What is a hydraulic power unit

The hydraulic power unit (HPU) is used as an oil supply device, which is connected to several hydraulic cylinders through an external pipeline system to control the actions of multiple sets of valves.

The fuel tank, fuel pump and fan energy device form an independent closed power oil source system. The oil station can be equipped with a PLC control system, which controls all internal hydraulic functions and generates signals and controls the oil tank, oil pump and fan energy device to form an independent closed power oil source system. The oil station can be equipped with a PLC control system, which controls all internal hydraulic functions and generates signals and controls.

Under normal conditions, the oil pump supplies oil to the system, automatically maintains the rated pressure of the system, and realizes the function of holding the valve at any position through the blocking of the control valve: in the working state, the hydraulic actuator is controlled by the solenoid valve and the system command signal Actuate the solenoid valve to control the oil pressure and the energy release of the accumulator, and then control the oil cylinder slide valve, drive the valve through the mechanical transmission mechanism, and implement quick closing, normal opening and closing and test control.

The high-pressure cylinder can be fixed on the valve stem or directly used as an actuator. The surplus hydraulic oil is returned to the hydraulic oil station, so that the pipeline system uses one oil inlet pipe-one oil return pipe to control several valves connected in parallel. This hydraulic station with special drive technology is used to control the action of the main steam valve and the actuators of the steam turbine bypass system.

The power unit is optimized for various application conditions, for example, it can be used in trucks running in harsh environments, or used for long-term heavy-duty handling conditions, and other occasions that require high-performance and high-quality products.

The result is an extremely diverse platform, using standard components, which can cope with most of the application conditions required by the market. The customer’s inventory of hydraulic components is reduced to a small extent, and the workload of non-standard designs is greatly reduced. .

It also greatly reduces the workload of non-standard design. For example, the HE power unit is built on a diverse platform. The allowable motor size ranges from 80 to 132mm (0.3~4.5kw), and the pump displacement ranges from 0.24 to 5.7cc. -A power unit can control 4 hydraulic cylinders. The core component of the system is the adapter. There are two different specifications. It has various shapes and installation methods.


Post time: Nov-17-2020