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)(de)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)相當于汽車(che)的(de)(de)(de)(de)心臟(zang)。發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)故障也(ye)是(shi)困擾車(che)友的(de)(de)(de)(de)問(wen)題,氣(qi)(qi)門(men)(men)(men)挺(ting)桿(gan)是(shi)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)重要(yao)部件。接下來就讓典邦給大家介紹一下氣(qi)(qi)門(men)(men)(men)挺(ting)桿(gan)的(de)(de)(de)(de)作用(yong)(yong)吧!氣(qi)(qi)門(men)(men)(men)挺(ting)桿(gan)的(de)(de)(de)(de)功(gong)能(neng),氣(qi)(qi)門(men)(men)(men)挺(ting)桿(gan)簡介-功(gong)能(neng)也(ye)是(shi)用(yong)(yong)于推動(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)門(men)(men)(men)打開的(de)(de)(de)(de)裝置。因(yin)為早(zao)期發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)中(zhong)使用(yong)(yong)的(de)(de)(de)(de)這種裝置形狀像(xiang)一根細(xi)桿(gan),所以被稱為氣(qi)(qi)門(men)(men)(men)挺(ting)桿(gan)。它的(de)(de)(de)(de)主要(yao)功(gong)能(neng)是(shi)將(jiang)凸(tu)輪的(de)(de)(de)(de)旋(xuan)轉(zhuan)運動(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)化為往復(fu)運動(dong)(dong)(dong)(dong)(dong)(dong)。但這種結構的(de)(de)(de)(de)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)凸(tu)輪軸(zhou)一般不布置在(zai)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)頂部。隨著現(xian)代汽車(che)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)技術的(de)(de)(de)(de)發(fa)(fa)展(zhan),越來越多的(de)(de)(de)(de)汽車(che)發(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)采用(yong)(yong)頂置凸(tu)輪軸(zhou)結構,其(qi)中(zhong)傳統的(de)(de)(de)(de)長(chang)氣(qi)(qi)門(men)(men)(men)挺(ting)柱(zhu)(zhu)基本取(qu)消,取(qu)而代之的(de)(de)(de)(de)是(shi)由(you)(you)(you)凸(tu)輪軸(zhou)驅動(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)更(geng)加緊湊的(de)(de)(de)(de)液(ye)(ye)壓(ya)(ya)挺(ting)柱(zhu)(zhu),或者凸(tu)輪軸(zhou)直(zhi)接驅動(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)門(men)(men)(men)搖臂來控(kong)制氣(qi)(qi)門(men)(men)(men)的(de)(de)(de)(de)開閉。液(ye)(ye)壓(ya)(ya)杠(gang)桿(gan)主要(yao)由(you)(you)(you)柱(zhu)(zhu)塞(sai)(sai)、單(dan)(dan)(dan)向閥(fa)和單(dan)(dan)(dan)向閥(fa)彈簧(huang)組(zu)成。液(ye)(ye)壓(ya)(ya)桿(gan)始終與凸(tu)輪軸(zhou)接觸(chu),并且無(wu)間隙運行。在(zai)挺(ting)桿(gan)內部,液(ye)(ye)壓(ya)(ya)用(yong)(yong)于調整間隙。液(ye)(ye)壓(ya)(ya)挺(ting)柱(zhu)(zhu)主要(yao)由(you)(you)(you)柱(zhu)(zhu)塞(sai)(sai)、單(dan)(dan)(dan)向閥(fa)和單(dan)(dan)(dan)向閥(fa)彈簧(huang)組(zu)成。止回閥(fa)用(yong)(yong)于儲存或釋放油。通過改變(bian)挺(ting)柱(zhu)(zhu)腔內的(de)(de)(de)(de)油壓(ya)(ya),可以改變(bian)液(ye)(ye)壓(ya)(ya)挺(ting)柱(zhu)(zhu)的(de)(de)(de)(de)工作長(chang)度,從而自(zi)動(dong)(dong)(dong)(dong)(dong)(dong)調整氣(qi)(qi)門(men)(men)(men)間隙。
2019年11月1日,在武漢舉辦的中(zhong)國(guo)(guo)國(guo)(guo)際商(shang)用車展現場(chang),依(yi)維柯歐勝2020款國(guo)(guo)六產品(pin)正(zheng)式上市,其中(zhong)短軸(zhou)舒適版(ban)(ban)的超瑞系(xi)列(lie)(lie)149900 元(yuan)起,長(chang)軸(zhou)短懸舒適版(ban)(ban)的商(shang)瑞系(xi)列(lie)(lie)185900元(yuan)起,短軸(zhou)舒適版(ban)(ban)的運瑞系(xi)列(lie)(lie)146900元(yuan)起,長(chang)軸(zhou)4.5噸豪(hao)華版(ban)(ban)的專業(ye)底(di)盤(pan)系(xi)列(lie)(lie)171900元(yuan)起。涵蓋了(le)輕型(xing)多功(gong)能商(shang)用車的各(ge)個應用場(chang)景(jing)。
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