EP1321424A1 - Truss for escalator - Google Patents

Truss for escalator Download PDF

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Publication number
EP1321424A1
EP1321424A1 EP20020027726 EP02027726A EP1321424A1 EP 1321424 A1 EP1321424 A1 EP 1321424A1 EP 20020027726 EP20020027726 EP 20020027726 EP 02027726 A EP02027726 A EP 02027726A EP 1321424 A1 EP1321424 A1 EP 1321424A1
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EP
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Prior art keywords
supporting
structure according
supporting structure
truss element
support structure
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EP20020027726
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German (de)
French (fr)
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EP1321424B1 (en
Inventor
David Krampl
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Inventio AG
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Inventio AG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B23/00—Component parts of escalators or moving walkways

Definitions

  • the invention relates to a supporting structure for a Escalator or moving walk according to the generic term of Claim 1.
  • a supporting structure is known from US-4811829 become, which consists of truss elements, the one Have a plurality of sectors.
  • the sectors consist of welded angle profiles and are on Construction site welded or screwed together. There are therefore a lot of assembly and cutting work required. On The disadvantage is that the assembly effort and the Assembly time is high, which leads to higher costs. Furthermore the use of the material is not optimal. Lots Profiles are hardly used in terms of voltage. They are too Profiles are often not weight-optimized.
  • the invention is based on an object Propose a supporting structure of the type mentioned at the beginning, which does not have the aforementioned disadvantages and a easy and cheap assembly guaranteed.
  • the supporting structure has few assemblable truss elements.
  • Under the framework element is a frame structure with at least to understand an enclosed recess. So there are less welding work required.
  • the individual in one piece trained truss elements are easy to manufacture and self-supporting, that is, they practice a supporting function themselves out.
  • the truss element is advantageously in the form of a flat, unprofiled plate.
  • the significant advantage is the elimination of steel construction profiles, blanks, Cut to length, gusset plates, etc.
  • the truss element advantageously has at least one Recess on which is formed in the cutting process. This has the advantage that the truss elements are easily tension and can be optimized for weight. The material utilization can be increased many times over, which is too big leads to economic advantages.
  • the truss element is advantageously used as a supporting wall or Cross frame or end frame formed.
  • the truss element can itself as the main element of a supporting structure act.
  • the supporting structure advantageously has two supporting walls on the side of a step or pallet belt of the Escalator or moving walk are arranged and which with each other through the cross frame or the end frame are connected. It is advantageous in this embodiment that that the actual supporting structure of the escalator or of the moving walk from these easily manufactured Support elements can exist.
  • the cross frame can advantageously be a cross connector have, which has bends for side stiffening. This increases the stability of the supporting structure guaranteed.
  • the supporting wall advantageously has a Upper belt stiffener against buckling. This increases also the stability of the supporting structure.
  • the supporting structure can advantageously be a Have bottom view level, which is designed as a bottom plate or is provided with diagonals. This element is too easy to manufacture, resulting in a further reduction in Production costs can contribute.
  • the View level for the spatial stabilization of the Supporting structure is not limited to a Have bottom view level, which is designed as a bottom plate or is provided with diagonals. This element is too easy to manufacture, resulting in a further reduction in Production costs can contribute.
  • the View level for the spatial stabilization of the Supporting structure.
  • the supporting walls, the cross frame, the End frame, the upper chord stiffener and the lower level firmly connected to each other, preferably welded. This ensures a firm, stable finished supporting structure.
  • the truss elements can advantageously be made from one flat, flat, unprofiled primary product, such as Example of sheet metal.
  • the truss elements can be manufactured in unmanned, computer-assisted 24-hour flame cutting operation.
  • the waste is completely recyclable and reusable.
  • a greater freedom in the shape of the supporting wall contour means that design recesses can also be realized, which then have a specific optical purpose due to the glass outer cladding.
  • the supporting wall can be made excessive (e.g. parabolic), curved upwards, so that there is no visual deflection under its own weight.
  • a support wall 3 of the support structure 1 is shown and has in this example several truss elements 2, 2 ', 2' '. Of course, the supporting wall 3 can only be a single one Have truss element 2, 2 ', 2' '. Under truss element 2, 2 ', 2' 'is a frame structure with at least one to understand the enclosed recess.
  • the supporting structure 1 has an escalator or moving walk usually two supporting walls 3, which on both sides of the Step band of the escalator or Pallet conveyor belt are arranged.
  • Truss elements 2, 2 ', 2' 'of the supporting wall 3 are in one piece trained, that is, they are made from one piece made without different pieces together need to be connected.
  • the truss elements 2, 2 ', 2' ' can from a flat, flat, unprofiled Rolled product, such as sheet metal, for example.
  • Flat is any flat product that is defined as Cross-section has a rectangle whose width is larger than that Thickness is.
  • the width is preferably one or more Orders of magnitude larger than the thickness.
  • a flat product is a product to understand that has no surveys and Has depressions. With flat product is a to understand two-dimensional product.
  • the truss element 2, 2 ', 2' 'thus has no T, I, round, Hollow or angle profile or similar profiles, it has absolutely no profile.
  • the truss element 2 can for example, exclusively from a flat sheet steel or be worked out from a plate that preferably have a thickness of approximately 15 mm.
  • the Truss element 2, 2 ', 2' ' has at least one recess 20, which is formed by a cutting method.
  • the truss element 2 'in FIG. 1 has two Recesses 20 on the frame structure R are separated from each other and enclosed by the frame structure R. are.
  • the truss elements 2 show further examples and 2 ′′ in FIG. 1 four or eight recesses 20.
  • the supporting wall 3 can consist of one or more, preferably butt-welded, truss elements 2, 2 ', 2 "exist, for example, fuel or plasma or be laser cut.
  • the cutouts 20 are preferably cut in such a way that a tension and weight-optimized supporting wall was manufactured becomes.
  • the support wall 3 has essentially so much load-bearing Material on, for example in the form of webs or beams M, as is necessary for the exercise of the supporting function. For this 20 material is taken out in the area of the cutouts, that can be used for other purposes.
  • the Support wall 3 or in general the truss element 2, 2 ', 2 '' is therefore lightweight and weight-optimized.
  • a Stress optimization of the support wall 3 or in general the Truss elements 2, 2 ', 2' ' is achieved in that the Support wall 3 or the truss element 2, 2 ', 2' 'in has so much load-bearing material to forces record and forward to supports so that none Bending of the whole structure takes place and the Stability, the rigidity or the like of the whole Structure guaranteed.
  • Support wall 3 On the upper side of the support wall 3 is one Upper chord stiffener 10 arranged against buckling for example in the form of a shaped tube or Roll angle is formed. On both ends of the final support wall 3, support beams 8 can be seen, which serve as an end connection of the supporting structure 1 and are stored on site.
  • Transport feet T are on the lower side of the supporting wall 3 provided as riot points and / or lashing points can be trained.
  • the transport feet T the for example, formed in one piece with a truss element are used for transport storage on the construction site, so as not to scratch the underside level 6.
  • Figure 2 shows a cross-sectional view of the Support structure, the two support walls 3 by a as Cross frame 40 trained truss element, also frame called, and a bottom view level 6 are spatially connected.
  • the cross frame 40 has a cross connector 4, which between the advance of the step or pallet belt and whose return is arranged. That means the stages the step belt of the escalator or the pallets of the pallet band of the moving walk run in one direction above the cross connector 4 and in the opposite direction below the cross connector 4.
  • the cross frame 40 can also consist of one or more truss elements in which preferably by means of fuel or plasma or Recesses optimized by laser cutting 20 have been cut out. In this example, the Cross frame 40 only one recess 20.
  • the cross frame 40 are 1 in over the entire length of the supporting structure distributed regularly or at irregular intervals.
  • the Cross frame 40 can also be made of a flat steel sheet or plate, which is preferably a thickness 15 mm, preferably 5 to 10 mm.
  • the lower level 6 can also for example with profiled diagonals (for example C-profiles or U-profiles) that the Serve frame rigidity in the lower area.
  • the Bottom view level 6 can for example be steel or Own stainless steel tray.
  • the cross connector 4 is with two Bends 4.1 to improve the lateral stiffness.
  • the cross frame 40 further points near the ground, between the plan supporting walls 3, a lower cross train 7, the spatial stabilization. For example tubular upper flange reinforcement 10 against Buckling is on the supporting walls 3 and on the cross frame 40 put on and welded.
  • Figure 3 shows a sectional view along line D-D of Cross connector 4, in which the folds 4.1 more clearly are shown.
  • the folds 4.1 can, for example, by Bend of the cross connector 4 on one or both of its horizontal ends, for example with the help of a Bending machine, arise.
  • the top ones are and the lower edge of the cross connector 4 laterally by approx. 90 Degrees bent, whereby the two edges are less (from 0 to 90 degrees) or more (from 90 to 180 degrees) bent can be.
  • all bending options are considered that pursue the purpose that To improve lateral rigidity of the cross frame 4.
  • Figure 4 shows a cross-sectional view of the Support structure 1 on one of its two ends.
  • a trained as an end frame 5 Truss element connects the supporting walls 3 at both ends of the Supporting structure.
  • the end frame 5 is also made of a Plate of approx. 15 mm, preferably 8-10 mm thick worked out, the recesses 20 by a Cutting process, preferably by means of fuel or plasma or Laser cutting processes have emerged.
  • the end frame 5 consists of a single Truss element and has four recesses 20.
  • the End frame 5 can of course also consist of several Truss elements exist.
  • the support bracket 8 serves as End connection in the uppermost area of the supporting structure.
  • the supporting structure in one preferred embodiment two fuel, plasma or laser-cut supporting walls 3, a series of likewise flame, plasma or laser cut cross frame 40 and End frame 5, the upper belt stiffening 10 against buckling, the inspection level 6, the support beams 8 and if necessary, additional stiffeners, such as Main shaft mount (bearing flange), etc.
  • the Bottom view level 6 is for example as a floor panel formed or has diagonals.
  • the supporting walls 3, Cross frame 40 and end frame 5 are without significant Rework from one or more preferably butt-welded as truss elements Sheet metal part / s fuel or plasma or laser cut. This type of support structure is in front especially suitable for smaller spans, for example for Department store stairs.
  • the upper flange stiffener 10 lies on the supporting walls 3 their entire length and is welded to them.
  • the Cross frame 40 and the end frame 5 serve as Space reinforcement, these are additionally with the Top flange reinforcement 10 welded.
  • the support bracket 8 serve as the end connection of the supporting structure and are both with the top flange stiffener 10 and with the Walls 3 welded.
  • the cross frame 40 and the end frame 5 are thus in the finished supporting structure with the upper flange reinforcement 10, with the inspection plane 6 and the supporting walls 3 fixed and permanently connected, preferably welded.
  • the workload per supporting structure is to be classified as low, since the supporting walls 3 are prefabricated (cut) are.
  • the one used for the manufacture of the truss elements has a thickness of preferably about 15 mm, with other thicknesses, for example from 5 mm to 50 mm, can also be used.

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

The bearing structure has at least one lattice-work element (2, 2', 2), which is made in one piece in the form of a flat, unmolded cut plate. At least one hole in it may be produced by a cutting process. The lattice element may form a bearing wall, a transverse frame or an end frame. There may be two bearing walls at the side of a step or pallet strip of the escalator.

Description

Die Erfindung betrifft eine Tragkonstruktion für eine Fahrtreppe oder einen Fahrsteig gemäss dem Oberbegriff vom Anspruch 1.The invention relates to a supporting structure for a Escalator or moving walk according to the generic term of Claim 1.

Aus der Schrift US-4811829 ist eine Tragkonstruktion bekannt geworden, die aus Fachwerkelementen besteht, die eine Mehrzahl von Sektoren aufweisen. Die Sektore bestehen aus zusammenassemgeschweissten Winkelprofilen und werden am Bauort miteinander verschweisst oder geschraubt. Es sind somit viele Assemblier- und Ablängarbeiten nötig. Ein Nachteil ist darin zu sehen, dass der Montageaufwand und die Montagezeit hoch ist, was zu höheren Kosten führt. Ausserdem ist die Ausnutzung des Materials nicht optimal. Viele Profile sind spannungsmässig kaum ausgenützt. Auch sind die Profile oft nicht gewichtsoptimiert.A supporting structure is known from US-4811829 become, which consists of truss elements, the one Have a plurality of sectors. The sectors consist of welded angle profiles and are on Construction site welded or screwed together. There are therefore a lot of assembly and cutting work required. On The disadvantage is that the assembly effort and the Assembly time is high, which leads to higher costs. Furthermore the use of the material is not optimal. Lots Profiles are hardly used in terms of voltage. They are too Profiles are often not weight-optimized.

Der Erfindung liegt eine Aufgabe zugrunde, eine Tragkonstruktion der eingangs genannten Art vorzuschlagen, welches die vorgenannten Nachteile nicht aufweist und eine leichte und billige Montage gewährleistet.The invention is based on an object Propose a supporting structure of the type mentioned at the beginning, which does not have the aforementioned disadvantages and a easy and cheap assembly guaranteed.

Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst.This object is achieved by the features of patent claim 1 solved.

Ein Vorteil ist darin zu sehen, dass die Tragkonstruktion wenige zusammenassemblierbare Fachwerkelemente aufweist. Unter Fachwerkelement ist ein Rahmengefüge mit mindestens einer umschlossenen Aussparung zu verstehen. Es sind somit weniger Schweissarbeiten nötig. Die einzelnen einstückig ausgebildeten Fachwerkelemente sind leicht herstellbar und selbstragend, das heisst sie üben selber eine Tragfunktion aus.One advantage is that the supporting structure has few assemblable truss elements. Under the framework element is a frame structure with at least to understand an enclosed recess. So there are less welding work required. The individual in one piece trained truss elements are easy to manufacture and self-supporting, that is, they practice a supporting function themselves out.

Durch die in den abhängigen Patentansprüche aufgeführten Massnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Anspruch 1 angegebenen Tragkonstruktion möglich.By those listed in the dependent claims Measures are advantageous training and Improvements to those specified in claim 1 Supporting structure possible.

Vorteilhafterweise ist das Fachwerkelement als flächige, unprofilierte Platte ausgebildet. Der signifikante Vorteil ist der Entfall von Stahlbauprofilen, Zuschnitten, Ablängungen, Knotenblechen, usw.The truss element is advantageously in the form of a flat, unprofiled plate. The significant advantage is the elimination of steel construction profiles, blanks, Cut to length, gusset plates, etc.

Vorteilhafterweise weist das Fachwerkelement mindestens eine Aussparung auf, die im Schneidverfahren gebildet ist. Dies hat den Vorteil, dass die Fachwerkelemente leicht spannungsund gewichtsoptimiert werden können. Die Materialausnutzung kann um ein Vielfaches gesteigert werden, was zu großen wirtschaftlichen Vorteilen führt.The truss element advantageously has at least one Recess on which is formed in the cutting process. This has the advantage that the truss elements are easily tension and can be optimized for weight. The material utilization can be increased many times over, which is too big leads to economic advantages.

Vorteilhafterweise ist das Fachwerkelement als Tragwand oder Querrahmen oder Endrahmen ausgebildet. Das Fachwerkelement kann also selbst als Hauptelement einer Tragkonstruktion fungieren.The truss element is advantageously used as a supporting wall or Cross frame or end frame formed. The truss element can itself as the main element of a supporting structure act.

Vorteilhafterweise weist die Tragkonstruktion zwei Tragwände auf, welche seitlich an einer Stufen- oder Palettenband der Fahrtreppe oder des Fahrsteiges angeordnet sind und welche miteinander durch die Querrahmen oder die Endrahmen verbunden sind. Vorteilhaft bei dieser Ausführungsform ist, dass die eigentliche Tragkonstruktion der Fahrtreppe oder des Fahrsteiges aus diesen leicht herstellbaren Tragelementen bestehen kann.The supporting structure advantageously has two supporting walls on the side of a step or pallet belt of the Escalator or moving walk are arranged and which with each other through the cross frame or the end frame are connected. It is advantageous in this embodiment that that the actual supporting structure of the escalator or of the moving walk from these easily manufactured Support elements can exist.

Vorteilhafterweise kann der Querrahmen einen Querverbinder aufweisen, der zur Seitenversteifung Umbüge aufweist. Dadurch wird eine höhere Stabilität der Tragkonstruktion gewährleistet.The cross frame can advantageously be a cross connector have, which has bends for side stiffening. This increases the stability of the supporting structure guaranteed.

Vorteilhafterweise weist die Tragwand eine Obergurtversteifung gegen Ausknicken auf. Dies erhöht ebenfalls die Stabilität der Tragkonstruktion.The supporting wall advantageously has a Upper belt stiffener against buckling. This increases also the stability of the supporting structure.

Vorteilhafterweise kann die Tragkonstruktion eine Untersichtebene aufweisen, die als Bodenblech ausgebildet oder mit Diagonalen versehen ist. Dieses Element ist auch leicht herstellbar, was zu einer weiteren Reduzierung der Produktionskosten beitragen kann. Ausserdem trägt die Untersichtebene zur räumlichen Stabilisierung der Tragkonstruktion bei.The supporting structure can advantageously be a Have bottom view level, which is designed as a bottom plate or is provided with diagonals. This element is too easy to manufacture, resulting in a further reduction in Production costs can contribute. In addition, the View level for the spatial stabilization of the Supporting structure.

Vorteilhafterweise sind die Tragwände, die Querrahmen, die Endrahmen, die Obergurtversteifung und die Untersichtebene miteinander fest verbunden, vorzugsweise verschweisst. Dies gewährleistet eine feste stabile fertige Tragkonstruktion.Advantageously, the supporting walls, the cross frame, the End frame, the upper chord stiffener and the lower level firmly connected to each other, preferably welded. This ensures a firm, stable finished supporting structure.

Vorteilhafterweise können die Fachwerkelemente aus einem flachen, flächigen, unprofilierten Vorprodukt, wie zum Beispiel Blech, hergestellt sein. The truss elements can advantageously be made from one flat, flat, unprofiled primary product, such as Example of sheet metal.

Die Erfindung weist weiter folgende Vorteile auf:The invention also has the following advantages:

Die Fachwerkelemente können im mannlosen, computergestützten 24 Stunden Brennschneidebetrieb gefertigt werden. Der Abfall ist komplett wiederverwertbar und wiederverwendbar. Durch eine größere Freiheit in der Formgebung der Tragwandkontur können auch gestalterische Ausnehmungen, welche dann durch eine Glas-Außenverkleidung einen bestimmten optischen Zweck verfolgen, realisiert werden.
Die Tragwand kann überhöht (z. B. parabelförmig) nach oben gekrümmt hergestellt werden, damit unter Eigengewicht rein optisch keine Durchbiegung auftritt.The truss elements can be manufactured in unmanned, computer-assisted 24-hour flame cutting operation. The waste is completely recyclable and reusable. A greater freedom in the shape of the supporting wall contour means that design recesses can also be realized, which then have a specific optical purpose due to the glass outer cladding.
The supporting wall can be made excessive (e.g. parabolic), curved upwards, so that there is no visual deflection under its own weight.

Alle erläuterten Merkmale sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar, ohne den Rahmen der Erfindung zu verlassen.All the features explained are not only in each specified combination, but also in others Combinations or usable alone, without the Leave the scope of the invention.

Ausführungsbeispiele der Erfindung sind in den schematischen Zeichnungen dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:

  • Fig. 1 eine seitliche Ansicht einer Tragkonstruktion gemäss einer Ausführungsform der Erfindung,
  • Fig. 2 die Tragkonstruktion aus Figur 1 im Schnitt A-B,
  • Fig. 3 einen Schnitt gemäss Linie D-D aus Figur 2,
  • Fig. 4 eine Schnittdarstellung eines Endes der Tragkonstruktion aus Figur 1.
    • Embodiments of the invention are shown in the schematic drawings and explained in more detail in the following description. Show it:
  • 1 is a side view of a support structure according to an embodiment of the invention,
  • 2 shows the supporting structure from Figure 1 in section AB,
  • 3 shows a section along line DD from FIG. 2,
  • 4 is a sectional view of one end of the support structure from FIG. 1.

    • Fig. 1 zeigt eine seitliche Ansicht einer Tragkonstruktion 1 in Einbaulage beispielsweise einer nicht näher dargestellten Fahrtreppe oder eines nicht näher dargestellten Fahrsteiges. Eine Tragwand 3 der Tragkonstruktion 1 ist gezeigt und weist in diesem Beispiel mehrere Fachwerkelemente 2, 2', 2'' auf. Selbstverständlich kann die Tragwand 3 nur ein einziges Fachwerkelement 2, 2', 2'' aufweisen. Unter Fachwerkelement 2, 2', 2'' ist ein Rahmengefüge mit mindestens einer umschlossenen Aussparung zu verstehen. Die Tragkonstruktion 1 einer Fahrtreppe oder eines Fahrsteiges besitzt üblicherweise zwei Tragwände 3, die an beide Seiten des Stufenbandes der Fahrtreppe beziehungsweise des Palettenbandes des Fahrsteiges angeordnet sind. Die Fachwerkelemente 2, 2', 2'' der Tragwand 3 sind einstückig ausgebildet, das heisst sie sind aus einem Stück hergestellt, ohne dass verschiedene Stücke miteinander verbunden werden müssen. Die Fachwerkelemente 2, 2', 2'' können aus einem flachen, flächigen, unprofilierten Walzorprodukt, wie zum Beispiel Blech, hergestellt sein.1 shows a side view of a supporting structure 1 in the installed position, for example, one not shown in detail Escalator or a moving walk, not shown. A support wall 3 of the support structure 1 is shown and has in this example several truss elements 2, 2 ', 2' '. Of course, the supporting wall 3 can only be a single one Have truss element 2, 2 ', 2' '. Under truss element 2, 2 ', 2' 'is a frame structure with at least one to understand the enclosed recess. The supporting structure 1 has an escalator or moving walk usually two supporting walls 3, which on both sides of the Step band of the escalator or Pallet conveyor belt are arranged. The Truss elements 2, 2 ', 2' 'of the supporting wall 3 are in one piece trained, that is, they are made from one piece made without different pieces together need to be connected. The truss elements 2, 2 ', 2' ' can from a flat, flat, unprofiled Rolled product, such as sheet metal, for example.

    Mit flach wird irgendein ebenes Produkt definiert, das als Querschnitt ein Rechteck hat, dessen Breite grösser als die Dicke ist. Vorzugsweise ist die Breite um eine oder mehrere Grossenordnungen grösser als die Dicke. Als ebenes Produkt ist ein Produkt zu verstehen, das keine Erhebungen und Vertiefungen aufweist. Mit flächigem Produkt ist ein zweidimensionales Produkt zu verstehen. Das Fachwerkelement 2, 2', 2'' weist somit beispielsweise kein T-, I-, Rund-, Hohl- oder Winkelprofil oder ähnliche Profile auf, er weist schlechthin kein Profil auf. Das Fachwerkelement 2 kann also beispielsweise ausschliesslich aus einem planen Stahlblech oder aus einer Platte herausgearbeitet werden, die vorzugsweise eine Dicke von ca. 15 mm aufweisen. Das Fachwerkelement 2, 2', 2'' weist mindestens eine Aussparung 20 auf, die durch ein Schneidverfahren gebildet ist. Als Beispiel weist das Fachwerkelement 2' in Figur 1 zwei Aussparungen 20 auf, die durch das Rahmengefüge R voneinander getrennt sind und vom Rahmengefüge R umschlossen sind. Als weitere Beispiele zeigen die Fachwerkelemente 2 und 2'' in Figur 1 vier beziehungsweise acht Ausnehmungen 20. Die Tragwand 3 kann aus einem oder mehreren, vorzugsweise stumpfverschweissten, Fachwerkelementen 2, 2', 2" bestehen, die beispielsweise brenn- oder plasma- oder lasergeschnitten werden.Flat is any flat product that is defined as Cross-section has a rectangle whose width is larger than that Thickness is. The width is preferably one or more Orders of magnitude larger than the thickness. As a flat product is a product to understand that has no surveys and Has depressions. With flat product is a to understand two-dimensional product. The truss element 2, 2 ', 2' 'thus has no T, I, round, Hollow or angle profile or similar profiles, it has absolutely no profile. The truss element 2 can for example, exclusively from a flat sheet steel or be worked out from a plate that preferably have a thickness of approximately 15 mm. The Truss element 2, 2 ', 2' 'has at least one recess 20, which is formed by a cutting method. As For example, the truss element 2 'in FIG. 1 has two Recesses 20 on the frame structure R are separated from each other and enclosed by the frame structure R. are. The truss elements 2 show further examples and 2 ″ in FIG. 1 four or eight recesses 20. The supporting wall 3 can consist of one or more, preferably butt-welded, truss elements 2, 2 ', 2 "exist, for example, fuel or plasma or be laser cut.

    Die Aussparungen 20 sind vorzugsweise so geschnitten, dass eine spannungs- und gewichtsoptimierte Tragwand hergestellt wird. Die Tragwand 3 weist im wesentlichen soviel tragendes Material auf, zum Beispiel in Form von Stegen oder Trägern M, wie für die Ausübung der Tragfunktion nötig ist. Hierzu wird im Bereich der Aussparungen 20 Material herausgenommen, das für andere Zwecke weiterverwendet werden kann. Die Tragwand 3 oder im allgemeinen das Fachwerkselement 2, 2', 2'' ist somit ein Leichtbau und gewichtsoptimiert. Eine Spannungsoptimierung der Tragwand 3 oder im allgemeinen des Fachwerkselements 2, 2', 2'' wird dadurch erreicht, dass die Tragwand 3 beziehungsweise das Fachwerkelement 2, 2', 2'' im wesentlichen soviel tragendes Material aufweist, um Kräfte aufzunehmen und auf Auflager weiterzuleiten, sodass keine Verbiegung der ganzen Struktur stattfindet und die Stabilität, die Steifigkeit oder dergleichen der ganzen Struktur gewährleistet. Zu diesem Zweck können die Aussparungen 20 zum Beispiel eine dreieckige Kontur aufweisen, wobei andere spannungsoptimierte Konturen ebenfalls möglich sind.The cutouts 20 are preferably cut in such a way that a tension and weight-optimized supporting wall was manufactured becomes. The support wall 3 has essentially so much load-bearing Material on, for example in the form of webs or beams M, as is necessary for the exercise of the supporting function. For this 20 material is taken out in the area of the cutouts, that can be used for other purposes. The Support wall 3 or in general the truss element 2, 2 ', 2 '' is therefore lightweight and weight-optimized. A Stress optimization of the support wall 3 or in general the Truss elements 2, 2 ', 2' 'is achieved in that the Support wall 3 or the truss element 2, 2 ', 2' 'in has so much load-bearing material to forces record and forward to supports so that none Bending of the whole structure takes place and the Stability, the rigidity or the like of the whole Structure guaranteed. For this purpose, the Recesses 20, for example, a triangular contour exhibit, other voltage-optimized contours are also possible.

    Auf der oberen Seite der Tragwand 3 ist eine Obergurtversteifung 10 gegen Ausknicken angeordnet, die beispielsweise in Form eines Formrohres oder eines Walzwinkels ausgebildet ist. Auf beiden Enden der endgültigen Tragwand 3 sind Auflagerträger 8 ersichtlich, die als Endverbindung der Tragkonstruktion 1 dienen und bauseitig gelagert sind.On the upper side of the support wall 3 is one Upper chord stiffener 10 arranged against buckling for example in the form of a shaped tube or Roll angle is formed. On both ends of the final support wall 3, support beams 8 can be seen, which serve as an end connection of the supporting structure 1 and are stored on site.

    Auf der unteren Seite der Tragwand 3 sind Transportfüsse T vorgesehen, die als Aufstandspunkte und/oder Zurrpunkte ausgebildet sein können. Die Transportfüsse T, die beispielsweise einstückig mit einem Fachwerkelement gebildet sind, dienen für die Transportabstellung auf der Baustelle, um die Untersichtebene 6 nicht zu verkratzen.Transport feet T are on the lower side of the supporting wall 3 provided as riot points and / or lashing points can be trained. The transport feet T, the for example, formed in one piece with a truss element are used for transport storage on the construction site, so as not to scratch the underside level 6.

    Figur 2 zeigt eine Querschnittdarstellung der Tragkonstruktion, wobei die zwei Tragwände 3 durch ein als Querrahmen 40 ausgebildeten Fachwerkelement, auch Spant genannt, und eine Untersichtebene 6 räumlich verbunden sind. Der Querrahmen 40 weist einen Querverbinder 4 auf, welcher sich zwischen dem Vorlauf des Stufen- oder Palettenbandes und dessem Rücklauf angeordnet ist. Das heisst die Stufen des Stufenbandes der Fahrtreppe beziehungsweise die Paletten des Palettenbandes des Fahrsteiges laufen in eine Richtung oberhalb des Querverbinders 4 und in umgekehrte Richtung unterhalb des Querverbinders 4. Der Querrahmen 40 kann auch aus einem oder mehreren Fachwerkelementen bestehen, in denen vorzugsweise mittels Brenn- oder Plasma- oder Laserschneidverfahren optimierte Aussparungen 20 ausgeschnitten worden sind. In diesem Beispiel weist der Querrahmen 40 nur eine Ausnehmung 20 auf. Die Querrahmen 40 sind über die ganze Länge der Tragkonstruktion 1 in regelmässigen oder in unregelmässigen Abstände verteilt. Die Querrahmen 40 können ebenfalls aus einem planen Stahlblech oder Platte hergestellt werden, die vorzugsweise eine Dicke von ca. 15 mm, bevorzugt 5 bis 10 mm aufweisen. Die Untersichtebene 6, die beispielsweise als Bodenblech ausgebildet werden kann, verbindet die unteren Enden der zwei planen Tragwände 3. Die Untersichtebene 6 kann auch beispielsweise mit profilierten Diagonalen versehen werden (zum Beispiel C-Profile oder U-Profile), die der Rahmensteifigkeit im unteren Bereich dienen. Die Untersichtebene 6 kann beispielsweise Stahl- oder Nirostablech besitzen. Der Querverbinder 4 ist mit zwei Umbügen 4.1 zur Verbesserung der Seitensteifigkeit versehen. Der Querrahmen 40 weist weiter an Bodennähe, zwischen den planen Tragwänden 3, einen unteren Querzug 7, der der räumlichen Stabilisierung dient. Die beispielsweise rohrförmige ausgebildete Obergurtversteifung 10 gegen Ausknicken wird auf die Tragwände 3 und auf den Querrahmen 40 aufgesetzt und verschweisst.Figure 2 shows a cross-sectional view of the Support structure, the two support walls 3 by a as Cross frame 40 trained truss element, also frame called, and a bottom view level 6 are spatially connected. The cross frame 40 has a cross connector 4, which between the advance of the step or pallet belt and whose return is arranged. That means the stages the step belt of the escalator or the pallets of the pallet band of the moving walk run in one direction above the cross connector 4 and in the opposite direction below the cross connector 4. The cross frame 40 can also consist of one or more truss elements in which preferably by means of fuel or plasma or Recesses optimized by laser cutting 20 have been cut out. In this example, the Cross frame 40 only one recess 20. The cross frame 40 are 1 in over the entire length of the supporting structure distributed regularly or at irregular intervals. The Cross frame 40 can also be made of a flat steel sheet or plate, which is preferably a thickness 15 mm, preferably 5 to 10 mm. The Bottom view level 6, for example as a floor panel can be formed, connects the lower ends of the two plan supporting walls 3. The lower level 6 can also for example with profiled diagonals (for example C-profiles or U-profiles) that the Serve frame rigidity in the lower area. The Bottom view level 6 can for example be steel or Own stainless steel tray. The cross connector 4 is with two Bends 4.1 to improve the lateral stiffness. The cross frame 40 further points near the ground, between the plan supporting walls 3, a lower cross train 7, the spatial stabilization. For example tubular upper flange reinforcement 10 against Buckling is on the supporting walls 3 and on the cross frame 40 put on and welded.

    Figur 3 zeigt eine Schnittdarstellung gemäss Linie D-D des Querverbinders 4, bei der die Umbüge 4.1 deutlicher dargestellt sind. Die Umbüge 4.1 können beispielweise durch Biegung des Querverbinders 4 an einem oder an beiden seiner horizontalen Enden, zum Beispiel mit Hilfe einer Biegemaschine, entstehen. In diesem Beispiel sind die obere und die untere Kante des Querverbinders 4 seitlich um ca. 90 Grad umgebogen, wobei an sich die beiden Kanten weniger (von 0 bis 90 Grad) oder mehr (von 90 bis 180 Grad) umgebogen werden können. Im allgemeinen können alle Biegemöglichkeiten betrachtet werden, die den Zweck verfolgen, die Seitensteifigkeit des Querrahmens 4 zu verbessern.Figure 3 shows a sectional view along line D-D of Cross connector 4, in which the folds 4.1 more clearly are shown. The folds 4.1 can, for example, by Bend of the cross connector 4 on one or both of its horizontal ends, for example with the help of a Bending machine, arise. In this example, the top ones are and the lower edge of the cross connector 4 laterally by approx. 90 Degrees bent, whereby the two edges are less (from 0 to 90 degrees) or more (from 90 to 180 degrees) bent can be. In general, all bending options are considered that pursue the purpose that To improve lateral rigidity of the cross frame 4.

    Figur 4 zeigt eine Querschnittsdarstellung der Tragkonstruktion 1 auf einem ihrer beiden Enden. In Ansicht C sieht man die Tragkonstruktionaussenansicht und die Auskreuzung am Tragkonstruktionsende sowie die Auflagerwinkelanbindung. Ein als Endrahmen 5 ausgebildeter Fachwerkelement verbindet die Tragwände 3 an beiden Ende der Tragkonstruktion. Der Endrahmen 5 ist ebenfalls aus einer Platte von ca. 15 mm, bevorzugt 8-10 mm Dicke herausgearbeitet, wobei die Aussparungen 20 durch ein Schneidverfahren, vorzugsweise mittels Brenn- oder Plasmaoder Laserschneidverfahren, entstanden sind. In dieser Ausführungsform besteht der Endrahmen 5 aus einem einzigen Fachwerkelement und weist vier Aussparungen 20 auf. Der Endrahmen 5 kann selbstverständlich auch aus mehreren Fachwerkelementen bestehen. Der Auflagerträger 8 dient als Endverbindung im obersten Bereich der Tragkonstruktion.Figure 4 shows a cross-sectional view of the Support structure 1 on one of its two ends. In view C you can see the supporting structure exterior and the Outcross at the end of the supporting structure and the Auflagerwinkelanbindung. A trained as an end frame 5 Truss element connects the supporting walls 3 at both ends of the Supporting structure. The end frame 5 is also made of a Plate of approx. 15 mm, preferably 8-10 mm thick worked out, the recesses 20 by a Cutting process, preferably by means of fuel or plasma or Laser cutting processes have emerged. In this Embodiment, the end frame 5 consists of a single Truss element and has four recesses 20. The End frame 5 can of course also consist of several Truss elements exist. The support bracket 8 serves as End connection in the uppermost area of the supporting structure.

    Zusammenfassend weist die Tragkonstruktion in einer bevorzugten Ausführungsform zwei brenn-, plasma- oder lasergeschnitten Tragwänden 3, eine Reihe von ebenfalls brenn-, plasma- oder lasergeschnitten Querrahmen 40 und Endrahmen 5, die Obergurtversteifung 10 gegen Ausknicken, die Untersichtsebene 6, die Auflagerträger 8 sowie gegebenenfalls zusätzliche Versteifungen, wie Hauptwellenaufnahme (Lagerflansch), usw.. Die Untersichtebene 6 ist zum Beispiel als Bodenblech ausgebildet oder weist Diagonalen auf. Die Tragwände 3, Querrahmen 40 und Endrahmen 5 werden ohne nennenswerte Nacharbeit aus einem oder mehreren vorzugsweise stumpfverschweißten als Fachwerkelemente ausgebildeten Blechschnittteil/en brenn- oder plasma oder lasergeschnitten. Diese Art von Tragkonstruktionen ist vor allem für kleinere Spannweiten geeignet, zum Beispiel für Kaufhaustreppen.In summary, the supporting structure in one preferred embodiment two fuel, plasma or laser-cut supporting walls 3, a series of likewise flame, plasma or laser cut cross frame 40 and End frame 5, the upper belt stiffening 10 against buckling, the inspection level 6, the support beams 8 and if necessary, additional stiffeners, such as Main shaft mount (bearing flange), etc. The Bottom view level 6 is for example as a floor panel formed or has diagonals. The supporting walls 3, Cross frame 40 and end frame 5 are without significant Rework from one or more preferably butt-welded as truss elements Sheet metal part / s fuel or plasma or laser cut. This type of support structure is in front especially suitable for smaller spans, for example for Department store stairs.

    Die Obergurtversteifung 10, liegt auf den Tragwänden 3 über ihre ganze Länge auf und wird mit diesen verschweisst. Der Querrahmen 40 und der Endrahmen 5 dienen als Raumversteifung, diese werden zusätzlich mit der Obergurtversteifung 10 verschweisst. Die Auflagerträger 8 dienen als Endverbindung der Tragkonstruktion und werden sowohl mit der Obergurtversteifung 10 als auch mit den Tragwänden 3 verschweisst.The upper flange stiffener 10 lies on the supporting walls 3 their entire length and is welded to them. The Cross frame 40 and the end frame 5 serve as Space reinforcement, these are additionally with the Top flange reinforcement 10 welded. The support bracket 8 serve as the end connection of the supporting structure and are both with the top flange stiffener 10 and with the Walls 3 welded.

    Der Querrahmen 40 beziehungsweise der Endrahmen 5 sind somit in der fertigen Tragkonstruktion mit der Obergurtversteifung 10, mit der Untersichtsebene 6 und den Tragwänden 3 fest und dauerhaft verbunden, vorzugsweise verschweisst.The cross frame 40 and the end frame 5 are thus in the finished supporting structure with the upper flange reinforcement 10, with the inspection plane 6 and the supporting walls 3 fixed and permanently connected, preferably welded.

    Durch den einfachen Aufbau der Tragkonstruktion ohne sehr viel Schweissarbeit wird die Produktions- und Montagezeit wesentlich verkürzt. Der Arbeitsaufwand pro Tragkonstruktion ist als gering einzustufen, da die Tragwände 3 vorgefertigt (geschnitten) sind.Due to the simple structure of the supporting structure without much the production and assembly time becomes a lot of welding work significantly shortened. The workload per supporting structure is to be classified as low, since the supporting walls 3 are prefabricated (cut) are.

    Das für die Herstellung der Fachwerkelemente verwendete Vorprodukt, insbesondere Blech, weist eine Dicke von vorzugsweise ca. 15 mm, wobei andere Dicken, zum Beispiel von 5 mm bis 50 mm, auch verwendbar sind.The one used for the manufacture of the truss elements The preliminary product, in particular sheet metal, has a thickness of preferably about 15 mm, with other thicknesses, for example from 5 mm to 50 mm, can also be used.

    Durch die erfindungsgemässe "geschnittene Tragkonstruktion" erhält somit eine gewichts- und spannungsoptimierte Tragkonstruktion für Fahrtreppen und Fahrsteige.Due to the "cut support structure" according to the invention thus receives a weight and tension optimized Supporting structure for escalators and moving walks.

    Claims (11)

    Tragkonstruktion für eine Fahrtreppe oder einen Fahrsteig, welche Tragkonstruktion mindestens ein Fachwerkelement (2, 2', 2'') aufweist,
    dadurch gekennzeichnet, dass
    das Fachwerkelement (2, 2', 2'') einstückig ausgebildet ist.    Supporting structure for an escalator or moving walk, which supporting structure has at least one truss element (2, 2 ', 2''),
    characterized in that
    the truss element (2, 2 ', 2'') is formed in one piece.         Tragkonstruktion nach Patentanspruch 1,
    dadurch gekennzeichnet, dass
    das Fachwerkelement (2, 2', 2'') als flächige, unprofilierte Platte ausgebildet ist.    Support structure according to claim 1,
    characterized in that
    the truss element (2, 2 ', 2'') is designed as a flat, non-profiled plate.         Tragkonstruktion nach Patentanspruch 1 oder 2,
    dadurch gekennzeichnet, dass
    das Fachwerkelement (2, 2', 2'') mindestens eine Aussparung (20) aufweist, die mittels Schneidverfahren gebildet ist.    Support structure according to claim 1 or 2,
    characterized in that
    the truss element (2, 2 ', 2'') has at least one recess (20) which is formed by means of a cutting process.         Tragkonstruktion nach einem der vorhergehenden Patentansprüche,
    dadurch gekennzeichnet, dass
    das Fachwerkelement (2, 2', 2'') als Tragwand (3) oder Querrahmen (40) oder Endrahmen (5) ausgebildet ist.    Support structure according to one of the preceding claims,
    characterized in that
    the truss element (2, 2 ', 2'') is designed as a supporting wall (3) or transverse frame (40) or end frame (5).         Tragkonstruktion nach Patentanspruch 4,
    dadurch gekennzeichnet, dass
    die Tragkonstruktion zwei Tragwände (3) aufweist, welche seitlich an einer Stufen- oder Palettenband der Fahrtreppe oder des Fahrsteiges angeordnet sind und welche miteinander durch die Querrahmen (40) oder die Endrahmen (5) verbunden sind.    Support structure according to claim 4,
    characterized in that
    the supporting structure has two supporting walls (3) which are arranged laterally on a step or pallet belt of the escalator or moving walk and which are connected to one another by the transverse frames (40) or the end frames (5).         Tragkonstruktion nach Patentanspruch 4 oder 5,
    dadurch gekennzeichnet, dass
    der Querrahmen (40) einen Querverbinder (4) aufweist, der zur Seitenversteifung Umbüge (4.1) aufweist.    Support structure according to claim 4 or 5,
    characterized in that
    the cross frame (40) has a cross connector (4) which has bends (4.1) for side stiffening.         Tragkonstruktion nach Patentanspruch 4,
    dadurch gekennzeichnet, dass
    die Tragwand (3) eine Obergurtversteifung (10) gegen Ausknicken aufweist.    Support structure according to claim 4,
    characterized in that
    the supporting wall (3) has an upper flange stiffener (10) against buckling.         Tragkonstruktion nach einem der vorhergehenden Patentansprüche,
    dadurch gekennzeichnet, dass
    die Tragkonstruktion eine Untersichtebene (6) aufweist, die als Bodenblech ausgebildet oder mit Diagonalen versehen ist.    Support structure according to one of the preceding claims,
    characterized in that
    the supporting structure has an underside level (6) which is designed as a base plate or provided with diagonals.         Tragkonstruktion nach einem der vorhergehenden Patentansprüche,
    dadurch gekennzeichnet, dass
    die Tragwände (3), die Querrahmen (40), die Endrahmen (5), die Obergurtversteifung (10) und die Untersichtebene (6) miteinander fest verbunden, vorzugsweise verschweisst, sind.    Support structure according to one of the preceding claims,
    characterized in that
    the supporting walls (3), the transverse frame (40), the end frame (5), the upper flange stiffener (10) and the bottom view plane (6) are firmly connected to one another, preferably welded.         Fahrtreppe oder Fahrsteig mit einer Tragkonstruktion nach einem der Patentansprüche 1 bis 9.Escalator or moving walk with a supporting structure according to one of the claims 1 to 9. Verfahren zur Herstellung einer Tragkonstruktion für eine Fahrtreppe oder einen Fahrsteig, welche Tragkonstruktion mindestens ein Fachwerkelement (2, 2', 2'') aufweist,
    dadurch gekennzeichnet, dass
    das Fachwerkelement (2, 2', 2") einstückig geschnitten wird.    Method for producing a supporting structure for an escalator or moving walk, which supporting structure has at least one truss element (2, 2 ', 2''),
    characterized in that
    the truss element (2, 2 ', 2 ") is cut in one piece.
    EP02027726.5A 2001-12-19 2002-12-11 Truss for escalator Expired - Lifetime EP1321424B1 (en)

    Priority Applications (1)

    Application Number Priority Date Filing Date Title
    EP02027726.5A EP1321424B1 (en) 2001-12-19 2002-12-11 Truss for escalator

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    EP01811241 2001-12-19
    EP01811241 2001-12-19
    EP02027726.5A EP1321424B1 (en) 2001-12-19 2002-12-11 Truss for escalator

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    Publication Number Publication Date
    EP1321424A1 true EP1321424A1 (en) 2003-06-25
    EP1321424B1 EP1321424B1 (en) 2015-10-28

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    DE102014224457A1 (en) * 2014-11-28 2016-06-02 Thyssenkrupp Ag Carrying structure for a conveyor
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    DE112009005437B4 (en) * 2009-10-19 2017-02-09 Otis Elevator Company Support structure construction for a passenger transport device
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    EP4353650A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Support structure for a guideway device
    EP4353661A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Base for a modularly assembled track device
    EP4353656A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Support structure for a guideway device
    EP4353662A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Guideway device with a support structure and cladding elements
    EP4353651A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Support structure for a guideway device
    EP4353663A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Method for producing a component of a track device

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    Cited By (16)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE112009005437B4 (en) * 2009-10-19 2017-02-09 Otis Elevator Company Support structure construction for a passenger transport device
    US9676597B2 (en) 2009-10-19 2017-06-13 Otis Elevator Company Truss construction for a passenger conveyor
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    DE102014224460A1 (en) * 2014-11-28 2016-06-02 Thyssenkrupp Ag Carrying structure for a conveyor
    WO2022200029A1 (en) 2021-03-26 2022-09-29 Inventio Ag Support structure of an escalator or of a moving walkway
    EP4353650A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Support structure for a guideway device
    EP4353661A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Base for a modularly assembled track device
    EP4353656A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Support structure for a guideway device
    EP4353662A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Guideway device with a support structure and cladding elements
    EP4353651A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Support structure for a guideway device
    EP4353663A1 (en) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Method for producing a component of a track device
    WO2024078845A1 (en) 2022-10-10 2024-04-18 Tk Elevator Innovation And Operations Gmbh Guideway system comprising a support structure and cladding elements
    WO2024078847A1 (en) 2022-10-10 2024-04-18 Tk Elevator Innovation And Operations Gmbh Support structure for a guideway system

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