WO2020084701A1 - Élévateur et mécanisme de support de câble de compensation - Google Patents

Élévateur et mécanisme de support de câble de compensation Download PDF

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Publication number
WO2020084701A1
WO2020084701A1 PCT/JP2018/039412 JP2018039412W WO2020084701A1 WO 2020084701 A1 WO2020084701 A1 WO 2020084701A1 JP 2018039412 W JP2018039412 W JP 2018039412W WO 2020084701 A1 WO2020084701 A1 WO 2020084701A1
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WO
WIPO (PCT)
Prior art keywords
rope
compensating
compensating rope
car
socket
Prior art date
Application number
PCT/JP2018/039412
Other languages
English (en)
Japanese (ja)
Inventor
鈴木　隆裕
島田　勝博
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to CN201880098857.8A priority Critical patent/CN112867689B/zh
Priority to PCT/JP2018/039412 priority patent/WO2020084701A1/fr
Priority to JP2020551757A priority patent/JP7105906B2/ja
Publication of WO2020084701A1 publication Critical patent/WO2020084701A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings

Definitions

  • the present invention relates to an elevator having a compensating rope connected to a car and a counterweight and a compensating rope supporting mechanism.
  • Rope used in elevators such as compensating ropes and main ropes are made by twisting strands around core steel, so they rotate in the circumferential direction when a force is applied in the pulling direction.
  • a technique for preventing the rotation of the rope for example, a technique described in Patent Document 1 has been proposed.
  • Patent Document 1 describes a thimble rod rotation stopping mechanism including a thimble rod and a penetrating member. Then, the penetrating member has a penetrating portion in which a through hole through which the thimble rod penetrates is formed and a rod rotation restricting portion. The rod rotation restricting portion restricts the thimble rod from rotating beyond a predetermined angle by coming into contact with the peripheral surface of the thimble rod when the thimble rod passing through the through hole rotates about the axis of the thimble rod. To do. Further, Patent Document 1 describes that the thimble rod is formed such that the distance from the axis of the thimble rod to the circumferential surface of the thimble rod varies depending on the position in the circumferential direction.
  • a babbitt type As a method of supporting the end part of the rope, there are a babbitt type and a wedge type.
  • the Babbitt type the rope socket holding the end of the rope is preheated and molten metal is poured into the rope socket to fix the rope end.
  • This Babbitt type requires high skill, and the finish varies depending on the skill level of the operator. Therefore, in recent years, a wedge type having a lower skill demand than the babbitt type has been demanded.
  • FIG. 5 is a perspective view showing a structure for supporting an end portion of a compensating rope by a wedge type in a conventional example.
  • the conventional support mechanism 300 includes a wedge member 301, a rope socket 302, a mounting plate 303 fixed to a car or a counterweight, a rod 305, and a connecting pin 306. There is.
  • the end of the compensating rope 131 is wound around the wedge member 301. Then, the end portion of the compensating rope 131 wound around the wedge member 301 is attached to the rope socket 302. Further, the ends of the compensating rope 131 are folded back to be overlapped with each other and fastened by the rope clip 304.
  • the rope socket 302 is connected to the rod 305 via a connecting pin 306. Then, the rod 305 is inserted into a mounting hole provided in the mounting plate 303 from below in the vertical direction, and is fixed to the mounting plate 303 by a fixing bolt 307.
  • an object of the present invention is to provide an elevator and a compensating rope supporting mechanism that can prevent the rotation of the compensating rope, reduce the number of parts, and save space. .
  • an elevator includes a car, a counterweight, a compensating rope, and a compensating rope supporting mechanism.
  • the car moves up and down in the hoistway provided in the building structure.
  • the counterweight is connected to the car through a main rope.
  • One end of the compensating rope is connected to the car, and the other end opposite to the one end is connected to the counterweight.
  • the compensating rope support mechanism connects one end of the compensating rope to a car or the other end to a counterweight.
  • the compen rope support mechanism includes a wedge member, a rope socket, and a mounting plate. One end or the other end of the compensating rope is wound around the wedge member.
  • the rope socket is formed with an insertion hole into which one end or the other end of the compensating rope wound around the wedge member is inserted.
  • the mounting plate is installed in a car or a counterweight, with a part of the lower portion of the rope socket in the vertical direction inserted from above in the vertical direction, and a fitting hole into which a part of the rope socket is fitted. .
  • the elevator and the compensating rope support mechanism having the above structure, it is possible to prevent rotation of the compensating rope, reduce the number of parts, and save space.
  • FIGS. 1 to 4 In each figure, common members are designated by the same reference numerals.
  • FIG. 1 is a schematic configuration diagram showing a configuration example of the elevator of this example.
  • the elevator 1 of this example is provided in a hoistway 110 formed in a building structure.
  • the elevator 1 moves up and down in the hoistway 110 and includes a car 120 on which people and luggage are placed, a main rope 130, a counterweight 140, and a hoist 100.
  • a machine room 160 is provided at the top of the hoistway 110.
  • the elevator 1 also includes a plurality of compensating ropes 131, a compensating pulley 132 around which the compensating rope 131 is wound, a compensating rope supporting mechanism 10 that supports the compensating rope 131, and an adjusting mechanism 190.
  • the hoisting machine 100 is arranged in the machine room 160, and raises and lowers the car 120 by winding the main rope 130.
  • a warp wheel 150 on which the main rope 130 is mounted is provided near the hoisting machine 100.
  • An end of the main rope 130 in the axial direction is connected to the upper portion of the car 120, and the other end of the main rope 130 in the axial direction is connected to the upper portion of the counterweight 140. Therefore, the car 120 is connected to the counterweight 140 via the main rope 130.
  • the car 120 moves up and down in the hoistway 110 along the car-side guide rail (not shown), and the counterweight 140 moves along the hoistway-side guide rail (not shown).
  • the inside of 110 is moved up and down.
  • the direction in which the car 120 and the counterweight 140 move up and down is the vertical direction. Further, the vertical direction is parallel to the vertical direction.
  • the compensating rope 131 is provided in order to reduce the difference between the weight of the main rope 130 on the side of the car 120 and the weight on the side of the counterweight 140.
  • the compensating rope 131 is connected so as to connect the car 120 and the counterweight 140.
  • One end 131a of the compensating rope 131 is connected to a machine beam 121 provided in the lower portion of the car 120 in the vertical direction via a compensating rope supporting mechanism 10 described later.
  • the other end 131b of the compensating rope 131 which is opposite to the one end 131a, is connected to the side surface of the counterweight 140 via an adjusting mechanism 190.
  • the adjusting mechanism 190 has an elastic member such as a coil spring, and adjusts the tension of the compensating rope 131.
  • the compensating rope 131 hangs down from the car 120 or the counterweight 140 toward the lower part of the hoistway 110.
  • An intermediate portion 131 c of the compensating rope 131 that hangs down the hoistway 110 is wound around a compensating pulley 132.
  • the compensating pulley 132 is rotatably arranged in a pit provided below the hoistway 110 in the vertical direction.
  • FIG. 2 is a perspective view showing one end 131a of the compensating rope 131
  • FIG. 3 is a sectional view showing the compensating rope supporting mechanism 10. As shown in FIG.
  • the compen rope supporting mechanism 10 includes a wedge member 11, a rope socket 12, a mounting plate 13, and a rope clip 14.
  • the wedge member 11 is formed in a substantially triangular shape, and one end 131a of the compensating rope 131 is wound around it.
  • One end 131a of the compensating rope 131 is folded back by being wound around the wedge member 11. Then, the one end portion 131 a of the compensating rope 131 is folded back to be overlapped, and is fastened by the rope clip 14.
  • the rope socket 12 is formed in a rectangular column shape.
  • the rope socket 12 is formed with an insertion hole 16 penetrating in the vertical direction.
  • the insertion hole 16 is formed in a taper shape in which the opening diameter continuously decreases from the upper side to the lower side of the rope socket 12 in the vertical direction. This can prevent the one end portion 131a of the compensating rope 131 and the wedge member 11 inserted into the insertion hole 16 from coming off from the insertion hole 16.
  • a fitting protrusion 17 is formed on the lower end of the rope socket 12 in the vertical direction.
  • the fitting protrusion 17 projects downward from the lower surface portion 12a of the lower end portion of the rope socket 12 in the vertical direction.
  • the fitting protrusion 17 is formed in a rectangular shape.
  • the horizontal projection area of the fitting protrusion 17 is set smaller than the horizontal projection area of the rope socket 12.
  • the fitting protrusion 17 is formed with an insertion hole 17a that penetrates in the vertical direction.
  • the insertion hole 17 a communicates with the insertion hole 16 of the rope socket 12.
  • One end 131 a of the compensating rope 131 wound around the wedge member 11 is inserted into the insertion hole 16 of the rope socket 12 and the insertion hole 17 a of the fitting protrusion 17.
  • the one end 131a of the compensating rope 131 is held by the rope socket 12 and the wedge member 11.
  • the rope socket 12 holding one end 131a of the compensating rope 131 is attached to the attachment plate 13. As shown in FIG. 1, the mounting plate 13 is fixed to a machine beam 121 provided in a lower portion of the car 120.
  • the mounting plate 13 has a plurality of fitting holes 18 formed therein.
  • the number of fitting holes 18 corresponds to the number of compensating ropes 131 installed.
  • the fitting hole 18 is formed by penetrating the mounting plate 13 in the vertical direction.
  • the opening shape of the fitting hole 18 corresponds to the shape of the fitting protrusion 17, and is formed in a substantially rectangular shape.
  • the fitting protrusion 17, which is a part of the rope socket 12, is inserted into the fitting hole 18 from above and below, and the fitting protrusion 17 is fitted into the fitting hole 18. Then, the lower surface portion 12a of the rope socket 12 contacts the upper surface portion 13a of the mounting plate 13 in the vertical direction. Accordingly, the one end 131a of the compensating rope 131 can be fixed to the lower portion of the car 120 via the rope socket 12 and the mounting plate 13. Since the compensating rope 131 is pulled downward in the vertical direction by a predetermined tension, the rope socket 12 and the one end 131a of the compensating rope 131 do not come out of the mounting plate 13.
  • the mounting plate 13 has an opening 19 formed therein.
  • the opening portion 19 is formed by cutting out from the side surface portion of the mounting plate 13 to the edge portion of the fitting hole 18.
  • One end 131 a of the compensating rope 131 is inserted into the opening 19. Then, the one end 131 a of the compensating rope 131 passes through the opening 19 from the outside of the mounting plate 13 and is inserted into the fitting hole 18.
  • the width of the horizontal opening in the opening 19 is set to be shorter than the horizontal length of the fitting protrusion 17. As a result, the fitting protrusion 17 fitted in the fitting hole 18 can be prevented from coming out of the opening 19.
  • the compensating rope support mechanism 10 of this example no other member is installed above the one end portion 131a of the compensating rope 131 in the vertical direction.
  • the vertical length of the compensating rope supporting mechanism 10 can be shortened, and the space saving of the compensating rope supporting mechanism 10 can be achieved.
  • the one end portion 131a of the compensating rope 131 can be fixed to the mounting plate 13 without using a fixing bolt, a rod, or a connecting pin, so that the number of parts can be reduced.
  • the fitting protrusion 17 is fitted into the fitting hole 18, and the fitting protrusion 17 and the fitting hole 18 are formed in a rectangular shape. Accordingly, when the load in the pulling direction is applied to the compensating rope 131, the compensating rope 131 can be prevented from rotating.
  • the fitting protrusion 17 is formed in a substantially rectangular shape
  • the present invention is not limited to this.
  • the fitting protrusion 17 is formed in various shapes such as a hexagonal column shape and an elliptic column shape.
  • the fitting protrusion 17 has a shape in which the length from the central axis through which the compensating rope 131 is inserted to the outer periphery is not constant, that is, such as a quadrangle or an ellipse. Further, it is preferable that the shape has a portion having different lengths from the central axis to the outer circumference.
  • the fitting protrusion 17 may be formed in a cylindrical shape, and a protrusion for preventing rotation may be provided on the side surface thereof.
  • the opening shape of the fitting hole 18 is appropriately formed according to the shape of the fitting protrusion 17.
  • the fitting protrusion 17 may be formed in a cylindrical shape.
  • FIG. 4 is a sectional view showing a compensating rope support mechanism according to the second embodiment.
  • the compensating rope support mechanism 30 according to the second embodiment differs from the compensating rope support mechanism 10 according to the first embodiment in that the rope socket is fitted to the mounting plate. Therefore, the same parts as those of the compensating rope support mechanism 10 according to the first embodiment are designated by the same reference numerals, and the duplicated description will be omitted.
  • the compen rope support mechanism 30 has a wedge member 11, a rope socket 32, a mounting plate 33, and a rope clip 14.
  • the rope socket 32 is formed in a substantially rectangular column shape.
  • the rope socket 32 is formed with an insertion hole 36 that opens in a tapered shape.
  • One end portion 131 a of the compensating rope 131 wound around the wedge member 11 is inserted into the insertion hole 36 of the rope socket 32.
  • the fitting plate 33 has a fitting hole 38, a communication hole 41 communicating with the fitting hole 38, and an opening not shown in the drawing.
  • the fitting hole 38 is formed in the upper surface portion 33a of the mounting plate 33, and has a predetermined length from the upper surface portion 33a downward in the vertical direction. The lower part of the rope socket 32 in the vertical direction is fitted into the fitting hole 38.
  • a communication hole 41 is continuously formed from the lower end of the fitting hole 38 in the vertical direction.
  • the opening area of the communication hole 41 is set smaller than the opening area of the fitting hole 38. Therefore, a step surface 42 is formed at a place where the communication hole 41 and the fitting hole 38 are connected.
  • the lower surface 32a of the rope socket 32 fitted in the fitting hole 38 abuts on the step surface 42. Accordingly, the one end 131a of the compensating rope 131 can be fixed to the car 120 via the rope socket 32 and the mounting plate 33.
  • the compensating rope support mechanism 30 according to the second embodiment can also obtain the same operational effect as the compensating rope support mechanism 10 according to the above-described first embodiment.
  • the fitting projection 17 having a horizontal projection area smaller than that of the rope socket 12 is formed, so that the fitting projection 17 is fitted.
  • the opening area of the joint hole 18 can be reduced.
  • the mounting plate 13 in which the fitting hole 18 is formed is smaller than that of the compensating rope support mechanism 30 of the second embodiment. The size of the support mechanism can be reduced, and the size of the entire support mechanism can be reduced.
  • the present invention is not limited to the embodiments described above and shown in the drawings, and various modifications can be made without departing from the scope of the invention described in the claims.
  • the elevator may be applied to, for example, a so-called machine room-less elevator that does not have a machine room in the hoistway.
  • one end 131a of the compensating rope 131 on the side of the car 120 is supported and fixed by the compensating rope supporting mechanisms 10 and 30. Then, the other end 131b of the compensating rope 131 on the side of the counterweight 140 is supported and fixed by the adjusting mechanism 190.
  • the end portion where the compensating rope support mechanisms 10 and 30 are arranged is not limited to the one end portion 131a on the side of the car 120.
  • one end 131a of the compensating rope 131 may be supported by the adjusting mechanism 190, and the other end 131b of the compensating rope 131 may be supported by the compensating rope supporting mechanisms 10, 30.
  • both ends of the compensating rope 131 on the car 120 side and the counterweight 140 side may be supported by the compensating rope supporting mechanisms 10, 30. .
  • the adjusting mechanism 190 requires a spring member or the like for adjusting the tension of the compensating rope 131, the length in the vertical direction is longer than that of the compensating rope supporting mechanisms 10 and 30.
  • the other end 131 b of the compensating rope 131 is connected to the side surface of the counterweight 140. Therefore, the adjusting mechanism 190 is preferably installed at the other end 131b of the compensating rope 131 having a space in the vertical direction.
  • one end 131a of the compensating rope 131 is connected to the lower part of the car 120. Further, the car 120 moves to the lower part in the up-down direction near the pit of the hoistway 110. When the length of the lower portion of the car 120 becomes long, it is necessary to lengthen the vertical length of the pit in the hoistway 110.
  • the above-described compensating rope supporting mechanisms 10 and 30, which can save space in the vertical direction more than the adjusting mechanism 190, at the one end portion 131a of the car 120 side.
  • the mechanisms 10 and 30 can prevent the vertical length of the pit in the hoistway 110 from increasing.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

L'invention concerne un mécanisme de support de câble de compensation pourvu d'un élément de coin, d'une douille de câble et d'une plaque de fixation. Une partie d'extrémité d'un câble de compensation est enroulée autour de l'élément de coin. Un trou d'insertion est formé dans la douille de câble, une partie d'extrémité du câble de compensation enroulé autour de l'élément de coin étant insérée à travers le trou d'insertion. Un trou d'ajustement est formé dans la plaque de fixation, une partie de la douille de câble étant ajustée dans le trou d'ajustement.
PCT/JP2018/039412 2018-10-24 2018-10-24 Élévateur et mécanisme de support de câble de compensation WO2020084701A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880098857.8A CN112867689B (zh) 2018-10-24 2018-10-24 电梯以及补偿绳索支承机构
PCT/JP2018/039412 WO2020084701A1 (fr) 2018-10-24 2018-10-24 Élévateur et mécanisme de support de câble de compensation
JP2020551757A JP7105906B2 (ja) 2018-10-24 2018-10-24 エレベーター及びコンペンロープ支持機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/039412 WO2020084701A1 (fr) 2018-10-24 2018-10-24 Élévateur et mécanisme de support de câble de compensation

Publications (1)

Publication Number Publication Date
WO2020084701A1 true WO2020084701A1 (fr) 2020-04-30

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ID=70331824

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/039412 WO2020084701A1 (fr) 2018-10-24 2018-10-24 Élévateur et mécanisme de support de câble de compensation

Country Status (3)

Country Link
JP (1) JP7105906B2 (fr)
CN (1) CN112867689B (fr)
WO (1) WO2020084701A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149445A (en) * 1979-05-11 1980-11-20 Hitachi Ltd Balancing rope for elevator
JPS6026498U (ja) * 1984-06-20 1985-02-22 株式会社日立製作所 エレベータのバランス補償索取付装置
US5353893A (en) * 1993-07-12 1994-10-11 Otis Elevator Company Elevator cab and/or counterweight compensation rope hitch assembly
JPH0958944A (ja) * 1995-08-22 1997-03-04 Hitachi Building Syst Co Ltd エレベータの主ロープ調整装置
JP2012096907A (ja) * 2010-11-04 2012-05-24 Mitsubishi Electric Building Techno Service Co Ltd 楔式ロープ留め金具の挿入装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI120830B (fi) * 2008-08-13 2010-03-31 Kone Corp Menetelmä ja järjestely hissin kompensaatioköysien kiinnittämiseksi
JP5684105B2 (ja) * 2011-12-28 2015-03-11 株式会社日立ビルシステム ロープテンション調整装置及びロープテンション調整システム
EP2878563B1 (fr) * 2013-11-29 2017-03-22 KONE Corporation Ensemble de borne de câble et élévateur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149445A (en) * 1979-05-11 1980-11-20 Hitachi Ltd Balancing rope for elevator
JPS6026498U (ja) * 1984-06-20 1985-02-22 株式会社日立製作所 エレベータのバランス補償索取付装置
US5353893A (en) * 1993-07-12 1994-10-11 Otis Elevator Company Elevator cab and/or counterweight compensation rope hitch assembly
JPH0958944A (ja) * 1995-08-22 1997-03-04 Hitachi Building Syst Co Ltd エレベータの主ロープ調整装置
JP2012096907A (ja) * 2010-11-04 2012-05-24 Mitsubishi Electric Building Techno Service Co Ltd 楔式ロープ留め金具の挿入装置

Also Published As

Publication number Publication date
JPWO2020084701A1 (ja) 2021-09-02
CN112867689A (zh) 2021-05-28
JP7105906B2 (ja) 2022-07-25
CN112867689B (zh) 2022-09-13

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