EP2507158B1 - Guide rail for storage and retrieval machines - Google Patents
Guide rail for storage and retrieval machines Download PDFInfo
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- EP2507158B1 EP2507158B1 EP10788018.9A EP10788018A EP2507158B1 EP 2507158 B1 EP2507158 B1 EP 2507158B1 EP 10788018 A EP10788018 A EP 10788018A EP 2507158 B1 EP2507158 B1 EP 2507158B1
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- European Patent Office
- Prior art keywords
- hollow profile
- rail
- sections
- hollow
- section
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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 guide rail for a movable in a storage lane of a high-bay warehouse storage and retrieval unit, which is composed of their cutting edges flush abutting rail sections of a profile and is held in the upper part of the storage lane on fasteners parallel to the direction of travel of the stacker crane, the rail pieces firmly connected are.
- RBG stacker cranes
- An RBG is an industrial truck which is a ground-based, on or along a rail movable conveyor within storage lanes, which allows mainly a horizontal and a vertical in-house transport of loads.
- the stacker crane consists essentially of a bottom-mounted chassis, a mast, a hoist and a switching device for operating control of the storage and retrieval unit.
- the mast is additionally guided on guide rails in the upper region of the storage lane (roof area), which have guide surfaces extending in the direction of travel of the stacker crane for corresponding guide rollers.
- Such a guide rail can be designed, for example, in the form of a double-T-profile, a U-profile or another profile made of steel.
- the guide rail must provide lateral guide surfaces for the guide rollers.
- the rail pieces to create smooth transitions in the joint area frontally connected by welds and the welds are subsequently smoothed by grinding.
- a disadvantage of the welded joint is that it inevitably always represents a sensitive and vulnerable connection point of the guide rails, but nevertheless is exposed to high loads.
- For storage and retrieval units with their units usually move along three axes, namely in the longitudinal direction (drive unit), in the vertical direction (lifting unit) and in the transverse direction to the storage lane.
- the stacker cranes In a high-bay warehouse, which can hold about 40 000 pallets and have a hall height of up to 40m, the stacker cranes always return a correspondingly long way and depending on the severity of the goods to be transported within the high-bay warehouse different loads and requirements.
- Welding thus represents a major weak point in the connection of the rail pieces to a continuous guide rail.
- An apparatus according to the preamble of claim 1 is in document DE202008007955U disclosed.
- the invention has for its object to provide a long term safe and easy replaceable connection for juxtaposed rail pieces of a guide rail, which also provides a smooth transition for the guide rollers of the stacker crane in the joint area of the individual rail pieces.
- the rail pieces are formed as hollow sections and connected to each other in the joint area via a core element inserted into the respective mutually facing hollow profile ends.
- the core element is inserted so far into a first of two hollow profile rail sections to be joined until approximately half the length of the core element projects beyond the front end of the first hollow section rail section to the outside.
- the second hollow-profile rail piece is pushed over the core element until the end-side cut edges of the first and the second hollow-profile rail piece abut one another.
- an internal reinforcement in the sensitive joint area of the rail pieces is achieved and increased in this area, in particular the stability of the lateral guide surfaces of the hollow section rail pieces. Disturbing edges or the like, as caused by welds, can no longer occur, because the hollow profile rail pieces can be connected without affecting the lateral guide surfaces in a simple manner with the core element by screws, from above and / or from below, thus at least not in the area the guide surfaces, can be introduced by appropriately aligned holes.
- the core element consists of two wedge-shaped sections, which are arranged with mutually opposite inclined surfaces abutting each other in the hollow profile rail sections.
- connection of the two wedge-shaped sections of the core element on the one hand with each other and on the other hand with the hollow profile rail pieces according to the invention is characterized in that the inner tops of the hollow profile rail pieces facing wedge-shaped portion both in the region of a hollow-rail section and his in the other hollow section Rail section submerged portion is provided with at least one vertical through-hole, while the inner undersides the hollow profile rail pieces facing wedge-shaped portion is formed with lying to the through holes in alignment screw threads and about both sections are screwed by means of top side holes of the hollow profile rail pieces threaded screws against the inner tops of the hollow section rail pieces.
- the two wedge-shaped sections move relative to each other and align with fixed contact with the inner wall of the hollow profile rail pieces. They thus form, in the composite, by the hollow profile rail sections exactly centered core or reinforcing element for the hollow sections in the joint area.
- an embodiment of the invention provides that the cut edges of the hollow profile rail pieces in the joint area in each case at an angle not equal to 90 ° to the longitudinal axis of the rail pieces.
- the two in the sense of a miter cut obliquely extending front ends or surfaces of the hollow profile rail pieces can thus push or set form-fitting together.
- the thus achieved oblique joint between two interconnected via the core element hollow-profile rail pieces causes a better power distribution and conduction in the joint area, as is the case with formed vertically aligned abutting cut edges hollow profiles.
- Fig. 1 are two hollow profile rail sections 1, 2 shown. From a plurality of longitudinally juxtaposed hollow profile rail sections 1, 2 guide rails for a not shown here storage and retrieval device ("RBG") are assembled a high-bay warehouse. The guide rails are arranged in the upper area (roof area) of a high-bay warehouse or its storage aisles.
- the hollow-profile rail pieces 1, 2 and the guide rails formed therefrom have, in the direction of travel of the stacker crane running, lateral guide surfaces 3, 4 for corresponding guide rollers of the stacker crane.
- an unclaimed one-piece core element 5 can be provided, which is inserted into the cavity of the first, hollow-section rail section 1 and projects beyond its frontal end 6 to the outside.
- the other, second hollow section rail piece 2 is pushed with its front end 7 to bear against the hollow profile rail section 1 on the core element 5.
- Fig. 1 and 2 Like that Fig. 1 and 2 can be seen, the front ends 6, 7 and thus the joints of the hollow section rail pieces 1, 2 are cut at an angle of 45 ° to the longitudinal axis of the rail sections 1, 2 or to the direction of travel of the stacker crane.
- the cutting edge of the hollow profile rail pieces 1, 2, which coincides with the front ends 6, 7, is in Fig. 2 provided with the reference numeral 8.
- the cutting edge profile at the top or bottom 9, 10 of the rail pieces 1, 2, which limits the joint area 11 in the longitudinal direction, is provided with the reference numerals 12, 13.
- the two hollow profile rail sections 1, 2 and the connecting core element 5 are additionally fixed by screws.
- two threaded screws 14, which are guided through holes from the upper side 9 of the rail section 1 and two from the lower side 10 of the rail section 2 are screwed into screw threads provided correspondingly in the core element 5 (cf. Fig. 2 ).
- Fig. 2 and 4 also two through-bolts 15 are used, which through corresponding holes in the top 9 of the Rail section 2, passed through in the core element 5 and in the bottom 10 of the rail section 1 and screwed by means of screw nuts 16 against the bottom 10 of the rail section 1.
- FIGS. 5 and 6 an embodiment according to the invention of the hollow profile rail sections 1, 2 in the joint area 11 connecting core element is shown.
- the core element 17 in this case consists of two wedge-shaped sections 18, 19, which are arranged with mutually opposite inclined surfaces 20, 21 abutting each other in the hollow section rail pieces 1, 2.
- the screw provided for screwing 27 are passed through holes 28 in the top 9 of the hollow profile rail sections 1, 2 and the through holes 24 and screwed into the screw 26.
- the core member 17 When tightening the threaded screws 27, the core member 17 is fixed against the inner tops 22 of the hollow section rail pieces 1, 2, wherein the sections 18, 19 relative to each other via their opposing inclined surfaces 20, 21 relative to each other and in the height and width within the hollow section -Schienen réellee 1, 2 with rich system on the inner wall surfaces of the hollow section rail pieces 1, 2 align.
Description
Die Erfindung betrifft eine Führungsschiene für ein in einer Lagergasse eines Hochregallagers verfahrbares Regalbediengerät, die sich aus mit ihren Schnittkanten fluchtend aneinander stoßenden Schienenstücken eines Profils zusammensetzt und im oberen Bereich der Lagergasse über Befestigungselemente parallel zur Fahrtrichtung des Regalbediengerätes gehalten ist, wobei die Schienenstücke fest miteinander verbunden sind.The invention relates to a guide rail for a movable in a storage lane of a high-bay warehouse storage and retrieval unit, which is composed of their cutting edges flush abutting rail sections of a profile and is held in the upper part of the storage lane on fasteners parallel to the direction of travel of the stacker crane, the rail pieces firmly connected are.
Solche Regalbediengeräte ("RBG") sind als schienengeführte Fahrzeuge zur Bedienung von Waren in einem Hochregallager im Stand der Technik hinlänglich bekannt. Ein RBG ist ein Flurförderfahrzeug, welches ein bodengebundenes, auf bzw. entlang einer Schiene verfahrbares Fördermittel innerhalb von Lagergassen darstellt, das hauptsächlich einen horizontalen und einen vertikalen innerbetrieblichen Transport von Lasten ermöglicht. Das Regalbediengerät besteht im wesentlichen aus einem bodenseitigen Fahrwerk, einem Mast, einem Hubwerk und einer Schalteinrichtung zur Betriebssteuerung des Regalbediengerätes.Such stacker cranes ("RBG") are well known as rail-guided vehicles for operating goods in a high-bay warehouse in the prior art. An RBG is an industrial truck which is a ground-based, on or along a rail movable conveyor within storage lanes, which allows mainly a horizontal and a vertical in-house transport of loads. The stacker crane consists essentially of a bottom-mounted chassis, a mast, a hoist and a switching device for operating control of the storage and retrieval unit.
Wegen des ausgeprägten Schlankheitsgrades derartiger Regalbediengeräte wird der Mast zusätzlich an Führungsschienen im oberen Bereich der Lagergasse (Dachbereich) geführt, die in Fahrtrichtung des Regalbediengerätes verlaufende Führungsflächen für entsprechende Führungsrollen aufweisen.Because of the pronounced slenderness of such storage and retrieval equipment, the mast is additionally guided on guide rails in the upper region of the storage lane (roof area), which have guide surfaces extending in the direction of travel of the stacker crane for corresponding guide rollers.
Eine solche Führungsschiene kann beispielsweise in Form eines Doppel-T-Profils, eines U-Profils oder eines anderen aus Stahl gefertigten Profils ausgebildet sein.Such a guide rail can be designed, for example, in the form of a double-T-profile, a U-profile or another profile made of steel.
In jedem Falle muss die Führungsschiene seitliche Führungsflächen für die Führungsrollen bereitstellen.In any case, the guide rail must provide lateral guide surfaces for the guide rollers.
Bedingt durch die große Länge der Führungsschienen werden diese üblicherweise auf der Baustelle aus einer Vielzahl von einzelnen Schienenstücken zusammengesetzt.Due to the great length of the guide rails, these are usually assembled on the construction site from a plurality of individual rail pieces.
Bei der Montage der Führungsschienen unter dem Hallendachbereich bzw. in der erforderlichen Höhe werden die Schienenstücke zur Schaffung glatter Übergänge im Stoßstellenbereich stirnseitig über Schweißnähte miteinander verbunden und die Schweißnähte durch Schleifen nachträglich geglättet.When mounting the guide rails under the hall roof area or in the required height, the rail pieces to create smooth transitions in the joint area frontally connected by welds and the welds are subsequently smoothed by grinding.
Nachteilig bei der Schweißverbindung ist, dass diese unvermeidlich immer eine sensible und anfällige Verbindungsstelle der Führungsschienen darstellt, gleichwohl aber hohen Belastungen ausgesetzt ist. Denn Regalbediengeräte mit ihren Einheiten bewegen sich üblicherweise entlang drei Achsen, nämlich in Längsrichtung (Fahreinheit), in vertikaler Richtung (Hubeinheit) und in Querrichtung zur Lagergasse. Bei einem Hochregallager, das ca. 40 000 Paletten aufnehmen und eine Hallenhöhe von bis zu 40m aufweisen kann, legen die Regalbediengeräte immer einen entsprechend langen Weg zurück und sind je nach Schwere der innerhalb des Hochregallagers zu transportierenden Waren unterschiedlichen Belastungen und Anforderungen ausgesetzt.A disadvantage of the welded joint is that it inevitably always represents a sensitive and vulnerable connection point of the guide rails, but nevertheless is exposed to high loads. For storage and retrieval units with their units usually move along three axes, namely in the longitudinal direction (drive unit), in the vertical direction (lifting unit) and in the transverse direction to the storage lane. In a high-bay warehouse, which can hold about 40 000 pallets and have a hall height of up to 40m, the stacker cranes always return a correspondingly long way and depending on the severity of the goods to be transported within the high-bay warehouse different loads and requirements.
Hierbei wirken verschieden große dynamische Kräfte in unterschiedlichen Zeitintervallen auf jedes einzelne Bauteil eines Regalbediengerätes. Ein Teil dieser Kräfte wird dabei über die Führungsrollen auch auf die Führungsschienen übertragen, so dass an den sensiblen Verbindungen, nämlich den Schweißnähten zwischen den Schienenstücken, auf Dauer Schäden bzw. Unebenheiten hervorgerufen werden.Different dynamic forces act at different time intervals on each individual component of a stacker crane. Some of these forces are transmitted via the guide rollers on the guide rails, so that at the sensitive joints, namely the welds between the rail sections, permanent damage or bumps are caused.
Sind die Schweißnähte aufgrund der Einwirkungen der Kräfte / Belastungen nicht mehr bündig, sondern werfen beispielsweise Kanten auf, wird der Fahrweg der Regalbediengeräte in Längsrichtung beeinträchtigt, wodurch es in der Folge zu Störungen im gesamten Bewegungsablauf des Regalbediengerätes kommen kann. Um dieses Probleme zu beheben, war bisher ein Austausch der Führungsschienen unumgänglich.Are the welds due to the effects of forces / loads no longer flush, but throw, for example, edges, the travel of the stacker cranes is impaired in the longitudinal direction, which can lead to disturbances in the entire sequence of movement of the storage and retrieval unit as a result. In order to solve this problem, replacement of the guide rails was previously unavoidable.
Das Schweißen stellt somit eine große Schwachstelle bei der Verbindung der Schienenstücke zu einer durchgehenden Führungsschiene dar. Zum einen erfordert es einen zusätzlichen Arbeitsgang bei der Montage der einzelnen Schienenstücke unter dem Hallendach und zum anderen ist ein Austausch der beschädigten oder nicht mehr funktionsfähigen Führungsschienen bzw. Schienenstücke mit einem erheblichen Arbeitsaufwand und gleichermaßen großen Kostenaufwand verbunden.Welding thus represents a major weak point in the connection of the rail pieces to a continuous guide rail. First, it requires an additional operation in the assembly of the individual rail pieces under the hall roof and on the other hand is an exchange of damaged or no longer functional guide rails or rail pieces associated with a considerable amount of work and equally large cost.
Eine Vorrichtung gemäß dem Oberbegriff des Anspruchs 1 ist in Dokument
Der Erfindung liegt die Aufgabe zugrunde, eine langfristig sichere und einfach austauschbare Verbindung für aneinander gesetzte Schienenstücke einer Führungsschiene zu schaffen, die zudem im Stoßstellenbereich der einzelnen Schienenstücke einen glatten Übergang für die Führungsrollen des Regalbediengerätes bereit stellt.The invention has for its object to provide a long term safe and easy replaceable connection for juxtaposed rail pieces of a guide rail, which also provides a smooth transition for the guide rollers of the stacker crane in the joint area of the individual rail pieces.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Schienenstücke als Hohlprofile ausgebildet und im Stoßstellenbereich über ein in die jeweils einander zugewandten Hohlprofilenden eingesetztes Kernelement miteinander verbunden sind. Das Kernelement wird dabei so weit in ein erstes von zwei zu verbindenden Hohlprofil-Schienenstücken eingeschoben, bis in etwa die halbe Länge des Kernelements über das Stirnende des ersten Hohlprofil-Schienenstücks nach außen vorkragt. Anschließend wird das zweite Hohlprofil-Schienenstück über das Kernelement geschoben, bis die stirnseitigen Schnittkanten des ersten und des zweiten Hohlprofil-Schienenstücks aneinanderstoßen.This object is achieved in that the rail pieces are formed as hollow sections and connected to each other in the joint area via a core element inserted into the respective mutually facing hollow profile ends. The core element is inserted so far into a first of two hollow profile rail sections to be joined until approximately half the length of the core element projects beyond the front end of the first hollow section rail section to the outside. Subsequently, the second hollow-profile rail piece is pushed over the core element until the end-side cut edges of the first and the second hollow-profile rail piece abut one another.
Durch das formschlüssig von den Hohlprofil-Schienenstücken eingehauste Kernelement wird eine innen liegende Verstärkung im sensiblen Stoßstellenbereich der Schienenstücke erreicht und in diesem Bereich insbesondere die Stabilität der seitlichen Führungsflächen der Hohlprofil-Schienenstücke erhöht. Störkanten oder dergleichen, wie hervorgerufen durch Schweißnähte, können nicht mehr auftreten, denn die Hohlprofil-Schienenstücke lassen sich ohne Beeinträchtigung der seitlichen Führungsflächen in einfacher Weise mit dem Kernelement durch Schrauben verbinden, die von oben und/oder von unten, somit jedenfalls nicht im Bereich der Führungsflächen, durch entsprechend fluchtende Bohrungen eingebracht werden können.Through the form-fitting of the hollow-profile rail pieces housed core element an internal reinforcement in the sensitive joint area of the rail pieces is achieved and increased in this area, in particular the stability of the lateral guide surfaces of the hollow section rail pieces. Disturbing edges or the like, as caused by welds, can no longer occur, because the hollow profile rail pieces can be connected without affecting the lateral guide surfaces in a simple manner with the core element by screws, from above and / or from below, thus at least not in the area the guide surfaces, can be introduced by appropriately aligned holes.
Gemäß der Erfindung besteht das Kernelement aus zwei keilförmigen Teilstücken, die mit gegensinnig zueinander verlaufenden Schrägflächen aneinander liegend in den Hohlprofil-Schienenstücken angeordnet sind. Dadurch, dass die Schrägflächen der beiden Teilstücke gegensinnig zueinander ausgebildet sind, lassen sich die Teilstücke innerhalb der Hohlprofile in entgegengesetzter Richtung verschieben. Somit wird unabhängig von Maßtoleranzen am Innenumfang der Hohlprofile eine formschlüssige, stabilisierende Anlage der Teilstücke an die Innenwände der seitlichen Führungsflächen und die innere Oberseite der Hohlprofil-Schienenstücke erreicht.According to the invention, the core element consists of two wedge-shaped sections, which are arranged with mutually opposite inclined surfaces abutting each other in the hollow profile rail sections. The fact that the inclined surfaces of the two sections are formed in opposite directions to each other, the sections can be moved within the hollow sections in the opposite direction. Thus, regardless of dimensional tolerances on the inner circumference of the hollow profiles a positive, stabilizing conditioning of the sections to the inner walls of the lateral guide surfaces and the inner top of the hollow profile rail pieces achieved.
Die Verbindung der beiden keilförmigen Teilstücke des Kernelements einerseits miteinander und andererseits mit den Hohlprofil-Schienenstücken erfolgt erfindungsgemäß dadurch, dass das den inneren Oberseiten der Hohlprofil-Schienenstücke zugewandte keilförmige Teilstück sowohl im Bereich seines in das eine Hohlprofil-Schienenstück als auch seines in das andere Hohlprofil-Schienenstück eintauchenden Teilstückabschnitts jeweils mit mindestens einer vertikalen Durchgangsbohrung versehen ist, während das den inneren Unterseiten der Hohlprofil-Schienenstücke zugewandte keilförmige Teilstück mit zu den Durchgangsbohrungen in Flucht liegenden Schraubgewinden ausgebildet ist und darüber beide Teilstücke mittels durch Oberseiten-Bohrungen der Hohlprofil-Schienenstücke gesteckten Gewindeschrauben gegen die inneren Oberseiten der Hohlprofil-Schienenstücke verschraubt sind.The connection of the two wedge-shaped sections of the core element on the one hand with each other and on the other hand with the hollow profile rail pieces according to the invention is characterized in that the inner tops of the hollow profile rail pieces facing wedge-shaped portion both in the region of a hollow-rail section and his in the other hollow section Rail section submerged portion is provided with at least one vertical through-hole, while the inner undersides the hollow profile rail pieces facing wedge-shaped portion is formed with lying to the through holes in alignment screw threads and about both sections are screwed by means of top side holes of the hollow profile rail pieces threaded screws against the inner tops of the hollow section rail pieces.
Durch Festziehen der Gewindeschrauben verschieben sich die beiden keilförmigen Teilstücke relativ gegeneinander und richten sich mit fester Anlage an die Innenwandung der Hohlprofil-Schienenstücke aus. Sie bilden somit, im Verbund, ein durch die Hohlprofil-Schienenstücke exakt zentriertes Kern- bzw. Verstärkungselement für die Hohlprofile im Stoßstellenbereich.By tightening the screws, the two wedge-shaped sections move relative to each other and align with fixed contact with the inner wall of the hollow profile rail pieces. They thus form, in the composite, by the hollow profile rail sections exactly centered core or reinforcing element for the hollow sections in the joint area.
Ferner sieht eine Ausgestaltung der Erfindung vor, dass die Schnittkanten der Hohlprofil-Schienenstücke im Stoßstellenbereich jeweils in einem Winkel ungleich 90° zur Längsachse der Schienenstücke stehen. Die beiden im Sinne eines Gehrungsschnitts schräg verlaufenden Stirnenden bzw. -flächen der Hohlprofil-Schienenstücke lassen sich somit formschlüssig aneinander schieben bzw. setzen. Der damit erreichte Schrägstoß zwischen zwei über das Kernelement miteinander verbundenen Hohlprofil-Schienenstücken bewirkt eine bessere Kraftverteilung und -leitung im Stoßstellenbereich, als dies bei mit senkrecht fluchtend aneinander stoßenden Schnittkanten ausgebildeten Hohlprofilen der Fall ist.Furthermore, an embodiment of the invention provides that the cut edges of the hollow profile rail pieces in the joint area in each case at an angle not equal to 90 ° to the longitudinal axis of the rail pieces. The two in the sense of a miter cut obliquely extending front ends or surfaces of the hollow profile rail pieces can thus push or set form-fitting together. The thus achieved oblique joint between two interconnected via the core element hollow-profile rail pieces causes a better power distribution and conduction in the joint area, as is the case with formed vertically aligned abutting cut edges hollow profiles.
Weitere Einzelheiten und Merkmale der Erfindung ergeben sich aus den Ansprüchen und der nachfolgenden Beschreibung, in der in den Zeichnungen dargestellte Ausführungsbeispiele der Erfindung näher erläutert sind. Es zeigen:
- Fig. 1
- in einer perspektivischen Darstellung die Enden von zwei HohlprofilSchienenstücken mit zur Schrägstoßverbindung stirnseitig ausgebildeten Schrägflächen, wobei in ein erstes Schienenstückende in dessen Hohlraum ein über die Schrägfläche nach vorne hinausragendes, einstückiges Kernelement eingesetzt ist;
- Fig. 2
- in einer Seitenansicht die beiden unter Einkammerung des Kernelementes bis zur Anlage mit Schrägstoß aneinander geschobenen HohlprofilSchienenstücke gemäß
Fig. 1 ; - Fig. 3
- in einer schematischen Längsansicht die Schrägstoß-Verbindung nach
Fig. 2 ; - Fig. 4
- die Schrägstoß-Schienenstückverbindung nach
Fig. 2 als Querschnitt im Bereich einer Verschraubung; - Fig. 5
- als Einzelheit ein mehrteiliges Kernelement, insbesondere zur Verbindung von mit Schrägstoß aneinander gesetzten Hohlprofil-Schienenstücken, das mit gegensinnig zueinander verlaufenden Schrägflächen ausgebildet ist; und
- Fig.6
- die Schienenstückverbindung mittels des mehrteiligen Kernelementes gemäß
Fig. 5 als Querschnitt im Bereich einer Verschraubung.
- Fig. 1
- in a perspective view of the ends of two hollow section rail pieces with the oblique joint connection frontally formed inclined surfaces, wherein in a first rail piece end in the cavity a one-piece core element projecting beyond the inclined surface is inserted;
- Fig. 2
- in a side view, the two under Einkammerung of the core element to the system with oblique joint pushed together hollow profile rail pieces according to
Fig. 1 ; - Fig. 3
- in a schematic longitudinal view of the oblique connection after
Fig. 2 ; - Fig. 4
- the oblique push rail piece connection
Fig. 2 as a cross section in the area of a screw connection; - Fig. 5
- as a detail, a multi-part core element, in particular for connecting obliquely to each other set hollow profile rail pieces, which is formed with oppositely extending inclined surfaces; and
- Figure 6
- the rail piece connection by means of the multi-part core element according to
Fig. 5 as a cross section in the area of a screw connection.
In
Zur Verbindung von jeweils zwei benachbarten, aneinanderstoßenden Hohlprofil-Schienenstücken 1, 2 kann ein nicht beanspruchtes einstückiges Kernelement 5 vorgesehen werden, das in den Hohlraum des einen, ersten Hohlprofil-Schienenstückes 1 eingeschoben ist und über dessen stirnseitiges Ende 6 nach außen hin vorkragt.For connecting each of two adjacent abutting hollow-
Ausgehend von dieser Einbauposition wird das andere, zweite Hohlprofil-Schienenstück 2 mit seinem stirnseitigen Ende 7 bis zur Anlage an das Hohlprofil-Schienenstück 1 über das Kernelement 5 geschoben.Starting from this installation position, the other, second hollow
Wie den
Der Schnittkantenverlauf an der Ober- bzw. Unterseite 9, 10 der Schienenstücke 1, 2, der den Stoßstellenbereich 11 in Längsrichtung begrenzt, ist mit den Bezugszeichen 12, 13 versehen.The cutting edge profile at the top or bottom 9, 10 of the
Die beiden Hohlprofil- Schienenstücke 1, 2 und das verbindende Kernelement 5 werden zusätzlich durch Verschraubungen fixiert. Dazu ist einerseits vorgesehen, dass jeweils zwei von der Oberseite 9 des Schienenstücks 1 und zwei von der Unterseite 10 des Schienenstücks 2 durch Bohrungen hindurchgeführte Gewindeschrauben 14 in entsprechend im Kernelement 5 vorgesehene Schraubgewinde eingeschraubt werden (vgl. hierzu
Andererseits können gemäß
Ferner ist es, wie in
In den
Das Kernelement 17 besteht hierbei aus zwei keilförmigen Teilstücken 18, 19, die mit gegensinnig zueinander verlaufenden Schrägflächen 20, 21 aneinander liegend in den Hohlprofil-Schienenstücken 1, 2 angeordnet sind.The
Zur festen, kraftschlüssigen Verbindung mit den Hohlprofil-Schienenstücken 1, 2 ist das der inneren Oberseite 22 der Schienenstücke 1, 2 zugewandte Teilstück 18 im Bereich seiner beiden endseitigen Teilstückabschnitte 23, von den im Schnitt der
Die zur Verschraubung vorgesehenen Gewindeschrauben 27 werden durch Bohrungen 28 in der Oberseite 9 der Hohlprofil-Schienenstücke 1, 2 sowie die Durchgangsbohrungen 24 hindurchgeführt und in die Schraubgewinde 26 eingedreht.The screw provided for screwing 27 are passed through
Beim Anziehen der Gewindeschrauben 27 wird das Kernelement 17 gegen die inneren Oberseiten 22 der Hohlprofil-Schienenstücke 1, 2 festgelegt, wobei sich die Teilstücke 18, 19 über ihren gegensinnigen Schrägflächen 20, 21 relativ gegeneinander verschieben und in der Höhe und der Breite innerhalb der Hohlprofil-Schienenstücke 1, 2 mit satter Anlage an den inneren Wandflächen der Hohlprofil-Schienenstücke 1, 2 ausrichten.When tightening the threaded screws 27, the
Sie bilden somit ein formschlüssiges Verstärkungselement für den Stoßstellenbereich 11 der Hohlprofil-Schienenstücke 1, 2, insbesondere werden dadurch die seitlichen Führungsflächen 3, 4, auf denen die Führungsrollen der Regalbediengeräte entlang fahren, von innen verstärkt und abgestützt.They thus form a positive reinforcement element for the
- 11
- Hohlprofil-Schienenstück (erstes)Hollow section rail section (first)
- 22
- Hohlprofil-Schienenstück (zweites)Hollow section rail section (second)
- 33
- seitliche Führungsflächelateral guide surface
- 44
- seitliche Führungsflächelateral guide surface
- 55
- Kernelementcore element
- 66
- stirnseitiges Ende eines ersten Hohlprofilsfrontal end of a first hollow profile
- 77
- stirnseitiges Ende eines zweiten Hohlprofilsfrontal end of a second hollow profile
- 88th
- Schnittkante FührungsflächenCut edge of guide surfaces
- 99
- Oberseite HohlprofilTop hollow section
- 1010
- Unterseite HohlprofilBottom hollow profile
- 1111
- StoßstellenbereichJoints area
- 1212
- Schnittkante OberseiteCut edge on top
- 1313
- Schnittkante UnterseiteCut edge underside
- 1414
- GewindeschraubenNuts
- 1515
- DurchgangsschraubenThrough bolts
- 1616
- Schraubmutternscrew nuts
- 1717
- Kernelementcore element
- 1818
- keilförmiges Teilstückwedge-shaped section
- 1919
- keilförmiges Teilstückwedge-shaped section
- 2020
- Schrägflächesloping surface
- 2121
- Schrägflächesloping surface
- 2222
- innere Oberseite Hohlprofilinner top hollow profile
- 2323
- TeilstückabschnittSection section
- 2424
- DurchgangsbohrungenThrough holes
- 2525
- innere Unterseite HohlprofilInner underside hollow profile
- 2626
- Schraubgewindescrew thread
- 2727
- Gewindeschraubescrew
- 2828
- Oberseiten-BohrungTop bore
Claims (3)
- A guide rail for a storage and retrieval machine movable in a storage aisle of a high-bay warehouse, with said guide rail being composed of rail sections (1, 2) of a profile that abut one another in alignment with their cut edges (8; 12, 13) and being held parallel to the moving direction of the storage and retrieval machine in the upper region of the storage aisle by means of fastening elements, wherein the rail sections (1, 2) are realized in the form of hollow profiles that are rigidly connected to one another in the joint region (11) by means of a multipart core element (5, 17) with wedge surfaces that is inserted into the respectively facing hollow profile ends (6, 7),
characterized in
that the core element (17) consists of two wedge-shaped sections (18, 19) that are arranged in the hollow profile rail sections (1, 2) such that they adjoin one another with angular faces (20, 21) extending opposite to one another. - The guide rail according to Claim 1,
characterized in
that the wedge-shaped section (18) facing the inner upper sides (22) of the hollow profile rail sections (1, 2) is respectively provided with at least one vertical through-bore (24) in the region of its portion (23) that penetrates into one hollow profile rail section (1) and in the region of its portion that penetrates into the other hollow profile rail section (2) while the wedge-shaped section (19) facing the inner lower sides (25) of the hollow profile rail sections (1, 2) is realized with screw threads (26) positioned in alignment with the through-bores (24), and in that both sections (18, 19) are screwed against the inner upper sides (22) of the hollow profile rail sections (1, 2) by means of said screw threads and screw bolts (27) inserted through bores (28) in the upper sides of the hollow profile rail sections (1, 2). - The guide rail according to Claim 1 or 2,
characterized in
that the cut edges (8) of the hollow profile rail sections (1, 2) respectively extend relative to the longitudinal axis of the rail sections (1, 2) by an angle other, than 90° in the joint region (11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202009016483 | 2009-12-03 | ||
PCT/EP2010/007222 WO2011066931A1 (en) | 2009-12-03 | 2010-11-29 | Guide rail for storage and retrieval machines |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2507158A1 EP2507158A1 (en) | 2012-10-10 |
EP2507158B1 true EP2507158B1 (en) | 2014-02-26 |
Family
ID=43598386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10788018.9A Not-in-force EP2507158B1 (en) | 2009-12-03 | 2010-11-29 | Guide rail for storage and retrieval machines |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2507158B1 (en) |
WO (1) | WO2011066931A1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20307008U1 (en) * | 2003-05-06 | 2003-07-10 | Siemens Ag | Guide rail for picking device in high reach shelving system, comprises profiles abutting together via angled joints |
DE202008007955U1 (en) * | 2008-06-13 | 2008-08-14 | Nedcon Magazijninrichting B.V. | Arrangement for connecting two similar rails |
-
2010
- 2010-11-29 WO PCT/EP2010/007222 patent/WO2011066931A1/en active Application Filing
- 2010-11-29 EP EP10788018.9A patent/EP2507158B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
WO2011066931A1 (en) | 2011-06-09 |
EP2507158A1 (en) | 2012-10-10 |
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