EP3541734B1 - Cabine d'ascenseur - Google Patents

Cabine d'ascenseur Download PDF

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Publication number
EP3541734B1
EP3541734B1 EP17794349.5A EP17794349A EP3541734B1 EP 3541734 B1 EP3541734 B1 EP 3541734B1 EP 17794349 A EP17794349 A EP 17794349A EP 3541734 B1 EP3541734 B1 EP 3541734B1
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EP
European Patent Office
Prior art keywords
balustrade
elevator cab
latching element
locking mechanism
locking
Prior art date
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Application number
EP17794349.5A
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German (de)
English (en)
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EP3541734A1 (fr
Inventor
Christoph Schuler
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Inventio AG
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Inventio AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0081—Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0056—Safety of maintenance personnel by preventing crushing
    • B66B5/0062—Safety of maintenance personnel by preventing crushing by devices, being operable or not, mounted on the elevator car

Definitions

  • the invention relates to an elevator car according to the preamble of claim 1.
  • Elevator systems for transporting people and goods contain elevator cars that can be moved up and down in a vertical direction in an elevator shaft.
  • the cabins can be moved by means of a drive unit via suspension means, for example in the form of suspension cables or suspension belts.
  • balustrades For certain situations, it may be necessary for a person to go to a roof of the elevator car in order to carry out the work (e.g. maintenance work, inspection) from there. For this it is necessary that people can stay safely on the elevator car roof. If, for example, the width of a gap between the cabin and an adjacent shaft wall is too large, balustrades must be installed on the cabin roof to prevent falls. Such balustrades on elevator car roofs have been known and used for a long time.
  • balustrade be provided on the roof of the elevator car that protrudes sufficiently upwardly from the roof of the elevator car to prevent a person from moving over an edge of the roof.
  • a balustrade should protrude at least 70 cm or at least 110 cm above the roof, depending on the gap width.
  • balustrades In the case of elevator systems, it may be desirable to keep the elevator shaft as short as possible.
  • the required minimum height of the balustrade can conflict with the desire for lower shaft head heights.
  • the drive In the case of machine room-less elevators, where the drive is located in the shaft, the drive may overlap the elevator car when viewed from above, which is why conventional balustrades are unsuitable for these cases could be.
  • Pivoting balustrades have been proposed for these applications, which can be pivoted about an axis of rotation between a folded-down position and an erected position.
  • Such pivotally designed balustrades for which the terms "foldable balustrades" or "foldable balustrades" are familiar in the art, are for example from EP 1 925 581 A1 known.
  • the EP 1 925 581 A1 shows a balustrade designed to be pivotable, in which the axis for forming the axis of rotation for the pivoting movement is mounted so that it can be displaced to a limited extent in a vertical slot. To erect the balustrade, it must be swiveled and slightly lifted at the same time. To secure the erected position, an upwardly open recess is provided on a roof-side fastening element, into which a pin attached to the balustrade can be inserted by lowering.
  • a disadvantage of this balustrade is that it is relatively difficult to handle and the erection and folding back of the balustrade requires a certain level of technical skill.
  • the elevator car includes a swingable balustrade mounted on a roof of the elevator car.
  • the pivotable balustrade is designed in such a way that it rotates about a preferably fixed axis of rotation between a folded-down position, in which the balustrade can be oriented substantially horizontally at least in sections, and an erected position, in which the balustrade is oriented substantially vertically can be pivoted in sections.
  • the balustrade has a locking mechanism to secure the erected Having position with which the balustrade can be locked via a locking connection during a pivoting movement to create the erected position, advantageous handling of the balustrade can be ensured.
  • the balustrade is easy to set up and secure.
  • the locking mechanism is designed in such a way that during the pivoting movement for setting up the balustrade, the balustrade can be automatically fixed in the set-up position thanks to the latching connection.
  • the balustrade can consist of a lower part that is stationary with respect to the elevator car and an upper part that can move about the axis of rotation.
  • Such a two-part balustrade is particularly advantageous with regard to personal safety.
  • the present balustrade unfolds a certain degree even in the folded-down position protective effect. Because the lower part of the balustrade, which still protrudes upwards, has a separating effect and can protect a falling person from falling into the shaft.
  • the movable part of the balustrade is aligned essentially horizontally in the folded-down position.
  • a stop can be arranged on the stationary part of the balustrade, on which the movable part is supported in the folded-down position.
  • the stop can be, for example, an angle piece attached to a post of the stationary part or a horizontal bend.
  • the mentioned balustrade with the lower, stationary part and the upper, movable part can be arranged on at least one side of the roof on the elevator car.
  • further balustrades can be provided on the other sides of the cabin roof.
  • a conventional fixed balustrade which has a lower balustrade height, in addition to the two-part balustrade mentioned, for example on an opposite side of the roof.
  • This second balustrade could, for example, be of the same height as the lower fixed part of the first-mentioned balustrade.
  • the lower fixed part of the balustrade can have a middle, horizontally running one Spar and the upper movable part may include a handrail. Furthermore, a skirting board can be provided in the area of the top of the roof.
  • the locking mechanism can have a latching element which can be brought into engagement with an engagement means in order to secure the raised position.
  • the latching element can be moved in such a way that the engagement means is freed, whereby the balustrade can be brought back into the folded-down position.
  • the latching element can therefore be a latching element that can be moved between the locking position mentioned and an unlocking position.
  • the locking mechanism can be a latching element that can be linearly displaced to a limited extent under prestress or is mounted in some other way vertically in a post part assigned to the stationary part of the balustrade.
  • the locking mechanism can have at least one spring for generating a pretension for the latching element in the locking position.
  • the latching element is biased into the locking position by means of the spring. Reliable locking can be ensured thanks to the preload.
  • the balustrade may comprise a two-piece pillar having a lower pillar portion which is stationary with respect to the elevator car and an upper pillar portion pivotally attached to the lower pillar portion.
  • the balustrade has two such posts.
  • the two posts form the lateral boundary of the balustrade and are used to attach the handrail and other strips such as the middle spar, which is located about halfway up.
  • the locking mechanism described above can be arranged on a two-part post (possibly even on both posts).
  • the latching element can be mounted so that it can be displaced vertically to a limited extent on the lower post part.
  • the engagement means with which the latching element can be brought into engagement can be assigned to the upper post part.
  • At least one vertical slot-shaped guide for guiding the latching element can be provided in the lower post part.
  • the latching element can, for example, have at least one tongue-shaped guide section, which can be passed through the guide slot or accommodated in it.
  • the upper post part can comprise a preferably flat, flat profile wall, the front edge of which facing the latching element forms the engagement means for engaging with the latching element in the locking position.
  • the means of engagement can be formed by a latching hook or a latching cam.
  • the latching element can contain a run-up flank along which the engagement means can be moved when the balustrade is erected or pivoted to create the erected position.
  • the latching element can have a latching lug which is arranged on the front end of the ramp flank which faces the engagement means.
  • the actuating element can have a horizontal surface for hand gripping or foot gripping surface.
  • An ergonomically favorable actuation of the locking mechanism to release the locking position can be achieved in this way.
  • the actuating element can be aligned horizontally at least in the locking position.
  • a sufficiently large force for manual operation or foot operation for triggering the unlocking process can be applied to the horizontally aligned actuating element.
  • the actuation element has a lever section that is free by a length of at least 10 cm and is essentially horizontal at least in the locking position.
  • the actuating element can be designed as a lever which is mounted on a post part so that it can pivot to a limited extent.
  • the actuating element designed as a lever interacts with the latching element in such a way that the latching element is displaced by pivoting the actuating element and thus reaches the unlocked position.
  • the latching element and/or the actuating element are designed as bent parts made of sheet metal are.
  • a further aspect of the invention could be aimed at an elevator with an elevator shaft and an elevator car that can be moved up and down in it according to the preceding description.
  • the elevator 1 shows an elevator system, denoted overall by 1, for a multi-storey building.
  • the elevator 1 comprises an elevator shaft 11 in which an elevator car 1 can be moved vertically up and down to transport people or goods to individual floors.
  • the movement of the elevator car 1 takes place via suspension means designated 13, which carry the car 1 in a 2:1 suspension.
  • the suspension means 13 can be one or more suspension ropes or suspension belts.
  • other elevator types and other suspension configurations would also be conceivable. Except for a special balustrade 4, which is described and shown in detail below, alternatives to the one shown in 1 Elevator variant shown, elevators 1 with other suspension configurations and other elevator types are also conceivable.
  • the cabin 1 includes a cabin roof 2, which closes the cabin 1 at the top. Since there is too large a gap between the shaft wall 12 and a side wall 3 of the cabin 1, it is necessary to provide the already mentioned balustrade 4 on the cabin roof 2 for fall protection.
  • the balustrade 4 can be extended from an in 1 shown set up position into a folded down position. The corresponding closing movement is indicated with an arrow s.
  • the balustrade 4 is designed in two parts and has a lower stationary part 5 and an upper movable part 6 . In dashed lines, the upper part 6 is in the folded down position 1 recognizable.
  • balustrade 4 is arranged or shown on the roof 2 of the cabin 1 .
  • the cabin 1 could of course also have several balustrades each assigned to one side of the cabin 1 .
  • These additional balustrades could be similar to the balustrade 4 or they could be of conventional rigid construction.
  • the figures 2 and 3 show a possible embodiment of a balustrade 4 according to the invention.
  • the lower part 5 of the balustrade 4 is firmly connected to the cabin 3 . in the in 2
  • the upper part 6 of the balustrade is reliably aligned vertically and secured in position thanks to a locking mechanism 7 .
  • the locking mechanism 7 has a latching element 8 and an engaging means 9 cooperating therewith, which prevent an inward pivoting movement of the upper part 6 of the balustrade in the s-direction.
  • a vertical stop 33 which is fastened to the lower post part 22, prevents any pivoting movement of the upper part 6 to the outside or to the opposite side.
  • the upper part can be pivoted about an axis of rotation denoted by R, which runs horizontally and parallel to the roof edge 35 of the roof 2 .
  • the pivoting movement s from the raised position can only be accomplished after the locking mechanism 7 has been unlocked.
  • a latching element 8 of the locking mechanism 7 must be moved downwards in the direction of arrow e to unlock the locking mechanism 7 .
  • the balustrade 4 has two posts 18, which are vertical at least in the raised position, to which horizontal rails, such as the handrail designated 19, are attached as required.
  • the posts 18 are each designed in two parts and have a lower post part 22 and an upper upper post part 23 which is fastened pivotably about the axis of rotation R on the lower post part.
  • the upper post part 23 has a step-like latching receptacle at the lower end.
  • This latching receptacle forms an engagement means 9 for the engagement of the latching element 8.
  • the latching element 24 is a latching cam which is assigned to the lower post part 22.
  • the latching element 8 is pressed upwards into the corresponding latching receptacle of the engagement means 9 by means of a spring 34 .
  • An actuating element 24 is arranged on the latching element 8 and can be gripped by maintenance personnel or another person on the cabin roof 2 .
  • the locking of the locking mechanism 7 is released via the actuating element 24 by pulling the locking element 8 downwards in the e-direction.
  • the upper part 6 of the balustrade 4 can simply be pivoted downwards in the s-direction.
  • the balustrade is shown in the folded down position.
  • the balustrade 4 is partially aligned horizontally.
  • the upper post part 23 running horizontally in the folded-down position is supported on a stop 32 which is arranged on the lower post part 22 .
  • the upper part 6 of the balustrade 4 must be pivoted upwards in the a-direction.
  • the balustrade 4 is automatically secured in the erected position thanks to the snap-in connection ( 2 ).
  • FIG. 1 shows a pivotable balustrade 4 mounted on a roof 2 of an elevator car 1 according to a second exemplary embodiment.
  • the balustrade 4 has two posts 18, 18'.
  • a central spar 20 is attached to the lower post portions and is located approximately halfway up the balustrade.
  • the profile parts for the upper handrail sections 36 and 37 are connected via vertical profile parts to a continuous horizontal profile which forms a lower handrail section 38 in the area of the interruption.
  • the post 18 has an extension.
  • the extension is formed by a profile element 39 which is connected to the upper post part 23 .
  • a buffer 40 for example made of rubber or another resilient or dampening material.
  • the extension 39 with the buffer 40 limits a possible upward movement of the cabin and defines a safety space for people on the cabin roof when the balustrade 4 is in the deployed position.
  • FIG 5 shows the post 18 equipped with the locking mechanism 7.
  • the actuating element 24 for actuating the locking mechanism 7 is pivotably mounted on the lower post part 22 about an axis of rotation R2.
  • the lever-like actuating element 24 is arranged so far down that it can be actuated manually or, if necessary, can also be actuated by foot by the maintenance personnel.
  • the length, designated L, by which the lever-like actuating element 24 protrudes is ideally at least 10 cm.
  • the distance H2 below which the actuating element 24 is arranged in relation to the axis of rotation R for pivoting the balustrade is therefore preferably at least 10 cm.
  • the distance (H1) of the actuation element 24 to the attic or to the top of the cabin should be selected to be small.
  • the actuating element 24 then results in an advantageous foot pedal.
  • the height H1 should be 30 cm or less.
  • This bend 24 is connected in one piece to the lower post part 22 made from sheet metal.
  • two tongue-like guide sections 26 are provided for the displaceable mounting of the locking element 8 in the lower post part 22 , which are accommodated in vertical slots 25 .
  • the two guide slots 25 enable precise guidance of the locking element 8.
  • the actuating element 24 is in direct contact with the lower guide sections 26 of the locking element 8. If the actuating element 24 is pivoted downwards in the e' direction, a translational movement of the locking element 8 results below.
  • This movement of the locking element 8 is indicated by the arrow e.
  • the spring 34 causes the latching element 8 to be prestressed into the deployed position. Thanks to the spring 34, there is a restoring force acting in the direction of the arrow f, as a result of which automatic locking takes place when the balustrade is erected.
  • the pivoting back of the actuating element 24 in the P-direction also occurs under the action of a spring.
  • the upper post part 23 is fixed in position in the locking position of the locking element 8 .
  • the upper post part 23 is presently formed from an L-shaped angle profile, the profile wall of the angle profile designated 27 being sandwiched in the region of the lower profile edge between the latching element 8 and a wall of the lower post part 22 forming a stop 33 .
  • a recess 41 is provided in the latching element, which is adapted to the profile thickness of the profile wall 27 .
  • the wall of the at least partially L-shaped profile for forming the lower post part 22 facing the latching element 8 forms the vertical stop 33.
  • the spring 34 which in the present example is formed by a helical compression spring, is arranged to run diagonally in the latching element. In this way, the spring 34 reliably holds the locking element 8 in the lower post part 22.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Claims (15)

  1. Cabine d'ascenseur (1) comportant une balustrade (4) conçue de manière à pouvoir pivoter et montée sur un toit (2) de la cabine d'ascenseur (1), laquelle balustrade peut être pivotée, au moins dans certaines régions, entre une position rabattue et une position relevée, caractérisée en ce que la balustrade (4) présente un mécanisme de verrouillage (7) permettant de fixer la position relevée et avec lequel la balustrade (4) peut être verrouillée par l'intermédiaire d'une liaison à encliquetage lors d'un mouvement de pivotement pour l'établissement de la position relevée.
  2. Cabine d'ascenseur (1) selon la revendication 1, caractérisée en ce que la balustrade (4) est constituée d'une partie inférieure fixe (5) et d'une partie supérieure (6) mobile autour d'un axe de rotation (R).
  3. Cabine d'ascenseur (1) selon la revendication 2, caractérisée en ce que la partie mobile (6) de la balustrade (4) est orientée sensiblement horizontalement dans la position rabattue.
  4. Cabine d'ascenseur selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le mécanisme de verrouillage (7) présente un élément d'encliquetage (8) qui peut être amené en prise avec un moyen de mise en prise (9) pour la fixation de la position relevée.
  5. Cabine d'ascenseur selon la revendication 4, caractérisée en ce que le mécanisme de verrouillage (7) présente au moins un ressort (34) pour la production d'une précontrainte pour l'élément d'encliquetage (8) dans la position de verrouillage.
  6. Cabine d'ascenseur selon l'une quelconque des revendications 2 à 5, caractérisée en ce que la balustrade (4) comprend un montant (18) en deux parties comportant une partie de montant inférieure (22) et une partie de montant supérieure (23) fixée de manière à pouvoir pivoter à la partie de montant inférieure, le mécanisme de verrouillage (7) étant disposé sur le montant (18), l'élément d'encliquetage (8) étant monté de manière à pouvoir pivoter de manière limitée verticalement sur la partie de montant inférieure (22) et le moyen de mise en prise (9) étant associé à la partie de montant supérieure (23).
  7. Cabine d'ascenseur selon la revendication 6, caractérisée en ce qu'au moins un guidage vertical (25) permettant de guider l'élément d'encliquetage (8) est prévu dans la partie de montant inférieure (22).
  8. Cabine d'ascenseur selon la revendication 6 ou 7, caractérisée en ce que la partie de montant supérieure (23) comprend une paroi profilée (27) dont le bord avant (28) tourné vers l'élément d'encliquetage (8) forme le moyen de mise en prise (9) pour la mise en prise avec l'élément d'encliquetage (8) dans la position de verrouillage.
  9. Cabine d'ascenseur selon l'une quelconque des revendications 4 à 8, caractérisée en ce que l'élément d'encliquetage (8) comporte un flanc d'appui (29) le long duquel le moyen de mise en prise (9, 28) peut être déplacé lors du mouvement de pivotement pour l'établissement de la position relevée de la balustrade.
  10. Cabine d'ascenseur selon l'une quelconque des revendications 1 à 9, caractérisée en ce que le mécanisme de verrouillage (7) présente un élément d'actionnement (24) permettant de déverrouiller la position de verrouillage sous la forme d'une pédale ou d'une poignée.
  11. Cabine d'ascenseur (1) selon la revendication 10, caractérisée en ce que l'élément d'actionnement (24) est disposé à une distance (H1) d'au moins 10 cm, de préférence d'au moins 20 cm et de manière particulièrement préférée d'au moins 30 cm en dessous d'un axe de rotation (R) pour le mouvement de pivotement de la balustrade (4).
  12. Cabine d'ascenseur selon la revendication 10 ou 11, caractérisée en ce que l'élément d'actionnement (24) est conçu sous la forme d'un levier qui est monté de manière à pouvoir pivoter de manière limitée sur une partie de montant (22).
  13. Cabine d'ascenseur selon l'une quelconque des revendications 10 à 12, caractérisée en ce que l'élément d'actionnement (24) présente, au moins dans la position de verrouillage, une surface de support de main ou une surface de support de pied (30) horizontale.
  14. Cabine d'ascenseur selon l'une quelconque des revendications 10 à 13, caractérisée en ce que l'élément d'actionnement (24) présente une section de levier autonome sur une longueur (L) d'au moins 10 cm et horizontale au moins dans la position de verrouillage.
  15. Cabine d'ascenseur selon l'une quelconque des revendications 1 à 14, caractérisée en ce que l'élément d'encliquetage (8) et/ou l'élément d'actionnement (24) sont conçus sous forme de pièces pliées en tôle métallique.
EP17794349.5A 2016-11-15 2017-11-09 Cabine d'ascenseur Active EP3541734B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16198987 2016-11-15
PCT/EP2017/078772 WO2018091350A1 (fr) 2016-11-15 2017-11-09 Cabine d'ascenseur

Publications (2)

Publication Number Publication Date
EP3541734A1 EP3541734A1 (fr) 2019-09-25
EP3541734B1 true EP3541734B1 (fr) 2023-03-22

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ID=57326265

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EP17794349.5A Active EP3541734B1 (fr) 2016-11-15 2017-11-09 Cabine d'ascenseur

Country Status (5)

Country Link
US (1) US11174124B2 (fr)
EP (1) EP3541734B1 (fr)
CN (1) CN109963804B (fr)
ES (1) ES2944539T3 (fr)
WO (1) WO2018091350A1 (fr)

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WO2017102966A1 (fr) * 2015-12-18 2017-06-22 Inventio Ag Cabine d'ascenseur munie d'une balustrade rabattable et dispositif de commande d'un système d'ascenseur muni de ladite cabine d'ascenseur
CN109963804B (zh) * 2016-11-15 2021-10-12 因温特奥股份公司 电梯轿厢
CN111362085B (zh) * 2018-12-26 2022-12-20 奥的斯电梯公司 栏杆组件、轿厢和电梯
US11905141B2 (en) * 2019-12-20 2024-02-20 Inventio Ag Elevator car pivotable balustrade and maintenance method for an elevator
JP6940229B1 (ja) * 2020-05-20 2021-09-22 東芝エレベータ株式会社 エレベータ装置およびその使用方法
CN114074884A (zh) * 2020-08-13 2022-02-22 奥的斯电梯公司 顶部扩展部及其操作方法、电梯轿厢组件和电梯***
CN113321099A (zh) * 2021-05-21 2021-08-31 苏州凌丰电梯有限公司 一种电梯轿顶的可伸展智能护栏

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WO2018091350A1 (fr) 2018-05-24
CN109963804A (zh) 2019-07-02
CN109963804B (zh) 2021-10-12
EP3541734A1 (fr) 2019-09-25
US20190256323A1 (en) 2019-08-22
ES2944539T3 (es) 2023-06-22

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