Components of Hydraulic Drive

Today, I will introduce you to some relevant knowledge about components of hydraulic drive. We all know that hydraulic transmission is a hydraulic system composed of hydraulic pump, hydraulic control valve, hydraulic actuator (hydraulic cylinder and hydraulic motor, etc.) and hydraulic accessories (pipeline, accumulator, etc.). The hydraulic pump converts the mechanical energy into the pressure energy of the liquid, the hydraulic control valve and the hydraulic accessories control the pressure, flow and flow direction of the hydraulic medium, and the pressure energy output by the hydraulic pump is transmitted to the actuator, and the actuator converts the liquid pressure energy into mechanical energy to complete the required action. The standard hydraulic drive system consists of the following parts:

1. The power element, that is, the hydraulic pump, its function is to convert the mechanical energy of the prime mover into the pressure kinetic energy of the liquid (manifested as pressure and flow), and its function is to provide pressure oil for the hydraulic system and is the power source of the system.

2. Actuator, refers to the hydraulic cylinder or hydraulic motor, its function is to convert hydraulic energy into mechanical energy and do external work, the hydraulic cylinder can drive the working mechanism to achieve reciprocating linear movement (or swing), hydraulic motor can complete the rotary movement.

3. Control components, which refer to various valves that can control and adjust the pressure, flow and direction of the liquid in the hydraulic system to ensure that the actuators can work according to people's expected requirements.

4. Auxiliary components, including oil tank, oil filter, pipeline and joint, cooler, pressure gauge, etc. Their role is to provide the necessary conditions for the system to work properly and facilitate monitoring and control.

5. The working medium, that is, the transmission liquid, is usually called hydraulic oil. The hydraulic system realizes movement and power transmission through the working medium, and the hydraulic oil can also lubricate the parts that move with each other in the hydraulic components.

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