EP3024772B1 - Escalier mécanique ou tapis roulant - Google Patents

Escalier mécanique ou tapis roulant Download PDF

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Publication number
EP3024772B1
EP3024772B1 EP14737155.3A EP14737155A EP3024772B1 EP 3024772 B1 EP3024772 B1 EP 3024772B1 EP 14737155 A EP14737155 A EP 14737155A EP 3024772 B1 EP3024772 B1 EP 3024772B1
Authority
EP
European Patent Office
Prior art keywords
roller
pallet
connection
drag
clamping
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
EP14737155.3A
Other languages
German (de)
English (en)
Other versions
EP3024772A1 (fr
Inventor
Reiner Ludwig
Detlev Lindemeier
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.)
TK Elevator Innovation and Operations GmbH
Original Assignee
TK Elevator Innovation and Operations GmbH
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 TK Elevator Innovation and Operations GmbH filed Critical TK Elevator Innovation and Operations GmbH
Publication of EP3024772A1 publication Critical patent/EP3024772A1/fr
Application granted granted Critical
Publication of EP3024772B1 publication Critical patent/EP3024772B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B66B23/10—Carrying belts
    • 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 an escalator or a moving walk according to claim 1 with a step or pallet belt which consists of a plurality of steps or pallets guided on rails, each step or pallet having at least two drag rollers which are mounted on the step or pallet and ever run on rails.
  • the drag rollers have a roller axis which is held in or on the body of the step or pallet so that it cannot rotate.
  • Escalators have steps and moving walks have pallets, which are typically guided on rails via two chain rollers and two drag rollers each.
  • the step or pallet in the area of the chain roller is connected to the pallet chain or step chain of the escalator or moving walk and is also guided laterally there.
  • the drag rollers run on flat rails without additional lateral guidance.
  • the gap between the step or pallet and balustrade can be increased, for example to 15 mm.
  • this is undesirable and questionable in terms of safety, because then the risk is even greater that passengers will be injured there.
  • a mechanically favorable solution can be the GB 1,373,795 remove.
  • the steel axle of the drag roller is cast in the light metal body of the step.
  • such a stage is very expensive to manufacture.
  • the invention is therefore based on the object of improving an escalator or a moving walk according to the preamble of claim 1, in particular to enable good durability even with changing loads.
  • the production of an escalator or a moving walk should also be simplified.
  • a solution to the problem is provided by claim 1.
  • Advantageous developments of this solution result from the further claims.
  • an escalator or a moving walk with a step or pallet belt which consists of a plurality of steps or pallets guided on rails, is proposed, each step or pallet having at least two drag rollers that are mounted on the step or pallet and each run on rails, with a roller axis that is held in or on the body of the step or pallet so that it cannot rotate, and a plug connection is formed between the roller axis and the body via which the roller axis is pretensioned with a resilient locking connection against an undercut, in particular of the body the locking device is held.
  • an adhesive connection is formed between the roller axle and the body, by means of which the roller axle is held so that it cannot rotate.
  • the roller axle is advantageously glued into the body in addition to the latching connection.
  • This advantageously creates a tight fit of the roller axis, which itself withstands large axial forces.
  • a security against rotation is advantageously achieved in a cost-effective manner.
  • gluing the roller axle into the corresponding receptacle of the body advantageously allows greater radial and / or axial play between the axle and the receptacle, which occurs in particular when the axle and / or body are manufactured using the aluminum die-casting process.
  • a further advantageous embodiment of the invention provides that the undercut is formed on a surface of the body opposite the drag roller.
  • the roller axle preferably has a shoulder, the shoulder surface of which faces the body.
  • the shoulder advantageously rests on the body under pretension applied by the latching device.
  • the undercut is designed as a circumferential groove in a bushing of the body, into which an annular spring snaps which is designed in a roller groove of the roller axle.
  • the locking device has an annular spring which is pretensioned to act outwards and with respect to which the roller groove - viewed in the axial direction of the roller axis - is oversized.
  • the roller groove viewed in the radial direction of the roller axis, preferably has a depth that is equal to or greater than the radial height of the annular spring.
  • a further advantageous embodiment of the invention provides that the undercut has an effective body surface facing away from the drag roller, which is in particular designed obliquely, at an angle of more than 90 ° to the axis, or concave.
  • the ring spring preferably has a convex or inclined side surface which rests against the active body surface under pretension.
  • the annular spring is advantageously clamped between the active body surface and the active roller groove surface and, due to the bias of the annular spring, presses the shoulder of the roller axis against the body.
  • roller axle when pushed into the body when the shoulder rests on the body automatically snaps or engages in the undercut via the locking device.
  • the body of the step or pallet is preferably made of light metal or plastic.
  • the bushing on the body side is particularly preferably designed as a molded or cast steel part.
  • a further advantageous embodiment of the invention provides that the body has an insertion bevel on the socket, the radial height of which corresponds to at least one third of the radial height of the annular spring.
  • An undercut is preferably formed on the roller axle, against which the resilient latching connection acts.
  • each step or pallet having at least two drag rollers, which are attached to the step or Pallet are stored and each run on rails, with a roller axis which is held in or on the body of the step or pallet so that it cannot rotate, and a plug connection is formed between the roller axis and the body, via which the roller axis with a frictional connection against the body is held.
  • the roller axle is held against the body with a frictional connection via a clamping element, preferably a clamping body.
  • an escalator or a moving walk according to claim 1 with a step or pallet belt, which consists of a plurality of steps or pallets guided on rails is proposed, each step or pallet having at least two drag rollers that are mounted on the step or pallet and each run on rails, with a roller axis that is held in or on the body of the step or pallet, and a plug connection is formed between the roller axis and the body via which the roller axis with a clamping Connection against an undercut in particular the roller axis or the body is held under pretension of the clamping connection.
  • the clamping connection preferably has a clamping element that is more flexible than the body, the clamping connection preferably being implemented by a clamping device.
  • a clamping element of the clamping connection or the clamping device advantageously extends between the roller axis and the body and in particular rests against both the body and the roller axis.
  • each step or pallet having at least two drag rollers, which are attached to the step or pallet are stored and each run on rails, with a roller axis which is held in or on the body of the step or pallet so that it cannot rotate, and an adhesive connection is formed between the roller axis and the body, via which the roller axis is held in a rotationally secure manner.
  • a step or pallet for an escalator or a moving walkway is proposed to solve the problem mentioned above, the step or pallet having at least two drag rollers that are mounted on a roller axle, which rotate in or on the body of the step or the Pallet is held, and wherein a resilient latching connection or a frictional connection with a clamping element or a clamping connection is formed between the roller axis and the body, which is held against an undercut under pretension.
  • the bearing of the roller with its roller axis on the body of the step or pallet is, on the one hand, purely metallic, and insofar as there is little deflection.
  • the moment absorption is mechanically equalized from the axial or lateral bearing: The moment absorption is realized via the opposing bearing surfaces of a bushing with the roller axis as a bearing journal, whereby it goes without saying that the diameter of this plug-in connection and the resulting surface pressure are adapted to the requirements .
  • the axial mounting is realized via a resilient locking device, which has a shoulder on the bearing pin on a corresponding counter shoulder of the body and thus ensures that the drag rollers are kept free of play and therefore safe from rattling.
  • the locking device according to the invention automatically snaps into place when the shoulder rests and at the same time keeps the roller axis under tension in the axial direction.
  • the undercut is advantageously formed in each case on a surface of the body opposite the drag roller.
  • the assembly can be significantly simplified, and it is not necessary to use an insert, as it is according to the GB 1,373,795 is intended to be poured in. This shortens the casting process considerably and also saves costs.
  • the plug connection according to the invention with a latching connection also allows a drag roller with the roller axle to be exchanged quickly, for example if it is damaged.
  • Drag rollers Different sizes are required depending on the size of the escalator. Their storage is also simplified according to the invention by the compact and easily assembled arrangement of the drag rollers.
  • a particular advantage according to the invention is that the latching device according to the invention, which preferably has an annular spring, latches into an undercut of the body.
  • the undercut can be formed on the surface of the body opposite the drag roller;
  • the ring spring engages as soon as the roller axis has penetrated the bushing of the body to such an extent that the ring spring emerges again on the opposite side.
  • the undercut can also be realized in a groove in the socket of the body, a so-called body groove.
  • the ring spring of the latching connection is received in a protected manner, so that the tendency towards soiling is lower.
  • the invention is not limited to the implementation of the locking connection via a spring ring or an annular spring. Instead, any other latching device that latches when the roller axle is fully inserted can also be used. In any case, it is preferred in this context that the locking device still exerts tensile forces even in the locked state, which ensure the contact between the shoulder of the body and the shoulder of the roller axle journal. For example, one or more detents can be used for this purpose, or a Starlock disk that is pressed onto the roller axle.
  • inclined surfaces are formed on the insertion opening of the body and / or the roller axis, which compress or expand it against the tension of the ring spring in order to allow easy sliding along the bearing surfaces until the ring spring snaps into the undercut .
  • a clamping device to secure the plug connection according to the invention.
  • This has a clamping effect between the body of the step or pallet and a roller axle on which drag rollers run.
  • the clamping can be used in any suitable manner a clamping element, which preferably extends between the body and the roller axis and generates a surface pressure towards the body and / or towards the roller axis through inclined surfaces or through compression.
  • a clamping element can be made of copper or, for example, a hard plastic and extend like a sealing bush between the step and the body.
  • the dimensioning is chosen so that the pretensioning of the groove pushes the active surfaces of the body or the roller axis in opposite directions, thus realizing the contact between the shoulder and the shoulder under pretension.
  • a body 12 of the step can be seen as part of a step 10 of an escalator, otherwise not shown.
  • the body 12 has a passage recess 14 which is intended to receive a roller axle 16 of a drag roller 18.
  • the drag roller 18 has, in a manner known per se, a bearing 20 which is fixedly attached to the roller axle 16. On the outer shell of the bearing 20, a drag roller body 22 is applied, which is coated with a running surface layer (not shown) made of a somewhat softer plastic material.
  • the drag roller 18 runs on a flat rail 24, which is permanently implemented and does not form a lateral guide for the drag roller 18, but serves exclusively to support the drag roller 18 against the loads that have to be absorbed by the step 10.
  • the passage recess 14 is designed to be very deep and solid, and also on a body part of the step 10, the extent of which points in the load direction, that is, perpendicular to the surface of the flat rail 24.
  • the roller axle 16 is designed in a special way.
  • the part 26 adjacent to the bearing 20 is somewhat thickened. Compared to the actual bearing journal 28 of the roller axle 16, it forms a shoulder 30 which points towards the body 12.
  • the bearing pin 28 is cylindrical, or else very slightly conical with a cone angle of, for example, one degree, preferably a cone angle of less than 3.5 °, in order to ensure an even more secure mounting.
  • the bush 32 which is formed in the passage recess 14, in any case has a surface which is exactly parallel to the surface of the bearing journal 28. These two opposing surfaces take on the load of the drag roller 18 for transmission to the body 12 and are dimensioned of sufficient size that the surface pressure is not too great.
  • a latching device 34 is formed in the course of the extension of the bearing journal, preferably at its free end.
  • This has an annular spring 36 which is mounted in a roller groove 37, with play, in such a way that it is pretensioned to the outside.
  • the surface of the body 12 facing away from the roller 18 can also form the undercut. Then the ring spring 36 engages loudly.
  • the bearing pin 28 has an inclined surface 40 at its front end.
  • an adhesive connection is formed between the roller axle 16 and the body 12, by means of which the roller axle 16 is held so that it cannot rotate.
  • the roller axle 16 is advantageously glued into the passage recess 14 of the body 12.
  • the steps or pallets with the corresponding components, in particular the roller axle 16 and the body 12 are produced using the aluminum die-casting process.
  • the latching connection advantageously provides additional securing to the adhesive connection, which in particular prevents the roller axle 16 from loosening from the passage recess 14, advantageously also in the event of a fault in which the adhesive connection cannot withstand an applied load.
  • the annular spring 36 does not have a circular, but rather a somewhat elongated cross section, the longitudinal axis extending essentially radially.
  • the annular spring 36 rests between an active body surface 44 and an active roller groove surface 46.
  • the effective body surface 44 diverges towards the axis 47 of the bearing journal 28, so that when the annular spring 36 penetrates into the body groove 38, the body 12 is pressed towards the drag roller 22.
  • the shoulder 30 is formed, which rests on a correspondingly designed shoulder 52 of the body 12.
  • the action of the annular spring 36 in combination with the effective body surface 44 creates a prestress between the shoulder 30 and the shoulder 52.
  • groove flank 54 opposite the effective surface 44 is free of the annular spring 36; the same applies to the diagonally opposite opposite flank of the roller groove 37.
  • An insertion bevel 60 toward the bearing pin 28 is also formed on the shoulder 52.
  • This lead-in bevel which forms the transition between the shoulder 52 and the passage recess 14, presses the annular spring 36 inwards when the bearing pin 28 is inserted, so that it can slip along the bearing surfaces of the bearing pin 28 and passage recess 14 until it snaps into the body groove 38 .
  • a drag roller 18 according to the invention can even be installed on the body 12 of a step 10 with one-handed operation.
  • FIG Fig. 3 Another embodiment of a drag roller bearing according to the invention is shown in FIG Fig. 3 evident.
  • a roller axle 16 is inserted into a body 12 of the step in a passage recess 14.
  • a bearing 20 is mounted on the roller axle 16 in a manner known per se.
  • the passage recess 14 of the body 12 has a snap-on sleeve 54, which has holding ends 56 protruding towards the back, which penetrate into a circumferential groove 58 of the roller axle 16 and thus fix the roller axle 16.
  • the snap-on sleeve 54 is supported on the end of the body 16 remote from the drag roller bearing 20 on the passage recess 14, so that the holding elements 56 fix the roller axis 16 in an elastically inwardly resilient manner.
  • roller axle 16 has an inclined surface 40 at its front end, via which it presses the holding elements 56 apart when penetrating there.
  • roller axle 16 is grooved or slotted in this embodiment, namely at its free end beyond the drag roller bearing 20. It runs out in locking tongues 61 and 62, which point outwards and are pretensioned outwards so that they move away from the drag roller bearing 20 Use the facing surface 66 of the body 12 as an undercut and form a resilient latching connection there.
  • roller axle 16 has a collar 70 at its opposite end, which is slightly beveled at its front end and for this purpose is pressed together slidingly along an insertion bevel 60 of the body 12 during insertion.
  • the roller axle 16 is designed as a hollow axle and has a large-volume central recess 72.
  • the locking body 74 can be designed, for example, as a screw, the recess 72 then being expediently equipped with a suitable internal thread, or as a pin that is knocked in without further ado and is clamped in the recess 72.
  • Fig. 6 provides two conical clamping bodies 80 and 82 which, like bushings, are inserted into the passage recess 14 on both sides of the body 12 in the gap between the body 12 and the roller axis 16 and fix the clamping effect of the conical part of the clamping bodies 80 and 82.
  • the embodiment according to Fig. 7 likewise has a clamping body which extends over the entire surface through the passage recess 14 and has an outer surface which corresponds to a conical inner surface of the passage recess 14.
  • the clamping body 80 is cylindrical in this embodiment and fits the outer circumference of the roller axis 16.
  • the desired clamping effect can be achieved by pressing in the clamping body 80 from the side of the drag roller (not shown here).
  • a locking body 74 is used to fix the clamping device, in this case the clamping body 80, and thus to mount the roller axle 16 on the body 12 in a manner that prevents it from being pulled out.
  • the choice of the location at which the passage recess 14 is implemented in the body 12 and thus in its bearing arm can be adapted to the requirements over a wide range and, in particular, a well-receiving bearing can be implemented.
  • an adhesive connection can additionally be provided between the roller axle 16 and the body 12, preferably in that the roller axle 16 is glued into the passage recess 14 of the body 12.

Landscapes

  • Rolls And Other Rotary Bodies (AREA)
  • Escalators And Moving Walkways (AREA)

Claims (3)

  1. Escalier mécanique ou tapis roulant comprenant une bande de marches ou de palettes qui se compose d'une pluralité de marches ou de palettes guidées sur des rails, chaque marche (10) ou palette présentant au moins deux rouleaux d'entraînements qui sont supportés sur la marche (10) ou la palette et qui roulent chacun sur des rails respectifs, avec un axe de rouleau (16) qui est fixé de manière solidaire en rotation dans ou sur le corps (12) de la marche (10) ou de la palette, une connexion par enfichage étant réalisée entre l'axe de rouleau (16) et le corps (12), caractérisé en ce que l'axe de rouleau (16) est retenu par le biais de la connexion par enfichage avec une liaison par serrage contre une contre-dépouille avec une précontrainte de la connexion par serrage, la connexion par serrage présentant de préférence un élément de serrage plus flexible que le corps (12).
  2. Escalier mécanique ou tapis roulant selon la revendication 1, caractérisé en ce qu'un élément de serrage de la connexion par serrage s'étend entre l'axe de rouleau (16) et le corps (12) et s'applique à la fois contre le corps (12) et contre l'axe de rouleau (16).
  3. Escalier mécanique ou tapis roulant selon la revendication 1, caractérisé en ce qu'entre l'axe de rouleau (16) et le corps (12) est réalisée une connexion par serrage par le biais de laquelle l'axe de rouleau (16) est retenu de manière solidaire en rotation.
EP14737155.3A 2013-07-23 2014-07-04 Escalier mécanique ou tapis roulant Active EP3024772B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013107869.9A DE102013107869A1 (de) 2013-07-23 2013-07-23 Fahrtreppe oder Fahrsteig
PCT/EP2014/001850 WO2015010770A1 (fr) 2013-07-23 2014-07-04 Escalier mécanique ou trottoir roulant

Publications (2)

Publication Number Publication Date
EP3024772A1 EP3024772A1 (fr) 2016-06-01
EP3024772B1 true EP3024772B1 (fr) 2021-04-28

Family

ID=51167853

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14737155.3A Active EP3024772B1 (fr) 2013-07-23 2014-07-04 Escalier mécanique ou tapis roulant

Country Status (7)

Country Link
US (2) US9802791B2 (fr)
EP (1) EP3024772B1 (fr)
CN (1) CN105593155B (fr)
DE (1) DE102013107869A1 (fr)
HK (1) HK1224267A1 (fr)
RU (1) RU2678529C2 (fr)
WO (1) WO2015010770A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013107869A1 (de) * 2013-07-23 2015-01-29 Thyssenkrupp Fahrtreppen Gmbh Fahrtreppe oder Fahrsteig
DE102015212031A1 (de) 2015-06-29 2016-12-29 Thyssenkrupp Ag Stufenkette für Fahrtreppen sowie Personenfördervorrichtung mit einer solchen Stufenkette
DE102015216230A1 (de) * 2015-08-25 2016-10-20 Thyssenkrupp Ag Beförderungsvorrichtung, insbesondere Fahrtreppe oder Fahrsteig
WO2018041929A1 (fr) * 2016-08-31 2018-03-08 Inventio Ag Marche d'escalier mécanique en pièces enfichables
USD853676S1 (en) * 2016-11-18 2019-07-09 Kone Corporation Ramp with paneling
DE102018217994A1 (de) * 2018-10-22 2020-04-23 Thyssenkrupp Ag Schlepprollenhohlachse, Schlepprollenmontageset, Fahrtreppenstufe umfassend eine Schlepprollenhohlachse sowie Verfahren zur Montage einer Schlepprolle unter Verwendung eines Schlepprollenmontagesets
WO2020011597A1 (fr) 2018-07-10 2020-01-16 Thyssenkrupp Elevator Ag Axe creux de galet d'entraînement, kit de montage d'un galet d'entraînement, marche d'escalier mécanique comprenant un axe creux de galet d'entraînement, ainsi que procédé de montage d'un galet d'entraînement permettant le montage d'un galet d'entraînement au moyen d'un kit de montage de galet d'entraînement

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Also Published As

Publication number Publication date
EP3024772A1 (fr) 2016-06-01
US10308483B2 (en) 2019-06-04
US20180044139A1 (en) 2018-02-15
HK1224267A1 (zh) 2017-08-18
DE102013107869A1 (de) 2015-01-29
RU2678529C2 (ru) 2019-01-29
CN105593155B (zh) 2018-10-16
WO2015010770A1 (fr) 2015-01-29
RU2016105853A3 (fr) 2018-03-14
RU2016105853A (ru) 2017-08-29
US20160167930A1 (en) 2016-06-16
US9802791B2 (en) 2017-10-31
CN105593155A (zh) 2016-05-18

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