氣門挺桿。氣門挺桿的作用如下:
1、為了保證氣門關閉嚴密,會在氣門桿端與氣門驅動件之間留有適當的間隙,稱為氣門間隙;
2、若氣門間隙調整不當就會使發動機運行不正常的,過大會影響氣門的開啟量,氣門升程減少引起進氣不足,排氣不徹底,過小會引起氣門關閉不嚴引起漏氣,造成動力下降;
3、所以為了避免氣門間隙調整不當引起的麻煩,一般高速發動機上都會使用可自行調整氣門間隙的液力挺桿。
汽(qi)車(che)的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)相當(dang)于汽(qi)車(che)的(de)(de)(de)(de)(de)(de)心(xin)臟。發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)故(gu)障(zhang)也(ye)(ye)是(shi)困(kun)擾車(che)友的(de)(de)(de)(de)(de)(de)問題,氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)(ting)桿(gan)是(shi)發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)的(de)(de)(de)(de)(de)(de)重要(yao)部件。接下來就讓(rang)典邦給(gei)大家介紹(shao)一(yi)下氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)(ting)桿(gan)的(de)(de)(de)(de)(de)(de)作用(yong)(yong)(yong)(yong)吧(ba)!氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)(ting)桿(gan)的(de)(de)(de)(de)(de)(de)功(gong)(gong)能,氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)(ting)桿(gan)簡介-功(gong)(gong)能也(ye)(ye)是(shi)用(yong)(yong)(yong)(yong)于推動(dong)氣(qi)(qi)(qi)門(men)(men)打開的(de)(de)(de)(de)(de)(de)裝置。因(yin)為早期發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)中使用(yong)(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)這種裝置形狀像一(yi)根細桿(gan),所以(yi)被稱(cheng)為氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)(ting)桿(gan)。它的(de)(de)(de)(de)(de)(de)主要(yao)功(gong)(gong)能是(shi)將凸(tu)輪(lun)的(de)(de)(de)(de)(de)(de)旋(xuan)轉運(yun)(yun)動(dong)轉化(hua)為往復運(yun)(yun)動(dong)。但這種結構的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)凸(tu)輪(lun)軸一(yi)般不(bu)布置在發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)頂部。隨著(zhu)現(xian)代汽(qi)車(che)發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)技術的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)展(zhan),越(yue)來越(yue)多的(de)(de)(de)(de)(de)(de)汽(qi)車(che)發(fa)(fa)(fa)(fa)動(dong)機(ji)(ji)采(cai)用(yong)(yong)(yong)(yong)頂置凸(tu)輪(lun)軸結構,其中傳統的(de)(de)(de)(de)(de)(de)長氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)(ting)柱(zhu)(zhu)(zhu)基本(ben)取消,取而代之的(de)(de)(de)(de)(de)(de)是(shi)由凸(tu)輪(lun)軸驅動(dong)的(de)(de)(de)(de)(de)(de)更加緊湊(cou)的(de)(de)(de)(de)(de)(de)液(ye)(ye)壓(ya)(ya)(ya)挺(ting)(ting)(ting)(ting)柱(zhu)(zhu)(zhu),或者(zhe)凸(tu)輪(lun)軸直接驅動(dong)氣(qi)(qi)(qi)門(men)(men)搖臂來控(kong)制氣(qi)(qi)(qi)門(men)(men)的(de)(de)(de)(de)(de)(de)開閉。液(ye)(ye)壓(ya)(ya)(ya)杠桿(gan)主要(yao)由柱(zhu)(zhu)(zhu)塞、單(dan)向閥和(he)單(dan)向閥彈簧(huang)組(zu)成(cheng)。液(ye)(ye)壓(ya)(ya)(ya)桿(gan)始終與(yu)凸(tu)輪(lun)軸接觸,并(bing)且無間隙(xi)運(yun)(yun)行。在挺(ting)(ting)(ting)(ting)桿(gan)內部,液(ye)(ye)壓(ya)(ya)(ya)用(yong)(yong)(yong)(yong)于調整間隙(xi)。液(ye)(ye)壓(ya)(ya)(ya)挺(ting)(ting)(ting)(ting)柱(zhu)(zhu)(zhu)主要(yao)由柱(zhu)(zhu)(zhu)塞、單(dan)向閥和(he)單(dan)向閥彈簧(huang)組(zu)成(cheng)。止回閥用(yong)(yong)(yong)(yong)于儲存或釋(shi)放油。通(tong)過(guo)改(gai)變(bian)挺(ting)(ting)(ting)(ting)柱(zhu)(zhu)(zhu)腔內的(de)(de)(de)(de)(de)(de)油壓(ya)(ya)(ya),可以(yi)改(gai)變(bian)液(ye)(ye)壓(ya)(ya)(ya)挺(ting)(ting)(ting)(ting)柱(zhu)(zhu)(zhu)的(de)(de)(de)(de)(de)(de)工(gong)作長度,從(cong)而自動(dong)調整氣(qi)(qi)(qi)門(men)(men)間隙(xi)。
東南三菱翼神(shen)整車造型(xing)時尚動(dong)感,線條硬朗,前臉造型(xing)運動(dong)范(fan)兒十足,尾(wei)部設計協調(diao)(diao),網(wang)友稱贊外觀很霸氣,適合(he)年輕人駕駛之(zhi)車。內飾配置不(bu)錯,中控臺(tai)簡(jian)潔,顏色搭配合(he)理;空調(diao)(diao)制(zhi)冷(leng)效果不(bu)錯;雖然用料和(he)做工有所(suo)提升,但細節仍(reng)顯粗糙。
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