EP3019428B1 - Sécurité contre les chutes pour une plate-forme - Google Patents

Sécurité contre les chutes pour une plate-forme Download PDF

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Publication number
EP3019428B1
EP3019428B1 EP14734177.0A EP14734177A EP3019428B1 EP 3019428 B1 EP3019428 B1 EP 3019428B1 EP 14734177 A EP14734177 A EP 14734177A EP 3019428 B1 EP3019428 B1 EP 3019428B1
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EP
European Patent Office
Prior art keywords
displaceable platform
platform
displaceable
locking mechanism
safety
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
EP14734177.0A
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German (de)
English (en)
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EP3019428A1 (fr
Inventor
Stefan Weber
Pascal BLÄSI
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
Original Assignee
Inventio AG
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.)
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Publication date
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Priority to PL14734177T priority Critical patent/PL3019428T3/pl
Priority to EP14734177.0A priority patent/EP3019428B1/fr
Publication of EP3019428A1 publication Critical patent/EP3019428A1/fr
Application granted granted Critical
Publication of EP3019428B1 publication Critical patent/EP3019428B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/005—Mining-hoist operation installing or exchanging the elevator drive
    • 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces

Definitions

  • the invention relates to a displaceable platform in an elevator installation with a fall protection and to a method for securing a displaceable platform in an elevator installation.
  • the elevator system is usually installed in a building.
  • the building includes a shaft that extends over several floors of the building.
  • the elevator system includes at least one elevator car.
  • the elevator car is moved by means of a drive along substantially vertical guide rails in the shaft.
  • lower areas of the building are already equipped with elevators, while upper areas of the building are still under construction.
  • Special, so-called growing elevators are used. This means that during the construction period of the building, a machine room of the elevator system is moved from a lower temporary use position to a next upper use position.
  • the engine room is designed as a movable platform. It is particularly important here that the displaceable machine room or the displaceable platform is safe during the movement and can not crash.
  • WO2012 / 072860 a method is known how such a machine room can be moved.
  • the movable machine room is secured during the shifting by means of safety gear against falling.
  • the safety gears are in this case pressed by springs in a locked position. In this locked position, the safety gear lock a downward movement and they allow an upward movement.
  • JP2013-112500 is a temporary work platform known, which is secured by means of a locking against falling.
  • KR2002-078342 is another installation platform known.
  • a first braking device is controlled by a pedal and a second braking device is controlled by a speed monitor.
  • the invention aims to provide an alternative fall protection on a movable platform of a lift system, or a corresponding Method for securing a displaceable platform in a shaft of an elevator installation.
  • the fall protection should be easy to handle and safe.
  • the sliding platform is installed in the shaft of the elevator installation and it is usually supported and held by means of Absetzz soliciten such as supports or supports on a wall of the shaft or in recesses in the wall of the shaft.
  • the movable platform includes, for example, a machine room equipment or the movable platform forms the engine room. Of course, the movable platform can also be used for receiving or transporting other elevator components.
  • Above the movable platform at the end of the respective construction phase, there is usually at least one end roof. Above the roof, the building can be further developed, while below the sliding platform, an elevator is already in operation.
  • the displaceable platform is preferably guided along vertically aligned guide rails. These guide rails are mounted in the shaft and they are provided for guiding an elevator car of the elevator.
  • the guide rails can be subsequently installed in the shaft to the already installed guide rails.
  • Other lift components such as shaft doors, information transmitters, electrical wiring, etc. can be mounted.
  • the movable platform can be moved so that this next higher driving range or a corresponding part of the building can be accessed by the elevator.
  • the sliding platform is thus typically moved from a lower temporary deployed position to an upper deployed position.
  • the sliding of the movable platform to the upper use position is usually by means of lifting means, for example by means of chain hoist, crane, winch, hydraulic jack or strand jacks.
  • the displaceable platform or the displaceable machine room can be moved upwards several times until a top deployment position or the final deployment position is reached.
  • the lifting device for moving the sliding platform can directly attack the sliding platform or it can attack on the sliding platform via deflections or via hinges, similar to a pulley.
  • the movable platform is equipped with a fall protection.
  • the fall protection on the one hand includes a safety gear, which is arranged on the movable platform and which can be brought in case of need, for example by means of an actuating device in engagement with the guide rail.
  • a safety component is preferably arranged along a displacement path of the displaceable platform.
  • a ratchet arranged on the displaceable platform is preferably in engagement with the safety component, and the ratchet is at least indirectly connected to the safety gear.
  • the locking mechanism is designed such that it can block or at least block a downward movement of the locking mechanism along the safety component. This results in a possible downward movement of the movable platform a corresponding blocking of the locking mechanism on the security component.
  • the locking mechanism is in this case connected to the safety gear such that it brings the safety gear from a rest position into engagement with the guide rail during the relative movement of the locking mechanism to the displaceable platform.
  • the locking mechanism together with the safety component forms the actuating device.
  • the sliding platform can be moved upwards, and in case of unintentional downward movement of the sliding platform, the safety gear on the sliding platform is actuated quickly and directly.
  • the movable platform is thus braked or stopped at the guide rails.
  • known safety devices such as those used for braking elevator cars, can be used.
  • the sliding platform has at least one attachment point with corresponding suspension means, to which the cabin can be attached if necessary, so that the movable platform is displaceable together with the attached cabin.
  • an intermediate linkage is provided, which connects an already existing Fangbremssystem the car with the connection rod of the fall protection.
  • the catch brake system of the car is essentially simultaneously with or even slightly in front of the arranged on the movable platform catching device operable or engageable with the guide rail. This is advantageous because it can be relieved the safety gear of the movable platform or the engine room.
  • the displaceable platform is arranged vertically displaceable along mutually parallel guide rails, and the displaceable platform includes at least two safety gears.
  • one of the safety devices cooperates with one of the parallel guide rails.
  • the locking mechanism advantageously acts via a connecting rod on the at least two safety gears.
  • the sliding platform is symmetrically loaded during a catching process, or during braking by the fall protection, and tilting moments can be kept low.
  • several pairs of safety gear can be interconnected via the connecting rod. It can also be used several guide rails with multiple pairs of safety gears.
  • guide rails which are provided for later guidance of the elevator car and guide rails, which are provided for later guidance of a counterweight, are used to guide and secure the sliding platform.
  • the multiple safety devices for securing the movable platform can be distributed to the multiple guide rails.
  • the multiple safety gears are then interconnected via the connecting linkage so that they are operated synchronously.
  • the at least two safety gears are connected to each other by means of a connecting rod, so that they are substantially actuated with each other.
  • the linkage is in turn controlled by the connecting linkage. Controlled determines in this context that the connecting rod is so coupled to the connecting linkage, so that an operation of the connecting rod is transmitted to the connecting rod.
  • a connection of at least two safety gears by means of cable or possibly also by means of an electrical release means possible.
  • the connecting rod is inexpensive to manufacture and it is safe in use.
  • the connecting rod has a translation which translates the relative movement between the locking mechanism and the displaceable platform so that an actuation path is shortened until engagement of the safety gear with the guide rail. This is advantageous since it allows a fall path to be minimized up to a possible standstill of the displaceable platform.
  • the connecting rod is held by means of a return spring in a standby position.
  • the standby position of the connecting rod corresponds to the rest position of the safety gear, that is, the sliding platform is freely movable upwards and the safety gear is not engaged with the guide rail. This is advantageous because it does not block the sliding platform because of small vibrations.
  • the connecting rod includes a stroke adjustment, and this stroke adjustment can adjust the rest position of the safety gear.
  • this stroke adjustment can adjust the rest position of the safety gear.
  • a required actuation path from the rest position of the safety gear to the engagement of the safety gear with the guide rail can be preset.
  • the stroke adjustment may be set to rough to allow a slight lowering of the sliding platform, while moving the movable platform, the stroke adjustment can be made sensitive. This will quickly stop any slippage of the movable platform.
  • Stroke on coarse means here that a longer actuation path is set from the rest position of the safety gear to the engagement of the safety gear with the guide rail.
  • sensitive stroke adjustment means that a short actuation path is set from the rest position of the safety gear to the engagement of the safety gear with the guide rail.
  • the stroke adjustment may include, for example, an eccentric disc with which the actuating travel is adjusted by turning.
  • the locking is made switchable, so at least temporarily a lock function can be turned off.
  • a lock function can be turned off.
  • the temporary switch-off requires a continuous manual intervention, so that in the event of a fault, the locking mechanism can block again only by omission of the manual intervention.
  • the safety component is a safety cable which extends at least along the displacement path of the displaceable platform, and the locking mechanism is designed as a rope safety lock.
  • the safety cable is guided through the locking mechanism or the locking mechanism surrounds the safety cable. Reintechnischsgesperre have been tested many times and they are available at low cost.
  • the safety cable can extend from the bottom of the shaft to the topmost application position or it can only along the required displacement of the sliding platform to be excited.
  • the guide rail is also the safety component.
  • the locking mechanism is designed to cooperate with a web of the guide rail. This is particularly cost-effective, since the already existing guide rail is at the same time the safety component.
  • the fall protection is provided with a warning device which makes a rest or standby position of the connecting rod or the safety gear recognizable.
  • the warning device may be a switch which controls corresponding control displays or signal lights, or it may for example also be a mechanical switching flag which indicates, for example, the position of the connecting rod.
  • the use of a warning device is advantageous, as it allows a blocking of the locking mechanism or a lowering of the movable platform also optically quickly displayed or detected. This increases security.
  • the circuit can be operated with an energy storage or with a battery during the time of moving the sliding platform.
  • the displaceable platform includes settlers by means of which the displaceable platform can be fixed at predetermined locations in the shaft.
  • the settling devices are, for example, supports or cantilevers of the displaceable platform, which can be extended and which, for example, can be supported on the wall of the shaft or in recesses in the wall of the shaft.
  • the sliding platform includes at least one elevator drive used to drive the elevator with the at least one car. The sliding platform is used as a machine room. At least when moving the slidable platform from the lower temporary deployed position to the upper deployed position, the fall arrestor secures this slidable platform against crash with the elevator drive. This is self-evident advantageous because a crash of the elevator drive and any high follow-up costs can be prevented.
  • the cabin of the elevator system is temporarily suspended from a lower temporary deployment position to a next upper deployment position to the displaceable platform when moving the arranged on the sliding platform engine room of the elevator installation.
  • the catch brake system of the car is preferably connected to the locking of the so that upon actuation of the locking mechanism, the safety brake system of the car is operated together with the arranged on the movable platform safety gear.
  • the method allows a manual disabling of the locking function of the locking mechanism or its connection to the safety gear, so that the sliding platform can be lowered at least over a predetermined Absetzweg without bringing the safety gear into engagement with the guide rail.
  • the establishment of a displaceable engine room includes a multi-stage shifting, transport and security system.
  • a roof there is located at the top or at the top of the respective construction section a roof.
  • This roof is installed by a contractor at the end of the construction phase at the top of the shaft.
  • the roof has the task of separating the lower shaft area from the construction area above the roof and protecting the lift system, which is in operation at the bottom of the building.
  • it preferably includes support structures or suspension eyes or suspension points.
  • This technical auxiliary platform has a support frame, which, similar to the sliding platform, supports or supports, which allows a placing of the technical auxiliary platform in recesses of the shaft walls.
  • the support frame further has guide rollers which can guide the technical auxiliary platform in the shaft, for example on walls of the shaft.
  • the technical auxiliary platform preferably includes a first lifting means, for example a cable pulling device, which is provided in order to pull itself and thus the technical auxiliary platform in the shaft in cooperation with the supporting structure of the end roof. Further, the technical auxiliary platform preferably also includes a rope lock, which can prevent any slipping of the auxiliary platform.
  • the rope lock acts on a rope, which is also connected to the roof, usually by means of a support roller. After an installation or a displacement of the end roof, the technical auxiliary platform can thus be lifted and fixed in the shaft in the vicinity of the end roof.
  • the technical auxiliary platform now preferably contains further support points or attachment points, on which a mounting platform or other auxiliary hoists can be suspended.
  • the guide rails can then be installed in the shaft to the lower and already installed guide rails.
  • further shaft material can be installed by means of the assembly platform or by means of other auxiliary hoists. An operation of running in the lower shaft area elevator system is not disturbed.
  • marks are attached to the technical auxiliary platform, which can be used as straightening aids in the exact alignment of the guide rails. These marks may be indicative marks for attaching Lotschnüren or for setting laser instruments or the like.
  • the technical auxiliary platform now preferably further includes a second hoist, for example a chain hoist.
  • the chain hoist is designed so that the displaceable platform or the engine room can preferably be moved together with the attached cabin.
  • FIG. 1 is an elevator system built into a building.
  • the building is substantially completed in a lower area 3u, and the elevator system opens up this lower area 3u.
  • the elevator installation includes an elevator cage 43.
  • the elevator cage 43 is moved by means of a drive 39 and via support and propellant means 44 along substantially vertical guide rails 23 in a shaft 3 of the building.
  • the drive 39 is arranged on a displaceable platform 20.
  • the movable platform 20 is thus also referred to as a displaceable engine room.
  • the slidable platform 20 is located in a lower temporary deployed position P1. It is, for example by means of a settling device 38 on or in walls of the shaft - in the example in front and rear walls - fixed.
  • the settlers 38 are preferably extendable pads or supports. These settling devices 38 are guided longitudinally displaceably in a hollow profile of the displaceable platform 20. In a front region of the displaceable platform 20, these setting devices can be pulled so that they overlap with a floor bottom. In the rear region of the displaceable platform 20, these depositing devices can be pushed by means of control rods 54 from the front to the rear, so that they protrude into recesses or recesses in the rear wall. Thus, the settling devices 38 can be actuated without entering the displaceable platform 20.
  • lateral niches, recesses, wall projections or support brackets can be used, in which case the Absetzz coupleden 38 would be extended laterally or swung.
  • the displaceable platform 20 contains the essential elevator components required for the operation of the elevator installation, as far as they are usually arranged in the machine room.
  • the elevator installation can thus be operated in the lower area 3u of the shaft 3.
  • sliding platform 20 also has a protective roof 41.
  • the protective roof 41 closes the shaft 3 upwards. Irrespective of this, it is customary for construction managers to place additional ceilings or a roof covering in order, for example, to prevent penetration of concrete or rainwater, etc., into the lower shaft area 3u.
  • the elevator car 43 of course includes its own Fangbrems- or Catch braking system 48, which catches or stops the elevator car 43 in a known manner at overspeed.
  • the sliding platform 20 is equipped with a fall protection 25.
  • this fall protection 25 is not of major importance, since the movable platform 20 is fixed and blocked by the settler 38 and thus can not crash In FIG. 2 the building is completed to a next area 3u + .
  • the guide rails 23 and of course other shaft material such as shaft doors or information systems, etc. (not shown) are installed.
  • a safety component 27 of the fall protection device 25, in the example a safety cable, is installed over the next area 3u + .
  • a detailed structure of a possible embodiment of the fall protection 25 is explained later.
  • the elevator car 43 is attached by means of trailing means 45, in the example by means of support rods, to the displaceable platform 20.
  • the movable platform is provided with corresponding attachment points.
  • a possible counterweight (not shown) is fixed at the bottom of the shaft 3.
  • the support means 44 can be solved depending on the type of suspension or at least relieved in one of the Tragstoffbefest Trentscon and they can be easily nachzug or pulled in the subsequent raising of the movable platform 20 or in a later step.
  • a lifting means 62 which is mounted on a suspension point 22 of the movable platform 20, the movable platform 20 or the entire machine room can now be raised together with the elevator car 43 and moved to an upper insertion position P2.
  • the upper deployment position P2 is determined such that a next higher driving range can be operated in the building.
  • the settling device 38 of the displaceable platform 20 is released or retracted so that it does not hinder the displacement of the displaceable platform 20.
  • the sliding platform 20 is secured by the fall protection 25 against unexpected downward movement.
  • the fall protection 25 of the displaceable platform 20 is in this case coupled by means of an intermediate linkage 46 with the safety brake system 48 of the elevator car 43.
  • the safety brake system 48 of the elevator car 43 thus acts as part of Fall protection.
  • the settler 38 of the sliding platform 20 is again extended, and the sliding platform 20 is deposited on the settler 38 and fixed by this.
  • the support means 44 can again - of course, in a new driving range adapted length - connected to the car 43 and the possible counterweight (not shown) and / or fixed in the Tragstoffbefest Trentsticianen.
  • the trailing means 45 and the support rods, by means of which the elevator car 43 was hung on the movable platform 20 can be removed.
  • the intermediate linkage 46 is released or decoupled from the safety brake system 48 of the elevator car 43. The lift system is thus available in a short time for the extended driving range.
  • the sliding platform 20 includes a supporting structure 21. On the supporting structure 21, the components corresponding to the purpose of the sliding platform 20 are arranged.
  • the sliding platform 20 includes engine room components as required for operation of the elevator installation. These are in particular the drive 39 together with corresponding electrical control elements such as elevator control and AC or inverter, a speed limiter 40 for controlling the safety brake system 48 of the elevator car 43 or a Tragstoffbefest Trentstician 42.
  • the list is only an example. Of course, a purpose for which the slidable platform 20 is needed will dictate placement of the slidable platform.
  • the settling device 38 is integrated.
  • the support structure 21 includes guide shoes 24 with which the displaceable platform 20 can be guided along the guide rails 23.
  • the entire movable platform 20 is covered by a protective roof 41.
  • the protective roof 41 has openings which enable at least one passage of the guide rails 23, the safety cable 27 or also of the lifting means, with which the displaceable platform 20 can be pulled up.
  • the fall protection 25 of the displaceable platform 20 is largely integrated into the support structure 21.
  • two pairs of safety gears 26 are integrated in the support structure in the present example, which together with the guide rail 23, the sliding platform, 20 can stop and hold the associated loads.
  • the safety gears 26 are, as in detail in the Figures 5 and 6 represented connected via tie rods 34 with a drawbar lever 33.
  • the drawbar levers 33 are further synchronized with each other via a connecting rod 31 and corresponding lever connections 32.
  • the lever connections 32 are actuated by a connecting rod 29, and the connecting rod 29 is coupled to an actuating device 19.
  • a locking mechanism 28 is used, which is coupled to the safety cable 27.
  • the locking mechanism 28 is preferably a commercially available locking mechanism.
  • the locking mechanism 28 controls the safety gear 26 via the connecting linkage 29 and, as a rule, via the intermediate linkage 46 also the safety brake system 48 of the elevator car 43
  • FIG. 6 an embodiment of the connecting rod 29 is shown in detail.
  • the connecting rod includes a lever support 29.3.
  • the lever support 29.3 has attachments that allow attachment of the connecting linkage on the platform structure 21.
  • two parallel levers 29.2 are mounted and these two parallel lever 29.2 include at one end a connector 29.1.
  • a pivoting movement of the connector is parallel to the safety component 27 and the corresponding safety cable allows.
  • the locking mechanism 28 is attached so that it is aligned substantially in accordance with the course of the safety cable 27.
  • the parallel lever 29.2 are pressed by means of a return spring 30 in a standby position.
  • One of the parallel lever 29.2 is a bearing point and a first rod with a Drawbar lever 33, connected to a connecting rod 31 and another drawbar lever 33.
  • the first rod 29.4 is connected via compensating springs with the parallel lever 29.2, so that recoil forces of safety gear 26 are limited to the connecting rod 29.
  • the safety gears 26 are connected via tie rods 34 with the Switzerlandstangenhebeln 33.
  • the movable platform 20 moves downwards, locks the locking mechanism 28 on the safety component 27.
  • the parallel lever 29.2 are pivoted and these accordingly pivot the drawbar 33, which then operate the safety gear 26 via the tie rods 34.
  • one of the parallel levers 29.2 continues to actuate a second rod 29.5.
  • This second rod 29.5 is guided to a translation 35.
  • a movement of the parallel lever 29.2 is thus passed directly to the translation 35, which then controls the intermediate linkage 46, which in turn actuates the safety brake system 48 of the elevator car 43.
  • the translation is designed to increase the movement of the parallel lever 29.2 so that the safety brake system 48 of the elevator car 43 comes into effect approximately simultaneously or slightly ahead of the safety gears 26 of the sliding platform 20.
  • the second rod 29.5 is also connected via equalizing springs with the parallel lever 29.2, so that movement inequalities between the various catch and safety brake systems can be compensated.
  • the connecting rod 29 includes a stroke adjustment 36. This is an eccentric disc, by means of which the parallel lever 29.2 can be moved so that the safety gears 26 are already lifted from their standby position. Thus, a sensitivity of the fall protection can be set because a remaining actuation path can be shortened in a required operation.
  • an electrical contact 37.1 is arranged on the connecting rod 29, which switches upon actuation of the parallel lever 29.2 - and thus a corresponding operation of the catch and brake systems - a warning device 37, for example, a warning light or a rotating light. To power a battery or a battery is carried on the sliding platform.
  • FIG. 7 is the elevator system in a lower portion 3u of the shaft 3 in operation.
  • the slidable platform 20 is set as a machine room at the upper end of the lower portion 3u.
  • the elevator car 43 is in normal operation.
  • the building contractor continued to build the building over an upper area 3o, and at the upper end of the upper area 3o, the contractor installed a finishing roof 70.
  • the closure roof 70 closes the entire shaft 3 upwards so that no objects can fall into the shaft 3.
  • suspension eyes are anchored to which a hanger 66 is attached.
  • a technical auxiliary platform 50 is installed, which is connected by cables 57, 59 with the hanger 66.
  • the technical auxiliary platform 50 is described in detail in FIG FIG. 10 shown.
  • the technical auxiliary platform 50 has a support frame 51, which, similar to the movable platform 20, supports or supports 53, which allows a placing of the technical auxiliary platform 50 in recesses of the shaft walls.
  • the supports or supports 53 as in the explained in connection with the settling device 38 of the movable platform 20 embodiment, are actuated by control rods 54.
  • the support frame 51 further has guide rollers 52 which can guide the technical auxiliary platform 50 in the shaft 3.
  • the technical auxiliary platform 50 is fixed in each case in the uppermost area, near the roof. It includes aids that allow a displacement of the technical auxiliary platform itself as well as a later lifting of the movable platform 20. Further, the technical sub-platform 50 includes other support points that are used to complete the manhole with manhole material required to operate the elevator installation.
  • a first lifting means 56 is arranged in the embodiment of a cable pulling device. The first lifting means 56 acts on a rope 57. The cable 57 is attached at one end to the technical auxiliary platform, is guided by a support roller 67, which is arranged in the hanger 66 anchored in the end roof 70, and is guided to the first lifting means 56 or by drive elements of the first lifting means 56.
  • the first lifting means 56 thus pulls itself and thus the entire technical auxiliary platform 50 on the cable 57 upwards.
  • an auxiliary locking mechanism 58 which prevents any possible slipping off of the auxiliary platform, is also arranged on the technical auxiliary platform 50.
  • the Hilfsgesperre 58 acts on another rope 59, which also over a support roller 68 is connected to the end roof 70 and fixed at one end to the technical auxiliary platform 50.
  • the Hilfsgesperre 58 is designed together with the other cable 59 to hold the technical auxiliary platform 50 can.
  • cable reels 60 are provided, which serve to roll up the ropes 57, 59, when the technical auxiliary platform is fixed by means of the supports 53.
  • the suspensions and the arrangement of the guides 52 are chosen so that the technical auxiliary platform 50 can be moved approximately horizontally.
  • the technical auxiliary platform 50 includes further support points 55 on which a mounting platform 71 (see FIG. 8 ) or other auxiliary hoists can be hung. Furthermore, the technical auxiliary platform 50 includes a second motorized lifting means 61, for example a chain hoist.
  • the chain hoist is designed so that the displaceable platform or the machine room, preferably together with the attached cabin, can be moved.
  • a chain container 63 is arranged on the technical auxiliary platform 50, which serves for receiving the chain of the second motorized lifting means 61.
  • the assembly platform 71 is now attached by means of associated support means 72.
  • the Montagebühne 71 are removed or they can also be parked on the canopy 41 of the sliding platform.
  • the composite of movable platform 20 and the elevator car 43 is moved from the lower temporary insertion position P1 to the upper deployment position P2.
  • the backup and preparation of the movable platform 20 and the elevator car 43 is carried out as in connection with the comments on the FIGS. 1 to 3 shown.
  • the building can grow gradually, and the elevator can be extended by predetermined expansion steps S, respectively.
  • the expansion steps S can be done from floor to floor. Usually, however, expansion steps S in the range of 15 to 50 meters are selected.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Claims (13)

  1. Plate-forme coulissante (20) dans une gaine (3) d'une installation d'ascenseur avec une protection contre les chutes (25),
    la gaine (3) comporte au moins un rail de guidage (23), et la plate-forme coulissante (20) est disposée pour pouvoir coulisser à la verticale le long du rail de guidage (23),
    la plate-forme coulissante (20) comporte au moins un point de suspension auquel une cabine (43) peut être suspendue, de sorte que ladite plate-forme coulissante (20) est apte à coulisser avec la cabine (43) suspendue, et
    la protection contre les chutes (25) comporte au moins un parachute (26), qui est disposé sur la plate-forme coulissante (20) et qui est apte à être mis en prise avec le rail de guidage (23),
    caractérisée en ce que
    la protection contre les chutes (25) comporte également une tringlerie intermédiaire (46) qui peut relier un système de frein de parachute (48) de la cabine à une tringlerie de raccordement (29) de la plate-forme coulissante (20), de sorte que le système de frein de parachute (48) de la cabine (43) est apte à être mis en prise avec le rail de guidage (23) pratiquement en même temps que ou légèrement avant le parachute (26) disposé sur ladite plate-forme coulissante (20).
  2. Plate-forme coulissante (20) selon la revendication 1, la protection contre les chutes (25) comportant également :
    - un composant de sécurité (27) qui est disposé le long d'une trajectoire de coulissement (S) de la plate-forme coulissante (20),
    - un mécanisme de blocage (28), disposé sur la plate-forme coulissante (20), qui est en prise avec le composant de sécurité (27) et qui est relié au moins indirectement au parachute (26),
    le mécanisme de blocage (28) bloquant ou pouvant au moins bloquer un mouvement descendant le long du composant de sécurité (27), moyennant quoi lors d'un mouvement descendant de la plate-forme coulissante (20) et d'un blocage correspondant du mécanisme de blocage (28), un mouvement relatif de ce dernier par rapport à la plate-forme coulissante (20) a lieu, et le mécanisme de blocage (28) étant relié au parachute (26) de telle sorte que lors de son mouvement relatif par rapport à la plate-forme coulissante (20), il amène le parachute (26) d'une position de repos à une position de prise avec le rail de guidage (23).
  3. Plate-forme coulissante selon la revendication 2,
    - la plate-forme coulissante (20) étant disposée pour pouvoir coulisser à la verticale le long de deux rails de guidage (23) parallèles, et comportant au moins deux parachutes (26), chaque parachute (26) pouvant coopérer avec un rail de guidage (23),
    - le mécanisme de blocage (28) pouvant agir par l'intermédiaire de la tringlerie de raccordement (29) sur les deux parachutes (26), ou plus, de la plate-forme coulissante (20), et
    - le mécanisme de blocage (28) pouvant agir par l'intermédiaire de la tringlerie intermédiaire (46), apte à être reliée à la tringlerie de raccordement (29), sur le système de frein de parachute (48) de la cabine.
  4. Plate-forme coulissante selon la revendication 3,
    les deux parachutes (26), ou plus, de la plate-forme coulissante (20) étant reliés à l'aide d'une tringlerie de liaison (31), de sorte qu'ils sont aptes à être actionnés pratiquement ensemble, et la tringlerie de liaison (31) étant commandée par la tringlerie de raccordement (29).
  5. Plate-forme coulissante selon la revendication 3 ou 4,
    la tringlerie de raccordement (29) comporte un mécanisme de transformation de vitesse qui transforme la vitesse du mouvement relatif entre le mécanisme de blocage (28) et la plate-forme coulissante (20) de sorte qu'une distance d'actionnement jusqu'à la prise du parachute (26) de la plate-forme coulissante (20) et du système de frein de parachute (48) de la cabine avec le rail de guidage (23) est raccourcie.
  6. Plate-forme coulissante selon l'une des revendications 3 à 5,
    la tringlerie de raccordement (29) étant maintenue à l'aide d'un ressort de rappel (30) dans une position d'attente, la position d'attente de la tringlerie de raccordement (29) correspondant à la position de repos du parachute (26).
  7. Plate-forme coulissante selon l'une des revendications 3 à 6,
    la tringlerie de raccordement (29) comportant un réglage de course (36), et ce réglage de course (36) pouvant régler la position de repos du parachute (26), de sorte qu'au besoin, une distance d'actionnement nécessaire de la position de repos du parachute (26) jusqu'à la prise du parachute (26) avec le rail de guidage (23) peut être préréglée.
  8. Plate-forme coulissante selon l'une des revendications 2 à 7,
    le mécanisme de blocage (28) étant apte à être manoeuvré, de sorte qu'une fonction de blocage peut être au moins temporairement interrompue.
  9. Plate-forme coulissante selon l'une des revendications 2 à 8,
    le composant de sécurité (27) étant constitué par un câble de sécurité (27a) qui s'étend sur au moins la distance de coulissement (S) de la plate-forme coulissante (20), et le mécanisme de blocage (28) étant conçu comme un mécanisme de blocage de câble de sécurité qui entoure le câble de sécurité (27a), ou le composant de sécurité (27) étant constitué par le rail de guidage (23), qui est utilisé en même temps pour le guidage de la plate-forme coulissante (20), et le mécanisme de blocage (28) étant conçu pour coopérer avec une aile du rail de guidage (23).
  10. Plate-forme coulissante selon l'une des revendications 3 à 9,
    la protection contre les chutes (25) étant pourvue d'un dispositif d'avertissement (37) qui indique une position de repos ou d'attente de la tringlerie de raccordement (29).
  11. Plate-forme coulissante selon l'une des revendications 1 à 10,
    la plate-forme coulissante (20) comportant des dispositifs de pose (38) à l'aide desquels la plate-forme coulissante (20) peut être immobilisée dans la gaine (3) à des endroits prédéfinis, ladite plate-forme coulissante (20) comportant au moins un entraînement d'ascenseur (39) qui est utilisé pour entraîner un ascenseur avec au moins une cabine (43), et
    la protection contre les chutes (25) protégeant contre les chutes la plate-forme coulissante (20) avec l'entraînement d'ascenseur (39), au moins lors du coulissement de ladite plate-forme coulissante (20) d'une position d'utilisation temporaire basse (3u) jusqu'à une position d'utilisation haute (3o).
  12. Procédé pour protéger une plate-forme coulissante (20) dans une gaine (3) d'une installation d'ascenseur, la plate-forme coulissante (20) étant disposée pour pouvoir coulisser à la verticale le long d'un rail de guidage (23), et une cabine (43) pouvant être suspendue au moins temporairement à ladite plate-forme coulissante (20) par l'intermédiaire d'un point de suspension, de sorte que la plate-forme (20) est apte à coulisser avec la cabine (43) suspendue, le procédé comportant les étapes qui consistent à :
    - disposer un composant de sécurité (27) dans la gaine (3) de l'installation d'ascenseur de telle sorte que ledit composant de sécurité (27) s'étende au moins sur une distance de coulissement (S) prévue de la plate-forme coulissante (20),
    - accoupler au composant de sécurité (27) un mécanisme de blocage (28) disposé sur la plate-forme coulissante (20), lequel mécanisme de blocage (28) est relié à un parachute (26) de ladite plate-forme coulissante (20),
    - régler le mécanisme de blocage (28) de telle sorte qu'un mouvement montant dudit mécanisme de blocage (28) le long du composant de sécurité (27) soit possible et qu'un mouvement descendant dudit mécanisme de blocage (28) le long du composant de sécurité (27) soit bloqué,
    - relier un système de frein de parachute (48) de la cabine au mécanisme de blocage (28) de telle sorte que ledit système de frein de parachute (48) de la cabine (43) puisse être mis en prise avec le rail de guidage (23) pratiquement en même temps que ou légèrement avant le parachute (26) disposé sur ladite plate-forme coulissante (20),
    - actionner le système de frein de parachute (48) de la cabine (43) et le parachute (26) de la plate-forme coulissante (20) comme conséquence d'un mouvement relatif entre le mécanisme de blocage (28) et la plate-forme coulissante (20), grâce au fait que le système de frein de parachute (48) et le parachute (26), à partir d'une position de repos, sont mis en prise avec le rail de guidage (23) par le mouvement relatif du mécanisme de blocage (28).
  13. Procédé selon la revendication 12, comportant l'étape supplémentaire qui consiste à :
    - désactiver manuellement une fonction de blocage du mécanisme de blocage (28) ou la liaison de celui-ci avec le système de frein de parachute (48) et avec le parachute (26), de telle sorte que la plate-forme coulissante (20) puisse être abaissée au moins d'une distance de pose prédéfinie, sans mettre le système de frein de parachute (48) ou le parachute (26) en prise avec le rail de guidage (23).
EP14734177.0A 2013-07-10 2014-07-02 Sécurité contre les chutes pour une plate-forme Active EP3019428B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL14734177T PL3019428T3 (pl) 2013-07-10 2014-07-02 Zabezpieczenie przed swobodnym spadkiem dla platformy
EP14734177.0A EP3019428B1 (fr) 2013-07-10 2014-07-02 Sécurité contre les chutes pour une plate-forme

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13175972 2013-07-10
PCT/EP2014/064028 WO2015003964A1 (fr) 2013-07-10 2014-07-02 Dispositif antichute pour plate-forme
EP14734177.0A EP3019428B1 (fr) 2013-07-10 2014-07-02 Sécurité contre les chutes pour une plate-forme

Publications (2)

Publication Number Publication Date
EP3019428A1 EP3019428A1 (fr) 2016-05-18
EP3019428B1 true EP3019428B1 (fr) 2017-04-19

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US (1) US10183838B2 (fr)
EP (1) EP3019428B1 (fr)
CN (1) CN105377738B (fr)
AU (1) AU2014289444B2 (fr)
CA (1) CA2916436C (fr)
ES (1) ES2625760T3 (fr)
HK (1) HK1219715A1 (fr)
MY (1) MY183376A (fr)
PH (1) PH12015502857A1 (fr)
PL (1) PL3019428T3 (fr)
PT (1) PT3019428T (fr)
RU (1) RU2652340C2 (fr)
SG (1) SG11201510711RA (fr)
WO (1) WO2015003964A1 (fr)

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US11787663B1 (en) 2022-05-05 2023-10-17 Otis Elevator Company Elevator car with electronic safety actuator

Also Published As

Publication number Publication date
AU2014289444B2 (en) 2017-05-11
EP3019428A1 (fr) 2016-05-18
SG11201510711RA (en) 2016-01-28
CA2916436A1 (fr) 2015-01-15
CA2916436C (fr) 2021-05-18
RU2016104170A (ru) 2017-08-15
PL3019428T3 (pl) 2017-10-31
CN105377738B (zh) 2017-06-23
AU2014289444A1 (en) 2016-02-04
US20160152442A1 (en) 2016-06-02
PH12015502857B1 (en) 2016-03-28
WO2015003964A1 (fr) 2015-01-15
PH12015502857A1 (en) 2016-03-28
RU2652340C2 (ru) 2018-04-25
ES2625760T3 (es) 2017-07-20
HK1219715A1 (zh) 2017-04-13
PT3019428T (pt) 2017-07-14
RU2016104170A3 (fr) 2018-03-13
CN105377738A (zh) 2016-03-02
MY183376A (en) 2021-02-18
US10183838B2 (en) 2019-01-22

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