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(che)的(de)(de)(de)發動(dong)(dong)(dong)(dong)(dong)(dong)機相當于(yu)(yu)(yu)汽(qi)車(che)的(de)(de)(de)心(xin)臟。發動(dong)(dong)(dong)(dong)(dong)(dong)機故(gu)障也(ye)是(shi)困(kun)擾車(che)友的(de)(de)(de)問(wen)題，氣門(men)(men)挺(ting)(ting)(ting)桿(gan)是(shi)發動(dong)(dong)(dong)(dong)(dong)(dong)機的(de)(de)(de)重要(yao)部(bu)件。接下來(lai)就讓典(dian)邦(bang)給(gei)大家介紹(shao)一下氣門(men)(men)挺(ting)(ting)(ting)桿(gan)的(de)(de)(de)作(zuo)用(yong)吧！氣門(men)(men)挺(ting)(ting)(ting)桿(gan)的(de)(de)(de)功(gong)(gong)能，氣門(men)(men)挺(ting)(ting)(ting)桿(gan)簡(jian)介-功(gong)(gong)能也(ye)是(shi)用(yong)于(yu)(yu)(yu)推動(dong)(dong)(dong)(dong)(dong)(dong)氣門(men)(men)打開的(de)(de)(de)裝置(zhi)。因(yin)為(wei)早期發動(dong)(dong)(dong)(dong)(dong)(dong)機中(zhong)使(shi)用(yong)的(de)(de)(de)這種裝置(zhi)形狀像一根細桿(gan)，所以被(bei)稱為(wei)氣門(men)(men)挺(ting)(ting)(ting)桿(gan)。它的(de)(de)(de)主要(yao)功(gong)(gong)能是(shi)將凸(tu)輪(lun)的(de)(de)(de)旋(xuan)轉運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)轉化為(wei)往(wang)復運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)。但這種結(jie)構(gou)的(de)(de)(de)發動(dong)(dong)(dong)(dong)(dong)(dong)機凸(tu)輪(lun)軸(zhou)(zhou)一般不布置(zhi)在發動(dong)(dong)(dong)(dong)(dong)(dong)機頂(ding)部(bu)。隨著(zhu)現(xian)代汽(qi)車(che)發動(dong)(dong)(dong)(dong)(dong)(dong)機技(ji)術的(de)(de)(de)發展，越來(lai)越多的(de)(de)(de)汽(qi)車(che)發動(dong)(dong)(dong)(dong)(dong)(dong)機采用(yong)頂(ding)置(zhi)凸(tu)輪(lun)軸(zhou)(zhou)結(jie)構(gou)，其中(zhong)傳(chuan)統的(de)(de)(de)長(chang)氣門(men)(men)挺(ting)(ting)(ting)柱(zhu)(zhu)基本取(qu)消，取(qu)而(er)代之的(de)(de)(de)是(shi)由凸(tu)輪(lun)軸(zhou)(zhou)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)更加緊湊的(de)(de)(de)液(ye)(ye)壓(ya)挺(ting)(ting)(ting)柱(zhu)(zhu)，或者(zhe)凸(tu)輪(lun)軸(zhou)(zhou)直接驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)氣門(men)(men)搖臂來(lai)控制氣門(men)(men)的(de)(de)(de)開閉。液(ye)(ye)壓(ya)杠桿(gan)主要(yao)由柱(zhu)(zhu)塞(sai)、單(dan)向閥(fa)和(he)單(dan)向閥(fa)彈簧(huang)組成。液(ye)(ye)壓(ya)桿(gan)始終與凸(tu)輪(lun)軸(zhou)(zhou)接觸(chu)，并且無間隙運(yun)行。在挺(ting)(ting)(ting)桿(gan)內(nei)部(bu)，液(ye)(ye)壓(ya)用(yong)于(yu)(yu)(yu)調(diao)整間隙。液(ye)(ye)壓(ya)挺(ting)(ting)(ting)柱(zhu)(zhu)主要(yao)由柱(zhu)(zhu)塞(sai)、單(dan)向閥(fa)和(he)單(dan)向閥(fa)彈簧(huang)組成。止回閥(fa)用(yong)于(yu)(yu)(yu)儲存或釋放油(you)。通過改變(bian)挺(ting)(ting)(ting)柱(zhu)(zhu)腔內(nei)的(de)(de)(de)油(you)壓(ya)，可以改變(bian)液(ye)(ye)壓(ya)挺(ting)(ting)(ting)柱(zhu)(zhu)的(de)(de)(de)工作(zuo)長(chang)度(du)，從而(er)自動(dong)(dong)(dong)(dong)(dong)(dong)調(diao)整氣門(men)(men)間隙。

東風御風簡介

2012年6月19日，東風汽車旗下(xia)東(dong)風(feng)(feng)御風(feng)(feng)商(shang)用車(che)正式上市(shi)(shi)，近年來(lai)隨著歐(ou)系(xi)輕客車(che)型種(zhong)類的(de)豐富，逐漸改變(bian)了日系(xi)輕客在市(shi)(shi)場份額中獨大的(de)局(ju)面(mian)。歐(ou)系(xi)輕客以其車(che)身(shen)尺寸及動力方(fang)面(mian)的(de)種(zhong)種(zhong)特點(dian)，完全(quan)可以勝滿(man)足客運、貨運、商(shang)務接待等多元化(hua)的(de)客戶需(xu)求(qiu)。而(er)東(dong)風(feng)(feng)此次推(tui)出(chu)的(de)這(zhe)款御風(feng)(feng)高端商(shang)用MPV，希望憑借(jie)產品的(de)自身(shen)優勢，在這(zhe)個競爭(zheng)激(ji)烈的(de)細分市(shi)(shi)場中站穩(wen)腳跟。