一、液力變矩器由什么組成
液(ye)(ye)力(li)(li)變(bian)(bian)(bian)矩(ju)(ju)器(qi)可(ke)以借(jie)助于(yu)(yu)液(ye)(ye)體(ti)(ti)的(de)(de)高速(su)運動(dong)(dong)來傳遞(di)功率,一(yi)般由四部(bu)分組成(cheng):1、泵(beng)(beng)輪(lun):泵(beng)(beng)輪(lun)是(shi)液(ye)(ye)力(li)(li)變(bian)(bian)(bian)扭(niu)(niu)器(qi)的(de)(de)主(zhu)動(dong)(dong)元(yuan)(yuan)件(jian),與(yu)(yu)液(ye)(ye)力(li)(li)變(bian)(bian)(bian)矩(ju)(ju)器(qi)殼(ke)(ke)制(zhi)成(cheng)(或焊接(jie)(jie))一(yi)體(ti)(ti),液(ye)(ye)力(li)(li)變(bian)(bian)(bian)矩(ju)(ju)器(qi)殼(ke)(ke)體(ti)(ti)總成(cheng)用(yong)螺栓固(gu)定于(yu)(yu)發動(dong)(dong)機曲(qu)軸(zhou)(zhou)后端凸緣上(shang),隨曲(qu)軸(zhou)(zhou)一(yi)起旋轉。泵(beng)(beng)輪(lun)內(nei)部(bu)有一(yi)系列徑向(xiang)(xiang)向(xiang)(xiang)后彎曲(qu)的(de)(de)葉(xie)(xie)片(pian)(pian),以給(gei)工(gong)作液(ye)(ye)一(yi)個額外加速(su)度和(he)附(fu)加能(neng)量。2、渦(wo)(wo)輪(lun):渦(wo)(wo)輪(lun)是(shi)液(ye)(ye)力(li)(li)變(bian)(bian)(bian)矩(ju)(ju)器(qi)的(de)(de)從動(dong)(dong)元(yuan)(yuan)件(jian),它(ta)通過花(hua)鍵與(yu)(yu)行星齒(chi)輪(lun)變(bian)(bian)(bian)速(su)器(qi)輸入軸(zhou)(zhou)連(lian)接(jie)(jie),從運動(dong)(dong)的(de)(de)液(ye)(ye)體(ti)(ti)吸收動(dong)(dong)能(neng)并把動(dong)(dong)能(neng)轉變(bian)(bian)(bian)為(wei)旋轉動(dong)(dong)能(neng)。如(ru)同泵(beng)(beng)輪(lun)一(yi)樣,渦(wo)(wo)輪(lun)也(ye)裝(zhuang)有許多葉(xie)(xie)片(pian)(pian),但(dan)是(shi)渦(wo)(wo)輪(lun)葉(xie)(xie)片(pian)(pian)要(yao)多于(yu)(yu)泵(beng)(beng)輪(lun)葉(xie)(xie)片(pian)(pian),而且(qie)彎曲(qu)方向(xiang)(xiang)也(ye)與(yu)(yu)泵(beng)(beng)輪(lun)葉(xie)(xie)片(pian)(pian)彎曲(qu)方向(xiang)(xiang)相(xiang)反。3、導輪(lun):導輪(lun)位于(yu)(yu)泵(beng)(beng)輪(lun)與(yu)(yu)渦(wo)(wo)輪(lun)之間,是(shi)液(ye)(ye)力(li)(li)變(bian)(bian)(bian)矩(ju)(ju)器(qi)的(de)(de)反應元(yuan)(yuan)件(jian),它(ta)通過單向(xiang)(xiang)離合器(qi)安裝(zhuang)在(zai)(zai)導輪(lun)套管(與(yu)(yu)變(bian)(bian)(bian)速(su)器(qi)殼(ke)(ke)體(ti)(ti)相(xiang)連(lian))上(shang),用(yong)以控制(zhi)從渦(wo)(wo)輪(lun)中心回(hui)到泵(beng)(beng)輪(lun)中間的(de)(de)液(ye)(ye)體(ti)(ti)回(hui)流,即改變(bian)(bian)(bian)離開渦(wo)(wo)輪(lun)返回(hui)泵(beng)(beng)輪(lun)的(de)(de)液(ye)(ye)流方向(xiang)(xiang)。4、殼(ke)(ke)體(ti)(ti):液(ye)(ye)力(li)(li)變(bian)(bian)(bian)扭(niu)(niu)器(qi)殼(ke)(ke)體(ti)(ti)有組裝(zhuang)(可(ke)拆(chai))式和(he)焊接(jie)(jie)(不(bu)可(ke)拆(chai))式兩(liang)種。組裝(zhuang)式殼(ke)(ke)體(ti)(ti),即殼(ke)(ke)體(ti)(ti)做(zuo)成(cheng)兩(liang)半,用(yong)螺栓連(lian)接(jie)(jie)在(zai)(zai)一(yi)起,為(wei)可(ke)拆(chai)式,其維修(xiu)方便,平衡(heng)精度不(bu)高,用(yong)在(zai)(zai)轉速(su)較(jiao)低的(de)(de)場合。焊接(jie)(jie)式液(ye)(ye)力(li)(li)變(bian)(bian)(bian)矩(ju)(ju)器(qi)一(yi)般是(shi)不(bu)可(ke)拆(chai)卸的(de)(de),如(ru)重型載貨汽車用(yong)的(de)(de)大尺寸(cun)液(ye)(ye)力(li)(li)變(bian)(bian)(bian)扭(niu)(niu)器(qi),拆(chai)檢后將會影(ying)響其平衡(heng)狀況。
二、液力變矩器的原理是什么
液(ye)(ye)力(li)(li)變(bian)(bian)矩器(qi)主(zhu)要是依靠泵(beng)輪(lun)(lun)(lun)(lun)(lun)、渦(wo)輪(lun)(lun)(lun)(lun)(lun)和導(dao)輪(lun)(lun)(lun)(lun)(lun)三個(ge)工作(zuo)(zuo)輪(lun)(lun)(lun)(lun)(lun)來(lai)傳遞功率(lv)的(de)(de),工作(zuo)(zuo)時,發動機運轉時帶動液(ye)(ye)力(li)(li)變(bian)(bian)扭(niu)器(qi)的(de)(de)殼體和泵(beng)輪(lun)(lun)(lun)(lun)(lun)與之一(yi)同旋(xuan)轉,泵(beng)輪(lun)(lun)(lun)(lun)(lun)內(nei)的(de)(de)液(ye)(ye)壓(ya)(ya)油在(zai)離心力(li)(li)的(de)(de)作(zuo)(zuo)用下(xia),由(you)泵(beng)輪(lun)(lun)(lun)(lun)(lun)葉片(pian)(pian)外緣沖向渦(wo)輪(lun)(lun)(lun)(lun)(lun),并沿渦(wo)輪(lun)(lun)(lun)(lun)(lun)葉片(pian)(pian)流向導(dao)輪(lun)(lun)(lun)(lun)(lun),再經導(dao)輪(lun)(lun)(lun)(lun)(lun)葉片(pian)(pian)流回泵(beng)輪(lun)(lun)(lun)(lun)(lun)葉片(pian)(pian)內(nei)緣,形成(cheng)循環的(de)(de)液(ye)(ye)流。導(dao)輪(lun)(lun)(lun)(lun)(lun)的(de)(de)作(zuo)(zuo)用是改(gai)變(bian)(bian)渦(wo)輪(lun)(lun)(lun)(lun)(lun)上的(de)(de)輸出扭(niu)矩。由(you)于從渦(wo)輪(lun)(lun)(lun)(lun)(lun)葉片(pian)(pian)下(xia)緣流向導(dao)輪(lun)(lun)(lun)(lun)(lun)的(de)(de)液(ye)(ye)壓(ya)(ya)油仍有相當大(da)的(de)(de)沖擊(ji)力(li)(li),只要將泵(beng)輪(lun)(lun)(lun)(lun)(lun)、渦(wo)輪(lun)(lun)(lun)(lun)(lun)和導(dao)輪(lun)(lun)(lun)(lun)(lun)的(de)(de)葉片(pian)(pian)設計成(cheng)一(yi)定的(de)(de)形狀(zhuang)和角度,就可以利用上述沖擊(ji)力(li)(li)來(lai)提(ti)高渦(wo)輪(lun)(lun)(lun)(lun)(lun)的(de)(de)輸出扭(niu)矩。
三、液力變矩器的作用是什么
液(ye)(ye)(ye)(ye)力(li)(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)以(yi)液(ye)(ye)(ye)(ye)體為(wei)工作介質進行液(ye)(ye)(ye)(ye)壓傳(chuan)(chuan)(chuan)(chuan)動(dong)(dong),其(qi)主要的(de)(de)(de)作用(yong)包括:1、傳(chuan)(chuan)(chuan)(chuan)遞轉矩(ju)(ju)(ju)(ju):發(fa)(fa)動(dong)(dong)機的(de)(de)(de)轉矩(ju)(ju)(ju)(ju)通(tong)過(guo)液(ye)(ye)(ye)(ye)力(li)(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)的(de)(de)(de)主動(dong)(dong)元件(jian),再通(tong)過(guo)ATF傳(chuan)(chuan)(chuan)(chuan)給(gei)(gei)液(ye)(ye)(ye)(ye)力(li)(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)的(de)(de)(de)從動(dong)(dong)元件(jian),最后傳(chuan)(chuan)(chuan)(chuan)給(gei)(gei)變(bian)(bian)(bian)(bian)(bian)速(su)(su)器(qi)(qi)。2、無級變(bian)(bian)(bian)(bian)(bian)速(su)(su):液(ye)(ye)(ye)(ye)力(li)(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)可以(yi)在(zai)(zai)一定(ding)(ding)范圍內實現轉速(su)(su)和(he)(he)轉矩(ju)(ju)(ju)(ju)的(de)(de)(de)無級變(bian)(bian)(bian)(bian)(bian)化(hua),所以(yi)有了液(ye)(ye)(ye)(ye)力(li)(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)的(de)(de)(de)車總是能(neng)在(zai)(zai)起步(bu)(bu)的(de)(de)(de)一剎那(nei)兒獲得一個很大(da)的(de)(de)(de)起步(bu)(bu)優勢,這就是變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)的(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)作用(yong),就是在(zai)(zai)你(ni)同時(shi)(shi)踩住油門(men)剎車變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)儲(chu)存(cun)了一部分能(neng)量(liang)3、自(zi)動(dong)(dong)離合(he)(he):液(ye)(ye)(ye)(ye)力(li)(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)由于(yu)采用(yong)ATF傳(chuan)(chuan)(chuan)(chuan)遞動(dong)(dong)力(li)(li),當踩下制動(dong)(dong)踏板時(shi)(shi),發(fa)(fa)動(dong)(dong)機也不會熄(xi)火,此時(shi)(shi)相(xiang)當于(yu)離合(he)(he)器(qi)(qi)分離。相(xiang)比于(yu)雙(shuang)離合(he)(he)變(bian)(bian)(bian)(bian)(bian)速(su)(su)箱來(lai)說,液(ye)(ye)(ye)(ye)力(li)(li)變(bian)(bian)(bian)(bian)(bian)矩(ju)(ju)(ju)(ju)器(qi)(qi)又可以(yi)通(tong)過(guo)油液(ye)(ye)(ye)(ye)的(de)(de)(de)軟性連(lian)接(jie),和(he)(he)自(zi)身的(de)(de)(de)油液(ye)(ye)(ye)(ye)冷卻,也不會有雙(shuang)離合(he)(he)變(bian)(bian)(bian)(bian)(bian)速(su)(su)箱的(de)(de)(de)離合(he)(he)片過(guo)熱的(de)(de)(de)問題,在(zai)(zai)平(ping)順性和(he)(he)低速(su)(su)的(de)(de)(de)持(chi)續穩定(ding)(ding)工作有天然的(de)(de)(de)優勢。
四、液力變矩器壞了表現有哪些
1、加速緩慢:液力變矩器損壞后,變速器可能無法正常地將發動機輸出的扭矩傳遞到車輪上,導致加速緩慢、反應遲鈍。2、損耗油液:液力變矩器內部有液體封閉循環,如果密封性不好就會造成液體泄漏,消耗掉更多的變速器油液。3、發動機轉速異常高:當車輛在行駛時,發動機轉速異常高,卻沒有達到預期的車速,這是因為液力變矩器的故障阻礙了扭矩輸出。4、變速箱抖動:變速箱抖動是因為液力變矩器損壞后,變速箱內部壓力不均衡,導致變速箱內的零件摩擦或者劇烈震動。5、漏油:當液力變矩器出現泄漏時,會有油漬出現在車底下,也可能出現變速器油液異常下降的情況。如果您遇到以上問題,就要考慮是不是汽車液力變矩器損壞了,建議立即聯系專業的汽車修理工或維修站檢查,如有損壞,及時維修或更換液力變矩器,更換的話,要注意選擇正規液力變矩器品牌的產品進行更換。