To provide an expansion actuator for a communication bridge capable of efficiently transporting personnel and others between one side and the other that are alienated from each other.SOLUTION: In an expansion actuator 30 for a liaison bridge 1 for connecting a stage 10 on one side and a liaison object 7 on the other side which is alienated from the stage 10: the liaison bridge 1 has a base end bridge body 21 attached to the stage 10 and a bridge body 20 having movable bridge bodies 22,23 which freely extend and retract with respect to the base end bridge body 21; and the expansion actuator 30 is a telescope-shaped expansion cylinder having an expansion cylinder tube 31 and a plurality of piston rods 32,33,34 disposed in a concentric manner inside the expansion cylinder tube 31, the movable bridge bodies 22,23 performing extension and retraction action by means of the expansion actuator 30 driven by liquid pressure.SELECTED DRAWING: Figure 5

    【課題】離間している一側と他側との間で人員などを効率良く輸送できる連絡ブリッジ用の伸縮アクチュエータを提供する。【解決手段】一側のステージ10と、ステージ10から離間している他側の連絡対象物7とをつなぐ連絡ブリッジ1用の伸縮アクチュエータ30であって、連絡ブリッジ1は、ステージ10に取り付けられた基端ブリッジ体21と、基端ブリッジ体21に対して伸縮自在の可動ブリッジ体22,23とを備えるブリッジ体20を備え、伸縮アクチュエータ30は、伸縮シリンダチューブ31と、伸縮シリンダチューブ31の内部に同心状に設けられた複数のピストンロッド32,33,34とを備えるテレスコ形の伸縮シリンダであり、可動ブリッジ体22,23は、液圧で駆動される伸縮アクチュエータ30によって、伸縮動作を行う。【選択図】図5


    Access

    Download


    Export, share and cite



    Title :

    EXPANSION ACTUATOR FOR LIAISON BRIDGE


    Additional title:

    連絡ブリッジ用の伸縮アクチュエータ


    Contributors:

    Publication date :

    2021-04-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E01D BRIDGES , Brücken / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



    HORIZONTAL ROTATION ACTUATOR FOR LIAISON BRIDGE

    MURATA KOHEI | European Patent Office | 2021

    Free access

    LIAISON BRIDGE

    MURATA KOHEI | European Patent Office | 2021

    Free access

    Lockere Liaison

    Katzensteiner, Thomas / Ruess, Annette | Tema Archive | 2006