WO2004022469A1 - Dispositif de detection d'anomalie dans un cable - Google Patents

Dispositif de detection d'anomalie dans un cable Download PDF

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Publication number
WO2004022469A1
WO2004022469A1 PCT/JP2003/010849 JP0310849W WO2004022469A1 WO 2004022469 A1 WO2004022469 A1 WO 2004022469A1 JP 0310849 W JP0310849 W JP 0310849W WO 2004022469 A1 WO2004022469 A1 WO 2004022469A1
Authority
WO
WIPO (PCT)
Prior art keywords
rope
detection device
abnormality detection
elevator
abnormality
Prior art date
Application number
PCT/JP2003/010849
Other languages
English (en)
Japanese (ja)
Inventor
Toshiaki Nakagawa
Yoshihiro Yamaguchi
Original Assignee
Toshiba Elevator Kabushiki Kaisha
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 Toshiba Elevator Kabushiki Kaisha filed Critical Toshiba Elevator Kabushiki Kaisha
Priority to KR10-2004-7012487A priority Critical patent/KR20040079999A/ko
Publication of WO2004022469A1 publication Critical patent/WO2004022469A1/fr

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Classifications

    • 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
    • B66B7/1207—Checking means
    • B66B7/1215—Checking means specially adapted for ropes or cables
    • B66B7/123—Checking means specially adapted for ropes or cables by analysing magnetic variables

Definitions

  • the present invention relates to a device for detecting an abnormality of an elevator rope.
  • the distance between the probe and the mouthpiece is not constant, and the measurement accuracy S is not increased! /, On the contrary, the measurement was slow and took a long time to measure.
  • An object of the present invention is to provide a rope abnormality detecting device which can solve the above-mentioned inconveniences, improve safety, improve reliability of measured data, and speed up inspection ⁇ . Disclosure of the invention
  • a detector that magnetically detects an abnormal wire break near a rope containing a steel wire, a signal processor that processes signals obtained from the detector, and a mouthpiece abnormality detector that is a car When,
  • the present invention resides in a rope starvation apparatus, wherein the rope abnormality detection ⁇ is configured to be detachable from a fixture.
  • the detection device is easy to carry and install.
  • the present invention is the rope abnormality detecting device, wherein the detecting section and the signal processing section are separable, and are attached to the fixture integrally or separately. Safety can be improved and the mounting position range can be expanded.
  • the present invention relates to a rope abnormality detecting device wherein the fixing device is installed in an upper portion of a hoistway of an elevator or near a hoisting machine provided in a passenger compartment.
  • the installation range of the device can be expanded, and the measurement range of the mouthpiece can be expanded.
  • the present invention is the rope abnormality detecting device, wherein the fixing device is installed near the hoisting machine provided in the pit of the elevator.
  • the installation area of the device "5" can be expanded and the rope measurement range can be expanded.
  • the present invention is the rope abnormality detecting device, wherein the fixing device is installed near the main rope of the elevator in the vicinity of the deflecting sheave of the elevator.
  • the range of installation position of the device can be expanded and the range of rope measurement can be expanded.
  • the present invention resides in a rope abnormality detecting device in which the fixing device is installed in an elevator car with a glue pad. The range of the installation position of the device can be expanded, and the range of the rope measurement can be expanded.
  • the present invention resides in a rope abnormality detection device in which the fixing device is installed near the balance of the elevator and the weight sheave.
  • the mounting range of the device can be expanded and the measurement range of the mouthpiece can be expanded.
  • the present invention provides a plurality of main ropes in which the ropes are arranged in ffi to pull the elevator car, and the fixed ropes are fixed at a predetermined position in the moving elevator.
  • the rope abnormality detecting device in which the tool is installed. Rope with different rope diameter can be measured simultaneously.
  • the present invention resides in a rope abnormality detecting device for an elevator, in which one or a plurality of main ropes are installed on a fixture, and a rope abnormality detecting device capable of simultaneously detecting an abnormality of one or more main ropes. Measurement time can be reduced.
  • the present invention resides in a mouthpiece abnormality detection device of an elevator having a plurality of fixtures and a plurality of rope abnormality detection devices. Measurement time can be shortened.
  • the present invention relates to a rope abnormality detecting device of an elevator, wherein a rope abnormality detecting device capable of detecting an elevator inspection speed, an elevator level, and a deviation is fixed to a fixture. Measurement time can be reduced.
  • the present invention is characterized in that the signal processing unit has a memory function and, when an abnormal value equal to or more than a predetermined set value is detected, means for recording the abnormal value in a memory function is provided. It is in the rope abnormality detection device. The collection and management of JOB data will be easier, and a preventive age can be achieved.
  • the present invention connects the rope abnormality detecting device to the elevator remote monitor, and detects an abnormal value exceeding a certain set value. It is in the abnormality detection device. Prevention and saving people can be done. Further, the present invention resides in a mouth-opening abnormality detecting apparatus having a remote control port for turning on and off a rope abnormality detecting apparatus from a place where it is! . This can improve safety.
  • the signal processing unit has a memory function
  • the memory function is a rope abnormality detection device that records all measurement data and outputs the measurement data to an external processing device.
  • an external device such as a personal computer
  • the storage capacity of the data becomes easier, and the location of the abnormal part can be determined and the damage can be processed.
  • the present invention relates to a rope abnormality detecting device which has a function of outputting an abnormal value detection signal at an age when an abnormal value equal to or more than a predetermined set value is detected by a memory function.
  • a rope abnormality detecting device including a marky sizing device for attaching a mark of a color different from that of the rope body to or near an abnormal portion of the rope in response to a signal for detecting an abnormal portion.
  • a rope abnormality detection device which is characterized in that at least the detection portion is rotatably attached to a fixture. There is a possibility that the position of the rope changes when the elevator runs, and it is necessary to install the fixture so that the detector follows the rope.
  • the detection unit has a combination of a magnet and a sensor which has a channel corresponding to a plurality of parallel ropes and which passes a magnetic flux through the rope to each channel.
  • the rope abnormality detecting device is characterized in that each of the channels is arranged in a different direction in the mouth running direction. The uneven arrangement reduces the influence of fiber noise due to the magnetic field lines of the separated channels.
  • FIG. 1A, FIG. 1B, and FIG. 1C are perspective views of one embodiment of the present invention.
  • FIG. 2A and FIG. 2B are plan views of the detection unit.
  • FIG. 3 is a perspective view of one embodiment of the present invention, similarly to FIG.
  • FIG. 4 is a schematic side view of another embodiment of the present invention.
  • FIGS. 5A and 5B are schematic side views of another embodiment of the present invention.
  • FIG. 6 illustrates a modification of the fixing device.
  • FIG. 6 is a perspective view
  • FIG. 6B is a schematic diagram illustrating an operation.
  • 7A and 7B are plan views each showing a modified example of the detection unit. 3 010849
  • FIG. 8 is a plan view of another embodiment of the present invention.
  • FIG. 9 is a schematic side view of another embodiment of the present invention.
  • FIG. 10 is a schematic side view of another embodiment of the present invention.
  • FIG. 11 is a schematic side view of another embodiment of the present invention.
  • FIG. 12 is a schematic side view of another embodiment of the present invention.
  • FIG. 13 is a schematic side view of another embodiment of the present invention.
  • FIG. 14 is a schematic side view of another embodiment of the present invention.
  • FIG. 15 shows another embodiment of the present invention.
  • FIG. 15A is a schematic side view
  • FIG. 15B is a perspective view. Best modes for making inventions
  • 1 and 2 show a rope abnormality detecting device according to an embodiment of the present invention.
  • the rope abnormality detection ⁇ ⁇ 0 is composed of the detecting unit 11 and the signal processing unit 12, and is formed separately as shown in FIG. 1C, and is connected in a Nada manner at the joint unit 13.
  • the joint section 13 is provided in the joint section so that the concave section 13a on the back of the detecting section 11 and the convex section 13b on the side of the signal processing section 12 can be slid and joined. Electrically connected by the contact (not shown).
  • the detector 11 is separated by a partition wall 14a through which a main rope 40, in which a plurality of ropes 40a, 40b, ... suspended in order to pull the elevator car, are individually passed, is arranged. It has a grooved channel 14 and is closed by a lid 15.
  • a light receiving section 16 is arranged on the surface of the lid 15 and receives a light signal from the remote controller 17 to switch on and off a power supply (not shown) of the detecting section 11 and the signal processing section 12. It is configured to be able to.
  • Reference numeral 18 denotes a handle of abnormality detection ⁇ 10.
  • Each channel of the detector 11 creates a magnetic path knob between it and the running direction of the main port, which moves in close proximity, and the magnetic field is generated by a sensor such as a Hall sensor or a coil sensor located in a magnetic field. It detects changes in strength and is equipped with magnets and sensors that form a magnetic field and pass the magnetic flux through the loop. That is, as shown in FIG. 2A, each channel 14 has a magnet 14b having a pair of N poles and S poles arranged along the running direction of the ropes 40a, 40b 14c is installed so that magnetic flux passes through the rope in the running direction. In addition, a sensor 14d is placed in the magnetic path between ⁇ and the magnetic field bow is measured.
  • a sensor 14d is placed in the magnetic path between ⁇ and the magnetic field bow is measured.
  • Fig. 2B shows a modified example of the detection unit.
  • the magnets 14b and 14c of the channel 14 of the detection unit 11 are alternately arranged in the running direction of the rope between the P channels, for example, in a zigzag pattern.
  • This is a two-stage configuration with a stagger. According to this configuration, it is possible to avoid mutual interference of the channels due to the displacement of the magnetic chrysanthemum to the other channels, and to reduce the influence of the output noise at the abnormal part.
  • the main rope of the elevator is made up of a strand of steel wire wound around a core wire to form a strand. If I or some unreasonable force is used, there is a danger that a part of the wire will break. If there is a break in the strand, the magnetic field will be disturbed at the position of the channel of the detection unit through which the rope passes, and this disturbance will be withdrawn by the sensor 14d, extracted as a signal, and taken out as a signal. It is sent to 2 and the break position of the rope is measured, and the abnormality of the rope is detected.
  • the signal processing section 12 has a waveform monitor 21 on the front, a power switch 22 and a power lamp 23, a variable rotary switch 24 for setting the rope traveling speed, and The operation switch 25 is arranged, and the Ohara outlet 26 is arranged on the side. AC power source and battery lightning field can be used. Switch 24 makes it possible to measure both the elevator inspection i3 ⁇ 4 and the rated elevator speed.
  • the signal processing unit has a memory function, and when an abnormal value equal to or greater than a predetermined set value is detected, the abnormal value can be recorded in the memory function and displayed on the waveform monitor 21. Ma In addition, it has an outlet 27a connected to the elevator remote comfort device, and has a function of, when an abnormal value exceeding a certain set value is detected, reporting the abnormal value to the remote viewing terminal.
  • the outlet 27b is a terminal that outputs all measured data recorded by the memory 1 function as a signal.
  • FIG. 3 shows a fixture 30 that constitutes the rope abnormality detection device together with the rope abnormality detection ⁇ 0.
  • a wide L-shaped fitting forms an upper surface 31 on which the housing of the signal processing unit 12 is mounted, and a side surface 32 fixed to a predetermined position in the hoistway.
  • a plurality of through holes 33 are formed, and the housing 28 is detachably fixed by screws 34.
  • a screw hole 35 is formed in the side surface portion 32 for fixing the stopper 30 to the car rail shown in FIG. 3, and the bracket is fixed to the rail by a screw 37 with a bracket 36.
  • the installation location of the rope abnormality detection device 1 is arranged near the hoisting machine 50.
  • ⁇ In the elevator without a leak room; ⁇ : In the elevator, the hoisting machine 50 is placed near the hoistway ceiling, and both ends of the main rope 40 are fixed to the hoistway ceiling, and one side of the hoisting machine The car is suspended on the other side by a sheep. The sheaves of the car are towed by placing a pair of them on the lower side of the car and placing the main rope 40 on the lower side of the car. The car and lifting weights are raised and lowered along each car rail 51 and weight rail 52.
  • the distance and position of the main rope 40 are fixed with respect to the traveling path of the main rope 40 at a predetermined position in the hoistway, but there are places where the rope moves.
  • the rope abnormality detecting device 1 shown in FIGS. 1 and 3 is attached and fixed to a car rail 51 and a weight rail 52 near the hoisting machine, respectively.
  • the fixture 30 is fixed to the edge of each rail 51 with a bracket 53, and the same is applied to the weight rail side. At this position, the running road force S of the rope does not fluctuate, so that the state of the mouth can be accurately measured.
  • the detection accuracy can be further improved by installing the detection devices at two locations.
  • the fixing device 30 may be fixed directly to the wall 61 of the hoistway 60 by the bracket 62 as shown in Fig. 5A, and the same as in Fig. 5B.
  • a plurality of detection devices 1 can be mounted on the car rail 51.
  • FIG. 6 shows a modification of the fixing device. Attach the rope abnormality detection ⁇ ⁇ 0 to the base 38 provided on the upper surface 31 of the fixture 30 as shown in FIG. 6A.
  • the base 38 is rotatably mounted by a shaft 39 fixed to the upper surface 31 so that the channel for detecting anomalies in the rope can be rotated by being guided by the rope.
  • the peripheral surface 50b of the main sheave 50a has a different angle in the hoistway from the peripheral surface 73a of the car sheave 73, and the parallel surface of multiple ropes 40 It is twisted.
  • car sheaves 72, 73 for example, Fig. 10
  • these sheaves are located at positions offset from the center of the car. Because there is, the peripheral surface 73b of the car sheave facing the peripheral surface 50b of the main sheave 50a does not become TO.
  • the riding power rises, and the parallel surface of the rope becomes twisted when approaching the hoisting machine, and the rope 40 and the detector channel 14 are infested.
  • the detection unit 11 is rotatably mounted on the fixture 30 and is laid, the position of the channel changes following the running of the rope, thereby preventing unwanted wear of the channel. I can do it.
  • FIG. 7 shows another embodiment of the detection unit 11 of the rope abnormality detection device.
  • Fig. 7A shows multiple detectors, here two detectors, for the main rope 40 consisting of multiple ropes 40a, 40b, 40c, 4Od arranged in TO. , 11b, and are provided side by side with one fixture 30a.
  • the signal processing sections 12a and 12b may be combined with the respective detection sections, or one signal processing section (12a or 12b) may process the signals of both detection sections. . Simultaneous measurement is possible even if the rope diameter of the main rope is different or the number of ropes is larger than the number of channels in the detector, and the measurement time can be reduced.
  • FIG. 7B shows an embodiment of a detection unit 11c that detects a plurality of ropes 40a, 40b, 40c, and 40d collectively in one channel 14e.
  • the distance between the multiple mouths running in parallel is 3 mmgj.For example, it is not easy to insert the partition wall 14a separating the channels 14 shown in Fig. 1 between narrow ropes in a circle. By performing the inspection collectively as in the form, it is possible to easily measure. If an anomaly can be found, further scrutiny of its location will enable highly accurate anomaly detection.
  • the detection unit 11 and the signal processing unit 12 are separated and attached separately to the car renole 51 near the hoisting machine 50.
  • the detection unit and the signal processing unit are connected by a cable 55. It is easy to carry, and it is easy to work because it is installed separately in a narrow space.
  • the mouthpiece abnormality detecting device 1 is attached to the bottom 71 of the car 70, and the abnormality of the rope 40 running between the pair of car sheaves 72, 73 provided at the bottom is detected. I do. Even if the car 70 0 force S goes up and down, the positional relationship between the bottom 71 and the mouth running path remains unchanged, so measurement becomes possible. Thereby, the rope measurement range can be extended. Further, another rope abnormality detecting device 1 is arranged near the hoisting machine 50, and together with the device 1 attached to the bottom of the car, the measuring range of the mouth can be expanded. Numeral 56 indicates the warp (warp) of the hoisting machine. The embodiment of FIG.
  • FIG. 10 shows a configuration in which the mouth-opening abnormality detecting device 1 is installed on the car ceiling portion 74 while the embodiment of FIG. 9 is installed on the car bottom portion 71.
  • inspection of elevators is performed on the ceiling of the car 70, and by installing the detector 1 at this location, it is possible to improve the performance. Further, the detection device 1 can be installed in other places to increase the rope measurement range.
  • a rope abnormality detecting device 1 is mounted near the sheave 76 of the counterweight 75.
  • Eleator method in which there is no room and the hoisting machine is installed near the ceiling of the hoistway, supports one end of the rope at or near the ceiling, so that the rope extends from the support part 77 to the counterweight 75.
  • the measurement of the rope 40 can be performed by installing the detection device 1 at the suspension weight 75 and the abnormality detection measurement.
  • the output of the rope abnormality detection device 1 is taken out by a control panel 80 installed in a hoistway 60 via a cable 81, and the information is output by a communication network 82 such as a telephone line. It can be monitored at the center 83.
  • the rope abnormality detection device 1 is always installed, so that it is possible to always deal with the occurrence of abnormality and to prevent it and save labor.
  • a function of a memory for recording the abnormal value is provided.
  • the recording allows the user to determine whether the rope is abnormal.
  • this abnormality record can be reported to the remote monitoring terminal of the information center 83 to prevent the operation of the elevator.
  • a ⁇ chamber is provided on the top floor.
  • an elevator abnormality detection device 1 is installed on a beam 91 near the hoisting machine 90. Things. The vicinity of the hoist is where the rope moves over a wide area, and a wide area and measurement range can be secured. In this case, data can be always taken into the external processing device 29 shown in FIG.
  • a rope abnormality detecting device is mounted on a pit wall 64 near a hoisting machine 92 in an elevator in which a hoisting machine 92 is arranged on a pit 63 of a hoistway 60. 1 is installed and rope 40 is measured. The area near the hoisting machine is where the rope moves over a wide area, and a wide area and measurement range can be secured.
  • the mark abnormality device 100 is attached to the rope abnormality detection device 1.
  • the mark attaching device 100 is a marking head consisting of a felt etc. and a marking head consisting of an ink tank 102, and a solenoid head ⁇ device. It is movably supported by 104. It is arranged with a head 0 3 and the gap of the rope 4 OW ⁇ F to mark, to move back and forth by the head drive apparatus 1 0 4 adheres the ink to the rope by Omushi the rope.
  • the head driving device 104 is mounted on a support 105, and the support 105 is fixed to the top of the detection unit 11.
  • the head ⁇ device 104 is connected to the outlet 27 a of FIG. 1 (FIG. 1) through signal processing by an electric or optical cape 106.
  • the head ⁇ device 104 When an abnormal signal is generated, the head ⁇ device 104 is connected. 4 operates to push the marking head 103 onto the main rope 40 running in parallel to mark the ink.
  • the marking head 103 When the abnormal signal disappears, the marking head 103 is returned by the spring 107 arranged behind the solenoid, and the gap between the rope 40 and the marking head 103 returns to the original state.
  • the abnormal part By marking the abnormal part of the rope or its vicinity, the abnormal part can be recognized, and ultimately the time required for the inspector to search for the abnormal part is greatly reduced.
  • marking was performed by pressing the ink head, but marking is performed by other means, such as ⁇ insect means such as an ink jet, so that contamination of the head due to infestation by the mouth is eliminated. However, it can withstand long-term use.

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

Abstract

La présente invention concerne un dispositif (10) de détection d'anomalie dans un câble, qui est composé d'une partie de détection (11) placée à proximité d'un câble (40) comprenant des fils en acier, et qui détecte magnétiquement un anomalie telle que la rupture d'un fil, et d'une partie de traitement des signaux (12) destinée à traiter un signal en provenance de la partie de détection (11). Un élément de fixation (30) maintient le dispositif (10) de détection d'anomalie dans un câble en une position spécifique dans un passage d'élévation et de descente d'un ascenseur, la position étant telle que le câble se déplace par rapport à celle-ci et que la distance entre la position et un passage de circulation du câble est maintenue constante.
PCT/JP2003/010849 2002-09-04 2003-08-27 Dispositif de detection d'anomalie dans un cable WO2004022469A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR10-2004-7012487A KR20040079999A (ko) 2002-09-04 2003-08-27 로프 이상 검출 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002-259331 2002-09-04
JP2002259331 2002-09-04
JP2002-348787 2002-11-29
JP2002348787A JP2004149317A (ja) 2002-09-04 2002-11-29 ロープ異常検出装置

Publications (1)

Publication Number Publication Date
WO2004022469A1 true WO2004022469A1 (fr) 2004-03-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2003/010849 WO2004022469A1 (fr) 2002-09-04 2003-08-27 Dispositif de detection d'anomalie dans un cable

Country Status (5)

Country Link
JP (1) JP2004149317A (fr)
KR (1) KR20040079999A (fr)
CN (1) CN100390041C (fr)
TW (1) TWI286120B (fr)
WO (1) WO2004022469A1 (fr)

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WO2009024452A1 (fr) * 2007-08-17 2009-02-26 Inventio Ag Système d'ascenseur avec dispositif de détection de l'état d'un moyen de suspension et procédé de détection de l'état d'un moyen de suspension
JP2009258001A (ja) * 2008-04-18 2009-11-05 Hitachi Building Systems Co Ltd ワイヤーロープ探傷装置の取付装置
JP2012030934A (ja) * 2010-07-30 2012-02-16 Toshiba Elevator Co Ltd ロープテスター装置
WO2015160254A1 (fr) 2014-04-16 2015-10-22 Ihc Holland Ie B.V. Contrôle de câble en temps réel

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JP4450594B2 (ja) * 2003-09-19 2010-04-14 東芝エレベータ株式会社 ロープテスタ
JP2006071603A (ja) * 2004-09-06 2006-03-16 Toshiba Elevator Co Ltd ロープ探傷装置
JP4825525B2 (ja) * 2006-02-01 2011-11-30 株式会社日立ビルシステム ワイヤロープの探傷装置
DE102006011093A1 (de) * 2006-03-08 2007-09-13 TÜV Rheinland Industrie Service GmbH Seilschlupf-Detektor
EP1847501B1 (fr) 2006-04-18 2014-10-01 Inventio AG Installation d'élévation dotée d'un dispositif de surveillance du moyen d'entraînement destiné à la surveillance de l'état d'un moyen d'entraînement et procédé de vérification du moyen d'entraînement
JP4295774B2 (ja) * 2006-07-20 2009-07-15 株式会社日立ビルシステム ワイヤーロープの探傷装置
KR100888289B1 (ko) * 2006-12-06 2009-03-11 오티스 엘리베이터 컴파니 엘리베이터 카의 위치 검출 장치
JP2008183806A (ja) * 2007-01-30 2008-08-14 Toyo Advanced Technologies Co Ltd ワイヤソー
JP4415041B2 (ja) * 2007-10-10 2010-02-17 三菱電機ビルテクノサービス株式会社 ロープ点検方法
CN102745573B (zh) * 2012-07-27 2015-03-25 重庆迈高电梯有限公司 一种电梯钢丝绳检修装置及其检修方法
JP6193077B2 (ja) * 2012-10-30 2017-09-06 東京製綱株式会社 ワイヤロープの検査装置
JP2014088261A (ja) * 2012-10-31 2014-05-15 Mitsubishi Electric Corp エレベータ装置
JP5730358B2 (ja) * 2013-08-12 2015-06-10 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
JP6294246B2 (ja) * 2015-01-21 2018-03-14 株式会社日立ビルシステム エレベーター装置及び主ロープ点検方法
CN106018544B (zh) * 2016-06-24 2018-03-20 窦柏林 一种钢丝绳全息检测系统
JP2018100167A (ja) * 2016-12-20 2018-06-28 東芝エレベータ株式会社 異常検出器及び異常検出方法
JP6844431B2 (ja) * 2017-06-12 2021-03-17 三菱電機ビルテクノサービス株式会社 エレベーターのロープ検査装置
CN111212806B (zh) * 2018-01-12 2021-06-15 三菱电机大楼技术服务株式会社 电梯的绳索的标记辅具
CN109573785B (zh) * 2019-01-02 2020-03-03 日立楼宇技术（广州）有限公司 电梯曳引钢带断绳检测装置、检测系统及检测方法
KR102322670B1 (ko) 2019-12-13 2021-11-09 현대엘리베이터주식회사 엘리베이터의 구동 로프 결함 검출 장치
JP6828129B1 (ja) * 2019-12-20 2021-02-10 東芝エレベータ株式会社 ロープ異常診断システム、ロープ異常診断方法、及びプログラム
KR20240023692A (ko) 2021-07-21 2024-02-22 미쓰비시 덴키 빌딩 솔루션즈 가부시키가이샤 검사 장치 및 엘리베이터 장치

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TW200406356A (en) 2004-05-01
TWI286120B (en) 2007-09-01

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