EP2655238B1 - Elevator car floor comprising a filling compound - Google Patents

Elevator car floor comprising a filling compound Download PDF

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Publication number
EP2655238B1
EP2655238B1 EP11794710.1A EP11794710A EP2655238B1 EP 2655238 B1 EP2655238 B1 EP 2655238B1 EP 11794710 A EP11794710 A EP 11794710A EP 2655238 B1 EP2655238 B1 EP 2655238B1
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EP
European Patent Office
Prior art keywords
composite
lift cage
chambers
structure core
base plate
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Not-in-force
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EP11794710.1A
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German (de)
French (fr)
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EP2655238A1 (en
Inventor
Christoph Schuler
Beat BRÜGGER
Lukas Zeder
René STREBEL
Thomas WÜEST
Urs Schaffhauser
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Inventio AG
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Inventio AG
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Priority to EP11794710.1A priority Critical patent/EP2655238B1/en
Publication of EP2655238A1 publication Critical patent/EP2655238A1/en
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Publication of EP2655238B1 publication Critical patent/EP2655238B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02—Cages, i.e. cars
    • B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49993—Filling of opening

Definitions

  • the invention relates to a lift cage floor in composite structure or sandwich construction, comprising at least one base plate, a cover plate and a composite structure core having at least two chambers, wherein the composite structure core is firmly connected to the base and the cover plate.
  • An elevator car is usually guided in vertically extending guide rails. It is important that the Gleit Equipments- or rolling guide shoes, which are arranged on the elevator car and guide the elevator car along the guide rails, as possible do not tilt relative to the guide rails. Under tilting should be meant in this context that the elevator car is inclined due to an uneven weight distribution and an associated shift of the center of gravity of the elevator car in the horizontal relative to the guide rails in the horizontal, so the elevator car or the cabin floor is not vertical or nearly vertical is arranged to the guide rails. As a result, the Gleit Equipments- or roller guide shoes are exposed to increased friction, which on the one hand leads to more wear and on the other hand to greater energy consumption. Usually, the uneven weight distribution of the elevator car with balance weights, which are arranged on the underside of the elevator car or in the elevator car frame, balanced.
  • elevator car floors with a composite structure are used in elevator construction.
  • Such an elevator car floor has, inter alia, the function to absorb the weight of the cabin superstructure with walls, car roof, cabin doors and various installations as well as the entire maximum payload and, usually via suitable vibration isolation elements to initiate in the cabin frame. It is important that the entire floor does not deform beyond certain limits even under eccentric load, ie it bends or twists. It is equally important that it can not be excited by excessive vibrations, as they are mainly transmitted from the drive via the suspension cables to the cabin, to unacceptably strong self-bending vibrations. This is most safely achieved by high bending stiffness of the soil in all directions resulting in the highest possible bending natural frequency.
  • elevator car floor Another requirement for such an elevator car floor is that its surface, which is usually formed by a steel sheet, undergoes non-permanent deformations under high loads concentrated on small surfaces (eg by means of transport devices with relatively small wheels). Regulations of certain European countries also write elevator cars may contain only minimal amounts of materials that are not classified as "non-flammable”.
  • the EP 0 566 424 B1 describes an embodiment of an elevator car floor, in which the required properties are to be achieved by applying a composite structure principle (sandwich principle).
  • a core made of wood, cardboard or thermoplastic foam is glued in substantially between an upper cover plate designed as a composite layer and a similar lower base plate.
  • support webs are inserted between strips of the core material. So that subsequent cabin parts, such as, for example, cabin walls or door sleepers can be fixed to this floor, the described composite structural panel is enclosed by a steel frame.
  • the EP1004538 B1 describes a cabin floor for passenger or goods lifts in composite structure or sandwich construction, which contains as a core a grid-like structure of intersecting longitudinal and transverse blades, which is firmly connected to the base plate and the cover plate.
  • a cabin floor is bending and torsionally rigid and has a high bending natural frequency. If the cabin floor is made of steel, the elements of the composite structure are connected to each other by hole welding.
  • JP 2010 228880 describes a cabin floor for elevators.
  • the elevator car is often weighted with corresponding weights on the underside of the elevator car or in the elevator car frame. In order for these weights can be attached to the underside of the elevator car, an additional frame or an additional component is often required.
  • An object of the invention is to propose a simpler and more efficient way of weighing a lift cage.
  • a core of the invention is that in a lift cage floor in composite structure or sandwich construction, consisting of at least one base plate, a cover plate and at least one interlayer composite core having at least two chambers, at least one of the at least two chambers of the composite core is at least partially filled with a fixed amount of filler, at least two chambers of the composite core being filled differently to balance the elevator cage.
  • the composite core is connected to the base and the cover plate, so for example glued, welded, welded by means of plug welding, bolted, thermoplastic connected, etc.
  • the composite structure core forming the connection between the base and cover plates can consist of a number of upright, intersecting lamellae in the form of a grate.
  • the grid interstices, so the cavities are referred to as chambers.
  • other, for. B. irregular or regularly shaped cavities or chambers in the composite structure core arise.
  • the lamellae of the grating can be firmly connected to the base and cover plates, for example by means of hole welding at the points of intersection.
  • the intersection of the lamellae lying at the same level is possible in that these lamellae are provided at all crossing points with slots which are punched or shaped at right angles to their longitudinal axis and whose width corresponds approximately to the thickness of the lamellae.
  • the slots extend in the direction of the extending in one direction slats from above and at the right angles to extending slats from below and each extend to about half the slat height.
  • the side walls of the cabin floor can be created by bending, deep drawing, etc. of the base or cover plate.
  • the side parts of the cabin floor are separate and are suitably connected to the base, the composite structure core and / or the cover plate, for example by welding, gluing, screwing, etc.
  • filling material the most diverse materials can be used, which are suitable to complain the elevator car.
  • cement, building rubble, stones, liquids, oils, metal and especially lead body, etc. are conceivable.
  • the filling compound in an embedding mass such as a silicone, a gel, rubber, cement, plastic, etc., be embedded.
  • unwanted movements of the filling compound can be prevented.
  • the base and / or cover plate may have at least one opening for introducing or filling in or emptying the filling compound and / or the embedding compound.
  • the at least one opening may be of any shape and dimensions.
  • the at least one opening could also be created, for example, by removing the base plate and / or the cover plate and thus exposing the at least two chambers of the composite structure core.
  • the filling compound and / or the embedding compound can be introduced or introduced into the at least one of the at least two chambers of the composite structure core of the elevator car floor or be removed or emptied.
  • An advantage of the invention is the fact that in a simple manner, the elevator car can be at least partially complained of without additional structural measures. There are no extra carriers, components, frames or the like to be attached to the elevator car, so weighted by the elevator car can be weighted or balanced.
  • Another advantage is the fact that a shift of the center of gravity of the elevator car in the horizontal can be compensated for at least partially efficiently by filling only individual chambers with the filling compound.
  • FIG. 1 shows an example of an elevator car floor according to the invention with a base plate 1, a cover plate 2, a composite core 3 located between base 1 and cover plate 2 and side parts 4.
  • the composite core 3 may have a lattice structure or any other structure, such. B. a honeycomb structure, a non-uniform lattice structure, etc. have.
  • the composite core 3 has a lattice structure.
  • These Lattice structure may have zones of particular reinforcement, for example in the middle or at the edges of the cabin floor. Due to the lattice structure of the composite core, cavities or chambers are created which may have different volumes.
  • the chambers or the honeycombs have, for example, a distance of 100 to 150 mm, wherein this distance, inter alia, depending on the requirements with respect to the flexural rigidity can be chosen larger or smaller, of course.
  • the base plate 1, the cover plate 2, the composite core 3 and the side parts 4 are ideally interconnected. This connection can z. B. by welding, gluing, screwing, etc. are generated.
  • the base plate 1, the cover plate 2, as in this example, and / or the side parts 4 have openings 5 through which a filling material can be introduced or filled into the cavities or chambers of the composite structure Kems.
  • These openings 5 may be, for example, holes, flaps, lids, etc. and are arbitrary in number. After filling these openings 5 can be closed in a suitable manner. Thus, these openings could for example be closed with a lid, a screw cap, a plug, a cover, etc. Also can be emptied again through these openings 5 of the elevator car floor.
  • FIG. 2 shows an example of the compensation of a shift of the center of gravity of the elevator car AK in the horizontal at any elevator system, for example a traction sheave elevator, a hydraulic elevator, an elevator without counterweight, etc.
  • the elevator car AK is shown from above.
  • the elevator car AK has the width BK and the depth TK and is guided via Gleit Results- or roller guide shoes, which are not shown for reasons of clarity, in guide rails FS.
  • the elevator car AK has a geometric center of gravity GSP If, for example, the door drive TA, a mirror S, an eccentrically pulling suspension cable HK etc.
  • This center of gravity VSP is determined by the fact that it (VSP) is at a distance a from the center of gravity axis A1 and at a distance b from the center of gravity axis A2 in the horizontal.
  • the centroid axes A1, A2 run through the geometric center of gravity GSP.
  • a fixed amount of a filling compound as the counterweight AGW in the Elevator car floor according to FIG. 1 introduced or filled and so that the center of gravity VSP shifts in the horizontal. This can be done during the manufacture of the elevator car floor or during assembly or during the maintenance of the elevator installation.
  • the counterweight AGW of the displaced center of gravity VSP is shifted in the direction of the geometric center of gravity GSP, for example, for the distance a to the center of gravity axis A1 for roller guide shoes a ⁇ 50 mm and for sliding guide shoes a ⁇ 100 mm can be selected.
  • the chambers of the composite structure core thus obviously have different degrees of filling
  • the filling compound to be introduced into the composite structure core 3 can be arbitrary.
  • cement, rubble, one or more metal bodies, one or more lead bodies, stones, liquids such as water, oils, chip wastes, etc. may be used. So that the filling compound can not move, this filling material can be embedded, for example, in an embedding mass. Such embedding masses can also be arbitrary. So z.
  • cement, silicone, a gel, plastic, rubber, etc. can be used.
  • the filling compound or the embedding compound can be introduced or filled, for example, via the openings 5, with the cover plate 2 open. In this case, one or more chambers of the composite structure core 3 are filled in such a way that the displaced center of gravity VSP is shifted in the direction of the geometric center of gravity GSP in the horizontal.
  • FIG. 3 shows a schematic representation of an inventive elevator system with a claim according to the invention elevator car AK.
  • an elevator system with an elevator car AK, which is moved vertically in a shaft SCH, so that they can operate floors 0. F to 4. F of a building.
  • the elevator installation has a traction sheave drive M.
  • the elevator car AK is connected via a suspension means, for example a rope, a belt, a wire rope, a metal band, etc., with a counterweight G.
  • the elevator car floor of the elevator car as in the FIGS. 1 and 2 is filled with a filler mass as a counterweight AGW, so that the Elevator car AK has a higher mass.
  • the friction on the traction sheave of the traction sheave drive M can be optimized.

Description

Die Erfindung betrifft einen Aufzugskabinenboden in Verbundstruktur- oder Sandwich-Bauweise, bestehend aus zumindest einer Grundplatte, einer Deckplatte und einem mindestens zwei Kammern aufweisenden dazwischen liegenden Verbundsstruktur-Kern, wobei der r Verbundsstruktur-Kern mit der Grund- und der Deckplatte fest verbunden ist.The invention relates to a lift cage floor in composite structure or sandwich construction, comprising at least one base plate, a cover plate and a composite structure core having at least two chambers, wherein the composite structure core is firmly connected to the base and the cover plate.

Eine Aufzugskabine wird meist in vertikal verlaufenden Führungsschienen geführt. Dabei ist es wichtig, dass die Gleitführungs- bzw. Rollführungsschuhe, welche an der Aufzugskabine angeordnet sind und die Aufzugskabine entlang der Führungsschienen führen, möglichst nicht gegenüber den Führungsschienen verkanten. Unter Verkantung soll in diesem Zusammenhang gemeint sein, dass die Aufzugskabine aufgrund einer ungleichmässigen Gewichtsverteilung und einer damit verbundenen Verlagerung des Schwerpunktes der Aufzugskabine in der Horizontalen gegenüber den Führungsschienen in der Horizontalen geneigt ist, also die Aufzugskabine bzw. der Kabinenboden nicht senkrecht bzw. nahezu senkrecht zu den Führungsschienen angeordnet ist. Dadurch sind die Gleitführungs- bzw. Rollführungsschuhe erhöhter Reibung ausgesetzt, was einerseits zu mehr Abnutzung und andererseits zu grösserem Energieverbrauch führt. Üblicherweise wird die ungleichmässige Gewichtsverteilung der Aufzugskabine mit Ausgleichsgewichten, welche an der Unterseite der Aufzugskabine oder im Aufzugskabinenrahmen angeordnet werden, ausgeglichen.An elevator car is usually guided in vertically extending guide rails. It is important that the Gleitführungs- or rolling guide shoes, which are arranged on the elevator car and guide the elevator car along the guide rails, as possible do not tilt relative to the guide rails. Under tilting should be meant in this context that the elevator car is inclined due to an uneven weight distribution and an associated shift of the center of gravity of the elevator car in the horizontal relative to the guide rails in the horizontal, so the elevator car or the cabin floor is not vertical or nearly vertical is arranged to the guide rails. As a result, the Gleitführungs- or roller guide shoes are exposed to increased friction, which on the one hand leads to more wear and on the other hand to greater energy consumption. Usually, the uneven weight distribution of the elevator car with balance weights, which are arranged on the underside of the elevator car or in the elevator car frame, balanced.

Häufig werden im Aufzugsbau Aufzugskabinenböden mit einer Verbundsstruktur verwendet. Ein derartiger Aufzugskabinenboden hat u. a. die Funktion, das Gewicht des Kabinenoberbaus mit Wänden, Kabinendach, Kabinentüren und diversen Einbauten sowie auch die gesamte maximale Nutzlast aufzunehmen und, meistens über geeignete Schwingungsisolationselemente, in den Kabinenrahmen einzuleiten. Dabei ist wichtig, dass der gesamte Boden sich auch unter exzentrischer Last nicht über gewisse Grenzen deformiert, das heisst sich durchbiegt oder verdreht. Ebenso wichtig ist, dass er nicht durch Störschwingungen, wie sie hauptsächlich vom Antrieb über die Tragseile auf die Kabine übertragen werden, zu unzulässig starken Eigen-Biegeschwingungen angeregt werden kann. Dies wird am sichersten durch hohe Biege-Steifigkeit des Bodens in allen Richtungen mit daraus resultierend höchstmöglicher Biege-Eigenfrequenz erreicht. Eine weitere Anforderung an einen solchen Aufzugskabinenboden ist, dass seine Oberfläche, die meist durch ein Stahlblech gebildet wird, unter hohen, auf kleine Flächen konzentrierte Lasten (z.B. durch Transporteinrichtungen mit relativ kleinen Rädern) nicht bleibende Verformungen erleidet. Vorschriften gewisser europäischer Länder schreiben zudem vor, dass Aufzugskabinen nur minimale Mengen an Materialien enthalten dürfen, die nicht als ,,nicht brennbar" klassiert sind.Often elevator car floors with a composite structure are used in elevator construction. Such an elevator car floor has, inter alia, the function to absorb the weight of the cabin superstructure with walls, car roof, cabin doors and various installations as well as the entire maximum payload and, usually via suitable vibration isolation elements to initiate in the cabin frame. It is important that the entire floor does not deform beyond certain limits even under eccentric load, ie it bends or twists. It is equally important that it can not be excited by excessive vibrations, as they are mainly transmitted from the drive via the suspension cables to the cabin, to unacceptably strong self-bending vibrations. This is most safely achieved by high bending stiffness of the soil in all directions resulting in the highest possible bending natural frequency. Another requirement for such an elevator car floor is that its surface, which is usually formed by a steel sheet, undergoes non-permanent deformations under high loads concentrated on small surfaces (eg by means of transport devices with relatively small wheels). Regulations of certain European countries also write elevator cars may contain only minimal amounts of materials that are not classified as "non-flammable".

Die EP 0 566 424 B1 beschreibt eine Ausführung eines Aufzugs-Kabinenbodens, bei der die geforderten Eigenschaften durch Anwendung eines Verbundstruktur-Prinzips (Sandwich-Prinzip) erreicht werden sollen. Dabei wird im Wesentlichen zwischen einer als Verbundschicht ausgeführten oberen Deckplatte und einer gleichartigen unteren Grundplatte ein Kern aus Holz, Karton oder thermoplastischem Schaum eingeklebt. Um genügende Widerstandsfestigkeit der Deckplatte, welche die Kabinenbodenfläche bildet, gegen auf kleine Flächen konzentrierte Lasten zu erreichen, sind zwischen Streifen des Kernmaterials Stützstege eingelegt. Damit an diesem Boden anschliessende Kabinenteile, wie z.B. Kabinenwände oder Türschwellen fixiert werden können, ist die beschriebene Verbundstrukturplatte von einem Stahlrahmen umschlossen.The EP 0 566 424 B1 describes an embodiment of an elevator car floor, in which the required properties are to be achieved by applying a composite structure principle (sandwich principle). In this case, a core made of wood, cardboard or thermoplastic foam is glued in substantially between an upper cover plate designed as a composite layer and a similar lower base plate. In order to achieve sufficient resistance strength of the cover plate, which forms the cabin floor surface, against concentrated on small areas loads, support webs are inserted between strips of the core material. So that subsequent cabin parts, such as, for example, cabin walls or door sleepers can be fixed to this floor, the described composite structural panel is enclosed by a steel frame.

Die EP1004538 B1 beschreibt einen Kabinenboden für Personen- oder Lastenaufzüge in Verbundstruktur- oder Sandwich-Bauweise, welcher als Kern eine gitterrostähnliche Struktur aus sich kreuzenden Längs- und Querlamellen enthält, die mit der Grundplatte und der Deckplatte fest verbunden ist. Ein solcher Kabinenboden ist biege- und verdrehsteif und hat eine hohe Biege-Eigenfrequenz. Besteht der Kabinenboden aus Stahl, so werden die Elemente der Verbundstruktur miteinander durch Lochschweissung verbunden.The EP1004538 B1 describes a cabin floor for passenger or goods lifts in composite structure or sandwich construction, which contains as a core a grid-like structure of intersecting longitudinal and transverse blades, which is firmly connected to the base plate and the cover plate. Such a cabin floor is bending and torsionally rigid and has a high bending natural frequency. If the cabin floor is made of steel, the elements of the composite structure are connected to each other by hole welding.

Auch JP 2010 228880 beschreibt einen Kabinenboden für Aufzuge.Also JP 2010 228880 describes a cabin floor for elevators.

Dadurch, dass die Masse eines Aufzugskabinenboden mit einem Verbundsstruktur-Kern bauartbedingt gering ist, kann es vorkommen, dass die Reibung bei Treibscheibenaufzügen an der Treibscheibe zu gering ist und es dadurch zum Durchdrehen der Tragmittel an der Treibscheibe kommt. Um dem Entgegenzuwirken wird die Aufzugskabine häufig mit entsprechenden Gewichten an der Unterseite der Aufzugskabine oder im Aufzugskabinenrahmen beschwert. Damit diese Gewichte an der Unterseite der Aufzugskabine angebracht werden können, wird häufig ein zusätzlicher Rahmen bzw. ein zusätzliches Bauteil benötigt.Due to the fact that the mass of an elevator car floor with a composite structure core is low due to design, it may happen that the friction in traction sheave lifts on the traction sheave is too low and, as a result, the support means on the traction sheave spin. To counteract this, the elevator car is often weighted with corresponding weights on the underside of the elevator car or in the elevator car frame. In order for these weights can be attached to the underside of the elevator car, an additional frame or an additional component is often required.

Eine Aufgabe der Erfindung ist es, eine einfachere und effizientere Möglichkeit für eine Beschwerung einer Aufzugskabine vorzuschlagen.An object of the invention is to propose a simpler and more efficient way of weighing a lift cage.

Die Erfindung wird anhand der Merkmale der unabhängigen Patentansprüche gelöst. Weiterführungen sind in den abhängigen Ansprüchen angegeben.The invention is solved by the features of the independent claims. Continuations are given in the dependent claims.

Ein Kern der Erfindung besteht darin, dass bei einem Aufzugskabinenboden in Verbundsstruktur- oder Sandwich-Bauweise, bestehend aus zumindest einer Grundplatte, einer Deckplatte und zumindest einem mindestens zwei Kammern aufweisenden dazwischen liegenden Verbundsstruktur-Kern, mindestens eine der mindestens zwei Kammern des Verbundsstruktur-Kerns mit einer festgelegten Menge einer Füllmasse zumindest teilweise befüllt ist, wobei zum Ausbalancieren der Aufzugskabine mindestens zwei Kammern des Verbundsstruktur-Kerns unterschiedlich befüllt sind. Der Verbundsstruktur-Kern ist mit der Grund- und der Deckplatte verbunden, also beispielsweise verklebt, verschweisst, mittels Lochschweissung verschweisst, verschraubt, thermoplastisch verbunden etc.A core of the invention is that in a lift cage floor in composite structure or sandwich construction, consisting of at least one base plate, a cover plate and at least one interlayer composite core having at least two chambers, at least one of the at least two chambers of the composite core is at least partially filled with a fixed amount of filler, at least two chambers of the composite core being filled differently to balance the elevator cage. The composite core is connected to the base and the cover plate, so for example glued, welded, welded by means of plug welding, bolted, thermoplastic connected, etc.

Erfindungsgemäss kann der die Verbindung zwischen Grund- und Deckplatte bildende Verbundsstruktur-Kern aus einer Anzahl von Hochkant stehenden, sich kreuzenden Lamellen in Form eines Gitterrosts bestehen. Die Gitterrostzwischenräume, also die Hohlräume, werden als Kammern bezeichnet. Selbstverständlich könnten in Abhängigkeit der Bauweise des Verbundsstruktur-Kerns auch andere, z. B. unregelmässig oder regelmässig geformte Hohlräume bzw. Kammern im Verbundsstruktur-Kern entstehen.According to the invention, the composite structure core forming the connection between the base and cover plates can consist of a number of upright, intersecting lamellae in the form of a grate. The grid interstices, so the cavities are referred to as chambers. Of course, depending on the construction of the composite structure core, other, for. B. irregular or regularly shaped cavities or chambers in the composite structure core arise.

Die Lamellen des Gitterrosts können zum Beispiel durch Lochschweissung an den Kreuzungspunkten mit der Grund- und der Deckplatte fest verbunden sein.The lamellae of the grating can be firmly connected to the base and cover plates, for example by means of hole welding at the points of intersection.

Die Kreuzung der auf gleichem Niveau liegenden Lamellen ist dadurch möglich, dass diese Lamellen an allen Kreuzungspunkten mit rechtwinklig zu ihrer Längsachse gestanzten bzw. geformten Schlitzen versehen sind, deren Breite der Lamellen in etwa der Materialdicke entspricht. Dabei verlaufen die Schlitze die bei den in der einen Richtung verlaufenden Lamellen von oben und bei den rechtwinklig dazu verlaufenden Lamellen von unten und reichen jeweils etwa zur halben Lamellenhöhe.The intersection of the lamellae lying at the same level is possible in that these lamellae are provided at all crossing points with slots which are punched or shaped at right angles to their longitudinal axis and whose width corresponds approximately to the thickness of the lamellae. In this case, the slots extend in the direction of the extending in one direction slats from above and at the right angles to extending slats from below and each extend to about half the slat height.

Die Seitenwände des Kabinenbodens können durch Biegen, Tiefziehen etc. der Grund- oder Deckplatte erzeugt werden. Jedoch ist es auch vorstellbar, dass die Seitenteile des Kabinenbodens separat sind und geeignet mit der Grund-, dem Verbundsstruktur-Kern und/oder der Deckplatte verbunden werden, zum Beispiel durch verschweissen, verkleben, verschrauben etc.The side walls of the cabin floor can be created by bending, deep drawing, etc. of the base or cover plate. However, it is also conceivable that the side parts of the cabin floor are separate and are suitably connected to the base, the composite structure core and / or the cover plate, for example by welding, gluing, screwing, etc.

Als Füllmasse können die verschiedensten Materialien verwendet werden, die geeignet sind die Aufzugskabine zu beschweren. So sind Zement, Bauschutt, Steine, Flüssigkeiten, Öle, Metall- und insbesondere Bleikörper etc. vorstellbar. Dabei kann die Füllmasse in eine Einbettungsmasse, wie etwa ein Silikon, ein Gel, Kautschuk, Zement, Kunststoff usw., eingebettet sein. Damit können zum Beispiel ungewollte Bewegungen der Füllmasse verhindert werden.As filling material, the most diverse materials can be used, which are suitable to complain the elevator car. Thus, cement, building rubble, stones, liquids, oils, metal and especially lead body, etc. are conceivable. In this case, the filling compound in an embedding mass, such as a silicone, a gel, rubber, cement, plastic, etc., be embedded. Thus, for example, unwanted movements of the filling compound can be prevented.

Erfindungsgemäss kann die Grund- und/oder Deckplatte zumindest eine Öffnung zum Einbringen bzw. Einfüllen bzw. Entleeren der Füllmasse und/oder der Einbettungsmasse aufweisen. Die mindestens eine Öffnung kann von ihrer Form und ihren Dimensionen beliebig sein. Die mindestens eine Öffnung könnte zum Beispiel auch dadurch entstehen, dass die Grund- und/oder die Deckplatte entfernt wird und somit die mindestens zwei Kammern des Verbundsstruktur-Kerns freigelegt werden.According to the invention, the base and / or cover plate may have at least one opening for introducing or filling in or emptying the filling compound and / or the embedding compound. The at least one opening may be of any shape and dimensions. The at least one opening could also be created, for example, by removing the base plate and / or the cover plate and thus exposing the at least two chambers of the composite structure core.

Die Füllmasse und/oder die Einbettungsmasse kann bzw. können während der Herstellung des Aufzugskabinenbodens, während der Montage der Aufzugsanlage und/oder im Rahmen der Wartung der Aufzugsanlage in die mindestens eine der mindestens zwei Kammern des Verbundsstruktur-Kerns des Aufzugskabinenbodens eingefüllt bzw. eingebracht oder entfernt bzw. entleert werden.During the manufacture of the elevator car floor, during the assembly of the elevator installation and / or during the maintenance of the elevator installation, the filling compound and / or the embedding compound can be introduced or introduced into the at least one of the at least two chambers of the composite structure core of the elevator car floor or be removed or emptied.

Ein Vorteil der Erfindung ist darin zu sehen, dass auf einfache Art und Weise die Aufzugskabine ohne zusätzliche bauliche Massnahmen zumindest teilweise beschwert werden kann. Es müssen keine Extra-Träger, Bauteile, Rahmen oder Ähnliches an die Aufzugskabine angebracht werden, damit mittels Gewichten die Aufzugskabine beschwert bzw. ausbalanciert werden kann.An advantage of the invention is the fact that in a simple manner, the elevator car can be at least partially complained of without additional structural measures. There are no extra carriers, components, frames or the like to be attached to the elevator car, so weighted by the elevator car can be weighted or balanced.

Ein weiterer Vorteil ist darin zu sehen, dass eine Verlagerung des Schwerpunktes der Aufzugskabine in der Horizontale effizient zumindest teilweise ausgeglichen werden kann, indem nur einzelne Kammern mit der Füllmasse befüllt werden.Another advantage is the fact that a shift of the center of gravity of the elevator car in the horizontal can be compensated for at least partially efficiently by filling only individual chambers with the filling compound.

Die Erfindung wird anhand eines in den Figuren dargestellten Ausführungsbeispiels näher erläutert. Dabei zeigen

Fig. 1
ein Beispiel eines erfindungsgemässen Aufzugkabinenbodens,
Fig. 2
ein Beispiel für den Ausgleich einer Verlagerung des Schwerpunktes der Aufzugskabine in der Horizontalen und
Fig. 3
eine schemenhafte Darstellung einer Aufzugsanlage mit einer erfindungsgemäss beschwerten Aufzugskabine.
The invention will be explained in more detail with reference to an embodiment shown in FIGS. Show
Fig. 1
an example of an elevator car floor according to the invention,
Fig. 2
an example of the compensation of a shift of the center of gravity of the elevator car in the horizontal and
Fig. 3
a schematic representation of an elevator system with a claim according to the invention elevator car.

Figur 1 zeigt ein Beispiel eines erfindungsgemässen Aufzugkabinenbodens mit einer Grundplatte 1, einer Deckplatte 2, einem zwischen Grund- 1 und Deckplatte 2 befindlichen Verbundsstruktur-Kern 3 und Seitenteilen 4. Der Verbundsstruktur-Kern 3 kann eine Gitterstruktur oder jegliche andere Struktur, wie z. B. eine Wabenstruktur, eine ungleichmässige Gitterstruktur etc. aufweisen. Im vorliegenden Beispiel weist der Verbundsstruktur-Kern 3 eine Gitterstruktur auf. Diese Gitterstruktur kann Zonen mit besonderer Verstärkung, zum Beispiel in der Mitte oder an den Rändern des Kabinenbodens, aufweisen. Aufgrund der Gitterstruktur des Verbundsstruktur-Kerns entstehen Hohlräume bzw. Kammern, die unterschiedliche Volumen haben können. Die Kammern bzw. die Waben haben dabei beispielsweise einen Abstand von 100 bis 150 mm, wobei dieser Abstand u. a. in Abhängigkeit der Erfordernisse in Bezug auf die Biegesteifigkeit selbstverständlich grösser oder kleiner gewählt werden kann. FIG. 1 shows an example of an elevator car floor according to the invention with a base plate 1, a cover plate 2, a composite core 3 located between base 1 and cover plate 2 and side parts 4. The composite core 3 may have a lattice structure or any other structure, such. B. a honeycomb structure, a non-uniform lattice structure, etc. have. In the present example, the composite core 3 has a lattice structure. These Lattice structure may have zones of particular reinforcement, for example in the middle or at the edges of the cabin floor. Due to the lattice structure of the composite core, cavities or chambers are created which may have different volumes. The chambers or the honeycombs have, for example, a distance of 100 to 150 mm, wherein this distance, inter alia, depending on the requirements with respect to the flexural rigidity can be chosen larger or smaller, of course.

Die Grundplatte 1, die Deckplatte 2, der Verbundstruktur-Kern 3 und die Seitenteile 4 sind idealerweise miteinander verbunden. Diese Verbindung kann z. B. durch Schweissen, Verkleben, Verschrauben etc. erzeugt werden.The base plate 1, the cover plate 2, the composite core 3 and the side parts 4 are ideally interconnected. This connection can z. B. by welding, gluing, screwing, etc. are generated.

Auch können die Grundplatte 1, die Deckplatte 2, wie in diesem Beispiel, und/oder die Seitenteile 4 Öffnungen 5 aufweisen, über die eine Füllmasse in die Hohlräume bzw. Kammern des Verbundsstruktur-Kems eingebracht bzw. eingefüllt werden kann. Diese Öffnungen 5 können beispielsweise Bohrungen, Klappen, Deckel etc. sein und sind von der Anzahl her beliebig. Nach dem Einfüllen können diese Öffnungen 5 in geeigneter Weise verschlossen werden. So könnten diese Öffnungen beispielsweise mit einem Deckel, einem Schraubverschluss, einem Pfropfen, einer Abdeckung etc. verschlossen werden. Auch kann über diese Öffnungen 5 der Aufzugskabinenboden wieder entleert werden.Also, the base plate 1, the cover plate 2, as in this example, and / or the side parts 4 have openings 5 through which a filling material can be introduced or filled into the cavities or chambers of the composite structure Kems. These openings 5 may be, for example, holes, flaps, lids, etc. and are arbitrary in number. After filling these openings 5 can be closed in a suitable manner. Thus, these openings could for example be closed with a lid, a screw cap, a plug, a cover, etc. Also can be emptied again through these openings 5 of the elevator car floor.

Figur 2 zeigt ein Beispiel für den Ausgleich einer Verlagerung des Schwerpunktes der Aufzugskabine AK in der Horizontalen bei einer beliebigen Aufzugsanlage, zum Beispiel ein Treibscheibenaufzug, ein hydraulischer Aufzug, ein Aufzug ohne Gegengewicht etc. In der vorliegenden Figur ist die Aufzugskabine AK von oben gezeigt. Die Aufzugskabine AK hat die Breite BK und die Tiefe TK und wird über Gleitführungs- bzw. Rollführungsschuhe, die aus Gründen der Übersichtlichkeit nicht dargestellt sind, in Führungsschienen FS geführt. Die Aufzugskabine AK weist einen geometrischen Schwerpunkt GSP auf Wenn zum Beispiel der Türantrieb TA, ein Spiegel S, ein exzentrisch ziehendes Hängekabel HK etc. in oder ausserhalb der Aufzugskabine AK angeordnet bzw. montiert werden, verlagert sich der Schwerpunkt der Aufzugskabine in der Horizontalen, in dieser Figur als verlagerter Schwerpunkt VSP dargestellt. Dieser Schwerpunkt VSP ist dadurch bestimmt, dass er (VSP) sich im Abstand a von der Schwerpunktsachse A1 und im Abstand b von der Schwerpunktsachse A2 in der Horizontalen befindet. Die Schwerpunktsachsen A1, A2 verlaufen durch den geometrischen Schwerpunkt GSP. FIG. 2 shows an example of the compensation of a shift of the center of gravity of the elevator car AK in the horizontal at any elevator system, for example a traction sheave elevator, a hydraulic elevator, an elevator without counterweight, etc. In the present figure, the elevator car AK is shown from above. The elevator car AK has the width BK and the depth TK and is guided via Gleitführungs- or roller guide shoes, which are not shown for reasons of clarity, in guide rails FS. The elevator car AK has a geometric center of gravity GSP If, for example, the door drive TA, a mirror S, an eccentrically pulling suspension cable HK etc. are arranged or mounted in or outside the elevator car AK, the center of gravity of the elevator car shifts in the horizontal, in This figure is shown as a displaced center of gravity VSP. This center of gravity VSP is determined by the fact that it (VSP) is at a distance a from the center of gravity axis A1 and at a distance b from the center of gravity axis A2 in the horizontal. The centroid axes A1, A2 run through the geometric center of gravity GSP.

Um die Verlagerung des Schwerpunktes VSP zumindest teilweise auszugleichen, wird erfindungsgemäss eine festgelegte Menge einer Füllmasse als Ausgleichsgewicht AGW in den Aufzugskabinenboden gemäss Figur 1 eingebracht bzw. eingefüllt und das so, dass sich der Schwerpunkt VSP in der Horizontalen verlagert. Dies kann während der Herstellung des Aufzugskabinenbodens oder während der Montage oder während der Wartung der Aufzugsanlage geschehen. Durch das Ausgleichsgewicht AGW wird der verlagerte Schwerpunkt VSP in Richtung des geometrischen Schwerpunktes GSP verschoben, wobei zum Beispiel für den Abstand a zur Schwerpunktsachse A1 für Rollenführungsschuhe a < 50 mm und für Gleitführungsschuhe a < 100 mm gewählt werden kann. Zum Ausbalancieren der Aufzugskabine weisen die Kammern des Verbundsstruktur-Kerns somit ersichtlicherweise unterschiedliche Füllungsgrade aufIn order to compensate for the displacement of the center of gravity VSP at least partially, according to the invention a fixed amount of a filling compound as the counterweight AGW in the Elevator car floor according to FIG. 1 introduced or filled and so that the center of gravity VSP shifts in the horizontal. This can be done during the manufacture of the elevator car floor or during assembly or during the maintenance of the elevator installation. By the counterweight AGW of the displaced center of gravity VSP is shifted in the direction of the geometric center of gravity GSP, for example, for the distance a to the center of gravity axis A1 for roller guide shoes a <50 mm and for sliding guide shoes a <100 mm can be selected. For balancing the elevator car, the chambers of the composite structure core thus obviously have different degrees of filling

Die in den Verbundsstruktur-Kern 3 einzubringende Füllmasse kann beliebig sein. So kann beispielsweise Zement, Bauschutt, ein oder mehrere Metallkörper, ein oder mehrere Bleikörper, Steine, Flüssigkeiten, wie etwa Wasser, Öle, Spanabfälle etc. verwendet werden. Damit sich die Füllmasse nicht bewegen kann, kann diese Füllmasse beispielsweise in einer Einbettungsmasse eingebettet sein. Derartige Einbettungsmassen können ebenfalls beliebig sein. So kann z. B. Zement, Silikon, ein Gel, Kunststoff, Kautschuk etc. verwendet werden. Die Füllmasse bzw. die Einbettungsmasse kann zum Beispiel über die Öffnungen 5, bei geöffneter Deckplatte 2 etc. eingeführt bzw. eingefüllt werden. Dabei werden einzelne oder mehrere Kammern des Verbundsstruktur-Kerns 3 derart befüllt, dass der verlagerte Schwerpunkt VSP in Richtung geometrischer Schwerpunkt GSP in der Horizontalen verschoben wird.The filling compound to be introduced into the composite structure core 3 can be arbitrary. For example, cement, rubble, one or more metal bodies, one or more lead bodies, stones, liquids such as water, oils, chip wastes, etc. may be used. So that the filling compound can not move, this filling material can be embedded, for example, in an embedding mass. Such embedding masses can also be arbitrary. So z. As cement, silicone, a gel, plastic, rubber, etc. can be used. The filling compound or the embedding compound can be introduced or filled, for example, via the openings 5, with the cover plate 2 open. In this case, one or more chambers of the composite structure core 3 are filled in such a way that the displaced center of gravity VSP is shifted in the direction of the geometric center of gravity GSP in the horizontal.

Figur 3 zeigt eine schemenhafte Darstellung einer erfindungsgemässen Aufzugsanlage mit einer erfindungsgemäss beschwerten Aufzugskabine AK. Gezeigt ist eine Aufzugsanlage mit einer Aufzugskabine AK, welche vertikal in einem Schacht SCH verfahren wird, damit sie Stockwerke 0. F bis 4. F eines Gebäudes bedienen kann. Dazu weist die Aufzugsanlage einen Treibscheibenantrieb M auf. Die Aufzugskabine AK ist über ein Tragmittel, zum Beispiel ein Seil, ein Riemen, ein Drahtseil, ein Metallband etc., mit einem Gegengewicht G verbunden. FIG. 3 shows a schematic representation of an inventive elevator system with a claim according to the invention elevator car AK. Shown is an elevator system with an elevator car AK, which is moved vertically in a shaft SCH, so that they can operate floors 0. F to 4. F of a building. For this purpose, the elevator installation has a traction sheave drive M. The elevator car AK is connected via a suspension means, for example a rope, a belt, a wire rope, a metal band, etc., with a counterweight G.

Speziell bei hohen Förderhöhen kann es bei Treibscheibenaufzügen mit einem Treibscheibenantrieb M vorkommen, dass das Tragmittel zu wenig Reibung auf der Treibscheibe des Treibantriebs M hat und durchdreht. Häufig liegt dies daran, dass die Aufzugskabinen AK in Leichbauweise hergestellt sind und so zu wenig Masse aufweisen.Especially at high heights may occur in traction sheave lifts with a traction sheave drive M, that the support means has too little friction on the traction sheave of the drive M and drives through it. Often this is because the elevator cars AK are made in lightweight construction and thus have too little mass.

Erfindungsgemäss wird der Aufzugskabinenboden der Aufzugskabine, wie in den Figuren 1 und 2 beschrieben ist, mit einer Füllmasse als Ausgleichsgewicht AGW befüllt, sodass die Aufzugskabine AK eine höhere Masse aufweist. Dadurch kann die Reibung an der Treibscheibe des Treibscheibenantriebs M optimiert werden.According to the invention, the elevator car floor of the elevator car, as in the FIGS. 1 and 2 is filled with a filler mass as a counterweight AGW, so that the Elevator car AK has a higher mass. As a result, the friction on the traction sheave of the traction sheave drive M can be optimized.

Claims (13)

  1. Lift cage floor in composite-structure or sandwich mode of construction, consisting of at least one base plate (1), at least one top plate (2) and at least one composite-structure core (3) disposed therebetween and having at least two chambers, wherein the composite-structure core (3) is connected with the base plate (1) and the top plate (2), characterised in that at least one of the at least two chambers of the composite-structure core (3) is at least partly filled with a defined amount of a filler, wherein for balancing out this lift cage at least two chambers of the composite-structure core have different filling.
  2. Lift cage floor according to claim 1, characterised in that the composite-structure core (3) forming the connection between the base plate (1) and top plate (2) consists of a number of intersecting slats, which stand on edge, in the form of a grating.
  3. Lift cage floor according to claim 2, characterised in that the slats of the grating core are firmly connected with the base plate (1) and/or top plate (2) by slot welding at the intersection points of the grating.
  4. Lift cage floor according to one of claims 2 and 3, characterised in that the intersection of slats lying at the same level is made possible in that these slats are provided at all intersection points with slots which are punched at right angles to the slat longitudinal axis and the width of which corresponds with the slat material thickness, which slots extend from above in the case of the slots running in one direction and from below in the case of the slats running at right angles thereto and in each instance to approximately half the slat height.
  5. Lift cage floor according to any one of claims 2 to 4, characterised in that side walls (4) of the lift caga floor are produced by bending the base plate (1) or top plate (2) or consist of separate parts (4).
  6. Lift cage floor according to any one of the preceding claims, characterised in that cement, rubble, stones, liquids, oils, metal bodies and/or lead bodies is or are provided as filler.
  7. Lift cage floor according to any one of the preceding claims, characterised in that that the filler is embedded in an embedding material.
  8. Lift cage floor according to claim 7, characterised in that a silicon, plastics material, cement, rubber and/or gel is or are provided as embedding material.
  9. Lift cage floor according to any one of the preceding claims, characterised in that the base plate (1) or top plate (2) has at least one opening (5) for either introduction or emptying of the filler and/or the embedding material.
  10. Method of weighting a lift cage with a lift cage floor in composite-structure or sandwich mode of construction, wherein for the lift cage floor use is made of at least one base plate (1), at least one top plate (3) and at least one composite-structure core (3) disposed therebetween and having at least two chambers, wherein the composite-structure core (3) is connected with the base plate (1) and the top plate (2), characterised in that at least one of the at least two chambers of the composite-structure core (3) is at least partly filled with a defined amount of a filler, wherein for balancing out this lift cage at least two chambers of the composite-structure core have different filling.
  11. Method according to claim 10, characterised in that a centre of gravity of the lift cage in the horizontal is displaced horizontally by the at least partial filling of the at least one of the at least two chambers of the composite-structure core (3) with the filler.
  12. Method according to one of the preceding claims, characterised in that the filler and/or the embedding material is or are filled into the at least one of the at least two chambers of the composite-structure core (3) during production of the lift cage floor, during assembly of a lift installation and/or within the scope of maintenance of the lift installation.
  13. Lift installation comprising at least one lift cage, which comprises a lift cage floor in composite-structure or sandwich mode of construction, consisting of at least one base plate (1), at least one top plate (2) and at least one composite-structure core (3) disposed therebetween and having at least two chambers, wherein the composite-structure core (3) is connected with the base plate (1) and the top plate (2), characterised in that at least one of the at least two chambers of the composite-structure core (3) is at least partly filled with a defined amount of a filler.
EP11794710.1A 2010-12-22 2011-12-07 Elevator car floor comprising a filling compound Not-in-force EP2655238B1 (en)

Priority Applications (1)

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EP10196372 2010-12-22
EP11794710.1A EP2655238B1 (en) 2010-12-22 2011-12-07 Elevator car floor comprising a filling compound
PCT/EP2011/072084 WO2012084518A1 (en) 2010-12-22 2011-12-07 Elevator car floor comprising a filling compound

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US (1) US9102503B2 (en)
EP (1) EP2655238B1 (en)
CN (1) CN103328369B (en)
BR (1) BR112013016017B1 (en)
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EP2655238A1 (en) 2013-10-30
CN103328369B (en) 2016-03-30
BR112013016017A2 (en) 2018-11-06
ES2526324T3 (en) 2015-01-09
BR112013016017B1 (en) 2021-04-27
MX336006B (en) 2016-01-05
CN103328369A (en) 2013-09-25
US9102503B2 (en) 2015-08-11
US20120160614A1 (en) 2012-06-28
MX2013007355A (en) 2013-08-01
WO2012084518A1 (en) 2012-06-28

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