You have probably seen a hydraulic pump and been mesmerized by its ability to pump water with massive pressure. Well, here is a simple explanation of how it works. Hydraulic pumping converts electrical energy into hydraulic pressure using electric motors. The motors power the shaft which converts low-pressure liquid to high pressure.
3 Main Types of Hydraulic Pumps
- Gear pumps – This is a form of positive displacement pump. Gear pumps are used to pump high viscosity fluids like oil, paints, and foodstuffs.
- Rotary vane pumps – A rotary vane pump is a positive displacement pump with vanes mounted on a rotor that spins inside a cavity.
- Piston pumps – These are positive displacement pumps that use a piston and diaphragm to move liquids.
Applications Of Hydraulic Pumps
Hydraulic pumps are found in heavy construction, manufacturing, agricultural, and health care equipment. The pumps are used in industrial settings to enable hydraulic systems to perform their functions by converting fluid power into mechanical energy. They force hydraulic oil through systems, generating hydraulic energy through fluid power. This fluid power is transformed into mechanical energy and used to execute tasks like lifting and lowering a crane.
Hydraulic pumping creates a partial vacuum in the inlet due to mechanical action. This causes atmospheric pressure to force the fluid into the hydraulic system through the inlet.
Hydraulic Pump Maintenance
It’s advisable to take routine preventative maintenance to avoid hydraulic pump breakdowns. This includes lubricating electric motors, cleaning or changing filters, and cleaning suction strainers. Also, ensure you check and change the oil.
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