To provide a tank oil drainage device for a hydraulic elevator that makes it easy and fast to check and replace a packing material installed at the bottom of the tank.SOLUTION: A tank oil drainage device 70 for checking and replacing a packing material disposed around an oil supply pipe connected to the bottom of the tank that stores hydraulic oil used to operate a hydraulic elevator includes a cylindrical partition member 72 that is pressed against the bottom around the perimeter of the oil supply pipe, and a pressing mechanism 74 that presses the partition member 72 against the bottom so that the hydraulic oil in the area above the oil supply pipe connected to the bottom is partitioned from the hydraulic oil in other areas of the tank.SELECTED DRAWING: Figure 4

    【課題】タンク底部に設置したパッキン部材の確認及び交換を行う作業を容易かつ短時間で行うことを可能にする油圧式エレベーターのタンク油抜取り用器具を提供する。【解決手段】油圧式エレベーターを作動させる作動油を収容するタンクの底部に連結された給油配管の周囲に配置されたパッキン部材を確認又は交換するためのタンク油抜取り用器具70は、底部に連結された給油配管の上方領域にある作動油をタンク内の他の領域にある作動油から区画するように、給油配管の周囲において底部に圧接される筒状の区画部材72と、区画部材72を底部に押し付ける押し付け機構74とを備える。【選択図】図4


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    Title :

    TANK OIL DRAINAGE DEVICE FOR HYDRAULIC ELEVATOR


    Additional title:

    油圧式エレベーターのタンク油抜取り用器具


    Contributors:

    Publication date :

    2020-08-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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