狼群视频在线

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(qi)車的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)相當(dang)于(yu)汽(qi)車的(de)(de)(de)(de)(de)(de)心臟。發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)故(gu)障(zhang)也(ye)是(shi)困擾車友的(de)(de)(de)(de)(de)(de)問題，氣門(men)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)桿(gan)(gan)(gan)(gan)是(shi)發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)的(de)(de)(de)(de)(de)(de)重要(yao)部件。接下來就(jiu)讓典邦給大家介紹一(yi)下氣門(men)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)桿(gan)(gan)(gan)(gan)的(de)(de)(de)(de)(de)(de)作用(yong)吧！氣門(men)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)桿(gan)(gan)(gan)(gan)的(de)(de)(de)(de)(de)(de)功(gong)能(neng)(neng)，氣門(men)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)桿(gan)(gan)(gan)(gan)簡介-功(gong)能(neng)(neng)也(ye)是(shi)用(yong)于(yu)推(tui)動(dong)(dong)(dong)(dong)氣門(men)打開的(de)(de)(de)(de)(de)(de)裝(zhuang)置(zhi)(zhi)。因為早期發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)中(zhong)使用(yong)的(de)(de)(de)(de)(de)(de)這種裝(zhuang)置(zhi)(zhi)形狀像一(yi)根細桿(gan)(gan)(gan)(gan)，所以被稱(cheng)為氣門(men)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)桿(gan)(gan)(gan)(gan)。它的(de)(de)(de)(de)(de)(de)主(zhu)要(yao)功(gong)能(neng)(neng)是(shi)將(jiang)凸(tu)(tu)輪(lun)(lun)的(de)(de)(de)(de)(de)(de)旋轉運(yun)動(dong)(dong)(dong)(dong)轉化(hua)為往復運(yun)動(dong)(dong)(dong)(dong)。但這種結構的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)凸(tu)(tu)輪(lun)(lun)軸一(yi)般不布(bu)置(zhi)(zhi)在發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)頂部。隨著現代汽(qi)車發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)技術的(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)(fa)展(zhan)，越來越多的(de)(de)(de)(de)(de)(de)汽(qi)車發(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)機(ji)采用(yong)頂置(zhi)(zhi)凸(tu)(tu)輪(lun)(lun)軸結構，其中(zhong)傳統(tong)的(de)(de)(de)(de)(de)(de)長(chang)(chang)氣門(men)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)柱基本取(qu)消，取(qu)而代之的(de)(de)(de)(de)(de)(de)是(shi)由(you)凸(tu)(tu)輪(lun)(lun)軸驅(qu)動(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)更加緊(jin)湊(cou)的(de)(de)(de)(de)(de)(de)液(ye)(ye)(ye)(ye)(ye)壓(ya)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)柱，或者凸(tu)(tu)輪(lun)(lun)軸直接驅(qu)動(dong)(dong)(dong)(dong)氣門(men)搖臂(bei)來控(kong)制(zhi)氣門(men)的(de)(de)(de)(de)(de)(de)開閉。液(ye)(ye)(ye)(ye)(ye)壓(ya)杠桿(gan)(gan)(gan)(gan)主(zhu)要(yao)由(you)柱塞(sai)、單向(xiang)閥(fa)和(he)單向(xiang)閥(fa)彈(dan)簧(huang)組(zu)成。液(ye)(ye)(ye)(ye)(ye)壓(ya)桿(gan)(gan)(gan)(gan)始(shi)終(zhong)與凸(tu)(tu)輪(lun)(lun)軸接觸，并(bing)且無(wu)間隙運(yun)行。在挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)桿(gan)(gan)(gan)(gan)內(nei)部，液(ye)(ye)(ye)(ye)(ye)壓(ya)用(yong)于(yu)調(diao)整(zheng)間隙。液(ye)(ye)(ye)(ye)(ye)壓(ya)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)柱主(zhu)要(yao)由(you)柱塞(sai)、單向(xiang)閥(fa)和(he)單向(xiang)閥(fa)彈(dan)簧(huang)組(zu)成。止回閥(fa)用(yong)于(yu)儲存(cun)或釋放油。通過改(gai)變(bian)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)柱腔(qiang)內(nei)的(de)(de)(de)(de)(de)(de)油壓(ya)，可以改(gai)變(bian)液(ye)(ye)(ye)(ye)(ye)壓(ya)挺(ting)(ting)(ting)(ting)(ting)(ting)(ting)(ting)柱的(de)(de)(de)(de)(de)(de)工(gong)作長(chang)(chang)度(du)，從而自動(dong)(dong)(dong)(dong)調(diao)整(zheng)氣門(men)間隙。

寶馬528Li簡介

全新寶馬5系軸距達到(dao)3108mm；表現超過全新E級長軸版，基本和上代(dai)5系持平(ping)。前(qian)、后排由于(yu)寬敞的(de)乘坐體驗，舒適(shi)度(du)(du)較高。車內常規儲物設計比老款車型(xing)有所進(jin)步，豐富度(du)(du)和實用性(xing)不錯。