Piston pump is an important member of the hydraulic system, the plunger pump in the work mainly rely on the plunger in the cylinder reciprocating motion, so that the sealing volume can be changed, so as to achieve the effect of oil absorption, pressure oil . Piston pump oil into the process and the return of the piston pump work on the impact of significant, the two contents of the study can deepen the understanding of the working principle of the plunger pump. Plunger pump works Plunger pump is a reciprocating pump, which belongs to the volume pump, the plunger driven by the eccentric rotation of the pump shaft, reciprocating motion, the suction and discharge valves are one-way valve. When the plunger is pulled out, the pressure in the working chamber is reduced and the outlet valve is closed. When the pressure is lower than the inlet pressure, the inlet valve opens and the liquid enters. When the plunger is pushed in, the working chamber pressure rises and the inlet valve closes, The outlet valve is open and liquid is drained. When the drive shaft drives the cylinder to rotate, the swash plate pulls or pushes the plunger out of the cylinder to complete the process of suction and discharge. The oil in the working chamber composed of the plunger and the cylinder bore respectively communicates with the suction and discharge chambers of the pump through the oil distribution plate. The variable mechanism is used to change the inclination of the swash plate. The displacement of the pump can be changed by adjusting the inclination of the swash plate. The working principle of the plunger pump is very good, will greatly affect the subsequent use of the plunger pump, plunger pump development in China after the storm, which has a high rated pressure, compact structure, high efficiency and flow adjustment convenience, etc. Nowadays Piston pump has been able to basically meet the needs of the market. In the high pressure, high flow and flow needs to be adjusted occasions, such as hydraulic machines, construction machinery and ships often have the plunger pump busy figure.
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