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)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)相當于(yu)(yu)汽(qi)車的(de)(de)(de)心臟(zang)。發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)故障(zhang)也(ye)是(shi)困擾車友的(de)(de)(de)問(wen)題，氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿(gan)是(shi)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)(de)重要(yao)部(bu)件。接(jie)下(xia)(xia)來(lai)(lai)就讓典邦給大家介紹一(yi)下(xia)(xia)氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿(gan)的(de)(de)(de)作用(yong)(yong)(yong)吧！氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿(gan)的(de)(de)(de)功(gong)能(neng)(neng)，氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿(gan)簡介-功(gong)能(neng)(neng)也(ye)是(shi)用(yong)(yong)(yong)于(yu)(yu)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)打開的(de)(de)(de)裝置(zhi)。因為早期(qi)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)中使(shi)用(yong)(yong)(yong)的(de)(de)(de)這(zhe)種(zhong)裝置(zhi)形狀像(xiang)一(yi)根細桿(gan)，所以被稱為氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿(gan)。它(ta)的(de)(de)(de)主要(yao)功(gong)能(neng)(neng)是(shi)將凸輪(lun)的(de)(de)(de)旋轉(zhuan)運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)化(hua)為往復運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)。但這(zhe)種(zhong)結構(gou)的(de)(de)(de)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)凸輪(lun)軸一(yi)般不布置(zhi)在發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)頂(ding)(ding)部(bu)。隨著現(xian)代(dai)汽(qi)車發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)技術的(de)(de)(de)發(fa)(fa)展，越(yue)來(lai)(lai)越(yue)多的(de)(de)(de)汽(qi)車發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)采用(yong)(yong)(yong)頂(ding)(ding)置(zhi)凸輪(lun)軸結構(gou)，其中傳(chuan)統的(de)(de)(de)長氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)柱(zhu)基本取消，取而代(dai)之的(de)(de)(de)是(shi)由凸輪(lun)軸驅動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)更加緊(jin)湊(cou)的(de)(de)(de)液(ye)(ye)壓(ya)(ya)(ya)挺(ting)(ting)柱(zhu)，或者(zhe)凸輪(lun)軸直接(jie)驅動(dong)(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)搖臂來(lai)(lai)控(kong)制(zhi)氣(qi)(qi)(qi)門(men)(men)的(de)(de)(de)開閉。液(ye)(ye)壓(ya)(ya)(ya)杠桿(gan)主要(yao)由柱(zhu)塞、單向閥(fa)(fa)和單向閥(fa)(fa)彈簧(huang)組(zu)成。液(ye)(ye)壓(ya)(ya)(ya)桿(gan)始終與凸輪(lun)軸接(jie)觸(chu)，并且無間(jian)隙運(yun)行。在挺(ting)(ting)桿(gan)內部(bu)，液(ye)(ye)壓(ya)(ya)(ya)用(yong)(yong)(yong)于(yu)(yu)調整間(jian)隙。液(ye)(ye)壓(ya)(ya)(ya)挺(ting)(ting)柱(zhu)主要(yao)由柱(zhu)塞、單向閥(fa)(fa)和單向閥(fa)(fa)彈簧(huang)組(zu)成。止回閥(fa)(fa)用(yong)(yong)(yong)于(yu)(yu)儲(chu)存或釋放油。通過改(gai)變挺(ting)(ting)柱(zhu)腔內的(de)(de)(de)油壓(ya)(ya)(ya)，可以改(gai)變液(ye)(ye)壓(ya)(ya)(ya)挺(ting)(ting)柱(zhu)的(de)(de)(de)工作長度(du)，從而自動(dong)(dong)(dong)(dong)(dong)(dong)(dong)調整氣(qi)(qi)(qi)門(men)(men)間(jian)隙。

凱旋簡介

凱(kai)旋(xuan)(xuan)是(shi)一(yi)款(kuan)全新的(de)(de)四門三廂轎車，嚴格(ge)按照雪(xue)鐵龍的(de)(de)國際標準設計，完全符(fu)合歐洲最(zui)新的(de)(de)質(zhi)(zhi)量要(yao)求。秉承了雪(xue)鐵龍悠久的(de)(de)品(pin)牌(pai)價值，同時也融合了最(zui)新的(de)(de)歐洲設計趨勢和雪(xue)鐵龍最(zui)新的(de)(de)專(zhuan)利技術。凱(kai)旋(xuan)(xuan)具備高級商(shang)務轎車才具有的(de)(de)創(chuang)新科技和舒(shu)適配備。凱(kai)旋(xuan)(xuan)在造型、安(an)全、舒(shu)適、操控(kong)感以及品(pin)質(zhi)(zhi)等諸多方面將成為中高級轎車的(de)(de)標桿。