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一、绪言1—1、油压回路的原理近年来,随着各种机械装置的自动化、机械化和大型化,油压回路被广泛地应用了。如第1.1图所示,油压回路是借助油泵将机械动力转变成油压能,而压力油由管路输入油压执行元件(油压马达或油缸),于是油压能又转变成机械动力,推动着负载。以这种油压为媒介传递动力时,压力油的流动通过阀门控制,因而,负载的运动可自由地控制。所以,油压回路非常适
First, the introduction 1-1, the principle of hydraulic circuit In recent years, with a variety of mechanical devices automation, mechanization and large-scale, hydraulic circuit is widely used. As shown in Fig. 1.1, the hydraulic circuit converts the mechanical power into hydraulic energy by means of an oil pump, and the hydraulic fluid is input into the hydraulic actuator (hydraulic motor or cylinder) through the pipeline, so that the hydraulic energy can be converted into mechanical power , To promote the load. When hydraulic power is transmitted through this hydraulic medium, the flow of pressure oil is controlled by the valve so that the movement of the load is freely controlled. Therefore, the hydraulic circuit is very suitable