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)(qi)車的(de)(de)(de)(de)(de)發(fa)(fa)動(dong)(dong)(dong)機相當于(yu)汽(qi)(qi)車的(de)(de)(de)(de)(de)心臟。發(fa)(fa)動(dong)(dong)(dong)機故障也是(shi)困擾車友的(de)(de)(de)(de)(de)問(wen)題,氣(qi)(qi)門挺(ting)(ting)(ting)(ting)桿(gan)(gan)是(shi)發(fa)(fa)動(dong)(dong)(dong)機的(de)(de)(de)(de)(de)重(zhong)要(yao)部(bu)件。接下(xia)來(lai)就(jiu)讓(rang)典邦給(gei)大家介(jie)紹一下(xia)氣(qi)(qi)門挺(ting)(ting)(ting)(ting)桿(gan)(gan)的(de)(de)(de)(de)(de)作用(yong)吧!氣(qi)(qi)門挺(ting)(ting)(ting)(ting)桿(gan)(gan)的(de)(de)(de)(de)(de)功能,氣(qi)(qi)門挺(ting)(ting)(ting)(ting)桿(gan)(gan)簡介(jie)-功能也是(shi)用(yong)于(yu)推(tui)動(dong)(dong)(dong)氣(qi)(qi)門打開的(de)(de)(de)(de)(de)裝(zhuang)置。因(yin)為(wei)早期發(fa)(fa)動(dong)(dong)(dong)機中使(shi)用(yong)的(de)(de)(de)(de)(de)這種裝(zhuang)置形狀像一根細桿(gan)(gan),所以(yi)被稱為(wei)氣(qi)(qi)門挺(ting)(ting)(ting)(ting)桿(gan)(gan)。它的(de)(de)(de)(de)(de)主(zhu)要(yao)功能是(shi)將凸(tu)(tu)輪(lun)的(de)(de)(de)(de)(de)旋轉運(yun)(yun)動(dong)(dong)(dong)轉化為(wei)往復運(yun)(yun)動(dong)(dong)(dong)。但這種結(jie)構(gou)的(de)(de)(de)(de)(de)發(fa)(fa)動(dong)(dong)(dong)機凸(tu)(tu)輪(lun)軸(zhou)一般不布置在發(fa)(fa)動(dong)(dong)(dong)機頂部(bu)。隨著現(xian)代汽(qi)(qi)車發(fa)(fa)動(dong)(dong)(dong)機技術的(de)(de)(de)(de)(de)發(fa)(fa)展,越(yue)(yue)來(lai)越(yue)(yue)多的(de)(de)(de)(de)(de)汽(qi)(qi)車發(fa)(fa)動(dong)(dong)(dong)機采用(yong)頂置凸(tu)(tu)輪(lun)軸(zhou)結(jie)構(gou),其中傳統的(de)(de)(de)(de)(de)長(chang)氣(qi)(qi)門挺(ting)(ting)(ting)(ting)柱(zhu)基本取消,取而(er)代之的(de)(de)(de)(de)(de)是(shi)由凸(tu)(tu)輪(lun)軸(zhou)驅動(dong)(dong)(dong)的(de)(de)(de)(de)(de)更加緊湊(cou)的(de)(de)(de)(de)(de)液(ye)壓(ya)挺(ting)(ting)(ting)(ting)柱(zhu),或者凸(tu)(tu)輪(lun)軸(zhou)直接驅動(dong)(dong)(dong)氣(qi)(qi)門搖臂(bei)來(lai)控(kong)制(zhi)氣(qi)(qi)門的(de)(de)(de)(de)(de)開閉(bi)。液(ye)壓(ya)杠桿(gan)(gan)主(zhu)要(yao)由柱(zhu)塞、單(dan)向(xiang)閥和(he)單(dan)向(xiang)閥彈簧(huang)組(zu)成(cheng)。液(ye)壓(ya)桿(gan)(gan)始(shi)終與凸(tu)(tu)輪(lun)軸(zhou)接觸,并且無間(jian)隙運(yun)(yun)行。在挺(ting)(ting)(ting)(ting)桿(gan)(gan)內部(bu),液(ye)壓(ya)用(yong)于(yu)調整(zheng)間(jian)隙。液(ye)壓(ya)挺(ting)(ting)(ting)(ting)柱(zhu)主(zhu)要(yao)由柱(zhu)塞、單(dan)向(xiang)閥和(he)單(dan)向(xiang)閥彈簧(huang)組(zu)成(cheng)。止回閥用(yong)于(yu)儲(chu)存或釋(shi)放油。通過改變挺(ting)(ting)(ting)(ting)柱(zhu)腔內的(de)(de)(de)(de)(de)油壓(ya),可(ke)以(yi)改變液(ye)壓(ya)挺(ting)(ting)(ting)(ting)柱(zhu)的(de)(de)(de)(de)(de)工(gong)作長(chang)度,從而(er)自動(dong)(dong)(dong)調整(zheng)氣(qi)(qi)門間(jian)隙。
傳祺GA5新(xin)能(neng)源官方指導價:暫無,綜合(he)評分4.27,混動的,油耗非常低,高速7個左(zuo)右(you)(you),市(shi)區9個左(zuo)右(you)(you)
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