EP2108610A1 - Maschinenraumloser Aufzug - Google Patents

Maschinenraumloser Aufzug Download PDF

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Publication number
EP2108610A1
EP2108610A1 EP09007870A EP09007870A EP2108610A1 EP 2108610 A1 EP2108610 A1 EP 2108610A1 EP 09007870 A EP09007870 A EP 09007870A EP 09007870 A EP09007870 A EP 09007870A EP 2108610 A1 EP2108610 A1 EP 2108610A1
Authority
EP
European Patent Office
Prior art keywords
hoistway
car
weight
sheave
deflection wheel
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
EP09007870A
Other languages
English (en)
French (fr)
Other versions
EP2108610B1 (de
Inventor
Shuki Hamaguchi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2108610A1 publication Critical patent/EP2108610A1/de
Application granted granted Critical
Publication of EP2108610B1 publication Critical patent/EP2108610B1/de
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
    • B66B11/001—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
    • 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
    • B66B11/0065—Roping
    • B66B11/008—Roping with hoisting rope or cable operated by frictional engagement with a winding drum or sheave

Definitions

  • the present invention relates to a machine-room-less elevator with a winch and a deflection wheel arranged on the top of a hoistway.
  • Figs. 10 through 13 show a known machine-room-less elevator with 1:1 roping.
  • 1 designates a hoistway
  • 2 the top of the hoistway
  • 3 a car
  • 4 a weight
  • 5 a deflection wheel that suspends the weight
  • 6 designates a winch that is installed on the hoistway top 2 and is composed of a sheave 7 and a motor 8.
  • 9 designates a pair of car side guide rails that guide the vertical movement of the car 3.
  • 10 designates a pair of weight side guide rails that guide the vertical movement of the weight 4.
  • 11 designates support plates that are attached to tip ends of the car side guide rails 9 and the weight side rails 10, respectively.
  • 12 designates a bed that is fixedly secured to the support plates 11 through resilient members 13 for holding the winch 6 and the deflection wheel 5.
  • 14 designates a main rope that is wrapped around the sheave 7 of the winch 6 and the deflection wheel 5 and is fixedly attached at one end thereof to a rope stop 50 on an upper portion of the weight 4 and at the other end thereof to a rope stop 51 on an upper portion of the car 3.
  • the main rope 14 with its one end fixed to the rope stop 50 on the upper portion of the weight 4 ascends from the rope stop 50 along the hoistway 1, and is then wrapped around an upper side of the deflection wheel 5, after which it extends to the sheave 7 of the winch 6.
  • the main rope 14 is wrapped around the sheave 7.
  • the main rope 14 extending from the deflection wheel 5 begins to be wrapped from a lower portion of the sheave 7.
  • the main rope 14, after having been wrapped around almost the entire circumstance of the sheave 7 in the counterclockwise direction in Fig. 10 descends in the hoistway 1 to the car 3, and is finally fixedly attached to the rope stop 51 of the car 3.
  • Fig. 12 and Fig. 13 are views that show the positional relation of the sheave 7 and the deflection wheel 5 in Fig. 10 , wherein Fig. 12 is a plan view thereof, and Fig. 13 is a side elevation thereof.
  • X axis, Y axis and Z axis represent an orthogonal coordinate system in Fig. 12 and Fig. 13 , wherein the X axis indicates the direction of the rotation axis of the deflection wheel 5, the Y axis shows the horizontal direction, and the Z axis shows the vertical direction.
  • the known machine-room-less elevator is constructed in the above-mentioned manner, with the winch 6 being arranged inclined against the deflection wheel 5 with respect to the horizontal and the vertical.
  • the winch 6 being arranged inclined against the deflection wheel 5 with respect to the horizontal and the vertical.
  • the present invention is intended to obviate the problems as referred to above, and has for its object to provide a machine-room-less elevator in which a main rope is wrapped around a plurality of wheels which are arranged in such a manner that grooves in the wheels for receiving the main rope are disposed on a straight line, thereby making it possible to ensure traction, prolong the usable life of the rope and reduce an installation space in a vertical direction of a hoistway.
  • a sheave, a car side deflection wheel and a weight side deflection wheel are arranged on a straight line when viewed along a hoistway, and the sheave, the car side deflection wheel and the weight side deflection wheel have their respective axes arranged in parallel with respect to one another.
  • a sheave, a weight side deflection wheel and an idle wheel are arranged on a straight line when viewed along a hoistway, and the sheave, the weight side deflection wheel and the idle wheel have their respective axes arranged in parallel with respect to one another.
  • a main rope, after ascending from a weight along the hoistway, is wrapped around an upper side of the weight side deflection wheel, a lower side of the idle wheel and an upper side of the sheave, and then descends in the hoistway to arrive at a car.
  • a sheave and a car side deflection wheel are arranged on a straight line when viewed along a hoistway, and an idle wheel is arranged under the sheave in an overlapped relation.
  • the idle wheel, the sheave and the car side deflection wheel have their respective axes arranged in parallel with respect to one another.
  • a main rope, after ascending from a weight along the hoistway, is wrapped around the idle wheel, the sheave and the car side deflection wheel, and thereafter descends in the hoistway to arrive at a car.
  • a sheave, an idle wheel and a car side deflection wheel are arranged on a straight line when viewed along a hoistway, and the sheave, the idle wheel and the car side deflection wheel have their respective axes arranged in parallel with respect to one another.
  • a main rope, after ascending from a weight along the hoistway, is wrapped around an upper side of the sheave, a lower side of the idle wheel and an upper side of the car side deflection wheel, and thereafter descends in the hoistway to arrive at a car.
  • Fig. 1 is a schematic perspective view of a machine-room-less elevator according to a first embodiment of the present invention.
  • Fig. 2 is a plan view of the top of a hoistway in Fig. 1 .
  • Fig. 3 is a cross sectional arrow view taken along line A-A in Fig. 2 .
  • 1 designates a hoistway
  • 2 the top of the hoistway
  • 3 a car
  • 4 a weight
  • 5 a deflection wheel from which the weight 4 is suspended
  • 6 designates a winch that is installed on the top 2 of the hoistway and is composed of a sheave 7 and a motor 8.
  • 9 designates a pair of car side guide rails that guide the vertical movement of the car 3.
  • 10 designates a pair of weight side guide rails that guide the vertical movement of the weight 4.
  • 11 designates support plates that are attached to tip ends of the car side guide rails 9 and the weight side guide rails 10, respectively.
  • 13 designates resilient members that are fixedly secured to the support plates 11, respectively, for preventing driving vibrations of the winch 6 from being transmitted to a building.
  • 12 designates a bed fixedly secured to the support plates 11 through the resilient members 13.
  • 14 designates a main rope that is fixedly attached at one end thereof to a rope stop 50 on an upper portion of the weight 4, and at the other end thereof to a rope stop 51 on an upper portion of the car 3.
  • 15 designates a car side deflection wheel that is supported by the bed 12 with its axis being arranged in parallel to and between the sheave 7 and the weight side deflection wheel 5 in a row in such a manner that a groove in the sheave 7 around which the main rope 14 is wrapped, a groove in the car side deflection wheel 15 and a groove in the weight side deflection wheel 5 are arranged on a straight line.
  • 16 designates a control console that is fixedly mounted on the bed 12 for controlling the elevator.
  • 17 designates a speed governor that is fixedly mounted on the bed 12 for detecting the speed of the elevator and stopping it upon emergency.
  • 18 designates an inflating-deflating maintenance gangway with its one end rotatably mounted on the bed 12.
  • the control console 16, the speed governor 17 and the gangway 18 are arranged at locations lower than the height of the winch 6.
  • the speed governor 17 and the gangway 18 are omitted in Fig. 1 .
  • the main rope 14 with one end thereof fixedly attached to the rope stop 50 on the upper portion of the weight 4 ascends from the rope stop 50 along the hoistway 1 and is then wrapped around an upper side of the deflection wheel 5, after which the main rope 14 extends to the sheave 7 of the winch 6.
  • the main rope 14 is wrapped around the sheave 7.
  • the main rope 14 extending from the deflection wheel 5 begins to be wrapped from an upper portion of the sheave 7, and then goes almost halfway around the circumference of the sheave 7 in the counterclockwise direction in Fig. 1 , after which the main rope 14 is continuously wrapped around an upper portion of the car side deflection wheel 15 over a half of the circumference thereof.
  • the main rope 14 descends in the hoistway 1 to the car 3, where it is finally fixedly attached to the rope stop 51 of the car 3.
  • the bed 12 is fitted in the heightwise range of the winch 6, and the control console 16, the speed governor 17 and the maintenance gangway 18 are arranged at locations lower than the height of the winch 6.
  • the space at the top 2 of the hoistway may be small.
  • the wrapping angle of the main rope 14 with respect to the sheave 7 can be from 120° , which is a minimum wrapping angle necessary to ensure a minimum traction, up to about 270° at the maximum.
  • this is convenient when a great traction capability is required.
  • the sheave diameter can be reduced, whereby an unbalanced torque on the elevator can be accordingly decreased.
  • the diameter of each of the winch 6, the sheave 7 and the deflection wheels 5, 15 can also be reduced, thus making it possible to diminish the space at the top of the hoistway.
  • the respective axes of the car side deflection wheel 15, the sheave 7 and the weight side deflection wheel 5 are horizontal and parallel with respect to one another, they are not necessarily required to be horizontal.
  • Fig. 4 is a perspective view of a machine-room-less elevator according to a second embodiment of the present invention.
  • Fig. 5 is a plan view of the top of a hoistway of Fig. 4 .
  • the sheave 7 of the winch 6, an idle wheel 19, and the weight side deflection wheel 5 are fixedly attached to the bed 12 on a straight line, and the respective axes of the sheave 7, the idle wheel 19 and the weight side deflection wheel 5 are horizontal and parallel with respect to one another.
  • the main rope 14 with one end thereof fixedly attached to the rope stop 50 on an upper portion of the weight 4 ascends from the rope stop 50 along the hoistway 1 and then is wrapped around an upper side of the deflection wheel 5. Thereafter, the main rope 14 is wrapped around a lower portion of the idle wheel 19 over a half of the circumference thereof, and it is then wrapped around an upper side of the sheave 7 over a half of the circumference thereof. Subsequently, the main rope 14 descends in the hoistway 1 to the car 3, where it is finally fixedly secured to the rope stop 51 of the car 3.
  • the wrapping angle of the main rope 14 with respect to the sheave 7 can be adjusted by the position of the idle wheel 19 fixedly mounted on the bed 12, so that a prescribed traction can be ensured.
  • the sheave 7, the idle wheel 19 and the weight side deflection wheel 5 are arranged on a straight line in such a manner that their respective axes are arranged horizontal and parallel with respect to one another, it is possible to prolong the usable life of the main rope 14.
  • the space at the top 2 of the hoistway may be small, as in the first embodiment.
  • the respective axes of the sheave 7, the idle wheel 19 and the weight side deflection wheel 5 may not be horizontal.
  • Fig. 6 is a perspective view of a machine-room-less elevator according to a third embodiment of the present invention.
  • Fig. 7 is a plan view of the top of a hoistway in Fig. 6 .
  • the winch 6 is fixedly mounted on the bed 12 at a location above the weight 4 on the top 2 of the hoistway, and the idle wheel 19 is arranged under the winch 6 in an overlapped manner.
  • the sheave 7 and the car side deflection wheel 15 are fixed to the bed 12 on a straight line when viewed along the hoistway 1, and their respective axes are parallel with each other.
  • the main rope 14 with one end thereof being fixedly attached to the rope stop 50 at an upper portion of the weight 4 ascends from the rope stop 50 along the hoistway 1, and it is then wrapped at its one side around the idle wheel 19. Thereafter, the main rope 14, after having been wrapped around a one side of the sheave 7 over about a half of the circumference thereof, is wrapped around the car side deflection wheel 15 over about a quarter of the circumference thereof. Subsequently, the main rope 14 descends in the hoistway 1 to the car 3, where it is finally fixedly attached to the rope stop 51 of the car 3.
  • the wrapping angle of the main rope 14 with respect to the sheave 7 can be adjusted by the position of the idle wheel 19 fixedly mounted on the bed 12, so that a prescribed traction can be ensured.
  • the idle wheel 19 and the car side deflection wheel 15 are arranged on a straight line and their respective axes are parallel with respect to one another, it is possible to prolong the usable life of the main rope 14.
  • the idle wheel 19 may be arranged between the sheave 7 and the car side deflection wheels 15, so that the main rope 14, after ascending from the weight 4 along the hoistway 1, is wrapped around an upper side of the sheave 7, after which the main rope 14 is wrapped around a lower side of the idle wheel 19, and it is then continuously wrapped around an upper side of the car side deflection wheel 15 over about a half of the circumference thereof, and finally descends in the hoistway 1 to arrive at the car 3.
  • Fig. 8 is a perspective view of a fixing member fixedly attached to an end portion of a belt when the belt is used as the main rope 14 of the first through third embodiments.
  • Fig. 9 is a cross sectional arrow view taken along line B-B of Fig. 8 .
  • 20 designates a fixture having a plurality of protruded portions 20a that protrude in a horizontal direction
  • 21 designates a presser plate having concave portions 21a formed so as to conform to the protruded portions 20a of the fixture 20.
  • the main rope 14 is clamped between the fixture 20 and the presser plate 21 by means of bolts 22.
  • the presser plate 21 has a metal fitting 23 that serves to fix a turned end portion of the main rope 14, and this metal fitting 23 is fastened to the presser plate 21 by means of a bolt 24.
  • 25 designates a hanger bolt that is combined with the fixture 20 by means of a pin 26.
  • a sufficient holding force can be expected against the main rope 14 in the form of the belt, and hence the apparatus can be constructed in compact size, and the construction thereof at an installation site is also easy.
  • a machine-room-less elevator may be constructed by combining the first through third embodiments with one another in accordance with a change in size of the car or the weight.
  • the bed 12 is fixedly mounted on the car side guide rails 9 and the weight side guide rails 10, it may instead be fixed to a wall surface which is a wall portion of the hoistway or a pillar which is a wall portion extending along the wall surface.

Landscapes

  • 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)
EP09007870A 2001-09-27 2001-09-27 Maschinenraumloser Aufzug Expired - Lifetime EP2108610B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PCT/JP2001/008451 WO2003031310A1 (fr) 2001-09-27 2001-09-27 Ascenseur sans local de machinerie
EP01972540A EP1431231B1 (de) 2001-09-27 2001-09-27 Aufzug ohne maschinenraum

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP01972540.7 Division 2001-09-27
EP01972540A Division EP1431231B1 (de) 2001-09-27 2001-09-27 Aufzug ohne maschinenraum

Publications (2)

Publication Number Publication Date
EP2108610A1 true EP2108610A1 (de) 2009-10-14
EP2108610B1 EP2108610B1 (de) 2011-08-17

Family

ID=11737762

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09007870A Expired - Lifetime EP2108610B1 (de) 2001-09-27 2001-09-27 Maschinenraumloser Aufzug
EP01972540A Expired - Lifetime EP1431231B1 (de) 2001-09-27 2001-09-27 Aufzug ohne maschinenraum

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01972540A Expired - Lifetime EP1431231B1 (de) 2001-09-27 2001-09-27 Aufzug ohne maschinenraum

Country Status (6)

Country Link
EP (2) EP2108610B1 (de)
JP (1) JP4849431B2 (de)
KR (1) KR20030048162A (de)
CN (1) CN1216785C (de)
DE (1) DE60143674D1 (de)
WO (1) WO2003031310A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101837919A (zh) * 2010-05-28 2010-09-22 江南嘉捷电梯股份有限公司 一种电梯

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2005056456A1 (ja) * 2003-12-11 2007-07-05 三菱電機株式会社 エレベータ装置
WO2005082767A1 (ja) * 2004-03-01 2005-09-09 Mitsubishi Denki Kabushiki Kaisha エレベータ装置
CN100590053C (zh) * 2004-09-22 2010-02-17 三菱电机株式会社 电梯装置
JP5017904B2 (ja) * 2006-03-31 2012-09-05 株式会社日立製作所 エレベーター装置
KR100724987B1 (ko) * 2006-04-12 2007-06-04 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
ES2441443T3 (es) 2008-12-05 2014-02-04 Otis Elevator Company Soporte de máquina de ascensor
JP5715475B2 (ja) * 2011-04-21 2015-05-07 新明和工業株式会社 昇降駆動装置とそれを備えた機械式駐車設備
EP2985255B1 (de) 2014-08-11 2021-11-17 KONE Corporation Aufzug
KR102170422B1 (ko) 2018-01-25 2020-10-27 경동제약 주식회사 토파시티닙의 신규 염, 이의 제조방법 및 이를 포함하는 약학 조성물
WO2019182322A1 (ko) 2018-03-20 2019-09-26 삼진제약주식회사 신규 염, 이의 제조 방법 및 이를 포함하는 약학 조성물

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08175623A (ja) 1994-12-21 1996-07-09 Daifuku Co Ltd 昇降装置及びその昇降装置を備えた保管設備
WO1999043596A2 (en) 1998-02-26 1999-09-02 Otis Elevator Company Elevator system having drive motor located adjacent to hoistway door
EP0953538A2 (de) * 1998-04-28 1999-11-03 Kabushiki Kaisha Toshiba Gezogener Aufzug
JPH11310372A (ja) 1998-04-28 1999-11-09 Toshiba Elevator Co Ltd エレベータ装置
WO2001053186A1 (en) * 2000-01-19 2001-07-26 Otis Elevator Company Termination for flat flexible tension member
EP1125883A1 (de) * 2000-01-19 2001-08-22 Ceam S.r.l. Antriebs und Befestigungseinheit für Aufzüge

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS619889Y2 (de) * 1977-06-13 1986-03-29

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08175623A (ja) 1994-12-21 1996-07-09 Daifuku Co Ltd 昇降装置及びその昇降装置を備えた保管設備
WO1999043596A2 (en) 1998-02-26 1999-09-02 Otis Elevator Company Elevator system having drive motor located adjacent to hoistway door
EP0953538A2 (de) * 1998-04-28 1999-11-03 Kabushiki Kaisha Toshiba Gezogener Aufzug
JPH11310372A (ja) 1998-04-28 1999-11-09 Toshiba Elevator Co Ltd エレベータ装置
WO2001053186A1 (en) * 2000-01-19 2001-07-26 Otis Elevator Company Termination for flat flexible tension member
EP1125883A1 (de) * 2000-01-19 2001-08-22 Ceam S.r.l. Antriebs und Befestigungseinheit für Aufzüge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101837919A (zh) * 2010-05-28 2010-09-22 江南嘉捷电梯股份有限公司 一种电梯
CN101837919B (zh) * 2010-05-28 2012-05-23 江南嘉捷电梯股份有限公司 一种电梯

Also Published As

Publication number Publication date
EP1431231B1 (de) 2010-12-15
EP2108610B1 (de) 2011-08-17
CN1476407A (zh) 2004-02-18
CN1216785C (zh) 2005-08-31
DE60143674D1 (de) 2011-01-27
JP4849431B2 (ja) 2012-01-11
EP1431231A1 (de) 2004-06-23
JPWO2003031310A1 (ja) 2005-01-20
KR20030048162A (ko) 2003-06-18
WO2003031310A1 (fr) 2003-04-17
EP1431231A4 (de) 2008-12-10

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