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(che)的(de)(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)相當于(yu)(yu)汽(qi)(qi)車(che)的(de)(de)(de)(de)(de)(de)(de)心臟。發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)故障(zhang)也是困(kun)擾車(che)友的(de)(de)(de)(de)(de)(de)(de)問題(ti),氣(qi)門(men)挺(ting)(ting)桿(gan)是發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)的(de)(de)(de)(de)(de)(de)(de)重要(yao)部(bu)(bu)件(jian)。接下(xia)(xia)來(lai)就讓典邦給大家介紹(shao)一下(xia)(xia)氣(qi)門(men)挺(ting)(ting)桿(gan)的(de)(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)吧!氣(qi)門(men)挺(ting)(ting)桿(gan)的(de)(de)(de)(de)(de)(de)(de)功(gong)(gong)能,氣(qi)門(men)挺(ting)(ting)桿(gan)簡介-功(gong)(gong)能也是用(yong)(yong)于(yu)(yu)推動(dong)(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)門(men)打開的(de)(de)(de)(de)(de)(de)(de)裝(zhuang)(zhuang)置。因為早期發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)中使用(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)這種(zhong)(zhong)裝(zhuang)(zhuang)置形狀(zhuang)像一根細桿(gan),所(suo)以(yi)被稱(cheng)為氣(qi)門(men)挺(ting)(ting)桿(gan)。它的(de)(de)(de)(de)(de)(de)(de)主要(yao)功(gong)(gong)能是將(jiang)凸(tu)(tu)(tu)輪的(de)(de)(de)(de)(de)(de)(de)旋轉(zhuan)運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)轉(zhuan)化為往復運(yun)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)。但這種(zhong)(zhong)結構的(de)(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)凸(tu)(tu)(tu)輪軸(zhou)(zhou)一般不(bu)布置在發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)頂部(bu)(bu)。隨(sui)著現(xian)代汽(qi)(qi)車(che)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)技(ji)術的(de)(de)(de)(de)(de)(de)(de)發(fa)(fa)(fa)展,越來(lai)越多的(de)(de)(de)(de)(de)(de)(de)汽(qi)(qi)車(che)發(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)機(ji)采用(yong)(yong)頂置凸(tu)(tu)(tu)輪軸(zhou)(zhou)結構,其中傳(chuan)統的(de)(de)(de)(de)(de)(de)(de)長(chang)氣(qi)門(men)挺(ting)(ting)柱(zhu)基(ji)本取消,取而代之(zhi)的(de)(de)(de)(de)(de)(de)(de)是由(you)凸(tu)(tu)(tu)輪軸(zhou)(zhou)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)(de)(de)(de)(de)更加緊湊的(de)(de)(de)(de)(de)(de)(de)液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)挺(ting)(ting)柱(zhu),或者凸(tu)(tu)(tu)輪軸(zhou)(zhou)直接驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)門(men)搖(yao)臂來(lai)控(kong)制氣(qi)門(men)的(de)(de)(de)(de)(de)(de)(de)開閉。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)杠桿(gan)主要(yao)由(you)柱(zhu)塞、單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)(fa)和(he)單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)(fa)彈(dan)簧(huang)組(zu)成。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)桿(gan)始終與(yu)凸(tu)(tu)(tu)輪軸(zhou)(zhou)接觸,并且無間(jian)隙(xi)(xi)運(yun)行。在挺(ting)(ting)桿(gan)內部(bu)(bu),液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)用(yong)(yong)于(yu)(yu)調整(zheng)間(jian)隙(xi)(xi)。液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)挺(ting)(ting)柱(zhu)主要(yao)由(you)柱(zhu)塞、單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)(fa)和(he)單(dan)(dan)向(xiang)(xiang)(xiang)閥(fa)(fa)彈(dan)簧(huang)組(zu)成。止回(hui)閥(fa)(fa)用(yong)(yong)于(yu)(yu)儲存或釋放(fang)油(you)(you)。通過改(gai)變挺(ting)(ting)柱(zhu)腔內的(de)(de)(de)(de)(de)(de)(de)油(you)(you)壓(ya)(ya)(ya)(ya),可(ke)以(yi)改(gai)變液(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)挺(ting)(ting)柱(zhu)的(de)(de)(de)(de)(de)(de)(de)工作(zuo)長(chang)度,從(cong)而自動(dong)(dong)(dong)(dong)(dong)(dong)(dong)調整(zheng)氣(qi)門(men)間(jian)隙(xi)(xi)。
中順單、雙排皮卡車為中順汽車整合國內成熟皮卡技術資源,同步國際標準開發,十分強調車輛的多功能性與實用性,采用兩廂非承載式車身結構,側圍為整體一次成型,并對貨箱部分進行了優化設計,使得容積更大、造型更加美觀、實用性更強。越野車的底盤和轎車化的內飾布局,內部操控件的位置和布置,均借鑒了歐美的設計元素,實用而且美觀、大氣,高端皮卡車甚至配備了乘用車才有的真皮座椅、中控門鎖、電動窗、CD機、音響等;而低端車型,則以實用為主,適當減化了與用戶使用功能不太密切的部分配置,大大降低了
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