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。
更多資料如(ru)下:
1、同(tong)(tong)(tong)步(bu)器(qi)(qi)的組成(cheng):由(you)同(tong)(tong)(tong)一步(bu)裝(zhuang)(zhuang)置(包括推動件、摩(mo)擦(ca)件)、鎖(suo)(suo)止裝(zhuang)(zhuang)置和接合(he)裝(zhuang)(zhuang)置三(san)部分組成(cheng)。同(tong)(tong)(tong)步(bu)器(qi)(qi)有常壓式(shi)(shi)、慣性式(shi)(shi)、自增力式(shi)(shi)等多種。目前所有的同(tong)(tong)(tong)步(bu)器(qi)(qi)幾乎都(dou)采用摩(mo)擦(ca)慣性式(shi)(shi)同(tong)(tong)(tong)步(bu)裝(zhuang)(zhuang)置,根據鎖(suo)(suo)止裝(zhuang)(zhuang)置的不同(tong)(tong)(tong),又分為鎖(suo)(suo)環式(shi)(shi)慣性同(tong)(tong)(tong)步(bu)器(qi)(qi)和鎖(suo)(suo)銷式(shi)(shi)慣性同(tong)(tong)(tong)步(bu)器(qi)(qi)。
2、除了(le)倒(dao)擋(dang)和(he)一(yi)(yi)檔(dang)外(wai),其他檔(dang)位均配(pei)置同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi):目前,在大多數(shu)轎車(che)和(he)大貨車(che)上(shang),除了(le)倒(dao)擋(dang)和(he)一(yi)(yi)檔(dang)外(wai),其他檔(dang)位均配(pei)置同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi),并且對(dui)同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi)的要求是(shi)轉矩容量大,性(xing)(xing)(xing)能穩(wen)(wen)定,耐用,具(ju)備良好的經濟(ji)性(xing)(xing)(xing)。一(yi)(yi)般而言(yan),大多數(shu)汽(qi)車(che)均配(pei)備慣性(xing)(xing)(xing)同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi)。慣性(xing)(xing)(xing)式同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi)能確(que)保同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)嚙(nie)合換擋(dang),性(xing)(xing)(xing)能穩(wen)(wen)定可靠(kao)。它可分(fen)為(wei)兩大類:慣性(xing)(xing)(xing)鎖(suo)止式同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi)和(he)慣性(xing)(xing)(xing)增力式同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi)。使用最(zui)廣泛的是(shi)鎖(suo)環式,鎖(suo)銷(xiao)式等(deng)慣性(xing)(xing)(xing)鎖(suo)止式同(tong)(tong)(tong)(tong)步(bu)(bu)(bu)器(qi)。
手動變速(su)(su)箱的結構內部有(you)一個(ge)非常(chang)重(zhong)要(yao)的設備,那就是(shi)"同(tong)步器(qi)”。同(tong)步器(qi)的作用(yong)是(shi)很顯而易(yi)見的那就是(shi)換(huan)擋(dang)時候由(you)于動力(li)輸出(chu)端齒(chi)(chi)輪(lun)轉速(su)(su)要(yao)快于馬上要(yao)換(huan)入(ru)(ru)這(zhe)個(ge)擋(dang)位的齒(chi)(chi)輪(lun),如果沒(mei)有(you)同(tong)步器(qi),把個(ge)慢速(su)(su)旋(xuan)轉的齒(chi)(chi)輪(lun)強行塞(sai)入(ru)(ru)一個(ge)高速(su)(su)旋(xuan)轉的齒(chi)(chi)輪(lun)中(zhong),肯定會發生打齒(chi)(chi)的現象。
同步器的作用就(jiu)是在換擋(dang)動(dong)作發生時,將(jiang)即(ji)將(jiang)換入(ru)擋(dang)位的齒(chi)(chi)輪轉速提升至和輸(shu)出端(duan)齒(chi)(chi)輪速度同步的狀態,這樣換擋(dang)時候就(jiu)不會(hui)存在打齒(chi)(chi)現象了(le)。
明白了(le)打(da)(da)齒的(de)(de)現象發生,那為(wei)(wei)什么很(hen)多(duo)車(che)(che)正向行駛時候就(jiu)不存在打(da)(da)齒,而一(yi)掛入(ru)倒擋就(jiu)打(da)(da)齒,那是(shi)因(yin)為(wei)(wei)很(hen)多(duo)車(che)(che)型的(de)(de)倒擋是(shi)沒有安裝倒擋同步(bu)器的(de)(de),因(yin)為(wei)(wei)廠商(shang)的(de)(de)理(li)念里,倒擋是(shi)需要完全停止再(zai)掛入(ru)并且使用的(de)(de)機會相(xiang)對小了(le)很(hen)多(duo),所以出于簡化變速箱結構和(he)節省成本的(de)(de)目的(de)(de),很(hen)多(duo)中(zhong)低(di)端手動變速箱的(de)(de)倒擋就(jiu)沒有安裝倒擋同步(bu)器。
沒(mei)有(you)(you)安裝倒(dao)擋同步(bu)器的(de)(de)手(shou)動變(bian)速(su)箱就會(hui)(hui)存在掛入倒(dao)擋打齒(chi)(chi)的(de)(de)現象。當然了,這里也和(he)用(yong)(yong)戶使用(yong)(yong)習慣有(you)(you)非常大的(de)(de)關系,因為倒(dao)擋本身不含(han)同步(bu)器,需要完全把(ba)車輛停止,讓動力輸出端(duan)速(su)度降低到和(he)倒(dao)擋齒(chi)(chi)輪(這時候倒(dao)擋齒(chi)(chi)輪是靜(jing)止的(de)(de))之間的(de)(de)轉速(su)差變(bian)小(xiao),這樣(yang)才能保證掛如倒(dao)擋比(bi)較(jiao)平順且(qie)沒(mei)有(you)(you)打齒(chi)(chi)。很多(duo)用(yong)(yong)戶車末停穩就著急立刻(ke)掛入倒(dao)擋,自(zi)然會(hui)(hui)讓沒(mei)有(you)(you)同步(bu)器的(de)(de)倒(dao)擋很受傷(shang),打齒(chi)(chi)就會(hui)(hui)發生。
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