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(geng)多資(zi)料(liao)如(ru)下:
1、同(tong)(tong)(tong)(tong)步器(qi)(qi)的(de)組成:由(you)同(tong)(tong)(tong)(tong)一步裝(zhuang)(zhuang)置(zhi)(zhi)(包括推動件、摩擦(ca)(ca)件)、鎖(suo)止裝(zhuang)(zhuang)置(zhi)(zhi)和接合裝(zhuang)(zhuang)置(zhi)(zhi)三部分(fen)組成。同(tong)(tong)(tong)(tong)步器(qi)(qi)有常壓式(shi)(shi)(shi)、慣(guan)(guan)性(xing)式(shi)(shi)(shi)、自增力式(shi)(shi)(shi)等多種(zhong)。目前所(suo)有的(de)同(tong)(tong)(tong)(tong)步器(qi)(qi)幾乎都(dou)采用摩擦(ca)(ca)慣(guan)(guan)性(xing)式(shi)(shi)(shi)同(tong)(tong)(tong)(tong)步裝(zhuang)(zhuang)置(zhi)(zhi),根據鎖(suo)止裝(zhuang)(zhuang)置(zhi)(zhi)的(de)不(bu)同(tong)(tong)(tong)(tong),又分(fen)為(wei)鎖(suo)環式(shi)(shi)(shi)慣(guan)(guan)性(xing)同(tong)(tong)(tong)(tong)步器(qi)(qi)和鎖(suo)銷(xiao)式(shi)(shi)(shi)慣(guan)(guan)性(xing)同(tong)(tong)(tong)(tong)步器(qi)(qi)。
2、除(chu)了倒擋(dang)和(he)一檔(dang)外,其他檔(dang)位均配(pei)置同(tong)(tong)(tong)步(bu)器(qi):目前,在大(da)多(duo)數轎車和(he)大(da)貨車上(shang),除(chu)了倒擋(dang)和(he)一檔(dang)外,其他檔(dang)位均配(pei)置同(tong)(tong)(tong)步(bu)器(qi),并且對(dui)同(tong)(tong)(tong)步(bu)器(qi)的(de)要求(qiu)是(shi)轉矩容量大(da),性能(neng)穩(wen)定,耐用,具備良好(hao)的(de)經濟性。一般而言,大(da)多(duo)數汽車均配(pei)備慣性同(tong)(tong)(tong)步(bu)器(qi)。慣性式(shi)同(tong)(tong)(tong)步(bu)器(qi)能(neng)確(que)保同(tong)(tong)(tong)步(bu)嚙合換擋(dang),性能(neng)穩(wen)定可(ke)靠(kao)。它(ta)可(ke)分為兩大(da)類:慣性鎖(suo)止式(shi)同(tong)(tong)(tong)步(bu)器(qi)和(he)慣性增力式(shi)同(tong)(tong)(tong)步(bu)器(qi)。使用最廣(guang)泛的(de)是(shi)鎖(suo)環式(shi),鎖(suo)銷式(shi)等慣性鎖(suo)止式(shi)同(tong)(tong)(tong)步(bu)器(qi)。
手動變(bian)速(su)箱的(de)結構內部有(you)一(yi)個非(fei)常重要的(de)設備,那就(jiu)是"同(tong)步器(qi)”。同(tong)步器(qi)的(de)作用是很顯而易(yi)見的(de)那就(jiu)是換擋時候(hou)由于(yu)(yu)動力輸出端(duan)齒(chi)輪轉(zhuan)速(su)要快于(yu)(yu)馬上要換入(ru)這個擋位的(de)齒(chi)輪,如果(guo)沒有(you)同(tong)步器(qi),把個慢速(su)旋轉(zhuan)的(de)齒(chi)輪強行塞入(ru)一(yi)個高速(su)旋轉(zhuan)的(de)齒(chi)輪中,肯定會發生(sheng)打齒(chi)的(de)現象。
同(tong)步(bu)(bu)器的作(zuo)用就是在(zai)(zai)換(huan)(huan)擋(dang)(dang)動作(zuo)發生時(shi),將(jiang)即(ji)將(jiang)換(huan)(huan)入擋(dang)(dang)位的齒(chi)輪(lun)轉(zhuan)速提升至和輸出(chu)端齒(chi)輪(lun)速度同(tong)步(bu)(bu)的狀態,這(zhe)樣換(huan)(huan)擋(dang)(dang)時(shi)候就不會(hui)存在(zai)(zai)打齒(chi)現象了(le)。
明白了打齒(chi)(chi)的(de)現象發生,那為什么(me)很多(duo)車(che)正向行駛時候就(jiu)不存在打齒(chi)(chi),而一掛(gua)入倒(dao)(dao)(dao)擋(dang)(dang)就(jiu)打齒(chi)(chi),那是(shi)(shi)因(yin)為很多(duo)車(che)型(xing)的(de)倒(dao)(dao)(dao)擋(dang)(dang)是(shi)(shi)沒有安裝倒(dao)(dao)(dao)擋(dang)(dang)同(tong)步器的(de),因(yin)為廠商的(de)理念里(li),倒(dao)(dao)(dao)擋(dang)(dang)是(shi)(shi)需(xu)要(yao)完(wan)全停(ting)止(zhi)再(zai)掛(gua)入并且(qie)使用的(de)機會相(xiang)對小了很多(duo),所以出于簡(jian)化變速(su)箱結(jie)構(gou)和節省成本的(de)目的(de),很多(duo)中低端手動變速(su)箱的(de)倒(dao)(dao)(dao)擋(dang)(dang)就(jiu)沒有安裝倒(dao)(dao)(dao)擋(dang)(dang)同(tong)步器。
沒(mei)有(you)(you)安裝(zhuang)倒擋(dang)同(tong)步(bu)器的(de)手動(dong)變(bian)速(su)(su)箱就(jiu)會存在掛入倒擋(dang)打(da)齒(chi)(chi)的(de)現象。當(dang)然(ran)了,這里(li)也和用(yong)(yong)戶(hu)使用(yong)(yong)習慣有(you)(you)非常大的(de)關系,因為(wei)倒擋(dang)本身(shen)不(bu)含同(tong)步(bu)器,需要完全把車(che)輛停(ting)止,讓動(dong)力輸出端速(su)(su)度降低到和倒擋(dang)齒(chi)(chi)輪(lun)(這時候倒擋(dang)齒(chi)(chi)輪(lun)是靜止的(de))之間的(de)轉速(su)(su)差變(bian)小,這樣才能保(bao)證(zheng)掛如(ru)倒擋(dang)比(bi)較(jiao)平順且沒(mei)有(you)(you)打(da)齒(chi)(chi)。很(hen)多用(yong)(yong)戶(hu)車(che)末停(ting)穩就(jiu)著(zhu)急立(li)刻(ke)掛入倒擋(dang),自然(ran)會讓沒(mei)有(you)(you)同(tong)步(bu)器的(de)倒擋(dang)很(hen)受傷(shang),打(da)齒(chi)(chi)就(jiu)會發生。
手握20萬(wan)的(de)買車(che)(che)(che)預算,是(shi)(shi)(shi)買SUV還是(shi)(shi)(shi)轎車(che)(che)(che)?選擇(ze)自(zi)主品牌還是(shi)(shi)(shi)合資品牌?不(bu)少車(che)(che)(che)主在購車(che)(che)(che)時常常為此發愁。如果買新車(che)(che)(che)的(de)話(hua),20萬(wan)可以選擇(ze)的(de)車(che)(che)(che)型還是(shi)(shi)(shi)非常多(duo)的(de),但(dan)是(shi)(shi)(shi)如果要追(zhui)求一點豪華感,可能還差點意思,尤其是(shi)(shi)(shi)鐘(zhong)愛(ai)的(de)BBA。A180L是(shi)(shi)(shi)不(bu)錯的(de)選擇(ze),帶奔馳大標志。
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