
威海力建液壓設備廠
經營模(mo)式:生產加(jia)工(gong)
地址:山(shan)東省威海市(shi)羊亭孫(sun)家灘(tan)工(gong)業園
主營:液壓(ya)(ya)缸(gang),油缸(gang),液壓(ya)(ya)系(xi)統(tong)
業務熱線(xian):
QQ:3049278720
緩沖裝置
在液(ye)(ye)壓(ya)(ya)(ya)系(xi)統中使(shi)用液(ye)(ye)壓(ya)(ya)(ya)缸(gang)(gang)驅動(dong)(dong)具有一定質量的機構,當液(ye)(ye)壓(ya)(ya)(ya)缸(gang)(gang)運動(dong)(dong)至(zhi)行程終(zhong)點時具有較大動(dong)(dong)能,如(ru)未(wei)作減(jian)速(su)處理,液(ye)(ye)壓(ya)(ya)(ya)缸(gang)(gang)活(huo)塞與(yu)缸(gang)(gang)蓋將發生(sheng)機械碰撞(zhuang),產生(sheng)沖(chong)擊、噪(zao)聲,有破壞性。為(wei)緩(huan)和(he)及(ji)防止(zhi)這(zhe)種危(wei)害發生(sheng),因(yin)此可在液(ye)(ye)壓(ya)(ya)(ya)回路(lu)中設置(zhi)減(jian)速(su)裝置(zhi)或在缸(gang)(gang)體內設緩(huan)沖(chong)裝置(zhi)。
加工
缸筒作(zuo)為(wei)液壓(ya)缸、礦用單體支(zhi)柱、液壓(ya)支(zhi)架、炮(pao)管等產(chan)品的主要(yao)部件,其(qi)(qi)加(jia)工質量的好(hao)壞直接影響整個產(chan)品的壽命和可靠性。缸筒加(jia)工要(yao)求高,其(qi)(qi)內表面(mian)粗糙度要(yao)求為(wei)Ra0.4~0.8&um,對同軸度、耐磨性要(yao)求嚴格。缸筒的基(ji)本特(te)征是深孔加(jia)工,其(qi)(qi)加(jia)工一(yi)直困(kun)擾加(jia)工人員。





油缸是(shi)工程機(ji)械主(zhu)要部件(jian),傳統(tong)的(de)加工方法(fa)(fa)是(shi):拉削(xue)缸體(ti)(ti)(ti)(ti)(ti)——精鏜缸體(ti)(ti)(ti)(ti)(ti)——磨削(xue)缸體(ti)(ti)(ti)(ti)(ti)。采用滾(gun)壓方法(fa)(fa)是(shi):拉削(xue)缸體(ti)(ti)(ti)(ti)(ti)——精鏜缸體(ti)(ti)(ti)(ti)(ti)——滾(gun)壓缸體(ti)(ti)(ti)(ti)(ti),工序是(shi)3部分(fen)(fen),但時(shi)間(jian)上(shang)對比:磨削(xue)缸體(ti)(ti)(ti)(ti)(ti)1米大(da)(da)概在1-2天的(de)時(shi)間(jian),滾(gun)壓缸體(ti)(ti)(ti)(ti)(ti)1米大(da)(da)概在10-30分(fen)(fen)鐘的(de)時(shi)間(jian)。投入對比:磨床或絎磨機(ji)(幾(ji)萬(wan)——幾(ji)百萬(wan)),滾(gun)壓刀(1仟——幾(ji)萬(wan))。滾(gun)壓后(hou),孔表(biao)面(mian)粗糙度由幢滾(gun)前Ra3.2~6.3um減小為Ra0.4~0.8&um,
液壓缸(gang)結(jie)構(gou)基本上可以(yi)分為缸(gang)筒和(he)(he)缸(gang)蓋、活塞和(he)(he)活塞桿、密封裝(zhuang)置(zhi)、緩沖裝(zhuang)置(zhi)和(he)(he)排氣(qi)裝(zhuang)置(zhi)五個部分。今天(tian)威海力建(jian)小(xiao)編著(zhu)重帶著(zhu)大(da)家了解一下缸(gang)筒和(he)(he)缸(gang)蓋。
缸筒和缸蓋
一般來(lai)說,缸(gang)(gang)筒(tong)和(he)(he)(he)缸(gang)(gang)蓋的(de)結構形(xing)式(shi)(shi)(shi)和(he)(he)(he)其(qi)使(shi)用(yong)(yong)的(de)材料(liao)有(you)(you)關。工(gong)作壓力p<10MPa時(shi)(shi),使(shi)用(yong)(yong)鑄(zhu)鐵;p<20MPa時(shi)(shi),使(shi)用(yong)(yong)無(wu)(wu)縫鋼(gang)管;p>20MPa時(shi)(shi),使(shi)用(yong)(yong)鑄(zhu)鋼(gang)或(huo)鍛(duan)鋼(gang)。法蘭連(lian)(lian)接(jie)(jie)式(shi)(shi)(shi),結構簡(jian)單(dan)(dan),容(rong)(rong)(rong)易(yi)加工(gong),也容(rong)(rong)(rong)易(yi)裝拆(chai)(chai),但外形(xing)尺(chi)寸(cun)和(he)(he)(he)重量都較(jiao)(jiao)大,常用(yong)(yong)于(yu)鑄(zhu)鐵制的(de)缸(gang)(gang)筒(tong)上。半(ban)環(huan)連(lian)(lian)接(jie)(jie)式(shi)(shi)(shi),它的(de)缸(gang)(gang)筒(tong)壁部因開了環(huan)形(xing)槽而削(xue)弱(ruo)了強度,為此有(you)(you)時(shi)(shi)要加厚缸(gang)(gang)壁,它容(rong)(rong)(rong)易(yi)加工(gong)和(he)(he)(he)裝拆(chai)(chai),重量較(jiao)(jiao)輕,常用(yong)(yong)于(yu)無(wu)(wu)縫鋼(gang)管或(huo)鍛(duan)鋼(gang)制的(de)缸(gang)(gang)筒(tong)上。螺紋連(lian)(lian)接(jie)(jie)式(shi)(shi)(shi),它的(de)缸(gang)(gang)筒(tong)端部結構復雜,外徑(jing)加工(gong)時(shi)(shi)要求(qiu)保證內外徑(jing)同心(xin),裝拆(chai)(chai)要使(shi)用(yong)(yong)工(gong)具,它的(de)外形(xing)尺(chi)寸(cun)和(he)(he)(he)重量都較(jiao)(jiao)小(xiao),常用(yong)(yong)于(yu)無(wu)(wu)縫鋼(gang)管或(huo)鑄(zhu)鋼(gang)制的(de)缸(gang)(gang)筒(tong)上。拉桿連(lian)(lian)接(jie)(jie)式(shi)(shi)(shi),結構的(de)通用(yong)(yong)性大,容(rong)(rong)(rong)易(yi)加工(gong)和(he)(he)(he)裝拆(chai)(chai),但外形(xing)尺(chi)寸(cun)較(jiao)(jiao)大,且(qie)(qie)較(jiao)(jiao)重。焊接(jie)(jie)連(lian)(lian)接(jie)(jie)式(shi)(shi)(shi),結構簡(jian)單(dan)(dan),尺(chi)寸(cun)小(xiao),但缸(gang)(gang)底處內徑(jing)不(bu)易(yi)加工(gong),且(qie)(qie)可能引起變形(xing)。