EP2316780B1 - Mast for a stacker crane - Google Patents

Mast for a stacker crane Download PDF

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Publication number
EP2316780B1
EP2316780B1 EP10188738A EP10188738A EP2316780B1 EP 2316780 B1 EP2316780 B1 EP 2316780B1 EP 10188738 A EP10188738 A EP 10188738A EP 10188738 A EP10188738 A EP 10188738A EP 2316780 B1 EP2316780 B1 EP 2316780B1
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EP
European Patent Office
Prior art keywords
mast
support strut
reinforcing structure
profiles
section
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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EP10188738A
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German (de)
French (fr)
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EP2316780A1 (en
Inventor
Christoph Hahn-Woernle
Nicole Riegler-Kurz
Dr. Peter Lambeck
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viastore systems GmbH
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viastore systems GmbH
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Publication date
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Priority to PL10188738T priority Critical patent/PL2316780T3/en
Publication of EP2316780A1 publication Critical patent/EP2316780A1/en
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Publication of EP2316780B1 publication Critical patent/EP2316780B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/07—Floor-to-roof stacking devices, e.g. "stacker cranes", "retrievers"

Definitions

  • the invention relates to a mast for a stacker crane, wherein the mast comprises a support strut and a reinforcing structure connected to the support strut, wherein the support strut has at least one guide rail for the stacker crane, wherein the support strut is formed as a plastic, fiber composite or sandwich component and wherein the Support strut in the areas that form tracks for roles of the storage and retrieval device, is reinforced.
  • Storage and Retrieval Systems are used in high-bay warehouses and can be moved in the vertical direction on a mast in order to access stored goods, which is stored at different heights of the high-bay warehouse.
  • the mast itself can be moved within a warehouse lane.
  • the problem with very high masts or high accelerations of the masts is that the masts nachpendeln after accelerating or decelerating, with a decay of the pendulum motion must be awaited before a secure access to the high-bay warehouse.
  • this pendulum movement is also for the operation of the high-bay warehouse required energy expenditure of importance. The easier a mast can be built, the lower the mass to be accelerated and decelerated, and the lower the energy required for this purpose.
  • a mast for a storage and retrieval device in which a support strut and a reinforcing structure connected to the support strut are provided.
  • the support strut forms a guide rail and raceways for roles of a stacker crane.
  • the support strut is designed as a plastic part and can be reinforced by integrating reinforcing strips in the region of the raceways.
  • a mast for a storage and retrieval unit which is composed of corner profiles made of fiber-reinforced plastic and glued in these sandwich panels.
  • the corner profiles form tracks for rollers of the stacker crane.
  • the mast is tapered from bottom to top.
  • a mast for a storage and retrieval device which is tubular and formed of carbon fiber reinforced plastic. Rolling the mast has areas that serve as raceways for roles of a stacker crane.
  • an improved mast for a stacker crane is to be provided.
  • a mast for a stacker crane in which the support strut in the areas that form tracks for roles of the stacker crane, by means of plugged profiles of pressure-resistant material is reinforced and in which the profiles are formed as sheet metal parts or metal cast extrusions.
  • a division of the mast is thus provided in a support strut and a reinforcing structure.
  • the support strut forms a functionally extended tension / compression strut. From the storage and retrieval unit thereby forces are transmitted only in the area of the support strut on the mast.
  • the reinforcing structure merely serves to reinforce the mast and can be adapted to the boundary conditions to be met.
  • the invention provides a modular mast available that can be created, for example, adapted to the requirements in modular way.
  • the support strut serves as a tension / compression strut and at the same time as a runway for rollers of the stacker crane.
  • the design of the reinforcing structure is largely free and can be carried out, for example, as a lattice structure, in composite plastic construction, made of aluminum or the like.
  • an identical support strut can be combined with different reinforcement structures in order to optimally fulfill the respective boundary conditions.
  • the support strut is formed as a plastic, fiber composite or sandwich component, can be high-strength and at the same time lightweight support struts form, especially when using fiber-reinforced plastic components.
  • a relatively pressure-sensitive profile can be used as a support strut and reinforced only in the areas of the raceways by means of attached profiles.
  • pressure-sensitive materials such as plastic sandwich components can be used for the first time.
  • the profiles are designed as sheet-metal bent parts or metal continuous cast profiles.
  • the profiles are attached, for example by means of clips, barbs, screws and / or adhesive to the support strut.
  • the support strut can be constructively simple form and the strength requirements of the support strut in their function as a tension / compression strut and on the raceways in terms of pressure resistance and wear resistance can be optimally met.
  • the support strut is formed as formed in an extrusion, Strangzieh-, winding or Pultrusionsbacter plastic profile.
  • fiber-reinforced plastic components can be used, in particular pultrusion profiles.
  • the support strut is advantageously designed as consisting of a fiber composite material existing plastic profile.
  • the reinforcing structure has at least one plastic profile formed in an extrusion, pultrusion, winding or pultrusion process.
  • the mast can consist of a support strut on the front, which is designed as a pultrusion profile, and a reinforcing structure, which likewise has a pultrusion profile arranged on the rear side of the mast.
  • the two pultrusion profiles which do not necessarily have to be identically constructed, can then be connected to one another, for example, by means of plates or a truss structure.
  • the reinforcing structure advantageously has a plastic profile consisting of a fiber composite material.
  • the reinforcing structure consists of a plurality of interconnected profiles that extend as far as seen in the longitudinal direction of the mast.
  • a tapered structure of the mast can be made in a particularly simple manner.
  • the reinforcing structure consists of a plurality of substantially similar profiles.
  • the support strut consists of at least one first profile extending over an entire travel range of the stacker crane with a guide rail arranged on the profile.
  • the support strut can be made in a particularly simple manner by a profile is provided with guide rails, for example strips with rectangular cross-section, which are glued to a pipe profile or connected to the profile by means of screws.
  • the support strut consists of at least two juxtaposed profiles with substantially the same cross section, which extend over the entire travel range of the stacker crane.
  • the support strut itself depending on the set boundary conditions, form different.
  • the support strut itself, depending on the set boundary conditions, form different.
  • the support strut and the reinforcing structure are formed from profiles with substantially the same cross-section.
  • the profile which then extends over the entire travel range of the storage and retrieval unit is provided with additional guide rails, whereas in the area of the reinforcing structure of the mast not necessarily all profiles must extend over the entire mast length. It is of course also possible to use a profile which is already provided with guide rails, for the reinforcing structure.
  • the guide rails are then also present in the area of the reinforcing structure, but are not used as such and contribute, for example, only to a further stiffening of the reinforcing structure.
  • the reinforcing structure is formed by means of a truss structure.
  • the support strut according to the invention serves as a tension / compression strut and at the same time as a runway for roles of the stacker crane, the design of the reinforcing structure is largely free.
  • the truss structure can be designed differently to build masts for different boundary conditions with identical support struts.
  • the presentation of the Fig. 1 shows a cross section through a mast 10 according to the invention.
  • the mast 10 has a support strut 12 and a Reinforcement structure 14 on.
  • the support strut 12 is generally plate-shaped and provided at its, the reinforcing structure 14 facing away from the front side with a guide rail 16.
  • An unillustrated storage and retrieval unit can be supported with suitable rollers on the guide rail 16 and in addition to the front and / or back of the free ends 18 of the support strut 12.
  • the guide rail 16 facing away from the support strut 12 is provided with Einsteckrinnen 20, which extend over the entire length of the support strut 12.
  • the grooves 20 are indented with respect to the free ends 18 of the support strut 12 so that a stacker crane may include the support strut 12 at the free ends 18 thereof.
  • the cross-sectionally U-shaped reinforcing structure 14 is inserted and secured in a suitable manner.
  • the support strut 12 may be formed, for example, as an aluminum extruded profile or as a fiber-reinforced plastic Pultrusionsprofil.
  • the reinforcing structure 14 may be constructed as a sandwich component. In this way, a very stable and thereby lightweight mast is obtained.
  • the division of the mast 10 according to the invention into a support strut 12 and a reinforcing structure 14 makes it possible to match the structure of the mast 10 to the respective boundary conditions.
  • the support strut 12 is used for example for different loads to be lifted and different lengths of the mast.
  • the reinforcing structure 14 is made stiffer and more sustainable. It is also possible, for example, masts with which no high accelerations must be driven to provide a heavier but less expensive reinforcing structure 14.
  • the reinforcing structure 14 is made very stiff and lightweight at high expected accelerations.
  • the mast 10 according to the invention is thus constructed modularly and in the manner of a modular system, the structure of the mast 10 can be adapted to different boundary conditions to be met.
  • FIG. 2 shows the cross section of another mast 22 according to the invention.
  • a support strut 24 is provided in the region of its free ends 26 with reinforcing profiles 28.
  • the support strut 24 is plate-shaped and an unillustrated storage and retrieval unit rolls only in the region of the reinforcement profiles 28 on the support strut 24 from.
  • the reinforcing profiles 28 on the free ends 26 form guide rails for a storage and retrieval unit.
  • a reinforcing structure 30 is U-shaped and connected to the back of the support strut 24.
  • the reinforcing profiles 28 are U-shaped and pushed onto the free ends 26 of the support strut 24.
  • the reinforcing profiles 28 are formed for example as sheet metal bent parts.
  • wedge-shaped projections 32 are respectively provided on the inner sides of the free ends of the two legs of the U-shaped reinforcing profiles 28 . These wedge-shaped projections 32 have the function of barbs and ensure a secure hold of the reinforcing profiles 28 in the pushed state.
  • the support strut 24 By providing the reinforcing profiles 28, it is possible to use for the support strut 24, although a well suited for the absorption of tensile and compressive forces within the cross section of the support strut 24 well suited material, such as a plastic sandwich material, but with respect to compressive forces Its surface is sensitive and on the surface of the roles of a stacker crane not directly could roll without causing permanent damage there.
  • the roles of the stacker crane now run exclusively on the reinforcing profiles 28, which consist of very pressure-resistant material. This results in the possibility of performing the support strut 24 very easily and yet to prevent damage from the continuous operation of a stacker crane.
  • the presentation of the Fig. 4 shows a cross section through a further embodiment of a mast 34 according to the invention.
  • the mast 34 has a support strut 36 which has two profiles 38, 40 glued together with identical cross-section.
  • a guide rail 42 is glued to the in Fig. 4 to the in Fig. 4
  • a guide rail 42 is glued to the in Fig. 4
  • the profiles 38, 40 have different wall thicknesses in the region of their side walls.
  • the lateral outer walls of the profiles 38, 40 and the front surfaces are made with double wall thickness
  • the inner side surfaces and the rear surfaces are each designed with a simple wall thickness.
  • Fig. 4 can be seen, lie the profiles 38, 40 with their inner side surfaces to each other and are glued together in this area, so that there is an inner strut 44 with double wall thickness.
  • a reinforcing structure 46 also consists of two profiles 48, 50 with identical cross section, the cross section of all profiles 38, 40, 48, 50 being identical.
  • the profiles 38, 40, 48, 50 are arranged so that the respective outer walls have twice the wall thickness and the inner walls of the simple wall thickness.
  • Fig. 4 can be seen, lie the profiles 38, 40, 48, 50 with the walls, which have only the simple wall thickness, always on an adjacent profile, so that in the interior of the mast 34 a total of four reinforcing struts 44, 52, 54 and 56 are formed, each having twice the wall thickness.
  • the profiles 48, 50 in the reinforcing structure 46 do not extend over the entire length of the mast. In the lower part of the mast, in Fig. 4 is shown cut, thereby standing the four profiles 38, 40, 48, 50 for receiving forces available. In an upper region of the mast 34 then only the profiles 36, 40 are present. Since the forces occurring in the upper region on the mast 34 but are less than in the lower region of the mast 34, thereby material and weight can be saved in the construction of the mast 34.
  • the presentation of the Fig. 5 shows a side view of another preferred embodiment of a mast 60.
  • the mast 60 consists in its lower part of three consecutively arranged tubular profiles 62, 64 and 66, each extending differently far in the longitudinal direction of the mast 60.
  • the profile 66 extends only to about one third of the total length of the mast 60
  • the middle profile 64 extends to a height of about two-thirds of the length of the mast 60
  • the profile 62 extends over the entire length of the mast 60th
  • the profile 62 is laterally provided with glued guide rails 68 on which rollers of a stacker crane can roll and which, like the profile 62, extend over the entire length of the mast and thus over the entire travel range of a stacker crane on the mast 60.
  • the storage and retrieval unit is arranged at the top end of the mast 62, then the greatest forces occur in the foot area of the mast. In the foot of the mast this consists of the three adjacent profiles 62, 64, 66 and can thereby absorb the forces occurring. In the upper region of the mast and in the middle region of the mast, lower forces occur, so that there the profile 62 or the profile 64 suffices for the reliable absorption of the occurring forces. Opposite a mast with over his Length constant cross-section of the mast 60 according to the invention can be constructed thereby saving material and lightweight.
  • the presentation of the Fig. 6 shows a view on the section plane VI-VI of the Fig. 5 , It can be seen that the profiles 62, 64, 66 have an identical, rectangular tubular cross-section with constant wall thickness on all sides.
  • the profile 62 is provided on its lateral outer walls with the guide rails 68.
  • the profiles 62, 64, 66 are made of plastic material, such as fiber-reinforced pultrusion or composite profiles, and are glued together at the contact surfaces.
  • FIG Fig. 7 Another embodiment of a mast 70 according to the invention is shown in FIG Fig. 7 shown in cross section.
  • the mast 70 consists of three profiles 72, 74, 76, each with a different cross section.
  • the profile 72 has a rectangular tube-shaped cross-section and is additionally provided with integrally connected guide rails 78.
  • the profile 74 has an I-shaped cross-section.
  • the profile 76 has a rectangular tube-shaped cross section with smooth outer walls.
  • the profiles 72, 74, 76 are glued together at their respective contact surfaces and, for example, each formed as a fiber-reinforced pultrusion or composite profiles.
  • FIG Fig. 8 Another embodiment of a mast 80 according to the invention is shown in FIG Fig. 8 shown in cross section.
  • the mast 80 has a support strut 82, which consists of a plastic Pultrusionsprofil 84.
  • a reinforcing structure 86 also has, opposite the support strut 82, a plastic pultrusion profile 88, which is constructed identically to the profile 84.
  • the two profiles 84, 88 are interconnected by means of plates 90, 92, which can be constructed as sandwich components.
  • the profiles 84 and 88 are identical. This is not mandatory, but on the support strut 82 remote from the back of the mast can also be used to profile 84 different Pultrusionsprofil.
  • FIG Fig. 9 Another embodiment of a mast 100 according to the invention is shown in FIG Fig. 9 shown in cross section.
  • the mast 100 has a mast 80 of the Fig. 8 identically formed support strut 82.
  • a reinforcing structure 102 of the mast 100 is constructed differently from the mast 80.
  • the reinforcement structure 102 has, on the rear side of the mast 100 opposite the support strut 82, the profile 88 which is identical to the profile 84 of the support strut 82 and is produced as a plastic pultrusion profile.
  • the two profiles 84, 88 are connected together in the mast 100 by means of a truss structure, which consists in the illustrated embodiment of a plurality of truss-like interconnected plastic pipes 104, 106.
  • the plastic tubes 104 connect the profiles 84, 88 and are aligned perpendicular to the front sides of these profiles 84, 88.
  • the plastic tubes 106 are each arranged diagonally.
  • the entire reinforcing structure 14, 86, 102 may be implemented as a truss structure.
  • a mast could then, for example, from the profile 84, see Fig. 9 and a truss structure attached to this profile 84.
  • the individual tubes of the truss structure are advantageously made of fiber-reinforced plastics or aluminum.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Description

Die Erfindung betrifft einen Mast für ein Regalbediengerät, wobei der Mast eine Tragstrebe und eine mit der Tragstrebe verbundene Verstärkungsstruktur aufweist, wobei die Tragstrebe wenigstens eine Führungsschiene für das Regalbediengerät aufweist, wobei die Tragstrebe als Kunststoff-, Faserverbund- oder Sandwichbauteil ausgebildet ist und wobei die Tragstrebe in den Bereichen, die Laufbahnen für Rollen des Regalbediengeräts bilden, verstärkt ist.The invention relates to a mast for a stacker crane, wherein the mast comprises a support strut and a reinforcing structure connected to the support strut, wherein the support strut has at least one guide rail for the stacker crane, wherein the support strut is formed as a plastic, fiber composite or sandwich component and wherein the Support strut in the areas that form tracks for roles of the storage and retrieval device, is reinforced.

Regalbediengeräte werden in Hochregallagern eingesetzt und sind in Höhenrichtung an einem Mast verfahrbar, um auf Lagergut zugreifen zu können, das auf unterschiedlichen Höhenebenen des Hochregallagers eingelagert ist. Der Mast selbst ist innerhalb einer Lagergasse verfahrbar. Problematisch bei sehr hohen Masten oder hohen Beschleunigungen der Masten ist, dass die Masten nach dem Beschleunigen oder Abbremsen nachpendeln, wobei ein Abklingen der Pendelbewegung vor einem sicheren Zugriff in das Hochregallager abgewartet werden muss. Neben dieser Pendelbewegung ist auch der für den Betrieb des Hochregallagers erforderliche Energieaufwand von Bedeutung. Je leichter ein Mast gebaut werden kann, desto geringer ist die zu beschleunigende und abzubremsende Masse und desto geringer ist auch die hierfür aufzuwendende Energie.Storage and Retrieval Systems are used in high-bay warehouses and can be moved in the vertical direction on a mast in order to access stored goods, which is stored at different heights of the high-bay warehouse. The mast itself can be moved within a warehouse lane. The problem with very high masts or high accelerations of the masts is that the masts nachpendeln after accelerating or decelerating, with a decay of the pendulum motion must be awaited before a secure access to the high-bay warehouse. In addition to this pendulum movement is also for the operation of the high-bay warehouse required energy expenditure of importance. The easier a mast can be built, the lower the mass to be accelerated and decelerated, and the lower the energy required for this purpose.

Aus der japanischen Patentzusammenfassung JP 2009 109 855 ist ein Mast für ein Regalbediengerät bekannt, bei dem eine Tragstrebe und eine mit der Tragstrebe verbundene Verstärkungsstruktur vorgesehen sind. Die Tragstrebe bildet eine Führungsschiene und Laufbahnen für Rollen eines Regalbediengeräts. Die Tragstrebe ist als Kunststoffteil ausgebildet und kann durch Integrieren von Verstärkungsstreifen im Bereich der Laufbahnen verstärkt werden.From the Japanese Patent Abstract JP 2009 109 855 a mast for a storage and retrieval device is known, in which a support strut and a reinforcing structure connected to the support strut are provided. The support strut forms a guide rail and raceways for roles of a stacker crane. The support strut is designed as a plastic part and can be reinforced by integrating reinforcing strips in the region of the raceways.

Aus der deutschen Offenlegungsschrift DE 102 34 036 A1 ist ein Mast für ein Regalbediengerät bekannt, der aus Eckprofilen aus faserverstärktem Kunststoff und in diese eingeklebte Sandwichplatten aufgebaut ist. Die Eckprofile bilden Laufbahnen für Rollen des Regalbediengeräts. Der Mast ist von unten nach oben verjüngt.From the German patent application DE 102 34 036 A1 a mast for a storage and retrieval unit is known, which is composed of corner profiles made of fiber-reinforced plastic and glued in these sandwich panels. The corner profiles form tracks for rollers of the stacker crane. The mast is tapered from bottom to top.

Aus der japanischen Patentzusammenfassung JP 2009 120298 ist ein Mast für ein Regalbediengerät bekannt, der rohrförmig ausgebildet ist und aus kohlefaserverstärktem Kunststoff ausgebildet ist. Rollen der Mast der weist Bereiche auf, die als Laufbahnen für Rollen eines Regalbediengeräts dienen.From the Japanese Patent Abstract JP 2009 120298 a mast for a storage and retrieval device is known, which is tubular and formed of carbon fiber reinforced plastic. Rolling the mast has areas that serve as raceways for roles of a stacker crane.

Aus der deutschen Offenlegungsschrift DE 198 04 854 A1 ist ein Mast für ein Regalbediengerät bekannt, der aus zwei stranggepressten Leichtmetallprofilen aufgebaut ist.From the German patent application DE 198 04 854 A1 is known a mast for a storage and retrieval unit, which is composed of two extruded light metal profiles.

Mit der Erfindung soll ein verbesserter Mast für ein Regalbediengerät bereitgestellt werden.With the invention, an improved mast for a stacker crane is to be provided.

Erfindungsgemäß ist hierzu ein Mast für ein Regalbediengerät vorgesehen, bei dem die Tragstrebe in den Bereichen, die Laufbahnen für Rollen des Regalbediengeräts bilden, mittels aufgesteckter Profile aus druckfestem Material verstärkt ist und bei dem die Profile als Blechbiegeteile oder Metallstranggussprofile ausgebildet sind.According to the invention for this purpose, a mast for a stacker crane is provided, in which the support strut in the areas that form tracks for roles of the stacker crane, by means of plugged profiles of pressure-resistant material is reinforced and in which the profiles are formed as sheet metal parts or metal cast extrusions.

Erfindungsgemäß ist somit eine Aufteilung des Mastes in eine Tragstrebe und eine Verstärkungsstruktur vorgesehen. Die Tragstrebe bildet durch das Vorsehen von wenigstens einer Führungsschiene eine funktionserweiterte Zug-/Druckstrebe. Von dem Regalbediengerät werden dadurch Kräfte lediglich im Bereich der Tragstrebe auf den Mast übertragen. Die Verstärkungsstruktur dient dahingegen lediglich zur Verstärkung des Mastes und kann an die zu erfüllenden Randbedingungen angepasst werden. Die Erfindung stellt dadurch einen modular aufgebauten Mast zur Verfügung, der beispielsweise angepasst an die Anforderungen in Baukastenweise erstellt werden kann. Die Tragstrebe dient als Zug-/Druckstrebe und gleichzeitig als Rollbahn für Rollen des Regalbediengeräts. Die Gestaltung der Verstärkungsstruktur ist weitgehend frei und kann beispielsweise als Gitterstruktur, in Kunststoff-Verbundbauweise, aus Aluminium oder dergleichen ausgeführt werden. Je nach den zu erfüllenden Randbedingungen, beispielsweise Höhe des Mastes, Traglasten, Zugriffszeiten und damit Beschleunigungen des Mastes, kann eine identische Tragstrebe mit unterschiedlichen Verstärkungsstrukturen kombiniert werden, um die jeweiligen Randbedingungen optimal zu erfüllen.According to the invention a division of the mast is thus provided in a support strut and a reinforcing structure. By providing at least one guide rail, the support strut forms a functionally extended tension / compression strut. From the storage and retrieval unit thereby forces are transmitted only in the area of the support strut on the mast. By contrast, the reinforcing structure merely serves to reinforce the mast and can be adapted to the boundary conditions to be met. The invention provides a modular mast available that can be created, for example, adapted to the requirements in modular way. The support strut serves as a tension / compression strut and at the same time as a runway for rollers of the stacker crane. The design of the reinforcing structure is largely free and can be carried out, for example, as a lattice structure, in composite plastic construction, made of aluminum or the like. Depending on the boundary conditions to be met, for example the height of the mast, payloads, access times and thus accelerations of the mast, an identical support strut can be combined with different reinforcement structures in order to optimally fulfill the respective boundary conditions.

Indem die Tragstrebe als Kunststoff-, Faserverbund- oder Sandwichbauteil ausgebildet ist, lassen sich hochfeste und gleichzeitig leichte Tragstreben ausbilden, insbesondere bei Verwendung von faserverstärkten Kunststoffbauteilen.By the support strut is formed as a plastic, fiber composite or sandwich component, can be high-strength and at the same time lightweight support struts form, especially when using fiber-reinforced plastic components.

Indem die Tragstrebe im Bereich der Laufbahnen mit aufgesetzten Profilen aus druckfestem Material verstärkt ist, kann beispielsweise ein vergleichsweise druckempfindliches Profil als Tragstrebe eingesetzt werden und lediglich in den Bereichen der Laufbahnen mittels aufgesetzter Profile verstärkt werden. Für den Aufbau des erfindungsgemäßen Mastes können dadurch erstmalig druckempfindliche Materialien, wie beispielsweise Kunststoff-Sandwichbauteile, eingesetzt werden.By the support strut is reinforced in the region of the raceways with attached profiles of pressure-resistant material, for example, a relatively pressure-sensitive profile can be used as a support strut and reinforced only in the areas of the raceways by means of attached profiles. For the construction of the mast according to the invention thereby pressure-sensitive materials such as plastic sandwich components can be used for the first time.

Die Profile sind als Blechbiegeteile oder Metallstranggussprofile ausgebildet. Die Profile sind beispielsweise mittels Klipsen, Widerhaken, Schrauben und/oder Klebstoff an der Tragstrebe befestigt.The profiles are designed as sheet-metal bent parts or metal continuous cast profiles. The profiles are attached, for example by means of clips, barbs, screws and / or adhesive to the support strut.

Auf diese Weise lässt sich die Tragstrebe konstruktiv einfach ausbilden und die Festigkeitsanforderungen an die Tragstrebe in ihrer Funktion als Zug-/Druckstrebe sowie an die Laufbahnen in Bezug auf Druckfestigkeit und Verschleißfestigkeit können optimal erfüllt werden.In this way, the support strut can be constructively simple form and the strength requirements of the support strut in their function as a tension / compression strut and on the raceways in terms of pressure resistance and wear resistance can be optimally met.

In Weiterbildung der Erfindung ist die Tragstrebe als in einem Strangpress-, Strangzieh-, Wickel- oder Pultrusionsverfahren ausgebildetes Kunststoffprofil ausgebildet.In a further development of the invention, the support strut is formed as formed in an extrusion, Strangzieh-, winding or Pultrusionsverfahren plastic profile.

Beispielsweise können faserverstärkte Kunststoffbauteile verwendet werden, insbesondere Pultrusionsprofile. Die Tragstrebe ist vorteilhafterweise als aus einem Faserverbundmaterial bestehendes Kunststoffprofil ausgebildet.For example, fiber-reinforced plastic components can be used, in particular pultrusion profiles. The support strut is advantageously designed as consisting of a fiber composite material existing plastic profile.

In Weiterbildung der Erfindung weist die Verstärkungsstruktur wenigstens ein in einem Strangpress-, Strangzieh-, Wickel- oder Pultrusionsverfahren ausgebildetes Kunststoffprofil auf.In a development of the invention, the reinforcing structure has at least one plastic profile formed in an extrusion, pultrusion, winding or pultrusion process.

Beispielsweise kann der Mast aus einer Tragstrebe an der Vorderseite, die als Pultrusionsprofil ausgebildet ist, und einer Verstärkungsstruktur bestehen, die ebenfalls ein an der Rückseite des Mastes angeordnetes Pultrusionsprofil aufweist. Die beiden Pultrusionsprofile, die nicht notwendigerweise identisch aufgebaut sein müssen, können dann beispielsweise mittels Platten oder einer Fachwerkkonstruktion miteinander verbunden werden. Die Verstärkungsstruktur weist vorteilhafterweise ein aus einem Faserverbundmaterial bestehendes Kunststoffprofil auf.For example, the mast can consist of a support strut on the front, which is designed as a pultrusion profile, and a reinforcing structure, which likewise has a pultrusion profile arranged on the rear side of the mast. The two pultrusion profiles, which do not necessarily have to be identically constructed, can then be connected to one another, for example, by means of plates or a truss structure. The reinforcing structure advantageously has a plastic profile consisting of a fiber composite material.

In Weiterbildung der Erfindung besteht die Verstärkungsstruktur aus mehreren miteinander verbundenen Profilen, die sich in Längsrichtung des Mastes gesehen unterschiedlich weit erstrecken.In a further development of the invention, the reinforcing structure consists of a plurality of interconnected profiles that extend as far as seen in the longitudinal direction of the mast.

Auf diese Weise kann eine sich verjüngende Struktur des Mastes auf besonders einfache Weise hergestellt werden. Erforderlich sind hierzu keine sich verjüngenden Spezialprofile, wie sie beispielsweise bei Segelbooten als Masten verwendet werden, sondern es werden kostengünstige Standardprofile mit konstantem Querschnitt für den Aufbau des Mastes verwendet.In this way, a tapered structure of the mast can be made in a particularly simple manner. Required for this are no tapered special profiles, as used for example in sailboats as masts, but there are low-cost standard profiles with a constant cross-section used for the construction of the mast.

In Weiterbildung der Erfindung besteht die Verstärkungsstruktur aus mehreren, im Wesentlichen gleichartigen Profilen.In a further development of the invention, the reinforcing structure consists of a plurality of substantially similar profiles.

Mehrere gleichartige Profile erstrecken sich dann unterschiedlich weit in Längsrichtung des Mastes. Im unteren Bereich sind dann beispielsweise drei miteinander verklebte oder in sonstiger geeigneter Weise verbundene Profile vorgesehen, während an der Mastspitze beispielsweise nur noch ein Profil vorgesehen ist. Der Mast ist dadurch an seinem Fußende besonders stabil, um dort die hohen auftretenden Kräfte aufnehmen zu können. Im Bereich der Mastspitze ist der Mast dahingegen besonders leicht ausgeführt, so dass eine Pendelbewegung und auch das Gesamtgewicht des Mastes gering gehalten werden.Several similar profiles then extend differently far in the longitudinal direction of the mast. In the lower area, for example, three profiles glued together or connected in any other suitable manner are provided, while at the top of the mast, for example, only one profile is provided. The mast is thereby at its foot end particularly stable, in order to be able to absorb the high forces occurring there. In contrast, in the area of the mast top, the mast is made particularly light, so that a pendulum movement and also the total weight of the mast are kept low.

In Weiterbildung der Erfindung besteht die Tragstrebe aus wenigstens einem ersten, sich über einen gesamten Verfahrbereich des Regalbediengeräts ersteckenden Profil mit an dem Profil angeordneter Führungsschiene.In a development of the invention, the support strut consists of at least one first profile extending over an entire travel range of the stacker crane with a guide rail arranged on the profile.

Auf diese Weise kann die Tragstrebe in besonders einfacher Weise hergestellt werden, indem ein Profil mit Führungsschienen versehen wird, beispielsweise Leisten mit rechteckförmigem Querschnitt, die an ein Rohrprofil angeklebt werden oder mit dem Profil mittels Schrauben verbunden werden.In this way, the support strut can be made in a particularly simple manner by a profile is provided with guide rails, for example strips with rectangular cross-section, which are glued to a pipe profile or connected to the profile by means of screws.

In Weiterbildung der Erfindung besteht die Tragstrebe aus wenigstens zwei nebeneinander angeordneten Profilen mit im Wesentlichen gleichen Querschnitt, die sich über den gesamten Verfahrbereich des Regalbediengeräts erstrecken.In a further development of the invention, the support strut consists of at least two juxtaposed profiles with substantially the same cross section, which extend over the entire travel range of the stacker crane.

Auf diese Weise kann eine besonders stabile Tragstrebe vorgesehen werden und es ist auch möglich, die Tragstrebe selbst, je nach den gestellten Randbedingungen, unterschiedlich auszubilden. Beispielsweise werden für hohe Maximallasten auf dem Regalbediengerät mehrere gleichartige Profile miteinander verbunden, die sich jeweils über den gesamten Verfahrbereich des Regalbediengeräts erstrecken, um eine sehr stabile Tragstrebe zu bilden. Bei nur kleinen Maximallasten auf dem Regalbediengerät kann es dann ausreichend sein, lediglich eines der Profile an der Tragstrebe vorzusehen.In this way, a particularly stable support strut can be provided and it is also possible, the support strut itself, depending on the set boundary conditions, form different. For example, for high maximum loads on the storage and retrieval unit several similar profiles are connected to each other, each extending over the entire range of movement of the storage and retrieval device to form a very stable support strut. With only small maximum loads on the storage and retrieval unit, it may then be sufficient to provide only one of the profiles on the support strut.

In Weiterbildung der Erfindung sind die Tragstrebe und die Verstärkungsstruktur aus Profilen mit im Wesentlichen gleichem Querschnitt gebildet.In a further development of the invention, the support strut and the reinforcing structure are formed from profiles with substantially the same cross-section.

Auf diese Weise kann ein und derselbe Profilquerschnitt für den Aufbau des Mastes verwendet werden. Im Bereich der Tragstrebe wird das sich dann über den gesamten Verfahrbereich des Regalbediengeräts erstreckende Profil mit zusätzlichen Führungsschienen versehen, wohingegen im Bereich der Verstärkungsstruktur des Mastes sich nicht notwendigerweise alle Profile über die gesamte Mastlänge erstrecken müssen. Es ist selbstverständlich auch möglich, ein Profil, das bereits mit Führungsschienen versehen ist, auch für die Verstärkungsstruktur zu verwenden. Die Führungsschienen sind dann auch im Bereich der Verstärkungsstruktur vorhanden, werden aber nicht als solche genutzt und tragen beispielsweise lediglich zu einer weiteren Versteifung der Verstärkungsstruktur bei.In this way one and the same profile cross-section can be used for the construction of the mast. In the area of the support strut, the profile which then extends over the entire travel range of the storage and retrieval unit is provided with additional guide rails, whereas in the area of the reinforcing structure of the mast not necessarily all profiles must extend over the entire mast length. It is of course also possible to use a profile which is already provided with guide rails, for the reinforcing structure. The guide rails are then also present in the area of the reinforcing structure, but are not used as such and contribute, for example, only to a further stiffening of the reinforcing structure.

In Weiterbildung der Erfindung ist die Verstärkungsstruktur mittels einer Fachwerkkonstruktion ausgebildet.In a further development of the invention, the reinforcing structure is formed by means of a truss structure.

Mittels einer Fachwerkkonstruktion lassen sich hochfeste und dabei leichte Verstärkungsstrukturen ausbilden. Da die Tragstrebe erfindungsgemäß als Zug-/Druckstrebe und gleichzeitig als Rollbahn für Rollen des Regalbediengeräts dient, ist die Gestaltung der Verstärkungsstruktur weitgehend frei. Die Fachwerkkonstruktion kann unterschiedlich ausgebildet sein, um bei identischen Tragstreben Masten für unterschiedliche Randbedingungen aufzubauen.By means of a framework construction, high-strength and thereby lightweight reinforcement structures can be formed. Since the support strut according to the invention serves as a tension / compression strut and at the same time as a runway for roles of the stacker crane, the design of the reinforcing structure is largely free. The truss structure can be designed differently to build masts for different boundary conditions with identical support struts.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der nachfolgenden Beschreibung bevorzugter Ausführungsformen der Erfindung im Zusammenhang mit den Zeichnungen. Einzelmerkmale der unterschiedlichen dargestellten und beschriebenenFurther features and advantages of the invention will become apparent from the claims and the following description of preferred embodiments of the invention in conjunction with the drawings. Individual features of the different illustrated and described

Ausführungsformen können dabei in beliebiger Weise miteinander kombiniert werden, ohne den Rahmen der Erfindung zu überschreiten. In den Zeichnungen zeigen:

Fig. 1
einen Querschnitt durch einen erfindungsgemäßen Mast ge- mäß einer ersten Ausführungsform,
Fig. 2
einen Querschnitt durch einen erfindungsgemäßen Mast ge- mäß einer zweiten bevorzugten Ausführungsform,
Fig. 3
eine vergrößerte Darstellung der Einzelheit III aus Fig. 2,
Fig. 4
einen Querschnitt durch einen erfindungsgemäßen Mast ge- mäß einer dritten bevorzugten Ausführungsform,
Fig. 5
eine Seitenansicht eines erfindungsgemäßen Mastes gemäß einer vierten bevorzugten Ausführungsform,
Fig. 6
einen Querschnitt durch den Mast der Fig. 5 entlang der Schnittebene VI-VI,
Fig. 7
einen Querschnitt durch einen erfindungsgemäßen Mast ge- mäß einer fünften bevorzugten Ausführungsform,
Fig. 8
einen Querschnitt durch einen erfindungsgemäßen Mast ge- mäß einer sechsten bevorzugten Ausführungsform und
Fig. 9
einen Querschnitt durch einen erfindungsgemäßen Mast ge- mäß einer siebten bevorzugten Ausführungsform.
In this case, embodiments can be combined with one another in any desired way, without exceeding the scope of the invention. In the drawings show:
Fig. 1
a cross section through a mast according to the invention according to a first embodiment,
Fig. 2
a cross section through a mast according to the invention according to a second preferred embodiment,
Fig. 3
an enlarged view of the detail III Fig. 2 .
Fig. 4
a cross section through a mast according to the invention according to a third preferred embodiment,
Fig. 5
a side view of a mast according to the invention according to a fourth preferred embodiment,
Fig. 6
a cross section through the mast of Fig. 5 along the cutting plane VI-VI,
Fig. 7
a cross section through a mast according to the invention according to a fifth preferred embodiment,
Fig. 8
a cross section through a mast according to the invention according to a sixth preferred embodiment and
Fig. 9
a cross section through a mast according to a seventh preferred embodiment according to the invention.

Die Darstellung der Fig. 1 zeigt einen Querschnitt durch einen erfindungsgemäßen Mast 10. Der Mast 10 weist eine Tragstrebe 12 und eine Verstärkungsstruktur 14 auf. Die Tragstrebe 12 ist allgemein plattenförmig und an ihrer, der Verstärkungsstruktur 14 abgewandten Vorderseite mit einer Führungsschiene 16 versehen. Ein nicht dargestelltes Regalbediengerät kann sich mit geeigneten Rollen an der Führungsschiene 16 sowie zusätzlich an der Vorder- und/oder Rückseite der freien Enden 18 der Tragstrebe 12 abstützen.The presentation of the Fig. 1 shows a cross section through a mast 10 according to the invention. The mast 10 has a support strut 12 and a Reinforcement structure 14 on. The support strut 12 is generally plate-shaped and provided at its, the reinforcing structure 14 facing away from the front side with a guide rail 16. An unillustrated storage and retrieval unit can be supported with suitable rollers on the guide rail 16 and in addition to the front and / or back of the free ends 18 of the support strut 12.

Auf ihrer, der Führungsschiene 16 abgewandten Rückseite ist die Tragstrebe 12 mit Einsteckrinnen 20 versehen, die sich über die gesamte Länge der Tragstrebe 12 erstrecken. Die Rinnen 20 sind in Bezug auf die freien Enden 18 der Tragstrebe 12 eingerückt, so dass ein Regalbediengerät die Tragstrebe 12 an deren freien Enden 18 umfassen kann. In die Rinnen 20 wird die im Querschnitt U-förmige Verstärkungsstruktur 14 eingesteckt und in geeigneter Weise befestigt. Die Tragstrebe 12 kann beispielsweise als Aluminiumstrangpressprofil oder auch als faserverstärktes Kunststoff-Pultrusionsprofil ausgebildet sein. Die Verstärkungsstruktur 14 kann als Sandwichbauteil aufgebaut sein. Auf diese Weise wird ein sehr stabiler und dabei leichtgewichtiger Mast erhalten.On its, the guide rail 16 facing away from the support strut 12 is provided with Einsteckrinnen 20, which extend over the entire length of the support strut 12. The grooves 20 are indented with respect to the free ends 18 of the support strut 12 so that a stacker crane may include the support strut 12 at the free ends 18 thereof. In the grooves 20, the cross-sectionally U-shaped reinforcing structure 14 is inserted and secured in a suitable manner. The support strut 12 may be formed, for example, as an aluminum extruded profile or as a fiber-reinforced plastic Pultrusionsprofil. The reinforcing structure 14 may be constructed as a sandwich component. In this way, a very stable and thereby lightweight mast is obtained.

Die Zweiteilung des erfindungsgemäßen Mastes 10 in eine Tragstrebe 12 und eine Verstärkungsstruktur 14 ermöglicht es, den Aufbau des Mastes 10 auf die jeweiligen Randbedingungen abzustimmen. Die Tragstrebe 12 wird beispielsweise für unterschiedliche zu hebende Lasten und unterschiedliche Längen des Mastes verwendet. Bei hohen zu tragenden Lasten wird aber die Verstärkungsstruktur 14 steifer und tragfähiger ausgeführt. Auch ist es beispielsweise möglich, Masten, mit denen keine hohen Beschleunigungen gefahren werden müssen, mit einer schwereren aber kostengünstigeren Verstärkungsstruktur 14 zu versehen. Umgekehrt wird die Verstärkungsstruktur 14 bei hohen zu erwartenden Beschleunigungen sehr steif und leichtgewichtig ausgeführt.The division of the mast 10 according to the invention into a support strut 12 and a reinforcing structure 14 makes it possible to match the structure of the mast 10 to the respective boundary conditions. The support strut 12 is used for example for different loads to be lifted and different lengths of the mast. At high loads to be supported but the reinforcing structure 14 is made stiffer and more sustainable. It is also possible, for example, masts with which no high accelerations must be driven to provide a heavier but less expensive reinforcing structure 14. Conversely, the reinforcing structure 14 is made very stiff and lightweight at high expected accelerations.

Der erfindungsgemäße Mast 10 ist dadurch modular aufgebaut und nach Art eines Baukastensystems kann der Aufbau des Mastes 10 an unterschiedliche, zu erfüllende Randbedingungen angepasst werden.The mast 10 according to the invention is thus constructed modularly and in the manner of a modular system, the structure of the mast 10 can be adapted to different boundary conditions to be met.

Die Darstellung der Fig. 2 zeigt den Querschnitt eines weiteren erfindungsgemäßen Mastes 22. Eine Tragstrebe 24 ist dabei im Bereich ihrer freien Enden 26 mit Verstärkungsprofilen 28 versehen. Die Tragstrebe 24 ist plattenförmig ausgebildet und ein nicht dargestelltes Regalbediengerät rollt lediglich im Bereich der Verstärkungsprofile 28 auf der Tragstrebe 24 ab. Die Verstärkungsprofile 28 auf den freien Enden 26 bilden Führungsschienen für ein Regalbediengerät. Eine Verstärkungsstruktur 30 ist U-förmig ausgebildet und mit der Rückseite der Tragstrebe 24 verbunden.The presentation of the Fig. 2 shows the cross section of another mast 22 according to the invention. A support strut 24 is provided in the region of its free ends 26 with reinforcing profiles 28. The support strut 24 is plate-shaped and an unillustrated storage and retrieval unit rolls only in the region of the reinforcement profiles 28 on the support strut 24 from. The reinforcing profiles 28 on the free ends 26 form guide rails for a storage and retrieval unit. A reinforcing structure 30 is U-shaped and connected to the back of the support strut 24.

Wie in Fig. 3 zu erkennen ist, sind die Verstärkungsprofile 28 U-förmig ausgebildet und auf die freien Enden 26 der Tragstrebe 24 aufgeschoben. Die Verstärkungsprofile 28 sind beispielsweise als Blechbiegeteile ausgebildet.As in Fig. 3 can be seen, the reinforcing profiles 28 are U-shaped and pushed onto the free ends 26 of the support strut 24. The reinforcing profiles 28 are formed for example as sheet metal bent parts.

An den Innenseiten der freien Enden der beiden Schenkel der U-förmigen Verstärkungsprofile 28 sind jeweils mehrere in Richtung auf die Tragstrebe 24 abragende keilförmige Vorsprünge 32 vorgesehen. Diese keilförmigen Vorsprünge 32 haben die Funktion von Widerhaken und sorgen für einen sicheren Halt der Verstärkungsprofile 28 im aufgeschobenen Zustand.On the inner sides of the free ends of the two legs of the U-shaped reinforcing profiles 28 a plurality of projecting in the direction of the support strut 24 wedge-shaped projections 32 are respectively provided. These wedge-shaped projections 32 have the function of barbs and ensure a secure hold of the reinforcing profiles 28 in the pushed state.

Durch Vorsehen der Verstärkungsprofile 28 ist es möglich, für die Tragstrebe 24 ein zwar für die Aufnahme von Zug- und Druckkräften innerhalb des Querschnitts der Tragstrebe 24 gut geeignetes Material zu verwenden, beispielsweise ein Kunststoff-Sandwich-Material, das aber in Bezug auf Druckkräfte auf seine Oberfläche empfindlich ist und auf dessen Oberfläche die Rollen eines Regalbediengerätes nicht unmittelbar abrollen könnten, ohne dort auf Dauer Beschädigungen hervorzurufen. Die Rollen des Regalbediengerätes laufen nun ausschließlich auf den Verstärkungsprofilen 28 ab, die aus sehr druckfestem Material bestehen. Dadurch ergibt sich die Möglichkeit, die Tragstrebe 24 sehr leicht auszuführen und dennoch Beschädigungen durch den Dauerbetrieb eines Regalbediengerätes zu verhindern.By providing the reinforcing profiles 28, it is possible to use for the support strut 24, although a well suited for the absorption of tensile and compressive forces within the cross section of the support strut 24 well suited material, such as a plastic sandwich material, but with respect to compressive forces Its surface is sensitive and on the surface of the roles of a stacker crane not directly could roll without causing permanent damage there. The roles of the stacker crane now run exclusively on the reinforcing profiles 28, which consist of very pressure-resistant material. This results in the possibility of performing the support strut 24 very easily and yet to prevent damage from the continuous operation of a stacker crane.

Die Darstellung der Fig. 4 zeigt einen Querschnitt durch eine weitere Ausführungsform eines erfindungsgemäßen Mastes 34. Der Mast 34 weist eine Tragstrebe 36 auf, die zwei miteinander verklebte Profile 38, 40 mit identischem Querschnitt aufweist. An die in Fig. 4 rechts bzw. links angeordneten Seitenflächen der Profile 38, 40 ist jeweils eine Führungsschiene 42 angeklebt.The presentation of the Fig. 4 shows a cross section through a further embodiment of a mast 34 according to the invention. The mast 34 has a support strut 36 which has two profiles 38, 40 glued together with identical cross-section. To the in Fig. 4 Right and left arranged side surfaces of the profiles 38, 40, respectively, a guide rail 42 is glued.

Die Profile 38, 40 weisen im Bereich ihrer Seitenwände unterschiedliche Wandstärken auf. So sind die seitlichen Außenwände der Profile 38, 40 sowie die Vorderflächen mit doppelter Wandstärke ausgeführt, die innen liegenden Seitenflächen und die Hinterflächen sind jeweils mit einfacher Wandstärke ausgeführt. Wie Fig. 4 zu entnehmen ist, liegen die Profile 38, 40 mit ihren inneren Seitenflächen aneinander an und sind in diesem Bereich miteinander verklebt, so dass sich eine innen liegende Strebe 44 mit doppelter Wandstärke ergibt.The profiles 38, 40 have different wall thicknesses in the region of their side walls. Thus, the lateral outer walls of the profiles 38, 40 and the front surfaces are made with double wall thickness, the inner side surfaces and the rear surfaces are each designed with a simple wall thickness. As Fig. 4 can be seen, lie the profiles 38, 40 with their inner side surfaces to each other and are glued together in this area, so that there is an inner strut 44 with double wall thickness.

Eine Verstärkungsstruktur 46 besteht ebenfalls aus zwei Profilen 48, 50 mit identischem Querschnitt, wobei der Querschnitt aller Profile 38, 40, 48, 50 identisch ist. Die Profile 38, 40, 48, 50 sind so angeordnet, dass die jeweils außen liegenden Wände die doppelte Wandstärke aufweisen und die innen liegenden Wände die einfache Wandstärke. Wie Fig. 4 zu entnehmen ist, liegen die Profile 38, 40, 48, 50 mit den Wänden, die lediglich die einfache Wandstärke aufweisen, immer an einem benachbarten Profil an, so dass im Innenraum des Mastes 34 insgesamt vier Verstärkungsstreben 44, 52, 54 und 56 gebildet sind, die jeweils die doppelte Wandstärke aufweisen.A reinforcing structure 46 also consists of two profiles 48, 50 with identical cross section, the cross section of all profiles 38, 40, 48, 50 being identical. The profiles 38, 40, 48, 50 are arranged so that the respective outer walls have twice the wall thickness and the inner walls of the simple wall thickness. As Fig. 4 can be seen, lie the profiles 38, 40, 48, 50 with the walls, which have only the simple wall thickness, always on an adjacent profile, so that in the interior of the mast 34 a total of four reinforcing struts 44, 52, 54 and 56 are formed, each having twice the wall thickness.

Die Profile 48, 50 in der Verstärkungsstruktur 46 erstrecken sich nicht über die gesamte Länge des Mastes. Im unteren Bereich des Mastes , der in Fig. 4 geschnitten dargestellt ist, stehen dadurch die vier Profile 38, 40, 48, 50 zur Aufnahme von Kräften zur Verfügung. In einem oberen Bereich des Mastes 34 sind dann lediglich noch die Profile 36, 40 vorhanden. Da die im oberen Bereich auftretenden Kräfte am Mast 34 aber geringer sind als im unteren Bereich des Mastes 34, kann dadurch Material und Gewicht beim Aufbau des Mastes 34 eingespart werden.The profiles 48, 50 in the reinforcing structure 46 do not extend over the entire length of the mast. In the lower part of the mast, in Fig. 4 is shown cut, thereby standing the four profiles 38, 40, 48, 50 for receiving forces available. In an upper region of the mast 34 then only the profiles 36, 40 are present. Since the forces occurring in the upper region on the mast 34 but are less than in the lower region of the mast 34, thereby material and weight can be saved in the construction of the mast 34.

Die Darstellung der Fig. 5 zeigt eine Seitenansicht einer weiteren bevorzugten Ausführungsform eines Mastes 60. Der Mast 60 besteht in seinem unteren Bereich aus drei hintereinander angeordneten rohrförmigen Profilen 62, 64 und 66, die sich jeweils unterschiedlich weit in Längsrichtung des Mastes 60 erstrecken. Das Profil 66 erstreckt sich lediglich bis etwa auf ein Drittel der Gesamtlänge des Mastes 60, das mittlere Profil 64 erstreckt sich bis auf eine Höhe von etwa zwei Drittel der Länge des Mastes 60 und das Profil 62 erstreckt sich über die gesamte Länge des Mastes 60. Das Profil 62 ist seitlich mit angeklebten Führungsschienen 68 versehen, auf denen Laufrollen eines Regalbediengerätes abrollen können und die sich, wie das Profil 62, über die gesamte Länge des Mastes und damit auch über den gesamten Verfahrbereich eines Regalbediengeräts am Mast 60 erstrecken. Ist das Regalbediengerät am obersten Ende des Mastes 62 angeordnet, so treten die größten Kräfte im Fußbereich des Mastes auf. Im Fußbereich des Mastes besteht dieser aus den drei nebeneinander angeordneten Profilen 62, 64, 66 und kann dadurch die auftretenden Kräfte aufnehmen. Im oberen Bereich des Mastes und im mittleren Bereich des Mastes treten geringere Kräfte auf, so dass dort das Profil 62 bzw. das Profil 64 zur sicheren Aufnahme der auftretenden Kräfte genügt. Gegenüber einem Mast mit über seiner Länge konstanten Querschnitt kann der erfindungsgemäße Mast 60 dadurch Material sparend und leichtgewichtig aufgebaut werden.The presentation of the Fig. 5 shows a side view of another preferred embodiment of a mast 60. The mast 60 consists in its lower part of three consecutively arranged tubular profiles 62, 64 and 66, each extending differently far in the longitudinal direction of the mast 60. The profile 66 extends only to about one third of the total length of the mast 60, the middle profile 64 extends to a height of about two-thirds of the length of the mast 60 and the profile 62 extends over the entire length of the mast 60th The profile 62 is laterally provided with glued guide rails 68 on which rollers of a stacker crane can roll and which, like the profile 62, extend over the entire length of the mast and thus over the entire travel range of a stacker crane on the mast 60. If the storage and retrieval unit is arranged at the top end of the mast 62, then the greatest forces occur in the foot area of the mast. In the foot of the mast this consists of the three adjacent profiles 62, 64, 66 and can thereby absorb the forces occurring. In the upper region of the mast and in the middle region of the mast, lower forces occur, so that there the profile 62 or the profile 64 suffices for the reliable absorption of the occurring forces. Opposite a mast with over his Length constant cross-section of the mast 60 according to the invention can be constructed thereby saving material and lightweight.

Die Darstellung der Fig. 6 zeigt eine Ansicht auf die Schnittebene VI-VI der Fig. 5. Zu erkennen ist, dass die Profile 62, 64, 66 einen identischen, rechteckrohrförmigen Querschnitt mit an allen Seiten konstanter Wandstärke aufweisen. Das Profil 62 ist an seinen seitlichen Außenwänden mit den Führungsschienen 68 versehen. Die Profile 62, 64, 66 bestehen aus Kunststoffmaterial, beispielsweise faserverstärkten Pultrusions- oder Compositeprofilen, und sind an den Kontaktflächen miteinander verklebt.The presentation of the Fig. 6 shows a view on the section plane VI-VI of the Fig. 5 , It can be seen that the profiles 62, 64, 66 have an identical, rectangular tubular cross-section with constant wall thickness on all sides. The profile 62 is provided on its lateral outer walls with the guide rails 68. The profiles 62, 64, 66 are made of plastic material, such as fiber-reinforced pultrusion or composite profiles, and are glued together at the contact surfaces.

Eine weitere Ausführungsform eines erfindungsgemäßen Mastes 70 ist in Fig. 7 im Querschnitt dargestellt. Der Mast 70 besteht aus drei Profilen 72, 74, 76 mit jeweils unterschiedlichem Querschnitt. Das Profil 72 weist einen rechteckrohrförmigen Querschnitt auf und ist zusätzlich mit einstückig angebundenen Führungsschienen 78 versehen. Das Profil 74 weist einen I-förmigen Querschnitt auf. Das Profil 76 weist einen rechteckrohrförmigen Querschnitt mit glatten Außenwänden auf. Die Profile 72, 74, 76 sind an ihren jeweiligen Kontaktflächen miteinander verklebt und beispielsweise jeweils als faserverstärkte Pultrusions- oder Compositeprofile ausgebildet.Another embodiment of a mast 70 according to the invention is shown in FIG Fig. 7 shown in cross section. The mast 70 consists of three profiles 72, 74, 76, each with a different cross section. The profile 72 has a rectangular tube-shaped cross-section and is additionally provided with integrally connected guide rails 78. The profile 74 has an I-shaped cross-section. The profile 76 has a rectangular tube-shaped cross section with smooth outer walls. The profiles 72, 74, 76 are glued together at their respective contact surfaces and, for example, each formed as a fiber-reinforced pultrusion or composite profiles.

Eine weitere Ausführungsform eines erfindungsgemäßen Mastes 80 ist in Fig. 8 im Querschnitt dargestellt. Der Mast 80 weist eine Tragstrebe 82 auf, die aus einem Kunststoff-Pultrusionsprofil 84 besteht. Eine Verstärkungsstruktur 86 weist gegenüberliegend der Tragstrebe 82 ebenfalls ein Kunststoff-Pultrusionsprofil 88 auf, das identisch zum Profil 84 aufgebaut ist. Die beiden Profile 84, 88 sind mittels Platten 90, 92 miteinander verbunden, die als Sandwichbauteile aufgebaut sein können. Bei der dargestellten Ausführungsform sind die Profile 84 und 88 identisch ausgebildet. Dies ist nicht zwingend, sondern auf der der Tragstrebe 82 abgewandten Rückseite des Mastes kann auch ein zum Profil 84 verschiedenes Pultrusionsprofil eingesetzt werden.Another embodiment of a mast 80 according to the invention is shown in FIG Fig. 8 shown in cross section. The mast 80 has a support strut 82, which consists of a plastic Pultrusionsprofil 84. A reinforcing structure 86 also has, opposite the support strut 82, a plastic pultrusion profile 88, which is constructed identically to the profile 84. The two profiles 84, 88 are interconnected by means of plates 90, 92, which can be constructed as sandwich components. In the illustrated embodiment, the profiles 84 and 88 are identical. This is not mandatory, but on the support strut 82 remote from the back of the mast can also be used to profile 84 different Pultrusionsprofil.

Eine weitere Ausführungsform eines erfindungsgemäßen Mastes 100 ist in Fig. 9 im Querschnitt dargestellt. Der Mast 100 weist eine zum Mast 80 der Fig. 8 identisch ausgebildete Tragstrebe 82 auf. Eine Verstärkungsstruktur 102 des Mastes 100 ist gegenüber dem Mast 80 aber unterschiedlich aufgebaut.Another embodiment of a mast 100 according to the invention is shown in FIG Fig. 9 shown in cross section. The mast 100 has a mast 80 of the Fig. 8 identically formed support strut 82. However, a reinforcing structure 102 of the mast 100 is constructed differently from the mast 80.

Die Verstärkungsstruktur 102 weist auf der, der Tragstrebe 82 gegenüberliegenden Rückseite des Mastes 100 das Profil 88 auf, das identisch zum Profil 84 der Tragstrebe 82 ausgebildet und als Kunststoff-Pultrusionsprofil hergestellt ist. Die beiden Profile 84, 88 werden bei dem Mast 100 aber mittels einer Fachwerkstruktur miteinander verbunden, die bei der dargestellten Ausführungsform aus mehreren fachwerkartig miteinander verbundenen Kunststoffrohren 104, 106 besteht. Die Kunststoffrohre 104 verbinden die Profile 84, 88 und sind senkrecht zu den Vorderseiten dieser Profile 84, 88 ausgerichtet. Die Kunststoffrohre 106 sind jeweils diagonal angeordnet. Durch Vorsehen einer Fachwerkstruktur können sehr leichtgewichtige und dabei stabile Masten aufgebaut werden. Je nach zu erwartendem Lastfall kann die Fachwerkstruktur dann unterschiedlich ausgebildet werden.The reinforcement structure 102 has, on the rear side of the mast 100 opposite the support strut 82, the profile 88 which is identical to the profile 84 of the support strut 82 and is produced as a plastic pultrusion profile. However, the two profiles 84, 88 are connected together in the mast 100 by means of a truss structure, which consists in the illustrated embodiment of a plurality of truss-like interconnected plastic pipes 104, 106. The plastic tubes 104 connect the profiles 84, 88 and are aligned perpendicular to the front sides of these profiles 84, 88. The plastic tubes 106 are each arranged diagonally. By providing a truss structure very lightweight and yet stable masts can be built. Depending on the expected load case, the truss structure can then be formed differently.

Alternativ kann die gesamte Verstärkungsstruktur 14, 86, 102 als Fachwerkstruktur ausgeführt werden. Ein Mast könnte dann beispielsweise aus dem Profil 84, siehe Fig. 9, und einer an dieses Profil 84 angesetzten Fachwerkstruktur bestehen. Die einzelnen Rohre der Fachwerkstruktur sind vorteilhafterweise aus faserverstärkten Kunststoffen oder Aluminium ausgeführt.Alternatively, the entire reinforcing structure 14, 86, 102 may be implemented as a truss structure. A mast could then, for example, from the profile 84, see Fig. 9 and a truss structure attached to this profile 84. The individual tubes of the truss structure are advantageously made of fiber-reinforced plastics or aluminum.

Claims (10)

  1. Mast for a storage/retrieval unit, where the mast (10, 22; 34; 60; 70) has a support strut (12; 24; 36) and a reinforcing structure (14; 30; 46) connected to said support strut (12; 24; 36), where the support strut (12; 24; 36) has at least one guide rail (16; 42; 68; 78) for the storage/retrieval unit, where the support strut (12; 24) is designed as a plastic, fiber-composite or sandwich construction, where the support strut (24) is reinforced in the areas forming tracks for rollers of the storage/retrieval unit, where the support strut (24) is reinforced in the areas forming tracks for rollers of the storage/retrieval unit by means of attached sections (28) of pressure-resistant material, characterized in that the sections (28) are formed as bent sheet-metal parts or continuous cast metal sections.
  2. Mast according to Claim 1, characterized in that the sections (28) are fastened to the support strut by means of clips, hooked tips, screws and/or adhesive.
  3. Mast according to one of the preceding claims, characterized in that the support strut (36) has at least one fiber-reinforced plastic section (38, 40; 62; 72) formed in an extrusion, extrusion moulding, winding or pultrusion process.
  4. Mast according to Claim 3, characterized in that the reinforcing structure has at least one fiber-reinforced plastic section formed in an extrusion, extrusion moulding, winding or pultrusion process.
  5. Mast according to one of the preceding claims, characterized in that the reinforcing structure (46) consists of several sections (48, 50; 64, 66) connected to one another and extending to differing distances when viewed in the longitudinal direction of the mast.
  6. Mast according to Claim 5, characterized in that the reinforcing structure consists of several substantially similar sections (48, 50; 64, 66).
  7. Mast according to Claim 5 or 6, characterized in that the support strut (12; 36) consists of at least a first section (38, 40; 62; 72) extending over an entire traverse range of the storage/retrieval unit with a guide rail (16; 42; 68; 78) arranged on said section (38, 40; 62; 72).
  8. Mast according to Claim 7, characterized in that the support strut consists of at least two sections (38, 40) arranged next to one another with substantially identical cross-section and extending over the entire traverse range of the storage/retrieval unit.
  9. Mast according to Claim 7 or 8, characterized in that the support strut and the reinforcing structure are formed from sections (62, 64, 66) with substantially identical cross-section.
  10. Mast according to one of the preceding claims, characterized in that the reinforcing structure is formed by a lattice structure.
EP10188738A 2009-10-29 2010-10-25 Mast for a stacker crane Not-in-force EP2316780B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10188738T PL2316780T3 (en) 2009-10-29 2010-10-25 Mast for a stacker crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009051846A DE102009051846A1 (en) 2009-10-29 2009-10-29 Mast for a stacker crane

Publications (2)

Publication Number Publication Date
EP2316780A1 EP2316780A1 (en) 2011-05-04
EP2316780B1 true EP2316780B1 (en) 2013-01-16

Family

ID=43514247

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10188738A Not-in-force EP2316780B1 (en) 2009-10-29 2010-10-25 Mast for a stacker crane

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US (1) US20110100943A1 (en)
EP (1) EP2316780B1 (en)
DE (1) DE102009051846A1 (en)
DK (1) DK2316780T3 (en)
ES (1) ES2402885T3 (en)
PL (1) PL2316780T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012000197A1 (en) * 2012-01-09 2013-07-11 Gebhardt Fördertechnik GmbH Shelf control device for receiving/discharging goods in/from storage facilities, has mast device that is formed from frame structure having prefabricated rod profiles which are made of composite material and are connected by gussets
DE202013009998U1 (en) 2013-11-02 2013-11-20 Peter Pfannenstiel Storage and retrieval unit
DE102015008506A1 (en) 2015-07-03 2017-01-05 Gebhardt Fördertechnik GmbH Machine device that tends to oscillate from a pulse-shaped drive load, in particular storage and retrieval unit, production machine, robot, crane or the like, and method for operating such a device
DE102021206764A1 (en) 2021-06-29 2022-12-29 Gebhardt Fördertechnik GmbH stacker crane

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1428887A (en) * 1921-08-01 1922-09-12 New Jersey Foundry & Machine C Portable crane
FR1256677A (en) * 1960-02-12 1961-03-24 Device for mounting mast cranes formed from superimposed elements
DE1556550A1 (en) * 1968-01-17 1970-04-30 Demag Zug Gmbh Load control column
DE2606074C2 (en) * 1976-02-16 1985-04-25 Inventio Ag, Hergiswil, Nidwalden Metal mast for storage vehicles
JP2569435B2 (en) * 1994-01-24 1997-01-08 株式会社ダイフク Single post type traveling crane
DE19631511A1 (en) * 1995-09-04 1997-04-03 Wuestenberg Dieter Prof Dr Ing Lightweight mast for hoist giving access to storage shelves
DE19804854C2 (en) * 1998-01-30 2001-05-17 Mannesmann Ag Mast for a handling device, in particular a storage and retrieval machine
DE20221443U1 (en) * 2002-07-26 2005-12-01 Schoen & Sandt Maschinenbau Gmbh Support for automatic rising-shelf unit for small parts used in e.g. automobile industry, comprises non-metallic composites with fiber-reinforced plastic corner profiles
DE102006016984A1 (en) * 2006-04-06 2007-10-18 Winkel Gmbh Pallet shaped material e.g. pallet, lifting device support for e.g. pallet storage, has cover plate connected with sides of U-profile , where cover plate and guide rails are connected by lock screws or rivet joints with U-profile
JP2008074541A (en) * 2006-09-21 2008-04-03 Murata Mach Ltd Lifting device
JP5321872B2 (en) * 2007-11-13 2013-10-23 株式会社ダイフク Stacker crane
JP2009190855A (en) * 2008-02-15 2009-08-27 Murata Mach Ltd Stacker crane
AT508172B1 (en) * 2009-04-15 2012-09-15 Tgw Mechanics Gmbh HANDLING DEVICE AND MAST HEREfor
DE102011001518A1 (en) * 2011-03-24 2012-09-27 Dematic Gmbh Storage and retrieval unit

Also Published As

Publication number Publication date
DE102009051846A1 (en) 2011-05-05
ES2402885T3 (en) 2013-05-10
PL2316780T3 (en) 2013-06-28
DK2316780T3 (en) 2013-04-29
US20110100943A1 (en) 2011-05-05
EP2316780A1 (en) 2011-05-04

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