Servo pump control hydraulic system
A hydraulic system and servo pump technology, applied in servo motors, servo motor components, fluid pressure actuating devices, etc., can solve the problems of low efficiency of hydraulic systems, large throttling losses, and difficulty in further improving efficiency.
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[0017] In order to clearly illustrate the technical features of the present solution, the present solution will be described below through specific embodiments and in conjunction with the accompanying drawings.
[0018] A servo pump-controlled hydraulic system includes an oil cylinder 15 and a bidirectional hydraulic pump 7 driven by a servo motor 6. The output shaft of the servo motor 6 is connected with the drive shaft of the hydraulic pump 7, and the servo motor 6 drives the hydraulic pump 7 clockwise or counterclockwise. Clock operation and stop of hydraulic pump 7 . The servo motor 6 has a built-in encoder 5, which is used to measure the angular displacement and rotational speed of the servo motor 6, and feed back the corresponding signal to the servo motor driver to form a closed-loop control loop, which improves the efficiency of the servo motor 6 to drive the hydraulic pump 7. control precision. Relying on the displacement sensor measuring the position of the piston r...
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