18 can be introduced.
  • arcuate grooves 37 may optionally corner areas of the
  • Fig. 12 shows a section of a bottom 14 (bottom plate), which in a
  • first profile element 17 is attached.
  • the bottom 14 comprises a (round) edge bead 38, which is inserted into the bottom receiving groove 26 of the first profile element 17.
  • (horizontal) loads can be recorded in a simple manner, which can arise during operation.
  • the bottom 14 comprises a first bottom layer 39, a second bottom layer 40 and a third bottom layer 41.
  • the first (bottom) bottom layer 39 is preferably made of an aluminum alloy (in particular the 7075 series) and can provide sufficient support against transport rollers (PDU rollers). enable.
  • the second bottom layer 40 may be made of fiber reinforced plastic (such as carbon fiber reinforced plastic and / or glass fiber reinforced plastic) and / or aramid and / or Kevlar.
  • the second bottom layer 40 or also a third bottom layer 41 lying above the second bottom layer can form a (fine) braided layer (iron braiding layer), in order to achieve an electromagnetic shielding, if required. Overall, more than three soil layers can be provided.
  • the thickness of the bottom plate may be 1.5 to 4.5 mm, in particular (about) 3.2 mm.
  • a bottom metal sheet (corresponding to the first bottom layer 39) may have a thickness of 0.5 to 1 mm, especially (about) 0.75 mm.
  • a bottom edge 42 has a bend 43 (towards an interior of the cargo container). As a result, a more favorable (flush) transition into the first profile element 17 can be achieved. Furthermore, a delamination of a metal support can be avoided if the transport rollers (PDU rollers) drive in operation over a corner edge of the floor.
  • the bend 43 runs parallel to an inclined surface 44 of the first profile element 17. As can be seen in FIG. 12, in particular the first bottom layer 39 (metal layer) can also be provided in the region of this inclined surface 44. It is also conceivable that
  • One or more of the soil layers may be comprised of a fiber reinforced plastic containing at least a -45 degree / + 45 degree layer and a 0 degree / 90 degree layer.
  • Reference line is an edge of the bottom 14 (ie in Fig. 12 is a direction perpendicular to the plane of the drawing). The degree specifications refer to this on a mean orientation of the fibers within the fiber-reinforced
  • FIG. 13 shows part of a manufacturing process for achieving the structure of FIG. 14.
  • the side walls 12a to 12d as well as the ceiling 13 can be designed like a plan (or as a tarpaulin) and comprise an edge bead 45 (see FIG. 14).
  • the edge bead 45 runs at least partially around the side walls 12a to 12d and the ceiling 13 and can preferably be inserted into the bottom corner elements 22 or second profile element 18.
  • the (designed as tarpaulin) side walls 12a to 12d and the ceiling 13 may be made of a carbon fiber reinforced plastic, a
  • Glass-fiber reinforced plastic be made of aramid and / or Kevlar.
  • the second (middle) sidewall layer 47 is formed as a 0 degree / 90 degree layer (relative to a sidewall edge 49 that is perpendicular to the plane of the drawing in FIG. 14) Following from a side wall or
  • the first sidewall layer 46 and the third sidewall layer 48 are preferably as -45 degree / + 45 degree plies
  • FIG. 15 the orientation of the -45 degrees / +45 degrees layers are shown by solid lines 67 by way of example. Dashed lines 68 show the 0 degree / 90 degree plies.
  • the middle layer 47 is thus designed to transmit in particular (pure) tensile forces between the profile elements (17, 18).
  • the first and third sidewall layers 46, 48 are preferably configured to support corner points of the sidewalls 12a to 12d (or ceiling 13) and to transmit tensile forces from corner to corner, respectively.
  • the side wall layers 46 to 48 may be 0.1 to 0.4 mm thick,
  • the side walls 12a to 12d or ceiling 13 may have a total thickness of about 0.5 to 1 mm, preferably 0.75 mm. Even larger thicknesses (especially at correspondingly high
  • aramid Kevlar
  • the safety of the cargo receiving device is further increased. For example, no unauthorized person (by simple means) can insert a slot in the side walls 12a to 12d and create a dangerous one
  • Insert an item such as a bomb.
  • aramid Kevlar
  • the side walls 12a to 12d and the ceiling 13 are formed such that (in particular via the edge beads 45) to the
  • Profile elements can not or only partially pulled apart and the structure of the frame of the cargo container 10 is maintained.
  • the combination of the special layer arrangement (0 degrees / 90 degree layers and -45 degrees / + 45 degrees layers) and the pultruded version of the profile elements allows a particularly lightweight, yet stable construction.
  • a design of the side walls 12a to 12d or ceiling 13 as a tarpaulin has the advantage that damage such as smaller holes can be relatively easily repaired with a piece of repair, which can be glued, for example.
  • a first part of a manufacturing process for the edge bead 45 is shown schematically.
  • a rod 50 is provided.
  • the rod 50 may preferably be fiber reinforced plastic
  • the rod may for example have a diameter of 1.5 to 2.5 mm.
  • the rod 50 is connected (preferably integrally) to lugs 51 (as longitudinally extending portions of the rod, in particular planar sections).
  • the rod 50 and the lugs 51 are pultruded in a common pultrusion process. This considerably simplifies the manufacturing process.
  • a rod for forming a peripheral bead of a sidewall (or ceiling or floor) may thus be pultruded with two tabs extending along the rod.
  • the lugs 51 may be at an angle of (approximately) 45 to 60 degrees to each other.
  • the rod 50 with the flags 51 can be inserted into a mold 52.
  • a mold 52 In the form 52 already more side wall layers (in Fig. 13 is the
  • a preferred process sequence may then be as follows:
  • Mold 54 and second mold 56 optional heat application for bonding sidewall layers 46-48.
  • load-bearing connected to the side wall 12a to 12d or the ceiling 13.
  • a corner plate can still be introduced in a corner region (see below).
  • Figs. 15 to 18 show attachment of the side walls 12a to 12d and the ceiling 13, respectively, to a corner portion 57 (see Fig. 15) of the frame.
  • the corner plates 59 may, for example, have a triangular or quadrangular plan view and / or have a thickness of (approximately) 1 to 4 mm, preferably 2 to 3 mm.
  • the corner plates 59 may optionally be attached to the bottom corner elements 22 or side corner elements 23 by screws and / or rivets.
  • the recessed corner plates 59 in the side walls 12a to 12d or the ceiling 13 may optionally divert forces by -45 degrees / + 45 degrees so that the frame 11 of the freight container 10 can not shift obliquely (as in the case of known structural structures, for example) for bridges or ceilings).
  • a high-strength construction can be achieved with little material or weight, which loads directly by (pure) tensile forces on the side walls or the ceiling in the frame 11 (and
  • Frame 11 further facilitates such exchange.
  • the corner plates 59 may either be a (prefabricated) plastic part
  • Holes 60 (see Fig. 16) be prefabricated. These holes 60 may have a (relatively high) edge breakage 61 (at one or both of themselves
  • the corner plate preferably tapers in the direction of a center of the respective side wall 12a to 12d or cover 13, in particular by a stable (flush) transition from the approximately 2 to 3 mm thick plate to the (approximately) 0.75 thick plane
  • a mold for making the connection of the respective side wall 12a-12d or ceiling 13 with the corner plate 59 may comprise a pin having a cone-shaped portion around material of one of the sidewall layers 46-48, particularly the first sidewall layer 46 and / or the third
  • Side wall layer 46 and the third side wall layer 48 can be pressed when closing the mold in a limited by the edge break 61 lowering 62 (obliquely downwards).
  • the fibers should not be destroyed, but are formed around the bore 60 around.
  • FIG. 17 In the detail of FIG. 17 are still details of a screw with a screw 63 and a nut 64 can be seen. Both the screw 63 and the nut 64 have a (comparatively large) flange portion 65 (the flange portions 65 need not be provided simultaneously). Overall, the screw 63 has an enlarged head 66, which may be adapted to the first edge break 61.
  • the first sidewall layer 46 is bent inwardly by the manufacturing process previously described. Accordingly, the third side wall layer 48 is bent inward in the region of the associated edge break 61. Overall, an improved and clearly defined force flow in the corner region 57 can be achieved by the present construction.
  • FIG. 18 shows a schematic oblique view of a side corner element 23 with a detail of a side wall 12a, a side wall 12b and the ceiling 13.
  • the side walls 12a, 12b and the ceiling 13 are connected to the side corner element 23 via corresponding corner plates 59.
  • the corner plates 59 have a triangular plan and are about a plurality of (three) screws 63 with the side walls 12 a, 12 b and the ceiling 13 on the one hand and the
  • the corner plates 59 are arranged above the side walls 12a, 12b and the ceiling 13. In a preferred embodiment, however, the corner plates 59 in the side walls 12 a, 12 b and the ceiling thirteenth
  • Fig. 19 shows sections of a first profile element 17 and the
  • the bottom element 14 according to FIG. 19 has a multilayer structure.
  • the profile element 17 is (in terms of its shape) as the profile element of FIG. 4-6
  • the bottom 14 consists of two (multi-layered) layers, which are folded at the bottom edge 42, so that they lie one above the other.
  • the bottom edge 42 has a (upwardly projecting) edge bead 45.
  • the edge bead 45 has a length L and a width B. The length L is greater than the width B (about l, 2 times as large).
  • the edge bead 38 has (in cross-section) on a circular arc portion 69, which corresponds to a circular arc portion 70 of the bottom receiving groove 26 of the profile element 17. Opposite the circular arc section 69, the cross section of the edge bead 38 has a projection 71 which serves to move the edge bead 38 or the bottom edge 42 into the bottom receiving groove 26 (during one rotation).
  • a section adjoining a distal end of the circular arc section 69 is planar.
  • the edge bead 38 can be kept comparatively narrow, so that it can be inserted into the bottom-receiving groove 26.
  • the connection of floor element and profile element is simplified. If the edge bead 38 (translationally) is moved along an arrow 72 into the bottom element receiving groove 26, the relative position of the profile element and the bottom element, as shown in FIG. 20, results. If bottom element 14 and profile element 17 are now rotated relative to one another (see FIGS. 20 and 21), edge bead 38 hooks into bottom-receiving groove 26. Edge bead 38 thus forms a hook.
  • the angle of rotation between the position of FIG. 20 and FIG. 21 is (approximately) 40-70 degrees. In the end position according to FIG. 21, floor surfaces of profile element 17 and floor element 14 are aligned or are parallel to one another.
  • Fig. 22 shows a schematic oblique view of another embodiment of a corner element.
  • the bottom corner element 73 is analogous to the bottom corner element 22 according to FIGS. 7 and 8 for connection (by insertion) with two first ones
  • Profile elements 17 formed.
  • two cavity receiving pins 30 are formed, to each of which a cavity of the first profile element 17 (see Fig. 6) can be infected.
  • An outer contour of the cavity receiving pins 30 corresponds to an inner contour of the cavities 24 of the first
  • a third cavity receiving pin 74 is provided to connect to a second profile member 18 (see FIG. 9) via a plug connection become.
  • the outer contour of the third cavity receiving pin 74 is formed corresponding to the inner contour of the cavity 25 of the second profile element 18 (see Fig. 9).
  • the bottom corner element 73 according to FIG. 22 has a multiplicity of bores 75, into which pins (or screws or screws)
  • FIG. 23 shows a further embodiment of a bottom corner element or end corner element 76.
  • the end corner element 76 corresponds to the bottom corner element 73 according to FIG. 22 with the difference that the bottom corner element 76 no
  • Cavity receiving pins 30 has. However, the cavity receiving pin 74 for receiving the second profile element 18 is provided. The
  • Bodeneckelement 76 is thus not in contrast to the Bodeneckelement 73 shown in FIG. 22 for the production of a plug connection to a first
  • Profile element 17 suitable.
  • diagonal straps can help).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Connection Of Plates (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)

Abstract

L'invention concerne un contenant de fret, par exemple un conteneur de fret (10) ou une palette, destiné en particulier au chargement des avions, comprenant au moins un élément formant fond (14) et au moins un élément profilé (17) relié à l'élément formant fond (14). L'invention est caractérisée en ce qu'au moins une partie marginale (42) de l'élément formant fond est reliée amovible à l'élément profilé (17) par un dispositif de liaison comportant au moins un crochet (38).
EP12725818.4A 2011-06-07 2012-06-06 Contenant de fret Not-in-force EP2718202B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17154606.2A EP3181486A3 (fr) 2011-06-07 2012-06-06 Dispositif de réception de fret en particulier destiné au chargement d'aéronefs et procédé de fabrication d'un dispositif de réception de fret
EP12725818.4A EP2718202B1 (fr) 2011-06-07 2012-06-06 Contenant de fret

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102011050893.7A DE102011050893B4 (de) 2011-06-07 2011-06-07 Frachtcontainer und Verfahren zur Herstellung eines Frachtcontainers
PCT/EP2011/003114 WO2012175099A1 (fr) 2011-06-24 2011-06-24 Dispositif de chargement de fret, en particulier pour le chargement d'aéronefs, procédé de fabrication d'un dispositif de chargement de fret ainsi qu'utilisation d'un élément profilé renforcé par des fibres, pultrudé pour un dispositif de chargement de fret
PCT/EP2012/060724 WO2012168314A1 (fr) 2011-06-07 2012-06-06 Contenant de fret destiné en particulier au chargement des avions, et procédé de fabrication d'un tel contenant de fret
EP12725818.4A EP2718202B1 (fr) 2011-06-07 2012-06-06 Contenant de fret

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17154606.2A Division EP3181486A3 (fr) 2011-06-07 2012-06-06 Dispositif de réception de fret en particulier destiné au chargement d'aéronefs et procédé de fabrication d'un dispositif de réception de fret
EP17154606.2A Division-Into EP3181486A3 (fr) 2011-06-07 2012-06-06 Dispositif de réception de fret en particulier destiné au chargement d'aéronefs et procédé de fabrication d'un dispositif de réception de fret

Publications (2)

Publication Number Publication Date
EP2718202A1 true EP2718202A1 (fr) 2014-04-16
EP2718202B1 EP2718202B1 (fr) 2017-09-13

Family

ID=50238066

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17154606.2A Withdrawn EP3181486A3 (fr) 2011-06-07 2012-06-06 Dispositif de réception de fret en particulier destiné au chargement d'aéronefs et procédé de fabrication d'un dispositif de réception de fret
EP12725818.4A Not-in-force EP2718202B1 (fr) 2011-06-07 2012-06-06 Contenant de fret

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP17154606.2A Withdrawn EP3181486A3 (fr) 2011-06-07 2012-06-06 Dispositif de réception de fret en particulier destiné au chargement d'aéronefs et procédé de fabrication d'un dispositif de réception de fret

Country Status (1)

Country Link
EP (2) EP3181486A3 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598273A (en) * 1968-12-06 1971-08-10 Air Cargo Equipment Corp Container
US3645596A (en) 1969-12-30 1972-02-29 Boothe Airside Services Cargo container construction
DE4218589A1 (de) * 1992-06-05 1993-12-09 Durotherm Kunststoffverarbeitu Transportbehälter
DE4243135A1 (de) * 1992-12-19 1994-06-30 Blohm Voss Ag Verfahren und Vorrichtung zur Verbindung
US5741042A (en) * 1995-03-23 1998-04-21 Stoughton Composites, Inc. Intermodal container including double lap shear joints
DE69616182T2 (de) 1995-07-14 2002-06-20 Toray Industries, Inc. Container aus Faserverstärktem Kunststoff
DE102008005010A1 (de) * 2007-04-25 2008-10-30 Aircon Gmbh & Co. Kg Zusammenlegbarer Transportcontainer für Waren
WO2010045572A1 (fr) 2008-10-16 2010-04-22 Touchstone Research Laboratory, Ltd. Dispositif de charge unitaire de faible poids
DE102011050893B4 (de) 2011-06-07 2016-01-14 Telair International Gmbh Frachtcontainer und Verfahren zur Herstellung eines Frachtcontainers

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2012168314A1 *

Also Published As

Publication number Publication date
EP3181486A2 (fr) 2017-06-21
EP3181486A3 (fr) 2017-08-23
EP2718202B1 (fr) 2017-09-13

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