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REXROTH柱塞泵 力士樂液壓泵 REXROTH力士樂 REXROTH上海 REXROTH泵
REXROTH柱塞泵根據(jù)傾斜元件的不同,，有斜盤式和斜軸式兩種。斜盤式是斜盤相對(duì)回轉(zhuǎn)的缸體有一傾斜角度，而引起柱塞在泵缸中往復(fù)運(yùn)動(dòng),。傳動(dòng)軸軸線和缸體軸線是*的。這種結(jié)構(gòu)較簡(jiǎn)單,，轉(zhuǎn)速較高,，但工作條件要求高，柱塞端部與斜盤的接觸部往往是薄弱環(huán)節(jié),。斜軸式的斜盤軸線與傳動(dòng)軸軸線是*的,。它是由于柱塞缸體相對(duì)傳動(dòng)軸傾斜一角度而使柱塞作往復(fù)運(yùn)動(dòng)。流量調(diào)節(jié)依靠擺動(dòng)柱塞缸體的角度來實(shí)現(xiàn),，故有的又稱擺缸式,。它與斜盤式相比，工作可靠,，流量大,，但結(jié)構(gòu)復(fù)雜。
軸向柱塞泵一般用于機(jī)床,、冶金,、鍛壓、礦山及起重機(jī)械的液壓傳動(dòng)系統(tǒng)中,，特別廣泛地應(yīng)用于大功率的液壓傳動(dòng)系統(tǒng)中,。為了提高效率，在應(yīng)軸向柱塞泵一般都由缸體,、配油盤,、柱塞和斜盤等主要零件組成。缸體內(nèi)有多個(gè)柱塞,，柱塞是軸向排列的,，即柱塞的中心線平行于傳動(dòng)軸的軸線，因此稱它為軸向柱塞泵,。但它又不同于往復(fù)式柱塞泵,，因?yàn)樗闹粌H在泵缸內(nèi)做往復(fù)運(yùn)動(dòng)，而且柱塞和泵缸與斜盤相對(duì)有旋轉(zhuǎn)運(yùn)動(dòng),。柱塞以一球形端頭與斜盤接觸。在配油盤上有高低壓月形溝槽,，它們彼此由隔墻隔開,，保證一定的密封性，它們分別與泵的進(jìn)油口和出油口連通,。斜盤的軸線與缸體軸線之間有一傾斜角度,。
軸向柱塞泵與徑向柱塞泵比較，排出壓力高,，它一般可在20～50MPa范圍內(nèi)工作,，效率也高,，徑向尺寸小、結(jié)構(gòu)緊湊,、體積小,、重量輕。但結(jié)構(gòu)較徑向柱塞泵復(fù)雜,，加工制造要求高,，價(jià)格較貴。
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力士樂柱塞泵 REXROTH柱塞泵 德國(guó)力士樂REXROTH REXROTH柱塞泵 A4VS07IDR/3XR