The invention relates to the technical field of automobile engineering, in particular to a parking brake device which comprises a pump station, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder, a hydraulic cylinder and a hydraulic cylinder, and the pump station is used for storing and conveying brake fluid; the pump station is connected with the parking braking oil cylinder through a liquid conveying pipeline and a backflow pipeline; and the valve group is connected between the pump station and the parking brake oil cylinder and is used for adjusting the conveying of the brake fluid between the pump station and the parking brake oil cylinder. According to the technical scheme, the parking braking requirement can be met, and abnormal braking of parking braking in the driving process can be avoided.

    本申请涉及汽车工程技术领域,具体而言,涉及一种驻车制动装置,所述装置包括:泵站,所述泵站用于储存和输送制动液;驻车制动油缸,所述泵站和所述驻车制动油缸通过输液管路和回流管路连接;阀门组,所述阀门组连接于所述泵站和所述驻车制动油缸之间,用于调整所述制动液在所述泵站和所述驻车制动油缸之间的输送。本申请提供的技术方案既能满足驻车制动要求,还能避免在行驶过程中驻车制动发生异常制动。


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    Title :

    Parking braking device


    Additional title:

    一种驻车制动装置


    Contributors:
    LIU JIE (author) / FENG WEI (author) / WANG DAWEI (author) / LI JINPENG (author) / ZENG QIFENG (author)

    Publication date :

    2023-03-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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