EP2200925B1 - Structure de marche ou structure de palette pour des unités de marche d'un système de transport, unités de marche et système de transport - Google Patents

Structure de marche ou structure de palette pour des unités de marche d'un système de transport, unités de marche et système de transport Download PDF

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Publication number
EP2200925B1
EP2200925B1 EP08804837.6A EP08804837A EP2200925B1 EP 2200925 B1 EP2200925 B1 EP 2200925B1 EP 08804837 A EP08804837 A EP 08804837A EP 2200925 B1 EP2200925 B1 EP 2200925B1
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EP
European Patent Office
Prior art keywords
plate
cheek
support
sheet metal
cheeks
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EP08804837.6A
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German (de)
English (en)
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EP2200925A1 (fr
Inventor
Michael Matheisl
Thomas Illedits
Thomas Novacek
Harald GÖSSL
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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
    • B66B23/08—Carrying surfaces
    • B66B23/12—Steps

Definitions

  • the invention relates to a step substructure or pallet substructure for vehicles according to the preamble of claim 1, tread units, ie stages or pallets with such a step substructure or pallet substructure and driving devices with such tread units.
  • Driving devices which may also be referred to as conveyors, are escalators and moving walks with a plurality of treading units, i. Steps or pavement pallets connected to an endless conveyor. Users of the driving devices stand on treads of the kiting units or they walk on the kiting units in the same direction of movement as the ferry devices drive or move.
  • the tread units form escalator steps, hereafter referred to as steps, and for ride surfaces, the tread units form pavement pallets, hereafter referred to as pallets.
  • Escalators overcome with relatively large inclination greater differences in height as entire floors. Moving walkways, on the other hand, run horizontally or slightly at an angle, but generally with lower angles of inclination than escalators.
  • Such driving devices include drive trains, which are designed as stepped or pallet chains. In the following, for the sake of simplicity, only drive trains are mentioned. These drive trains are driven to move the steps or pallets in the conveying direction, and they are according to the prior art at regular intervals with so-called step rollers or
  • Pallet rollers (rollers, chain rollers) provided. These casters move or roll along dedicated rails. In the area of the ends of the driving devices, the drive trains run around the rollers around deflection wheels (for example sprockets) and thus make a change of direction. Instead of the tow rollers and sliding elements can be used.
  • the sliding elements or rollers (rollers) are directly attached to a step or pallet chain, which serves as a drive train, as described above.
  • step or pallet chains including the sliding or rolling elements attached thereto, two further rollers are required per step or pallet, which are referred to as drag rollers and roll along separate guide rails.
  • stages or pallets have been relatively expensive to manufacture or pour and also expensive, since they must be very stable and torsionally rigid.
  • the steps or pallets must be made very accurately in order to guarantee a safe, quiet, jerk-free run.
  • An essential element of each step or pallet is the stepped substructure or pallet substructure, which has a solid, essential supporting function.
  • the substructure must be very stable, stable, torsionally stiff and lightweight, which leads to high material costs and material use and processing costs and die-casting production costs.
  • the pallet base consists of a frame of four metal angles, within which three Angle strips are provided. For steps, only the three angle strips are provided together with two step cheeks. These metal angles or angle strips are thick and therefore heavy.
  • JP 08-245152 A are provided as a stepped base two cross members in the form of solid metal angle, which interact with step cheeks.
  • the DD 69443 relates to a step for escalators, wherein the side cheeks are integrally connected to a front part.
  • the front part is covered by a seat element.
  • a tread plate On this angled element is a tread plate, which serves as a carrier for a tread element. Overall, so here is a lot of massive sheet metal used.
  • An inventive step substructure (step support frame, step support frame) or pallet substructure is arranged substantially below a tread element and in the case of a step also behind a setting element.
  • the step substructure or pallet substructure comprises a front cross member and a rear cross member or a rear cross member, which together define or define a plane for receiving a tread element.
  • the tread element serves as a step or Trittpalette for passengers or passengers, which are transported with the driving device.
  • a central longitudinal strut (center support or center strut or tension strut), which is substantially parallel to the step cheeks or pallet cheeks and perpendicular to the two cross members.
  • the longitudinal strut connects the two cross members.
  • the cross members are made of deep-drawn sheet metal and welded to the supporting cheeks or pallet cheeks to a supporting frame or connected or riveted or screwed or verclincht or glued.
  • the height of the cross member at the ends is smaller than the height of the cross member in the middle, so that the cross member have a bulbous shape.
  • the height of the cross member in the middle is at least 1.5 times and at most twice as large as the height of the cross member at the ends, so that results in the cross members under load a uniform voltage curve.
  • the mechanical stability is highest in the middle, where it is needed the most, and at the edge, where less mechanical stability is needed, the lower height saves weight.
  • a stability can be achieved even with relatively thin deep-drawn sheet, which comes close to the stability of the known thick and heavy sheet metal angle, although the weight is much lower.
  • driving device 1 is an escalator, which connects a lower level E1 with an upper level E2.
  • the driving device 1 has lateral balustrades 4 and base plates 3 and an endless conveyor with drive trains.
  • drive trains are typically two parallel conveyor chains or step chains 15 with chain rollers 16 are used (see Fig. 3B ) to set the stages 2 in motion.
  • an endless handrail 10 is provided.
  • the handrail 10 moves in solidarity or slightly leading with the drive trains or chain strands and the steps 2 or pallets.
  • the supporting or truss and the reference numeral 3 denotes the base plate of the driving device 1.
  • the endless conveyor of the driving device 1 essentially comprises a plurality of tread units (stages 2), as well as the two laterally arranged drive trains, respectively step chains 15, between which the steps 2 are arranged and with which the steps 2 are mechanically connected.
  • the endless conveyor comprises a drive, not shown, as well as an upper deflection 12 and a lower deflection 13, which are located in the upper or lower end region of the driving device 1.
  • the steps 2 have tread elements 9 (treads).
  • stages 2 which includes a step substructure 17 of deep-drawn elements instead of the usual step substructure.
  • steps 2 are the Figs. 3A to 7B refer to.
  • the substructure or step substructure 17 has, inter alia, two lateral step cheeks 20 with rollers 6 attached thereto (also referred to as tow rollers). These drag rollers 6 are mechanically connected to the respective step cheeks 20 and designed so that they drive or roll in the lead area along a first guide rail 5.1, when the endless conveyor of the driving device 1 is in motion, as in Fig. 2 can be seen.
  • the first guide rails 5.1 are referred to in the present context as Vorlauf arrangementsschienen to emphasize their function.
  • the course, respectively the position of the step chain 15 with the chain rollers 16 located thereon (not in FIG Fig. 2 shown) is in Fig. 2 indicated only by the line 8. Details of the arrangement of the step chain 15 and the chain rollers 16 located thereon are in Fig. 3B to recognize. In this figure, the tread element 9 and the setting element 14 are particularly easy to recognize.
  • Fig. 4A is a perspective view of a complete inventive substructure or step substructure 17 together with the two lateral step walls 20.1, 20.2 shown. Seen in the direction of travel, when the steps 2 move from the plane E1 to the plane E2, the step cheek 20.1 is arranged on the right and the step cheek 20.2 on the left of the tread element 9.
  • Each step cheek 20.1, 20.2 has a drag roller 6.1, 6.2 and a chain axle or chain pin axle 21.1, 21.2.
  • In the step cheek 20.1 and 20.2 is at least one central recess 29, so an opening, available.
  • each step cheek 20.1 and 20.2 a sheet metal shelf 26 (sheet metal collar, sheet metal wall, sheet metal edge) on (see, eg FIGS. 6A to 6D ), which was formed during deep drawing.
  • This sheet metal plate 26 extends substantially perpendicular to the surface of the step cheek 20.1 and the step cheek 20.2.
  • the sheet metal shelf 26 does not necessarily have to run along the entire step cheek 20.1 or 20.2. It can also be present only partially or in sections. Good to see the rotating sheet metal 26 in the Fig. 6B and 6D ,
  • the Stuchenunterbau 17 includes in addition to the aforementioned step cheeks 20.1 and 20.2, for example, a front cross member 24, a rear cross member 22 and a middle side member 23 (center support or center support).
  • These carriers 22, 23, 24 can be made according to the invention of deep-drawn sheet metal be.
  • the carrier and the step cheek together form the base of the step or the so-called support frame or the support frame.
  • the tread element 9 and the setting element 14 are attached.
  • One way to attach these elements 9 and 14 is in the Figs. 7A and 7B shown.
  • the carriers 22, 23, 24 and the step cheeks 20.1, 20.2 are welded together or riveted or connected or screwed or glued or clinched.
  • spot welds or projection welds are made to connect these elements together.
  • the use of hot-dip galvanized or electrolytically galvanized sheets is possible in spot welding or Bückelschweissungen, since the surface protection against corrosion during welding is not damaged.
  • Fig. 4B the plan view of a substructure or stepped substructure 17 is shown.
  • the beams 22 and 24 span a plane E3 (see also FIG Fig. 4A ).
  • the plane E3 lies in the drawing plane.
  • the two carriers 22 and 24 extend parallel to each other in this plane E3.
  • a middle longitudinal beam (center beam or center beam) 23 is welded or riveted or connected or screwed or glued or as a tension strut clinched.
  • the beams 22 and 24 are provided with a series of relief notches 18 to reduce the stress load notch effect. These relief notches 18 are located in the bending region of the carrier 22, 24th
  • mounting portions 19 are provided.
  • islands or towers are formed in the metal sheet or steel sheet or NIROSTA sheet or zinc sheet or copper sheet, respectively, which rise slightly relative to the surrounding sheet metal material.
  • a hole is provided centrally in each of these attachment areas 19 in order to be able to push through a fastening bolt or plug-in pin 37 (see also FIG Figs. 7A and 7B ). With the fastening bolts or locking pins 37, the tread element 9 on the carriers 22, 24 and the setting element 14 on the rear cross member 22 and a bracket 40 (see Fig. 3B ) attached.
  • Fig. 4C is a sectional view taken along the line AA in Fig. 4B shown.
  • Fig. 4C on the one hand, the inside of the step cheek or cheek 20.2 and on the other hand, a side of the central longitudinal member 23 (center support or center support) can be seen.
  • the longitudinal member 23 (center support or center support) forms a "C-profile", the opening facing upward. That is, the actual side member is slightly offset from the plane E3.
  • Fig. 4D shows a front view of the step substructure 17.
  • the lateral step cheeks 20.1, 20.2 can be seen, which are perpendicular to the cross members 22, 24, respectively to the plane E3.
  • Fig. 4D are three mounting portions 19 can be seen.
  • the setting element 14 is attached.
  • the bracket 40 extends between the two step cheeks or cheeks 20.1, 20.2 and is held there by mounting plates or angles 40.1, 40.2.
  • elements for example the carriers 22, 23, 24 and the step cheeks 20.1, 20.2 are used whose shape and thickness are adapted to the respective mechanical loads.
  • the cross members 22, 24 of the step substructure which are sometimes referred to as cross bridges, a simple cross-sectional profile with constant cross-section over the entire. Length (speak step width).
  • the cross members 22 and 24 are precisely and precisely adapted to the loads occurring, whereby material is saved to a high degree.
  • both cross members 22, 24 have a height that increases toward the center. At the two extreme ends, however, the height is much lower.
  • the height H2 on the side is significantly smaller than the height H3 in the middle (see FIG Fig. 4D ), where H3 can be nearly twice as large as H2.
  • the carriers 22, 24 have, in other words, a downwardly bulging shape. This design takes into account the fact that the mechanical stresses are greatest in the middle of stage 2 or the pallet. Furthermore, this bulbous shape allows a constant flow of force, and the voltages can be uniformly or constantly recorded.
  • the cross members 22, 24 executed as "carrier of equal strength". Consequently, a consistent voltage curve and a constant or uniform voltage in the cross member 22 and the cross member 24 result.
  • Fig. 9 shows the calculated by FEM simulations, which form in the rear cross member 22 when the escalator stage 2 with 0.5 kN or 1 kN, 2 kN, 2.5 kN and 3 kN is charged (top-down view).
  • both carriers 22, 24 have an essentially L-shape, wherein one leg of the L-profile lies in the plane E3 and the second leg is in a plane perpendicular thereto.
  • carriers 22, 24 which have an asymmetrical U-shape, wherein a lateral leg of the U-profile is substantially shorter and the other longer leg having the described bulbous shape.
  • Deep-drawing makes it easy to create both L- and U-shaped profiles.
  • a hollow body or body or carrier or hollow carrier or a bridge with the same sheet metal thickness as possible is produced from the flat sheet metal cross section (for example sheet metal from a steel coil).
  • the front cross member 24 is dimensioned less large than the rear cross member 22, since the rear cross member 22 in the step edge (edge between tread element 9 and setting element 14) is arranged and there heavy loads, ie higher loads than the front cross member 24 exposed becomes.
  • the length L1 is smaller than the length L2 (see Fig. 4B ), the length being measured in the direction of travel.
  • the front cross member 24 is made For reasons of weight optimization or material efficiency smaller dimensioned or designed smaller than the rear cross member 22. This material saving and a minimum weight are achieved. Consequently, a weight-optimized and voltage-optimized dimensioning of the cross members 22, 24 or of the substructure is optimally feasible and achievable.
  • Fig. 5C is the middle side member 23 (center support or center support or tension strut or center strut) shown.
  • the longitudinal member 23 has the shape of a flat C-profile, wherein the two lateral legs can be the same length, respectively the same height. Viewed in cross-section, ie in a sectional plane BB, which runs parallel to one of the transverse beams 22, 24, the longitudinal beam 23 has a symmetrical U-shape.
  • the side legs 23.3 and 23.4 of the U-profile have depending on the position of the cutting plane a different length, respectively height, and are weight optimized.
  • tabs 23.1 are provided, which are bent outwards or inwards. These many different tabs 23.1 allow the side member 23 to be easily welded inward into the cross members 22, 24, or to be screwed or screwed or glued or fastened. Some of these tabs 23.1 are in Fig. 5C provided with reference numerals.
  • the stepped substructure 17 of the side member 23 is not in the in Fig. 5C but shown the flat portion 23.2 of the U-profile, which connects the two side legs 23.3 and 23.4, points away from the tread element 9 and from the tread surface of the stage 2.
  • FIGS. 6A to 6D are more details or details of a left step cheek 20.2 can be seen.
  • the step cheek 20.2 is "equipped with all elements" and can be integrated or welded in the form shown in the step substructure 17.
  • a Jardinnauges 32 also called chain pin roller eye
  • a chain pin axis 21.2 or chain roller axle is inserted or inserted.
  • a plain bearing bush can be pressed (not visible in the figures), and then take the chain pin axis 21.2.
  • the chain pin axis 21.2 or chain roller axle is a plug-in axis.
  • the thru-axle can be designed with a calibrated mounting hole.
  • the chain roller axle 21.2 or chain pin axis serves as a driver or connection for the step or pallet on the chain or conveyor chain 15 (see Fig. 3B ).
  • the stepped eye 32 is completely defined by the deep-drawn sheet or steel sheet or NIROSTA sheet or zinc sheet or copper sheet, or it is completely surrounded by the metal sheet.
  • a plain bearing bush can be pressed (see Fig. 6D ), and then a tow roller axis 25 (see Fig. 6A ) or to receive a roller journal.
  • the tow roller axle 25 or the roller journal can be secured with a nut or be welded or secured by welds.
  • the towing axle 25 or the roller journal is preferably a plug-in axle or a plug-in pin.
  • the towing roller axle 25 or the roller journal serves as an axis for the tractor roller 6.2.
  • the Schlepprollenauge 30 is completely defined by the deep-drawn sheet metal, or it is completely enclosed by the sheet or surrounded, such as in Fig. 6D can be seen.
  • the step cheek 20.2 can be stiffened from the inside with a Schliessblech 27 or supported or covered.
  • This Schliessblech 27 (also referred to as 1st Schliessblech) can be welded into a cavity or hollow part or hollow web or steps (cheeks) holm, which results from the deep drawing. A similar 2.
  • the Schliessblech 34 may be provided in the region of the stepped eye 32 (see Fig. 6A ).
  • the second Schliesblech 34 may be formed or configured as an additional bearing mount.
  • the deep-drawn sheet is provided with the recess 29, respectively with the opening.
  • This recess 29 is preferably produced after deep drawing by cutting or punching the sheet.
  • the eyes 30 and 32 can be pre-cut before they receive a circulating sheet metal collar 31 or 33 by deep drawing.
  • the so-called eyes 30 and 32 are produced after deep drawing by cutting or piercing or punching.
  • An edit after deep drawing has the advantage of uniform collar thickness. This means that the eyes or the eye has the uniform support or bearing support or bearing length or storage depth or bearing width and the uniform wall thickness or wall thickness and the exact centricity.
  • the circumferential metal collar 31 and 33 facilitate the stable installation of the sliding bush or the sliding bushes for the respective axles 21.2 and 21.1 or for the pin or for the towing roller axis 25th
  • step cheek is given sufficient stability by having additional formations 28 and additional beads 28.
  • sheet metal shelf 26 gives the thin deep-drawn sheet very high or very high stability.
  • a setting element 14 is shown from the rear.
  • the setting element 14 is preferably a sheet metal element which has been brought into the desired shape by deep-drawing or preferably by double-deep drawing.
  • the surface of the setting element 14 has grooves and ribs which, in FIG Fig. 7A can be seen from behind.
  • Fig. 3B is the front of the setting element 14 with the grooves and ribs to recognize.
  • a first mounting plate 35 and a second mounting plate 38 are welded or fastened in the example shown.
  • a plurality of welding points 36 and / or riveting and / or screws and / or splices and / or clinching points are provided to attach the mounting plates 35, 38 on the back of the setting element 14.
  • Fig. 7A are the respective welding points 36 or attachment points to recognize.
  • fastening bolts or locking pins 37 can be inserted from behind through holes in the mounting plates 35, 38. By welding or fastening the mounting plates 35, 38 on the back of the setting element 14, these fastening bolts or locking pins 37 are protected against falling out. If now the setting element 14 is pressed with its rear side against the step substructure 17, the fastening bolts or plug pins 37 are received by holes which are provided in fastening areas 19 of the step substructure 17.
  • fastening bolts or plug bolts 37 penetrate so far through the holes in the mounting areas 19 of the step substructure 17 that from the back (ie from the interior of the step substructure 17 ago) quick fasteners 37.1, 37.2 or other clamping discs or gripping rings or fasteners 41st can be placed or pressed onto the mounting bolts or locking pins 37.
  • a tread element 9 or a tread is shown from below.
  • the tread element 9 or the tread surface is preferably a sheet metal element which has been brought into the desired shape by deep drawing.
  • the surface of the tread element 9 and the tread grooves and ribs which in Fig. 7B can be seen from below.
  • Fig. 3B is the top of the tread element 9 and the tread surface with the grooves and ribs to recognize.
  • On the underside of the tread element 9 or tread surface a plurality of mounting plates 39 are welded or fastened in the example shown.
  • a plurality of welding points 36 and / or riveting points and / or screws and / or splices and / or clinching points are provided to weld or rivet or screw or screw the mounting plates 39 or reinforcing plates or stiffening plates on the back of the tread or tread surface 9 or to glue or pinch.
  • the respective weld points 36 and attachment points 36 can be seen.
  • raised fastening areas are provided, which are arranged such that they come to lie above the corresponding mounting areas 19 of the step substructure 17 during assembly.
  • fastening bolts or locking pins 37 can be inserted from behind through holes in the mounting plates 39. By welding or fastening the mounting plates 39 on the underside of the tread element 9 or the tread surface, these fastening bolts or locking pins 37 are protected against falling out. If now the tread element or the tread surface 9 is pressed with its rear side against the step substructure 17, the fastening bolts 37 or locking pins are received by holes which are provided in fastening regions 19 of the step substructure 17.
  • the fastening bolts or plug bolts 37 penetrate so far through the holes in the mounting areas 19 of the step substructure 17 that from the underside (ie from the interior of the step substructure 17 ago) Schmellbefestnsstoff 37.1, 37.2 or other clamping disks or gripping rings or fasteners 41st on the Fixing bolts 37 and socket pins can be placed or pressed.
  • quick fasteners 37.1, 37.2 which can be used according to the invention. It should be noted that the representations in the Figs. 8A and 8B is about simplified representations. Neither the dimensions are shown correctly, nor are the sheets or steel sheets or NIROSTA sheets or zinc sheets or copper sheets flat in the connection area.
  • a pin-shaped fastening element is shown as a fastening bolt 37 or locking pin.
  • This fastening bolt 37 or locking pin is pushed through holes in the two parts to be joined (eg in the first mounting plate 35 and in the cross member 22).
  • the fastening plate 35 together with the fixed-welded or fixed-riveted thereto or screw-fastened or glued-on or firmly-clasped setting element 14, are secured to the cross member 22.
  • FIGs. 8C and 8D Further fastening means or clamping disks or gripping rings 41 are shown, which can be set or clamped on the groove-free journal of a fastening bolt 37 or plug pin, in order to fix the fastening bolt 37 and the corresponding deep-drawn sheets 22, 35.
  • Fig. 8C is a metallic gripping ring 41 and in Fig. 8D a metallic clamping disk 41 is shown.
  • a H380 or H400 thermoforming sheet is used for parts of the step substructure 17, wherein the numbers 380 and 400 indicate the yield strength in N / mm 2 .
  • These sheets are particularly suitable because a tensile breaking strength of at least 900 N / mm 2 given is. Moreover, it is particularly advantageous if the sheets have a tensile breaking strength of at least 1100 N / mm 2 .
  • the deep drawing sheet used preferably has a thickness between 0.75 mm and 1.9 mm. Particularly preferred is a thickness of 1.1 to 1.6 mm.
  • thermoforming sheet is chosen according to the above specifications, then the step cheeks, respectively the step (s), will comply with all EN 115: Safety rules for the construction and installation of escalators and moving walkways, as well as the AN - American National Standard - ASME A17 .1-2004: Safety code for elevators and escalators.
  • the deep-drawn sheet has a surface coating.
  • Particularly preferred are surface coatings which are produced by dip coating.
  • KTL cathodic dip coating
  • the result of the KTL is a very uniform coating of the deep-drawn sheet with uniform layer thicknesses and good surface qualities.
  • the deep-drawn sheet After the KTL treatment, the deep-drawn sheet has a uniform, continuous lacquer layer. Particularly good results are achieved when the KTL treatment is applied after deep drawing of the sheet.
  • the invention can be applied not only on escalators, but also on moving walks. This will now be based on the 10 to 18 explained. Many parts of the pallet for the moving walk have their equivalent at the step for the escalator; these parts bear the same reference number, but with an apostrophe provided; so does the tread element the pallet the reference numeral 9 ', because the tread element of the stage is denoted by 9. If there is agreement with the level, the parts will not be explained again.
  • the pallet substructure 17' can be formed symmetrically in the longitudinal direction and in the transverse direction. So you can form the two parts of the pallet base 17 'identical. Relief notches 18 'are analogous as in the stage available.
  • each pallet cheek 20.2 ' has a drag roller eye 30' and a pallet eye 32 ', both of which are surrounded by a sheet metal collar 31' and 33 ', respectively, which has been produced by deep drawing.
  • a strike plate 27' for stiffening the Schlepprollenauges 30 'is a strike plate 27' (see Fig. 16 ), which has an opening 27 '', which serves to receive the tow roller axle. It is so mounted on the pallet cheek 20.2 '(eg, welded) that the opening 27''and the Schlepproollenauge 32' are coaxial (see Fig. 11 ).
  • the tow roller axle is supported at two axially spaced points. Since the two chain pin axles 21.1 'and 21.2' are connected to one another via the pallet axis 21.3 ', no torsional forces act on the pallet eyes 32', so that no striking plate is necessary.
  • the pallet axle 21.3 ' is mounted in the side member 23'.

Landscapes

  • Escalators And Moving Walkways (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Tyre Moulding (AREA)

Claims (19)

  1. Structure inférieure de marche (17) ou structure inférieure de palette pour une marche ou une palette d'un dispositif de transport (1), étant précisé que ladite structure inférieure de marche (17) ou de palette comprend :
    - une traverse arrière (22) et une traverse avant (24) qui définissent un plan (E3) pour recevoir l'élément formant marche (9) ;
    - deux flancs de marche extérieurs (20.1, 20.2) ou flancs de palette, un flanc de marche (20.1) ou flanc de palette étant disposé à droite tandis que l'autre flanc de marche (20.2) ou flanc de palette est disposé à gauche, globalement perpendiculairement aux traverses (22, 24), étant précisé que les deux traverses (22, 24) sont fabriquées à partir d'une tôle emboutie et sont reliées aux flancs de marche (20.1, 20.2) ou flancs de palette par soudage, raccordement, rivetage, vissage, collage ou clinchage pour former un cadre porteur,
    caractérisée en ce que la hauteur (H2) des traverses (22, 24) à leurs extrémités est inférieure à la hauteur (H3) des traverses (22, 24) en leur centre, de sorte que lesdites traverses (22, 24) présentent une forme bombée, et
    en ce que la hauteur (H3) des traverses (22, 24) en leur centre est au minimum 1,5 fois supérieure et au maximum deux fois supérieure à la hauteur (H2) des traverses (22, 24) à leurs extrémités, de sorte qu'une contrainte donne une courbe de tension régulière dans les traverses (22, 24).
  2. Structure inférieure de marche (17) ou structure inférieure de palette selon la revendication 1, caractérisée en ce qu'au moins un longeron ou un support central ou une entretoise centrale ou un tirant (23) relie les deux traverses (22, 24), étant précisé que le longeron ou le support central ou l'entretoise centrale ou le tirant (23) est fabriqué à partir d'une tôle emboutie.
  3. Structure inférieure de marche (17) ou structure inférieure de palette selon l'une des revendications 1 ou 2, caractérisée en ce que la traverse avant (24) et/ou la traverse arrière (22) se composent d'un segment de traverse droit et d'un segment de traverse gauche ou sont disposées en miroir.
  4. Structure inférieure de marche (17) ou structure inférieure de palette selon l'une des revendications 1 à 3, caractérisée en ce qu'au moins une traverse (22, 24) et/ou au moins un flanc de marche (20.1, 20.2) ou flanc de palette se compose d'une tôle emboutie, de préférence d'un tôle (fine) d'acier H380 ou H400, et présente un profil à trois dimensions.
  5. Structure inférieure de marche (17) ou structure inférieure de palette selon l'une des revendications 1 à 4, caractérisée en ce qu'il est prévu sur au moins une traverse (22, 24) et/ou sur au moins un flanc de marche (20.1, 20.2) ou flanc de palette
    - un ou des creux (29) et/ou
    - une ou des moulures (28) et/ou protubérances et/ou
    - une ou des encoches de décharge (18).
  6. Structure inférieure de marche (17) ou structure inférieure de palette selon l'une des revendications 1 à 5, caractérisée en ce que la tôle présente une épaisseur située entre 0,75 mm et 1,9 mm, de préférence de 1,1 à 1,6 mm.
  7. Marche d'escalier roulant (2) avec une structure inférieure de marche (17) ou palette de trottoir roulant avec une structure inférieure de palette selon l'une des revendications 1 à 6.
  8. Marche d'escalier roulant (2) ou palette de trottoir roulant selon la revendication 7, caractérisée en ce que l'élément formant marche (9) et/ou l'élément formant contremarche (14) sont fabriqués eux aussi à partir d'une tôle emboutie.
  9. Marche d'escalier roulant (2) ou palette de trottoir roulant selon la revendication 7 ou 8, caractérisée en ce que l'élément formant marche (9) et/ou l'élément formant contremarche (14) sont reliés mécaniquement à la structure inférieure de marche (17) ou à la structure inférieure de palette à l'aide de moyens de fxation rapide (37.1, 37.2) ou de disques de serrage ou d'anneaux de prise ou de moyens de fixation (41) afin de former une unité porteuse, de sorte que l'élément formant marche (9) et/ou l'élément formant contremarche (14) sont aptes à être mis en place, à être emboîtés, à être changés de manière réversible.
  10. Marche d'escalier roulant (2) ou palette de trottoir roulant selon l'une des revendications 7 à 9, caractérisée en ce que l'élément formant marche (9) et/ou l'élément formant contremarche (14) se composent de tôle d'acier inoxydable ou de tôle (fine) d'acier ou de tôle (pré)galvanisée ou de tôle de cuivre ou de tôle traitée par cataphorèse ou de tôle galvanisée à chaud.
  11. Marche d'escalier roulant (2) selon l'une des revendications 7 à 10, caractérisée en ce que
    - sur une surface arrière de l'élément formant marche (9) qui est tournée vers la structure inférieure de marche (17), à l'état monté, et/ou
    - sur un côté inférieur de l'élément formant contremarche (14) qui est tourné vers la structure inférieure de marche (17), à l'état monté, sont soudés, fixés, encastrés, installés ou montés des rails de fixation (35, 38, 39) qui présentent des zones de réception pour les tiges de fixation ou goupilles (37) et/ou pour les éléments de fixation rapide (37.1, 37.2, 41).
  12. Palette de trottoir roulant selon l'une des revendications 7 à 11, caractérisée en ce que
    - sur une surface arrière de l'élément formant marche (9) qui est tournée vers la structure inférieure de palette, à l'état monté, sont soudés, fixés, encastrés, installés ou montés des rails de fixation (35, 38, 39) qui présentent des zones de réception pour les tiges de fixation ou goupilles (37) et/ou pour les éléments de fixation rapide (37.1, 37.2, 41).
  13. Dispositif de transport (1) avec plusieurs marches (2) ou palettes selon les revendications 7 à 12.
  14. Dispositif de transport (1) selon la revendication 13, caractérisé en ce que sur au moins un ou chaque flanc de marche (20.1, 20.2) ou flanc de palette est prévu au moins un oeil de marche (32) ou un oeil de palette pour recevoir un axe de tourillon de chaîne (21.1, 21.2) d'une chaîne ou chaîne transporteuse, et étant précisé qu'au moins un ou chaque flanc de marche (20.1, 20.2) ou flanc de palette comprend, renferme ou contient un axe de tourillon de chaîne (21.1, 21.2), et que l'axe de tourillon de chaîne (21.1, 21.2) est de préférence un axe de goupille de chaîne.
  15. Dispositif de transport (1) selon la revendication 14, caractérisé en ce que sur au moins un ou chaque flanc de marche (20.1, 20.2) ou flanc de palette est prévu, dans la zone de l'oeil de marche (32) ou de l'oeil de palette, un collet périphérique en tôle (33).
  16. Dispositif de transport (1) selon l'une des revendications 13 à 15, caractérisé en ce que sur au moins un ou chaque flanc de marche (20.1, 20.2) ou flanc de palette est prévu au moins un oeil pour galet fou (30) pour recevoir un axe de galet fou (25) et/ou un galet fou (6.1, 6.2), et étant précisé qu'au moins un ou chaque flanc de marche (20.1, 20.2) ou flanc de palette comprend au moins un axe de galet fou (25) avec un galet fou (6.1, 6.2).
  17. Dispositif de transport (1) selon la revendication 16, caractérisé en ce que sur au moins un ou chaque flanc de marche (20.1, 20.2) ou flanc de palette est prévu, dans la zone de l'oeil de galet fou (30), un collet périphérique en tôle (31).
  18. Dispositif de transport (1) selon l'une des revendications 13 à 17, caractérisé en ce qu'au moins une ou chaque traverse (22, 24) présente au moins une moulure (28) et/ou au moins une ouverture ou un creux (29) et/ou au moins une encoche de décharge (18) et/ou au moins une zone de fixation (19) ou un point de fixation ou un îlot ou une saillie ou une bosse.
  19. Dispositif de transport (1) selon l'une des revendications 13 à 18, caractérisé en ce qu'au moins un ou chaque flanc de marche (20.1, 20.2) ou flanc de palette présente au moins une moulure (28) et/ou au moins une ouverture ou un creux (29).
EP08804837.6A 2007-10-01 2008-09-26 Structure de marche ou structure de palette pour des unités de marche d'un système de transport, unités de marche et système de transport Active EP2200925B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08804837.6A EP2200925B1 (fr) 2007-10-01 2008-09-26 Structure de marche ou structure de palette pour des unités de marche d'un système de transport, unités de marche et système de transport

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07117646 2007-10-01
PCT/EP2008/062970 WO2009047146A1 (fr) 2007-10-01 2008-09-26 Structure de marche ou structure de palette pour des unités de marche d'un système de transport, unités de marche et système de transport
EP08804837.6A EP2200925B1 (fr) 2007-10-01 2008-09-26 Structure de marche ou structure de palette pour des unités de marche d'un système de transport, unités de marche et système de transport

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AU (1) AU2008309744B2 (fr)
BR (1) BRPI0817604B1 (fr)
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HK (1) HK1146030A1 (fr)
MX (1) MX2010003485A (fr)
NZ (1) NZ583853A (fr)
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WO (1) WO2009047146A1 (fr)
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HK1146030A1 (zh) 2011-05-13
RU2499761C2 (ru) 2013-11-27
RU2010117203A (ru) 2011-11-10
CA2699500A1 (fr) 2009-04-16
BRPI0817604B1 (pt) 2019-12-03
US8322508B2 (en) 2012-12-04
AU2008309744B2 (en) 2014-05-01
BRPI0817604A2 (pt) 2015-09-22
ZA201002842B (en) 2011-08-31
AU2008309744A1 (en) 2009-04-16
KR20100063104A (ko) 2010-06-10
CN101808929B (zh) 2013-01-30
JP5643647B2 (ja) 2014-12-17
JP2010540379A (ja) 2010-12-24
NZ583853A (en) 2012-11-30
US20100213025A1 (en) 2010-08-26
CN101808929A (zh) 2010-08-18
WO2009047146A1 (fr) 2009-04-16
EP2200925A1 (fr) 2010-06-30
ES2582201T3 (es) 2016-09-09
CA2699500C (fr) 2016-04-12
PL2200925T3 (pl) 2016-10-31
KR101495379B1 (ko) 2015-02-24
MX2010003485A (es) 2010-04-30

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