EP3681835B1 - Système élévateur - Google Patents

Système élévateur Download PDF

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Publication number
EP3681835B1
EP3681835B1 EP18745596.9A EP18745596A EP3681835B1 EP 3681835 B1 EP3681835 B1 EP 3681835B1 EP 18745596 A EP18745596 A EP 18745596A EP 3681835 B1 EP3681835 B1 EP 3681835B1
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EP
European Patent Office
Prior art keywords
elevator
coupling
elevator car
support means
coupling element
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EP18745596.9A
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German (de)
English (en)
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EP3681835A1 (fr
Inventor
Christian Studer
Donato Carparelli
Josef Husmann
Raphael Bitzi
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Inventio AG
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Inventio AG
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Publication of EP3681835A1 publication Critical patent/EP3681835A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/003—Kinds or types of lifts in, or associated with, buildings or other structures for lateral transfer of car or frame, e.g. between vertical hoistways or to/from a parking position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B66B11/0095—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave where multiple cars drive in the same hoist way
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/30—Details of the elevator system configuration

Definitions

  • the invention relates to an elevator system having the features of the preamble of claim 1.
  • the WO 2010/072656 A1 describes an elevator system with two elevator cars that can be displaced in a vertical direction in an elevator shaft, each elevator car being connected to a counterweight via a carrying and driving means in the form of a steel cable.
  • the elevator system has two drive machines in the form of electric motors, which can each drive a traction sheave, over which a suspension and drive means is guided. This means that the two elevator cars can be moved independently of one another in the elevator shaft by the drive machines.
  • the cross-section of the elevator shaft must therefore be designed in such a way that the counterweights can be guided past the elevator cars.
  • the EP 2219985 B1 describes an elevator system with two elevator cars that can be displaced in a vertical direction in an elevator shaft, a self-contained suspension element guided around a lower deflection roller and an upper deflection roller, a drive machine in the form of an electric motor assigned to the suspension element, and a controllable coupling device arranged on each elevator car.
  • the support means has several coupling elements, which can be designed as holes or cams, for example.
  • a coupling device of an elevator car can be coupled to and uncoupled from a coupling element, with which a drive connection between the respective elevator car and the suspension element can be established and released.
  • An elevator car coupled to a suspension element can thus be displaced in the first elevator shaft by means of the suspension element that can be driven by the respective drive machine.
  • EP 1 693 331 describes a similar elevator system.
  • the elevator cars are only moved in one direction in the named elevator shaft, ie only upwards or only downwards.
  • the elevator system has an additional one elevator shaft.
  • the elevator cars can be moved horizontally between the two elevator shafts by means of a transfer device.
  • an elevator car is coupled to a suspension element at a lower or an upper end position via its coupling device and a coupling element and is displaced upwards or downwards by the associated drive machine via the suspension element until it reaches the upper or lower end position has reached.
  • There the elevator car is uncoupled from the suspension element and is horizontally shifted by a transfer device into the elevator shaft for the other direction of displacement into the other elevator shaft.
  • the elevator system has a first elevator car which can be displaced in the vertical direction in a first elevator shaft. It also has a self-contained first suspension means guided around a lower deflection roller and an upper deflection roller and a first drive machine assigned to the first suspension means.
  • the first suspension means has a first primary coupling element to which a first coupling device arranged on the first elevator car can be coupled. A drive connection can thus be produced between the first elevator car and the first suspension element, so that the coupled first elevator car can be displaced in the first elevator shaft by means of the first suspension element that can be driven by the first drive machine.
  • the first primary coupling element of the first suspension element is designed as a connecting element which connects two free ends of the first suspension element to one another.
  • said coupling element fulfills a dual function. On the one hand, it serves to couple the elevator car to the suspension element and, on the other hand, it is simple and inexpensive Realization of the closed support means.
  • the coupling element fulfills the function of a so-called belt lock or a cable connector.
  • a self-contained suspension element can be produced very simply, inexpensively and safely from an originally open, elongated suspension element by connecting the two free ends with the coupling element.
  • the coupling element can, for example, have two suspension element end connections connected to one another, which, for example, correspond to EP 1634842 A2 can be executed.
  • the two suspension element end connections can be connected, for example, via an intermediate piece to which they can be screwed or welded, for example.
  • the coupling element can also have a one-piece housing.
  • the elevator shaft is arranged in or on a building and runs mainly in the vertical direction, so that when the elevator cars are moved in the elevator shaft, they are mainly moved vertically.
  • the support means is self-contained, that is to say, for example, is designed in the shape of a ring. It can thus also be described as endless. However, this does not mean that it consists of a homogeneous ring or just one piece. Rather, the ring is realized by connecting two free ends of suspension element parts by the coupling element designed as a connecting element.
  • the suspension element is guided around a lower and an upper deflection roller, with at least one deflection roller serving as a drive roller or traction sheave, via which the suspension element can be driven by the drive machine assigned to it.
  • the deflection rollers have an effective diameter of less than 100 mm.
  • Such small effective diameters of a deflection pulley serving as a traction sheave enable a gearless drive of the suspension element, which requires little installation space.
  • the deflection rollers are in particular arranged in such a way that their respective axis of rotation is perpendicular to an adjacent shaft wall of the elevator shaft.
  • a tensioning device can be arranged on the suspension element, with which on the one hand the required suspension element pretension is generated and on the other hand deviations in the original length of the self-contained suspension element and operational plastic length changes of the suspension element are compensated for.
  • the required clamping forces can, for example, with tension weights, gas springs or metal springs.
  • the drive machine is designed in particular as an electric motor that is controlled by an elevator controller.
  • the elevator control controls the entire operation of the elevator system, so it controls all controllable components of the elevator system and is connected to switches and sensors of the elevator system.
  • the elevator control can be designed as a single central elevator control or consist of several decentralized controls that are responsible for subtasks.
  • the coupling device arranged on the elevator car is arranged in particular on a floor or a roof of the elevator car.
  • the coupling to a coupling element of the suspension element takes place in particular in a form-fitting manner, with a friction-fitting coupling also being conceivable.
  • the coupling element has, in particular, a mainly horizontally oriented recess into which a bolt of the coupling device can enter, for example, in an actuation direction.
  • the coupling element can be screwed to the elevator car.
  • the coupling device is designed as one or more screws.
  • a positive or frictional connection between the elevator car and the suspension element can thus be produced via the coupling device and the coupling element, so that the elevator car is also displaced when the propellant is displaced or moved.
  • a drive connection can thus be produced between the elevator car and the suspension element and thus ultimately between the elevator car and the drive machine assigned to the suspension element.
  • the first coupling device is coupled to the first primary coupling element in such a way that the first coupling device cannot be uncoupled from the first primary coupling element during normal operation of the elevator system.
  • the first elevator car is shifted exclusively in the first elevator shaft.
  • a suspension element of the elevator system has precisely one coupling element.
  • Normal operation of the elevator system should be understood to mean an operating mode be carried in which passengers are transported in the elevator car. Normal operation is to be distinguished in particular from a maintenance phase in which a maintenance technician can carry out maintenance on the elevator system, from an installation phase in which the elevator system is installed, and from a dismantling phase in which the elevator system is dismantled. In the three phases mentioned it can happen that the coupling of the first coupling device to the first primary coupling element is released. The coupling device is coupled to the coupling element in particular in the installation phase and possibly in the maintenance phase, but not during normal operation of the elevator system.
  • the first coupling device can be controlled in such a way that, during normal operation of the elevator system, the first coupling device can be coupled to the first primary coupling element and can be uncoupled from the first primary coupling element.
  • a drive connection between the first elevator car and the first suspension element can thus be established and released.
  • the elevator car When the elevator car is uncoupled from the suspension element, it can be moved out of the first elevator shaft, for example into a second elevator shaft. This makes the elevator system particularly flexible.
  • An elevator system with a fixed connection between the first elevator car and the first suspension element during normal operation has, in particular, at least one second elevator car, which is also moved only in the first elevator shaft.
  • the connection between the second elevator car and the second suspension element is in particular identical to that of the first car.
  • the two elevator cars can be moved independently of each other. In this way, a very high transport capacity of the elevator system can be achieved in relation to the space requirement.
  • the elevator system can also have more than two, for example three or four elevator cars.
  • An elevator system with a connection between the first elevator car and the first suspension element that can be released during normal operation has, in particular, at least one second elevator car, which can also be moved into a second elevator shaft.
  • the coupling and decoupling of the second elevator car to the second suspension element takes place in particular in the same way as in the case of the first elevator car.
  • the two Elevator cabins can be relocated independently of each other. In this way, a very high transport capacity of the elevator system can be achieved in relation to the space requirement.
  • the elevator system can also have more than two, for example three or four elevator cars.
  • the coupling devices are controlled in particular in such a way that, at least during the displacement of an elevator car, only one elevator car is coupled to a (single) suspension element. Only one (single) elevator car is shifted in the shaft by a (single) suspension element.
  • the coupling devices may be able to couple to the coupling elements of the various suspension elements.
  • the coupling devices are then arranged to be displaceable horizontally, in particular transversely to their direction of actuation.
  • the coupling device is first displaced transversely to its direction of actuation in such a way that it is correctly positioned in relation to the coupling element of the corresponding suspension element.
  • the coupling to the suspension element can then take place, in particular by extending a bolt of the coupling element.
  • a correspondingly positioned coupling device to be provided on the elevator car for each suspension element.
  • the elevator systems have a second elevator car that can be displaced in the vertical direction in the first elevator shaft, a self-contained second suspension element guided around a lower deflection roller and an upper deflection roller, and a second drive machine assigned to the second suspension element .
  • a second coupling device is arranged on the second elevator car.
  • the second suspension element has a second primary coupling element to which the second coupling device can be coupled, with which a drive connection can be established between the second elevator car and the second suspension element. This means that the coupled second elevator car can be be displaced in the first elevator shaft by the second suspension element that can be driven by the second drive machine.
  • the elevator system can thus be operated particularly effectively and many passengers can be transported in the building, in particular with different destination floors.
  • the elevator system can also have more than two, in particular four, six or eight suspension elements per elevator shaft, so that four, six or eight elevator cars can also be displaced simultaneously and independently of one another in an elevator shaft.
  • the support means have, in addition to the primary coupling element mentioned, a secondary coupling element to which coupling devices can be coupled and uncoupled.
  • the primary and secondary coupling elements of a suspension element are arranged such that when the elevator car coupled to a suspension element via a coupling element is displaced from a lower end position to an upper end position or vice versa, no coupling element is guided around a deflection roller.
  • the primary and secondary coupling elements are identical.
  • the suspension means consists of two suspension means parts, the free ends of which are connected by means of a primary coupling element and a secondary coupling element are connected.
  • a free end of the first suspension element part is connected to a free end of the second suspension element part, so that the suspension element forms a closed ring.
  • This arrangement of the coupling elements on a suspension means allows the drive machine assigned to the suspension means to be controlled in such a way that a coupling element is never guided around a deflection pulley during operation of the elevator system.
  • Said first and second elevator cars do not have to be displaceable in the first elevator shaft at the same time.
  • the first elevator car it is possible for the first elevator car to be displaced in the elevator shaft first and then the second elevator car to be displaced in the elevator shaft, in particular in the same direction.
  • the first elevator car is removed from the elevator shaft, in particular before or during the displacement of the second elevator car.
  • the two coupling elements of the suspension element are arranged in such a way that when the first elevator car, which is coupled to the suspension element via a coupling element, is displaced from a lower end position to an upper end position or vice versa, no coupling element comes into contact with a deflection roller. This means that the coupling element does not touch the deflection rollers. A deflection roller cannot be damaged by a coupling element or vice versa.
  • This arrangement of the coupling elements on a suspension means allows the drive machine assigned to the suspension means to be controlled in such a way that a coupling element never comes into contact with a deflection pulley during operation of the elevator system.
  • the suspension element can therefore always be stopped in good time so that the coupling elements never reach the deflection rollers or, for example, maintain a certain minimum distance from the deflection rollers.
  • the two coupling elements of a suspension element are arranged in such a way that when an elevator car coupled to a suspension element via a primary coupling element has reached the upper end position, the secondary coupling element is positioned in such a way that a coupling device of a lower end position arranged elevator car can couple to the secondary coupling element.
  • the secondary coupling element is accordingly positioned when the first elevator car reaches the lower end position such that a coupling device of an elevator car arranged in the upper end position can couple to the other coupling element.
  • another elevator car can thus be coupled to the secondary coupling element at the other end position and thus prepare for the displacement of the other elevator car.
  • the decoupling of an elevator car and the coupling of another elevator car can take place at least partially simultaneously, with the result that an effective operation of the elevator system is made possible.
  • the drive machines are controlled by an elevator controller.
  • This is intended to reverse a direction of movement of the suspension element for the next displacement of an elevator car when an elevator car has reached the lower end position or the upper end position, depending on the direction of displacement. It is thus advantageously possible to move both elevator cars of the elevator system in the same direction in the elevator shaft without a coupling element being guided around a deflection roller or coming into contact with a deflection roller during operation of the elevator system.
  • the elevator control is thus intended to move the elevator cars in the elevator shaft only in one direction, ie only from bottom to top or only from top to bottom.
  • the first and the second elevator car can also be displaced in the vertical direction in a second elevator shaft arranged parallel to the first elevator shaft.
  • the elevator system also has a first transfer device, by means of which elevator cars can be moved from the first elevator shaft to the second elevator shaft, and a second transfer device, by means of which elevator cars can be moved from the second elevator shaft to the first elevator shaft.
  • a relocation of the elevator cars in the second elevator shaft is implemented analogously to the relocation in the first elevator shaft.
  • the elevator cars are shifted only from bottom to top in the first elevator shaft and only from top to bottom in the second elevator shaft. It is not relevant which elevator shaft is the first and which is the second elevator shaft referred to as.
  • An analog realization of the shifting of the elevator cars in the elevator shaft should be understood to mean that at least one suspension element with appropriately arranged primary and secondary coupling element is also provided in the second elevator shaft, which can be driven via an associated drive machine.
  • all of the above-mentioned configurations of the invention can also be applied to the second elevator shaft.
  • the provision of the second elevator shaft and the two transfer devices advantageously enable circulating operation of the elevator system.
  • the transfer devices are arranged in particular in the area of the end positions of the elevator cars. If, for example, an elevator car reaches the upper end position when moving upwards in the first elevator shaft, then after all passengers have left the elevator car and it has uncoupled from the suspension element, it is horizontally shifted to the upper end position of the second elevator shaft by means of the upper transfer device. It can then be coupled to a suspension element in the second elevator shaft and thus be shifted downwards in the second elevator shaft to the lower end position. From there it is in turn shifted horizontally by the lower transfer device into the lower end position of the first elevator shaft, from where it can be shifted back up. In this case, in particular, several, for example four, elevator cars per elevator shaft can be shifted simultaneously, with only one elevator car ever being coupled to a suspension element. This enables a particularly effective operation of the elevator system.
  • the transfer facilities can in particular according to the transfer facilities in the form of horizontal displacement units EP 2219985 B1 be executed.
  • the transfer device has a vertical guide rail piece that guides the elevator car in the transfer device.
  • the transfer device can be positioned in such a way that the guide rail piece forms a section of a vertical guide rail by which the elevator car is guided during displacement in an elevator shaft.
  • the elevator car then has a braking device with which the elevator car at the integrated in the transfer device Guide rail piece can be temporarily fixed during the shift between the elevator shafts.
  • the same number of suspension elements, each with two coupling elements are arranged in the first elevator shaft and in the second elevator shaft.
  • a maximum number of elevator cars is the same size as a total number of suspension elements of the elevator system.
  • the number of elevator cars is exactly the same as the total number of suspension elements. This means that the number of coupling elements per elevator shaft is greater than or equal to the number of elevator cars to be shifted in an elevator shaft.
  • each elevator car in each of the two elevator shafts can be assigned a specific coupling element or, when coupled to two suspension elements at the same time, two coupling elements, with the respective coupling elements being arranged in the same position in the two elevator shafts.
  • assignment should be understood to mean that an elevator car is coupled via its coupling device exclusively to the coupling element or elements assigned to it.
  • Each elevator car therefore requires only one coupling device or, in the case of simultaneous coupling to two coupling elements, only two coupling devices which are each arranged at a fixed position.
  • the coupling devices are thus not displaceable transversely to the direction of actuation of the bolts of the coupling devices. This enables the coupling devices to be implemented in a cost-effective manner.
  • the coupling device requires particularly little installation space.
  • the suspension means are designed as belts.
  • Belts have excellent traction properties and are particularly well suited to interacting with controllable coupling devices.
  • the belts can be designed, for example, as flat belts, V-ribbed belts or toothed belts and can be reinforced with tensile reinforcements in the form of wire ropes, synthetic fiber ropes or synthetic fiber fabrics. In this way, an elevator car coupled to the suspension element can be shifted over a great height without impermissible vertical oscillations occurring.
  • suspension means may consist of one or more ropes, in particular wire parts.
  • the coupling elements are guided when shifted in the elevator shaft.
  • the guide used for this is designed in particular in such a way that it prevents the coupling elements from hitting a passing elevator car. This enables a particularly comfortable and safe operation of the elevator system.
  • an elevator car When an elevator car is relocated in the elevator shaft, it cannot be completely ruled out that the suspension element and thus the coupling element that is not connected to an elevator car will vibrate. Without a guide for the coupling element, there would in particular be a risk that the coupling element would hit the elevator car when driving past it. Such an impact would, on the one hand, lead to an audible impact and, on the other hand, could cause damage to the elevator car and/or the coupling element. This danger is avoided by guiding the coupling elements.
  • each elevator car has two coupling devices. These are intended to be coupled to the coupling elements of two different suspension means at the same time.
  • the drive machines of the two suspension elements are controlled in a synchronized manner, so that both suspension elements are driven and displaced synchronously.
  • the two coupling devices of an elevator car are arranged in particular on opposite sides of the elevator car. They are in particular intended to be coupled to a respective coupling element of a suspension element at diagonally opposite positions. This enables a particularly even or evenly distributed introduction of force into the elevator car, which allows the elevator car to tilt very little during the displacement.
  • this enables the elevator car to be moved comfortably and, on the other hand, guides in the elevator car are subjected to little stress, which makes a simple and more cost-effective design possible and also leads to very little wear.
  • compared to only one coupling device per elevator car only approximately half the force has to be introduced via a coupling device. This enables the use of cost-effective drive machines, which also only take up a small amount of space.
  • the two coupling devices are in particular not mechanically coupled, but are controlled accordingly by the elevator control.
  • the coupling devices are in particular positioned in such a way that a connecting line at the level of the center of gravity of the elevator car runs between the two coupling elements of the suspension elements through said center of gravity. This enables a particularly even introduction of force into the elevator car.
  • each elevator car can have only a single coupling device.
  • the elevator car can then only be coupled to one suspension means and be displaced in the elevator shaft by means of this.
  • an elevator system 10 has a first elevator shaft 12 in which a first elevator car 14 and a second elevator car 16 are arranged.
  • the first elevator car 14 is located at a lower end position 18 which corresponds to a position of the elevator car 14 on a bottom floor of the building 20 having the elevator system 10 .
  • the second elevator car 16 is located at an upper end position 22, which corresponds to a position of the elevator car 16 on a top floor of the building 20. Between the lower end position 18 and the upper end position 22 there are a large number of floors, which are 1 are not shown.
  • the elevator system 10 has a vertical guide rail 24 running in the vertical direction, on which the elevator cars 14, 16 are guided during displacement in the elevator shaft 12. To move the elevator cars 14, 16 in the elevator shaft 12, the elevator system 10 has a total of eight self-contained suspension elements, of which in FIG 1 four support means 26a, 26b, 26c, 26d are shown.
  • the support means 26a, 26b, 26c, 26d are designed as belts and are each guided around a lower deflection roller 28 and an upper deflection roller 30.
  • the two deflection rollers 28, 30 of a support means 26a, 26b, 26c, 26d are arranged vertically one above the other, so that the support means 26a, 26b, 26c, 26d run vertically between the deflection rollers 28, 30.
  • the deflection rollers 28, 30 have in particular an effective diameter of less than 100 mm.
  • the lower deflection rollers 28 are arranged below the first elevator car 14 and are each connected to a tension weight 32 .
  • the tensioning weight 32 acts as a tensioning device with which, on the one hand, the required suspension element pretension is generated and, on the other hand, deviations in the original length of the self-contained suspension elements 26a, 26b, 26c, 26d as well as operational plastic length changes of the suspension elements 26a, 26b, 26c, 26d are compensated for.
  • the upper deflection rollers 30 are arranged above the second elevator car 16 and each serve as a traction sheave for a drive machine 34a, 34b, 34c, 34d designed as an electric motor.
  • Each suspension element 26a, 26b, 26c, 26d is assigned a drive machine 34a, 34b, 34c, 34d, by means of which the suspension element 26a, 26b, 26c, 26d can be driven and displaced.
  • the drive machines 34a, 34b, 34c, 34d are controlled by an elevator controller 36, which controls all the actuators of the elevator system 10.
  • Each suspension element 26a, 26b, 26c, 26d consists of two suspension element parts 38, 40, the free ends 42 of which (see 2 ) are connected by means of a primary docking element and a secondary docking element.
  • a free end 42 of the first suspension element part 38 is connected to a free end of the second suspension element part 40, so that each suspension element 26a, 26b, 26c, 26d forms a closed ring.
  • a coupling element can thus also be used as a connecting element 45 (see 2 ) are designated.
  • first primary coupling element 44.1a and the first secondary coupling element 44.2a of the first suspension element 26a, and the second primary coupling element 44.1b and the second secondary coupling element 44.2b of the second suspension element 26b are shown.
  • the first primary coupling element 44.1a is shown in FIG 2 enlarged.
  • the coupling element 44.1a and thus the connecting element 45 consists of two suspension element end connections 46 aligned in opposite directions, which are connected to an intermediate piece 50 having a recess 48.
  • the intermediate piece 50 has a mainly cuboid outer contour.
  • the Tragstoffendtagenen 46 can, for example, according to in the EP 1634842 A2 described suspension element end connections.
  • An extendable bolt 60 (see 4 ) a coupling device arranged on an elevator car 14, 16 (see, for example, coupling device 58b in 4 ) immerse, whereby the coupling device is coupled to the coupling element.
  • the coupling devices are arranged on a floor 51 of the elevator cars 14, 16 and in connection with the 4 described in more detail.
  • a coupling element 44.1a is arranged on a floor 51 of the elevator cars 14, 16 and in connection with the 4 described in more detail.
  • the coupling devices prefferably be arranged on the roof of an elevator car.
  • the positions of the coupling elements on the support means must then be adjusted accordingly.
  • FIG. 3 a view from above of the first elevator shaft 12 with a total of eight drive machines 34 is shown.
  • the drive machines 34a, 34b, 34c, 34d are each drive-connected to a traction sheave in the form of a deflection pulley 30, over which a respective suspension element 26a, 26b, 26c, 26d runs.
  • the reference numbers shown for one side only In the 3 the reference numbers shown for one side only.
  • Four drive machines 34a, 34b, 34c, 34d are arranged on opposite sides of the elevator car 16, with two drive machines 34a, 34b being arranged on one side and two drive machines 34c, 34d on the other side of the vertical guide rail 24 on each of the opposite sides of the elevator car 16 .
  • Drive axles 52 of the drive machines 34a, 34b, 34c, 34d run parallel to one another, one drive machine 34a, 34b, 34c, 34d being arranged on one side of the elevator car 16 coaxially with a corresponding drive machine on the other side of the elevator car 16.
  • a car door, not shown, of the elevator car 16 is located on one or both free sides 54 of the elevator car 16, on which no drive machines 34a, 34b, 34c, 34d are arranged.
  • the elevator control 36 controls two corresponding drive machines on opposite sides in the same way or synchronously, so that the suspension elements 26a, 26b, 26c, 26d assigned to them also move or are displaced synchronously.
  • Two drive machines are controlled in the same way, which are arranged diagonally with respect to a center of gravity 56 of the elevator car 16, for example in 3 the upper, leftmost prime mover 34b; and the lower, rightmost prime mover.
  • the eight drive machines 34a, 34b, 34c, 34d a total of four elevator cars can be displaced in the first elevator shaft 12 simultaneously and independently of one another.
  • each coupling device 58b has a bolt 60 which can be extended and retracted in an actuation direction 62 which is oriented in the direction of the coupling elements 44.1b.
  • the coupling device 58b has an actuating actuator 64, which can be embodied as an electric motor, for example.
  • the bolt 60 can be used together with the actuating actuator 64 can be displaced horizontally and perpendicularly to the direction of actuation 62 along a rail 66 by means of a positioning actuator 68, which is also designed as an electric motor, for example.
  • the bolt 60 is first correctly positioned with respect to the corresponding coupling element 44.1b. Then the bolt 60 is extended, whereby the bolt 60 dips into the recess 48 of the coupling element 44.1b. A form-fitting connection is thus produced between the coupling device 58b and the coupling element 44.1b and thus between the elevator car 16 and the second suspension element. When this form-fitting connection is established, the elevator car 16 is displaced in the elevator shaft 12 as soon as the second suspension element is driven or displaced by the drive machine 34b.
  • the elevator car 16 is coupled to two support means, which are arranged diagonally with respect to the center of gravity 56 of the elevator car. This takes place in that the elevator car 16 is coupled to coupling elements 44.1b which are arranged diagonally with respect to the center of gravity 56 of the elevator car 16.
  • Each coupling element 44.1a. 44.2a, 44.2a, 44.2b is guided by a guide 53 during displacement in the elevator shaft 12.
  • the guide 53 is between each coupling element 44.1a. 44.2a, 44.2a, 44.2b and the elevator car 16 and runs through the entire elevator shaft 12.
  • the guides 53 in particular prevent a free coupling element 44.1a from striking. 44.2a, 44.2a, 44.2b, i.e. a coupling element 44.1a. 44.2a, 44.2a, 44.2b, to which no elevator car 14, 16 is coupled, to a passing elevator car 14, 16.
  • the bolts of the coupling devices cannot be displaced transversely to the direction of actuation.
  • the coupling devices have separate bolts and actuating actuators for each coupling element.
  • an elevator car it is also possible for an elevator car to have only one coupling device, so that an elevator car is coupled to only one suspension means for displacement in the elevator shaft. This is the case in particular when the drive machines and thus the suspension means are arranged on a side of the elevator car which is opposite the car door and thus the shaft doors.
  • the elevator system 10 In addition to a first elevator shaft 12, it has a second elevator shaft 13, which is arranged parallel to the first elevator shaft 12.
  • the second elevator shaft 13 is designed analogously to the first elevator shaft 12 .
  • the relocation of the elevator cars 14, 16 in the second elevator shaft 13 is implemented analogously to the relocation in the first elevator shaft 12. In the first elevator shaft 12, the elevator cars 14, 16 are only displaced upwards and in the second elevator shaft 13 only downwards.
  • FIG 5a is the first elevator car 14 in the first elevator shaft 12 at the lower end position 18. She is on her in the Figures 5a, 5b and 5c not shown coupling device to a secondary in which Figure 5a right coupling element 44.2b of the second suspension element 26b coupled.
  • the first elevator car 14 has only a single, non-displaceable coupling device.
  • the coupling device is arranged in such a way that it can be coupled to the secondary coupling element 44.2b.
  • the first elevator car 14 can thus only be coupled to the secondary coupling element 44.2b, so that the first elevator car 14 is assigned the secondary coupling element 44.2b.
  • a second, in the Figure 5a primary, left coupling element 44.1b of the second support means 26b is arranged on the second support means 26b that a Coupling device located at the upper end position 22 elevator car could uncouple to the primary coupling element 44.1b.
  • a deflection roller 28, 30 is arranged between the secondary coupling element 44.2b and the primary coupling element 44.1b of the second suspension element 26b.
  • the drive machine 34b drives the upper deflection roller 30 in a counterclockwise direction of movement, which is indicated by a directional arrow 69 .
  • the first elevator car 14 is shifted between the lower end position 18 and the upper end position 22 to the upper end position 22 with possible intermediate stops at floors.
  • the primary is in the Figure 5a left coupling element 44.1b shifted downwards.
  • neither of the two coupling elements 44.1b, 44.2b comes into contact with one of the two deflection rollers 28, 30.
  • the coupling elements 44.1b, 44.2b therefore neither touch one of the two deflection rollers 28, 30, nor are they guided around the deflection rollers 28, 30.
  • the second elevator car 16 is located in the Figure 5a in the second elevator shaft 13 at the upper end position 22. She is in the Figures 5a, 5b and 5c not shown coupling device to a primary in which Figure 5a left coupling element 44.1b of the second suspension element 26b coupled.
  • the second elevator car 16 also has only a single, non-displaceable coupling device.
  • the coupling device is arranged in such a way that it can be coupled to the primary coupling element 44.1b.
  • the second elevator car 16 can thus only be coupled to the primary coupling element 44.1b, so that the second elevator car 16 is assigned the primary coupling element 44.1b.
  • FIG. 5a A secondary in which Figure 5a The right-hand coupling element 44.2b of the second suspension element 26b is arranged on the second suspension element 26b in such a way that a coupling device of an elevator car located in the lower end position 18 could be uncoupled from the secondary coupling element 44.2b.
  • a deflection roller 28, 30 is arranged between the primary coupling element 44.1b and the secondary coupling element 44.2b of the second suspension element 26b.
  • the drive machine 34b also drives the upper deflection roller 30 counterclockwise.
  • the second elevator car 16 is shifted between the upper end position 22 and the lower end position 18 to the lower end position 18 with possible intermediate stops at floors.
  • the secondary is in the Figure 5a right coupling element 44.2b shifted upwards.
  • neither of the two coupling elements 44.1b, 44.2b comes into contact with one of the two deflection rollers 28, 30.
  • the elevator system 10 has a first, upper transfer device 70 by means of which the first elevator car 14 can be shifted at the upper end position 22 from the first elevator shaft 12 into the second elevator shaft 13 .
  • the first transfer device 70 has a vertical guide rail piece 72 which guides the first elevator car 14 in the first transfer device 70 .
  • the first transfer device 70 is positioned such that the guide rail piece 72 forms a section of the vertical guide rail 24 of the first elevator shaft 12, by which the first elevator car 14 is guided during displacement in the first elevator shaft 12.
  • the first elevator car 14 has a braking device 74 with which the first elevator car 14 is temporarily fixed to the guide rail piece 72 integrated in the first transfer device 70 during the displacement between the first elevator shaft 12 and the second elevator shaft 13 .
  • the elevator system 10 also has a second, lower transfer device 76 for moving the second elevator car 16 in the lower end position 18 from the second elevator shaft 13 into the first elevator shaft 12.
  • the second, lower Transfer device 76 is designed analogously to the first, upper transfer device 70 .
  • the second elevator car 16 also has a braking device 74.
  • the transfer devices 70, 76 can in particular corresponding to the transfer devices in the form of horizontal displacement units EP 2219985 B1 be executed.
  • FIG 5c the situation after the displacement of the two elevator cars 14, 16 is shown.
  • the first elevator car 14 is positioned in the second elevator shaft 13 at the upper end position 22 and the second elevator car 16 is positioned in the first elevator shaft 12 at the lower end position 18 .
  • the drive machine 34b To move the second elevator car 16 upwards, the drive machine 34b now drives the upper deflection roller 30 in a clockwise direction.
  • the drive machine 34b is thus controlled by the elevator control in such a way that the direction of movement of the second suspension element 26b is reversed for the next displacement of an elevator car when an elevator car has reached the lower end position or the upper end position.
  • the second elevator car 16 is shifted between the lower end position 18 and the upper end position 22 to the upper end position 22 with possible intermediate stops at floors. Simultaneously with the shift of the primary, in the Figure 5c left coupling element 44.1b up, the secondary is in the Figure 5c right coupling element 44.2b shifted downwards.
  • the first elevator car 14 is located in the Figure 5c in the second elevator shaft 13 at the upper end position 22. It is connected to the secondary, in the Figure 5c right coupling element 44.2b of the second suspension element 26b coupled.
  • the primary in the Figure 5c The left-hand coupling element 44.1b of the second suspension element 26b is arranged on the second suspension element 26b in such a way that a coupling device of an elevator car located in the lower end position 18 could be uncoupled from the primary coupling element 44.1b.
  • the drive machine 34b In order to move the first elevator car 14 downwards, the drive machine 34b now also drives the upper deflection roller 30 in a clockwise direction. It takes place compared to Figure 5a ie a reversal of the direction of movement of the second suspension element 26b also takes place.
  • the first elevator car 14 is shifted between the upper end position 22 and the lower end position 18 to the lower end position 18 with possible intermediate stops at floors.
  • the primary is in the Figure 5c left coupling element 44.1b shifted upwards.
  • the elevator system it is also possible for the elevator system to have a third elevator shaft in which elevator cars that are currently not required can be parked.
  • an elevator system 110 with only a single elevator shaft 112 is shown.
  • the elevator system 110 in 6 and 7 is constructed very similarly to the elevator system 10 according to FIG Figures 1 - 5 , so that only the differences between the elevator system 110 and the elevator system 10 are discussed.
  • the elevator system 110 in 6 has a total of four elevator cars that can be moved independently of one another, with only a first, lower elevator car 114 and an upper, second elevator car 116 being shown.
  • the first elevator car 114 is coupled to a first suspension element 126a via a first coupling device 158a and a first primary coupling element 144.1a.
  • the second elevator car 116 is coupled to a second suspension element 126b via a second coupling device 158b and a second primary coupling element 144.1b.
  • the coupling is designed in such a way that it cannot be released during normal operation of the elevator system 110, ie the named coupling devices cannot be uncoupled from the coupling elements.
  • the four elevator cars can thus be relocated in the elevator shaft 112 independently of one another.
  • a bolt 160 of the second coupling device 158b enters a recess 148 of the second primary coupling element 144.1b.
  • the bolt 160 is fixed to the floor 151 of the second elevator car 116 via two U-shaped fastening elements 164 arranged at a distance from one another.
  • the two fastening elements 164 are screwed to the base 151 by means of screws which are not shown.
  • the bolts 160, the fastening elements 164 and the screws thus form the coupling device 158b, which implement a coupling to the second primary coupling element 144.1b, which cannot be released during normal operation of the elevator system 110.
  • the coupling element could also be screwed directly to the elevator car.
  • the elevator cars can also be supported by a mainly L-shaped frame, which is guided and driven. Such an embodiment is also referred to as a backpack arrangement.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Elevator Control (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (15)

  1. Système d'ascenseur comportant
    - une première cabine d'ascenseur (14, 114), laquelle peut être déplacée dans la direction verticale dans une première cage d'ascenseur (12, 112),
    - un premier moyen porteur (26a, 26b, 26c, 26d, 126a, 126b) fermé et guidé autour d'un galet de renvoi (28) inférieur et d'un galet de renvoi (30) supérieur,
    - une première machine d'entraînement (34a) associée au premier moyen porteur (26a, 126a) et
    - un premier dispositif d'accouplement (158a) disposé sur la première cabine d'ascenseur (14, 114),
    dans lequel le premier moyen porteur (26a, 126a) comporte un premier élément d'accouplement (44.1a, 144.1a) primaire auquel le premier dispositif d'accouplement (158a) peut être accouplé, une liaison d'entraînement entre la première cabine d'ascenseur (14, 114) et le premier moyen porteur (26a, 126a) pouvant être réalisée et la première cabine d'ascenseur (14, 114) accouplée pouvant être déplacée dans la première cage d'ascenseur (12, 112) au moyen du premier moyen porteur (26a, 126a) pouvant être entraîné par la première machine d'entraînement (34a),
    caractérisé en ce que
    le premier élément d'accouplement (44.1.a, 144.1a) primaire du premier moyen porteur (26a, 126a) est conçu sous la forme d'un élément de liaison (45), lequel relie deux extrémités (42) libres du premier moyen porteur (26a, 126a) l'une à l'autre.
  2. Système d'ascenseur selon la revendication 1,
    caractérisé en ce que
    le premier dispositif d'accouplement (158a) est accouplé au premier élément d'accouplement (144.1a) primaire de telle sorte que, lors d'un fonctionnement normal du système d'ascenseur (110), le premier dispositif d'accouplement (158a) ne peut pas être désaccouplé du premier élément d'accouplement (144.1a) primaire, lors d'un fonctionnement normal, une liaison d'entraînement entre la première cabine d'ascenseur (114) et le premier moyen porteur (126a) existant toujours.
  3. Système d'ascenseur selon la revendication 1,
    caractérisé en ce que
    le premier dispositif d'accouplement peut être commandé de telle sorte que, lors d'un fonctionnement normal du système d'ascenseur (10), le premier dispositif d'accouplement peut être accouplé au premier élément d'accouplement (44.1a) primaire et désaccouplé du premier élément d'accouplement (44.1a) primaire, une liaison d'entraînement entre la première cabine d'ascenseur (14) et le premier moyen porteur (26a) pouvant être réalisée et détachée.
  4. Système d'ascenseur selon l'une des revendications 2 ou 3,
    caractérisé par
    - une seconde cabine d'ascenseur (16, 116), laquelle peut être déplacée dans la direction verticale dans la première cage d'ascenseur (12, 112),
    - un second moyen porteur (26b, 126b) fermé, guidé autour d'un galet de renvoi (28) inférieur et d'un galet de renvoi (30) supérieur,
    - une seconde machine d'entraînement (34b) associée au second moyen porteur (26b) et
    - un second dispositif d'accouplement (58b, 158b) disposé sur la seconde cabine d'ascenseur (16, 116),
    dans lequel le second moyen porteur (26b, 126b) comporte un second élément d'accouplement (44.1b, 144.1b) primaire auquel le second dispositif d'accouplement (58b, 158b) peut être accouplé, une liaison d'entraînement entre la seconde cabine d'ascenseur (16, 116) et le second moyen porteur (26b, 126b) pouvant être réalisée et la seconde cabine d'ascenseur (16, 116) accouplée pouvant être déplacée dans la première cage d'ascenseur (12, 112) au moyen du second moyen porteur (26b, 126b) pouvant être entraîné par la seconde machine d'entraînement (34b).
  5. Système d'ascenseur selon la revendication 3 ou 4,
    caractérisé en ce que
    les moyens porteurs (26a, 26b) comportent un élément d'accouplement (44.2a, 44.2b) secondaire auquel des dispositifs d'accouplement (58b) peuvent être accouplés et désaccouplés et les éléments d'accouplement primaires et secondaires (44. 1a, 44.2a ; 44.1b, 44.2b) d'un moyen porteur (26a, 26b) sont disposés de telle sorte que, lorsque la cabine d'ascenseur (14, 16) accouplée à un moyen porteur (26a, 26b) par l'intermédiaire d'un élément d'accouplement (44.1a, 44.2a ; 44.1b, 44.2b) est déplacée d'une position finale (18) inférieure à une position finale (22) supérieure ou inversement, aucun élément d'accouplement (44.1a, 44.2a ; 44.1b, 44.2b) n'est guidé autour d'un galet de renvoi (28, 30).
  6. Système d'ascenseur selon la revendication 5,
    caractérisé en ce que
    les deux éléments d'accouplement (44.1a, 44.2a ; 44.1b, 44.2b) d'un moyen porteur (26a, 26b) sont disposés de telle sorte que, lorsqu'une cabine d'ascenseur (14, 16) accouplée au moyen porteur (26a, 26b) par l'intermédiaire d'un élément d'accouplement (44.1a, 44.2a; 44.1b, 44.2b) est déplacée de la position finale (18) inférieure à la position finale (22) supérieure ou inversement, aucun élément d'accouplement (44.1a, 44.2a ; 44.1b, 44.2b) ne vient en contact avec un galet de renvoi (28, 30).
  7. Système d'ascenseur selon la revendication 5 ou 6,
    caractérisé en ce que
    les deux éléments d'accouplement (44.1a, 44.2a ; 44.1b, 44.2b) d'un moyen porteur (26a, 26b) sont disposés de telle sorte que, lorsqu'une cabine d'ascenseur (14, 16) accouplée à un moyen porteur (26a, 26b) par l'intermédiaire d'un élément d'accouplement (44.1a, 44.2b) primaire a atteint la position finale (22) supérieure, l'élément d'accouplement (44.2a, 44.2b) secondaire est positionné de telle manière qu'un dispositif d'accouplement (58b) d'une cabine d'ascenseur (14, 16) disposée dans la position finale (18) inférieure peut s'accoupler à l'élément d'accouplement (44.2a, 44.2b) secondaire.
  8. Système d'ascenseur selon la revendication 5, 6 ou 7,
    caractérisé en ce que
    la machine d'entraînement (34a, 34b, 34c, 34d) est commandée par une commande d'ascenseur (36), laquelle est conçue pour inverser une direction de mouvement (69) du moyen porteur (26a, 26b) pour le prochain déplacement d'une cabine d'ascenseur (14, 16) lorsqu'une cabine d'ascenseur (14, 16) a atteint la position finale (18) inférieure ou la position finale (22) supérieure.
  9. Système d'ascenseur selon l'une quelconque des revendications 3 à 8, caractérisé en ce que
    la première cabine d'ascenseur (14) et la seconde cabine d'ascenseur (16) peuvent également être déplacées dans la direction verticale dans une seconde cage d'ascenseur (13) disposée parallèlement à la première cage d'ascenseur (12), et
    le système d'ascenseur (10) comporte
    - un premier dispositif de transfert (70) au moyen duquel des cabines d'ascenseur (14, 16) peuvent être transférées de la première cage d'ascenseur (12) à la seconde cage d'ascenseur (13) et
    - un second dispositif de transfert (76) au moyen duquel des cabines d'ascenseur (14, 16) peuvent être transférées de la seconde cage d'ascenseur (13) à la première cage d'ascenseur (12),
    dans lequel un déplacement des cabines d'ascenseur (14, 16) dans la seconde cage d'ascenseur (13) est réalisé de manière analogue à un déplacement dans la première cage d'ascenseur (12).
  10. Système d'ascenseur selon la revendication 9,
    caractérisé en ce que
    les cabines d'ascenseur (14, 16) ne sont déplacées que de bas en haut dans la première cage d'ascenseur (12) et ne sont déplacées que de haut en bas dans la seconde cage d'ascenseur (13).
  11. Système d'ascenseur selon la revendication 9 ou 10,
    caractérisé en ce que,
    dans la première cage d'ascenseur (12) et dans la seconde cage d'ascenseur (13), un même nombre de moyens porteurs (26a, 26b, 26c, 26d) comportant respectivement un élément d'accouplement (44.1a, 44.1b) primaire et un élément d'accouplement (44.2a, 44.2b) secondaire sont respectivement disposés et un nombre de cabines d'ascenseur (14, 16) est au maximum égal à un nombre total de moyens porteurs (26a, 26b, 26c, 26d).
  12. Système d'ascenseur selon l'une quelconque des revendications 1 à 11,
    caractérisé en ce que
    les moyens porteurs (26a, 26b, 26c, 26d) sont conçus sous la forme de courroies.
  13. Système d'ascenseur selon l'une quelconque des revendications 1 à 12,
    caractérisé en ce que
    les éléments d'accouplement (44.1a, 44.2a, 44.1b, 44.2b) sont guidés lors d'un déplacement dans la première cage d'ascenseur (12).
  14. Système d'ascenseur selon l'une quelconque des revendications 1 à 13,
    caractérisé en ce que
    chaque cabine d'ascenseur (14, 16) comporte deux dispositifs d'accouplement (58b), lesquels sont conçus pour être accouplés en même temps à des éléments d'accouplement (44.1a, 44.2a, 44.1b, 44.2b) de deux moyens porteurs (26a, 26b) différents.
  15. Système d'ascenseur selon la revendication 14,
    caractérisé en ce que
    les deux dispositifs d'accouplement (58) sont disposés sur des côtés opposés de la cabine d'ascenseur (14, 16).
EP18745596.9A 2017-08-17 2018-07-25 Système élévateur Active EP3681835B1 (fr)

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US11535493B2 (en) 2022-12-27
US20200180911A1 (en) 2020-06-11
EP3668810B1 (fr) 2022-06-22
US20200231410A1 (en) 2020-07-23
AU2018317641B2 (en) 2021-09-30
CN110997543B (zh) 2022-04-15
EP3668810A1 (fr) 2020-06-24
SG11202000750VA (en) 2020-02-27
CN110997544B (zh) 2021-06-01
AU2018319105A1 (en) 2020-03-05
CN110997544A (zh) 2020-04-10
EP3681835A1 (fr) 2020-07-22
WO2019034405A1 (fr) 2019-02-21
SG11202000756UA (en) 2020-02-27
US11623845B2 (en) 2023-04-11
AU2018319105B2 (en) 2021-09-30
CN110997543A (zh) 2020-04-10
WO2019034381A1 (fr) 2019-02-21

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