A10V045DFLR/31R-VSC12N00力士樂柱塞泵好價(jià)格

南京軒創(chuàng)機(jī)電貿(mào)易有限公司銷售德國力士樂柱塞泵

            南京軒創(chuàng)機(jī)電貿(mào)易有限公司（簡稱“軒創(chuàng)液壓”）成立于2006年，位于江蘇省南京市,。是一家批發(fā)零售：液壓油泵閥門的供應(yīng)商,。主要產(chǎn)品有：德國力士樂（REXROTH）,，德國福伊特（VOITH），意大利維托斯（VTOZ）,，美國威格士（VICKERS）,，伊頓（EATON），日本東京計(jì)器（TOKIMEC）,、油研（YUKEN）,、（NACHI）、豐興（TOYOOKI,，大金（DAIKIN）,，法國丹尼遜（DENISON），油圣（YEOSHE）,，凱嘉（KCL）,，福南（FURNAN）油泵等等。公司目前旗下有員工38人,，公司一貫堅(jiān)持“用戶至上,，信守合同”的宗旨，憑借著高質(zhì)量的產(chǎn)品,，產(chǎn)品銷往近三十多個(gè)省,、市、自治區(qū)以及遠(yuǎn)銷南非,、新加坡等,。

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柱塞泵是往復(fù)泵的一種,，屬于體積泵,，其柱塞靠泵軸的偏心轉(zhuǎn)動(dòng)驅(qū)動(dòng)，往復(fù)運(yùn)動(dòng),，其吸入和排出閥都是單向閥,。當(dāng)柱塞外拉時(shí)，工作室內(nèi)壓力降低,，出口閥關(guān)閉,，低于進(jìn)口壓力時(shí)，進(jìn)口閥打開,，液體進(jìn)入;柱塞內(nèi)推時(shí),，工作室壓力升高，進(jìn)口閥關(guān)閉,，高于出口壓力時(shí),，出口閥打開,，液體排出。當(dāng)傳動(dòng)軸帶動(dòng)缸體旋轉(zhuǎn)時(shí),，斜盤將柱塞從缸體中拉出或推回,，完成吸排油過程。柱塞與缸孔組成的工作容腔中的油液通過配油盤分別與泵的吸,、排油腔相通,。變量機(jī)構(gòu)用來改變斜盤的傾角，通過調(diào)節(jié)斜盤的傾角可改變泵的排量,。

柱塞泵柱塞往復(fù)運(yùn)動(dòng)總行程L是不變的,，由凸輪的升程決定。柱塞每循環(huán)的供油量大小取決于供油行程,供油行程不受凸輪軸控制是可變的,。供油開始時(shí)刻不隨供油行程的變化而變化,。轉(zhuǎn)動(dòng)柱塞可改變供油終了時(shí)刻，從而改變供油量,。柱塞泵工作時(shí),，在噴油泵凸輪軸上的凸輪與柱塞彈簧的作用下,，迫使柱塞作上,、下往復(fù)運(yùn)動(dòng)，從而完成泵油任務(wù),，泵油過程可分為以下三個(gè)階段,。

進(jìn)油過程
當(dāng)凸輪的凸起部分轉(zhuǎn)過去后，在彈簧力的作用下,，柱塞向下運(yùn)動(dòng),，柱塞上部空間(稱為泵油室)產(chǎn)生真空度，當(dāng)柱塞上端面把柱塞套上的進(jìn)油孔打開后,，充滿在油泵上體油道內(nèi)的柴油經(jīng)油孔進(jìn)入泵油室,，柱塞運(yùn)動(dòng)到下止點(diǎn)，進(jìn)油結(jié)束,。

供油過程
當(dāng)凸輪軸轉(zhuǎn)到凸輪的凸起部分頂起滾輪體時(shí),，柱塞彈簧被壓縮，柱塞向上運(yùn)動(dòng),，燃油受壓,，一部分燃油經(jīng)油孔流回噴油泵上體油腔。當(dāng)柱塞頂面遮住套筒上進(jìn)油孔的上緣時(shí),，由于柱塞和套筒的配合間隙很小(0.0015-0.0025mm)使柱塞頂部的泵油室成為一個(gè)密封油腔,，柱塞繼續(xù)上升，泵油室內(nèi)的油壓迅速升高,，泵油壓力>出油閥彈簧力+高壓油管剩余壓力時(shí),，推開出油閥,，高壓柴油經(jīng)出油閥進(jìn)入高壓油管，通過噴油器噴入燃燒室,。

回油過程
柱塞向上供油,，當(dāng)上行到柱塞上的斜槽(停供邊)與套筒上的回油孔相通時(shí)，泵油室低壓油路便與柱塞頭部的中孔和徑向孔及斜槽溝通,，油壓驟然下降,，出油閥在彈簧力的作用下迅速關(guān)閉，停止供油,。此后柱塞還要上行,，當(dāng)凸輪的凸起部分轉(zhuǎn)過去后，在彈簧的作用下,，柱塞又下行,。此時(shí)便開始了下一個(gè)循環(huán)。

柱塞泵以一個(gè)柱塞為原理介紹,，一個(gè)柱塞泵上有兩個(gè)單向閥,，并且方向相反，柱塞向一個(gè)方向運(yùn)動(dòng)時(shí)缸內(nèi)出現(xiàn)負(fù)壓,，這時(shí)一個(gè)單向閥打開液體被吸入缸內(nèi),，柱塞向另一個(gè)方向運(yùn)動(dòng)時(shí)，將液體壓縮后另一個(gè)單向閥被打開,，被吸入缸內(nèi)的液體被排出,。這種工作方式連續(xù)運(yùn)動(dòng)后就形成了連續(xù)供油 。

折疊編輯本段結(jié)構(gòu)形式
柱塞泵分為軸向柱塞泵和徑向柱塞泵兩種代表性的結(jié)構(gòu)形式;由于徑向柱塞泵屬于一種新型的技術(shù)含量比較高的**泵,，隨著不斷加快,，徑向柱塞泵必然會(huì)成為柱塞泵應(yīng)用領(lǐng)域的重要組成部分.

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