WO2017195352A1 - Câble d'ascenseur et dispositif de détection d'état tordu du câble - Google Patents

Câble d'ascenseur et dispositif de détection d'état tordu du câble Download PDF

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Publication number
WO2017195352A1
WO2017195352A1 PCT/JP2016/064299 JP2016064299W WO2017195352A1 WO 2017195352 A1 WO2017195352 A1 WO 2017195352A1 JP 2016064299 W JP2016064299 W JP 2016064299W WO 2017195352 A1 WO2017195352 A1 WO 2017195352A1
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WO
WIPO (PCT)
Prior art keywords
rope
twist
elevator
length
amount
Prior art date
Application number
PCT/JP2016/064299
Other languages
English (en)
Japanese (ja)
Inventor
肥田　政彦
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2016/064299 priority Critical patent/WO2017195352A1/fr
Priority to JP2018516313A priority patent/JP6567174B2/ja
Priority to CN201680084899.7A priority patent/CN109071172B/zh
Publication of WO2017195352A1 publication Critical patent/WO2017195352A1/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

Definitions

  • the present invention relates to an elevator rope that is used for raising and lowering an elevator car, and more particularly to an elevator rope and a rope twist state detection device that pay attention to twisting generated in the rope.
  • Patent Document 1 there is one line added to the rope with paint. For this reason, depending on the direction of the rope, there is a case where it is difficult to identify the twist due to the presence of a line at a position that is difficult to see.
  • the present invention has been made in order to solve the above-described problems.
  • An elevator rope capable of visualizing twisting of a rope while suppressing an increase in manufacturing cost, and a rope using the rope.
  • An object is to obtain a twisted state detection device.
  • the elevator rope according to the present invention is an elevator rope in which a torsion identification mark for identifying a torsion state in the length direction of the rope is formed on the outer layer surface of the rope body.
  • the torsion identification mark is a circumferential direction of the rope.
  • the rope twist state detection device is a rope twist state detection device that diagnoses the twist state of the rope using the elevator rope according to the present invention, and is a rope that moves as the car moves up and down.
  • a camera that generates image data including torsional identification marks at a plurality of locations in the length direction by imaging the outer layer surface of the camera from a certain direction, and a torsional identification mark included in each of the image data generated at the plurality of locations.
  • the twist amount of the rope over the length direction is quantitatively calculated
  • the twist angle per unit length is calculated from the twist amount and the interval
  • the twist angle per unit length is calculated from the twist amount and the interval
  • markings having different visibility are attached to a plurality of locations in the circumferential direction of the rope, and the markings in the circumferential direction are provided with elevator ropes arranged at intervals in the length direction. Adopted. As a result, it is possible to obtain an elevator rope that can visualize the twist of the rope while suppressing an increase in manufacturing cost, and a rope twist state detection device using this rope.
  • Embodiment 2 of this invention it is explanatory drawing which showed the image data of the marking part of two places taken in into the determination device in the state where rope twist has not generate
  • Embodiment 2 of this invention it is explanatory drawing which showed the image data of the marking part of two places taken in into the determination device in the state in which the rope twist has generate
  • Embodiment 2 of this invention it is explanatory drawing which showed the relationship between twist angle
  • Embodiment 1 First, in order to visualize the twisting of the rope, the external configuration of the elevator rope 1 used in the present invention will be described with reference to FIGS. 1 and 2. In the following description, the elevator rope 1 is simply referred to as the rope 1 and described.
  • FIG. 1 is a diagram for explaining an external configuration of a rope 1 according to Embodiment 1 of the present invention.
  • FIG. 2 is a figure for demonstrating arrangement
  • torsion identification marks 11a, 11b, 11c, and 11d for identifying torsion of the rope are arranged at a pitch of 90 degrees in the circumferential direction (FIG. 2). reference).
  • the four types of torsion identification marks are simply referred to as marks, and the generic name of the four types of torsion identification marks 11a, 11b, 11c, and 11d is referred to as a mark 11.
  • the mark 11a is configured as one line segment
  • the mark 11b is configured as two line segments
  • the mark 11c is configured as three line segments
  • the mark 11d is configured as four line segments. It has sex.
  • circumferential markings having four marks 11a to 11d are continuously provided at intervals L in the length direction of the rope 1 in a state where no twist is generated as shown in FIG. Are arranged in the same pattern.
  • the length identifying mark 12 of the rope 1 can be added to any position of the interval L as required.
  • the optimum value of the distance L in the length direction depends on the layout of the elevator, but is preferably about 0.5 to 1 m from the viewpoint of visualization.
  • the same effect can be obtained by arranging line segments in which the thicknesses of the plurality of marks 11 are gradually changed over one circumferential direction, or attaching one triangular mark over the circumferential direction. be able to. Furthermore, when forming a plurality of marks in the circumferential direction, it is not always necessary to have an equal interval, and the number is not limited to four.
  • each mark 11 is configured to identify the position in the circumferential direction
  • the number, arrangement, color, shape, and the like of each mark 11 can be appropriately designed according to the application.
  • the length identification mark 12 is present in order to specify an approximate position where a twist abnormality has occurred. For this reason, it is not necessary to make the distance in the length direction to which the length identification mark 12 is attached as fine as that of the twist identification mark 11. As an example, it is desirable to mark the distance between the length identification marks 12 once every 5 to 10 m.
  • twist identifying mark 11 and the length identifying mark 12 can adopt either the same color or different colors, and even if they are the same color, the function of each mark can be exhibited. .
  • the rope 1 may be a rope whose outermost layer is a wire (wire rope) or a rope provided with a resin outer layer covering, and any rope can be visualized by applying the marking of the present invention. Can be realized.
  • Embodiment 2 As described in the first embodiment, by using the rope 1 on which the marking according to the present invention has been adopted, it is possible to easily detect the abnormality of the rope visually.
  • an apparatus configuration for automatically diagnosing the twisted state of the rope using a dedicated instrument will be described in consideration of the efficiency of the inspection work.
  • FIG. 3 is an overall configuration diagram of an elevator apparatus including a rope twist state detection apparatus according to Embodiment 2 of the present invention.
  • a machine room 20 is provided in the upper part of the hoistway.
  • a cage 2 is connected to one end of the rope 1, and a counterweight 3 is connected to the other end of the rope 1.
  • the rope 1 is wound around a hoisting machine sheave 4 and a warping wheel 5 installed in the machine room 20.
  • the elevator control apparatus 21 installed in the machine room 20 drives the hoisting machine sheave 4 by drivingly controlling a hoisting machine motor (not shown), and moves the car 2 to a desired position in the hoistway. Will be moved to.
  • a camera 22 and a determiner 23 are provided in the machine room 20 in order to automatically diagnose the twisted state of the rope.
  • the camera 22 acquires image data of the mark 11 attached to the rope 1.
  • the determiner 23 twists the rope based on the type and position of the mark included in the image data of the mark 11 marked in the circumferential direction, which is obtained via the camera 22 at two points L apart. Determine the state.
  • the elevator control device 21 raises and lowers the car 2 in order to collect image data for inspecting the twisted state of the rope 1 based on the operation input by the installation worker.
  • the determiner 23 acquires two pieces of image data IMG1 and IMG2 separated by an interval L in the length direction of the rope 1 via the camera 22.
  • FIG. 4 is an explanatory diagram showing image data of two marking portions taken into the determiner 23 in a state where no rope twist has occurred in the second embodiment of the present invention.
  • FIG. 5 is an explanatory diagram showing the image data of the two marking portions taken into the determiner 23 in a state where the rope twist has occurred in the second embodiment of the present invention.
  • two image data IMG1 and IMG2 are arranged in the length direction for easy understanding.
  • the two image data IMG1 and IMG2 are captured when they move to a position facing the camera 22, as shown in FIG.
  • the position of the mark 11 included in the image data IMG1 and the position of the mark 11 included in the image data IMG2 are substantially in the same phase.
  • the position of the mark 11 included in the image data IMG1 and the position of the mark 11 included in the image data IMG2 are equal to the twist angle ⁇ .
  • the phase is shifted.
  • the determiner 23 can determine whether or not a twist exceeding the allowable range has occurred from the phase of the two image data IMG1 and IMG2. Specifically, the determiner 23 can calculate the twist amount per unit length from the twist angle ⁇ in the two image data IMG1 and IMG2 separated by the interval L.
  • the determiner 23 determines whether or not the calculated twist amount is within a preset allowable range. If the twist amount is outside the allowable range, an unacceptable twist is generated. It can be determined that
  • the determiner 23 includes one of the marks 11a, 11b, 11c, and 11d as the same mark to be compared for obtaining the twist angle ⁇ in the two image data IMG1 and IMG2.
  • the twist angle ⁇ can be obtained based on the same mark position.
  • the determiner 23 includes any one of the marks 11a, 11b, 11c, and 11d as the same mark to be compared for obtaining the twist angle ⁇ in the two image data IMG1 and IMG2. If not, it can be determined that a twist of at least 90 degrees has occurred, and as a result, it can be determined that an unacceptable twist has occurred.
  • FIG. 6 is an explanatory diagram showing the relationship between the twist angle ⁇ and the rope length when the car 2 is raised / lowered in a state where the rope twist is not generated in the second embodiment of the present invention.
  • FIG. 7 is an explanatory diagram showing the relationship between the twist angle ⁇ and the rope length when the car 2 is raised / lowered in a state where the rope twist has occurred in the second embodiment of the present invention. It is.
  • the determiner 23 can obtain the twist angle ⁇ from two adjacent image data for each interval L. Therefore, the twist angle ⁇ indicated by the vertical axis in FIGS. 6 and 7 corresponds to a value obtained by accumulating the twist angle ⁇ calculated from the adjacent mark 11 in the length direction according to the rope length.
  • the torsion angle ⁇ is a discrete value calculated for each interval L.
  • the change in the twist angle ⁇ when the car is raised and lowered in the range from the lowest floor to the highest floor is a continuous amount obtained by connecting discrete values. As shown.
  • the determiner 23 generates an abnormal twist in the rope 1 if the twist amount per unit length of the rope 1 exceeds the allowable range in an arbitrary section as indicated by a dotted circle in FIG. Judge that you are doing.
  • the determiner 23 can determine that the rope 1 needs to be replaced.
  • the torsion angle is obtained quantitatively by obtaining the phase of the mark position at regular intervals by image processing using the rope described in the first embodiment. be able to. As a result, it is possible to automatically diagnose the twisted state of the rope, and to improve the efficiency of the inspection work.
  • Embodiment 3 In the second embodiment, the configuration of the rope twist state detection device that automatically diagnoses the change in the twist angle ⁇ and automatically diagnoses whether or not the rope needs to be reinstalled or replaced has been described.
  • the rope twist state detection apparatus further provided with the mechanism which adjusts the twist of a rope based on an automatic diagnosis result is demonstrated.
  • FIG. 8 is an overall configuration diagram of an elevator apparatus including a rope twist state detection apparatus according to Embodiment 3 of the present invention.
  • the configuration of FIG. 8 in the present third embodiment includes a car suspension vehicle 6a, a counterweight suspension vehicle 6b, rope end fittings 7a and 7b, and a rope rotation controller. 24 is further different. Therefore, these differences will be mainly described below.
  • One end of the rope 1 in the third embodiment is held by a rope end fitting 7a installed in the machine room 20 via a car suspension car 6a installed on the upper part of the car 2.
  • the other end of the rope 1 is held by a rope terminal fitting 7b installed in the machine room 20 via a counterweight suspension vehicle 6b installed on the upper part of the counterweight 3.
  • the elevator control device 21 can rotate the rope 1 in a direction to eliminate the twisted state of the rope 1 by driving the rope end fitting 7 a via the rope rotation controller 24.
  • the elevator control device 21 calculates the rotation speed of the rope end fitting 7a for eliminating the twist angle ⁇ according to the twist angle ⁇ calculated by the determiner 23, and calculates the calculated rotation speed. Transmit to the rope rotation controller 24.
  • the rope rotation controller 24 eliminates the twist angle ⁇ by controlling the rotation of the rope end fitting 7a based on the received rotation speed.
  • a configuration is provided in which the position of the rope in the rotational direction can be automatically adjusted based on the twist angle quantitatively calculated by image processing.
  • the elevator control device 21 calculates the rotation speed of the rope end fitting 7a and transmits the calculated rotation speed to the rope rotation controller 24.
  • the twist angle ⁇ calculated by the determiner 23 is directly received by the rope rotation controller 24 and the rope rotation controller 24 calculates the rotation speed of the rope end fitting 7a itself.

Landscapes

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

Abstract

L'invention concerne un câble d'ascenseur dans lequel des repères d'identification de torsion sont formés sur la surface de couche externe du corps de câble, afin d'identifier lorsque le câble est tordu dans la direction longitudinale. Les repères d'identification de torsion sont formés dans la direction circonférentielle du câble sous forme de repères ayant différents niveaux de visibilité permettant l'identification de positions dans la direction circonférentielle, et sont formés selon le même motif dans la direction longitudinale du câble au niveau d'une pluralité de positions à des intervalles prédéfinis.
PCT/JP2016/064299 2016-05-13 2016-05-13 Câble d'ascenseur et dispositif de détection d'état tordu du câble WO2017195352A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2016/064299 WO2017195352A1 (fr) 2016-05-13 2016-05-13 Câble d'ascenseur et dispositif de détection d'état tordu du câble
JP2018516313A JP6567174B2 (ja) 2016-05-13 2016-05-13 エレベータ用ロープおよびロープ捩れ状態検出装置
CN201680084899.7A CN109071172B (zh) 2016-05-13 2016-05-13 电梯用绳索和绳索扭转状态检测装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/064299 WO2017195352A1 (fr) 2016-05-13 2016-05-13 Câble d'ascenseur et dispositif de détection d'état tordu du câble

Publications (1)

Publication Number Publication Date
WO2017195352A1 true WO2017195352A1 (fr) 2017-11-16

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PCT/JP2016/064299 WO2017195352A1 (fr) 2016-05-13 2016-05-13 Câble d'ascenseur et dispositif de détection d'état tordu du câble

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JP (1) JP6567174B2 (fr)
CN (1) CN109071172B (fr)
WO (1) WO2017195352A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019137489A (ja) * 2018-02-08 2019-08-22 東芝エレベータ株式会社 エレベータ
WO2020200727A1 (fr) * 2019-03-29 2020-10-08 Inventio Ag Détermination de l'état d'un moyen de suspension

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6542416B1 (ja) * 2018-03-12 2019-07-10 東芝エレベータ株式会社 ロープ検査システム、ロープ検査方法、およびプログラム
TW202242364A (zh) * 2021-04-20 2022-11-01 香港商安鎂樂科技有限公司 使用光纖傳感器監測繩索和繩索狀結構中張力的系統和方法
CN117615986A (zh) * 2021-07-19 2024-02-27 三菱电机楼宇解决方案株式会社 姿态确认部件、姿态确认系统以及电梯系统
TWI812390B (zh) * 2022-08-08 2023-08-11 陳明助 鋼索扭轉檢驗方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642991U (ja) * 1992-11-26 1994-06-07 朗 堤 スパイラルケーブル
JP2005512921A (ja) * 2001-12-19 2005-05-12 オーチス　エレベータ　カンパニー 外面マーキング付き吊り上げベルト
WO2012004867A1 (fr) * 2010-07-07 2012-01-12 三菱電機株式会社 Câble d'ascenseur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL133050A (en) * 1998-12-07 2003-12-10 Inventio Ag Device for identification of need to replace synthetic fiber ropes
JP5463320B2 (ja) * 2011-04-07 2014-04-09 株式会社日立ビルシステム 乗客コンベアハンドレールの検査方法
CN104515777B (zh) * 2015-01-14 2017-03-08 兖州煤业股份有限公司 强磁‑图像联合钢丝绳在线无损探伤系统及方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642991U (ja) * 1992-11-26 1994-06-07 朗 堤 スパイラルケーブル
JP2005512921A (ja) * 2001-12-19 2005-05-12 オーチス　エレベータ　カンパニー 外面マーキング付き吊り上げベルト
WO2012004867A1 (fr) * 2010-07-07 2012-01-12 三菱電機株式会社 Câble d'ascenseur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019137489A (ja) * 2018-02-08 2019-08-22 東芝エレベータ株式会社 エレベータ
WO2020200727A1 (fr) * 2019-03-29 2020-10-08 Inventio Ag Détermination de l'état d'un moyen de suspension
CN113544074A (zh) * 2019-03-29 2021-10-22 因温特奥股份公司 承载机构的状态确定
CN113544074B (zh) * 2019-03-29 2022-10-18 因温特奥股份公司 承载机构的状态确定

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JPWO2017195352A1 (ja) 2018-09-13
CN109071172A (zh) 2018-12-21
JP6567174B2 (ja) 2019-08-28
CN109071172B (zh) 2020-06-16

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