EP0917518B1 - Ascenseur a poulies motrices - Google Patents

Ascenseur a poulies motrices Download PDF

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Publication number
EP0917518B1
EP0917518B1 EP97937582A EP97937582A EP0917518B1 EP 0917518 B1 EP0917518 B1 EP 0917518B1 EP 97937582 A EP97937582 A EP 97937582A EP 97937582 A EP97937582 A EP 97937582A EP 0917518 B1 EP0917518 B1 EP 0917518B1
Authority
EP
European Patent Office
Prior art keywords
traction
elevator
sheave
load
carrying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97937582A
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German (de)
English (en)
Other versions
EP0917518A1 (fr
Inventor
Regina Köster
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Blain Hydraulics GmbH
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Blain Hydraulics GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Blain Hydraulics GmbH filed Critical Blain Hydraulics GmbH
Publication of EP0917518A1 publication Critical patent/EP0917518A1/fr
Application granted granted Critical
Publication of EP0917518B1 publication Critical patent/EP0917518B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • B66B11/007—Roping for counterweightless elevators
    • 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
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/10—Arrangements of ropes or cables for equalising rope or cable tension

Definitions

  • the invention relates generally to elevators, and more particularly to a traction sheave elevator. which has no mechanical counterweight.
  • Such a traction sheave elevator is already known from FR-A-2308578.
  • Lifts can generally be divided into three Subdivide classes, traction sheave or rope lifts, hydraulic lifts and Special solutions, such as Rack, chain or spindle gear lifts.
  • Mixed forms are also known, e.g. a hydraulic rope elevator, which actuated via a piston-cylinder arrangement and intermediate cables becomes.
  • a load conveyor in particular an elevator car hung on a rope, which over a so-called traction sheave is guided.
  • the traction sheave is driven by a motor to move the cabin up or down.
  • a counterweight is usually arranged on the suspension element or rope, which is usually heavier than the load conveyor. To the load conveyor and moving the counterweight must be sufficient There may be friction between the suspension cable and the traction sheave.
  • the counterweight is usually designed so that it is about the weight of the load plus half the maximum load corresponds.
  • Common counterweights are made of steel, reinforced concrete or the like manufactured and require a lot of space in the elevator shaft and on the other hand stable guide rails for spatial fixation. This spatial guidance in the elevator shaft is costly and material-intensive. In particular it is often necessary to use speed limiters and safety gear to provide for the counterweight, which other structural measures with bring with it the required space, costs and material.
  • speed limiters and safety gear to provide for the counterweight, which other structural measures with bring with it the required space, costs and material.
  • by the composite high moment of inertia of the load conveyor and the Counterweight greatly affects the response behavior of the elevator.
  • a traction sheave elevator without counterweight is in accordance with the preamble of claim 1 known.
  • a manually adjustable tensioning device acts on you Section of a suspension element. The tension force introduced into the suspension element becomes evenly over pulleys and a self-contained suspension element distributed on the two traction sheaves.
  • the object of the invention is a generic traction sheave elevator without Develop counterweight with two traction sheaves such that a high Operational safety, in particular a high driving ability is guaranteed, while the elevator is as compact as possible, reduced number of parts as well reduced manufacturing and assembly costs.
  • the tensioning device is in the traction sheave elevator according to the invention self-adjusting, i.e. self-acting or self-adjusting at one if necessary, elongation of the suspension element.
  • relative wrap angle of the suspension element with respect to each traction sheave greater than 180 °, i.e. that the wrap angle minus any integer multiples of 360 ° is greater than 180 °.
  • the traction sheave elevator according to the invention via at least one braking device for at least one of the traction sheaves to ensure the operational safety of the elevator further increase.
  • the tensioning device the suspension element after the expiry of applied to the second traction sheave, the force applied acts directly as the contact pressure of the suspension element with respect to the traction sheave, so that a total lower voltage of the elevator shaft or the one to be equipped Building can be reached.
  • the traction sheave elevator preferably has a counterweight, which in one A lift conveyor, a flexible suspension means, is guided, at least two motor-driven traction sheaves and a tensioning device on, which brings a required tension into the suspension element.
  • the load conveyor is an elevator car and the flexible suspension means especially ropes which are wound one after the other around the two traction sheaves are.
  • the elevator according to the invention enables a very compact construction, whereby in particular, all components are housed in the elevator shaft itself can be.
  • the required rope tension can be achieved using one provided at one end of the rope Tensioning means are provided, e.g. a hydraulic or pneumatic Clamping device, which e.g. mounted on the bottom of the elevator shaft can be.
  • a hydraulic or pneumatic Clamping device which e.g. mounted on the bottom of the elevator shaft can be.
  • the required voltage of the Suspended means reached via a force-deflection pulley, the Power-operated deflection pulley can also serve the wrap angle of the suspension element around the traction sheaves.
  • one end of the suspension means is connected to the load conveyor.
  • each section of the suspension element moves at the same speed moves like the load conveyor.
  • the attachment of the ends of the Suspension means formed in one piece for both ends, i.e. that in particular preferably the suspension means forms a closed loop.
  • you can separate locations are also provided for the two ends of the suspension element be, in particular these can be offset from one another, if necessary to compensate for a shifted focus.
  • the ends of the suspension element on the load handling equipment should be designed for it care is taken that the upward-running end of the suspension means in attached substantially above the center of gravity of the load conveyor becomes.
  • This arrangement is particularly advantageous because there is little Suspension material is required.
  • the complete Drive device, possibly including the elevator control, attached to the load conveyor, i.e. all moving parts can are located on the load conveyor and are therefore easy to install and close wait, with neither a machine room at the top nor at the bottom the like is needed to accommodate the elevator machinery.
  • the traction sheave elevator preferably has at least one further deflection sheave on the one hand, to ensure better symmetry of the suspension element course, and on the other hand the wrap angle of the traction sheaves increase.
  • a deflection roller is particularly preferred on the load conveyor provided to suspend the load conveyor indirectly or in the manner of a block and tackle, so that the force caused by the load conveyor halves to two each above-extending suspension element sections is distributed.
  • This pulley is preferred as a freewheel deflection roller and / or a double deflection counter roller formed, these having the same or possibly different radii can have.
  • the traction sheaves of the elevator can be driven by a common motor using a suitable gearbox, possibly with a clutch for the two traction sheaves, but it is preferred that each of the traction sheaves be driven by its own motor becomes.
  • electric motors, hydraulic motors and the like are used.
  • hydraulic motor preferred, which enables the most silent possible operation by the absence of a transmission device.
  • the engine can too serve as a braking device and in this case is preferably with a memory connected to the braking energy generated during the lowering of the load conveyor save for later lifting.
  • the engine acts as Braking device in the manner of a generator
  • the energy generated can be partially stored in a suitable memory, such as Example of a pressure or hydraulic accumulator in the case of a hydraulic motor, however, for example in the case of an electric motor, also a battery or others suitable storage means can be used.
  • a suitable memory such as Example of a pressure or hydraulic accumulator in the case of a hydraulic motor, however, for example in the case of an electric motor, also a battery or others suitable storage means can be used.
  • a suitable memory such as Example of a pressure or hydraulic accumulator in the case of a hydraulic motor, however, for example in the case of an electric motor, also a battery or others suitable storage means can be used.
  • the suspension element-exciting deflection disk is preferred over a weight-provided one Lever mechanism, a hydraulic device, a pneumatic Device or powered by an electric motor. Depending on the requirements the application of force can thus be controlled or adjusted, whereby also compensated for a suspension expansion caused by material fatigue can be.
  • the traction sheaves and the suspension element tensioning device is thus also spatially separated from one another be attached.
  • the in the suspension means generated voltage i.e. that in particular the exciting on the suspension means Deflection force acting on the load of the load conveyor is.
  • a weight detection device is in or on Load conveying means are provided, which are mechanical, electrical or otherwise is connected to a control device, which in turn has the required suspension element tension determined and this via the tensioning device in the suspension element brings in.
  • the traction sheave elevator is preferably provided with a suspension element tension detection device provided which falls below a predetermined Carrier tension activated a safety device.
  • a suspension element tension detection device provided which falls below a predetermined Carrier tension activated a safety device.
  • Relief of the suspension medium tension arrests the movement of the load conveyor, e.g. through pawls provided in the guidance of the load conveyor or Detents, which are activated as a safety device immediately when the Carrier tension has dropped below a predetermined value.
  • the propellant-exciting device is preferably on the floor of the elevator shaft intended.
  • the traction sheaves of the traction sheave elevator are preferably fixed in the upper one Section or above the upper section, in a dedicated machine room arranged, but can also be at the bottom or below of the elevator shaft can be installed if the spatial conditions request this accordingly.
  • the suspension device exciting device and / or the traction sheaves can also attached to the load conveyor itself, i.e. move with this.
  • the suspension device exciting device and / or the traction sheaves can also attached to the load conveyor itself, i.e. move with this.
  • the individual panes into a suspension element Drive unit can be combined, which as a whole on the load conveyor is attached.
  • the elevator shaft height in such an embodiment be optimally used.
  • the suspension element preferably rotates with the traction sheaves one after the other a wrap angle of 180 °, which is preferably up to 270 °.
  • This high wrap angle ensures that even at heavily loaded load handling equipment ensures starting and braking without the suspension element sliding with respect to the traction sheaves, even at high speeds. Thus a quick response of the Elevator machinery guaranteed.
  • the motor drive of the traction sheaves can also act as a braking device may be used, but it is preferred that for at least one of the traction sheaves a separate braking device is provided to control the movement of the Traction sheave, and thus that driven by the traction sheave and the suspension element Braking the load conveyor, and in particular its position to back up.
  • the tensioning device, the traction sheaves and the suspension means are arranged in a plane, which is next to and / or behind the load conveyor is arranged. So it is neither below nor above the exploitable shaft height space required, so that an even more compact Design of the elevator according to the invention is made possible.
  • Figure 1 shows a longitudinal sectional view of an elevator shaft, in which a preferred traction sheave elevator is arranged according to the invention.
  • Figure 2 shows a view similar to Figure 1, but above the Elevator shaft a machine room is provided, and in the machine room and the elevator shaft an alternative embodiment of the invention Traction sheave elevator is mounted.
  • FIGS. 3A and 3B show cross-sectional views through the one in FIG. 1 and in FIG Figure 2 shown shaft, wherein Figure 3A shows the details of the motor-driven Traction sheaves and Figure 3B shows details of the tensioning device.
  • Figure 4 is a longitudinal sectional view similar to Figure 1, but with an alternative Embodiment of the traction sheave elevator according to the invention mounted is.
  • Figure 5 is another longitudinal sectional view similar to Figure 1 of another preferred embodiment according to the invention, in particular a offset center of gravity is taken into account.
  • Figure 6 shows a particular application of a preferred embodiment of the traction sheave elevator according to the present invention.
  • FIGS. 7A and 7B show a further longitudinal sectional view of an elevator shaft with two further preferred embodiments of the traction sheave elevator mounted in it.
  • Figure 8 shows a further longitudinal sectional view of an elevator shaft with still a further preferred embodiment of the traction sheave elevator therein assembled.
  • FIG. 1 shows an elevator shaft 1 formed from walls 2 without a machine room shown.
  • the shaft 1 is a frame-shaped scaffold construction 3 mounted, which two guide rails 4, several brackets 5 and two cross members 6 and 7.
  • the cross members 6 and 7 are essentially in the upper and lower end of the shaft 1 embedded in the walls 2 or to the Guide rails mounted, and extend substantially over the entire shaft width.
  • Guide rails 4 which are a load conveyor, in the embodiment shown guide an elevator car 12 to move up and down.
  • the elevator car 12 is connected at 16 to one end of a suspension element 15.
  • the suspension element 15 is formed from three steel cables, which at the attachment point at a short distance relative to each other the elevator car are attached.
  • the suspension element 15 is essentially perpendicular to one first traction sheave 8, which is driven by an electric motor 10.
  • the Suspension means 15 wraps around the traction sheave 8 and is continued via a Deflection pulley 13 to a second traction sheave 9 with a second driving Electric motor 11.
  • the Support means 15 guided downwards via a further deflection disk 14.
  • the traction sheaves 8, 9 and the deflection sheaves 13, 14 mounted on the upper cross member 6 via a frame construction.
  • the suspension element 15 runs essentially perpendicular downwards to a clamping device 17.
  • the tensioning device 17 comprises a deflection disk 18, which over a lever mechanism is loaded with a weight 19.
  • the Suspension means 15 is wound around the deflection plate 18, and is with the other end also attached to the elevator car 12.
  • the second end is attached to the elevator car 12 via a trigger spring mechanism 22, which e.g. if one of the Ropes activated a fall arrester, which prevents the elevator car 12 is moved when failure of one of the suspension cables is present.
  • FIG. 2 The embodiment shown in FIG. 2 is generally similar to that in FIG. 1 shown, and the description of the same constituents is used herein for the purpose left out of the shortage.
  • the traction sheaves 8, 9 with the associated motors 10, 11 and Deflection disks 13 and 14 in a located above the elevator shaft Engine room housed.
  • the suspension device 17 via a hydraulic or pneumatic cylinder 20 is pressurized.
  • a hydraulic or pneumatically controlled clamping device can be a load-dependent Rope tension achieved in a simple manner via a control, not shown become.
  • FIGS. 3A and 3B show that the Suspension means 15, the traction sheaves 8, 9 and the tensioning device 17 essentially are mounted next to the elevator car 12 in or on the elevator shaft 1, leaving enough space for the elevator car 12, and not from a falling traction sheave or deflection sheave can be hit.
  • FIGS. 3A and 3B also show that the traction sheaves 8, 9 and the deflection pulley 18 of the tensioning device 17 for guiding several ropes are designed, which together form the suspension element 15.
  • each component of the suspension means taken on a specific basis Rope tension can be brought, whereby the production tolerances at the Production of suspension elements can be plugged coarser.
  • 3A and 3B is an electric motor 11 replaced by a hydraulic motor 11, furthermore for the traction sheave 9 a braking device 30 is provided. Furthermore, the tensioning device here with a weight 19 as well as with a pneumatic or hydraulic clamping cylinder 20 shown.
  • the traction sheaves 8, 9 are mounted lower end of the elevator shaft 1, while at the upper end of the Only another free idler pulley 25 is provided in the elevator shaft is.
  • the deflection disk is used in particular 13 on the one hand to increase the degree of wrap of the traction sheave 8 increase.
  • the deflection disk 18 brings about the cylinder / piston device 20 a corresponding tension in the suspension element 15.
  • the drive deflection and suspension device arrangement also in one Shaft pit below the elevator shaft (not shown).
  • FIG. 5 shows a modified embodiment in which the Suspension means 15 is attached to the elevator car 12 at different locations.
  • One end of the suspension element 15 is essentially in the middle at the upper end of the Elevator car 12 attached.
  • the elevator car will be as in the previous ones Embodiments via a guide rail 4 within the elevator shaft 1 led. Since the elevator car 12 has a door on one side is provided, is the center of gravity of the elevator car 12 with respect to the central axis slightly shifted.
  • the suspension element 15 Starting from the suspension point of the elevator car the suspension element 15 extends perpendicularly upwards to the first Traction sheave 8, wrapped around it with a wrap angle of about 260 °, then following the shape of a question mark the second traction sheave 9, also to be wrapped with a wrap angle of about 260 °, after which the suspension element 15 is guided upwards to a deflection disk 13.
  • the two traction sheaves 8, 9 are driven by the motors 10, 11 in accordance with the View driven in reverse.
  • the suspension element Starting from the deflection disc 13 the suspension element is further vertical via a deflection disk 14 led down to the deflecting tensioning device 17, which is shown in FIG Embodiment comprising a pneumatic cylinder 19 and a deflection disk 18 is formed.
  • the suspension element 15 becomes wider continued to the elevator car 12.
  • the attachment of the second end of the Suspension means 15 takes place via a suspension means tension detection device 22, the end being mounted on the elevator cage such that the displacement of the Center of gravity balanced by the downward force of the suspension element becomes.
  • FIG. 6 shows a special application of a preferred traction sheave elevator shown, which itself used to assemble the elevator scaffold can be.
  • the traction sheave deflection device e.g. by doing Machine room mounted above the elevator shaft.
  • Below is on Bottom of the elevator shaft mounted the tensioning device, after which in simple Way the suspension element is arranged around the individual disks can be finally biased via the tensioning device become.
  • the tensioning device after which in simple Way the suspension element is arranged around the individual disks can be finally biased via the tensioning device become.
  • the guide rails in the Elevator shaft gradually with upward movement of the elevator itself can be designed and constructed.
  • the system can already Construction stage can be used as an assembly elevator, creating a significant Cost reduction can be achieved.
  • the basic framework of the Load conveyor designed in such a way that a device is attached to it can be, with which it is possible, rail sections lying higher to set up the construction progress without the usual, push the necessary assembly platforms. Too high a procedure of the frame, i.e. jumping out of the already installed guide rails to exclude corresponding sensors, not shown, as well a mechanical safety device is provided which detects the lifting movement interrupt immediately as soon as the previously installed rail end is reached.
  • Figures 7A and 7B show two further preferred embodiments, at which the suspension means firmly between the upper and the lower elevator shaft end is clamped.
  • the suspension element 15 at the upper end of the elevator shaft 1, attached in particular to the cross member 6, extends downward from there to a first, motor-driven traction sheave 8, and from this to the second traction sheave 9, the support means 15, the traction sheaves 8, 9 in one essentially wraps around an S-shape, so that each wrap angle of about 250 ° is reached.
  • the traction sheaves are 8, 9 fixed, but of course rotatably connected to the elevator car 12.
  • the suspension element 15 follows vertically below to a tensioning device also mounted on the elevator car 12 17, which in turn consists of a deflection plate, a lever and a hydraulic cylinder 20 is formed. Especially with this configuration load-dependent rope tensioning can be achieved particularly easily.
  • a tension force generating Cylinder 20 provided a suspension element tension detection device 34, which responds if the suspension element fails.
  • the suspension element 15 is further via an additional Deflection pulley 13 out of which the suspension element to the lower frame element 7 is guided, which is at the lower end of the elevator shaft located.
  • FIG 8 finally shows yet another preferred embodiment, at which also has one end of the suspension element at the upper end of the elevator shaft is set.
  • the other end of the suspension element is shown in the Embodiment above a mounted on the bottom of the elevator shaft Housing attached, which holds traction sheaves, tensioning device etc. serves.
  • the traction sheave arrangement and the tensioning device correspond in essential of the embodiment shown in Figure 4.
  • the motor 10 is provided as a hydraulic motor, which via Lines 130 is connected to a valve housing 125.
  • the valve housing is connected to a drive unit 110, which a pump 115 and includes an electric motor 120.
  • valve housing 125 135 There is also a pressure accumulator on the valve housing 125 135 connected, which with appropriate valve switching Hydromotor 10 supplied, or is fed by this.
  • the specialist will recognize that other drive and storage means, such as for example an electric motor used in combination with a battery can be.
  • the Suspension means 15 drive the hydraulic motor 10 under braking, so that it the pressure generated via the lines 130 and the valve housing 125 to the Memory 135 feeds.
  • the data can be stored in the memory 135 stored energy again to the hydraulic motor 10 via the valve housing 125 are supplied to relieve the drive unit 110.
  • a deflection device 104 is on in the embodiment shown the load conveyor provided. It is in the embodiment shown a double counter-rotating pulley or two oppositely provided Deflection rollers, which in the embodiment shown have the same diameter have and are mounted on only one shaft, but this is not mandatory.
  • the suspension element 15 extends from the Attachment point at the top of the elevator shaft down to this Deflection roller 104 is deflected from there upwards to the deflection plate 25 and is continued from there down to the traction sheaves.
  • the suspension element becomes a self-tensioning device 17 led to be continued from there up again to the part of the deflection device 104 provided in the opposite direction, in order to be there to be redirected again to the attachment point at the bottom of the Elevator shaft.
  • the load handling equipment becomes the load-carrying means through the suspension means guide provided in this way 12 suspended indirectly or in the manner of a pulley, so that the weight force on the respective upward running suspension sections each divided in half.
  • the other units such as for example design the traction sheaves and the motor accordingly weaker, with the engine, in particular, that with double throughput or at double speed only half the drive torque is required.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Valve Device For Special Equipments (AREA)
  • Magnetic Record Carriers (AREA)

Claims (15)

  1. Appareil élévateur à poulies motrices sans contrepoids, qui est guidé dans une cage d'appareil élévateur (1), comprenant des moyens de déplacement de charge (12), notamment une cabine d'ascenseur, des moyens porteurs (15) flexibles, notamment câbles, au moins deux poulies motrices (8, 9) entraínées par moteur et montées l'une derrière l'autre par rapport aux moyens porteurs et un dispositif de tension (17) qui applique une tension nécessaire dans les moyens porteurs (15) et est disposé en aval des deux poulies motrices.
  2. Appareil élévateur à poulies motrices suivant la revendication 1, dans lequel le dispositif de tension (17) comprend une poulie de renvoi (18) soumise à l'application d'une force.
  3. Appareil élévateur à poulies motrices suivant la revendication 1 ou 2, dans lequel chacune des extrémités des moyens porteurs (15) est respectivement reliée aux moyens de déplacement de charge (12).
  4. Appareil élévateur à poulies motrices suivant la revendication 1 ou 2, dans lequel respectivement une extrémité des moyens porteurs (15) est fixée au fond de la cage d'appareil élévateur (1) et l'autre à l'extrémité supérieure de celle-ci.
  5. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel il est prévu au moins une autre poulie de renvoi (13, 14, 104), notamment une poulie de mouflage (104) qui est fixée aux moyens de déplacement de charge et à laquelle ces moyens de déplacement de charge sont suspendus, de préférence prévue sous forme d'une poulie de mouflage à roue libre et/ou sous forme d'une poulie de mouflage contrarotative double.
  6. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel chaque poulie motrice (8, 9) est entraínée au moyen d'un moteur (10, 11, 11'), notamment moteur électrique (10, 11) ou moteur hydraulique (11'), qui lui est propre, en servant notamment également de dispositif de freinage, lequel est éventuellement relié à un accumulateur, afin d'accumuler l'énergie de freinage, créée lors de la descente des moyens de déplacement de charge, pour une montée ultérieure.
  7. Appareil élévateur à poulies motrices suivant l'une des revendications 2 à 6, dans lequel la poulie motrice (18) mettant sous tension les moyens porteurs est soumise à l'action d'une force au moyen d'un mécanisme à levier (19) pourvu d'un poids, au moyen d'un dispositif hydraulique (20), au moyen d'un dispositif pneumatique ou au moyen d'un moteur électrique.
  8. Appareil élévateur à poulies motrices suivant l'une des revendications 2 à 6, dans lequel la force s'exerçant sur la poulie de renvoi (18) mettant sous tension les moyens porteurs dépend de la charge des moyens de déplacement de charge (12).
  9. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel il est prévu un dispositif de détection de tension de moyens porteurs (22, 34) qui, lors d'un franchissement vers le bas d'une tension préfixée des moyens porteurs, active un dispositif de sécurité.
  10. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel le dispositif (17) mettant sous tension les moyens porteurs est prévu au fond de la cage d'appareil élévateur (1).
  11. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel les poulies motrices (8, 9) sont montées en un emplacement fixe respectivement soit dans la partie supérieure au-dessus de l'extrémité supérieure de la cage d'appareil élévateur (1), soit dans la partie inférieure au-dessous de l'extrémité inférieure de celle-ci.
  12. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel les poulies motrices (8, 9) et/ou le dispositif (17) mettant sous tension les moyens porteurs sont montés sur les moyens de déplacement de charge (12), c'est-à-dire respectivement sont déplacées ou est déplacé avec les moyens de déplacement de charge (12).
  13. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel l'angle d'enveloppement des moyens porteurs (15) autour de chaque poulie motrice (8, 9) est > 180 ° et notamment vaut jusqu'à 270 °.
  14. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel il est en outre prévu un dispositif de freinage pour au moins l'une des poulies motrices (8, 9).
  15. Appareil élévateur à poulies motrices suivant l'une des revendications précédentes, dans lequel le dispositif de tension (17), les poulies motrices (8, 9) et les moyens porteurs (15) s'étendent dans un plan qui est situé à côté des moyens de déplacement de charge (12) et/ou derrière ceux-ci.
EP97937582A 1996-08-14 1997-08-13 Ascenseur a poulies motrices Expired - Lifetime EP0917518B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19632850A DE19632850C2 (de) 1996-08-14 1996-08-14 Treibscheibenaufzug ohne Gegengewicht
DE19632850 1996-08-14
PCT/EP1997/004424 WO1998006655A1 (fr) 1996-08-14 1997-08-13 Ascenseur a poulies motrices

Publications (2)

Publication Number Publication Date
EP0917518A1 EP0917518A1 (fr) 1999-05-26
EP0917518B1 true EP0917518B1 (fr) 2000-05-17

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Family Applications (1)

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EP97937582A Expired - Lifetime EP0917518B1 (fr) 1996-08-14 1997-08-13 Ascenseur a poulies motrices

Country Status (8)

Country Link
US (1) US6193017B1 (fr)
EP (1) EP0917518B1 (fr)
AT (1) ATE192996T1 (fr)
DE (2) DE19632850C2 (fr)
ES (1) ES2147994T3 (fr)
GR (1) GR3034084T3 (fr)
HK (1) HK1021891A1 (fr)
WO (1) WO1998006655A1 (fr)

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US11738971B2 (en) 2021-06-25 2023-08-29 Otis Elevator Company Elevator governor tension frame damper
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KR101225035B1 (ko) 2008-12-05 2013-01-22 오티스 엘리베이터 컴파니 엘리베이터 기계 지지체에 지지된 제어 전자기기를 포함한 엘리베이터 시스템
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CN107406228A (zh) * 2015-03-18 2017-11-28 因温特奥股份公司 用于电梯设备的张紧装置
US11738971B2 (en) 2021-06-25 2023-08-29 Otis Elevator Company Elevator governor tension frame damper
WO2024017989A1 (fr) * 2022-07-21 2024-01-25 Inventio Ag Dispositif de levage et ascenseur

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WO1998006655A1 (fr) 1998-02-19
ATE192996T1 (de) 2000-06-15
US6193017B1 (en) 2001-02-27
DE19632850A1 (de) 1998-02-19
ES2147994T3 (es) 2000-10-01
DE59701730D1 (de) 2000-06-21
HK1021891A1 (en) 2000-07-14
EP0917518A1 (fr) 1999-05-26
DE19632850C2 (de) 1998-09-10
GR3034084T3 (en) 2000-11-30

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