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EP1052212A1 - Device for carrying out work in an elevator shaft - Google Patents

Device for carrying out work in an elevator shaft Download PDF

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Publication number
EP1052212A1
EP1052212A1 EP00109499A EP00109499A EP1052212A1 EP 1052212 A1 EP1052212 A1 EP 1052212A1 EP 00109499 A EP00109499 A EP 00109499A EP 00109499 A EP00109499 A EP 00109499A EP 1052212 A1 EP1052212 A1 EP 1052212A1
Authority
EP
European Patent Office
Prior art keywords
maintenance
shaft
elevator
elevator car
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00109499A
Other languages
German (de)
French (fr)
Other versions
EP1052212B1 (en
Inventor
Rolf Masch.-Ing. Müller
Hanspeter El.-Ing. Bloch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inventio AG
Original Assignee
Inventio AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inventio AG filed Critical Inventio AG
Priority to EP00109499A priority Critical patent/EP1052212B1/en
Publication of EP1052212A1 publication Critical patent/EP1052212A1/en
Application granted granted Critical
Publication of EP1052212B1 publication Critical patent/EP1052212B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B66B5/28—Buffer-stops for cars, cages, or skips
    • B66B5/288—Buffer-stops for cars, cages, or skips with maintenance features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel

Definitions

  • the invention relates to a device for executing Working in an elevator shaft with shortened Shaft head, in which elevator shaft a counterweight and an elevator car with a maintenance platform can be moved from executable from maintenance work on shaft equipment are.
  • a disadvantage of the known device is that the cabin wall supporting the platform is mechanically reinforced must be and also fittings for folding and locking of the pedestal are necessary on which the elevator users get caught with clothing or objects because the platform is in the lounge area of the Elevator user is located.
  • the invention seeks to remedy this.
  • the invention as characterized in claim 1, solves the problem to avoid the disadvantages of the known device and a facility for working in an elevator shaft too create that neither for the maintenance staff nor for the Elevator users in the elevator car pose a danger.
  • the advantages achieved by the invention are in essential to see that for the Elevator car users are at no risk of sticking to parts to injure the maintenance platform because the maintenance platform itself outside the lounge area of the Elevator car users on the roof of the elevator car located.
  • the cabin interior is through the maintenance platform not affected. This is sales strategy aesthetic presentation of the cabin interior of large economic importance.
  • the maintenance platform comes this Requirement for example through the invisible arrangement completely opposite the maintenance platform.
  • the maintenance platform also has an increased load capacity, so in the shaft too assembling or disassembling parts on the maintenance platform can be stored temporarily.
  • the location of the maintenance platform on the roof of the elevator car can be chosen so that the maintenance platform is not arranged in the shaft head Shaft equipment is towered over, the maintenance platform has a sufficiently large footprint.
  • the location, the sufficient footprint and increased load capacity of the Maintenance platform ensure the safety of the Maintenance personnel.
  • the use of the Cabin roofs necessary as a maintenance platform Safety device extremely easy to use and quickly operational without any effort.
  • Another advantage is that during maintenance work the inside of the cabin, in particular the cabin walls are not scratched or be damaged because the maintenance platform is not in the Elevator car is located. With an elevator shaft with shortened shaft head is the safety of the Maintenance personnel also in a maintenance position of the Elevator cabin below the top floor guaranteed.
  • FIG. 1 A machine room-less elevator is shown in FIG. 1.
  • 1 is a limited by shaft walls 1.1 Designated elevator shaft, in which an elevator car 2 and a counterweight 3 can be moved.
  • a traction sheave 5 is arranged with a drive, not shown, is connected.
  • the Traction sheave 5 and / or the drive is, for example, from worn on a wall or ceiling bracket.
  • Has a suspension cable 6 a rope course, for example, from a first fixed point 6.1 via two deflection rollers 6.2, 6.3 of the elevator car 2, further over the traction sheave 5, further over a Deflection roller 6.4 of the counterweight 3 and on to one second fixed point 6.5.
  • the roof of the elevator car is a maintenance platform 10 trained, from which maintenance staff 11 work in Can execute elevator shaft 1, such as Maintenance work on traction sheave 5, guide rails, Shaft switch, drive, suspension cable 6, etc.
  • Elevator car 2 and counterweight 3 are in two different locations shown. With a broken line the elevator system is shown in normal operation, the Elevator car 2 on the top floor 1.3 with the corresponding lowest position of the counterweight 3 barely is shown standing over a buffer device 12.
  • the elevator system is in full service operation shown.
  • the machine room-less elevator system shown offers with its shortened shaft head 4 for maintenance from the canopy 2.1 not enough height H for one legal crossing Ü (distance between Canopy 2.1 and shaft ceiling 1.2) of, for example one meter.
  • Ü distance between Canopy 2.1 and shaft ceiling 1.2
  • the counterweight 3 When the elevator car 2 is empty, the counterweight 3 is opposite the eye cabin 2 overweight and can become pulling the elevator car 2 down at the same time move. Without safety device 13 there is a risk that that the counterweight 3 except for the buffer device 12 lowered and located on the maintenance platform 10 Maintenance personnel 11 due to the shortened shaft head 4 endangered. With the safety device 13 is the way of the counterweight 3 limited to a height that the required crossing Ü between canopy 2.1 and Manhole cover 1.2 is guaranteed in every case.
  • the safety device 13 has a first Design variant a monitored, height adjustable Support 13.1, for example by means of a spindle 13.2 is adjustable in height.
  • the spindle 13.2 is one Motor 13.3 driven.
  • the one intended as a route limitation Safety device 13 is activated as follows: If the elevator car 2 at most on the second uppermost Floor 1.4 stands, the motor 13.3 by means of a Elevator control AS and by means of a first switch 13.4 be turned on in the upward direction. The support 13.1 moves upwards until a first limit switch 13.5 is operated, which opens a first contact 13.51, one second contact 13.52 closes and the motor 13.3 off. The support 13.1 is now in the for Crossing Ü correct security position. Then it will Counterweight 3 by means of elevator control AS and drive slowly lowered until a second, the location of the support 13.1 detecting limit switch 13.7 by means of Counterweight 3 is operated.
  • the second limit switch 13.7 opens a third contact 13.71, causing the Elevator drive is switched off.
  • the counterweight 3 lies on the support 13.1, the elevator car 2 not can move up further.
  • the elevator car 2 is now secured against any further upward movement.
  • the Working in elevator shaft 1 can now be done safely be carried out.
  • the elevator car 2 is at least on the second uppermost Floor 1.4 lowered and the engine 13.3 by means of Elevator control AS and by means of a second switch 13.8 switched in the downward direction.
  • the support 13.1 moves until it moves out of the way of the counterweight 3 is in normal operation.
  • Fig. 2 shows a serving as a safety device 13 manual support 13.1 that in the path of the Counterweight 3 is manually pivotable. With interrupted The rest position of the support 13.1 is shown in the line is monitored by means of limit switch 13.7 and contact 13.71. Normal operation of the elevator system is only in the rest position of the Support 13.1 possible. So that the security of the Maintenance personnel 11 is guaranteed in any case can be provided a further limit switch, the Working position of the support 13.1 monitored.
  • the support 13.1 is pivotable about a pivot point D1 and along a Support 13.11 adjustable in height.
  • the manual support 13.1 can also on the shaft wall 1.1 be screwable or for example in the shaft wall 1.1 arranged anchor rails can be suspended.
  • Fig. 3 shows a serving as a safety device 13 Height-adjustable buffer device consisting of buffer 12 and lifting device 12.1.
  • the buffer is used 12 in the working position shown as a support 13.1.
  • the Working position of the buffer 12 is by means of limit switches 13.7 and contact 13.71 and the rest position of the buffer 12 by means of Limit switch 13.9 and contact 13.91 monitored and if exceptional operating conditions are detected, the elevator control AS switches the elevator system off.
  • the lifting device 12.1 the scissors principle. It can be manual or motorized or be drivable by means of cylinders and pressure medium.
  • the Lifting device 12.1 can also be telescopic, for example be constructed.
  • the above-mentioned safety device 13 can instead on the counterweight side in the cabin head 4 to be ordered.
  • 13 also a device for extending the suspension cable 6 be provided.
  • the facility at least postpones a fixed point 6.1.6.5 downwards. Through the Displacement of the fixed rope point from the shaft ceiling 1.2 the effective suspension cable length is increased away. With an extended suspension rope 6, the regulations Crossing Ü are observed because the elevator car 2 in the upper end position is less high.
  • the suspension cable extension can also be moved at least the traction sheave 5 can be reached downwards.

Landscapes

  • Heat Treatment Of Articles (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The lift arrangement has a counter weight and a lift cabin (2) that can be moved with a maintenance platform (10). The roof the lift cabin serves as the maintenance platform. A maintenance operation safety device (13) ensures a specified distance (U) between the cabin roof (2.1) and the shaft ceiling (1.2) for the safety of the maintenance personnel and secures the lift cabin against any further u(upward movement.

Description

Die Erfindung betrifft eine Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht mit verkürztem Schachtkopf, in welchem Aufzugsschacht ein Gegengewicht und eine Aufzugskabine mit Wartungsbühne verfahrbar sind, von der aus Wartungsarbeiten an Schachtausrüstung ausführbar sind.The invention relates to a device for executing Working in an elevator shaft with shortened Shaft head, in which elevator shaft a counterweight and an elevator car with a maintenance platform can be moved from executable from maintenance work on shaft equipment are.

Aus der Schrift JP 05097357 ist eine Einrichtung für den Unterhalt von Schachtausrüstung einer Aufzugsanlage bekannt geworden. In einer Aufzugskabine ist ein aus der Kabinenwand klappbares Podest vorgesehen, das als Standfläche für das Unterhaltspersonal während den Unterhaltsarbeiten dient. Im Dach der Aufzugskabine ist eine mittels Deckel verschliessbare Luke vorgesehen, die den Zugang zur Schachtausrüstung gewährt. Das Unterhaltspersonal stellt sich auf das Podest und kann mit aus der Kabine ragendem Oberkörper die Arbeiten im Schacht ausführen.From the document JP 05097357 is a device for the Maintenance of shaft equipment of an elevator system known become. In an elevator car there is one out of the Cabin wall folding platform provided that as Stand area for maintenance staff during the Serves maintenance work. In the roof of the elevator car a hatch that can be closed by means of a lid is provided granted access to the shaft equipment. The Maintenance personnel stand on the pedestal and can join work in the shaft protruding from the cabin To run.

Ein Nachteil der bekannten Einrichtung liegt darin, dass die das Podest tragende Kabinenwand mechanisch verstärkt werden muss und zudem Beschläge zum Klappen und Feststellen des Podests notwendig sind, an denen die Aufzugsbenutzer mit Kleidungsstücken oder Gegenständen hängen bleiben können, weil das Podest sich im Aufenthaltsbereich der Aufzugsbenutzer befindet.A disadvantage of the known device is that the cabin wall supporting the platform is mechanically reinforced must be and also fittings for folding and locking of the pedestal are necessary on which the elevator users get caught with clothing or objects because the platform is in the lounge area of the Elevator user is located.

Hier will die Erfindung Abhilfe schaffen. Die Erfindung, wie sie in Anspruch 1 gekennzeichnet ist, löst die Aufgabe, die Nachteile der bekannten Einrichtung zu vermeiden und eine Einrichtung für Arbeiten in einem Aufzugsschacht zu schaffen, die weder für das Unterhaltspersonal noch für die Aufzugsbenutzer in der Aufzugskabine eine Gefahr darstellt.The invention seeks to remedy this. The invention, as characterized in claim 1, solves the problem to avoid the disadvantages of the known device and a facility for working in an elevator shaft too create that neither for the maintenance staff nor for the Elevator users in the elevator car pose a danger.

Die durch die Erfindung erreichten Vorteile sind im wesentlichen darin zu sehen, dass für die Aufzugskabinenbenutzer keine Gefahr besteht, sich an Teilen der Wartungsbühne zu verletzen, weil die Wartungsbühne sich ausserhalb des Aufenthaltsbereiches der Aufzugskabinenbenutzer auf dem Dach der Aufzugskabine befindet. Das Kabineninterieur wird durch die Wartungsbühne nicht beeinträchtigt. Verkaufsstrategisch ist die ästhetische Aufmachung des Kabineninterieurs von grosser wirtschaftlicher Bedeutung. Die Wartungsbühne kommt dieser Forderung beispielsweise durch die unsichtbare Anordnung der Wartungsbühne voll und ganz entgegen. Die Wartungsbühne hat auch eine erhöhte Tragfähigkeit, sodass im Schacht zu montierende oder demontierte Teile auf der Wartungsbühne zwischengelagert werden können. Die Lage der Wartungsbühne auf dem Dach der Aufzugskabine kann so gewählt werden, dass die Wartungsbühne nicht von im Schachtkopf angeordneter Schachtausrüstung überragt wird, wobei die Wartungsbühne eine ausreichend grosse Standfläche hat. Die Lage, die ausreichende Standfläche und die erhöhte Tragfähigkeit der Wartungsbühne gewährleisten die Sicherheit des Unterhaltspersonal. Ausserdem ist die zur Benutzung des Kabinendaches als Wartungsbühne notwendige Sicherheitseinrichtung äusserst einfach in der Bedienung und ohne Aufwand rasch betriebsbereit. Weiter vorteilhaft ist, dass bei Wartungsarbeiten das Kabineninnere, insbesondere die Kabinenwände nicht zerkratzt oder beschädigt werden, weil sich die Wartungsbühne nicht in der Aufzugskabine befindet. Bei einem Aufzugsschacht mit verkürztem Schachtkopf ist die Sicherheit des Unterhaltspersonals auch bei einer Wartungsposition der Aufzugskabine unterhalb des obersten Stockwerkhalts gewährleistet.The advantages achieved by the invention are in essential to see that for the Elevator car users are at no risk of sticking to parts to injure the maintenance platform because the maintenance platform itself outside the lounge area of the Elevator car users on the roof of the elevator car located. The cabin interior is through the maintenance platform not affected. This is sales strategy aesthetic presentation of the cabin interior of large economic importance. The maintenance platform comes this Requirement for example through the invisible arrangement completely opposite the maintenance platform. The maintenance platform also has an increased load capacity, so in the shaft too assembling or disassembling parts on the maintenance platform can be stored temporarily. The location of the maintenance platform on the roof of the elevator car can be chosen so that the maintenance platform is not arranged in the shaft head Shaft equipment is towered over, the maintenance platform has a sufficiently large footprint. The location, the sufficient footprint and increased load capacity of the Maintenance platform ensure the safety of the Maintenance personnel. In addition, the use of the Cabin roofs necessary as a maintenance platform Safety device extremely easy to use and quickly operational without any effort. Another advantage is that during maintenance work the inside of the cabin, in particular the cabin walls are not scratched or be damaged because the maintenance platform is not in the Elevator car is located. With an elevator shaft with shortened shaft head is the safety of the Maintenance personnel also in a maintenance position of the Elevator cabin below the top floor guaranteed.

Erreicht wird dies mittels Begrenzung des Kabinen- und/oder Gegegengewichtfahrweges oder mittels Tragseilverlängerung bei Wartungsbetrieb. Durch die in den abhängigen Ansprüchen aufgeführten Massnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Anspruch 1 angegebenen Einrichtung möglich. Besonders vorteilhaft ist es, mittels der Sicherheitseinrichtung den Fahrweg der Aufzugskabine oder des Gegengewichtes oder auch beider zu begrenzen. Bei Begrenzung des Fahrweges des Gegengewichtes nach unten, kann sich die damit verbundene Aufzugskabine nicht mehr, weder selbstständig noch bei Inbetriebnahme des Antriebsmotors nach oben bewegen, da bei blockiertem Gegengewicht die Seile an der Treibscheibe durchrutschen würden.This is achieved by limiting the cabin and / or Counterweight travel path or by means of an extension cable during maintenance operation. By in the dependent claims The measures listed are advantageous further training and improvements to those specified in claim 1 Setup possible. It is particularly advantageous by means of the safety device the path of the elevator car or to limit the counterweight or both. at Limiting the travel of the counterweight downwards, the associated elevator car can no longer neither independently nor when commissioning the Move the drive motor upwards, because if it is blocked Counterweight slide the ropes on the traction sheave would.

Im folgenden wird die Erfindung anhand von ein Ausführungsbeispiel darstellenden Zeichnungen näher erläutert.In the following the invention is based on a Exemplary embodiment drawings closer explained.

Es zeigen:

Fig. 1
eine schematische Darstellung einer Aufzugsanlage mit einer in einem Aufzugsschacht mit verkürztem Schachtkopf verfahrbaren Aufzugskabine mit Wartungsbühne und einem im Aufzugsschacht verfahrbaren Gegengewicht,
Fig. 2
Einzelheiten eines als Sicherheitseinrichtung dienendes, manuelles Auflager und
Fig. 3
eine als Sicherheitseinrichtung dienende, höhenverstellbare Puffereinrichtung.
Show it:
Fig. 1
1 shows a schematic representation of an elevator installation with an elevator car which can be moved in an elevator shaft with a shortened shaft head and has a maintenance platform and a counterweight which can be moved in the elevator shaft,
Fig. 2
Details of a manual support serving as a safety device and
Fig. 3
a height-adjustable buffer device serving as a safety device.

In der Fig. 1 ist ein maschinenraumloser Aufzug gezeigt. Mit 1 ist ein durch Schachtwände 1.1 begrenzter Aufzugsschacht bezeichnet, in dem eine Aufzugskabine 2 und ein Gegengewicht 3 verfahrbar sind. Im verkürzten Schachtkopf 4 ist eine Treibscheibe 5 angeordnet, die mit einem nicht dargestellten Antrieb in Verbindung steht. Die Treibscheibe 5 und/oder der Antrieb ist beispielsweise von einer Wand- oder Deckenkonsole getragen. Ein Tragseil 6 hat einen Seilverlauf beispielsweise von einem ersten Fixpunkt 6.1 über zwei Umlenkrollen 6.2, 6.3 der Aufzugskabine 2, weiter über die Treibscheibe 5, weiter über eine Umlenkrolle 6.4 des Gegengewichtes 3 und weiter zu einem zweiten Fixpunkt 6.5.A machine room-less elevator is shown in FIG. 1. With 1 is a limited by shaft walls 1.1 Designated elevator shaft, in which an elevator car 2 and a counterweight 3 can be moved. In the shortened Shaft head 4, a traction sheave 5 is arranged with a drive, not shown, is connected. The Traction sheave 5 and / or the drive is, for example, from worn on a wall or ceiling bracket. Has a suspension cable 6 a rope course, for example, from a first fixed point 6.1 via two deflection rollers 6.2, 6.3 of the elevator car 2, further over the traction sheave 5, further over a Deflection roller 6.4 of the counterweight 3 and on to one second fixed point 6.5.

Das Dach der Aufzugskabine ist als Wartungsbühne 10 ausgebildet, von der aus Unterhaltspersonal 11 Arbeiten im Aufzugsschacht 1 ausführen kann, wie beispielsweise Wartungsarbeiten an Treibscheibe 5, Führungsschienen, Schachtschalter, Antrieb, Tragseil 6, etc..The roof of the elevator car is a maintenance platform 10 trained, from which maintenance staff 11 work in Can execute elevator shaft 1, such as Maintenance work on traction sheave 5, guide rails, Shaft switch, drive, suspension cable 6, etc.

Aufzugskabine 2 und Gegengewicht 3 sind in zwei unterschiedlichen Lagen gezeigt. Mit unterbrochener Linie ist die Aufzugsanlage bei Normalbetrieb gezeigt, wobei die Aufzugskabine 2 auf dem obersten Stockwerk 1.3 mit der entsprechenden tiefsten Lage des Gegengewichtes 3 knapp über einer Puffereinrichtung 12 stehend gezeigt ist.Elevator car 2 and counterweight 3 are in two different locations shown. With a broken line the elevator system is shown in normal operation, the Elevator car 2 on the top floor 1.3 with the corresponding lowest position of the counterweight 3 barely is shown standing over a buffer device 12.

Mit voller Linie ist die Aufzugsanlage bei Wartungsbetrieb gezeigt. Die gezeigte maschinenraumlose Aufzugsanlage bietet mit ihrem verkürzten Schachtkopf 4 für die Wartung vom Kabinendach 2.1 aus nicht genügend Höhe H für eine vorschriftsmässige Überfahrt Ü (Distanz zwischen Kabinendach 2.1 und Schachtdecke 1.2) von beispielsweise einem Meter. Mit der erfindungsgemässen Sicherheitseinrichtung 13 in der gezeigten Arbeitsstellung wird für die Sicherheit des Unterhaltspersonals 11 gesorgt und die geforderte Überfahrt Ü erreicht, weil der Weg der Aufzugskabine 2 nach oben begrenzt ist.The elevator system is in full service operation shown. The machine room-less elevator system shown offers with its shortened shaft head 4 for maintenance from the canopy 2.1 not enough height H for one legal crossing Ü (distance between Canopy 2.1 and shaft ceiling 1.2) of, for example one meter. With the inventive Safety device 13 in the working position shown the security of maintenance personnel 11 is ensured and reached the required crossing Ü because the way of Elevator car 2 is capped.

Bei leerer Aufzugskabine 2 hat das Gegengewicht 3 gegenüber der Augfzugskabine 2 Übergewicht und kann sich bei gleichzeitigem Hochziehen der Aufzugskabine 2 nach unten bewegen. Ohne Sicherheitseinrichtung 13 besteht die Gefahr, dass sich das Gegengewicht 3 bis auf die Puffereinrichtung 12 absenkt und auf der Wartungsbühne 10 befindliches Unterhaltspersonal 11 wegen des verkürzten Schachtkopfes 4 gefährdet. Mit der Sicherheitseinrichtung 13 wird der Weg des Gegengewichtes 3 auf einer Höhe begrenzt, dass die geforderte Überfahrt Ü zwischen Kabinendach 2.1 und Schachtdecke 1.2 in jedem Fall gewährleistet ist.When the elevator car 2 is empty, the counterweight 3 is opposite the eye cabin 2 overweight and can become pulling the elevator car 2 down at the same time move. Without safety device 13 there is a risk that that the counterweight 3 except for the buffer device 12 lowered and located on the maintenance platform 10 Maintenance personnel 11 due to the shortened shaft head 4 endangered. With the safety device 13 is the way of the counterweight 3 limited to a height that the required crossing Ü between canopy 2.1 and Manhole cover 1.2 is guaranteed in every case.

Die Sicherheitseinrichtung 13 weist in einer ersten Ausführungsvariante ein überwachtes, höhenverstellbares Auflager 13.1 auf, das beispielsweise mittels einer Spindel 13.2 höhenverstellbar ist. Die Spindel 13.2 wird von einem Motor 13.3 angetrieben.The safety device 13 has a first Design variant a monitored, height adjustable Support 13.1, for example by means of a spindle 13.2 is adjustable in height. The spindle 13.2 is one Motor 13.3 driven.

Die als Fahrwegbegrenzung vorgesehene Sicherheitseinrichtung 13 wird wie folgt aktiviert: Falls die Aufzugskabine 2 höchstens auf dem zweitobersten Stockwerk 1.4 steht, kann der Motor 13.3 mittels einer Aufzugssteuerung AS und mittels eines ersten Schalters 13.4 in Aufwärtsrichtung eingeschaltet werden. Das Auflager 13.1 bewegt sich nach oben, bis ein erster Endschalter 13.5 betätigt wird, der einen ersten Kontakt 13.51 öffnet, einen zweiten Kontakt 13.52 schliesst und den Motor 13.3 abschaltet. Das Auflager 13.1 ist nun in der für die Überfahrt Ü richtigen Sicherungslage. Dann wird das Gegengewicht 3 mittels Aufzugssteuerung AS und Antrieb langsam abgesenkt, bis ein zweiter, die Lage des Auflagers 13.1 detektierender Endschalter 13.7 mittels des Gegengewichtes 3 betätigt wird. Der zweite Endschalter 13.7 öffnet einen dritten Kontakt 13.71, wodurch der Aufzugsantrieb abgeschaltet wird. Das Gegengewicht 3 liegt am Auflager 13.1 auf, wobei sich die Aufzugskabine 2 nicht mehr weiter nach oben bewegen kann. Die Aufzugskabine 2 ist nun gegen jede weitere Aufwärtsbewegung gesichert. Die Arbeiten im Aufzugsschacht 1 können nun gefahrlos ausgeführt werden. Beim Übergang von Wartungsbetrieb auf Normalbetrieb zur Beförderung von Personen und/oder Gütern wird die Aufzugskabine 2 mindestens auf das zweitoberste Stockwerk 1.4 abgesenkt und der Motor 13.3 mittels der Aufzugssteuerung AS und mittels eines zweiten Schalters 13.8 in Abwärtsrichtung geschaltet. Das Auflager 13.1 bewegt sich, bis es aus dem Fahrweg des Gegengewichtes 3 bei Normalbetrieb ist.The one intended as a route limitation Safety device 13 is activated as follows: If the elevator car 2 at most on the second uppermost Floor 1.4 stands, the motor 13.3 by means of a Elevator control AS and by means of a first switch 13.4 be turned on in the upward direction. The support 13.1 moves upwards until a first limit switch 13.5 is operated, which opens a first contact 13.51, one second contact 13.52 closes and the motor 13.3 off. The support 13.1 is now in the for Crossing Ü correct security position. Then it will Counterweight 3 by means of elevator control AS and drive slowly lowered until a second, the location of the support 13.1 detecting limit switch 13.7 by means of Counterweight 3 is operated. The second limit switch 13.7 opens a third contact 13.71, causing the Elevator drive is switched off. The counterweight 3 lies on the support 13.1, the elevator car 2 not can move up further. The elevator car 2 is now secured against any further upward movement. The Working in elevator shaft 1 can now be done safely be carried out. When changing from maintenance operation to Normal operation for the transportation of people and / or goods the elevator car 2 is at least on the second uppermost Floor 1.4 lowered and the engine 13.3 by means of Elevator control AS and by means of a second switch 13.8 switched in the downward direction. The support 13.1 moves until it moves out of the way of the counterweight 3 is in normal operation.

Fig. 2 zeigt ein als Sicherheitseinrichtung 13 dienendes manuelles Auflager 13.1, das in den Fahrweg des Gegengewichtes 3 manuell schwenkbar ist. Mit unterbrochener Linie ist die Ruhelage des Auflagers 13.1 gezeigt, die mittels Endschalter 13.7 und Kontakt 13.71 überwacht wird. Normalbetrieb der Aufzugsanlage ist nur in der Ruhelage des Auflagers 13.1 möglich. Damit die Sicherheit des Unterhaltspersonals 11 in jedem Fall gewährleistet ist, kann ein weiterer Endschalter vorgesehen sein, der die Arbeitslage des Auflagers 13.1 überwacht. Das Auflager 13.1 ist um einen Drehpunkt D1 schwenkbar und entlang einer Stütze 13.11 höhenverstellbar.Fig. 2 shows a serving as a safety device 13 manual support 13.1 that in the path of the Counterweight 3 is manually pivotable. With interrupted The rest position of the support 13.1 is shown in the line is monitored by means of limit switch 13.7 and contact 13.71. Normal operation of the elevator system is only in the rest position of the Support 13.1 possible. So that the security of the Maintenance personnel 11 is guaranteed in any case can be provided a further limit switch, the Working position of the support 13.1 monitored. The support 13.1 is pivotable about a pivot point D1 and along a Support 13.11 adjustable in height.

Das manuelle Auflager 13.1 kann auch an die Schachtwand 1.1 schraubbar sein oder beispielsweise in an der Schachtwand 1.1 angeordnete Ankerschienen einhängbar sein. The manual support 13.1 can also on the shaft wall 1.1 be screwable or for example in the shaft wall 1.1 arranged anchor rails can be suspended.

Fig. 3 zeigt eine als Sicherheitseinrichtung 13 dienende höhenverstellbare Puffereinrichtung bestehend aus Puffer 12 und Hebeeinrichtung 12.1. In diesem Fall dient der Puffer 12 in der gezeigten Arbeitslage als Auflager 13.1. Die Arbeitslage des Puffere 12 wird mittels Endschalter 13.7 und Kontakt 13.71 und die Ruhelage des Puffers 12 mittels Endschalter 13.9 und Kontakt 13.91 überwacht und falls aussergewöhnliche Betriebszustände detektiert werden, schaltet die Aufzugssteuerung AS die Aufzugsanlage ab. Im gezeigten Beispiel arbeitet die Hebeeinrichtung 12.1 auf dem Scherenprinzip. Sie kann manuell oder motorisch oder mittels Zylindern und Druckmedium antreibbar sein. Die Hebeeinrichtung 12.1 kann beispielsweise auch teleskopartig aufgebaut sein.Fig. 3 shows a serving as a safety device 13 Height-adjustable buffer device consisting of buffer 12 and lifting device 12.1. In this case the buffer is used 12 in the working position shown as a support 13.1. The Working position of the buffer 12 is by means of limit switches 13.7 and contact 13.71 and the rest position of the buffer 12 by means of Limit switch 13.9 and contact 13.91 monitored and if exceptional operating conditions are detected, the elevator control AS switches the elevator system off. in the The example shown works the lifting device 12.1 the scissors principle. It can be manual or motorized or be drivable by means of cylinders and pressure medium. The Lifting device 12.1 can also be telescopic, for example be constructed.

Die oben genannte Sicherheitseinrichtung 13 kann anstatt gegengewichtsseitig kabinenseitig im Schachtkopf 4 angeordnet werden.The above-mentioned safety device 13 can instead on the counterweight side in the cabin head 4 to be ordered.

Für den Wartungsbetrieb kann als Sicherheitseinrichtung 13 auch eine Einrichtung zur Verlängerung des Tragseiles 6 vorgesehen sein. Die Einrichtung verschiebt mindestens einen Fixpunkt 6.1,6.5 motorisch nach unten. Durch die Verschiebung des Seilfixpunktes von der Schachtdecke 1.2 weg nach unten wird die wirksame Tragseillänge vergrössert. Mit verlängertem Tragseil 6 kann die vorschriftsmässige Überfahrt Ü eingehalten werden, weil die Aufzugskabine 2 in der oberen Endlage weniger hoch zu stehen kommt.For the maintenance operation, 13 also a device for extending the suspension cable 6 be provided. The facility at least postpones a fixed point 6.1.6.5 downwards. Through the Displacement of the fixed rope point from the shaft ceiling 1.2 the effective suspension cable length is increased away. With an extended suspension rope 6, the regulations Crossing Ü are observed because the elevator car 2 in the upper end position is less high.

Die Tragseilverlängerung kann auch durch Verschieben mindestens der Treibscheibe 5 nach unten erreicht werden.The suspension cable extension can also be moved at least the traction sheave 5 can be reached downwards.

Claims (10)

Einrichtung zur Ausführung von Arbeiten in einem Aufzugsschacht (1) mit verkürztem Schachtkopf (4), in welchem Aufzugsschacht (1) ein Gegengewicht (3) und eine Aufzugskabine (2) mit Wartungsbühne (10) verfahrbar sind, von der aus Wartungsarbeiten an Schachtausrüstung ausführbar sind,
dadurch gekennzeichnet, dass das Dach (2.1) der Aufzugskabine (2) als Wartungsbühne (10) dient und dass eine Sicherheitseinrichtung (13) für den Wartungsbetrieb vorgesehen ist, die eine vorschriftsmässige Distanz (Ü) zwischen Kabinendach (2.1) und Schachtdecke (1.2) für die Sicherheit des Unterhaltspersonals (11) gewährleistet und die Aufzugskabine (2) gegen jede weitere Aufwärtsbewegung sichert. Device for performing work in an elevator shaft (1) with a shortened shaft head (4), in which elevator shaft (1) a counterweight (3) and an elevator car (2) with a maintenance platform (10) can be moved, from which maintenance work on shaft equipment can be carried out are,
characterized, that the roof (2.1) of the elevator car (2) serves as a maintenance platform (10) and that a safety device (13) is provided for the maintenance operation, which ensures a correct distance (Ü) between the cabin roof (2.1) and the shaft ceiling (1.2) for the safety of the maintenance personnel (11) and secures the elevator car (2) against any further upward movement. Einrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass mit der Sicherheitseinrichtung (13) der Fahrweg der Aufzugskabine (2) und/oder des Gegengewichtes (3) begrenzbar ist. Device according to claim 1,
characterized, that the travel path of the elevator car (2) and / or the counterweight (3) can be limited with the safety device (13). Einrichtung nach den Ansprüchen 1 oder 2,
dadurch gekennzeichnet, dass die Sicherheitseinrichtung (13) kabinenseitig oder gegengewichtsseitig angeordnet ist. Device according to claims 1 or 2,
characterized, that the safety device (13) is arranged on the cabin side or on the counterweight side. Einrichtung nach den Ansprüchen 1 bis 3,
dadurch gekennzeichnet, dass als Sicherheitseinrichtung (13) ein Auflager (13.1) im Fahrweg anbringbar ist. Device according to claims 1 to 3,
characterized, that a support (13.1) can be attached in the guideway as a safety device (13). Einrichtung nach Anspruch 4,
dadurch gekennzeichnet, dass das Auflager (13.1) motorisch anbringbar ist und die Lage des Auflagers (13.1) überwachbar ist. Device according to claim 4,
characterized, that the support (13.1) can be attached by a motor and the position of the support (13.1) can be monitored. Einrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass zur Anbringung des Auflagers (13.1) ein Motor (13.3) mit Spindel (13.2) und zur Überwachung der Lage Endschalter (13.5,13.7)) vorgesehen sind. Device according to claim 5,
characterized, that a motor (13.3) with a spindle (13.2) and for monitoring the position of the limit switches (13.5,13.7) are provided to attach the support (13.1). Einrichtung nach Anspruch 4,
dadurch gekennzeichnet, dass das Auflager (13.1) manuell anbringbar ist und zur Überwachung der Lage Endschalter (13.7) vorgesehen sind. Device according to claim 4,
characterized, that the support (13.1) can be attached manually and limit switches (13.7) are provided for monitoring the position. Einrichtung nach den Ansprüchen 1 bis 3,
dadurch gekennzeichnet, dass als Sicherheitseinrichtung (13) eine in Richtung des Fahrweges verstellbare Puffereinrichtung (12,12.1) vorgesehen ist. Device according to claims 1 to 3,
characterized, that a buffer device (12, 12.1) adjustable in the direction of the travel path is provided as the safety device (13). Einrichtung nach Anspruch 8,
dadurch gekennzeichnet, dass ein mittels einer Hebeeinrichtung (12.1) höhenverstellbarer Puffer (12) vorgesehen ist, der den Fahrweg begrenzt. Device according to claim 8,
characterized, that a height-adjustable buffer (12) is provided by means of a lifting device (12.1), which limits the travel path. Einrichtung nach Anspruch 1,
dadurch gekennzeichnet, dass mit der Sicherheitseinrichtung (13) das Tragseil (6) verlängerbar ist, wobei mindestens ein Seilfixpunkt (6.1,6.5) und/oder die Treibscheibe (5) nach unten verschiebbar ist. Device according to claim 1,
characterized, that the supporting cable (6) can be extended with the safety device (13), at least one fixed cable point (6.1,6.5) and / or the traction sheave (5) being displaceable downwards.
EP00109499A 1999-05-14 2000-05-04 Device for carrying out work in an elevator shaft Expired - Lifetime EP1052212B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP00109499A EP1052212B1 (en) 1999-05-14 2000-05-04 Device for carrying out work in an elevator shaft

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99810429 1999-05-14
EP99810429 1999-05-14
EP00109499A EP1052212B1 (en) 1999-05-14 2000-05-04 Device for carrying out work in an elevator shaft

Publications (2)

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EP1052212A1 true EP1052212A1 (en) 2000-11-15
EP1052212B1 EP1052212B1 (en) 2005-01-05

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EP (1) EP1052212B1 (en)
AT (1) ATE286482T1 (en)
DE (1) DE50009150D1 (en)
ES (1) ES2234474T3 (en)
NO (1) NO323028B1 (en)
PT (1) PT1052212E (en)

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DE10065099A1 (en) * 2000-12-28 2002-07-18 Logos Innovationen Gmbh Arrangement for producing protective space has supporting element with securing position and non-securing position, in both of which positions it is essentially parallel to direction of travel
EP1236670A1 (en) * 2001-03-01 2002-09-04 Thyssen Aufzugswerke GmbH Safety limit switch for elevator
DE10137107A1 (en) * 2001-07-30 2003-02-20 Wittur Ag Lift with no machine room disposes roof of passenger cage in maintenance position where roof is accessible through shaft opening and drive unit can be reached
EP1319626A1 (en) 2000-09-20 2003-06-18 Mitsubishi Denki Kabushiki Kaisha Elevator system and method of inspecting the elevator system
EP1479636A1 (en) * 2003-05-21 2004-11-24 Inventio Ag Buffer that can create a safety inspection zone for elevators
US7077243B2 (en) 2003-05-21 2006-07-18 Inventio Ag Elevator installation with a buffer for creating a zone of protection in an elevator installation and a method of creating a zone of protection
WO2005065142A3 (en) * 2003-12-19 2006-07-20 Otis Elevator Co Car fall-prevention apparatus
DE102005060839A1 (en) * 2005-12-20 2007-06-28 Aufzugswerke M. Schmitt & Sohn Gmbh & Co. Pulley cord for a lift cabin, has a cabin guide rail portable elevator cabin and portable counter weight to limit the upward movement of the elevator cabin
AU2004202178B2 (en) * 2003-05-21 2008-05-22 Inventio Ag Buffer and lift installation with such a buffer
US7624847B2 (en) 2004-01-07 2009-12-01 Inventio Ag Drive for an elevator installation
US7665580B2 (en) 2004-07-17 2010-02-23 Inventio Ag Equipment for suspension of a car or counter weight in an elevator installation and methods for mounting and for maintenance of suspension means
CN109573768A (en) * 2018-12-13 2019-04-05 永大电梯设备（中国）有限公司 A kind of elevator maintenance protective device and elevator maintenance guard method
WO2019086194A1 (en) 2017-10-31 2019-05-09 Inventio Ag Device for carrying out maintenance work in an elevator shaft
EP3760561A1 (en) * 2019-07-05 2021-01-06 Otis Elevator Company Elevator assembly with counterweight blocking stop

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FI125118B (en) * 2013-01-07 2015-06-15 Kone Corp Elevator

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1319626A1 (en) 2000-09-20 2003-06-18 Mitsubishi Denki Kabushiki Kaisha Elevator system and method of inspecting the elevator system
DE10065099A1 (en) * 2000-12-28 2002-07-18 Logos Innovationen Gmbh Arrangement for producing protective space has supporting element with securing position and non-securing position, in both of which positions it is essentially parallel to direction of travel
EP1236670A1 (en) * 2001-03-01 2002-09-04 Thyssen Aufzugswerke GmbH Safety limit switch for elevator
DE10137107A1 (en) * 2001-07-30 2003-02-20 Wittur Ag Lift with no machine room disposes roof of passenger cage in maintenance position where roof is accessible through shaft opening and drive unit can be reached
DE10137107B4 (en) * 2001-07-30 2009-02-12 Wittur Ag Machine roomless elevator with maintenance system
AU2004202178B2 (en) * 2003-05-21 2008-05-22 Inventio Ag Buffer and lift installation with such a buffer
EP1479636A1 (en) * 2003-05-21 2004-11-24 Inventio Ag Buffer that can create a safety inspection zone for elevators
US7077243B2 (en) 2003-05-21 2006-07-18 Inventio Ag Elevator installation with a buffer for creating a zone of protection in an elevator installation and a method of creating a zone of protection
US7413060B2 (en) 2003-12-19 2008-08-19 Otis Elevator Company Car fall-prevention apparatus
WO2005065142A3 (en) * 2003-12-19 2006-07-20 Otis Elevator Co Car fall-prevention apparatus
CN1902117B (en) * 2003-12-19 2010-08-18 奥蒂斯电梯公司 Car fall-prevention apparatus
KR100757657B1 (en) * 2003-12-19 2007-09-10 오티스 엘리베이터 컴파니 Car fall-prevention apparatus
US7624847B2 (en) 2004-01-07 2009-12-01 Inventio Ag Drive for an elevator installation
US7665580B2 (en) 2004-07-17 2010-02-23 Inventio Ag Equipment for suspension of a car or counter weight in an elevator installation and methods for mounting and for maintenance of suspension means
DE102005060839A1 (en) * 2005-12-20 2007-06-28 Aufzugswerke M. Schmitt & Sohn Gmbh & Co. Pulley cord for a lift cabin, has a cabin guide rail portable elevator cabin and portable counter weight to limit the upward movement of the elevator cabin
CN111295351B (en) * 2017-10-31 2022-05-24 因温特奥股份公司 Device for performing maintenance work in an elevator shaft
WO2019086194A1 (en) 2017-10-31 2019-05-09 Inventio Ag Device for carrying out maintenance work in an elevator shaft
CN111295351A (en) * 2017-10-31 2020-06-16 因温特奥股份公司 Device for performing maintenance work in an elevator shaft
CN109573768A (en) * 2018-12-13 2019-04-05 永大电梯设备（中国）有限公司 A kind of elevator maintenance protective device and elevator maintenance guard method
CN109573768B (en) * 2018-12-13 2023-06-16 永大电梯设备（中国）有限公司 Elevator maintenance and protection device and elevator maintenance and protection method
EP3760561A1 (en) * 2019-07-05 2021-01-06 Otis Elevator Company Elevator assembly with counterweight blocking stop
US11591184B2 (en) 2019-07-05 2023-02-28 Otis Elevator Company Elevator assembly with counterweight blocking stop

Also Published As

Publication number Publication date
EP1052212B1 (en) 2005-01-05
NO323028B1 (en) 2006-12-27
DE50009150D1 (en) 2005-02-10
ES2234474T3 (en) 2005-07-01
NO20002195L (en) 2000-11-15
NO20002195D0 (en) 2000-04-27
ATE286482T1 (en) 2005-01-15
PT1052212E (en) 2005-04-29

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