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新闻动态
将原动机的机械能转换成液体的压力能
动力元件的作用是将原动机的机械能转换成液体的压力能,指液压系统中的油泵,它向整个液压系统提供动力。液压泵的结构形式一般有齿轮泵、叶片泵和柱塞泵。
The function of the power element is to convert the mechanical energy of the prime mover into the pressure energy of the liquid. It refers to the oil pump in the hydraulic system, which supplies power to the whole hydraulic system. The structure of hydraulic pump generally includes gear pump, vane pump and plunger pump.
执行元件(如液压缸和液压马达)的作用是将液体的压力能转换为机械能,驱动负载作直线往复运动或回转运动。
The function of actuator (such as hydraulic cylinder and hydraulic motor) is to convert the pressure energy of liquid into mechanical energy, and drive the load to make linear reciprocating motion or rotary motion.
控制元件(即各种液压阀)在液压系统中控制和调节液体的压力、流量和方向。根据控制功能的不同,液压阀可分为压力控制阀、流量控制阀和方向控制阀。压力控制阀又分为益流阀(安全阀)、减压阀、顺序阀、压力继电器等;流量控制阀包括节流阀、调整阀、分流集流阀等;方向控制阀包括单向阀、液控单向阀、梭阀、换向阀等。根据控制方式不同,液压阀可分为开关式控制阀、定值控制阀和比例控制阀。
The control elements (i.e. various hydraulic valves) control and adjust the pressure, flow and direction of the liquid in the hydraulic system. According to the different control functions, the hydraulic valve can be divided into pressure control valve, flow control valve and direction control valve. The pressure control valve is divided into the beneficial flow valve (safety valve), pressure reducing valve, sequence valve, pressure relay, etc.; the flow control valve includes throttle valve, regulating valve, diverting and collecting valve, etc.; the direction control valve includes one-way valve, hydraulic control one-way valve, shuttle valve, reversing valve, etc. According to different control modes, hydraulic valves can be divided into switch type control valve, constant value control valve and proportional control valve.

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