Gear oil pump working principle, performance, application scope

2019 - 11 - 08

do you know about gear oil pump? You know he's working principle, performance and application scope? Lay the gear oil pump working principle, performance, application scope. Working principle of

is a positive displacement rotary pump, gear pump work depend on casing installed two of the same size gear meshing rotation, a driving wheel and a driven wheel, the gear cover before and after the two end by sealing, the gear pump shell's interior is divided into two independent working cavity, discharge and suction cavity respectively, and the transmission gear oil pump when the driving gear driven gear rotates, when gear cavity volume increases gradually, in the formation of partial vacuum suction chamber, the liquid be inhaled, inhaled liquid between each tooth of gear and to the discharge chamber, enter the meshing gear volume decreases, and the formation of high pressure liquid pump outlet discharge water pump. According to constantly spins and gear meshing, the liquid continuous delivery work. The performance characteristics of the internal gear pump adopts involute gear or circular arc gears. Generally with the relief valve. Gear oil pump is suitable for conveying lubricity non-corrosive liquid media such as oil, is suitable for conveying medium with high lift. Gear oil pump is rely on the transmission medium to lubrication, advantage is that the media request is not high, generally no more than 6 mpa pressure, has a self-priming capacity, uniform flow, reliable work, etc. With a range of gear oil pump is widely used in petroleum, chemical industry, ships, electricity, grain and oil, food, medical, building materials, metallurgy and other industries. Gear oil pump is not suitable for conveying medium containing solid particles, fibers, corrosive, applicable transfer temperature under 180 ℃, the viscosity of between 5 to 1500 CST lubricating oil or other liquid properties similar to lubricating oil. Apply to all kinds of has solidified at room temperature and cold area in the process of the installation work outdoor insulation required. Gear oil pump relatively higher performance-price ratio.

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