The invention discloses a service brake system for a wheel loader. The system comprises an air compressor, an unloading valve, an air cylinder and a safety valve. The air compressor is connected withthe air cylinder through the unloading valve; the safety valve is arranged on the air cylinder and is used for limiting the highest pressure of the system. The service brake system is characterized byfurther comprising an air brake valve, a relay valve, a brake air chamber and a brake, an outlet of the air cylinder is connected with an air inlet of the air brake valve and an air inlet of the relay valve, an air outlet of the air brake valve is connected with a control air pressure input port of the relay valve, and an air outlet of the relay valve is connected with the brake through the brakeair chamber. The system cancels the brake fluid to thoroughly solve a gasification problem of the brake fluid and improve the safety of the service brake system. The relay valve is used in the system, the position is reasonably arranged, the inflation time of a brake air chamber is shortened, the brake lag time is shortened, and brake is more sensitive.
本发明公开了一种用于轮式装载机的行车制动系统,包括空气压缩机、卸荷阀、储气筒和安全阀,所述空气压缩机通过卸荷阀与储气筒连接,所述安全阀设在储气筒上用于限制系统的最高压力,其特征在于:还包括气制动阀、继动阀、制动气室和制动器,所述储气筒的出口分别连接气制动阀的进气口和继动阀的进气口,气制动阀的出气口连接继动阀的控制气压输入口,继动阀的出气口通过制动气室与制动器连接。本发明系统取消制动液,彻底避免制动液气化问题,提高行车制动系统的安全性。在系统中使用继动阀,并合理布置位置,缩短制动气室的充气时间,缩小了制动滞后时间,使得制动更加灵敏。
Service brake system for wheel loader
一种用于轮式装载机的行车制动系统
2020-10-20
Patent
Elektronische Ressource
Chinesisch
WHEEL LOADER, METHOD FOR CONTROLLING WHEEL LOADER, AND SYSTEM FOR CONTROLLING WHEEL LOADER
Europäisches Patentamt | 2019
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