WO2005068338A1 - Elevator hoist - Google Patents
Elevator hoist Download PDFInfo
- Publication number
- WO2005068338A1 WO2005068338A1 PCT/JP2004/000235 JP2004000235W WO2005068338A1 WO 2005068338 A1 WO2005068338 A1 WO 2005068338A1 JP 2004000235 W JP2004000235 W JP 2004000235W WO 2005068338 A1 WO2005068338 A1 WO 2005068338A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheave
- elevator
- shaft
- rotating
- drive
- 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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0438—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with a gearless driving, e.g. integrated sheave, drum or winch in the stator or rotor of the cage motor
Definitions
- the present invention relates to a hoisting machine for an elevator, in which a drive sheave on which a main rope of the elevator is wound is provided in a rotating portion.
- the drive sheave around which the main rope is wound is a rotating body (bowl-shaped body). It is provided in one body.
- the rotating body is rotatably supported by the main shaft.
- the main shaft is supported at both ends by a support plate and a base.
- the support structure of the rotating body it is desirable to change the support structure of the rotating body according to the weight of the car and the counterweight. That is, if the weight of the car and the counterweight is relatively large, the rotating body should be supported on both sides, but if the weight of the car and the counterweight is relatively small, the support structure should be a cantilevered structure. Is desirable. Conventionally, it was necessary to manufacture two types of hoisting machines whose components were different from each other in response to such a change in the support structure. Disclosure of the invention
- the present invention has been made to solve the above-described problem, and the parts can be shared between a case in which the support structure of the drive sheave is cantilevered and a case in which the drive sheave is supported at both ends.
- the purpose is to obtain a hoisting machine for Elebe overnight.
- the hoisting machine for an electric elevator has a base, a rotating unit main body, and a drive sheave around which a main rope of the electric elevator is wound, and a rotating unit rotatably supported by the base.
- the section main body is provided with a sheave fixing section for fixing the driving sheave.
- FIG. 1 is a cross-sectional view of a cantilever-support type elevator hoisting machine according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view showing a state in which the elevator winding machine of FIG. 1 has a double-sided support structure
- FIG. 3 is a perspective view showing the appearance of the elevator hoisting machine of FIG. 2
- FIG. 4 is a cross-sectional view showing a state in which the elevator for hoisting according to the second embodiment of the present invention has a double-sided support structure.
- FIG. 5 is a cross-sectional view showing a state where the hoisting machine for an elevator in accordance with Embodiment 3 of the present invention has a double-sided support structure.
- FIG. 6 is a perspective view showing an example of the overall configuration of an elevator apparatus to which the elevator machine of the present invention is applied.
- FIG. 1 is a cross-sectional view of a hoisting machine for an elevator having a cantilever support structure according to Embodiment 1 of the present invention.
- a base 1 is a fixed-side component that is fixed to the installation portion of the hoist.
- the base 1 also includes a dish-shaped portion la, an outer cylindrical portion 1b extending to one side from the outer peripheral portion of the dish-shaped portion 1a, and a main shaft 1c protruding to one side from the center of the dish-shaped portion 1a. have.
- the dish-shaped portion 1a, the outer cylindrical portion and the main shaft 1c are integrally formed with the base 1.
- the dish-shaped portion 1a At the center of the dish-shaped portion 1a on the side opposite to the main shaft 1c, a recessed portion 1d recessed from the outer peripheral portion is formed. As a result, the dish-shaped portion la has a dish-shaped shape instead of a flat shape.
- a through hole 1e At the center of the main shaft 1c, there is provided a through hole 1e extending in the axial direction of the main shaft 1c and penetrating the main shaft 1c.
- the rotating part 3 is supported on the main shaft l c via a bearing 2.
- the rotating unit 3 is rotatable about a main shaft 1c.
- the rotating part 3 has a bearing on the inner circumference.
- the rotating part main body 4 includes a cylindrical bearing mounting part 4 a surrounding the main shaft 1 c, a sheave fixing part (step part) 4 b provided on the outer periphery of the bearing mounting part 4 a, and an outer cylindrical part. and an inner cylindrical portion 4c disposed inside the lb.
- the bearing mounting portion 4a, the sheave fixing portion 4b, and the inner cylindrical portion 4c are formed integrally with the rotating portion main body 4.
- the drive sheave 5 is formed separately from the rotating portion main body 4, and is fixed to the sheave fixing portion 4b.
- a plurality of main ropes are suspended around the drive sheave 5 for suspending the elevator and the counterweight of the elevator.
- a plurality of rope grooves into which the main rope is inserted are provided on the outer peripheral surface of the driving sheave 5.
- An armature 6 as a motor rotor is fixed to the outer peripheral surface of the inner cylindrical portion 4c.
- a stator winding 7 as a motor rotor facing the armature 6 is fixed to the inner peripheral surface of the outer cylindrical portion 1b.
- the rotating unit 3 is rotated by a driving force of a motor 8 having an armature 6 and a stator winding 7.
- a rotation detection shaft 9 that rotates integrally with the rotating unit 3 is inserted into the through hole 1 e.
- a disk-shaped fixing portion 9a fixed to the axial end of the bearing mounting portion 4a is provided at one end of the rotation detection shaft 9.
- the other end of the rotation detection shaft 9 protrudes from the through hole le into the recess 1d.
- a rotation detector 10 for detecting rotation of the rotation detection shaft 9 is attached to the dish-shaped portion 1a.
- the rotation detector 10 is arranged in the depression 1d.
- an encoder or the like is used, but illustration of a specific configuration is omitted.
- This hoist is a thin hoist whose overall axial dimension is shorter than the drive sheave 5 or the overall diameter.
- FIG. 2 is a cross-sectional view showing a state in which the hoisting machine for the elevator of FIG. 1 has a double-sided support structure.
- a base 1 is fixed on a support 11.
- Support table 1
- a support frame 12 is fixed on 1 at an interval from the base 1.
- a drive sheave 13 having an axial dimension larger than that of the drive sheave 5 in FIG. 1 is fixed to the sheave fixing portion 4b.
- the drive sheave 13 is supported by the base 1 via the rotating part main body 4 and rotatably supported by the support frame 12.
- the drive sheave 13 is provided with a sheave shaft 13a protruding to one side.
- Branch The holding frame 12 rotatably supports the sheave shaft 13 a via a bearing 14.
- the support frame 12 is provided with a bearing hole 12a in which the bearing 14 is mounted.
- Other configurations are the same as in FIG.
- FIG. 3 is a perspective view showing an outer parent of the elevator for the elevator of FIG.
- the hoisting machine for an elevator is provided with a brake device 15 for braking the rotation of the rotating unit 3.
- a hoisting machine for an elevator is cantilevered by fixing a drive sheave 5 for cantilever support to a sheave fixing portion 4b of the rotating portion main body 4. It can be used as a hoist of a support structure.
- the drive sheave 13 is fixed to the sheave fixing portion 4b, and the drive sheave 13 is supported by the support frame 12. It can also be used as a hoist with a structure.
- the sheave fixing portion 4b includes a drive sheave 5 of a type supported only by the rotating portion main body 4 and a drive sheave 13 of a type supported by both the support frame 12 and the rotating portion main body 4. Either of these types of drive sheaves is selectively fixed. In other words, one of the plural types of drive sheaves 5 and 13 having different axial lengths is selectively fixed to the sheave fixing portion 4b.
- the whole can be configured compactly, and can be easily arranged, for example, in the upper or lower part of the hoistway in a machine room-less elevator.
- Embodiment 2 since the main shaft 1c is formed integrally with the base 1, the number of parts can be reduced. Embodiment 2
- FIG. 4 is a cross-sectional view showing a state in which the hoisting machine for an elevator according to Embodiment 2 of the present invention has a double-sided support structure.
- the sheave shaft 13a is formed integrally with the drive sheave 13.
- the sheave shaft 16 separate from the drive sheave 13 is a drive sheave. Fixed to 13 The sheave axle 16 is on one side of the drive sheave 13 It protrudes and is rotatably supported by a support frame 12 via a bearing 14.
- the rotation detection shaft 9 is fixed to the sheave shaft 16.
- Other configurations are the same as those of the first embodiment.
- the state of the cantilever support structure is the same as in FIG.
- the sheave shaft 16 may be formed separately from the driving sheave 13. Embodiment 3.
- FIG. 5 is a cross-sectional view showing a state where the hoisting machine for an elevator according to Embodiment 3 of the present invention has a double-sided support structure.
- the sheave shaft 13a is provided on the drive sheave 13; however, in the third embodiment, the sheave shaft 17 separate from the drive sheave 13 and the support frame 12 is provided with a support frame. Fixed to 1 2
- the drive sheave 13 is rotatably supported by a sheave shaft 17 via a bearing 14.
- the rotation detection shaft 9 is fixed to the drive sheave 13.
- Other configurations are the same as those in the first embodiment.
- the state of the cantilever support structure is the same as in FIG.
- FIG. 6 is a perspective view showing an example of the entire configuration of an elevator apparatus to which the elevator apparatus of the present invention is applied.
- a pair of car guide rails 22 and a pair of counterweight guide rails 23 are installed in the hoistway 21.
- the car 24 is guided by the car guide rails 22 and is moved up and down in the hoistway 21.
- the counterweight 25 is guided by the counterweight guide rail 23 and is moved up and down in the hoistway 21.
- a mechanical unit box 26 is disposed above the hoistway 21.
- the machine unit box 26 houses the hoisting machine 27 as described in any one of the first to third embodiments.
- the hoisting machine 27 is arranged such that the rotation axes of the drive sheaves 5 and 13 are horizontal.
- a main rope 28 is wound around the drive sheaves 5 and 13. At one end of the main rope 28, a basket 24 is suspended. A counterweight 25 is suspended from the other end of the main rope 28. That is, basket 24 and counterweight 25 are: It is suspended by one roving method.
- a control panel 29 for controlling the hoisting machine 27 is provided in the hoistway 21.
- the driving sheaves 5 and 13 are rotated so that the car 24 and the counterweight 25 travel along the guide rails 22 and 23 in the hoistway 21. It is raised and lowered.
- the main shaft 1c is fixed to the base 1, but it is also possible to provide a main shaft in the rotating part and to support the main shaft rotatably by the base.
- three or more types of drive sheaves using two types of drive sheaves 5 and 13 may be attachable.
- the hoist of the present invention can be applied to various types of elevator devices other than the elevator device of the type shown in FIG.
- the present invention can be applied to an elevator apparatus in which a hoist is installed in a machine room, and to an elevator apparatus without a machine room in which a hoist is arranged in a hoistway.
- the hoist may be arranged at a lower part in the hoistway.
- the mouth-to-mouth method is not limited to 1: 1 roving, and may be, for example, 2: 1 roving.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04702435A EP1705148A4 (en) | 2004-01-15 | 2004-01-15 | Elevator hoist |
JP2005516940A JPWO2005068338A1 (en) | 2004-01-15 | 2004-01-15 | Elevator hoisting machine |
CNB200480002089XA CN100337899C (en) | 2004-01-15 | 2004-01-15 | Hoist for elevator |
PCT/JP2004/000235 WO2005068338A1 (en) | 2004-01-15 | 2004-01-15 | Elevator hoist |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/000235 WO2005068338A1 (en) | 2004-01-15 | 2004-01-15 | Elevator hoist |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005068338A1 true WO2005068338A1 (en) | 2005-07-28 |
Family
ID=34792050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/000235 WO2005068338A1 (en) | 2004-01-15 | 2004-01-15 | Elevator hoist |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1705148A4 (en) |
JP (1) | JPWO2005068338A1 (en) |
CN (1) | CN100337899C (en) |
WO (1) | WO2005068338A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012086904A (en) * | 2010-10-15 | 2012-05-10 | Meidensha Corp | Hoist |
WO2015125266A1 (en) * | 2014-02-21 | 2015-08-27 | 株式会社日立製作所 | Elevator device |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5856908B2 (en) * | 2012-05-31 | 2016-02-10 | 株式会社日立製作所 | Elevator hoisting machine |
CN102935969A (en) * | 2012-11-30 | 2013-02-20 | 桑中海 | Elevator traction machine and detachment tool thereof |
CN106458522B (en) * | 2014-06-05 | 2018-11-13 | 三菱电机株式会社 | The fastening method of the rope sheave of elevator traction machine and elevator traction machine |
CN105270969A (en) * | 2014-06-09 | 2016-01-27 | 上海三菱电梯有限公司 | Tractor for elevator |
JP6742269B2 (en) * | 2017-04-07 | 2020-08-19 | 株式会社日立製作所 | Hoisting machine and elevator |
JP6712094B2 (en) * | 2017-07-07 | 2020-06-17 | 三菱電機株式会社 | Elevator hoist |
CN110027969A (en) | 2018-01-11 | 2019-07-19 | 奥的斯电梯公司 | Traction thermomechanical components and elevator |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63277190A (en) * | 1987-05-07 | 1988-11-15 | 三菱電機株式会社 | Winding machine for elevator |
JPH05238663A (en) * | 1991-12-02 | 1993-09-17 | Otis Elevator Co | Disc brake for elevator drive sheave |
JPH09317841A (en) * | 1996-02-21 | 1997-12-12 | Wittur Aufzugteile Gmbh & Co | Gearless driving system |
JPH11130365A (en) * | 1997-10-29 | 1999-05-18 | Hitachi Ltd | Elevator device |
JP2003104666A (en) * | 2001-09-28 | 2003-04-09 | Meidensha Corp | Hoisting machine and elevator device |
JP2003267648A (en) * | 2002-03-15 | 2003-09-25 | Mitsubishi Electric Corp | Elevator hoist |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19720479A1 (en) * | 1997-05-16 | 1998-11-19 | Baumueller Nuernberg Gmbh | Lifting device, in particular elevator, with an electric motor and use of the electric motor |
JP3725979B2 (en) * | 1998-07-07 | 2005-12-14 | 株式会社日立製作所 | Elevator equipment |
DE19832208C1 (en) * | 1998-07-17 | 1999-11-04 | System Antriebstechnik Dresden | Transmission-less lift machine with synchronous external rotor motor has minimized external dimensions using construction of few and cost-effective components |
DE19906727C1 (en) * | 1999-02-18 | 2000-06-08 | System Antriebstechnik Dresden | Gearbox-less machine for lift system, has synchronous external rotor motor with rotor monitoring measurement system arranged inside axial brake and before rotor shaft end |
JP3537348B2 (en) * | 1999-04-05 | 2004-06-14 | 三菱電機株式会社 | Traction elevator hoist |
WO2002103883A1 (en) * | 2001-05-18 | 2002-12-27 | Thyssenkrupp Aufzugswerke Gmbh | Electrical machine with plastic supporting pieces |
-
2004
- 2004-01-15 WO PCT/JP2004/000235 patent/WO2005068338A1/en not_active Application Discontinuation
- 2004-01-15 JP JP2005516940A patent/JPWO2005068338A1/en active Pending
- 2004-01-15 EP EP04702435A patent/EP1705148A4/en not_active Withdrawn
- 2004-01-15 CN CNB200480002089XA patent/CN100337899C/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63277190A (en) * | 1987-05-07 | 1988-11-15 | 三菱電機株式会社 | Winding machine for elevator |
JPH05238663A (en) * | 1991-12-02 | 1993-09-17 | Otis Elevator Co | Disc brake for elevator drive sheave |
JPH09317841A (en) * | 1996-02-21 | 1997-12-12 | Wittur Aufzugteile Gmbh & Co | Gearless driving system |
JPH11130365A (en) * | 1997-10-29 | 1999-05-18 | Hitachi Ltd | Elevator device |
JP2003104666A (en) * | 2001-09-28 | 2003-04-09 | Meidensha Corp | Hoisting machine and elevator device |
JP2003267648A (en) * | 2002-03-15 | 2003-09-25 | Mitsubishi Electric Corp | Elevator hoist |
Non-Patent Citations (1)
Title |
---|
See also references of EP1705148A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012086904A (en) * | 2010-10-15 | 2012-05-10 | Meidensha Corp | Hoist |
US20140014443A1 (en) * | 2010-10-15 | 2014-01-16 | Keiichi Koroki | Hoist |
WO2015125266A1 (en) * | 2014-02-21 | 2015-08-27 | 株式会社日立製作所 | Elevator device |
CN105764831A (en) * | 2014-02-21 | 2016-07-13 | 株式会社日立制作所 | Elevator device |
Also Published As
Publication number | Publication date |
---|---|
CN1735553A (en) | 2006-02-15 |
JPWO2005068338A1 (en) | 2007-08-23 |
EP1705148A4 (en) | 2011-08-31 |
EP1705148A1 (en) | 2006-09-27 |
CN100337899C (en) | 2007-09-19 |
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