化工儀器網(wǎng)
產(chǎn)品簡介
葉片泵轉(zhuǎn)子旋轉(zhuǎn)時，葉片在離心力和壓力油的作用下,，尖部緊貼在定子內(nèi)表面上,。這樣兩個葉片與轉(zhuǎn)子和定子內(nèi)表面所構(gòu)成的工作容積，先由小到大吸油后再由大到小排油,，葉片旋轉(zhuǎn)一周時,，完成兩次吸油與排油。 一,、單作用葉片泵的工作原理
詳細介紹
REXROTH葉片泵$力士樂葉片泵
葉片泵轉(zhuǎn)子旋轉(zhuǎn)時,，葉片在離心力和壓力油的作用下，尖部緊貼在定子內(nèi)表面上,。這樣兩個葉片與轉(zhuǎn)子和定子內(nèi)表面所構(gòu)成的工作容積,，先由小到大吸油后再由大到小排油，葉片旋轉(zhuǎn)一周時,，完成兩次吸油與排油,。 一、單作用葉片泵的工作原理 泵由轉(zhuǎn)子1,、定子2,、葉片3、配油盤和端蓋等部件所組成,。定子的內(nèi)表面是圓柱形孔。轉(zhuǎn)子和定子之間存在著偏心,。葉片在轉(zhuǎn)子的槽內(nèi)可靈活滑動,，在轉(zhuǎn)子轉(zhuǎn)動時的離心力以及通入葉片根部壓力油的作用下，葉片頂部貼緊在定子內(nèi)表面上,，于是兩相鄰葉片,、配油盤、定子和轉(zhuǎn)子間便形成了一個個密封的工作腔,。當轉(zhuǎn)子按逆時針方向旋轉(zhuǎn)時,，圖右側(cè)的葉片向外伸出,，密封工作腔容積逐漸增大，產(chǎn)生真空,，于是通過吸油口6和配油盤5上窗口將油吸入,。而在圖的左側(cè)。葉片往里縮進,，密封腔的容積逐漸縮小,，密封腔中的油液經(jīng)配油盤另一窗口和壓油口1被壓出而輸出到系統(tǒng)中去。這種泵在轉(zhuǎn)子轉(zhuǎn)一轉(zhuǎn)過程中,，吸油壓油各一次,，故稱單作用泵。轉(zhuǎn)子受到徑向液壓不平衡作用力,，故又稱非平衡式泵,，其軸承負載較大。改變定子和轉(zhuǎn)子間的偏心量,，便可改變泵的排量,，故這種泵都是變量泵。
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REXROTH葉片泵$力士樂葉片泵
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