EP2316780A1 - Mast for a stacker crane - Google Patents
Mast for a stacker crane Download PDFInfo
- Publication number
- EP2316780A1 EP2316780A1 EP10188738A EP10188738A EP2316780A1 EP 2316780 A1 EP2316780 A1 EP 2316780A1 EP 10188738 A EP10188738 A EP 10188738A EP 10188738 A EP10188738 A EP 10188738A EP 2316780 A1 EP2316780 A1 EP 2316780A1
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- EP
- European Patent Office
- Prior art keywords
- mast
- support strut
- profiles
- reinforcing structure
- profile
- 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.)
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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.
- 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.
- the energy required for the operation of the high-bay warehouse is also important. 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.
- an improved mast for a stacker crane is to be provided.
- a mast for a stacker crane for this purpose, in which the mast has 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.
- 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.
- the support strut in the areas that form tracks for roles of the stacker crane, reinforced by means of patch profiles of pressure-resistant material.
- 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 formed 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 storage and retrieval unit.
- 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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Abstract
Description
Die Erfindung betrifft einen Mast für ein Regalbediengerät.The invention relates to a mast for a stacker crane.
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, the energy required for the operation of the high-bay warehouse is also important. 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.
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 der Mast eine Tragstrebe und eine mit der Tragstrebe verbundene Verstärkungsstruktur aufweist, wobei die Tragstrebe wenigstens eine Führungsschiene für das Regalbediengerät aufweist.According to the invention, a mast for a stacker crane is provided for this purpose, in which the mast has 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.
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.
In Weiterbildung der Erfindung ist die Tragstrebe als Kunststoff-, Faserverbund- oder Sandwichbauteil ausgebildet.In a further development of the invention, the support strut is formed as a plastic, fiber composite or sandwich component.
Auf diese Weise lassen sich hochfeste und gleichzeitig leichte Tragstreben ausbilden, insbesondere bei Verwendung von faserverstärkten Kunststoffbauteilen.In this way, high-strength and at the same time lightweight support struts can be formed, in particular when using fiber-reinforced plastic components.
In Weiterbildung der Erfindung ist die Tragstrebe in den Bereichen, die Laufbahnen für Rollen des Regalbediengeräts bilden, mittels aufgesetzter Profile aus druckfestem Material verstärkt.In a further development of the invention, the support strut in the areas that form tracks for roles of the stacker crane, reinforced by means of patch profiles of pressure-resistant material.
Auf diese Weise 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.In this way, 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.
In Weiterbildung der Erfindung sind die Profile als Blechbiegeteile oder Metallstranggussprofile ausgebildet. Die Profile sind beispielsweise mittels Klipsen, Widerhaken, Schrauben und/oder Klebstoff an der Tragstrebe befestigt.In a further development of the invention, the profiles are formed 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 storage and retrieval unit.
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.
- 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
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
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
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
Wie in
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
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
Die Darstellung der
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
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
Die Profile 48, 50 in der Verstärkungsstruktur 46 erstrecken sich nicht über die gesamte Länge des Mastes. Im unteren Bereich des Mastes , der in
Die Darstellung der
Die Darstellung der
Eine weitere Ausführungsform eines erfindungsgemäßen Mastes 70 ist in
Eine weitere Ausführungsform eines erfindungsgemäßen Mastes 80 ist in
Eine weitere Ausführungsform eines erfindungsgemäßen Mastes 100 ist in
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
Alternativ kann die gesamte Verstärkungsstruktur 14, 86, 102 als Fachwerkstruktur ausgeführt werden. Ein Mast könnte dann beispielsweise aus dem Profil 84, siehe
Claims (12)
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 true EP2316780A1 (en) | 2011-05-04 |
EP2316780B1 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 |
Country Status (6)
Country | Link |
---|---|
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)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Citations (6)
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JPH07179202A (en) * | 1994-01-24 | 1995-07-18 | Daifuku Co Ltd | Single post type traveling crane |
DE19804854A1 (en) * | 1998-01-30 | 1999-08-12 | Mannesmann Ag | Mast for handling apparatus, particularly shelf servicing apparatus |
DE10234036A1 (en) * | 2002-07-26 | 2004-02-05 | 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 |
JP2008074541A (en) * | 2006-09-21 | 2008-04-03 | Murata Mach Ltd | Lifting device |
JP2009120298A (en) * | 2007-11-13 | 2009-06-04 | Daifuku Co Ltd | Stacker crane |
JP2009190855A (en) * | 2008-02-15 | 2009-08-27 | Murata Mach Ltd | Stacker crane |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
DE19631511A1 (en) * | 1995-09-04 | 1997-04-03 | Wuestenberg Dieter Prof Dr Ing | Lightweight mast for hoist giving access to storage shelves |
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 |
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 |
-
2009
- 2009-10-29 DE DE102009051846A patent/DE102009051846A1/en not_active Withdrawn
-
2010
- 2010-10-25 ES ES10188738T patent/ES2402885T3/en active Active
- 2010-10-25 PL PL10188738T patent/PL2316780T3/en unknown
- 2010-10-25 DK DK10188738.8T patent/DK2316780T3/en active
- 2010-10-25 EP EP10188738A patent/EP2316780B1/en not_active Not-in-force
- 2010-10-28 US US12/925,733 patent/US20110100943A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07179202A (en) * | 1994-01-24 | 1995-07-18 | Daifuku Co Ltd | Single post type traveling crane |
DE19804854A1 (en) * | 1998-01-30 | 1999-08-12 | Mannesmann Ag | Mast for handling apparatus, particularly shelf servicing apparatus |
DE10234036A1 (en) * | 2002-07-26 | 2004-02-05 | 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 |
JP2008074541A (en) * | 2006-09-21 | 2008-04-03 | Murata Mach Ltd | Lifting device |
JP2009120298A (en) * | 2007-11-13 | 2009-06-04 | Daifuku Co Ltd | Stacker crane |
JP2009190855A (en) * | 2008-02-15 | 2009-08-27 | Murata Mach Ltd | Stacker crane |
Also Published As
Publication number | Publication date |
---|---|
US20110100943A1 (en) | 2011-05-05 |
DK2316780T3 (en) | 2013-04-29 |
ES2402885T3 (en) | 2013-05-10 |
EP2316780B1 (en) | 2013-01-16 |
DE102009051846A1 (en) | 2011-05-05 |
PL2316780T3 (en) | 2013-06-28 |
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