EP3168181A1 - Système de traction ayant des dimensions réduites pour des ascenseurs - Google Patents

Système de traction ayant des dimensions réduites pour des ascenseurs Download PDF

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Publication number
EP3168181A1
EP3168181A1 EP14853171.8A EP14853171A EP3168181A1 EP 3168181 A1 EP3168181 A1 EP 3168181A1 EP 14853171 A EP14853171 A EP 14853171A EP 3168181 A1 EP3168181 A1 EP 3168181A1
Authority
EP
European Patent Office
Prior art keywords
traction
car
counterweight
cables
pulley
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.)
Granted
Application number
EP14853171.8A
Other languages
German (de)
English (en)
Other versions
EP3168181B1 (fr
EP3168181A4 (fr
Inventor
Jose Manuel FERNANDEZ CORRALES
Jesus RUIZ PEREZ
Hani SALIBA JOSAM
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.)
Mac Puar S A
Mac Puar SA
Original Assignee
Mac Puar S A
Mac Puar SA
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Publication date
Application filed by Mac Puar S A, Mac Puar SA filed Critical Mac Puar S A
Publication of EP3168181A1 publication Critical patent/EP3168181A1/fr
Publication of EP3168181A4 publication Critical patent/EP3168181A4/fr
Application granted granted Critical
Publication of EP3168181B1 publication Critical patent/EP3168181B1/fr
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Anticipated expiration legal-status Critical

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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
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • B66B11/009—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave with separate traction and suspension ropes

Definitions

  • the object of the present invention is a traction system of reduced dimensions for lifts and the like entirely located between one of the shaft walls and the facing wall of the car, without affecting the overhead clearance, or the lower clearance or pit.
  • the special design characteristics of the traction system characterize the present invention making it a traction system which is entirely arranged in a space between one wall of the car and the facing wall of the lift shaft, mounted parallel to both walls, presenting smaller dimensions than those known so far, reaching a depth or total thickness of the order of 14 cm, thus being especially suitable for the installation of lifts in existing buildings with small shafts.
  • the present invention is included in the field of traction systems for lifts and particularly among those which are arranged between the car and one of the walls of the lift shaft way.
  • the aim is to optimize the existing shaft, minimizing the dimensions of the traction system to free as much space as possible for the car.
  • Patents ES2245189 , EP 1,595,840 and JP 2002173281 disclose motorized counterweight traction systems, i.e. bearing the machine on the counterweight. This type of design necessarily involves separate traction and suspension, by definition, as the machine is suspended and located on the counterweight.
  • Patent EP1367017A1 discloses a machine mounted on a counterweight.
  • Patent EP1439145A1 discloses a system that exerts traction directly on the car.
  • Patent EP1595840A1 discloses a brake to control the speed, having no connection with the object now addressed.
  • Patent EP2390221A1 discloses a machine mounted on the counterweight.
  • Patent ES2245189A1 discloses a traction system with the machine as counterweight or on the car.
  • Patent FR2823734A1 discloses a system not related to the object of the invention.
  • Patent JP2002173281A discloses a traction system with the machine on the counterweight.
  • Patent US1071309A discloses a traction system with pulleys arranged with perpendicular axes, thus requiring much floor space.
  • Patent WO03086937A1 discloses a belt tension system with a sort of tensioning pulley.
  • Patent WO9829326A1 discloses a traction system for lifts which does not allow for optimization of the lift shaft.
  • Patent WO2008125704A1 discloses a system with traction on the car
  • Patent WO2013079790A1 discloses a system with traction on the car
  • the object of this invention is to develop a traction system basically achieving to reduce the space required both in floor area and height for the installation of the traction system, allowing an optimization of the surface of the shaft, being a simple system, with reduced installation and maintenance costs, developing a system such as that described below and being reflected in its essence in the first claim.
  • the object of the present invention is a traction system of reduced dimensions for lifts which is entirely installed between the walls of the shaft and car, without affecting the free space above the shaft, known as overhead clearance or the lower clearance of the shaft, known as pit.
  • the traction system is entirely located between the walls of the shaft and the car, the use of the shaft area is maximum, and in addition it requires no special dimensions for overhead clearance and pit, making this an ideal traction system for buildings being refurbished in which the existing shafts were not originally designed to accommodate a lift, as well as for new buildings with special construction requirements.
  • the traction system has a backpack frame, wherein all machinery and guides are on a single side, i.e. in the space between one of the car walls and the facing wall of the shaft, with a design such that the entire traction system has a reduced width, allowing optimal use of the lift shaft.
  • Figure 1 shows the traction system comprising:
  • the motor (1) whose axis is essentially flat directly moves the traction pulley (4)
  • the traction assembly in a second embodiment consists of a motor (1) that drives through a toothed belt (21) a reducer pulley (22) inside which the traction pulley (4) of the lift is located, whereby the motor pulley (1.1) and the traction pulley of the lift (4) are arranged with their axes parallel and taking up the smallest possible width.
  • the belts or cables (7) have a closed loop configuration, which in one possible embodiment, start from a top attachment (9) performed on the cam system (6) responsible for applying the necessary tension to the belts or cables (7). Then, the belts or cables (7) pass through the upper pulley (10) of the counterweight (5) and continue to the traction pulley (4) and then to the return pulley (11) fixed to the lower part of the shaft, running to the lower pulley (12) of the counterweight, finally being attached at its end (13) to the bottom of the shaft.
  • the traction belt as it runs from the traction pulley (4) to the return pulley (11) fixed at the bottom of the lift shaft can run inside the counterweight (5) itself, thus avoiding an increase of the required depth for the traction system.
  • the suspension cables (8) from which the car (14) and counterweight (5) hang are separated into two groups, of at least two cables each, which are fixed on the sides of the car frame and counterweight, next to the guiding elements thereof, and hang from two upper suspension pulleys (8.1) whose axes of rotation are mutually independent.
  • the suspension is performed with two separate cable branches provides two advantages, the first is that the size of the elements can be reduced and located in an optimized manner. The second is the enhanced centring of the car and counterweight hoisting resulting in better performance of the system by lessening friction as compared to a system wherein hoisting is off-centre.
  • the relative floor position of the counterweight and the car is quite centred, resulting in a reduction of the effective floor area required for the lift shaft.
  • Figure 2 shows the relative position of car (14) and the traction system (16) relative to the shaft area (15), wherein the traction system has very small dimensions, which is entirely located between one of the shaft walls and the opposite wall of the car, not directly affecting the overhead clearance or the pit, with a very reduced depth (17) needed to assemble the whole traction system.
  • Figure 3 shows the car guides (19) along which the car runs and the counterweight guides (20), along which the counterweight (5) runs ( figure 1 ), whereby the entire traction system is arranged in the space comprised between the one sides of the car and the facing wall of the lift shaft, with a reduced thickness, and preferably with the axes of the pulleys parallel to each other and perpendicular to the guides, thus permitting as traction means not only traction cables, but also traction belts.
  • Figure 4 shows in better detail the newly referenced elements, namely the brackets (19.1) of the car guides (19) and the brackets (20.1) of the counterweight guides (20).
  • Figure 5 shows the presence of a lower crossbar (5.1) of the counterweight, and onto which the lower pulley (12) of the counterweight is attached.
  • Figure 6 shows the presence of the return pulley (11) fixed to the bottom of the shaft.
  • Figure 7 shows an alternative way of traction transmission as compared to that shown in Figure 1 , and which falls under the same principles of the invention, wherein the traction of a motor (1) is transmitted from the motor pulley (1.1) to a reducer pulley (22) through a toothed belt (21), wherein the motor pulley (4) is inside the reducer pulley (22) with a smaller diameter.
  • the motor pulley (1.1) must be arranged such that its axis is parallel to the reducer pulley (22).
  • the main advantage of this system is the resulting morphology, wherein the engine due to the intermediate reduction, reduces its size and can be placed side-ways, allowing the machine to be seamlessly integrated into the assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP14853171.8A 2014-07-07 2014-07-07 Système de traction ayant des dimensions réduites pour des ascenseurs Active EP3168181B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2014/070549 WO2016005612A1 (fr) 2014-07-07 2014-07-07 Système de traction ayant des dimensions réduites pour des ascenseurs

Publications (3)

Publication Number Publication Date
EP3168181A1 true EP3168181A1 (fr) 2017-05-17
EP3168181A4 EP3168181A4 (fr) 2018-04-25
EP3168181B1 EP3168181B1 (fr) 2019-11-13

Family

ID=55063619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14853171.8A Active EP3168181B1 (fr) 2014-07-07 2014-07-07 Système de traction ayant des dimensions réduites pour des ascenseurs

Country Status (2)

Country Link
EP (1) EP3168181B1 (fr)
WO (1) WO2016005612A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106276521B (zh) * 2016-10-13 2019-06-25 北方民族大学 电梯提升装置及电梯

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US789765A (en) * 1903-01-07 1905-05-16 Otis Elevator Co Rope-drive for elevators.
US810941A (en) * 1903-05-07 1906-01-30 Elevator Securities Company Traction apparatus.
US1071309A (en) 1912-08-09 1913-08-26 Byron R Goggin Elevator-operating mechanism.
JPS5144068U (fr) * 1974-09-30 1976-04-01
DE19507628A1 (de) * 1995-03-04 1996-09-05 Dover Europ Aufzuege Gmbh Aufzug
JP3148755B2 (ja) * 1995-12-11 2001-03-26 三菱電機株式会社 エレベータ装置
AU7403798A (en) 1996-12-30 1998-07-31 Kone Oy Elevator rope arrangement
JP2002173281A (ja) 2000-12-11 2002-06-21 Toshiba Elevator Co Ltd エレベータ
DE60142257D1 (de) 2001-03-08 2010-07-08 Mitsubishi Electric Corp Aufzug
FR2823734B1 (fr) 2001-04-19 2007-04-20 Serge Arnoult Installation d'ascenseur pourvue de moyens d'entrainement et de moyens de suspension independants
ITPD20010237A1 (it) * 2001-10-10 2003-04-10 Giorgio Paccagnella Impianto di sollevamento per persone e/o cose
ATE352512T1 (de) * 2001-11-23 2007-02-15 Inventio Ag Aufzug mit riemenartigem übertragungsmittel, insbesondere mit zahnriemen, als tragmittel und/oder treibmittel
CN1248949C (zh) * 2002-03-06 2006-04-05 三菱电机株式会社 电梯装置
FR2847891A1 (fr) 2002-12-03 2004-06-04 Serge Arnoult Dispositif d'adherence de l'entrainement dans les installations d'ascenseur pourvues de moyens d'entrainement et de suspension independants.
DE10300992A1 (de) 2003-01-14 2004-07-22 Aufzugswerke M. Schmitt & Sohn Gmbh & Co. Aufzug mit getrennter Fahrkorbaufhängung
EP2390221A1 (fr) 2003-02-19 2011-11-30 Mitsubishi Denki Kabushiki Kaisha Ascenseur
ES2245189B1 (es) 2003-07-29 2007-02-16 Autur, S.A. Elevador.
KR100975689B1 (ko) * 2006-06-01 2010-08-12 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
WO2008125704A1 (fr) 2007-04-17 2008-10-23 Dynatech, Dynamics & Technology, S.L. Système d'élévation pour ascenseurs avec séparation de traction et de suspension
FI20116190L (fi) 2011-11-28 2013-05-29 Kone Corp Hissijärjestely ja menetelmä

Also Published As

Publication number Publication date
EP3168181B1 (fr) 2019-11-13
WO2016005612A1 (fr) 2016-01-14
EP3168181A4 (fr) 2018-04-25

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