E-A10VSO140DR/31R-PPB12N00力士樂柱塞泵，大量現(xiàn)貨
柱塞泵工作原理：
柱塞泵的工作原理
柱塞泵是液壓系統(tǒng)的一個重要裝置。它依靠柱塞在缸體中往復(fù)運動，使密封工作容腔的容積發(fā)生變化來實現(xiàn)吸油、壓油。柱塞泵具有額定壓力高、結(jié)構(gòu)緊湊、效率高和流量調(diào)節(jié)方便等優(yōu)點，被廣泛應(yīng)用于高壓、大流量和流量需要調(diào)節(jié)的場合，諸如液壓機(jī)、工程機(jī)械和船舶中。 柱塞泵是往復(fù)泵的一種，屬于體積泵，其柱塞靠泵軸的偏心轉(zhuǎn)動驅(qū)動，往復(fù)運動，其吸入和排出閥都是單向閥。當(dāng)柱塞外拉時，工作室內(nèi)壓力降低，出口閥關(guān)閉，低于進(jìn)口壓力時，進(jìn)口閥打開，液體進(jìn)入；柱塞內(nèi)推時，工作室壓力升高，進(jìn)口閥關(guān)閉，高于出口壓力時，出口閥打開，液體排出。當(dāng)傳動軸帶動缸體旋轉(zhuǎn)時，斜盤將柱塞從缸體中拉出或推回，完成吸排油過程。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸、排油腔相通。變量機(jī)構(gòu)用來改變斜盤的傾角，通過調(diào)節(jié)斜盤的傾角可改變泵的排量。
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