A10VSO45DR/31R-VPA12N00力士樂柱塞泵

A10VSO45DR/31R-VPA12N00力士樂柱塞泵

武漢百士自動(dòng)化設(shè)備有限公司專注于液壓、氣動(dòng)、工控自動(dòng)化備件銷售，熱誠(chéng)歡迎新老客戶咨詢購(gòu)買！

柱塞泵是液壓系統(tǒng)的一個(gè)重要裝置。它依靠柱塞在缸體中往復(fù)運(yùn)動(dòng)，使密封工作容腔的容積發(fā)生變化來實(shí)現(xiàn)吸油、壓油。柱塞泵具有額定壓力高、結(jié)構(gòu)緊湊、效率高和流量調(diào)節(jié)方便等優(yōu)點(diǎn)，被廣泛應(yīng)用于高壓、大流量和流量需要調(diào)節(jié)的場(chǎng)合，諸如液壓機(jī)、工程機(jī)械和船舶中。

徑向柱塞泵是活塞或柱塞的往復(fù)運(yùn)動(dòng)方向與驅(qū)動(dòng)軸垂直的柱塞泵。柱塞泵噪聲低，工作壓力高等優(yōu)點(diǎn)，但柱塞泵對(duì)液壓油的污染較敏感，造價(jià)較高。

徑向柱塞泵是活塞或柱塞的往復(fù)運(yùn)動(dòng)方向與驅(qū)動(dòng)軸垂直的柱塞泵。

驅(qū)動(dòng)扭矩由驅(qū)動(dòng)軸 通過十字聯(lián)軸器 傳遞給星形的液壓缸體轉(zhuǎn)子，定子不受其它橫向作用力。轉(zhuǎn)子裝在配流軸上。位于轉(zhuǎn)子中的徑向布置的柱塞，通過靜壓平衡的滑靴緊貼著偏心行程定子。柱塞與滑靴球鉸相連，并通過卡簧鎖定。二個(gè)保持環(huán)將滑靴卡在行程定子上。

泵轉(zhuǎn)動(dòng)時(shí)，它依靠離心力和液壓力壓在定于內(nèi)表面上。當(dāng)轉(zhuǎn)子轉(zhuǎn)動(dòng)時(shí)，由于定于的偏心作用，柱塞將作往復(fù)運(yùn)動(dòng)，它的行程為定于偏心距的2倍。定子的偏心距可由泵體上的徑向位置相對(duì)的兩個(gè)柱塞來調(diào)節(jié)。

油液的進(jìn)出通過泵體和配流軸上的流道，并由配流軸上吸油口控制，泵體內(nèi)產(chǎn)生的液壓力被靜壓平衡的表面所吸收。摩擦副的靜壓平衡采取了過平衡壓力補(bǔ)償方法，形成了開環(huán)控制。支承驅(qū)動(dòng)軸的軸承只起支承作用，不受其他外力的作用。

軸向柱塞泵是利用與傳動(dòng)軸平行的柱塞在柱塞孔內(nèi)往復(fù)運(yùn)動(dòng)所產(chǎn)生的容積變化來進(jìn)行工作的。由于柱塞泵的柱塞和柱塞孔都是圓形零件，加工時(shí)可以達(dá)到很高的精度配合。

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