EP1481936B1 - Cage d'ascenseur comprenant une main courante placee la-dessus - Google Patents

Cage d'ascenseur comprenant une main courante placee la-dessus Download PDF

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Publication number
EP1481936B1
EP1481936B1 EP02703934A EP02703934A EP1481936B1 EP 1481936 B1 EP1481936 B1 EP 1481936B1 EP 02703934 A EP02703934 A EP 02703934A EP 02703934 A EP02703934 A EP 02703934A EP 1481936 B1 EP1481936 B1 EP 1481936B1
Authority
EP
European Patent Office
Prior art keywords
handrail
car
extension
main body
handrail device
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.)
Expired - Lifetime
Application number
EP02703934A
Other languages
German (de)
English (en)
Other versions
EP1481936A4 (fr
EP1481936A1 (fr
Inventor
Naohiko Mitsubishi Denki Kabushiki Kaisha SAJIKI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP1481936A1 publication Critical patent/EP1481936A1/fr
Publication of EP1481936A4 publication Critical patent/EP1481936A4/fr
Application granted granted Critical
Publication of EP1481936B1 publication Critical patent/EP1481936B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B66B5/0081—Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car
    • 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
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers

Definitions

  • the present invention relates to an elevator car comprising a car top handrail device, which is provided on top of the car so as to surround a working area for performing maintenance and inspection work on top of the car.
  • Fig. 13 is a side view showing an example of a conventional elevator car.
  • a car frame 1 has a pair of vertical frames 2, a lower frame 3 provided between respective lower end portions of the vertical frames 2, and an upper frame 4 provided between respective upper end portions of the vertical frames 2.
  • a cab 5 is supported on the lower frame 3.
  • a car door 6 Arranged on the front of the cab 5 is a car door 6 for opening and closing a car doorway (not shown).
  • a door machine 7 that drives the car door 6 is supported above the car door 6 to the upper frame 4.
  • a car main body 8 includes the car frame 1, the cab 5, the car door 6, and the door machine 7.
  • a handrail device 9 is fixed to the upper frame 4 through a connection member (not shown).
  • the handrail device 9 has a plurality of fixed handrails 10.
  • the handrail device 9 is arranged so as to surround a working area for performing maintenance or inspection work on top of the car. In the conventional elevator, however, it is necessary to secure a working space for installing the door machine 7, and thus the space above the door machine 7 cannot be surrounded by the handrail device 9.
  • JP-A-08-198549 describes a scaffolding device on the top of an elevator car.
  • the scaffolding device comprises a moving mechanism which is constituted of a guide, a supporting base, a screw rod and a handle.
  • a worker may manually operate the handle to rotate the screw rod so as to slide a footboard along the guide and to move it into a working position.
  • a safety rope is connected between a railing and the worker to maintain safety.
  • an elevator car comprising a car top handrail device, which is provided on top of the car so as to surround a working area for performing maintenance and inspection work on top of the car, the device comprising: a handrail device main body; and an extension handrail connected to the handrail device main body, the extension handrail being displaceable between a contracted position and an expanded position, wherein an enclosed area surrounded by the handrail device main body and the extension handrail is expanded by displacing the extension handrail from the contracted position to the expanded position.
  • An advantage obtainable with embodiments of the present invention is to obtain a car top handrail device for an elevator which is capable of surrounding a larger working area.
  • Fig. 1 is a side view showing a car top handrail device for an elevator according to Embodiment 1 of the present invention
  • Fig. 2 is a side view showing a state where an area enclosed with the car top handrail device of Fig. 1 is broadened
  • Fig. 3 is a plan view showing the car top handrail device of Fig. 2 .
  • a car frame 1 has a pair of vertical frames 2, a lower frame 3 (see Fig. 13 ) provided between respective lower end portions of the vertical frames 2, and an upper frame 4 provided between respective upper end portions of the vertical frames 2.
  • a cab 5 is supported on the lower frame 3.
  • a car door 6 Arranged on the front of the cab 5 is a car door 6 for opening and closing a car doorway (not shown).
  • a door machine 7 that drives the car door 6 is supported above the car door 6 to the upper frame 4.
  • a car main body 8 includes the car frame 1, the cab 5, the car door 6, and the door machine 7.
  • a handrail device main body 11 is provided upright on the upper frame 4.
  • the handrail device main body 11 has first to third fixed handrails 12 to 14.
  • an extension handrail 15 Connected to a front end portion of the handrail device main body 11 is an extension handrail 15 which is displaceable between its contracted position shown in Fig. 1 and its expanded position shown in Fig. 2 .
  • the expanded position is indicated by a solid line whereas the contracted position is indicated by a two-dot chain line.
  • an enclosed area surrounded by the handrail device main body 11 and the extension handrail 15 is expanded. More specifically, when the extension handrail 15 is in its contracted position, a door-machine installation space 16 located above the door machine 7 is located outside the enclosed area. By displacing the extension handrail 15 from the contracted position to the expanded position, the door-machine installation space 16 becomes included within the enclosed area.
  • the handrail device main body 11 is provided with a plurality of main body side mounting holes 11a for connecting the extension handrail 15. Further, the extension handrail 15 is provided with a plurality of first mounting holes 15a that are combined with the main body side mounting holes 11a when the extension handrail 15 is in the contracted position, and a plurality of second mounting holes 15b that are combined with the main body side mounting holes 11a when the extension handrail 15 is in the expanded position.
  • the extension handrail 15 is connected to the handrail device main body 11 by passing a fastener (not shown) through each main body side mounting hole 11a and each first mounting hole 15a or each second mounting hole 15b.
  • the car top handrail device having the handrail device main body 11 and the extension handrail 15, is arranged so as to surround a working area for performing maintenance and inspection work on top of the car main body 8.
  • the extension handrail 15 In the car top handrail device for an elevator which is constructed as described above, by causing the extension handrail 15 to be located at its contracted position, it is possible to secure a sufficient space for performing installation of the door machine 7. In addition, by causing the extension handrail 15 to be located at its expanded position after completing the installation of the door machine 7, it is possible for the car top handrail device to surround a larger working area.
  • Fig. 4 is a side view showing a car top handrail device for an elevator according to Embodiment 2 of the present invention
  • Fig. 5 is a side view showing a state where an area enclosed with the car top handrail device of Fig. 4 is broadened.
  • an extension handrail 21 which is displaceable between its contracted position shown in Fig. 4 and its expanded position shown in Fig. 5 .
  • the extension handrail 21 is moved to slide between the expanded position and the contracted position.
  • Fixed handrails 12 and 13 also serve as guides for sliding of the extension handrail 21.
  • the handrail device main body 11 is provided with fixtures 22 for fixing the extension handrail 21 in the expanded position and in the contracted position. Otherwise, the construction of Embodiment 2 is the same as that of Embodiment 1.
  • the extension handrail 21 In the car top handrail device for an elevator which is constructed as described above, by causing the extension handrail 21 to be located at its contracted position, it is possible to secure a sufficient space for performing installation of the door machine 7. In addition, by causing the extension handrail 21 to be located at its expanded position after completing the installation of the door machine 7, it is possible for the car top handrail device to surround a larger working area.
  • Fig. 6 is a side view showing a car top handrail device for an elevator according to Embodiment 3 of the present invention
  • Fig. 7 is a side view showing a state where an area enclosed with the car top handrail device of Fig. 6 is broadened.
  • an extension handrail 23 connected to a front end portion of a handrail device main body 11 is an extension handrail 23 which is displaceable between its contracted position shown in Fig. 6 and its expanded position shown in Fig. 7 .
  • the extension handrail 23 has a parallel link mechanism and is folded from its expanded position for displacement to its contracted position.
  • the extension handrail 23 is provided with a swingable arm 24.
  • the handrail device main body 11 is provided with an engagement portion 25 with which the arm 24 is engaged.
  • the extension handrail 23 is retained at the expanded position by engaging the arm 24 with the engagement portion 25. Otherwise, the construction of Embodiment 3 is the same as that of Embodiment 1.
  • the extension handrail 23 In the car top handrail device for an elevator which is constructed as described above, by causing the extension handrail 23 to be located at its contracted position, it is possible to secure a sufficient space for performing installation of the door machine 7. In addition, by causing the extension handrail 23 to be located at its expanded position after completing the installation of the door machine 7, it is possible for the car top handrail device to surround a larger working area.
  • Fig. 8 is a side view showing a car top handrail device for an elevator according to Embodiment 4 of the present invention
  • Fig. 9 is a side view showing a state where an area enclosed with the car top handrail device of Fig. 8 is broadened
  • Fig. 10 is a plan view showing the car top handrail device of Fig. 9 .
  • an extension handrail 26 which is displaceable between its contracted position shown in Fig. 8 and its expanded position shown in Fig. 9 .
  • the expanded position is indicated by a solid line whereas the contracted position is indicated by a two-dot chain line.
  • the extension handrail 26 includes a first side handrail 27, a second side handrail 28, a first front handrail 29, and a second front handrail 30.
  • the first side handrail 27 is connected to a first fixed rail 12 so as to be swingable about a vertical axis 27a.
  • the second side handrail 28 is connected to a second fixed rail 13 so as to be swingable about a vertical axis 28a.
  • the first front handrail 29 is connected to the first side handrail 27 so as to be swingable about a vertical axis 29a.
  • the second front handrail 30 is connected to the second side handrail 28 so as to be swingable about a vertical axis 30a.
  • the first and second front handrails 29 and 30 are connected to each other so as to be swingable about a vertical bend axis 31.
  • the first and second side handrails 27 and 28 are each provided with a plurality of engagement portions 32.
  • the first and second fixed handrails 12 and 13 are each provided with a plurality of hooks 33 that engage with the engagement portions 32.
  • the extension handrail 26 is displaced between its expanded position and its contracted position by swinging the first and second side handrails 27 and 28. Further, in the course of the displacement, the first and second front handrails 29 and 30 are bent along the bend axis 31. Otherwise, the construction of Embodiment 4 is the same as that of Embodiment 1.
  • the extension handrail 26 In the car top handrail device for an elevator which is constructed as described above, by causing the extension handrail 26 to be located at its contracted position, it is possible to secure a sufficient space for performing installation of the door machine 7. In addition, by causing the extension handrail 26 to be located at its expanded position after completing the installation of the door machine 7, it is possible for the car top handrail device to surround a larger working area.
  • front handrails may be constructed of a member having flexibility, such as a chain.
  • Fig. 11 is a side view showing a car top handrail device for an elevator according to Embodiment 5 of the present invention
  • Fig. 12 is a side view showing a state where an area enclosed with the car top handrail device of Fig. 11 is broadened.
  • first to third fixed handrails 12 to 14 are each swingable about a horizontal axis 34. This allows the first to third fixed handrails 12 to 14 to be collapsed onto a car main body 8.
  • a member having flexibility, such as a chain is used for front handrails (not shown) of the extension handrail 26. Note that the front handrails may be omitted. Otherwise, the construction of Embodiment 5 is the same as that of Embodiment 4.
  • the handrail device main body 11 can be folded and collapsed on the car main body 8 except for during maintenance and inspection, and thus the overall height of the car including the car top handrail device can be made small during normal operation. Therefore, an overhead clearance in the hoistway can be made small. Furthermore, by collapsing the handrail device main body 11 in the state where the extension handrail 26 is at its contracted position, the space occupied by the car handrail device in its collapsed state can be made small.

Landscapes

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

Abstract

Cette invention porte sur une main courante placée au-dessus de la cage d'un ascenseur et comprenant une main courante déployable fixée au corps d'une unité main courante et pouvant passer d'une position rétractée à une position déployée. Lorsque la main courante déployable passe de la position rétractée à la position déployée, la portée limitée par le corps de l'unité main courante et la main courante déployable est augmentée.

Claims (5)

  1. Cabine d'ascenseur comprenant un dispositif de main courante placé sur la partie supérieure de la cabine qui est prévu sur la partie supérieure de la cabine afin d'entourer une zone de travail pour réaliser le travail d'entretien et de contrôle sur la partie supérieure de la cabine, le dispositif comprenant :
    un corps principal de dispositif de main courante (11) ; et
    une main courante d'extension (15, 21, 23, 26) raccordée au corps principal de dispositif de main courante (11), la main courante d'extension (15, 21, 23, 26) pouvant être déplacée entre une position contractée et une position déployée,
    dans laquelle une zone fermée entourée par le corps principal de dispositif de main courante (11) et la main courante d'extension (15, 21, 23, 26) peut être déployée en déplaçant la main courante d'extension (15, 21, 23, 26) de la position contractée à la position déployée, et lorsque la main courante d'extension (15, 21, 23, 26) est dans la position contractée, un espace d'installation de machine de porte (16) est situé au-dessus d'une machine de porte (7) qui est agencée pour ouvrir et fermer une porte de cabine (6) et lequel espace (16) est également situé à l'extérieur de la zone fermée et l'espace d'installation de machine de porte (16) est inclus à l'intérieur de la zone fermée en déplaçant la main courante d'extension (15, 21, 23, 26) de la position contractée à la position déployée.
  2. Cabine d'ascenseur selon la revendication 1, dans laquelle la main courante d'extension (21) est mobile pour coulisser entre la position contractée et la position déployée.
  3. Cabine d'ascenseur selon la revendication 1, dans laquelle la main courante d'extension (23) a un mécanisme de liaison parallèle et est déplaçable de la position déployée à la position contractée en pliant le mécanisme de liaison parallèle.
  4. Cabine d'ascenseur selon la revendication 1, dans laquelle la main courante d'extension (26) est déplaçable entre la position contractée et la position déployée en pouvant être oscillée autour d'un axe vertical.
  5. Cabine d'ascenseur selon la revendication 1, dans laquelle le corps principal de dispositif de main courante (11) peut être replié sur la partie supérieure de la cabine.
EP02703934A 2002-03-07 2002-03-07 Cage d'ascenseur comprenant une main courante placee la-dessus Expired - Lifetime EP1481936B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/002140 WO2003074410A1 (fr) 2002-03-07 2002-03-07 Main courante placee au-dessus de la cage d'un ascenseur

Publications (3)

Publication Number Publication Date
EP1481936A1 EP1481936A1 (fr) 2004-12-01
EP1481936A4 EP1481936A4 (fr) 2010-03-24
EP1481936B1 true EP1481936B1 (fr) 2012-02-01

Family

ID=27773241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02703934A Expired - Lifetime EP1481936B1 (fr) 2002-03-07 2002-03-07 Cage d'ascenseur comprenant une main courante placee la-dessus

Country Status (5)

Country Link
EP (1) EP1481936B1 (fr)
JP (1) JP4161072B2 (fr)
KR (1) KR100567365B1 (fr)
CN (1) CN1283543C (fr)
WO (1) WO2003074410A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4619016B2 (ja) * 2004-03-01 2011-01-26 東芝エレベータ株式会社 展望エレベータの作業台装置
KR100608308B1 (ko) * 2004-11-11 2006-08-02 대우조선해양 주식회사 플랫폼 핸드레일의 자동화 장치
KR100866193B1 (ko) * 2007-02-06 2008-10-30 미쓰비시덴키 가부시키가이샤 엘리베이터의 칸 상의 핸드레일 장치
JP2008285266A (ja) * 2007-05-16 2008-11-27 Toshiba Elevator Co Ltd エレベータかご上作業用安全装置
JP5033496B2 (ja) * 2007-06-13 2012-09-26 株式会社日立製作所 エレベータのかご上手摺り装置
CN101948067A (zh) * 2010-08-25 2011-01-19 康力电梯股份有限公司 一种可调节的轿顶护栏
KR101936010B1 (ko) * 2015-02-26 2019-01-07 미쓰비시덴키 가부시키가이샤 엘리베이터 장치
KR20180002510A (ko) * 2016-06-29 2018-01-08 오티스 엘리베이터 컴파니 엘리베이터 카의 상부를 위한 조절가능한 핸드레일 시스템 및 조절 방법
DE112017007632B4 (de) * 2017-07-12 2021-09-02 Mitsubishi Electric Corporation Aufzugsbetrieb-steuervorrichtung, aufzugsbetrieb-steuerverfahren und aufzugsbetrieb-steuerprogamm
JP6673609B2 (ja) * 2018-01-10 2020-03-25 東芝エレベータ株式会社 かご上手摺
CN111362085B (zh) 2018-12-26 2022-12-20 奥的斯电梯公司 栏杆组件、轿厢和电梯

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58138760U (ja) * 1982-03-15 1983-09-19 三菱電機株式会社 エレベ−タ据付け用作業床装置
JPH0242704Y2 (fr) * 1986-04-30 1990-11-14
JPH0649577Y2 (ja) * 1987-11-27 1994-12-14 株式会社日立ビルシステムサービス エレベータの保守運転装置
JPH01281281A (ja) * 1988-05-06 1989-11-13 Mitsubishi Electric Corp エレベーターのかご上安全さく
JPH04292386A (ja) * 1991-03-20 1992-10-16 Toshiba Corp 油圧エレベータかごの安全柵
JP2888394B2 (ja) * 1992-07-14 1999-05-10 株式会社日立ビルシステム エレベータの作業床
JPH08198549A (ja) 1995-01-23 1996-08-06 Mitsubishi Denki Bill Techno Service Kk エレベーターのかご上足場装置
US5683074A (en) * 1995-04-14 1997-11-04 Purvis; Harrison G. Temporary guardrail system
JP4245209B2 (ja) * 1998-09-03 2009-03-25 東芝エレベータ株式会社 エレべーター

Also Published As

Publication number Publication date
EP1481936A4 (fr) 2010-03-24
CN1283543C (zh) 2006-11-08
KR20040017847A (ko) 2004-02-27
CN1533357A (zh) 2004-09-29
EP1481936A1 (fr) 2004-12-01
JP4161072B2 (ja) 2008-10-08
WO2003074410A1 (fr) 2003-09-12
JPWO2003074410A1 (ja) 2005-06-23
KR100567365B1 (ko) 2006-04-03

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