EP2881354B1 - Lift assembly with a compensation rope - Google Patents
Lift assembly with a compensation rope Download PDFInfo
- Publication number
- EP2881354B1 EP2881354B1 EP13196276.3A EP13196276A EP2881354B1 EP 2881354 B1 EP2881354 B1 EP 2881354B1 EP 13196276 A EP13196276 A EP 13196276A EP 2881354 B1 EP2881354 B1 EP 2881354B1
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- European Patent Office
- Prior art keywords
- compensating
- connecting element
- compensation
- lift installation
- strand
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- 238000009434 installation Methods 0.000 claims description 46
- 230000001419 dependent effect Effects 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 239000011147 inorganic material Substances 0.000 claims description 2
- 239000000725 suspension Substances 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/068—Cable weight compensating devices
Definitions
- the invention relates to an elevator installation with a compensation medium strand which is fastened to an elevator car and to a counterweight of the elevator installation.
- Elevator systems include an elevator car and a counterweight.
- the elevator car and the counterweight are attached to a suspension and movable depending on each other.
- Cabin or counterweight side depending on the position of the elevator car within the elevator installation, the suspension element has a variable weight.
- the elevator installation additionally comprises a compensating means.
- the compensation means is fixed by means of its two ends to both the elevator car and the counterweight.
- the compensating means forms a loop.
- the length-specific masses of the suspension element and of the compensating means are essentially the same in order to be able to compensate for the weight change mentioned.
- Such compensating means may be formed, for example, from a rope, in particular a steel cable, or a belt.
- a plurality of parallel compensation means can form a compensation medium strand.
- a deflection roller is usually arranged in the lower area of the elevator installation, that is to say in the region of the loop. At this deflection roller of the compensation medium strand or the compensation means is deflected.
- an elevator installation comprising an elevator car, a counterweight and a suspension element to which suspension means the counterweight and the elevator car are attached in such a way that the elevator car and the counterweight are mutually movable, a compensating means strand comprising a plurality of compensating means, which compensating means strand with a is suspended at its two ends to the elevator car and with its other end on the counterweight, arranged in the lower part of the elevator system deflecting device, wherein the Kompensationsstoffstrang is deflected and guided by the deflection, said Kompensationsstoffstrang has at least one connecting element, which connecting element at a first of the Compensating is fixed and acts on at least a second of the compensation means such that relative to the elevator installation relative change in position of the first and the second compensation is limited by means of each other.
- a deflecting means for deflecting the compensation medium strand is arranged in order to avoid uncontrolled movements of the compensation medium strand within the elevator installation. Due to the mobility of the elevator car with partly high speed, however, the problem arises that the individual compensation means of the compensation medium strand perform relative movements relative to one another, which can lead to problems such as excessive wear of the compensation means or the deflection device.
- the connecting element couples the first compensating means to the second compensating means to restrict or prevent said relative movements between these two compensating means. Moreover, it is possible, if appropriate, to restrict or prevent the relative movements of at least one further compensation means arranged between these two compensation means to the two compensation means.
- the connecting element By means of the connecting element can thus be ensured that the compensation means are deflected in a predetermined orientation to each other at the deflection and guided, without disturbing noises or blows are the result.
- the connecting element is preferably designed such that a specific mass of the compensating agent strand is not significantly influenced by attaching the connecting element. In this way, unnecessary unsteady movements in the leadership of the connecting element having portion of the compensation medium strand can be avoided at the deflection.
- connection element is fixed to the second compensation means. It is advantageous that even a possible rotation of the first compensating means about its own longitudinal axis is largely prevented.
- connection element is spaced from the two ends of the compensation medium strand. This ensures that no twisting of the individual compensation means occurs along the length of the compensation medium strand.
- the connecting element is made of plastic or of an inorganic material.
- plastic makes it possible by way of example that the specific mass of the compensating agent strand is only insignificantly influenced by the connecting element.
- connection element comprises a fastening region for fastening the connection element to the first compensation means, wherein the fastening region is designed such that the fastening region only partially encloses the first compensation means. It is advantageous that the connecting element can be attached to the relevant compensation means when the compensation means of the compensation medium strand are already installed in the elevator installation.
- the attachment region may be formed of elastic plastic.
- the fastening region formed in this way can border on a predominant part of the circumference of the compensating means, that is to say that such a fastening region largely encloses the cross section of the compensating means, without the installation of the connecting element at the compensating means already at the
- the fastening area encloses, at the moment of a position of the connecting element on the deflection device, essentially the side of the first compensation means facing away from the deflection device. In this way, it is possible to avoid impacts on the deflection device which would occur if the connection element were arranged briefly between the compensation means and the deflection device during the process of the elevator cage.
- the deflection device has an inlet guide.
- the inlet guide represents an additional possibility that the compensation means are moved in the predetermined orientation to each other at the deflection.
- the deflection device is formed by a deflection roller.
- a deflection roller Such a pulley allows a deflection and guidance of the compensation means without excessive friction losses.
- a further development of the elevator installation comprises a second connection element, which is spaced from the connection element in the longitudinal direction of the compensation medium strand, which second connection element is fixed to the second compensation means and to a third compensation means of the compensation medium strand.
- the second connection element is spaced 20 to 100 m from the first connection element. In this way it can be ensured that both the individual compensation means maintain their relative position to one another and the elevator installation is designed to be cost-effective.
- FIG. 1 shows an elevator system 1, which is usually arranged in an elevator shaft.
- the elevator installation 1 comprises an elevator cage 2, a counterweight 4 and a traction sheave 9. Both the elevator cage 2 and the counterweight 4 are suspended on a suspension element 6.
- the elevator installation 1 can have a suspension element strand, which suspension element strand comprises a plurality of typically identically formed suspension elements.
- the support means 6 and the support means of the suspension element strand are usually steel cables or plastic straps reinforced by strands.
- the traction sheave 9 can be arranged in the upper region of the elevator installation 1, the suspension element 6 or the suspension element strand being guided over this traction sheave 9.
- the elevator car 2 and the counterweight 4 are movable from each other.
- the according to FIG. 1 shown suspension of the elevator car 2 and the counterweight 4 corresponds to a 1: 1 suspension.
- any other suspension such as a 2: 1 or 4: 1 suspension, may also be used.
- the elevator installation 1 comprises a compensation medium strand 8 and a deflecting device 10 serving for deflecting and guiding the compensation medium strand 8.
- the deflection device 10 is arranged in the lower region of the elevator installation 1. A first of the two ends 8.1 of Compensation medium strand 8 is fixed to the elevator car 2. The second end 8.2 of the compensation medium strand 8 is fixed to the counterweight 4.
- the compensation medium strand 8 comprises a plurality of compensation means. By guiding the compensation medium strand 8 on the deflection uncontrolled movements of the compensation means or the compensation medium strand 8 can be largely prevented.
- the deflection device 10 may be formed as a deflection roller, wherein such a deflection roller is rotatably mounted on an axis 10.1.
- FIG. 2 shows, by way of example, such a deflecting device designed as a deflecting roller 10, on which deflecting roller 10 a compensation medium strand 8 comprising a plurality of compensating means 81, 82, 83 is deflected and guided.
- the deflection roller 10 is arranged in the lower area of the elevator installation, preferably in a shaft pit of the elevator installation.
- the guide roller 10 is rotatably mounted on the axis 10.1.
- the guide roller 10 has a plurality of guide grooves 11.1, 11.2, 11.3. By means of a single one of these guide grooves 11.1, 11.2, 11.3, one of the compensation means 81, 82, 83 of the compensation medium strand 8 is guided.
- the compensation medium strand 8 has at least one connecting element 20, 20 ', 20 ".
- the connecting element 20, 20', 20" connects two, preferably two, mutually adjacent, compensating means 81, 82, 83 of the compensation medium strand 8.
- the connecting element 20, 20 ', 20 " is fixed to at least one of these compensating means 81, 82, 83.
- a first one of the connecting elements 20 is fixed to a first compensating means 81 and supported on a second compensating means 82.
- the first compensating means 81 is substantially not about its longitudinal axis is rotatable, undesired relative movements between the first and the second compensation means 81, 82 can be prevented due to the fixation or support of the first connecting element 20 on the first and the second compensation means 81, 82.
- a second of the connecting elements 20 ' is fixed to the second and to a third compensation means 82, 83.
- a distance B, B 'between two connecting elements 20, 20', 20 "following one another along the compensating means strand 8 is preferably between 20 and 100 m.
- the selected distance B, B ' may be an example of the material or the voltage of the selected compensation means 81, 82, 83 of the compensation medium strand 8 dependent.
- FIGS. 3 to 5 show sections of various alternatively formed connecting elements 20, 20 ', 20 "at the moment of their arrangement on an associated deflection device 10.
- the connecting element 20, 20', 20" comprises a fastening region 21.
- the fastening region 21 is the connecting element 20, 20 ', 20th attached to one of the compensation means 81 of a compensation medium strand 8.
- the deflecting devices 10 shown as deflection rollers are shown in sections.
- the guide rollers 10 have a guide groove 11.1 for guiding the associated compensation means 81.
- the in FIG. 3 shown mounting portion 21 encloses only partially the cross section of the compensation means 81, wherein the mounting portion 21 is partially formed between the surface of the guide groove 11.1 and the compensation means 81.
- the attachment region 21 essentially encloses the side of the compensating means 81 facing away from the deflecting device 10.
- the between the surface of the Guide groove 11.1 and the compensating means 81 formed part of the mounting portion 21 has a lower material thickness than on the side facing away from the deflector 10 of the compensation means 81.
- the attachment portion 21 may be formed by way of example of elastic plastic. This serves the purpose that the compensation area 81 largely enclosing attachment portion 21 after an arrangement of the compensation means in the Lift system can be easily applied to the compensation means 81.
- mounting portion 21 includes a screw and, for example, a clamp 22 which is fixed to the compensation means 81.
- the clamp 22 completely encloses the cross section of the compensating means 81.
- the connecting element 20 ' is fixed to the compensation means 81.
- the fastening region 21 partially surrounds the side of the compensating means 81 facing away from the deflecting device 10, in order to generate a noise-free or not shown fastening region 21, which partially encloses the cross-section of the compensating means 81.
- the fixing region 21 formed by plastic can be heated so that it becomes viscous be deformed, wherein the fastening portion 21 is deformed such that it partially penetrates into the cross section of the compensation means 81. After cooling or simultaneous stiffening de s fixing area 21, the connecting element 20 "is fixed to the compensation means 81.
- the respective compensation medium strand 8 comprises at least two compensation means 81, 82, 83 and a connection element 20.
- the connection element 20 comprises a first attachment region 21. By means of the attachment region 21, the connection element 20 is at a first of the compensation means 81 attached.
- Compensator strand 8 shown comprises three compensation means 81, 82, 83.
- the second compensation means 82 is arranged centrally between the first compensation means 81 and the third compensation means 83.
- the Connecting element 20 on the third compensation means 83 fixed by means of a second attachment portion 21 '.
- the second compensating means 82 is supported on the connecting member 20.
- the possibility of relative movement of the second compensating means 82 to both the first and third compensating means 81, 83 is restricted.
- Compensating strand 8 shown comprises two compensating means 81, 82.
- the connecting element 20 fixed to the first compensating means 81 acts on the second compensating means 82 such that a relative positional change with respect to further components of the elevator installation of the first and second compensating means 81, 82 is limited to one another.
- the first compensation means 81, to which the connecting element 20 is fixed is preferably installed in the elevator installation such that rotatability of the first compensation means 81 about its own longitudinal axis is largely prevented.
- FIG. 8a shows a deflection device 10 arranged in a lower region of an elevator installation for guiding and deflecting a compensation medium strand 8.
- the compensation medium strand 8 comprises a plurality of compensation means 81, 82, 83 and at least one connection element 20 in order to avoid or prevent uncontrolled relative movements of the compensation means 81, 82, 83 relative to one another to restrict.
- the deflecting device 10 embodied by way of example as a deflecting roller has a plurality of guide grooves 11.1, 11.2, 11.3 for guiding the compensating means 81, 82, 83 of the compensating means strand 8.
- the deflection device 10 comprises a in FIG. 8b By means of this inlet guide 12 it is ensured that each of the compensation means 81, 82, 83 is guided by a single one of the guide grooves 11.1, 11.2, 11.3 on the deflection device 10.
- a first of the guide grooves 11.1 is a first of the compensation means 81
- a second of the guide grooves 11.2 is a second of the compensation means 82
- the third guide groove 11.3 is associated with the third compensation means 83.
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- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Description
Die Erfindung betrifft eine Aufzugsanlage mit einem Kompensationsmittelstrang, der an einer Aufzugskabine und an einem Gegengewicht der Aufzugsanlage befestigt ist.The invention relates to an elevator installation with a compensation medium strand which is fastened to an elevator car and to a counterweight of the elevator installation.
Aufzugsanlagen umfassen eine Aufzugskabine und ein Gegengewicht. Die Aufzugskabine und das Gegengewicht sind an ein Tragmittel angehängt und abhängig voneinander bewegbar. Kabinen- bzw. gegengewichtseitig weist das Tragmittel je nach Position der Aufzugskabine innerhalb der Aufzugsanlage ein veränderliches Gewicht auf. Um dieses veränderliche Gewicht sowohl kabinenseitig als auch gegengewichtseitig zu kompensieren, umfasst die Aufzugsanlage zusätzlich ein Kompensationsmittel. Das Kompensationsmittel ist mittels seiner beiden Enden sowohl an der Aufzugskabine als auch am Gegengewicht fixiert. Im unteren Bereich der Aufzugsanlage bildet das Kompensationsmittel eine Schlaufe. Die längenspezifischen Massen des Tragmittels und des Kompensationsmittels sind im Wesentlichen gleich, um die genannte Gewichtsveränderung kompensieren zu können. Solche Kompensationsmittel können beispielsweise aus einem Seil, insbesondere einem Stahlseil, oder einem Riemen gebildet sein. Darüber hinaus können mehrere parallel verlaufende Kompensationsmittel einen Kompensationsmittelstrang bilden.Elevator systems include an elevator car and a counterweight. The elevator car and the counterweight are attached to a suspension and movable depending on each other. Cabin or counterweight side, depending on the position of the elevator car within the elevator installation, the suspension element has a variable weight. In order to compensate for this variable weight both on the cabin side and on the counterweight side, the elevator installation additionally comprises a compensating means. The compensation means is fixed by means of its two ends to both the elevator car and the counterweight. In the lower part of the elevator system, the compensating means forms a loop. The length-specific masses of the suspension element and of the compensating means are essentially the same in order to be able to compensate for the weight change mentioned. Such compensating means may be formed, for example, from a rope, in particular a steel cable, or a belt. In addition, a plurality of parallel compensation means can form a compensation medium strand.
Um eine kontrollierte Bewegung des Kompensationsmittels bzw. des Kompensationsmittelstranges in der Aufzugsanlage zu bewirken, ist üblicherweise im unteren Bereich der Aufzugsanlage, also im Bereich der Schlaufe, eine Umlenkrolle angeordnet. An dieser Umlenkrolle wird der Kompensationsmittelstrang bzw. das Kompensationsmittel umgelenkt.In order to effect a controlled movement of the compensating means or of the compensation medium strand in the elevator installation, a deflection roller is usually arranged in the lower area of the elevator installation, that is to say in the region of the loop. At this deflection roller of the compensation medium strand or the compensation means is deflected.
Bei der Umlenkung eines solchen Kompensationsmittelstranges an der Umlenkrolle entsteht das Problem, dass einzelne Kompensationsmittel entlang einer freien Länge des Kompensationsmittelstranges ihre Positionen zueinander verändern können. Das führt an der Umlenkrolle zu unangenehmen Geräuschen bzw. zu vorzeitiger Abnutzung der einzelnen Kompensationsmittel und der Umlenkrolle.When deflecting such a compensation medium strand on the deflection roller, the problem arises that individual compensation means can change their positions relative to each other along a free length of the compensation medium strand. This leads to the pulley to unpleasant noise or premature wear of the individual compensation means and the pulley.
Es ist daher Aufgabe der Erfindung, eine Aufzugsanlage mit einer verbesserten Führung des Kompensationsmittelstranges an einer Umlenkeinrichtung bereitzustellen.It is therefore an object of the invention to provide an elevator installation with improved guidance of the compensation medium strand on a deflection device.
Die Aufgabe wird gelöst durch eine Aufzugsanlage umfassend eine Aufzugskabine, ein Gegengewicht und ein Tragmittel, an welchem Tragmittel das Gegengewicht und die Aufzugskabine derart angehängt sind, dass die Aufzugskabine und das Gegengewicht voneinander abhängig bewegbar sind, einen mehrere Kompensationsmittel umfassenden Kompensationsmittelstrang, welcher Kompensationsmittelstrang mit einem seiner beiden Enden an der Aufzugskabine und mit seinem anderen Ende am Gegengewicht aufgehängt ist, eine im unteren Bereich der Aufzugsanlage angeordnete Umlenkeinrichtung, wobei der Kompensationsmittelstrang durch die Umlenkeinrichtung umgelenkt und geführt ist, wobei der Kompensationsmittelstrang mindestens ein Verbindungselement aufweist, welches Verbindungselement an einem ersten der Kompensationsmittel fixiert ist und auf mindestens ein zweites der Kompensationsmittel derart wirkt, dass eine bezüglich der Aufzugsanlage relative Lageveränderung des ersten und des zweiten Kompensationsmittels zueinander eingeschränkt ist.The object is achieved by an elevator installation comprising an elevator car, a counterweight and a suspension element to which suspension means the counterweight and the elevator car are attached in such a way that the elevator car and the counterweight are mutually movable, a compensating means strand comprising a plurality of compensating means, which compensating means strand with a is suspended at its two ends to the elevator car and with its other end on the counterweight, arranged in the lower part of the elevator system deflecting device, wherein the Kompensationsmittelstrang is deflected and guided by the deflection, said Kompensationsmittelstrang has at least one connecting element, which connecting element at a first of the Compensating is fixed and acts on at least a second of the compensation means such that relative to the elevator installation relative change in position of the first and the second compensation is limited by means of each other.
Unterhalb der Aufzugskabine und des Gegengewichtes ist eine Umlenkeinrichtungen zum Umlenken des Kompensationsmittelstranges angeordnet, um unkontrollierte Bewegungen des Kompensationsmittelstranges innerhalb der Aufzugsanlage zu vermeiden. Durch die Verfahrbarkeit der Aufzugskabine mit teilweise hoher Geschwindigkeit entsteht jedoch das Problem, dass die einzelnen Kompensationsmittel des Kompensationsmittelstranges Relativbewegungen zueinander ausführen, was zu Problemen, wie beispielsweise eine überhöhte Abnutzung der Kompensationsmittel bzw. der Umlenkeinrichtung führen kann.Below the elevator car and the counterweight, a deflecting means for deflecting the compensation medium strand is arranged in order to avoid uncontrolled movements of the compensation medium strand within the elevator installation. Due to the mobility of the elevator car with partly high speed, however, the problem arises that the individual compensation means of the compensation medium strand perform relative movements relative to one another, which can lead to problems such as excessive wear of the compensation means or the deflection device.
Das Verbindungselement koppelt das erste Kompensationsmittel mit dem zweiten Kompensationsmittel, um die genannten Relativbewegungen zwischen diesen beiden Kompensationsmitteln einzuschränken oder zu verhindern. Darüber hinaus ist es möglich, gegebenenfalls die Relativbewegungen mindestens eines zwischen diesen beiden Kompensationsmitteln angeordneten weiteren Kompensationsmittels zu den beiden Kompensationsmitteln einzuschränken bzw. zu verhindern.The connecting element couples the first compensating means to the second compensating means to restrict or prevent said relative movements between these two compensating means. Moreover, it is possible, if appropriate, to restrict or prevent the relative movements of at least one further compensation means arranged between these two compensation means to the two compensation means.
Mittels des Verbindungselementes kann somit sichergestellt werden, dass die Kompensationsmittel in einer vorgegebenen Ausrichtung zueinander an der Umlenkeinrichtung umgelenkt und geführt werden, ohne dass störende Geräusche oder Schläge die Folge sind.By means of the connecting element can thus be ensured that the compensation means are deflected in a predetermined orientation to each other at the deflection and guided, without disturbing noises or blows are the result.
Das Verbindungselement ist vorzugsweise derart ausgebildet, dass eine spezifische Masse des Kompensationsmittelstranges durch Anbringen des Verbindungselementes nicht wesentlich beeinflusst wird. Auf diese Weise können unnötige unstetige Bewegungen bei der Führung des das Verbindungselement aufweisenden Abschnitts des Kompensationsmittelstranges an der Umlenkeinrichtung vermieden werden.The connecting element is preferably designed such that a specific mass of the compensating agent strand is not significantly influenced by attaching the connecting element. In this way, unnecessary unsteady movements in the leadership of the connecting element having portion of the compensation medium strand can be avoided at the deflection.
Bei einer Weiterbildung der Aufzugsanlage ist das Verbindungselement an dem zweiten Kompensationsmittel fixiert. Vorteilhaft ist, dass selbst eine mögliche Rotation des ersten Kompensationsmittels um seine eigene Längsachse weitestgehend verhindert wird.In a further development of the elevator installation, the connection element is fixed to the second compensation means. It is advantageous that even a possible rotation of the first compensating means about its own longitudinal axis is largely prevented.
Bei einer Weiterbildung der Aufzugsanlage ist das Verbindungselement von den beiden Enden des Kompensationsmittelstranges beabstandet. Derart wird sichergestellt, dass entlang der Länge des Kompensationsmittelstranges keine Verwindungen der einzelnen Kompensationsmittel zueinander auftreten.In a development of the elevator installation, the connection element is spaced from the two ends of the compensation medium strand. This ensures that no twisting of the individual compensation means occurs along the length of the compensation medium strand.
Bei einer Weiterbildung der Aufzugsanlage ist das Verbindungselement aus Kunststoff oder aus einem anorganischen Material gebildet. Die Verwendung von Kunststoff ermöglicht beispielhaft, dass die spezifische Masse des Kompensationsmittelstranges durch das Verbindungselement nur unwesentlich beeinflusst ist.In a development of the elevator installation, the connecting element is made of plastic or of an inorganic material. The use of plastic makes it possible by way of example that the specific mass of the compensating agent strand is only insignificantly influenced by the connecting element.
Bei einer Weiterbildung der Aufzugsanlage umfasst das Verbindungselement einen Befestigungsbereich zum Befestigen des Verbindungselementes an dem ersten Kompensationsmittel, wobei der Befestigungsbereich derart ausgebildet ist, dass der Befestigungsbereich das erste Kompensationsmittel nur teilweise umschliesst. Vorteilhaft ist, dass das Verbindungselement an dem betreffenden Kompensationsmittel befestigt werden kann, wenn die Kompensationsmittel des Kompensationsmittelstranges bereits in der Aufzugsanlage installiert sind.In a development of the elevator installation, the connection element comprises a fastening region for fastening the connection element to the first compensation means, wherein the fastening region is designed such that the fastening region only partially encloses the first compensation means. It is advantageous that the connecting element can be attached to the relevant compensation means when the compensation means of the compensation medium strand are already installed in the elevator installation.
Der Befestigungsbereich kann aus elastischem Kunststoff gebildet sein. Der auf diese Weise ausgebildete Befestigungsbereich kann an einen überwiegenden Teil des Umfanges des Kompensationsmittels grenzen, das heisst, ein solcher Befestigungsbereich den Querschnitt des Kompensationsmittels weitestgehend umschliesst, ohne dass die Installation des Verbindungselementes am Kompensationsmittel schon bei derThe attachment region may be formed of elastic plastic. The fastening region formed in this way can border on a predominant part of the circumference of the compensating means, that is to say that such a fastening region largely encloses the cross section of the compensating means, without the installation of the connecting element at the compensating means already at the
Herstellung des Kompensationsmittelstranges erfolgen muss.Preparation of the compensation medium strand must be made.
Bei einer Weiterbildung der Aufzugsanlage umschliesst der Befestigungsbereich im Moment einer Stellung des Verbindungselementes an der Umlenkeinrichtung im Wesentlichen die der Umlenkeinrichtung abgewandte Seite des ersten Kompensationsmittels. Auf diese Weise können Schläge an der Umlenkeinrichtung vermieden werden, die entstehen würden, wenn das Verbindungselement kurzzeitig während des Verfahrens der Aufzugskabine zwischen dem Kompensationsmittel und der Umlenkeinrichtung angeordnet wäre.In a further development of the elevator installation, the fastening area encloses, at the moment of a position of the connecting element on the deflection device, essentially the side of the first compensation means facing away from the deflection device. In this way, it is possible to avoid impacts on the deflection device which would occur if the connection element were arranged briefly between the compensation means and the deflection device during the process of the elevator cage.
Bei einer Weiterbildung der Aufzugsanlage weist die Umlenkeinrichtung eine Einlaufführung auf. Die Einlaufführung stellt eine zusätzliche Möglichkeit dar, dass die Kompensationsmittel in der vorgegebenen Ausrichtung zueinander an der Umlenkeinrichtung bewegt werden.In a further development of the elevator installation, the deflection device has an inlet guide. The inlet guide represents an additional possibility that the compensation means are moved in the predetermined orientation to each other at the deflection.
Bei einer Weiterbildung der Aufzugsanlage ist die Umlenkeinrichtung durch eine Umlenkrolle gebildet. Eine solche Umlenkrolle ermöglicht eine Umlenkung und Führung der Kompensationsmittel ohne überhöhte Reibungsverluste.In a further development of the elevator installation, the deflection device is formed by a deflection roller. Such a pulley allows a deflection and guidance of the compensation means without excessive friction losses.
Eine Weiterbildung der Aufzugsanlage umfasst ein zweites Verbindungselement, welches in Längsrichtung des Kompensationsmittelstranges von dem Verbindungselement beabstandet ist, welches zweite Verbindungselement an dem zweiten Kompensationsmittel und an einem dritten Kompensationsmittel des Kompensationsmittelstranges fixiert ist. Vorzugsweise ist das zweite Verbindungselement 20 bis 100 m vom ersten Verbindungselement beabstandet. Auf diese Weise kann gewährleistet werden, dass sowohl die einzelnen Kompensationsmittel ihre relative Lage zueinander beibehalten als auch die Aufzugsanlage kostengünstig ausgebildet ist.A further development of the elevator installation comprises a second connection element, which is spaced from the connection element in the longitudinal direction of the compensation medium strand, which second connection element is fixed to the second compensation means and to a third compensation means of the compensation medium strand. Preferably, the second connection element is spaced 20 to 100 m from the first connection element. In this way it can be ensured that both the individual compensation means maintain their relative position to one another and the elevator installation is designed to be cost-effective.
Im Folgenden wird die Erfindung anhand von Figuren näher erläutert. Es zeigen:
- Figur 1:
- eine Aufzugsanlage;
- Figur 2:
- einen an einer Umlenkeinrichtung umgelenkten Kompensationsmittelstrang einer Aufzugsanlage mit einer Vielzahl von Verbindungselementen;
- Figur 3:
- ein Befestigungsbereich eines an einem Kompensationsmittel fixierten Verbindungselementes im Moment einer Stellung des Verbindungselementes an der Umlenkeinrichtung;
- Figur 4:
- ein Befestigungsbereich eines Verbindungelementes gemäss einer zweiten Alternative;
- Figur 5:
- ein Befestigungsbereich eines Verbindungelementes gemäss einer dritten Alternative;
- Figur 6:
- ein an einem Kompensationsmittelstrang angeordnetes Verbindungselement in einer alternativen Ausführungsform;
- Figur 7:
- ein an einem Kompensationsmittelstrang angeordnetes Verbindungselement gemäss einer weiteren Alternative;
- Figur 8a:
- eine im unteren Bereich der Aufzugsanlage angeordnete Umlenkeinrichtung; und
Figur 8b:- eine Einlaufführung der in
Figur 8a gezeigten Umlenkeinrichtung.
- FIG. 1:
- an elevator system;
- FIG. 2:
- a compensating means strand of an elevator installation with a multiplicity of connecting elements, which is deflected at a deflection device;
- FIG. 3:
- a mounting area of a fixed to a compensation means Connecting element at the moment a position of the connecting element on the deflection device;
- FIG. 4:
- a fastening region of a connecting element according to a second alternative;
- FIG. 5:
- a fastening region of a connecting element according to a third alternative;
- FIG. 6:
- a connector disposed on a compensating strand in an alternative embodiment;
- FIG. 7:
- a arranged on a compensation medium strand connecting element according to a further alternative;
- FIG. 8a:
- a deflection device arranged in the lower region of the elevator installation; and
- FIG. 8b:
- an inlet guide of in
FIG. 8a shown deflection.
Die Treibscheibe 9 kann im oberen Bereich der Aufzugsanlage 1 angeordnet sein, wobei das Tragmittel 6 bzw. der Tragmittelstrang über diese Treibscheibe 9 geführt ist. Die Aufzugskabine 2 und das Gegengewicht 4 sind voneinander abhängig bewegbar. Die gemäss
Darüber hinaus umfasst die Aufzugsanlage 1 einen Kompensationsmittelstrang 8 und eine der Umlenkung und Führung des Kompensationsmittelstranges 8 dienende Umlenkeinrichtung 10. Die Umlenkeinrichtung 10 ist im unteren Bereich der Aufzugsanlage 1 angeordnet. Ein erstes der beiden Enden 8.1 des Kompensationsmittelstranges 8 ist an der Aufzugskabine 2 fixiert. Das zweite Ende 8.2 des Kompensationsmittelstranges 8 ist am Gegengewicht 4 fixiert. Der Kompensationsmittelstrang 8 umfasst mehrere Kompensationsmittel. Durch die Führung des Kompensationsmittelstranges 8 an der Umlenkeinrichtung können unkontrollierte Bewegungen der Kompensationsmittel bzw. des Kompensationsmittelstranges 8 weitestgehend verhindert werden. Die Umlenkeinrichtung 10 kann als Umlenkrolle ausgebildet sein, wobei eine solche Umlenkrolle an einer Achse 10.1 rotierbar gelagert ist.In addition, the
Der Kompensationsmittelstrang 8 weist mindestens ein Verbindungselement 20, 20', 20" auf. Das Verbindungselement 20, 20', 20" verbindet zwei, vorzugsweise zwei nebeneinander verlaufende, Kompensationsmittel 81, 82, 83 des Kompensationsmittelstranges 8. Das Verbindungselement 20, 20', 20" ist an mindestens einem dieser Kompensationsmittel 81, 82, 83 fixiert. Ein erstes der Verbindungselemente 20 ist an einem ersten Kompensationsmittel 81 fixiert und an einem zweiten Kompensationsmittel 82 abgestützt. Unter der Voraussetzung, dass das erste Kompensationsmittel 81 im Wesentlichen nicht um seine Längsachse rotierbar ist, können aufgrund der Fixierung bzw. Abstützung des ersten Verbindungselementes 20 am ersten und am zweiten Kompensationsmittel 81, 82 unerwünschte Relativbewegungen zwischen dem ersten und dem zweiten Kompensationsmittel 81, 82 verhindert werden.The
Ein zweites der Verbindungselemente 20' ist an dem zweiten und an einem dritten Kompensationsmittel 82, 83 fixiert. Ein drittes Verbindungselement 20" ist am ersten und am zweiten Kompensationsmittel 81, 82 fixiert. Um ein Verwinden des Kompensationsmittelstranges 8 entlang seiner Länge zu verhindern, können definierte Abstände der einzelnen Verbindungselemente 20, 20', 20" zueinander vonnöten sein. Vorzugsweise beträgt ein Abstand B, B' zwischen zwei entlang des Kompensationsmittelstranges 8 aufeinanderfolgenden Verbindungselementen 20, 20', 20" zwischen 20 und 100 m. Der gewählte Abstand B, B' kann beispielhaft vom Material oder der Spannung der gewählten Kompensationsmitteln 81, 82, 83 des Kompensationsmittelstranges 8 abhängig sein.A second of the connecting elements 20 'is fixed to the second and to a third compensation means 82, 83. A
Die
Die als Umlenkrollen dargestellten Umlenkeinrichtungen 10 sind abschnittsweise dargestellt. Die Umlenkrollen 10 weisen eine Führungsrille 11.1 zur Führung des zugeordneten Kompensationsmittels 81 auf.The deflecting
Der in
Der in
Der in
Die
Der in
Der in
Eine erste der Führungsrillen 11.1 ist einem ersten der Kompensationsmittel 81, eine zweite der Führungsrillen 11.2 ist einem zweiten der Kompensationsmittel 82 und die dritte Führungsrille 11.3 ist dem dritten Kompensationsmittel 83 zugeordnet. Mittels des Verbindungselementes 20 wird ermöglicht, dass jedes der Kompensationsmittel 81, 82, 83 des Kompensationsmittelstranges 8 mittels der ihm zugeordneten Führungsrille 11.1, 11.2, 11.3 geführt und umgelenkt wird. Das bedeutet, dass die einzelnen Kompensationsmittel 81, 82, 83 gemäss einer vorgegebenen Ausrichtung zueinander an der Umlenkeinrichtung 10 geführt und umgelenkt werden. Entsprechend ist die Einlaufführung 12 derart ausgebildet, dass der das Verbindungselement 20 umfassende Kompensationsmittelstrang 8 durch diese Einlaufführung 12 bewegt werden kann.A first of the guide grooves 11.1 is a first of the compensation means 81, a second of the guide grooves 11.2 is a second of the compensation means 82 and the third guide groove 11.3 is associated with the third compensation means 83. By means of the connecting
Claims (9)
- A lift installation (1) comprising a lift car (2), a counterweight (4) and a carrying means (6), on which carrying means (6) the counterweight (4) and the lift car (2) are attached in such a manner that the lift car (2) and the counterweight (4) can be moved in a manner dependent upon one another,
a compensating-means line section (8) comprising a plurality of compensating means (81, 82, 83), which compensating-means line section (8) is suspended by way of one of the two ends (8.1) thereof on the lift car (2) and by way of the other end (8.2) thereof on the counterweight (4),
a deflecting device (10) arranged in the lower region of the lift installation (1),
the compensating-means line section (8) being deflected and guided by means of the deflecting device (10),
the compensating-means line section (8) having at least one connecting element (20), which connecting element (20) is fixed on a first of the compensating means (81) and acts on at least one second of the compensating means (82) in such a manner that a positional change, with respect to the lift installation (1), of the first and the second compensating means (81, 82) relative to one another is limited, the lift installation (1) comprising a second connecting element (20'), which is spaced in the longitudinal direction of the compensating-means line section (8) from the connecting element (20) by means of a space (B, B'), which second connecting element (20') is fixed on the second compensating means (82) and on a third compensating means (83) of the compensating-means line section (8), characterized in that the second connecting element (20') is spaced between 20 and 100 m from the connecting element (20) in the longitudinal direction of the compensating-means line section (8). - The lift installation (1) according to claim 1, wherein the connecting element (20) is fixed on the second compensating means (82).
- The lift installation (1) according to one of the preceding claims, wherein the connecting element (20) is spaced from the two ends (8.1, 8.2) of the compensating-means line section (8).
- The lift installation (1) according to one of the preceding claims, wherein the connecting element (20) is formed from plastic or from an inorganic material.
- The lift installation (1) according to one of the preceding claims, wherein the connecting element (20) comprises a fastening region (21) for fastening the connecting element (20) on the first compensating means (81), wherein the fastening region (21) is constructed in such a manner that the fastening region (21) only partially encloses the first compensating means (81).
- The lift installation (1) according to claim 5, wherein the fastening region (21) is formed from elastic plastic.
- The lift installation (1) according to one of claims 5 or 6, wherein the fastening region (21), at the moment of a position of the connecting element (20) on the deflecting device (10), essentially encloses the side of the first compensating means (81) facing away from the deflecting device (10).
- The lift installation (1) according to one of the preceding claims, wherein the deflecting device (10) has an inlet guide (12).
- The lift installation (1) according to one of the preceding claims, wherein the deflecting device (10) is formed by a deflection roller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13196276.3A EP2881354B1 (en) | 2013-12-09 | 2013-12-09 | Lift assembly with a compensation rope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13196276.3A EP2881354B1 (en) | 2013-12-09 | 2013-12-09 | Lift assembly with a compensation rope |
Publications (2)
Publication Number | Publication Date |
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EP2881354A1 EP2881354A1 (en) | 2015-06-10 |
EP2881354B1 true EP2881354B1 (en) | 2018-06-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13196276.3A Active EP2881354B1 (en) | 2013-12-09 | 2013-12-09 | Lift assembly with a compensation rope |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018077654A1 (en) * | 2016-10-31 | 2018-05-03 | Inventio Ag | Lift system with sorted belt as compensation element for compensating the unladen weight of the supporting means |
US11383958B2 (en) * | 2020-04-06 | 2022-07-12 | Otis Elevator Company | Elevator compensation rope guard |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1406220A1 (en) * | 1963-06-27 | 1968-10-03 | Schlott Dipl Ing Ludwig | Flexible traction means for moving the load in an elevator or conveyor device, in particular a shaft conveyor device |
JPS5424571B2 (en) * | 1973-01-29 | 1979-08-22 | ||
JPS62235179A (en) * | 1986-04-03 | 1987-10-15 | 三菱電機株式会社 | Emergency rescue device for elevator |
-
2013
- 2013-12-09 EP EP13196276.3A patent/EP2881354B1/en active Active
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None * |
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