EP2766292B1 - Lift - Google Patents

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Publication number
EP2766292B1
EP2766292B1 EP12762634.9A EP12762634A EP2766292B1 EP 2766292 B1 EP2766292 B1 EP 2766292B1 EP 12762634 A EP12762634 A EP 12762634A EP 2766292 B1 EP2766292 B1 EP 2766292B1
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EP
European Patent Office
Prior art keywords
handrail
drive unit
drive
cage
bar
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EP12762634.9A
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German (de)
French (fr)
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EP2766292A1 (en
Inventor
Hanspeter Bloch
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Inventio AG
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Inventio AG
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Publication of EP2766292A1 publication Critical patent/EP2766292A1/en
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Publication of EP2766292B1 publication Critical patent/EP2766292B1/en
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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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0081—Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car

Definitions

  • the invention relates to a lift according to the preamble of claim 1.
  • Lifts contain cabs, which are movable up and down by means of suspension means, for example in the form of carrying ropes or carrying straps, by means of a drive unit in an elevator shaft.
  • suspension means for example in the form of carrying ropes or carrying straps
  • drive unit in an elevator shaft.
  • the drive unit is usually at the top, i. in the region of the shaft head of the elevator shaft, positioned.
  • JP 2008-110863 and JP 2011-037586 show elevator cars with protections, which are each arranged on the edge of the cabin roof.
  • the WO 03/095350 A1 discloses a handrail which extends in the form of a straight, horizontal spar over an entire cabin side. Since the post carrying the spar are mounted displaceably in vertical guides, the height of the handrail can be adjusted.
  • the vertical sections of the barrier are telescopic educated.
  • the JP 2011 037586 finally shows a segmented defense consisting of simple, designed in the form of an inverted U single railings.
  • the enclosure may be arranged adjacent to a roof edge in the region of the drive unit facing side on the cabin roof.
  • the shaft height can be optimally utilized.
  • the enclosure can be arranged immediately after the roof edge on the cabin roof.
  • favorable space conditions can also be achieved if the relevant reinforcement is arranged in the overlapping area between the drive unit and the canopy on the car roof.
  • the mentioned overlap area corresponds to the shadow or the vertical projection of the drive unit on the cabin roof.
  • the elevator At least in the created by the interruption of the handrail drive receiving portion for receiving the drive unit, the elevator comprises a spar, which is arranged offset from the handrail down. The spar thus ensures minimal fall protection for people on the canopy.
  • the spar is arranged offset inwards relative to the handrail.
  • the bar is particularly preferably arranged so that it is displaced inwardly at least in the drive receiving area such that it is no longer in the overlapping area between the drive unit and car roof.
  • the shaft wall directed toward the middle of the cabin roof or in the direction of the drive unit assigned to the shaft wall means opposite shaft wall.
  • the reinforcement may preferably have at least one intermediate rod approximately halfway up the handrail.
  • the spar can extend at least in sections along a straight line parallel to the intermediate rod.
  • the enclosure may have a continuous or extending over the entire width of the Umwehung intermediate rod. But it may be particularly advantageous if the intermediate rod - in a similar or the same way as the handrail - is preferably interrupted in the middle.
  • the reinforcement can thus particularly preferably have intermediate rods on both sides of the drive receiving region.
  • the spar may at least partially extend along a straight line which is spaced from the intermediate rod. In this case, the spar can be spaced apart in the vertical direction and / or in the horizontal direction from the intermediate rod or from a straight line predetermined by the intermediate rod.
  • the enclosure may have an inner and an outer post each on both sides next to the drive receiving area.
  • a handrail section of the handrail can extend from an inner post to an outer post or join the posts together.
  • the outer posts can advantageously be arranged in corner regions on the cabin roof.
  • the space between the two inner posts can define the drive receiving area.
  • the spar can be attached to the outer post. In itself, it would also be possible to also attach the spar to the inner post, whereby a more stable and again stiffened structure for fall protection would be available. In itself, it would also be conceivable to provide a shorter spar. In this case, the horizontal spar would connect only the two inner posts.
  • the spar can each be connected to the outer and / or inner posts via preferably spacers extending approximately at right angles to the spar. In this way, the spar can be arranged offset inwards relative to the handrail in a particularly simple manner.
  • the elevator with the drive unit in operative connection bearing means for supporting the car which are guided in the vertical direction along a drive unit associated shaft wall, it may be advantageous if the drive receiving portion facing the handlebars with respect to the handrail down facing the support means and covers the suspension means (with respect to a front view of the barrier). Tests and model tests have shown that the support means together with the spar ensure adequate protection against falling even in the drive receiving area.
  • the elevator has at least one guide rail arranged on the shaft wall assigned to the drive unit for guiding the cabin and / or a counterweight, the safety for the maintenance personnel can be further increased if the drive receiving area covers the drive-side guide rail.
  • the cabin has a cabin roof, wherein the cabin roof on one side of the cabin roof comprises a barrier with a preferably approximately centrally interrupted handrail.
  • the interruption of the handrail in this case provides an area for at least partially receiving a drive unit, wherein the enclosure at least in the drive receiving area has a spar, which is offset from the handrail down.
  • the partial receipt of the drive unit may occur when the car is in a topmost position in the elevator shaft.
  • the special configuration of the enclosure does not necessarily require such a receiving position between the drive unit and the defense. It is sufficient per se if the drive unit could be accommodated in the mentioned drive receiving area or can be received.
  • FIG. 1 shows a generally designated 1 machine room elevator for a building.
  • the elevator 1 contains an up and down movable cabin 3 for the transport of persons or goods.
  • the movement of the car 3 takes place, for example, by means of suspension means designated by 13 which carry the car 3 in the form of a loop and by a 2: 1 suspension.
  • Supporting means 13 may be, for example, one or more supporting cables or carrying straps.
  • the drive unit 4 for moving the car is positioned at the shaft wall designated 14 in the region of the shaft head 17.
  • the drive unit 5 is preferably attached to the shaft wall designated 14.
  • the drive unit 4 has a traction sheave that can be rotated via an electric motor.
  • the support means 13 are obviously guided over pulleys 18 around the car 3.
  • a connected via the support means 13 to the car 3 counterweight 16 is shown.
  • a representation of other components of the elevator, such as guide rails for guiding the counterweight and the cabin, control means for controlling or regulating the drive was omitted for reasons of clarity.
  • a fall protection designated 6 is to be arranged on the cabin roof 5 in the area of the drive unit 4 associated side.
  • the drive unit 4 partially towers over the cabin 3.
  • the part of the drive unit 4 projecting beyond the cabin forms an overlapping area (or shadow in the vertical direction) on the cabin roof 5.
  • the enclosure 6, which is preferably positioned as close as possible to a roof edge 19.
  • the barrier 6 has a handrail, which is approximately in the middle in one (in the view according to FIG. 1 unrecognizable) drive receiving area for receiving the drive unit 4 is interrupted.
  • the enclosure 6 has in the mentioned by the interruption created drive receiving area on a spar, which is arranged offset from the handrail down.
  • a spar which is arranged offset from the handrail down.
  • the cab 3 is in an upper extreme position near the shaft head 17.
  • the offset down spar results in a kind of indentation in the enclosure for partially receiving the drive unit.
  • Such a high cabin position is possible only thanks to the special embodiment of the barrier 6 which will be described below.
  • the area of the cabin roof 5 inside next to the barrier 6 is designed walkable for maintenance or inspection trips for people. Due to the comparatively small gap width in the opposite shaft wall 20 no reinforcement is required on this side. Depending on the dimensions of the shaft and the cabin, it would be possible, as required, for example, to mount conventional baffles in the region of the other roof edges, for example on the opposite side, according to EN 81-1: 1998 on the cab roof.
  • FIG. 2 From the simplified perspective view according to FIG. 2 is the basic structure and the operation of the barrier according to the present invention recognizable.
  • the individual posts and bars of the enclosure are shown as simple dashes for the sake of simplicity.
  • the individual elements of the barrier ie the posts and rods, for example, by hollow sections (eg square tubes) made of metal (eg steel) or other materials are formed.
  • the enclosure running along the drive-side roof edge 19 has a handrail 7 consisting of handrail sections designated 7 'and 7 ", the respective handrail sections 7', 7" being on inner and outer posts 10 ', 11' and 10 ", 11" respectively. attach and bridge the gap between the posts.
  • the handrail 7 in the drive receiving area for receiving the drive unit 4 is interrupted, so that at least in an uppermost extreme position indicated by dashed lines drive unit 4 is received in the created by the interruption of the handrail indentation.
  • the handrail 7 is so mobile when booting the cab in a top position on the drive unit 4 over.
  • the enclosure comprises two vertical posts each on both sides of the drive receiving section.
  • the respective posts are designated on one side adjacent to the drive receiving portion with 10 'and 11' and on the other side with 10 "and 11".
  • the respective sub-reinforcement comprises an upper handrail section 7 'or 7 ", intermediate bars 9 are located approximately halfway between the individual posts, and a horizontally extending spar 8 is fastened to the outer posts 11' and 11", which is opposite the handrail 7 is arranged offset by a distance a inwardly.
  • At both ends of the spar 8 adjoining spacers 12 are arranged at right angles.
  • the horizontal intermediate rods 9 extend parallel to the spar 8.
  • the spar 8 has spacers 12 extending at right angles to the spar, by means of which it is connected to the outer posts 11 ', 11 " Posts are attached.
  • the defense 6 according to FIG. 2 differs from the one according to FIG. 1 in that the spar 8 is arranged offset from the handrail 7 by the spacers 12 inwards.
  • the spar 8 could - as in Fig. 1 - be in the same vertical plane as the posts and handrail or attached directly to the posts without the use of an intermediate piece.
  • the cab roof is easily accessible below the spar for certain work. This is especially true for the area on the cab roof 5 between the spar 8 and handrail 7.
  • the assembly personnel can, for example, tool boxes o .ae. place in this area.
  • the barrier may additionally be equipped with a skirting board, which preferably lies on the cabin roof in a vertical plane defined by the handrail 7.
  • the (not shown here) skirting in this case would therefore be approximately directly below the handrail.
  • FIG. 3 shows a view of an elevator with the inventive elevator car from the front.
  • the elevator has support means 13 for supporting the cabin, which are guided in the vertical direction along the shaft wall associated with the drive unit 4. Further, by way of example, a guide rail, indicated by 15, for guiding the cabin can be seen.
  • the present example, two support means 13 and the guide rail 15th are facing the drive receiving area and are covered by this. Since the support means 13 and guide rails 15 are in relation to the front view in the drive receiving area for receiving the drive unit 4, these associated with the shaft components 13, 15 assume a fall protection function.
  • the total height of the enclosure 6, ie the height measured from the car roof 5 to the handrail 7, is denoted by H.
  • the intermediate rods 9 are about halfway up (H / 2).
  • the distance 8 h away from the canopy 5 Holm 8 is clearly higher than the intermediate rods 9 arranged (h> H / 2).
  • FIG. 4 shows a compared to the previous embodiment modified elevator, which differs essentially in that the intermediate rods 9 extend total across the entire width.
  • the intermediate rods 9 extend total across the entire width.

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  • Cage And Drive Apparatuses For Elevators (AREA)
  • Types And Forms Of Lifts (AREA)

Description

Die Erfindung betrifft einen Aufzug gemäss dem Oberbegriff von Anspruch 1. Aufzüge enthalten Kabinen, die über Tragmittel beispielsweise in Form von Tragseilen oder Tragriemen mittels einer Antriebseinheit in einem Aufzugsschacht auf und ab bewegbar sind. Seit einiger Zeit erfreuen sich sogenannte maschinenraumlose Aufzüge wachsender Beliebtheit. Dabei handelt es sich um Aufzugsanlagen, bei denen die Antriebseinheiten nicht mehr in einem separaten Maschinenraum, sondern im Aufzugsschacht angeordnet sind. Die Antriebseinheit ist dabei in der Regel oben, d.h. im Bereich des Schachtkopfes des Aufzugsschachts, positioniert.The invention relates to a lift according to the preamble of claim 1. Lifts contain cabs, which are movable up and down by means of suspension means, for example in the form of carrying ropes or carrying straps, by means of a drive unit in an elevator shaft. For some time, so-called machine roomless elevators are enjoying increasing popularity. These are elevator systems in which the drive units are no longer arranged in a separate machine room, but in the elevator shaft. The drive unit is usually at the top, i. in the region of the shaft head of the elevator shaft, positioned.

Für bestimmte Situationen wie etwa für Wartungsarbeiten oder Inspektionen ist es erforderlich, dass Personen sich auf dem Aufzugskabinendach aufhalten. Wenn die Breite eines Spaltes zwischen Kabine und der angrenzenden Schachtwand zu gross ist, müssen zur Absturzsicherung Umwehrungen auf dem Kabinendach installiert werden. Zum Beispiel enthält die europäische Norm EN 81-1: 1998 Anweisungen mit detaillierten Vorgaben zur Ausgestaltung und Dimensionierung des Kabinendaches und der notwendigen Umwehrung.For certain situations, such as maintenance or inspection, it is necessary for people to be on the elevator car roof. If the width of a gap between the cabin and the adjacent shaft wall is too large, protections on the cabin roof must be installed for fall protection. For example, the European standard EN 81-1: 1998 contains instructions with detailed specifications for the design and dimensioning of the cab roof and the necessary protection.

Aus der EP 926 093 A1 ist ein maschinenraumloser Aufzug mit einer die Kabine teilweise überragenden Antriebseinheit bekannt geworden, in dem Vorgaben in der Art der EN 81-1: 1998 umgesetzt worden sind. Auf dem Kabinendach ist eine Umwehrung (Geländer) soweit von der Dachkante nach innen versetzt angeordnet, dass sie neben dem Überlappungsbereich bzw. Schattenwurf zwischen Antrieb und Kabinendach angeordnet ist. Diese Anordnung der Umwehrung wirkt sich negativ auf den für Personen verfügbaren Platz aus.From the EP 926 093 A1 is a machine roomless elevator with a part of the cabin superior drive unit has become known in the specifications of the type of EN 81-1: 1998 have been implemented. On the car roof, a barrier (railing) is offset so far from the roof edge inwards that it is located next to the overlap area or shadow between the drive and cabin roof. This arrangement of the enclosure has a negative effect on the space available for persons.

Die WO 03/095350 A1 , JP 2008-110863 und JP 2011-037586 zeigen Aufzugskabinen mit Umwehrungen, die jeweils randseitig auf dem Kabinendach angeordnet sind. Die WO 03/095350 A1 offenbart einen Handlauf, der sich in Form eines geraden, horizontalen Holms über eine ganze Kabinenseite erstreckt. Da die den Holm tragenden Pfosten in vertikalen Führungen verschiebbar gelagert sind, lässt sich der Handlauf in der Höhe verstellen. In der JP 2008 110863 sind die vertikalen Abschnitte der Umwehrung teleskopartig ausgebildet. Die JP 2011 037586 zeigt schliesslich eine segmentierte Umwehrung bestehend aus einfachen, in Form eines umgekehrten U ausgestalteten Einzelgeländern.The WO 03/095350 A1 . JP 2008-110863 and JP 2011-037586 show elevator cars with protections, which are each arranged on the edge of the cabin roof. The WO 03/095350 A1 discloses a handrail which extends in the form of a straight, horizontal spar over an entire cabin side. Since the post carrying the spar are mounted displaceably in vertical guides, the height of the handrail can be adjusted. In the JP 2008 110863 The vertical sections of the barrier are telescopic educated. The JP 2011 037586 finally shows a segmented defense consisting of simple, designed in the form of an inverted U single railings.

Es ist deshalb eine Aufgabe der vorliegenden Erfindung, die Nachteile des Bekannten zu vermeiden und insbesondere einen Aufzug mit einem optimierten Platzangebot auf dem Kabinendach zu schaffen.It is therefore an object of the present invention to avoid the disadvantages of the known and in particular to provide a lift with an optimized space on the cab roof.

Diese Aufgabe wird erfindungsgemäss mit einem Aufzug mit den Merkmalen des Anspruchs 1 gelöst. Die Umwehrung kann angrenzend an eine Dachkante im Bereich der der Antriebseinheit zugewandten Seite auf dem Kabinendach angeordnet sein. Dadurch, dass die Umwehrung einen vorzugsweise etwa mittig unterbrochenen Handlauf aufweist, kann die Schachthöhe optimal ausgenutzt werden. Mit der erfindungsgemässen Ausgestaltung der Umwehrung wird erreicht, dass obere Fahrpositionen der Kabine möglich sind, bei denen ein unteres Ende der Antriebseinheit tiefer als der Handlauf liegt. In einer solchen Extremposition könnte die Antriebseinheit in Bezug auf eine Seitenansicht den Handlauf nach unten überragen.This object is achieved according to the invention with a lift with the features of claim 1. The enclosure may be arranged adjacent to a roof edge in the region of the drive unit facing side on the cabin roof. The fact that the barrier has a preferably approximately centrally interrupted handrail, the shaft height can be optimally utilized. With the inventive design of the barrier is achieved that upper driving positions of the cabin are possible in which a lower end of the drive unit is lower than the handrail. In such an extreme position, the drive unit could project beyond the handrail in relation to a side view.

Die Umwehrung kann unmittelbar anschliessend zur Dachkante auf dem Kabinendach angeordnet sein. Günstige Platzverhältnisse lassen sich aber auch erreichen, wenn die betreffende Umwehrung im Überlappungsbereich zwischen Antriebseinheit und Kabinendach auf dem Kabinendach angeordnet ist. Der erwähnte Überlappungsbereich entspricht dem Schattenwurf oder der Vertikalprojektion der Antriebseinheit auf das Kabinendach. Wenigstens im durch den Unterbruch des Handlaufs geschaffenen Antriebsaufnahmebereich zur Aufnahme der Antriebseinheit umfasst der Aufzug einen Holm, der gegenüber dem Handlauf nach unten versetzt angeordnet ist. Der Holm gewährleistet so eine minimale Absturzsicherung für sich auf dem Kabinendach befindende Personen.The enclosure can be arranged immediately after the roof edge on the cabin roof. However, favorable space conditions can also be achieved if the relevant reinforcement is arranged in the overlapping area between the drive unit and the canopy on the car roof. The mentioned overlap area corresponds to the shadow or the vertical projection of the drive unit on the cabin roof. At least in the created by the interruption of the handrail drive receiving portion for receiving the drive unit, the elevator comprises a spar, which is arranged offset from the handrail down. The spar thus ensures minimal fall protection for people on the canopy.

In sicherheitstechnischer Hinsicht kann es weiter vorteilhaft sein, wenn der Holm gegenüber dem Handlauf nach innen versetzt angeordnet ist. Auf diese Weise lässt sich die Verletzungsgefahr für sich auf dem Kabinendach befindende Personen, welche beim Hochfahren der Kabine in den Bereich des Schachtkopfes von der Antriebseinheit ausgeht, reduzieren. Besonders bevorzugt ist dabei der Holm wenigstens im Antriebsaufnahmebereich soweit nach innen versetzt angeordnet, dass er nicht mehr im Überlappungsbereich zwischen Antriebseinheit und Kabinendach liegt. Nach innen bedeutet dabei zur Mitte des Kabinendachs hin gerichtet oder in Richtung der Antriebseinheit zugeordneten Schachtwand gegenüberliegenden Schachtwand.In terms of safety, it may also be advantageous if the spar is arranged offset inwards relative to the handrail. In this way, the risk of injury to persons located on the car roof, which emanates from the drive unit when the car ascends into the area of the shaft head, can be reduced. In this case, the bar is particularly preferably arranged so that it is displaced inwardly at least in the drive receiving area such that it is no longer in the overlapping area between the drive unit and car roof. Inwardly, the shaft wall directed toward the middle of the cabin roof or in the direction of the drive unit assigned to the shaft wall means opposite shaft wall.

In einer weiteren Ausführungsform kann die Umwehrung vorzugsweise etwa auf halber Höhe zum Handlauf wenigstens einen Zwischenstab aufweisen. Der Holm kann sich wenigstens abschnittsweise entlang einer zum Zwischenstab parallelen Geraden erstrecken. Die Umwehrung kann einen durchgehenden bzw. sich über die gesamte Breite der Umwehung erstreckenden Zwischenstab aufweisen. Besonders vorteilhaft kann es aber sein, wenn der Zwischenstab - auf ähnliche oder gleiche Art und Weise wie der Handlauf - vorzugsweise mittig unterbrochen ist. Die Umwehrung kann somit besonders bevorzugt beidseits des Antriebsaufnahmebereichs jeweils Zwischenstäbe aufweisen. Der Holm kann wenigstens abschnittsweise entlang einer Geraden verlaufen, die vom Zwischenstab beabstandet ist. Dabei kann der Holm in vertikaler Richtung und/oder in horizontaler Richtung vom Zwischenstab bzw. von einer durch den Zwischenstab vorgegebenen Geraden beabstandet sein.In a further embodiment, the reinforcement may preferably have at least one intermediate rod approximately halfway up the handrail. The spar can extend at least in sections along a straight line parallel to the intermediate rod. The enclosure may have a continuous or extending over the entire width of the Umwehung intermediate rod. But it may be particularly advantageous if the intermediate rod - in a similar or the same way as the handrail - is preferably interrupted in the middle. The reinforcement can thus particularly preferably have intermediate rods on both sides of the drive receiving region. The spar may at least partially extend along a straight line which is spaced from the intermediate rod. In this case, the spar can be spaced apart in the vertical direction and / or in the horizontal direction from the intermediate rod or from a straight line predetermined by the intermediate rod.

Die Umwehrung kann auf beiden Seiten neben dem Antriebsaufnahmebereich jeweils einen inneren und einen äusseren Pfosten aufweisen. Dabei kann jeweils ein Handlaufabschnitt des Handlaufs sich von einem inneren Pfosten zu einem äusseren Pfosten erstrecken bzw. die Pfosten miteinander verbinden. Die äusseren Pfosten können vorteilhaft in Eckbereichen auf dem Kabinendach angeordnet sein. Der Raum zwischen den beiden inneren Pfosten kann den Antriebsaufnahmebereich festlegen. Der Holm kann an den äusseren Pfosten befestigt sein. An sich wäre es zusätzlich auch denkbar, den Holm ebenfalls an den inneren Pfosten zu befestigen, wodurch eine stabilere und nochmals versteifte Struktur zur Absturzsicherung erhältlich wäre. An sich wäre es aber auch denkbar, einen kürzeren Holm vorzusehen. In diesem Fall würde der horizontal verlaufende Holm lediglich die beiden inneren Pfosten miteinander verbinden.The enclosure may have an inner and an outer post each on both sides next to the drive receiving area. In each case, a handrail section of the handrail can extend from an inner post to an outer post or join the posts together. The outer posts can advantageously be arranged in corner regions on the cabin roof. The space between the two inner posts can define the drive receiving area. The spar can be attached to the outer post. In itself, it would also be possible to also attach the spar to the inner post, whereby a more stable and again stiffened structure for fall protection would be available. In itself, it would also be conceivable to provide a shorter spar. In this case, the horizontal spar would connect only the two inner posts.

Der Holm kann jeweils über vorzugsweise etwa rechtwinklig zum Holm verlaufende Abstandsstücke mit den äusseren und/oder inneren Pfosten verbunden sein. Auf diese Weise kann besonders einfach der Holm gegenüber dem Handlauf nach innen versetzt angeordnet werden.The spar can each be connected to the outer and / or inner posts via preferably spacers extending approximately at right angles to the spar. In this way, the spar can be arranged offset inwards relative to the handrail in a particularly simple manner.

Wenn der Aufzug mit der Antriebseinheit in Wirkverbindung stehende Tragmittel zum Tragen der Kabine aufweist, welche in vertikaler Richtung entlang einer der Antriebseinheit zugeordneten Schachtwand geführt sind, kann es vorteilhaft sein, wenn der Antriebsaufnahmebereich mit dem gegenüber dem Handlauf nach unten versetzten Holm den Tragmitteln zugewandt ist und die Tragmittel (in Bezug auf eine Vorderansicht auf die Umwehrung) abdeckt. Tests und Modelversuche haben gezeigt, dass die Tragmittel zusammen mit dem Holm einen ausreichendenen Schutz vor Abstürzen auch im Antriebsaufnahmebereich sicherstellen.If the elevator with the drive unit in operative connection bearing means for supporting the car, which are guided in the vertical direction along a drive unit associated shaft wall, it may be advantageous if the drive receiving portion facing the handlebars with respect to the handrail down facing the support means and covers the suspension means (with respect to a front view of the barrier). Tests and model tests have shown that the support means together with the spar ensure adequate protection against falling even in the drive receiving area.

Wenn der Aufzug wenigstens eine an der der Antriebseinheit zugeordneten Schachtwand angeordnete Führungsschiene zum Führen der Kabine und/oder eines Gegengewichts aufweist, kann die Sicherheit für das Wartungspersonal weiterhin erhöht werden, wenn der Antriebsaufnahmebereich die antriebsseitige Führungsschiene abdeckt.If the elevator has at least one guide rail arranged on the shaft wall assigned to the drive unit for guiding the cabin and / or a counterweight, the safety for the maintenance personnel can be further increased if the drive receiving area covers the drive-side guide rail.

Die Kabine weist ein Kabinendach auf, wobei das Kabinendach auf einer Seite des Kabinendachs eine Umwehrung mit einem vorzugsweise etwa mittig unterbrochen Handlauf umfasst. Der Unterbruch des Handlaufs gibt dabei einen Bereich zur wenigstens teilweisen Aufnahme einer Antriebseinheit vor, wobei die Umwehrung wenigstens im Antriebsaufnahmebereich einen Holm aufweist, der gegenüber dem Handlauf nach unten versetzt angeordnet ist. Die teilweise Aufnahme der Antriebseinheit kann auftreten, wenn die Kabine sich in einer obersten Position im Aufzugsschacht befindet. Die spezielle Ausgestaltung der Umwehrung erfordert allerdings nicht zwingend eine derartige Aufnahmestellung zwischen Antriebseinheit und Umwehrung. Es ist an sich ausreichend, wenn die Antriebseinheit im erwähnten Antriebsaufnahmebereich aufgenommen werden könnte bzw. aufnehmbar ist.The cabin has a cabin roof, wherein the cabin roof on one side of the cabin roof comprises a barrier with a preferably approximately centrally interrupted handrail. The interruption of the handrail in this case provides an area for at least partially receiving a drive unit, wherein the enclosure at least in the drive receiving area has a spar, which is offset from the handrail down. The partial receipt of the drive unit may occur when the car is in a topmost position in the elevator shaft. However, the special configuration of the enclosure does not necessarily require such a receiving position between the drive unit and the defense. It is sufficient per se if the drive unit could be accommodated in the mentioned drive receiving area or can be received.

Weitere Einzelmerkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen und aus den Zeichnungen.Further individual features and advantages of the invention will become apparent from the following description of exemplary embodiments and from the drawings.

Es zeigen:

Figur 1
eine stark vereinfachte Darstellung einer Aufzugskabine in einer Seitenansicht,
Figur 2
eine vereinfachte perspektivische Darstellung auf ein Kabinendach einer Kabine für einen erfindungsgemässen Aufzug,
Figur 3
eine Vorderansicht auf die Kabine aus Figur 3, und
Figur 4
eine Variante des Aufzugs aus Figur 3.
Show it:
FIG. 1
a greatly simplified representation of an elevator car in a side view,
FIG. 2
a simplified perspective view of a cabin roof of a cabin for a lift according to the invention,
FIG. 3
a front view of the cabin FIG. 3 , and
FIG. 4
a variant of the elevator FIG. 3 ,

Figur 1 zeigt einen insgesamt mit 1 bezeichneten maschinenraumlosen Aufzug für ein Gebäude. Der Aufzug 1 enthält eine auf und ab bewegbare Kabine 3 zum Transport von Personen oder Gütern. Die Bewegung der Kabine 3 erfolgt beispielhaft über mit 13 bezeichnete Tragmittel, die die Kabine 3 in Form einer Unterschlingung tragen und über eine 2:1 Aufhängung. Tragmittel 13 können beispielsweise ein oder mehrere Tragseile oder Tragriemen sein. Selbstverständlich wären aber auch andere Aufhängungs-Konfigurationen denkbar. Die Antriebseinheit 4 zum Bewegen der Kabine ist an der mit 14 bezeichneten Schachtwand im Bereich des Schachtkopfes 17 positioniert. Die Antriebseinheit 5 ist dabei bevorzugt an der mit 14 bezeichneten Schachtwand befestigt. Die Antriebseinheit 4 weist beispielhaft eine über einen Elektromotor drehbare Treibscheibe auf. Die Tragmittel 13 sind ersichtlicherweise über Umlenkrollen 18 um die Kabine 3 geführt. In Figur 1 ist weiterhin ein über die Tragmittel 13 mit der Kabine 3 verbundenes Gegengewicht 16 dargestellt. Auf eine Darstellung weiterer Komponenten des Aufzugs, wie etwa Führungsschienen zum Führen des Gegengewichts und der Kabine, Steuermittel zum Ansteuern oder Regeln des Antriebs, wurde aus Gründen der besseren Übersichtlichkeit verzichtet. FIG. 1 shows a generally designated 1 machine room elevator for a building. The elevator 1 contains an up and down movable cabin 3 for the transport of persons or goods. The movement of the car 3 takes place, for example, by means of suspension means designated by 13 which carry the car 3 in the form of a loop and by a 2: 1 suspension. Supporting means 13 may be, for example, one or more supporting cables or carrying straps. Of course, other suspension configurations would be conceivable. The drive unit 4 for moving the car is positioned at the shaft wall designated 14 in the region of the shaft head 17. The drive unit 5 is preferably attached to the shaft wall designated 14. By way of example, the drive unit 4 has a traction sheave that can be rotated via an electric motor. The support means 13 are obviously guided over pulleys 18 around the car 3. In FIG. 1 Furthermore, a connected via the support means 13 to the car 3 counterweight 16 is shown. A representation of other components of the elevator, such as guide rails for guiding the counterweight and the cabin, control means for controlling or regulating the drive was omitted for reasons of clarity.

Zwischen der antriebsseitigen Kabinenseitenwand 22 und der mit 14 bezeichneten, antriebsseitigen Schachtwand wird ein vergleichsweise grosser Spaltraum gebildet, weshalb als Absturzsicherung eine mit 6 bezeichnete Umwehrung im Bereich der der Antriebseinheit 4 zugeordneten Seite auf dem Kabinendach 5 anzuordnen ist. Ersichtlicherweise überragt die Antriebseinheit 4 die Kabine 3 teilweise. Der die Kabine überragende Teil der Antriebseinheit 4 bildet einen Überlappungsbereich (oder Schattenwurf in vertikaler Richtung) auf dem Kabinendach 5. Innerhalb dieses Überlappungsbereichs befindet sich die Umwehrung 6, die vorzugsweise möglichst nahe an einer Dachkante 19 positioniert ist. Die Umwehrung 6 weist einen Handlauf auf, der etwa mittig in einem (in der Ansicht gemäss Figur 1 nicht erkennbaren) Antriebsaufnahmebereich zur Aufnahme der Antriebseinheit 4 unterbrochen ist. Die Umwehrung 6 weist im erwähnten durch den Unterbruch geschaffenen Antriebsaufnahmebereich einen Holm auf, der gegenüber dem Handlauf nach unten versetzt angeordnet ist. In der Darstellung gemäss Figur 1 befindet sich die Kabine 3 in einer oberen Extremposition nahe dem Schachtkopf 17. Durch den nach unten versetzten Holm ergibt sich eine Art Einbuchtung in der Umwehrung zur teilweisen Aufnahme der Antriebseinheit. Eine derart hohe Kabinenposition ist nur Dank der nachfolgend noch beschriebenen speziellen Ausgestaltung der Umwehrung 6 möglich.Between the drive-side cabin side wall 22 and the drive-side shaft wall labeled 14, a comparatively large gap space is formed, which is why a fall protection designated 6 is to be arranged on the cabin roof 5 in the area of the drive unit 4 associated side. Evidently, the drive unit 4 partially towers over the cabin 3. The part of the drive unit 4 projecting beyond the cabin forms an overlapping area (or shadow in the vertical direction) on the cabin roof 5. Within this overlapping area is the enclosure 6, which is preferably positioned as close as possible to a roof edge 19. The barrier 6 has a handrail, which is approximately in the middle in one (in the view according to FIG. 1 unrecognizable) drive receiving area for receiving the drive unit 4 is interrupted. The enclosure 6 has in the mentioned by the interruption created drive receiving area on a spar, which is arranged offset from the handrail down. In the illustration according to FIG. 1 the cab 3 is in an upper extreme position near the shaft head 17. The offset down spar results in a kind of indentation in the enclosure for partially receiving the drive unit. Such a high cabin position is possible only thanks to the special embodiment of the barrier 6 which will be described below.

Der Bereich des Kabinendachs 5 innen neben der Umwehrung 6 ist für Wartungsarbeiten oder Inspektionsfahrten für Personen begehbar ausgestaltet. Durch die vergleichsweise geringe Spaltbreite bei der gegenüberliegenden Schachtwand 20 ist auf dieser Seite keine Umwehrung erforderlich. Je nach Dimensionierung des Schachtes und der Kabine könnten je nach Bedarf im Bereich der anderen Dachkanten, beispielsweise auf der gegenüberliegenden Seite vorzugsweise konventionelle Umwehrungen beispielsweise gemäss EN 81-1: 1998 auf dem Kabinendach angebracht werden.The area of the cabin roof 5 inside next to the barrier 6 is designed walkable for maintenance or inspection trips for people. Due to the comparatively small gap width in the opposite shaft wall 20 no reinforcement is required on this side. Depending on the dimensions of the shaft and the cabin, it would be possible, as required, for example, to mount conventional baffles in the region of the other roof edges, for example on the opposite side, according to EN 81-1: 1998 on the cab roof.

Aus der vereinfachten perspektivischen Darstellung gemäss Figur 2 ist der grundsätzliche Aufbau und die Wirkungsweise der Umwehrung nach der vorliegenden Erfindung erkennbar. Die einzelnen Pfosten und Stäbe der Umwehrung sind der Einfachheit halber als einfache Striche dargestellt. In der Praxis werden die einzelnen Elemente der Umwehrung, d.h. die Pfosten und Stäbe, beispielsweise durch Hohlprofile (z.B. Vierkantrohre) aus Metall (z.B. Stahl) oder anderen Materialien gebildet.From the simplified perspective view according to FIG. 2 is the basic structure and the operation of the barrier according to the present invention recognizable. The individual posts and bars of the enclosure are shown as simple dashes for the sake of simplicity. In practice, the individual elements of the barrier, ie the posts and rods, for example, by hollow sections (eg square tubes) made of metal (eg steel) or other materials are formed.

Die entlang der antriebsseitigen Dachkante 19 verlaufende Umwehrung weist einen Handlauf 7 bestehend aus mit 7' und 7" bezeichneten Handlaufabschnitten auf. Die jeweiligen Handlaufabschnitte 7', 7" sind an inneren und äusseren Pfosten 10', 11' bzw. 10", 11" befestigt und überbrücken den Abstand zwischen den Pfosten. Der Handlauf 7 im Antriebsaufnahmebereich zur Aufnahme der Antriebseinheit 4 unterbrochen, so dass wenigstens in einer obersten Extremposition die mit strichlierten Linien angedeutete Antriebseinheit 4 in der durch den Unterbruch des Handlaufs geschaffenen Einbuchtung aufgenommen ist. Der Handlauf 7 ist so beim Hochfahren der Kabine in eine oberste Position an der Antriebseinheit 4 vorbei fahrbar.The enclosure running along the drive-side roof edge 19 has a handrail 7 consisting of handrail sections designated 7 'and 7 ", the respective handrail sections 7', 7" being on inner and outer posts 10 ', 11' and 10 ", 11" respectively. attach and bridge the gap between the posts. The handrail 7 in the drive receiving area for receiving the drive unit 4 is interrupted, so that at least in an uppermost extreme position indicated by dashed lines drive unit 4 is received in the created by the interruption of the handrail indentation. The handrail 7 is so mobile when booting the cab in a top position on the drive unit 4 over.

Die Umwehrung umfasst auf beiden Seiten des Antriebsaufnahmeabschnitt jeweils zwei senkrechte Pfosten. Die jeweiligen Pfosten sind auf einer Seite neben dem Antriebsaufnahmeabschnitt mit 10' und 11' und auf der anderen Seite mit 10" und 11" bezeichnet. Die jeweilige Teilumwehrung enthält einen oberen Handlaufabschnitt 7' bzw. 7". Etwa auf halber Höhe befinden sich jeweils Zwischenstäbe 9 zwischen den einzelnen Pfosten. An den äusseren Pfosten 11' und 11" ist ein horizontal verlaufender Holm 8 befestigt, der gegenüber dem Handlauf 7 um einen Abstand a nach innen versetzt angeordnet ist. An beiden Enden des Holms 8 sind im rechten Winkel anschliessende Abstandsstücke 12 angeordnet. Die horizontalen Zwischenstäbe 9 verlaufen parallel zum Holm 8. Der Holm 8 weist hierzu rechtwinklig zum Holm verlaufende Abstandsstücke 12 auf, über die er mit den äusseren Pfosten 11', 11" verbunden ist. Der Holm 8 kann beispielsweise durch Anschweissen oder mittels Schrauben an den Pfosten befestigt werden.The enclosure comprises two vertical posts each on both sides of the drive receiving section. The respective posts are designated on one side adjacent to the drive receiving portion with 10 'and 11' and on the other side with 10 "and 11". The respective sub-reinforcement comprises an upper handrail section 7 'or 7 ", intermediate bars 9 are located approximately halfway between the individual posts, and a horizontally extending spar 8 is fastened to the outer posts 11' and 11", which is opposite the handrail 7 is arranged offset by a distance a inwardly. At both ends of the spar 8 adjoining spacers 12 are arranged at right angles. The horizontal intermediate rods 9 extend parallel to the spar 8. For this purpose, the spar 8 has spacers 12 extending at right angles to the spar, by means of which it is connected to the outer posts 11 ', 11 " Posts are attached.

Die Umwehrung 6 gemäss Figur 2 unterscheidet sich von derjenigen gemäss Figur 1 dadurch, dass der Holm 8 gegenüber dem Handlauf 7 durch die Abstandsstücke 12 nach innen versetzt angeordnet ist. Theoretisch könnte der Holm 8 - wie in Fig. 1 - in der gleichen vertikalen Ebene wie die Pfosten und Handlauf verlaufen oder ohne Einsatz eines Zwischenstückes direkt seitlich an die Pfosten angebracht werden. Trotz des nach innen versetzten Holms 8 haben Personen ausreichend Platz auf dem Kabinendach 5. Das Kabinendach ist unterhalb des Holms für bestimmte Arbeiten einfach zugänglich Dies gilt insbesondere für den Bereich auf dem Kabinendach 5 zwischen Holm 8 und Handlauf 7. Das Montagepersonal kann beispielsweise Werkzeugkisten o.ä. in diesen Bereich platzieren. Je nach Bedarf kann die Umwehrung zusätzlich mit einer Fussleiste ausgerüstet sein, die auf dem Kabinendach vorzugsweise in einer durch den Handlauf 7 vorgegeben vertikalen Ebene liegt. Die (hier nicht dargestellte) Fussleiste würde in diesem Fall also etwa direkt unterhalb des Handlaufs liegen. Es wäre allerdings auch vorstellbar, die Fussleiste - in gleicher Weise wie der Holm - gegenüber dem Handlauf nach innen versetzt anzuordnen.The defense 6 according to FIG. 2 differs from the one according to FIG. 1 in that the spar 8 is arranged offset from the handrail 7 by the spacers 12 inwards. Theoretically, the spar 8 could - as in Fig. 1 - be in the same vertical plane as the posts and handrail or attached directly to the posts without the use of an intermediate piece. The cab roof is easily accessible below the spar for certain work. This is especially true for the area on the cab roof 5 between the spar 8 and handrail 7. The assembly personnel can, for example, tool boxes o .ae. place in this area. Depending on requirements, the barrier may additionally be equipped with a skirting board, which preferably lies on the cabin roof in a vertical plane defined by the handrail 7. The (not shown here) skirting in this case would therefore be approximately directly below the handrail. However, it would also be conceivable to arrange the skirting board - in the same way as the spar - offset inwards relative to the handrail.

Figur 3 zeigt eine Ansicht auf einen Aufzug mit der erfindungsgemässen Aufzugskabine von vorne. Der Aufzug weist Tragmittel 13 zum Tragen der Kabine auf, die in vertikaler Richtung entlang der der Antriebseinheit 4 zugeordneten Schachtwand geführt sind. Weiter ist beispielhaft eine mit 15 angedeutete Führungsschiene zum Führen der Kabine erkennbar. Die vorliegend beispielhaft zwei Tragmittel 13 sowie die Führungsschiene 15 sind dem Antriebsaufnahmebereich zugewandt und werden von diesem abgedeckt. Da die Tragmittel 13 und Führungsschienen 15 in Bezug auf die Vorderansicht im Antriebsaufnahmebereich zur Aufnahme der Antriebseinheit 4 liegen, können diese dem Schacht zugeordneten Komponenten 13, 15 eine Absturzschutz-Funktion übernehmen. Die Gesamthöhe der Umwehrung 6, d.h. die Höhe gemessen vom Kabinendach 5 bis zum Handlauf 7, ist mit H bezeichnet. Die Zwischenstäbe 9 liegen etwa auf halber Höhe (H/2). Der um einen Abstand h vom Kabinendach 5 entfernte Holm 8 ist ersichlicherweise höher als die Zwischenstäbe 9 angeordnet (h > H/2). FIG. 3 shows a view of an elevator with the inventive elevator car from the front. The elevator has support means 13 for supporting the cabin, which are guided in the vertical direction along the shaft wall associated with the drive unit 4. Further, by way of example, a guide rail, indicated by 15, for guiding the cabin can be seen. The present example, two support means 13 and the guide rail 15th are facing the drive receiving area and are covered by this. Since the support means 13 and guide rails 15 are in relation to the front view in the drive receiving area for receiving the drive unit 4, these associated with the shaft components 13, 15 assume a fall protection function. The total height of the enclosure 6, ie the height measured from the car roof 5 to the handrail 7, is denoted by H. The intermediate rods 9 are about halfway up (H / 2). The distance 8 h away from the canopy 5 Holm 8 is clearly higher than the intermediate rods 9 arranged (h> H / 2).

Figur 4 zeigt einen gegenüber dem vorhergehenden Ausführungsbeispiel modifizierten Aufzug, der sich im Wesentlichen dadurch unterscheidet, dass die Zwischenstäbe 9 sich gesamthaft über die gesamte Breite erstrecken. Anstatt der in Figur 4 gezeigten drei Zwischenstäbe 9, bei denen äussere Zwischenstäbe die äusseren mit den inneren Pfosten und ein mittlerer Zwischenstab die beiden inneren Pfosten miteinander verbinden, wäre es auch denkbar einem durchgehenden Zwischenstab vorzusehen. FIG. 4 shows a compared to the previous embodiment modified elevator, which differs essentially in that the intermediate rods 9 extend total across the entire width. Instead of in FIG. 4 shown three intermediate rods 9, in which outer intermediate rods connect the outer with the inner posts and a middle intermediate rod, the two inner posts together, it would also be possible to provide a continuous intermediate rod.

Claims (7)

  1. Lift with a cage (3), which is movable in a lift shaft (2) and has a cage roof (5), a drive unit (4) for moving the cage, the drive unit being arranged in the region of a shaft head (17) in the lift shaft (2) and projecting at least partly beyond the cage (3), and a protection device (6) arranged on the cage roof (5) in the region of the side facing the drive unit, characterised in that the protection device (6) comprises a handrail (7) which is interrupted preferably approximately centrally in a drive receiving region and that the protection device (6) has at least in the drive receiving region a bar (8) which is arranged to be downwardly offset relative to the handrail (7).
  2. Lift according to claim 1, characterised in that the bar (8) is arranged to be offset inwardly relative to the handrail (7).
  3. Lift according to claim 1 or 2, characterised in that the protection device (6) comprises at least one intermediate rod (9) preferably at approximately half the height of the handrail (7) and that the bar (8) extends at least in a section along a straight line parallel to the intermediate rod or to the intermediate rods (9).
  4. Lift according to any one of claims 1 to 3, characterised in that the protection device (6) has a respective inner and outer post (10', 11'; 10", 11") on either side near the drive receiving region, wherein a respective handrail section (7', 7") of the handrail (7) extends from an inner post (10', 10") to an outer post (11', 11") and wherein the drive receiving region lies between the two inner posts (10', 10"), and that the bar (8) is fastened to the outer posts (11', 11").
  5. Lift according to claim 4, characterised in that the bar (8) is connected with each of the outer posts (11', 11") by way of a respective spacer member (12) preferably extending at right angles to the bar.
  6. Lift according to any one of claims 1 to 5, characterised in that it comprises support means (13), which are in operative connection with the drive unit, for supporting the cage (3), which support means are guided in vertical direction along a shaft wall (14) associated with the drive unit (4), and the drive receiving region covers the support means (13).
  7. Lift according to any one of claims 1 to 6, characterised in that it further comprises at least one guide rail (15), which is arranged at the shaft wall (14) associated with the drive unit (4), for guiding the cage (3) and/or a counterweight, wherein the drive receiving region covers the guide rail (15) at the drive side.
EP12762634.9A 2011-10-13 2012-09-27 Lift Active EP2766292B1 (en)

Priority Applications (1)

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EP12762634.9A EP2766292B1 (en) 2011-10-13 2012-09-27 Lift

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EP11184983 2011-10-13
PCT/EP2012/069131 WO2013053606A1 (en) 2011-10-13 2012-09-27 Elevator
EP12762634.9A EP2766292B1 (en) 2011-10-13 2012-09-27 Lift

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KR (1) KR20140082972A (en)
CN (1) CN103857615B (en)
BR (1) BR112014008542A2 (en)
CA (1) CA2850574A1 (en)
ES (1) ES2583803T3 (en)
HK (1) HK1198986A1 (en)
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WO2013053606A1 (en) 2013-04-18
PT2766292T (en) 2016-07-29
CN103857615A (en) 2014-06-11
CA2850574A1 (en) 2013-04-18
IN2014CN02620A (en) 2015-08-07
CN103857615B (en) 2016-03-02
MX343195B (en) 2016-10-27
HK1198986A1 (en) 2015-06-19
US9174825B2 (en) 2015-11-03
KR20140082972A (en) 2014-07-03
EP2766292A1 (en) 2014-08-20
ES2583803T3 (en) 2016-09-22
US20130092479A1 (en) 2013-04-18
MX2014004188A (en) 2014-08-01
BR112014008542A2 (en) 2017-04-18

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