An industrial electro - hydraulic push rod is a new type of industrial actuator that integrates machinery, electricity, and hydraulics. It uses an electric motor as the power source. Through the forward (reverse) rotation of the motor, the hydraulic oil is output under pressure by a bidirectional gear pump. Then, via the oil circuit manifold, the pressure oil is sent to the working cylinder, enabling the reciprocating motion of the piston rod.
It is mainly composed of a motor, which provides power for the whole system and drives the oil pump; an oil pump, which converts mechanical energy into hydraulic energy to generate pressurized oil; a hydraulic control valve group, including relief valves and directional control valves, to control the flow direction, pressure, and flow rate of the hydraulic oil, thus precisely controlling the movement of the push rod; a cylinder, which converts hydraulic energy into mechanical energy to make the piston rod move linearly; and an oil tank, which stores the hydraulic oil and helps with heat dissipation and impurity sedimentation.
Industrial electro - hydraulic push rods have several notable features. They can generate large driving forces. Different thrust levels can be designed according to various industrial requirements, and the maximum thrust can reach a relatively high value, making them suitable for industrial applications that require strong driving forces, such as in the mining and metallurgical industries. They also have excellent self - locking performance. When the power is cut off or the operation stops, they can be reliably locked in the current position without moving due to external forces, ensuring the safety and stability of the equipment. They have strong overload protection capabilities. When an overload occurs during the operation of the push rod, the relief valve in the hydraulic system will automatically open, allowing the excess pressure oil to flow back to the oil tank, preventing equipment damage caused by overloading. Moreover, they can be remotely and centrally controlled. Through the electrical control system, remote operation of the electro - hydraulic push rod and centralized control of multiple push rods can be easily achieved, improving the degree of production automation and management efficiency. In addition, they offer various installation methods, which can be selected according to different industrial equipment and on - site environments, such as horizontal, vertical, or inclined installations.
These push rods are widely used in the mining industry for opening and closing the gates of ore bins and controlling the actions of ore screening equipment. In the metallurgical industry, they are used to control the lifting of furnace doors and the movement of slag baffles during steelmaking and iron - making processes. In the power industry, they can be used for the boiler slag discharge system and valve adjustment in power plants. In the chemical industry, they are applied to control the opening and closing of valves on chemical pipelines and the lifting of stirring devices in reaction kettles. In the building materials industry, they are used to control the size of discharge ports and the tension of conveyor belts in cement production lines.
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