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WO2023053181A1 - Ascenseur - Google Patents

Ascenseur Download PDF

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Publication number
WO2023053181A1
WO2023053181A1 PCT/JP2021/035580 JP2021035580W WO2023053181A1 WO 2023053181 A1 WO2023053181 A1 WO 2023053181A1 JP 2021035580 W JP2021035580 W JP 2021035580W WO 2023053181 A1 WO2023053181 A1 WO 2023053181A1
Authority
WO
WIPO (PCT)
Prior art keywords
main rope
weight
hoisting machine
end support
rope end
Prior art date
Application number
PCT/JP2021/035580
Other languages
English (en)
Japanese (ja)
Inventor
隆博 西野
泰裕 金山
克典 西野
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 JP2023550770A priority Critical patent/JP7569456B2/ja
Priority to CN202180102065.5A priority patent/CN117940362A/zh
Priority to PCT/JP2021/035580 priority patent/WO2023053181A1/fr
Publication of WO2023053181A1 publication Critical patent/WO2023053181A1/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 elevators.
  • a machine room-less elevator is an elevator that does not require a machine room to be installed on the roof of a building such as a building or condominium.
  • a machine room-less elevator for example, an elevator described in Patent Document 1 is known.
  • Patent Document 1 a weight for supporting the end of the main rope on the side of the counterweight is used to facilitate maintenance and inspection work of the hoist (drive device) while ensuring the movement range of the counterweight.
  • a configuration of an elevator is disclosed in which the uppermost position of the side main rope end support mechanism (weight side main rope stop) is higher than the position of the hoist.
  • Patent Document 1 discloses a configuration in which the weight-side main rope end support mechanisms are collectively arranged in the vicinity of the ceiling of the hoistway, and the weight-side main rope end support mechanisms are arranged in two upper and lower positions, specifically in the hoistway.
  • a separate arrangement is disclosed in the vicinity of the ceiling and in a position spaced downward from the ceiling of the hoistway.
  • Patent Document 1 has the following problems.
  • the weight-side main rope end support mechanism is divided into two upper and lower parts, the space from the upper weight-side main rope end support mechanism to the ceiling of the hoistway becomes narrower. Maintenance and inspection work of the part support mechanism becomes difficult.
  • the lower weight-side main rope end support mechanism is arranged on the back side of the hoist when the hoist is viewed from the front. Maintenance of the end support mechanism becomes increasingly difficult.
  • the weight-side main rope end support mechanism is divided into two parts, the operator who performs maintenance and inspection work must change the work place and work posture according to each part. , the work efficiency is greatly reduced.
  • the object of the present invention is to provide an elevator that can easily perform maintenance and inspection work on the hoist and the weight-side main rope end support mechanism while securing the movement range of the counterweight.
  • the present application includes a plurality of means for solving the above problems.
  • One of them is a counterweight that moves in the hoistway and a drive pulley that is installed at the top of the hoistway and around which the main rope is wound.
  • a hoisting machine having a hoisting machine, a hoisting machine support base for supporting the hoisting machine, a weight-side main rope anchor to which the end of the main rope extending upward from the counterweight is connected, and a weight-side main rope anchor a weight-side main rope end support mechanism that supports the end of the main rope via a tool; a main rope end support base that is attached to the hoisting machine support base and supports the weight-side main rope end support mechanism; is an elevator with The weight-side main rope end support mechanism is arranged on the side of the hoist so as not to overlap with the hoist when viewed from the central axis direction of the drive pulley.
  • FIG. 1 is a plan view showing a configuration example of an elevator according to this embodiment
  • FIG. 2 is a front view showing a configuration example of an elevator according to this embodiment
  • 3 is an enlarged view of the main part of the elevator shown in FIG. 1.
  • FIG. 2 shows the arrangement state of each part when viewed from the central axis direction of the drive pulley of the hoist.
  • the side on which the drive pulley is arranged is the front side of the hoist, and the opposite side is the back side of the hoist.
  • FIG. 2 shows a state in which the hoist is viewed from the front.
  • the elevator 10 includes a car 14 (FIG. 1) that moves (elevates) in a vertical direction in a hoistway 12 and a pair of car-side guide rails that guide the movement of the car 14. 16, a counterweight 18 (FIG. 2) that moves in the hoistway 12 in the opposite direction to the car 14, a pair of weight-side guide rails 20 that guide the movement of the counterweight 18, and the car 14 in the vertical direction.
  • a hoist 22 for movement and a main rope 24 for transmitting the driving force of the hoist 22 to the car 14 and the counterweight 18 are provided.
  • the elevator 10 is a machine room-less elevator in which a hoist 22 is installed in the hoistway 12 .
  • the hoistway 12 is a vertically long space partitioned by hoistway walls 26 .
  • the hoistway 12 is formed so as to penetrate from the lowest floor to the highest floor of the building.
  • the hoistway wall 26 is a wall having a predetermined thickness t.
  • the car 14 is a car having a space for loading users and luggage.
  • a front portion 28 of the car 14 is provided with a car door (not shown).
  • a hoistway wall 26b positioned on the landing side 30 is provided with a landing door 31 for opening and closing an entrance (not shown).
  • the landing door 31 opens and closes in synchronization with the car door.
  • the car 14 has a pair of car-side pulleys 32 .
  • the pair of car-side pulleys 32 are provided at the lower portion (bottom portion) of the car 14 .
  • the pair of car-side pulleys 32 are rotatably supported.
  • the pair of car-side pulleys 32 move in the hoistway 12 integrally with the car 14 .
  • the pair of car-side guide rails 16 are arranged along the vertical direction. Also, the pair of car-side guide rails 16 are arranged parallel to each other.
  • the car 14 described above is arranged between a pair of car-side guide rails 16 .
  • one car-side guide rail 16 is arranged in a state of being close to and facing one side surface 14a of the car 14, and the other car-side guide rail 16 is arranged to face one side surface 14a of the car 14. It is arranged in a state of being close to and facing the other side 14b of the car 14 .
  • the pair of car-side guide rails 16 are each formed in a T-shape in a plan view, and are arranged so that the T-shaped protrusions face each other on the horizontal reference axis J1. Since the structure for moving the car 14 along the pair of car-side guide rails 16 is well known, the description thereof will be omitted.
  • the counterweight 18 is a weight for reducing the load when the car 14 is raised and lowered by driving the hoist 22 .
  • the counterweight 18 has a weight-side pulley 34 .
  • the weight-side pulley 34 is provided above (top) the counterweight 18 .
  • the weight side pulley 34 is rotatably supported.
  • the weight-side pulley 34 moves in the hoistway 12 integrally with the counterweight 18 .
  • the counterweight 18 is arranged in the space between one side surface 14a of the car 14 and the wall surface 26a of the hoistway wall 26 facing the side surface 14a so as not to interfere with the car 14.
  • the pair of weight-side guide rails 20 are arranged along the vertical direction. Also, the pair of weight-side guide rails 20 are arranged parallel to each other.
  • the counterweight 18 described above is arranged between a pair of weight-side guide rails 20 .
  • Each of the pair of weight-side guide rails 20 is formed in a T-shape in plan view, and is arranged such that the T-shaped protrusions face each other on the horizontal reference axis J2.
  • the angle formed by the horizontal reference axis J1 and the horizontal reference axis J2 is 90 degrees in the horizontal plane orthogonal to the vertical direction. Since the structure for moving the counterweight 18 along the pair of weight-side guide rails 20 is well known, the description thereof is omitted.
  • the hoist 22 is a driving device that generates driving force for moving the car 14 and the counterweight 18 .
  • the hoist 22 is arranged in the space between one side surface 14a of the car 14 and the wall surface 26a of the hoistway wall 26 facing this side surface 14a.
  • the hoist 22 is arranged directly above the counterweight 18 .
  • the hoist 22 is a hoist whose radial dimension is smaller than its axial dimension, that is, a thin hoist.
  • the hoist 22 is installed at the top of the hoistway 12 .
  • the top of the hoistway 12 is a portion higher than the position of the car 14 when the car 14 stops at the top floor of the building, that is, a portion close to the ceiling 12a of the hoistway 12 .
  • the distance from the ceiling 12a of the hoistway 12 to the hoisting machine 22 is determined in consideration of the workability of the hoisting machine 22 installation work and maintenance and inspection work.
  • the hoisting machine 22 includes a hoisting machine main body 36 containing a motor serving as a drive source, a driving pulley 38 that rotates according to the drive of the motor, and a pair of brakes that brake the hoisting machine 22. 40.
  • the hoisting machine 22 is installed on the hoisting machine support base 42 .
  • the hoisting machine support base 42 is configured by, for example, a beam.
  • the hoisting machine support base 42 is arranged in the space between one side surface 14a of the car 14 and the wall surface 26a of the hoistway wall 26, as shown in FIG. Further, the hoisting machine support base 42 is arranged horizontally as shown in FIG.
  • a support base receiving member 44a is arranged at one end of the hoisting machine support base 42 in the longitudinal direction Y, and a support base receiving member 44b is arranged at the other end on the opposite side.
  • the support base receiving members 44a and 44b are members that receive and support the hoisting machine support base 42 from below.
  • the support base receiving member 44a is fixed to one of the weight-side guide rails 20 (on the right side in FIG. 2).
  • the support base receiving member 44b is fixed to one car side guide rail 16 (lower side in FIG. 1).
  • the hoist body 36 is fixed to the upper surface of the hoist support base 42 via a vibration isolating member 46 .
  • the vibration isolating member 46 is a member that suppresses vibration accompanying driving of the hoisting machine 22, and is made of rubber, for example.
  • the drive pulley 38 is arranged on the front side of the hoist 22 .
  • the driving pulley 38 has a central axis J3 that is a virtual axis in design, and rotates around this central axis J3.
  • a central axis J3 of the drive pulley 38 is arranged in a direction perpendicular to the horizontal reference axis J2 connecting the pair of weight-side guide rails 20 .
  • a pair of brakes 40 are arranged above the hoist 22 .
  • the main rope 24 is composed of a plurality of (four in the example shown) steel wires.
  • the number and material of the wires forming the main rope 24 can be arbitrarily changed as long as the safety of the elevator 10 can be ensured.
  • the main rope 24 is wound around the above-described pair of car-side pulleys 32 , the driving pulley 38 of the hoisting machine 22 , and the weight-side pulley 34 .
  • One longitudinal end of the main rope 24 extends upward from one car-side pulley 32 (on the right side in FIG. 1), and the other longitudinal end of the main rope 24 extends upward as shown in FIG. It extends upwardly from the weight side pulley 34 of the counterweight 18 .
  • the ends of the main ropes 24 that extend upwardly from the car pulleys 32 are connected to car main rope anchors 48 (FIG. 1).
  • the end of the main rope 24 extending upward from the weight side pulley 34 is connected to a weight side main rope anchor 50 .
  • the weight-side main rope fasteners 50 are provided for the number of wires constituting the main rope 24 .
  • the weight-side main rope anchor 50 is attached to the weight-side main rope end support mechanism 52 .
  • the weight-side main rope end support mechanism 52 is a mechanism that supports the end of the main rope 24 via the weight-side main rope anchor 50 .
  • the weight-side main rope end support mechanism 52 is mounted on the side of the hoisting machine 22 (the right side in FIG. ).
  • the weight-side main rope end support mechanism 52 is arranged on a horizontal axis J4 perpendicular to the central axis J3 of the drive pulley 38 .
  • the weight-side main rope end support mechanism 52 includes a pair of receiving members 54a and 54b, a nut 55 for restricting the movement of one of the receiving members 54a, and a spring 56 that is an elastic body.
  • the number of parts constituting the weight-side main rope end support mechanism 52 is determined by the number of weight-side main rope anchors 50 .
  • the lower end of the weight-side main rope anchor 50 is provided with a socket 57 for fastening and fixing the upper end of the main rope 24 to the weight-side main rope anchor 50 .
  • a male thread (not shown) is formed on the upper end portion 50a of the weight-side main rope fastener 50, and a nut 55 is engaged with the male thread.
  • the nut 55 has a so-called double nut structure in which two nuts are overlapped and tightened in order to prevent the nut 55 from loosening.
  • the pair of receiving members 54a and 54b are members that receive the force of the spring 56, and are made up of washers, for example.
  • the rod portion of the weight-side main rope anchor 50 is inserted into each of the receiving members 54a, 54b.
  • the spring 56 is composed of a compression coil spring.
  • the rod portion of the weight-side main rope anchor 50 is inserted into the spring 56 .
  • the spring 56 receives a load applied to the receiving member 54a via the main rope 24, the weight-side main rope fastener 50 and the nut 55, and is compressed and deformed.
  • the pair of receiving members 54a and 54b receives the reaction force due to the compressive deformation of the spring 56 respectively.
  • a main rope end support base 60 is attached as shown in FIGS.
  • the main rope end support base 60 is a base for supporting the weight-side main rope end support mechanism 52 .
  • the main rope end support 60 is formed in a gate shape when viewed from the central axis direction of the drive pulley 38 .
  • the main rope end support base 60 is attached to the hoist support base 42 so as to be adjacent to the hoist main body 36 of the hoist machine 22 when viewed from the central axis direction of the drive pulley 38 . This allows the main rope end support 60 to be arranged on the hoist support 42 while avoiding interference with the hoist 22 .
  • the hoisting machine 22 is arranged closer to one side of the hoisting machine support base 42 in the longitudinal direction Y (the left side in FIG. 2), and the main rope end support base 60 is located in the longitudinal direction Y of the hoisting machine support base 42. 2 (right side in FIG. 2).
  • the main rope end support 60 is composed of a pair of leg portions 62 and a top plate portion 64 fixed to the upper ends of the pair of leg portions 61 .
  • a lower end portion of each leg portion 62 is fixed to the hoist support base 42 .
  • the top plate portion 64 is arranged to span between the upper end portions of the pair of leg portions 62 .
  • the top plate portion 64 is fixed to the upper end portion of each leg portion 62 .
  • a through hole (not shown) for passing the rod portion of the weight-side main rope fastener 50 is formed in the top plate portion 64 . Further, on the upper surface of the top plate portion 64, the above-described receiving member 54b is placed.
  • a first tilting suppression mechanism 66 and a second tilting suppression mechanism 68 are provided on a horizontal axis J4 perpendicular to the central axis J3 of the drive pulley 38 .
  • the first collapse suppression mechanism 66 is provided between the hoist 22 and the car-side guide rail 16 .
  • the second collapse suppression mechanism 68 is provided between the hoist 22 and the main rope end support 60 .
  • Both the first tilting suppression mechanism 66 and the second tilting suppression mechanism 68 are mechanisms for suppressing the tilting (inclination) of the hoisting machine 22 .
  • the fall of the hoist 22 is caused by a suspension load applied to the driving pulley 38 through the main rope 24 wound around the driving pulley 38 .
  • This suspended load is applied downward to the drive pulley 38 in response to the mass of the car 14 and counterweight 18 . Therefore, if the first fall prevention mechanism 66 and the second fall prevention mechanism 68 are not provided, the hoisting machine 22 tends to fall in the A direction in FIG. 3 due to the suspension load applied to the drive pulley 38 .
  • the first collapse suppression mechanism 66 is composed of a first collapse suppression plate 71 fixed to one side surface of the hoist main body 36 and a bracket 72 fixed to the car-side guide rail 16 .
  • the first fall suppression plate 71 and the bracket 72 are fixed to each other.
  • the first collapse suppression mechanism 66 connects the hoist main body 36 to the car-side guide rail 16 via the first collapse suppression plate 71 and the bracket 72 to prevent the hoist 22 from collapsing due to the suspension load. Suppress.
  • the second collapse suppression mechanism 68 is composed of a second collapse suppression plate 74 fixed to the other side surface of the hoist main body 36 and a fixing member 76 fixed to the main rope end support base 60. There is The second tilt suppression plate 74 is arranged on the horizontal axis J4 together with the first tilt suppression plate 71 .
  • the second collapse suppression plate 74 is provided as an example of a collapse suppression member.
  • the fixing member 76 is composed of an L-shaped metal plate.
  • the fixed member 76 integrally has a fixed piece 76a and an upright piece 76b.
  • the fixed piece 76 a is fixed to the upper surface of the top plate portion 64 .
  • the standing piece 76b stands vertically from the fixed piece 76a.
  • the second tilt suppression plate 74 is arranged in contact with the upright piece 76b of the fixed member 76 in the direction of the central axis of the drive pulley 38 (horizontal direction in FIG. 3).
  • the central axis direction of the drive pulley 38 is a direction parallel to the central axis J3 of the drive pulley 38 .
  • the second fall suppression mechanism 68 provides a force (hereinafter referred to as "resisting force") that resists the fall of the hoisting machine 22 when the hoisting machine 22 is about to fall in the direction A in FIG. 3 due to the suspension load. )F (see FIG. 3) to suppress the fall of the hoist 22 .
  • the resistance force F is a force that is generated in the direction opposite to the direction A at the contact portion between the second tilt suppression plate 74 and the fixing member 76 .
  • the fixing member 76 in the configuration of the second collapse suppression mechanism 68, the fixing member 76, as shown in FIG.
  • the moment load M applied to the weight-side main rope anchorage 50 through the anchorage 50 cancels each other out.
  • the weight-side main rope end support mechanism 52 having the weight-side main rope anchors 50 in the transverse direction X of the hoisting machine support base 42 perpendicular to the longitudinal direction Y is positioned at the main rope.
  • the fixing member 76 is arranged on one side (right side in FIG. 4) of the vertical reference axis J5 passing through the center of the width direction of the end support 60, and the fixing member 76 is on the other side (left side in FIG. 4) of the vertical reference axis J5. placed side by side.
  • the weight-side main rope end support mechanisms 52 are collectively arranged at one place on the side of the hoisting machine 22, the operator who performs the maintenance and inspection work does not have to change the work place or work posture significantly. finish. Therefore, work efficiency can be improved. Further, since the weight-side main rope end support mechanism 52 is not present on the back side of the hoisting machine 22 , the hoisting machine 22 can be arranged close to the wall surface 26 a of the hoistway wall 26 .
  • main rope end support base 60 is mounted on the hoisting machine support base 42, there is no need to separately provide a member for mounting the main rope end support base 60.
  • the number of elevator parts can be reduced.
  • the height of the main rope end support base 60 can be used to dispose the weight-side main rope end support mechanism 52 away from the hoist support base 42 .
  • the hoisting machine 22 and the main rope end support 60 are arranged on one side and the other side of the hoisting machine support 42 in the longitudinal direction Y. As a result, interference between the hoisting machine 22 and the main rope end support 60 on the hoisting machine support 42 can be avoided.
  • the weight-side main rope end support mechanism 52 is arranged on the horizontal axis J4 orthogonal to the central axis J3 of the drive pulley 38 .
  • the height positions of the hoisting machine 22 and the weight-side main rope end support mechanism 52 are aligned, so that the maintenance and inspection work of the hoisting machine 22 and the weight-side main rope end support mechanism 52 can be performed more easily. be able to.
  • a fixing member 76 is arranged at a position where Thereby, the load acting in the lateral direction X of the hoisting machine support base 42 can be balanced.
  • the moment load M applied to the weight-side main rope anchorage 50 can be effectively used as a load for suppressing the hoisting machine 22 from falling.
  • the second collapse suppression mechanism 68 has a second collapse suppression plate 74 fixed to the hoisting machine 22 , and the second collapse suppression plate 74 contacts the fixed member 76 . placed in a state.
  • a force that resists the fall of the hoisting machine 22 can be generated at the contact portion between the second fall suppression plate 74 and the fixed member 76 .
  • the present invention is not limited to the above-described embodiments, and includes various modifications.
  • the details of the present invention have been described for easy understanding, but the present invention is not necessarily limited to having all the configurations described in the above-described embodiments.
  • part of the configuration of one embodiment can be replaced with the configuration of another embodiment.
  • add the configuration of another embodiment to the configuration of one embodiment.
  • the main rope end support base 60 is formed in a gate shape when viewed from the central axis direction of the drive pulley 38, but the shape of the main rope end support base 60 is not limited to a gate shape. shape may be used.
  • the fixed member 76 may be provided with ribs (not shown) as necessary in order to increase the strength (rigidity) of the fixed member 76 as a whole. Further, a vibration isolating rubber (not shown) may be sandwiched between the second fall-suppressing plate 74 and the standing piece 76b of the fixing member 76. As shown in FIG. That is, the second tilt suppression plate 74 is not limited to being in direct contact with the fixing member 76 , and may be arranged in an indirect contact with the fixing member 76 . Further, the shape of the fixing member 76 is not limited to the L shape, and other shapes may be adopted. The second collapse suppression plate 74 may directly contact or be fixed to the main rope end support base 60 . That is, the fixing member 76 may have an integral structure with the main rope end support 60 .

Landscapes

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

Abstract

Cet ascenseur comprend : un contrepoids ; une machine d'enroulement ayant une poulie d'entraînement autour de laquelle un câble principal est enroulé ; une base de support de machine d'enroulement qui supporte la machine d'enroulement ; un dispositif de retenue de câble principal côté poids qui est relié à une extrémité du câble principal s'étendant vers le haut à partir du contrepoids ; un mécanisme de support d'extrémité de câble principal côté poids qui supporte l'extrémité de câble principal ; et une base de support d'extrémité de câble principal qui est montée sur la base de support de machine d'enroulement et qui supporte le mécanisme de support d'extrémité de câble principal côté poids. Le mécanisme de support d'extrémité de câble principal côté poids est disposé sur le côté latéral de la machine d'enroulement de façon à ne pas chevaucher la machine d'enroulement vue depuis la direction de l'axe central de la poulie d'entraînement.
PCT/JP2021/035580 2021-09-28 2021-09-28 Ascenseur WO2023053181A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023550770A JP7569456B2 (ja) 2021-09-28 2021-09-28 エレベーター
CN202180102065.5A CN117940362A (zh) 2021-09-28 2021-09-28 电梯
PCT/JP2021/035580 WO2023053181A1 (fr) 2021-09-28 2021-09-28 Ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/035580 WO2023053181A1 (fr) 2021-09-28 2021-09-28 Ascenseur

Publications (1)

Publication Number Publication Date
WO2023053181A1 true WO2023053181A1 (fr) 2023-04-06

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ID=85781479

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/035580 WO2023053181A1 (fr) 2021-09-28 2021-09-28 Ascenseur

Country Status (3)

Country Link
JP (1) JP7569456B2 (fr)
CN (1) CN117940362A (fr)
WO (1) WO2023053181A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1160117A (ja) * 1997-08-25 1999-03-02 Hitachi Ltd エレベーター
JP2000318946A (ja) * 1999-04-30 2000-11-21 Toshiba Corp エレベーター装置
JP2010064873A (ja) * 2008-09-12 2010-03-25 Hitachi Ltd エレベーター装置
JP2014001036A (ja) * 2012-06-18 2014-01-09 Toshiba Elevator Co Ltd エレベータシステム
WO2016030943A1 (fr) * 2014-08-25 2016-03-03 三菱電機株式会社 Dispositif d'installation de levage d'ascenseur
WO2017141438A1 (fr) * 2016-02-19 2017-08-24 三菱電機株式会社 Dispositif d'ascenseur
WO2018225140A1 (fr) * 2017-06-06 2018-12-13 株式会社日立製作所 Ascenseur
JP2019123579A (ja) * 2018-01-15 2019-07-25 フジテック株式会社 エレベータ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1160117A (ja) * 1997-08-25 1999-03-02 Hitachi Ltd エレベーター
JP2000318946A (ja) * 1999-04-30 2000-11-21 Toshiba Corp エレベーター装置
JP2010064873A (ja) * 2008-09-12 2010-03-25 Hitachi Ltd エレベーター装置
JP2014001036A (ja) * 2012-06-18 2014-01-09 Toshiba Elevator Co Ltd エレベータシステム
WO2016030943A1 (fr) * 2014-08-25 2016-03-03 三菱電機株式会社 Dispositif d'installation de levage d'ascenseur
WO2017141438A1 (fr) * 2016-02-19 2017-08-24 三菱電機株式会社 Dispositif d'ascenseur
WO2018225140A1 (fr) * 2017-06-06 2018-12-13 株式会社日立製作所 Ascenseur
JP2019123579A (ja) * 2018-01-15 2019-07-25 フジテック株式会社 エレベータ

Also Published As

Publication number Publication date
JP7569456B2 (ja) 2024-10-17
CN117940362A (zh) 2024-04-26
JPWO2023053181A1 (fr) 2023-04-06

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