PROBLEM TO BE SOLVED: To provide an underwater door opening/closing device which securely closes an end part of a thruster tunnel and prevents an actuator from being exposed to sea water.SOLUTION: An underwater door opening/closing device 200 includes: a first closing door 40L and a second closing door 40R which open and close an end surface 81 of a thruster tunnel 80 and have a semicircle shape; a first hinge pin 48L and a second hinge pin 48R which are respectively fixed to the first closing door 40L and the second closing door 40R and rotatably supported by a first hinge pin bearing 31L and a second hinge pin bearing 31R which are provided at a connection frame 30; a first actuator 50L where one end is connected to a first hinge pin arm 49L fixed to the first hinge pin 48L and the other end is installed at an actuator installation part 32; and a second actuator 50R where one end is connected to a second hinge pin arm 49R fixed to the second hinge pin 48R and the other end is installed at the actuator installation part 32.

    【課題】スラスタトンネルの端部を確実に閉鎖し、アクチュエータが海水に晒されないようにする水中扉開閉装置を提供する。【解決手段】水中扉開閉装置200は、スラスタトンネル80の端面81を開閉する半円形の第1開閉扉40Lおよび第2開閉扉40Rと、第1開閉扉40Lおよび第2開閉扉40Rにそれぞれ固定され、連結フレーム30に設けられた第1ヒンジピン軸受け31Lおよび第2ヒンジピン軸受け31Rに回転自在に支持された第1ヒンジピン48Lおよび第2ヒンジピン48Rと、第1ヒンジピン48Lに固定された第1ヒンジピンアーム49Lに一端が連結され、他端がアクチュエータ設置部32に設置された第1アクチュエータ50Lと、第2ヒンジピン48Rに固定された第2ヒンジピンアーム49Rに一端が連結され、他端がアクチュエータ設置部32に設置された第2アクチュエータ50Rと、を有する。【選択図】図6


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    Title :

    UNDERWATER DOOR OPENING/CLOSING DEVICE AND SHIP INCLUDING THE SAME


    Additional title:

    水中扉開閉装置およびこれを有する船舶


    Contributors:

    Publication date :

    2015-09-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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