At the principle level, the hydraulic motor and the hydraulic pump in a hydraulic drive system depend on the transformation of the volume of the product in operation. Thus, the pump can be used as a hydraulic motor, and the robot hydraulic motor can be used as a pump. But in fact, because the operation of the two is not the same, hydraulic motor in order to better and better performance in the work of the respective, there are differences in the type of structure, and therefore can not be widely used. So will tell you the following aspects, the hydraulic pump and hydraulic motor of the same and differences, and their principles.　　

Hydraulic pump and winch hydraulic motor have the following differences.　　

① A variety of hydraulic pumps and hydraulic motors are all using a sealed volume (cavity) of the regularity of the shift in the work. The work must be assisted by the flow plate and other equipment, the hermetic volume is divided into two parts: the high pressure area and the low pressure area.　　

② In the work will also occur in the trapped oil condition and tangential force imbalance, hydraulic shock, liquidity pulse, liquid leakage and other general physical changes.　　

③ Hydraulic pump and motor are the power system of mutual transformation of mechanical kinetic energy and working pressure energy. There is heat damage during the conversion operation, with high volumetric efficiency, mechanical energy and total high efficiency. These three efficiencies are the same as each other. In the hydraulic motor measurement of high efficiency, should establish the key in and export interrelationship

④The principle of hydraulic pump and hydraulic motor is reversible, theoretically the key-in and output volume has the same digital correlation;　　

⑤ hydraulic pump and hydraulic motor of the main structural characteristics of the basic parameters for the displacement, displacement size reflects the performance of the hydraulic pump and hydraulic motor.

Today the article content of the piston linkage hydraulic motor ends.

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