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Types Of Hydraulic Pumps

Types of hydraulic pumps

Hydraulic pump is a kind of hydraulic component which provides pressurized liquid for hydraulic transmission. It is the function of the engine (such as motor and internal combustion engine) mechanical energy into fluid pressure energy. According to the need to adjust the output flow can be called variable volume pump commonly used in hydraulic system gear pump, vane pump and piston pump 3 kinds of. A. Gear pump gear pump:


Small volume, simple structure, the cleanliness of the oil is not strict, but the price is cheaper; shaft by the imbalance of power, serious wear, larger leakage. Motor drives the pump gear rotates, because of a pair of gears disengaged from the pump suction chamber volume gradually increased two, Vane pump vane pump:


Double acting vane pump and single acting vane pump. This pump is uniform, stable operation, small noise tone, working pressure and volume efficiency ratio of gear pump is high, the structure is more complex than the gear pump. Three, Ram-type pump piston pump:
High volume efficiency, small leakage, can work under high pressure, mostly used in large power hydraulic system; but the complex structure, materials and processing requirements of high accuracy, the price is expensive, the cleanliness of the oil is high. In general in the gear pump and vane pump can not meet the requirements


Hydraulic system: structure of piston into the axial piston pump and radial piston pump two representative; due to the high efficiency of pump radial plunger pump which belongs to the technical content of a model is relatively high, with the localization of accelerating, radial piston pump will become

 

pumps, such as screw pumps, etc., but the application of these 3 kinds of general. Features: aluminum alloy, high strength, corrosion resistance, light weight, suitable for all kinds of work environment. Double speed characteristics reduce the number of times, in the low pressure chamber in the state of fast load, immediately converted into high pressure, shorten the cycle of each operation. Equipped with pressure regulating valve, adjustable control and set working pressure.


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