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How To Control The Hydraulic Power Unit

Sep 12, 2018

A complete hydraulic system consists of five parts, namely the power element, the actuator, the control element, the parts and the hydraulic fluid. The function of the power element is to convert the mechanical energy of the prime mover into the pressure energy of the liquid, referring to the oil pump in the hydraulic system, which provides power to the entire hydraulic system. So how is the hydraulic power unit controlled?

The hydraulic power unit can realize the adjustment of pressure, flow and direction through the hydraulic pressure of the integrated block, and then is transmitted from the external pipe to the cylinder or the motor, so as to control the rotation direction, the magnitude of the force and the speed of the hydraulic power unit, and push the hydraulic machine to do Mechanical work. The structural form of the hydraulic station is mainly distinguished according to the structure of the pump device, the position of the installation, and the form of cooling.

Control and regulate the pressure, flow and direction of the liquid in the hydraulic system. Depending on the control function, hydraulic valves can be divided into pressure control valves, flow control valves and directional control valves. The pressure control valve is further divided into a flow valve (safety valve), a pressure reducing valve, a sequence valve, a pressure relay, etc.; the flow control valve includes a throttle valve, a regulating valve, a split flow collecting valve, etc.; the directional control valve includes a one-way valve, Hydraulic control check valve, shuttle valve, reversing valve, etc. According to different control methods, hydraulic valves can be divided into switch control valves, fixed value control valves and proportional control valves. Auxiliary components include fuel tanks, oil filters, oil pipes and fittings, seals, pressure gauges, oil level oil gauges, etc. Hydraulic oil is the working medium for transferring energy in hydraulic systems. There are various types of mineral oil, emulsion and synthetic hydraulic oil. A complete hydraulic system consists of five parts, namely the power element, the actuator, the control element, the parts and the hydraulic fluid.

The hydraulic power unit is mainly used to supply energy to the actuator, mainly a hydraulic pump, and the liquid outputted by the liquid through a certain control and adjustment device (various hydraulic valves) can be used for the actuator to perform certain actions, such as a hydraulic cylinder. The telescopic or the rotation of the hydraulic motor.