Small hydraulic power unit
2 month ago
Product details
Working Principle
A small hydraulic power unit operates by having an electric motor drive a hydraulic pump. The hydraulic pump draws hydraulic oil from the oil tank, pressurizes it, and then outputs it into the hydraulic system. The hydraulic oil flows within the system, transmitting pressure and energy to drive actuating elements such as hydraulic cylinders or hydraulic motors to perform work, achieving various mechanical motions like linear and rotational movements. After the actuating elements complete their work, the hydraulic oil returns to the oil tank. It undergoes cooling and filtration before being drawn back in by the hydraulic pump, forming a circulating hydraulic system.
Main Components
• Hydraulic Pump: It is the core component of the hydraulic power unit, responsible for converting mechanical energy into hydraulic energy and providing pressurized oil to the system. Common small hydraulic pumps include gear pumps, vane pumps, and piston pumps, each with distinct characteristics and application scopes.
• Electric Motor: It supplies power to the hydraulic pump, driving its rotation. The power and rotational speed of the motor need to be selected according to the requirements of the hydraulic system to ensure that the hydraulic pump can operate normally and meet the system's flow and pressure demands.
• Oil Tank: It is used to store hydraulic oil and also serves functions such as heat dissipation, sedimentation of impurities, and separation of air. The capacity of the oil tank should be determined based on the flow rate and heat generation of the hydraulic system to ensure that the hydraulic oil has sufficient cooling time and good working performance.
• Control Valve Group: It includes relief valves, directional control valves, throttle valves, etc., which are used to control the pressure, flow rate, and direction of the hydraulic system, enabling various motion controls of the actuating elements. Relief valves are used to regulate the system pressure and prevent overloading; directional control valves are used to change the flow direction of the hydraulic oil, thereby controlling the motion direction of the actuating elements; throttle valves are used to adjust the flow rate of the hydraulic oil and control the motion speed of the actuating elements.
• Hydraulic Accessories: Such as filters, coolers, pressure gauges, etc. Filters are used to filter out impurities in the hydraulic oil, ensuring its cleanliness and extending the service life of hydraulic components; coolers are used to reduce the temperature of the hydraulic oil and prevent it from deteriorating due to excessive temperature; pressure gauges are used to display the pressure of the hydraulic system, facilitating operators to monitor and adjust the system's operating status.
Features
• Compact Structure: Small hydraulic power units integrate multiple hydraulic components within a relatively small space, occupying a small area and being easy to install. They are suitable for occasions with limited space.
• Simple Operation: They are usually equipped with simple control devices. Operators can control various motions of the hydraulic system by operating control valves or buttons, making them easy to learn and use.
• Convenient Maintenance: Due to their relatively simple structure and reasonable connection and layout of components, they are more convenient and quick to maintain and inspect, reducing downtime and improving equipment utilization.
• Low Cost: Compared with large hydraulic systems, small hydraulic power units have relatively lower manufacturing and operating costs, saving investment and operating expenses for users.
Application Fields
• Machine Tool Industry: In various machine tools such as lathes, milling machines, and grinding machines, small hydraulic power units are used to drive the clamping and releasing of fixtures, the movement of worktables, and the speed change of spindles, improving the machining accuracy and production efficiency of machine tools.
• Automated Production Lines: On automated production lines, small hydraulic power units provide power for various automated equipment, such as the grasping and placing of robotic arms, the operation of conveyor lines, and the positioning and assembly of workpieces, achieving automation and intelligence in the production process.
• Construction Machinery: Some small construction machinery, such as small excavators, loaders, and forklifts, also use small hydraulic power units as the power source of their hydraulic systems to provide power support for actions such as walking, excavation, and loading and unloading of the equipment.
• Agricultural Machinery: In the field of agricultural machinery, small hydraulic power units are used to drive the hitching devices of tractors, the lifting of harvesting machine headers, and the trenching and sowing of seeders, improving the operational efficiency and quality of agricultural machinery.
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Suppliers
Ningbo Hengnuo Hydraulic Drive Co.,Ltd
Audited supplier
4 year
Main Product:
hydraulic motor,
gear box,
hydraulic pump,
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hydraulic system