EP4313836A1 - Structure de support d'un escalier roulant ou d'un trottoir roulant - Google Patents

Structure de support d'un escalier roulant ou d'un trottoir roulant

Info

Publication number
EP4313836A1
EP4313836A1 EP22710606.9A EP22710606A EP4313836A1 EP 4313836 A1 EP4313836 A1 EP 4313836A1 EP 22710606 A EP22710606 A EP 22710606A EP 4313836 A1 EP4313836 A1 EP 4313836A1
Authority
EP
European Patent Office
Prior art keywords
side wall
supporting
fastening
fastening flange
upper chord
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.)
Pending
Application number
EP22710606.9A
Other languages
German (de)
English (en)
Inventor
Peter SEFCSIK
Georg WAGENLEITNER
Christoph Makovec
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Publication of EP4313836A1 publication Critical patent/EP4313836A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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 wall element of a supporting structure of an escalator or a moving walk and a supporting structure module or supporting structure with such supporting wall elements.
  • Escalators and moving walks usually have a structure that extends like a bridge between two support points. If necessary, central supports are also provided between the two support points if the span to be bridged is too large and the structure should not be too bulky.
  • Structures of very long escalators and moving walks are usually divided into structural modules in order to enable transport from the place of manufacture to the structure in which the escalator or moving walk is to be installed.
  • the supporting structure modules When installed in the building, the supporting structure modules are rigidly connected to one another in series at their front sides and form a continuous, load-bearing structure into which further components of the escalator or moving walk can be installed and attached.
  • the load-bearing capacity of the supporting structure is essentially achieved by two supporting wall elements, which extend parallel to one another in two vertical planes that are spaced apart from one another.
  • the bottom edges of the load-bearing wall elements arranged parallel to one another also known as bottom flanges, are connected to one another with a floor structure, so that the load-bearing structure has a U-shaped cross-section.
  • the supporting wall elements lying opposite one another are additionally connected to one another by means of cross braces at approximately half the height of the U-shaped cross section.
  • a revolving conveyor belt with pallets or steps a revolving conveyor belt with pallets or steps
  • guide rails that guide the conveyor belt
  • a drive group a main drive shaft via which the conveyor belt is deflected and driven
  • a control device by means of which a motor of the drive group can be controlled
  • casing parts that cover stationary components such as the supporting structure, but also moving parts of the escalator or moving walk and much more.
  • balustrades are provided on both sides of the conveyor belt, each with a circumferential handrail.
  • the balustrades protrude beyond the conveyor belt, with their balustrade components usually being fastened to the upper edge of the structure.
  • the balustrades are exposed to high loads, which are mainly directed transversely to the planar extent of the supporting wall elements. Because of this configuration, the aforementioned loads on the upper edges of the supporting wall elements cause high bending moments.
  • EP 1 321 424 B1 proposes a supporting structure whose supporting wall elements are made of sheet metal.
  • the highly stressed zones of this supporting structure are the lower chord already mentioned and the upper chord running along the upper edge of the supporting wall element. This is subjected to pressure when the supporting structure is installed in the structure resting on the support points. So that the upper chord does not buckle as a result of the pressure load, it is proposed in the aforementioned document to stiffen it with a square tubular profile.
  • This square profile also has a high area moment of inertia on its own, so that it also has a high torsional rigidity, which is suitable for supporting the bending moments acting on the balustrade.
  • EP 1 321 424 B1 teaches that the buckling resistance can also be achieved, for example, by folding the sheet metal edge.
  • This stiffening option is significantly cheaper than welding on a shaped profile, but represents a certain risk with regard to its torsional rigidity, because the fold is bent up when high bending moments occur, and the buckling rigidity of the upper flange is reduced as a result.
  • EP 3 109 196 A1 also proposes a modular supporting structure that is made from very thin, shaped sheet metal parts. In order to achieve the required rigidity, a large number of different components are used, so that assembling these components is very expensive.
  • the object of the present invention is therefore to provide a supporting wall element which can be produced inexpensively and which nevertheless ensures that balustrade components are secured under load.
  • the supporting wall element has a side wall part which is manufactured in one piece from sheet metal, with an upper chord being formed by folding on a first longitudinal edge of the side wall part.
  • a side wall of the side wall part extends between the upper chord and a second longitudinal edge lying opposite the first longitudinal edge.
  • the supporting wall element has at least one fastening flange for fastening balustrade components of a balustrade, with a first area of the fastening flange being firmly connected to the side wall of the side wall part, a second area of the fastening flange being connected to the
  • the upper chord protrudes orthogonally to its longitudinal extent and a central area of the fastening flange arranged between the first area and the second area at least partially encloses the section of the upper chord that is present in this area.
  • the bending moments acting on the supporting wall element from the balustrade are thus broadly supported around the top chord in the side wall.
  • the upper chord is reinforced by the partial enclosing of the fastening flange in the middle area, at least in a form-fitting manner against bending up relative to the side wall.
  • a lower chord can be formed by folding on the second longitudinal edge of the side wall part.
  • the side wall of the side wall part extends between the top chord and the second longitudinal edge or the bottom chord.
  • the top chord and the extend Bottom chord parallel to each other and on the same side of the side wall, so that as a result the side wall part has a C-shaped cross section.
  • offset recesses can be provided in the side wall of the support wall element so that connecting struts, also called uprights, arranged orthogonally to these are formed between the upper chord and the lower chord.
  • the offset of the recesses also forms diagonal struts, which extend between two connecting struts and the upper and lower chords.
  • the connecting struts and diagonal struts form a framework-like structure together with the upper chord and lower chord.
  • a truss is a structure made up of polygonal frames, such as steel bridges, steel masts or the Eiffel Tower. The most common frame shape is a triangle.
  • a truss-like structure is therefore to be understood as meaning a structure which is modeled on a truss and has comparable mechanical and weight-optimized properties to a truss made of steel profiles.
  • the recesses can have any geometric cutout area, for example in the form of a polygon, a drop, an ellipse, or even a circle.
  • Polygons such as, for example, triangular cut-out areas preferably have generously rounded corners in order to optimize the flow of forces within the framework-like structure.
  • connecting plates for cross braces can be arranged on the connecting braces, which also stiffen the connecting braces against lateral buckling.
  • the connecting plate is preferably designed to be shorter in its longitudinal extent than the connecting strut.
  • the connecting strut is stiffened against lateral buckling only in sections, but the remaining buckling length of the areas of the connecting strut that are not stiffened by the connection plate is sufficiently shortened.
  • the advantage of this shortened reinforcement is that the guide rails can be arranged close to the side wall. This allows a very narrow escalator or a very narrow moving walkway to be built.
  • the connecting plates can also be used to fasten structural parts of a floor structure of the supporting structure. Of course, fastening areas for further components of the escalator or the moving walk, such as base plates, components of the drive, guide rails and the like, can also be present on the connecting struts.
  • the fastening flange has an L-shaped cross section in its longitudinal extent. This L-shaped cross-section gives the mounting flange a high degree of rigidity against the bending moments of the balustrade acting on it. Due to the L-shaped cross section, the fastening flange has two legs.
  • the first of the two legs formed by the L-shaped cross section is arranged with its areal extension in a plane parallel to the side wall of the supporting wall element.
  • the second leg is aligned with its areal extension orthogonally to the side wall and is arranged on the side wall.
  • the upper chord can have a recess which is used for the exact positioning of the fastening flange in its middle area.
  • the recess can also increase the cross section of the second leg and thus the tensile, compressive and flexural strength of the central area.
  • the side wall can have an opening and the fastening flange can have a matching projection for the exact positioning of the first area of the fastening flange on the side wall. Together with the recess in the upper chord, a precise spatial alignment of the fastening flange on the side wall part can be achieved as a result.
  • the aforementioned means such as openings, projections and recesses also fix the mounting flange in its intended position in a form-fitting manner Side wall part, while the mounting flange is cohesively connected to the side wall part such as by gluing, soldering or welding.
  • the weld seams can be arranged between the side wall part and the fastening flange and not only limited to the first area. Welding seams can of course also be arranged in the central area between the upper chord and the fastening flange. This leads to an additional stiffening of the top chord and the mounting flange.
  • the fastening flange can have bores in the second area for receiving fastening means.
  • the balustrade components provided for fastening can also be connected to the fastening flange in a materially bonded manner.
  • detachable fastening means such as screws, pins and the like make maintenance and repairs to damage to the balustrade considerably easier and the aforementioned bores are therefore to be provided with preference.
  • the fastening flange can have fastening points in the first region for fastening further components of the escalator or moving walk, such as handrail support rollers, guide rails, cable ducts and the like.
  • the handrail support rollers are used in a ready-to-use escalator or a ready-to-use moving walk to return a handrail that runs around the balustrade and the guide rails to guide the conveyor belt.
  • a supporting framework can be assembled from the supporting wall elements described above.
  • a supporting structure has at least two supporting wall elements and at least one cross brace, the cross brace being arranged between the two supporting wall elements and connecting them to one another.
  • the supporting wall elements are usually also connected by a floor structure formed from profile rods, which connect the bottom flanges of the two supporting wall elements arranged parallel to one another.
  • the base structure can also be a closed sheet metal which is fastened to the two lower flanges, for example by means of weld seams.
  • weld seams weld seams
  • escalators or moving walks are often very long, they or their supporting structures cannot always be transported from the manufacturer's factory to the building in one piece, fully assembled.
  • the escalator or the moving walk is divided into sections, or their supporting structure is divided into supporting structure modules.
  • Such a supporting structure module has at least two supporting wall elements and at least one cross strut, the cross strut being arranged between the two supporting wall elements and connecting them to one another.
  • the supporting wall elements have connection points on the face side, as a result of which several supporting structure modules designed in this way can be serially connected to one another and assembled to form a supporting structure.
  • the supporting structure module can also have a floor structure of the aforementioned type.
  • an escalator or moving walk has a structure or a structure assembled from structure modules. At least one drive unit, guide rails, and a controller for controlling the drive unit are built into this structure. Furthermore, a conveyor belt is installed between the supporting walls or supporting wall elements of the supporting structure, which is guided around by the guide rails and can be driven by the drive unit.
  • the conveyor belt of a moving walk has pallets, the conveyor belt of an escalator has steps. At least two balustrades, which can be assembled from balustrade components, are erected above the support structure, the balustrades being arranged on both sides of the conveyor belt and fastened to the fastening flanges.
  • other components can be installed in or on the supporting structure in order to make the escalator or moving walk ready for operation.
  • Figure 1 is a sectional side view of an escalator, the one from
  • FIG. 2 shows a three-dimensional view of one of the supporting structure modules shown in FIG. 1;
  • FIG. 3 shows the section A-A indicated in FIG. 2 in an enlarged representation
  • Figure 4 shows an enlarged, three-dimensional view of a fastening flange from the viewing direction B indicated in Figure 2.
  • FIG. 1 shows a schematic side view of an escalator 1 which connects a first floor E1 to a second floor E2 of a structure 3.
  • the escalator 1 has a supporting framework 11 which is composed of four supporting framework modules 13, 15, 17, 19 serially connected to one another.
  • the support structure 11 is supported by two support brackets 16 arranged at the ends on the floors 5, 7 of the floors El, E2 of the building 3 and spans the existing space 9 between the floors El, E2 like a bridge.
  • the first supporting structure module 13 arranged on floor El has an access area 21 .
  • the fourth structural module 19 also has an access area 23 and is located on floor E2.
  • the second structural module 15 and the third structural module 17 are arranged between the first structural module 13 and the fourth structural module 19 and connect them.
  • the second and third structural modules 15, 17 are shown in more detail and have an identical structure in the present example.
  • the structural modules 13, 15, 17, 19 are connected to one another via connection points 31. Detachable connecting means such as high-strength screws are usually used for this purpose.
  • the support structure 11 accommodates all other components of the escalator 1 in a load-bearing manner and supports them on the structure 3 .
  • Such components are, for example, a drive unit 41, Guide rails 43 and a controller 45 for controlling the drive unit 41.
  • a conveyor belt 25 is arranged between the supporting wall elements 63, 65 of the supporting structure 11, which are described further below in FIG.
  • the conveyor belt 25 of the escalator 1 has steps 27 . In the case of a moving walkway, the conveyor belt 25 would have pallets instead of steps 27 .
  • the conveyor belt 25 is guided in a circumferentially movable manner by the guide rails 43 and can be driven by the drive unit 41 .
  • balustrades 51 that can be assembled from balustrade components 53, 55, 57 (only one of the two balustrades 51 is visible on the basis of Figure 1 shown in the side view) are erected above the supporting structure 11, with the balustrades 51 being arranged on both sides of the conveyor belt 25 Mounting flanges 61 of the structure 11 are attached.
  • FIG. 2 shows the supporting structure module 17 shown in FIG. 1 in a three-dimensional view.
  • This has two supporting wall elements 63, 65 arranged parallel to one another, which differ from one another only in their mirror-symmetrical structure.
  • Each of the two supporting wall elements 63, 65 has a side wall part 67 which is made in one piece from sheet metal.
  • An upper chord 69 is formed on a first longitudinal edge 47 of the side wall part 67 by folding.
  • a lower chord 71 is likewise formed by folding.
  • a side wall 73 of the side wall part 67 extends between the upper flange 69 and the lower flange 71.
  • the upper chord 69 and the lower chord 71 extend parallel to one another and on the same side of the side wall 73, so that the side wall part 67 has a C-shaped cross section.
  • connecting struts 81 and obliquely arranged diagonal struts 83 are formed.
  • the connecting struts 81, also called uprights, and the diagonal struts 83 extend between the upper chord 69 and the lower chord 71 and, together with the upper chord 69 and lower chord 71, form a framework-like structure.
  • the recesses 75, 77, 79 can have any geometric cut-out surface, for example in the form of a polygon, a drop, an ellipse, or even a circle. Polygons such as the triangular recesses 75 preferably have generously rounded corners in order to optimize the flow of forces within the framework-like structure.
  • the sheet metal sections of the recesses 75, 77, 79 cut out, for example by means of laser cutting methods or water jet cutting methods, can be used to produce further components of the supporting wall elements 63, 65, for example for the connection plates 85, 89 described below or the fastening flanges 61.
  • connecting plates 85 for cross braces 87 can also be arranged on the connecting braces 81, which also stiffen the connecting brace 81 against lateral buckling.
  • Connecting plate 85 is preferably shorter in its longitudinal extension than connecting strut 81.
  • connecting strut 81 is stiffened against lateral buckling only in sections, but the remaining buckling length of the areas of connecting strut 81 not reinforced by connecting plate 85 is sufficiently shortened.
  • the advantage of this shortened stiffening is that the guide rails 43 shown in FIG. 1 can be arranged close to the side wall 73. As a result, a very narrow escalator 1 or a very narrow moving walkway can be produced.
  • the cross braces 87 are arranged between the two supporting wall elements 63, 65 and connect them firmly to one another to form the supporting structure module 17.
  • connecting plates 89 are also welded in, which are used to fasten structural parts 91 , indicated by a broken line, of a floor structure of the supporting framework module 17 .
  • the two lower chords 71 of the two supporting wall elements 63, 65 are connected to one another with a floor plate 93, so that the supporting structure module 17 has a U-shaped cross section. So that the support wall modules 13, 15, 17, 19 (see also Figure 1) to each other can be connected to a supporting framework 11, the supporting wall elements 63, 65 have connection points 95 on the face side.
  • each of the supporting wall elements 63, 65 has a plurality of fastening flanges 61 for fastening balustrade components 53, 55, 57 of the balustrade 51 shown in FIG.
  • FIG. 3 shows the fastening flange 61 according to the section A-A indicated in Figure 2 in an enlarged representation
  • Figure 4 shows an enlarged, three-dimensional view of a fastening flange 61 from the viewing direction B indicated in Figure 2.
  • the fastening flange 61 is designed in such a way that a first region 101 of the fastening flange 61 is firmly connected to the side wall 73 of the side wall part 67 .
  • a second area 103 of the fastening flange 61 projects beyond the upper chord 69 orthogonally to its longitudinal extent, and a central area 105 of the fastening flange 61, which is arranged between the first area 101 and the second area 103, at least partially encloses or surrounds the section 107 present in this area 105 of the upper chord 69. So that the upper chord 69 can protrude through the fastening flange 61, the fastening flange 61 has a gap 123 in the middle region 105.
  • the fastening flange 61 also has an L-shaped cross section in its longitudinal extent L. This L-shaped cross section gives the fastening flange 61 a high level of rigidity against the bending moments M of the balustrade 51 acting on it.
  • the fastening flange has two legs 125, 127 due to the L-shaped cross section.
  • the first of the two legs 127 formed by the L-shaped cross section is arranged with its areal extent in a plane parallel to the side wall 73 of the side wall part 67 .
  • the second leg 125 is arranged on the side wall part 67 with its two-dimensional extent orthogonal to the side wall 73 . by means of second leg 125, the section 107 of the upper chord 69, which is present in the middle region 105 of the fastening flange 61, can be partially enclosed or surrounded in an ideal manner.
  • the support-shaped balustrade component 55 of the balustrade 51 shown in FIG. 4 can be mounted on the second region 103 of the mounting flange 61 by means of fastening means 109 such as screws, pins, cotter pins or rivets.
  • fastening means 109 such as screws, pins, cotter pins or rivets.
  • 61 holes 141 are provided in the second region 103 of the mounting flange. Due to the fact that the fastening flange 61 protrudes around the upper chord 69 , bending moments M of the balustrade 51 acting on the fastening flange 61 are guided around the upper chord 69 and broadly supported in the side wall 73 .
  • the upper chord 69 is reinforced at least in a form-fitting manner against bending relative to the side wall 73 by the partial enclosing of the fastening flange 61 .
  • the upper chord 69 can have a recess 121 which is used for the exact positioning of the fastening flange 61 in its middle region 105. Due to the recess 121, the gap 123 can also be shorter, or the cross section of the second leg 125, and thus the tensile, compressive, and bending strength of the middle region 105 can be increased.
  • the side wall 73 can have an opening 129 and the fastening flange 61 can have a matching projection 131 for the exact positioning of the fastening flange 61 in the first area 101 . Together with the recess 121 of the upper chord 69, a precise spatial alignment of the fastening flange 61 on the side wall part 67 can thereby be achieved.
  • the aforementioned means such as openings 129, projections 131 and recesses 121 also fix the fastening flange 61 in its intended position in a form-fitting manner on the side wall part 67, while the fastening flange 61 is bonded to the side wall part 67, for example by gluing, soldering or welding.
  • the weld seams can be arranged between the side wall part 67 and the fastening flange 61 and not just limited to the first region 101 . Welds can of course also in the central area 105 between the upper chord 69 and the fastening flange 61 are arranged.
  • the fastening flange 61 in the first area 101 can also have fastening points for fastening further components of an escalator 1 or a moving walk.
  • Such components can be, for example, consoles with guide rollers or the cable duct 139 indicated by a broken line.
  • FIG. 1 shows an escalator 1
  • the supporting walls 63, 65 according to the invention can also be used for a supporting structure 11 of a moving walkway.

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

L'invention concerne un élément de paroi de support (63, 65) d'une structure de support (11) d'un escalier roulant (1) ou d'un trottoir roulant. Celui-ci comprend une partie de paroi latérale (67) qui est usinée d'une seule pièce parmi une tôle métallique, une corde supérieure (69) étant formée sur un premier bord longitudinal (47) de la paroi latérale (67) par cintrage et une corde inférieure (71) étant formée sur un second bord longitudinal (49) de la paroi latérale (67) opposée au premier bord longitudinal (47) par cintrage, et une paroi latérale (73) de la partie de paroi latérale (67) s'étendant entre la corde supérieure (69) et la corde inférieure (71). L'élément de paroi de support (63, 65) comprend en outre au moins une bride de fixation (61) pour fixer des composants de balustrade (53, 55, 57) d'une balustrade (51), ladite bride de fixation (61) étant fermement reliée à la paroi latérale (73) de la partie de paroi latérale (67), faisant saillie sur la corde supérieure (69) orthogonalement à l'étendue longitudinale de ladite corde supérieure et entourant au moins partiellement la partie de la corde supérieure (69) présente dans cette région (105).
EP22710606.9A 2021-03-26 2022-03-08 Structure de support d'un escalier roulant ou d'un trottoir roulant Pending EP4313836A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21165164 2021-03-26
PCT/EP2022/055779 WO2022200029A1 (fr) 2021-03-26 2022-03-08 Structure de support d'un escalier roulant ou d'un trottoir roulant

Publications (1)

Publication Number Publication Date
EP4313836A1 true EP4313836A1 (fr) 2024-02-07

Family

ID=75252375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22710606.9A Pending EP4313836A1 (fr) 2021-03-26 2022-03-08 Structure de support d'un escalier roulant ou d'un trottoir roulant

Country Status (2)

Country Link
EP (1) EP4313836A1 (fr)
WO (1) WO2022200029A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022118001A1 (de) 2022-07-19 2024-01-25 Tk Elevator Innovation And Operations Gmbh Tragkonstruktion für eine Fahrtreppe oder einen Fahrsteig
EP4353662A1 (fr) * 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Dispositif de voie de circulation comprenant une structure porteuse et des éléments de revêtement
EP4353657A1 (fr) 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Dispositif de réception de charge destiné à recevoir une charge sur un profilé, en particulier dans un dispositif de voie de circulation
EP4353654A1 (fr) * 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Dispositif de voie de circulation comportant au moins trois sections longitudinales, procédé et utilisation
EP4353651A1 (fr) * 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Structure de support pour un dispositif de voie de circulation
EP4353664A1 (fr) * 2022-10-10 2024-04-17 TK Elevator Innovation and Operations GmbH Dispositif de voie de circulation comportant au moins trois sections longitudinales, procédé et utilisation
WO2024078878A1 (fr) 2022-10-10 2024-04-18 Tk Elevator Innovation And Operations Gmbh Système de guidage comprenant au moins trois sections longitudinales, procédé et utilisation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1321424B1 (fr) 2001-12-19 2015-10-28 Inventio AG Charpent pour escalier mécanique
US8950568B2 (en) * 2011-05-25 2015-02-10 Thyssenkrupp Norte, S.A. Support, module, transport system for displacement of people/goods and modernization method of people/goods transport systems
EP3109196A1 (fr) 2015-06-25 2016-12-28 Thyssenkrupp Elevator Innovation Center, S.A. Escalier roulant ou tapis roulant à treillis modulaire et procédé d'assemblage d'un escalier ou tapis roulant

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