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Application of Manual Servo Variable Axial Piston Pump in Hydraulic Cylinder
- Categories:Industry Information
- Time of issue:2021-08-26
(Summary description)Technical personnel engaged in hydraulic cylinder design are not unfamiliar with plunger pumps, but for the application of manual servo variable axial plunger pumps in hydraulic cylinders, they are rare and unfamiliar. Today, we will answer this for you in detail. problem.
Application of Manual Servo Variable Axial Piston Pump in Hydraulic Cylinder
(Summary description)Technical personnel engaged in hydraulic cylinder design are not unfamiliar with plunger pumps, but for the application of manual servo variable axial plunger pumps in hydraulic cylinders, they are rare and unfamiliar. Today, we will answer this for you in detail. problem.
- Categories:Industry Information
- Time of issue:2021-08-26 19:21
- Views:
Technical personnel engaged in hydraulic cylinder design are not unfamiliar with plunger pumps, but for the application of manual servo variable axial plunger pumps in hydraulic cylinders, they are rare and unfamiliar. Today, we will answer this for you in detail. problem.
Its working principle is: hydraulic oil flows from the oil outlet through the port a, opens the one-way valve 14 and enters the lower cavity 6 of the variable piston. When the pull rod 8 is pressed, the servo piston is pushed down to move, then The pressure oil enters the upper cavity f through the passage c. Since the area of the upper end of the variable piston is larger than the area of the lower end, the hydraulic pressure acting on its upper end is greater than the hydraulic pressure acting on the lower end, and the variable piston 11 moves downwards, driving the pin 12 to make the swash plate 7 around the center line of its trunnion. Swing, the change of the inclination angle y of the swash plate changes the stroke of the plunger. Increase y, the stroke increases, and the flow rate becomes larger; decrease y, the flow rate decreases. This variable mechanism is essentially a follow-up mechanism, the inclination angle of the swash plate, (output) completely changes with the position (input) of the servo slider.
The difference between the hydraulic cylinder manual servo variable mechanism and the manual variable mechanism is: the manual variable is to directly pull the variable piston, because the force of the swash plate is large, it is difficult to pull; while the manual servo variable mechanism is to pull the servo piston, the force is Very small, the variable piston moves with the movement of the servo piston, powerfully amplifying. Therefore, the manual servo variable mechanism is relatively simple and convenient, and it can be variable in the work of the hydraulic pump.
After clarifying the internal structure and working principle of the manual servo variable axial piston pump, it can be better applied to hydraulic cylinders and hydraulic systems in the future.
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