本(ben)實(shi)用新型(xing)公開了一(yi)種發動機氣(qi)(qi)缸(gang)(gang)套(tao)(tao)(tao),包括氣(qi)(qi)缸(gang)(gang)套(tao)(tao)(tao)本(ben)體(ti),氣(qi)(qi)缸(gang)(gang)套(tao)(tao)(tao)本(ben)體(ti)由上(shang)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)、中(zhong)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)和下筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)固定連接(jie)而成,且(qie)上(shang)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)、中(zhong)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)和下筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)的(de)直(zhi)徑(jing)依(yi)次減小,所(suo)述(shu)氣(qi)(qi)缸(gang)(gang)套(tao)(tao)(tao)本(ben)體(ti)的(de)上(shang)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)內嵌(qian)入一(yi)耐(nai)高(gao)溫(wen)減磨環,耐(nai)高(gao)溫(wen)減磨環的(de)外表(biao)面(mian)(mian)與上(shang)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)內表(biao)面(mian)(mian)過盈配合,所(suo)述(shu)氣(qi)(qi)缸(gang)(gang)套(tao)(tao)(tao)本(ben)體(ti)的(de)上(shang)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)和中(zhong)筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)外表(biao)面(mian)(mian)設有(you)(you)高(gao)導熱(re)性膜,氣(qi)(qi)缸(gang)(gang)套(tao)(tao)(tao)本(ben)體(ti)的(de)下筒(tong)(tong)(tong)(tong)(tong)(tong)體(ti)外表(biao)面(mian)(mian)設有(you)(you)低導熱(re)性膜。這種發動機氣(qi)(qi)缸(gang)(gang)套(tao)(tao)(tao)耐(nai)磨性高(gao),使用壽命較長,耗(hao)能少(shao),且(qie)可(ke)減小氣(qi)(qi)缸(gang)(gang)沿其軸向(xiang)方向(xiang)的(de)溫(wen)差。
缸套的作用有:
1、與缸蓋、活塞共同構成氣缸工作空間;
2、筒形活塞柴油機的氣缸套承受活塞側推力,成為活塞往復運動的導程;
3、將活塞組件及本身的熱量傳給冷卻水,使之工作溫度適當;
4、二沖程柴油機的氣缸套布置有氣口,由活塞啟閉,實現配氣。
氣缸套是一個圓筒形零件,置于機體的氣缸體孔中,上由氣缸蓋壓緊固定。活塞在其內孔作往復運動,其外有冷卻水冷卻。
有汽車發動機未用氣缸套的,做成一體的。由于氣缸套是耐磨特殊材料,做成一體的話成本高,而且無法返修使用。所以現在的發動機的氣缸都是做成加套式的。
更換發動機氣缸套的方法:
1。拆下要更換的缸套后,徹底清洗原發動機缸體,并嚴格檢查其剛性和位置精度,特別是缸體套孔的形狀公差。如果原機體的剛性和位置精度難以補救,只能更新機體;
2.正確安裝活塞環,切記不要粗裝配,選擇正確的活塞環卡鉗總成,避免裝配過程中活塞環受力損壞,導致工作不正常;
3.嚴格檢查和清洗發動機冷卻系統,特別是檢查水泵的工作效率和水泵的皮帶張力,防止發動機因冷卻系統故障而過熱;
4.更換受污染的機油,清洗油路、油嘴、進氣口,更換優質三濾;
5.保證發動機在正常工況下的噴油器、機油泵等技術參數;
6.啟動發動機,必須從小到大逐漸加大負荷,磨幾個小時;
7.研磨過程結束后,在允許發動機正常工作之前,再次更換機油濾清器濾芯,并松開油底殼的放油塞,以清除磨合油中的金屬屑,或更換新的機油。
奧迪Allroad,全稱是Allroad quattro 2.7T,是奧迪生產的一款三廂車。2016年12月6日,全新的奧迪A4 allroad正式上市,
奧迪Allroad提供時尚型和運動型兩種車款,均匹配四驅系統。
Copyright © 2021.Company name All rights reserved.
奧迪A4(進口)側圍骨架
186****5334 on 2023/12/14 15:21:13進口奧迪(di)
奧迪A7(進口)日間行車燈
185****1793 on 2023/12/7 19:57:06進口奧迪
C柱蓋板
134****1305 on 2023/10/24 21:36:46進口奧迪
附件皮帶
137****5286 on 2023/10/24 18:28:49進(jin)口奧迪
前保險杠導流板(前杠下護板)
133****2418 on 2023/10/7 9:49:27江西(xi)南(nan)昌市高新開發區京東大(da)道保利(li)東灣國際4-1-3203
進(jin)口奧迪
2011年A5剎車總泵
139****0818 on 2023/10/5 18:10:20進(jin)口奧迪
求14到16款RS7原廠后杠
135****5322 on 2023/9/13 17:30:31進口奧迪
奧迪TT氣囊游絲
1880273651 on 2023/9/10 15:49:44進口(kou)奧(ao)迪
阿爾法·羅密歐SUV節溫器總成
134****7224 on 2023/9/9 14:41:02進(jin)口奧迪(di)
全車配件
136****8852 on 2023/9/6 12:49:23進口奧(ao)迪(di)