五檔同步器。車同步器的作用是使接合套與待嚙合的齒圈迅速同步,縮短換擋時間。防止接合套與待嚙合的齒圈在同步前嚙合而產生接合齒之間的沖擊,使換擋較為順當,減少換擋齒輪噪聲。
更多資料(liao)如下(xia):
1、同(tong)(tong)步(bu)(bu)(bu)(bu)器的組(zu)成:由同(tong)(tong)一步(bu)(bu)(bu)(bu)裝置(包括推動件、摩擦件)、鎖止裝置和(he)接(jie)合裝置三部分(fen)組(zu)成。同(tong)(tong)步(bu)(bu)(bu)(bu)器有(you)常壓(ya)式、慣(guan)(guan)性式、自增力(li)式等多種。目前所有(you)的同(tong)(tong)步(bu)(bu)(bu)(bu)器幾(ji)乎都(dou)采用摩擦慣(guan)(guan)性式同(tong)(tong)步(bu)(bu)(bu)(bu)裝置,根據鎖止裝置的不同(tong)(tong),又(you)分(fen)為鎖環式慣(guan)(guan)性同(tong)(tong)步(bu)(bu)(bu)(bu)器和(he)鎖銷式慣(guan)(guan)性同(tong)(tong)步(bu)(bu)(bu)(bu)器。
2、除(chu)了(le)倒擋和(he)一(yi)檔外(wai),其(qi)他檔位均(jun)配置(zhi)同(tong)(tong)(tong)步器(qi):目前,在(zai)大多數轎(jiao)車(che)和(he)大貨車(che)上,除(chu)了(le)倒擋和(he)一(yi)檔外(wai),其(qi)他檔位均(jun)配置(zhi)同(tong)(tong)(tong)步器(qi),并且(qie)對同(tong)(tong)(tong)步器(qi)的要求(qiu)是轉矩容量大,性(xing)(xing)能(neng)穩(wen)定,耐(nai)用(yong),具備良好的經濟(ji)性(xing)(xing)。一(yi)般而言,大多數汽(qi)車(che)均(jun)配備慣(guan)(guan)性(xing)(xing)同(tong)(tong)(tong)步器(qi)。慣(guan)(guan)性(xing)(xing)式(shi)同(tong)(tong)(tong)步器(qi)能(neng)確保(bao)同(tong)(tong)(tong)步嚙合換擋,性(xing)(xing)能(neng)穩(wen)定可靠。它可分為兩大類:慣(guan)(guan)性(xing)(xing)鎖止式(shi)同(tong)(tong)(tong)步器(qi)和(he)慣(guan)(guan)性(xing)(xing)增力式(shi)同(tong)(tong)(tong)步器(qi)。使用(yong)最廣泛的是鎖環式(shi),鎖銷式(shi)等(deng)慣(guan)(guan)性(xing)(xing)鎖止式(shi)同(tong)(tong)(tong)步器(qi)。
手(shou)動變(bian)速箱的(de)結構內部有一(yi)個非常(chang)重要(yao)的(de)設備,那就是(shi)"同(tong)步(bu)器(qi)”。同(tong)步(bu)器(qi)的(de)作用是(shi)很顯而(er)易見的(de)那就是(shi)換擋時候由于(yu)動力輸出端齒(chi)輪(lun)轉速要(yao)快(kuai)于(yu)馬上要(yao)換入這個擋位的(de)齒(chi)輪(lun),如(ru)果沒有同(tong)步(bu)器(qi),把(ba)個慢速旋(xuan)轉的(de)齒(chi)輪(lun)強行塞入一(yi)個高(gao)速旋(xuan)轉的(de)齒(chi)輪(lun)中,肯定會發生(sheng)打齒(chi)的(de)現象。
同步(bu)器(qi)的(de)作用就是在換擋(dang)動作發生時,將即(ji)將換入(ru)擋(dang)位的(de)齒輪轉速(su)(su)提升至和輸出(chu)端齒輪速(su)(su)度同步(bu)的(de)狀態(tai),這樣換擋(dang)時候就不(bu)會(hui)存(cun)在打齒現象了。
明(ming)白了(le)打(da)齒的現象發(fa)生,那(nei)為(wei)什么(me)很(hen)(hen)多(duo)車正向行駛(shi)時候(hou)就(jiu)不(bu)存在打(da)齒,而一(yi)掛入倒(dao)擋(dang)(dang)(dang)就(jiu)打(da)齒,那(nei)是因為(wei)很(hen)(hen)多(duo)車型的倒(dao)擋(dang)(dang)(dang)是沒(mei)(mei)有安裝倒(dao)擋(dang)(dang)(dang)同步器(qi)的,因為(wei)廠商的理念里,倒(dao)擋(dang)(dang)(dang)是需要(yao)完全停止再(zai)掛入并且使(shi)用(yong)的機會相對小了(le)很(hen)(hen)多(duo),所以出于簡化變速箱結構和節省成本(ben)的目的,很(hen)(hen)多(duo)中低(di)端手動變速箱的倒(dao)擋(dang)(dang)(dang)就(jiu)沒(mei)(mei)有安裝倒(dao)擋(dang)(dang)(dang)同步器(qi)。
沒有(you)安裝倒(dao)(dao)擋同(tong)步(bu)器(qi)(qi)(qi)的手動變速箱就會存(cun)在掛(gua)入倒(dao)(dao)擋打(da)(da)齒(chi)的現象(xiang)。當然了,這里也和用(yong)戶使用(yong)習慣(guan)有(you)非常大的關(guan)系,因為倒(dao)(dao)擋本身不含同(tong)步(bu)器(qi)(qi)(qi),需要(yao)完(wan)全把車(che)(che)輛停止(zhi),讓(rang)動力輸出端速度降低到和倒(dao)(dao)擋齒(chi)輪(這時(shi)候倒(dao)(dao)擋齒(chi)輪是靜止(zhi)的)之間的轉速差(cha)變小,這樣才能保證掛(gua)如倒(dao)(dao)擋比較平順且沒有(you)打(da)(da)齒(chi)。很(hen)多用(yong)戶車(che)(che)末(mo)停穩就著(zhu)急(ji)立刻掛(gua)入倒(dao)(dao)擋,自然會讓(rang)沒有(you)同(tong)步(bu)器(qi)(qi)(qi)的倒(dao)(dao)擋很(hen)受傷,打(da)(da)齒(chi)就會發生。
奧迪 A4L是由一(yi)汽大(da)眾公司制(zhi)造并(bing)于(yu)2003年4月(yue)上市的(de)(de)一(yi)款熱門B級車型(xing)(xing)(xing),做為率先(xian)引入長軸距和(he)渦輪概念的(de)(de)車型(xing)(xing)(xing),從B5到B8,A4L的(de)(de)銷(xiao)量(liang)(liang)一(yi)直經久不衰。新款A4L舍棄(qi)了淚眼設計(ji),增加(jia)了quattro四(si)(si)驅模(mo)式(shi),外形(xing)更(geng)加(jia)時(shi)尚運(yun)動(dong)(dong),動(dong)(dong)力和(he)操控性(xing)更(geng)加(jia)出眾。車型(xing)(xing)(xing)內(nei)飾做工(gong)精致,科技配置豐富,空(kong)間充(chong)裕,在B級車型(xing)(xing)(xing)中(zhong)擁(yong)有較好的(de)(de)實用性(xing)。一(yi)汽奧迪A4分(fen)三個(ge)排量(liang)(liang)進行(xing)銷(xiao)售,分(fen)別是1.8T、2.4和(he)3.0。其中(zhong)1.8T分(fen)為側影四(si)(si)款,有手(shou)動(dong)(dong)基本型(xing)(xing)(xing)、自動(dong)(dong)基本型(xing)(xing)(xing)、舒(shu)適型(xing)(xing)(xing)和(he)技術(shu)領(ling)先(xian)型(xing)(xing)(xing)。2.4排量(liang)(liang)分(fen)為三款,有舒(shu)適型(xing)(xing)(xing)、舒(shu)適運(yun)動(dong)(dong)型(xing)(xing)(xing)和(he)舒(shu)適尊享型(xing)(xing)(xing)。而3.0排量(liang)(liang)只(zhi)有一(yi)款,并(bing)且(qie)加(jia)裝了quattro全時(shi)四(si)(si)驅系統。
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