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)(che)(che)的(de)(de)(de)(de)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機相當(dang)于汽車(che)(che)(che)的(de)(de)(de)(de)心臟。發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機故(gu)障也(ye)是(shi)(shi)困(kun)擾車(che)(che)(che)友的(de)(de)(de)(de)問題(ti),氣(qi)(qi)(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿是(shi)(shi)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機的(de)(de)(de)(de)重要部(bu)件。接下來就讓典邦給大家介紹一下氣(qi)(qi)(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿的(de)(de)(de)(de)作(zuo)用(yong)吧!氣(qi)(qi)(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿的(de)(de)(de)(de)功能,氣(qi)(qi)(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿簡介-功能也(ye)是(shi)(shi)用(yong)于推動(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)(qi)(qi)門(men)(men)打開(kai)的(de)(de)(de)(de)裝置。因為早(zao)期發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機中使用(yong)的(de)(de)(de)(de)這(zhe)種裝置形(xing)狀(zhuang)像一根(gen)細(xi)桿,所(suo)以被稱為氣(qi)(qi)(qi)(qi)(qi)門(men)(men)挺(ting)(ting)桿。它的(de)(de)(de)(de)主(zhu)要功能是(shi)(shi)將凸輪的(de)(de)(de)(de)旋(xuan)轉運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)轉化(hua)為往復運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)。但這(zhe)種結構的(de)(de)(de)(de)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機凸輪軸(zhou)一般不布置在發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機頂部(bu)。隨著(zhu)現代汽車(che)(che)(che)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機技術的(de)(de)(de)(de)發(fa)(fa)(fa)展(zhan),越來越多的(de)(de)(de)(de)汽車(che)(che)(che)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機采用(yong)頂置凸輪軸(zhou)結構,其中傳統(tong)的(de)(de)(de)(de)長(chang)氣(qi)(qi)(qi)(qi)(qi)門(men)(men)挺(ting)(ting)柱(zhu)(zhu)(zhu)基本(ben)取消,取而代之的(de)(de)(de)(de)是(shi)(shi)由凸輪軸(zhou)驅動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)更加緊湊(cou)的(de)(de)(de)(de)液(ye)壓(ya)(ya)挺(ting)(ting)柱(zhu)(zhu)(zhu),或(huo)者凸輪軸(zhou)直接驅動(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)(qi)(qi)門(men)(men)搖(yao)臂來控(kong)制氣(qi)(qi)(qi)(qi)(qi)門(men)(men)的(de)(de)(de)(de)開(kai)閉。液(ye)壓(ya)(ya)杠(gang)桿主(zhu)要由柱(zhu)(zhu)(zhu)塞、單向閥(fa)和單向閥(fa)彈簧組(zu)(zu)成(cheng)。液(ye)壓(ya)(ya)桿始終與凸輪軸(zhou)接觸,并且無間隙運(yun)行。在挺(ting)(ting)桿內(nei)部(bu),液(ye)壓(ya)(ya)用(yong)于調整間隙。液(ye)壓(ya)(ya)挺(ting)(ting)柱(zhu)(zhu)(zhu)主(zhu)要由柱(zhu)(zhu)(zhu)塞、單向閥(fa)和單向閥(fa)彈簧組(zu)(zu)成(cheng)。止回閥(fa)用(yong)于儲存(cun)或(huo)釋(shi)放油(you)。通過改(gai)變挺(ting)(ting)柱(zhu)(zhu)(zhu)腔內(nei)的(de)(de)(de)(de)油(you)壓(ya)(ya),可以改(gai)變液(ye)壓(ya)(ya)挺(ting)(ting)柱(zhu)(zhu)(zhu)的(de)(de)(de)(de)工作(zuo)長(chang)度,從而自動(dong)(dong)(dong)(dong)(dong)(dong)調整氣(qi)(qi)(qi)(qi)(qi)門(men)(men)間隙。
四(si)川(chuan)汽(qi)車(che)(che)工業集團(tuan)有限公司生產的(de)(de)多功能轎車(che)(che)CUV野馬F99。歷經7年沉寂之(zhi)后,川(chuan)汽(qi)聯手國外車(che)(che)企重回市場,并(bing)攜首(shou)款跨界(jie)CUV—野馬F99以(yi)迅(xun)雷之(zhi)勢向乘用車(che)(che)市場進軍。被車(che)(che)界(jie)譽為浴火重生的(de)(de)川(chuan)汽(qi)及其旗下產品F99在(zai)一夜之(zhi)間成(cheng)為車(che)(che)市備受(shou)關注的(de)(de)焦點。
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