WO2007138643A1 - エレベータ装置 - Google Patents
エレベータ装置 Download PDFInfo
- Publication number
- WO2007138643A1 WO2007138643A1 PCT/JP2006/310443 JP2006310443W WO2007138643A1 WO 2007138643 A1 WO2007138643 A1 WO 2007138643A1 JP 2006310443 W JP2006310443 W JP 2006310443W WO 2007138643 A1 WO2007138643 A1 WO 2007138643A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- covering
- suspension means
- elevator
- suspension
- abnormality detection
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
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
- B66B7/123—Checking means specially adapted for ropes or cables by analysing magnetic variables
-
- 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 invention relates to an elevator apparatus using a suspension means including a suspension body including a plurality of steel strands and a resin-made coating body covering an outer peripheral portion of the suspension body.
- a conventional elevator rope magnetic flaw detector includes an exciter that magnetizes the rope and a detection coil that is arranged so as to surround the rope and detects a flaw detection signal.
- the flaw detection signal detected by the detection coil is amplified by an amplifier and sent to a recorder (for example, see Patent Document 1).
- Patent Document 1 JP 54-107037 A
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator apparatus that can easily detect damage to a covering.
- An elevator apparatus includes a car that is lifted and lowered in a hoistway, a suspension body including a plurality of steel strands, and a resin sheathing body that covers the outer periphery of the suspension body.
- FIG. 1 is a configuration diagram showing a main part of an elevator apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view of the main rope of FIG. 3 is a block diagram showing the internal structure of the coating abnormality detection device in FIG. 1.
- FIG. 4 is a configuration diagram showing a coating abnormality detection device for an elevator apparatus according to Embodiment 2 of the present invention.
- FIG. 1 is a configuration diagram showing a main part of an elevator apparatus according to Embodiment 1 of the present invention.
- a machine base 1 is installed in the machine room above the hoistway.
- the lifting machine 2 is installed on the machine base 1.
- the lifting machine 2 has a lifting machine body 3 including a motor and a brake, and a drive sheave 4 rotated by the lifting machine body 3.
- a baffle 5 is provided in the vicinity of the lifting machine 2 on the machine base 1.
- a plurality of main ropes 6 as suspension means are wound around the drive sheave 4 and the deflector wheel 5.
- a force 7 is suspended from the first end of the main rope 6.
- a counterweight 8 is suspended from the second end of the main rope 6. That is, the force 7 is suspended by the main rope 6 on one side of the lifting machine 2, and the counterweight 8 is suspended by the main rope 6 on the other side of the lifting machine 2. Further, the force 7 and the counterweight 8 are moved up and down in the hoistway by the driving force of the lifting machine 2.
- each main rope 6 is a main rope as a suspension body including a core tie 9 and a plurality of outer tie ties 10 twisted around the outer circumference of the core tie 9. It has a main body 11 and a resin-made covering body 12 that covers the outer periphery of the main rope main body 11.
- the core tie 9 is formed by twisting a plurality of steel strands.
- Each outer tie 10 is also formed by twisting a plurality of steel strands.
- the covering 12 is also filled between the core binding 9 and the outer peripheral binding 10 and between the outer peripheral binding 10.
- the covering 12 is made of a high-friction resin material having a friction coefficient of 0.2 or more, such as polyurethane resin.
- FIG. 3 is a block diagram showing the internal structure of the coating abnormality detection device 13 of FIG. In the figure, a pair of guide pulleys (or rollers) 16 a and 16 b that abut the main rope 6 are provided in the housing 15.
- the guide pulleys 16a and 16b are arranged at intervals in the length direction of the main rope 6. Between the guide pulleys 16a and 16b in the housing 15, a detection unit 17 for detecting damage to the main rope 6 in a non-contact manner is provided. A predetermined gap is secured between the main rope 6 and the detection unit 17 by guide pulleys 16a and 16b.
- the detection unit 17 includes a casing 18, a pair of springs 19a and 19b provided in the casing 18, a magnet 20 attached between the springs 19a and 19b, a movable contact 21 attached to the magnet 20, and the casing.
- a pair of fixed side contacts 22a and 22b fixed to 18 are provided.
- the fixed side contacts 22a and 22b are opposed to each other with the movable side contact 21 in between.
- the displacement detector that detects the displacement of the magnet 20 includes a movable contact 21 and fixed contacts 22a and 22b.
- An indicator lamp 23 as a display means is connected to the detection unit 17.
- the indicator lamp 23 is lit when the movable contact 21 contacts one of the fixed contacts 22a and 22b.
- the operation of the coating abnormality detection device 13 will be described.
- the movable contact 21 is separated from the fixed contacts 22a and 22b, and the indicator lamp 23 is turned off.
- the attractive force between the main rope main body 11 and the magnet 20 increases, and the magnet 20 is attracted to the main rope 6 side and the main rope 6 follows the movement of the main rope 6.
- the magnet 20 is also drawn in the direction of movement 6.
- the movable contact 21 contacts one of the fixed contacts 22a and 22b.
- the indicator lamp 23 is turned on, and an abnormality detection signal is sent to the elevator control device 14.
- the elevator control device 14 receives the abnormality detection signal from the coating abnormality detection device 13
- the elevator 7 makes an emergency stop or stops at the nearest floor to stop the operation of the car 7 and to the elevator control room. Report abnormalities.
- the magnet 20 is mechanically displaced regardless of the magnetic force. It is also possible to detect disconnection of the steel wire.
- the covering abnormality detection device 13 is disposed close to the portion between the driving sheave 4 of the main rope 6 and the deflector 5, the covering body 1 is not easily affected by the vibration of the main rope 6. 2 damage can be detected stably.
- the combination of the movable contact 21 and the fixed contacts 22a and 22b is shown as the displacement detector, but the displacement detector is not limited to this.
- the displacement of the magnet may be detected stepwise by using, for example, a slide switch or arranging a plurality of micro switches side by side.
- the damage level of the covering can be detected, and the operation of the basket can be controlled according to the damage level of the covering. For example, it is possible to perform control such as a high damage level force ⁇ , emergency stop of the force if a failure is detected, and force stop of the force to the nearest floor if the damage level is low.
- FIG. 4 is a block diagram showing a coating abnormality detection apparatus for an elevator apparatus according to Embodiment 2 of the present invention.
- the covering abnormality detection device 13 according to the second embodiment includes a housing 15, guide pulleys 16 a and 16 b, a detection unit 24, and an indicator lamp 23.
- the detection unit 24 includes a casing 25, an eddy current type coating thickness sensor 26 mounted on the casing 25 and facing the main rope 6, and a spring 27 interposed between the casing 25 and the eddy current type coating thickness sensor 26. Have.
- the eddy current type coating thickness sensor 26 generates a high-frequency magnetic field by passing a high-frequency current through a sensor coil in the sensor head. An eddy current in the direction perpendicular to the passage of magnetic flux flows on the surface of the steel wire existing in the high-frequency magnetic field due to the electromagnetic induction action. The impedance of the coil is changed. The eddy current coating thickness sensor 26 detects the wear of the cladding 12 by detecting the distance to the steel wire based on the change in the oscillation state due to the change in impedance.
- the spring 27 is compressed when the main rope 6 comes into contact with the eddy current type coating thickness sensor 26, and the contact pressure of the main rope 6 with respect to the eddy current type coating thickness sensor 26 is suppressed to a predetermined value or less.
- Other configurations are the same as those in the first embodiment.
- the coating abnormality detecting device 13 having the eddy current type coating thickness sensor 26 since the coating abnormality detecting device 13 having the eddy current type coating thickness sensor 26 is used, a change in the thickness of the covering 12 can be continuously detected.
- the indicator lamp 23 can be lit in different colors, and the stopping method of the car 7 can be switched between emergency stop and nearest floor stop.
- the installation location of the covering abnormality detection device is not limited to the above example, and the location of the covering abnormality detection device does not interfere with the car and the counterweight on the route of the suspension means. You may do it.
- the coating abnormality detection device may be installed at all times or only when necessary (for maintenance, etc.).
- the display means is not limited to an indicator lamp, but may be, for example, an indicator that can display the damage level of the cover, a display that notifies the damage of the cover by letters, and the like.
- the display location of the display means may be a location separated from the coating abnormality detection device.
- the number of display means may be two or more, and display means may be installed in different places.
- the cross-sectional configuration of the suspension means is not limited to that shown in Fig. 2, and various types of suspension means can be used. Further, the cross-sectional shape of the suspension means is not limited to that shown in FIG. 2, and for example, a belt-shaped main rope may be used.
- the car 7 and the counterweight 8 are suspended at both ends of the main rope 6.
- the force roving method showing the elevator device of the 1: 1 roving method is not particularly limited. 2: 1 roving may be used.
- the covering abnormality detection device is mounted on the car so as to be close to the suspension means between a pair of car suspension vehicles.
- the lifting machine 2 is installed in the machine room, but the present invention can also be applied to a machine room-less elevator.
Landscapes
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007513532A JP5436776B2 (ja) | 2006-05-25 | 2006-05-25 | エレベータ装置 |
| KR1020087001249A KR100932589B1 (ko) | 2006-05-25 | 2006-05-25 | 엘리베이터 장치 |
| CN2006800281598A CN101233066B (zh) | 2006-05-25 | 2006-05-25 | 电梯装置 |
| EP06756593.7A EP2020394B1 (en) | 2006-05-25 | 2006-05-25 | Elevator device |
| PCT/JP2006/310443 WO2007138643A1 (ja) | 2006-05-25 | 2006-05-25 | エレベータ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/310443 WO2007138643A1 (ja) | 2006-05-25 | 2006-05-25 | エレベータ装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007138643A1 true WO2007138643A1 (ja) | 2007-12-06 |
Family
ID=38778172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/310443 Ceased WO2007138643A1 (ja) | 2006-05-25 | 2006-05-25 | エレベータ装置 |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2020394B1 (ja) |
| JP (1) | JP5436776B2 (ja) |
| KR (1) | KR100932589B1 (ja) |
| CN (1) | CN101233066B (ja) |
| WO (1) | WO2007138643A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020062577A (ja) * | 2018-10-15 | 2020-04-23 | 株式会社島津製作所 | 磁性体粒子操作用装置 |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130287508A1 (en) | 2012-04-25 | 2013-10-31 | Milwaukee Electric Tool Corporation | Magnetic drill press |
| US20150239708A1 (en) * | 2014-02-25 | 2015-08-27 | Thyssenkrupp Elevator Ag | System and Method for Monitoring a Load Bearing Member |
| US10406672B2 (en) | 2016-02-01 | 2019-09-10 | Milwaukee Electric Tool Corporation | Holding force detection for magnetic drill press |
| EP3309105A1 (en) * | 2016-10-14 | 2018-04-18 | Inventio AG | Method and control device system for monitoring the suspension traction means of an elevator and elevator system comprising an elevator and a control device system |
| EP3505482B1 (en) | 2017-12-29 | 2025-12-03 | KONE Corporation | Method for condition monitoring of a rope of a hoisting apparatus |
| US11884516B2 (en) * | 2018-06-25 | 2024-01-30 | Otis Elevator Company | Health monitoring of elevator system tension members |
| CN110526146A (zh) * | 2019-08-07 | 2019-12-03 | 徐州贝峰机械制造有限公司 | 一种矿山机械的平衡磁感应摩擦提升机设备 |
| CN114728765A (zh) * | 2019-11-27 | 2022-07-08 | 通力股份公司 | 电梯系统的监控 |
| US11718501B2 (en) | 2020-04-06 | 2023-08-08 | Otis Elevator Company | Elevator sheave wear detection |
| CN119618045B (zh) * | 2025-02-17 | 2025-05-09 | 四川省第七地质大队 | 一种滑坡变形监测装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0673072U (ja) * | 1993-03-26 | 1994-10-11 | 住友建機株式会社 | ワイヤーロープの点検装置 |
| JPH07218474A (ja) * | 1994-02-08 | 1995-08-18 | Hitachi Ltd | 水中渦電流試験装置 |
| JP2002181792A (ja) | 2000-12-15 | 2002-06-26 | Hitachi Building Systems Co Ltd | ワイヤーロープの損傷検出装置 |
| EP1275608A1 (en) | 2001-07-12 | 2003-01-15 | Inventio Ag | Suspension rope wear detector |
| US20030062225A1 (en) | 2001-10-03 | 2003-04-03 | Stucky Paul A. | Elevator load bearing assembly having a detectable element that is indicative of local strain |
| JP2004232136A (ja) * | 2003-01-30 | 2004-08-19 | Mitsubishi Electric Corp | ロープ |
| JP2005195472A (ja) * | 2004-01-07 | 2005-07-21 | Mitsubishi Electric Building Techno Service Co Ltd | ロープテスタ |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6019677A (ja) * | 1983-07-15 | 1985-01-31 | 株式会社日立製作所 | エレベ−タ−用ワイヤ−ロ−プの自動監視装置 |
| JPH0196502A (ja) * | 1987-10-08 | 1989-04-14 | Yokohama Rubber Co Ltd:The | 厚み測定器及び厚み測定方法 |
| JPH06331601A (ja) * | 1993-05-26 | 1994-12-02 | Hitachi Building Syst Eng & Service Co Ltd | 渦電流探傷器 |
| JP3214190B2 (ja) * | 1993-09-24 | 2001-10-02 | 株式会社豊田中央研究所 | 非接触式膜厚測定器 |
| JPH08333066A (ja) * | 1995-06-09 | 1996-12-17 | Mitsubishi Denki Bill Techno Service Kk | エレベーター用ロープ破断検出装置 |
| FR2752294B1 (fr) * | 1996-08-12 | 1998-11-27 | Lorraine Laminage | Procede et dispositif de mesure en continu d'epaisseur de revetement isolant |
| JP2001288871A (ja) * | 2000-04-06 | 2001-10-19 | Dyflex Corp | 塗膜の形成方法および塗膜の膜厚測定方法 |
| CN1243658C (zh) * | 2000-12-07 | 2006-03-01 | 三菱电机株式会社 | 电梯主缆绳延伸检测装置 |
| JP2004075221A (ja) * | 2002-08-12 | 2004-03-11 | Hitachi Ltd | エレベータ |
| JP2004099186A (ja) * | 2002-09-04 | 2004-04-02 | Hitachi Ltd | 昇降機のロープ診断装置 |
| JP2004196449A (ja) * | 2002-12-17 | 2004-07-15 | Hitachi Ltd | エレベータ |
| JP4101110B2 (ja) * | 2003-05-08 | 2008-06-18 | 東京瓦斯株式会社 | 渦流探傷センサ |
-
2006
- 2006-05-25 KR KR1020087001249A patent/KR100932589B1/ko not_active Expired - Fee Related
- 2006-05-25 WO PCT/JP2006/310443 patent/WO2007138643A1/ja not_active Ceased
- 2006-05-25 CN CN2006800281598A patent/CN101233066B/zh not_active Expired - Fee Related
- 2006-05-25 EP EP06756593.7A patent/EP2020394B1/en not_active Ceased
- 2006-05-25 JP JP2007513532A patent/JP5436776B2/ja not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0673072U (ja) * | 1993-03-26 | 1994-10-11 | 住友建機株式会社 | ワイヤーロープの点検装置 |
| JPH07218474A (ja) * | 1994-02-08 | 1995-08-18 | Hitachi Ltd | 水中渦電流試験装置 |
| JP2002181792A (ja) | 2000-12-15 | 2002-06-26 | Hitachi Building Systems Co Ltd | ワイヤーロープの損傷検出装置 |
| EP1275608A1 (en) | 2001-07-12 | 2003-01-15 | Inventio Ag | Suspension rope wear detector |
| US20030062225A1 (en) | 2001-10-03 | 2003-04-03 | Stucky Paul A. | Elevator load bearing assembly having a detectable element that is indicative of local strain |
| JP2004232136A (ja) * | 2003-01-30 | 2004-08-19 | Mitsubishi Electric Corp | ロープ |
| JP2005195472A (ja) * | 2004-01-07 | 2005-07-21 | Mitsubishi Electric Building Techno Service Co Ltd | ロープテスタ |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020062577A (ja) * | 2018-10-15 | 2020-04-23 | 株式会社島津製作所 | 磁性体粒子操作用装置 |
| JP7110900B2 (ja) | 2018-10-15 | 2022-08-02 | 株式会社島津製作所 | 磁性体粒子操作用装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2007138643A1 (ja) | 2009-10-01 |
| CN101233066B (zh) | 2013-06-12 |
| KR100932589B1 (ko) | 2009-12-17 |
| KR20080026617A (ko) | 2008-03-25 |
| EP2020394A4 (en) | 2013-02-20 |
| EP2020394A1 (en) | 2009-02-04 |
| JP5436776B2 (ja) | 2014-03-05 |
| CN101233066A (zh) | 2008-07-30 |
| EP2020394B1 (en) | 2017-12-27 |
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