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)(che)的(de)(de)(de)(de)(de)(de)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機相(xiang)當于汽(qi)車(che)(che)的(de)(de)(de)(de)(de)(de)心臟。發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機故障也是(shi)困擾車(che)(che)友的(de)(de)(de)(de)(de)(de)問題,氣(qi)(qi)門(men)挺(ting)(ting)桿(gan)(gan)是(shi)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機的(de)(de)(de)(de)(de)(de)重要(yao)部件。接下(xia)來(lai)就讓典邦給大家介紹一下(xia)氣(qi)(qi)門(men)挺(ting)(ting)桿(gan)(gan)的(de)(de)(de)(de)(de)(de)作用(yong)吧!氣(qi)(qi)門(men)挺(ting)(ting)桿(gan)(gan)的(de)(de)(de)(de)(de)(de)功(gong)能,氣(qi)(qi)門(men)挺(ting)(ting)桿(gan)(gan)簡介-功(gong)能也是(shi)用(yong)于推動(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)門(men)打(da)開的(de)(de)(de)(de)(de)(de)裝置(zhi)。因為早期(qi)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機中(zhong)使用(yong)的(de)(de)(de)(de)(de)(de)這種(zhong)裝置(zhi)形(xing)狀像一根細桿(gan)(gan),所以被稱為氣(qi)(qi)門(men)挺(ting)(ting)桿(gan)(gan)。它的(de)(de)(de)(de)(de)(de)主要(yao)功(gong)能是(shi)將凸(tu)(tu)(tu)輪(lun)的(de)(de)(de)(de)(de)(de)旋轉運(yun)動(dong)(dong)(dong)(dong)(dong)轉化為往(wang)復運(yun)動(dong)(dong)(dong)(dong)(dong)。但(dan)這種(zhong)結構的(de)(de)(de)(de)(de)(de)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機凸(tu)(tu)(tu)輪(lun)軸(zhou)一般不布置(zhi)在發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機頂部。隨著現(xian)代(dai)汽(qi)車(che)(che)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機技術(shu)的(de)(de)(de)(de)(de)(de)發(fa)(fa)展(zhan),越來(lai)越多的(de)(de)(de)(de)(de)(de)汽(qi)車(che)(che)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)機采用(yong)頂置(zhi)凸(tu)(tu)(tu)輪(lun)軸(zhou)結構,其中(zhong)傳統的(de)(de)(de)(de)(de)(de)長氣(qi)(qi)門(men)挺(ting)(ting)柱(zhu)(zhu)基本(ben)取(qu)消,取(qu)而代(dai)之的(de)(de)(de)(de)(de)(de)是(shi)由凸(tu)(tu)(tu)輪(lun)軸(zhou)驅動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)更加緊湊的(de)(de)(de)(de)(de)(de)液壓(ya)挺(ting)(ting)柱(zhu)(zhu),或者凸(tu)(tu)(tu)輪(lun)軸(zhou)直接驅動(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)門(men)搖臂來(lai)控(kong)制氣(qi)(qi)門(men)的(de)(de)(de)(de)(de)(de)開閉(bi)。液壓(ya)杠桿(gan)(gan)主要(yao)由柱(zhu)(zhu)塞(sai)、單(dan)向(xiang)閥和(he)(he)單(dan)向(xiang)閥彈簧組(zu)成(cheng)。液壓(ya)桿(gan)(gan)始(shi)終(zhong)與凸(tu)(tu)(tu)輪(lun)軸(zhou)接觸,并且無間(jian)(jian)隙運(yun)行(xing)。在挺(ting)(ting)桿(gan)(gan)內(nei)部,液壓(ya)用(yong)于調(diao)整間(jian)(jian)隙。液壓(ya)挺(ting)(ting)柱(zhu)(zhu)主要(yao)由柱(zhu)(zhu)塞(sai)、單(dan)向(xiang)閥和(he)(he)單(dan)向(xiang)閥彈簧組(zu)成(cheng)。止回閥用(yong)于儲存或釋(shi)放(fang)油。通過(guo)改變挺(ting)(ting)柱(zhu)(zhu)腔內(nei)的(de)(de)(de)(de)(de)(de)油壓(ya),可以改變液壓(ya)挺(ting)(ting)柱(zhu)(zhu)的(de)(de)(de)(de)(de)(de)工作長度(du),從而自動(dong)(dong)(dong)(dong)(dong)調(diao)整氣(qi)(qi)門(men)間(jian)(jian)隙。
大宇貴族(zu)2000當行(xing)車(che)時,power加力超車(che)檔燈(deng)一閃閃被鎖在三擋,不能升降,但(dan)關閉車(che)重新起動,燈(deng)就滅,過一會又閃了.如果燈(deng)不閃,行(xing)車(che)跳檔是正常.請提寶貴意見
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