WO2011135648A1 - Dispositif de contrepoids pour ascenseur et ascenseur - Google Patents

Dispositif de contrepoids pour ascenseur et ascenseur Download PDF

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Publication number
WO2011135648A1
WO2011135648A1 PCT/JP2010/057360 JP2010057360W WO2011135648A1 WO 2011135648 A1 WO2011135648 A1 WO 2011135648A1 JP 2010057360 W JP2010057360 W JP 2010057360W WO 2011135648 A1 WO2011135648 A1 WO 2011135648A1
Authority
WO
WIPO (PCT)
Prior art keywords
counterweight
weight
support
elevator
pair
Prior art date
Application number
PCT/JP2010/057360
Other languages
English (en)
Japanese (ja)
Inventor
大樹 森倉
幸臣 水野
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 PCT/JP2010/057360 priority Critical patent/WO2011135648A1/fr
Publication of WO2011135648A1 publication Critical patent/WO2011135648A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/12—Counterpoises

Definitions

  • the present invention relates to an elevator counterweight device and an elevator.
  • the elevator has a hoistway that extends vertically.
  • a car and a counterweight are provided so as to be able to move up and down.
  • the car and the counterweight are connected by a rope.
  • the rope is driven by the hoisting machine, the car and the counterweight are raised and lowered in opposite directions.
  • the counterweight is usually arranged between a pair of counterweight guide rails erected in the hoistway, and moves while being guided by the guide rails when moving up and down. Further, the counterweight has been hung near the center of the upper surface of the weight (see, for example, Patent Documents 1 to 3).
  • the present invention has been made in view of the above, and an object thereof is to provide an elevator counterweight device and the like that can lower a hoistway.
  • the present invention provides a counterweight device provided with a counterweight provided so as to be capable of being raised and lowered in a hoistway of an elevator, provided on the lower surface of the counterweight, and a guide direction of the counterweight.
  • a pair of weight suspension vehicles are provided so as to be inclined with respect to the width direction.
  • an elevator according to the present invention for achieving the same object is one in which a weight return wheel or a hoisting machine is arranged on the upper part of a weight guide rail, and the above-described counterweight device according to the present invention is provided. It has.
  • the margin dimension to be secured above the counterweight device can be greatly reduced, and the hoistway in the elevator can be kept low.
  • FIG. 1 is a diagram schematically showing a connection relationship with a car and a counterweight with respect to the present embodiment.
  • the elevator 1 includes a hoistway 3, a car device 5 and a counterweight device 7 that can be raised and lowered in the hoistway, a main rope 9 that is a flexible body such as a rope, and a hoisting machine 11. Yes.
  • a pair of car guide rails in a well-known manner are erected, and the car device 5 is provided so as to go up and down while being guided by the car guide rails.
  • a pair of weight guide rails 13 (see FIG. 2 described later) is erected in the hoistway 3, and the counterweight device 7 is guided by the pair of weight guide rails 13 and moves up and down. It is provided as follows.
  • the car device 5 includes a car 15 and a pair of car suspension wheels 17. Further, the counterweight device 7 includes a counterweight 19 and a pair of weight suspension wheels 21.
  • the main rope 9 is wound around the hoisting machine 11.
  • a portion of the main rope 9 extending from one end side of the hoisting machine 11 is wound around a car return wheel 23, and is further wound around a pair of car suspension wheels 17, so that a car side main rope clasp 25 (described later).
  • a portion of the main rope 9 extending from the other end side of the hoisting machine 11 is wound around a weight return wheel 27 and further wound around a pair of weight suspension wheels 21, and the weight side main rope clasp 29. It is fixed with.
  • FIG. 1 gives priority to clearly showing the routing route of the main rope, and the illustrated position is changed so that each part overlaps and is not illustrated, and the actual positional relationship is not shown as it is. Absent.
  • FIG. 2 is a side view of the vicinity of the upper part of the guide rail when the counterweight device is raised to the upper part of the guide rail for weight.
  • FIG. 3 is a plan view showing a configuration in the hoistway.
  • the counterweight device 7 is provided so as to be sandwiched between a pair of weight guide rails 13.
  • the counterweight 19 in the counterweight device 7 includes a weight portion 31, a weight upper frame 33 and a weight lower frame 35 provided above and below the weight portion 31.
  • Weight guide shoes 37a and 37b are provided on upper and lower ends of both side surfaces of the counterweight 19 in the width direction, that is, both side surfaces of the weight upper frame 33 and both side surfaces of the weight lower frame 35.
  • the upper surface of the weight guide shoe 37a provided on both side surfaces of the weight upper frame 33 (the upper ends of both side surfaces of the counterweight 19) is aligned with the upper surface 19a of the weight upper frame 33 (counterweight 19) or It is located below the upper surface 19a.
  • the upper surface of the weight guide shoe 37 a is provided so as not to protrude from the upper surface 19 a of the weight upper frame 33.
  • the lower surface of the weight guide shoe 37b provided on both side surfaces of the weight lower frame 35 is flush with the lower surface 19b of the weight lower frame 35 (counterweight 19). They are arranged or positioned above the lower surface 19b.
  • the lower surface of the weight guide shoe 37 b is provided so as not to protrude from the lower surface 19 b of the weight lower frame 35.
  • the width direction of the counterweight 19 refers to the direction in which the pair of weight guide rails 13 are arranged (the left and right direction in FIGS. 2 and 3).
  • FIG. 4 is a perspective view of the vicinity of the upper portion of the weight guide rail.
  • the weight return wheel 27 described above is rotatably fixed to the upper portion of the weight guide rail 13 on one side (the right side in FIGS. 2 to 4).
  • the weight return wheel 27 is disposed not between the pair of weight guide rails 13 but outside the one weight guide rail 13 (the side away from the other weight guide rail).
  • a weight side main clasp 29 is provided on the upper part of the other weight guide rail 13. An end portion of the main rope 9 wound around the weight suspension wheel 21 is fixed at a weight side main rope clamp 29.
  • FIG. 5 is a schematic diagram showing the relationship between the guide direction of the suspension truck for weight and the counterweight.
  • the guide direction G of the main rope 9 in the pair of weight suspension wheels 21 is configured to be inclined with respect to the width direction W of the counterweight 19.
  • each guide groove outer end 21 a of the weight suspension wheel 21 is positioned outside the counterweight 19 in plan view.
  • the guide groove outer side refers to end portions in a direction away from each other in the pair of weight suspension wheels.
  • FIG. 6 is a perspective view of a suspension vehicle support that supports a pair of weight suspension vehicles.
  • the pair of weight suspension vehicles 21 are supported on the lower surface of the counterweight device 7 in a freely rotatable manner by a suspension vehicle support 39.
  • the suspension vehicle support body 39 supports the first support body 41 in such a manner that the distance between the pair of first support bodies 41 and the pair of first support bodies 41 can be changed.
  • a second support 43 to be used.
  • 1st support body 41 and 2nd support body 43 are comprised with the square pipe of the cross-sectional similar shape from which a magnitude
  • a weight suspension wheel 21 is rotatably attached to one end portion of each first support body 41 via a suspension wheel stopper 45.
  • the suspended vehicle stopper 45 is fixed to the first support body 41 by bolts 47.
  • the other end portion of each first support body 41 is slidably inserted inside a corresponding end portion of the second support body 43.
  • this invention is not limited to this, The thickness relationship of the 1st support body 41 and the 2nd support body 43 is reversed, and the edge part of the 2nd support body 43 is the other end part of the 1st support body 41.
  • the aspect inserted inside may be sufficient.
  • first support body 41 and the second support body 43 are provided with a long slot 49 for sliding.
  • the other one of the first support body 41 and the second support body 43 (the first support body 41 in the present embodiment) is fixed with a slide stop fastening means 51 penetrating the slide long hole 49.
  • the slide long hole 49 is a through hole formed in the second support body 43
  • the slide stop fastening means 51 is a bolt that is screwed into the first support body 41.
  • the distance between the pair of weight suspension trucks 21 and the position of the individual weight suspension trucks 21 can be changed. Further, by using the slide long hole 49 and the slide stop fastening means 51, the distance and the individual positions of the pair of weight suspension wheels 21 are firmly maintained when the elevator is in operation while having a configuration in which the distance and the individual position can be changed. And can be fixed.
  • Either one of the suspension vehicle support 39 and the counterweight 19 is provided with an arc-shaped elongated hole extending in an arc shape, and the other side is fixed with a rotation stop fastening means penetrating the arc-shaped elongated hole.
  • one side means one of the suspension vehicle support 39 and the counterweight 19 itself, or a member / part that is attached or formed integrally with the one.
  • the other side and the other of the suspension vehicle support body 39 and the counterweight 19 itself, or a member attached or formed integrally with the other side.
  • the suspension vehicle support 39 and the weight lower frame 35 of the counterweight 19 are provided with mounting plates 53a and 53b, respectively.
  • the mounting plates 53a and 53b are aligned with each other so that they are generally in surface contact.
  • An arcuate slot 55 is provided in the attachment plate 53a on the suspension vehicle support 39 side.
  • a rotation stop fastening means 57 penetrating the arc-shaped elongated hole 55 is fixed to the mounting plate 53b on the counterweight 19 side.
  • the guide direction G of the pair of weight suspension vehicles 21 can be changed. Furthermore, by using the arc-shaped elongated hole 55 and the rotation stop fastening means 57, it is possible to change the guide direction G, and at the time of the elevator operation, the guide direction of the pair of weight suspension wheels 21 is not moved. Can be fixed.
  • a pair of weight suspension vehicles 21 are provided instead of a single one, and the guide direction G of the weight suspension vehicles 17 is viewed in plan view.
  • the counterweight 19 is inclined with respect to the width direction W.
  • each guide groove outer end 21a of the weight suspension wheel 21 can be positioned outside the counterweight 19 without interfering with the weight guide rail 13 in a plan view.
  • the weight return wheel 27 can be escaped from between the pair of weight guide rails 13, that is, the weight return wheel 27 can be arranged outside the counterweight 19 in plan view. Became.
  • the weight guide rails 13 need only have a length that allows the weight guide shoes 37a to move safely when the counterweight rises, and the weight guide rails 13 can be increased to a large margin. It is no longer necessary to be extended. For this reason, it is possible to greatly reduce the margin dimension to be secured above the counterweight device 7 at the highest position, and finally, it is possible to keep the hoistway in the machine room-less elevator low. It was. Further, as described above, if the upper and lower weight guide shoes 37a and 37b are configured not to protrude from the corresponding upper surface 19a and lower surface 19b of the counterweight 19, it is possible to further reduce the margin dimension. it can.
  • the weight side main clasp 29, the weight return wheel 27, and its mounting bracket are connected to the back surface of the pair of weight guide rails 13 (the sides on which the guide rails are separated from each other). If it is provided on the surface of the counterweight, it is possible to avoid interference with the weight side main clasp 29, the mounting bracket and the like and the counterweight 19 and the upper frame 33 of the counterweight. The effect that the margin dimension to be performed can be reduced is obtained.
  • the weight suspension wheel 21 is provided not at the upper part of the counterweight 19 but at the lower part. Therefore, even if the margin dimension above the counterweight is reduced, the distance between the weight suspension wheel 21 and the weight return wheel 27 is still sufficiently secured.
  • the space above the counterweight can be reduced and the hoistway can be configured low, the main rope 9 is not subjected to excessive force when the counterweight 19 is raised, and the main rope 9 As a result, it is possible to suppress an excessive increase in the fleet angle.
  • each guide groove outer end 21a of the weight suspension wheel 21 is located outside the counterweight 19 in a plan view and extends upward from the weight suspension wheel 21.
  • the cable 9 passes outside the pair of weight guide rails 13 (not between the pair of weight guide rails).
  • the main rope 9 is less likely to interfere with the weight guide rails 13, the rail brackets supporting them, the weight guide shoes 37a and 37b, or other devices. Therefore, the hoistway space (especially the space in the interval direction between the pair of weight guide rails) can be reduced by the counterweight device of the present embodiment, and according to another viewpoint, the hoistway is narrow and the guide rail for weights. The occurrence of interference can be suppressed even when the gap between the device and other devices is small. Further, in this embodiment, the guide direction G of the pair of weight suspension vehicles 21, the distance between the pair of weight suspension vehicles 21, and the position of the individual weight suspension vehicles 21 can be changed in this embodiment. Therefore, in order to avoid interference, the layout can be set quite freely according to the circumstances, conditions, configuration, and design conditions of each site, making it easier to cope with the downsizing of the hoistway. ing.
  • the configuration assumed by the present invention is a configuration in which a means for supporting the main rope is arranged at the upper part of the weight guide rail (above the counterweight), and the present invention is arranged at the upper part of the weight guide rail. It is not limited to the structure provided with the weight return wheel. Therefore, as another example of the present invention, as shown in FIG. 9, a configuration in which the hoisting machine 11 as a means for supporting the main rope is disposed above the counterweight 19 can be mentioned.

Landscapes

  • Cage And Drive Apparatuses For Elevators (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

L'invention présente un dispositif de contrepoids pour un ascenseur qui est capable d'abaisser une gaine. L'invention présente précisément un dispositif de contrepoids (7) équipé d'un contrepoids (19) qui est disposé à l'intérieur d'une gaine (3) d'un ascenseur (1) afin de monter et descendre et d'une paire de réas (21) de suspension pour un poids. La paire de réas (21) de suspension pour le poids est disposée sur la sous-face du contrepoids (19). La paire de réas (21) de suspension pour le poids est disposée de manière telle que leur direction de guidage est inclinée vers la direction dans le sens de la largeur du contrepoids (19).
PCT/JP2010/057360 2010-04-26 2010-04-26 Dispositif de contrepoids pour ascenseur et ascenseur WO2011135648A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/057360 WO2011135648A1 (fr) 2010-04-26 2010-04-26 Dispositif de contrepoids pour ascenseur et ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/057360 WO2011135648A1 (fr) 2010-04-26 2010-04-26 Dispositif de contrepoids pour ascenseur et ascenseur

Publications (1)

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WO2011135648A1 true WO2011135648A1 (fr) 2011-11-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2781481A1 (fr) * 2013-03-19 2014-09-24 Kone Corporation Agencement de contrepoids pour un ascenseur
WO2023127032A1 (fr) * 2021-12-27 2023-07-06 株式会社日立製作所 Contrepoids et ascenseur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520980B2 (fr) * 1975-05-16 1980-06-06
JPS5929021Y2 (ja) * 1979-08-15 1984-08-21 株式会社東芝 油圧エレベ−タ
JPS6356170U (fr) * 1986-09-29 1988-04-14
JPH11240678A (ja) * 1998-02-26 1999-09-07 Toshiba Corp エレベータ用釣合重り
JP2007277015A (ja) * 2007-07-31 2007-10-25 Toshiba Elevator Co Ltd エレベータ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5520980B2 (fr) * 1975-05-16 1980-06-06
JPS5929021Y2 (ja) * 1979-08-15 1984-08-21 株式会社東芝 油圧エレベ−タ
JPS6356170U (fr) * 1986-09-29 1988-04-14
JPH11240678A (ja) * 1998-02-26 1999-09-07 Toshiba Corp エレベータ用釣合重り
JP2007277015A (ja) * 2007-07-31 2007-10-25 Toshiba Elevator Co Ltd エレベータ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2781481A1 (fr) * 2013-03-19 2014-09-24 Kone Corporation Agencement de contrepoids pour un ascenseur
US9561937B2 (en) 2013-03-19 2017-02-07 Kone Corporation Counterweight arrangement for an elevator and an elevator
WO2023127032A1 (fr) * 2021-12-27 2023-07-06 株式会社日立製作所 Contrepoids et ascenseur

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