WO2023002895A1 - エスカレーターのチェーンの振れ幅確認装置及び振れ幅確認方法 - Google Patents

エスカレーターのチェーンの振れ幅確認装置及び振れ幅確認方法 Download PDF

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Publication number
WO2023002895A1
WO2023002895A1 PCT/JP2022/027529 JP2022027529W WO2023002895A1 WO 2023002895 A1 WO2023002895 A1 WO 2023002895A1 JP 2022027529 W JP2022027529 W JP 2022027529W WO 2023002895 A1 WO2023002895 A1 WO 2023002895A1
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WO
WIPO (PCT)
Prior art keywords
confirmation
laser projection
laser beam
projection unit
chain
Prior art date
Application number
PCT/JP2022/027529
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English (en)
French (fr)
Japanese (ja)
Inventor
佳祐 指田
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 CN202280006367.7A priority Critical patent/CN116057001B/zh
Priority to KR1020237006225A priority patent/KR102522987B1/ko
Publication of WO2023002895A1 publication Critical patent/WO2023002895A1/ja

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B29/00—Safety devices of escalators or moving walkways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning

Definitions

  • the present disclosure relates to an escalator chain swing width confirmation device and a swing width confirmation method.
  • Patent Document 1 discloses a technique for accurately diagnosing the elongation of a moving handrail drive chain. This technology is equipped with a multi-beam sensor that uses infrared rays to detect the vertical deflection of the handrail drive chain, and an indicator that displays the detected deflection. According to this device, it is possible to constantly monitor the degree of elongation of the handrail drive chain.
  • Patent Document 1 When inspecting the swing width of the handrail chain, hold the tension meter with one hand and push the handrail chain with a specified force while holding a steel rule with the other hand and confirming whether the swing width is within the set value range. A common method is to This work needs to be done with both hands in a limited work space, and improvement of workability is desired.
  • the technique of Patent Document 1 can accurately detect the amplitude of the vibration with the multi-beam sensor, but the multi-beam sensor is installed across the handrail chain, and the amplitude is detected while pressing the handrail chain. not expected to do so.
  • the device of Patent Document 1 since the device of Patent Document 1 is permanently installed in an escalator, there is also a problem that the device becomes large-scale. As described above, the inspection of the swing width of the handrail chain has a problem of improving workability with a simple device configuration.
  • the present disclosure has been made to solve the above-described problems, and aims to provide a technique capable of improving workability with a simple device configuration in inspecting the swing width of handrail chains of escalators. aim.
  • a swing width confirmation device for checking the swing width of an escalator chain includes a reference laser projection unit that irradiates a reference laser beam from a horizontal direction on the side surface of the chain located in a measurement target portion, and a reference laser beam. and at least one verification laser projection unit for irradiating a verification laser beam parallel to the light. At least one confirmation laser projection unit is arranged at a position where the irradiation interval between the reference laser beam and the confirmation laser beam is the set value of the amplitude.
  • the swing width confirmation method for checking whether the swing width of the escalator chain is within the range of the set value using the swing width confirmation device of the present disclosure is to irradiate the measurement target part with a reference laser beam from the horizontal direction. a fixing step of fixing the laser projection unit so that the confirmation laser light overlaps with the pressing direction orthogonal to the tension direction of the chain; a pressing step of pressing the measurement target portion in the pressing direction with a specified force; a confirmation step of confirming whether or not the part is included in a range between the reference laser beam and the confirmation laser beam.
  • the escalator chain deflection confirmation device of the present disclosure it is possible to visually confirm the irradiation point of the confirmation laser beam that is separated from the reference laser beam by the set value in the measurement target portion. As a result, it is possible to easily confirm whether or not the swing width of the chain is within the range of the set value.
  • FIG. 2 is a cross-sectional view showing an example of an escalator to which the swing width confirmation device of the present embodiment is applied; It is a figure which shows the structural example of the amplitude confirmation apparatus of this Embodiment.
  • 3 is a schematic view showing a part of the internal structure of the laser projection unit 22.
  • FIG. 4 is a front view showing an extract of an adjustment mechanism 50 of the laser projection unit 22;
  • FIG. 5 is a plan view of the adjusting mechanism 50 of FIG. 4 as seen from above;
  • FIG. It is a figure which shows an example of a guide board.
  • FIG. 10 is a diagram showing another example of confirmation results in the confirmation step of the amplitude confirmation method of the present embodiment;
  • FIG. 1 is a cross-sectional view showing an example of an escalator to which a swing-width checking device is applied.
  • the escalator comprises a truss 1 and steps 2.
  • the truss 1 spans the upper and lower floors.
  • a passenger moves from a boarding gate (not shown) to an alighting gate 3 on steps 2 . That is, FIG. 1 shows an upward escalator.
  • the escalator shown in FIG. 1 may be a downward escalator.
  • a machine room 4 is provided below the exit 3.
  • the machine room 4 is a space formed inside the truss 1 .
  • the machine room 4 is closed with a floor board 5 .
  • the floor plate 5 forms the floor of the exit 3.
  • An electric motor 6 and a control device 7 are provided in the machine room 4 .
  • Electric motor 6 drives sprocket 8 .
  • a control device 7 controls the electric motor 6 .
  • Sprockets 10 and 11 are provided on the shaft 9 on which the sprocket 8 is provided. Sprockets 10 and 11 rotate with sprocket 8 .
  • a step chain 12 is wound around the sprocket 10. - ⁇ A large number of step shafts 13 are provided on the step chain 12 .
  • a step 2 is fixed to each step shaft 13 . As a result, a large number of steps 2 are connected to the step chain 12 . The step 2 is moved by being pulled by the step chain 12. - ⁇
  • a handrail chain 14 is wound between the sprocket 11 and the sprocket 18.
  • the handrail chain 14 transmits the driving force of the electric motor 6 to the driving device 15 .
  • the driving device 15 drives the moving handrail 16 .
  • the step chain 12 and handrail chain 14 are examples of chains used in escalators. Other chains may be used in escalators.
  • the drive 15 is provided with a chain for rotating the rollers that contact the handrail 16 .
  • a swing width checking device 20 of the present disclosure is used when checking the swing width of a chain.
  • the structure of the swing width checking device 20 and an inspection method using the swing width checking device will be described in detail below, taking the case of checking the swing width of the handrail chain 14 of an escalator as an example.
  • FIG. 2 is a diagram showing a configuration example of the amplitude checking device of the present embodiment.
  • a swing width confirmation device 20 shown in FIG. 2 includes a laser projection unit 22 and a fixture 24 .
  • the laser projection unit 22 is a unit for projecting a laser beam that serves as a guideline for measuring the swing width of the handrail chain 14 .
  • the laser projection unit 22 is fixed to the truss 1 or the like of the machine room 4 by means of fixtures 24 .
  • the fixture 24 is exemplified by, for example, a flexible tripod whose legs can be flexibly wound.
  • the laser projection unit 22 includes one reference laser projection section 30, two confirmation laser projection sections 32 and 34, a battery 36, and a power switch 38.
  • the reference laser projection unit 30 projects a reference laser beam L1 that indicates a reference when measuring the swing width of the handrail chain 14 .
  • the reference laser projection unit 30 has a rectangular parallelepiped block shape.
  • An opening 26 is provided in the front of the laser projection unit 22 along the longitudinal direction.
  • the reference laser beam L1 projected from the reference laser projection unit 30 is irradiated to the outside from the opening 26 .
  • the two confirmation laser light projection units 32 and 34 project confirmation laser beams L2 and L3, respectively, which are allowable limit values when measuring the swing width of the handrail chain 14.
  • the confirmation laser projection units 32 and 34 have a rectangular parallelepiped block shape.
  • the confirmation laser beams L2 and L3 are laser beams parallel to the reference laser beam L1.
  • the two confirmation laser projection units 32 and 34 are arranged on a straight line with the reference laser projection unit 30 sandwiched in the center and at positions equidistant from the reference laser projection unit 30 .
  • Confirmation laser beams L2 and L3 projected from the two confirmation laser projection units 32 and 34 are irradiated to the outside from the opening 26 .
  • a battery 36 is a power source for the reference laser projection unit 30 and the confirmation laser projection units 32 and 34 .
  • a power switch 38 is the main power source for the laser projection unit 22 . When the power switch 38 is turned on, the power from the battery 36 is supplied to the reference laser projection section 30 and the confirmation laser projection sections 32 and 34 .
  • the laser projection unit 22 has an adjustment mechanism for manually adjusting the irradiation interval between the reference laser beam L1 and the confirmation laser beams L2 and L3.
  • FIG. 3 is a schematic diagram showing a part of the internal structure of the laser projection unit 22. As shown in FIG. As shown in FIG. 3, on the side of the opening 26 of the laser projection unit 22, a groove-shaped adjustment mechanism 50 for adjusting the positions of the reference laser projection portion 30 and the confirmation laser projection portions 32 and 34 is provided. A channel portion 52, a lead screw shaft 40 and a thumbscrew 42 are provided.
  • FIG. 4 is a front view showing an excerpt of the adjustment mechanism 50 of the laser projection unit 22.
  • FIG. 5 is a plan view of the adjusting mechanism 50 of FIG. 4 as seen from above.
  • the channel portion 52 is indicated by a dashed line, and the internal structure thereof is seen through.
  • the channel part 52 is a member having a U-shaped cross section for arranging the reference laser projection part 30 and the two confirmation laser projection parts 32 and 34 .
  • the reference laser projection section 30 arranged in the channel section 52 is fixed to the channel section 52 with screws 54 .
  • the two confirmation laser projection parts 32 and 34 are arranged so as to be slidable along the extending direction of the channel part 52 .
  • the reference laser projection part 30 and the two confirmation laser projection parts 32 and 34 are arranged so that the bottom surface, the front surface and the rear surface are in close contact with the channel part 52 . According to such a configuration, the directions of the confirmation laser light projection units 32 and 34 are regulated so that the confirmation laser beams L2 and L3 are parallel to the reference laser beam L1.
  • the feed screw shaft 40 has a shape in which a first threaded portion 402 having a normal thread and a second threaded portion 404 having a reverse thread are connected in a straight line.
  • a thumbscrew 42 is attached to the end of the feed screw shaft 40 on the second threaded portion 404 side.
  • the thumbscrew 42 is for rotating the feed screw shaft 40 from the outside of the laser projection unit 22 .
  • the end of the feed screw shaft 40 on the side of the first threaded portion 402 is rotatably supported by the laser projection unit 22 so that axial movement is restricted.
  • a feed screw nut 322 that screws together with the first screw portion 402 is formed in the confirmation laser projection portion 32 .
  • a feed screw nut 342 that screws together with the second screw portion 404 is formed in the confirmation laser projection portion 34 .
  • a through hole 302 having a diameter larger than that of the feed screw shaft 40 is formed in the reference laser projection section 30 .
  • the feed screw shaft 40 is passed through the through-hole of the reference laser projection section 30 .
  • the confirmation laser projection portions 32 and 34 are screwed into the first screw portion 402 and the second screw portion 404 respectively at positions equidistant from the reference laser projection portion 30 .
  • the reference laser projection section 30 is positioned centrally between the confirmation laser projection sections 32 and 34 .
  • the confirmation laser projection units 32 and 34 move horizontally toward the reference laser projection unit 30 by the same distance.
  • the confirmation laser projection units 32 and 34 move horizontally by the same distance away from the reference laser projection unit 30 .
  • a scale 44 for checking the irradiation interval between the reference laser beam L1 and the confirmation laser beams L2 and L3 is provided on the front surface of the laser projection unit 22. along the direction of movement of By rotating the thumbscrew 42 while checking the scale 44, the maintenance personnel can adjust the irradiation interval between the reference laser beam L1 and the two confirmation laser beams L2 and L3 all at once.
  • the amplitude confirmation device 20 is fixed at the measurement position.
  • a measurement target portion P ⁇ b>1 of the handrail chain 14 is an intermediate portion between the sprockets 11 and 10 .
  • the reference laser beam L1 is horizontally irradiated on the side surface of the handrail chain 14 at the measurement target portion P1, and the confirmation laser beams L2 and L3 are positioned upward and downward in the pressing direction from the reference laser beam L1. Width confirmation device 20 is fixed.
  • FIG. 6 is a diagram showing an example of a guide board.
  • a guide plate 60 shown in this figure has a tension direction guideline 62 and a pressure direction guideline 64 .
  • a maintenance worker applies the guide board 60 to the rear side of the handrail chain 14 and aligns the lower line of the handrail chain 14 with the guideline 62 in the tension direction. Then, the maintenance staff adjusts the position of the deflection checking device 20 so that the checking laser beams L2 and L3 are positioned on the guideline 64 in the pressing direction.
  • the maintenance worker presses the measurement target part P1 upward in the pressing direction with a force of 20 N using a tension meter. This step is called a “pressing step”. Then, the maintenance staff confirms whether the measurement target portion P1 belongs to the range between the reference laser beam L1 and the confirmation laser beam L2. This step is called the “confirmation step”. Similarly, in the pressing step, the maintenance worker uses a tension meter to press the measurement target portion P1 downward in the pressing direction with a force of 20N. Then, in the confirmation step, the maintenance personnel confirms whether the measurement target portion P1 belongs to the range between the reference laser beam L1 and the confirmation laser beam L3.
  • FIG. 7 is a diagram showing an example of confirmation results in the confirmation process.
  • the measurement target portion P1 is within the range between the reference laser beam L1 and the confirmation laser beam L2 and between the reference laser beam L1 and the confirmation laser beam L3.
  • the maintenance personnel determines that the swing width of the handrail chain 14 is within the range of the set value W and that adjustment of the swing width is unnecessary.
  • FIG. 8 is a diagram showing another example of confirmation results in the confirmation process.
  • the measurement target portion P1 exceeds the range between the reference laser beam L1 and the confirmation laser beam L2 and between the reference laser beam L1 and the confirmation laser beam L3.
  • the maintenance staff judges that the swing width of the handrail chain 14 is outside the range of the set value W, and that adjustment of the swing width is necessary.
  • the maintenance worker can check the limit value of the swing width using the confirmation laser beams L2 and L3. There is no need to separately hold a measuring instrument such as This makes it possible to improve the workability of amplitude measurement.
  • the chain to which the swing width confirmation device 20 can be applied is not limited to the handrail chain 14. That is, the swing width confirmation device 20 can also be used to measure the swing width of other chains provided on the escalator.
  • the amplitude confirmation device 20 includes two confirmation laser projection units 32 and 34, but the number is not limited as long as at least one confirmation laser projection unit is provided.
  • the configuration of the adjustment mechanism 50 is not essential. That is, in the amplitude confirmation device 20, the distance between the reference laser projection unit 30 and the confirmation laser projection units 32 and 34 may be fixed at the set value W, which is a fixed value. Further, the configuration of the adjustment mechanism 50 is not limited to a configuration including the feed screw shaft 40, and may be a configuration in which the confirmation laser projection units 32 and 34 are directly slid by hand.
  • the configuration of the channel portion 52 is not essential. Further, in the adjustment mechanism 50 of the embodiment, the channel portion 52 is arranged below the reference laser projection portion 30 and the confirmation laser projection portions 32 and 34. However, instead of or in addition to this, a channel portion may be provided above the reference laser projection portion 30 and the confirmation laser projection portions 32 and 34 .
  • the fixture 24 is not limited to a flexible tripod. That is, the fixture 24 may be a magnet or a tripod or the like that can stand on the floor, as long as the fixture 24 can fix the laser projection unit 22 at a specified position.
  • the adjustment mechanism 50 is configured to manually rotate the thumbscrew 42, it may be configured to be electrically rotated using an actuator such as a motor.
  • the swing width confirmation device 20 may be used to measure the swing width of the handrail chain 14.
  • the maintenance worker turns the thumbscrew 42 to align the position of the confirmation laser beam L2 with the measurement target portion P1.
  • the maintenance personnel reads the size of the position of the confirmation laser projection unit 32 from the scale 44 .
  • a similar operation is performed after the upward pressing step. According to such a method, it is possible to measure and confirm the actual values of the vertical swing width of the handrail chain 14 respectively.
  • the reference laser projection unit 30 and the confirmation laser projection units 32 and 34 may be configured so that the focus of the laser beam can be adjusted.

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  • Escalators And Moving Walkways (AREA)
PCT/JP2022/027529 2021-07-20 2022-07-13 エスカレーターのチェーンの振れ幅確認装置及び振れ幅確認方法 WO2023002895A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202280006367.7A CN116057001B (zh) 2021-07-20 2022-07-13 自动扶梯的链条的振幅确认装置以及振幅确认方法
KR1020237006225A KR102522987B1 (ko) 2021-07-20 2022-07-13 에스컬레이터의 체인의 흔들림폭 확인 장치 및 흔들림폭 확인 방법

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JP2021119818A JP7136287B1 (ja) 2021-07-20 2021-07-20 エスカレーターのチェーンの振れ幅確認装置及び振れ幅確認方法
JP2021-119818 2021-07-20

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WO2023002895A1 true WO2023002895A1 (ja) 2023-01-26

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KR (1) KR102522987B1 (zh)
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WO (1) WO2023002895A1 (zh)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0891751A (ja) * 1994-09-27 1996-04-09 Mitsubishi Denki Bill Techno Service Kk エスカレーターの移動手摺駆動装置
JP2000205849A (ja) * 1999-01-06 2000-07-28 Mitsubishi Electric Building Techno Service Co Ltd エスカレ―タのチェ―ンの振幅測定装置及び振幅測定方法
JP2006219220A (ja) * 2005-02-08 2006-08-24 Mitsubishi Electric Building Techno Service Co Ltd チェーンの伸長度診断装置
JP2009208927A (ja) * 2008-03-05 2009-09-17 Mitsubishi Electric Building Techno Service Co Ltd 乗客コンベアのチェーンテンション測定用治具
CN110002329A (zh) * 2018-12-29 2019-07-12 广州地铁设计研究院股份有限公司 一种基于云平台的自动扶梯在线监测预警系统及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3753998B2 (ja) * 2002-04-02 2006-03-08 三菱電機ビルテクノサービス株式会社 乗客コンベヤの駆動チェーンの弛み量診断装置及び診断方法
US10710844B2 (en) * 2016-11-24 2020-07-14 Mitsubishi Electric Corporation Chain stretch detection device, chain stretch detection method, and passenger conveyor
JP6505890B1 (ja) * 2018-03-02 2019-04-24 東芝エレベータ株式会社 診断装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0891751A (ja) * 1994-09-27 1996-04-09 Mitsubishi Denki Bill Techno Service Kk エスカレーターの移動手摺駆動装置
JP2000205849A (ja) * 1999-01-06 2000-07-28 Mitsubishi Electric Building Techno Service Co Ltd エスカレ―タのチェ―ンの振幅測定装置及び振幅測定方法
JP2006219220A (ja) * 2005-02-08 2006-08-24 Mitsubishi Electric Building Techno Service Co Ltd チェーンの伸長度診断装置
JP2009208927A (ja) * 2008-03-05 2009-09-17 Mitsubishi Electric Building Techno Service Co Ltd 乗客コンベアのチェーンテンション測定用治具
CN110002329A (zh) * 2018-12-29 2019-07-12 广州地铁设计研究院股份有限公司 一种基于云平台的自动扶梯在线监测预警系统及方法

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JP7136287B1 (ja) 2022-09-13
KR102522987B1 (ko) 2023-04-19
KR20230035419A (ko) 2023-03-13
CN116057001A (zh) 2023-05-02
JP2023015810A (ja) 2023-02-01
CN116057001B (zh) 2023-10-03

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