PROBLEM TO BE SOLVED: To realize a railroad crossing gate which can easily adjust both of a counter action distance and a counter action direction by modification of a swing arm member which is engaged with one end of a counter balance member.SOLUTION: A swing arm member, which extends in a radial direction from a rotary shaft 13 for lifting a gate rod 5 is divided into two members 21, 23. Further, bending angles of both swing arm members 21, 23 are so made as to be capable of being adjusted from an acute angle to an obtuse angle in a changeover state of a coupling shaft member 22 of an inter-arm engaging part. An effective length (L2) of the second swing arm member which is a distance from an engaging part 24 between the second swing arm member 23 and the counter balance member 25 to an inter-arm engaging part 22 is so made as to be longer an effective length (L1) of the first swing arm member which is a distance from a center of the rotary shaft 13 to a center of the inter-arm engaging part 22.SELECTED DRAWING: Figure 1

    【課題】カウンタバランス部材の一端部と係合する揺動アーム部材を改造することでカウンタ作用距離もカウンタ作用方向も簡便に調整することができる踏切しゃ断機を実現。【解決手段】しゃ断桿5を昇降させる回転軸13から径方向に延びる揺動アーム部材を2部材21,23に分け、更にそのアーム間係合部の連結軸部材22の状態切替にて両揺動アーム部材21,23の曲折角度を鋭角から鈍角まで調整可能とし、第2揺動アーム部材23とカウンタバランス部材25との係合部24からアーム間係合部22までの距離である第2揺動アーム部材実効長(L2)を、回転軸13の中心からアーム間係合部22の中心までの距離である第1揺動アーム部材実効長(L1)よりも、長くする。【選択図】 図1


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    Title :

    RAILROAD CROSSING GATE


    Additional title:

    踏切しゃ断機


    Contributors:

    Publication date :

    2018-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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