WO2023002603A1 - Dispositif d'inspection et dispositif d'ascenseur - Google Patents

Dispositif d'inspection et dispositif d'ascenseur Download PDF

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Publication number
WO2023002603A1
WO2023002603A1 PCT/JP2021/027329 JP2021027329W WO2023002603A1 WO 2023002603 A1 WO2023002603 A1 WO 2023002603A1 JP 2021027329 W JP2021027329 W JP 2021027329W WO 2023002603 A1 WO2023002603 A1 WO 2023002603A1
Authority
WO
WIPO (PCT)
Prior art keywords
rope
marking
marking device
detection area
detector
Prior art date
Application number
PCT/JP2021/027329
Other languages
English (en)
Japanese (ja)
Inventor
康太郎 渡辺
Original Assignee
三菱電機ビルソリューションズ株式会社
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 三菱電機ビルソリューションズ株式会社 filed Critical 三菱電機ビルソリューションズ株式会社
Priority to PCT/JP2021/027329 priority Critical patent/WO2023002603A1/fr
Priority to CN202180100806.6A priority patent/CN117693485B/zh
Priority to KR1020247004570A priority patent/KR102676106B1/ko
Priority to JP2023536293A priority patent/JP7414189B2/ja
Publication of WO2023002603A1 publication Critical patent/WO2023002603A1/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
    • B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
    • B66B7/1207—Checking means
    • B66B7/1215—Checking means specially adapted for ropes or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides

Definitions

  • the present disclosure relates to a device for inspecting ropes and an elevator device.
  • Patent Document 1 describes an elevator device.
  • the elevator device described in Patent Document 1 comprises a device for inspecting ropes.
  • the device comprises a cloth that contacts the rope. When the cloth is hooked on the broken part of the rope, the slide part slides and the rope is marked.
  • Patent Document 1 has only one device for marking. For this reason, a sliding part or the like is required for marking at an appropriate position, which complicates the structure.
  • the inspection device includes a detector for detecting the presence of a broken portion in a portion of the rope arranged in a specific detection area, and a marking process on one portion of the rope extending from the detection area. a first marking device for marking, a second marking device for marking the other portion of the rope extending from the detection area, and the first marking device and the second marking according to the detection result of the detector and control means for controlling the device.
  • An elevator apparatus includes a car that moves in a hoistway, a rope that suspends the car, a hoist around which the rope is wound, and an inspection device that inspects the rope.
  • the inspection device includes a detector for detecting the presence of a broken portion in a portion of the rope arranged in a specific detection area, and a second portion for performing marking processing on a portion of the rope extending upward from the detection area.
  • the structure can be simplified, and marking can be performed at an appropriate position with respect to the broken portion of the rope.
  • FIG. 1 is a diagram showing an example of an elevator device according to Embodiment 1;
  • FIG. It is the figure which expanded the A section of FIG.
  • FIG. 3 is a view showing a BB cross section of FIG. 2;
  • 9 is a flowchart showing another operation example of the inspection device;
  • FIG. 10 is a diagram showing another example of hardware resources of a control device;
  • FIG. 1 is a diagram showing an example of an elevator device according to Embodiment 1.
  • the elevator system comprises a car 1 and a counterweight 2.
  • the car 1 moves up and down in the hoistway 3 .
  • a counterweight 2 moves up and down the hoistway 3 .
  • a car 1 and a counterweight 2 are suspended in a hoistway 3 by ropes 4 .
  • the rope 4 is, for example, a wire rope.
  • the rope 4 is wound around the hoist 5. Specifically, the rope 4 is wound around the drive sheave 6 of the hoisting machine 5 .
  • a hoist 5 drives the car 1 .
  • the control device 7 controls the hoist 5 . That is, movement of the car 1 is controlled by the control device 7 .
  • Fig. 1 shows a 2:1 roping elevator system as an example.
  • the hoist 5 is provided at the top of the hoistway 3 .
  • One end 4 a of the rope 4 is supported by a fixed body provided at the top of the hoistway 3 .
  • the rope 4 extends downward from the end 4a.
  • the rope 4 is wound around the sling sheave 8, the sling sheave 9, the drive sheave 6, and the sling sheave 10 in this order from the end 4a side.
  • the other end 4 b of the rope 4 is supported by a fixed body provided at the top of the hoistway 3 .
  • the hanging wheel 8 and the hanging wheel 9 are provided in the car 1.
  • a hanging wheel 10 is provided on the counterweight 2 .
  • the elevator system may be provided with other pulleys not shown in FIG.
  • the rope 4 is formed by twisting a plurality of strands.
  • a strand is formed by twisting a plurality of strands.
  • the rope 4 is repeatedly bent by each pulley such as the drive sheave 6 and deteriorates. As the deterioration of the rope 4 progresses, the wire may break. If the deterioration of the rope 4 progresses further, the strand may break. Breakage of the wire also occurs when foreign matter is caught between the rope 4 and the pulley. In the following description, the broken portion of the wire is also referred to as broken portion 4c.
  • the inspection device 11 is a device for inspecting the rope 4.
  • a maintenance worker of the elevator inspects the rope 4 using the inspection device 11, for example, in a periodic inspection.
  • the maintenance staff When inspecting the rope 4, the maintenance staff first gets on the car 1 and stops the car 1 at the landing on the top floor. Next, the maintenance worker installs the inspection device 11 on the car 1 .
  • FIG. 1 shows an example in which the inspection device 11 is provided at the top of the hoistway 3 .
  • FIG. 2 is an enlarged view of part A in FIG.
  • FIG. 3 is a diagram showing a BB section of FIG.
  • FIG. 4 is a diagram for explaining the functions of the inspection device 11.
  • the inspection device 11 comprises a support 12 , a detector 13 , a marking device 14 , a marking device 15 and a control device 16 .
  • Support 12 supports detector 13 , marking device 14 , marking device 15 and control device 16 .
  • the detector 13 is provided with a specific detection area.
  • the detector 13 is formed with a groove 13a having a U-shaped cross section.
  • the space inside the groove 13a is the detection area.
  • the detector 13 detects that the broken portion 4c exists in the portion of the rope 4 located in this detection area.
  • Detector 13 may detect the presence of break 4c by any method. As an example, detector 13 detects the presence of break 4c using the leakage flux method.
  • FIG. 1 shows a preferred example in which the part of the rope 4 extending downward from the hoisting machine 5 is arranged in the detection area of the detector 13 .
  • the marking device 14 and the marking device 15 are devices for marking the rope 4. Any method may be used to mark the rope 4 . As an example, the marking process is performed by spraying the rope 4 with paint. Alternatively, the marking process may be performed by applying ink to the rope 4 with a pen or brush or the like.
  • the detector 13 is arranged between the marking device 14 and the marking device 15 . That is, the marking device 14 and the marking device 15 can mark a portion of the rope 4 immediately before entering the detection area and a portion immediately after exiting the detection area.
  • the marking device 14 is a device for marking one portion of the rope 4 extending from the detection area.
  • the marking device 15 is a device for marking the other portion of the rope 4 extending from the detection area.
  • the portion of the rope 4 extending downward from the hoisting machine 5 is arranged in the detection area of the detector 13 .
  • marking device 14 is positioned above detector 13 . That is, the marking device 14 is arranged so as to be able to perform the marking process on the part of the rope 4 that extends upward from the detection area.
  • a marking device 15 is arranged below the detector 13 . That is, the marking device 15 is arranged so as to be able to perform the marking process on the part of the rope 4 that extends downward from the detection area.
  • the control device 16 controls the marking device 14 and the marking device 15 according to the detection result of the detector 13.
  • the control device 16 includes a determination section 21 and a control section 22 .
  • FIG. 5 is a flowchart showing an operation example of the inspection device 11.
  • FIG. FIG. 6 is a diagram for explaining the functions of the inspection device 11. As shown in FIG. FIG. 6 is a diagram corresponding to FIG.
  • the determination unit 21 determines whether or not the fractured portion 4c exists (S101). If the presence of the broken portion 4c is not detected by the detector 13, it is determined as No in S101. When the detector 13 detects the presence of the broken portion 4c, the determination in S101 is Yes.
  • FIG. 6(a) shows a state in which the breaking portion 4c is arranged in the detection area. That is, in the state shown in FIG. 6A, it is determined as Yes in S101. If determined as Yes in S101, the control unit 22 causes both the marking device 14 and the marking device 15 to perform the marking process (S102). For example, in S ⁇ b>102 , paint is sprayed from the marking device 14 onto the part of the rope 4 that is positioned directly above the detection area. At the same time, paint is sprayed from the marking device 15 onto the portion of the rope 4 that is located directly below the detection area.
  • FIG. 6(b) shows a state in which the breaking portion 4c has moved below the detection area.
  • the fracture portion 4c exists between the mark 14a made by the marking device 14 and the mark 15a made by the marking device 15.
  • FIG. 6(b) shows a state in which the breaking portion 4c has moved below the detection area.
  • the detector 13 is arranged between the marking device 14 and the marking device 15 . Therefore, the marking device 14 and the marking device 15 can mark both the portion of the rope 4 immediately before entering the detection area and the portion immediately after exiting the detection area.
  • the inspection apparatus 11 there is no need to equip the inspection apparatus 11 with a movable part or the like, and the structure can be simplified. Further, in the example shown in the present embodiment, marking can be performed at an appropriate position with respect to the breaking portion 4c.
  • both the marking device 14 and the marking device 15 perform marking processing at the same time. After stopping the car 1 at the landing on the lowest floor, the maintenance personnel removes the portion of the rope 4 placed between the mark 14a marked by the marking device 14 and the mark 15a marked by the marking device 15. should be investigated. Therefore, the time and effort required for inspecting the rope 4 can be reduced. Further, in the example shown in the present embodiment, the effects described above can be obtained regardless of the moving direction of the rope 4 .
  • the control device 16 may further include a direction detection section 23, as shown in FIG.
  • the direction detector 23 detects the direction in which the rope 4 moves.
  • the direction detection unit 23 may detect the moving direction of the rope 4 by any method.
  • the inspection device 11 includes an input device 17 for manually inputting information by the user. In this case, the direction detection unit 23 detects the direction in which the rope 4 moves based on the information input from the input device 17 .
  • the direction detection unit 23 detects that the moving direction of the rope 4 is the first direction if the first button is pressed. Detect if there is.
  • the first direction is the direction in which the portion of the rope 4 facing the marking device 15 approaches the detection area. In the example shown in this embodiment, when the car 1 moves upward, the rope 4 moves in the first direction.
  • the direction detection unit 23 detects that the moving direction of the rope 4 is the second direction if the second button is pressed.
  • the second direction is the direction in which the portion of the rope 4 facing the marking device 14 approaches the detection area. That is, the second direction is a direction opposite to the first direction. In the example shown in this embodiment, when the car 1 moves downward, the rope 4 moves in the second direction.
  • the inspection device 11 may include a roller 18 that contacts the rope 4.
  • FIG. 7 is a diagram showing another example of the inspection device 11. As shown in FIG. FIG. 7 shows an example in which roller 18 is built into detector 13 . In the example shown in FIG. 7, the direction detection unit 23 detects the direction in which the rope 4 moves based on the direction in which the roller 18 rotates.
  • FIG. 8 is a flowchart showing another operation example of the inspection device 11.
  • the control device 16 includes the direction detection unit 23 .
  • the control device 16 determines the moving direction of the rope 4 . For example, when the direction detection unit 23 detects that the rope 4 is moving in the first direction, it is determined as Yes in S201. When the direction detection unit 23 detects that the rope 4 is moving in the second direction, the determination in S202 is Yes.
  • S201 if the car 1 is moving upward, S201 is determined to be Yes. If it is determined as Yes in S201, the determining section 21 determines whether or not the fracture portion 4c exists (S203).
  • the processing shown in S203 is the same as the processing shown in S101. When the detector 13 detects the presence of the broken portion 4c, the determination in S203 is Yes.
  • the controller 22 instructs the marking device 14 to carry out the marking process. (S204).
  • the control unit 22 does not allow the marking device 15 to perform the marking process. At this time, the control unit 22 may control the marking device 14 so that the mark 14a is also attached to the fractured portion 4c.
  • the control device 16 may further include a speed detection section 24 .
  • the speed detector 24 detects the speed at which the rope 4 moves. If the inspection device 11 is provided with the rollers 18, the speed detection unit 24 can detect the speed at which the rope 4 moves from the speed at which the rollers 18 rotate.
  • the speed detection unit 24 does not have to be able to detect the speed at which the rope 4 moves as a specific numerical value.
  • a third button and a fourth button are further provided on the inspection device 11 as the input device 17 .
  • the speed detection unit 24 detects that the rope 4 is moving at high speed if the third button is pressed.
  • the speed detector 24 detects that the rope 4 is moving at a low speed if the fourth button is pressed.
  • the inspection device 11 may further include a fifth button as the input device 17 for detecting that the rope 4 is moving at medium speed.
  • control unit 22 may control the marking device 14 based on the speed detected by the speed detection unit 24 in S204. For example, the control unit 22 determines the start timing and end timing of the marking process based on the speed. As another example, the control unit 22 may determine the end timing of the marking process based on the speed so that the mark 14a is also attached to the fractured portion 4c.
  • the determination unit 21 determines whether or not the fractured portion 4c exists (S205).
  • the processing shown in S205 is the same as the processing shown in S101.
  • the determination in S205 is Yes.
  • the control unit 22 instructs the marking device 15 to carry out the marking process. (S206). In S206, the control unit 22 does not allow the marking device 14 to perform the marking process. At this time, the control unit 22 may control the marking device 15 so that the mark 15a is also attached to the fractured portion 4c.
  • control unit 22 may control the marking device 15 based on the speed detected by the speed detection unit 24 in S206. For example, the control unit 22 determines the start timing and end timing of the marking process based on the speed. As another example, the control unit 22 may determine the end timing of the marking process based on the speed so that the mark 15a is also attached to the fractured portion 4c.
  • FIG. 9 is a diagram showing an example of hardware resources of the control device 16.
  • the control device 16 includes a processing circuit 30 including a processor 31 and a memory 32 as hardware resources.
  • a plurality of processors 31 may be included in the processing circuitry 30 .
  • a plurality of memories 32 may be included in the processing circuitry 30 .
  • each part indicated by reference numerals 21 to 24 indicates the function of the control device 16.
  • the function of each unit indicated by reference numerals 21 to 24 can be realized by software described as a program, firmware, or a combination of software and firmware.
  • the program is stored in memory 32 .
  • the control device 16 implements the functions of the units indicated by reference numerals 21 to 24 by causing the processor 31 to execute programs stored in the memory 32 .
  • a semiconductor memory or the like can be used as the memory 32 .
  • FIG. 10 is a diagram showing another example of hardware resources of the control device 16.
  • controller 16 comprises processing circuitry 30 including processor 31 , memory 32 and dedicated hardware 33 .
  • FIG. 10 shows an example in which a part of the functions of the control device 16 are implemented by dedicated hardware 33 . All the functions of the control device 16 may be realized by dedicated hardware 33 .
  • Dedicated hardware 33 can be a single circuit, multiple circuits, programmed processors, parallel programmed processors, ASICs, FPGAs, or combinations thereof.
  • a device for inspecting the rope 4 has been described in this embodiment. This is an example.
  • the inspection device 11 may be used to inspect other ropes provided in the elevator system. Also, the inspection device 11 may be used to inspect ropes provided in equipment other than the elevator device.
  • the inspection device according to the present disclosure can be used to inspect ropes.

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  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

Dans cette invention, un détecteur (13) détecte la présence d'une rupture (4c) dans la partie d'une corde (4) située dans une zone de détection. Un dispositif de marquage (14) effectue le traitement de marquage sur une partie de la corde (4) s'étendant depuis la zone de détection. Un dispositif de marquage (15) effectue le traitement de marquage sur une autre partie de la corde (4) s'étendant depuis la zone de détection. Un dispositif de commande (22) commande le dispositif de marquage (14) et le dispositif de marquage (15) en fonction du résultat de détection du détecteur (13).
PCT/JP2021/027329 2021-07-21 2021-07-21 Dispositif d'inspection et dispositif d'ascenseur WO2023002603A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2021/027329 WO2023002603A1 (fr) 2021-07-21 2021-07-21 Dispositif d'inspection et dispositif d'ascenseur
CN202180100806.6A CN117693485B (zh) 2021-07-21 2021-07-21 检查装置以及电梯装置
KR1020247004570A KR102676106B1 (ko) 2021-07-21 2021-07-21 검사 장치 및 엘리베이터 장치
JP2023536293A JP7414189B2 (ja) 2021-07-21 2021-07-21 検査装置及びエレベーター装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/027329 WO2023002603A1 (fr) 2021-07-21 2021-07-21 Dispositif d'inspection et dispositif d'ascenseur

Publications (1)

Publication Number Publication Date
WO2023002603A1 true WO2023002603A1 (fr) 2023-01-26

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Application Number Title Priority Date Filing Date
PCT/JP2021/027329 WO2023002603A1 (fr) 2021-07-21 2021-07-21 Dispositif d'inspection et dispositif d'ascenseur

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Country Link
JP (1) JP7414189B2 (fr)
KR (1) KR102676106B1 (fr)
CN (1) CN117693485B (fr)
WO (1) WO2023002603A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154354A (ja) * 1983-02-23 1984-09-03 Hitachi Ltd 長尺磁性体の損傷部指示装置
JP2004149317A (ja) * 2002-09-04 2004-05-27 Toshiba Elevator Co Ltd ロープ異常検出装置
JP2015036319A (ja) * 2013-08-12 2015-02-23 東芝エレベータ株式会社 エレベータのメインロープ点検装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008056385A (ja) * 2006-08-30 2008-03-13 Toshiba Elevator Co Ltd エレベータのロープマーキング装置及びその方法
JP2010030765A (ja) 2008-07-30 2010-02-12 Mitsubishi Electric Building Techno Service Co Ltd エレベータ主ロープの点検装置
JP5773673B2 (ja) * 2011-02-04 2015-09-02 東芝エレベータ株式会社 ロープの交差検出装置を備えるエレベータシステム
US20180105393A1 (en) * 2016-10-19 2018-04-19 Otis Elevator Company Automatic marking system
EP3505482A1 (fr) * 2017-12-29 2019-07-03 KONE Corporation Procédé et agencement de surveillance de l'état d'un câble d'un appareil de levage
JP7011554B2 (ja) * 2018-08-29 2022-01-26 オーチス エレベータ カンパニー エレベータロープ検査装置及びエレベータロープ検査方法
JP6958975B2 (ja) * 2019-11-12 2021-11-02 東芝エレベータ株式会社 エレベータのロープ検査システム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154354A (ja) * 1983-02-23 1984-09-03 Hitachi Ltd 長尺磁性体の損傷部指示装置
JP2004149317A (ja) * 2002-09-04 2004-05-27 Toshiba Elevator Co Ltd ロープ異常検出装置
JP2015036319A (ja) * 2013-08-12 2015-02-23 東芝エレベータ株式会社 エレベータのメインロープ点検装置

Also Published As

Publication number Publication date
KR20240023692A (ko) 2024-02-22
JP7414189B2 (ja) 2024-01-16
KR102676106B1 (ko) 2024-06-19
JPWO2023002603A1 (fr) 2023-01-26
CN117693485B (zh) 2024-10-22
CN117693485A (zh) 2024-03-12

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