Hydraulic power units provide the only power source for each piece of equipment on the manipulator. They consist of a motor, hydraulic pump, integrated channel block, valve group, protection device, and other components. The station adopts vertical and horizontal forms. It features a compact and reasonable design. The station generates minimal heat and has no leakage. It is easy to maintain and demonstrates strong adaptability.
Its characteristics are as follows: It features a dual oil supply system, with one backup for reliability. Additionally, it includes a spare valve of the same type, and electronic control that allows for stepless adjustment of pressure and flow rate, along with a no-load unloading function. Furthermore, the design and manufacturing process adhere to high-pressure standards, ensuring that the system operates efficiently in the medium pressure zone. Based on actual working conditions, we can also equip the system with cooling or heating devices to enhance its performance. It also provides real-time protection through oil temperature, oil level, and pressure protection features.
Based on user requirements or the actual situation on site, we can use different types of components for the main parts of the hydraulic power units. We can choose from explosion-proof, imported, joint venture, or domestic components.
Hydraulic power units composition and working principle:
Hydraulic power units, also known as hydraulic pump station, is an independent hydraulic device. It supplies oil according to the host’s requirements and controls the direction of oil flow, pressure, and flow. Specifically, it applies to various hydraulic machinery where we can separate the host from the hydraulic device. Once purchased, users need to connect the hydraulic station to the host actuators (cylinders or oil motors) using oil pipes. Consequently, the system will be ready to achieve a variety of prescribed actions and work cycles. Once connected, the hydraulic machinery can perform a variety of prescribed actions. It will then complete the work cycle as intended. Hydraulic power units consist of a pump device, an integrated block or valve combination, a tank, and an electrical box combination.
The function of each component is as follows:
Pump unit – equipped with a motor and oil pump, it is the power source of the hydraulic power units, the mechanical energy into the hydraulic oil pressure energy.
The integration block assembles the hydraulic valve and channel body. It regulates the direction, pressure, and flow of the hydraulic oil.
Valve combination – is a plate valve mounted on the board, the board after the tube connection, and the function of the integrated block with.
Oil tank – equipped with oil filters, air filters, etc., it is used for oil storage, oil cooling and filtration.
Electrical box – two forms. We lead a set of external connections to the terminal board, and we configure one with a full set of control appliances.
The working principle of the hydraulic power units is as follows: the motor drives the oil pump to rotate, the pump sucks oil from the tank and then presses the oil, converts the mechanical energy into the pressure energy of the hydraulic oil, the hydraulic oil through the integrated block (or the valve combination) by the hydraulic valve to achieve the direction, pressure, flow rate adjustment by the external pipeline transmission to the hydraulic machinery cylinders or oil motors, so as to control the direction of the change in the liquid motive force, the size of the force and speed of the speed of the promotion of a variety of Hydraulic machinery to do work.
We mainly distinguish the structural form of hydraulic power units by the pump unit’s structure, installation position, and cooling method. We install the units based on the structural form of the pump unit.
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