WO2009147749A1 - エレベータ装置 - Google Patents

エレベータ装置 Download PDF

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Publication number
WO2009147749A1
WO2009147749A1 PCT/JP2008/060485 JP2008060485W WO2009147749A1 WO 2009147749 A1 WO2009147749 A1 WO 2009147749A1 JP 2008060485 W JP2008060485 W JP 2008060485W WO 2009147749 A1 WO2009147749 A1 WO 2009147749A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive sheave
friction belt
car
main rope
sheave
Prior art date
Application number
PCT/JP2008/060485
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
光井　厚
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to KR1020107020889A priority Critical patent/KR101238084B1/ko
Priority to CN2008801296439A priority patent/CN102056831A/zh
Priority to JP2010515725A priority patent/JPWO2009147749A1/ja
Priority to PCT/JP2008/060485 priority patent/WO2009147749A1/ja
Priority to EP08765298.8A priority patent/EP2281768A4/de
Publication of WO2009147749A1 publication Critical patent/WO2009147749A1/ja

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B15/00—Main component parts of mining-hoist winding devices
    • B66B15/02—Rope or cable carriers
    • B66B15/04—Friction sheaves; "Koepe" pulleys
    • 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
    • B66B11/0476—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with friction gear, e.g. belt linking motor to sheave

Definitions

  • the present invention relates to a traction type elevator apparatus in which a main rope for suspending a car is wound around a drive sheave of a hoisting machine, and the car is moved up and down by rotation of the drive sheave.
  • Equation (2) shows the relationship between the tensions T1 and T2 and the traction ability ⁇ when T2> T1.
  • the present invention has been made to solve the above-described problems, and provides an elevator apparatus that can be downsized while maintaining a predetermined traction capability and can have a long service life. For the purpose.
  • An elevator apparatus includes a car capable of moving up and down in a hoistway, a hoisting machine main body, and a driving sheave rotated by the hoisting machine main body, and generates a driving force for raising and lowering the car, A sled wheel arranged at an interval with respect to the drive sheave, an endless friction belt wound around the drive sheave and the baffle wheel and circulated by rotation of the drive sheave, and the drive sheave and the baffle via the friction belt It has a main rope that is continuously wound around the car and suspends the car.
  • FIG. 1 is a longitudinal sectional view showing an elevator apparatus according to Embodiment 1 of the present invention. It is sectional drawing which shows the drive sheave and friction belt of FIG. It is a longitudinal cross-sectional view which shows the elevator apparatus by Embodiment 2 of this invention. It is a longitudinal cross-sectional view which shows the elevator apparatus by Embodiment 3 of this invention. It is a top view which shows the elevator apparatus of FIG.
  • FIG. 1 is a longitudinal sectional view showing an elevator apparatus according to Embodiment 1 of the present invention.
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed in a hoistway 1.
  • a car 4 is arranged between the car guide rails 2 so as to be movable up and down, and a counterweight 5 is arranged between the counterweight guide rails 3 so as to be raised and lowered.
  • the car 4 has a front surface, a back surface, a pair of side surfaces, a bottom surface, and a ceiling surface.
  • a car doorway 4 a is provided in front of the car 4.
  • the back surface of the car 4 faces the front surface of the car 4 in the depth direction of the car 4.
  • the side surfaces of the car 4 are arranged between the car guide rails 2 and face each other in the direction of the frontage of the car doorway 4a.
  • the counterweight 5 is raised and lowered on the back side of the car 4. Accordingly, the car 4 and the counterweight 5 are arranged side by side in the depth direction of the car 4 in the projection plane when the hoistway 1 is vertically projected.
  • the plane including each car guide rail 2 and the plane including each counterweight guide rail 3 are parallel to each other.
  • a machine room 6 is provided in the upper part of the hoistway 1.
  • a machine base 7 is fixed to the floor surface of the machine room 6.
  • a hoisting machine 8 and a deflecting wheel 9 are supported on the machine base 7.
  • the hoisting machine 8 generates a driving force for moving the car 4 and the counterweight 5 up and down.
  • the hoisting machine 8 includes a hoisting machine main body 10 including a motor, and a drive sheave 11 provided in the hoisting machine main body 10 and rotated by the hoisting machine main body 10.
  • the drive sheave 11 is rotated around a sheave shaft arranged horizontally.
  • the deflecting wheel 9 is arranged at an interval with respect to the drive sheave 11.
  • the deflecting wheel 9 is rotatably provided on a sheave shaft that is arranged in parallel with the sheave shaft of the drive sheave 11. Further, the deflector wheel 9 is disposed at a position lower than the position of the drive sheave 11.
  • the drive sheave 11 and the deflector wheel 9 are made of, for example, steel or cast iron.
  • an endless friction belt 12 is wound.
  • the friction belt 12 is given a predetermined tension by adjusting the distance between the drive sheave 11 and the deflector wheel 9.
  • the friction belt 12 is rotated in accordance with the rotation of the drive sheave 11.
  • the deflecting wheel 9 is rotated according to the circumferential movement of the friction belt 12.
  • a plurality of main ropes 13 are continuously wound around the drive sheave 11 and the deflecting wheel 9 via the friction belt 12.
  • the car 4 and the counterweight 5 are suspended in the hoistway 1 by the main rope 13.
  • the main rope 13 is a metal rope.
  • one end of the main rope 13 is connected to the car 4 and the other end of the main rope 13 is connected to the counterweight 5.
  • the main rope 13 is moved as the friction belt 12 rotates.
  • the car 4 and the counterweight 5 are moved up and down in the hoistway 1 by the movement of the main rope 13.
  • the car 4 and the counterweight 5 are raised and lowered, the car 4 is guided to each car guide rail 2, and the counterweight 5 is guided to each counterweight guide rail 3.
  • FIG. 2 is a sectional view showing the drive sheave 11 and the friction belt 12 of FIG.
  • a plurality of fitting grooves 14 are provided on the outer periphery of the drive sheave 11 along the rotation direction of the drive sheave 11.
  • the cross-sectional shape of the fitting groove 14 is a V shape having a bottom side.
  • the friction belt 12 is made of a wear-resistant high friction material.
  • the high friction material include urethane rubber and resin. Therefore, the material of the friction belt 12 is softer than the materials of the drive sheave 11, the deflecting wheel 9 and the main rope 13.
  • a plurality of rope grooves 16 into which the main ropes 13 are inserted are provided on the outer peripheral surface of the friction belt 12.
  • Each fitting protrusion 15 and each rope groove 16 are arranged along the length direction of the friction belt 12. In this example, the width dimension of the friction belt 12 is the same as the thickness dimension of the drive sheave 11.
  • each core 17 is configured to be endless.
  • the cores 17 are arranged side by side in the width direction of the friction belt 12.
  • each core body 17 is made of a material (high strength material) having higher strength than the high friction material of the friction belt 12.
  • a steel wire is used as the core body 17. Thereby, the fracture of the friction belt 12 is prevented.
  • a predetermined frictional force is generated between each of the drive sheave 11 and the deflecting wheel 9 and the friction belt 12 and between each main rope 13 and the friction belt 12.
  • the friction belt 12 performs a circular movement according to the rotation of the drive sheave 11, and each main rope 13 performs a movement according to the circular movement of the friction belt 12.
  • the maximum frictional force between each of the drive sheave 11 and the deflecting wheel 9 and the friction belt 12 is larger than the maximum frictional force between each main rope 13 and the friction belt 12.
  • the maximum frictional force is a frictional force immediately before a slip occurs between members in contact with each other. Therefore, even when each main rope 13 slides with respect to the friction belt 12, the friction belt 12 is prevented from slipping with respect to each of the drive sheave 11 and the deflecting wheel 9.
  • the endless friction belt 12 is wound around the drive sheave 11 and the deflector wheel 9, and the main ropes 13 for suspending the car 4 are connected via the friction belt 12 to the drive sheave 11 and the deflector wheel 9. Accordingly, the rotational force of the drive sheave 11 can be deflected and exerted on the position of the vehicle 9 by the circumferential movement of the friction belt 12. Accordingly, the rotational force of the drive sheave 11 can be transmitted to each main rope 13 in each of the drive sheave 11 and the deflecting wheel 9.
  • the angle which added the winding angle of the main rope 13 with respect to the vehicle 9 to the winding angle of the main rope 13 with respect to the drive sheave 11 can be made into the winding angle which contributes to traction capability, and aims at improvement of traction capability Can do.
  • the friction belt 12 is interposed between the drive sheave 11 and the deflecting wheel 9 and the main rope 13, the metal generated between the drive sheave 11 and the deflecting wheel 9 and the main rope 13 Can be avoided, and the life of each of the drive sheave 11, the deflector wheel 9, and the main rope 13 can be extended. Further, since the life of the main rope 13 can be extended, the diameter of the main rope 13 can be reduced, and the ratio (D / d ratio) between the diameter of the drive sheave 11 and the diameter of the main rope 13 can be maintained. The diameters of the drive sheave 11 and the deflecting wheel 9 can be reduced. Thereby, size reduction of the hoisting machine 8 and the deflecting wheel 9 can be achieved, and size reduction of the whole elevator apparatus can be achieved.
  • the friction belt 12 is provided with the rope groove 16 into which the main rope 13 is inserted, the main rope 13 can be prevented from coming off from the friction belt 12.
  • the drive sheave 11 and The friction belt 12 can be made difficult to slip with respect to each of the deflecting wheels 9, and the life of the friction belt 12 can be extended. That is, when slip occurs between each of the drive sheave 11 and the deflecting wheel 9 and the friction belt 12, the friction belt 12 is worn. The worn friction belt 12 becomes more slippery with respect to the drive sheave 11. Therefore, as the friction belt 12 wears, the friction belt 12 eventually slides completely with respect to the drive sheave 11, and the driving force of the drive sheave 11 is transmitted to the main rope 13. It will disappear. Therefore, by making the friction belt 12 difficult to slip with respect to each of the drive sheave 11 and the deflecting wheel 9, it is possible to suppress the progress of wear of the friction belt 12 and to extend the life of the friction belt 12. .
  • FIG. FIG. 3 is a longitudinal sectional view showing an elevator apparatus according to Embodiment 2 of the present invention.
  • the elevator apparatus according to this example is an elevator apparatus (machine room-less elevator apparatus) of a type in which no machine room is provided. Therefore, the hoisting machine 8 and the deflecting wheel 9 are provided in the hoistway 1.
  • the hoisting machine 8 is a thin hoisting machine in which the axial dimension is smaller than the radial dimension.
  • the hoisting machine 8 includes a thin hoisting machine main body 10 including a motor, and a drive sheave 11 provided in the hoisting machine main body 10 and rotated by the hoisting machine main body 10.
  • the drive sheave 11 and the deflector wheel 9 are arranged at intervals in the horizontal direction. That is, the drive sheave 11 and the deflector wheel 9 are arranged at the same height. Other configurations are the same as those in the first embodiment.
  • FIG. 4 is a longitudinal sectional view showing an elevator apparatus according to Embodiment 3 of the present invention.
  • FIG. 5 is a plan view showing the elevator apparatus of FIG.
  • the counterweight 5 is raised and lowered on one side of the car 4. Accordingly, in the projection plane when the hoistway 1 is vertically projected, the car 4 and the counterweight 5 are arranged side by side with respect to the width direction of the car 4 (the opening direction of the car doorway 4a).
  • the plane including each counterweight guide rail 3 is perpendicular to the plane including each car guide rail 2.
  • a fixing member 21 is fixed between the upper portions of one car guide rail 2 and one counterweight guide rail 3.
  • a fixing member 22 is fixed to the upper portion of the other car guide rail 2.
  • a fixing member 23 is fixed between the upper ends of the counterweight guide rails 3. As shown in FIG. 4, the fixing member 23 is disposed at a position higher than the position of the fixing member 21.
  • the hoisting machine 8 is supported on the fixing member 21.
  • the fixing member 22 is provided with a first rope stop 24.
  • the fixing member 23 supports the baffle wheel 9 and is provided with a second rope stop 25.
  • the hoisting machine 8 and the deflecting wheel 9 are arranged at positions outside the area of the car 4 in the projection plane when the hoistway 1 is vertically projected.
  • the deflecting wheel 9 is arranged at a position higher than the position of the drive sheave 11.
  • a pair of car suspension wheels 26 is provided at the lower part of the car 4, and a counterweight suspension car 27 is provided at the upper part of the counterweight 5.
  • the car 4 and the counterweight 5 are suspended by a plurality of main ropes 13.
  • One end of each main rope 13 is connected to the first rope stop 24, and the other end of each main rope 13 is connected to the second rope stop 25.
  • Each main rope 13 is wound from the first rope stopper 24 in the order of the car suspension wheel 26, the drive sheave 11, the deflector 9, and the counterweight suspension wheel 27, and reaches the second rope stopper 25. ing.
  • Each main rope 13 is wound around the drive sheave 11 and the deflecting wheel 9 via a friction belt 12.
  • the car 4 and the counterweight 5 are moved up and down in the hoistway 1 by the rotation of the drive sheave 11.
  • Other configurations are the same as those of the second embodiment.
  • the hoisting machine 8 is larger than the deflecting wheel 9, if the hoisting machine 8 is disposed above the counterweight 3, than the case where the deflector 9 is disposed above the counterweight 3,
  • the upper limit position of the range in which the counterweight 3 is raised and lowered is lowered.
  • the deflecting wheel 9 is disposed above the counterweight 3 if the drive sheave 11 is disposed at a position higher than the position of the deflecting wheel 9, the height direction of the hoistway 1 is It gets bigger. Therefore, by arranging the deflecting wheel 9 at a position higher than the position of the drive sheave 11 and raising and lowering the counterweight 3 below the deflector wheel 9, the counterweight 3 is maintained while maintaining the dimensions of the hoistway 1.
  • the upper limit position of the range to be moved up and down can be set higher.
  • the wrapping angle that contributes to the traction ability is the same as that in the second embodiment, so that the traction ability can be improved.

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)
PCT/JP2008/060485 2008-06-06 2008-06-06 エレベータ装置 WO2009147749A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020107020889A KR101238084B1 (ko) 2008-06-06 2008-06-06 엘리베이터장치
CN2008801296439A CN102056831A (zh) 2008-06-06 2008-06-06 电梯装置
JP2010515725A JPWO2009147749A1 (ja) 2008-06-06 2008-06-06 エレベータ装置
PCT/JP2008/060485 WO2009147749A1 (ja) 2008-06-06 2008-06-06 エレベータ装置
EP08765298.8A EP2281768A4 (de) 2008-06-06 2008-06-06 Aufzugsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/060485 WO2009147749A1 (ja) 2008-06-06 2008-06-06 エレベータ装置

Publications (1)

Publication Number Publication Date
WO2009147749A1 true WO2009147749A1 (ja) 2009-12-10

Family

ID=41397841

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/060485 WO2009147749A1 (ja) 2008-06-06 2008-06-06 エレベータ装置

Country Status (5)

Country Link
EP (1) EP2281768A4 (de)
JP (1) JPWO2009147749A1 (de)
KR (1) KR101238084B1 (de)
CN (1) CN102056831A (de)
WO (1) WO2009147749A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019225613A1 (ja) * 2018-05-21 2019-11-28 三菱電機株式会社 エレベータ用綱車およびその製造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105668390A (zh) * 2016-04-12 2016-06-15 波士顿电梯（湖州）有限公司 大包角的电梯曳引系统
JP7161819B2 (ja) * 2019-12-18 2022-10-27 三菱電機株式会社 エレベータ装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002145556A (ja) 2000-11-13 2002-05-22 Mitsubishi Electric Corp エレベータ装置
JP2004026424A (ja) * 2002-06-26 2004-01-29 Toshiba Elevator Co Ltd エレベータ設備
JP2004323213A (ja) * 2003-04-28 2004-11-18 Fujitec Co Ltd ロープ駆動機構
JP2008081256A (ja) * 2006-09-27 2008-04-10 Toshiba Elevator Co Ltd エレベータの駆動方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB754678A (en) * 1953-09-14 1956-08-08 Dynamit Nobel Ag Improvements in or relating to pulleys
CN1222656C (zh) * 1998-12-22 2005-10-12 奥蒂斯电梯公司 电梯的拉力构件
JP3921603B2 (ja) * 2002-01-18 2007-05-30 ニッタ株式会社 エレベータ駆動用ベルト
JP4114431B2 (ja) * 2002-08-08 2008-07-09 フジテック株式会社 駆動装置
JPWO2004080875A1 (ja) * 2003-03-10 2006-06-08 三菱電機株式会社 エレベータ装置
CN2615110Y (zh) * 2003-04-22 2004-05-12 酒井建国 无机房电梯
JP4270018B2 (ja) * 2004-04-19 2009-05-27 株式会社日立製作所 エレベーター装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002145556A (ja) 2000-11-13 2002-05-22 Mitsubishi Electric Corp エレベータ装置
JP2004026424A (ja) * 2002-06-26 2004-01-29 Toshiba Elevator Co Ltd エレベータ設備
JP2004323213A (ja) * 2003-04-28 2004-11-18 Fujitec Co Ltd ロープ駆動機構
JP2008081256A (ja) * 2006-09-27 2008-04-10 Toshiba Elevator Co Ltd エレベータの駆動方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2281768A4 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019225613A1 (ja) * 2018-05-21 2019-11-28 三菱電機株式会社 エレベータ用綱車およびその製造方法
JPWO2019225613A1 (ja) * 2018-05-21 2020-12-10 三菱電機株式会社 エレベータ用綱車およびその製造方法

Also Published As

Publication number Publication date
KR101238084B1 (ko) 2013-02-27
KR20100117122A (ko) 2010-11-02
CN102056831A (zh) 2011-05-11
JPWO2009147749A1 (ja) 2011-10-20
EP2281768A4 (de) 2014-04-30
EP2281768A1 (de) 2011-02-09

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