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(xia):
1、同(tong)(tong)步器(qi)的組成:由同(tong)(tong)一步裝(zhuang)(zhuang)置(zhi)(包(bao)括推(tui)動件、摩擦件)、鎖(suo)止(zhi)裝(zhuang)(zhuang)置(zhi)和接合(he)裝(zhuang)(zhuang)置(zhi)三(san)部(bu)分組成。同(tong)(tong)步器(qi)有(you)常(chang)壓(ya)式、慣性式、自(zi)增力式等多種。目前所有(you)的同(tong)(tong)步器(qi)幾乎都采用摩擦慣性式同(tong)(tong)步裝(zhuang)(zhuang)置(zhi),根(gen)據鎖(suo)止(zhi)裝(zhuang)(zhuang)置(zhi)的不同(tong)(tong),又分為(wei)鎖(suo)環(huan)式慣性同(tong)(tong)步器(qi)和鎖(suo)銷式慣性同(tong)(tong)步器(qi)。
2、除(chu)了(le)倒擋(dang)和(he)一檔外,其他(ta)檔位均配(pei)置(zhi)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi):目前,在大(da)多(duo)數(shu)轎車和(he)大(da)貨車上(shang),除(chu)了(le)倒擋(dang)和(he)一檔外,其他(ta)檔位均配(pei)置(zhi)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi),并且對同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi)的要求是轉(zhuan)矩容量大(da),性(xing)能(neng)穩定,耐用(yong),具(ju)備良(liang)好的經濟性(xing)。一般而言,大(da)多(duo)數(shu)汽車均配(pei)備慣(guan)性(xing)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi)。慣(guan)性(xing)式(shi)(shi)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi)能(neng)確保同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)嚙(nie)合換擋(dang),性(xing)能(neng)穩定可(ke)靠。它可(ke)分為兩大(da)類:慣(guan)性(xing)鎖止式(shi)(shi)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi)和(he)慣(guan)性(xing)增力式(shi)(shi)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi)。使用(yong)最(zui)廣泛的是鎖環式(shi)(shi),鎖銷(xiao)式(shi)(shi)等慣(guan)性(xing)鎖止式(shi)(shi)同(tong)(tong)(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)(qi)。
手動變速(su)箱的(de)(de)結構內(nei)部有(you)一個(ge)非常重要的(de)(de)設備,那就是"同步器(qi)”。同步器(qi)的(de)(de)作用是很(hen)顯而易見的(de)(de)那就是換擋時(shi)候由于(yu)動力(li)輸出(chu)端齒(chi)輪(lun)轉(zhuan)(zhuan)速(su)要快于(yu)馬上(shang)要換入這(zhe)個(ge)擋位的(de)(de)齒(chi)輪(lun),如(ru)果沒有(you)同步器(qi),把個(ge)慢速(su)旋轉(zhuan)(zhuan)的(de)(de)齒(chi)輪(lun)強行塞入一個(ge)高(gao)速(su)旋轉(zhuan)(zhuan)的(de)(de)齒(chi)輪(lun)中,肯定會發生打齒(chi)的(de)(de)現(xian)象。
同步器的作用就(jiu)是(shi)在(zai)換擋(dang)(dang)動作發生(sheng)時,將即(ji)將換入擋(dang)(dang)位的齒(chi)輪轉速提升至和輸出(chu)端齒(chi)輪速度同步的狀態,這(zhe)樣換擋(dang)(dang)時候就(jiu)不會存在(zai)打齒(chi)現(xian)象了。
明白了打齒(chi)的(de)(de)現象(xiang)發生,那(nei)為什么很(hen)(hen)(hen)多車正向行駛(shi)時候就不(bu)存在打齒(chi),而一掛(gua)入(ru)倒(dao)(dao)擋(dang)就打齒(chi),那(nei)是(shi)因(yin)為很(hen)(hen)(hen)多車型的(de)(de)倒(dao)(dao)擋(dang)是(shi)沒(mei)有安裝倒(dao)(dao)擋(dang)同步器的(de)(de),因(yin)為廠商的(de)(de)理念里,倒(dao)(dao)擋(dang)是(shi)需要完全停止再掛(gua)入(ru)并(bing)且使用(yong)的(de)(de)機會(hui)相對小了很(hen)(hen)(hen)多,所以出于簡化變速箱結(jie)構(gou)和節(jie)省(sheng)成本的(de)(de)目的(de)(de),很(hen)(hen)(hen)多中(zhong)低(di)端(duan)手動(dong)變速箱的(de)(de)倒(dao)(dao)擋(dang)就沒(mei)有安裝倒(dao)(dao)擋(dang)同步器。
沒有(you)安裝倒(dao)(dao)(dao)擋(dang)同(tong)步(bu)器的(de)手動變(bian)速箱就會(hui)存在掛(gua)(gua)入(ru)倒(dao)(dao)(dao)擋(dang)打(da)齒的(de)現(xian)象。當然了,這里也(ye)和用(yong)(yong)戶使用(yong)(yong)習慣(guan)有(you)非(fei)常(chang)大(da)的(de)關(guan)系,因為倒(dao)(dao)(dao)擋(dang)本身不含同(tong)步(bu)器,需要完全把車輛停止,讓動力輸出端(duan)速度降低到和倒(dao)(dao)(dao)擋(dang)齒輪(這時候倒(dao)(dao)(dao)擋(dang)齒輪是(shi)靜止的(de))之間的(de)轉(zhuan)速差變(bian)小,這樣才能保證掛(gua)(gua)如倒(dao)(dao)(dao)擋(dang)比較平順且沒有(you)打(da)齒。很多(duo)用(yong)(yong)戶車末(mo)停穩就著急立刻掛(gua)(gua)入(ru)倒(dao)(dao)(dao)擋(dang),自然會(hui)讓沒有(you)同(tong)步(bu)器的(de)倒(dao)(dao)(dao)擋(dang)很受傷,打(da)齒就會(hui)發生。
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