真空泵大(da)多(duo)是(shi)柴(chai)油(you)車(che)液(ye)壓(ya)製(zhi)動(dong)助(zhu)力(li)器(qi)的(de)動(dong)力(li)源(yuan),通(tong)常(chang)由(you)發(fa)電(dian)機(ji)同(tong)軸(zhou)驅(qu)動(dong),同(tong)向(xiang)旋(xuan)轉(zhuan)。轉(zhuan)子(zi)偏(pian)置(zhi)在(zai)殼(ke)體(ti)中(zhong),炭(tan)精(jing)葉(ye)片(pian)與(yu)轉(zhuan)子(zi)滑(hua)槽(cao)作(zuo)精(jing)密(mi)配(pei)合(he),借(jie)彈(dan)簧(huang)壓(ya)力(li)使(shi)之(zhi)緊(jin)靠(kao)於(yu)外(wai)殼(ke)內(nei)壁(bi)表(biao)麵(mian)。殼(ke)體(ti)上(shang)部(bu)的(de)進(jin)氣(qi)口(kou)與(yu)真(zhen)空(kong)缸(gang)相(xiang)連(lian),並(bing)由(you)止(zhi)回(hui)閥(fa)防(fang)止(zhi)空(kong)氣(qi)和(he)潤(run)滑(hua)油(you)倒(dao)流(liu)。下(xia)部(bu)有(you)出(chu)油(you)孔(kong)通(tong)向(xiang)曲(qu)軸(zhou)箱(xiang),
工作過程和原理是:
1)抽chou吸xi作zuo用yong。由you於yu轉zhuan子zi在zai殼ke體ti中zhong偏pian置zhi,轉zhuan子zi中zhong各ge葉ye片pian與yu殼ke體ti內nei壁bi組zu成cheng的de容rong積ji是shi一yi個ge變bian數shu,容rong積ji由you小xiao到dao大da時shi產chan生sheng負fu壓ya而er吸xi氣qi,由you大da變bian小xiao時shi壓ya縮suo而er排pai氣qi。
2)轉(zhuan)子(zi)旋(xuan)轉(zhuan)時(shi),葉(ye)片(pian)因(yin)離(li)心(xin)力(li)而(er)外(wai)移(yi),與(yu)泵(beng)殼(ke)組(zu)成(cheng)一(yi)定(ding)量(liang)容(rong)積(ji)。從(cong)葉(ye)片(pian)越(yue)過(guo)進(jin)氣(qi)口(kou)時(shi),容(rong)積(ji)逐(zhu)漸(jian)擴(kuo)大(da),使(shi)進(jin)氣(qi)口(kou)產(chan)生(sheng)負(fu)壓(ya),打(da)開(kai)止(zhi)回(hui)閥(fa)而(er)抽(chou)吸(xi)真(zhen)空(kong)罐(guan)的(de)空(kong)氣(qi)。
3)轉子繼續旋轉,當該葉片越過進氣口到排氣口的中間位置時,容積開始縮小,空氣逐漸被壓縮。
4)danggaiyepiandaodapaiqikouhou,beiyasuoledekongqiquanbubeijichu。zhegeguochengzhouerfushi,zhenkongguanneidefuyajiuzhujiantigao。zhenkongduyuzhenkongbengdewanhaochengduyouguan。 |