EP3019428B1 - Fall protection device for a platform - Google Patents
Fall protection device for a platform Download PDFInfo
- 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.)
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- 238000000034 method Methods 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 3
- 238000010276 construction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 241001295925 Gegenes Species 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- 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
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- 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
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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Description
Die Erfindung betrifft eine verschiebbare Plattform in einer Aufzugsanlage mit einer Absturzsicherung und ein Verfahren zum Sichern einer verschiebbaren Plattform in einer Aufzugsanlage.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.
Die Aufzugsanlage ist in der Regel in einem Gebäude eingebaut. Das Gebäude beinhaltet dazu einen Schacht, der sich über mehrere Etagen des Gebäudes erstreckt. Die Aufzugsanlage beinhaltet zumindest eine Aufzugskabine. Die Aufzugskabine wird mittels eines Antriebs entlang von im Wesentlichen vertikalen Führungsschienen im Schacht verfahren. Bei hohen Gebäuden werden untere Bereiche des Gebäudes bereits mit Aufzügen ausgerüstet, während obere Bereiche des Gebäudes noch im Bau sind. Dabei werden spezielle, sogenannte mitwachsende Aufzüge verwendet. Dies bedeutet, dass während der Bauzeit des Gebäudes ein Maschinenraum der Aufzugsanlage von einer unteren temporären Einsatzposition zu einer nächsten oberen Einsatzposition verschoben wird. Der Maschinenraum ist als verschiebbare Plattform gestaltet. Hierbei ist es besonders wichtig, dass der verschiebbare Maschinenraum beziehungsweise die verschiebbare Plattform während des Verschiebens sicher ist und nicht abstürzen kann.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. For tall buildings, 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.
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From the publication
Die Erfindung bezweckt die Bereitstellung einer alternativen Absturzsicherung an einer verschiebbaren Plattform einer Aufzugsanlage, beziehungsweise eines entsprechenden Verfahrens zum Sichern einer verschiebbaren Plattform, in einem Schacht einer Aufzugsanlage. Die Absturzsicherung soll einfach handhabbar und sicher sein.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.
Die verschiebbare Plattform ist im Schacht der Aufzugsanlage eingebaut und sie ist in der Regel mittels Absetzeinrichtungen wie Stützen oder Auflagen an einer Wand des Schachts oder in Ausnehmungen in der Wand des Schachts abgestützt und gehalten. Die verschiebbare Plattform beinhaltet beispielsweise eine Maschinenraumausrüstung beziehungsweise die verschiebbare Plattform bildet den Maschinenraum. Die verschiebbare Plattform kann natürlich auch zur Aufnahme oder zum Transport von anderen Aufzugskomponenten verwendet werden. Oberhalb der verschiebbaren Plattform, am Ende des jeweiligen Bauabschnitts, befindet sich in der Regel zumindest ein Abschlussdach. Oberhalb des Abschlussdachs kann das Gebäude weitergebaut werden, während unterhalb der verschiebbaren Plattform ein Aufzug bereits in Betrieb ist. Die verschiebbare Plattform ist vorzugsweise entlang von vertikal ausgerichteten Führungsschienen geführt. Diese Führungsschienen sind im Schacht befestigt und sie sind zur Führung einer Aufzugskabine des Aufzugs vorgesehen.The sliding platform is installed in the shaft of the elevator installation and it is usually supported and held by means of Absetzzeinrichtungen 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.
Sobald ein nächsthöherer Fahrbereich im Gebäude fertiggebaut ist, können die Führungsschienen anschliessend an die bereits installierten Führungsschienen im Schacht eingebaut werden. Weitere Aufzugskomponenten wie Schachttüren, Informationsgeber, elektrische Verdrahtung, usw. können montiert werden. Wenn der nächsthöhere Fahrbereich bereit ist, kann die verschiebbare Plattform verschoben werden, damit auch dieser nächsthöhere Fahrbereich beziehungsweise ein entsprechender Gebäudeteil vom Aufzug erschlossen werden kann. Da das Gebäude von unten nach oben gebaut wird, wird die verschiebbare Plattform somit in der Regel von einer unteren temporären Einsatzposition zu einer oberen Einsatzposition verschoben. Das Verschieben der verschiebbaren Plattform zu der oberen Einsatzposition erfolgt in der Regel mittels Hebemittel beispielsweise mittels Kettenzug, Kran, Zugwinde, hydraulischem Heber oder Litzenheber. Bis zum Erreichen einer obersten Einsatzposition beziehungsweise der endgültigen Einsatzposition kann natürlich die verschiebbare Plattform beziehungsweise der verschiebbare Maschinenraum mehrmals nach oben verschoben werden. Das Hebemittel zum Verschieben der verschiebbaren Plattform kann direkt an der verschiebbaren Plattform angreifen oder es kann über Umlenkungen oder über Umhängungen, ähnlich einem Flaschenzug, an der verschiebbaren Plattform angreifen.As soon as a next higher driving area is completed in the building, 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. If the next higher driving range is ready, 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. As the building is built from bottom to top, 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. Of course, 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.
Vorschlagsgemäss ist die verschiebbare Plattform mit einer Absturzsicherung ausgerüstet. Die Absturzsicherung beinhaltet einerseits eine Fangvorrichtung, welche an der verschiebbaren Plattform angeordnet ist und welche im Bedarfsfall, beispielsweise mittels einer Betätigungseinrichtung, in Eingriff mit der Führungsschiene bringbar ist. Entlang eines Verschiebewegs der verschiebbaren Plattform ist vorzugsweise ein Sicherheitsbauteil angeordnet. Ein an der verschiebbaren Plattform angeordnetes Gesperre ist dabei vorzugsweise im Eingriff mit dem Sicherheitsbauteil, und das Gesperre ist zumindest mittelbar mit der Fangvorrichtung verbunden. Das Gesperre ist ausgeführt, dass es eine Abwärtsbewegung des Gesperres entlang dem Sicherheitsbauteil sperrt oder zumindest sperren kann. Dadurch erfolgt bei einer allfälligen Abwärtsbewegung der verschiebbaren Plattform eine entsprechende Sperrung des Gesperres auf dem Sicherheitsbauteil. Als Folge davon entsteht eine Relativbewegung des Gesperres zur verschiebbaren Plattform. Das Gesperre ist hierbei derart mit der Fangvorrichtung verbunden, dass es bei der Relativbewegung des Gesperres zur verschiebbaren Plattform die Fangvorrichtung von einer Ruhelage in Eingriff mit der Führungsschiene bringt. Das Gesperre bildet zusammen mit dem Sicherheitsbauteil die Betätigungseinrichtung.According to the proposal, 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. Along a displacement path of the displaceable platform, a safety component is preferably arranged. 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. As a result, a relative movement of the locking mechanism to the movable platform. 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.
Damit kann die verschiebbare Plattform aufwärts verschoben werden, und bei einer unbeabsichtigten Abwärtsbewegung der verschiebbaren Plattform wird schnell und direkt die Fangvorrichtung an der verschiebbaren Plattform betätigt. Die verschiebbare Plattform wird so an den Führungsschienen gebremst oder gestoppt. Dabei können bekannte Fangvorrichtungen, wie sie auch zum Bremsen von Aufzugskabinen benutzt werden, verwendet werden.Thus, 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. In this case, known safety devices, such as those used for braking elevator cars, can be used.
Vorzugsweise weist die verschiebbare Plattform zumindest einen Anhängepunkt mit entsprechenden Anhängemitteln auf, an denen die Kabine im Bedarfsfall angehängt werden kann, sodass die verschiebbare Plattform zusammen mit der angehängten Kabine verschiebbar ist. Vorzugsweise ist weiter ein Zwischengestänge vorgesehen, welches ein ohnehin vorhandenes Fangbremssystem der Kabine mit dem Anschlussgestänge der Absturzsicherung verbindet. Damit ist das Fangbremssystem der Kabine im Wesentlichen gleichzeitig mit oder sogar geringfügig vor der an der verschiebbaren Plattform angeordneten Fangvorrichtung betätigbar beziehungsweise zum Eingriff mit der Führungsschiene bringbar. Dies ist vorteilhaft, da damit die Fangvorrichtung der verschiebbaren Plattform beziehungsweise des Maschinenraums entlastet werden kann.Preferably, 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. Preferably, an intermediate linkage is provided, which connects an already existing Fangbremssystem the car with the connection rod of the fall protection. Thus, 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.
Vorzugsweise ist die verschiebbare Plattform entlang von parallel zueinander verlaufenden Führungsschienen vertikal verschiebbar angeordnet, und die verschiebbare Plattform beinhaltet zumindest zwei Fangvorrichtungen. Jeweils eine der Fangvorrichtungen wirkt mit einer der parallel verlaufenden Führungsschienen zusammen. Das Gesperre wirkt vorteilhafterweise über ein Anschlussgestänge auf die mindestens zwei Fangvorrichtungen ein. Damit wird die verschiebbare Plattform bei einem Fangvorgang, beziehungsweise bei einem Bremsen durch die Absturzsicherung, symmetrisch belastet, und Kippmomente können gering gehalten werden. Selbstverständlich können bei schweren verschiebbaren Plattformen auch mehrere Paare von Fangvorrichtungen über das Anschlussgestänge zusammengeschaltet werden. Es können auch mehrere Führungsschienen mit mehreren Paaren von Fangvorrichtungen verwendet werden. So können beispielsweise Führungsschienen, welche zur späteren Führung der Aufzugskabine vorgesehen sind sowie Führungsschienen, welche zur späteren Führung eines Gegengewichts vorgesehen sind, verwendet werden, um die verschiebbare Plattform zu führen und zu sichern. Die mehreren Fangvorrichtungen zur Sicherung der verschiebbaren Plattform können dabei auf die mehreren Führungsschienen verteilt werden. Die mehreren Fangvorrichtungen werden dann über das Anschlussgestänge zusammengeschaltet, sodass sie synchron betätigt werden.Preferably, the displaceable platform is arranged vertically displaceable along mutually parallel guide rails, and the displaceable platform includes at least two safety gears. In each case 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. Thus, the sliding platform is symmetrically loaded during a catching process, or during braking by the fall protection, and tilting moments can be kept low. Of course, in heavy sliding platforms, 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. Thus, for example, 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.
Vorzugsweise sind die mindestens zwei Fangvorrichtungen mittels eines Verbindungsgestänges miteinander verbunden, sodass sie im Wesentlichen miteinander betätigbar sind. Das Verbindungsgestänge ist seinerseits vom Anschlussgestänge gesteuert. Gesteuert bestimmt in diesem Zusammenhang, dass das Anschlussgestänge derart mit dem Verbindungsgestänge gekoppelt ist, sodass eine Betätigung des Anschlussgestänges auf das Verbindungsgestänge übertragen wird. Alternativ ist natürlich auch eine Verbindung der mindestens zwei Fangvorrichtungen mittels Kabelzug oder allenfalls auch mittels eines elektrischen Auslösemittels möglich. Das Verbindungsgestänge ist jedoch günstig herzustellen und sie ist sicher im Gebrauch.Preferably, 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. Alternatively, of course, a connection of at least two safety gears by means of cable or possibly also by means of an electrical release means possible. However, the connecting rod is inexpensive to manufacture and it is safe in use.
Vorzugsweise weist das Anschlussgestänge eine Übersetzung auf, welche die Relativbewegung zwischen Gesperre und verschiebbarer Plattform übersetzt, sodass ein Betätigungsweg bis zum Eingriff der Fangvorrichtung mit der Führungsschiene verkürzt wird. Dies ist vorteilhaft, da damit ein Fallweg bis zu einem allfälligen Stillstand der verschiebbaren Plattform gering gehalten werden kann.Preferably, 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.
Vorzugsweise ist das Anschlussgestänge mittels einer Rückstellfeder in einer Standby-Lage gehalten. Die Standby-Lage des Anschlussgestänges entspricht der Ruhelage der Fangvorrichtung, das heisst, die verschiebbare Plattform ist frei aufwärtsbewegbar und die Fangvorrichtung ist nicht im Eingriff mit der Führungsschiene. Dies ist vorteilhaft, da dadurch die verschiebbare Plattform nicht wegen kleiner Schwingungen blockiert wird.Preferably, 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.
Vorzugsweise beinhaltet das Anschlussgestänge eine Hubverstellung, und diese Hubverstellung kann die Ruhelage der Fangvorrichtung verstellen. Bedarfsweise kann damit ein erforderlicher Betätigungsweg von der Ruhelage der Fangvorrichtung bis zum Eingriff der Fangvorrichtung mit der Führungsschiene voreingestellt werden. Dies ist vorteilhaft, da damit selektiv eine Ansprechempfindlichkeit der Absturzsicherung eingestellt werden kann. So kann beispielsweise bei einer Feinpositionierung in der oberen Einsatzposition die Hubverstellung auf grob gestellt sein, um eine geringfügige Absenkung der verschiebbare Plattform zu ermöglichen, während beim Verschieben der verschiebbaren Plattform die Hubverstellung auf empfindlich gestellt sein kann. Damit wird ein allfälliges Abrutschen der verschiebbaren Plattform schnell gestoppt. Hubverstellung auf grob bedeutet hierbei, dass ein längerer Betätigungsweg von der Ruhelage der Fangvorrichtung bis zum Eingriff der Fangvorrichtung mit der Führungsschiene eingestellt ist. Hubverstellung auf empfindlich bedeutet hierbei, dass ein kurzer Betätigungsweg von der Ruhelage der Fangvorrichtung bis zum Eingriff der Fangvorrichtung mit der Führungsschiene eingestellt ist. Die Hubverstellung kann beispielsweise eine Exzenterscheibe beinhalten, mit welcher durch Verdrehen der Betätigungsweg einstellt wird.Preferably, the connecting rod includes a stroke adjustment, and this stroke adjustment can adjust the rest position of the safety gear. If necessary, so that 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. This is advantageous because it can selectively set a sensitivity of the fall protection. Thus, for example, in a fine positioning in the upper operating position, 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. On 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.
Vorzugsweise ist das Gesperre schaltbar ausgeführt, sodass zumindest temporär eine Sperrfunktion ausgeschaltet werden kann. Dies ist vorteilhaft, da damit ein Zurückfahren der verschiebbaren Plattform nach unten ermöglicht ist. Das temporäre Ausschalten bedingt dabei beispielsweise einen dauernden manuellen Eingriff, sodass bei einem Fehler, alleine durch Entfall des manuellen Eingriffs das Gesperre wieder sperren kann.Preferably, the locking is made switchable, so at least temporarily a lock function can be turned off. This is advantageous because it allows a retraction of the sliding platform down. For example, 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.
Vorzugsweise ist das Sicherheitsbauteil ein Sicherheitsseil, welches mindestens entlang des Verschiebewegs der verschiebbaren Plattform verläuft, und das Gesperre ist als Seilsicherungsgesperre ausgeführt. Das Sicherheitsseil ist durch das Gesperre geführt beziehungsweise das Gesperre umgreift das Sicherheitsseil. Seilsicherungsgesperre sind vielfach erprobt und sie sind kostengünstig erhältlich. Das Sicherheitsseil kann sich dabei vom Boden des Schachts bis zur jeweils obersten Einsatzposition erstrecken oder es kann jeweils nur entlang des erforderlichen Verschiebewegs der verschiebbaren Plattform gespannt sein.Preferably, 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. Reinsicherungsgesperre 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.
Alternativ ist die Führungsschiene gleichzeitig das Sicherheitsbauteil. Das Gesperre ist dabei ausgebildet, um mit einem Steg der Führungsschiene zusammenzuwirken. Dies ist besonders kostengünstig, da die ohnehin vorhandene Führungsschiene zugleich das Sicherheitsbauteil ist.Alternatively, 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.
Vorzugsweise ist die Absturzsicherung mit einer Warneinrichtung versehen, welche eine Ruhe- oder Standby-Lage des Anschlussgestänges oder der Fangvorrichtung erkennbar macht. Die Warneinrichtung kann ein Schalter sein, der entsprechende Kontrollanzeigen oder Signalleuchten ansteuert, oder sie kann beispielsweise auch eine mechanische Schaltfahne sein, die beispielsweise die Lage des Anschlussgestänges anzeigt. Die Verwendung einer Warneinrichtung ist vorteilhaft, da damit eine Sperrung des Gesperres beziehungsweise eine Absenkung der verschiebbaren Plattform auch optisch schnell angezeigt oder festgestellt werden kann. Dies erhöht die Sicherheit. Bei Verwendung eines Schalters mit entsprechender Kontrollanzeige oder Signalleuchte kann die Schaltung mit einem Energiespeicher oder mit einer Batterie während der Zeit des Verschiebens der verschiebbaren Plattform betrieben werden.Preferably, 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. When using a switch with appropriate control indicator or signal light, the circuit can be operated with an energy storage or with a battery during the time of moving the sliding platform.
Vorzugsweise beinhaltet die verschiebbare Plattform Absetzeinrichtungen, mittels derer die verschiebbare Plattform an vorbestimmten Stellen im Schacht festgesetzt werden kann. Die Absetzeinrichtungen sind beispielsweise Stützen oder Kragarme der verschiebbaren Plattform, welche ausfahrbar sind und welche beispielsweise an der Wand des Schachts oder in Ausnehmungen in der Wand des Schachts abgestützt werden können. Vorzugsweise beinhaltet die verschiebbare Plattform zumindest einen Aufzugsantrieb, der zum Antreiben des Aufzugs mit der mindestens einen Kabine benutzt ist. Die verschiebbare Plattform ist als Maschinenraum benutzt. Zumindest beim Verschieben der verschiebbaren Plattform von der unteren temporären Einsatzposition zu der oberen Einsatzposition, sichert die Absturzsicherung diese verschiebbare Plattform mit dem Aufzugsantrieb gegen Absturz. Dies ist selbstsprechend vorteilhaft, da einem Absturz des Aufzugsantriebs und allfälligen hohen Folgekosten vorgebeugt werden kann.Preferably, 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. Preferably, 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.
Es ist im Besonderen ein Verfahren zum Sichern einer verschiebbaren Plattform in einem Schacht einer Aufzugsanlage vorgeschlagen. Die verschiebbare Plattform ist hierbei entlang der Führungsschiene vertikal verschiebbar angeordnet. Das Verfahren beinhaltet im Besonderen die Schritte:
- Anordnen eines Sicherheitsbauteils im Schacht der Aufzugsanlage, sodass sich das Sicherheitsbauteil zumindest entlang eines vorgesehenen Verschiebewegs der verschiebbaren Plattform erstreckt,
- Koppeln eines an der verschiebbaren Plattform angeordneten Gesperres an das Sicherheitsbauteil, welches Gesperre mit einer Fangvorrichtung der verschiebbaren Plattform verbunden ist,
- Einstellen des Gesperres, dass eine Aufwärtsbewegung des Gesperres entlang des Sicherheitsbauteils ermöglicht ist und eine Abwärtsbewegung des Gesperres entlang des Sicherheitsbauteils gesperrt ist, und
- Betätigen der Fangvorrichtung der verschiebbaren Plattform, als Folge einer Relativbewegung zwischen dem Gesperre und der verschiebbaren Plattform, indem die Fangvorrichtung durch die Relativbewegung des Gesperres von einer Ruhelage in Eingriff mit der Führungsschiene gebracht wird.
- Arranging a safety component in the shaft of the elevator installation so that the safety component extends at least along a provided displacement path of the displaceable platform,
- Coupling a locking mechanism arranged on the displaceable platform to the security component, which locking mechanism is connected to a safety gear of the displaceable platform,
- Adjusting the locking mechanism so that an upward movement of the locking mechanism along the security component is enabled and a downward movement of the locking mechanism along the security component is blocked, and
- Actuating the safety gear of the sliding platform, as a result of relative movement between the locking mechanism and the sliding platform by the safety gear is brought by the relative movement of the locking mechanism from a rest position into engagement with the guide rail.
Vorzugsweise wird die Kabine der Aufzugsanlage beim Verschieben des auf der verschiebbaren Plattform angeordneten Maschinenraums der Aufzugsanlage von einer unteren temporären Einsatzposition zu einer nächsten oberen Einsatzposition temporär an die verschiebbare Plattform angehängt. Weiter wird vorzugsweise das Fangbremssystem der Kabine mit dem Gesperre der verbunden, so dass bei einer Betätigung des Gesperres das Fangbremssystem der Kabine zusammen mit der an der verschiebbaren Plattform angeordneten Fangvorrichtung betätigt wird.
Damit kann eine Leistungsanforderung an die Fangvorrichtung der verschiebbaren Plattform reduziert werden, da ein Gewicht der Kabine selbst schon durch das Fangbremssystem der Kabine übernommen wird.Preferably, 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. Further, 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.
Thus, a power requirement can be reduced to the safety gear of the sliding platform, since a weight of the car itself is already taken over by the Fangbremssystem the car.
Vorzugsweise ermöglicht das Verfahren ein manuelles Deaktivieren der Sperrfunktion des Gesperres oder dessen Verbindung mit der Fangvorrichtung, sodass die verschiebbare Plattform zumindest über einen vorbestimmten Absetzweg abgesenkt werden kann, ohne die Fangvorrichtung in Eingriff mit der Führungsschiene zu bringen.Preferably, 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.
In einer besonderen Ausgestaltung beinhaltet die Einrichtung eines verschiebbaren Maschinenraums ein mehrstufiges Verschiebe-, Transport- und Sicherungssystem. Dabei befindet sich zuoberst beziehungsweise am oberen Ende des jeweiligen Bauabschnitts ein Abschlussdach. Dieses Abschlussdach wird von einem Bauunternehmer bei Vollendung des jeweiligen Bauabschnitts am oberen Schachtende angebracht. Das Abschlussdach hat einerseits die Aufgabe den unteren Schachtbereich vom oberhalb des Abschlussdachs liegenden Baubereich zu trennen und die Aufzugsanlage, die im unteren Bereich des Gebäudes in Betrieb ist, zu schützen. Weiter beinhaltet es vorzugsweise Tragstrukturen oder Aufhängeösen beziehungsweise Aufhängepunkte. Unterhalb des Abschlussdachs befindet sich eine technische Hilfsbühne. Diese technische Hilfsbühne weist ein Traggerüst auf, welches, ähnlich der verschiebbaren Plattform, Auflagen oder Stützen aufweist, welche ein Auflegen der technischen Hilfsbühne in Ausnehmungen der Schachtwände ermöglicht. Das Traggerüst weist weiter Führungsrollen auf, welche die technische Hilfsbühne im Schacht, beispielsweise an Wänden des Schachts, führen können.In a particular embodiment, the establishment of a displaceable engine room includes a multi-stage shifting, transport and security system. 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. On the one hand, 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. Furthermore, it preferably includes support structures or suspension eyes or suspension points. Below the roof is a technical auxiliary platform. 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.
Die technische Hilfsbühne beinhaltet vorzugsweise ein erstes Hebemittel, beispielsweise eine Seilzugeinrichtung, welches vorgesehen ist, um in der Zusammenwirkung mit der Tragstruktur des Abschlussdachs, sich selbst und damit die technische Hilfsbühne im Schacht hochzuziehen. Weiter beinhaltet die technische Hilfsbühne vorzugsweise auch ein Seilgesperre, welches ein allfälliges Abrutschen der Hilfsbühne verhindern kann. Das Seilgesperre wirkt auf ein Seil, welches ebenfalls, in der Regel mittels einer Tragrolle, mit dem Abschlussdach verbunden ist. Nach einer Installation oder einem Verschieben des Abschlussdachs kann somit die technische Hilfsbühne angehoben und in der Nähe des Abschlussdachs im Schacht festgesetzt werden.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.
Die technische Hilfsbühne beinhaltet nun vorzugsweise weitere Tragpunkte oder befestigungspunkte, an denen eine Montagebühne oder andere Hilfshebezeuge aufgehängt werden können. Mittels der Montagebühne und allfälligen weiteren Hilfshebezeugen können die Führungsschienen anschliessend an die tiefer liegenden und bereits installierten Führungsschienen im Schacht eingebaut werden. Auch weiteres Schachtmaterial kann mittels der Montagebühne oder mittels anderer Hilfshebezeuge verbaut werden. Ein Betrieb der im unteren Schachtbereich verkehrenden Aufzugsanlage wird dabei nicht gestört. Vorzugsweise sind an der technischen Hilfsbühne Marken angebracht, welche als Richthilfen beim genauen Ausrichten der Führungsschienen verwendet werden können. Diese Marken können Richtmarken zur Befestigung von Lotschnüren oder zum Setzen von Laserinstrumenten oder Ähnlichem sein.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. By means of the assembly platform and any additional auxiliary hoists, the guide rails can then be installed in the shaft to the lower and already installed guide rails. Also 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. Preferably 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.
Die technische Hilfsbühne beinhaltet nun vorzugsweise weiter ein zweites Hebezeug, beispielsweise einen Kettenzug. Der Kettenzug ist ausgelegt, damit die verschiebbare Plattform beziehungsweise der Maschinenraum vorzugsweise zusammen mit der angehängten Kabine verschoben werden kann.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.
Die Verwendung einer derartigen technischen Hilfsbühne ist vorteilhaft, da:
- das Abschlussdach einfach gestaltet sein kann, weil es lediglich die Tragstruktur zum Verschieben der technischen Hilfsbühne beinhalten muss und da es lediglich ausgelegt sein muss, um die technische Hilfsbühne zu tragen,
- die technische Hilfsbühne Einrichtungen beinhalten oder tragen kann, die zum Installieren der Schachtausrüstung und zum Verschieben der verschiebbaren Plattform erforderlich sind, womit kein weiterer Platz auf der eigentlichen verschiebbaren Plattform benötigt wird,
- die technische Hilfsbühne nach Vollendung des Gebäudes entfernt und allenfalls in weiteren Gebäuden wieder verwendet werden kann.
- the roof can be designed simply because it only has to include the supporting structure for moving the technical auxiliary platform and because it only has to be designed to carry the technical auxiliary platform,
- the technical sub-platform can contain or carry facilities required to install the manhole equipment and move the sliding platform, thus requiring no further space on the actual sliding platform;
- the technical auxiliary platform can be removed after completion of the building and, if necessary, reused in other buildings.
Im Folgenden werden Ausführungen der Erfindung anhand von teilweise schematischen Figuren beispielhaft beschrieben. Gleichwirkende Teile sind in den Figuren mit gleichen Bezugszeichen versehen.
- Fig. 1
- zeigt einen schematischen Ausschnitt eines Aufzugs mit einer verschiebbaren Plattform in einer unteren temporären Einsatzposition,
- Fig. 2
- zeigt den Aufzug von
Figur 1 , in einer Bereitschaftsstellung zum Verschieben der verschiebbaren Plattform zu einer oberen Einsatzposition, - Fig. 3
- zeigt den Aufzug von
Figur 1 und 2 nach einem Verschieben der verschiebbaren Plattform zu einer oberen Einsatzposition, - Fig. 4
- zeigt eine verschiebbare Plattform mit einer Maschinenraumausrüstung,
- Fig. 5
- zeigt eine Absturzsicherung an einer verschiebbaren Plattform,
- Fig. 6
- zeigt ein Detail der Absturzsicherung von
Figur 5 . - Fig. 7
- zeigt eine schematische Gesamtansicht eines verschiebbaren Aufzugs in einer unteren temporären Einsatzposition,
- Fig. 8
- zeigt den verschiebbaren Aufzug von
Figur 7 beim Ausrüsten eines oberen Fahrbereichs des Aufzugs, - Fig. 9
- zeigt den verschiebbaren Aufzug der
Figuren 7 und 8 beim Verschieben zu der oberen Einsatzposition, und - Fig. 10
- zeigt eine technische Hilfsbühne, welche zum Verschieben der verschiebbaren Plattform verwendet ist.
- Fig. 1
- shows a schematic section of an elevator with a sliding platform in a lower temporary use position,
- Fig. 2
- shows the elevator from
FIG. 1 in a ready position for shifting the sliding platform to an upper deployed position, - Fig. 3
- shows the elevator from
FIGS. 1 and 2 after shifting the sliding platform to an upper deployed position, - Fig. 4
- shows a sliding platform with engine room equipment,
- Fig. 5
- shows a fall protection on a sliding platform,
- Fig. 6
- shows a detail of the fall protection of
FIG. 5 , - Fig. 7
- shows a schematic overall view of a sliding elevator in a lower temporary use position,
- Fig. 8
- shows the sliding elevator of
FIG. 7 when equipping an upper travel range of the elevator, - Fig. 9
- shows the sliding elevator of the
FIGS. 7 and 8 when moving to the upper deployment position, and - Fig. 10
- shows a technical auxiliary platform, which is used to move the sliding platform.
In
Die verschiebbare Plattform 20 enthält die für den Betrieb der Aufzugsanlage erforderlichen wesentlichen Aufzugskomponenten, soweit sie üblicherweise im Maschinenraum angeordnet sind. Die Aufzugsanlage kann somit im unteren Bereich 3u des Schachts 3 betrieben werden. Die in
Die Aufzugskabine 43 beinhaltet natürlich ein eigenes Fangbrems- oder Fangbremssystem 48, welches die Aufzugskabine 43 in bekannter Art und Weise bei Übergeschwindigkeit fängt oder stoppt. Auch die verschiebbare Plattform 20 ist mit einer Absturzsicherung 25 ausgestattet. In
In
In
Die Aufzugskabine 43 wird mittels Anhängemittel 45, im Beispiel mittels Tragstangen, an die verschiebbare Plattform 20 angehängt. Die verschiebbare Plattform ist dazu mit entsprechenden Anhängepunkten versehen. Ein allfälliges Gegengewicht (nicht dargestellt) ist am unteren Ende des Schachts 3 festgesetzt. Die Tragmittel 44 können je nach Art der Aufhängung gelöst oder zumindest in einem der Tragmittelbefestigungspunkte entlastet werden und sie können beim folgenden Hochziehen der verschiebbaren Plattform 20 oder in einem späteren Arbeitsschritt einfach nach- oder mitgezogen werden. Mittels eines Hebemittels 62, welches an einem Aufhängepunkt 22 der verschiebbaren Plattform 20 eingehängt wird, kann nun die verschiebbare Plattform 20 beziehungsweise der gesamte Maschinenraum zusammen mit der Aufzugskabine 43 angehoben und bis zu einer oberen Einsatzposition P2 verfahren werden. Die obere Einsatzposition P2 ist derart bestimmt, dass ein nächsthöherer Fahrbereich im Gebäude bedient werden kann. Zum Verschieben der verschiebbaren Plattform 20 wird natürlich die Absetzeinrichtung 38 der verschiebbaren Plattform 20 gelöst oder eingezogen, sodass sie das Verschieben der verschiebbaren Plattform 20 nicht behindert. Während des Anhebens und Verfahrens ist die verschiebbare Plattform 20 mittels der Absturzsicherung 25 gegen unerwartete Abwärtsbewegung gesichert. Die Absturzsicherung 25 der verschiebbaren Plattform 20 ist hierbei mittels eines Zwischengestänges 46 mit dem Fangbremssystem 48 der Aufzugskabine 43 gekoppelt. So werden bei einem allfälligen Abrutschen der verschiebbaren Plattform 20 mit angehängter Kabine 43 direkt die Absturzsicherung 25 der verschiebbaren Plattform 20 und das Fangbremssystem 48 der Aufzugskabine zur Wirkung gebracht. Das Fangbremssystem 48 der Aufzugskabine 43 wirkt so als Bestandteil der Absturzsicherung.The
Sobald die obere Einsatzposition P2, wie in
In
Die Absturzsicherung 25 der verschiebbaren Plattform 20 ist weitgehend in die Tragstruktur 21 integriert. Dazu sind in der Tragstruktur im vorliegenden Beispiel zwei Paar Fangvorrichtungen 26 integriert, welche mit der Führungsschiene 23 zusammen die verschiebbare Plattform, 20 mit den zugehörigen Lasten stoppen und halten können. Die Fangvorrichtungen 26 sind, wie im Detail in den
Das Gesperre 28 steuert über das Anschlussgestänge 29 die Fangvorrichtung 26 und im Regelfall, über das Zwischengestänge 46 auch das Fangbremssystem 48 der Aufzugskabine 43. In
In der Ausführung gemäss
Weiter beinhaltet das Anschlussgestänge 29 eine Hubverstellung 36. Dies ist eine Exzenterscheibe, mittels der die Parallelhebel 29.2 so verschoben werden können, dass die Fangvorrichtungen 26 bereits aus ihrer Standby-Lage gehoben werden. Damit kann eine Ansprechempfindlichkeit der Absturzsicherung eingestellt werden, da ein verbleibender Betätigungsweg bei einer erforderlichen Betätigung verkürzt werden kann. Weiter ist am Anschlussgestänge 29 ein elektrischer Kontakt 37.1 angeordnet, der bei Betätigung der Parallelhebel 29.2 - und somit einer entsprechenden Betätigung der Fang- und Bremssysteme - eine Warneinrichtung 37, beispielsweise eine Warnleuchte beziehungsweise ein Drehlicht, schaltet. Zur Energieversorgung ist ein Akkumulator oder eine Batterie auf der verschiebbaren Plattform mitgeführt.Further, the connecting
Anhand der
Die technische Hilfsbühne 50 ist im Detail in
Die technische Hilfsbühne 50 wird jeweils im obersten Bereich, nahe beim Abschlussdach, festgesetzt. Sie beinhaltet Hilfsmittel, die ein Verschieben der technischen Hilfsbühne selbst sowie ein späteres Anheben der verschiebbaren Plattform 20 ermöglichen. Weiter beinhaltet die technische Hilfsbühne 50 weitere Tragpunkte, die verwendet werden, um den Schacht mit Schachtmaterial, welches zum Betrieb der Aufzugsanlage erforderlich ist, zu komplettieren. Auf der technischen Hilfsbühne 50 ist ein erstes Hebemittel 56 in der Ausgestaltung einer Seilzugeinrichtung angeordnet. Das erste Hebemittel 56 wirkt auf ein Seil 57 ein. Das Seil 57 ist an einem Ende an der technischen Hilfsbühne befestigt, ist über eine Tragrolle 67 geführt, welche in der im Abschlussdach 70 verankerten Hängevorrichtung 66 angeordnet ist, und ist zum ersten Hebemittel 56 beziehungsweise durch Antriebselemente des ersten Hebemittel 56 geführt. Das erste Hebemittel 56 zieht somit sich selbst und damit die gesamte technische Hilfsbühne 50 am Seil 57 aufwärts. Weiter ist auf der technischen Hilfsbühne 50 auch ein Hilfsgesperre 58 angeordnet, welches ein allfälliges Abrutschen der Hilfsbühne verhindert. Das Hilfsgesperre 58 wirkt auf ein weiteres Seil 59, welches ebenfalls über eine Tragrolle 68 mit dem Abschlussdach 70 verbunden und mit einem Ende an der technischen Hilfsbühne 50 fixiert ist. Das Hilfsgesperre 58 ist zusammen mit dem weiteren Seil 59 ausgelegt, die technische Hilfsbühne 50 halten zu können. Weiter sind Seilhaspel 60 vorgesehen, die zum Aufrollen der Seile 57, 59 dienen, wenn die technische Hilfsbühne mittels der Stützen 53 festgesetzt ist. Die Aufhängungen und die Anordnung der Führungen 52 sind so gewählt, dass die technische Hilfsbühne 50 in etwa waagrecht verfahren werden kann.The technical
Die technische Hilfsbühne 50 beinhaltet weitere Tragpunkte 55 an denen eine Montagebühne 71 (siehe
In
An der technischen Hilfsbühne 50 wird nun die Montagebühne 71 mittels zugehöriger Tragmittel 72 angehängt. Mittels der Montagebühne 71 und allfälligen weiteren Hilfshebezeugen können nun die Führungsschienen 23, anschliessend an die tiefer liegenden, bereits installierten Führungsschienen, im Schacht eingebaut werden. Auch weiteres Schachtmaterial kann verbaut werden. Ein Betrieb der im unteren Schachtbereich 3u verkehrenden Aufzugsanlage wird bei diesen Tätigkeiten nicht gestört. An der technischen Hilfsbühne sind Marken angebracht (nicht gezeigt), welche als Richthilfen beim genauen Ausrichten der Führungsschienen 23 verwendet werden können.At the technical
Nach Abschluss der Installationsarbeiten im entsprechenden Schachtbereich kann die Montagebühne 71 entfernt werden oder sie kann auch auf dem Schutzdach 41 der verschiebbaren Plattform parkiert werden. Wie in
Der Fachmann erkennt weitergehende Ausführungen. So kann er anstelle des gezeigten Kettenzugs auch hydraulische Heber oder Zugeinrichtungen verwendenThe person skilled in the art will recognize further explanations. He can also use hydraulic lifters or drawbars instead of the chain hoist shown
Claims (13)
- Displaceable platform (20) in a shaft (3) of a lift installation with a fall prevention device (25), wherein
the shaft (3) includes at least one guide rail (23) and the displaceable platform (20) is arranged to be vertically displaceable along the guide rail (23), and
the displaceable platform (20) includes at least one suspension point at which a cage (43) can be suspended so that the displaceable platform (20) is displaceable together with the suspended cage (43), and
the fall-prevention device (25) comprises at least one arresting device (26), which is arranged at the displaceable platform (20) and which can be brought into engagement with the guide rail (23),
characterised in that the fall-prevention device (25) additionally includes an intermediate linkage (46), which can connect a safety brake system (48) of the cage with a coupling linkage (29) of the displaceable platform (20) so that the safety brake system (48) of the cage (43) can be brought into engagement with the guide rail (23) substantially simultaneously with or slightly before the arresting device (26) arranged at the displaceable platform (20). - Displaceable platform (20) according to claim 1, wherein the fall-prevention device (25) further comprises:- a safety component (27) arranged along a displacement path (S) of the displaceable platform (20) and- a locking mechanism (28), which is arranged at the displaceable platform (20) and which is engaged with the safety component (27) and connected at least indirectly with the arresting device (26),wherein the locking mechanism (28) blocks or at least can block a downward movement along the safety component (27), wherein when downward movement of the displaceable platform (20) and corresponding locking of the locking mechanism (28) occur a relative movement of the locking mechanism (28) with respect to the displaceable platform (20) takes place and
wherein the locking mechanism (28) is so connected with the arresting device (26) that it brings the arresting device (26) from a rest position into engagement with the guide rail (23) when relative movement of the locking mechanism (28) with respect to the displaceable platform (20) occurs. - Displaceable platform according to claim 2,- wherein the displaceable platform (20) is arranged to be vertically displaceable along two mutually parallelly extending guide rails (23) and comprises at least two arresting devices (26), wherein each arresting device (26) can co-operate with a respective one of the guide rails (23),- wherein the locking mechanism (28) can act by way of the coupling linkage (29) on the at least two arresting devices (26) of the displaceable platform (20) and- wherein the locking mechanism (28) can act on the safety brake system (48) of the cage by way of the intermediate linkage (46) connectible with the coupling linkage (29).
- Displaceable platform according to claim 3, wherein the at least two arresting devices (26) of the displaceable platform (20) are connected together by means of a connecting linkage (31) so that they are actuable substantially together and the connecting linkage (31) is controlled by the coupling linkage (29).
- Displaceable platform according to claim 3 or 4, wherein the coupling linkage (29) has a translation which translates the relative movement between locking mechanism (28) and displaceable platform (20) so that an actuating travel until engagement of the arresting device (26) of the displaceable platform (20) and of the safety brake system (48) of the cage with the guide rail (23) is shortened.
- Displaceable platform according to any one of claims 3 to 5, wherein the coupling linkage (29) is held in a standby position by means of a restoring spring (30), wherein the standby position of the coupling linkage (29) corresponds with the rest position of the arresting device (26).
- Displaceable platform according to any one of claims 3 to 6, wherein the coupling linkage (29) includes stroke adjustment means (36) and this stroke adjustment means (36) can adjust the rest position of the arresting device (26) so that a required actuation travel from the rest position of the arresting device (26) until engagement of the arresting device (26) with the guide rail (23) can be preset.
- Displaceable platform according to any one of claims 2 to 7, wherein the locking mechanism (28) is switchable so that a locking function is switched off at least temporarily.
- Displaceable platform according to any one of claims 2 to 8, wherein the safety component (27) is a safety cable (27a) which runs over at least the displacement path (S) of the displaceable platform (20) and the locking mechanism (28) is executed as a cable securing lock, which engages around the safety cable (27a), or wherein the safety component (27) is the guide rail (23), which is used at the same time for guidance of the displaceable platform (20) and the locking mechanism (28) is constructed to co-operate with a web of the guide rail (23).
- Displaceable platform according to any one of claims 3 to 9, wherein the fall prevention device (25) is provided with a warning device (37) which makes a rest position or standby position of the coupling linkage (29) recognisable.
- Displaceable platform according to any one of claims 1 to 10, wherein the displaceable platform (20) comprises deposit devices (38) by means of which the displaceable platform (20) can be fixed at predetermined places in the shaft (3), wherein the displaceable platform (20) comprises at least one lift drive (39) used for driving a lift with at least one cage (43), and wherein the fall prevention device (25) secures the displaceable platform (20) with the lift drive (39) against falling at least during displacement of the displaceable platform (20) from a lower, temporary use position (3u) to an upper use position (3o).
- Method for securing a displaceable platform (20) in a shaft (3) of a lift installation, wherein the displaceable platform (20) is arranged to be vertically displaceable along a guide rail (23) and wherein a cage (43) can be suspended by way of a suspension point at least temporarily at the displaceable platform (20) so that the displaceable platform (20) can be displaced together with the suspended cage (43), the method comprising the steps of:- arranging a safety component (27) in the shaft (3) of the lift installation so that the safety component (27) extends over at least an intended displacement path (S) of the displaceable platform (20),- coupling a locking mechanism (28), which is arranged at the displaceable platform (20), to the safety component (27), which locking mechanism (28) is connected with an arresting device (26) of the displaceable platform (20),- setting the locking mechanism (28) so that upward movement of the locking mechanism (28) along the safety component (27) is made possible and downward movement of the locking mechanism (28) along the safety component (27) is blocked,- connecting a safety brake system (48) of the cage with the locking mechanism (28) so that the safety brake system (48) of the cage (43) can be brought into engagement with the guide rail (23) substantially simultaneously with or slightly ahead of the arresting device (27) arranged at the displaceable platform (20) and- actuating the safety brake system (48) of the cage (43) and the arresting device (26) of the displaceable platform (20) as a consequence of relative movement between the locking mechanism (28) and the displaceable platform (20) in that the safety brake system (48) and the arresting device (26) are brought from a rest position into engagement with the guide rail (33) by the relative movement of the locking mechanism (28).
- Method according to claim 12, comprising the further step of:- manually deactivating a blocking function of the locking mechanism (28) or the connection thereof with the safety brake system (48) and the arresting device (26) so that the displaceable platform (20) can be lowered by at least a predetermined deposit travel without bringing the safety brake system (48) or the arresting device (26) into engagement with the guide rail (23).P
Priority Applications (2)
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PL14734177T PL3019428T3 (en) | 2013-07-10 | 2014-07-02 | Fall protection device for a platform |
EP14734177.0A EP3019428B1 (en) | 2013-07-10 | 2014-07-02 | Fall protection device for a platform |
Applications Claiming Priority (3)
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EP13175972 | 2013-07-10 | ||
PCT/EP2014/064028 WO2015003964A1 (en) | 2013-07-10 | 2014-07-02 | Fall prevention device for a platform |
EP14734177.0A EP3019428B1 (en) | 2013-07-10 | 2014-07-02 | Fall protection device for a platform |
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EP3019428A1 EP3019428A1 (en) | 2016-05-18 |
EP3019428B1 true EP3019428B1 (en) | 2017-04-19 |
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EP14734177.0A Active EP3019428B1 (en) | 2013-07-10 | 2014-07-02 | Fall protection device for a platform |
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US (1) | US10183838B2 (en) |
EP (1) | EP3019428B1 (en) |
CN (1) | CN105377738B (en) |
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CA (1) | CA2916436C (en) |
ES (1) | ES2625760T3 (en) |
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Also Published As
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RU2652340C2 (en) | 2018-04-25 |
ES2625760T3 (en) | 2017-07-20 |
WO2015003964A1 (en) | 2015-01-15 |
PT3019428T (en) | 2017-07-14 |
PH12015502857A1 (en) | 2016-03-28 |
RU2016104170A3 (en) | 2018-03-13 |
PL3019428T3 (en) | 2017-10-31 |
EP3019428A1 (en) | 2016-05-18 |
AU2014289444A1 (en) | 2016-02-04 |
RU2016104170A (en) | 2017-08-15 |
SG11201510711RA (en) | 2016-01-28 |
US10183838B2 (en) | 2019-01-22 |
CA2916436A1 (en) | 2015-01-15 |
CN105377738A (en) | 2016-03-02 |
CA2916436C (en) | 2021-05-18 |
US20160152442A1 (en) | 2016-06-02 |
PH12015502857B1 (en) | 2016-03-28 |
HK1219715A1 (en) | 2017-04-13 |
MY183376A (en) | 2021-02-18 |
CN105377738B (en) | 2017-06-23 |
AU2014289444B2 (en) | 2017-05-11 |
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