WO2007143871A2 - Installation d'ascenseur - Google Patents

Installation d'ascenseur Download PDF

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Publication number
WO2007143871A2
WO2007143871A2 PCT/CH2007/000288 CH2007000288W WO2007143871A2 WO 2007143871 A2 WO2007143871 A2 WO 2007143871A2 CH 2007000288 W CH2007000288 W CH 2007000288W WO 2007143871 A2 WO2007143871 A2 WO 2007143871A2
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
elevator
drive motor
counterweight
elevator installation
Prior art date
Application number
PCT/CH2007/000288
Other languages
German (de)
English (en)
Other versions
WO2007143871B1 (fr
WO2007143871A3 (fr
Inventor
Ernst Ach
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
Publication of WO2007143871A2 publication Critical patent/WO2007143871A2/fr
Publication of WO2007143871A3 publication Critical patent/WO2007143871A3/fr
Publication of WO2007143871B1 publication Critical patent/WO2007143871B1/fr

Links

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
    • B66B11/0035—Arrangement of driving gear, e.g. location or support
    • B66B11/0045—Arrangement of driving gear, e.g. location or support in the hoistway

Definitions

  • the invention relates to a machine room-less and space-saving elevator installation installed in an elevator shaft with an elevator car, a counterweight, a
  • WO 02/08108 discloses a machine room-less elevator installation with reduced space requirement, in which a drive motor is arranged completely in a recess embedded in the shaft ceiling or the shaft floor. With this measure it is achieved that the elevator shaft requires neither an extension in the vertical direction nor in the horizontal direction in order to be able to place the drive motor.
  • the internal height, as well as the internal cross-sectional area of the hoistway, can be reduced to values required to arrange the elevator car, the counterweight, the guide rails and the suspension elements next to one another in the elevator shaft.
  • a drive motor the usual as a three-phase motor with
  • Stator and rotor winding is executed, requires a relatively large installation space. Since, according to the above teaching, the drive motor is arranged within the thickness of the shaft ceiling or the shaft bottom, the teaching is only applicable if the required drive power or at the
  • Traction sheave required torque can be achieved with an engine size that is within the thickness of Schachtde- bridge or the shaft floor is mountable. In many cases this can not be achieved with a standard three-phase motor.
  • the drive motor is disk-shaped.
  • the present invention is based on the objects to provide elevator systems in which the available for the elevator car share of the cross section of the elevator shaft is as large as possible, and in which in spite of additionally cramped installation conditions arising in the field of the drive motor inspection and Wartungsar- be comfortable and safe executable. In this case, the above-mentioned disadvantages of the prior art should be eliminated or reduced.
  • a drive motor with a traction sheave is at least partly arranged in a niche which is embedded in a shaft wall or in the shaft ceiling or in the shaft floor, the drive motor is designed as a permanent magnet motor and at least part of the niche penetrates the shaft wall and forms a maintenance opening, by means of which the drive motor is accessible from the outside of the elevator shaft.
  • An elevator system has significant advantages over the prior art.
  • the drive motor designed as a permanent magnet motor can be realized with a given requirement in terms of power or torque with much smaller dimensions than a conventional three-phase motor with stator and rotor winding. It can therefore be integrated into niches of manhole covers or shaft bottoms which have a customary thickness corresponding to their purpose.
  • the drive motor is arranged in a niche of a shaft wall, the distance between the shaft wall and the elevator car claimed by the drive motor can be reduced to a minimum so that an increased proportion of the cross section of the elevator shaft is available for the elevator cage.
  • a permanent magnet motor can also provide a required drive power with less heat generation, as a conventional three-phase motor. This is especially true in speed controlled by frequency converter operated elevator drive.
  • a niche problem of insufficient engine cooling is mitigated by using a permanent magnet motor.
  • the combination of the niche with a maintenance opening penetrating the shaft wall, by means of which the drive motor is accessible from the outside of the elevator shaft, has the advantage that, in spite of the additionally reduced installation space for the drive motor, it can itself and possibly also can be conveniently and safely inspected and maintained on him or in his area arranged control and regulation.
  • the maintenance opening is provided with a closable maintenance door.
  • An openable only with a key maintenance door the position is additionally monitored electrically, guarantees that no unauthorized or unauthorized person in the installation space of the drive motor engage and can be injured by moving at a small distance to the shaft wall counterweight.
  • a particularly high proportion of the cross section of the elevator shaft can be made available for the elevator car if the niche is at the same time arranged in a shaft wall and either in the shaft ceiling or in the shaft floor.
  • a space-saving 2: 1 suspension of the elevator car and the counterweight can be realized with an embodiment of the invention, in which the niche and the drive motor are arranged in a region of the elevator shaft, which is associated with a side wall of the elevator car.
  • Maximal width elevator cars can be realized in an embodiment of the invention, in which the niche and the drive motor is arranged in a region of the elevator shaft which is assigned to the rear side of the elevator cage.
  • the niche and the drive motor are arranged below the space which is stressed by the counterweight in its lowermost operating position ,
  • Small diameters of the driving and deflecting disks can be realized in an elevator installation according to the invention, in which plastic fiber cables, preferably ropes made of aramid fibers, are present as suspension means.
  • Drives and ümlenkusionn with small diameters on the one hand enable a space-saving arrangement of all drive elements of the elevator system and on the other hand, the use of a drive motor with a smaller size, since at a given traction force in the suspension means the torque required at the traction sheave is proportional to the pulley diameter.
  • At least one vertical run of the suspension element is guided through a recess provided in the counterweight. This ensures that no additional distance for this belting between the elevator car and the counterweight or between the counterweight and the counterweight opposite shaft wall is required.
  • the proportion of the entire cross section of the elevator shaft available for the elevator car is additionally increased with this measure.
  • a further expedient embodiment of the invention consists in that at least one deflection roller deflecting the suspension element is arranged in a recess embedded in the shaft ceiling or projects into such a recess.
  • the shaft head space can be reduced in the vertical direction or, for a given height of the shaft head space, a higher elevator car can be realized.
  • Fig. 1 shows a schematic vertical section through an inventive elevator system with a
  • Elevator car Elevator car, a counterweight and a drive motor, which is arranged in a recessed in the shaft ceiling and a side shaft wall niche.
  • FIG. 2 shows a horizontal section through the elevator installation according to FIG. 1.
  • FIG. 3 shows a schematic vertical section through an elevator installation according to the invention, in which the
  • FIG 4 shows a vertical section through an elevator installation according to the invention, in which the drive motor is arranged in a recess embedded in the rear shaft wall and the shaft floor.
  • FIG. 1 shows schematically a vertical section and FIG. 2 shows a horizontal section through an elevator system 100 according to the invention, which comprises an elevator car 102, a counterweight 103, a drive motor 104 with a traction sheave 105 and at least one flexible suspension element 106.
  • the said components of the elevator installation are installed in an elevator shaft 108, which consists of shaft walls 109, a shaft ceiling 110 and a shaft floor.
  • the elevator car 102 and the counterweight 103 are guided on guide rails 113 " , 114 and can be moved along vertical roadways, the roadway of the counterweight 103 being located on the side of the elevator car, with regard to the door front of the elevator car 102 are supported and driven by the support means 106, being coupled together by them so as to move in opposite directions about respective equal distances when the support means is driven by the traction sheave 105.
  • the support means shown in Fig. 1 is a so-called 2: 1 suspension in which the section of the support means 106 running over the traction sheave 105 moves twice as fast as the elevator car 102 or the counterweight 103.
  • the at least one suspension element 106 is in its first end a first support means fixed point 116 in the region of the shaft head 108.1 of the elevator shaft 108th attached. From there, it extends vertically downwards to a first deflection disk 117.1 carrying the counterweight, then upwards to the traction sheave 105 of the drive motor 104 arranged in the area of the shaft head 108.1, wraps around it by 180 °, then extends downwards to one below the elevator cage 102
  • This fixed second deflecting plate 117.2 extends from this horizontally to a likewise attached to the elevator car third deflecting 117.3, wraps around 90 ° and then extends vertically upward to a arranged in the region of the shaft head second Tragstofffixtician 116.2, to which the support means 106 with attached to its second end.
  • the drive motor 104 is arranged above the roadway of the counterweight 103, wherein it projects into a recess 120 which is at the same time embedded in the shaft ceiling 110 as well as in the counterweight-side shaft wall 109.1.
  • the drive motor 104 is supported
  • the distance between the counterweight-side shaft wall 109.1 and the counterweight-side wall 102.1 of the elevator car 102 is determined by the minimum required diameter of the traction sheave 105 and by the required distances between the shaft wall 109.1 or the counterweight 103 or the wall 102.1 of the elevator car 102 and each guided past this run of the support means 106 determined. Since the elevator car 102 can be moved laterally past the drive motor 104 in order to be able to realize the smallest possible distance between the roof 102.2 of the elevator car 102 and the shaft ceiling 110, the size of the drive motor 104 is kept as small as possible. This avoids that the above-mentioned distance between the counterweight side
  • Shaft wall 109.1 and the counterweight-side wall 102.1 of the elevator car 102 is determined by the size of the drive motor 104.
  • the left-side guide shoe 122 is mounted slightly lower on the elevator car 102 than the right-hand one so as not to collide with the drive motor 104 when the elevator car 102 approaches its uppermost position.
  • the at least one support means 106 is either in the form of a support rope made of plastic fibers, for example Aramid fibers, or in the form of a flat belt-like traction means available. With such support means can be extremely small drive and deflection realized.
  • a traction sheave 105 with the smallest possible diameter that is required on the traction sheave
  • Torque minimized which allows the use of a drive motor 104 of small size, especially with a small outer diameter.
  • the small diameter of the traction sheave 105 allows in the support structure described above, in combination with the small-sized and partially projecting into the above-described niche 120 in the shaft wall Antriebsm ⁇ tor, the arrangement of the elevator car 102 with a very small distance between the gegenimportants districten cabin wall 102.1 and the gegenge - weight-side shaft wall 109.1. This ensures that a very high proportion of the cross section of the elevator shaft is available for the usable area of the elevator car.
  • the counterweight can be designed with the greatest possible height. This has the advantage that the counterweight for a given required mass may have a smaller thickness, so that said distance between the counterweight-side cabin wall 102.1 and the counterweight-side shaft wall 109.1 is not determined by the thickness of the counterweight.
  • the drive motor 104 is designed as a permanent magnet motor, on the motor shaft, the traction sheave 105 is fixed.
  • the permanent magnet motor has the advantageous property that it - with the same motor length - a required torque at a smaller size, ie generated with a smaller motor diameter than a conventional three-phase motor with stator and rotor winding.
  • the heat loss generated at the same power in the permanent magnet motor is considerably lower than the conventional three-phase motor, which makes the permanent magnet motor for installation in narrow niches particularly suitable.
  • the installation of the drive motor in the niche 120 recessed into the shaft wall 109.1 and / or the shaft ceiling 110 results in an impediment to the accessibility to the drive motor 104.
  • at least part of the niche 120 is a shaft wall 109.1 penetrating maintenance opening 124 executed. With this maintenance opening is achieved that the drive motor 104 and the associated components of the
  • the maintenance opening 124 can be closed with a maintenance door 125.
  • the maintenance door is provided with a lock, which only with a key can be opened, and their position is additionally monitored by electrical means. This ensures that no unauthorized or unauthorized person can reach into the installation space of the drive motor and can be injured by the counterweight moving at a small distance from the shaft wall.
  • FIG. 3 shows a further embodiment of an elevator installation 201 according to the invention, which likewise comprises an elevator cage 202, a counterweight 203, a drive motor 204 with a traction sheave 205 and at least one flexible support means 206, said components being located in a hoistway 208 having shaft walls 209 , a manhole cover 210 and a shaft bottom 211 are installed.
  • the elevator cage 202 and the counterweight 203 are here also guided on guide rails 213, 214 and movable along vertical tracks, wherein the roadway of the counterweight 203 is arranged on the rear side of the elevator cage 202 with a view to the door front of the elevator cage.
  • the elevator car 202 and the counterweight 203 are supported and driven by the support means 206, being coupled together by them so as to move in opposite directions about respective equal travel distances when the support means 206 is driven by the traction sheave 205.
  • the suspension element 206 of the elevator installation 201 described here forms a so-called 1: 1 suspension in which the section of the suspension element running over the traction sheave 205 moves at the same speed as the elevator cage 202 or the counterweight 203.
  • the at least one suspension element 206 is connected at its first end to the counterweight via a first suspension point 216.1.
  • weight 203 attached. From there, it extends vertically upwards to a first deflecting disk 217.1 mounted in the region of the shaft head 208.1, then downwards to the traction sheave 205 of the drive motor 204 arranged in the lower region of the elevator shaft 208, wraps around it by 180 °, then extends upward again up to one second mounted in the region of the shaft head deflection plate 217.2, extending from this horizontally to a likewise mounted in the shaft head third deflecting 217.3, wraps around 90 ° and then extends vertically downwards to a second Tragstofffixtician 216.2, via which the second end of the support means 206 is attached to the elevator car 202.
  • the drive motor 204 is arranged below the roadway of the counterweight 203, this also projecting into a recess 220, which is embedded in the counterweight-side shaft wall 209.1. Since the counterweight-side wall 202.1 of the elevator car 202 moves laterally past the drive motor 204 when the elevator car approaches the lowermost stop, the distance between the counterweight-side shaft wall 209.1 and the counterweight-side wall 202.1 of the elevator car (rear wall) is determined by the minimum required diameter Traction sheave 205 and the diameter (width) of the drive motor 204 determined.
  • the strands mentioned are passed through recesses in the counterweight 203 with relatively thick counterweights.
  • the abovementioned deflection rollers 217.2, 217.3 present in the area of the shaft head 208.1 are mounted or protrude at least in a recess 230 recessed into the shaft ceiling 210 into such a niche.
  • support means 206 in this embodiment as well, either support ropes made of synthetic fibers or flat belt-type traction means are provided in order to be able to realize the smallest possible drive and deflection pulleys.
  • a traction sheave 205 With the smallest possible diameter, the torque required on the traction sheave is minimized, which allows the use of a drive motor 204 of relatively small size, in particular with a small outer diameter. To the size, ie the
  • the drive motor 204 In addition to being able to reduce the diameter of the drive motor 204, it is also designed as a permanent magnet motor in the case of the elevator variant described here.
  • the small diameter of the traction sheave 205 in the above-described suspension arrangement in combination with the small-sized and partially projecting into the niche 220 in the shaft wall 209.1 drive motor 204 allows the arrangement of the elevator car 202 with a very small distance between the counterweight side wall 202.1 of the elevator cage bine and the counterweight-side shaft wall 209.1, so that a very high proportion of the cross section of the elevator shaft for the effective area of the elevator car is available.
  • FIG. 4 shows a variant of the elevator installation according to FIG. 3, in which the drive motor 304 projects into a niche 320 which is at the same time embedded in the shaft wall 309.1 on the counterweight side as well as in the shaft floor 311.
  • the in the region of the counterweight 303 vertically extending strands of the support means 306 are also passed through recesses in the counterweight 203 here.
  • the niche 320 is combined with a maintenance opening 324 penetrating the shaft wall 309.1, which is secured by a lockable and electrically monitored maintenance door 325.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

L'invention concerne une installation d'ascenseur (101) comprenant une cage d'ascenseur (108) avec des parois de cage (109), un plafond de cage (110) et un fond de cage (211), ainsi qu'une cabine d'ascenseur (102), un contrepoids (103) et un moteur d'entraînement (104) doté d'une poulie motrice (105), le moteur d'entraînement (104) étant placé au moins partiellement dans un renfoncement (120) prévu dans une paroi de cage (109.1) ou dans le plafond de cage (110) ou dans le fond de cage (211). Le moteur d'entraînement (104) est un moteur à aimant permanent et au moins une partie du renfoncement (120) traverse la paroi de cage (109.1) et forme un orifice d'entretien (124) par lequel le moteur d'entraînement (104) est accessible depuis le côté extérieur de la cage d'ascenseur (108).
PCT/CH2007/000288 2006-06-14 2007-06-11 Installation d'ascenseur WO2007143871A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06115451 2006-06-14
EP06115451.4 2006-06-14

Publications (3)

Publication Number Publication Date
WO2007143871A2 true WO2007143871A2 (fr) 2007-12-21
WO2007143871A3 WO2007143871A3 (fr) 2008-04-17
WO2007143871B1 WO2007143871B1 (fr) 2008-06-05

Family

ID=38318623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2007/000288 WO2007143871A2 (fr) 2006-06-14 2007-06-11 Installation d'ascenseur

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WO (1) WO2007143871A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7523810B2 (en) * 2004-07-19 2009-04-28 Otis Elevator Company Elevator car guiding device for an elevator without machine room
WO2010065039A3 (fr) * 2008-12-05 2010-09-23 Otis Elevator Company Système élévateur comprenant des circuits électroniques de commande portés par un support de machine élévatrice
WO2012004499A1 (fr) * 2010-07-09 2012-01-12 TECHNIQUE ET MECANIQUE DES ELEVATEURS (Société Anonyme) Installation d'ascenseur de faible encombrement destinee a etre montee dans un batiment ou un edifice

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999043596A2 (fr) * 1998-02-26 1999-09-02 Otis Elevator Company Systeme d'ascenseurs dont le moteur d'entrainement est adjacent a la porte paliere
JP2000177949A (ja) * 1998-12-15 2000-06-27 Hitachi Building Systems Co Ltd エレベータ
JP2001063934A (ja) * 1999-08-27 2001-03-13 Mitsubishi Electric Corp エレベータ装置
WO2002008108A2 (fr) * 2000-07-24 2002-01-31 Otis Elevator Company Systeme d'ascenseur utilisant un espace de construction minimum
WO2005054108A1 (fr) * 2003-11-29 2005-06-16 Swiss-Traction Ag Systeme d'entrainement de rotor externe, sans engrenage, compact
WO2006002583A1 (fr) * 2004-07-05 2006-01-12 Minying Huang Machine a adherence pour ascenseurs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999043596A2 (fr) * 1998-02-26 1999-09-02 Otis Elevator Company Systeme d'ascenseurs dont le moteur d'entrainement est adjacent a la porte paliere
JP2000177949A (ja) * 1998-12-15 2000-06-27 Hitachi Building Systems Co Ltd エレベータ
JP2001063934A (ja) * 1999-08-27 2001-03-13 Mitsubishi Electric Corp エレベータ装置
WO2002008108A2 (fr) * 2000-07-24 2002-01-31 Otis Elevator Company Systeme d'ascenseur utilisant un espace de construction minimum
WO2005054108A1 (fr) * 2003-11-29 2005-06-16 Swiss-Traction Ag Systeme d'entrainement de rotor externe, sans engrenage, compact
WO2006002583A1 (fr) * 2004-07-05 2006-01-12 Minying Huang Machine a adherence pour ascenseurs

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7523810B2 (en) * 2004-07-19 2009-04-28 Otis Elevator Company Elevator car guiding device for an elevator without machine room
WO2010065039A3 (fr) * 2008-12-05 2010-09-23 Otis Elevator Company Système élévateur comprenant des circuits électroniques de commande portés par un support de machine élévatrice
CN102232050A (zh) * 2008-12-05 2011-11-02 奥的斯电梯公司 包括支承于电梯机器支承件上的控制电子器件的电梯系统
CN102232050B (zh) * 2008-12-05 2014-04-09 奥的斯电梯公司 包括支承于电梯机器支承件上的控制电子器件的电梯系统
US9272880B2 (en) 2008-12-05 2016-03-01 Otis Elevator Company Elevator system including control electronics supported on an elevator machine support
WO2012004499A1 (fr) * 2010-07-09 2012-01-12 TECHNIQUE ET MECANIQUE DES ELEVATEURS (Société Anonyme) Installation d'ascenseur de faible encombrement destinee a etre montee dans un batiment ou un edifice
FR2962428A1 (fr) * 2010-07-09 2012-01-13 Tech Et Mecanique Des Elevateurs Installation d'ascenseur de faible encombrement destinee a etre montee dans un batiment ou un edifice

Also Published As

Publication number Publication date
WO2007143871B1 (fr) 2008-06-05
WO2007143871A3 (fr) 2008-04-17

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