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WO2018229824A1 - Marchepied de maintenance pour dispositif de porte de cabine - Google Patents

Marchepied de maintenance pour dispositif de porte de cabine Download PDF

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Publication number
WO2018229824A1
WO2018229824A1 PCT/JP2017/021621 JP2017021621W WO2018229824A1 WO 2018229824 A1 WO2018229824 A1 WO 2018229824A1 JP 2017021621 W JP2017021621 W JP 2017021621W WO 2018229824 A1 WO2018229824 A1 WO 2018229824A1
Authority
WO
WIPO (PCT)
Prior art keywords
car door
scaffold
posture
maintenance
scaffold body
Prior art date
Application number
PCT/JP2017/021621
Other languages
English (en)
Japanese (ja)
Inventor
森倉　大樹
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 JP2019524561A priority Critical patent/JP6716035B2/ja
Priority to PCT/JP2017/021621 priority patent/WO2018229824A1/fr
Priority to CN201780091649.0A priority patent/CN110719881B/zh
Publication of WO2018229824A1 publication Critical patent/WO2018229824A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30—Constructional features of doors or gates
    • 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

Definitions

  • the present invention relates to a maintenance scaffold for a car door device that serves as a scaffold for a maintenance worker during maintenance and inspection of an elevator.
  • Each device placed on the door bag side of the elevator landing door device generally needs regular maintenance and inspection.
  • the maintenance inspection of the equipment is performed in a state where a maintenance worker is placed on the upper part of the cab.
  • large-capacity elevators such as cargo elevators, the distance from the cage room to the door bag side of the landing door device is long, so it is forced to take an unnatural posture and work efficiency is poor.
  • a cross-section has a groove shape that straddles the joints of the plate body, and a base having a flange portion that engages a protruding portion of a joint between the joints on one side of the upper end,
  • a structure in which a scaffold is formed by a footboard provided on a ruminant part side and is temporarily installed on a wall surface of a car room for example, see Patent Document 1).
  • this elevator maintenance scaffolding is attached to the wall of the cab when the space between the wall of the cab and the wall of the hoistway is so narrow that a stepladder cannot be inserted, so that maintenance inspections in the vicinity of the cab can be performed. It is what you do. Therefore, in an elevator apparatus having a long distance from the cab to the wall surface of the hoistway, it is not suitable for performing maintenance and inspection of equipment installed on the wall surface of the hoistway.
  • the elevator maintenance scaffold includes a scaffold body having a foot scene and a car door girder portion that supports the scaffold body, and the scaffold body from the car door girder portion in a top view when not in use.
  • the car door is supported by the car door girder in a first position that does not protrude toward the center of the hoistway, and when used, the car door is in a second position that protrudes from the car door girder toward the center of the hoistway when viewed from above.
  • the foot scene is parallel to the upper surface of the car door spar.
  • the present invention provides a car door device with a scaffold body that is stored in a position that does not interfere with surrounding equipment when not in use, and that can be used as a scaffold simply by changing the posture during use.
  • a maintenance scaffold that can be stored without disturbing the up-and-down movement of the car during normal operation of the elevator and can be used as a scaffold only by changing the posture during maintenance work.
  • a maintenance worker can easily access the equipment in the hoistway beside or next to the car without bringing a stepladder or the like into the hoistway.
  • FIG. 1 It is a schematic diagram which shows the elevator apparatus in which the scaffold for the maintenance of the car door apparatus in Embodiment 1 of this invention was installed. It is a fragmentary perspective view which shows the car door girder part of the maintenance scaffold of the car door apparatus by Embodiment 1.
  • FIG. It is a figure which shows the 1st modification of the scaffold for a maintenance of the car door apparatus by Embodiment 1.
  • FIG. It is a figure which shows the 2nd modification of the scaffold for a maintenance of the car door apparatus by Embodiment 1.
  • FIG. It is a figure which shows the 3rd modification of the scaffold for a maintenance of the car door apparatus by Embodiment 1.
  • FIG. 1 is a schematic diagram showing an elevator apparatus 100 in which 60 according to the first embodiment is installed.
  • FIG. 2 is a partial perspective view showing a car door girder part of the maintenance scaffold for the car door device.
  • the elevator apparatus has a car room 10 attached to one end of a main rope (not shown) and a counterweight 40 attached to the other end in the hoistway 20.
  • a car door device 60 that opens and closes the door of the car room 10 is attached to the upper part of the car room 10 on the entrance / exit side.
  • the car room 10 is guided in the vertical direction by a guide rail 30 extending in the vertical direction along the hoistway 20.
  • the counterweight 40 is guided in the vertical direction by weight guide rails 31 extending in the vertical direction and attached to a plurality of weight brackets 50 attached to the wall surface 20a of the hoistway 20 at intervals in the vertical direction. .
  • the car room 10 and the counterweight 40 are moved up and down in the hoistway 20 by the rotation of a driving sheave (not shown) wound around the main rope.
  • the part A on the door pocket side is provided with a maintenance scaffold body 80 and support means for supporting the scaffold body 80.
  • the maintenance worker performs the maintenance inspection of the part P shown in FIG. 1 using the scaffold body 80 as a scaffold.
  • the scaffold body 80 includes a first plate 80A having a foot scene S and a first plate 80A on one side of the first plate 80A on the back side of the foot scene S.
  • the second plate 80B extends perpendicularly to the plate 80A.
  • the car door girder 70 is formed of a steel material having an L-shaped cross section, and a slit 70 ⁇ / b> A penetrating the car door girder 70 is formed.
  • a support member 90 that engages with the scaffold body 80 and supports the scaffold body 80 is disposed on the surface of the car door girder 70 that is opposite to the cage room 10.
  • the support member 90 is an iron member whose longitudinal section is formed in a hat shape, and is fixed to the car door girder 70 by means such as welding.
  • the scaffold body 80 is placed on the car door girder 70 in a first posture that does not protrude from the car door girder 70 to the inside of the hoistway 20.
  • the scaffold body 80 projects from the car door girder portion 70 to the inside of the hoistway 20 when the hoistway 20 is viewed from above. It is supported by the car door girder 70 in the posture of 2.
  • FIG. 2 shows the first posture of the scaffold body 80.
  • the first plate 80 ⁇ / b> A of the scaffold body 80 is inserted into the slit 70 ⁇ / b> A of the car door beam 70 and is engaged with the support member 90.
  • the scaffold body 80 is pulled upward.
  • the posture of the scaffold body 80 is changed by 90 °, and the foot scene S is the upper surface of the car door girder 70 as shown in FIG. To be parallel to.
  • the second plate 80B of the scaffold body 80 is inserted into the slit 70A.
  • the second plate 80 B of the scaffold body 80 is engaged with the support member 90.
  • the scaffold body 80 is changed from the first posture to the second posture.
  • the scaffold body 80 including the first plate 80A having the foot scene S and the second plate 80B perpendicular to the first plate 80A is provided.
  • the car door device 60 includes a slit 70A into which the first plate 80A or the second plate 80B of the scaffold body 80 is inserted, and a support member 90 that engages with the inserted first plate 80A or the second plate 80B.
  • a car door girder 70 is provided.
  • the scaffold body 80 In the normal operation of the elevator apparatus 100, the scaffold body 80 is in the first posture in which the first plate 80 ⁇ / b> A is inserted into the slit 70 ⁇ / b> A and the second plate 80 ⁇ / b> B is disposed on the upper part of the car door beam portion 70. .
  • the scaffold body 80 When the elevator apparatus 100 is maintained and inspected, the scaffold body 80 is pulled out from the car door girder 70, the second plate 80B is inserted into the slit 70A, and the first plate 80A is removed from the car door girder 70.
  • the second posture protrudes inside the hoistway 20.
  • the car body 10 is stored in the hoistway because the scaffold body 80 is stored in the car door girder 70 during the normal operation of the elevator apparatus 100. There is no interference when traveling 20.
  • a scaffolding such as a stepladder is not brought into the hoistway 20, but a scaffold is formed in the car door girder 70 by the scaffold body 80 stored in the car door girder 70. Can do. Therefore, even if the part where the maintenance inspection is performed is away from the car room 10, the maintenance worker is forced to take an unreasonable posture with the scaffold body 80 attached to the car door girder 70 as a scaffold. Maintenance work can be performed, and workability is improved.
  • the slit 70A is formed on the surface of the car door girder 70.
  • the car door girder 70 is formed.
  • the notch 70B may be formed in the notch 70B, and the slit 70A may be formed inside the notch 70B.
  • the car door girder portion is formed by making the foot scene S and the upper surface of the car door girder portion 70 the same surface. From 70 to the foot scene S, a scaffold with no steps can be obtained, and the workability is further improved.
  • the scaffold body 80 is supported by the support member 90 fixed to the car door girder 70.
  • the support method of the scaffold body 80 is not limited to this.
  • a third plate 81C parallel to the second plate 81B is interposed between the first plate 81A and the second plate 81B.
  • the scaffold body 81 may be supported so that the car door girder 70 is sandwiched between the second plate 81B and the third plate 81C. In this case, the support member 90 becomes unnecessary and the number of parts can be reduced.
  • the car door device 60 of an existing elevator apparatus can be connected to the car door spar 70. It can be attached simply by forming the slit 70A.
  • a notch portion 70B similar to that in the first modified example is formed in the car door girder portion 70, and the notch portion 70B A slit 70A may be formed inside.
  • the foot door S and the upper surface of the car door girder 70 are made the same surface, thereby the car door girder part. From 70 to the foot scene S, a scaffold with no steps can be obtained, and the workability is further improved.
  • the surface of the foot scene S was made into the plane,
  • the surface shape of the foot scene S is restricted to this It is not a thing.
  • unevenness may be formed on the surface of the foot scene S, or anti-slip processing may be performed with rubber or the like. Thereby, the maintenance worker can work in a stable posture, and the workability is further improved.
  • the shape of the foot scene S is rectangular, but the shape of the foot scene S is not limited to this.
  • the corner of the foot scene S may be chamfered, the end of the foot scene S on the side protruding from the car door girder 70 may be formed in an arc shape, The entire S may be formed in a semicircular shape. Thereby, it can suppress that a maintenance worker's shoes are caught in the corner
  • about the area and shape of the foot scene S it is good to set suitably according to the specification of the hoistway 20 of the elevator apparatus to install.
  • FIG. 6 (a) and 6 (b) are views showing the car door beam portion 70 of the maintenance scaffold 60 of the car door device according to Embodiment 2 of the present invention.
  • the scaffold 60 for maintenance of the car door device according to the second embodiment is different from the first embodiment in the specifications of the posture changing mechanism of the scaffold body 82 and the car door girder 70.
  • Other configurations are the same as those in the first embodiment.
  • the scaffold body 82 of the second embodiment has a shape in which one end side of a rectangular plate material is formed in a semicircular shape.
  • One end side of the scaffold body 82 is fixed to the car door girder 70 by a pin 91 so as to be rotatable, and the other end side of the scaffold body 82 is rotatable about the pin 91.
  • FIG. 6 is a figure which shows the 1st attitude
  • FIG. 6 (B) of FIG. 6 is a figure which shows the 2nd attitude
  • the second posture shown in FIG. A stopper 92 made of, for example, an iron member is welded to the car door beam portion 70, and the rotation of the scaffold body 82 exceeding 90 ° is suppressed by the stopper 92.
  • the scaffold body 82 is formed of a plate material having a longitudinal direction, and the car door girder portion 70 is rotatable at one end side by the pin 91. It is fixed to. And the 1st attitude
  • the maintenance scaffold 60 of the car door device according to the second embodiment can attach the scaffold body 82 to the car door spar 70 without forming the slit 70A and the support member 90 in the car door spar 70. Therefore, the scaffold body 82 can be retrofitted to a car door device of an existing elevator apparatus. Therefore, the workability of the maintenance inspection work in the existing elevator apparatus can be improved.
  • the scaffold body 82 has a substantially rectangular shape with one end formed in a semicircular shape. It is not limited. For example, both ends may be formed in a semicircular shape, a shape obtained by chamfering each corner of a rectangle, or a polygonal shape. Further, the foot scene S of the scaffold body 82 may be formed with unevenness or may be subjected to anti-slip processing with rubber or the like.

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

L'invention concerne un marchepied de maintenance pour un dispositif de porte de cabine, comprenant un corps de marchepied ayant une surface de marchepied et une partie poutre de porte de cabine pour supporter le corps de marchepied. Lorsqu'il n'est pas utilisé, le corps de marchepied est supporté par la partie poutre de porte de cabine dans une première position qui ne fait pas saillie, en vue de dessus, dans une cage depuis la partie poutre de porte de cabine. Lors de l'utilisation, le corps de marchepied est supporté par la partie poutre de porte de cabine dans une seconde position qui fait saillie, en vue de dessus, dans la cage depuis la partie poutre de porte de cabine. Lorsque le corps de marchepied est supporté dans la seconde position par la partie poutre de porte de cabine, la surface de marchepied est parallèle à la face supérieure de la partie poutre de porte de cabine.
PCT/JP2017/021621 2017-06-12 2017-06-12 Marchepied de maintenance pour dispositif de porte de cabine WO2018229824A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019524561A JP6716035B2 (ja) 2017-06-12 2017-06-12 かごドア装置の保守用足場
PCT/JP2017/021621 WO2018229824A1 (fr) 2017-06-12 2017-06-12 Marchepied de maintenance pour dispositif de porte de cabine
CN201780091649.0A CN110719881B (zh) 2017-06-12 2017-06-12 轿厢门装置的维护用脚手架

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/021621 WO2018229824A1 (fr) 2017-06-12 2017-06-12 Marchepied de maintenance pour dispositif de porte de cabine

Publications (1)

Publication Number Publication Date
WO2018229824A1 true WO2018229824A1 (fr) 2018-12-20

Family

ID=64660311

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2017/021621 WO2018229824A1 (fr) 2017-06-12 2017-06-12 Marchepied de maintenance pour dispositif de porte de cabine

Country Status (3)

Country Link
JP (1) JP6716035B2 (fr)
CN (1) CN110719881B (fr)
WO (1) WO2018229824A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5160346A (ja) * 1974-11-21 1976-05-26 Mitsubishi Electric Corp Erebeetayoashibasochi
JPH02186063A (ja) * 1989-01-13 1990-07-20 Hitachi Ltd エレベータ据付用足場装置
JP2005532966A (ja) * 2002-06-20 2005-11-04 オーチス　エレベータ　カンパニー 機械室レス型エレベータのかご用の上部安全柵
JP5174405B2 (ja) * 2007-09-10 2013-04-03 三菱電機株式会社 補助作業床
JP5972161B2 (ja) * 2012-12-12 2016-08-17 株式会社日立製作所 エレベーター装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2889031B2 (ja) * 1991-12-24 1999-05-10 株式会社竹中工務店 エレベータ機械室の構築方法
CA2166841C (fr) * 1995-01-31 2006-08-22 Heinrich Foelix Materiel servant a proteger temporairement un espace de travail
JP4270657B2 (ja) * 1999-07-06 2009-06-03 東芝エレベータ株式会社 エレベータ案内装置
CN1538930A (zh) * 2001-08-03 2004-10-20 弗拉科产品制造有限公司 用于脚手架的提升系统
CN104477736A (zh) * 2012-10-12 2015-04-01 广州广日电梯工程有限公司 一种井道电梯的安装方法
CN106586767B (zh) * 2017-02-24 2023-10-03 富士电梯(四川)有限公司 一种可用于无井道建筑的电梯安装装置组件及电梯安装方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5160346A (ja) * 1974-11-21 1976-05-26 Mitsubishi Electric Corp Erebeetayoashibasochi
JPH02186063A (ja) * 1989-01-13 1990-07-20 Hitachi Ltd エレベータ据付用足場装置
JP2005532966A (ja) * 2002-06-20 2005-11-04 オーチス　エレベータ　カンパニー 機械室レス型エレベータのかご用の上部安全柵
JP5174405B2 (ja) * 2007-09-10 2013-04-03 三菱電機株式会社 補助作業床
JP5972161B2 (ja) * 2012-12-12 2016-08-17 株式会社日立製作所 エレベーター装置

Also Published As

Publication number Publication date
CN110719881B (zh) 2021-01-29
JPWO2018229824A1 (ja) 2019-11-07
JP6716035B2 (ja) 2020-07-01
CN110719881A (zh) 2020-01-21

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