WO2007108381A1 - マシンルームレスエレベータ - Google Patents
マシンルームレスエレベータ Download PDFInfo
- Publication number
- WO2007108381A1 WO2007108381A1 PCT/JP2007/055045 JP2007055045W WO2007108381A1 WO 2007108381 A1 WO2007108381 A1 WO 2007108381A1 JP 2007055045 W JP2007055045 W JP 2007055045W WO 2007108381 A1 WO2007108381 A1 WO 2007108381A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- car
- machine
- hoistway
- counterweight
- hoisting machine
- Prior art date
Links
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
-
- 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 roomless elevator having a lifting machine at the top of a hoistway. More specifically, the lifting machine is installed so that it can be reasonably arranged in a limited space at the top of the hoistway.
- the lifting machine is installed so that it can be reasonably arranged in a limited space at the top of the hoistway.
- the car 4 is raised and lowered while being guided by a pair of left and right car-side guide rails 3L and 3R installed in the hoistway 2.
- the counterweight 6 is moved up and down by being guided by a pair of front and rear weight side guide rails 5f and 5r erected along the left side surface 2L of the road 2.
- a lifting machine 7 is arranged at a position above the left side surface 4L of the car 4 in the top of the hoistway 2, and when the hoistway 2 is viewed from above, it rides on the left side surface 2L of the hoistway 2.
- the main sheave 8 located inside the space S between the left side surface 4L of the car is driven to rotate about an axis extending in the left-right direction.
- one side of the main rope 9 wound around the main sheave 8 has a deflecting sheave 9 disposed below the front side of the main sheave and a left disposed at the lower part of the car 4. Wrapped around the right pair of car sheaves 10L and 10R, respectively, and locked to the hitch 12 on the right side of the top of the hoistway, and the car 4 is suspended by 2: 1 roving.
- the other side of the main rope 9 is wound around the weight side guide rail 6a disposed on the upper portion of the counterweight 6, and the force is also locked to the hitch portion 13 on the left side of the top of the hoistway,
- the counterweight 6 is suspended by 2: 1 roving (refer to Patent Document 1 below for details).
- Patent Document 1 JP 2000-44147 A
- the pair of left and right car-side guide rails 11L and 11R are installed in the car 4 due to the positional relationship between the lifting machine 7 and the left-side car-side guide rail 3L. It is located in front of the center of gravity G.
- an object of the present invention is to provide a machine room-less elevator that can solve the above-described problems of the prior art and that can rationally arrange a lifting machine in a limited space at the top of a hoistway. It is to provide.
- a machine room-less elevator in which a lifting machine is arranged at the top of the hoistway and the counterweight moves up and down on either the left or right side of the car,
- the hoisting machine When the hoistway is viewed from above in the vertical direction, the hoisting machine has an end on the main sheave side located above the counterweight, and an end on the opposite side behind the car. It is characterized by being disposed so as to be located above the end portion.
- the degree of freedom of arrangement of the hoisting machine can be increased.
- the main rope can be routed so that the main rope that suspends the car passes above the center of gravity of the car.
- the hoisting machine Since the end of the hoisting machine opposite the main sheave is located above the rear end of the car, the hoisting machine extends beyond the rear end of the car. Thus, it is not necessary to expand the longitudinal dimension of the hoistway in order to store the hoisting machine in the hoistway.
- the hoisting machine is arranged such that when the hoistway is viewed from above in the vertical direction, the axis thereof extends so as to incline with respect to the left, right, or one of the side surfaces of the riding force.
- claim 2 more specifically characterizes the structure of the machine roomless elevator described in claim 1, and clarifies that the hoisting machine extends linearly.
- the hoisting machine extending linearly in this way can be of a small diameter long shaft whose overall length in the axial direction of the hoisting machine is longer than the outer diameter of the main sheave.
- the means described in claim 3 is the machine room elevator described in claim 1 or 2,
- the hoisting machine is supported by a hoisting machine support that extends in the front-rear direction and spans the upper ends of a pair of front and rear weight-side guide rails that guide the lifting and lowering of the counterweight.
- the end of the main rope is suspended on the opposite side of the hoisting machine. Adjacent to the end portion, it is locked to the lifting machine support.
- the end of the hoisting machine opposite to the main sheave is positioned above the rear end of the car, and the counterweight It is not located above.
- a hitch portion for locking the end portion of the main rope on which the counterweight is suspended can be provided on the lifting machine support at the same height level as the lifting machine.
- this hitch part must be provided below the hoisting machine, and the balance Since there is no need to limit the lifting stroke of the weight, the space in the hoistway can be used more effectively by extending the vertical dimension of the counterweight and reducing its horizontal cross-sectional area.
- claim 4 is the machine roomless elevator according to any one of claims 1 to 3,
- the car has a pair of left and right car sheaves arranged symmetrically across the center of gravity of the car when the hoistway is viewed from above in the vertical direction.
- the end portion on the main sheave side of the hoisting machine is located above the counterweight and is on the side opposite to the main sheave. Is located above the rear end of the car.
- FIG. 1 is a perspective view showing a machine roomless elevator according to an embodiment.
- FIG. 2 is a plan view of the machine roomless elevator shown in FIG.
- FIG. 3 is a horizontal sectional view showing a machine roomless elevator described in Japanese Patent Laid-Open No. 2000-44147.
- FIG. 4 is a left side view of the machine roomless elevator shown in FIG.
- the direction in which the door of the car opens and closes is the left-right direction
- the direction in which the passenger leaves the car is the front
- the direction in which the passenger enters the car is the back
- the lead straight direction is up and down.
- the car 20 is guided by a pair of left and right car side guide rails 21L and 21R to move up and down the hoistway 2 and to the front of the car. Is provided with a pair of left and right doors 20a, 20b that open and close in the left-right direction.
- the counterweight 22 disposed on the left side of the car 10 is raised and lowered in the hoistway 2 by being guided by a pair of front and rear weight side guide rails 23f and 23r.
- a lifting machine support 24 extends between the upper ends of the pair of front and rear weight side guide rails 23f, 23r and extends in the front-rear direction, and the lifting machine 25 is placed and fixed on the upper surface thereof. Has been.
- the main sheave 26 that the hoisting machine 25 is driven to rotate is set to the minimum necessary size that the outer diameter is determined from the outer diameter of the main rope 27, and the hoisting machine 25 is the main sheave 26 It has a small diameter and long axis.
- the axes of the lifting machine 25 and the main sheave 26 form an angle a with respect to the left side 20L of the car 20, in other words, the left inner wall 2L of the hoistway 2 as shown in FIG. And it is inclined and extended.
- the value of the angle ⁇ is about 10 to 15 degrees. The force is not limited to this value.
- a main rope 27 is wound around the main sheave 26, and the car 20 and the counterweight 22 are suspended in the shape of a fishing bottle.
- an upper beam 28 constituting a part of the force cage extends horizontally in the left-right direction.
- the horizontal plane forms an X shape with respect to the upper beam 28.
- a sheave support beam 29 extending in a slanting direction in the front-rear and left-right directions is provided.
- the sheave support beam 29 is connected to the upper beam 28 so that the upper surface of the central portion in the longitudinal direction is in close contact with the lower surface of the central portion in the longitudinal direction of the upper beam 28.
- the sheave support beam 29 has a pair of left and right car sheaves 30L and 30R. It is supported rotatably. These car sheaves 30L, 30R are arranged symmetrically with respect to the center of gravity G of the car 20, as shown in FIG.
- the rotation axes of the pair of left and right car sheaves 30L and 30R form an angle ⁇ with respect to the axes of the lifting machine 25 and the main sheave 26 when viewed from above in the vertical direction as shown in FIG. It extends like so.
- the value of the angle ⁇ is about 5 to 10 degrees. It is not limited to this value.
- the portion of the main rope 27 that suspends the car 20 includes a portion 27a extending downward from the main sheave 26, a portion 27b extending horizontally between the pair of left and right car sheaves 30L, 30R, and a right car. And a portion 27c that extends upward from the side sheave 30R and is engaged with the right hitch portion 31, and suspends the car 20 by 2: 1 roving.
- the portion of the main rope 27 that suspends the counterweight 22 includes a portion 27d extending downward from the main sheave 26, a portion 27e extending horizontally between the pair of front and rear weight-side sheaves 22a, 22b, and a rear side.
- the left hitch part 32 is disposed on the upper surface of the lifting machine support 24 in the vicinity of the end opposite to the main sheave 26 of the lifting machine 25, and has the same height as the lifting machine 25. Is at the level.
- the end portion of the hoisting machine 25 on the main sheave 26 side is above the counterweight 22.
- the end opposite to the main sheave 26 is located above the rear end 20c of the car 20, so that the center of gravity of the lifting machine 25 is not greatly separated from the counterweight 22, .
- the rear end of the lifting machine 25 is located above the rear end 20c of the car 20.
- the elevator 7 is arranged at the upper part of the car 20 unlike the case where the lifting machine 7 extends in the left-right direction. Easy arrangement of various devices so that they do not interfere with the aircraft 25 Can be changed.
- the hoisting machine 25 has a rear end 25a located above the rear end 20c of the car 20, and the axis 25b of the hoisting machine 25 has an angle a with respect to the left side surface of the car 20. It extends without inclination.
- the rear end 25a of the lifting machine 25 does not extend further beyond the rear end 20c of the car 20, so that the hoistway 2 can be accommodated in order to store the hoisting machine 25 inside the hoistway 2. There is no need to increase the front-rear dimensions.
- the rear end 25a of the lifting machine 25 is located above the rear end 20c of the car 20, and the upper part of the counterweight 22 is It is not located in
- the left hitch portion 32 that locks the end portion of the main rope 27 that suspends the counterweight 22 can be provided on the lifting machine support 24 at the same height level as the lifting machine 25. . Therefore, since the rear end 25a of the lifting machine 25 is located above the counterweight 22, it is not necessary to provide the hitch portion 32 below the lifting machine 25. Stroke is not limited.
- the space in the hoistway 2 can be used more effectively by extending the vertical dimension of the counterweight 22 and reducing its horizontal cross-sectional area.
- the pair of left and right car sheaves 30L, 30R can be placed symmetrically with respect to the center of gravity G of the car 20, so the car 20 is suspended horizontally by the so-called center of gravity suspension and is
- the vibration and sliding noise generated between the pair of car side guide rails 21L and 21R can be reduced, and the comfort of passengers in the car 20 can be improved.
- the rotation axis of the axis 25b of the lifting machine 25 and the left car side sheave 30L The value of angle 13 formed by 30a can be reduced. This makes it possible to minimize the twist angle of the portion 27a of the hoisting rope 27 that extends between the main sheave 26 and the left car-side sheave 30L, so that the car 20 rises to the uppermost position. Even when the vertical gap between the main sheave 26 and the left car-side sheave 30L is narrowed, the rope grooves recessed in the outer peripheral surfaces of the main sheave 26 and the left car-side sheave 30L extend. The angle deviation from the direction in which each rope constituting the main rope 27 extends can be kept small.
- the force that arranges the lifting machine 25 and the main sheave 26 along the inner wall surface 2L on the left side of the hoistway 2 Along the inner wall surface 2R on the right side of the hoistway 2 can also be arranged.
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)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/282,312 US20090071760A1 (en) | 2006-03-14 | 2007-03-14 | Machineroomless elevator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-069284 | 2006-03-14 | ||
JP2006069284A JP2007246194A (ja) | 2006-03-14 | 2006-03-14 | マシンルームレスエレベータ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007108381A1 true WO2007108381A1 (ja) | 2007-09-27 |
Family
ID=38522412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055045 WO2007108381A1 (ja) | 2006-03-14 | 2007-03-14 | マシンルームレスエレベータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090071760A1 (ja) |
JP (1) | JP2007246194A (ja) |
CN (1) | CN101400596A (ja) |
WO (1) | WO2007108381A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8288772B2 (en) | 2008-10-16 | 2012-10-16 | Dai Nippon Printing Co., Ltd. | Through hole electrode substrate with different area weighted average crystal grain diameter of metal in the conductive part and semiconductor device using the through hole electrode substrate |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2294943B1 (es) * | 2006-09-25 | 2009-02-16 | Orona S. Coop | Aparato elevador sin sala de maquinas. |
CN101955111B (zh) * | 2009-07-14 | 2012-05-02 | 上海德圣米高电梯有限公司 | 一种改进的用于电梯的提升机构 |
EP2781481B1 (en) * | 2013-03-19 | 2015-08-19 | KONE Corporation | A counterweight arrangement for an elevator |
WO2015025396A1 (ja) * | 2013-08-22 | 2015-02-26 | 三菱電機株式会社 | エレベータ装置 |
CN104512792A (zh) * | 2014-12-11 | 2015-04-15 | 杭州新马电梯有限公司 | 一种无机房电梯曳引系统的结构 |
CN105668381B (zh) * | 2016-04-15 | 2018-07-24 | 西继迅达(许昌)电梯有限公司 | 一种后对重无机房电梯 |
CN106395579A (zh) * | 2016-12-08 | 2017-02-15 | 巨人通力电梯有限公司 | 无机房电梯顶层排布结构 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002504471A (ja) * | 1998-02-26 | 2002-02-12 | オーチス エレベータ カンパニー | 頭上配置駆動モーターを有するエレベータシステム |
JP2003306282A (ja) * | 2002-04-16 | 2003-10-28 | Mitsubishi Electric Building Techno Service Co Ltd | エレベーター装置 |
JP2004115161A (ja) * | 2002-09-24 | 2004-04-15 | Toshiba Elevator Co Ltd | マシンルームレスエレベータ |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0761745A (ja) * | 1993-08-18 | 1995-03-07 | Otis Elevator Co | 巻き上げ式エレベーター |
US5490577A (en) * | 1994-06-22 | 1996-02-13 | Otis Elevator Company | Flexible elevator hitch |
US5957243A (en) * | 1997-07-25 | 1999-09-28 | Otis Elevator Company | Tandem sheave assembly, and method to install an elevator car having a tandem sheave |
JP2000044147A (ja) * | 1998-08-03 | 2000-02-15 | Fujitec Co Ltd | エレベータ装置 |
US6848543B2 (en) * | 1998-10-30 | 2005-02-01 | Otis Elevator Company | Single wall interface traction elevator |
EP1224142B1 (de) * | 1999-10-11 | 2005-09-07 | Inventio Ag | Seilaufzug |
WO2001062654A1 (fr) * | 2000-02-22 | 2001-08-30 | Mitsubishi Denki Kabushiki Kaisha | Dispositif elevateur |
EP1327596B1 (en) * | 2000-08-28 | 2010-02-24 | Mitsubishi Denki Kabushiki Kaisha | Elevator device |
JP2002167137A (ja) * | 2000-11-29 | 2002-06-11 | Toshiba Corp | エレベータ |
JP2002362849A (ja) * | 2001-06-08 | 2002-12-18 | Mitsubishi Electric Corp | エレベーター |
JP2003104657A (ja) * | 2001-09-28 | 2003-04-09 | Toshiba Elevator Co Ltd | エレベータ |
ES2251620T3 (es) * | 2001-11-23 | 2006-05-01 | Inventio Ag | Ascensor con medio de transmision en forma de correa, especialmente con correa de nervios cuneiformes como medio portador y/o motriz. |
JP4229633B2 (ja) * | 2002-04-26 | 2009-02-25 | 東芝エレベータ株式会社 | マシンルームレスエレベータ |
JP4401069B2 (ja) * | 2002-12-06 | 2010-01-20 | 東芝エレベータ株式会社 | マシンルームレスエレベータ |
JP4350988B2 (ja) * | 2003-07-14 | 2009-10-28 | 東芝エレベータ株式会社 | マシンルームレスエレベータ |
SG119287A1 (en) * | 2004-07-17 | 2006-02-28 | Inventio Ag | Elevator installation with flat-belt-type suspension means arranged in parallel |
-
2006
- 2006-03-14 JP JP2006069284A patent/JP2007246194A/ja active Pending
-
2007
- 2007-03-14 WO PCT/JP2007/055045 patent/WO2007108381A1/ja active Application Filing
- 2007-03-14 US US12/282,312 patent/US20090071760A1/en not_active Abandoned
- 2007-03-14 CN CNA2007800091348A patent/CN101400596A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002504471A (ja) * | 1998-02-26 | 2002-02-12 | オーチス エレベータ カンパニー | 頭上配置駆動モーターを有するエレベータシステム |
JP2003306282A (ja) * | 2002-04-16 | 2003-10-28 | Mitsubishi Electric Building Techno Service Co Ltd | エレベーター装置 |
JP2004115161A (ja) * | 2002-09-24 | 2004-04-15 | Toshiba Elevator Co Ltd | マシンルームレスエレベータ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8288772B2 (en) | 2008-10-16 | 2012-10-16 | Dai Nippon Printing Co., Ltd. | Through hole electrode substrate with different area weighted average crystal grain diameter of metal in the conductive part and semiconductor device using the through hole electrode substrate |
Also Published As
Publication number | Publication date |
---|---|
JP2007246194A (ja) | 2007-09-27 |
CN101400596A (zh) | 2009-04-01 |
US20090071760A1 (en) | 2009-03-19 |
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