The invention provides a winch speed hydraulic control system which comprises a first cartridge valve and a second cartridge valve, an A port of the first cartridge valve is connected with a first oil return port of an oil tank, a B port of the first cartridge valve is connected with a second port of a motor, an A port of the second cartridge valve is connected with a second oil return port of the oil tank, and a B end of the second cartridge valve is connected with a second port of the motor. A first port of the motor is connected with a first oil outlet and a second oil outlet of the oil tank, the first oil outlet is further connected with the control end of the second cartridge valve, and the second oil outlet is further connected with the control end of the first cartridge valve. A first oil outlet of the oil tank is connected with the control end of the second cartridge valve, and a second oil outlet is connected with the control end of the first cartridge valve; the first oil return opening is further connected with the control end of the second cartridge valve, and the second oil return opening is further connected with the control end of the first cartridge valve. The oil way is simple in structure, and the speed of the motor can be adjusted only through a simple control valve.
本发明提供一种绞车的速度液压控制系统,包括第一插装阀和第二插装阀,所述第一插装阀的A口连接油箱的第一回油口,第一插装阀的B口连接马达的第二端口,第二插装阀的A口连接油箱的第二回油口,第二插装阀的B端连接马达的第二端口;马达的第一端口连接油箱的第一出油口和第二出油口,第一出油口还与第二插装阀的控制端连接,第二出油口还与第一插装阀的控制端连接;油箱的第一出油口连接第二插装阀的控制端,第二出油口连接第一插装阀的控制端;第一回油口还与第二插装阀的控制端连接,第二回油口还与第一插装阀的控制端连接;上述的油路结构简单,只需要简单的控制阀即可实现对马达的速度调节。
Hydraulic speed control system of winch
一种绞车的速度液压控制系统
2024-12-13
Patent
Electronic Resource
Chinese
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