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

汽車(che)的(de)(de)(de)發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機相當于(yu)汽車(che)的(de)(de)(de)心臟。發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機故(gu)障也(ye)是困擾(rao)車(che)友的(de)(de)(de)問(wen)題，氣(qi)(qi)(qi)門(men)(men)(men)(men)挺(ting)(ting)(ting)桿(gan)是發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機的(de)(de)(de)重要(yao)部件。接下(xia)來(lai)(lai)就(jiu)讓(rang)典(dian)邦給大家介紹一下(xia)氣(qi)(qi)(qi)門(men)(men)(men)(men)挺(ting)(ting)(ting)桿(gan)的(de)(de)(de)作用吧！氣(qi)(qi)(qi)門(men)(men)(men)(men)挺(ting)(ting)(ting)桿(gan)的(de)(de)(de)功能(neng)，氣(qi)(qi)(qi)門(men)(men)(men)(men)挺(ting)(ting)(ting)桿(gan)簡介-功能(neng)也(ye)是用于(yu)推(tui)動(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)(men)(men)打開(kai)的(de)(de)(de)裝置(zhi)。因為早期發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機中使(shi)用的(de)(de)(de)這種裝置(zhi)形狀像一根細桿(gan)，所以被稱為氣(qi)(qi)(qi)門(men)(men)(men)(men)挺(ting)(ting)(ting)桿(gan)。它的(de)(de)(de)主要(yao)功能(neng)是將凸輪的(de)(de)(de)旋轉(zhuan)運動(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)化為往復運動(dong)(dong)(dong)(dong)(dong)(dong)。但(dan)這種結構的(de)(de)(de)發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機凸輪軸(zhou)一般不(bu)布置(zhi)在發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機頂(ding)部。隨著(zhu)現(xian)代汽車(che)發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機技術的(de)(de)(de)發(fa)展，越(yue)來(lai)(lai)越(yue)多的(de)(de)(de)汽車(che)發(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機采用頂(ding)置(zhi)凸輪軸(zhou)結構，其中傳統的(de)(de)(de)長(chang)(chang)氣(qi)(qi)(qi)門(men)(men)(men)(men)挺(ting)(ting)(ting)柱基本(ben)取(qu)消，取(qu)而代之的(de)(de)(de)是由(you)凸輪軸(zhou)驅動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)更加緊湊(cou)的(de)(de)(de)液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱，或(huo)者凸輪軸(zhou)直接驅動(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)(men)(men)搖(yao)臂來(lai)(lai)控制氣(qi)(qi)(qi)門(men)(men)(men)(men)的(de)(de)(de)開(kai)閉。液(ye)壓(ya)(ya)杠桿(gan)主要(yao)由(you)柱塞、單(dan)向(xiang)閥(fa)和單(dan)向(xiang)閥(fa)彈簧組成。液(ye)壓(ya)(ya)桿(gan)始終與凸輪軸(zhou)接觸，并(bing)且(qie)無間(jian)隙運行。在挺(ting)(ting)(ting)桿(gan)內部，液(ye)壓(ya)(ya)用于(yu)調(diao)整間(jian)隙。液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱主要(yao)由(you)柱塞、單(dan)向(xiang)閥(fa)和單(dan)向(xiang)閥(fa)彈簧組成。止(zhi)回閥(fa)用于(yu)儲存或(huo)釋放油。通過(guo)改變(bian)挺(ting)(ting)(ting)柱腔內的(de)(de)(de)油壓(ya)(ya)，可以改變(bian)液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱的(de)(de)(de)工作長(chang)(chang)度，從而自動(dong)(dong)(dong)(dong)(dong)(dong)調(diao)整氣(qi)(qi)(qi)門(men)(men)(men)(men)間(jian)隙。

豐田MR2(進口)簡介

MR2是豐(feng)田公司為21世紀開發的(de)新車型(xing)，是典型(xing)的(de)青年人酷愛(ai)的(de)運(yun)動型(xing)小車。該車既繼承(cheng)了敞(chang)篷跑(pao)車的(de)傳統風格，又力求(qiu)新意。因(yin)此擁有敏銳的(de)轉(zhuan)向反應(ying)，其實力絕(jue)對(dui)不容忽視。