EP1105337B1 - Ascenseur - Google Patents

Ascenseur Download PDF

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Publication number
EP1105337B1
EP1105337B1 EP00927062A EP00927062A EP1105337B1 EP 1105337 B1 EP1105337 B1 EP 1105337B1 EP 00927062 A EP00927062 A EP 00927062A EP 00927062 A EP00927062 A EP 00927062A EP 1105337 B1 EP1105337 B1 EP 1105337B1
Authority
EP
European Patent Office
Prior art keywords
car
above mentioned
guide tracks
counterweight
hoistway
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00927062A
Other languages
German (de)
English (en)
Other versions
EP1105337A1 (fr
Inventor
Andrea Luigi Salvatore
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.)
Elex SpA
Original Assignee
Elex SpA
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 Elex SpA filed Critical Elex SpA
Publication of EP1105337A1 publication Critical patent/EP1105337A1/fr
Application granted granted Critical
Publication of EP1105337B1 publication Critical patent/EP1105337B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/0035—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
    • B66B11/02—Cages, i.e. cars
    • 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
    • B66B11/02—Cages, i.e. cars
    • B66B11/0206—Car frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/021—Guideways; Guides with a particular position in the shaft

Definitions

  • the present invention relates to a traction lift for passengers or goods and more particularly to a traction lift of the type with load car hoisting machine located beside the top of the hoistway (also termed "Traction Top Side” or TTS type).
  • a traction lift for passenger or goods, with car hoisting machine located beside the hoistway is known for example from EP-A-0 686 594.
  • the general purpose of the present invention is to remedy the above mentioned shortcomings by making available a traction lift with car hoisting machine located beside the upper end of the hoistway and which, in addition to obviating the prior art shortcomings, would display at least one of the following advantages:
  • the traction lift according to the invention is of the type with load car hoisting machine located beside the top of the hoistway, and in which are a fixed frame supporting the hoisting machine, a counterweight and movable frame supporting the car, a traction pulley for operation of the hoisting ropes and a diverting pulley designed to locate the vertical section of the counterweight support ropes in the desired position, guide tracks for guiding the movement of the movable frame and counterweight, and brackets for fastening the tracks to the hoistway walls. It is characterized in that:
  • FIGS. 1, 2 and 3 show a preferred embodiment of the traction lift in accordance with the present invention displaying a housing ("car") 1 for passengers and goods to be conveyed, fastened to a movable frame 2 (car-rack frame) running along guide tracks 31,32 arranged at its sides.
  • a housing for passengers and goods to be conveyed
  • a movable frame 2 car-rack frame
  • the car rests on the movable frame through a base 11 and along one of its walls.
  • the car can have one or more accesses 12 arranged on any of its sides except the side in contact with the frame.
  • the movable frame presents a cantilever structure.
  • the movable frame has as its main components two beam pairs with each pair made up of a horizontal beam 21 and a vertical beam 22 arranged according to an L position.
  • the two horizontal beams act as a support for the base 11 of the car while each vertical beam accommodates at its ends two shoes 24, 25 designed to hold the movable frame on its guide tracks 31, 32.
  • the two horizontal beams are connected together by two crosspieces 26 which give additional stiffness to the system.
  • a third crosspiece 27 connects the upper end of the two vertical beams.
  • the first two beams 26 also support a beam 29 to which are anchored (at its intersection with the vertical plane passing through the tracks 31, 32) the hauling ropes.
  • the third crosspiece also acts as a support for two plates 28 with L cross section serving for the upper fastening of the car.
  • the hoisting machine 5 is positioned on a fixed frame 6 supported by four pillars constituted by the movable frame guide tracks 31, 32 and by another pair of tracks 33, 34 guiding the counterweight 7. Said pillars depart from beneath said frame 6 to descend to the bottom of the hoistway (the system "pit").
  • the two left-hand pillars 31, and 33 are connected together and to the wall behind through metal brackets like no. 35 of FIG 2 while the two right-hand pillars 32, 34 are connected together and to the wall behind through metal brackets like no. 36 of the same figure.
  • the frame 6 is fastened to the tracks 31, 32, 33, 34 through bolts and blocks 37 welded outside the upper end of the tracks.
  • buffers 38 placed between the blocks 37 and frame 6 as well as buffers 20 placed between the car base and the car-rack frame.
  • This opening communicates with an adjacent compartment 8 (machine room) in which is located (at the point considered most appropriate) the electronic control system (control panel) 81 of the system.
  • a stop device capable of mechanically stopping the car-rack frame by means of blocks clamping on the guide tracks.
  • this stop device Operation of this stop device is caused by a speed limiting device 9 (FIG 3) having pulleys 43, 44 (with the pulley 43 having a microswitch operated when the centrifugal force generated by rotation exceeds a certain value, and with the pulley 44 having a tensioning device) whose peripheral speed is held equal to that of the car by means of a cable 45 fastened at one of its points to the car-rack frame.
  • a speed limiting device 9 (FIG 3) having pulleys 43, 44 (with the pulley 43 having a microswitch operated when the centrifugal force generated by rotation exceeds a certain value, and with the pulley 44 having a tensioning device) whose peripheral speed is held equal to that of the car by means of a cable 45 fastened at one of its points to the car-rack frame.
  • the car-rack frame guide tracks must therefore be sized not only in relation to the peak load to which they are subjected by the forces exerted by the car-rack frame on its tracks and the bending moment exerted by the shoes 24, 25 but also in relation to the dynamic stresses to which they would be subjected in case of parachute operation.
  • the speed limiter 9 is located in the high part of the hoistway at the level of the frame 6 while, as already explained, the control panel 81 is located in the machine room. Inspection and maintenance thereof are thus easy and safe as is operation in case of emergency control to free passengers trapped in the car.
  • the connection opening between the hoistway and the machine room allows easy inspection of the speed regulator.
  • Rotation of the hoisting machine motor is controlled by an encoder allowing extrapolation of the position and speed of the car in the hoistway.
  • a device for regulation of the level and frequency of the power supply voltage allows fine adjustment of motor rotation speed.
  • a variant could concern arrangement of the machine 5 on the frame 6.
  • said machine could be positioned with its motor axis arranged vertically as indicated in FIG. 7 instead of with its motor axis arranged horizontally as shown in FIG. 5. This would have the advantage of better practicability of the machine room or the possibility of further reduction of its occupied space.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Claims (7)

  1. Ascenseur à traction pour passagers ou charges à machine de levage de cabine pouvant être disposée à côté du haut de la cage d'ascenseur comprenant :
    un châssis fixe (6) portant la machine de levage (5),
    un contrepoids (7) et un châssis mobile support de cabine (2) pour porter la cabine (1),
    une poulie de traction (41) pour faire fonctionner les cordes de traction et une poulie de dégagement (42) destinée à disposer la partie verticale des cordes support de contrepoids à la position souhaitée,
    des pistes de guidage (31-34) guidant le mouvement du châssis support de cabine et du contrepoids, et
    des consoles (35, 36) pour fixer les pistes aux parois de la cage d'ascenseur,
       caractérisé en ce que :
    le châssis support de cabine susmentionné présente une structure en saillie et comprend des poutres horizontales (21) pour porter le plancher de la cabine (11) et deux poutres verticales (22) accolées à l'une des parois de la cabine,
    les poutres verticales parmi les deux poutres susmentionnées sont également accolées aux pistes de guidage du châssis support de cabine (31, 32) avec lesquelles elles sont en contact avec une possibilité de translation verticale,
    les poulies de traction et de dégagement susmentionnées (41, 42) sont toutes deux portées par le châssis fixe susmentionné (6),
    les pistes de guidage (31-34) du châssis support de cabine et du contrepoids sont disposées près d'une même paroi de la cage d'ascenseur, et
    le châssis fixe support de la machine de levage (6) décharge la force de charge totale sur les pistes de guidage susmentionnées (31-34) du châssis support de cabine et du contrepoids qui est elle-même propre à décharger la force latérale à l'intérieur de la fosse disposée en bas de la cage d'ascenseur.
  2. Ascenseur selon la revendication précédente, caractérisé en ce que les pistes de guidage du châssis support de cabine et du contrepoids sont fixées à la même paroi de levage que celle mentionnée ci-dessus et que les consoles liant les pistes de guidage de châssis support de cabine à la paroi sont identiques à celles qui lient les pistes de guidage de contrepoids.
  3. Ascenseur selon la revendication 1, caractérisé en ce que la partie verticale des cordes de levage conduisant au point d'ancrage avec le châssis support de cabine susmentionné se trouve sensiblement dans le plan passant par les pistes de guidage du châssis lui-même et en ce que la partie verticale des câbles support du contrepoids susmentionné se trouve sensiblement dans le plan passant par les pistes de guidage de contrepoids.
  4. Ascenseur selon la revendication 1, caractérisé en ce que la machine de levage est disposée partiellement dans la cage d'ascenseur et partiellement dans une salle de machine accolée à la cage d'ascenseur.
  5. Ascenseur selon la revendication 1, caractérisé en ce que la machine de levage est disposée au dessus du châssis fixe susmentionné, son axe de rotation moteur étant disposé verticalement.
  6. Ascenseur selon la revendication 1, caractérisé en ce que des amortisseurs de vibrations qui pourraient être transmises de la machine de levage vers les pistes de guidage et la cabines sont placés entre le plancher de la cabine et le châssis support de cabine ainsi qu'entre le châssis fixe susmentionné et les pistes de guidage, c'est-à-dire entre la machine de levage et le châssis fixe.
  7. Ascenseur selon la revendication précédente, caractérisé en ce que, pour empêcher le risque de chute de la cabine en cas de rupture des câbles de levage, dans la partie intérieure du châssis support de cabine est installé un dispositif d'arrêt apte à arrêter mécaniquement le châssis support de cabine au moyen de blocs verrouillant les pistes de guidage, et en ce que le fonctionnement de ce dispositif d'arrêt est provoqué par un dispositif de limitation de vitesse comportant des poulies dont la vitesse périphérique est maintenue égale à celle de la cabine au moyen d'un câble fixé en l'un de ses points au châssis support de cabine, le dispositif de limitation provoquant l'actionnement d'un dispositif de parachute quand le câble susmentionné dépasse une valeur de crête prédéterminée en montée ou en descente.
EP00927062A 1999-06-15 2000-04-19 Ascenseur Expired - Lifetime EP1105337B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT1999MI001324A ITMI991324A1 (it) 1999-06-15 1999-06-15 Impianto di sollevamento di persone e cose del tipo a funi di trazione
ITMI991324 1999-06-15
PCT/EP2000/003752 WO2000076898A1 (fr) 1999-06-15 2000-04-19 Ascenseur

Publications (2)

Publication Number Publication Date
EP1105337A1 EP1105337A1 (fr) 2001-06-13
EP1105337B1 true EP1105337B1 (fr) 2002-07-24

Family

ID=11383165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00927062A Expired - Lifetime EP1105337B1 (fr) 1999-06-15 2000-04-19 Ascenseur

Country Status (7)

Country Link
EP (1) EP1105337B1 (fr)
AT (1) ATE221024T1 (fr)
AU (1) AU4557500A (fr)
DE (1) DE60000282D1 (fr)
IT (1) ITMI991324A1 (fr)
PL (1) PL346130A1 (fr)
WO (1) WO2000076898A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1396459B1 (fr) * 2001-06-11 2010-02-17 Mac Puar, S.A. Mise en place d'une machine et d'une structure a l'interieur d'une gaine d'ascenseur
GB2395191B (en) * 2001-11-05 2005-10-19 Otis Elevator Co Traction sheave elevators
ATE520617T1 (de) * 2005-03-01 2011-09-15 Ind Montanesas Electricas Mecanicas S L Maschine, hebesystem und maschinenraumloser aufzug
WO2016207679A1 (fr) * 2015-06-23 2016-12-29 Otis Elevator Company Traction accrue de courroie de système d'ascenseur
WO2018163282A1 (fr) * 2017-03-07 2018-09-13 三菱電機株式会社 Cabine d'ascenseur et châssis de cabine d'ascenseur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE192995T1 (de) * 1994-06-09 2000-06-15 Aldo Loiodice Selbsttragendes aufzugsystem und einbaueinrichtung für dessen hauptmotor
JPH1081463A (ja) * 1996-08-30 1998-03-31 Otis Elevator Co サイドフォーク型エレベーター
DE29718047U1 (de) * 1997-10-10 1999-02-04 Vestner, Paul, 85748 Garching Aufzugsanlage

Also Published As

Publication number Publication date
ATE221024T1 (de) 2002-08-15
ITMI991324A0 (it) 1999-06-15
ITMI991324A1 (it) 2000-12-15
EP1105337A1 (fr) 2001-06-13
DE60000282D1 (de) 2002-08-29
AU4557500A (en) 2001-01-02
PL346130A1 (en) 2002-01-28
WO2000076898A1 (fr) 2000-12-21

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