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。
汽車(che)的(de)(de)(de)發(fa)動(dong)(dong)(dong)(dong)機相(xiang)當于汽車(che)的(de)(de)(de)心臟。發(fa)動(dong)(dong)(dong)(dong)機故障也(ye)是困擾(rao)車(che)友(you)的(de)(de)(de)問題,氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)是發(fa)動(dong)(dong)(dong)(dong)機的(de)(de)(de)重要(yao)(yao)部件(jian)。接(jie)(jie)(jie)下來(lai)就讓典邦給大家介(jie)紹一(yi)下氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)的(de)(de)(de)作(zuo)用吧!氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)的(de)(de)(de)功(gong)(gong)能,氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)簡(jian)介(jie)-功(gong)(gong)能也(ye)是用于推動(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)打開的(de)(de)(de)裝(zhuang)置。因為(wei)早(zao)期發(fa)動(dong)(dong)(dong)(dong)機中使(shi)用的(de)(de)(de)這種裝(zhuang)置形(xing)狀(zhuang)像一(yi)根細桿(gan)(gan)(gan),所以被稱為(wei)氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)桿(gan)(gan)(gan)。它的(de)(de)(de)主(zhu)要(yao)(yao)功(gong)(gong)能是將凸輪(lun)的(de)(de)(de)旋轉運(yun)動(dong)(dong)(dong)(dong)轉化為(wei)往復運(yun)動(dong)(dong)(dong)(dong)。但這種結構(gou)的(de)(de)(de)發(fa)動(dong)(dong)(dong)(dong)機凸輪(lun)軸(zhou)一(yi)般不布置在發(fa)動(dong)(dong)(dong)(dong)機頂(ding)部。隨著現代汽車(che)發(fa)動(dong)(dong)(dong)(dong)機技術的(de)(de)(de)發(fa)展,越(yue)(yue)來(lai)越(yue)(yue)多(duo)的(de)(de)(de)汽車(che)發(fa)動(dong)(dong)(dong)(dong)機采用頂(ding)置凸輪(lun)軸(zhou)結構(gou),其(qi)中傳(chuan)統的(de)(de)(de)長(chang)氣(qi)(qi)(qi)門(men)(men)挺(ting)(ting)(ting)柱(zhu)(zhu)(zhu)(zhu)(zhu)基本(ben)取消(xiao),取而代之的(de)(de)(de)是由(you)(you)凸輪(lun)軸(zhou)驅動(dong)(dong)(dong)(dong)的(de)(de)(de)更加緊湊的(de)(de)(de)液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱(zhu)(zhu)(zhu)(zhu)(zhu),或(huo)者凸輪(lun)軸(zhou)直接(jie)(jie)(jie)驅動(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)門(men)(men)搖臂來(lai)控制氣(qi)(qi)(qi)門(men)(men)的(de)(de)(de)開閉。液(ye)壓(ya)(ya)杠桿(gan)(gan)(gan)主(zhu)要(yao)(yao)由(you)(you)柱(zhu)(zhu)(zhu)(zhu)(zhu)塞(sai)、單向閥(fa)(fa)和單向閥(fa)(fa)彈(dan)簧(huang)組成(cheng)。液(ye)壓(ya)(ya)桿(gan)(gan)(gan)始終與(yu)凸輪(lun)軸(zhou)接(jie)(jie)(jie)觸,并且無間隙(xi)運(yun)行。在挺(ting)(ting)(ting)桿(gan)(gan)(gan)內部,液(ye)壓(ya)(ya)用于調(diao)整間隙(xi)。液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱(zhu)(zhu)(zhu)(zhu)(zhu)主(zhu)要(yao)(yao)由(you)(you)柱(zhu)(zhu)(zhu)(zhu)(zhu)塞(sai)、單向閥(fa)(fa)和單向閥(fa)(fa)彈(dan)簧(huang)組成(cheng)。止回閥(fa)(fa)用于儲存或(huo)釋放油。通過改(gai)變挺(ting)(ting)(ting)柱(zhu)(zhu)(zhu)(zhu)(zhu)腔內的(de)(de)(de)油壓(ya)(ya),可以改(gai)變液(ye)壓(ya)(ya)挺(ting)(ting)(ting)柱(zhu)(zhu)(zhu)(zhu)(zhu)的(de)(de)(de)工作(zuo)長(chang)度,從而自動(dong)(dong)(dong)(dong)調(diao)整氣(qi)(qi)(qi)門(men)(men)間隙(xi)。
紅旗(qi)明仕在秉承紅旗(qi)特有的(de)安(an)全(quan)舒適、莊重(zhong)大氣(qi)等產(chan)品特色(se)的(de)同時(shi),通過100余項(xiang)技術改(gai)進,內在品質(zhi)和性能得到了全(quan)面提升。為其帶來了高穩定性、高耐用性;低(di)油耗、低(di)噪音、低(di)污染等眾多性能優化。
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