EP3705443A1 - Installation d'ascenseur à moyen de traction équilibré - Google Patents

Installation d'ascenseur à moyen de traction équilibré Download PDF

Info

Publication number
EP3705443A1
EP3705443A1 EP19160848.8A EP19160848A EP3705443A1 EP 3705443 A1 EP3705443 A1 EP 3705443A1 EP 19160848 A EP19160848 A EP 19160848A EP 3705443 A1 EP3705443 A1 EP 3705443A1
Authority
EP
European Patent Office
Prior art keywords
traction means
elevator
elevator car
counterweights
elastic element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19160848.8A
Other languages
German (de)
English (en)
Inventor
Erich Bütler
Romeo LO JACONO
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Priority to EP19160848.8A priority Critical patent/EP3705443A1/fr
Publication of EP3705443A1 publication Critical patent/EP3705443A1/fr
Withdrawn legal-status Critical Current

Links

Images

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
    • B66B11/008—Roping 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
    • 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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway
    • 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 present invention relates to an elevator installation.
  • Elevator systems are used as transport systems to transport people and / or goods within a building between different height levels.
  • an elevator system has at least one elevator car, which can usually be shifted vertically within an elevator shaft in the building.
  • elevator technology is used in which the weight of the elevator car is carried with the aid of rope-like holding means.
  • one or more counterweights are usually provided in the elevator shaft, which are connected to the elevator car via the e.g. Are connected via pulleys deflected holding means. The elevator car and the counterweight or counterweights thus always move in opposite directions.
  • a drive device is also provided in the elevator system, which can drive rope-like traction means which are connected at their opposite ends to the elevator car on the one hand and to one of the counterweights on the other.
  • the rope-like traction means can be the rope-like holding means, so that they have a double function.
  • the rope-like traction means can also be provided as separate components.
  • the traction means can be displaced, for example, with the aid of a traction disk rotatable by a motor, around the outer circumference of which the traction means run.
  • the applicant for the present patent application is developing elevator systems which can be used in a particularly cost-effective and space-saving manner.
  • the elevator systems are designed as so-called front-bag systems.
  • An elevator system has an elevator car and mostly two counterweights to be moved in opposite directions to the elevator car.
  • the drive device of the elevator system is arranged in a lower area of the elevator shaft, in particular in an elevator shaft pit.
  • the elevator car and the two counterweights are generally held from above with the aid of rope-like holding means.
  • two corresponding rope-like traction means are also provided below the elevator car, which run between the elevator car and one of the counterweights and can be displaced by the drive device. So that the drive device can exert suitable forces on the traction means, these should as a rule be kept under a suitable mechanical pretension.
  • the traction means can also function as compensation weights.
  • Such an elevator system concept can be kept very slim and simple and thus enable low costs with little installation space.
  • the two traction means attached to the elevator car will exert unevenly strong forces on the elevator car.
  • Such unevenly strong forces can occur, for example, if the two traction means are not mechanically prestressed to the same extent.
  • unevenly strong forces can act on the elevator car if the two traction means are not driven uniformly and synchronized with one another by the drive device.
  • manufacturing tolerances in the traction means, deflection pulleys or the like can also lead to unevenly strong forces acting on the elevator car. Due to the unevenly strong acting forces, the elevator car can be exposed to additional torque be.
  • an elevator installation which has an elevator car, two counterweights, a drive device and at least two rope-like traction means.
  • Each of the traction means can be displaced by the drive device.
  • the elevator car and the counterweights can be displaced within an elevator shaft by displacing the traction means.
  • a first end of each of the traction means interacts with one of the counterweights so that it can be subjected to tension
  • an opposite second end of each of the traction means interacts with the elevator car in such a way that it can be subjected to tension.
  • the second ends of both traction means can be displaced relative to one another and are connected to one another via an elastic element.
  • Embodiments of the elevator installation proposed here can on the one hand be constructed in a simple manner and thus manufactured, assembled and maintained inexpensively.
  • the elevator system requires little space so that it can be accommodated in a building to save space.
  • the elevator car, the counterweights and other components of the elevator system such as the drive device, the traction means, holding means, guide rails and the like can be designed in such a way that a base area of the elevator shaft essentially, i. preferably more than 90% or even more than 95%, corresponds to a summed base area of the elevator car and the two counterweights and a height of the elevator shaft essentially, i.e.
  • preferably more than 90% or even more than 95% corresponds to a travel path of the elevator car plus the height of the elevator car.
  • the named other components of the elevator system can be accommodated in a space-saving manner between the elevator car and the counterweights or just above or just below their travel paths in the elevator shaft.
  • one or more counterweights should be provided in an elevator system, the total weight of which corresponds approximately to the dead weight of the elevator car plus approximately half of the planned payload.
  • a counterweight is conventionally necessary for this, which has a relatively large base area and / or a great height, which is usually higher than the height of the elevator car. However, this increases the installation space of the elevator system.
  • each of the counterweights should preferably have a height which corresponds approximately to the height of the elevator car or is less than this.
  • the two counterweights can have the same masses or the same weights.
  • a counterweight can be roughly as heavy as half the weight of the elevator car plus half the planned payload. In this way, the installation space to be reserved for the counterweights can be kept small.
  • Travel paths of the two counterweights can run on opposite sides of the elevator car. In other words, the two counterweights can be moved up and down closely to the left and right of the elevator car. This allows a favorable weight distribution and thus an advantageous distribution of forces within the elevator system to be achieved.
  • the elevator car and the counterweight or counterweights are usually held by the same rope-like means and displaced vertically.
  • Such rope-like suspension traction means STM
  • STM rope-like suspension traction means
  • the elevator car or counterweight attached to the opposite ends of the STM are thus both held by the STM and can be displaced by rotating the traction disc.
  • the drive device has to be installed in a complex manner in the upper area of the elevator shaft and is difficult to reach there even during subsequent maintenance work.
  • the drive device which is typically quite large, requires considerable installation space above the travel path of the elevator car, which increases the overall height of the elevator shaft required.
  • the STM require a high load-bearing capacity, since they not only have to hold the weight of the elevator car and the counterweight, but also have to transmit the acceleration forces caused by the drive device.
  • the functions of holding the elevator car and the counterweight on the one hand and moving these components on the other hand can be implemented with the aid of separate rope-like means.
  • the elevator car and the counterweights can be held from above with the aid of rope-like holding means and displaced from below with the aid of rope-like traction means.
  • the rope-like holding means and the rope-like traction means can be constructed identically or similarly.
  • the holding means and the traction means can have the same load-bearing capacity.
  • the traction means can have a lower load-bearing capacity than the holding means and / or can be constructed in a different way or with different materials.
  • rope-like can be interpreted in this context to the effect that the elongated traction means can be subjected to high tensile loads in their longitudinal direction and at most stretch negligibly, but are bent transversely to their longitudinal direction without problems and with low forces can.
  • the rope-like traction means can be designed as ropes, belts, belts or the like.
  • the rope-like traction means can be designed with highly resilient materials or structures, for example as steel cables or as belts in which highly resilient strands are accommodated, for example, in a plastic matrix.
  • each of the traction means can be composed of several ropes, belts, belts or the like, which together are necessary for moving the elevator car and the counterweights Can transfer forces.
  • a first end of one of the traction means is attached to one of the two counterweights in such a way that it can interact with the latter in a manner that can be subjected to tension.
  • this first end can be fixed directly to the respective counterweight.
  • the traction means can interact in the area at or in the vicinity of its first end, for example with a deflection roller or a spring which is fastened to the counterweight and can transfer a tensile load to the counterweight via this.
  • the area at or near the first end of the traction device is to be interpreted broadly.
  • the area at or in the vicinity of the first end essentially comprises that part of the traction means which is located on the counterweight side of the drive.
  • the area at or near the first end includes the last 2 m of the traction device, which is required to, if necessary, deflect the traction device on a pulley or a similar aid and anchor it securely to an anchoring device.
  • the area at or in the vicinity of the first end comprises the area which is required in order to securely anchor the traction means to an anchoring device.
  • a second end of the respective traction means which is opposite the first end, is then attached to the elevator car in such a way that it can cooperate with it in a load-bearing manner.
  • the second end of the traction means is preferably not connected directly to the elevator car, but acts with it via the Aids connected to the elevator car such as pulleys or deflection levers together.
  • the aids serve to transfer the essentially vertical tensile load from the traction means to the elevator car, but can move, for example, rotating or pivoting relative to the elevator car, so that the traction means interacting with the respective aid can be displaced at least slightly relative to the elevator car .
  • the second end of each of the suspension elements should be able to be displaced relative to the elevator car and yet be able to exert a tensile load on the elevator car, preferably in the vertical direction.
  • the second end comprises not only the end point of the traction means, but an end region of the traction means.
  • this end area comprises the area of the traction means that is required to securely anchor the traction means to an anchoring device and additionally, if necessary, a region of the rope that runs over one or more auxiliary means.
  • the two second ends of the two traction means should therefore be displaceable relative to one another.
  • the two second ends of the traction means should be connected to one another via an elastic element.
  • This elastic element should, on the one hand, be elastically deformable.
  • the elastic element should be able to transmit considerable tensile forces from one of the traction means to the other of the traction means.
  • the elastic element should mechanically connect the two ends of the two traction means to one another in such a way that the forces, in particular the tensile load, are equalized in the two traction means.
  • the amount of this tensile load is defined by the degree of deformation of the elastic element, as a result of which the tensile load on both traction means is essentially the same.
  • the two traction means have a different displacement than the other traction means due to different mechanical pretensions, unsynchronized drive effects, manufacturing tolerances or similar reasons, these different displacements can be compensated at least to a certain extent with the help of a displacement of the elastic element. Due to such a shift in the elastic Element can thus be achieved that the two traction means have essentially the same tensile loads and therefore exert the same tensile forces on the elevator car. In other words, the tensile forces generated by the two traction means can be matched with the aid of the elastic element running between them. Accordingly, it can be avoided that an additional torque would be exerted on the elevator car by tensile forces of different strengths and this would lead to additional mechanical loads on other components such as guide rails, guide shoes or the like.
  • the drive device can be arranged at a lower end of the elevator shaft.
  • the drive device with the aid of which the two rope-like traction means are to be driven and displaced, can be arranged below a travel path of the elevator car and / or the counterweights or at the lower end of such travel paths.
  • the drive device can be arranged in an elevator shaft pit. Since the drive device can have a small height, the elevator shaft pit does not need to have a great height, but can be for example less than 30 cm, preferably even less than 15 cm high. By arranging the drive device at the lower end of the elevator shaft, it can be easily accessible for maintenance purposes, for example. In addition, the usually relatively heavy drive device does not need to be lifted to great heights, for example in the area of an elevator shaft ceiling, when installing the elevator system.
  • the traction means can each be attached with their first end to a lower end of the respective counterweight so that they can be subjected to tension, and their second end can each be attached to the elevator car with a lower area of the elevator cage so as to be resilient to tension.
  • each of the traction means can be attached at or in the area of its first end at the bottom of the counterweight to be displaced by it.
  • the first end can be attached directly to a downwardly directed surface of the counterweight or can interact with the counterweight via aids such as pulleys, springs or the like in order to act on the counterweight to be able to transmit downward tensile forces.
  • the traction means can furthermore be attached at or in the region of its second end to a lower end of the elevator car in such a way that it can transmit downward tensile forces to the elevator car.
  • the traction means can run from its two ends downwards, for example, to a drive device located in the elevator shaft pit. This can result in a particularly efficient or space-saving arrangement of the traction means.
  • the two traction means can be attached to the elevator car at positions laterally spaced apart from one another so as to be capable of being subjected to tension.
  • the two traction means cannot interact with the elevator car at a common position, but rather the tensile forces caused by them are transmitted to the elevator car at positions that are horizontally spaced from one another.
  • the two traction means can, for example, be connected to the elevator car at positions which are at least 0.5 m, preferably at least 1 m, laterally spaced from one another. So that no additional torques are produced on the elevator car in such a configuration, the traction means should exert essentially equally strong tensile forces on the elevator car. In the elevator system proposed here, this is ensured by the fact that the two traction means can shift relative to one another in such a way that the tensile loads of both traction means are equal to the force defined by the connecting elastic element and the transmitted forces are thus matched.
  • the two traction means can be attached to opposing edges of the elevator car so that they can be subjected to tension.
  • the two traction means can, for example, be arranged and coupled to the elevator car in such a way that they run roughly flush with the side walls of the elevator car and the tensile forces transmitted by them are applied to one of the edges of the elevator car, for example to a support structure attached to the bottom of the car Transfer elevator car.
  • the traction means can be accommodated in the elevator system in a particularly space-saving manner become.
  • the tensile forces can be transmitted particularly efficiently to the elevator car.
  • two deflection elements each rotatable about an axis of rotation, can be attached to the elevator car and the deflection elements can be configured and interact with the traction means in such a way that a force caused by one of the traction means and acting in a non-horizontal direction is deflected and then onto the elastic Element works.
  • a deflection element can be provided on the elevator car for each of the traction means, on which the respective traction means can act or with which the traction means can interact.
  • the deflection element should be rotatable about an axis of rotation. The axis of rotation should be radially spaced from the position at which the traction means engages the deflecting element.
  • a tensile force exerted by the traction means in a first direction can thus be deflected in such a way that it acts in a second direction.
  • the tensile force exerted by a non-horizontal, preferably vertical traction means can be deflected via the associated deflection element so that it then acts in another direction, in particular a horizontal direction.
  • the deflection element can be a deflection, i. cause an angle between the first and the second direction of preferably 90 ° ⁇ 5 °, but it can also be designed for smaller or larger deflections, for example in a range of 10 ° to 170 °.
  • the forces caused by the traction means can thus be deflected in such a way that they can advantageously act on an elastic element running between the traction means.
  • two deflecting elements each rotatable about an axis of rotation, can be attached to the elevator car and the deflecting elements can be configured and interact with the traction means in such a way that a force caused by one of the traction means and acting in a non-horizontal direction acts in a horizontal direction Force is diverted.
  • the elastic element can be aligned in the horizontal direction and attack one of the deflected forces in the horizontal direction at one of opposite ends of the elastic element.
  • the traction means can advantageously run in a non-horizontal direction, in particular vertically, and thus also introduce the tensile forces they cause in this direction of extension onto the respective associated deflecting element.
  • the tensile forces produced by the two traction means can then be deflected in such a way that they can act in the horizontal direction on an elastic element running between the deflection elements.
  • the elastic element can extend in the horizontal direction.
  • the elastic element can extend parallel to the floor of the elevator car.
  • the traction means can transmit the forces to be balanced between the two traction means via the deflection elements in an efficient manner and / or in a very space-saving manner.
  • the deflecting elements can be designed in various ways.
  • a deflection element can be designed as a roller or disk rotatable about an axis of rotation.
  • the roller or disk can have a circular cross section.
  • the axis of rotation can be arranged centrally in the roller or disk.
  • the associated traction means can run over an outer circumference or parts of such an outer circumference of such a roller or disk.
  • the traction means coming from a first direction can be deflected in a second direction and thereby deflect at least part of its tensile forces in the second direction.
  • the elastic element can interact with the respective second ends of the two traction means deflected by the deflecting elements or be fixed between them.
  • the deflection elements can also be designed as levers.
  • a lever can have a first lever arm extending in a first direction and a have a second lever arm extending in a different second direction.
  • the two lever arms can preferably be arranged at right angles to one another.
  • the axis of rotation of the lever can be located between the two lever arms.
  • the associated traction means can then act on the first lever arm, for example.
  • the tensile forces transmitted by the traction means can be passed on to the second lever arm and, due to its different orientation, be deflected in a second direction.
  • the elastic element for example, can then act on the second lever arm or interact with it.
  • the elastic element can be a spring, in particular a spiral spring.
  • the elastic element can be designed as a mechanically deflectable spring.
  • a spring can change its length in its direction of extension by applying tensile forces.
  • a change in length is preferably proportional to the applied tensile forces.
  • a spring constant of the spring can be selected such that the tensile forces to be balanced between the two traction means can be efficiently transmitted via the spring or can be compensated for by changing the length of the spring.
  • the spring constant of the spring should be sufficiently large so that the tensile forces to be transmitted do not lead to an excessive change in length of the spring and thus not to a plastic deformation of the spring.
  • a spiral spring can be used as the elastic element.
  • Such a spiral spring achieves its spring property mainly due to its geometry.
  • materials such as metals, in particular steel, can also be used for such a spiral spring, which themselves can only be elastically deformed to a relatively small extent.
  • springs, in particular spiral springs are to be provided relatively inexpensively and / or to be provided in the elevator system in a space-saving manner.
  • one of the counterweights and one side of the elevator car can be guided on a common guide rail.
  • a guide rail can be provided on opposite sides of the elevator car, for example.
  • the elevator car can be supported on the two guide rails, for example with guide elements such as guide shoes, during its vertical movement along the elevator shaft.
  • the elevator car is guided here on two opposite sides and can thus be efficiently prevented from swinging in a lateral direction, for example.
  • the counterweights can also be guided on the same guide rails.
  • the guide rails and the guide elements to be provided on the elevator car and the counterweights can be designed in such a way that they interact with one another and guide the elevator car on the guide rail on one side and guide the counterweight opposite the elevator car on the guide rail on the other.
  • the drive device can have two drive motors, each of the drive motors being able to be configured to displace one of the traction means.
  • the drive device can not only have just one drive motor, but preferably two separate drive motors.
  • the drive motors can be controlled or supplied with power separately from one another.
  • Each of the drive motors can drive one of the traction means.
  • a first drive motor can move the associated traction means in a first direction
  • the second drive motor can move its associated traction means in another, second direction.
  • the two directions can be opposite.
  • both drive motors can each drive a traction sheave, over the circumference of which the respectively associated traction means runs. Since the drive motors drive their respective traction sheaves to rotate in opposite directions, the two traction means can move in opposite directions Directions are drawn.
  • the drive motors can be electric motors. An operation of the drive motors can be controlled by an electrical controller.
  • the drive motors can be operated synchronized with one another. By providing two drive motors instead of just a single drive motor, each individual drive motor can be made smaller. With a skilful arrangement of the drive motors within the elevator system, a space requirement for the drive device can be reduced.
  • one of the drive motors can be arranged under each of the guide rails. This allows a particularly space-saving elevator system to be created.
  • Fig. 1 shows an elevator installation 1 according to an embodiment of the present invention.
  • the elevator installation 1 comprises as essential components two counterweights 3 and an elevator car 5 (for the sake of clarity, only the frame 7 is shown, which holds the elevator car 5 in the manner of a front sack) and two guide rails 9.
  • the guide rails 9 extend vertically along one Elevator shaft 11 between a shaft ceiling 17 and a shaft floor 21 in the region of a shaft pit 19 and are anchored with horizontally extending struts 13 on an elevator shaft wall 15 of the elevator shaft 11.
  • Each of the two counterweights 3 is held on only one of the guide rails 9 and is guided by them vertically through the elevator shaft 11 during a displacement movement.
  • a number of counterweights 3 and a number of guide rails 9 are thus the same in the elevator installation 1 presented.
  • the elevator car 5 is accommodated in an area between the two guide rails 9 and is held and guided by both guide rails 9.
  • the elevator car 5 and the counterweights 3 are held from above with rope-like holding means and displaced from below via rope-like traction means (for reasons of clarity in Fig. 1 not shown).
  • a drive device 23 arranged in the shaft pit 19 moves the traction means.
  • Fig. 2 shown very schematically.
  • the elevator car 5 is accommodated centrally between the two counterweights 3. On its opposite sides, the elevator car 5 interacts with one of the guide rails 9 via guide shoes 41 and is thus laterally guided through the elevator shaft 11 during its vertical movement. Each of the counterweights 3 also interacts with one of these guide rails 9 via guide shoes 41, so that the counterweights 3 are also guided in their vertical movement.
  • the weight of the elevator car 5 and the counterweights 3 is held from above by rope-like holding means 25.
  • the holding means 25 are guided over pulleys 43 which are rotatably fastened to the shaft ceiling 17.
  • the holding means 25 are thus passive, i.e. they are not used to drive the elevator car 5 or the counterweights 3.
  • a rope-like traction means 27 with a first end 45 is attached to one of the counterweights 3 and cooperates with the elevator car 5 with a second end 47 that can be subjected to tension.
  • Each of the two traction means 27 is guided downwards to a drive motor 29, which is part of the drive device 23, and runs around an outer circumference of a traction disc 31 driven by the respective drive motor 29 around the elevator car 5 and the counterweights 3 in the elevator shaft 11
  • the traction disks 31 can be rotated in opposite directions of rotation 59.
  • Each of the two drive motors 29 is arranged vertically below one of the guide rails 9.
  • each traction means 27 between the underside of the counterweight 3 on the one hand and the underside of the elevator car 5 on the other hand can each run essentially vertically towards the traction sheave 31. This enables a space-saving structure and efficient power transmission.
  • Each of the traction means 27 interacts with the elevator car 5 in such a way that it is deflected in the area of its second end 47 via a deflection element 35, for example in the form of a deflecting roller 33 rotatably attached to a lower area of the elevator car 5.
  • the traction means 27 can extend essentially vertically between the traction disk 31 and the deflecting roller 33 and then be deflected by the deflecting roller 33 through approximately 90 ° in a horizontal direction.
  • the two deflection rollers 33 are attached to the elevator car 5 in the area of opposite edges of the elevator car 5 and are thus laterally, i.e. in the horizontal direction, spaced from each other.
  • the lateral distance between the deflection elements 35 thus corresponds approximately to the width of the elevator car 5.
  • the second ends 47 of the traction means 27 are, however, not permanently connected to the elevator car 5. Instead, the traction means 27 cause the Elevator car 5 to be achieved, vertically downward tensile force indirectly via the deflecting element 35.
  • the deflecting element 35 can rotate about an axis of rotation 49. In the event of a rotary movement of one of the deflection elements 35, the second end 47 of the traction means 27 running over this deflection element 35 can thus shift relative to the second end 47 of the other traction means 27.
  • a mechanical preload on the two traction means 27 is brought about by an elastic element 37.
  • the elastic element 37 is designed as a spiral spring 39 and extends horizontally below the elevator car 5.
  • the two second ends 47 of both traction means 27 are connected to the elastic element 37 at opposite ends.
  • the elastic element 37 When the elevator installation 1 is installed, the elastic element 37 is installed in such a way that it effects the mechanical pretensioning on both traction means 27. Since both traction means 27 jointly act on the elastic element 37 at opposite ends thereof, the elastic element 37 can be used to cause the same forces to act on the two relatively movable second ends 47 of the two traction means 27. The tensile forces acting on the elevator car 5 and the two counterweights 3 can thus be adjusted. Additional torques acting on the elevator car 5 can be reliably prevented in this way.
  • the elastic element 37 interacting with the two traction means 27 can thus bring about an adjusted, that is to say essentially the same, mechanical pretension on the two traction means 27. Additional torques caused on the elevator car 5 due to traction means 27 pulling at different strengths can be avoided in this way. The two traction devices are therefore balanced.
  • Fig. 3 an alternative of a deflection element 33 is shown.
  • the deflecting element 35 is designed as a roller 51 with a partially circular cross section, which can pivot about an axis of rotation 49 and the traction means 27 can run over its partially circular outer surface and is deflected in the process.
  • a further alternative of a deflecting element 35 is shown.
  • the deflecting element 35 is designed as a lever 53 with two lever arms 55, 57 arranged at right angles to one another.
  • the second end 47 of the traction means 27 acts on a horizontally arranged lever arm 55 and transfers the tensile force caused by it to the lever 53 via this.
  • the lever 53 can rotate about an axis of rotation 49.
  • the elastic element 37 cooperates with the other, vertically arranged lever arm 57. The prestress caused by the elastic element 37 can thus be deflected onto the traction means 27 via the lever 53.

Landscapes

  • 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)
EP19160848.8A 2019-03-05 2019-03-05 Installation d'ascenseur à moyen de traction équilibré Withdrawn EP3705443A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19160848.8A EP3705443A1 (fr) 2019-03-05 2019-03-05 Installation d'ascenseur à moyen de traction équilibré

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19160848.8A EP3705443A1 (fr) 2019-03-05 2019-03-05 Installation d'ascenseur à moyen de traction équilibré

Publications (1)

Publication Number Publication Date
EP3705443A1 true EP3705443A1 (fr) 2020-09-09

Family

ID=65717805

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19160848.8A Withdrawn EP3705443A1 (fr) 2019-03-05 2019-03-05 Installation d'ascenseur à moyen de traction équilibré

Country Status (1)

Country Link
EP (1) EP3705443A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024140571A1 (fr) * 2022-12-30 2024-07-04 奥动新能源汽车科技有限公司 Dispositif de transfert de batterie et chambre de charge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07237852A (ja) * 1994-02-15 1995-09-12 Otis Elevator Co 巻胴式ホームエレベーター
WO2004026749A1 (fr) * 2002-09-19 2004-04-01 Mitsubishi Denki Kabushiki Kaisha Equipement d'ascenseur
EP1700811A1 (fr) * 2005-03-12 2006-09-13 ThyssenKrupp Aufzugswerke GmbH Ascenseur
WO2012156583A1 (fr) 2011-05-18 2012-11-22 Kone Corporation Agencement d'ascenseur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07237852A (ja) * 1994-02-15 1995-09-12 Otis Elevator Co 巻胴式ホームエレベーター
WO2004026749A1 (fr) * 2002-09-19 2004-04-01 Mitsubishi Denki Kabushiki Kaisha Equipement d'ascenseur
EP1700811A1 (fr) * 2005-03-12 2006-09-13 ThyssenKrupp Aufzugswerke GmbH Ascenseur
WO2012156583A1 (fr) 2011-05-18 2012-11-22 Kone Corporation Agencement d'ascenseur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024140571A1 (fr) * 2022-12-30 2024-07-04 奥动新能源汽车科技有限公司 Dispositif de transfert de batterie et chambre de charge

Similar Documents

Publication Publication Date Title
EP1547960B1 (fr) Ascenseur avec cables du type courroie
EP1621509B1 (fr) Positionnement de machine d'entraînement d'ascenseur
EP2632839B1 (fr) Installation d'ascenseur
EP3807205B1 (fr) Procédé de construction d'une installation d'ascenseur
EP3681835B1 (fr) Système élévateur
DE29924747U1 (de) Aufzugsystem mit Antriebsmotor zwischen Aufzugfahrkorb und Aufzugschacht-Seitenwand
EP2082983B1 (fr) Installation d'ascenseur
EP3052422B1 (fr) Système d'ascenseur
EP2928805B1 (fr) Ascenseur à biplan avec distance intercabine réglable
EP1935829A1 (fr) Ascenseur avec deux cabines dans une gaine
EP2512968B1 (fr) Installation d'ascenseur à double cabine
EP3705443A1 (fr) Installation d'ascenseur à moyen de traction équilibré
EP3931141B1 (fr) Système d'ascenseur
EP3080029B1 (fr) Installation d'ascenseur
AT9838U1 (de) Liftsystem und aufzug ohne maschinenraum
WO2020164965A1 (fr) Système d'ascenseur
EP3924285B1 (fr) Système d'ascenseur
EP4344430B1 (fr) Système d'ascenseur sans salle des machines
EP4157774B1 (fr) Dispositif de levage de charges
EP3124423A1 (fr) Dispositif de suspension de support dote d'un dispositif a bascule a deux niveaux ayant des bras de retenus inferieurs longs pour un ascenseur
EP3124424A1 (fr) Dispositif de suspension de support dote d'un dispositif a bascule presentant des poulies de renvoi pour un ascenseur
EP1673301B1 (fr) Systeme d'entrainement concu pour des salles de machinerie etroites
DE102023000227A1 (de) Maschinenraumloses Aufzugssystem mit Antrieb an der Aufzugskabine
DE10348151A1 (de) Antriebssystem für enge Triebwerksräume
DE20320076U1 (de) Antriebssystem für enge Triebwerksräume

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20200924