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    威格士葉片泵VICKERS現(xiàn)貨banshichu報(bào)價(jià)
    東莞市廣聯(lián)自動化科技有限公司是一家從事歐美進(jìn)口自動化設(shè)備快9年的公司，主要以網(wǎng)絡(luò)銷售為主,，公司憑著良好的經(jīng)營理念,，客戶遍布，另外我們德國跟美國也有公司,，如果您的客戶也是國外的話,，那么也可以直接跟我們國外公司簽合同。我們在國內(nèi)有三家公司,，上海兩家,，東莞一家，都是專業(yè)做歐美進(jìn)口產(chǎn)品的,，如果您有這方面的需要請隨時,。
    威格士VICKERS葉片泵是轉(zhuǎn)子槽內(nèi)的葉片與泵殼(定子環(huán))相接觸，將吸入的液體由進(jìn)油側(cè)壓向排油側(cè)的泵,。威格士葉片泵轉(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,。威格士葉片泵分為單作用和雙作用，下面分別來看下他們的工作原理：
    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(dāng)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(jìn),，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(fù)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。
    二,、雙作用葉片泵的工作原理
    威格士葉片泵根據(jù)中類型的不同有兩種
    一）專門指容積泵中的滑片泵,。
    二）指動力式泵的三泵（離心泵、混流泵,、軸流泵）或其他特殊的泵,。這類泵產(chǎn)品一般不會叫葉片泵。但作為專著,，葉片泵幾乎全部是指離心泵,、混流泵、軸流泵等,。根據(jù)其每轉(zhuǎn)的理論排量是固定值還是可變值,，可以分為葉片式變量泵和葉片式定量泵。它的作用原理和單作用葉片泵相似,，不同之處只在于定子表面是由兩段長半徑圓弧,、兩段短半徑圓弧和四段過渡曲線八個部分組成,，且定子和轉(zhuǎn)子是同心的。在圖示轉(zhuǎn)子順時針方向旋轉(zhuǎn)的情況下,，密封工作腔的容積在左上角和右下角處逐漸增大,，為吸油區(qū)，在左下角和右上角處逐漸減小,，為壓油區(qū),；吸油區(qū)和壓油區(qū)之間有一段封油區(qū)把它們隔開。這種泵的轉(zhuǎn)子每轉(zhuǎn)一轉(zhuǎn),，每個密封工作腔完成吸油和壓油動作各兩次，所以稱為雙作用葉片泵,。泵的兩個吸油區(qū)和兩個壓油區(qū)是徑向?qū)ΨQ的,，作用在轉(zhuǎn)子上的液壓力徑向平衡，所以又稱為平衡式葉片泵,。雙作用葉片泵的瞬時流量是脈動的,，當(dāng)葉片數(shù)為4的倍數(shù)時脈動率小。為此,，雙作用葉片泵的葉片數(shù)一般都取12或16,。
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