PROBLEM TO BE SOLVED: To provide a landing lock release device capable of preventing a landing door from opening when a car has not landed on a landing floor yet, and preventing a maintenance worker or the like from falling in a hoistway.SOLUTION: A landing lock release device 30 includes an operation rod 31 having an insertion part 31a inserted into a key insertion part provided in the periphery of a landing door, a rod storage member 32 for storing the operation rod 31 so that it can advance and retreat freely, an actuator 33 for causing the operation rod 31 to advance to and retreat from the rod storage member 32, a laser beam transmission/reception part 34 attached on the tip side of the operation rod 31 for transmitting/receiving a laser beam, and a control part 39 for controlling the actuator 33 to cause the operation rod 31 to retreat to the rod storage member 32 when it is detected in the laser beam transmission/reception part 34 that a car is not present.SELECTED DRAWING: Figure 3

    【課題】カゴが乗場に着床していない場合に乗場扉が開くことを防止でき、保守作業員等が昇降路に転落することを防止できる乗場錠解除装置を提供すること。【解決手段】乗場錠解除装置30が、乗場扉の周辺に設けられる鍵挿入部に挿入される挿入部31aを有する操作棒31と、操作棒31を進退自在に収容する棒収容部材32と、操作棒31を棒収容部材32に対し進退させるアクチュエータ33と、操作棒31の先端側に取り付けられ、レーザ光を送受信するレーザ光送受信部34と、レーザ光送受信部34においてカゴが存在しないことを検出した場合に、操作棒31を棒収容部材32に退避させるようにアクチュエータ33を制御する制御部39と、を備えるようにする。【選択図】図3


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    Title :

    LANDING LOCK RELEASE DEVICE


    Additional title:

    乗場錠解除装置


    Contributors:

    Publication date :

    2018-03-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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