EP3114067B1 - Entraînement à courroie multiple pour une installation d'ascenseur - Google Patents

Entraînement à courroie multiple pour une installation d'ascenseur Download PDF

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Publication number
EP3114067B1
EP3114067B1 EP15703590.8A EP15703590A EP3114067B1 EP 3114067 B1 EP3114067 B1 EP 3114067B1 EP 15703590 A EP15703590 A EP 15703590A EP 3114067 B1 EP3114067 B1 EP 3114067B1
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EP
European Patent Office
Prior art keywords
machine
pulley
drive
support
support means
Prior art date
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EP15703590.8A
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German (de)
English (en)
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EP3114067A1 (fr
Inventor
Christoph Liebetrau
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Inventio AG
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Inventio AG
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Publication of EP3114067A1 publication Critical patent/EP3114067A1/fr
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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
    • B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor
    • 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
    • B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • 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

Definitions

  • the invention relates to a drive machine for an elevator installation, to a corresponding elevator installation, and to a method for carrying and driving vehicles of an elevator installation.
  • Elevator systems are used to transport passengers and loads between floors of a building.
  • various elevator systems are known.
  • Traction lifts usually include an elevator car and a counterweight, which are connected by means of suspension, wherein the support means is guided over a drive machine.
  • the drive machine drives by means of a traction sheave the support means and thereby moves the car and the counterweight in the building in opposite directions up and down.
  • cabin and counterweight two cabins can be used. In general, these are two drive bodies which are moved by the suspension means against each other.
  • suspension elements in elevator systems are known.
  • the two driving bodies are arranged directly in a so-called 1: 1 suspension.
  • the two ends of the support means are firmly connected to a respective drive body and the support means is guided over the traction sheave.
  • a peripheral speed of the traction sheave, the speed of the suspension element and the speed of the carriage are identical.
  • the suspension element is mounted in the building and the car bodies are suspended by means of support rollers on the suspension element.
  • the peripheral speed of the traction sheave, the speed of the support means in the traction sheave is thus twice as large as the speed of the carriage.
  • the support means is mounted in the building and the car bodies are hung by means of support rollers 2-fold suspended on the suspension means, the support means is also performed in the building again on a roller.
  • the peripheral speed of the traction sheave and the speed of the support means in the traction sheave are thus four times as large as the speed of the carriage.
  • An elevator installation includes at least a first drive body and a second drive body.
  • the two drive bodies are connected to each other with at least one suspension element.
  • a drive machine is arranged in the suspension element course. By means of the drive machine, the at least one suspension means can be driven, whereby the two drive bodies can be carried and moved.
  • the two drive bodies each include at least a first support roller and the support means carries by means of these support rollers, the drive body at least partially.
  • the drive machine includes at least a first and a second machine roll, which are arranged on a common axis of rotation of the drive machine. At least one of these first or second machine rolls is a machine drive pulley or traction sheave for driving the suspension element.
  • the at least one support means is guided from the first to the second drive body via the first and the second machine roll and the guide of the suspension element and the configuration of the drive machine is such that the peripheral speeds of the two machine rolls are different in the process.
  • the at least one machine drive pulley or traction sheave for driving the suspension element is preferably drivable by means of a drive motor.
  • the other of the first or second machine roll is either freely rotatable arranged on the common axis of rotation of the drive machine or it is also driven by a motor.
  • the load capacity in the support means can be reduced, provided that the other of the first or second machine roll is arranged freely rotatable, or it can be reduced in the support means and the supporting force to be initiated by the drive in the suspension means are distributed to several machine roles, provided the other of the first or second machine roll is also arranged to be driven by a motor on the common axis of rotation of the drive machine.
  • this other machine drive pulley or traction sheave can be driven by the same a drive motor, which can thus drive the first and second machine reel. Between the first and second machine reel, there is, for example, an external gear ratio using different diameters, a gear stage, a differential gear and / or a flexible coupling.
  • this other machine drive pulley or traction sheave may be driven by another or separate drive motor. This allows a driving force to be controlled in the support means as needed.
  • the elevator installation includes a second drive machine or a deflection device with a third machine roll and a fourth machine roll.
  • This third and fourth machine reel are arranged as in the first drive machine on a common axis of rotation of the second drive machine or the deflection device.
  • the support means is thus guided on its way from the first to the second drive body on the third and fourth machine role.
  • the peripheral speed of the third and the fourth machine reel are different. This is advantageous because it distributes a drive torque to two smaller units can be. This is particularly advantageous if, for reasons of rope guide anyway additional redirection is required.
  • the first drive body includes a second support roller and the support means is guided in a 4: 1 suspension to the first drive body or to its support rollers.
  • the suspension element is guided, starting from a first fixed attachment point in a shaft of the elevator installation, to the first support roller of the first drive body. From there it is guided further to the first machine roll of the drive machine and in turn is guided back to the second support roller of the first drive body.
  • the support means is guided by the second support roller of the first drive body to the second machine roll of the drive machine.
  • the peripheral speed of the second machine roller of the drive machine corresponds approximately to twice the peripheral speed of the first machine roller.
  • This type of support means guide is advantageous because a further reduction of the load capacity in the suspension element can be achieved by the large translation in the suspension and because the resulting high machine speed allows the use of small motors.
  • the second drive body further includes a second carrying roller and the carrying means is likewise guided in a 4: 1 suspension to the second drive body or to its carrying rollers.
  • the support means is accordingly guided from the second machine roll of the drive machine to the fourth machine roll of the second drive machine or the deflection device. From this fourth machine roll, the suspension element is further to the second Carrying roller of the second drive body out and after wrapping the same is guided back to the second drive machine or the deflection and there guided over the third machine role.
  • the support means is further guided by the third machine roll to the first support roller of the second drive body and finally passed after wrapping around this first support roller of the second drive body to a second fixed attachment point of the support means in the shaft and fastened there.
  • This further embodiment is advantageous since the two driving bodies thereby work with the same ratios, whereby in particular the paths become the same.
  • the second drive body has an attachment point for fastening the suspension element, and the second drive body is arranged in a 3: 1 suspension.
  • support rollers of the second drive body are arranged below the drive body.
  • the first drive body in particular a counterweight
  • the second drive body in particular an elevator car
  • a travel of the first drive body is thus only 3 ⁇ 4 of the travel of the second drive body.
  • above the second drive body remains enough space for an arrangement of the prime mover.
  • the axes of rotation of the support rollers of the first and second drive body, the axis of rotation of the drive machine with the associated machine rolls and possibly the axis of rotation of the second drive machine or the deflection with the associated machine rolls are preferably aligned parallel to each other. This arrangement allows the use of support means in the form of carrying straps. This space-saving arrangements can be realized.
  • the support rollers of the first drive body in the upper area and / or arranged above the first drive body and the support rollers of the second drive body are arranged in the lower region of the second drive body and / or below the second drive body.
  • the first drive body is a counterweight and the second drive body is an elevator car.
  • the support rollers of the elevator car are preferably arranged below the elevator car, so that the support means are guided below the elevator car.
  • the first and the second drive body are exchangeable.
  • the first drive body can also be embodied as an elevator car and the second drive body as a counterweight, or it can of course also be designed both body as elevator car.
  • the support means is a carrying strap, preferably a carrying strap with a poly-V ribbed driving surface, and the machine rolls of the driving machine and the carrying rollers of the two running bodies have a driving or guiding surface shaped according to a shape of the carrying belt.
  • Such suspension means have good traction and allow small deflection radii.
  • these straps allow a space-saving design.
  • At least two parallel carrying means are used for supporting and driving the first and second driving bodies
  • the driving machine includes two machine-roller sets.
  • Each of the two machine roll sets each further includes a first machine roll and a second machine roll, and the two machine roll sets are disposed on the common axis of rotation of the prime mover.
  • plant safety can thus be increased, since the drive bodies are supported by redundant suspension elements, and an introduction of force into the drive bodies can, for example, take place essentially symmetrically with respect to a guide plane of the two drive bodies.
  • the strap or straps are always bent in the same direction in the course of the first attachment point to the second attachment point to the support rollers and machine rolls. This can be a lifetime of the strap optimized.
  • the prime mover as it is preferably used for a previously described elevator installation, includes a drive motor and a first machine roll and a second machine roll. These are arranged on a common axis of rotation. Arranged on a common axis of rotation means that the machine rolls are arranged coaxially with one another so that they are arranged along the common axis. At least one of the first or second machine reel is provided with a drive surface for driving a support means, and this machine reel, which is provided for driving the support means, is non-positively connected to the drive motor. In one embodiment, the other of the first or second machine roll is non-positively connected to the one drive motor. The connection is such that when driving the machine rolls by means of the drive motor, the peripheral speeds of the two machine rolls are different or at least may be different.
  • the one drive motor is in the sense of a single drive motor thus simultaneously drives the first and the second machine role.
  • the other of the first or second machine roll is arranged freely rotatable on the common axis of rotation.
  • a circumferential speed of the freely rotatable machine reel can thus be adjusted according to the speed of the suspension element which is guided over this freely rotatable machine reel.
  • the other of the first or second machine roll is thus not motor driven. This is advantageous because the prime mover can be made simple.
  • the first machine roll to a second machine roll different roll diameter, so that there is a corresponding to the roll diameter different peripheral speed of the two machine rolls.
  • the two machine rolls can be connected via a drive axle, which is arranged on the common axis of rotation, directly, non-positively connected to the drive motor.
  • the drive axle can be gearless driven by the drive motor or it can also be driven by a drive from the drive motor.
  • one of the first or second machine roll is directly connected non-positively to the drive axis and the other of the first or second machine roll is non-positively connected by means of a transmission gear to the drive axis, so that a corresponding to a translation of the transmission gear different peripheral speed of the two machine roles result.
  • the drive axle can be gearless driven by the drive motor or the drive shaft can be driven by a drive from the drive motor.
  • the two driven machine rolls are coupled together with a viscous coupling or a differential gear or with a slip clutch.
  • a viscous coupling or a differential gear or with a slip clutch has a particularly good cost / benefit ratio, since speed differences only result from expansion and slip-related deviations.
  • differential gear By means of differential gear, an entire driving force can be transmitted efficiently and evenly to the suspension elements.
  • the support means can be spared and wear can be kept low.
  • the prime mover comprises two first and two second machine rolls, wherein in each case one machine roll set consists of a first and a second machine roll and the drive motor is arranged centrally between the two machine roll sets.
  • the elevator system with two separate Carrying means are operated. This increases the safety of the elevator installation, since in the case of failure of a suspension element, the running bodies of the elevator installation are still carried.
  • the drive motor is connected via a transmission, preferably a worm gear to the drive axle, and a motor axle of the drive motor is arranged essentially at right angles to the drive axle.
  • the motor axis of the drive motor is arranged substantially parallel to the drive axis and the motor axis is connected to a spur or belt drive to the drive axis.
  • the motor axis of the drive motor is integrally assembled with the drive shaft and the drive motor drives the drive shaft gearless.
  • FIG. 1 shows an elevator system 1 with a prime mover 9 in a shaft 2.
  • the FIGS. 2 and 3 show the elevator from FIG. 1 in a schematic side view and in different positions in the shaft 2.
  • the elevator system 1 here includes a first drive body 3, which is designed as a counterweight 4, and it includes a second drive body 5, which is designed as an elevator car 6.
  • the elevator car 6 and the counterweight 4 or the two drive bodies 3, 5 are arranged to be movable along guide rails 7.
  • the elevator car 6 and the counterweight 4 are supported by support means 8 and connected to each other.
  • a prime mover 9 carries and drives the support means 8 and thereby can move the two drive bodies 3, 5 in the shaft against each other.
  • two parallel strands of support means 8, 8.1, 8.2 are used, which extend substantially to the left and right of a plane determined by the guide rails 7 of the elevator car 6 level.
  • the required strands of suspension elements from the elevator data such as existing elevator masses and transport weights, type of support means or delivery height, etc.
  • the type of arrangement of the multiple strands is determined by the expert.
  • 4: 1 suspension is here understood to mean that a suspension element 8.1 carries the relevant carriage 3, 5 via four sections.
  • a tensile force in the support means 8 is thus a quarter of the load capacity of the entire suspension element strand 8.1.
  • the tensile force in the suspension element 8 is one third of the load capacity of a suspension element strand 8.2.
  • the type of suspension translation can of course be changed. Depending on the requirements, it can be chosen to be the same for the two driving bodies or it can be chosen differently, as in the present example. On special effect of the given Distribution will be discussed later.
  • the support means 8 is now attached at one end to a first fixed attachment point 37 in the shaft 2 of the elevator installation 1.
  • the support means forces can be introduced in a known manner via mounting bracket in the guide rails 7, they can be introduced into the shaft wall or in a shaft ceiling or in a console or a machine frame of the engine 9.
  • the support means 8 is guided to the counterweight 4 or to the first drive body 5 or to a first carrying roller 33 of the first drive body 4. From there it is guided back to the drive machine 9, where it wraps around a first machine roll 18, 19.
  • the support means is again guided back to a second support roller 34 of the first drive body 4 and from there again to the drive machine 9, where it wraps around a second machine roll 20, 21 of the drive machine 9.
  • At least one of the machine rolls 18, 19, 20, 21 is designed as a machine drive roller 14 and it can drive the support means 8.
  • the peripheral speed of the second machine roll 20, 21 of the prime mover 9 in this case corresponds approximately to twice the peripheral speed of the first machine roll 18, 19.
  • the peripheral speed of the first machine roll 18, 19 corresponds approximately to twice the linear speed of the first drive body 4.
  • the first drive body 4 connected by means of 4: 1 suspension to the prime mover 9.
  • Embodiments of drive machines 9 as they can be used for the present arrangement are in the embodiments of the FIGS. 8 to 12 shown.
  • the support means 8 is now guided by the second machine roll 20, 21 of the drive machine 9 to a first support roller 33 of the second drive body 5 and the elevator car 6.
  • the first support roller 33 is disposed below the elevator car 6 and it is divided into two rollers 33.1 and 33.2, which are arranged on the two-sided side regions of the elevator car 6.
  • the support means 8 can thus be guided below the elevator car 6 to an opposite side of the elevator car.
  • the support means 8 is guided to a deflection roller 32, which is arranged in the shaft 2.
  • the support means is guided by the guide roller 32 to the elevator car 6 where it by means of a mounting point 39 on the second drive body fifth or is attached to the elevator car 6.
  • the second drive body 5 is connected or supported by means of a 3: 1 suspension to the prime mover 9.
  • FIG. 2 which an operating situation of the elevator system of FIG. 1 represents the elevator car 5, 6 at the upper end of their driving range.
  • the counterweight 3, 4 is accordingly at the lower end of its travel range or approximately at the bottom in the shaft 2.
  • FIG. 3 is the elevator car 5, 6 at the lower end of their driving range, that is approximately at the bottom of the shaft 2.
  • the counterweight 3, 4 is accordingly at the top of his driving range.
  • the counterweight had to travel a smaller distance because it is connected to the drive machine 9 by means of a 4: 1 suspension, while the elevator car is suspended by means of a 3: 1 suspension.
  • Above the counterweight 3, 4 is therefore a residual area corresponding to approximately one quarter of the travel of the elevator car.
  • the support means 8 are accordingly guided next to the counterweight 4.
  • the counterweight can of course also be provided with corresponding lateral channels or depressions.
  • a second drive machine 27 is arranged in the upper region of the shaft or in an engine room 2c lying in an extension of the shaft, and further carrier rollers 33, 35 are arranged in the elevator car. The support means 8 is thus performed starting from the second machine roll 20 of the prime mover 9 to the third machine roll 30 of the second drive machine 27 (corresponding to the second machine roll 20 of the prime mover 9) and extends from there to the second support roller 35 of the second drive body 5 and the elevator car 6.
  • the support means 8 is guided back to the drive machine 27 where it wraps around a fourth machine roll 31 (corresponding to the first machine roll 18 of the drive machine 9). Further, it runs once again to the elevator car 6, wraps around the first support roller 33 and is finally guided to a second fixed attachment point 38 and thus fixed in the shaft 2 and in the embodiment shown on the drive machine 27. In the present embodiment, therefore, both carriage 3, 5 are suspended in a 4: 1 suspension.
  • an intermediate floor 2 a separates the machine room 2 c with the drive machines 9, 27 from the underlying driving area of the shaft.
  • the second drive machine 27 is raised so that a minimum distance between the machine rollers 30, 31 and the support rollers 33, 35 of the elevator car 6 can be achieved.
  • the embodiment with machine room 2a is advantageous, for example, in conversions, if already existing engine rooms can be used.
  • the guide rails 7 are arranged such that two guide rails 7 of the counterweight 4 and a guide rail 7 of the elevator car 6 extend on one side of the elevator car 6, while another guide rail 7 of the elevator car 6 extends on another side of the elevator car 6.
  • both carriages 3, 5 are suspended in a 4: 1 suspension.
  • the support rollers 33, 35 of the second drive body 5 and the elevator car 6 are arranged laterally of the elevator car 6 in the vicinity of the lower boundary of the elevator car.
  • the two drive machines 9, 27 are brought together to form a unit and all the guide rails 7 are arranged on one side of the elevator car 6.
  • the elevator car 6 is guided in a so-called backpack arrangement. With this Execution can always ensure a large distance between machine rolls and idlers. Thus, a diagonal tension, which results from the double wrapping of the machine rolls, be minimized. Furthermore, a load of the drive machines 9, 27 can be introduced into all guide rails 7.
  • one of the drive machines 9, 27 may be designed only as a deflection unit. Between drive unit 9, 27 and shaft 2, as shown, the intermediate bottom 2a may be arranged. But the intermediate bottom 2a can also be omitted, creating a machine room-less elevator arises.
  • the second drive machine 27 is arranged as a separate unit on the opposite side of the counterweight of the elevator car 6.
  • the support means 8 traverses above the elevator car 6 the shaft 2. Also, the guide rails 7 in the originally in the FIGS. 1 to 4 shown executed arrangement.
  • the fixed attachment points 37, 38 may be connected to rails to walls, ceilings or to the prime mover 9, 27 or deflection device 28.
  • the deflection device 28 can also be embodied as a drive machine or the drive machines 9, 27 as deflection devices. At least one prime mover must of course be present in the elevator system. This could of course be distributed in principle in any of the carrying or diverting pulley or on all. The type of leadership of the vehicle is not explained here.
  • FIG. 8 shows a basically known drive machine, as already in the publication EP1400479 was made known.
  • the drive machine 9, 27 includes a motor 23 with a motor axis 24. It is a gearless machine, that is, the motor shaft 24 also forms a common axis of rotation 15 on the machine rollers 18, 19, 20, 21, 30, 31 are arranged are. These are used for carrying and driving the two driving bodies 3, 5 or the suspension means 8.
  • the machine rolls 18, 19, 20, 21, 30, 31 are divided into two machine roll sets 13. Between the two machine roll sets 13, a center bearing 12 is arranged, which receives a main load of the prime mover.
  • the prime mover also includes a brake 26 for holding the cars in a stop position.
  • the prime mover 9, 27 is mounted on a bracket 10. By means of the console 10, the prime mover 9, 27 can be arranged and secured in the elevator installation.
  • shown drive machine has in FIG. 8 shown embodiment machine rollers 18, 19, 20, 21, 30, 31 with different diameters, so that there are different peripheral speeds for the machine rolls during operation.
  • the first and the fourth machine rollers 18, 19 31 are in the embodiment firmly connected to the common axis of rotation 15 or incorporated into this and the second and the third machine rollers 20, 21 30 are connected by a slip clutch 17 with the common axis of rotation 15.
  • These second and third machine rolls 20, 21, 30 have twice the diameter in comparison to the first and fourth machine rolls 18, 19, 31, respectively, resulting in approximately twice the circumferential speed during operation.
  • the suspension element 8 can, as explained in the comments on previous figures, in a 4: 1 Aufhhuruung to the cars 3, 5 are connected.
  • the machine rolls are all provided with driving surfaces, so that a sufficient driving force can be transmitted to the suspension element. Since the length of the suspension element between the driving body and the drive machine can change due to slippage and stretching due to a travel path, small travel and speed shifts between the machine rollers can result. These are compensated by the slip clutch 17.
  • FIG. 9 shows the prime mover of FIG. 8 in a schematic representation, wherein in this embodiment, the motor 23 is arranged together with the brake 26 between the two machine roll sets 13.
  • FIG. 10 shows a modification of the prime mover of FIG. 9 ,
  • the second machine rolls 20, 21 and the third machine roll 30 are connected via a differential gear 16 with the first and fourth machine rolls 18, 19, 31.
  • the differential gear 16 couples the machine rollers together so that an average speed is maintained. Displacement and velocity shifts can thus be compensated.
  • the differential gear may be in the form of a "crown gear".
  • FIG. 11 shows a further possible embodiment of a prime mover 9, 27.
  • all machine rollers 18, 19, 20, 21 30, 31 of the prime mover 9, 27 in approximately the same diameter.
  • the first machine rollers 18, 19 are mounted on a free-running bearing on the common axis of rotation 15.
  • the motor 23 thus drives only the second machine roll 21, 20 and the speed of the first machine rolls 18, 19 necessarily results from a running speed of the support means 8.
  • FIG. 12 shows a further possible embodiment of a prime mover 9, 27.
  • the motor 23 and the motor shaft 24 is arranged at right angles to the common axis of rotation 15.
  • the motor 23 is approximately at right angles to the axis of rotation 15.
  • it protrudes substantially vertically upwards, so that the drive in the whole claimed little cross-sectional area.
  • the motor acts on the axis of rotation 15 via a gear 25, for example a worm gear or a bevel gear.
  • the arrangement of the machine rolls can be selected analogously to the previously described embodiments.
  • the illustrated engines 9, 27 are variier and can be combined.
  • the motor 23 may be disposed on one side of the machine rolls, and of course several sets of machine tools are possible, depending on a number of required strands of support means.
  • the design of the elevator systems is variable. Thus, for example, in the embodiments according to FIGS. 1 to 3 a false ceiling 2a be retracted, so that a small machine room 2a is formed. Other suspension or capping factors are possible.
  • the invention is not limited to the described embodiments and the abovementioned modifications.
  • the arrangements of the support rollers 33, 34, 35 are variable as needed and optimum space utilization.
  • two motors 23 may also be used, with a first motor driving the first machine roller 18, 19 and a second motor driving the second machine roller 20, 21. In this case, a driving force can be controlled in the suspension element as needed by controlling the two motors.

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

Claims (17)

  1. Machine d'entraînement (9, 27), destinée à une installation d'ascenseur (1), contenant un moteur d'entraînement (23), un premier rouleau de machine (18) et un second rouleau de machine (20) qui sont disposés sur un axe de rotation commun (15), au moins un des premier rouleau de machine (18) ou second rouleau de machine (20) étant pourvu d'une surface d'entraînement destinée à entraîner un moyen de support (8), et ce rouleau de machine (18, 20) qui est destiné à entraîner le moyen de support (8) étant relié par engagement de forces au moteur d'entraînement (23), caractérisé en ce que
    l'autre des premier ou second rouleaux de machine (20, 18) est également relié par engagement de forces au moteur d'entraînement (23), lors de l'entraînement des rouleaux de machine (20, 18) au moyen du moteur d'entraînement (23), les vitesses périphériques des deux rouleaux de machine (20, 18) étant différents, ou
    en ce que l'autre desdits premier ou second rouleaux de machine (20, 18) est disposé en rotation libre sur l'axe de rotation commun (15) de telle sorte qu'une vitesse périphérique du rouleau de machine (20, 18) en rotation libre peut être différente de la vitesse périphérique du rouleau de machine (18, 20) relié par engagement de force au moteur d'entraînement (23).
  2. Machine d'entraînement (9, 27) destinée à une installation d'ascenseur (1) selon la revendication 1, caractérisée en ce que le premier rouleau de machine (18) a un diamètre de rouleau différent de celui du second rouleau de machine (20), de sorte qu'il en résulte une vitesse périphérique différente, correspondant au diamètre du rouleau, des deux rouleaux de machine (18,20), les deux rouleaux de machine (18, 20) étant disposés sur l'axe de rotation commun (15) et étant reliés par engagement de force au moteur d'entraînement (23), et l'axe de rotation commun (15) étant entraîné sans engrenage ou par l'intermédiaire d'un engrenage (25) par le moteur d'entraînement (23).
  3. Machine d'entraînement (9, 27) destinée à une installation d'ascenseur (1) selon la revendication 1, caractérisée en ce que l'un des premier rouleau de machine (18) ou second rouleau de machine (20) est relié directement par engagement de force à l'axe de rotation (15) commun et l'autre des premier ou second rouleaux de machine (20, 18) est relié à l'axe de rotation commun (15) au moyen d'un engrenage de transmission (16), de sorte qu'il en résulte une vitesse périphérique différente, correspondant au rapport de transmission de l'engrenage de transmission (16), des deux rouleaux de machine (20, 18), l'axe de rotation commun (15) étant entraîné sans engrenage ou par l'intermédiaire de l'engrenage (25) par le moteur d'entraînement (23).
  4. Machine d'entraînement (9, 27) destinée à une installation d'ascenseur (1) selon l'une des revendications 1 à 3, caractérisée en ce que la machine d'entraînement (9, 27) contient à chaque fois deux premiers rouleaux de machine (18, 19) et deux seconds rouleaux de machine (20, 21), un ensemble de rouleaux de machine (13) étant composé à chaque fois d'un premier rouleau de machine (18, 19) et d'un second rouleau de machine (20, 21) et le moteur d'entraînement (23) étant disposé au centre entre les deux ensembles de rouleaux de machine (13).
  5. Machine d'entraînement (9, 27) destinée à une installation d'ascenseur (1) selon la revendication 4, caractérisée en ce que le moteur d'entraînement (23) est relié à l'axe de rotation commun (15) par l'intermédiaire de l'engrenage (25) et un axe de moteur (24) du moteur d'entraînement (23) est disposé de manière sensiblement parallèle ou perpendiculaire à l'axe de rotation (15) commun, ou que l'axe du moteur (24) du moteur d'entraînement (23) est assemblé d'un seul tenant avec l'axe de rotation (15) commun et le moteur d'entraînement (23) entraîne l'axe de rotation (15) commun sans engrenage.
  6. Installation d'ascenseur (1), muni d'un premier élément mobile (3) et d'un second élément mobile (5), comportant au moins un moyen de support (8) destiné à supporter les deux éléments mobiles (3, 5), et au moins une machine d'entraînement (9) destinée à entraîner l'au moins un moyen de support (8) et les deux éléments mobiles (3, 5), les deux éléments mobiles (3, 5) contenant chacun au moins un premier rouleau porteur (33) et le moyen de support (8) portant au moins partiellement les éléments mobiles (3, 5) au moyen de ces rouleaux porteurs (33), la machine d'entraînement (9) contenant au moins un premier et un deuxième rouleau de machine (18, 20) qui sont disposés sur un axe de rotation commun (15) de la machine d'entraînement (9), au moins un de ces premier ou deuxième rouleau de machine (18, 20) étant un rouleau d'entraînement de machine (14) destiné à entraîner le moyen de support, caractérisée en ce que
    le moyen de support (8) est guidé du premier élément mobile (3) au second élément mobile (5) par l'intermédiaire du premier rouleau de machine (18) et du deuxième rouleau de machine (20), et
    en ce que les vitesses périphériques des deux rouleaux de machine (18, 20) lors du déplacement sont différentes.
  7. Installation d'ascenseur (1) selon la revendication 6, caractérisée en ce que l'installation d'ascenseur (1) contient une seconde machine d'entraînement (27) ou un dispositif de déviation (28) comportant un troisième rouleau de machine (30) et un quatrième rouleau de machine (31), lesquels sont disposés sur un axe de rotation commun de la seconde machine d'entraînement (27) ou du dispositif de déviation, et le moyen de support (8) étant guidé sur son chemin allant du premier élément mobile (3) au second élément mobile (5) au moins également par l'intermédiaire du troisième rouleau de machine (30) et du quatrième rouleau de machine (31), et les vitesses périphériques du troisième rouleau de machine (30) et du quatrième rouleau de machine (31) étant différentes.
  8. Installation d'ascenseur (1) selon l'une des revendications 6 ou 7, caractérisée en ce qu'au moins le premier élément mobile (3) contient un second rouleau porteur (34) et le moyen de support (8) est guidé dans une suspension 4:1 vers le premier élément mobile (3) respectivement vers les rouleaux porteurs (33, 34) de celui-ci, le moyen de support (8) étant guidé, en partant d'un premier point de fixation (37) fixe dans une cage (2) de l'installation d'ascenseur (1), vers le premier rouleau porteur (33) du premier élément mobile (3), d'où il est guidé ensuite vers le premier rouleau de machine (18) de la machine d'entraînement (9), d'où il est alors ramené au second rouleau porteur (34) du premier élément mobile (3), d'où il est guidé ensuite vers le second rouleau de machine (20) de la machine d'entraînement (9), et la vitesse périphérique du second rouleau de machine (20) de la machine d'entraînement (9) correspondant approximativement au double de la vitesse périphérique du premier rouleau de machine (18).
  9. Installation d'ascenseur (1) selon la revendication 8, caractérisée en ce que
    le second élément mobile (5) contient en outre également un second rouleau porteur (35) et le moyen de support (8) est guidé dans une suspension 4:1 vers le second élément mobile (5) respectivement vers les rouleaux porteurs (33, 35) de celui-ci,
    le moyen de support (8) est guidé ensuite par le second rouleau de machine (20) de la machine d'entraînement (9) vers le quatrième rouleau de machine (31) de la seconde machine d'entraînement (27) ou du dispositif de déviation (28),
    le moyen de support (8) est ensuite guidé vers le second rouleau porteur (35) du second élément mobile (5),
    puis le moyen de support (8) est ramené à la seconde machine d'entraînement (27) ou au dispositif de déviation (28) et est guidé par l'intermédiaire du troisième rouleau de machine (30) de celle-ci ou de celui-ci,
    le moyen de support (8) est ensuite guidé par le troisième rouleau de machine (30) vers le premier rouleau porteur (33) du second élément mobile (5), et enfin
    le moyen de support (8) est ensuite guidé par le premier rouleau porteur (33) du second élément mobile (5) vers un second point de fixation fixe (38) du moyen de support (8) dans la cage (2), et est fixé à celui-ci.
  10. Installation d'ascenseur (1) selon la revendication 8, caractérisée en ce que le second élément mobile (5) comporte un point de fixation (39) destiné à fixer le moyen de support (8) et le second élément mobile (5) est disposé dans une suspension 3:1.
  11. Installation d'ascenseur (1) selon l'une des revendications 6 à 10, caractérisée en ce que les axes de rotation des rouleaux porteurs (33, 34, 35) du premier élément mobile (3) et du second élément mobile (5), l'axe de rotation de la machine d'entraînement (9) comportant les rouleaux de machine (18, 19, 20, 21) associés ainsi qu'en tous les cas l'axe de rotation de la seconde machine d'entraînement (27) ou du dispositif de déviation (28) comportant les rouleaux de machine associés sont orientés parallèlement les uns aux autres.
  12. Installation d'ascenseur (1) selon l'une des revendications 6 ou 11, caractérisée en ce que les rouleaux porteurs (33, 34) du premier élément mobile (3) sont disposés dans la zone supérieure et/ou au-dessus du premier élément mobile (3), et
    en ce que les rouleaux porteurs (33, 35) du second élément mobile (5) sont disposés dans la zone inférieure du second élément mobile (5) et/ou au-dessous du second élément mobile (5).
  13. Installation d'ascenseur (1) selon l'une des revendications 6 à 12, caractérisée en ce que le premier élément mobile (3) est un contrepoids (4) et en ce que le second élément mobile (5) est une cabine d'ascenseur (6), les rouleaux porteurs (33, 35) de la cabine d'ascenseur (6) étant disposés au-dessous de la cabine d'ascenseur (6) de sorte que le moyen de support (8) est guidé au-dessous de la cabine d'ascenseur (6).
  14. Installation d'ascenseur (1) selon l'une des revendications 6 à 13, caractérisée en ce que le moyen de support (8) est une courroie porteuse, de préférence une courroie porteuse ayant une surface d'entraînement à nervures Poly-V et les rouleaux de machine (18, 19, 20, 21) de la machine d'entraînement (9, 27) et les rouleaux porteurs (33, 34, 35) des deux éléments mobiles (3, 5) ont une surface d'entraînement ou de guidage formée de manière à correspondre à la forme de la courroie porteuse (8), de préférence de la surface d'entraînement à nervures Poly-V de la courroie porteuse.
  15. Installation d'ascenseur (1) selon la revendication 14, caractérisée en ce que au moins deux moyens de support (8, 8.1, 8.2) s'étendant en parallèle sont utilisés pour supporter et entraîner les premier et second éléments mobiles (3, 5) et la machine d'entraînement (9, 27) contient deux ensembles de rouleaux de machine (13), lesquels deux ensembles de rouleaux de machine (13) contiennent chacun un premier rouleau de machine (18, 19) et un second rouleau de machine (20, 21), et lesquels ensembles de rouleaux de machine (13) sont disposés sur l'axe de rotation commun (15) de la machine d'entraînement (9, 27).
  16. Installation d'ascenseur (1) selon la revendication 14 ou 15, caractérisée en ce que la ou les courroie(s) porteuse(s) (8) est/sont guidée(s), suivant le tracé allant du premier point de fixation (37) au second point de fixation (38), en étant toujours courbée(s) dans le même sens autour des rouleaux porteurs et des rouleaux de machine.
  17. Procédé d'entraînement d'au moins un premier élément mobile (3) et d'un second élément mobile (5) d'une installation d'ascenseur (1) à l'aide d'une machine d'entraînement (9, 27),
    la machine d'entraînement contenant au moins un premier rouleau de machine (18) et un second rouleau de machine (20) qui sont disposés sur un axe de rotation commun (15),
    caractérisé en ce que
    les éléments mobiles de l'installation d'ascenseur sont reliés aux deux rouleaux de machine (18, 20) de la machine d'entraînement à l'aide d'au moins un moyen de support (8),
    en ce que le moyen de support (8) est guidé, en partant d'un premier point de fixation fixe dans la cage, vers un premier rouleau porteur (33) du premier élément mobile (3), le moyen de support (8) est ensuite guidé par le premier rouleau porteur (33) vers le premier rouleau de machine (18) de la machine d'entraînement et le moyen de support (8) s'enroule au moins partiellement sur ce le premier rouleau de machine,
    en ce que le moyen de support (8) est ramené à un second rouleau porteur (34) du premier élément mobile (3), et
    en ce que le moyen de support (8) est ensuite guidé vers le second rouleau de machine (20) de la machine d'entraînement et le moyen de support (8) s'enroule au moins partiellement sur ce second rouleau de machine (20).
EP15703590.8A 2014-03-05 2015-02-10 Entraînement à courroie multiple pour une installation d'ascenseur Active EP3114067B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14157947 2014-03-05
PCT/EP2015/052741 WO2015132051A1 (fr) 2014-03-05 2015-02-10 Entraînement à enroulement multiple pour installation d'ascenseur

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EP3114067A1 EP3114067A1 (fr) 2017-01-11
EP3114067B1 true EP3114067B1 (fr) 2018-04-04

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EP (1) EP3114067B1 (fr)
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WO (1) WO2015132051A1 (fr)

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CN109720964A (zh) 2017-10-27 2019-05-07 奥的斯电梯公司 电梯牵引系统以及电梯系统

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CN106061881B (zh) 2018-05-11
CN106061881A (zh) 2016-10-26
US10023436B2 (en) 2018-07-17
EP3114067A1 (fr) 2017-01-11
WO2015132051A1 (fr) 2015-09-11
US20170217731A1 (en) 2017-08-03

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