A hydraulic cylinder pump, often referred to as a hydraulic power unit (HPU) or hydraulic pump unit, is a system that generates hydraulic pressure to actuate hydraulic cylinders or other hydraulic machinery. Here are key components and features of a typical hydraulic cylinder pump system:
Hydraulic Pump: The pump is the primary component responsible for generating hydraulic pressure. Hydraulic pumps can be of various types, including gear pumps, vane pumps, and piston pumps. The pump pressurizes hydraulic fluid (usually oil) to provide the force needed for hydraulic cylinder operation.
Electric Motor or Engine: The hydraulic pump is driven by an electric motor or an internal combustion engine. The source of power depends on the specific application and the availability of electrical power or an engine-driven power source.
Reservoir: The hydraulic fluid is stored in a reservoir or tank. The reservoir ensures a continuous supply of hydraulic fluid for the pump and helps dissipate heat generated during operation.
Filters: Hydraulic systems typically include filters to remove contaminants from the hydraulic fluid. Clean fluid is essential for the proper functioning and longevity of the hydraulic components.
Control Valves: Control valves are used to direct the flow of hydraulic fluid and control the speed and direction of the hydraulic cylinder. Directional control valves, pressure control valves, and flow control valves are common types used in hydraulic systems.
Pressure Relief Valve: A pressure relief valve is a safety feature that prevents the hydraulic system from exceeding its maximum pressure. It opens to release excess pressure and protects the system from damage.
Accumulator: An accumulator is a device that stores hydraulic energy in the form of pressurized fluid. It can assist in providing additional force during peak demand or compensate for fluctuations in pressure.
Pressure Gauge: A pressure gauge is used to monitor the hydraulic pressure within the system. This allows operators to ensure that the system is operating within the specified pressure limits.
Hoses and Connectors: Hydraulic hoses and connectors transmit hydraulic fluid between the pump, cylinders, and other components. They are designed to withstand high-pressure conditions and ensure a reliable connection.
Heat Exchanger: In some hydraulic systems, a heat exchanger may be used to regulate the temperature of the hydraulic fluid. This is important to prevent overheating and maintain optimal system performance.
Control Panel: In modern hydraulic systems, a control panel or interface may be present to allow operators to monitor and control various parameters, such as pressure, flow, and temperature.
Hydraulic cylinder pumps are widely used in industrial applications, construction machinery, manufacturing equipment, and various other fields where precise and powerful force control is required. The selection of a hydraulic pump system depends on the specific requirements of the application, including the force, speed, and precision needed for hydraulic cylinder operation.
| Model | Voltage (V) | Frequency (Hz) | Oil reserves (L) | Power (Kw) | Pressure (bar) | Low-flow (L/min) | High- flow (L/min) | Dimensions (mm) | weight kg |
| PEA2-20-220B | 220 | 50 | 20 | 1.3 | 700 | 9 | 1.0 | 410*340*530 |