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EP1428784A2 - Aufzugsanlage ohne Maschinenraum, mit Riemen- und/oder Kettenantrieb - Google Patents

Aufzugsanlage ohne Maschinenraum, mit Riemen- und/oder Kettenantrieb Download PDF

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Publication number
EP1428784A2
EP1428784A2 EP20030078602 EP03078602A EP1428784A2 EP 1428784 A2 EP1428784 A2 EP 1428784A2 EP 20030078602 EP20030078602 EP 20030078602 EP 03078602 A EP03078602 A EP 03078602A EP 1428784 A2 EP1428784 A2 EP 1428784A2
Authority
EP
European Patent Office
Prior art keywords
elevator
motor
elevator according
counterweight
driving unit
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.)
Withdrawn
Application number
EP20030078602
Other languages
English (en)
French (fr)
Inventor
Aldo Loiodice
Gino Loiodice
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.)
Bravo Srl
Original Assignee
Bravo Srl
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
Priority claimed from ITMI20022456 external-priority patent/ITMI20022456A1/it
Priority claimed from IT001124A external-priority patent/ITMI20031124A1/it
Application filed by Bravo Srl filed Critical Bravo Srl
Publication of EP1428784A2 publication Critical patent/EP1428784A2/de
Withdrawn legal-status Critical Current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
    • B66B11/001—Arrangement of controller, e.g. location
    • B66B11/002—Arrangement of controller, e.g. location 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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0469—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with chain, pinion gear
    • 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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
    • B66B11/0476—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with friction gear, e.g. belt linking motor to sheave

Definitions

  • the present invention is about an elevator without the machine room having considerable innovative characteristics.
  • the main factors to respect to satisfy these requirements are to support the traction machinery on the elevator car and/or counterweight guides, and to use a fast and small motor, and therefore of reduced cost.
  • the elevator system is shown in its direct drive version 1:1, but it can also be used in suspension in 2:1, 3:1 or 4:1 ratio.
  • the elevator car 12 travels across guide rails 14, while the counterweight 16 travels across counterweight rails 18.
  • the elevator car 12 has its car door 20 obviously turned towards the floor's door 22, but it is possible to have up to three car doors.
  • the entire elevator system is self-bearing, since both the traction machinery and the control board 24 are supported and fixed to the elevator car guide rails 14 (but it is also possible to fix them to the counterweight rails 18) through beams 26 and 28.
  • To the upper beam 26 the control board 24 is fixed and the motor 30 is suspended through tie-rods 32.
  • the motor 30 can be of the permanent magnet type, brushless, or of the asynchronous type and even gearless.
  • the control board 24, arranged in the elevator shaft allows to reduce the number of devices placed into the required external control board, and therefore its overall dimensions.
  • the traction machinery By means of the supporting frame 34, on the lower beam 28 the traction machinery is mounted, comprising the traction sheave 36, the brake 38 and the driving sheave 40, which receives motion from the motor's 30 driven sheave 41 through a reduction unit, comprising a double intermediate sheave 42A, 42B (Fig. 2 and 4).
  • a reduction unit comprising a double intermediate sheave 42A, 42B (Fig. 2 and 4).
  • the motor 30, if of permanent magnet type, has also the generator function, to recover energy when the unbalance between elevator car and counterweight is such that torque is not required from the motor, but the motor must exert a braking couple.
  • the recovered energy can also be stored in storage buffer battery floating with the power supply and with the motor's recovering circuit, so with low power employed and absolute safety in case of energy cut-off, very useful to return to the floor, especially for hospitals and other essential public and/or private services.
  • the emergency or rescue handling can be provided by an auxiliary motor or by a coaxial spare motor for the main one, suitable for moving the elevator car in emergency situations, in case of failure, breakdown or even in case of energy cut-off.
  • Essential feature is that the auxiliary or spare motor 30A, or the second motor 30B, are coaxial with the main motor, to be connected to the reduction unit and to the electromagnetic brake, without requesting further transmission elements.
  • the auxiliary motor shall be asynchronous, or brushless of permanent magnet type, or of other type, however suitable for moving the elevator system, fed by battery and/or inverter.
  • the driving unit is substantially placed inside the space extension overhead of the elevator shaft required for the counterweight, safety distance included, in direction of the counterweight thickness.
  • a control panel is combined with the driving unit, including motor and controls power supply equipments, which operate the traction sheave, being this control panel preferably integrated with the driving unit.
  • the driving unit although keeping all the elevator system characteristics mentioned above, can exceed the counterweight thickness and can also be fixed to a shaft wall and/or ceiling.
  • the counterweight suspension can also be of different type from the elevator car's one.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP20030078602 2002-11-19 2003-11-12 Aufzugsanlage ohne Maschinenraum, mit Riemen- und/oder Kettenantrieb Withdrawn EP1428784A2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ITMI20022456 ITMI20022456A1 (it) 2002-11-19 2002-11-19 Ascensore senza locale macchina
ITMI20022456 2002-11-19
IT001124A ITMI20031124A1 (it) 2003-06-04 2003-06-04 Sistema di movimentazione di emergenza per impianti di
ITMI20031124 2003-06-04

Publications (1)

Publication Number Publication Date
EP1428784A2 true EP1428784A2 (de) 2004-06-16

Family

ID=32328194

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20030078602 Withdrawn EP1428784A2 (de) 2002-11-19 2003-11-12 Aufzugsanlage ohne Maschinenraum, mit Riemen- und/oder Kettenantrieb

Country Status (1)

Country Link
EP (1) EP1428784A2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1760028A1 (de) * 2005-09-06 2007-03-07 Elex Italia S.r.l. Hebeeinrichtung ohne Maschinenraum für Personen und Gütern.
EP1935829A1 (de) * 2006-12-21 2008-06-25 Inventio Ag Aufzug mit zwei übereinander liegenden Aufzugskabinen in einem Schacht
WO2010065039A3 (en) * 2008-12-05 2010-09-23 Otis Elevator Company Elevator system including control electronics supported on an elevator machine support

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1760028A1 (de) * 2005-09-06 2007-03-07 Elex Italia S.r.l. Hebeeinrichtung ohne Maschinenraum für Personen und Gütern.
EP1935829A1 (de) * 2006-12-21 2008-06-25 Inventio Ag Aufzug mit zwei übereinander liegenden Aufzugskabinen in einem Schacht
EP1935830A1 (de) * 2006-12-21 2008-06-25 Inventio Ag Aufzug mit zwei übereinander liegenden Aufzugskabinen in einem Schacht
WO2010065039A3 (en) * 2008-12-05 2010-09-23 Otis Elevator Company Elevator system including control electronics supported on an elevator machine support
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

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