EP1616833B1 - Elevator installation with parallel flat belt like carrier means - Google Patents
Elevator installation with parallel flat belt like carrier means Download PDFInfo
- Publication number
- EP1616833B1 EP1616833B1 EP20050106348 EP05106348A EP1616833B1 EP 1616833 B1 EP1616833 B1 EP 1616833B1 EP 20050106348 EP20050106348 EP 20050106348 EP 05106348 A EP05106348 A EP 05106348A EP 1616833 B1 EP1616833 B1 EP 1616833B1
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- European Patent Office
- Prior art keywords
- suspension
- sheave
- counterweight
- elevator car
- units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/0065—Roping
- B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
Definitions
- the invention relates to an elevator system with an elevator car and a counterweight, which are supported and driven by parallel flat belt-like support means.
- This suspension system has a reeving of at least 2: 1, and the suspension means - or their centerlines - are arranged in parallel vertical planes which run obliquely to the horizontal main axes of the counterweight and / or the elevator car.
- WO 99/43593 is known an elevator system with overhead drive motor, in which the elevator car and the counterweight are supported and driven by a plurality of parallel flat belts.
- Fig. 5 in WO 99/43593 shows a variant in which the support means forming flat belts carry the elevator car in the form of a sub-loop, wherein the support means are arranged in parallel vertical planes which are oblique to the horizontal main axes of the elevator car and the counterweight - ie, also obliquely to the walls of the elevator shaft - lost.
- the axes of the traction sheave, the support rollers mounted below the elevator car, as well as the support roller on the counterweight, are aligned at right angles to said support means planes and thus also obliquely to said main axes of the elevator car and the counterweight.
- the support roller of the counterweight can claim an installation space which exceeds the width (thickness) of the counterweight. This makes optimal utilization of the existing shaft cross-section in favor of the largest possible cabin floor area possible or requires a larger shaft cross section for a given cabin floor area.
- the present invention has for its object to eliminate the disadvantages mentioned in elevator systems, the support rollers on the counterweight and the elevator car and a plurality of parallel, flat-belt-like support means included, and in which the support means - more precisely their center lines - in several mutually parallel vertical planes are arranged, which extend obliquely to the horizontal main axes of the counterweight and / or the elevator car.
- the invention is therefore based on the idea to replace the too much installation-consuming, one-piece or uniaxial carrying rollers on the counterweight (and in certain cases also on the elevator car) by a plurality of juxtaposed support roller units, each with a support roller, the support roller units so on the counterweight and / or are attached to the elevator car, that the support roller axes are substantially horizontal and can be aligned by pivoting about an associated vertical axis.
- the problem can be circumvented that one consisting of one piece or from several arranged on the same axis support rollers existing multiple support roller protrudes beyond the installation space of the counterweight or not in an available installation space on an elevator car can be installed.
- the support roller units are oriented so that the support roller axes are perpendicular to the oblique to the main axes of the counterweight and / or the elevator car extending parallel planes in which the support means are arranged.
- the support roller axles are offset from each other in the horizontal direction, whereby the required installation space for the support rollers on the counterweight and / or for those on the elevator car can be minimized.
- each support roller unit is mounted in a support roller housing having a substantially rectangular horizontal cross-section whose length approximately equal to the diameter of the support roller and its width at most 150% of the width of the flat belt-like support means.
- the vertical axes about which the support roller units are pivotable arranged on the counterweight and / or on the elevator car along a straight line, wherein they have distances which are so much greater than the width of the horizontal cross section of the support roller housing in that the carrying-roller housings can be pivoted from their central position about their vertical axes by an angle of at most 40 ° each, before they block each other.
- the maximum possible swivel angle of the support roller housing - And thus the idlers - their mutual distance - and thus the distance between the parallel flat belt-like support means - are minimized, provided that the angle between the support means containing parallel, vertical planes and the horizontal straight lines, which are perpendicular to the horizontal line, along which the vertical axes of the support means are arranged on the counterweight and / or on the elevator car are not greater than 30 °.
- the horizontal straight line, along which the vertical axes of the support roller housing are arranged on the counterweight extends obliquely to the horizontal longitudinal axis of the counterweight.
- the carrying roller units are fastened to the elevator car and / or to the counterweight by means of a tie rod arranged approximately vertically in each case, wherein the pull rod also forms the said vertical axis about which the carrying roller unit is pivotable.
- the pull rod has at least one section with an external thread, wherein the external thread together with a screw thread part containing an internal thread thereto can serve to adjust the tension in the associated suspension.
- This can be dispensed with clamping means on the fixed points of the support means, which are usually less accessible for retightening by the maintenance personnel.
- the flat belt-like support means are designed as a V-ribbed belt.
- V-ribbed belts can be easily guided laterally on the traction sheave and on the carrying and deflecting rollers provided that they have a profiling complementary to the V-ribbed profile of the belt on their periphery.
- the traction force transmitted by the traction sheave on a belt is higher in the case of V-ribbed belts than in the case of a flat belt.
- elevator systems according to the invention can be designed with support rollers mounted above the elevator car, or they can be provided with support rollers provided underneath the elevator car - d. h., Can be realized with a so-called suspension means Unterschlingung, as in the above-cited prior art.
- Fig. 1 and 2 show an elevation and a plan of an inventive elevator system. Shown are substantially an elevator car 1 with a car frame 1.1, a side of the elevator car 1 installed counterweight 2, mounted in the shaft head of the elevator installation drive unit 3 with a drive motor 4.
- the drive motor 4 drives a belt pulley 11 a traction sheave 5, which is parallel to several mutually arranged, flat belt-like support means 6 acts (in Fig. 1 For the sake of clarity, only a single suspension element is shown).
- the reference numerals 7.1 and 7.2 are on the counterweight 2 or on the upper yoke 1.1.1 of the cabin frame 1.1 mounted carrying roller systems referred to, over which the flat belt-like support means 6, the elevator car 1 as well as the counterweight 2 carry and drive.
- the counterweight 2 as well as the elevator car 1 carrying roller systems 7.2, 7.1, which do not contain a one-piece suspension element roll and not a plurality of arranged on a single axis support roller, but a plurality of individual support roller units 8.2, 8.1 include integrated support rollers. These are attached to the counterweight and to the elevator car in such a manner that the carrier roller axles are horizontal and can be pivoted about a respective vertical axis 16 assigned to each carrier roller unit 8.2, 8.1.
- the carrying roller units 8.2, 8.1 are in Fig. 2 only as approximately the support roller outlines marking rectangles shown in which a small circle symbolizes the said vertical axes 16.
- the support roller units 8.2, 8.1 are pivoted and fixed so that the support roller axes integrated in them are perpendicular to the parallel, vertical planes 6.1, in which the support means 6 are arranged.
- the idler axles are arranged offset in the horizontal direction against each other, which is the placement of the idler roller systems 7.2, 7.1 within the vertical projection of the counterweight or within an upper yoke 1.1.1 of the car frame 1.1 of the elevator car 1 allows.
- FIG. 3, 4, 5 show a support roller unit 8.2, 8.1 in elevation, side elevation and floor plan.
- a support roller 9.1, 9.2 designed for the flat belt-type suspension element 6 is mounted in a support roller housing 17 with a rectangular horizontal cross section, wherein the horizontal cross section in the direction of the support roller axles 18 has a minimum possible width and its length corresponds approximately to the diameter of the support roller 9.2, 9.1.
- the thickness of the two walls 19 of the support roller housing 17 and the distances between them and the support means 6 arranged therebetween are selected so that the said width B of the horizontal cross section of the support roller housing does not exceed 150% of the support element width b and ideally 135% to 140% of the support element width b is.
- a pull rod 20 is connected to this, which serves to attach the support roller housing 17 and thus the support roller unit 8.2, 8.1 on the counterweight 2 and / or on the elevator car 1 and at the same time forms the above-mentioned vertical axis 16 to the the support roller unit can be swiveled.
- connection between the support roller housing 17 and the tie rod 20 is advantageously carried out via a inserted in the support roller housing round bolt 21, whereby a certain flexibility of said connection is achieved.
- the Drawbar 20 is provided at least on a part of its length with an external thread, which in conjunction with screw 26 on the one hand allows screwing with components of the counterweight 2 and / or the elevator car 1 and on the other hand serves to generate equal tensile stresses in the parallel support means 6.
- the flat belt-like support means 6 shown in cross-section may take the form of a V-ribbed belt in which at least one of the belt surfaces has a profiling comprising a plurality of parallel wedge-shaped ribs.
- V-ribbed belts can be perfectly guided on the pulleys and pulleys and ensure the transmission of greater traction between the traction sheave and the suspension element than with standard flat belts with the same Surface materials is possible.
- Figs. 6A and 7A are schematized and enlarged top views of the Fig. 1 and 2 known arrangement of the support rollers containing carrying roller units 8.2, 8.1 on the counterweight 2 or on the elevator car. 1 Out Figs. 6A and 7A It can be seen which advantageous effects can be achieved if the support roller systems consist of individual, about vertical axes 16 pivotable support roller units 8.2, 8.1.
- Fig. 1 and 2 are 1.1.1 the upper yoke of the cabin frame 1.1 and 2 denotes the counterweight. The like in Fig.
- the separate and separately mounted support roller units 8.2, 8.1 allow their arrangement with in the direction of the support means 6.1 horizontally mutually offset support roller axes 18 and thus on the one hand the arrangement of the support rollers of the counterweight 2 within the vertical projection of the counterweight and on the other hand, the arrangement of the support rollers of the elevator car 1, for example, within the width of a relatively narrow upper yoke 1.1.1 of the cabin frame of the car. 1
- the distances between the vertical axes (pivot axes) 16 of Support roller units 8.2, 8.1 are reduced so that the support roller units can only be pivoted by at most 30 ° from its central position, ie, they can be pivoted in total by a maximum of 60 °. This allows smaller distances between the support means 6 can be achieved.
- Fig. 6A With Fig. 6A is demonstrated that support roller systems that contain a one-piece support roller 22 for all suspension means or more arranged on a common axis support rollers require significantly more installation space than the idler systems 7.1, 7.2 according to Fig. 6A ,
- Fig. 7A shows an arrangement of the counterweight 2 mounted carrying roller units 8.2, in which the centers of the support roller units 8.2 - which usually coincide with the vertical axes 16, about which the support roller units can be pivoted - not on the horizontal longitudinal axis 23 of the counterweight 2 are arranged, but on It is readily apparent that with this measure at a given distance between the support means - and thus given distances between the support roller units - correspondingly larger angles ⁇ between the main axis 14 of the counterweight 2, and the main axis 13th the elevator car 1 and the vertical planes 6.1, in which the support means are arranged, can be realized.
- Fig. 7B is again recognizable how much installation space can be saved by the use of individually pivotable about a respective vertical axis and slidable in a horizontal plane support roller units.
- Fig. 7B represented, one-piece or single, on common Axis arranged rollers existing idlers 22 claim even at the larger angle ⁇ shown here much more space than the individually pivotally mounted support roller units 8.2, 8.1 according to Fig. 7A .
- the use of the carrying roller units according to the invention may be the only possibility of placing the carrying rollers on the elevator car within the space available in the upper yoke 1.1.1 of a car frame of the elevator car 1.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Types And Forms Of Lifts (AREA)
Description
Die Erfindung betrifft eine Aufzugsanlage mit einer Aufzugskabine und einem Gegengewicht, die durch parallel angeordnete flachriemenartige Tragmittel getragen und angetrieben sind. Am Gegengewicht und/oder an der Aufzugskabine sind Tragrollensysteme vorhanden, die zusammen mit einer Treibscheibe und den Tragmitteln ein Aufhängungssystem bilden. Dieses Aufhängungssystem weist eine Einscherung von mindestens 2:1 auf, und die Tragmittel - bzw. ihre Mittellinien - sind in parallelen vertikalen Ebenen angeordnet, die schräg zu den horizontalen Hauptachsen des Gegengewichts und/oder der Aufzugskabine verlaufen.The invention relates to an elevator system with an elevator car and a counterweight, which are supported and driven by parallel flat belt-like support means. On the counterweight and / or on the elevator car carrying roller systems are present, which together with a traction sheave and the support means form a suspension system. This suspension system has a reeving of at least 2: 1, and the suspension means - or their centerlines - are arranged in parallel vertical planes which run obliquely to the horizontal main axes of the counterweight and / or the elevator car.
Aus
Eine Aufzugsanlage wie sie in
Um die auf dem Gegengewicht vorhandene Tragrolle sind mehrere parallel angeordnete Flachriemen geführt, was zur Folge haben kann, dass die Tragrolle eine Breite aufweisen muss, die wesentlich grösser als die Breite des Gegengewichts ist. Infolge der für die gezeigte Flachriemenaufhängung notwendigen Schrägstellung der Tragrollenachse in Bezug auf die horizontalen Hauptachsen des Gegengewichts, kann die Tragrolle des Gegengewichts einen Einbauraum beanspruchen, der die Breite (Dicke) des Gegengewichts überschreitet. Dies verunmöglicht eine optimale Ausnutzung des vorhandenen Schachtquerschnitts zugunsten einer grösstmöglichen Kabinengrundfläche oder erfordert bei gegebener Kabinengrundfläche einen grösseren Schachtquerschnitt.To the existing on the counterweight idler roller a plurality of parallel flat belts are guided, which may have the consequence that the support roller must have a width which is substantially greater than the width of the counterweight. Due to the oblique position of the support roller axle with respect to the horizontal main axes of the counterweight, which is necessary for the flat belt suspension shown, the support roller of the counterweight can claim an installation space which exceeds the width (thickness) of the counterweight. This makes optimal utilization of the existing shaft cross-section in favor of the largest possible cabin floor area possible or requires a larger shaft cross section for a given cabin floor area.
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, die genannten Nachteile bei Aufzugsanlagen zu eliminieren, die Tragrollen am Gegengewicht und an der Aufzugskabine sowie mehrere parallel angeordnete, flachriemenartige Tragmittel enthalten, und bei welchen die Tragmittel - genauer deren Mittellinien - in mehreren zueinander parallelen, vertikalen Ebenen angeordnet sind, die schräg zu den horizontalen Hauptachsen des Gegengewichts und/oder der Aufzugskabine verlaufen.The present invention has for its object to eliminate the disadvantages mentioned in elevator systems, the support rollers on the counterweight and the elevator car and a plurality of parallel, flat-belt-like support means included, and in which the support means - more precisely their center lines - in several mutually parallel vertical planes are arranged, which extend obliquely to the horizontal main axes of the counterweight and / or the elevator car.
Erfindungsgemäss wird die Aufgabe durch die im Patentanspruch 1 angegebenen Massnahmen gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung gehen aus den abhängigen Ansprüchen 2 bis 10 hervor.According to the invention the object is achieved by the measures specified in
Die Erfindung beruht demnach auf dem Gedanken, die zu viel Einbauraum beanspruchenden, einteiligen oder einachsigen Tragrollen am Gegengewicht (und in gewissen Fällen auch an der Aufzugskabine) durch mehrere nebeneinander angeordnete Tragrolleneinheiten mit je einer Tragrolle zu ersetzen, wobei die Tragrolleneinheiten so am Gegengewicht und/oder an der Aufzugskabine befestigt sind, dass die Tragrollenachsen im Wesentlichen horizontal liegen und durch Schwenken um je eine zugehörige vertikale Achse ausrichtbar sind. Damit kann das Problem umgangen werden, dass eine aus einem Stück oder aus mehreren auf derselben Achse angeordneten Tragrollen bestehende Mehrfach-Tragrolle über den Einbauraum des Gegengewichts hinausragt oder nicht in einem verfügbaren Einbauraum an einer Aufzugskabine einbaubar ist.The invention is therefore based on the idea to replace the too much installation-consuming, one-piece or uniaxial carrying rollers on the counterweight (and in certain cases also on the elevator car) by a plurality of juxtaposed support roller units, each with a support roller, the support roller units so on the counterweight and / or are attached to the elevator car, that the support roller axes are substantially horizontal and can be aligned by pivoting about an associated vertical axis. Thus, the problem can be circumvented that one consisting of one piece or from several arranged on the same axis support rollers existing multiple support roller protrudes beyond the installation space of the counterweight or not in an available installation space on an elevator car can be installed.
Gemäss der bevorzugten Ausführungsform der Erfindung sind die Tragrolleneinheiten so ausgerichtet, dass die Tragrollenachsen rechtwinklig zu den schräg zu den Hauptachsen des Gegengewichts und/oder der Aufzugskabine verlaufenden, parallelen Ebenen stehen, in denen die Tragmittel angeordnet sind. Die Tragrollenachsen sind dabei in Horizontalrichtung gegeneinander versetzt, wodurch der erforderliche Einbauraum für die Tragrollen am Gegengewicht und/oder für diejenigen an der Aufzugskabine minimiert werden kann.According to the preferred embodiment of the invention, the support roller units are oriented so that the support roller axes are perpendicular to the oblique to the main axes of the counterweight and / or the elevator car extending parallel planes in which the support means are arranged. The support roller axles are offset from each other in the horizontal direction, whereby the required installation space for the support rollers on the counterweight and / or for those on the elevator car can be minimized.
Besonders zweckdienlich ist eine Ausführungsform der Erfindung, bei der die Tragrolle jeder Tragrolleneinheit in einem Tragrollengehäuse gelagert ist, das einen im Wesentlichen rechteckigen Horizontalquerschnitt aufweist, dessen Länge etwa dem Durchmesser der Tragrolle und dessen Breite maximal 150% der Breite des flachriemenartigen Tragmittels entsprechen. Mit einer solchen Ausführungsform ist gewährleistet, dass der Abstand zwischen den einzelnen flachriemenartigen Tragmitteln möglichst gering gehalten werden kann.Particularly useful is an embodiment of the invention in which the support roller of each support roller unit is mounted in a support roller housing having a substantially rectangular horizontal cross-section whose length approximately equal to the diameter of the support roller and its width at most 150% of the width of the flat belt-like support means. With such an embodiment it is ensured that the distance between the individual flat belt-like support means can be kept as low as possible.
Gemäss einer zweckmässigen Ausführungsform der Erfindung sind die vertikalen Achsen, um welche die Tragrolleneinheiten schwenkbar sind, auf dem Gegengewicht und/oder auf der Aufzugskabine entlang einer Geraden angeordnet, wobei sie voneinander Abstände aufweisen, die so viel grösser als die Breite des Horizontalquerschnitts der Tragrollengehäuse sind, dass die Tragrollengehäuse um einen Winkel von höchstens je 40° aus ihrer Mittellage um ihre vertikalen Achsen schwenkbar sind, bevor sie sich gegenseitig blockieren.
Damit wird erreicht, dass die Lage der Tragrolleneinheiten an erfindungsgemässe Aufzugsanlagen angepasst werden kann, bei denen die Winkel zwischen den die Tragmittel enthaltenden parallelen, vertikalen Ebenen und den horizontalen Geraden, die rechtwinklig zu den horizontalen Geraden stehen, entlang welcher die vertikalen Achsen der Tragmittel am Gegengewicht und/oder an der Aufzugskabine angeordnet sind, nicht grösser als 40° sindAccording to an expedient embodiment of the invention, the vertical axes about which the support roller units are pivotable, arranged on the counterweight and / or on the elevator car along a straight line, wherein they have distances which are so much greater than the width of the horizontal cross section of the support roller housing in that the carrying-roller housings can be pivoted from their central position about their vertical axes by an angle of at most 40 ° each, before they block each other.
This ensures that the position of the carrying roller units can be adapted to elevator systems according to the invention, in which the angles between the support means containing parallel vertical planes and the horizontal straight lines which are perpendicular to the horizontal line along which the vertical axes of the support means on Counterweight and / or are arranged on the elevator car, not greater than 40 °
Eine zweckdienliche Weiterbildung der Erfindung besteht darin, dass die vertikalen Achsen, um welche die Tragrolleneinheiten schwenkbar sind, voneinander Abstände aufweisen, die so viel grösser als die Breite des Horizontalquerschnitts der Tragrollengehäuse sind, dass die Tragrollengehäuse nur noch um einen Winkel von höchstens je 30° aus ihrer Mittellage um ihre vertikalen Achsen schwenkbar sind, bevor sie sich gegenseitig blockieren. Dank dieser Einschränkung der maximal möglichen Schwenkwinkel der Tragrollengehäuse - und damit der Tragrolleneinheiten - kann deren gegenseitiger Abstand - und damit der Abstand zwischen den parallel angeordneten flachriemenartigen Tragmitteln - minimiert werden, sofern die Winkel zwischen den die Tragmittel enthaltenden parallelen, vertikalen Ebenen und den horizontalen Geraden, die rechtwinklig zu den horizontalen Geraden stehen, entlang welcher die vertikalen Achsen der Tragmittel am Gegengewicht und/oder an der Aufzugskabine angeordnet sind, nicht grösser als 30° sind.An expedient development of the invention is that the vertical axes about which the support roller units are pivotable, have distances from one another, which are so much greater than the width of the horizontal cross section of the support roller housing, that the support roller housing only by an angle of at most 30 ° from their central position are pivotable about their vertical axes before they block each other. Thanks to this restriction, the maximum possible swivel angle of the support roller housing - And thus the idlers - their mutual distance - and thus the distance between the parallel flat belt-like support means - are minimized, provided that the angle between the support means containing parallel, vertical planes and the horizontal straight lines, which are perpendicular to the horizontal line, along which the vertical axes of the support means are arranged on the counterweight and / or on the elevator car are not greater than 30 °.
Nach einer weiteren Ausgestaltung der Erfindung verläuft die horizontale Gerade, entlang welcher die vertikalen Achsen der Tragrollengehäuse am Gegengewicht angeordnet sind, schräg zu der horizontalen Längsachse des Gegengewichts. Bei gegebenem Abstand zwischen den flachriemenartigen Tragmitteln und der davon abhängigen maximalen Verschwenkung der Tragrollengehäuse kann damit eine Erhöhung der Schrägstellung der Tragrolleneinheiten in Bezug auf die horizontalen Hauptachsen des Gegengewichts bzw. der Aufzugskabine ermöglicht werden, wobei jedoch ein geringfügig grösserer Einbauraum erforderlich ist.According to a further embodiment of the invention, the horizontal straight line, along which the vertical axes of the support roller housing are arranged on the counterweight, extends obliquely to the horizontal longitudinal axis of the counterweight. For a given distance between the flat belt-like support means and the dependent therefrom maximum pivoting of the support roller housing can thus be an increase in the inclination of the support roller units with respect to the horizontal main axes of the counterweight or the elevator car, however, a slightly larger installation space is required.
Vorteilhafterweise sind die Tragrolleneinheiten mittels je einer in etwa vertikal angeordneten Zugstange an der Aufzugskabine und/oder am Gegengewicht befestigt, wobei die Zugstange auch die genannte vertikale Achse bildet, um die die Tragrolleneinheit schwenkbar ist.Advantageously, the carrying roller units are fastened to the elevator car and / or to the counterweight by means of a tie rod arranged approximately vertically in each case, wherein the pull rod also forms the said vertical axis about which the carrying roller unit is pivotable.
Eine zweckdienliche Weiterbildung der Erfindung besteht darin, dass die Zugstange mindestens einen Abschnitt mit einem Aussengewinde aufweist, wobei das Aussengewinde zusammen mit einem ein Innengewinde enthaltenden Schraubteil dazu dienen kann, die Spannung im zugehörigen Tragmittel einzustellen. Damit kann auf Spannmittel an den Fixpunkten der Tragmittel verzichtet werden, die meist für das Nachspannen durch das Wartungspersonal weniger gut zugänglich angeordnet sind.An expedient development of the invention consists in that the pull rod has at least one section with an external thread, wherein the external thread together with a screw thread part containing an internal thread thereto can serve to adjust the tension in the associated suspension. This can be dispensed with clamping means on the fixed points of the support means, which are usually less accessible for retightening by the maintenance personnel.
Nach einer besonders vorteilhaften Ausführungsform der Erfindung sind die flachriemenartigen Tragmittel als Keilrippenriemen ausgeführt. Keilrippenriemen sind problemlos auf der Treibscheibe und auf den Trag- und Umlenkrollen seitlich führbar, sofern diese an ihrer Peripherie eine zum Keilrippenprofil des Riemens komplementäre Profilierung aufweisen. Ausserdem ist die von der Treibscheibe auf einen Riemen übertragbare Traktionskraft bei Keilrippenriemen höher als bei einem Flachriemen.According to a particularly advantageous embodiment of the invention, the flat belt-like support means are designed as a V-ribbed belt. V-ribbed belts can be easily guided laterally on the traction sheave and on the carrying and deflecting rollers provided that they have a profiling complementary to the V-ribbed profile of the belt on their periphery. In addition, the traction force transmitted by the traction sheave on a belt is higher in the case of V-ribbed belts than in the case of a flat belt.
Abhängig beispielsweise vom im Schachtkopf oder in der Schachtgrube der Aufzugsanlage zur Verfügung stehenden Schachtraum, können erfindungsgemässe Aufzugsanlagen mit oberhalb der Aufzugskabine angebrachten Tragrollen ausgeführt sein, oder sie können mit unterhalb der Aufzugskabine vorhandenen Tragrollen - d. h., mit einer so genannten Tragmittel-Unterschlingung, wie im vorstehend zitierten Stand der Technik - realisiert werden.Depending on, for example, the manhole space available in the shaft head or in the shaft pit of the elevator installation, elevator systems according to the invention can be designed with support rollers mounted above the elevator car, or they can be provided with support rollers provided underneath the elevator car - d. h., Can be realized with a so-called suspension means Unterschlingung, as in the above-cited prior art.
Ausführungsbeispiele der Erfindung sind im Folgenden anhand der beigefügten Zeichnungen erläutert.Embodiments of the invention are explained below with reference to the accompanying drawings.
Es zeigen:
- Fig. 1
- eine schematischen Seitenansicht einer erfindungs- gemässen Aufzugsanlage mit einer Aufzugskabine, einem Gegengewicht, einer im Schachtkopf montierten Antriebseinheit und einem symbolisch dargestellten Tragmittel eines 2:1-Aufhängungssystems.
- Fig. 2
- eine Draufsicht auf die in
Fig. 1 gezeigte Aufzugsanlage mit Antriebs- und Tragrollensystemen sowie mit den Tragmitteln des Aufhängungssystems. - Fig. 3
- eine Tragrolleneinheit im Aufriss mit einem Tragrollengehäuse und einer darin angeordneten Tragrolle für ein einzelnes flachriemenartiges Tragmittel der 2:1-Aufhängung.
- Fig. 4
- die Tragrolleneinheit gemäss
Fig. 3 , im Seitenriss. - Fig. 5
- die Tragrolleneinheit gemäss
Fig. 3 und 4 , im Grundriss. - Fig. 6A
- eine Draufsicht auf die Anordnung von Tragrollensystemen auf dem Gegengewicht und der Aufzugskabine, mit schwenkbaren einzelnen Tragrolleneinheiten, mit geringem Winkel zwischen der Tragmittelebene und den horizontalen Hauptachsen des Gegengewichts und der Aufzugskabine.
- Fig. 6B
- eine Draufsicht auf die Anordnung von Tragrollensystemen wie in
Fig. 6A , jedoch mit Tragrollen auf gemeinsamer Achse. - Fig. 7A
- eine Draufsicht auf die Anordnung von Tragrollensystemen wie in
Fig. 6A , jedoch mit grösserem Winkel zwischen der Tragmittelebene und den horizontalen Hauptachsen des Gegengewichts bzw. der Aufzugskabine. - Fig. 7B
- eine Draufsicht auf die Anordnung von Tragrollensystemen wie in
Fig. 7A , jedoch mit Tragrollen auf gemeinsamer Achse.
- Fig. 1
- a schematic side view of an inventive Appropriate elevator system with an elevator car, a counterweight, a drive unit mounted in the shaft head and a symbolically illustrated suspension means of a 2: 1 suspension system.
- Fig. 2
- a top view of the in
Fig. 1 shown elevator system with drive and idler roller systems and with the suspension means of the suspension system. - Fig. 3
- a support roller unit in elevation with a support roller housing and a support roller arranged therein for a single flat belt-like suspension means of the 2: 1 suspension.
- Fig. 4
- the carrying roller unit according to
Fig. 3 , in side elevation. - Fig. 5
- the carrying roller unit according to
3 and 4 , in plan. - Fig. 6A
- a plan view of the arrangement of idler roller systems on the counterweight and the elevator car, with pivotable individual idler units, at a low angle between the support center plane and the horizontal main axes of the counterweight and the elevator car.
- Fig. 6B
- a plan view of the arrangement of idler roller systems as in
Fig. 6A , but with carrying rollers on a common axis. - Fig. 7A
- a plan view of the arrangement of idler roller systems as in
Fig. 6A , but with a larger angle between the support center plane and the horizontal main axes of the counterweight or the elevator car. - Fig. 7B
- a plan view of the arrangement of idler roller systems as in
Fig. 7A , but with carrying rollers on a common axis.
Mit den Bezugszeichen 7.1 bzw. 7.2 sind auf dem Gegengewicht 2 bzw. auf dem oberen Joch 1.1.1 des Kabinenrahmens 1.1 montierte Tragrollensysteme bezeichnet, über welche die flachriemenartigen Tragmittel 6 die Aufzugskabine 1 wie auch das Gegengewicht 2 tragen und antreiben. Aus
By the reference numerals 7.1 and 7.2 are on the
Aus dem Grundriss (
Wie in
Im Folgenden sind die Konstruktion dieser Tragrolleneinheiten 8.2, 8.1, deren Anordnung, wie auch deren vorteilhafte Wirkungen detaillierter beschrieben.As in
In the following, the construction of these supporting roller units 8.2, 8.1, their arrangement, as well as their advantageous effects are described in more detail.
Im unteren Bereich des Tragrollengehäuses 17 ist eine Zugstange 20 mit diesem verbunden, die der Befestigung des Tragrollengehäuses 17 und damit der Tragrolleneinheit 8.2, 8.1 am Gegengewicht 2 und/oder an der Aufzugskabine 1 dient und gleichzeitig die vorstehend genannte vertikale Achse 16 bildet, um die die Tragrolleneinheit geschwenkt werden kann.In the lower region of the
Die Verbindung zwischen dem Tragrollengehäuse 17 und der Zugstange 20 erfolgt vorteilhafterweise über einen im Tragrollengehäuse eingelegten Rundbolzen 21, wodurch eine gewisse Gelenkigkeit der genannten Verbindung erreicht wird. Die Zugstange 20 ist mindestens auf einem Teil ihrer Länge mit einem Aussengewinde versehen, das in Zusammenwirkung mit Schraubteilen 26 einerseits eine Verschraubung mit Komponenten des Gegengewichts 2 und/oder der Aufzugskabine 1 ermöglicht und andererseits zum Erzeugen gleicher Zugspannungen in den parallelen Tragmitteln 6 dient.The connection between the
Aus den
Aus
Out
Aus
Die genannten Abstände sind so gewählt, dass die Tragrolleneinheiten 8.2, 8.1 in beiden Schwenkrichtungen um höchstens 40° aus ihrer Mittellage geschwenkt werden können, d. h., diese sind insgesamt um höchstens 80° schwenkbar.Out
The distances mentioned are chosen so that the support roller units 8.2, 8.1 can be pivoted in both pivot directions by at most 40 ° from its central position, ie, these are a total of at most 80 ° pivot.
Falls die Winkel zwischen den parallelen, vertikalen Ebenen 6.1, in denen die Tragmittel angeordnet sind, und den horizontalen Geraden, die rechtwinklig zu den horizontalen Geraden stehen, entlang welcher die vertikalen Achsen der Tragmittel am Gegengewicht und/oder an der Aufzugskabine angeordnet sind, entsprechend gering sind, können die Abstände zwischen den vertikalen Achsen (Schwenkachsen) 16 der Tragrolleneinheiten 8.2, 8.1 so reduziert werden, dass die Tragrolleneinheiten nur noch um höchstens 30° aus ihrer Mittellage geschwenkt werden können, d. h., sie sind insgesamt um höchstens 60° schwenkbar. Damit können geringere Abstände zwischen den Tragmitteln 6 erreicht werden.If the angles between the parallel, vertical planes 6.1 in which the support means are arranged and the horizontal straight lines which are perpendicular to the horizontal straight lines along which the vertical axes of the suspension means are arranged on the counterweight and / or on the elevator car, respectively are small, the distances between the vertical axes (pivot axes) 16 of Support roller units 8.2, 8.1 are reduced so that the support roller units can only be pivoted by at most 30 ° from its central position, ie, they can be pivoted in total by a maximum of 60 °. This allows smaller distances between the support means 6 can be achieved.
Mit
Aus
Claims (10)
- Elevator installation with an elevator car (1) and a counterweight (2) which are suspended and driven by several flat-belt-type suspension means (6) arranged in parallel,
there being present on the counterweight (2) and/or on the elevator car (1) suspension-sheave systems (7) which, together with at least one traction sheave (5) and the suspension means (6), form a suspension system with a reeving factor of at least 2:1, and the center lines of the suspension means (6) being arranged in parallel vertical planes (6.1) which run diagonal to main horizontal axes (14, 13) of the counterweight (2) and/or of the elevator car (1),
characterized in that
at least one of the suspension-sheave systems (7) comprises several suspension-sheave units (8.1, 8.2) arranged adjacent to each other, and each having at least one suspension sheave (9.1, 9.2), the suspension-sheave units (8.1, 8.2) being fastened on the counterweight (2) and/or on the elevator car (1) in such manner that the axes (18) of the suspension sheaves (9.1, 9.2) lie essentially horizontal and are each swivelable about one respectively associated vertical axis (16). - Elevator installation according to Claim 1,
characterized in that
the suspension-sheave units (8.1, 8.2) are so aligned that the axes (18) of the suspension sheaves (9.1, 9.2) are at right angles to the aforementioned parallel planes (6.1) and arranged offset relative to each other in the horizontal direction. - Elevator installation according to Claim 2,
characterized in that
the suspension sheave (9.1, 9.2) of each suspension-sheave unit (8.1, 8.2) is mounted in bearings in a suspension-sheave housing (17) which has an essentially rectangular horizontal cross section whose width (B) measured in the direction of the axis (18) of the suspension sheave (9.1, 9.2) is at maximum 150% of the width (b) of the flat-belt-type suspension means (6). - Elevator installation according to Claim 3,
characterized in that
the vertical axes (16) about which the suspension-sheave units (8.1, 8.2) are swivelable are arranged along a straight line on the counterweight (2) and/or on the elevator car (1) and have distances between each other which are so much greater than the width (B) of the horizontal cross section of the suspension-sheave housing (17) of the suspension-sheave units (8.1, 8.2) that the suspension-sheave units (8.1, 8.2) are swivelable about their vertical axes (16) at the most by an angle of 40° from their central position before they prevent each other from moving further. - Elevator installation according to Claim 3,
characterized in that
the vertical axes (16) about which the suspension-sheave units (8.1, 8.2) are swivelable are arranged along a straight line on the counterweight (2) and/or on the elevator car (1) and have distances between each other which are so much greater than the width (B) of the horizontal cross section of the suspension-sheave housing (17) of the suspension-sheave units (8.1, 8.2) that the suspension-sheave units (8.1, 8.2) can be swiveled at the most by an angle of 30° from their central position about their vertical axes (16) before they prevent each other from moving further. - Elevator installation according to Claim 5,
characterized in that
the horizontal straight line (24) along which the midpoints of the vertical axes (16) of the suspension-sheave units (8.1, 8.2) on the counterweight (2) are arranged runs diagonal to the horizontal longitudinal axis (23) of the counterweight (2). - Elevator installation according to Claim 6,
characterized in that
the suspension-sheave units (8.1, 8.2) are each fastened by one tie-rod (20) arranged approximately vertically on the elevator car and/or on the counterweight, the tie-rod (20) also forming the aforementioned vertical axis (16) about which the suspension-sheave units (8.1, 8.2) are swivelable. - Elevator installation according to Claim 7,
characterized in that
the tie-rod (20) has a section with an external thread, the external thread together with screw parts (26) containing internal threads serving to adjust the tension in the associated suspension means. - Elevator installation according to one of claims 1 to 8, characterized in that
the flat-belt-type suspension means (6) are executed as V-ribbed belts. - Elevator installation according to one of claims 1 to 8, characterized in that
the sections of the suspension means (6) which suspend the elevator car (1) are passed around suspension sheaves mounted above or below the elevator car.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20050106348 EP1616833B1 (en) | 2004-07-17 | 2005-07-12 | Elevator installation with parallel flat belt like carrier means |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04016913 | 2004-07-17 | ||
EP20050106348 EP1616833B1 (en) | 2004-07-17 | 2005-07-12 | Elevator installation with parallel flat belt like carrier means |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1616833A2 EP1616833A2 (en) | 2006-01-18 |
EP1616833A3 EP1616833A3 (en) | 2006-12-06 |
EP1616833B1 true EP1616833B1 (en) | 2010-02-24 |
Family
ID=35466364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20050106348 Not-in-force EP1616833B1 (en) | 2004-07-17 | 2005-07-12 | Elevator installation with parallel flat belt like carrier means |
Country Status (1)
Country | Link |
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EP (1) | EP1616833B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9371212B2 (en) | 2011-04-06 | 2016-06-21 | Otis Elevator Company | Elevator system including a 4:1 roping arrangement |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103370271B (en) | 2011-02-23 | 2016-03-02 | 奥的斯电梯公司 | Comprise the elevator device that 4:1 lanyard is arranged |
IT201800004466A1 (en) * | 2018-04-13 | 2019-10-13 | LIFTING SYSTEM WITH COUNTERWEIGHT AND CAB PULLEYS ALIGNED ON THE SAME SYMMETRY AXIS |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1066213B1 (en) * | 1998-02-26 | 2006-06-07 | Otis Elevator Company | Elevator system with overhead drive motor |
-
2005
- 2005-07-12 EP EP20050106348 patent/EP1616833B1/en not_active Not-in-force
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9371212B2 (en) | 2011-04-06 | 2016-06-21 | Otis Elevator Company | Elevator system including a 4:1 roping arrangement |
Also Published As
Publication number | Publication date |
---|---|
EP1616833A2 (en) | 2006-01-18 |
EP1616833A3 (en) | 2006-12-06 |
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