變速(su)(su)器齒輪的作用是輸出(chu)動(dong)力,實(shi)現變速(su)(su)器傳動(dong)比的變換(huan)(huan),即(ji)實(shi)現換(huan)(huan)檔,以(yi)達到變速(su)(su)的作用。變速(su)(su)器齒輪經常在(zai)高轉速(su)(su)、高負荷(he)(he)、轉速(su)(su)和負荷(he)(he)不斷交變的情況下工作,因此(ci)容易損壞。
1、輸(shu)出軸(主軸)倒檔(dang)齒輪(lun),俗稱倒檔(dang)從動齒輪(lun);
2、中(zhong)間軸(副(fu)軸)倒檔齒(chi)輪,一般與(yu)中(zhong)間軸制為(wei)一體;
3、倒(dao)(dao)檔惰輪(lun),裝在倒(dao)(dao)檔軸上,用來進行變(bian)換輸(shu)出軸主旋向。
1、先安(an)(an)裝(zhuang)(zhuang)好(hao)掛鉤的所有叉子,安(an)(an)裝(zhuang)(zhuang)可以確(que)認的輸入軸、齒輪,以叉子為準,看是否安(an)(an)裝(zhuang)(zhuang)該部件,確(que)認是一(yi)檔、二檔,然后逐(zhu)一(yi)安(an)(an)裝(zhuang)(zhuang)。
2、變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)器(qi)(qi)變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)器(qi)(qi)主要是(shi)(shi)指汽(qi)車變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)器(qi)(qi),分為手(shou)動(dong)(dong)(dong)(dong)、自(zi)動(dong)(dong)(dong)(dong)兩種(zhong)。手(shou)動(dong)(dong)(dong)(dong)變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)器(qi)(qi)主要由齒(chi)輪(lun)和(he)軸構成(cheng)(cheng),通過(guo)不同齒(chi)輪(lun)的(de)組(zu)合產(chan)生(sheng)變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)轉(zhuan)矩(ju),另外(wai)一方面,自(zi)動(dong)(dong)(dong)(dong)變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)器(qi)(qi)AT由液力(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)器(qi)(qi)、行星(xing)齒(chi)輪(lun)、液壓操作系統構成(cheng)(cheng),通過(guo)流體傳(chuan)(chuan)遞(di)和(he)齒(chi)輪(lun)的(de)組(zu)合產(chan)生(sheng)變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)轉(zhuan)矩(ju)變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)器(qi)(qi)的(de)功能是(shi)(shi)改變(bian)(bian)(bian)(bian)(bian)傳(chuan)(chuan)動(dong)(dong)(dong)(dong)比使(shi)發動(dong)(dong)(dong)(dong)機(ji)在有利的(de)情況下工作,在不改變(bian)(bian)(bian)(bian)(bian)發動(dong)(dong)(dong)(dong)機(ji)旋轉(zhuan)方向的(de)情況下使(shi)汽(qi)車后(hou)退行駛,利用空檔切斷動(dong)(dong)(dong)(dong)力(li)傳(chuan)(chuan)遞(di),使(shi)發動(dong)(dong)(dong)(dong)機(ji)能夠(gou)起動(dong)(dong)(dong)(dong)、怠速(su)(su)(su)(su),使(shi)變(bian)(bian)(bian)(bian)(bian)速(su)(su)(su)(su)器(qi)(qi)的(de)換擋和(he)動(dong)(dong)(dong)(dong)力(li)輸出變(bian)(bian)(bian)(bian)(bian)得(de)容(rong)易(yi)。
變速器(qi)齒輪(lun)的安(an)裝方法:
1、拉出撥叉(cha)軸(zhou),墊(dian)(dian)圈厚度是否合適,各處(chu)紙墊(dian)(dian)圈是否完好。組裝(zhuang)后,請旋轉(zhuan)輸(shu)入軸(zhou),依次(ci)掛(gua)上各擋塊進行(xing)主操作,防止安(an)裝(zhuang)錯誤(wu)和安(an)裝(zhuang)遺漏,并旋松拆卸順序(xu)和堵頭螺栓(shuan)。檢查所有墊(dian)(dian)片(pian);
2、按組裝(zhuang)順(shun)(shun)序(xu)(xu)安裝(zhuang)變(bian)速器(qi)時,其零部件組裝(zhuang)順(shun)(shun)序(xu)(xu)與拆(chai)卸(xie)時的(de)順(shun)(shun)序(xu)(xu)相反,確保各齒輪嚙合面。安裝(zhuang)過程中請(qing)始終(zhong)轉動(dong)配合;
3、請注意零件的(de)潤滑,在安裝軸承前涂抹黃油(you)或(huo)(huo)油(you)。從(cong)鏈輪方向拉出(chu)輸出(chu)軸,然后拉出(chu)兩端的(de)軸承。曾拆(chai)下倒(dao)檔軸(或(huo)(huo)中間軸)及倒(dao)檔齒輪。
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