技術文章
Rexroth力士樂葉片泵PV7-1X/10-14RE01MC0-16 R900580381工作原理
閱讀:511 發布時間:2023-6-30Rexroth力士樂葉片泵PV7-1X/10-14RE01MC0-16 R900580381工作原理
Rexroth力士樂葉片泵R900580381 PV7-1X/10-14RE01MC0-16原裝現貨,可變排量泵,尺寸14 cm?,壓力160 bar,適用于工業應用,開路
工業應用中的高可靠性。低噪音和脈動水平。由于具有高重復精度的低滯后,因此具有精確的控制行為。可與力士樂其他泵靈活組合。
旋轉葉片變量泵
適用于具有開放控制回路的工業應用
帶NBR密封
鑄鐵外殼
位移類型:可變
尺寸[cm?]:14
最大壓力[巴]:160
最大流量【l/min】:25.2
直通車:帶
旋轉方向:順時針旋轉
軸類型:圓柱形,帶裝配鍵
組件:符合ISO 3019-2和VDMA 24560的4螺栓法蘭80 B4HW
液壓液:HLP、HLPD、HVLP、HVLPD
密封件:NBR
重量[kg]:12.1
PV7-1X/10-14RE01MC0-16 R900580381
PV7-1X/10-20RE01MC0-10 R900534143
PV7-1X/16-20RE01MC0-16 R900580382
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PV7-1X/100-150RE07MD0-08 R900915470
Rexroth力士樂葉片泵PV7-1X/10-14RE01MC0-16 R900580381工作原理:
葉片泵轉子旋轉時,葉片在離心力和壓力油的作用下,尖部緊貼在定子內表面上。這樣兩個葉片與轉子和定子內表面所構成的工作容積,先由小到大吸油后再由大到小排油,葉片旋轉一周時,完成一次吸油與排油。
一、單作用葉片泵的工作原理
泵由轉子1、定子2、葉片3、配油盤和端蓋等部件所組成。定子的內表面是圓柱形孔。轉子和定子之間存在著偏心。葉片在轉子的槽內可靈活滑動,在轉子轉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表面上,于是兩相鄰葉片、配油盤、定子和轉子間便形成了一個個密封的工作腔。當轉子按逆時針方向旋轉時,圖右側的葉片向外伸出,密封工作腔容積逐漸增大,產生真空,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。葉片往里縮進,密封腔的容積逐漸縮小,密封腔中的油液經配油盤另一窗口和壓油口1被壓出而輸出到系統中去。這種泵在轉子轉一轉過程中,吸油壓油各一次,故稱單作用泵。轉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
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,且定子和轉子是同心的。在圖示轉子順時針方向旋轉的情況下,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,在左下角和右上角處逐漸減小,為壓油區;吸油區和壓油區之間有一段封油區把它們隔開。這種泵的轉子每轉一轉,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。泵的兩個吸油區和兩個壓油區是徑向對稱的,作用在轉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,當葉片數為4的倍數時脈動率小。為此,雙作用葉片泵的葉片數一般都取12或16。
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Rexroth力士樂葉片泵PV7-1X/10-14RE01MC0-16 R900580381工作原理