EP2723669B1 - Firefighting elevator - Google Patents
Firefighting elevator Download PDFInfo
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- EP2723669B1 EP2723669B1 EP12728470.1A EP12728470A EP2723669B1 EP 2723669 B1 EP2723669 B1 EP 2723669B1 EP 12728470 A EP12728470 A EP 12728470A EP 2723669 B1 EP2723669 B1 EP 2723669B1
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- European Patent Office
- Prior art keywords
- protective element
- fire service
- side wall
- cage
- lift according
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
Definitions
- the present invention relates to a firefighter elevator.
- the present invention relates in particular to the design of the elevator car of a fire brigade elevator.
- Modern elevator systems or so-called fire-fighter lifts which are specially designed for this purpose, must ensure reliable operation even in the event of a fire.
- the evacuation of persons and / or endangered material from the fire-affected floors must be ensured, and, on the other hand, a functioning elevator must also be available for the transport of firefighters and their extinguishing material.
- the use of extinguishing water must not cause the lift or the fire brigade lift to stop working. This applies both to the use of a sprinkler system on a floor as well as for the use of extinguishing water by the fire department.
- belt-like support means instead of steel cables has further exacerbated the problem of traction loss between the suspension element and the traction sheave.
- the plastic surfaces of belt-type suspension elements change their traction properties when wetting with extinguishing water stronger than steel cable-like suspension elements. This makes it necessary to derive the extinguishing water controlled, or catch. It must be prevented that Tragstoffabitese which interact with the traction sheave, are wetted with extinguishing water.
- a fire brigade elevator with an elevator car having a car roof, a first side wall and a second side wall.
- the elevator car is at least partially supported and driven by at least one support means.
- the elevator car is struck by the at least one support means, so that the at least one support means extends along the two opposite side walls.
- the firefighter elevator is designed so that the elevator car in an operating condition reaches speeds of more than 1 m / s.
- the elevator car comprises at least one protective element, which is arranged substantially over a side wall, so that in a fire on the cabin roof falling fire extinguishing water is substantially prevented from wetting the at least one support means.
- This solution consists first in the arrangement of a discharge system not at the individual shaft doors, but at the elevator car itself.
- This basic idea is derived from the knowledge that the extinguishing water does not basically have to be kept away from the elevator shaft, but also flows out in a controlled or distracted manner can. It has been observed that a major cause of the wetness of the suspension elements is the spraying or spraying of the extinguishing water when hitting the roof the elevator car is.
- the firefighter elevator is designed so that the elevator car in an operating condition reaches speeds of more than 1 m / s. This has the advantage that in a fire rescue maneuvers can be carried out efficiently and quickly.
- the elevator car in an operating state reaches speeds of more than 2 m / s, more preferably of more than 3 m / s.
- the protective element can be made, for example, more robust and / or stiffer than in fire brigade elevators, which are designed only for lower speeds.
- the elevator car also comprises a ladder.
- the ladder is arranged on a cabin rear wall. An outside of the elevator car arranged ladder has the advantage that rescue work outside the elevator car in case of fire can be simplified.
- a balustrade is disposed substantially above at least one sidewall of the elevator car.
- the balustrade is arranged substantially over both side walls.
- the balustrade is not surmounted by the at least one protective element. This has the advantage that a movement of the elevator car in the direction of the shaft ceiling is not limited by the protective element.
- the protective element is an independent component, which may be fastened for example on the cabin roof.
- a protective element is formed from sheet metal.
- attachment of the protective element can take place in various ways. For example, it is also possible to attach the protective element to a cabin sidewall so that the protective element extends beyond the cabin roof in a plane of the cabin sidewall.
- the at least one protective element is attached to the balustrade.
- the protective element can be clamped to the balustrade, and therefore does not have to be made of a rigid material.
- a protective element mounted on the balustrade can be formed from a plastic film which is sufficiently resistant to stop firefighting water splashing from the canopy against the suspension means.
- the balustrade comprises an upper linkage and a lower linkage.
- the upper linkage can be set back over the first side wall in the direction of the second side wall.
- the at least one protective element does not project beyond the lower side of the balustrade above the first side wall. This ensures that the protective element does not additionally hinder passage of the elevator car via the drive.
- An advantage of the proposed solution is in particular that neither the elevator itself nor the elevator shaft adjustments or special structural measures must be made.
- the proposed protective element can be retrofitted, for example, in existing elevator systems in a simple manner.
- this proposed solution is inexpensive.
- the protective element can be arranged both on level, on beveled, or on irregularly shaped cabin roofs. This makes it possible to retrofit the extinguishing water discharge system according to the invention for almost all elevator types.
- the protective element can therefore be understood as an additional component, which can be arranged on existing, self-contained elevator cars.
- the protective element is used in firefighters lifts, which have support means with a plastic casing, such as belts.
- the protective element can also be used, but here is the loss of traction by wetting the support means with extinguishing water less serious than plastic-coated support means.
- Such belts usually have a sheath made of plastic, which is arranged around a plurality of mutually parallel tension members.
- the tensile carriers can be constructed, for example, from steel wires or synthetic fibers.
- two protective elements are provided, wherein in each case a first protective element is arranged substantially above a first cabin side wall and a second protective element is arranged substantially above a second cabin side wall.
- each of these support means can be arranged a plurality of mutually parallel support means, each of these support means underschlingt the elevator car.
- Each of the parallel extending support means extends along the opposite side walls of the elevator car.
- the protective element is preferably designed such that it does not project beyond other components of the elevator car in a use state.
- a height of the protective element is for example 20 cm to 120 cm.
- the protective element can basically be made of various materials.
- the protective element consists of a cost-effective, robust and lightweight material which can be shaped or manufactured by simple methods.
- An example of such a material is sheet metal.
- various plastics can be used.
- a wall thickness of the protective element is for example between 0.5 mm and 30 mm, preferably between 1 mm and 10 mm, particularly preferably between 2 mm and 7 mm.
- the protective element can be shaped differently.
- a preferred form is a rectangular element which extends substantially along the entire side wall of the elevator car.
- other shapes are applicable.
- beveled or irregularly shaped elements can be used.
- Essential for the choice of the shape is that the support means by the protective element effectively splash water, which is sprayed from the canopy in the direction of suspension means protected.
- Fire brigade elevators are elevators that have been specially adapted to last longer in a fire. Such adaptations are, for example, splash-proof electronic components, refractory cabin elements, or a specific control mode for the case of fire.
- the protective element is also such an adaptation. In this sense, each elevator equipped with such a protective element will hereinafter be referred to as a fire brigade elevator.
- FIG. 1 shows an elevator system, as it is known from the prior art.
- a car 1 and a counterweight 2 are arranged. Both the elevator car 1 and the counterweight 2 are coupled to a suspension element 3.
- the suspension element 3 By driving the suspension element 3 with a drive (not shown), the elevator car 1 and the counterweight 2 in the shaft 10 can move vertically become.
- both the elevator car 1 as well as the counterweight 2 to support rollers 11, 12 are suspended.
- the cabin support rollers 11 are arranged below the car 1, so that the car 1 is straddled by the support means 3.
- the counterweight roller 12 is disposed above the counterweight 2, so that the counterweight 2 is suspended from the counterweight roller 12. Due to the looping of the elevator car 1, the support means 3 is guided along cabin side walls 30.
- a shaft wall 6 has in each case at an altitude of a floor 9.1, 9.2 an opening which can be closed by a shaft door 5.1, 5.2 respectively.
- a fire extinguishing system 13 is installed on the second lowest floor 9.2 .
- the fire extinguishing system 13 is arranged on a ceiling of the floor 9.2, so that extinguishing water 14 can reach the largest possible number of fire locations.
- the extinguishing water 14 collects on the floor of the floor 8.2 and flows from there, at least partially, under the shaft door 5.2 through and into the elevator shaft 10 into it.
- the extinguishing water 14 flowing through the shaft door 5.2 waterfall from above can fall down on the elevator car 1. From the elevator car 1, the extinguishing water 14 continues to flow until it collects at the shaft bottom 7 (not shown).
- the distribution of the fire-extinguishing water 14 in the elevator shaft 10 depends inter alia on the following factors: For the entry of the extinguishing water 14 into the elevator shaft 10, the quantity of extinguishing water as well as a gap size between the shaft door 5.2 and the floor 8.2 are decisive. The greater the quantity of extinguishing water, the greater the water pressure, which allows the extinguishing water to shoot into the shaft. The shape and size of the gap between the shaft door 5.2 and the floor floor 8.2 have a direct influence on the distribution of extinguishing water 14 in the elevator shaft 10.
- the distribution of the extinguishing water 14 in the elevator shaft 10 is influenced by the height difference between the elevator car 1 and the floor 9.2 from which the extinguishing water 14 penetrates into the shaft 10.
- a bigger one Distance between the cabin roof 15 and the floor level 8.2, from which the extinguishing water penetrates into the shaft 10, also has the consequence that the extinguishing water can spread wider and deeper in the shaft 10 through a higher fall path.
- FIG. 1 It can be seen that the extinguishing water 14 should not squirt as possible when hitting the cabin roof 15, and that the extinguishing water 14 from the cabin roof 15 is advantageously derived via a car door 4 or a cabin rear wall 29. Both when splashing on the cabin roof 15 as well as when running down the cabin side walls 30, there is the danger that the support means 3 is wetted by the fire water 14.
- FIG. 1 described principles and problems in other types of fire extinguishing systems 13, or other types of lifts occur.
- FIG. 2 shows an exemplary embodiment of an elevator car in a spatial representation.
- the elevator car is straddled by two support means 3, wherein the support means 3 are guided by support rollers 11 around the elevator car.
- the support means 3 are shielded by two protective elements 16 against extinguishing water, which falls from the top down on the cabin roof 15 and sprayed from there laterally.
- the protective elements 16 in FIG. 2 are designed as separate components. They have a rectangular shape, and extend substantially over an entire width of the side walls 30. In this embodiment, the protective elements 16 are arranged in a plane of the side walls 30. It is understood that the protective elements 16 can also be arranged slightly offset from the plane of the side walls 30, without losing their function as splash guard walls for the protection of the support means 3.
- the ladder 17 serves to simplify rescue maneuvers in the hoistway outside the elevator car in the event of a fire.
- FIG. 3 shows a further exemplary embodiment of an elevator car in a spatial representation.
- the elevator car is in turn of two support means. 3 underschlept, wherein the support means 3 are guided by support rollers 11 around the elevator car.
- a balustrade 21 is also arranged on the canopy 15, a balustrade 21 is also arranged.
- the balustrade is arranged in this embodiment, the two side walls 30 and over the rear wall of the elevator car.
- the balustrade 21 upper link 22 and lower linkage 23, which are each interconnected.
- the upper linkages 22 are on a common plane above the cabin roof 15, and the lower linkages 23 are also located on a common plane above the cabin roof 15, with the plane of the upper linkages 22 above the plane of the lower linkages 23.
- Such a balustrade 21 serves the safety of persons who perform the cabin roof 15 from repair or maintenance work in the elevator shaft.
- a height of the balustrade 21 usually depends on a width of a gap which exists between the cabin and the shaft walls. The larger the gap between the cabin and the shaft walls, the higher the balustrade 21 should be. Usually, such heights of the balustrade 21 are defined in safety standards.
- the protective elements 16 are attached to the balustrade 21. Again, in each case a protective element 16 is arranged above each side wall 30 of the elevator car. The protective elements 16 each extend from the canopy 15 to the lower poles 23 of the balustrade 21. It is understood that in an alternative embodiment, the protective elements 16 may extend to the upper poles 22 of the balustrade 21 or to a different height.
- the protective elements 16 are formed so that they do not project beyond the balustrades 21. As a result, movement of the elevator car in the direction of the shaft head (not shown) is not additionally restricted by the protective elements 16.
- FIG. 4 shows a further exemplary embodiment of an elevator car in a spatial representation.
- the elevator car is in turn straddled by two support means 3, wherein the support means 3 are guided by support rollers 11 around the elevator car.
- balustrade 21 On the canopy 15, in turn, a balustrade 21 is arranged.
- the balustrade 21 in this embodiment also includes lower linkage 23 and upper linkages 22.
- the upper linkage 22, which is substantially above the first side wall 30, is recessed toward the second side wall 30. It is thereby achieved that the upper linkage 22 does not obstruct a passage of the elevator car via a drive (not shown), which is arranged substantially above the first side wall 30 in a shaft head.
- the protective element 16 advantageously extends, as in FIG. 4 shown, only to the lower rod 23, which is not set back. This ensures that the protective element 16 is arranged directly above the side wall 30 as possible, so that the current along the side wall 30 support means 3 as well as possible against extinguishing water, which splashes laterally on the canopy 15, is protected.
- two protective elements 16 may be used, which do not have the same shape, size, or arrangement on the elevator car. Depending on the cabin type, therefore, different protective elements 16 can be used.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Types And Forms Of Lifts (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Description
Die vorliegende Erfindung betrifft einen Feuerwehraufzug. Die vorliegende Erfindung betrifft insbesondere die Ausgestaltung der Aufzugskabine eines Feuerwehraufzuges.The present invention relates to a firefighter elevator. The present invention relates in particular to the design of the elevator car of a fire brigade elevator.
Moderne Aufzugsanlagen oder sogenannte Feuerwehraufzüge, welche extra zu diesem Zweck ausgelegt sind, müssen einen zuverlässigen Betrieb auch in einem Brandfall gewährleisten. Einerseits muss die Evakuierung von Personen und / oder gefährdetem Material aus den vom Brand betroffenen Stockwerken gewährleistet werden, und andererseits muss auch für den Transport der Feuerwehrleute und deren Löschmaterial ein funktionsfähiger Aufzug zur Verfügung stehen. In beiden Fällen darf der Einsatz von Löschwasser nicht dazu führen, dass die Aufzugsanlage bzw. der Feuerwehraufzug nicht mehr funktioniert. Dies gilt sowohl für den Einsatz einer Sprinkleranlage auf einem Stockwerk wie auch für den Einsatz von Löschwasser durch die Feuerwehr.Modern elevator systems or so-called fire-fighter lifts, which are specially designed for this purpose, must ensure reliable operation even in the event of a fire. On the one hand, the evacuation of persons and / or endangered material from the fire-affected floors must be ensured, and, on the other hand, a functioning elevator must also be available for the transport of firefighters and their extinguishing material. In both cases, the use of extinguishing water must not cause the lift or the fire brigade lift to stop working. This applies both to the use of a sprinkler system on a floor as well as for the use of extinguishing water by the fire department.
Dies bedeutet, dass elektrische Bauteile der Aufzugsanlage trocken bleiben müssen. Zudem muss sichergestellt werden, dass ein Tragmittel auf einer Treibscheibe weiterhin wunschgemäss angetrieben wird. Löschwasser kann dabei die Traktion des Tragmittels auf der Treibscheibe negativ beeinflussen. Einerseits kann Löschwasser die Reibungswerte zwischen der Treibscheibe und dem Tragmittel direkt vermindern, und andererseits kann im Löschwasser enthaltenes Schmiermittel die Traktion zwischen Tragmittel und Treibscheibe zusätzlich negativ beeinflussen. Ein mit Löschwasser benetztes Tragmittel kann somit zu einer Traktionsminderung oder gar zu einem kompletten Verlust der Traktion führen. Insbesondere bei einem hohen Unterschied zwischen dem Gewicht der Aufzugskabine und eines Gegengewichtes kann dabei eine unkontrollierte Fahrt der Aufzugskabine entstehen, welche durch Fangbremsen gestoppt werden muss.This means that electrical components of the elevator system must remain dry. In addition, it must be ensured that a suspension on a traction sheave is still driven as desired. Extinguishing water can adversely affect the traction of the suspension on the traction sheave. On the one hand, extinguishing water can directly reduce the friction values between the traction sheave and the suspension element, and on the other hand, lubricant contained in extinguishing water can additionally negatively influence the traction between suspension element and traction sheave. A wetting agent wetted with extinguishing water can thus lead to a reduction in traction or even to a complete loss of traction. In particular, in the case of a high difference between the weight of the elevator car and a counterweight, an uncontrolled drive of the elevator car may arise, which must be stopped by safety brakes.
Der Einsatz von riemenartigen Tragmitteln anstelle von Stahlseilen hat die Problematik des Traktionsverlustes zwischen Tragmittel und Treibscheibe zusätzlich verschärft. Die Kunststoffoberflächen von riemenartigen Tragmitteln verändern ihre Traktionseigenschaften bei einer Benetzung mit Löschwasser stärker als stahlseilartige Tragmittel. Dies macht es erforderlich, das Löschwasser kontrolliert abzuleiten, bzw. aufzufangen. Es muss verhindert werden, dass Tragmittelabschnitte, welche mit der Treibscheibe zusammen wirken, mit Löschwasser benetzt werden.The use of belt-like support means instead of steel cables has further exacerbated the problem of traction loss between the suspension element and the traction sheave. The plastic surfaces of belt-type suspension elements change their traction properties when wetting with extinguishing water stronger than steel cable-like suspension elements. This makes it necessary to derive the extinguishing water controlled, or catch. It must be prevented that Tragmittelabschnitte which interact with the traction sheave, are wetted with extinguishing water.
Normalerweise dringt das Löschwasser über die Schachttüren des Aufzugsschachtes in den Aufzugsschacht hinein. Dabei fliesst das Löschwasser auf einem Stockwerkboden unter den Schachttüren hindurch in den Aufzugsschacht. Die internationale Veröffentlichungsschrift
Es ist daher eine Aufgabe dieser Erfindung, eine Vorrichtung zum Schutz der Tragmittel gegen Löschwasser bereit zu stellen, welche kostengünstiger realisiert werden kann.It is therefore an object of this invention to provide a device for protecting the support means against extinguishing water, which can be realized more cheaply.
Diese Aufgabe wird gelöst durch einen Feuerwehraufzug mit einer Aufzugskabine aufweisend ein Kabinendach, eine erste Seitenwand und eine zweite Seitenwand. Die Aufzugskabine ist durch zumindest ein Tragmittel zumindest teilweise getragen und angetrieben. Die Aufzugskabine ist vom zumindest einen Tragmittel unterschlungen, sodass das zumindest eine Tragmittel entlang der zwei sich gegenüberliegenden Seitenwände verläuft. Der Feuerwehraufzug ist derart ausgelegt, dass die Aufzugskabine in einem Betriebszustand Geschwindigkeiten von mehr als 1 m/s erreicht. Die Aufzugskabine umfasst zumindest ein Schutzelement, welches im Wesentlichen über einer Seitenwand angeordnet ist, sodass in einem Brandfall auf das Kabinendach herabfallendes Löschwasser wesentlich daran gehindert ist, das zumindest eine Tragmittel zu benetzen.This object is achieved by a fire brigade elevator with an elevator car having a car roof, a first side wall and a second side wall. The elevator car is at least partially supported and driven by at least one support means. The elevator car is struck by the at least one support means, so that the at least one support means extends along the two opposite side walls. The firefighter elevator is designed so that the elevator car in an operating condition reaches speeds of more than 1 m / s. The elevator car comprises at least one protective element, which is arranged substantially over a side wall, so that in a fire on the cabin roof falling fire extinguishing water is substantially prevented from wetting the at least one support means.
Diese Lösung besteht zunächst in der Anordnung eines Ableitsystems nicht an den einzelnen Schachttüren, sondern an der Aufzugskabine selbst. Dieser Grundgedanke leitet sich von der Erkenntnis ab, dass das Löschwasser nicht grundsätzlich aus dem Aufzugsschacht fern gehalten werden muss, sondern auch kontrolliert bzw. abgelenkt abfliessen kann. Es wurde beobachtet, dass eine Hauptursache des Nasswerdens der Tragmittel das Spritzen, bzw. Zerstäuben des Löschwassers beim Auftreffen auf das Dach der Aufzugskabine ist.This solution consists first in the arrangement of a discharge system not at the individual shaft doors, but at the elevator car itself. This basic idea is derived from the knowledge that the extinguishing water does not basically have to be kept away from the elevator shaft, but also flows out in a controlled or distracted manner can. It has been observed that a major cause of the wetness of the suspension elements is the spraying or spraying of the extinguishing water when hitting the roof the elevator car is.
Der Feuerwehraufzug ist derart ausgelegt, dass die Aufzugskabine in einem Betriebszustand Geschwindigkeiten von mehr als 1 m/s erreicht. Dies hat den Vorteil, dass in einem Brandfall Rettungsmanöver effizient und rasch durchgeführt werden können. In einer bevorzugten Ausführungsform erreicht die Aufzugskabine in einem Betriebszustand Geschwindigkeiten von mehr als 2 m/s, besonders bevorzugt von mehr als 3 m/s.
Für Feuerwehaufzüge, welche für sehr hohe Geschwindigkeiten der Aufzugskabine ausgelegt sind, kann es erforderlich sein, das Schutzelement an die schnelleren relativen Luftbewegungen anzupassen. Dabei kann das Schutzelement beispielsweise robuster und / oder steifer ausgebildet werden als bei Feuerwehraufzügen, welche lediglich für tiefere Geschwindigkeiten ausgelegt sind.The firefighter elevator is designed so that the elevator car in an operating condition reaches speeds of more than 1 m / s. This has the advantage that in a fire rescue maneuvers can be carried out efficiently and quickly. In a preferred embodiment, the elevator car in an operating state reaches speeds of more than 2 m / s, more preferably of more than 3 m / s.
For fire trucks, which are designed for very high speeds of the elevator car, it may be necessary to adapt the protective element to the faster relative air movements. In this case, the protective element can be made, for example, more robust and / or stiffer than in fire brigade elevators, which are designed only for lower speeds.
In einer vorteilhaften Ausführungsform umfasst die Aufzugskabine zudem eine Leiter. In einer besonders bevorzugten Ausführungsform ist die Leiter an einer Kabinenrückwand angeordnet. Eine aussen an der Aufzugskabine angeordnete Leiter hat den Vorteil, dass Rettungsarbeiten ausserhalb der Aufzugskabine im Brandfall vereinfacht werden.In an advantageous embodiment, the elevator car also comprises a ladder. In a particularly preferred embodiment, the ladder is arranged on a cabin rear wall. An outside of the elevator car arranged ladder has the advantage that rescue work outside the elevator car in case of fire can be simplified.
In einer beispielhaften Ausführungsform ist eine Balustrade im Wesentlichen über zumindest einer Seitenwand der Aufzugskabine angeordnet. In einer vorteilhaften Ausführungsform ist die Balustrade im Wesentlichen über beiden Seitenwänden angeordnet.
In einer bevorzugten Ausführungsform wird die Balustrade von dem zumindest einen Schutzelement nicht überragt. Dies hat den Vorteil, dass eine Bewegung der Aufzugskabine in Richtung Schachtdecke nicht durch das Schutzelement begrenzt wird.In an exemplary embodiment, a balustrade is disposed substantially above at least one sidewall of the elevator car. In an advantageous embodiment, the balustrade is arranged substantially over both side walls.
In a preferred embodiment, the balustrade is not surmounted by the at least one protective element. This has the advantage that a movement of the elevator car in the direction of the shaft ceiling is not limited by the protective element.
In einer beispielhaften Ausführungsform ist das Schutzelement ein eigenständiges Bauteil, welches beispielsweise auf dem Kabinendach befestigt sein kann. In einer beispielhaften Ausführungsform ist ein solches Schutzelement aus Blech ausgebildet. Je nach Konfiguration der Aufzugskabine kann eine Befestigung des Schutzelementes auf verschiedene Arten erfolgen. Es ist beispielsweise auch möglich, das Schutzelement an einer Kabinenseitenwand zu befestigen, sodass sich das Schutzelement über das Kabinendache hinaus in einer Ebene der Kabinenseitenwand erstreckt.In an exemplary embodiment, the protective element is an independent component, which may be fastened for example on the cabin roof. In an exemplary embodiment, such a protective element is formed from sheet metal. Depending on the configuration of the elevator car, attachment of the protective element can take place in various ways. For example, it is also possible to attach the protective element to a cabin sidewall so that the protective element extends beyond the cabin roof in a plane of the cabin sidewall.
In einer alternativen Ausführungsform ist das zumindest eine Schutzelement an der Balustrade befestigt. Dies hat den Vorteil, dass für das Schutzelement keine eigenständige Befestigung an der Aufzugskabine ausgebildet werden muss. Zudem kann so das Schutzelement an der Balustrade aufgespannt werden, und muss daher nicht aus einem steifen Material hergestellt werden. Beispielsweise kann ein solch an der Balustrade aufgespanntes Schutzelement aus einer Kunststofffolie gebildet sein, welche genügend widerstandsfähig ist, um vom Kabinendach gegen die Tragmittel spritzendes Löschwasser aufzuhalten.In an alternative embodiment, the at least one protective element is attached to the balustrade. This has the advantage that for the protective element no independent attachment to the elevator car must be formed. In addition, so the protective element can be clamped to the balustrade, and therefore does not have to be made of a rigid material. For example, such a protective element mounted on the balustrade can be formed from a plastic film which is sufficiently resistant to stop firefighting water splashing from the canopy against the suspension means.
In einer vorteilhaften Ausführungsform umfasst die Balustrade ein oberes Gestänge und ein unteres Gestänge. Dabei kann das obere Gestänge über der ersten Seitenwand zurückversetzt in Richtung der zweiten Seitenwand sein. Dies hat den Vorteil, dass das obere Gestänge eine Überfahrt der Aufzugskabine über einen Antrieb, welcher im Wesentlichen über der ersten Seitenwand angeordnet ist, nicht behindert. Vorteilhafterweise überragt dabei das zumindest eine Schutzelement über der ersten Seitenwand nicht über das untere Gestänge der Balustrade. Somit wird sichergestellt, dass das Schutzelement eine Überfahrt der Aufzugskabine über den Antrieb nicht zusätzlich behindert.In an advantageous embodiment, the balustrade comprises an upper linkage and a lower linkage. In this case, the upper linkage can be set back over the first side wall in the direction of the second side wall. This has the advantage that the upper linkage does not hinder passage of the elevator car via a drive which is arranged substantially above the first side wall. Advantageously, the at least one protective element does not project beyond the lower side of the balustrade above the first side wall. This ensures that the protective element does not additionally hinder passage of the elevator car via the drive.
Vorteilhaft an der vorgeschlagenen Lösung ist insbesondere, dass weder am Aufzug selbst noch am Aufzugsschacht Anpassungen oder besondere bauliche Massnahmen vorgenommen werden müssen. Das vorgeschlagene Schutzelement kann beispielsweise auch in bestehenden Aufzugsanlagen auf einfache Art und Weise nachgerüstet werden. Zudem ist diese vorgeschlagene Lösung kostengünstig.An advantage of the proposed solution is in particular that neither the elevator itself nor the elevator shaft adjustments or special structural measures must be made. The proposed protective element can be retrofitted, for example, in existing elevator systems in a simple manner. In addition, this proposed solution is inexpensive.
Weiterhin vorteilhaft an der vorgeschlagenen Lösung ist es, dass Aufzugskabinen von unterschiedlichem Typ nachgerüstet werden können. Das Schutzelement kann sowohl auf ebenen, auf abgeschrägten, oder auch auf unregelmässig geformten Kabinendächern angeordnet werden. Dies ermöglicht ein Nachrüsten des erfindungsgemässen Löschwasserableitsystems für nahezu alle Aufzugstypen. Das Schutzelement kann also als zusätzliches Bauelement aufgefasst werden, welches auf bestehenden, in sich abgeschlossenen Aufzugskabinen angeordnet werden kann.Another advantage of the proposed solution is that elevator cabins of different types can be retrofitted. The protective element can be arranged both on level, on beveled, or on irregularly shaped cabin roofs. This makes it possible to retrofit the extinguishing water discharge system according to the invention for almost all elevator types. The protective element can therefore be understood as an additional component, which can be arranged on existing, self-contained elevator cars.
Vorteilhafterweise wird das Schutzelement bei Feuerwehraufzügen eingesetzt, welche Tragmittel mit einer Kunststoffummantelung, wie beispielsweise Riemen, aufweisen. Bei Tragmitteln ohne Kunststoffummantelung, wie beispielsweise Stahlseilen, kann das Schutzelement ebenfalls eingesetzt werden, jedoch ist hier der Traktionsverlust durch Benetzung des Tragmittels mit Löschwasser weniger gravierend als bei kunststoffummantelten Tragmitteln. Solche Riemen weisen üblicherweise einen Mantel aus Kunststoff auf, welcher um mehrere parallel zueinander angeordnete Zugträger angeordnet ist. Die Zugträger können beispielsweise aus Stahldrähten oder Kunstfasern aufgebaut sein.Advantageously, the protective element is used in firefighters lifts, which have support means with a plastic casing, such as belts. For support means without plastic sheathing, such as steel cables, the protective element can also be used, but here is the loss of traction by wetting the support means with extinguishing water less serious than plastic-coated support means. Such belts usually have a sheath made of plastic, which is arranged around a plurality of mutually parallel tension members. The tensile carriers can be constructed, for example, from steel wires or synthetic fibers.
Vorteilhafterweise sind zwei Schutzelemente vorgesehen, wobei jeweils ein erstes Schutzelement im Wesentlichen über einer ersten Kabinenseitenwand angeordnet ist und ein zweites Schutzelement im Wesentlichen über einer zweiten Kabinenseitenwand angeordnet ist. Dies hat den Vorteil, dass das zumindest eine Tragmittel vollständig vor dem in einem Brandfall auf das Kabinendach herabfallende Löschwasser geschützt ist.Advantageously, two protective elements are provided, wherein in each case a first protective element is arranged substantially above a first cabin side wall and a second protective element is arranged substantially above a second cabin side wall. This has the advantage that the at least one suspension element is completely protected from the extinguishing water falling onto the cabin roof in the event of a fire.
Es können mehrere, parallel zueinander verlaufende Tragmittel angeordnet sein, wobei jedes dieser Tragmittel die Aufzugskabine unterschlingt. Jedes der parallel verlaufenden Tragmittel verläuft entlang den sich gegenüberliegenden Seitenwänden der Aufzugskabine.It can be arranged a plurality of mutually parallel support means, each of these support means unterschlingt the elevator car. Each of the parallel extending support means extends along the opposite side walls of the elevator car.
Um eine Fahrt der Aufzugskabine in Richtung Schachtkopf nicht zu begrenzen, ist das Schutzelement vorzugsweise derart ausgestaltet, dass es in einem Verwendungszustand nicht über andere Bestandteile der Aufzugskabine hinausragt. Eine Höhe des Schutzelementes beträgt beispielsweise 20 cm bis 120 cm.In order not to limit a travel of the elevator car in the direction of the shaft head, the protective element is preferably designed such that it does not project beyond other components of the elevator car in a use state. A height of the protective element is for example 20 cm to 120 cm.
Das Schutzelement kann grundsätzlich aus verschiedenartigen Materialien hergestellt werden. Vorzugsweise besteht das Schutzelement aus einem kostengünstigen, robusten und leichten Material, welches durch einfache Verfahren geformt bzw. hergestellt werden kann. Ein Beispiel eines solchen Materials ist Blech. Alternativ dazu können beispielsweise auch verschiedene Kunststoffe verwendet werden. Eine Wandstärke des Schutzelementes beträgt beispielsweise zwischen 0.5 mm und 30 mm, bevorzugt zwischen 1 mm und 10 mm, besonders bevorzugt zwischen 2 mm und 7 mm.The protective element can basically be made of various materials. Preferably, the protective element consists of a cost-effective, robust and lightweight material which can be shaped or manufactured by simple methods. An example of such a material is sheet metal. Alternatively, for example, various plastics can be used. A wall thickness of the protective element is for example between 0.5 mm and 30 mm, preferably between 1 mm and 10 mm, particularly preferably between 2 mm and 7 mm.
Das Schutzelement kann verschiedenartig geformt sein. Eine bevorzugte Form ist ein rechteckiges Element, welches sich im Wesentlichen entlang der gesamten Seitenwand der Aufzugskabine erstreckt. Es sind jedoch auch andere Formgebungen anwendbar. Beispielsweise können auch abgeschrägte oder unregelmässig geformte Elemente eingesetzt werden. Wesentlich für die Wahl der Formgebung ist, dass das Tragmittel durch das Schutzelement wirkungsvoll vor Spritzwasser, welches vom Kabinendach in Richtung Tragmittel verspritzt, geschützt ist.The protective element can be shaped differently. A preferred form is a rectangular element which extends substantially along the entire side wall of the elevator car. However, other shapes are applicable. For example, beveled or irregularly shaped elements can be used. Essential for the choice of the shape is that the support means by the protective element effectively splash water, which is sprayed from the canopy in the direction of suspension means protected.
Feuerwehraufzüge sind Aufzüge, welche spezielle Anpassungen aufweisen, sodass sie in einem Brandfall länger einsatzfähig bleiben. Solche Anpassungen sind beispielsweise spritzwassergeschützte Elektronikbauteile, feuerfeste Kabinenelemente, oder einen spezifischen Steuermodus für den Brandfall. Das Schutzelement ist ebenfalls eine solche Anpassung. In diesem Sinne wird in der Folge jeder Aufzug, der mit einem solchen Schutzelement ausgerüstet ist, als Feuerwehraufzug bezeichnet.Fire brigade elevators are elevators that have been specially adapted to last longer in a fire. Such adaptations are, for example, splash-proof electronic components, refractory cabin elements, or a specific control mode for the case of fire. The protective element is also such an adaptation. In this sense, each elevator equipped with such a protective element will hereinafter be referred to as a fire brigade elevator.
Anhand von Figuren wird die Erfindung symbolisch und beispielhaft näher erläutert. Dabei zeigen
- Fig. 1
- eine schematische Darstellung einer beispielhaften Aufzugsanlage in einem Gebäude mit einer Feuerlöschanlage;
- Fig. 2
- eine beispielhafte Ausführungsform einer Aufzugskabine mit Schutzelement;
- Fig. 3
- eine beispielhafte Ausführungsform einer Aufzugskabine mit Schutzelement; und
- Fig. 4
- eine beispielhafte Ausführungsform einer Aufzugskabine mit Schutzelement.
- Fig. 1
- a schematic representation of an exemplary elevator installation in a building with a fire extinguishing system;
- Fig. 2
- an exemplary embodiment of an elevator car with protective element;
- Fig. 3
- an exemplary embodiment of an elevator car with protective element; and
- Fig. 4
- an exemplary embodiment of an elevator car with protective element.
Eine Schachtwand 6 hat jeweils auf einer Höhe eines Stockwerkes 9.1, 9.2 eine Öffnung, welche jeweils durch eine Schachttüre 5.1, 5.2 verschlossen werden kann. Auf dem zweituntersten Stockwerk 9.2 ist eine Feuerlöschanlage 13 installiert. Die Feuerlöschanlage 13 ist an einer Decke des Stockwerks 9.2 angeordnet, so dass Löschwasser 14 eine möglichst grosse Anzahl von Brandorten erreichen kann. Das Löschwasser 14 sammelt sich auf dem Stockwerkboden 8.2 und fliesst von da, zumindest teilweise, unter der Schachttüre 5.2 hindurch und in den Aufzugsschacht 10 hinein. Wie in
Die Verteilung des Löschwassers 14 im Aufzugsschacht 10 ist unter Anderem von folgenden Faktoren abhängig: Für den Eintritt des Löschwassers 14 in den Aufzugsschacht 10 sind zunächst die Löschwassermenge wie auch eine Spaltgrösse zwischen der Schachttüre 5.2 und dem Stockwerkboden 8.2 massgebend. Je grösser die Löschwassermenge desto grösser wird der Wasserdruck, welcher das Löschwasser in den Schacht hinein schiessen lässt. Die Form und Grösse des Spaltes zwischen der Schachttüre 5.2 und des Stockwerkbodens 8.2 haben einen unmittelbaren Einfluss auf die Verteilung des Löschwassers 14 im Aufzugsschacht 10. Weiterhin beeinflusst wird die Verteilung des Löschwassers 14 im Aufzugsschacht 10 durch den Höhenunterschied zwischen der Aufzugskabine 1 und dem Stockwerk 9.2, aus welchem das Löschwasser 14 in den Schacht 10 hineindringt. Je grösser der Abstand zwischen einem Kabinendach 15 und dem Stockwerkboden 8.2, aus welchem das Löschwasser 14 in den Schacht 10 hineindringt, desto schneller fällt das Löschwasser 14 auf das Aufzugskabinendach 15, und desto weiter wird das Löschwasser 14 vom Kabinendach 15 verspritzt. Ein grösserer Abstand zwischen dem Kabinendach 15 und dem Stockwerkboden 8.2, aus welchem das Löschwasser in den Schacht 10 hineindringt, hat zudem zur Folge, dass sich das Löschwasser durch einen höheren Fallweg breiter und tiefer im Schacht 10 ausbreiten kann.The distribution of the fire-extinguishing
Aus
Es versteht sich, dass die zu
Die Schutzelemente 16 in
An einer Rückwand der Aufzugskabine ist eine Leiter 17 angeordnet. Die Leiter 17 dient der Vereinfachung von Rettungsmanövern im Aufzugsschacht ausserhalb der Aufzugskabine in einem Brandfall.On a rear wall of the elevator car a
Eine solche Balustrade 21 dient der Sicherheit von Personen, welche vom Kabinendach 15 aus Reparatur- oder Unterhaltsarbeiten im Aufzugsschacht ausführen. Dabei richtet sich eine Höhe der Balustrade 21 üblicherweise nach einer Breite eines Spaltes, welcher zwischen der Kabine und den Schachtwänden besteht. Je grösser der Spalt zwischen der Kabine und den Schachtwänden, desto höher sollte die Balustrade 21 sein. Üblicherweise sind solche Höhen der Balustrade 21 in Sicherheitsnormen festgelegt.Such a
In diesem Ausführungsbeispiel sind die Schutzelemente 16 an der Balustrade 21 befestigt. Wiederum ist jeweils ein Schutzelement 16 über jeder Seitenwand 30 der Aufzugskabine angeordnet. Die Schutzelemente 16 reichen jeweils vom Kabinendach 15 bis zu den unteren Gestängen 23 der Balustrade 21. Es versteht sich, dass in einer alternativen Ausführungsform die Schutzelemente 16 bis zu den oberen Gestängen 22 der Balustrade 21 oder bis auf eine andere Höhe reichen können.In this embodiment, the
Vorteilhafterweise sind die Schutzelemente 16 so ausgebildet, dass sie die Balustraden 21 nicht überragen. Dadurch wird eine Bewegung der Aufzugskabine in Richtung des Schachtkopfes (nicht dargestellt) nicht zusätzlich durch die Schutzelemente 16 beschränkt.Advantageously, the
Auf dem Kabinendach 15 ist wiederum eine Balustrade 21 angeordnet. Die Balustrade 21 in diesem Ausführungsbeispiel umfasst ebenfalls untere Gestänge 23 und obere Gestänge 22. Das obere Gestänge 22, welches sich im Wesentlichen über der ersten Seitenwand 30 befindet, ist in Richtung der zweiten Seitenwand 30 zurückversetzt. Dadurch wird erreicht, dass das obere Gestänge 22 eine Überfahrt der Aufzugskabine über einen Antrieb (nicht dargestellt), welcher im Wesentlichen über der ersten Seitenwand 30 in einem Schachtkopf angeordnet ist, nicht behindert.On the
Bei einem zurückversetzten oberen Gestänge 22 erstreckt sich das Schutzelement 16 vorteilhafterweise, wie in
Wie in
Claims (15)
- Fire service lift with a lift cage (1) having a cage roof (15), a first side wall (30) and a second side wall (30),
wherein the lift cage (1) is at least partly supported and driven by at least one support means (3), characterised in that
the lift cage (1) is looped under by at least one support means (3) so that the at least one support means (3) runs along the two opposite side walls (30),
wherein the fire service lift is designed so that the lift cage (1) in an operational state reaches speeds of more than 1 metre per second and
wherein the lift cage (1) has at least one protective element (16) which is arranged substantially above a side wall (30) so that extinguishing water (14) falling onto the cage roof (15) in the case of fire is substantially prevented from wetting the at least one support means. - Fire service lift according to claim 1, with a ladder (17) arranged on an outer side of the lift cage (1).
- Fire service lift according to claim 2, wherein the ladder (17) is arranged at a cage back wall (29).
- Fire service lift according to any one of the preceding claims, wherein a balustrade (21) is arranged substantially above at least one side wall (30).
- Fire service lift according to claim 4, wherein the balustrade (21) is arranged substantially above both side walls (30).
- Fire service lift according to one of claims 4 and 5, wherein the at least one protective element (16) does not project above the balustrade (21).
- Fire service lift according to any one of claims 4 to 6, wherein the at least one protective element (16) is fastened to the balustrade (21).
- Fire service lift according to any one of claims 4 to 7, wherein the balustrade (21) comprises an upper rail (22) and a lower rail (23) and wherein the upper rail is set back above the first side wall (30) in the direction of the second side wall (30) so that the upper rail (22) does not obstruct over-travel of the lift cage (1) beyond a drive arranged substantially above the first side wall (30).
- Fire service lift according to claim 8, wherein the at least one protective element (16) above the first side wall (30) does not project above the lower rail (23) of the balustrade (21).
- Fire service lift according to any one of the preceding claims, wherein the at least protective element (16) comprises a synthetic material foil.
- Fire service lift according to any one of claims 1 to 9, wherein the at least one protective element (16) is constructed from sheet metal
- Fire service lift according to any one of the preceding claims, wherein the height of the at least one protective element (16) is between 20 centimetres and 120 centimetres.
- Fire service lift according to any one of the preceding claims, wherein the wall thickness of the at least one protective element (16) is between 1 millimetre and 10 millimetres.
- Fire service lift according to any one of the preceding claims, wherein the support means (3) is constructed as a belt with at least two tensile carriers which are embedded in a synthetic material casing.
- Fire service lift according to any one of the preceding claims, wherein a first protective element (16) is arranged substantially above a first cage side wall (30) and a second protective element (16) is arranged substantially above a second cage side wall (30).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12728470.1A EP2723669B1 (en) | 2011-06-22 | 2012-06-14 | Firefighting elevator |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11171052 | 2011-06-22 | ||
PCT/EP2012/061260 WO2012175394A1 (en) | 2011-06-22 | 2012-06-14 | Firefighting elevator |
EP12728470.1A EP2723669B1 (en) | 2011-06-22 | 2012-06-14 | Firefighting elevator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2723669A1 EP2723669A1 (en) | 2014-04-30 |
EP2723669B1 true EP2723669B1 (en) | 2016-07-13 |
Family
ID=46320930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12728470.1A Not-in-force EP2723669B1 (en) | 2011-06-22 | 2012-06-14 | Firefighting elevator |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120325582A1 (en) |
EP (1) | EP2723669B1 (en) |
CN (1) | CN103562115B (en) |
WO (1) | WO2012175394A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112013020902A2 (en) * | 2011-04-08 | 2016-10-04 | Inventio Ag | fire service lift |
KR20140082972A (en) * | 2011-10-13 | 2014-07-03 | 인벤티오 아게 | Elevator |
MX2018002380A (en) * | 2015-08-27 | 2018-04-11 | Inventio Ag | Elevator car with ladder removable from the interior. |
DE102016121742A1 (en) * | 2016-11-14 | 2018-05-17 | Thyssenkrupp Ag | Car for an elevator system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS598622B2 (en) * | 1976-05-27 | 1984-02-25 | 三菱電機株式会社 | Elevator speed control device |
JPH03120183A (en) * | 1989-10-04 | 1991-05-22 | Mitsubishi Electric Corp | Work bench for setting up elevator |
WO1998022381A1 (en) * | 1996-11-18 | 1998-05-28 | Allen Thomas H | Elevator hoistway door seal structure and drainage system for a multiple level building |
JP4245209B2 (en) * | 1998-09-03 | 2009-03-25 | 東芝エレベータ株式会社 | Elevator |
JP2003327378A (en) * | 2002-05-09 | 2003-11-19 | Toshiba Elevator Co Ltd | Duct on elevator car |
DE10297757T5 (en) * | 2002-06-20 | 2005-06-30 | Otis Elevator Co., Farmington | Security construction hallway for a cabin of a machine room-less elevator |
JP4266606B2 (en) * | 2002-09-27 | 2009-05-20 | 東芝エレベータ株式会社 | Outdoor elevator car equipment |
WO2005077804A1 (en) * | 2004-02-13 | 2005-08-25 | Mitsubishi Denki Kabushiki Kaisha | Elevator |
CN2776454Y (en) * | 2004-10-30 | 2006-05-03 | 于福洋 | Electric elevator escape system used for high-rise building |
SG123668A1 (en) * | 2004-12-10 | 2006-07-26 | Inventio Ag | Pulley arrangement for elevators |
US7510056B2 (en) * | 2005-02-18 | 2009-03-31 | Otis Elevator Company | Roof railing for an elevator car adapted to be collapsed with a handle actuating all sides at the same time |
JP2009190843A (en) * | 2008-02-15 | 2009-08-27 | Mitsubishi Electric Building Techno Service Co Ltd | Elevator system |
KR20120120238A (en) * | 2009-12-21 | 2012-11-01 | 인벤티오 아게 | Elevator system having a cabin-side extinguishing water drain system |
-
2012
- 2012-06-14 WO PCT/EP2012/061260 patent/WO2012175394A1/en active Application Filing
- 2012-06-14 EP EP12728470.1A patent/EP2723669B1/en not_active Not-in-force
- 2012-06-14 CN CN201280024775.1A patent/CN103562115B/en not_active Expired - Fee Related
- 2012-06-22 US US13/530,670 patent/US20120325582A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2723669A1 (en) | 2014-04-30 |
CN103562115A (en) | 2014-02-05 |
WO2012175394A1 (en) | 2012-12-27 |
US20120325582A1 (en) | 2012-12-27 |
CN103562115B (en) | 2016-07-06 |
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