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)發動(dong)(dong)(dong)(dong)機相當于(yu)汽(qi)車(che)的(de)(de)(de)(de)(de)心(xin)臟。發動(dong)(dong)(dong)(dong)機故障也(ye)是(shi)(shi)困擾車(che)友(you)的(de)(de)(de)(de)(de)問(wen)題,氣(qi)門(men)(men)(men)(men)挺(ting)(ting)桿(gan)(gan)(gan)是(shi)(shi)發動(dong)(dong)(dong)(dong)機的(de)(de)(de)(de)(de)重要(yao)部件。接下來(lai)(lai)就讓典(dian)邦給(gei)大家介紹一(yi)下氣(qi)門(men)(men)(men)(men)挺(ting)(ting)桿(gan)(gan)(gan)的(de)(de)(de)(de)(de)作用(yong)(yong)(yong)吧!氣(qi)門(men)(men)(men)(men)挺(ting)(ting)桿(gan)(gan)(gan)的(de)(de)(de)(de)(de)功能,氣(qi)門(men)(men)(men)(men)挺(ting)(ting)桿(gan)(gan)(gan)簡介-功能也(ye)是(shi)(shi)用(yong)(yong)(yong)于(yu)推動(dong)(dong)(dong)(dong)氣(qi)門(men)(men)(men)(men)打開的(de)(de)(de)(de)(de)裝置。因為早期發動(dong)(dong)(dong)(dong)機中使用(yong)(yong)(yong)的(de)(de)(de)(de)(de)這(zhe)(zhe)種裝置形狀像一(yi)根(gen)細桿(gan)(gan)(gan),所以被稱為氣(qi)門(men)(men)(men)(men)挺(ting)(ting)桿(gan)(gan)(gan)。它的(de)(de)(de)(de)(de)主要(yao)功能是(shi)(shi)將凸(tu)(tu)輪(lun)(lun)的(de)(de)(de)(de)(de)旋(xuan)轉(zhuan)運(yun)動(dong)(dong)(dong)(dong)轉(zhuan)化(hua)為往復運(yun)動(dong)(dong)(dong)(dong)。但這(zhe)(zhe)種結(jie)構的(de)(de)(de)(de)(de)發動(dong)(dong)(dong)(dong)機凸(tu)(tu)輪(lun)(lun)軸一(yi)般(ban)不(bu)布置在發動(dong)(dong)(dong)(dong)機頂(ding)部。隨著現代汽(qi)車(che)發動(dong)(dong)(dong)(dong)機技(ji)術的(de)(de)(de)(de)(de)發展,越來(lai)(lai)越多的(de)(de)(de)(de)(de)汽(qi)車(che)發動(dong)(dong)(dong)(dong)機采用(yong)(yong)(yong)頂(ding)置凸(tu)(tu)輪(lun)(lun)軸結(jie)構,其中傳統的(de)(de)(de)(de)(de)長氣(qi)門(men)(men)(men)(men)挺(ting)(ting)柱基本(ben)取消,取而(er)代之的(de)(de)(de)(de)(de)是(shi)(shi)由凸(tu)(tu)輪(lun)(lun)軸驅動(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)更加(jia)緊湊的(de)(de)(de)(de)(de)液壓挺(ting)(ting)柱,或者凸(tu)(tu)輪(lun)(lun)軸直接驅動(dong)(dong)(dong)(dong)氣(qi)門(men)(men)(men)(men)搖臂來(lai)(lai)控制氣(qi)門(men)(men)(men)(men)的(de)(de)(de)(de)(de)開閉。液壓杠(gang)桿(gan)(gan)(gan)主要(yao)由柱塞、單向(xiang)閥(fa)和單向(xiang)閥(fa)彈簧組(zu)成。液壓桿(gan)(gan)(gan)始(shi)終與凸(tu)(tu)輪(lun)(lun)軸接觸,并且無間(jian)隙運(yun)行。在挺(ting)(ting)桿(gan)(gan)(gan)內部,液壓用(yong)(yong)(yong)于(yu)調整間(jian)隙。液壓挺(ting)(ting)柱主要(yao)由柱塞、單向(xiang)閥(fa)和單向(xiang)閥(fa)彈簧組(zu)成。止回閥(fa)用(yong)(yong)(yong)于(yu)儲存(cun)或釋放油(you)。通過改變(bian)挺(ting)(ting)柱腔內的(de)(de)(de)(de)(de)油(you)壓,可以改變(bian)液壓挺(ting)(ting)柱的(de)(de)(de)(de)(de)工作長度(du),從而(er)自(zi)動(dong)(dong)(dong)(dong)調整氣(qi)門(men)(men)(men)(men)間(jian)隙。
奔(ben)騰T33在8月3日正(zheng)式(shi)上(shang)市,截(jie)止9月初(chu),在不到一個月的(de)(de)時間里,它就(jiu)斬獲了兩千多輛的(de)(de)銷量佳(jia)績,還受到了眾多車主極(ji)高的(de)(de)使用評價。
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