EP2205516B1 - Stufe für fahrtreppe oder palette für fahrsteig sowie fahrtreppe oder fahrsteig und verfahren zur herstellung - Google Patents

Stufe für fahrtreppe oder palette für fahrsteig sowie fahrtreppe oder fahrsteig und verfahren zur herstellung Download PDF

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Publication number
EP2205516B1
EP2205516B1 EP08838320.3A EP08838320A EP2205516B1 EP 2205516 B1 EP2205516 B1 EP 2205516B1 EP 08838320 A EP08838320 A EP 08838320A EP 2205516 B1 EP2205516 B1 EP 2205516B1
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EP
European Patent Office
Prior art keywords
cheek
plate
cheeks
skeleton
roller
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.)
Active
Application number
EP08838320.3A
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German (de)
English (en)
French (fr)
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EP2205516A1 (de
Inventor
Michael Matheisl
Thomas Illedits
Thomas Novacek
Gerhard Kleewein
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
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Inventio AG
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Publication date
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Priority to PL08838320T priority Critical patent/PL2205516T3/pl
Priority to EP08838320.3A priority patent/EP2205516B1/de
Publication of EP2205516A1 publication Critical patent/EP2205516A1/de
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Publication of EP2205516B1 publication Critical patent/EP2205516B1/de
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Classifications

    • 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 for an escalator or pallet for a moving walkway comprising a step skeleton or pallet skeleton as a support for at least one tread element according to the definition of the independent claim.
  • the step is skeleton-like and consists essentially of an angled support plate, which forms the side parts and the front part. Arranged on the support plate is an angle at which the wheels of the step are attached. An angled footboard is frictionally connected to the side panels and serves as a step completion upwards. The front part of the step is completed by means of a front panel connected to the support plate.
  • the generic JP 50 016282 A shows a stage with three cheeks, but this is a two-part stage, as seen from Fig. 4 This document is clearly recognizable. In a two-part step, there must be a cheek in the middle to make the connection of the step parts.
  • the invention aims to remedy this situation.
  • the invention as characterized in claim 1, solves the problem of creating a sheet metal made, lightweight stage or pallet with high rigidity.
  • One step performs a relative movement relative to the adjacent steps in the vertical direction, in particular in the transition from the front inclined escalator section to the horizontal escalator section.
  • the step structure of the escalator is converted into a plane or band structure.
  • the relative movement is generated by a corresponding course of the guideways for the step rollers.
  • the step in the direction of travel has approximately a triangular cross-section.
  • a pallet does not perform any relative movement in the vertical direction relative to the adjacent pallets.
  • the moving pavement consisting of pallets does not change its surface structure when the direction changes, a stepless belt structure as transport surface is always available.
  • a pallet is constructed comparable to a step and has cut in the direction of travel about a rectangular cross section without visible setting element.
  • An escalator has at least one stage according to the invention, the remaining stages being, for example, conventional aluminum stages or sheet metal stages.
  • the remaining stages being, for example, conventional aluminum stages or sheet metal stages.
  • the advantages achieved by the invention are essentially to be seen in the fact that weight savings and cost savings are feasible with the skeleton-type sheet metal construction of the stage. Lighter steps also mean smaller drive power for the escalator drive.
  • the main components of the stages such as For example, step cheeks, tread element and setting element are made by means of a deep-drawing process of thin deep-drawn sheet metal.
  • the stage according to the invention meets the requirements and load tests of the European standard EN 115 and the American standard ASME A17.1, according to which the stage according to the invention must satisfy a static test and a dynamic test.
  • the step is centrally loaded with a force acting perpendicular to the tread element of 3000 N, with a deflection of at most 4 mm may occur. After the force has been applied, the step must not show any permanent deformation.
  • the stage is centered with a pulsating force, with the force varying between 500 N and 3000 N, with a frequency between 5 Hz and 20 Hz and at least 5x10 6 cycles. After the test, the step may have a permanent deformation of not more than 4 mm.
  • the components can be manufactured optimized production from a roll of paper held by unwinding and developable, for example, 2 m to 4 m in diameter, hereinafter referred to as sheet coil.
  • the workflow can be made interruption-free and production time can be further reduced.
  • the inventive step with skeletal sheet metal construction is lighter and much cheaper than a die-cast aluminum, especially with increasing aluminum price.
  • a 600 mm wide stage weighs about 8.6 kg
  • a 800 mm wide stage weighs about 10.8 kg
  • a 1000 mm wide stage weighs about 13.1 kg.
  • An optimized to minimum weight and maximum load according to the above-mentioned EN 115 level is feasible with thin thermoforming sheets, for example, 1.1 to 1.9 mm thickness, which allow by means of deep drawing process, a maximum stiffening of the supporting components. Embossing or bending processes would also be conceivable but the finished stage would be much heavier, because in this manufacturing process larger sheet thicknesses (at least 4 mm sheet thickness) are necessary.
  • the step skeleton or pallet skeleton are made as sheet metal parts, i. are formed from flat elements.
  • the cheeks have a cheek body and along the edges of the cheek body on a circumferential, wall-like stiffening. This stiffening, despite thin (and thus light) sheet metal results in an incredibly high stability.
  • Such cheeks can be advantageously prepared by a deep drawing process.
  • a stamp presses a flat sheet metal blank into a prefabricated die, wherein the edge of the sheet metal blank is held by means of a hold-down.
  • a temporary plasticization and work-hardening of the deep-drawn sheet occurs below the hold-down.
  • From the two-dimensional, usually punched from a sheet metal sheet metal cutting a three-dimensional body is formed with bottom and peripheral walls, the wall thickness is slightly smaller than the original sheet thickness.
  • the soil can be formed in further process steps, for example by means of hydraulic depths in the stamp or in the die. In the embodiment set out below, the cheeks eyes are made.
  • the deep-drawn sheet has to be specially created for the forming.
  • a deep-drawn sheet with the designation H380 or H400 or H900 or H1100 is used.
  • These steel grades are based essentially on the strength-increasing effect of micro-alloying additives such as niobium and / or titanium and / or manganese. The yield strengths of these steels, which are high compared to mild steels, allow for cold forming with low deformation stress up to very demanding and complex component formations.
  • the types of steel are tuned to the respective forming conditions, so that even with low sheet thicknesses the tendency to deformation-related constrictions, wrinkles, tearing or inaccurate shape by elastic springback is minimal.
  • the deep drawing process is characterized by a large ratio of the sheet thickness to the height of the deep-drawn wall and the associated high load capacity, dimensional accuracy and stability.
  • the step skeleton 2 consists of a first cheek 3, at least one middle cheek 4 and a second cheek 5.
  • First and second cheek 3.5 are also called side cheek and are arranged in mirror image.
  • the cheeks 3,4,5 are arranged in the direction of travel. For every Bevel 3,4,5 is punched from a sheet metal strip, a sheet metal blank and this then formed by deep drawing to the cheek.
  • a support 6, a bridge 7 and a bracket 8 extend transversely to the direction of travel and connect the cheeks 3,4,5, wherein the components are connected without screws, for example by means of spot welding. Cheeks 3,4,5, support 6, bridge 7 and console 8 form the step skeleton 2.
  • the components carrier 6, bridge 7 and console 8 are away from the Blechcoil means of a Rollumformhabilits endless, for example, with a production speed of 10 to 20 meters per minute manufactured and cut to length depending on the step width.
  • the components beam 6, bridge 7 and console 8 stainless steel sheet or zinc sheet or copper sheet or brass sheet is provided with a thickness of 1.8-3.3 mm.
  • Other building materials such as synthetic fiber composites or natural fiber composites or CFRP or GRP or plastics are also possible.
  • a step roller 9 and an emergency guide hook 10 are arranged at the first cheek 3.
  • a stepped roller 11 and an emergency guide hook 12 are arranged on the second cheek 5.
  • the step roller 9,11 leads the level 1 along a track of the escalator.
  • the emergency guide hook 10,12 is based on failure of the step roller 9,11 on an emergency guide the escalator and forces the level 1 back to the track.
  • the stage 1 is connected by means of a stepped axis 13 with the step chain of the escalator.
  • the stepped axis 13 is constructed in several parts.
  • An axle journal 14 made of a round material is rotatably supported in a sleeve 15 of the center cheek 4 serving as a sliding bearing.
  • On the first cheek 3 serving as a plain bearing bush 16 is arranged, wherein a first driving axle 17 is rotatably mounted at one end in the bushing 16 and the other end is connected by a bridge 18 with the journal 14 of the center cheek 4.
  • a second driving axle 20 is rotatably mounted at one end in the sleeve 19 and the other end is connected by means of a bridge 21 with the journal 14 of the center cheek 4.
  • the driving axles 17, 20 are produced away from the sheet metal coil by means of a roll forming method and cut to length depending on the step width.
  • the stage 1 is thus supported at one end by the chain rollers and at the other end by the step rollers 9, 11.
  • Fig. 2 shows the complete stage 1 seen from below, in which the step skeleton 2 has been supplemented with a tread element 22, a step edge 23 and a setting element 24.
  • the tread element 22 and / or the setting element 24 may also consist of more than one part.
  • the one-piece tread element 22 or the one-piece setting element 24 seen longitudinally in the direction of travel and / or be divided transversely thereto.
  • the tread element 22 as well as the setting element 24 is produced in two steps. In a first step, the sheet removed from the sheet metal coil is directed and preformed or pre-corrugated by means of a toothed shaft to about 50% and then cut to length depending on the appearance.
  • the preformed component is formed by means of deep drawing process to the final web / groove profile with webs and grooves.
  • the tread element 22 as well as the setting element 24 can also be deep-drawn in one step, wherein 3 to 10 webs and grooves are deep-drawn, then the thermoforming sheet is pushed further, then again 3 to 10 webs and grooves deep-drawn and so on.
  • a deep-drawn sheet for example, 0.25 to 1.25 mm thickness is deep drawn to 10 to 15 mm.
  • the web / groove profile of the tread element 22 has on the carrier side on each second web a small tooth 25 which meshes with the web / groove profile of the positioning element 24 of the adjacent step. The gap between the steps is thereby projecting and springing back.
  • the step edge 23 for example, made of ceramic or natural fiber or plastic by injection molding or aluminum die-cast method is placed on the bridge 7 and screwed from below with the bridge 7. Other materials such as natural fibers, synthetic fibers, GRP, CFRP or plastic or NIRO and colors such as yellow, red, black, blue or mixed colors are also possible.
  • the step edge 23 is formed so that the tread element 22 as well as the setting element 24 can be inserted into the step edge 23.
  • Fig. 3 shows a section in the direction of travel through the stage 1 at the location of the axle journal 14 on the second cheek 5 seen.
  • the tread element 22 is screwless, for example, connected by means of spot welding with the support 6 and the bridge 7.
  • the setting element 24 is pushed into the step edge 23 and screwless, for example, connected by means of spot welding with the console 8.
  • NIRO stainless steel
  • ALU aluminum
  • synthetic fiber composites ceramics, copper, brass, titanium sheet and so forth are also conceivable for the tread element 22 and / or for the setting element 24.
  • Fig. 4 shows a side view of the first cheek 3 seen from the outside or in the direction of the arrow designated P1.
  • the sheet metal blank is held at the edge by means of hold downs and pressed the free surface of the thermoforming sheet by means of stamp in a die.
  • Fig. 4 also shows sections along the lines AA, BB, CC, DD and EE.
  • the broken line shows the parts of the thermoforming body removed after the thermoforming process by means of knives or lasers, in particular the edges 50 retained during the thermoforming process and the covers 51 of the cheeks 28, 29 for the step roller 9 and the Miter shaft 17.
  • the cheek eye 28 for the step roller 9 is directed in the direction of the stiffener 27 or inwardly or deep drawn (section BB), the cheek eye 29 for the cam axis 17 is directed outwards (counter to the direction P1) or deep drawn ( Section AA).
  • Fig. 5 shows a plan view of the first cheek 3.
  • the first cheek 3 has for stiffening a slight crank K1 inward, wherein K1 may be 20 to 35 mm, for example.
  • D1 is the thickness of the stiffener 27, wherein D1 is composed of the thickness of the deep-drawn sheet, the Umbugradius 30 and the deep-drawn wall 31.
  • D1 may for example be 15-42 mm, wherein the thickness of the thermoforming sheet can be 1.1-2.2 mm and wherein the ratio of the sheet thickness of the cheek body 26,32 of the cheeks 3,4,5 to the height D1 of the stiffener 27,44 at least 1:10 is.
  • a deep-drawn sheet has a weight of 14.4 kg / m 2 for a sheet thickness of 1.8 mm and a weight of 9.6 kg / m for a sheet thickness of 1.2 mm 2 .
  • the second cheek 5 is constructed comparable to the one-piece first cheek 3.
  • the center cheek 4 is also deep-drawn and constructed in addition to the crank K1 and the cheeks eyes comparable to the first cheek 3.
  • the sheet thickness of the thermoforming sheet can be selected depending on the step width (the smaller the step width, the thinner the sheet metal) or it can be used for different step widths the same sheet thickness.
  • Fig. 6 and Fig. 7 show the second cheek 5 with details of the attachment of the step roller 11 and the emergency guide hook 12 on the cheek body 32 with stiffener 44.
  • the attachment of the step roller 9 and the emergency guide hook 10 on the first cheek 3 is identical.
  • Another emergency guide hook can be arranged on the cheek body 26 and 32, respectively.
  • a journal 33 is held by a bushing 35.1, which is pressed or clamped or screwed into the cheek eye 34, for example.
  • the journal 33 has a journal 35 for supporting the roller bearing and at the other end a thread 36.
  • One in a bore 37 of the journal Self-tapping screw 38 presses a washer 39 on an inner bearing ring 40 of the roller bearing.
  • the cap 42 additionally strengthens the connection of the axle journal 33 with the cheek body 32 and stiffens the cheek body 32 at this location.
  • a slot with fold 45 is provided which secures the emergency guide hook 12 against rotation when tightening the nut 41 and holds on the stiffener 44.
  • the bridges 7 ', 7 "with the cheeks 3', 4 ', 4", 4'"and 5 ' form an equally stable skeleton as in the stage the components 6, 7 and 8 with the cheeks 3, 4 and 5 ,
  • the bridges 7 ', 7 “have (as well as the components 6, 7 and 8 of the stage) over their entire length a constant cross section, so they can be produced endlessly by means of a roll forming process and can be cut to length depending on the pallet width.
  • the bridges 7 'and 7 can be made identical, a bridge 7' can be brought into the mirror image position required for the bridge 7" simply by turning.
  • the pallet rollers 9 'and 11' are analogous to the step rollers 9 and 11 attached.
  • Emergency guide hooks are dispensable for pallets.
  • the tread element 22 'of the pallet 1' has a small tooth 25 on the carrier side on every second web.
  • exactly every intermediate bridge has such a small protruding tooth (in Fig. 8 not visible). The gap between two pallets 1 'is thus projecting and rebounding just as in the steps.
  • Fig. 9 shows a palette from the side. It has already been mentioned that the cheeks (in Fig. 9 only the cheek 3 'is visible) with the bridges 7' and 7 "(in Fig. 9 not visible) screwless, for example by means of spot welding method, are connected. Likewise, the tread element 22 'without screws, for example by means of spot welding method, with the two bridges 7' and 7 "connected.
  • Fig. 10 shows a cheek 3 'of a pallet in perspective view.
  • This cheek is (analogous to the cheeks at the stage) produced by a deep-drawing process.
  • a stiffener 27 'by a manufactured during deep drawing circumferential wall 31' is present, which merges with a Umbugradius 30 'in the cheek body 32'.
  • the preparation of the cheek eyes 28 'and 29' is carried out quite analogously, as was explained in the stage.
  • the bridge 7 ' has a recess 51 on its upper side, with which it bears against the tread element 22'.
  • This support 52 supports the tread element 22 'at the two lateral edges where the tread element 22' projects beyond the bridges 7 'and 7 "(the bridges 7' and 7" terminate at the side cheeks 3 'and 5'.)
  • this is Tread element supported over its entire width.

Landscapes

  • Escalators And Moving Walkways (AREA)
EP08838320.3A 2007-10-01 2008-09-26 Stufe für fahrtreppe oder palette für fahrsteig sowie fahrtreppe oder fahrsteig und verfahren zur herstellung Active EP2205516B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL08838320T PL2205516T3 (pl) 2007-10-01 2008-09-26 Stopień dla schodów ruchomych lub paleta dla chodnika ruchomego oraz schody ruchome lub chodnik ruchomy i sposób wytwarzania
EP08838320.3A EP2205516B1 (de) 2007-10-01 2008-09-26 Stufe für fahrtreppe oder palette für fahrsteig sowie fahrtreppe oder fahrsteig und verfahren zur herstellung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP07117647 2007-10-01
EP08838320.3A EP2205516B1 (de) 2007-10-01 2008-09-26 Stufe für fahrtreppe oder palette für fahrsteig sowie fahrtreppe oder fahrsteig und verfahren zur herstellung
PCT/EP2008/062963 WO2009047142A1 (de) 2007-10-01 2008-09-26 Stufe für fahrtreppe oder palette für fahrsteig sowie fahrtreppe oder fahrsteig und verfahren zur herstellung

Publications (2)

Publication Number Publication Date
EP2205516A1 EP2205516A1 (de) 2010-07-14
EP2205516B1 true EP2205516B1 (de) 2017-01-18

Family

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Family Applications (1)

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EP08838320.3A Active EP2205516B1 (de) 2007-10-01 2008-09-26 Stufe für fahrtreppe oder palette für fahrsteig sowie fahrtreppe oder fahrsteig und verfahren zur herstellung

Country Status (17)

Country Link
US (1) US8469176B2 (ru)
EP (1) EP2205516B1 (ru)
JP (1) JP5492088B2 (ru)
KR (1) KR101591111B1 (ru)
CN (1) CN101808928B (ru)
AU (1) AU2008309740B2 (ru)
BR (1) BRPI0817926B1 (ru)
CA (1) CA2698941C (ru)
ES (1) ES2622445T3 (ru)
HK (1) HK1146539A1 (ru)
MX (1) MX2010003282A (ru)
NZ (1) NZ583852A (ru)
PL (1) PL2205516T3 (ru)
RU (1) RU2489342C2 (ru)
UA (1) UA99925C2 (ru)
WO (1) WO2009047142A1 (ru)
ZA (1) ZA201002843B (ru)

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DE102009033819B4 (de) * 2009-07-18 2013-01-17 Kone Corp. Einrichtung zum Verbinden einer Kette mit einer Stufe oder einer Palette einer Personenfördereinrichtung
CN102530698A (zh) * 2012-02-21 2012-07-04 苏州新达电扶梯部件有限公司 一种适用于超宽自动人行道梯级的支撑结构
PL3507229T3 (pl) * 2016-08-31 2020-11-30 Inventio Ag Stopień schodów ruchomych z części wtykowych
WO2019048306A1 (de) * 2017-09-11 2019-03-14 Inventio Ag Tritteinheit für eine personenförderanlage sowie verfahren zum fertigen einer tritteinheit
WO2020011597A1 (de) * 2018-07-10 2020-01-16 Thyssenkrupp Elevator Ag Schlepprollenhohlachse, schlepprollenmontageset, fahrtreppenstufe umfassend eine schlepprollenhohlachse sowie verfahren zur montage einer schlepprolle unter verwendung eines schlepprollenmontagesets
CN109132825B (zh) * 2018-11-01 2024-03-15 江苏飞亚金属制品有限公司 一种电梯梯级传动轴固定装置
CN109775546A (zh) * 2019-03-05 2019-05-21 杭州西奥电梯有限公司 一种自动扶梯的梯级
EP3747821A1 (en) * 2019-06-04 2020-12-09 Otis Elevator Company Belt-driven people conveyors
DE102021130617A1 (de) 2021-11-23 2023-05-25 Tk Elevator Innovation And Operations Gmbh Hohlachse und Hohlachsset zur Anordnung eines Trittelements eines Personenbeförderungsbands an einer Antriebskette
CN117443945B (zh) * 2023-12-26 2024-03-19 阳泉市广凯机械制造有限公司 一种热轧薄铸造钢带的制造方法

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Also Published As

Publication number Publication date
JP5492088B2 (ja) 2014-05-14
RU2010117201A (ru) 2011-11-10
KR20100063102A (ko) 2010-06-10
MX2010003282A (es) 2010-04-09
PL2205516T3 (pl) 2017-07-31
BRPI0817926A2 (pt) 2015-04-07
CN101808928A (zh) 2010-08-18
US20100206692A1 (en) 2010-08-19
KR101591111B1 (ko) 2016-02-02
HK1146539A1 (zh) 2011-06-17
RU2489342C2 (ru) 2013-08-10
WO2009047142A8 (de) 2009-05-22
AU2008309740B2 (en) 2014-04-10
CA2698941A1 (en) 2009-04-16
EP2205516A1 (de) 2010-07-14
WO2009047142A1 (de) 2009-04-16
CN101808928B (zh) 2013-09-18
CA2698941C (en) 2016-04-05
NZ583852A (en) 2012-12-21
ZA201002843B (en) 2011-07-27
BRPI0817926B1 (pt) 2019-11-05
AU2008309740A1 (en) 2009-04-16
UA99925C2 (ru) 2012-10-25
JP2010540377A (ja) 2010-12-24
US8469176B2 (en) 2013-06-25
ES2622445T3 (es) 2017-07-06

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