Sanitation vehicle hydraulic system
A complete sanitation vehicle hydraulic system consists of five parts, namely power components, executive components, control components, auxiliary components (accessories) and hydraulic oil. Power element: The function of the power element is to convert the mechanical energy of the prime mover into liquid pressure energy, which refers to the oil pump in the hydraulic system, which provides power to the entire hydraulic system. The structure of hydraulic pumps generally includes gear pumps, vane pumps and plunger pumps.
Executive components: The role of executive components (such as hydraulic cylinders and hydraulic motors) is to convert the pressure energy of the liquid into mechanical energy, and drive the load to make linear reciprocating or rotary motion.
Control components: control components (ie various hydraulic valves) control and regulate the pressure, flow and direction of the liquid in the hydraulic system. According to different control functions, hydraulic valves can be divided into pressure control valves, flow control valves and directional control valves. Pressure control valves are further divided into overflow valves (safety valves), pressure reducing valves, sequence valves, pressure relays, etc.; flow control valves include throttle valves, regulating valves, shunting and collecting valves, etc.; directional control valves include check valves, Hydraulic control check valve, shuttle valve, reversing valve, etc. According to different control methods, hydraulic valves can be divided into on-off control valves, fixed value control valves and proportional control valves.
Auxiliary components: Auxiliary components include fuel tanks, oil filters, oil pipes and pipe joints, sealing rings, quick-change joints, high-pressure ball valves, hose assemblies, pressure measuring joints, pressure gauges, oil level gauges, oil temperature gauges, etc.
Hydraulic oil: Hydraulic oil is the working medium that transfers energy in the hydraulic system. There are various types of mineral oil, emulsion and synthetic hydraulic oil.
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