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Hydraulic pump Hydraulic motor Difference between hydraulic cylinders:

The hydraulic pump is used as the power component to convert the mechanical energy into the pressure energy of the oil; The hydraulic motor cylinder turning belongs to the actuator, which converts the pressure energy of oil into mechanical energy;

(2) Some hydraulic pumps have clear regulations on steering (such as gear pump, vane pump, etc.), and they can only rotate in one direction, Portland hydraulic motor Do not change the rotation direction at will; The steering of the output shaft of the hydraulic motor must be able to rotate forward and backward, so its structure is symmetrical; The piston of the hydraulic cylinder can only move back and forth in a straight line.

(3) Generally, hydraulic pumps have only inlet and outlet oil ports (except for axial piston pumps), Through shaft hydraulic motor The internal outlet oil port is connected with the inlet oil port; In addition to the inlet and outlet oil ports, the hydraulic motor has an independent outlet oil port; The hydraulic cylinder has only inlet and outlet oil ports.

Application of hydraulic pump, hydraulic motor and hydraulic cylinder.

As the core of the entire hydraulic system, the hydraulic pump is the power source of the hydraulic system, and has applications in various hydraulic systems, such as: simple structure, small size, light weight, easy manufacturing, low price, reliable work, strong self-priming ability, commonly used in the automatic lubrication oil system of CNC machine tools, compact structure, fewer parts, large working volume, high speed, smooth movement, Low noise, commonly used in the hydraulic system of hydraulic machine tools, often used in situations with limited linear displacement output, such as hydraulic jacks, manipulator hydraulic telescopic arms, etc.