液压系统中卸荷回路的功能是在液压泵驱动电动机不频繁启闭的情况下,使液压泵在功率损耗接近于零的情况下运转,以减少功率损耗,降低系统发热,延长泵和电机的寿命。主要介绍了不同类型的液压卸荷回路的性能特点。%The function of discharge circuits in the hydraulic systems is make the hydraulic pump power loss in close to zero cases operation when the hydraulic pump drive motor don＇t opening and closing frequent.The purpose is to reduce power consumption,lower system fever and extend the life of the pump and motor.This paper mainly introduces the performance characteristics of the different hydraulic discharge circuits.
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