EP1867597B1 - Ascenseur - Google Patents

Ascenseur Download PDF

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Publication number
EP1867597B1
EP1867597B1 EP20070110006 EP07110006A EP1867597B1 EP 1867597 B1 EP1867597 B1 EP 1867597B1 EP 20070110006 EP20070110006 EP 20070110006 EP 07110006 A EP07110006 A EP 07110006A EP 1867597 B1 EP1867597 B1 EP 1867597B1
Authority
EP
European Patent Office
Prior art keywords
counterweight
lift
drive unit
support means
drive
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.)
Active
Application number
EP20070110006
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German (de)
English (en)
Other versions
EP1867597A1 (fr
Inventor
Ernst Ach
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
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Inventio AG
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Publication of EP1867597A1 publication Critical patent/EP1867597A1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/12—Counterpoises
    • 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
    • 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

Definitions

  • the invention relates to an elevator comprising an elevator car, a counterweight and a drive unit provided with at least one traction sheave, which is arranged below the counterweight located in the lowest position, wherein an elevator means guided over the traction sheave and at least one deflecting pulley carries the elevator car and the counterweight and moved in opposite directions when the traction sheave of the drive unit drives the elevator support means.
  • the required mass of the counterweight can thus be achieved only by increasing the thickness of the counterweight measured at right angles to the counterweight-side shaft wall. Since modern elevator drives work thanks to highly flexible support means with very small pulley diameters and thus with extremely small motor dimensions, in the circumstances described above, the thickness of the counterweight usually exceeds the dimension of the drive unit measured in the direction of this thickness, so that a given shaft cross-section and the given dimension of the Drive unit corresponding optimal width of the elevator car can not be realized.
  • the invention has for its object to provide machine roomless elevators of the type described above, which do not have the mentioned disadvantages of the cited as prior art device whose elevator cars have installed below the travel of the counterweight drive unit and for a given cross section of the elevator shaft a maximum usable area and in which the complexity of the entire drive as well as the total cost of the elevator are as low as possible.
  • the drive unit is arranged below the counterweight in its lowest position that the elevator car can drive past her. This allows the construction of elevator systems with the lowest possible shaft pit depth.
  • the axis of the traction sheave as well as the axis of the at least one deflection plate are arranged parallel to the counterweight-side shaft wall. This allows the use of low-cost, commercially available motors as a drive unit whose length is greater than their diameter. In the installation position mentioned, such a slim drive unit, which is preferably gearless, permits a small distance between the carwash wall on the counterweight side and the shaft wall on the counterweight side.
  • a particularly expedient development of the invention consists in that the respective traction sheave assigned to one suspension element strand and the at least one deflection pulley are arranged such that their central plane surfaces lie in a common vertical plane. This results in significant advantages for the arrangement of several parallel support cables, which need not be rotated about a common axis in this arrangement. Assembly costs and wear are reduced by such a suspension cable arrangement.
  • the traction sheave, the at least one deflecting pulley and possibly existing suspension element fixing points are arranged so that the elevator support means is always bent in the same direction during rotation of the driving or deflecting pulleys. From such an arrangement of the suspension cables used as lift support means or flat belt-like suspension means results in a significant increase in their life.
  • a high adaptability of the elevator according to the invention to different requirements is given by the fact that the elevator support means together with the driving and deflecting disks can form a 1: 1 suspension or a 2: 1 suspension for the elevator car and the counterweight.
  • the suspension element moves at the same speed as in the traction sheave and twice as fast with a 2: 1 suspension as the elevator car.
  • a further advantageous embodiment of the invention is that the elevator support means is formed like a flat belt.
  • Such elevator support means allow the use of driving and deflection discs with small diameters and thus of correspondingly slim motors of the drive unit.
  • the required for the installation of the drive unit and lost for the installation of the elevator car part of the elevator shaft is thus lower, and the cost of the drive unit with control and speed control are massively reduced.
  • the flat belt-like elevator support means in its longitudinal direction oriented guide ribs, which cooperate with guide grooves of the traction sheave and / or the deflection disc.
  • guide means provide a precise and low-wear guidance of the flat belt-like support means on the drive and deflection pulleys and can increase the transmittable traction force with suitable shaping.
  • An excellent utilization of the shaft cross-section for the effective area of the elevator car can be achieved with driving and / or deflecting disks which have outside diameters of less than 100 mm.
  • the axis of the traction sheave is arranged at right angles to the counterweight shaft wall.
  • a flat drive unit is to be understood as meaning a drive unit whose length measured in the direction of the traction sheave axis is shorter than its diameter.
  • the drive unit is arranged completely in the shaft space lying between the counterweight-side cabin wall and the counterweight-side shaft wall. If the drive unit in the direction of the thickness of the counterweight does not require more installation space than the Geqenqewicht itself, thus becomes a achieved simple and inexpensive embodiment of an inventive elevator.
  • a part of the drive unit protrudes into a niche in the counterweight-side shaft wall. This can be used without loss of usable space of the elevator car and a drive unit that requires more installation space in the direction of the thickness of the counterweight than the counterweight itself.
  • the counterweight shaft wall in the region of the drive unit preferably in the presence of a niche, has a closable maintenance opening, at least the maintenance, advantageously also the replacement of the drive unit from outside the elevator shaft lying room allows.
  • An embodiment of the invention in which the shaft space is optimally utilized for the useful area of the elevator car, can be achieved by the use of a drive unit with a permanent magnet motor.
  • Permanent magnet motors require a smaller motor diameter than conventional asynchronous or synchronous three-phase motors with the same motor length to develop a required torque.
  • Fig. 1 shows a vertical section through an elevator 1, which comprises an elevator car 2, a counterweight 3, a drive unit 4 with a traction sheave 5 and at least one flexible elevator support means 6.
  • the elevator 1 is in one Elevator shaft 7 installed, wherein the elevator car 2 is guided on cabin guide rails 8 and movable along a vertical car lane.
  • the counterweight 3 is guided on counterweight guide rails 9 and along a next to the car lane - ie between the back 10 of the elevator car 2 and the opposite of this shaft wall 11 - arranged counterweight roadway movable.
  • the elevator car 2 and the counterweight 3 are supported and driven by the at least one elevator support means 6, being coupled together by the elevator support means so as to move in opposite directions about respective equal travel distances when the elevator support means is driven by the traction sheave 5 of the drive unit 4 ,
  • Tragschan ever is a so-called 1: 1 suspension, in which the running over the traction sheave part of the support means moves the same speed as the elevator car.
  • the at least one elevator support means 6 is fastened with its first end to a suspension element fixing point 6.4 of the elevator car 2.
  • a flat belt-like traction means is used as the elevator support means 6, which compared with usually applied steel ropes is particularly bendable and is ideal for space-saving application as an elevator means in combination with small drive and deflection discs.
  • steel wire ropes may also be used, preferably having diameters of 8 mm or less.
  • Fig. 1 Recognizable all the axes of the drive and deflection of the elevator drive are aligned parallel to the counterweight shaft wall, the middle disc levels of each of a lift support means associated drive and deflection in the same plane.
  • Such a suspension means arrangement is advantageous in view of a long life for all conventional types of elevator means. In the application of flat belt-like elevator support means, this arrangement is practically mandatory because their deflection into other planes in the case of several parallel to each other elevator support means is practically not feasible.
  • arrangement of the elevator support means also has the advantage that the traction sheave 5, the pulleys 12, 13, 14 and the Tragstofffixact 6.4, 6.5 are arranged so that the elevator support means 6 is always bent in the same sense to the drive and deflection pulleys , As a result, an alternating bending stress of the elevator support means is avoided, which has a very positive effect on its life.
  • the drive unit 4 is arranged below the counterweight 3 located in its lowermost position and completely in the shaft space lying between the counterweight-side cabin wall 10 and the counterweight-side shaft wall 11, in such a way that at least the lower part the elevator car 2 can move laterally past the drive unit 4.
  • the drive unit 4 is narrow in the direction of the thickness S of the counterweight.
  • the drive unit 4 comprises an electric motor 4.1, a traction sheave 5 fixed on the shaft of the electric motor 4.1, and a drive brake (not shown).
  • the traction sheave 5 of the drive unit 4 has a smallest possible diameter depending on the type and the load capacity of the elevator support means 6, so that the required motor torque and thus the size of the electric motor 4.1 can be kept as low as possible.
  • the electric motor 4.1 is designed as a permanent magnet motor, whereby at a given torque whose required installation space in comparison with commonly used asynchronous or synchronous three-phase motors can be further reduced.
  • the diameter of the traction sheave 5, which is advantageously between 100 mm and 70 mm, is smaller than the measured perpendicular to the counterweight shaft wall 11 thickness of the counterweight 3.
  • FIGS. 2 and 3 show enlarged a vertical cross section III-III through the counterweight 3 and a plan view of the counterweight of the elevator 1 according to Fig. 1 .
  • This counterweight 3 comprises a supporting frame 3.1 made of steel profiles with an upper yoke 3.2 and two laterally mounted Jacobiss Operations Sern 3.3.
  • vertically continuous recesses 3.4 are provided, through which the two leading to the traction sheave 5 runs 6.1, 6.2 of the elevator support means 6 are passed.
  • weight plates 3.5 are inserted into the correspondingly shaped support frame and fixed therein.
  • the support yoke 3.2 contains a fastening device 3.6 for fastening the second ends 6.2 of the support means.
  • Fig. 4 shows a variant of the elevator according to Fig. 1 in which the drive unit 4 takes up more space in the direction of the thickness S of the counterweight 3 than the counterweight itself.
  • a niche 20 is present in the counterweight-side shaft wall 11 which forms part of the drive unit 4 absorbs. If the space adjoining said shaft wall 11 allows this, the niche 20 can be designed as a continuous maintenance opening in the shaft wall 11 and can be provided with a lockable maintenance door. Through this maintenance opening maintenance and inspection work can be performed on the underlying drive unit 4 advantageously.
  • FIGS. 5 and 6 show a further embodiment of an inventive elevator 101, wherein Fig. 6 represents a horizontal section at the point VV by the elevator.
  • Fig. 6 represents a horizontal section at the point VV by the elevator.
  • the two strands 106.1, 106.2 of the elevator support means 106 leading to the traction sheave 105 of the drive unit 104 are likewise guided through a recess 103.4 in the counterweight 103.
  • the elevator 101 shown here has a so-called 2: 1 suspension for the elevator car 102 and the counterweight 103, in which the part of the elevator means running over the traction sheave moves twice as fast as the elevator car and the counterweight.
  • the two mutually parallel strands 106.6, 106.7 of the elevator support means 106 carry the elevator car 102 in the form of a looping of the deflecting disks 115 on the elevator car and the counterweight 103 via a deflection disk 116 on the counterweight.
  • the axes of all drive and deflection plates 105, 112-116 parallel to the counterweight shaft wall 111 are the middle planes of each strand (106.6, 106.7) of the elevator support means 106 associated drive and deflection plates 105, 112-116 in the same vertical plane and are the traction sheave 105, the at least one deflection plate 112-114 and existing Tragstofffixact 106.4, 106.5 arranged so that the elevator support means is always bent in the same direction during rotation of the driving or deflection.
  • the drive unit 104 is arranged below the counterweight 103 located in its lowermost position and completely in the shaft space lying between the counterweight-side cabin wall 110 and the counterweight-side shaft wall 111.
  • FIGS. 5 and 6 It is also shown how, in the case of an elevator, the largest possible usable area of the elevator car 102 can be achieved, in which the counterweight is arranged on one side of the elevator car, which is also opposite a cabin guide rail 108.
  • the car guide rails 108 and the associated guide shoes 120 on the elevator car 102 are arranged diagonally to the elevator car, so that there is no car guide rail in the area between the elevator car 102 and the counterweight 103.
  • the counterweight 103 can be placed with a minimal distance to the counterweight-side cabin wall, which is just sufficient to reach the cabin underbody to pass a vertical run 106.3 of the elevator support means 106 between the counterweight-side cabin wall 110 and the counterweight.
  • Fig. 7 shows a flat belt-like elevator support means 6, 106 which is particularly suitable for use in an elevator according to the invention.
  • This has the form of a V-ribbed belt comprising a rubber or elastic plastic jacket reinforced by tension cords 6.9, 106.9 with wedge-shaped guide ribs 6.10, 106.10 incorporated in its longitudinal direction includes.
  • These wedge-shaped guide ribs have rib angles ⁇ of 60 ° to 120 ° and cooperate with at least partially complementary running grooves in the drive and deflection discs, so that the elevator support means 6, 106 is guided on this.
  • This elevator support means is adapted to cooperate with drive and deflection discs having outer diameters of less than 100 mm.

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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)

Claims (14)

  1. Ascenseur (1, 101) comprenant
    - une cabine d'ascenseur (2 ; 102) qui est mobile le long d'une glissière de cabine, et un contrepoids (3 ; 103) qui est mobile le long d'une glissière de contrepoids disposée près de la glissière de cabine,
    - une unité d'entraînement (4 ; 104) qui est pourvue d'au moins une poulie motrice (5 ; 105) et qui est disposée au-dessous du contrepoids (3 ; 103) situé dans sa position la plus basse,
    - au moins un moyen de suspension d'ascenseur (6 ; 106) qui passe sur la poulie motrice (5 ; 105) et sur au moins une poulie de renvoi (12-14 ; 112-114) prévue dans une zone supérieure de la gaine, et qui, lorsqu'il est entraîné par la poulie motrice (5 ; 105) de l'unité d'entraînement (4 ; 104), porte et déplace en sens inverse la cabine (2 ; 102) et le contrepoids (3 ; 103),
    caractérisé en ce qu'au moins un brin (6.1, 6.2 ; 106.1, 106.2) du moyen de suspension d'ascenseur (6 ; 106) qui mène à la poulie motrice (5 ; 105) passe à travers un évidement (3.4 ; 103.4) prévu dans le contrepoids (3 ; 103).
  2. Ascenseur selon la revendication 1, caractérisé en ce que l'unité d'entraînement (4 ; 104) est disposée au-dessous du contrepoids (3 ; 103), dans la position la plus basse de celui-ci, de telle sorte que la cabine (2 ; 102) puisse passer devant elle.
  3. Ascenseur selon la revendication 1 ou 2, caractérisé en ce que l'axe de la poulie motrice (5 ; 105) et l'axe de la ou des poulies de renvoi (12-14 ; 112-116) sont parallèles à la paroi de gaine côté contrepoids (11 ; 111).
  4. Ascenseur selon l'une des revendications 1 à 3, caractérisé en ce que les poulies motrice et de renvoi (5, 12-14 ; 105, 112-116) associées chacune à un brin (106.6, 106.7) du moyen de suspension (106) sont disposées de telle sorte que leurs plans de poulies médian soient situés dans un plan commun.
  5. Ascenseur selon l'une des revendications 1 à 4, caractérisé en ce que la poulie motrice (5 ; 105), la ou les poulies de renvoi (12-14 ; 112-114) et des points fixes de moyen de suspension (6.4, 6.5 ; 106.4, 106.5) prévus sont disposés de telle sorte que le moyen de suspension d'ascenseur (106), lorsqu'il passe sur les poulies motrice et de renvoi (5, 12-14 ; 105, 112-116), soit toujours courbé dans le même sens.
  6. Ascenseur selon l'une des revendications 1 à 5, caractérisé en ce que le moyen de suspension d'ascenseur (6 ; 106) et les poulies motrice et de renvoi (5, 12-14 ; 105, 112-116) forment une suspension 1:1 ou une suspension 2:1 pour la cabine (2 ; 102) et le contrepoids (3 ; 103).
  7. Ascenseur selon l'une des revendications 1 à 6, caractérisé en ce que le moyen de suspension d'ascenseur (6 ; 106) a la forme d'une courroie plate.
  8. Ascenseur selon la revendication 7, caractérisé en ce que le moyen de suspension d'ascenseur en forme de courroie plate (6 ; 106) présente des nervures de guidage (6.10 ; 106.10), orientées dans son sens longitudinal, qui coopèrent avec des rainures de guidage de la poulie motrice (5 ; 105) et/ou de la ou des poulies de renvoi (12-14 ; 112-116) .
  9. Ascenseur selon l'une des revendications 1 à 8, caractérisé en ce que la poulie motrice (5 ; 105) et/ou au moins une poulie de renvoi (12-14 ; 112-116) présentent un diamètre extérieur de moins de 100 mm.
  10. Ascenseur selon la revendication 1 ou 2, caractérisé en ce que l'axe de la poulie motrice est disposé à angle droit par rapport à la paroi de gaine côté contrepoids.
  11. Ascenseur selon l'une des revendications 1 à 10, caractérisé en ce que l'unité d'entraînement (4 ; 104) est disposée entièrement dans l'espace de gaine qui se trouve entre la paroi de cabine côté contrepoids (10 ; 110) et la paroi de gaine côté contrepoids (11 ; 111).
  12. Ascenseur selon l'une des revendications 1 à 10, caractérisé en ce qu'une partie de l'unité d'entraînement (4) dépasse dans une niche (20) prévue dans la paroi de gaine côté contrepoids (11).
  13. Ascenseur selon l'une des revendications 1 à 12, caractérisé en ce que la paroi de gaine côté contrepoids (111) présente dans la zone de l'unité d'entraînement (104) une ouverture de maintenance (117), apte à être obturée à l'aide d'une porte de maintenance (118), qui permet au moins l'entretien de l'unité d'entraînement (104) à partir d'un espace situé à l'extérieur de la gaine d'ascenseur.
  14. Ascenseur selon l'une des revendications 1 à 13, caractérisé en ce que l'unité d'entraînement (4 ; 104) comprend un moteur à aimants permanents.
EP20070110006 2006-06-14 2007-06-11 Ascenseur Active EP1867597B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20070110006 EP1867597B1 (fr) 2006-06-14 2007-06-11 Ascenseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06115448 2006-06-14
EP20070110006 EP1867597B1 (fr) 2006-06-14 2007-06-11 Ascenseur

Publications (2)

Publication Number Publication Date
EP1867597A1 EP1867597A1 (fr) 2007-12-19
EP1867597B1 true EP1867597B1 (fr) 2013-03-06

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2032491B1 (fr) 2006-06-26 2015-09-09 Otis Elevator Company Installation d'ascenseur avec dimensions de cage réduites
CN102060227A (zh) * 2009-11-17 2011-05-18 魏全增 一种利用气压配重的电梯
US11814264B1 (en) * 2022-11-21 2023-11-14 Inventio Ag Yoke assembly for suspending an elevator car or a counterweight in a shaft of an elevator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI93632C (fi) * 1993-06-28 1995-05-10 Kone Oy Alakoneistoinen vetopyörähissi
BR9908227A (pt) * 1998-02-26 2000-10-31 Otis Elevator Co Elevador de elevação por correia possuindo um contrapeso de acionamento
JP3991657B2 (ja) * 2001-11-15 2007-10-17 株式会社日立製作所 エレベータ
WO2004080878A1 (fr) * 2003-03-12 2004-09-23 Mitsubishi Denki Kabushiki Kaisha Ascenseur automatique d'equilibrage

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Publication number Publication date
EP1867597A1 (fr) 2007-12-19

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