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1.气顶油行车制动系统目前压路机、装载机、平地机等工程机械大都采用气顶油行车制动系统。该系统主要由发动机1、空压机2、安全阀3、油水分离器4、储气筒5、脚踏制动阀6、气顶油加力泵7、制动钳8组成,如图1所示。储气筒5上安装有安全阀3,当储气简5储气压力达到安全阀3设定压力值后,安全阀3向外排气,以保持设定压力值。制动时,压缩空气从储气筒5经脚踏制动阀6到达气顶油加力泵7。
1. Gas capping system Brake system At present, most construction machinery such as road rollers, loaders, and graders use gas top oil service brake systems. The system is mainly composed of an engine 1, an air compressor 2, a safety valve 3, an oil-water separator 4, an air reservoir 5, a foot brake valve 6, an air cap oil afterburner pump 7, and a caliper 8, as shown in FIG. Show. A safety valve 3 is installed on the air reservoir 5, and when the stored air pressure of the air reservoir 5 reaches the set pressure value of the safety valve 3, the safety valve 3 is exhausted outward to maintain the set pressure value. During braking, the compressed air reaches from the air reservoir 5 via the foot brake valve 6 to the air capping oil booster pump 7 .