To provide a braking device for track travel type machine which prevents pressing operation of a brake pad to a rail at the ending of an operation caused by accumulation pressure of a fluid pressure unit, and which can avoid damage on a foundation of a track.SOLUTION: A braking device for track travel type machine includes: a travel device in which a travel wheel which freely rolls along a rail 4 is disposed; a fluid pressure cylinder 13 capable of pressing/detaching the brake pad 12 in the direction orthogonal to the rail 4 with respect to a travel wheel rolling surface 4a of the rail 4; a fluid pressure unit 14 which, at a normal operation, operates the fluid cylinder 13 by introducing a working fluid to the fluid pressure cylinder 13, and accumulates pressure, and on the other hand, at least during power outage time, guides the accumulated working fluid to the fluid pressure cylinder 13 and presses the brake pad 12 against the travel wheel rolling surface 4a of the rail 4; an accumulation pressure opening mechanism 60 which opens the working fluid accumulated in the fluid pressure unit 14 at the end of the operation.SELECTED DRAWING: Figure 3

    【課題】流体圧ユニットの蓄圧に起因する運転終了時におけるブレーキパッドのレールへの押付作動を防いで、走行路の基礎の損傷を回避し得る軌道走行式機械の制動装置を提供する。【解決手段】レール4に沿って転動自在な走行車輪が配設された走行装置と、レール4の走行車輪転動面4aに対しレール4と直交する方向へブレーキパッド12を押付・離反自在な流体圧シリンダ13と、通常運転時には、流体圧シリンダ13へ作動流体を導入することにより流体圧シリンダ13を作動させつつ蓄圧する一方、少なくとも停電時には、蓄圧した作動流体を流体圧シリンダ13へ導いてブレーキパッド12をレール4の走行車輪転動面4aに押し付ける流体圧ユニット14と、流体圧ユニット14に蓄圧された作動流体を運転終了時に開放する蓄圧開放機構60とを備える。【選択図】図3


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    Titel :

    BRAKING DEVICE FOR TRACK TRAVEL TYPE MACHINE


    Weitere Titelangaben:

    軌道走行式機械の制動装置


    Beteiligte:
    ISHINO TAIZO (Autor:in) / GOMIKAWA YOSUKE (Autor:in)

    Erscheinungsdatum :

    21.11.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B66C Krane , CRANES / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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