
威海力建(jian)液壓設備廠
經營模式:生產加(jia)工
地址:山東(dong)省威海市羊(yang)亭孫(sun)家(jia)灘工業園
主營:液壓缸(gang),油缸(gang),液壓系統
業務熱線(xian):
QQ:3049278720
液壓缸(gang)(gang)(gang)結構基本上(shang)可以分為缸(gang)(gang)(gang)筒(tong)和(he)缸(gang)(gang)(gang)蓋、活塞和(he)活塞桿、密(mi)封裝(zhuang)(zhuang)置(zhi)、緩沖裝(zhuang)(zhuang)置(zhi)和(he)排氣裝(zhuang)(zhuang)置(zhi)五個(ge)部分。今天威海(hai)力建(jian)小(xiao)編著重帶著大家了解一下缸(gang)(gang)(gang)筒(tong)和(he)缸(gang)(gang)(gang)蓋。
缸(gang)筒和缸(gang)蓋
一般來說,缸筒(tong)(tong)和(he)(he)缸蓋(gai)的(de)(de)結(jie)(jie)構(gou)形(xing)(xing)式(shi)(shi)和(he)(he)其使(shi)(shi)用(yong)(yong)(yong)(yong)的(de)(de)材料有(you)關。工(gong)(gong)作壓(ya)力p<10MPa時(shi)(shi)(shi),使(shi)(shi)用(yong)(yong)(yong)(yong)鑄(zhu)鐵(tie);p<20MPa時(shi)(shi)(shi),使(shi)(shi)用(yong)(yong)(yong)(yong)無縫(feng)(feng)鋼(gang)管(guan);p>20MPa時(shi)(shi)(shi),使(shi)(shi)用(yong)(yong)(yong)(yong)鑄(zhu)鋼(gang)或鍛(duan)鋼(gang)。法蘭連接(jie)式(shi)(shi),結(jie)(jie)構(gou)簡單(dan)(dan),容(rong)易加(jia)工(gong)(gong),也容(rong)易裝拆(chai),但(dan)外(wai)形(xing)(xing)尺寸(cun)和(he)(he)重量都較大(da)(da),常用(yong)(yong)(yong)(yong)于(yu)(yu)鑄(zhu)鐵(tie)制(zhi)(zhi)的(de)(de)缸筒(tong)(tong)上。半環(huan)連接(jie)式(shi)(shi),它(ta)的(de)(de)缸筒(tong)(tong)壁(bi)部因開了環(huan)形(xing)(xing)槽而削弱了強度,為此有(you)時(shi)(shi)(shi)要(yao)(yao)加(jia)厚缸壁(bi),它(ta)容(rong)易加(jia)工(gong)(gong)和(he)(he)裝拆(chai),重量較輕,常用(yong)(yong)(yong)(yong)于(yu)(yu)無縫(feng)(feng)鋼(gang)管(guan)或鍛(duan)鋼(gang)制(zhi)(zhi)的(de)(de)缸筒(tong)(tong)上。螺紋連接(jie)式(shi)(shi),它(ta)的(de)(de)缸筒(tong)(tong)端部結(jie)(jie)構(gou)復雜,外(wai)徑(jing)(jing)加(jia)工(gong)(gong)時(shi)(shi)(shi)要(yao)(yao)求(qiu)保(bao)證內外(wai)徑(jing)(jing)同心(xin),裝拆(chai)要(yao)(yao)使(shi)(shi)用(yong)(yong)(yong)(yong)工(gong)(gong)具,它(ta)的(de)(de)外(wai)形(xing)(xing)尺寸(cun)和(he)(he)重量都較小(xiao),常用(yong)(yong)(yong)(yong)于(yu)(yu)無縫(feng)(feng)鋼(gang)管(guan)或鑄(zhu)鋼(gang)制(zhi)(zhi)的(de)(de)缸筒(tong)(tong)上。拉(la)桿連接(jie)式(shi)(shi),結(jie)(jie)構(gou)的(de)(de)通用(yong)(yong)(yong)(yong)性大(da)(da),容(rong)易加(jia)工(gong)(gong)和(he)(he)裝拆(chai),但(dan)外(wai)形(xing)(xing)尺寸(cun)較大(da)(da),且(qie)較重。焊接(jie)連接(jie)式(shi)(shi),結(jie)(jie)構(gou)簡單(dan)(dan),尺寸(cun)小(xiao),但(dan)缸底處(chu)內徑(jing)(jing)不易加(jia)工(gong)(gong),且(qie)可能引起變形(xing)(xing)。





有異(yi)物(wu)進入后,活塞滑動(dong)表(biao)(biao)面的(de)外側如(ru)裝(zhuang)有帶唇緣的(de)密封(feng)件(jian),那么,工作(zuo)時密封(feng)件(jian)的(de)唇緣即可刮動(dong)異(yi)物(wu),這對于(yu)避免劃傷(shang)是有利的(de)。但(dan)是裝(zhuang)0形密封(feng)圈的(de)活塞,其(qi)兩端是滑動(dong)表(biao)(biao)面,異(yi)物(wu)夾(jia)在此(ci)滑動(dong)表(biao)(biao)面之間,容易形成傷(shang)痕。
異物進入(ru)缸內的途徑(jing)有下列(lie)幾種。
① 進入缸內的異物
a.由(you)于保(bao)管(guan)時(shi)不注(zhu)意使(shi)油(you)(you)口敞(chang)開著(zhu),將(jiang)產生(sheng)時(shi)刻接受異物的條件,這是不允(yun)許的。保(bao)管(guan)時(shi)必須注(zhu)入防(fang)銹油(you)(you)或(huo)者工作油(you)(you)液,并且(qie)塞好。
修復工藝:
1、用氧(yang)-乙(yi)que火焰烤(kao)劃傷(shang)部位(掌握溫度,避免表(biao)面退火),將常年滲金屬(shu)表(biao)面的油烤(kao)出(chu)來,烤(kao)到沒有火花(hua)四濺。
2、將劃傷(shang)部位用角磨(mo)(mo)機表面處理,打磨(mo)(mo)深(shen)度1毫(hao)米以上,并沿導軌打磨(mo)(mo)出溝槽,燕尾(wei)槽。劃傷(shang)兩端鉆孔(kong)加(jia)深(shen),改(gai)變受(shou)力(li)情(qing)況。
3、用脫脂棉蘸丙tong或無水乙醇將表面清(qing)洗干凈。(威海力建液壓設備(bei)廠)