A composite braking system comprises a pumping source, a first electromagnetic valve, a parking brake, a braking foot valve set, a second electromagnetic valve, a wheel edge brake, a shuttle valve and a control switch. A first liquid filling oil way is formed between the pump source and the parking brake through the first electromagnetic valve, a second liquid filling oil way is formed between the pump source and the wheel edge brake through the brake foot valve set, a third liquid filling oil way is connected between the oil input end and the oil output end of the brake foot valve set in a bypass mode, and the third liquid filling oil way is further connected with a second electromagnetic valve in series. The second liquid filling oil way is located at the oil liquid output end of the brake foot valve set and the input end, flowing into the wheel edge brake, of the third liquid filling oil way to form an oil way intersection, a shuttle valve is arranged in the oil way intersection, and the oil pressure of the third liquid filling oil way is larger than that of the second liquid filling oil way located at the oil liquid output end of the brake foot valve set. The control switch is used for controlling on/off of the first electromagnetic valve and on/off of the second electromagnetic valve, so that parking braking and oil pressure applied by the third liquid filling oil way synchronously achieve wheel side braking.

    一种复合制动系统,包括泵源、第一电磁阀、驻车制动器、制动脚阀组、第二电磁阀、轮边制动器、梭阀及控制开关;泵源经第一电磁阀与驻车制动器之间形成第一充液油路,泵源经制动脚阀组与轮边制动器之间形成第二充液油路,且在制动脚阀组的油液输入端与油液输出端之间旁接第三充液油路,第三充液油路还串联一第二电磁阀;第二充液油路位于制动脚阀组的油液输出端与第三充液油路流入轮边制动器的输入端形成一个油路交汇处,在油路交汇处中设置一个梭阀,且第三充液油路的油压大于第二充液油路在位于制动脚阀组的油液输出端的油压;控制开关用于控制第一电磁阀的断/通及第二电磁阀的通/断,使驻车制动和从第三充液油路施加的油压同步实现轮边制动。


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    Title :

    Engineering machinery compound braking system, vehicle and braking control method


    Additional title:

    一种工程机械复合制动系统、车辆及制动控制方法


    Contributors:

    Publication date :

    2023-01-17


    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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