EP0078875A2 - Levelling device for the car of a passenger or goods elevator - Google Patents

Levelling device for the car of a passenger or goods elevator Download PDF

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Publication number
EP0078875A2
EP0078875A2 EP82103327A EP82103327A EP0078875A2 EP 0078875 A2 EP0078875 A2 EP 0078875A2 EP 82103327 A EP82103327 A EP 82103327A EP 82103327 A EP82103327 A EP 82103327A EP 0078875 A2 EP0078875 A2 EP 0078875A2
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EP
European Patent Office
Prior art keywords
gear housing
shaft
worm wheel
control device
car
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP82103327A
Other languages
German (de)
French (fr)
Other versions
EP0078875A3 (en
Inventor
Giovanni Frasca
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICOR SpA
SICOR Societa Italiana Corticosteroidi SRL
Original Assignee
SICOR SpA
SICOR Societa Italiana Corticosteroidi SRL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SICOR SpA, SICOR Societa Italiana Corticosteroidi SRL filed Critical SICOR SpA
Publication of EP0078875A2 publication Critical patent/EP0078875A2/en
Publication of EP0078875A3 publication Critical patent/EP0078875A3/en
Withdrawn legal-status Critical Current

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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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
    • B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
    • B66B1/42—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings separate from the main drive

Definitions

  • the invention relates to a device for leveling the elevator car of a passenger or freight elevator, with a drive and brake winch mounted in a gear housing, comprising a worm and a meshing worm wheel, which is connected to the traction sheave.
  • the car of a passenger or freight elevator is operated by a winch, which is usually arranged at the upper end of the elevator shaft and essentially consists of a reduction gear with worm and worm wheel.
  • the worm and worm wheel are stored in a gear housing filled with oil.
  • the slow-running S chneckenradwelle the transmission is connected with a cable pulley over which run ropes supporting the car, while the high-speed worm shaft almost always associated with a form of a rotary current motor electric motor in a drive connection.
  • the winch is also equipped with a braking device, usually two with a brake Has bearing material provided brake shoes, which are held by means of electromagnets against spring forces in the open position, so that the brake responds automatically in the event of a power failure and stops the elevator.
  • a braking device usually two with a brake Has bearing material provided brake shoes, which are held by means of electromagnets against spring forces in the open position, so that the brake responds automatically in the event of a power failure and stops the elevator.
  • a requirement for the winch of a passenger or freight elevator is to bring the car under braking action / exactly to the height of the floor to which the car should reach. This is especially for hospitals of the utmost importance, into which with cars of operation vehicles are carried by patients who have to be moved Vibrations g sok from the car to the floor.
  • the main factors that can influence the leveling of the car in relation to the floor are the loading of the car, the speed at which the basket approaches and its speed on arrival at the desired floor, and the heat status of the braking device.
  • Such devices which limit the approach or arrival speed of the car, so that the brakes are used effectively and the kinetic energy is greatly reduced.
  • Such devices usually consist of a second motor, which is connected to the first motor by means of a friction clutch and runs at a lower speed due to the use of a reduction gear, a friction clutch being provided between the winch motor and the pulley.
  • Such devices increase the size of the winch assembly, incur additional costs, and lengthen the assembly work, with additional parts required to effect control and insertion of the parts at the desired time.
  • a winch of the type described above, for. B. is automatically braked in the event of a power failure by the braking device, then it may be that the loaded car is at any point in the elevator shaft and is not aligned with a floor.
  • the automatically opening doors remain closed.
  • the brake shoes of the braking device must be released mechanically or with the help of an emergency generator, so that the worm shaft can be rotated with the aid of a handwheel, so that the car is lowered to one floor and the automatic doors can be opened. Difficulties arise, however, because considerable forces have to be exerted on the handwheel, the greater the lower the counterweight in the car shaft.
  • the same state of a shutdown of the winch can also occur if the car, for example H too much weight is overloaded so that it slows down somewhat after braking and as a result does not open the automatic doors.
  • the invention has for its object to provide a device for leveling the elevator car of a passenger or goods lift of the type mentioned, which has a simple construction, is space-saving and inexpensive and at the same time enables the use of a simplified drive unit.
  • the device is also intended to work safely and reliably and, in emergencies, to allow the trapped people to be freed easily when an overloaded car sags.
  • the gear housing is not fastened to a foundation as in the case of conventional car winches for passenger or goods elevators, but rather can be pivoted about the geometric axis of the unit formed from worm wheel and traction sheave. If, in this construction, the drive worm meshing with the worm wheel is braked, then the housing is braked relative to the worm wheel and the traction sheave. However, because the gearbox around the axis of the worm wheel and the traction sheave is pivotally mounted, it can be pivoted with the aid of a control device in the clockwise or counterclockwise direction, the worm wheel and traction sheave rotating, so that the car is lowered or raised by a corresponding amount. The control device is controlled in a manner known per se via sensors in such a way that the desired height compensation takes place with respect to the floor.
  • the gear housing can advantageously be fastened on a shaft mounted in two support brackets, on which the worm wheel connected to the traction sheave via a hollow shaft can be rotatably mounted.
  • the gear housing can, however, also be rotatably mounted on an axis fixed in the support brackets, on which the worm wheel connected to the traction sheave via a hollow shaft is also rotatably mounted.
  • the support brackets are in turn attached to a supporting foundation at the top of the shaft.
  • a hydraulic or pneumatic double-acting working cylinder can be advantageously provided as the control device, which can be actuated mechanically or electrically, if necessary, with an emergency power generator.
  • This working cylinder can be articulated with its piston rod via an articulated connection on the gear housing and with its cylinder on the foundation.
  • the working cylinder can be connected to a manually operable pressure medium pump, a sagging car can be easily aligned with the floor, so that the automatically operated doors open.
  • the control device therefore serves in a simple manner as a release device that can be actuated easily regardless of the load on the basket is.
  • the motor and the braking device are flanged directly to the transmission housing, so that the transmission and the drive and braking unit can be pivoted together about the supported axis by means of the control device in the braked state.
  • the winch generally designated 1
  • the winch comprises a worm reduction gear 2 with a worm wheel 3, the worm wheel 3 being arranged in an oil-filled gear housing 4.
  • the worm 2 is attached to the high-speed shaft 5 of the reduction gear 2, which in turn with the front end 6 in the front wall of the gear housing 4 by means of a bearing 7 and in the rear wall 8 by means of a bearing 9 Fuse 10 is added.
  • the part of the high-speed shaft 5 protruding from the transmission housing, on which the rotor 11 of the three-phase motor 12 is arranged, carries at its free end the hub 13 of the braking device, the brake shoes of which are not shown in detail here, are held in the open position by the electromagnet 14.
  • the worm wheel 3 integrally connected to a hollow shaft 15, which is the slow-running shaft of the reduction gear and on the end flange 16 of which a recess for a bearing 17 is provided.
  • a cable pulley 18 is flanged to the end flange 16 of the hollow shaft by means of bolts and has circumferential grooves in which the supporting cables for the passenger or goods car of the elevator run.
  • the middle hollow shaft 15, which is connected in one piece to the worm wheel 3, is mounted with the help of bearings on an axis 20, which has its ends mounted in a rotationally fixed manner in two supporting cores 19.
  • the support brackets 19 are attached to the foundation 21.
  • the hollow shaft 15 is rotatably supported by means of a slide bearing 22 and a roller bearing 17 on the fixed axis 20, so that the rope or traction sheave 18 can be rotated via the worm wheel 3 and the elevator car of the passenger or goods lift is raised accordingly or is lowered.
  • the gear housing 4 of the reduction gear is pivotally mounted on the one hand on the fixed axis 20 and on the other hand with its gear housing cover via a slide bearing 23 on the hollow shaft 15.
  • the control device 25 engages the gear housing via an arm 24.
  • the control device 25 is connected at the joints 26 and 27 to the foundation 21 on the one hand and to the arm 24 on the other hand.
  • control device 25 is articulated horizontally at the point 26 and acts on the lower bottom of the housing by means of an articulated fork and a gusset plate.
  • the gear housing can be pivoted clockwise or counterclockwise with respect to FIG. 1.
  • the disk 18 is also pivoted in one direction or the other, so that the car is moved slowly upward or next according to the maximum permissible movement of the control device. In this /, a fine readjustment is carried out of the car, so that this is accurately leveled until the car floor, the corresponding level of the floor has reached.
  • the above-described construction of the floor leveling device according to the invention is extremely simple and requires little maintenance. Complicated control elements and a complex three-phase motor with reduction stages are eliminated, so that the construction is also cheap. The assembly effort is reduced, which results in a reduction in the cost price. Since the control device 25 can be operated by means of an emergency generator or also by hand, the floor leveling device can also be used as a release device if the car has sagged due to overload and the automatic doors no longer open. The fully automatic actuation of the control device takes place in a manner known per se via sensors which detect the car position relative to the floor level.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Braking Arrangements (AREA)
  • Gear Transmission (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

The device for levelling the elevator basket with the storey is generally constructed in such a manner that the gear housing 4 of the reducing gear, which is flanged together with the motor 12 and the braking device 13, 14 in the illustrative embodiment shown, can be swivelled by means of a control apparatus 25 acting on the housing. The control apparatus is connected to the foundation 21. By swivelling the reducing gear housing 4 in the one or other direction, the driving disc 18 is rotated in the one or other direction, with the worm gear braked, so that the basket can be moved upwards or downwards and an exact balancing in height relative to the storey level is achieved. <IMAGE>

Description

Die Erfindung betrifft eine Vorrichtung zur Stockwerksnivellierung des Fahrkorbes eines Personen- oder Lastenaufzuges, mit einer in einem Getriebegehäuse gelagerten antreib- und bremsbaren Winde, umfassend eine Schnecke und ein damit kämmendes Schneckenrad, welches mit der Treibscheibe verbunden ist.The invention relates to a device for leveling the elevator car of a passenger or freight elevator, with a drive and brake winch mounted in a gear housing, comprising a worm and a meshing worm wheel, which is connected to the traction sheave.

Es ist bekannt, daß der Fahrkorb eines Personen- oder Lastenaufzuges durch eine Winde betätigt wird, die meist am oberen Ende des Aufzugsschachtes angeordnet ist und im wesentlichen aus einem Untersetzungsgetriebe mit Schnecke und Schneckenrad besteht. Die Schnecke und das Schneckenrad sind in einem mit öl gefüllten Getriebegehäuse gelagert. Die langsam laufende Schneckenradwelle des Getriebes ist mit einer Seilscheibe verbunden, über welche die den Fahrkorb tragenden Seile laufen, während die schnellaufende Schneckenwelle fast immer mit einem als Drehstrommotor ausgebildeten Elektromotor in einer Antriebsverbindung steht. Die Winde ist ferner mit einer Bremsvorrichtung ausaestattet, die in der Regel zwei mit Bremsbelagwerkstoff versehene Bremsbacken aufweist, welche mit Hilfe von Elektromagneten entgegen Federkräften in der öffnungsstellung gehalten werden, so daß die Bremse automatisch bei Stromausfall anspricht und den Aufzug anhält.It is known that the car of a passenger or freight elevator is operated by a winch, which is usually arranged at the upper end of the elevator shaft and essentially consists of a reduction gear with worm and worm wheel. The worm and worm wheel are stored in a gear housing filled with oil. The slow-running S chneckenradwelle the transmission is connected with a cable pulley over which run ropes supporting the car, while the high-speed worm shaft almost always associated with a form of a rotary current motor electric motor in a drive connection. The winch is also equipped with a braking device, usually two with a brake Has bearing material provided brake shoes, which are held by means of electromagnets against spring forces in the open position, so that the brake responds automatically in the event of a power failure and stops the elevator.

Eine Forderung an die Winde eines Personen- oder Lastenaufzuges besteht darin, den Fahrkorb unter Bremswirkung/genau auf die Höhe des Stockwerkes zu bringen, welches der Fahrkorb erreichen soll. Dies ist besonders für Krankenhäuser von größter Bedeutung, in welchen mit Fahrkörben Operationswagen mit Patienten befördert werden, die erschütterungsfrei aus dem Fahrkorb in das Stockwerk bewegt werden müssen. Die hauptsächlichen Faktoren, die das Nivellieren des Fahrkorbes in Bezug auf das Stockwerk beeinflussen können, sind die Beladung des Fahrkorbes, die Anfahrgeschwindigkeit des Korbes und seine Geschwindigkeit bei der Ankunft am gewünschten Stockwerk sowie der Wärmezustand der Bremsvorrichtung.A requirement for the winch of a passenger or freight elevator is to bring the car under braking action / exactly to the height of the floor to which the car should reach. This is especially for hospitals of the utmost importance, into which with cars of operation vehicles are carried by patients who have to be moved Vibrations g sfrei from the car to the floor. The main factors that can influence the leveling of the car in relation to the floor are the loading of the car, the speed at which the basket approaches and its speed on arrival at the desired floor, and the heat status of the braking device.

Es sind automatische Mikronivelliervorrichtungen bzw. Feinstelleinrichtungen bekannt, die die Anfahr- oder Ankunftsgeschwindigkeit des Fahrkorbes begrenzen, so daß die Bremsen wirkungsvoll eingesetzt werden und die kinetische Energie sehr verringert wird. Meistens bestehen solche Einrichtungen aus einem zweiten Motor, der mit dem ersten Motor mittels einer Reibungskupplung verbunden ist und wegen der Anwendung eines Untersetzungsgetriebes mit niedrigerer Drehzahl läuft, wobei eine Reibungskupplung zwischen dem Windenmotor und der Seilscheibe vorgesehen ist. Solche Einrichtungen vergrößern natürlich das Windenaggregat, verursachen zusätzliche Kosten und verlängern die Montagearbeiten, wobei zusätzlich Teile benötigt werden, um die Steuerung und das Einsetzen der Teile zu dem gewünschten Zeitpunkt zu bewirken.Automatic micro-leveling devices or fine adjustment devices are known which limit the approach or arrival speed of the car, so that the brakes are used effectively and the kinetic energy is greatly reduced. Such devices usually consist of a second motor, which is connected to the first motor by means of a friction clutch and runs at a lower speed due to the use of a reduction gear, a friction clutch being provided between the winch motor and the pulley. Such devices, of course, increase the size of the winch assembly, incur additional costs, and lengthen the assembly work, with additional parts required to effect control and insertion of the parts at the desired time.

Wenn eine Winde der vorbeschriebenen Art z. B. beim Stromausfall durch die Bremsvorrichtung automatisch abgebremst wird, dann kann es sein, daß sich der beladene Fahrkorb an einer beliebigen Stelle im Fahrschacht befindet und nicht gegenüber einem Stockwerk ausgerichtet ist. Die automatisch öffnenden Türen bleiben daher verschlossen. Bei herkömmlichen Aufzugswinden müssen die Bremsbacken der Bremsvorrichtung mechanisch oder mit Hilfe eines Notstromaggregates gelöst werden, so daß die Schneckenwelle mit Hilfe eines Handrades gedreht werden kann, so daß der Fahrkorb auf ein Stockwerk abgesenkt wird und die automatischen Türen geöffnet werden können. Dabei ergeben sich allerdings Schwierigkeiten, weil am Handrad erhebliche Kräfte aufzubringen sind, die um so größer sind, je weiter das Gegengewicht im Fahrkorbschacht unten steht. Der gleichezustand einer Abschaltung der Winde kann auch dann auftreten, wenn der Fahrkorb z.B. dürch ein zu großes Gewicht überlastet ist, so daß er nach dem Abbremsen etwas durchsackt und infolge-dessen die automatischen Türen nicht öffnen.If a winch of the type described above, for. B. is automatically braked in the event of a power failure by the braking device, then it may be that the loaded car is at any point in the elevator shaft and is not aligned with a floor. The automatically opening doors remain closed. In conventional elevator winches, the brake shoes of the braking device must be released mechanically or with the help of an emergency generator, so that the worm shaft can be rotated with the aid of a handwheel, so that the car is lowered to one floor and the automatic doors can be opened. Difficulties arise, however, because considerable forces have to be exerted on the handwheel, the greater the lower the counterweight in the car shaft. The same state of a shutdown of the winch can also occur if the car, for example H too much weight is overloaded so that it slows down somewhat after braking and as a result does not open the automatic doors.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Stockwerksnivellierung des Fahrkorbes eines Personen- oder Lastenaufzuges der eingangs genannten Art zu schaffen, welche eine einfache Konstruktion aufweist, raumsparend und billig gebaut ist und gleichzeitig die Verwendung eines vereinfachten Antriebsaggregates ermöglicht. Die Vorrichtung soll darüber hinaus sicher und zuverlässig arbeiten und in Notfällen beim Durchsacken eines überlasteten Fahrkorbes eine einfache Befreiung der eingeschlossenen Personen ermöglichen.The invention has for its object to provide a device for leveling the elevator car of a passenger or goods lift of the type mentioned, which has a simple construction, is space-saving and inexpensive and at the same time enables the use of a simplified drive unit. The device is also intended to work safely and reliably and, in emergencies, to allow the trapped people to be freed easily when an overloaded car sags.

Diese Aufgabe wird gemäß der Erfindung durch die im Kennzeichen des Anspruchs 1 angegebenen Merkmale gelöst.This object is achieved according to the invention by the features specified in the characterizing part of claim 1.

Gemäß der Erfindung wird vorgeschlagen, daß das Getriebegehäuse nicht wie bei herkömmlichen Fahrkorbwinden von Personen-oder Lastenaufzügen an einem Fundament befestigt ist, sondern um die geometrische Achse der aus Schneckenrad und Treibscheibe gebildeten Einheit verschwenkbar ist. Wenn nämlich bei dieser Konstruktion die mit dem Schneckenrad kämmende Antriebsschnecke abgebremst wird, dann wird das Gehäuse gegenüber dem Schneckenrad und der Treibscheibe festgebremst. Da jedoch das Getriebegehäuse um die Achse des Schneckenrades und der Treibscheibe verschwenkbar gelagert ist, kann es mit Hilfe einer Steuereinrichtung im oder entgegen dem Uhrzeigersinn um die Achse geschwenkt werden, wobei sich Schneckenrad und Treibscheibe mitdrehen, so daß der Fahrkörb um einen entsprechenden Betrag abgesenkt oder angehoben wird. Die Steuereinrichtung wird in ansich bekannter Weise über Sensoren derart gesteuert, daß der gewünschte Höhenausgleich gegenüber dem Stockwerk zustandekommt.According to the invention it is proposed that the gear housing is not fastened to a foundation as in the case of conventional car winches for passenger or goods elevators, but rather can be pivoted about the geometric axis of the unit formed from worm wheel and traction sheave. If, in this construction, the drive worm meshing with the worm wheel is braked, then the housing is braked relative to the worm wheel and the traction sheave. However, because the gearbox around the axis of the worm wheel and the traction sheave is pivotally mounted, it can be pivoted with the aid of a control device in the clockwise or counterclockwise direction, the worm wheel and traction sheave rotating, so that the car is lowered or raised by a corresponding amount. The control device is controlled in a manner known per se via sensors in such a way that the desired height compensation takes place with respect to the floor.

Das Getriebegehäuse kann in vorteilhafter Weise auf einer in zwei Stützkonsolen gelagerten Welle befestigt.sein-, auf welcher das über eine Hohlwelle mit der Treibscheibe verbundene Schneckenrad drehbar gelagert sein kann. Das Getriegegehäuse kann aber auch auf einer in den Stützkonsolen festgelegten Achse drehbar gelagert sein, auf welcher gleichfalls das über eine Hohlwelle mit der Treibscheibe verbundene Schneckenrad drehbar gelagert ist. Die Stützkonsolen sind ihrerseits auf einem tragenden Fundament am oberen Ende des Schachtes befestigt.The gear housing can advantageously be fastened on a shaft mounted in two support brackets, on which the worm wheel connected to the traction sheave via a hollow shaft can be rotatably mounted. The gear housing can, however, also be rotatably mounted on an axis fixed in the support brackets, on which the worm wheel connected to the traction sheave via a hollow shaft is also rotatably mounted. The support brackets are in turn attached to a supporting foundation at the top of the shaft.

Als Steuereinrichtung kann in vorteilhafter Weise ein hydraulischer oder pneumatischer doppelt wirkender Arbeitszylinder vorgesehen sein, der mechanisch oder elektrisch gegebenenfalls mit einem Notstromaggregat betätigbar ist. Dieser Arbeitszylinder kann mit seiner Kolbenstange über eine Gelenkverbindung an dem Getriebegehäuse und mit seinem Zylinder an dem Fundament angelenkt sein. Es wäre allerdings auch denkbar, den Arbeitszylinder über eine Kurbel an der Lagerwelle des Gehäuses anzulenken.A hydraulic or pneumatic double-acting working cylinder can be advantageously provided as the control device, which can be actuated mechanically or electrically, if necessary, with an emergency power generator. This working cylinder can be articulated with its piston rod via an articulated connection on the gear housing and with its cylinder on the foundation. However, it would also be conceivable to link the working cylinder to the bearing shaft of the housing via a crank.

Da der Arbeitszylinder gemäß einem weiteren vorteilhaften Merkmal mit einer von Hand betätigbaren Druckmittelpumpe verbunden sein kann, läßt sich ein durchgesackter Fahrkorb auf einfache Weise gegenüber dem Stockwerk ausrichten, so daß die automatisch betätigten Türen öffnen. Die Steuereinrichtung dient daher in einfacher Weise auch als Befreiungseinrichtung, die leicht unabhängig von der Belastung des Korbes betätigbar ist.Since, according to a further advantageous feature, the working cylinder can be connected to a manually operable pressure medium pump, a sagging car can be easily aligned with the floor, so that the automatically operated doors open. The control device therefore serves in a simple manner as a release device that can be actuated easily regardless of the load on the basket is.

Es wird ferner gemäß der Erfindung vorgeschlagen, daß der Motor und die Bremsvorrichtung unmittelbar an das Getriebegehäuse angeflanscht sind, so daß im gebremsten Zustand das Getriebe und die Antriebs- und Bremseinheit gemeinsam um die abgestützte Achse mittels der Steuereinrichtung verschwenkbar sind.It is further proposed according to the invention that the motor and the braking device are flanged directly to the transmission housing, so that the transmission and the drive and braking unit can be pivoted together about the supported axis by means of the control device in the braked state.

Weitere Merkmale, Einzelheiten und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung-einen bevorzugten Ausführungsbeispiels an Hand der Zeichnung. Darin zeige:

  • Fig. 1 eine Seitenansicht der erfindungsgemäßen Winde mit Steuereinrichtung und
  • Fig. 2 einen Querschnitt entlang der Linie II-II nach Fig. 1.
Further features, details and advantages of the invention emerge from the following description - a preferred exemplary embodiment with reference to the drawing. In it show:
  • Fig. 1 is a side view of the winch according to the invention with control device and
  • 2 shows a cross section along the line II-II of FIG. 1st

Den Figuren ist zu entnehmen, daß die allgemein mit 1 bezeichnete Winde ein Schneckenuntersetzungsgetriebe 2 mit Schneckenrad 3 umfasst, wobei das Schneckenrad 3 in einem ölgefüllten Getriebegehäuse 4 angeordnet ist. Es ist insbesondere zu erkennen, daß die Schnecke 2 an der schnelllaufenden Welle 5 des Untersetzungsgetriebes 2 befestigt ist, welche ihrerseits mit dem vorderen Ende 6 in der vorderen Wand des Getriebegehäuses 4 mittels eines Lagers 7 und in der hinteren Wand 8 mittels eines Lagers 9 mit Sicherung 10 aufgenommen wird. Der aus dem Getriebegehäuse herausragende Teil der schnellaufenden Welle 5, auf dem der Rotor 11 des Drehstrommotors 12 angeordnet ist, trägt an seinem freien Ende die Nabe 13 der Bremsvorrichtung, deren hier nicht im einzelnen dargestellten Bremsbacken durch den Elektromagneten 14 in der öffnungsstellung gehalten werden.It can be seen from the figures that the winch, generally designated 1, comprises a worm reduction gear 2 with a worm wheel 3, the worm wheel 3 being arranged in an oil-filled gear housing 4. It can be seen in particular that the worm 2 is attached to the high-speed shaft 5 of the reduction gear 2, which in turn with the front end 6 in the front wall of the gear housing 4 by means of a bearing 7 and in the rear wall 8 by means of a bearing 9 Fuse 10 is added. The part of the high-speed shaft 5 protruding from the transmission housing, on which the rotor 11 of the three-phase motor 12 is arranged, carries at its free end the hub 13 of the braking device, the brake shoes of which are not shown in detail here, are held in the open position by the electromagnet 14.

Wie aus der Figur 2 zu entnehmen ist, ist das Schneckenrad 3 einstückig mit einer Hohlwelle 15 verbunden, welche die langsam laufende Welle des Untersetzungsgetriebes ist und an deren Endflansch 16 eine Ausnehmung für ein Lager 17 vorgesehen ist. An den Endflansch 16 der Hohlwelle ist mittels Bolzen eine Seilscheibe 18 angeflanscht, welche Umfangsnuten aufweist, in denen die Tragseile für den Personen- oder Lastenfahrkorb des Aufzuges laufen.As can be seen from FIG. 2, the worm wheel 3 integrally connected to a hollow shaft 15, which is the slow-running shaft of the reduction gear and on the end flange 16 of which a recess for a bearing 17 is provided. A cable pulley 18 is flanged to the end flange 16 of the hollow shaft by means of bolts and has circumferential grooves in which the supporting cables for the passenger or goods car of the elevator run.

Die mittlere Hohlwelle 15, die einstückig mit dem Schneckenrad 3 verbunden ist, ist mit Hilfe von Lagern auf einer Achse 20 gelagert, welche mit ihren Enden in zwei Stützkönsolen 19 rotationsfest gelagert ist. Die Stützkonsolen 19 sind auf dem Fundament 21 befestigt. Die Hohlwelle 15 ist mit Hilfe eines Gleitlagers 22 und eines Wälzlagers 17 auf der festbestehenden Achse 20 drehbar gelagert, so daß die Seil- oder Treibscheibe 18 über das Schneckenrad 3 in eine Drehbewegung versetzt werden kann und der Fahrkorb des Personen- oder Lastenaufzuges entsprechend angehoben oder abgesenkt wird. Das Getriebegehäuse 4 des Untersetzungsgetriebes ist einerseits auf der feststehenden Achse 20 und mit seinem Getriebegehäusedeckel andererseits über ein Gleitlager 23 auf der Hohlwelle 15 schwenkbar gelagert. Wie aus der Figur 1 zu entnehmen ist, greift die Steuereinrichtung 25 über einen Arm 24 an dem Getriebegehäuse an. Die Steuereinrichtung 25 ist an den Gelenken 26 und 27 mit dem Fundament 21 einerseits und mit dem Arm 24 andererseits gelenkig verbunden.The middle hollow shaft 15, which is connected in one piece to the worm wheel 3, is mounted with the help of bearings on an axis 20, which has its ends mounted in a rotationally fixed manner in two supporting cores 19. The support brackets 19 are attached to the foundation 21. The hollow shaft 15 is rotatably supported by means of a slide bearing 22 and a roller bearing 17 on the fixed axis 20, so that the rope or traction sheave 18 can be rotated via the worm wheel 3 and the elevator car of the passenger or goods lift is raised accordingly or is lowered. The gear housing 4 of the reduction gear is pivotally mounted on the one hand on the fixed axis 20 and on the other hand with its gear housing cover via a slide bearing 23 on the hollow shaft 15. As can be seen from FIG. 1, the control device 25 engages the gear housing via an arm 24. The control device 25 is connected at the joints 26 and 27 to the foundation 21 on the one hand and to the arm 24 on the other hand.

Es ist auch denkbar, daß die Steuereinrichtung 25 liegend an der Stelle 26 angelenkt ist und mittels einer Gelenkgabel und einem Knotenblech am unteren Boden des Gehäuses angreift.It is also conceivable that the control device 25 is articulated horizontally at the point 26 and acts on the lower bottom of the housing by means of an articulated fork and a gusset plate.

Aus der Beschreibung geht hervor, daß durch Betätigung der Steuereinrichtung 25 in der einen oder anderen Richtung das Getriebegehäuse in Bezug auf die Fig. 1 im Uhrzeigersinn oder entgegen dem Uhrzeigersinn geschwenkt werden kann. Wenn die in dem Getriebegehäuse 4 gelagerte und mit dem Schneckenrad 3 im Eingriff stehende Schnecke 2 mittels der Bremsvorrichtung 13, 14 gebremst ist, dann wird bei einer Schwenkbewegung des Getriebegehäuses 4 mittels der Steuereinrichtung 25 die Scheibe 18 in der einen oder anderen Richtung mitgeschwenkt, so daß der Fahrkorb langsam nach oben bzw. näch unter entsprechend der maximal zulässigen Bewegung der Steuereinrichtung bewegt wird. Auf diese/Weise erfolgt eine feine Nachsteuerung des Fahrkorbes, so daß dieser genau nivelliert wird, bis der Fahrkorbboden das entsprechende Niveau des Stockwerks erreicht hat.From the description it appears that by actuating the control device 25 in one direction or the other, the gear housing can be pivoted clockwise or counterclockwise with respect to FIG. 1. When the worm 2 mounted in the gear housing 4 and in engagement with the worm wheel 3 by means of the braking device 13, 14 is braked, then with a pivoting movement of the gear housing 4 by means of the control device 25, the disk 18 is also pivoted in one direction or the other, so that the car is moved slowly upward or next according to the maximum permissible movement of the control device. In this /, a fine readjustment is carried out of the car, so that this is accurately leveled until the car floor, the corresponding level of the floor has reached.

Die vorbeschriebene Konstruktion der erfindungsgemäßen Vorrichtung zur Stockwerksnivellierung ist äußerst einfach und wartungsarm. Komplizierte Steuerorgane sowie ein aufwendiger Drehstrommotor mit Untersetzungsstufen entfallen, so daß die Konstruktion auch billig ist. Der Montageaufwand wird reduziert, was eine Verringerung des Selbstkostenpreises zur Folge hat. Da die Steuereinrichtung 25 mittels eines Notstromaggregates oder auch von Hand betätigbar ist, kann die Stockwerksnivelliervorrichtung auch als Befreiungseinrichtung Verwendung finden, falls der Fahrkorb wegen Überlastung durchgesackt ist und die automatischen Türen nicht mehr öffnen. Die vollautomatische Betätigung der Steuereinrichtung erfolgt in ansich bekannter Weise über Geber, welche die Fahrkorbstellung gegenüber dem Stockwerksniveau erfassen.The above-described construction of the floor leveling device according to the invention is extremely simple and requires little maintenance. Complicated control elements and a complex three-phase motor with reduction stages are eliminated, so that the construction is also cheap. The assembly effort is reduced, which results in a reduction in the cost price. Since the control device 25 can be operated by means of an emergency generator or also by hand, the floor leveling device can also be used as a release device if the car has sagged due to overload and the automatic doors no longer open. The fully automatic actuation of the control device takes place in a manner known per se via sensors which detect the car position relative to the floor level.

BEZUGSZEICHENLISTEREFERENCE SIGN LIST

  • 1 Winde1 winch
  • 2 Schnecke2 snail
  • 3 Schneckenrad3 worm wheel
  • 4 Getriebegehäuse4 gearbox
  • 5 Welle5 wave
  • 6 vorderes Ende6 front end
  • 7 Lager7 bearings
  • 8 hintere Wand8 rear wall
  • 9 Lager9 bearings
  • 10 Sicherung10 fuse
  • 11 Rotor11 rotor
  • 12 Drehstrommotor12 three-phase motor
  • 13 Bremsvorrichtung13 braking device
  • 13 Nabe13 hub
  • 14 Bremsvorrichtung14 braking device
  • 14 Elektromagnet14 electromagnet
  • 15 Hohlwelle15 hollow shaft
  • 16 Endflansch16 end flange
  • 17 Lager17 bearings
  • 18 Treibscheibe18 traction sheave
  • 19 Stützkonsolen19 support brackets
  • 20 Achse20 axis
  • 21 Fundament21 foundation
  • 22 Gleitlager22 plain bearings
  • 23 Gleitlager23 plain bearings
  • 24 Arm24 arm
  • 25 Steuereinrichtung25 control device
  • 25 Arbeitszylinder25 working cylinders
  • 26 Gelenk26 joint
  • 27 Gelenk27 joint

Claims (10)

1. Vorrichtung zur Stockwerksnivellierung des Fahrkorbes eines Personen-_oder Lastenaufzuges, mit einer in ei-, nem Getriebegehäuse (,4) gelagerten, antreib- und bremsbaren Winde (1), umfassend eine Schnecke (2) und ein damit kämmendes Schneckenrad (3), welches mit der Treibscheibe (18) verbunden ist, dadurch gekennzeichnet , daß das Getriebegehäuse (4) um die Achse des Schneckenrades (3) schwenkbar-gelagert ist und daß eine Steuereinrichtung (25) vorgesehen ist, mit welcher das Getriebegehäuse hin- und herschwenkbar ist.1. Device for leveling the elevator car of a passenger or freight elevator, with a winch (1) mounted in a gear housing (4, 4) that can be driven and braked, comprising a worm (2) and a worm wheel (3) meshing therewith which is connected to the traction sheave (18), characterized in that the gear housing (4) is pivotally mounted about the axis of the worm wheel (3) and that a control device (25) is provided with which the gear housing can be pivoted back and forth is. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Getriebegehäuse auf einer in zwei Stützkonsolen (19) gelagerten Welle gelagert ist und mit dieser drehfest verbunden ist.2. Device according to claim 1, characterized in that the gear housing is mounted on a shaft mounted in two support brackets (19) and is connected to this in a rotationally fixed manner. 3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Getriebegehäuse (4) auf der Welle des Schneckenrades (3) drehbar gelagert ist.3. Apparatus according to claim 1, characterized in that the gear housing (4) on the shaft of the worm wheel (3) is rotatably mounted. 4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Getriebegehäuse (4) einerseits auf einer abgestützten Achse (20) und andererseits auf der als Hohlwelle (15) ausgebildeten Welle des Schneckenrades (3) drehbar gelagert ist, die ihrerseits auf der Achse (20) gelagert ist.4. The device according to claim 1, characterized in that the gear housing (4) on the one hand on a supported axis (20) and on the other hand on the shaft (15) formed as a shaft of the worm wheel (3) is rotatably mounted, which in turn on the axis ( 20) is stored. 5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß die Achse (20) in zwei Stützkonsolen gelagert ist, die auf einem tragenden Fundament am oberen Ende des Schachtes des Personen- oder Lastenaufzuges angeordnet sind.5. The device according to claim 4, characterized in that the axis (20) is mounted in two support brackets which are arranged on a supporting foundation at the upper end of the shaft of the passenger or goods lift. 6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die Steuereinrichtung (25) an dem Getriebegehäuse (4) angreift.6. Device according to one of claims 1 to 5, characterized in that the control device (25) engages on the gear housing (4). 7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Steuereinrichtung (25) von einem hydraulischen, pneumatischen, mechanisch oder elektrisch betätigbaren, doppelt wirkenden Arbeitszylinder gebildet ist.7. Device according to one of claims 1 to 6, characterized in that the control device (25) is formed by a hydraulic, pneumatic, mechanically or electrically actuated, double-acting cylinder. 8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß der Arbeitszylinder (25) mit seiner Kolbenstange über eine Gelenkverbindung an dem Getriebegehäuse (4) und mit seinem Zylinder an dem Fundament (21) angelenkt ist.8. The device according to claim 7, characterized in that the working cylinder (25) is articulated with its piston rod via an articulated connection to the gear housing (4) and with its cylinder on the foundation (21). 9. Vorrichtung nach einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, daß der Arbeitszylinder mit einer von Hand betätigbaren Druckmittelpumpe verbunden ist.9. Device according to one of claims 7 or 8, characterized in that the working cylinder is connected to a manually operable pressure medium pump. 10. Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß an das Getriebegehäuse (4) der Motor (12) und die Bremsvorrichtung (13, 14) angeflanscht sind, so daß im gebremsten Zustand das Getriebe und die Antriebs- und Bremseinheit gemeinsam um die abgestützte Achse (20) mittels der Steuereinrichtung (25) verschwenkbar sind.10. Device according to one of claims 1 to 8, characterized in that on the gear housing (4), the motor (12) and the braking device (13, 14) are flanged, so that in the braked state, the transmission and the drive and brake unit can be pivoted together about the supported axis (20) by means of the control device (25).
EP82103327A 1981-10-27 1982-04-20 Levelling device for the car of a passenger or goods elevator Withdrawn EP0078875A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2468581 1981-10-27
IT24685/81A IT1168049B (en) 1981-10-27 1981-10-27 MICRO-LEVELING ARRANGEMENT ON THE FLOOR OF THE LIFT AND LIFT CABIN IN GENERAL

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EP0078875A2 true EP0078875A2 (en) 1983-05-18
EP0078875A3 EP0078875A3 (en) 1983-06-15

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ID=11214386

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EP82103327A Withdrawn EP0078875A3 (en) 1981-10-27 1982-04-20 Levelling device for the car of a passenger or goods elevator

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Country Link
EP (1) EP0078875A3 (en)
IT (1) IT1168049B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163127A (en) * 1984-08-13 1986-02-19 Dover Corp Elevators with improved car levelling
US6230844B1 (en) * 1998-07-13 2001-05-15 Inventio Ag Rope traction elevator
KR100648891B1 (en) 2005-11-04 2006-11-24 삼성에버랜드 주식회사 Traction machine for elevator
FR3079194A1 (en) * 2018-03-22 2019-09-27 Poma DEVICE FOR DRIVING TENSION CABLES OF AT LEAST ONE VEHICLE ON AN INCLINED OR VERTICAL TRACK AND PASSENGER TRANSPORTATION EQUIPPED WITH SUCH A DEVICE

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR576977A (en) * 1924-02-08 1924-08-29 Mine extraction cable adjustment device
DE520101C (en) * 1930-03-25 1931-03-07 Maschb Akt Ges Vorm Beck & Hen Fine adjustment for elevators
GB571614A (en) * 1942-10-12 1945-08-31 Asea Ab Improvements in heavy machinery driving arrangements supported by the driven shaft
FR1202830A (en) * 1957-06-17 1960-01-13 Micrometric adjustment device for the position of moving parts with motor-controlled displacement
FR1239955A (en) * 1959-07-03 1960-09-02 Creusot Forges Ateliers Mechanical cage leveling device for mining machines
DE1137796B (en) * 1959-09-07 1962-10-11 Inventio Ag Process for achieving a smooth start-up with electrical drives with mechanical holding brake and arrangement for carrying out the process
GB1006905A (en) * 1961-07-18 1965-10-06 Anglo Amer Corp South Africa Mine hoisting equipment
FR1447411A (en) * 1965-06-17 1966-07-29 Improvements to the safety devices of the cable lifting system of construction elevators
FR2297803A1 (en) * 1975-01-17 1976-08-13 Sassi Alberto WINCH IN PARTICULAR FOR LIFTS

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR576977A (en) * 1924-02-08 1924-08-29 Mine extraction cable adjustment device
DE520101C (en) * 1930-03-25 1931-03-07 Maschb Akt Ges Vorm Beck & Hen Fine adjustment for elevators
GB571614A (en) * 1942-10-12 1945-08-31 Asea Ab Improvements in heavy machinery driving arrangements supported by the driven shaft
FR1202830A (en) * 1957-06-17 1960-01-13 Micrometric adjustment device for the position of moving parts with motor-controlled displacement
FR1239955A (en) * 1959-07-03 1960-09-02 Creusot Forges Ateliers Mechanical cage leveling device for mining machines
DE1137796B (en) * 1959-09-07 1962-10-11 Inventio Ag Process for achieving a smooth start-up with electrical drives with mechanical holding brake and arrangement for carrying out the process
GB1006905A (en) * 1961-07-18 1965-10-06 Anglo Amer Corp South Africa Mine hoisting equipment
FR1447411A (en) * 1965-06-17 1966-07-29 Improvements to the safety devices of the cable lifting system of construction elevators
FR2297803A1 (en) * 1975-01-17 1976-08-13 Sassi Alberto WINCH IN PARTICULAR FOR LIFTS

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163127A (en) * 1984-08-13 1986-02-19 Dover Corp Elevators with improved car levelling
US6230844B1 (en) * 1998-07-13 2001-05-15 Inventio Ag Rope traction elevator
KR100648891B1 (en) 2005-11-04 2006-11-24 삼성에버랜드 주식회사 Traction machine for elevator
FR3079194A1 (en) * 2018-03-22 2019-09-27 Poma DEVICE FOR DRIVING TENSION CABLES OF AT LEAST ONE VEHICLE ON AN INCLINED OR VERTICAL TRACK AND PASSENGER TRANSPORTATION EQUIPPED WITH SUCH A DEVICE

Also Published As

Publication number Publication date
EP0078875A3 (en) 1983-06-15
IT8124685A0 (en) 1981-10-27
IT1168049B (en) 1987-05-20

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