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WO2002020389A1 - Dispositif elevateur - Google Patents

Dispositif elevateur Download PDF

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Publication number
WO2002020389A1
WO2002020389A1 PCT/JP2000/006163 JP0006163W WO0220389A1 WO 2002020389 A1 WO2002020389 A1 WO 2002020389A1 JP 0006163 W JP0006163 W JP 0006163W WO 0220389 A1 WO0220389 A1 WO 0220389A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheave
driving device
winding angle
driving
car
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.)
Ceased
Application number
PCT/JP2000/006163
Other languages
English (en)
Japanese (ja)
Inventor
Yoshikatsu Hayashi
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
Priority to PCT/JP2000/006163 priority Critical patent/WO2002020389A1/fr
Publication of WO2002020389A1 publication Critical patent/WO2002020389A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B66B11/0065—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 an elevator apparatus in which a car is raised and lowered by a traction force between a driving sheave of a driving device and a main rope wound around the driving sheave.
  • FIG. 5 is a configuration diagram showing a conventional elevator apparatus disclosed in, for example, Japanese Patent Application Laid-Open No. 7-237838, and FIG.
  • a pair of car guide rails 2 and a pair of counterweight guide rails 3 are installed in a hoistway 1.
  • the car 4 is guided up and down the hoistway 1 by the car guide rail 2.
  • the counterweight 5 is guided by the counterweight guide rail 3 and moved up and down in the hoistway 1.
  • a machine room 6 is located above the hoistway 1.
  • a machine stand 7 is installed.
  • a drive unit (hoist) 8 is mounted on the machine base 7.
  • the driving device 8 has a driving device main body 9 and a driving sheave 10 rotated by the driving device main body 9.
  • the machine base 7 supports a rotatable deflector 11. :: 1
  • a main cable 13 for suspending the car 4 and the counterweight 5 is wound around the drive sheave 10 and the deflector wheel 11.
  • a balancing rope 14 is suspended between the lower part of the car 4 and the lower part of the counterweight 5.
  • the lifting stroke becomes longer, and the weight of the main rope 13 depends on the position of the car 4 and the counterweight 5.
  • the weight imbalance becomes large, it was necessary to use a balancing rope 14 that guarantees the weight imbalance in order to maintain the life of the main rope 13 and to obtain the necessary tractor stably.
  • the cost of the elevator device was increased, and the pit 1a of the hoistway 1 had to be deepened.
  • a full wrap method (not shown) may be used to secure the traction force.
  • the full wrap method the axial load of the driving device increases, and the cost of the driving device increases. Disclosure of the invention
  • the present invention has been made to solve the above-described problems. Even when the distance between the suspension center of the car and the suspension center of the counterweight changes, the installation height of the driving device can be reduced. It is an object of the present invention to obtain an elevator device capable of maintaining a required winding angle without increasing the height.
  • An elevator apparatus includes a hoistway, a driving device having a driving device main body and a driving sheave rotated by the driving device main body, a main rope wound around the driving sheave, and a main rope.
  • the car and the counterweight, which are suspended in the hoistway and lifted by the drive unit, and the main rope are wound around, and the suspension position of the main rope is adjusted to the suspension center of either the car or the counterweight.
  • a winding angle increasing sieve having a deflecting wheel and increasing the winding angle of the main rope around the driving sheave is disposed between the driving sheave and the deflecting wheel.
  • FIG. 3 is a perspective view showing the structure of the main rope of FIG. 1,
  • FIG. 4 is a configuration diagram showing a state in which the distance between the suspension centers in FIG. 2 is increased
  • FIG. 5 is a configuration diagram showing an example of a conventional error detection device
  • Fig. 6 is an enlarged view of the machine room in Fig. 5,
  • FIG. 7 is a configuration diagram showing a state where the distance between the suspension centers in FIG. 6 is increased.
  • FIG. 1 is a configuration diagram showing an elevator apparatus according to an example of an embodiment 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.
  • the car 4 is guided up and down the hoistway 1 by the car guide rail 2.
  • the counterweight 5 is guided by the counterweight guide rail 3 and is moved up and down in the hoistway 1.
  • a machine room 6 is arranged above the hoistway 1.
  • a machine stand 7 is installed.
  • a driving device (a hoist) 31 is mounted, and the c driving device 31 is provided with a driving device main body 32 and a driving sheave 33 rotated by the driving device main body 32.
  • the machine base 7 supports a rotatable deflector wheel 11.
  • a main cable 12 for suspending the car 4 and the counterweight 5 is wound around the drive sheave 32 and the deflector wheel 11.
  • the main rope 12 is composed of a synthetic fiber mouthpiece.
  • a rotatable winding angle increasing sheave 34 for increasing the winding angle of the main cable 12 around the driving sheave 33 is disposed between the driving sheave 33 and the deflector wheel 11. That is, since the main rope 12 drives the winding angle increasing sheave 34, the main rope 1 2 is deflected from the driving sheave 33 to the wheel 11 without using the winding angle increasing chip 34.
  • the winding angle of the main cable 12 around the drive sheave 33 is increased as compared with the case where the vehicle travels directly.
  • FIG. 3 is a perspective view showing the structure of the main rope 12 of FIG.
  • an inner strand layer 24 having a plurality of inner strands 22 and a filling strand 23 arranged in a gap between the inner strands 22 is arranged around the core wire 21.
  • Each internal strand 22 is composed of a plurality of aramide fibers and an impregnating material such as polyurethane.
  • the filling strand 23 is made of, for example, polyamide.
  • An outer strand layer 26 having a plurality of outer strands 25 is arranged on the outer periphery of the inner strand layer 24.
  • Each outer strand 25, like the inner strand 22, is composed of a plurality of aramide fibers and an impregnating material such as polyurethane.
  • a reduction coating layer 27 is provided. Further, a protective coating layer 28 is arranged on the outer periphery of the outer strand layer 2'6.
  • the car 4 and the counterweight 5 are suspended in the hoistway 1 by a plurality of main ropes 12 having the above structure.
  • Synthetic fiber ropes have a higher coefficient of friction and higher flexibility than steel ropes.
  • the winding height increasing sheave 34 is arranged between the driving sheave 33 and the deflector wheel 11, so that the height of the driving device 31 is increased.
  • the required winding angle can be maintained. For example, as shown in Fig. 4, even if the distance between the suspension center of the car 4 and the suspension center of the counterweight 5 changes, it can be dealt with only by changing the position of the deflector wheel 1 1 and the drive sheave 3 The winding angle of the main rope 12 to 3 can be maintained.
  • the main rope 12 made of a synthetic fiber rope having a high coefficient of friction and excellent flexibility was used, so that the diameter of the drive sheep 33 and the winding angle increasing sieve 34 was reduced.
  • the bending radius of the main rope 12 can be reduced, and the whole can be compactly configured, and the winding angle increasing chip 34 can be easily arranged. That is, the winding angle increasing sieve 34 is particularly effective for an elevator apparatus using the main rope 12 made of a synthetic fiber rope.
  • the main rope 12 made of a synthetic fiber rope is lighter in weight than a steel rope, the unbalance of the main rope 12 is reduced, and the main rope 12 is wound around the drive sheave 33. Traction mosquitoes can be secured only by the angle, and the area where balancing ropes are not required is expanded. Therefore, the depth of the pit 1a can be reduced.
  • winding angle increasing sieve 34 is attached to the drive unit main body 32, the whole can be made compact.
  • the drive unit 31 and the winding angle increasing sieve 34 are arranged in the dedicated machine room 6, but they may be arranged in the upper part of the hoistway. That is, the present invention can be applied to a so-called machine room-less elevator.
  • the winding angle increasing sieve 34 is attached to the driving device main body 32, but may be arranged away from the driving device 31.
  • the position of the sheave angle increasing sheave 34 with respect to the drive sheave 33 may be adjustable, and the winding angle of the main rope 12 around the drive sheave 33 can be adjusted.
  • the winding angle increasing sheave 34 can be fixed at several places on the side surface of the drive device main body 32, and is selectively fixed to any of the several places at the time of installation.
  • the drive device 31 has a reduction mechanism between the drive sheave 33 and the drive sheave 33 even if the drive sheave 33 is a gearless type directly connected to the drive sheave. Geared type.
  • the main rope 12 made of a synthetic fiber rope was used.However, the present invention is also applicable to an elevator using a main rope made of, for example, a steel rope, a rubber rope, or a flat belt. it can.

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

L'invention concerne un dispositif élévateur, dans lequel une cabine (4) et un contrepoids (5) sont déplacés de haut en bas et de bas en haut dans une cage (1) par un dispositif d'entraînement (31) comprenant un corps de dispositif d'entraînement (32) et une poulie d'entraînement (33), la position suspendue de la corde principale (12) est alignée avec le centre de suspension de la cabine (4) et du contrepoids (5) au moyen d'une poulie de déflecteur (11), et une poulie (34) augmentant l'angle d'enroulement de la corde principale (12) sur la poulie d'entraînement (33) est placée entre la poulie d'entraînement (33) et la poulie du déflecteur (11).
PCT/JP2000/006163 2000-09-08 2000-09-08 Dispositif elevateur Ceased WO2002020389A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/006163 WO2002020389A1 (fr) 2000-09-08 2000-09-08 Dispositif elevateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/006163 WO2002020389A1 (fr) 2000-09-08 2000-09-08 Dispositif elevateur

Publications (1)

Publication Number Publication Date
WO2002020389A1 true WO2002020389A1 (fr) 2002-03-14

Family

ID=11736441

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/006163 Ceased WO2002020389A1 (fr) 2000-09-08 2000-09-08 Dispositif elevateur

Country Status (1)

Country Link
WO (1) WO2002020389A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0420480A (ja) * 1990-05-14 1992-01-24 Toshiba Corp トラクション式エレベータ
JPH0761744A (ja) * 1993-08-18 1995-03-07 Otis Elevator Co 巻き上げ式エレベーター
JPH07267534A (ja) * 1994-03-02 1995-10-17 Inventio Ag エレベータ懸吊手段としてのケーブル

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0420480A (ja) * 1990-05-14 1992-01-24 Toshiba Corp トラクション式エレベータ
JPH0761744A (ja) * 1993-08-18 1995-03-07 Otis Elevator Co 巻き上げ式エレベーター
JPH07267534A (ja) * 1994-03-02 1995-10-17 Inventio Ag エレベータ懸吊手段としてのケーブル

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