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。
更多資料如下:
1、同(tong)(tong)(tong)(tong)(tong)步器(qi)的組成:由(you)同(tong)(tong)(tong)(tong)(tong)一步裝(zhuang)(zhuang)置(zhi)(包括推動件(jian)、摩(mo)擦(ca)件(jian))、鎖止裝(zhuang)(zhuang)置(zhi)和接(jie)合裝(zhuang)(zhuang)置(zhi)三部分(fen)組成。同(tong)(tong)(tong)(tong)(tong)步器(qi)有常壓式(shi)(shi)、慣(guan)性(xing)(xing)式(shi)(shi)、自增力式(shi)(shi)等(deng)多種。目前所(suo)有的同(tong)(tong)(tong)(tong)(tong)步器(qi)幾乎都(dou)采用摩(mo)擦(ca)慣(guan)性(xing)(xing)式(shi)(shi)同(tong)(tong)(tong)(tong)(tong)步裝(zhuang)(zhuang)置(zhi),根(gen)據鎖止裝(zhuang)(zhuang)置(zhi)的不同(tong)(tong)(tong)(tong)(tong),又分(fen)為鎖環式(shi)(shi)慣(guan)性(xing)(xing)同(tong)(tong)(tong)(tong)(tong)步器(qi)和鎖銷式(shi)(shi)慣(guan)性(xing)(xing)同(tong)(tong)(tong)(tong)(tong)步器(qi)。
2、除了倒擋(dang)和一(yi)(yi)檔外,其(qi)他檔位均配(pei)置(zhi)同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi):目前(qian),在大多數轎車(che)和大貨(huo)車(che)上,除了倒擋(dang)和一(yi)(yi)檔外,其(qi)他檔位均配(pei)置(zhi)同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi),并且對同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)的要(yao)求是轉(zhuan)矩容量大,性能穩定,耐(nai)用(yong),具備(bei)良(liang)好的經濟性。一(yi)(yi)般而言,大多數汽車(che)均配(pei)備(bei)慣(guan)性同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)。慣(guan)性式(shi)(shi)同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)能確保同(tong)(tong)(tong)步(bu)(bu)嚙合換擋(dang),性能穩定可(ke)靠(kao)。它可(ke)分(fen)為兩大類:慣(guan)性鎖(suo)(suo)(suo)止(zhi)式(shi)(shi)同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)和慣(guan)性增(zeng)力式(shi)(shi)同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)。使用(yong)最廣泛的是鎖(suo)(suo)(suo)環式(shi)(shi),鎖(suo)(suo)(suo)銷式(shi)(shi)等慣(guan)性鎖(suo)(suo)(suo)止(zhi)式(shi)(shi)同(tong)(tong)(tong)步(bu)(bu)器(qi)(qi)。
手(shou)動(dong)變速箱的(de)(de)結(jie)構內部有(you)一個非(fei)常重要的(de)(de)設備,那就是(shi)"同(tong)步器(qi)”。同(tong)步器(qi)的(de)(de)作用(yong)是(shi)很顯而易見的(de)(de)那就是(shi)換擋時候由于動(dong)力輸出(chu)端齒輪(lun)(lun)轉(zhuan)速要快(kuai)于馬上要換入(ru)這個擋位的(de)(de)齒輪(lun)(lun),如果沒有(you)同(tong)步器(qi),把個慢速旋(xuan)(xuan)轉(zhuan)的(de)(de)齒輪(lun)(lun)強行(xing)塞入(ru)一個高速旋(xuan)(xuan)轉(zhuan)的(de)(de)齒輪(lun)(lun)中,肯定會發生打齒的(de)(de)現象。
同步器的(de)作(zuo)用就是(shi)在(zai)換擋動作(zuo)發生(sheng)時,將即將換入擋位的(de)齒(chi)(chi)輪轉(zhuan)速提升至和輸出端齒(chi)(chi)輪速度(du)同步的(de)狀態(tai),這樣換擋時候就不會存在(zai)打齒(chi)(chi)現象(xiang)了。
明(ming)白了打齒的(de)現象發(fa)生(sheng),那為(wei)什么很多(duo)(duo)車正向行(xing)駛時候就不(bu)存(cun)在打齒,而一(yi)掛(gua)入倒擋(dang)(dang)就打齒,那是(shi)因(yin)為(wei)很多(duo)(duo)車型的(de)倒擋(dang)(dang)是(shi)沒有安裝倒擋(dang)(dang)同(tong)(tong)步器(qi)的(de),因(yin)為(wei)廠(chang)商(shang)的(de)理念里,倒擋(dang)(dang)是(shi)需要完全停止(zhi)再掛(gua)入并且使用的(de)機會相對(dui)小了很多(duo)(duo),所以出于簡化變(bian)速箱結構和節省成本的(de)目的(de),很多(duo)(duo)中(zhong)低端手動變(bian)速箱的(de)倒擋(dang)(dang)就沒有安裝倒擋(dang)(dang)同(tong)(tong)步器(qi)。
沒有安(an)裝(zhuang)倒擋(dang)(dang)(dang)(dang)(dang)同步器(qi)的(de)(de)(de)手動變速(su)(su)箱就會存在掛入倒擋(dang)(dang)(dang)(dang)(dang)打齒的(de)(de)(de)現象。當(dang)然(ran)了,這里也和用戶(hu)使用習(xi)慣有非(fei)常(chang)大的(de)(de)(de)關系,因為倒擋(dang)(dang)(dang)(dang)(dang)本身(shen)不(bu)含(han)同步器(qi),需要(yao)完全把車輛(liang)停止,讓動力輸出端速(su)(su)度降(jiang)低(di)到和倒擋(dang)(dang)(dang)(dang)(dang)齒輪(這時候倒擋(dang)(dang)(dang)(dang)(dang)齒輪是靜止的(de)(de)(de))之間的(de)(de)(de)轉速(su)(su)差變小(xiao),這樣才能保證掛如倒擋(dang)(dang)(dang)(dang)(dang)比較平順且沒有打齒。很(hen)多用戶(hu)車末停穩就著急立刻(ke)掛入倒擋(dang)(dang)(dang)(dang)(dang),自(zi)然(ran)會讓沒有同步器(qi)的(de)(de)(de)倒擋(dang)(dang)(dang)(dang)(dang)很(hen)受傷,打齒就會發生。
豐田杰(jie)路馳的原型(xing)(xing)車(che)(che)(che)是豐田北美(mei)品(pin)牌(pai)Scion旗下的Scion tC車(che)(che)(che)型(xing)(xing)。Scion品(pin)牌(pai)主要針(zhen)對年輕人(ren)市場,主推時尚、動感、個(ge)性(xing)的車(che)(che)(che)型(xing)(xing)。ZELAS在(zai)去年年底的廣州車(che)(che)(che)展進(jin)(jin)行(xing)了中國首發,而在(zai)此次正(zheng)式進(jin)(jin)入中國市場后,將貼上豐田車(che)(che)(che)標(biao)進(jin)(jin)行(xing)銷售(shou),主打25-30萬(wan)元(yuan)級(ji)的進(jin)(jin)口雙(shuang)門跑車(che)(che)(che)市場。
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