EP1760026B1 - Méthode pour conduire des travaux de maintenance et d'inspection dans un système d'ascenseur - Google Patents

Méthode pour conduire des travaux de maintenance et d'inspection dans un système d'ascenseur Download PDF

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Publication number
EP1760026B1
EP1760026B1 EP20060119738 EP06119738A EP1760026B1 EP 1760026 B1 EP1760026 B1 EP 1760026B1 EP 20060119738 EP20060119738 EP 20060119738 EP 06119738 A EP06119738 A EP 06119738A EP 1760026 B1 EP1760026 B1 EP 1760026B1
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EP
European Patent Office
Prior art keywords
cage
door
lift
roof
shaft
Prior art date
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Not-in-force
Application number
EP20060119738
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German (de)
English (en)
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EP1760026A1 (fr
Inventor
Mario Fernandes
Emmanuel Kolb
Denis Sittler
Denis Wagner
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Inventio AG
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Inventio AG
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Priority to EP20060119738 priority Critical patent/EP1760026B1/fr
Publication of EP1760026A1 publication Critical patent/EP1760026A1/fr
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Publication of EP1760026B1 publication Critical patent/EP1760026B1/fr
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    • 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
    • B66B11/0246—Maintenance features
    • 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

Definitions

  • the present invention relates to a method for carrying out maintenance and inspection work on an elevator installation.
  • US-A-6880678 discloses a method, or an elevator installation, according to the preamble of claim 1 or of claim 11.
  • JP 09263372 discloses a solution that ensures compliance with such a safety distance. It is proposed therein to design an elevator car so that its cabin ceiling can be lowered into the passenger compartment so that it forms a maintenance platform, from which the maintenance person carries out inspection or repair work on elevator components fixed in the elevator shaft. By lowering the cabin ceiling is achieved that the said safety distance is ensured without special safety devices, such as in the cabin travel einschwenkbare bump stop or a additional switching device, which forms a downwardly offset upper electrical path limit, are required.
  • JP 09263372 disclosed maintenance method, in which a lowerable cabin ceiling serves as a maintenance platform, has certain disadvantages, which are briefly described below:
  • the maintenance person From the cabin ceiling, the maintenance person must use a hand-operated cable drum to cover the cabin Lower the working level and, after completing the maintenance work, raise it to normal level, with the lifting device additionally burdened with the weight of the maintenance person in addition to the weight of the cabin ceiling.
  • the invention has for its object to provide a method for performing maintenance and inspection work on an elevator installation of the type mentioned, which does not have the mentioned disadvantages of the cited as prior art device.
  • a method is to be created in which the maintenance person gets to the cabin ceiling, without having to stop the elevator car at a level not normal floor level with much time and skill, without having to accept the risk of a crash and without risk she has the cabin ceiling with the additional burden of the maintenance person down and in particular to move upwards.
  • the object is achieved by a method or an elevator system which has the features specified in the independent claim 1 or claim 11.
  • the elevator system according to the invention in which or in which the lifting device with which the lowerable car ceiling is lowered or raised, comprises a plurality of Bowden cables, wherein the force required to lift or hold the car ceiling by traction means of the Bowden cables from the drive device via support points the elevator car is transferred to the cabin ceiling.
  • the elevator car is automatically positioned by the elevator control on the selected floor due to a landing call, after which the car door and the shaft door are opened automatically.
  • the lifting device with which the lowerable cabin ceiling is lowered or raised driven by means of a manually or by electric motor actuated drive device.
  • Space-saving and cost-effective is an embodiment of the method in which the drive device is actuated by the maintenance person with the aid of a hand crank or an electrically operated mobile torque generator.
  • a particularly user-friendly implementation of the method is achieved in that the drive device is arranged in the range of a door striker of the car door and is manually operated by standing in the door openings of the car door and the shaft door on the respectively associated floor maintenance person.
  • An improvement of the user-friendliness due to the reduction of the effort to be applied by the maintenance person is achieved by an embodiment of the method in which the weight of the lowerable cabin ceiling is at least partially compensated by means of a relief device provided in the form of a spring-driven cable drum.
  • a ladder installed on the lowerable cabin ceiling is used as the ascent device.
  • An embodiment of the method according to the invention has proven to be particularly comfortable and reliable, in which the ascent ladder has at one end thereof on an in the Area of the cabin door-side front edge of the cabin ceiling arranged horizontal axis of a hinge is pivotally mounted and pivoted before the rise of the maintenance person on the lowered cabin ceiling by this maintenance person from its horizontal position on the cabin ceiling at an angle of about 270 ° in an almost vertical rise position in the car door becomes.
  • the ascent ladder comprises a plurality of telescopically extendable segments, wherein the ascent ladder pivoted in collapsed state about said horizontal axis under a door striker of the car door into its vertical rise position and then extended to full length becomes.
  • the foot of the swiveled-down ladder (22) is supported in the area of a car door sill on a floor of the elevator car, wherein the ladder is positioned so that the car door and the shaft door can be closed before the elevator car to the Maintenance items is moved.
  • Fig. 1 schematically shows an inventive elevator car 1 with a lowerable cabin ceiling 2, which can serve in the illustrated lowered position as a maintenance platform for the maintenance or repair of elevator components arranged in the elevator shaft.
  • the elevator car comprises as main components a cabin floor 3, a roof frame 4, which is connected via vertical posts 5 to the cabin floor 3, and suspended on the traction means 7 of four Bowden cables 6 and lowered by means of these Bowden cables 6 cabin ceiling 2, in normal operation within or is fixed below the roof frame 4.
  • Cabin walls as well as cabin doors are in Fig. 1 not shown for reasons of clarity.
  • the Bowden cables 6, each comprising a continuous or formed by several sections flexible sheath 8 with a guided therein traction means 7 connect the lower cab ceiling 2 with a drive device 10, which is below a cabin door side part of the roof frame 4, ie in the region of the door fender Cabin door, is attached.
  • the drive device 10 described in detail in a following section has the task of causing all traction means 7 leading to the cabin ceiling 2 to synchronous longitudinal movements, which cause a parallel lowering or lifting of the cabin ceiling 2.
  • Each of the traction means 7 is at least partially guided in a flexible cladding tube 8 to a support point 9 on the roof frame, which is located vertically above an attachment point of the traction means 7 on the lowerable cabin ceiling.
  • the cladding tube 8 leads each Bowden cable without interruption of the drive device 10 to said support point 9 on the roof frame 4, where it is fixed.
  • interrupted ducts 8.1 the interruption associated ends of the ducts are immovably fixed to the elevator car, preferably by means of holding pieces 12 on the roof frame 4.
  • the associated traction means 7 always extends continuously from the drive device 10 through the continuous or interrupted ducts 8, 8.1 via said support point 9 on the roof frame to vertically below this attachment point to the cabin ceiling, and it always between the ends of the sheaths 8.1 associated with an interruption can only run in a straight line.
  • Each of the Bowden cables 6 can thereby be arranged in innumerable variations for the purpose of avoiding obstacles, for aesthetic reasons, or so as not to constitute a hindrance to a maintenance person standing on the car ceiling, and in doing so be bent in all desirable directions.
  • a deflection roller instead of a deflection of the traction device by means of a cladding tube, as is illustrated with reference to the deflection roller 13.
  • each scissors arm 15.1 is pivotally and immovably connected to one of its ends and connected to the car ceiling or to the roof frame by the other end via a horizontally displaceable wrist joint.
  • Fig. 1 shows another embodiment of a scissor mechanism that works with non-displaceable arm joints 15.2.
  • this solution requires that all four of a central scissors hinge 15.3 outgoing scissor arms 15.1 must be telescopically extendable.
  • the extension length the scissor arms is limited by integrated stops, so that the scissors mechanism 15 forms a limitation of the lowering depth of the cabin ceiling and stabilizes the cabin ceiling at maximum lowering in all horizontal directions.
  • an elevator car is equipped with two or more such scissors mechanisms.
  • the scissor arms can also serve to guide a power cable, which ensures the supply of electrical energy from the elevator car to the lowerable cabin ceiling, for example, to feed the lighting of the luminous ceiling.
  • a power cable may for example be fixed to each section of a scissor arm, wherein the power cable in the region of the transition between two mutually displaceable sections forms a hanging loop to bridge the mutual displacement of the scissor arms.
  • An additional horizontal stabilization of the lowered cabin ceiling 2 is achieved by a pair of crosswise arranged in a plane parallel to a cabin wall bending sluggish but longitudinally stiffer Wegverstrebonne 17 which connect the cabin ceiling 2 with the roof frame 4.
  • the Buchverstrebonne 17 are tensioned, whereby the latter, in cooperation with the traction means 7 of the cabin ceiling Bowden cables, directed parallel to said cabin wall suppress horizontal movements of the cabin ceiling 2.
  • Fig. 1 further discloses a relief device 18 based on the action of a preloaded spring, which carries a portion of the weight of the cabin ceiling 2.
  • a relief device has the advantage that the lifting force required for lifting the car ceiling 2 is reduced, whereby the load and thus the wear of the cabin ceiling Bowden cables 6 and applied by a maintenance person operating force for the drive device 10 are lower.
  • the illustrated relief device 18 comprises a cable drum 18.2 mounted on an extended axis 18.1, on which a release cable 18.3 connected to the car ceiling 2 can be wound up or unwound in a thread-like manner.
  • a coil spring 18.4 is guided, which is coupled with its one end to the cable drum 18.2 and with its other end with a fixed part 18.5.
  • the coil spring 18.4 is biased as a torsion spring, wherein it exerts a torsional moment on the cable drum 18.2, so that in the relief cable 18.3 results in an upward tensile force, which counteracts the weight of the cabin ceiling 2.
  • each such relief device 18 is mounted on two opposite sides of the elevator car 1.
  • Task of the drive device It is to transmit to the traction means 7 of the cabin ceiling bearing or lowering and lifting Bowden cables 6 a synchronous longitudinal movement.
  • the traction means 7 are fixed with their drive-side ends to fixed points 10.1.4.1 of the second support 10.1.4, extend from there to the respectively assigned Glasschumlenkrollen 10.1.7 of the linearly displaceable drive part 10.1.6, wrap around them and run in the opposite direction back to second support 10.1.4, where they enter the respectively associated, fixed to the second support flexible ducts 8 of the Bowden cables 6, which the traction means to those associated with Fig. 1 mentioned support points 9 lead to the roof frame 4.
  • To lower the cabin ceiling is with a hand crank 10.1.8 or by means of an electrically operated torque generator -.
  • the drive spindle 10.1.1 rotated.
  • the rotation of the drive spindle results in a linear displacement of the drive part 10.1.6 to the right, so that the lower strands of the tensioning means 7 looped over the tensioning centering rollers 7 move to the right as a result of the weight force acting on the cabin ceiling and guided by the cladding tubes Lower the cabin ceiling.
  • the drive spindle 10.1.1 is rotated in the opposite direction of rotation, so that the lower strands of the traction means 7 looped over the traction means deflection rollers 10.1.7 are moved to the left. It is easy to see that at the in FIGS.
  • Fig. 4 shows a second variant 10.2 of in Fig. 1 with 10 designated drive device.
  • Fig. 3 make one
  • the roof frame 4 with its cabin door-side roof frame element 4.1, to which the drive device 10.2 is fastened, can be seen once again, so that when the car door is installed between a door fender of the door Cabin door and the passenger compartment is arranged.
  • Task of the drive device according to 4 and 5 is the same as that of the drive device according to FIGS. 2 and 3 That is, it is on the traction means 7 of the cabin ceiling bearing or lowering and lifting Bowden cables 6 a to transmit synchronous longitudinal movement.
  • the traction means 7 are fixed with their drive-side ends to fixed points 10.2.4.1 of the second support 10.2.4, extend from there to the respectively assigned Glasschumlenkrollen 10.2.7 of the linearly displaceable drive part 10.2.6, wrap around them and run in the opposite direction back to second support 10.2.4, where they enter the respectively associated, fixed to the second support flexible ducts 8 of the Bowden cables 6, which the traction means to those associated with Fig. 1 mentioned support points 9 lead to the roof frame 4.
  • a chain drive can also be used.
  • Fig. 6 shows details of the drive device 10.1, in particular safety devices against unauthorized operation of the drive device and against unintentional lowering of the cabin ceiling.
  • Fig. 7 illustrates a section A - A seen from below through the part of the drive device with the safety devices, the cover 10.1.9 being considered as not present.
  • Fig. 6 is the angle gear 10.1.3 for manually operated driving the drive spindle 10.1.1 with FIGS. 2 and 3
  • the drive of the angular gear is preferably carried out by means of a hand crank 10.1.8, which is coupled by means of coupling device with the input shaft 10.1.3.1 of the angle gear 10.1.3.
  • a hand-held, electrically powered torque generator may be used. The winch or the torque generator are handled when lowering or raising the cabin ceiling by a person standing on a floor maintenance person, the shaft door as well as the car door are open.
  • a cover 10.1.9 which has a first opening 10.1.9.1, through which the hand crank 10.1.8 can be coupled to the input shaft 10.1.3.1.
  • this is equipped with a between the cover 10.1.9 and the input shaft 10.1.3.1 arranged rotary valve 10.1.10, which is pivotally mounted on a U-shaped support section 10.1.13 via a rotation axis 10.1.10.1. In its self-centered basic position blocked the rotary valve with its locking wing 10.1.10.2 the insertion of the coupling piece of the hand crank 10.1.8.
  • the movement of the rotary valve 10.1.10 generated for coupling the hand crank 10.1.8 is used to operate on unlocking Bowden cables 10.1.12 the locking pawls of at least two locking devices, which prevent inadvertent lowering of the cabin ceiling.
  • Such a locking device is in Fig. 8 shown and described in the following section.
  • 10.1.12.3 are in the 6 and 7 marks the points at which the first ends of the traction means 10.1.12.1 of the unlocking Bowden cables 10.1.12 are coupled to the rotary valve 10.1.10, and with 10.1.12.4 those points are marked at which the first ends of the associated flexible sheaths 10.1 .12.2 of the unlocking Bowden cables 10.1.12 are fixed to the drive device.
  • the safety devices described above are also applicable to a drive device with toothed belt or chain drive.
  • Fig. 8 shows one of the above-mentioned locking devices 20, which prevent unintentional lowering of the cabin ceiling 2. Shown is a cross section through a roof frame element 4.2 of the roof frame 4 and an adjacent edge region of the cabin ceiling 2 with a ceiling frame profile 2.1, a ceiling plate 2.2 and a luminous ceiling 2.3.
  • the locking device 20 is fixed, which is a jack support 20.1, an articulated on the jack support locking pawl 20.2, and connected to the jack support 20.3 holder for a pawl return spring 20.4 and for the attachment of the cladding tube 10.1.12.2 one in connection with the 6 and 7 described unlocking Bowden cable 10.1.12.
  • a latch stop 20.5 is fixed, in which the locking pawl 20.2 engages in its spring-centered rest position, whereby any unintentional lowering of the cabin ceiling 2 is prevented.
  • a rotary valve 10.1.10 is moved before the operation of the drive device, wherein the movement of the rotary valve is used to actuate at least two locking Bowden cables 10.1.12.
  • These locking Bowden cables lead from the drive device 10.1 to at least two locking devices 20 of the type described above, wherein the traction means 10.1.12.1 of the locking Bowden cables 10.1.12 retracts the locking pawls 20.2 against the force of the pawl return springs 20.4 from the area of the pawl stops 20.5, so that the drive device 10.1 can lower the cabin ceiling 2 via the Bowden cables carrying them.
  • Fig. 9 schematically shows an inventive, movable in an elevator shaft 21 elevator car 1, which is positioned on a floor with a shaft door 24.
  • the car door 26 as well as the shaft door 24 are open.
  • a lowered to traction means 7 of Bowden cables 6, serving as a maintenance platform cabin ceiling 2 can be seen.
  • a ladder 22 is shown, the maintenance of a person climbing the floor of a floor 23 from the lowered cabin ceiling. 2 facilitated.
  • the ascent ladder 22 is telescopically extendable and stowed during normal elevator operation in collapsed, approximately horizontal state on the cabin ceiling 2, being connected via a joint combination 22.8 with the cabin door side ceiling frame section 2.4.
  • the ascent ladder 22 With lowered cabin ceiling 2, the ascent ladder 22 can be pivoted by an on a floor floor maintenance person by an angle of about 270 ° from its horizontal position on the cabin ceiling in a virtually vertical rise position in the open elevator doors 24, so that the maintenance person comfortably on as Maintenance platform lowered cabin ceiling 2 can rise.
  • the foot of the ladder 22 is supported in a position on the cabin floor, which allows to close the elevator doors 24, 26 and to move the elevator car 1 with inspection speed to the inspection locations in the elevator shaft.
  • Fig. 10 shows the pivoting process of the ladder ladder 22 in detail. Thanks to the two joints comprehensive joint combination 22.8 and the collapsible embodiment of the ascent ladder can this swing with lowered cabin ceiling 2 below the door fender 25 of the open cabin door 26 and bring in their almost vertical rise position. Subsequently, the three sections forming rectangular tubes 22.1, 22.2, 22.3 of the ladder ladder 22 are pulled out and locked each other, so that the crossbar 22.6 of the lower rectangular tube 22.3 reaches the car door sill 27 or the shaft door threshold 28 and can be supported on one of the thresholds.
  • Fig. 9 Also shown a so-called spiral cable, which ensures the supply of electrical energy from the elevator car 1 to the lowerable cabin ceiling 2, for example, to feed the lighting of the luminous ceiling 2.3.
  • This type of power supply is a cost-effective, space-saving and easy-to-install alternative to a power cable, which is provided by the scissors mechanism Fig. 1 is guided or separable connectors.
  • Fig. 9 also allows the position of the drive device 10 described above in the region of the door damper 25 of the car door 26 detect, with only a schematic cross section of the drive device is indicated.
  • Fig. 11 shows a view A on the in Fig. 10 illustrated extendable ladder 22, that is, a view from the shaft door side on the standing in the up position, solid ladder.
  • the ascent ladder 22 has a single central ladder stile, which comprises three sections formed by three rectangular tubes 22.1, 22.2, 22.3, the lower rectangular tube 22.3 of the lower section in the middle rectangular tube 22.2 of the middle section and the middle rectangular tube 22.2 of the middle section Section in the upper rectangular tube 22.1 of the upper section inserted and is guided displaceably.
  • a cross rung 22.4, 22.5, 22.6 rigidly attached, which serves as a step rung of the ascent ladder.
  • the ascending ladder 22 is made extendible so as to enable it to be lowered when the cabin ceiling 2 is lowered underneath the door damper 25 (FIG. Fig. 10 ) Can be swung through the car door. she can Of course, also have a different number of sections.
  • Fig. 12 shows a section XII - XII through the ascent ladder 22 according to Fig. 11 , Shown are an outer upper rectangular tube 22.1 of the upper section with a transverse rung attached to this 22.4, a run in said rectangular tube, belonging to the middle section middle rectangular tube 22.2, and a ladder stile locking device 22.7, which the two rectangular tubes 22.1, 22.2 in a defined solid State locked each other.
  • the ladder-rail locking device 22.7 comprises a in the associated ladder rung 22.4 slidably mounted locking piece 22.7.1, in which a locking pin is fixed 22.7.2, which by the force of a clutch 22.7.3 in the extended state of the two involved rectangular tubes in each corresponding holes of both rectangular tubes engages and these locked each other.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (14)

  1. Procédé pour conduire des travaux de maintenance et d'inspection dans une installation d'ascenseur qui comprend une gaine d'ascenseur (21) pourvue de portes palières (24), et une cabine d'ascenseur (1) mobile dans la gaine d'ascenseur et pourvue d'une porte de cabine (26), étant précisé qu'un plafond de cabine apte à être abaissé (2) sert de plate-forme de maintenance et que le procédé comprend au moins les étapes suivantes :
    - on positionne la cabine d'ascenseur (1) à un étage choisi et on ouvre la porte de cabine (26) et la porte palière (24) de l'étage choisi,
    - l'agent de maintenance abaisse le plafond de cabine (2), à l'aide d'un dispositif de levage, jusqu'à un niveau de travail situé au-dessous d'une traverse de dormant de porte (25) de la cabine (1),
    - à partir d'un plancher (23) de l'étage choisi, l'agent de maintenance monte à l'aide d'un dispositif de montée (22) sur le plafond de cabine (2) abaissé au niveau de travail, par la porte palière (24) et la porte de cabine (26) ouvertes, et
    - l'agent de maintenance qui se déplace avec le plafond de cabine abaissé amène la cabine d'ascenseur (1) jusqu'à des positions de maintenance dans la gaine d'ascenseur,
    caractérisé en ce que le dispositif de levage avec lequel le plafond de cabine apte à être abaissé (2) est abaissé et relevé comprend plusieurs commandes Bowden, étant précisé que la force nécessaire pour soulever et retenir le plafond de cabine (2) est transmise au plafond de cabine (2) par un dispositif d'entraînement (10.1, 10.2) du dispositif de levage, à l'aide de moyens de traction (7) des commandes Bowden (6) et par l'intermédiaire de points d'appui (9) situés sur la cabine d'ascenseur (1).
  2. Procédé selon la revendication 1, caractérisé en ce que la cabine d'ascenseur (1), à la suite d'un appel de cabine, est positionnée automatiquement par une commande d'ascenseur à l'étage choisi, après quoi la porte de cabine (26) et la porte palière (24) s'ouvrent automatiquement.
  3. Procédé selon l'une des revendications 1 ou 2, caractérisé en ce que le dispositif de levage avec lequel le plafond de cabine apte à être abaissé (2) est abaissé et relevé est entraîné à l'aide d'un dispositif d'entraînement (10.1, 10.2) apte à être actionné manuellement ou par un moteur électrique.
  4. Procédé selon la revendication 3, caractérisé en ce que le dispositif d'entraînement (10.1, 10.2) est actionné par l'agent de maintenance à l'aide d'une manivelle (10.1.8, 10.2.8) ou d'un générateur de couple mobile à commande électrique.
  5. Procédé selon la revendication 4, caractérisé en ce que le dispositif d'entraînement (10.1, 10.2) est disposé dans la zone d'une traverse de dormant (25) de la porte de cabine (26) et est actionné manuellement par l'agent de maintenance qui se trouve sur le plancher (23) de l'étage choisi, dans la zone des ouvertures de la porte de cabine (26) et de la porte palière (24).
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que le poids du plafond de cabine apte à être abaissé (2) est compensé au moins en partie à l'aide d'un dispositif de décharge (18) prévu sous la forme d'un tambour à câble à ressort (18.2).
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'on utilise comme dispositif de montée une échelle (22) installée sur le plafond de cabine apte à être abaissé.
  8. Procédé selon la revendication 7, caractérisé en ce que l'échelle (22) est montée pivotante, à une extrémité, sur un axe horizontal d'une articulation (22.8) disposé dans la zone du bord avant, situé côté porte de cabine, du plafond de cabine (2), et avant de monter sur le plafond de cabine (2) abaissé, l'agent de maintenance fait pivoter l'échelle (22) d'un angle d'environ 270° pour la faire passer de sa position horizontale sur le plafond de cabine (2) à une position de montée presque verticale dans la zone de la porte de cabine (26).
  9. Procédé selon l'une des revendications 6 à 8, caractérisé en ce que l'échelle (22) comprend plusieurs segments télescopiques (22.1, 22.2, 22.3), étant précisé que l'échelle (22), en position rétractée, pivote sur ledit axe horizontal en passant sous une traverse de dormant (25) de la porte de cabine (26), jusqu'à sa position de montée verticale, et est ensuite déployée sur toute sa longueur.
  10. Procédé selon l'une des revendications 6 à 9, caractérisé en ce que le pied de l'échelle (22) abaissée par pivotement est en appui sur un plancher de la cabine d'ascenseur (1) dans la zone d'un seuil de porte de cabine (27), l'échelle (22) étant positionnée de telle sorte que la porte de cabine et la porte palière peuvent se fermer avant que la cabine ne soit amenée dans les positions de maintenance.
  11. Installation d'ascenseur qui comprend une gaine d'ascenseur (21) pourvue de portes palières (24), et une cabine d'ascenseur (1) mobile dans la gaine d'ascenseur et pourvue d'une porte de cabine (26), étant précisé qu'un plafond (2) de la cabine (1) est apte à être abaissé à l'aide d'un dispositif de levage pour servir de plate-forme de maintenance,
    caractérisée en ce que le dispositif de levage avec lequel le plafond de cabine apte à être abaissé (2) est abaissé et relevé comprend plusieurs commandes Bowden (6) avec des moyens de traction (7) qui transmettent la force nécessaire pour soulever et retenir le plafond de cabine (2) à celui-ci (2), à partir d'un dispositif d'entraînement (10.1, 10.2), par l'intermédiaire de points d'appui (9) situés sur la cabine (1).
  12. Installation d'ascenseur selon la revendication 11, caractérisée en ce que le dispositif d'entraînement (10.1, 10.2) est apte à être actionné par un agent de maintenance à l'aide d'une manivelle (10.1.8, 10.2.8) ou d'un générateur de couple mobile à commande électrique.
  13. Installation d'ascenseur selon la revendication 11 ou 12, caractérisée en ce que le dispositif d'entraînement (10.1, 10.2) comprend une poulie de renvoi mobile de moyens de traction (10.1.7) sur laquelle passent les moyens de traction (7) des commandes Bowden (6), un déplacement de la poulie de renvoi de moyens de traction (10.1.7) provoquant un déplacement longitudinal du moyen de traction (7) et, ainsi, le soulèvement ou l'abaissement du plafond de cabine (2).
  14. Installation d'ascenseur selon la revendication 13, caractérisée en ce que le dispositif d'entraînement (10.1, 10.2) comprend une broche d'entraînement (10.1.1) ou une commande à courroie dentée (10.2.1) qui est apte à être entraîné par la manivelle ou le générateur de couple mobile afin de provoquer le déplacement de la poulie de renvoi de moyens de traction (10.1.7).
EP20060119738 2005-08-30 2006-08-29 Méthode pour conduire des travaux de maintenance et d'inspection dans un système d'ascenseur Not-in-force EP1760026B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20060119738 EP1760026B1 (fr) 2005-08-30 2006-08-29 Méthode pour conduire des travaux de maintenance et d'inspection dans un système d'ascenseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05107905 2005-08-30
EP20060119738 EP1760026B1 (fr) 2005-08-30 2006-08-29 Méthode pour conduire des travaux de maintenance et d'inspection dans un système d'ascenseur

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EP1760026B1 true EP1760026B1 (fr) 2010-05-26

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DE102022207530A1 (de) 2022-07-22 2024-01-25 ICG GmbH & Co. KG Arretierbolzensystem mit mehreren, über Bowdenzüge betätigen Arretierbolzen und gemeinsamem Griffstück

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EP3587333B1 (fr) * 2018-06-25 2021-08-04 Otis Elevator Company Cabine d'ascenseur avec plate-forme de travail mobile
EP3828119B1 (fr) * 2019-11-26 2023-03-29 Otis Elevator Company Cabine d'ascenseur comportant une assistance mécanique pour une plateforme de travail
US11427441B2 (en) 2020-07-23 2022-08-30 Otis Elevator Company Elevator car with foldable working platform
CN113968531A (zh) * 2020-07-23 2022-01-25 奥的斯电梯公司 具有可折叠式工作平台的电梯轿厢
CN114148846B (zh) * 2021-12-09 2023-04-25 江苏安全技术职业学院 一种电梯检修人员安全保护装置
EP4303164A1 (fr) 2022-07-04 2024-01-10 OTIS Elevator Company Cabine d'ascenseur dotée d'une plateforme de travail pliable

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US6880678B1 (en) * 2000-04-20 2005-04-19 Inventio Ag Device for carrying out work in an elevator shaft
CN1323921C (zh) * 2002-08-23 2007-07-04 三菱电机株式会社 电梯装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11104550B2 (en) 2018-02-27 2021-08-31 Otis Elevator Company Elevator car and elevator system comprising an elevator car
DE102022207530A1 (de) 2022-07-22 2024-01-25 ICG GmbH & Co. KG Arretierbolzensystem mit mehreren, über Bowdenzüge betätigen Arretierbolzen und gemeinsamem Griffstück

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