REXROTH葉片泵轉(zhuǎn)子旋轉(zhuǎn)時(shí)，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(gè)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(shí)，完成一次吸油與排油。

    德國(guó)REXROTH力士樂(lè)葉片泵工作前，先將泵內(nèi)充滿液體，然后啟動(dòng)離心泵，葉輪快速轉(zhuǎn)動(dòng)，葉輪的葉片驅(qū)使液體轉(zhuǎn)動(dòng)，液體轉(zhuǎn)動(dòng)時(shí)依靠慣性向葉輪外緣流去，同時(shí)葉輪從吸入室吸進(jìn)液體，在這一過(guò)程中，力士樂(lè)葉片泵葉輪中的液體繞流葉片，在繞流運(yùn)動(dòng)中液體作用一升力于葉片，反過(guò)來(lái)葉片以一個(gè)與此升力大小相等、方向相反的力作用于液體，這個(gè)力對(duì)液體做功，使液體得到能量而流出葉輪，這時(shí)液體 的動(dòng)能與壓能均增大。

    REXROTH葉片泵依靠旋轉(zhuǎn)葉輪對(duì)液體的作用把原動(dòng)機(jī)的機(jī)械能傳遞給液體。由于離心泵的作用液體從葉輪進(jìn)口流向出口的過(guò)程中，其速度能和壓力能都得到增加，被葉輪排出的液體經(jīng)過(guò)壓出室，大部分速度能轉(zhuǎn)換成壓力能，然后沿排出管路輸送出去

    這時(shí)，REXROTH葉片泵葉輪進(jìn)口處因液體的排出而形成真空或低壓，吸水池中的液體在液面壓力(大氣壓)的作用下，被壓入葉輪的進(jìn)口，于是，旋轉(zhuǎn)著的葉輪就連續(xù)不斷地吸入和排出液體。

上海維特銳專業(yè)報(bào)價(jià)德國(guó)REXROTH

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