EP1472170B1 - Ascenseur a poulie motrice - Google Patents

Ascenseur a poulie motrice Download PDF

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Publication number
EP1472170B1
EP1472170B1 EP03704247A EP03704247A EP1472170B1 EP 1472170 B1 EP1472170 B1 EP 1472170B1 EP 03704247 A EP03704247 A EP 03704247A EP 03704247 A EP03704247 A EP 03704247A EP 1472170 B1 EP1472170 B1 EP 1472170B1
Authority
EP
European Patent Office
Prior art keywords
drive unit
rails
friction driven
lift according
driven lift
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
EP03704247A
Other languages
German (de)
English (en)
Other versions
EP1472170A1 (fr
Inventor
Dietmar KÜNTSCHER
Klaus Fichtner
Steffen Mann
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.)
Wittur AG
Original Assignee
Wittur 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 Wittur AG filed Critical Wittur AG
Publication of EP1472170A1 publication Critical patent/EP1472170A1/fr
Application granted granted Critical
Publication of EP1472170B1 publication Critical patent/EP1472170B1/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

Definitions

  • the invention relates to a traction sheave elevator with a car guided between rails, with arranged over corner to the car rails rails for guiding a counter-load, with a set of suspension ropes on which the car and the counterweight are suspended in a loose role and with at least one gearless motor, a traction sheave for the support cables and a brake formed drive unit whose axial length is greater than its diameter, and preferably a counter-disc for a double Tragseilumschlingung the traction sheave.
  • a traction sheave elevator with a counter-disc is known for example from DE 24 41 992 A1, wherein the guide rails are not shown there.
  • the elongated drive unit is placed on the foundation of a machine room arranged on the upper floor of a building, which is sometimes undesirable.
  • the drive unit is disc-shaped and mounted on the longitudinal side of one of the two guide rails of the car or counter-load. This has the effect that the forces acting on the traction sheave vertical forces of the support cables are transferred to the relevant guide rail, which must thus absorb the entire forces.
  • the drive unit is mounted on an auxiliary frame which is screwed to the guide rail with the interposition of vibration damping elements is. The guide rail is thus subjected to bending.
  • a disk-shaped drive unit is carried by a machine bed and arranged above the upper end of one or more guide rails.
  • the suspension load leads to an off-center stress and thus to the bending of the guide rails, which makes a disadvantageous reinforcing element required.
  • a vibration-damped disk-shaped drive unit mounted on a machine bed is arranged between all four guide rails of a lift in a backpack construction.
  • Disc-shaped drive units have the disadvantage over designs with larger axial length and smaller diameter that they have a high moment of inertia and must apply a higher drive torque.
  • the drive unit whose axial length is greater than its diameter, mounted on two additional, parallel spaced support, which are embedded with their ends in the upper shaft walls or superimposed on wall brackets .
  • a carrier is displaceable parallel to itself in such a way that the drive unit can be moved between the two carriers during assembly or disassembly.
  • a further embodiment can be provided to mount the drive unit on support and / or a plate and this to arrange the upper ends of the guide rails of the car and / or the counterweight. As a result, the drive unit projects beyond the guide rails.
  • additional support and / or a plate are required and the drive unit can not be installed after the installation of the guide rails.
  • the car and the counterweight are pulley-free and attached without a pulley.
  • a motor-gear drive unit is arranged on a height equal and in one piece with the floor bottom of the uppermost stop in the shaft projecting concrete base.
  • the disadvantage is due to the protruding concrete base.
  • the invention has for its object to install a gearless traction sheave drive in long construction for lifts with car and Gegenlastaufhfitung in a loose role, so not in backpack suspension, space-saving and little effort machine room between already existing guide rails and thus without adjustment of the elevator in such a way that the existing cable forces bring as possible no bending and torsional forces on the rails and the car frame.
  • the advantages of the invention are that the vertical rope forces can act on the supporting rails so that the gravity line of the vertically attacking rope forces passes through the cross sections of the rail profiles.
  • the rail 2i has a different distance to the rail 3a and 3i with respect to the side wall 1, namely the distance of the rails 3a, 3i to the side wall 1 is less than the distance of the rail 2i to the side wall 1.
  • the car rail 2i and the counter-load rails 3a, 3i are shown in the drawing, in the plan view, the car rails 2a, 2i and the counter-load rail 3a can be seen.
  • the non-visible counter-load rail 3i is shown in dashed lines. It is shorter than the other rails 2a, 2i, 3a.
  • the rails 2i, 3i are referred to as inner rails for simplicity, because they are inside in the imaginary corner, which form the rails, while the so-called outer rails 2a, 3a are located at the outer ends of the imaginary corner.
  • the rails 2a, 2i, 3a, 3i usually have special profiles in T, L or special form for guidance and stabilization tasks. You can either pulled in one piece or z. B. be composed of two individual rails.
  • the counter-load rail 3a and the car rails 2a, 2i are supported vibration-proof at their upper ends to the shaft ceiling or shaft wall.
  • a drive unit 4 in long construction consisting of at least one gearless motor 4a, a traction sheave 4b and a brake 4c, is in the example in the upper region of the rails 2a, 2i, 3a, 3i in a horizontal position and parallel or arranged obliquely to the side wall 1 so that the drive unit 4 is located in the clear space between the rails 2i, 3a.
  • the attachment of the drive unit 4 takes place on the inner car rail 2i and the outer counter-load rail 3a. Accordingly, the gravity line 19 of the sum of the attacking vertical forces of the support cables through the area formed by the cross sections of the rail profiles of the rails 2i, 3a. This area is shown in dashes. This has the great advantage that the rails 2i and 3a substantially only vertically, so in rail longitudinal axis, are loaded and can not be held on bending or torsion and therefore relatively slim and thus low in material.
  • the center of gravity of the sum of the attacking vertical suspension rope forces is shown in FIG. 1, for example, at the point F, which marks the center of the attacking vertical forces.
  • the traction cable forces are derived in the foundation of a shaft pit, not shown.
  • the drive unit 4 is arranged self-supporting between the two rails 2i, 3a.
  • the self-supporting embodiment there is no direct connection between the inner car rail 2i and the outer counter load rail 3a.
  • the drive unit 4 assumes the function of a connection carrier. This is shown schematically in the side views according to FIGS. 1 and 3.
  • the drive unit 4 can also be placed on a subcarrier 5 and this subcarrier 5 is fastened between the two rails 2i and 3a.
  • bearing blocks 6, 7 are attached to the rails 2i, 3a according to FIGS.
  • the bearing blocks 6, 7 consist in known manner of support structures which are screwed or welded to the rails 2i, 3a.
  • the two support elements 16, 17 may advantageously also be part of the self-supporting drive unit 4 or, according to a variant shown in more detail in FIG. 3, form a single, continuous support plate 4d fixedly connected to the drive unit 4.
  • the support member 16 is torsionally rigid via a torque support 10 attached to the car rail 2i.
  • the torque arm 10 is located adjacent to the car rail 2i, with rubber pads 11, 12 providing elastic attachment to the car rail 2i and the drive unit 4.
  • one of the bearing blocks 6, 7 or form both bearing blocks 6, 7 directly from a torque support for the drive unit 4.
  • the car and the counterweight are connected to each other in a "loose-roll suspension" via a set of suspension ropes, not shown.
  • a set of suspension ropes not shown.
  • the carrying ropes come from below coming over the traction sheave 4b, further around a counter disc 13 and again back to the traction sheave 4b, they wrap around again and only then run down again.
  • a large wrap angle is particularly important for smaller diameter traction sheaves to increase the driving or braking force.
  • a small traction sheave has the advantage that the drive torque is small and thinner ropes can be selected. With the choice of several thin ropes, the operational reliability increases at the same time. In addition, the fictitious surface pressure between the ropes and the traction sheave is reduced due to the increased rope surface.
  • the counter-disk 13 is fastened in the example of FIG. 1 via a holder 14 on the drive unit 4 itself or on the carrier element 16.
  • One end of the suspension cable set is suspended in a suspension 15.
  • the suspension is expediently attached to the underside of the drive unit 4 or to the carrier element 17.
  • the assembly of the drive unit 4 with fixed rails 2a, 2i, 3a, 3i can be done from the inside of the shaft or from the outside.
  • the drive unit 4 only needs to be set to the bearing blocks 6, 7.
  • the existing free spaces between the suspension 15 for the suspension cables and the holder 14 for the counter-disc 13 and between the side wall 1 of the shaft, the inner car rail 2i and the inner counter-rail 3i can be used advantageously for peripheral drive devices, such as a terminal box, an inverter, a brake control device and / or an external ventilation device.
  • peripheral drive devices such as a terminal box, an inverter, a brake control device and / or an external ventilation device.
  • the drive unit 4 is not self-supporting mounted between the outer counter-load rail 3a and the inner car rail 2i, but sits on a subcarrier 5. This is placed on the rubber plates 8, 9 on the bearing blocks 6, 7.
  • the brake device 4c is located on the side of the motor 4a.
  • the traction sheave 4b of the drive unit 4 is cantilevered, which facilitates inter alia the laying of the cables.
  • the bearing block 7 and the suspension 15 for the support cables are summarized in contrast to the example of FIG. 1 to a single component, and the holder 14 for the counter-disc 13 is attached to the sub-carrier 5 and not to the drive unit 4.
  • the drive unit 4 sits self-supporting between the outer counter-load rail 3a and the inner car rail 2i on the equipped with rubber parts 8, 9 bearing blocks 6, 7 of the rails 3a, 2i.
  • the holder 14 for the counter-disc 13 and the suspension cable suspension 15 are fixed to the underside of the support plate 4 d of the drive unit 4.
  • the suspension cable suspension 15 could also be attached to the bearing block 7 or be designed in one piece with the bearing block 7.
  • One of the bearing blocks 6, 7 or both bearing blocks 6, 7 additionally assume the function of the torque support for the drive unit 4.
  • the traction sheave elevator can also be designed without a counter disk 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Types And Forms Of Lifts (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Operated Clutches (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Claims (10)

  1. Ascenseur à poulie motrice comportant une cabine d'ascenseur guidé entre des rails, des rails en angle par rapport aux rails de cabine d'ascenseur pour le guidage d'une contre-poids, un jeu de câbles porteurs sur lesquels sont suspendues la cabine d'ascenseur et le contre-poids en roulage libre, et une unité d'entraînement composée d'au moins un moteur sans engrenage, d'une poulie motrice pour les câbles porteurs et d'un frein, la longueur axiale de l'unité étant supérieure à son diamètre, avec de préférence une contre-poulie pour un double mouflage de la poulie motrice par les câbles porteurs,
    caractérisé en ce que
    l'unité d'entraînement (4) est fixée uniquement d'une part au rail de cabine d'ascenseur intérieur (2i) et d'autre part au rail de contre-charge extérieur (3a), et l'unité d'entraînement (4) est située dans l'espace libre entre ces deux rails (2i, 3a).
  2. Ascenseur à poulie motrice selon la revendication 1,
    caractérisé en ce que
    le centre de gravité (19) de la somme des forces verticales exercées par les câbles porteurs traverse la zone définie par les sections transversales des profils des deux rails (2i, 3a).
  3. Ascenseur à poulie motrice selon la revendication 2,
    caractérisé en ce que
    la somme des forces verticales exercées des câbles porteurs est déviée par les deux rails (2i, 3a) dans la base d'une cage.
  4. Ascenseur à poulie motrice selon la revendication 2,
    caractérisé en ce que
    la somme des forces verticales exercées des câbles porteurs est déviée par une construction d'appui sur une ou plusieurs faces latérales de la cage.
  5. Ascenseur à poulie motrice selon la revendication 1,
    caractérisé en ce que
    l'unité d'entraînement (4) est autoporteuse et disposée sur des supports de palier (6, 7) entre les deux rails (2i, 3a).
  6. Ascenseur à poulie motrice selon la revendication 5,
    caractérisé en ce qu'
    un support de palier (6, 7) ou deux supports de palier (6, 7) forment directement un appui de couple de rotation pour l'unité d'entraînement (4).
  7. Ascenseur à poulie motrice selon la revendication 1,
    caractérisé en ce que
    l'unité d'entraînement (4) est disposée sur un support auxiliaire (5) entre les deux rails (2i, 3a).
  8. Ascenseur à poulie motrice selon la revendication 1,
    caractérisé en ce que
    l'unité d'entraînement (4) est disposée sur des éléments porteurs (16, 17) et les éléments porteurs (16, 17) sont fixés en rotation aux rails (2i, 3a) par un appui de couple de rotation (10) et articulés grâce à l'insertion d'éléments d'amortissement (8, 9).
  9. Ascenseur à poulie motrice selon la revendication 1,
    caractérisé en ce que
    l'unité d'entraînement (4) est munie d'un dispositif de logement (15) pour les câbles porteurs, fixé directement à l'unité d'entraînement autoporteuse (4), à un élément de support (17) ou à un support de palier (7).
  10. Ascenseur à poulie motrice selon la revendication 1,
    caractérisé en ce que
    l'unité d'entraînement (4) est disposée dans la zone de l'arrêt supérieur ou dans la tête de la cage, et pour des installations d'entraînement périphériques on utilise les espaces libres entre la suspension (15) pour les câbles porteurs et une console (14) pour la contre-poulie (13), ainsi qu'entre la paroi latérale (1) de la cage, le rail de cabine d'ascenseur intérieur (2i) et le rail de contre-poids intérieur (3i).
EP03704247A 2002-02-07 2003-01-25 Ascenseur a poulie motrice Expired - Lifetime EP1472170B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10205170 2002-02-07
DE10205170A DE10205170B4 (de) 2002-02-07 2002-02-07 Treibscheibenaufzug
PCT/DE2003/000202 WO2003066498A1 (fr) 2002-02-07 2003-01-25 Ascenseur a poulie motrice

Publications (2)

Publication Number Publication Date
EP1472170A1 EP1472170A1 (fr) 2004-11-03
EP1472170B1 true EP1472170B1 (fr) 2007-01-24

Family

ID=27634802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03704247A Expired - Lifetime EP1472170B1 (fr) 2002-02-07 2003-01-25 Ascenseur a poulie motrice

Country Status (7)

Country Link
EP (1) EP1472170B1 (fr)
CN (1) CN1266020C (fr)
AT (1) ATE352511T1 (fr)
AU (1) AU2003206638A1 (fr)
DE (2) DE10205170B4 (fr)
ES (1) ES2277059T3 (fr)
WO (1) WO2003066498A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502004002404D1 (de) * 2003-10-13 2007-02-01 Wittur Ag Antriebssystem für enge triebwerksräume
DE10348151A1 (de) * 2003-10-13 2005-05-19 Wittur Ag Antriebssystem für enge Triebwerksräume
FI20031718A0 (fi) 2003-11-24 2003-11-24 Kone Corp Hissin ripustusjärjestely
DE102005002607A1 (de) * 2005-01-20 2006-08-10 System Antriebstechnik Dresden Gmbh Treibscheibenaufzug
ES2371919T3 (es) * 2005-03-01 2012-01-11 Industrias Montañesas Eléctricas Mecánicas, S.L. Máquina, sistema elevador y ascensor sin cuarto de máquinas.

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5048646A (fr) * 1973-09-07 1975-04-30
FI95689C (fi) * 1994-06-23 1996-03-11 Kone Oy Hissikoneisto
FI96198C (fi) * 1994-11-03 1996-05-27 Kone Oy Vetopyörähissi
US5899300A (en) * 1996-12-20 1999-05-04 Otis Elevator Company Mounting for an elevator traction machine
DE19712646C2 (de) * 1997-03-26 2000-07-13 Heinzerling Gmbh Seilaufzug
CN1097026C (zh) * 1997-09-26 2002-12-25 东芝株式会社 电梯
CZ291883B6 (cs) * 1997-12-23 2003-06-18 Inventio Ag Lanový výtah s hnacím kotoučem
FI111622B (fi) * 1999-01-27 2003-08-29 Kone Corp Vetopyörähissi ja taittopyörän käyttö
DE60041991D1 (de) * 2000-05-26 2009-05-20 Mitsubishi Electric Corp Aufzugsvorrichtung
DE20021886U1 (de) * 2000-12-23 2001-03-15 Ziehl-Abegg GmbH & Co KG, 74653 Künzelsau Treibscheibenaufzug mit einer Aufzugskabine in Rucksack-Bauweise

Also Published As

Publication number Publication date
CN1266020C (zh) 2006-07-26
WO2003066498A1 (fr) 2003-08-14
DE10205170B4 (de) 2005-07-21
AU2003206638A1 (en) 2003-09-02
DE10205170A1 (de) 2003-08-28
CN1518519A (zh) 2004-08-04
ES2277059T3 (es) 2007-07-01
DE50306373D1 (de) 2007-03-15
ATE352511T1 (de) 2007-02-15
EP1472170A1 (fr) 2004-11-03

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