WO2017010927A1 - Système d'ascenseur et procédé permettant de faire fonctionner un système d'ascenseur - Google Patents

Système d'ascenseur et procédé permettant de faire fonctionner un système d'ascenseur Download PDF

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Publication number
WO2017010927A1
WO2017010927A1 PCT/SE2016/050640 SE2016050640W WO2017010927A1 WO 2017010927 A1 WO2017010927 A1 WO 2017010927A1 SE 2016050640 W SE2016050640 W SE 2016050640W WO 2017010927 A1 WO2017010927 A1 WO 2017010927A1
Authority
WO
WIPO (PCT)
Prior art keywords
driving
elongated member
track
carriages
elevator system
Prior art date
Application number
PCT/SE2016/050640
Other languages
English (en)
Inventor
Fritz KING
Original Assignee
Articulated Funiculator Ab
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 Articulated Funiculator Ab filed Critical Articulated Funiculator Ab
Publication of WO2017010927A1 publication Critical patent/WO2017010927A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/10—Kinds or types of lifts in, or associated with, buildings or other structures paternoster type

Definitions

  • the present disclosure generally relates to a driving system for an elevator system.
  • a driving system for driving carriages along a continuous track in an elevator system an elevator system and a method of operating an elevator system are provided.
  • the Articulated Funiculator (R) is a new concept of vertical transportation which is described in WO 2013159800 A1. With this concept, two stations in a vertical building or in an underground shaft may be separated by a large distance of, for example, 100 meters.
  • Some prior art elevator systems employ a continuous cable to drive a passenger or load carriage along a travel path.
  • the cable may be looped around an upper and a lower powered driving wheel.
  • a plurality of carriages are driven with the same cable and travel along a common travel path.
  • the passenger or load transporting efficiency of such elevator systems is poor due to its frequent stopping to load and unload carriages.
  • ropeless elevator systems are associated with several disadvantages. For example, they require a rather
  • one object of the present disclosure is to provide a driving system for an elevator system, an elevator system and a method of controlling the elevator system that are simple and provide a high transportation capacity.
  • a driving system for driving at least two carriages along a continuous track in an elevator system comprising a first continuous elongated member forming a first driving path for driving at least one first carriage attached to the first elongated member along the track; and a second continuous elongated member forming a second driving path for driving at least one second carriage attached to the second elongated member along the track, independently of the first carriage.
  • the carriages may be passenger carriages and/or load carriages.
  • the carriages may be constituted by pods.
  • Each of the elongated members may drive one or more carriages.
  • the carriages may be driven collectively as trains.
  • One or several such trains may be driven by each of the elongated members.
  • the carriages may be permanently attached to the respective elongated member. Any suitable manner of attachment between the carriages and the elongated member may be employed.
  • Each carriage may be provided with an interior structure movable within an exterior structure in order to maintain the interior structure in a horizontal orientation.
  • the interior structure may rotate with respect to the exterior structure about a pitch axis to maintain
  • the interior structure may be configured to yaw with respect to the exterior structure of the carriage. All carriages may share the same track.
  • the first and second continuous elongated member may be constituted by any suitable combination of cables, wires, ropes etc.
  • the elongated members may each be constituted by a single cable or by a plurality of parallel cables.
  • the elongated members may extend along the entire track. In case one or both of the elongated members comprise a plurality of parallel cables, these cables may be interconnected, for example by means of plate members. Since the driving system comprises two independently driven continuous elongated members each forming a driving path, the driving system comprises at least two independent driving loops.
  • the driving paths may be substantially parallel with each other and offset with respect to each other in a lateral direction of the track.
  • a lateral direction of the track is a direction perpendicular to the travel direction of the track and perpendicular to a direction between a portion of the track and a carriage when the carriage is positioned on this portion of the track.
  • each of the first and second driving paths may be substantially aligned with the track.
  • one or both of the driving paths may deviate slightly from the track at one or more portions of the track.
  • the first and second driving paths may adopt various types of shapes.
  • each of the first and second driving paths may form a single loop, such as a single vertically elongated loop.
  • Each of the first and second driving paths may also comprise two or more loops.
  • both the first and second driving paths may adopt an "8-shape" comprising two loops.
  • the driving paths may be arranged adjacent to the track, the track may have a layout substantially conforming to the layout of the driving paths, for example a layout of an "8-shape".
  • supporting wheels or driving wheels
  • a station for passengers may be arranged adjacent to each such crossing region.
  • one or more stations may also, or alternatively, be provided at any vertical or inclined portions of the track.
  • the driving system may further comprise a first driving mechanism for driving the first elongated member and a second driving mechanism for driving the second elongated member, independently of the first elongated member.
  • Each of the first driving mechanism and the second driving mechanism may comprise at least one driving wheel for driving the first driving mechanism and the second driving mechanism, respectively.
  • each of the first driving mechanism and the second driving mechanism comprises two driving wheels for driving the first driving mechanism and the second driving mechanism, respectively.
  • the two driving wheels for driving the first driving mechanism and the second driving mechanism may be constituted by an upper and a lower driving wheel, e.g. at a vertically uppermost region and a vertically lowermost region of the respective first and second continuous elongated members.
  • a contact surface between one of the driving wheels and one of the first continuous elongated member and the second continuous elongated member may have an angular extension of approximately 180°.
  • the driving wheels may be the only sources of propulsion of the first and second continuous elongated members.
  • Each of the first and second driving mechanisms may thus comprise two wheels.
  • at least one wheel may be powered to drive the respective elongated member.
  • the driving force may for example be transferred from the driving mechanism to the elongated member by friction.
  • the driving system thus constitutes a propulsion system or elevator drive for driving two elongated members each with one or more carriages attached thereto in an elevator system.
  • both driving mechanisms comprise two wheels.
  • Two upper wheels of the driving mechanisms and two lower wheels of the driving mechanism may be rotationally supported on a common upper rotational axis and a common lower rotational axis, respectively.
  • the two upper wheels may be positioned adjacent to an upper region of the track and the two lower wheels may be positioned adjacent to a lower region of the track.
  • the upper and lower regions of the track may or may not be within the same loop formed by the driving paths.
  • the driving system may also utilize any combination of intermediate driving mechanisms, in addition to the driving wheels, for driving the first and second elongated members.
  • any combination of paddle members, clamping members and linear motors may be used for the intermediate driving mechanisms.
  • These engaging mechanisms may also be employed in the first and/or the second driving mechanism.
  • the driving system may further comprise at least one further continuous elongated member forming at least one further driving path for driving at least one further carriage along the track, independently of the first and second carriages.
  • a third continuous elongated member forming a third driving path for driving at least one third carriage along the track, independently of the first and second carriages may be provided.
  • the at least one further driving path and the at least one further carriage may have a corresponding configuration as the second driving path and the at least one second carriage.
  • an elevator system comprising at least two carriages, a continuous track and a driving system, each according to the present disclosure.
  • first carriages and the second carriages may be alternatingly arranged along the track.
  • the track may include one or several rails for supporting the movement of the carriages.
  • the track comprises two rails.
  • Each carriage may comprise suitable wheel assemblies such that the carriage can roll on the rails.
  • the track may include any combination of straight, curved, twisted and/or helical sections.
  • the driving paths may be provided laterally between the rails. In case two rails are used, the driving paths may be positioned within a separating distance between the rails.
  • the driving paths may be provided laterally between the rails within this separating distance, the driving paths may be arranged slightly offset (e.g. "behind” or “above") with respect to the rails.
  • An offset direction in this regard is referred to as a direction perpendicular to the travel direction of the rails and perpendicular to the direction between the rails.
  • a method of operating an elevator system comprising driving a first continuous elongated member such that at least one first carriage attached to the first elongated member is driven along a continuous track; and driving a second continuous elongated member independently of the first elongated member such that at least one second carriage attached to the second elongated member is driven along the track.
  • the first and second carriages are thereby driven independently along the track.
  • the first elongated member and the second elongated member may be driven in an alternating manner.
  • the first carriages may be moved along the track by driving the first elongated member while the second elongated member and the second carriages are stationary.
  • the first carriages may be moved along the track at the same time as the second carriages are loaded unloaded (e.g. with passengers).
  • the first carriages arrive to a station (one or several carriages may stop at one or several stations
  • the second carriages may begin to move.
  • the first carriages that has been loaded may begin to move away from the respective station slightly before the second carriages arrive at the respective station (and vice versa).
  • the first elongated member and the second elongated member may be driven in an alternating and overlapping manner.
  • at least one of the elongated members is always driven.
  • each of the first and second elongated members may be constantly driven, but at two different speeds. For example, a high speed may be used to drive carriages between stations (e.g. vertically) and a low speed may be used to drive carriages at the stations (e.g.
  • each station may comprise a first position and a second position, where the second position is "downstream" of (e.g. horizontally separated from) the first position along the track.
  • a first carriage may be driven between the first position and the second position at a station at low speed, while at the same time, a second carriage is driven between the second position of one station and a first position of another station at high speed.
  • the elevator system may be provided in an elevator shaft within a building and/or be provided at the exterior of the building.
  • the elevator system may also be provided in an underground shaft to serve one or more underground stations.
  • Driving system for driving at least two carriages along a continuous track in an elevator system, the driving system comprising:
  • each of the first and second driving paths comprises two or more loops.
  • the driving system further comprises a first driving mechanism for driving the first elongated member and a second driving mechanism for driving the second elongated member, independently of the first elongated member.
  • the driving system according to any of the preceding items, further comprising at least one further continuous elongated member forming at least one further driving path for driving at least one further carriage along the track, independently of the first and second carriages.
  • Elevator system comprising at least two carriages, a continuous track and a driving system according to any of the preceding items.
  • Method of operating an elevator system comprises:
  • Fig. 1 shows a schematic representation of an elevator system
  • Fig. 2 shows a schematic representation of the driving system and the track in Fig. 1. Detailed Description
  • Fig. 1 shows a schematic representation of an elevator system 10.
  • the elevator system 10 comprises a continuous track 12 and a plurality of carriages 14, 16 on the track 12.
  • the track 12 has a shape of a single vertically elongated loop.
  • the elevator system 10 also comprises a driving system 18 for driving the carriages 14, 16 along the track 12.
  • the carriages 14, 16 are passenger carriages in the form of pods.
  • Each carriage 14, 16 comprises an interior structure rotationally coupled to an exterior structure such that the interior structure can pitch in order to maintain passengers within the carriages 14, 16 standing or sitting erect.
  • Fig. 2 shows a schematic representation of the driving system 18 and the track 12 in Fig. 1. The carriages 14, 16 are omitted in Fig. 2 to improve the visibility of the driving system 18.
  • the track 12 comprises two substantially parallel rails 20. Accordingly, each carriage 14, 16 comprises suitable wheel assemblies such that the carriages 14, 16 can roll on the rails 20. In this implementation, each carriage 14, 16 comprises four wheel assemblies where two wheel assemblies engage each rail 20. Each wheel assembly in turn comprises six wheels where two wheels engage the upper, lower and laterally outer sides of the rail 20. A lateral direction of the track 12 is a direction parallel with the separating direction between the rails 20.
  • the driving system 18 further comprises a first continuous elongated member 22 and a second continuous elongated member 24.
  • Each elongated member 22, 24 is constituted by a cable and extends along the entire track 12.
  • the first elongated member 22 and the second elongated member 24 form two parallel driving paths.
  • the driving paths are offset with respect to each other in a lateral direction of the track 12.
  • each of the first and second driving paths also adopts the shape of a single elongated loop and is substantially aligned with the track 12.
  • the two driving paths are positioned laterally between the rails 20, i.e. within a separating distance between the rails 20.
  • Two first carriages 14 are attached to the first elongated member 22 and two second carriages 16 are attached to the second elongated member 24.
  • the first and second elongated members 22, 24 are thereby configured to drive the two first carriages 14 and the two second carriages 16, respectively, along the track 12. Since the first and second elongated members 22, 24 are separated from each other, the two first carriages 14 and the two second carriages 16 are driven independently of each other along the track 12. Naturally, in this embodiment, there is a restriction in this independency since the carriages 14, 16 share the same track 12 and collisions between the carriages 14, 16 should be avoided.
  • the driving system 18 further comprises a first and second driving mechanism, each in the form of two driving wheels 26, 28, for driving the first and second elongated member 22, 24, respectively.
  • the two upper driving wheels 26, 28 are provided on a common upper rotational axis 30 and two lower driving wheels 26, 28 are provided on a common lower rotational axis 32.
  • the two upper driving wheels 26, 28 are positioned adjacent to an upper region of the track 12 and the two lower driving wheels 26, 28 are positioned adjacent to a lower region of the track 12.
  • Two driving wheels 26, 28 and two supporting wheels 26, 28 may alternatively be used.
  • the first elongated member 22 is laid around the upper and lower driving wheels 26 and the second elongated member 24 is laid around the upper and lower driving wheels 28.
  • the elongated members 22, 24 are tensioned around the respective driving wheels 26, 28 for being frictionally driven by the wheels 26, 28.
  • the control of the independent drive of the driving mechanisms 26, 28 may be implemented in any suitable manner.
  • an electronic control unit with signals from one or more positional sensors, indicating one or more positions of the carriages 14, 16 along the track 12, may be used.
  • the first carriages 14 and the second carriages 16 are alternatingly arranged on the track 12.
  • the two first carriages 14 have stopped at an upper station and a lower station, respectively, for allowing passengers to leave and enter the first carriages 14.
  • the first driving mechanism 26 is in a stopped state such that the first elongated member 22 is still.
  • the two second carriages 16 move along the track 12 along a travel path indicated by the arrows 34.
  • the second carriage 16 on the left hand side in Fig. 1 moves downwards and the second carriage 16 on the right hand side in Fig. 1 moves upwards due to the driving state of the second driving mechanism 28 and the consequential drive of the second elongated member 24.
  • the first and second elongated members 22, 24 are used to independently drive the first carriages 14 and the second carriages 16, respectively, along the track 12, the first carriages 14 can travel between stations at the same time as the second carriages 16 are loaded and unloaded (and vice versa). This control enables an empty carriage 14, 16 to arrive at a station immediately, or within a very short time, after a previous carriage 14, 16 has left the station.
  • the driving system 18 provides a high passenger and load transporting efficiency.

Abstract

La présente invention concerne un système d'entrainement (18) pour entraîner au moins deux cabines (14, 16) sur une voie continue (12) dans un système d'ascenseur (10), le système d'entraînement (18) comprenant un premier élément allongé continu (22) formant un premier chemin d'entraînement pour entraîner au moins la première cabine (14) attachée au premier élément allongé (22) sur la voie (12); et un second élément allongé continu (24) formant un second chemin pour entraîner au moins la seconde cabine (16) attachée au premier élément allongé (24) sur la voie (12), indépendamment de la première cabine (14).
PCT/SE2016/050640 2015-07-10 2016-06-28 Système d'ascenseur et procédé permettant de faire fonctionner un système d'ascenseur WO2017010927A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1551011-8 2015-07-10
SE1551011A SE1551011A1 (en) 2015-07-10 2015-07-10 Elevator driving system

Publications (1)

Publication Number Publication Date
WO2017010927A1 true WO2017010927A1 (fr) 2017-01-19

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PCT/SE2016/050640 WO2017010927A1 (fr) 2015-07-10 2016-06-28 Système d'ascenseur et procédé permettant de faire fonctionner un système d'ascenseur

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SE (1) SE1551011A1 (fr)
WO (1) WO2017010927A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018229290A1 (fr) 2017-06-16 2018-12-20 Fritz King Ab Cadre structural pour un immeuble incliné

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004654A (en) * 1971-07-07 1977-01-25 Trebron Holdings Limited Elevator structure supporting apparatus
JPH0859139A (ja) * 1994-08-26 1996-03-05 Hitachi Ltd エレベータ
JP2007238331A (ja) * 2007-04-09 2007-09-20 Mitsubishi Electric Corp エレベータ装置
US20090308326A1 (en) * 2006-09-01 2009-12-17 Heiko Zimmermann High-Pressure Device And Method For The Production And Operation Thereof
WO2013159800A1 (fr) * 2012-04-26 2013-10-31 King Fritz Funiculaire articulé

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004654A (en) * 1971-07-07 1977-01-25 Trebron Holdings Limited Elevator structure supporting apparatus
JPH0859139A (ja) * 1994-08-26 1996-03-05 Hitachi Ltd エレベータ
US20090308326A1 (en) * 2006-09-01 2009-12-17 Heiko Zimmermann High-Pressure Device And Method For The Production And Operation Thereof
JP2007238331A (ja) * 2007-04-09 2007-09-20 Mitsubishi Electric Corp エレベータ装置
WO2013159800A1 (fr) * 2012-04-26 2013-10-31 King Fritz Funiculaire articulé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018229290A1 (fr) 2017-06-16 2018-12-20 Fritz King Ab Cadre structural pour un immeuble incliné

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Publication number Publication date
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