減震(zhen)(zhen)(zhen)器(qi)(qi)(Absorber) ,減震(zhen)(zhen)(zhen)器(qi)(qi)主要用(yong)來抑制(zhi)彈(dan)(dan)(dan)簧吸震(zhen)(zhen)(zhen)后反彈(dan)(dan)(dan)時(shi)的(de)(de)震(zhen)(zhen)(zhen)蕩及來自路(lu)面(mian)的(de)(de)沖擊。在經過(guo)不平(ping)路(lu)面(mian)時(shi),雖然吸震(zhen)(zhen)(zhen)彈(dan)(dan)(dan)簧可以過(guo)濾路(lu)面(mian)的(de)(de)震(zhen)(zhen)(zhen)動(dong),但彈(dan)(dan)(dan)簧自身還會(hui)(hui)有往(wang)復(fu)運動(dong),而減震(zhen)(zhen)(zhen)器(qi)(qi)就是用(yong)來抑制(zhi)這種彈(dan)(dan)(dan)簧跳躍(yue)的(de)(de)。減震(zhen)(zhen)(zhen)器(qi)(qi)太(tai)(tai)(tai)軟,車(che)身就會(hui)(hui)上下跳躍(yue),減震(zhen)(zhen)(zhen)器(qi)(qi)太(tai)(tai)(tai)硬(ying)就會(hui)(hui)帶來太(tai)(tai)(tai)大的(de)(de)阻力,妨(fang)礙彈(dan)(dan)(dan)簧正常工(gong)作。在關于(yu)懸掛(gua)系統(tong)的(de)(de)改裝(zhuang)過(guo)程中,硬(ying)的(de)(de)減震(zhen)(zhen)(zhen)器(qi)(qi)要與硬(ying)的(de)(de)彈(dan)(dan)(dan)簧相搭(da)配,而彈(dan)(dan)(dan)簧的(de)(de)硬(ying)度又(you)與車(che)重(zhong)息(xi)息(xi)相關,因此較重(zhong)的(de)(de)車(che)一(yi)般采用(yong)較硬(ying)的(de)(de)減震(zhen)(zhen)(zhen)器(qi)(qi)。與引震(zhen)(zhen)(zhen)曲軸(zhou)相接的(de)(de)裝(zhuang)置,用(yong)來抗衡曲軸(zhou)的(de)(de)扭(niu)轉震(zhen)(zhen)(zhen)動(dong)(即曲軸(zhou)受汽缸點火的(de)(de)沖擊力而扭(niu)動(dong)的(de)(de)現(xian)象)。
懸架(jia)系(xi)統中(zhong)(zhong)由于彈性(xing)元(yuan)件(jian)受沖擊產生震(zhen)(zhen)動(dong)(dong)(dong),為(wei)(wei)改(gai)善(shan)汽(qi)車(che)(che)(che)(che)行駛平順性(xing),懸架(jia)中(zhong)(zhong)與彈性(xing)元(yuan)件(jian)并(bing)聯安(an)裝減(jian)(jian)(jian)(jian)(jian)(jian)震(zhen)(zhen)器,為(wei)(wei)衰減(jian)(jian)(jian)(jian)(jian)(jian)震(zhen)(zhen)動(dong)(dong)(dong),汽(qi)車(che)(che)(che)(che)懸架(jia)系(xi)統中(zhong)(zhong)采用減(jian)(jian)(jian)(jian)(jian)(jian)震(zhen)(zhen)器多是液力減(jian)(jian)(jian)(jian)(jian)(jian)震(zhen)(zhen)器,其工作(zuo)原理(li)是當車(che)(che)(che)(che)架(jia)(或車(che)(che)(che)(che)身)和(he)車(che)(che)(che)(che)橋間(jian)(jian)震(zhen)(zhen)動(dong)(dong)(dong)而出現相對(dui)運動(dong)(dong)(dong)時(shi),減(jian)(jian)(jian)(jian)(jian)(jian)震(zhen)(zhen)器內(nei)的(de)活塞(sai)上下移動(dong)(dong)(dong),減(jian)(jian)(jian)(jian)(jian)(jian)震(zhen)(zhen)器腔(qiang)內(nei)的(de)油液便反復地(di)從一個腔(qiang)經過(guo)不(bu)(bu)同(tong)的(de)孔隙(xi)流(liu)入另一個腔(qiang)內(nei)。此時(shi)孔壁與油液間(jian)(jian)的(de)摩(mo)擦和(he)油液分子間(jian)(jian)的(de)內(nei)摩(mo)擦對(dui)震(zhen)(zhen)動(dong)(dong)(dong)形成阻尼力,使汽(qi)車(che)(che)(che)(che)震(zhen)(zhen)動(dong)(dong)(dong)能(neng)(neng)量轉(zhuan)化為(wei)(wei)油液熱能(neng)(neng),再由減(jian)(jian)(jian)(jian)(jian)(jian)震(zhen)(zhen)器吸(xi)收散發到(dao)大氣中(zhong)(zhong)。在油液通道截面和(he)等(deng)因(yin)素不(bu)(bu)變時(shi),阻尼力隨車(che)(che)(che)(che)架(jia)與車(che)(che)(che)(che)橋(或車(che)(che)(che)(che)輪)之間(jian)(jian)的(de)相對(dui)運動(dong)(dong)(dong)速度增減(jian)(jian)(jian)(jian)(jian)(jian),并(bing)與油液粘度有關(guan)[1] 。
減(jian)(jian)(jian)震器(qi)(qi)與彈性元件承擔著緩沖擊和減(jian)(jian)(jian)震的任務,阻尼力過大,將使懸架(jia)彈性變壞(huai),甚至使減(jian)(jian)(jian)震器(qi)(qi)連接(jie)件損壞(huai)。因(yin)而要調節彈性元件和減(jian)(jian)(jian)震器(qi)(qi)這一矛盾。
(1) 在壓縮行程(車橋(qiao)和車架相互靠近),減震(zhen)器(qi)阻(zu)尼力較小,以便充分發揮彈性(xing)元(yuan)件(jian)的彈性(xing)作(zuo)用(yong),緩和沖擊。這時,彈性(xing)元(yuan)件(jian)起(qi)主要作(zuo)用(yong)。
(2) 在(zai)懸(xuan)架(jia)伸張行程中(車橋和車架(jia)相(xiang)互遠離),減震器阻尼力應大(da),迅速減震。
(3) 當車橋(或車輪(lun))與車橋間的相對速度(du)過大時,要求減震器能自動加大液流量,使(shi)阻尼力始終保持在(zai)一(yi)定限(xian)度(du)之內(nei),以避免承受過大的沖(chong)擊載荷。
在汽車懸架(jia)系統中廣泛(fan)采用(yong)的(de)是筒式(shi)減震(zhen)器(qi)(qi),且在壓縮和伸張行程中均(jun)能起(qi)減震(zhen)作(zuo)用(yong)叫雙向作(zuo)用(yong)式(shi)減震(zhen)器(qi)(qi),還(huan)有采用(yong)新式(shi)減震(zhen)器(qi)(qi),它包(bao)括(kuo)充(chong)氣式(shi)減震(zhen)器(qi)(qi)和阻力可調式(shi)減震(zhen)器(qi)(qi)。
汽車減振器的安裝方法如下:
1、將車輛(liang)駛入(ru)工(gong)位,正確停放。將舉升機支撐(cheng)座伸(shen)入(ru)車輛(liang)底部,確保支撐(cheng)座和車輛(liang)車身支撐(cheng)點良好接(jie)(jie)觸。取下(xia)接(jie)(jie)雨板、雨刷器,拆卸輪(lun)胎(tai),拆卸下(xia)來的(de)輪(lun)胎(tai)平穩的(de)放在(zai)地上,外側朝上,將輪(lun)胎(tai)螺絲放在(zai)工(gong)具車上;
2、逐(zhu)步拆(chai)(chai)(chai)卸(xie)(xie)連接桿的螺(luo)(luo)絲,剎車油(you)管螺(luo)(luo)絲,剎車ABS線(xian)。螺(luo)(luo)絲拆(chai)(chai)(chai)卸(xie)(xie)后整理好放在工(gong)具(ju)車上(注意:小心拆(chai)(chai)(chai)卸(xie)(xie)油(you)管和(he)ABS線(xian)不要損(sun)壞)半軸(zhou)螺(luo)(luo)帽(mao)取(qu)下(xia),拆(chai)(chai)(chai)下(xia)自(zi)動系統。(注意:合理固定卡(ka)鉗,不要損(sun)壞油(you)管。)拆(chai)(chai)(chai)下(xia)方向拉桿(注意:用(yong)專用(yong)工(gong)具(ju)取(qu)下(xia)球頭)拆(chai)(chai)(chai)下(xia)車身高度傳感器(注意:小心拆(chai)(chai)(chai)下(xia),不要損(sun)壞)拆(chai)(chai)(chai)下(xia)下(xia)控制臂球頭取(qu)下(xia)上座(zuo)連接螺(luo)(luo)栓(shuan),將減震(zhen)器總成及轉(zhuan)向節(jie)總成一并拿出。(注意:需兩人配(pei)合操作,避(bi)免(mian)更換相關(guan)部件損(sun)壞);
3、原(yuan)(yuan)(yuan)車(che)(che)減(jian)震(zhen)器(qi)(qi)總(zong)(zong)成(cheng)(cheng)已拆卸完(wan)成(cheng)(cheng),開始更換新的減(jian)震(zhen)器(qi)(qi)總(zong)(zong)成(cheng)(cheng)。取(qu)出新的減(jian)震(zhen)器(qi)(qi)總(zong)(zong)成(cheng)(cheng),對比新舊無誤后方能安裝(zhuang)。將(jiang)新的減(jian)震(zhen)器(qi)(qi)總(zong)(zong)成(cheng)(cheng)安裝(zhuang)在(zai)轉(zhuan)(zhuan)向節總(zong)(zong)成(cheng)(cheng)上,將(jiang)減(jian)震(zhen)器(qi)(qi)總(zong)(zong)成(cheng)(cheng)及(ji)轉(zhuan)(zhuan)向節總(zong)(zong)成(cheng)(cheng)一同裝(zhuang)配回車(che)(che)輛。把ABS線(xian)(xian)、油管、拉桿球頭恢復原(yuan)(yuan)(yuan)位。將(jiang)自動系統全部復原(yuan)(yuan)(yuan),仔細檢查油管及(ji)其(qi)他(ta)線(xian)(xian)路有無干涉。將(jiang)車(che)(che)胎裝(zhuang)配回車(che)(che)(注意:仔細擰緊輪胎螺(luo)栓)依次將(jiang)接雨板、雨刷(shua)(shua)器(qi)(qi)裝(zhuang)配回原(yuan)(yuan)(yuan)車(che)(che)。(注意:安裝(zhuang)完(wan)成(cheng)(cheng)之(zhi)后,要記得調試雨刷(shua)(shua)器(qi)(qi))安裝(zhuang)完(wan)畢(bi),進行路試
探(tan)6的(de)車身設計,由曾(ceng)為日本三菱公司的(de)首席設計師(shi)的(de)北京阿(a)爾特(中(zhong)國)汽車設計公司董事(shi)長宣奇武親自執(zhi)筆。 福(fu)迪探(tan)索者6共(gong)有云(yun)(yun)(yun)母黑、云(yun)(yun)(yun)彩(cai)黃(huang)、萊茵灰、別克灰、福(fu)特灰5種顏色,其中(zhong)云(yun)(yun)(yun)彩(cai)黃(huang)尤為顯(xian)眼(yan),將此款SUV的(de)尊貴感覺體現得淋漓盡(jin)致(zhi)。
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