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。
汽(qi)車(che)的(de)(de)(de)(de)(de)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)相當于(yu)(yu)(yu)汽(qi)車(che)的(de)(de)(de)(de)(de)心臟。發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)故障也是(shi)困擾(rao)車(che)友的(de)(de)(de)(de)(de)問題,氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)挺(ting)桿(gan)是(shi)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)的(de)(de)(de)(de)(de)重(zhong)要部件。接下(xia)來就讓典邦給大(da)家介紹一(yi)下(xia)氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)挺(ting)桿(gan)的(de)(de)(de)(de)(de)作(zuo)用(yong)吧(ba)!氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)挺(ting)桿(gan)的(de)(de)(de)(de)(de)功能,氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)挺(ting)桿(gan)簡介-功能也是(shi)用(yong)于(yu)(yu)(yu)推動(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)打開的(de)(de)(de)(de)(de)裝置(zhi)。因為早期發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)中(zhong)(zhong)使用(yong)的(de)(de)(de)(de)(de)這(zhe)種裝置(zhi)形狀像一(yi)根細桿(gan),所以被(bei)稱(cheng)為氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)挺(ting)桿(gan)。它的(de)(de)(de)(de)(de)主要功能是(shi)將凸(tu)(tu)輪(lun)的(de)(de)(de)(de)(de)旋轉(zhuan)運(yun)動(dong)(dong)(dong)轉(zhuan)化(hua)為往復運(yun)動(dong)(dong)(dong)。但這(zhe)種結構的(de)(de)(de)(de)(de)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)凸(tu)(tu)輪(lun)軸一(yi)般不布置(zhi)在發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)頂(ding)部。隨著(zhu)現代(dai)(dai)汽(qi)車(che)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)技術的(de)(de)(de)(de)(de)發(fa)展,越來越多的(de)(de)(de)(de)(de)汽(qi)車(che)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)采用(yong)頂(ding)置(zhi)凸(tu)(tu)輪(lun)軸結構,其中(zhong)(zhong)傳統(tong)的(de)(de)(de)(de)(de)長(chang)(chang)氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)挺(ting)柱(zhu)(zhu)基本取消,取而(er)代(dai)(dai)之的(de)(de)(de)(de)(de)是(shi)由(you)凸(tu)(tu)輪(lun)軸驅動(dong)(dong)(dong)的(de)(de)(de)(de)(de)更加緊湊的(de)(de)(de)(de)(de)液壓(ya)(ya)挺(ting)柱(zhu)(zhu),或(huo)者凸(tu)(tu)輪(lun)軸直接驅動(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)搖(yao)臂來控制氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)的(de)(de)(de)(de)(de)開閉。液壓(ya)(ya)杠桿(gan)主要由(you)柱(zhu)(zhu)塞、單向(xiang)(xiang)閥和(he)單向(xiang)(xiang)閥彈(dan)簧(huang)組(zu)成。液壓(ya)(ya)桿(gan)始終與(yu)凸(tu)(tu)輪(lun)軸接觸,并且無間(jian)隙運(yun)行。在挺(ting)桿(gan)內部,液壓(ya)(ya)用(yong)于(yu)(yu)(yu)調整(zheng)間(jian)隙。液壓(ya)(ya)挺(ting)柱(zhu)(zhu)主要由(you)柱(zhu)(zhu)塞、單向(xiang)(xiang)閥和(he)單向(xiang)(xiang)閥彈(dan)簧(huang)組(zu)成。止(zhi)回閥用(yong)于(yu)(yu)(yu)儲存或(huo)釋放油。通過(guo)改變挺(ting)柱(zhu)(zhu)腔內的(de)(de)(de)(de)(de)油壓(ya)(ya),可以改變液壓(ya)(ya)挺(ting)柱(zhu)(zhu)的(de)(de)(de)(de)(de)工作(zuo)長(chang)(chang)度,從而(er)自動(dong)(dong)(dong)調整(zheng)氣(qi)(qi)(qi)門(men)(men)(men)(men)(men)間(jian)隙。
圣(sheng)達菲(fei)是華泰旗下的一款SUV車型,,柴(chai)油(you)(you)版(ban)(ban)與汽油(you)(you)版(ban)(ban)圣(sheng)達菲(fei)最(zui)大限度秉(bing)承了(le)(le)圣(sheng)達菲(fei)各種經典元素,不同之處在于為2.0升柴(chai)油(you)(you)版(ban)(ban)采(cai)用了(le)(le)世界上最(zui)先進的柴(chai)油(you)(you)發(fa)動(dong)機技術(shu)——CRDi高壓共(gong)軌柴(chai)油(you)(you)直噴發(fa)動(dong)機系統與VGT可(ke)變截面渦(wo)輪增壓系統,另外,華泰圣(sheng)達菲(fei)還提(ti)供了(le)(le)許多人性化的設計,
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