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油泵是液压系统中的一个动力部件。定量叶片油泵是动力头中常用的一种结构型式。本文所介绍的是2、3号液压自驱式动力头中采用的双联定量叶片油泵,共有四种流量,即3/8、5/8、3/12、5/12升/分。经过试验后已定型为EP21。
The pump is a power unit in a hydraulic system. Quantitative blade pump is a commonly used power head structure type. This article describes the No. 2,3 hydraulic self-propelled power head used in double quantitative vane pump, a total of four kinds of flow, that is, 3 / 8,5 / 8,3 / 12,5 / 12l / min. After testing has been finalized for the EP21.