The invention discloses an extra-heavy special off-road vehicle drive-by-wire air brake system which comprises an air compressor, a condenser, an air dryer, a four-loop protection valve, an automobile electric control unit, a brake valve, an air cylinder, a brake air chamber and a hand brake valve. Air inlets of the brake valve and the proportional relay valves are connected with the air storage cylinder, the brake valve and a front axle and a rear axle of a vehicle are respectively provided with a group of proportional relay valves, air pressure sensors are integrated at air outlets of the proportional relay valves, and the brake valve, the proportional relay valves and the air pressure sensors are all electrically connected with the vehicle electric control unit. A differential relay valve is arranged on a connecting air path of the hand brake valve and the brake air chamber used for parking, air inlets of the hand brake valve and the differential relay valve are both connected with an air storage cylinder, a low-air-pressure alarm switch is integrated on an air outlet of the differential relay valve, and the hand brake valve is provided with an electromagnetic valve in parallel.

    本发明公开了一种超重型特种越野车线控气压制动系统,包括空压机、冷凝器、空气干燥器、四回路保护阀、汽车电控单元、制动阀、储气筒、制动气室、手制动阀,所述制动阀与所述制动气室的连接气路上设有比例继动阀,所述制动阀和所述比例继动阀的进气口均与所述储气筒连接,所述制动阀及车辆前后轴各有一组所述比例继动阀的出气口集成有气压传感器,所述制动阀、比例继动阀及气压传感器均与所述汽车电控单元电性连接,所述手制动阀与用于驻车的所述制动气室的连接气路上设有差动继动阀,所述手制动阀与差动继动阀的进气口均与储气筒连接,所述差动继动阀的出气口集成有低气压报警开关,所述手制动阀并联安装有电磁阀。


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    Title :

    Drive-by-wire air brake system of extra-heavy special off-road vehicle


    Additional title:

    一种超重型特种越野车线控气压制动系统


    Contributors:
    LI JINPENG (author) / XIA SI (author) / LIU JIE (author) / SHI DEWEN (author) / XU ZHIZHAO (author)

    Publication date :

    2025-02-21


    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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