EP0719724B2 - Traction sheave elevator and machine space for a traction sheave elevator - Google Patents

Traction sheave elevator and machine space for a traction sheave elevator Download PDF

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Publication number
EP0719724B2
EP0719724B2 EP19950120246 EP95120246A EP0719724B2 EP 0719724 B2 EP0719724 B2 EP 0719724B2 EP 19950120246 EP19950120246 EP 19950120246 EP 95120246 A EP95120246 A EP 95120246A EP 0719724 B2 EP0719724 B2 EP 0719724B2
Authority
EP
European Patent Office
Prior art keywords
elevator
space
traction sheave
shaft
machine
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
EP19950120246
Other languages
German (de)
French (fr)
Other versions
EP0719724A1 (en
EP0719724B1 (en
Inventor
Esko Aulanko
Harri Hakala
Jorma Mustalahti
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.)
Kone Corp
Original Assignee
Kone Corp
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Filing date
Publication date
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Application filed by Kone Corp filed Critical Kone Corp
Publication of EP0719724A1 publication Critical patent/EP0719724A1/en
Application granted granted Critical
Publication of EP0719724B1 publication Critical patent/EP0719724B1/en
Publication of EP0719724B2 publication Critical patent/EP0719724B2/en
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
    • B66B11/04—Driving gear ; Details thereof, e.g. seals
    • B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
    • 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 present invention relates to a traction sheave elevator as defined in the preamble of claim 1.
  • a traction sheave elevator and a machine space for a traction sheave elevator are presented as an invention.
  • the traction sheave elevator of the invention is characterized by what is presented in the characterization part of claim 1.
  • Other embodiments of the invention are characterized by what is presented in the other claims.
  • FIG. 1 represents a cabinet type machine space 9 of a traction sheave elevator as may be provided by the invention.
  • This figure shows the hoisting unit of a traction sheave elevator with machinery below, placed in a machine space 9, with hoisting ropes 3 going up from the traction sheave 7 of the hoisting machine 6.
  • the hoisting machine 6 is mounted on the frame 20 of the machine space, which also forms the frame of the hoisting unit.
  • Mounted on the frame 20 is also an instrument panel 8, which contains the elevator control equipment and the equipment required for the control of and supply of power to the electromotor comprised in the hoisting machine 6.
  • the hoisting machine 6 is discoidal in shape and, in relation to its diameter, rather flat in the axial direction of the traction sheave.
  • the traction sheave protrudes from discoidal hoisting machine 6.
  • This type of elevator machinery does not require a large machine space, so it can easily be placed in a cut-out in a shaft wall facing to the shaft, or in the elevator shaft between a shaft wall and the space required by the elevator car or an extension of said space.
  • the machine space 9 may be assembled in advance, and it can contain a hoisting machine and/or other equipment installed in factory. It is also possible to assemble the machine space on site. At least part of the wall of the cabinet-like machine space is preferably made of transparent material, making it possible to visually observe the operation of the machinery e.g. during servicing without opening a door or hatch leading to the machine space.
  • Fig. 2 shows a diagram representing an elevator with machinery above, implemented according to the invention.
  • the machine space 109 is located in the upper part of the elevator shaft 117, extending partly into the shaft wall in the form of a cut-out 110.
  • the elevator machinery 106 is placed partly in the cut-out 110 in the wall 115 of the elevator shaft 117.
  • the cut-out is open on the side facing to the shaft, but closed with a door 116 from the outside of the shaft.
  • Protruding from the hoisting machine 106 into the shaft 117 is a traction sheave 107, which drives the hoisting ropes 103 (represented by dotted dashed lines).
  • the figure shows the portion of the hoisting ropes that goes round the diverting pulleys 104,105 under the elevator car 101 and the portion going from the traction sheave towards the counterweight.
  • the machine space 109 is separated from the shaft 117 by a wall 114 that covers the cut-out 110 on the side facing to the shaft.
  • the wall is provided with an opening for the traction sheave 107, leading from the machine space 109 into the rest of the shaft space.
  • Placed in the machine space is also an instrument panel 108.
  • the instrument panel is preferably placed in its own cabinet or otherwise separated from the rest of the machine space. To damp the noise generated by the machinery, it is advantageous to line the machine space with noise absorbing material, e.g. felt board or the like.
  • the wall separating the machine space from the rest of the shaft can be provided with other openings besides those needed to provide access to the machine space and lead-throughs for parts of the elevator system.
  • the machine space need only protect persons and/or prevent passage between the machine space and the rest of the shaft space, in which case a machine space formed by a railing or the like and having no top cover may be sufficient to achieve the desired effect.
  • an elevator with machinery above and an elevator with machinery below can be implemented using the machine space placed in a cut-out in a shaft wall, and that it is likewise possible to use a cabinet type machine space in the case of an elevator with machinery above as well as an elevator with machinery below.

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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)

Description

The present invention relates to a traction sheave elevator as defined in the preamble of claim 1.
One of the objectives in elevator development work has been to achieve an economic and efficient use of building space. Document DE-U-7395 discloses a traction sheave elevator with external machine room, wherein the machinery is placed with its upper most part within the shaft cross section. Aiming at efficient and economic systems, the applicant's previous Finnish patent applications no. 932975 priority document of EP-A 631 968, 941719, 942062 priority document of EP-A 680 920 as well as the European Patent present elevator solutions in which the machinery is placed in the shaft space or in a shaft wall without an external machine room or equivalent. However, for reasons of safety or other circumstances prevailing in the shaft, it is sometimes necessary to isolate the machine space from the elevator shaft. Especially in the case of fast elevators, it is necessary to prevent the propagation of noise generated by the hoisting machinery and traction sheave rope contact. The solutions presented in the applications mentioned above are advantageous in respect of elevator construction, but in themselves they are not always fully protected against dirt and dust that may be present in the shaft. Also, the question of preventing passage between the machine space and the rest of the shaft space has received little attention in them.
To meet the needs described above and to achieve a reliable elevator construction that is advantageous in respect of both economy and space utilization and whose space requirement in the building is substantially limited to the space required by the elevator car and counterweight on their paths, including safety distances, and by the passage of the hoisting ropes, a traction sheave elevator and a machine space for a traction sheave elevator are presented as an invention.
The traction sheave elevator of the invention is characterized by what is presented in the characterization part of claim 1. Other embodiments of the invention are characterized by what is presented in the other claims.
The advantages provided by the invention include the following:
  • The hoisting machinery and associated equipment, placed in the shaft, are protected against any dirt and dust that may be present in the shaft space.
  • Illicit access to the hoisting machinery and associated equipment from the shaft is prevented. Likewise, access from the machine space, to the rest of the shaft can be prevented.
  • The traction sheave elevator of the invention allows an obvious space saving in the building as no separate machine room outside the shaft is needed.
  • The elevator is advantageous to install as the machine space and its equipment can be largely assembled and tested beforehand in factory.
  • Being separated from the shaft space, the machine space damps noise proceeding from the hoisting machinery.
  • Practical application of the invention does not require any big changes in the design and manufacture of the elevator.
  • The machinery and instrument panel can be easily accessed, so that, as regards maintenance and rescuing, accessing the machinery is not substantially different from conventional elevators.
In the following, the invention is described by the aid of an application example by referring to the attached drawings, in which
Fig. 1
presents a diagram representing a machine space as may be applied in the invention, and
Fig. 2
presents an elevator with machinery above, implemented according to the invention.
The diagram in Fig. 1 represents a cabinet type machine space 9 of a traction sheave elevator as may be provided by the invention. This figure shows the hoisting unit of a traction sheave elevator with machinery below, placed in a machine space 9, with hoisting ropes 3 going up from the traction sheave 7 of the hoisting machine 6. The hoisting machine 6 is mounted on the frame 20 of the machine space, which also forms the frame of the hoisting unit. Mounted on the frame 20 is also an instrument panel 8, which contains the elevator control equipment and the equipment required for the control of and supply of power to the electromotor comprised in the hoisting machine 6. The hoisting machine 6 is discoidal in shape and, in relation to its diameter, rather flat in the axial direction of the traction sheave. The traction sheave protrudes from discoidal hoisting machine 6. This type of elevator machinery does not require a large machine space, so it can easily be placed in a cut-out in a shaft wall facing to the shaft, or in the elevator shaft between a shaft wall and the space required by the elevator car or an extension of said space. The machine space 9 may be assembled in advance, and it can contain a hoisting machine and/or other equipment installed in factory. It is also possible to assemble the machine space on site. At least part of the wall of the cabinet-like machine space is preferably made of transparent material, making it possible to visually observe the operation of the machinery e.g. during servicing without opening a door or hatch leading to the machine space.
Fig. 2 shows a diagram representing an elevator with machinery above, implemented according to the invention. The machine space 109 is located in the upper part of the elevator shaft 117, extending partly into the shaft wall in the form of a cut-out 110. The elevator machinery 106 is placed partly in the cut-out 110 in the wall 115 of the elevator shaft 117. The cut-out is open on the side facing to the shaft, but closed with a door 116 from the outside of the shaft. Protruding from the hoisting machine 106 into the shaft 117 is a traction sheave 107, which drives the hoisting ropes 103 (represented by dotted dashed lines). The figure shows the portion of the hoisting ropes that goes round the diverting pulleys 104,105 under the elevator car 101 and the portion going from the traction sheave towards the counterweight. The machine space 109 is separated from the shaft 117 by a wall 114 that covers the cut-out 110 on the side facing to the shaft. The wall is provided with an opening for the traction sheave 107, leading from the machine space 109 into the rest of the shaft space. Placed in the machine space is also an instrument panel 108. The instrument panel is preferably placed in its own cabinet or otherwise separated from the rest of the machine space. To damp the noise generated by the machinery, it is advantageous to line the machine space with noise absorbing material, e.g. felt board or the like.
It is obvious to a person skilled in the art that different embodiments of the invention are not restricted to the example presented above, but that they may instead be varied in the scope of the following claims. For instance, the wall separating the machine space from the rest of the shaft can be provided with other openings besides those needed to provide access to the machine space and lead-throughs for parts of the elevator system. It is also obvious to the skilled person that in a clean elevator shaft the machine space need only protect persons and/or prevent passage between the machine space and the rest of the shaft space, in which case a machine space formed by a railing or the like and having no top cover may be sufficient to achieve the desired effect. It is further obvious to the skilled person that an elevator with machinery above and an elevator with machinery below can be implemented using the machine space placed in a cut-out in a shaft wall, and that it is likewise possible to use a cabinet type machine space in the case of an elevator with machinery above as well as an elevator with machinery below.
It is also obvious to the skilled person that it must preferably be possible to access the inside of the machine space without hindrance from the counterweight or elevator car in any position on their paths. In cases where passage or access to a machine space placed inside the building space required by the shaft space and shaft wall structures together is not effected via a separate opening in a shaft wall leading out of the shaft or e.g. via a hatch provided beside the door, it will be preferable to make such arrangements regarding placement of the parts, opening direction of the aperture for passage or access etc. that the machinery and associated equipment can always be accessed by service personnel.

Claims (7)

  1. Traction sheave elevator comprising an elevator car (101) moving along elevator guide rails, a counterweight moving along counterweight guide rails, a set of hoisting ropes (103) on which the elevator car and the counterweight are suspended in the elevator shaft (117) and a drive machine unit (106) driving a traction sheave (107) connected to the drive machine unit (106) and acting on the hoisting ropes (103),
    characterized in that
    the drive machine unit (106) is placed in a machine space (109) provided in the elevator shaft (117) and its shaft wall (115) so as to lie completely on the same side of the elevator shaft wall surface facing outwards from the elevator shaft as the elevator shaft itself, said machine space being provided for taking up the drive machine unit (106) or the drive unit (106) and its instrument panel (108) and being substantially separated with a wall (114) from the rest of the shaft space, and
    that the machine space extends partly into the shaft wall in the form of a cut-out.
  2. Traction sheave elevator according to claim 1, characterized in that the machine space (109) is located in the lower part of the elevator shaft (117).
  3. Traction sheave elevator according to claim 1, characterized in that the machine space (109) is located in the upper part of the elevator shaft (117).
  4. Traction sheave elevator according to any one of the preceding claims, characterized in that the machine space (109) is located between a wall (115) of the elevator shaft and the space required by the elevator car (101) on its path or an extension of this space.
  5. Traction sheave elevator according to any one of the preceding claims, characterized in that the machine space (109) is a cabinet type structure.
  6. Traction sheave elevator according to any one of the preceding claims, characterized in that the machine space (109) contains a space required for the instrument panel (108) of the elevator, separated from the space needed for the drive machine (106).
  7. Traction sheave elevator according to any one of the preceding claims, characterized in that the machine space (109) is lined with noise absorbing material.
EP19950120246 1994-12-28 1995-12-21 Traction sheave elevator and machine space for a traction sheave elevator Expired - Lifetime EP0719724B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI946143A FI98296C (en) 1994-12-28 1994-12-28 Traction elevator and traction elevator engine room
FI946143 1994-12-28

Publications (3)

Publication Number Publication Date
EP0719724A1 EP0719724A1 (en) 1996-07-03
EP0719724B1 EP0719724B1 (en) 2000-11-08
EP0719724B2 true EP0719724B2 (en) 2005-08-31

Family

ID=8542074

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19950120246 Expired - Lifetime EP0719724B2 (en) 1994-12-28 1995-12-21 Traction sheave elevator and machine space for a traction sheave elevator

Country Status (5)

Country Link
EP (1) EP0719724B2 (en)
JP (1) JP2877745B2 (en)
CN (1) CN1155501C (en)
DE (2) DE719724T1 (en)
FI (1) FI98296C (en)

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EP0847955A1 (en) * 1996-12-13 1998-06-17 Inventio Ag Lift equipment
DE29704886U1 (en) * 1997-03-20 1997-05-15 Boll Rainer Elevator
DE19718626C1 (en) * 1997-05-02 1999-01-21 Thyssen Aufzuege Gmbh Rope driven elevator
US7874404B1 (en) 1998-09-29 2011-01-25 Otis Elevator Company Elevator system having drive motor located between elevator car and hoistway sidewall
US7299896B1 (en) 1998-09-29 2007-11-27 Otis Elevator Company Elevator system having drive motor located adjacent to hoistway door
ES2272055T3 (en) * 1998-02-26 2007-04-16 Otis Elevator Company ELEVATOR SYSTEM THAT HAS THE DRIVE MOTOR SITUATED BETWEEN THE ELEVATOR HOOD AND THE SIDE WALL OF THE ELEVATOR BOX.
US6247557B1 (en) 1998-04-28 2001-06-19 Kabushiki Kaisha Toshiba Traction type elevator apparatus
EP1016614B1 (en) * 1998-07-16 2004-09-22 Mitsubishi Denki Kabushiki Kaisha Controller for elevators
JP3528668B2 (en) * 1999-03-24 2004-05-17 株式会社日立製作所 Elevator control device
US6095288A (en) * 1999-04-22 2000-08-01 Otis Elevator Company Pit-less elevator
JP2001039643A (en) * 1999-08-03 2001-02-13 Teijin Seiki Co Ltd Elevator
EP1081086B1 (en) * 1999-08-19 2005-10-12 Inventio Ag Liftarrangement with a drive unit positioned in the liftshaft
ATE306455T1 (en) 1999-08-19 2005-10-15 Inventio Ag ELEVATOR SYSTEM WITH A DRIVE UNIT ARRANGE IN AN ELEVATOR SHAFT
ES2156833B1 (en) * 1999-10-15 2002-04-01 Autur S A IMPROVED ELEVATOR.
DE69942377D1 (en) * 1999-12-06 2010-06-24 Mitsubishi Electric Corp winder
AUPQ488799A0 (en) * 1999-12-24 2000-02-03 Liftronic Pty Ltd Pocket motor room for lift machinery
US7178636B2 (en) 2003-03-25 2007-02-20 Mitsubishi Denki Kabushiki Kaisha Elevator system
JP3509727B2 (en) * 2000-09-19 2004-03-22 三菱電機株式会社 Elevator equipment
ITMI20012558A1 (en) 2001-12-04 2003-06-04 L A Consulting S A S Di Sara F LIFT WITH GUIDED CABIN IN A RUNNING ROOM, WITHOUT MACHINE ROOM
JP3585906B2 (en) * 2002-12-27 2004-11-10 三菱電機株式会社 Elevator equipment
ATE319645T1 (en) * 2003-12-23 2006-03-15 Thyssenkrupp Aufzugswerke Gmbh DRIVE FOR ELEVATORS
DE102005002607A1 (en) * 2005-01-20 2006-08-10 System Antriebstechnik Dresden Gmbh Elevator, with a cabin riding between guide rails, has the machine and emergency brake in a cube structure mounted at the top of the shaft with an angle carrier at the shaft wall and roof
JP4770303B2 (en) * 2005-07-12 2011-09-14 三菱電機株式会社 Elevator equipment
KR101022798B1 (en) * 2010-07-01 2011-03-17 새한엘리베이터 주식회사 Elevator having a small size machine room structure

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JPH0336184A (en) * 1989-06-30 1991-02-15 Toshiba Corp Home elevator
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JP3152034B2 (en) * 1993-10-28 2001-04-03 三菱電機株式会社 Traction sheave type elevator device

Also Published As

Publication number Publication date
DE69519364T3 (en) 2006-05-11
EP0719724A1 (en) 1996-07-03
FI946143A0 (en) 1994-12-28
JP2877745B2 (en) 1999-03-31
JPH08231163A (en) 1996-09-10
FI98296B (en) 1997-02-14
CN1133261A (en) 1996-10-16
FI946143A (en) 1996-06-29
DE69519364D1 (en) 2000-12-14
DE69519364T2 (en) 2001-03-29
DE719724T1 (en) 1998-04-30
EP0719724B1 (en) 2000-11-08
FI98296C (en) 1997-05-26
CN1155501C (en) 2004-06-30

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