HK1137977A1 - Safety device for elevator maintenance - Google Patents

Safety device for elevator maintenance

Info

Publication number
HK1137977A1
HK1137977A1 HK10104058.9A HK10104058A HK1137977A1 HK 1137977 A1 HK1137977 A1 HK 1137977A1 HK 10104058 A HK10104058 A HK 10104058A HK 1137977 A1 HK1137977 A1 HK 1137977A1
Authority
HK
Hong Kong
Prior art keywords
elevator
counterweight
safety device
maintenance
elevator car
Prior art date
Application number
HK10104058.9A
Inventor
Tomofumi Hagiya
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of HK1137977A1 publication Critical patent/HK1137977A1/en

Links

Landscapes

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

Abstract

A safety device for the maintenance of elevator is provided to improve the safety of workers in the elevating channel and have convenient setting and design and high-precision predication of whether to hit the elevator car or counterweight or not. To achieve the goal, the invention provides a safety device for the maintenance of elevator, wherein the elevator comprises an elevator car moving up and down in the lifting channel, a counterweight, a sling, a winch, a guide rail and a non-contact sensor on the inner wall of the elevating channel or guide rail to detect that whether at least one ofthe elevator car, counterweight and operator is in the area where the elevator car or counterweight will hit with the operator high possibly in a non-contact way, when the operator is in the elevating channel for maintenance.
HK10104058.9A 2008-07-15 2010-04-26 Safety device for elevator maintenance HK1137977A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008183343A JP5081751B2 (en) 2008-07-15 2008-07-15 Elevator maintenance safety device

Publications (1)

Publication Number Publication Date
HK1137977A1 true HK1137977A1 (en) 2010-08-13

Family

ID=41573989

Family Applications (1)

Application Number Title Priority Date Filing Date
HK10104058.9A HK1137977A1 (en) 2008-07-15 2010-04-26 Safety device for elevator maintenance

Country Status (3)

Country Link
JP (1) JP5081751B2 (en)
CN (1) CN101628676B (en)
HK (1) HK1137977A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101941622A (en) * 2010-08-23 2011-01-12 苏州巨立电梯有限公司 Intelligent guardrail positioned on car top of elevator
JP5805499B2 (en) * 2011-11-02 2015-11-04 株式会社日立製作所 Elevator equipment
JP2013170033A (en) * 2012-02-20 2013-09-02 Toshiba Elevator Co Ltd Work safety apparatus of elevator
JP5743346B2 (en) * 2013-08-08 2015-07-01 東芝エレベータ株式会社 ELEVATOR SYSTEM, ELEVATOR CONTROL DEVICE USED FOR SAME, AND ELEVATOR CONTROL METHOD
CN103787165A (en) * 2014-02-26 2014-05-14 陈栋栋 Landing door locking device used for elevator maintenance
KR101914891B1 (en) * 2014-12-22 2018-11-02 미쓰비시덴키 가부시키가이샤 Elevator device
CN105366467A (en) * 2015-11-02 2016-03-02 康力电梯股份有限公司 Movable stopping device of lift
EP3263502A1 (en) * 2016-06-29 2018-01-03 Inventio AG Lift facility and method for operating a lift facility
EP3372544B1 (en) * 2017-03-09 2021-02-24 Otis Elevator Company Moveable maintenance assemblies for elevators
EP3418237A1 (en) 2017-06-22 2018-12-26 Inventio AG Elevator arrangement with a safety monitoring device comprising a 2d-sensor for contactless supervising a supervision plane
EP3424858B1 (en) 2017-07-03 2020-04-01 Otis Elevator Company Elevator maintenance space projection systems
US10983210B2 (en) * 2017-09-25 2021-04-20 Otis Elevator Company Elevator sensor array system
JP6777892B2 (en) * 2018-03-26 2020-10-28 フジテック株式会社 Elevators and guidance devices
JP2020007078A (en) * 2018-07-05 2020-01-16 東芝エレベータ株式会社 Notification apparatus and notification method
CN111302183A (en) * 2020-04-01 2020-06-19 张明 Elevator without pit
CN116620981B (en) * 2023-05-30 2023-10-24 浙江丹森智能家居科技有限公司 Anti-falling protection device for overhauling villa elevator

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2867828B2 (en) * 1993-02-18 1999-03-10 三菱電機株式会社 Safety device for elevator maintenance work
JPH07237838A (en) * 1994-02-24 1995-09-12 Mitsubishi Denki Bill Techno Service Kk Proximity warning device for elevator weight
JP3396143B2 (en) * 1997-01-08 2003-04-14 株式会社日立製作所 Passenger detection system for elevators
JPH11130355A (en) * 1997-10-31 1999-05-18 Hitachi Building Systems Co Ltd Controller for elevator
JPH11335018A (en) * 1998-05-26 1999-12-07 Toshiba Elevator Co Ltd Elevator
JP2002003114A (en) * 2000-06-16 2002-01-09 Mitsubishi Electric Building Techno Service Co Ltd Maintenance and inspection device of elevator
CN1315712C (en) * 2001-08-27 2007-05-16 奥蒂斯电梯公司 Safety apparatus for maintenance of elevator systems from top of the car
JP2005096891A (en) * 2003-09-22 2005-04-14 Toshiba Elevator Co Ltd Safety device on elevator car
JP4641802B2 (en) * 2005-01-06 2011-03-02 三菱電機株式会社 Elevator door passenger detection device

Also Published As

Publication number Publication date
CN101628676A (en) 2010-01-20
CN101628676B (en) 2013-06-19
JP2010023929A (en) 2010-02-04
JP5081751B2 (en) 2012-11-28

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20170616