A low-constant-speed walking system of a rail transit vehicle comprises a walking part, a hydraulic motor, a motor valve group, a two-position six-way electromagnetic directional valve, a speed regulation control valve and a walking hydraulic system which is composed of a hydraulic oil source for supplying oil to the hydraulic motor and serves as a second power source for driving the walking part, and a first power source for driving the walking part through other power of the vehicle. The second power source is connected with the first power source in parallel and acts on the axle gear box together with the first power source to drive the walking part to enable the vehicle to walk. A hydraulic motor of the walking hydraulic system is installed on a switching input port of an axle gear box, and the axle gear box has a clutch function connected with the hydraulic motor. The walking system has the advantages that the speed maintaining stability is good, the speed difference between the low speed gear and the extremely low speed gear is large, and linear adjustment can be kept in the wide speed change amplitude.

    一种轨道交通车辆低恒速走行系统,包括走行部、液压马达、马达阀组、两位六通电磁换向阀、调速控制阀以及给液压马达供油的液压油源组成的走行液压系统作为驱动走行部的第二动力源,另外有车辆其他动力驱动走行部的第一动力源,第二动力源与第一动力源并联,与第一动力源共同作用于车轴齿轮箱用于驱动走行部使车辆走行。走行液压系统的液压马达安装在车轴齿轮箱的转接输入口上,车轴齿轮箱具有与液压马达连接的离合功能。本发明的走行系统具有维持速度稳定性好,低速和极低速两挡之间的速度差异大,能在宽速度变化幅度中保持线性调节特点。


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    Titel :

    Rail transit vehicle low-constant-speed running system


    Weitere Titelangaben:

    一种轨道交通车辆低恒速走行系统


    Beteiligte:
    YANG YUN (Autor:in) / LIU XING (Autor:in) / FANG RENJIE (Autor:in) / YAN JIASHENG (Autor:in) / HE BOHONG (Autor:in) / HONG JUNFENG (Autor:in) / CHEN YONGHENG (Autor:in) / HUANG SHEN (Autor:in) / YANG XIAOYAN (Autor:in)

    Erscheinungsdatum :

    27.09.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B61C Lokomotiven , LOCOMOTIVES / F16H Getriebe , GEARING



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