PROBLEM TO BE SOLVED: To eliminate the need for a driving device by functioning as a semi-active damper for full-active control fail by using a minimum number of components required, and by reducing consumption power and heat generation of a motor for full-active control.SOLUTION: A vibration control dumper 5 for a railroad vehicle comprises: a cylinder 10 in which a passage is formed in a piston 15 integrated with a piston rod 12 and hydraulic oil flows from a head-side chamber 13 to a rod-side chamber 14; an oil tank 18 connected to the head-side chamber; and a hydraulic circuit 20 which can switch between on-load control and unload control according to cylinder expansion/contraction. In the hydraulic circuit, a passive circuit 33 is disposed, which has a low-pressure relief valve on a second passage 34 that branches from a first passage 21 to the oil tank. On a third passage 44 for supplying hydraulic oil from the oil tank to the first passage and the second passage, a hydraulic pump 41 is disposed which can torque-control a driving motor 42. Thereby, switching between full-active control and semi-active control can be achieved.

    【課題】必要最小限の部品点数で、フルアクティブ制御フェール時にはセミアクティブダンパとして機能でき、フルアクティブ制御用のモータの消費電力や発熱を低減し、ドライブ装置を不用にできること。【解決手段】ピストンロッド12と一体のピストン15に流路が形成され、ヘッド側室13からロッド側室14へ作動油が流れるシリンダ10と、ヘッド側室に接続されたオイルタンク18と、シリンダ伸縮に伴ってオンロード制御およびアンロード制御の切換可能な油圧回路20とを有する鉄道車両の制振用ダンパ5である。油圧回路には、第1流路21からオイルタンクへ分岐する第2流路34上に低圧リリーフ弁を有するパッシブ回路33を配置し、オイルタンクからの作動油を第1流路及び第2流路へ供給する第3流路44上に駆動モータ42のトルク制御が可能な油圧ポンプ41を配置して、フルアクティブ制御とセミアクティブ制御とを切換可能とした。【選択図】図2


    Access

    Download


    Export, share and cite



    Title :

    VIBRATION CONTROL DUMPER FOR RAILWAY VEHICLE


    Additional title:

    鉄道車両の制振用ダンパ


    Contributors:

    Publication date :

    2015-08-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES / F16F SPRINGS , Federn



    Railway side dumper

    XIE ZHIYONG / LING BIN / ZOU FENG | European Patent Office | 2020

    Free access

    Dumper Vehicle

    RATCLIFFE SIMON J / STREAT CHRISTOPHER J | European Patent Office | 2018

    Free access

    A dumper vehicle

    SIMON J RATCLIFFE / CHRISTOPHER J STREAT | European Patent Office | 2018

    Free access

    ELECTRIC DUMPER VEHICLE

    YOUNG PAUL SAMUEL FLEMING / BYRNE FRANCIS ANTHONY / MURPHY ALEXANDER PHILIP et al. | European Patent Office | 2019

    Free access

    Dumper vehicle

    RATCLIFFE SIMON J / STREAT CHRISTOPHER J / BRINDLE RICHARD J | European Patent Office | 2021

    Free access