狼群影院

氣門挺桿簡介

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。

氣門挺桿的作用

汽車(che)的(de)(de)發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)相當于(yu)汽車(che)的(de)(de)心(xin)臟。發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)故障也是(shi)(shi)困擾車(che)友的(de)(de)問題，氣門(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)是(shi)(shi)發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)的(de)(de)重要(yao)(yao)(yao)部件。接(jie)下(xia)(xia)來就(jiu)讓(rang)典邦(bang)給大家介(jie)紹(shao)一(yi)(yi)下(xia)(xia)氣門(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)的(de)(de)作(zuo)用(yong)(yong)吧！氣門(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)的(de)(de)功(gong)能，氣門(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)簡介(jie)-功(gong)能也是(shi)(shi)用(yong)(yong)于(yu)推(tui)動(dong)(dong)(dong)(dong)氣門(men)打開的(de)(de)裝置。因為早期發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)中使(shi)用(yong)(yong)的(de)(de)這種裝置形狀像一(yi)(yi)根細桿(gan)(gan)(gan)，所(suo)以被(bei)稱為氣門(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)。它的(de)(de)主(zhu)要(yao)(yao)(yao)功(gong)能是(shi)(shi)將凸(tu)(tu)(tu)輪(lun)的(de)(de)旋轉運(yun)動(dong)(dong)(dong)(dong)轉化為往復運(yun)動(dong)(dong)(dong)(dong)。但這種結(jie)構的(de)(de)發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)凸(tu)(tu)(tu)輪(lun)軸(zhou)一(yi)(yi)般不布置在(zai)發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)頂部。隨著現(xian)代汽車(che)發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)技(ji)術的(de)(de)發(fa)(fa)展(zhan)，越來越多的(de)(de)汽車(che)發(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)采用(yong)(yong)頂置凸(tu)(tu)(tu)輪(lun)軸(zhou)結(jie)構，其(qi)中傳統的(de)(de)長氣門(men)挺(ting)(ting)(ting)柱(zhu)基(ji)本取(qu)消，取(qu)而代之(zhi)的(de)(de)是(shi)(shi)由凸(tu)(tu)(tu)輪(lun)軸(zhou)驅(qu)(qu)動(dong)(dong)(dong)(dong)的(de)(de)更加緊(jin)湊的(de)(de)液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱(zhu)，或(huo)者(zhe)凸(tu)(tu)(tu)輪(lun)軸(zhou)直接(jie)驅(qu)(qu)動(dong)(dong)(dong)(dong)氣門(men)搖臂來控制氣門(men)的(de)(de)開閉。液(ye)壓(ya)(ya)杠桿(gan)(gan)(gan)主(zhu)要(yao)(yao)(yao)由柱(zhu)塞、單向(xiang)閥和單向(xiang)閥彈簧組成(cheng)。液(ye)壓(ya)(ya)桿(gan)(gan)(gan)始終與凸(tu)(tu)(tu)輪(lun)軸(zhou)接(jie)觸，并且無間隙(xi)運(yun)行。在(zai)挺(ting)(ting)(ting)桿(gan)(gan)(gan)內部，液(ye)壓(ya)(ya)用(yong)(yong)于(yu)調整間隙(xi)。液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱(zhu)主(zhu)要(yao)(yao)(yao)由柱(zhu)塞、單向(xiang)閥和單向(xiang)閥彈簧組成(cheng)。止回閥用(yong)(yong)于(yu)儲存或(huo)釋放(fang)油(you)。通(tong)過改(gai)變(bian)挺(ting)(ting)(ting)柱(zhu)腔(qiang)內的(de)(de)油(you)壓(ya)(ya)，可(ke)以改(gai)變(bian)液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱(zhu)的(de)(de)工作(zuo)長度，從而自動(dong)(dong)(dong)(dong)調整氣門(men)間隙(xi)。

道奇Dart簡介

Dart是道(dao)奇旗下的(de)一款三廂轎車(che)。在(zai)本(ben)屆SEMA車(che)展上，道(dao)奇又為Dart追加了(le)一款GLH高性能概念(nian)車(che)。日后，該車(che)以Dart SRT的(de)身份投產