一、齒輪油泵的特點有哪些
齒輪油泵是通過一對參數和結構相同的漸開線齒輪的相互滾動嚙合,將油箱內的低壓油升至能做功的高壓油的重要部件。那么你知道齒輪油泵的特點有哪些嗎?
1、結構緊湊,使用和(he)保養方便。
2、具有(you)良好的自吸(xi)性,故每次(ci)開泵前無須灌入(ru)液體。
3、齒輪油泵的(de)潤滑是(shi)靠輸送的(de)液體而自動達到的(de),故日常工作(zuo)時(shi)無須別加潤滑油。
二、齒輪油泵的作用是什么
齒輪油泵的的作(zuo)用(yong)是(shi)用(yong)來(lai)傳(chuan)(chuan)送(song)(song)粘性比較大的液態,如潤滑油(you)和燃燒(shao)油(you),不(bu)適(shi)合傳(chuan)(chuan)送(song)(song)粘性較低的液態例如水(shui)以(yi)(yi)及汽(qi)油(you)等等,不(bu)適(shi)合傳(chuan)(chuan)送(song)(song)帶有顆(ke)粒雜(za)質的液態影(ying)(ying)響(xiang)泵的使用(yong)期限,可(ke)身(shen)為潤滑系統(tong)(tong)油(you)泵和液壓系統(tong)(tong)油(you)泵,普遍(bian)用(yong)于汽(qi)車發動機(ji)、汽(qi)輪發電機(ji)、多級離心風機(ji)、數控(kong)車床以(yi)(yi)及其他(ta)設(she)備。齒輪油(you)泵加工工藝要(yao)求高,不(bu)容易獲得(de)準確(que)的匹配以(yi)(yi)及不(bu)影(ying)(ying)響(xiang)環保。
當齒(chi)輪(lun)(lun)油(you)(you)泵(beng)積極主(zhu)動(dong)(dong)傳動(dong)(dong)齒(chi)輪(lun)(lun)旋轉,吸油(you)(you)腔(qiang)傳動(dong)(dong)齒(chi)輪(lun)(lun)松(song)脫嚙合,傳動(dong)(dong)齒(chi)輪(lun)(lun)的(de)傳動(dong)(dong)齒(chi)輪(lun)(lun)推出齒(chi)間,使密閉容積擴(kuo)大,產生局(ju)部(bu)性真空,汽車油(you)(you)箱中的(de)液壓(ya)油(you)(you)在外部(bu)大氣壓(ya)的(de)的(de)作用下,經(jing)吸輸(shu)油(you)(you)管路、吸油(you)(you)腔(qiang)進到齒(chi)間。伴(ban)隨著傳動(dong)(dong)齒(chi)輪(lun)(lun)旋轉,吸入齒(chi)間的(de)液壓(ya)油(you)(you)被(bei)送到另一(yi)邊,進到壓(ya)油(you)(you)腔(qiang)。
這也是傳動齒輪進到嚙(nie)合,使(shi)密(mi)閉(bi)性漸(jian)漸(jian)縮減,傳(chuan)(chuan)動(dong)(dong)齒(chi)輪(lun)間部份(fen)的液(ye)壓(ya)油(you)(you)被擠(ji)出來,產生(sheng)了傳(chuan)(chuan)動(dong)(dong)齒(chi)輪(lun)的壓(ya)油(you)(you)全過程。齒(chi)輪(lun)嚙(nie)合時(shi)齒(chi)向(xiang)接觸線把吸(xi)油(you)(you)腔和壓(ya)油(you)(you)腔分(fen)開,起配油(you)(you)的作(zuo)用(yong)。當齒(chi)輪(lun)油(you)(you)泵的積(ji)極主動(dong)(dong)傳(chuan)(chuan)動(dong)(dong)齒(chi)輪(lun)有電動(dong)(dong)機帶動(dong)(dong)連續不(bu)斷(duan)旋轉時(shi),傳(chuan)(chuan)動(dong)(dong)齒(chi)輪(lun)松脫嚙(nie)合一邊,因(yin)為密(mi)閉(bi)容積(ji)增大,則連續不(bu)斷(duan)從(cong)汽車(che)油(you)(you)箱(xiang)中吸(xi)油(you)(you),傳(chuan)(chuan)動(dong)(dong)齒(chi)輪(lun)進到嚙(nie)合的一邊,因(yin)為密(mi)閉(bi)容積(ji)縮減則不(bu)斷(duan)排油(you)(you),產生(sheng)一個(ge)連續不(bu)斷(duan)循(xun)環的全過程。
齒(chi)(chi)輪(lun)(lun)油(you)泵(beng)在(zai)泵(beng)殼中(zhong)配有一(yi)(yi)對旋(xuan)轉傳動(dong)齒(chi)(chi)輪(lun)(lun),一(yi)(yi)個積極(ji)主(zhu)動(dong),一(yi)(yi)個處(chu)于被(bei)(bei)動(dong),依靠兩(liang)傳動(dong)齒(chi)(chi)輪(lun)(lun)的(de)(de)互相嚙合,把泵(beng)內(nei)的(de)(de)整體工(gong)作腔(qiang)(qiang)分2個獨立的(de)(de)部份。A為(wei)吸(xi)入(ru)腔(qiang)(qiang),B為(wei)排(pai)(pai)(pai)出(chu)來腔(qiang)(qiang)。齒(chi)(chi)輪(lun)(lun)油(you)泵(beng)在(zai)運行時(shi)(shi)積極(ji)主(zhu)動(dong)傳動(dong)齒(chi)(chi)輪(lun)(lun)帶動(dong)處(chu)于被(bei)(bei)動(dong)傳動(dong)齒(chi)(chi)輪(lun)(lun)旋(xuan)轉,當傳動(dong)齒(chi)(chi)輪(lun)(lun)從嚙合到(dao)松(song)脫時(shi)(shi)在(zai)吸(xi)入(ru)側A就產生(sheng)局部性真空,液態(tai)被(bei)(bei)吸(xi)入(ru)。被(bei)(bei)吸(xi)入(ru)的(de)(de)液態(tai)充滿傳動(dong)齒(chi)(chi)輪(lun)(lun)的(de)(de)各個齒(chi)(chi)谷而送到(dao)排(pai)(pai)(pai)出(chu)來側B,傳動(dong)齒(chi)(chi)輪(lun)(lun)進到(dao)嚙合時(shi)(shi)液態(tai)被(bei)(bei)擠出(chu)來,產生(sheng)高壓液態(tai)并經泵(beng)排(pai)(pai)(pai)出(chu)口排(pai)(pai)(pai)出(chu)來泵(beng)外。