減(jian)(jian)(jian)(jian)震(zhen)(zhen)(zhen)器(Absorber) ,減(jian)(jian)(jian)(jian)震(zhen)(zhen)(zhen)器主要用來抑制彈(dan)(dan)(dan)簧(huang)吸震(zhen)(zhen)(zhen)后(hou)反彈(dan)(dan)(dan)時(shi)的(de)(de)(de)震(zhen)(zhen)(zhen)蕩及來自路面的(de)(de)(de)沖擊(ji)。在經過不平路面時(shi),雖然吸震(zhen)(zhen)(zhen)彈(dan)(dan)(dan)簧(huang)可(ke)以過濾路面的(de)(de)(de)震(zhen)(zhen)(zhen)動(dong)(dong),但彈(dan)(dan)(dan)簧(huang)自身還會有往復運動(dong)(dong),而減(jian)(jian)(jian)(jian)震(zhen)(zhen)(zhen)器就(jiu)(jiu)是用來抑制這種彈(dan)(dan)(dan)簧(huang)跳(tiao)躍的(de)(de)(de)。減(jian)(jian)(jian)(jian)震(zhen)(zhen)(zhen)器太軟(ruan),車身就(jiu)(jiu)會上下跳(tiao)躍,減(jian)(jian)(jian)(jian)震(zhen)(zhen)(zhen)器太硬(ying)就(jiu)(jiu)會帶來太大的(de)(de)(de)阻力,妨礙彈(dan)(dan)(dan)簧(huang)正常工(gong)作。在關于懸掛系統(tong)的(de)(de)(de)改裝過程中,硬(ying)的(de)(de)(de)減(jian)(jian)(jian)(jian)震(zhen)(zhen)(zhen)器要與(yu)(yu)硬(ying)的(de)(de)(de)彈(dan)(dan)(dan)簧(huang)相(xiang)搭配,而彈(dan)(dan)(dan)簧(huang)的(de)(de)(de)硬(ying)度又與(yu)(yu)車重息息相(xiang)關,因此(ci)較(jiao)重的(de)(de)(de)車一般采(cai)用較(jiao)硬(ying)的(de)(de)(de)減(jian)(jian)(jian)(jian)震(zhen)(zhen)(zhen)器。與(yu)(yu)引震(zhen)(zhen)(zhen)曲軸相(xiang)接的(de)(de)(de)裝置,用來抗衡曲軸的(de)(de)(de)扭轉(zhuan)震(zhen)(zhen)(zhen)動(dong)(dong)(即(ji)曲軸受(shou)汽缸點火的(de)(de)(de)沖擊(ji)力而扭動(dong)(dong)的(de)(de)(de)現象)。
懸(xuan)架系統中(zhong)(zhong)由于(yu)彈(dan)性(xing)元件(jian)受沖擊產(chan)生震(zhen)(zhen)動(dong),為(wei)改善汽(qi)車(che)行駛平順性(xing),懸(xuan)架中(zhong)(zhong)與(yu)(yu)(yu)彈(dan)性(xing)元件(jian)并聯安(an)裝減(jian)(jian)震(zhen)(zhen)器(qi),為(wei)衰減(jian)(jian)震(zhen)(zhen)動(dong),汽(qi)車(che)懸(xuan)架系統中(zhong)(zhong)采用減(jian)(jian)震(zhen)(zhen)器(qi)多是液(ye)(ye)(ye)力(li)減(jian)(jian)震(zhen)(zhen)器(qi),其工(gong)作(zuo)原(yuan)理是當車(che)架(或車(che)身)和(he)車(che)橋間震(zhen)(zhen)動(dong)而出現相(xiang)(xiang)對(dui)運動(dong)時(shi),減(jian)(jian)震(zhen)(zhen)器(qi)內的(de)活塞上下移動(dong),減(jian)(jian)震(zhen)(zhen)器(qi)腔內的(de)油(you)(you)液(ye)(ye)(ye)便反復(fu)地從一個腔經過(guo)不同的(de)孔(kong)(kong)隙流入另一個腔內。此時(shi)孔(kong)(kong)壁與(yu)(yu)(yu)油(you)(you)液(ye)(ye)(ye)間的(de)摩擦和(he)油(you)(you)液(ye)(ye)(ye)分子(zi)間的(de)內摩擦對(dui)震(zhen)(zhen)動(dong)形成阻尼力(li),使汽(qi)車(che)震(zhen)(zhen)動(dong)能量轉化為(wei)油(you)(you)液(ye)(ye)(ye)熱(re)能,再由減(jian)(jian)震(zhen)(zhen)器(qi)吸(xi)收散(san)發到大(da)氣中(zhong)(zhong)。在油(you)(you)液(ye)(ye)(ye)通(tong)道(dao)截面和(he)等(deng)因素(su)不變時(shi),阻尼力(li)隨車(che)架與(yu)(yu)(yu)車(che)橋(或車(che)輪)之(zhi)間的(de)相(xiang)(xiang)對(dui)運動(dong)速(su)度(du)增減(jian)(jian),并與(yu)(yu)(yu)油(you)(you)液(ye)(ye)(ye)粘度(du)有關[1] 。
減(jian)震(zhen)(zhen)器(qi)(qi)與彈性元件(jian)承擔著緩沖(chong)擊和減(jian)震(zhen)(zhen)的(de)任(ren)務,阻尼力過大,將使懸架(jia)彈性變壞,甚(shen)至使減(jian)震(zhen)(zhen)器(qi)(qi)連接件(jian)損(sun)壞。因而要調節(jie)彈性元件(jian)和減(jian)震(zhen)(zhen)器(qi)(qi)這一矛盾。
(1) 在壓縮行程(車(che)橋和車(che)架相互靠近),減震器阻尼(ni)力較小,以便充分發揮(hui)彈性元(yuan)件的彈性作用,緩和沖擊。這(zhe)時,彈性元(yuan)件起主要(yao)作用。
(2) 在懸架伸張(zhang)行程中(車橋和車架相互遠離),減震器阻尼力應大,迅速減震。
(3) 當車橋(qiao)(或車輪(lun))與車橋(qiao)間的相(xiang)對速(su)度過大(da)時,要求減震器能自動加(jia)大(da)液流(liu)量,使阻尼(ni)力始終(zhong)保持(chi)在一定限度之內,以避免承(cheng)受過大(da)的沖擊載(zai)荷。
在(zai)汽車懸架系統中(zhong)廣泛采用的是筒式(shi)減(jian)(jian)震器,且在(zai)壓縮和伸張行程中(zhong)均能起減(jian)(jian)震作(zuo)用叫雙向作(zuo)用式(shi)減(jian)(jian)震器,還有采用新式(shi)減(jian)(jian)震器,它包括充氣式(shi)減(jian)(jian)震器和阻力可(ke)調(diao)式(shi)減(jian)(jian)震器。
是指裝車時需另外配裝螺旋彈簧、彈簧座、防壓墊、軸承等外結構件產品
減震器在更換安裝前應檢查如下附屬外結構件質量情況:軸承運動靈活,防壓墊內表面無開裂及破損現象,螺旋彈簧不存在疲勞、衰減現象,減震橡膠應無永久變形、老化、破損現象。
裝配過程中不得用任何硬物敲打、夾持、摩擦連桿表面,以避免漏油。
武(wu)漢萬通(tong)汽(qi)(qi)(qi)(qi)車有(you)(you)(you)限公(gong)(gong)(gong)司(si)(si)座(zuo)落于武(wu)漢經(jing)(jing)(jing)濟技(ji)術開發(fa)區內,是(shi)經(jing)(jing)(jing)武(wu)漢市人民政府于1993年(nian)批準的(de)(de)合法經(jing)(jing)(jing)營(ying)企業,1993年(nian)8月16日掛(gua)牌(pai)開業。該公(gong)(gong)(gong)司(si)(si)由東風汽(qi)(qi)(qi)(qi)車公(gong)(gong)(gong)司(si)(si)(含(han)東風武(wu)漢輕(qing)型(xing)(xing)汽(qi)(qi)(qi)(qi)車公(gong)(gong)(gong)司(si)(si))、香港永升(sheng)發(fa)展有(you)(you)(you)限公(gong)(gong)(gong)司(si)(si)(臺資(zi)(zi))、韓(han)國(guo)現(xian)代(dai)汽(qi)(qi)(qi)(qi)車公(gong)(gong)(gong)司(si)(si)、武(wu)漢經(jing)(jing)(jing)濟技(ji)術開發(fa)區發(fa)展總公(gong)(gong)(gong)司(si)(si)、武(wu)漢市汽(qi)(qi)(qi)(qi)車工業公(gong)(gong)(gong)司(si)(si)共(gong)同投資(zi)(zi)組建(jian),注(zhu)冊(ce)資(zi)(zi)本為2800萬美元(yuan)。 萬通(tong)公(gong)(gong)(gong)司(si)(si)生(sheng)產(chan)的(de)(de)WTQ6471(含(han)駕駛員9人座(zuo))、WTQ6471V(含(han)駕駛員11人座(zuo))、輕(qing)型(xing)(xing)客車(面包(bao)車)是(shi)引進(jin)韓(han)國(guo)現(xian)代(dai)汽(qi)(qi)(qi)(qi)車公(gong)(gong)(gong)司(si)(si)新(xin)GRACEH-100客車技(ji)術生(sheng)產(chan)的(de)(de)產(chan)品。該車是(shi)韓(han)國(guo)現(xian)代(dai)汽(qi)(qi)(qi)(qi)車公(gong)(gong)(gong)司(si)(si)1993年(nian)投放市場(chang)的(de)(de)新(xin)一代(dai)產(chan)品,采用了(le)電子點(dian)火(huo),多點(dian)噴射,發(fa)動機排量2.4升(sheng),達120匹馬力。排放符合國(guo)際環保標準規定(ding)。具有(you)(you)(you)造(zao)型(xing)(xing)美觀、乘(cheng)座(zuo)舒適、操縱輕(qing)便、動力性和(he)經(jing)(jing)(jing)濟性較好(hao)等優點(dian)。經(jing)(jing)(jing)與韓(han)國(guo)現(xian)代(dai)汽(qi)(qi)(qi)(qi)車公(gong)(gong)(gong)司(si)(si)多次洽談,1994年(nian)8月8日雙方(fang)簽(qian)訂了(le)長期技(ji)術合作(zuo)協議
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