PROBLEM TO BE SOLVED: To provide a steering system for a ship that can quickly steer a wheel with a simple constitution.SOLUTION: When steering a wheel from a state of increased hydraulic pressure of a first oil passage 51, a hydraulic pump 2 is driven in the inverse direction to increase the hydraulic pressure between a hydraulic pump 2 of a second oil passage 52 and a second switching valve 32 of a service interruption state. This causes a pilot pressure to act on a first pilot check valve 21 with hydraulic fluid from a second pilot branch oil passage 54, making the hydraulic pressure of the first oil passage 51 quickly reduce. The second switching valve 32 opens in response to the reduction in the hydraulic pressure of the first oil passage 51, and the hydraulic pressure of the second oil passage 52 increases to overcome the hydraulic pressure of the first oil passage 51. Thus, a rudder can be quickly switched to the left or the right. That is, loss of pressure propagation due to formation of the first oil passage 51 and the second oil passage 52 over a long distance can be reduced.SELECTED DRAWING: Figure 2

    【課題】船舶用の操舵システムにおいて、簡素な構成で、迅速に転舵を行えるようにする。【解決手段】第1油路51の油圧が上昇している状態から転舵する場合、油圧ポンプ2を逆向きに駆動して、第2油路52の油圧ポンプ2と不通状態の第2切換バルブ32との間の油圧を上昇させると、第2パイロット分岐油路54からの作動油により第1パイロットチェックバルブ21にパイロット圧力が作用して、第1油路51の油圧が迅速に低減する。第1油路51の油圧が低下するのに伴い、第2切換バルブ32が連通状態となり、第2油路52の油圧が上昇して、第2油路52の油圧が第1油路51の油圧に打ち勝つ。これにより、舵を迅速に左又は右に切り換えることができる。即ち、第1油路51及び第2油路52が長い距離にわたって形成されていることによる圧力伝搬のロスを低減することができる。【選択図】図2


    Access

    Download


    Export, share and cite



    Title :

    HYDRAULIC PRESSURE ADJUSTMENT ATTACHMENT AND STEERING SYSTEM FOR SHIP


    Additional title:

    油圧調整アタッチメント及び船舶用の操舵システム


    Contributors:

    Publication date :

    2017-10-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



    HYDRAULIC PRESSURE STEERING DEVICE AND SHIP

    DOBASHI SHUJI | European Patent Office | 2017

    Free access

    Hydraulic Steering System for Small Ship

    LEE MOONHEE | European Patent Office | 2022

    Free access

    Hydraulic Steering System for Small Ship

    European Patent Office | 2022

    Free access

    Novel ship hydraulic steering engine

    KANG SHUANGQI | European Patent Office | 2021

    Free access

    HYDRAULIC STEERING DEVICE, AND SHIP

    DOBASHI SHUJI | European Patent Office | 2017

    Free access