力士樂柱塞泵A10VSO28DFR/31R-PSA12N00天津總經銷

力士樂柱塞泵是液壓系統的一個重要裝置，它依靠柱塞在缸體中往復運動，使密封工作容腔的容積發生變化來實現吸油、壓油。柱塞泵具有額定壓力高、結構緊湊、效率高和流量調節方便等優點。直軸斜盤式柱塞泵分為壓力供油型和自吸油型兩種。柱塞往復運動總行程L是不變的，由凸輪的升程決定。缸體上均布有若干個（7或9個）軸向排列的柱塞，柱塞與缸體孔以很精密的間隙配合，一端頂在斜盤上，當齒輪泵泵軸與缸體固連在一起旋轉時，柱塞既能隨缸體在泵軸的帶動下一起轉動，又能在缸體的孔內靈活往復移動，柱塞在缸體內自下而上旋轉的左上半周內逐漸向左伸出，使缸體孔右端的T作腔體積不斷增加，產生局部真空，油液經配油盤上吸油腔被吸進來。反之，當柱塞在其自上而下回轉的右下半周內逐漸向右縮回缸內，使密封工作腔體積不斷減小，將油從配油盤上的排油膠向外壞出。缸體每轉一轉，每個柱塞往復運動一次，完成一次壓油和一次吸油。缸體連續旋轉，則每個柱塞不斷吸油和壓油，給液壓系統提供連續的壓力油。

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力士樂柱塞泵A10VSO28DFR/31R-PSA12N00天津總經銷