JPS5467941A - Counterweight for elevator - Google Patents

Counterweight for elevator

Info

Publication number
JPS5467941A
JPS5467941A JP13397777A JP13397777A JPS5467941A JP S5467941 A JPS5467941 A JP S5467941A JP 13397777 A JP13397777 A JP 13397777A JP 13397777 A JP13397777 A JP 13397777A JP S5467941 A JPS5467941 A JP S5467941A
Authority
JP
Japan
Prior art keywords
counterweight
elevator
gondola
energized
guide rails
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.)
Pending
Application number
JP13397777A
Other languages
Japanese (ja)
Inventor
Takatoshi Yamagami
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
Priority to JP13397777A priority Critical patent/JPS5467941A/en
Publication of JPS5467941A publication Critical patent/JPS5467941A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B17/00—Hoistway equipment
    • B66B17/12—Counterpoises

Landscapes

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

Abstract

PURPOSE: To prevent accidents due to earthquake, by detecting the derailment of a counterweight through detectors located near the path of the counterweight and controlling the elevator.
CONSTITUTION: The counterweight 4 is engaged with guide rails 3 so that the counterweight is moved vertically. The detectors 6 having antennae 6a are located at both the sides of the guide rails 3. When the counterweight derails and displaces the antanna 6a, an abnormality alarm is energized to inform the derailement to an elevator control room. Then, a control unit operates to stop the gondola 5. Moreover, an emergency operation unit is energized to move the gondola 5 in a safe direction and then open the door.
COPYRIGHT: (C)1979,JPO&Japio
JP13397777A 1977-11-08 1977-11-08 Counterweight for elevator Pending JPS5467941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13397777A JPS5467941A (en) 1977-11-08 1977-11-08 Counterweight for elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13397777A JPS5467941A (en) 1977-11-08 1977-11-08 Counterweight for elevator

Publications (1)

Publication Number Publication Date
JPS5467941A true JPS5467941A (en) 1979-05-31

Family

ID=15117490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13397777A Pending JPS5467941A (en) 1977-11-08 1977-11-08 Counterweight for elevator

Country Status (1)

Country Link
JP (1) JPS5467941A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015125264A1 (en) * 2014-02-21 2015-08-27 株式会社日立製作所 Derailment detection device for elevator
EP4053061A1 (en) * 2021-03-05 2022-09-07 Otis Elevator Company Counterweight monitoring device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015125264A1 (en) * 2014-02-21 2015-08-27 株式会社日立製作所 Derailment detection device for elevator
EP4053061A1 (en) * 2021-03-05 2022-09-07 Otis Elevator Company Counterweight monitoring device
CN115028035A (en) * 2021-03-05 2022-09-09 奥的斯电梯公司 Counter weight monitoring devices

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