What Are the Applications of Hydraulic Pumps?

1. About the hydram pump

The hydraulic pump is the power component of the hydraulic system. It is driven by an engine or an electric motor, sucks oil from the hydraulic oil tank, forms the pressure oil and discharges it, and sends it to the actuator. Hydraulic pumps are divided into gear pumps, plunger pumps, vane pumps and screw pumps according to their structure. The working principle of the hydraulic pump is that the movement brings about a change in the volume of the pump cavity, thereby compressing the fluid so that the fluid has pressure energy. The necessary condition is that there is a change in the sealing volume of the pump cavity.

2. Application scope of hydram pump

Almost every hydraulic power transfer system uses a hydraulic pump. A hydraulic pump is a device that converts mechanical energy into hydraulic energy, which is a combination of pressure and flow. A hydraulic pump can be any device where you can input force to create pressure, thereby creating flow.

The basic hydraulic pump is a hand pump for any low power application where a prime mover is too expensive or unavailable. The hand pump can be used for auxiliary power, such as releasing hydraulic brakes on implements pulled by the tractor. Instead, hand pumps can be used as the primary hydraulic source, such as for hydraulic power tools or bench presses. Due to the low power input (most people can't get more than a tenth of a horsepower in a few seconds), hand pump application is very slow, although pressures can reach 10,000 psi or more.

Most hydraulic pumps have mechanical input from an internal combustion engine or electric motor. These prime movers rotationally input their mechanical power to the hydraulic pump. The input shaft of the pump will be connected to the gears, vanes or pistons of the hyd pump where they will rotate or reciprocate to transfer pressure (force) to the hydraulic oil. As long as the force (pressure) produced by the pump is high enough, flow occurs at a rate determined by the pump's displacement and rotational speed.

Hydraulic pumps are used in every imaginable mobile or industrial hydraulic machine. Hydraulic pumps are used in excavators, cranes, loaders, tractors, vacuum trucks, forestry equipment, motor graders, dump trucks, mining machinery and more. Mobile applications use hydraulic pumps more than industrial machines because electric actuators are generally not used in mobile machinery.

Hydraulic pumps are still widely used in industrial settings. Injection molding machines, presses (shearing, punching or bending, etc.), material handling, elevators, conveyors, mixers, forklifts, pallet trucks, foundries, steel mills, slitters, etc. The more severe the application, the more likely it is to be driven through the hydraulic pump.