
威海力(li)建液壓(ya)設備廠
經營模(mo)式:生(sheng)產(chan)加工
地址:山(shan)東省威(wei)海市羊亭孫家灘工業園(yuan)
主營:液壓(ya)缸(gang),油缸(gang),液壓(ya)系統(tong)
業務熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)(bai)動(dong)(dong)(dong)(dong)式(shi)液(ye)壓缸是輸出(chu)扭矩并(bing)實現往(wang)復(fu)運(yun)(yun)動(dong)(dong)(dong)(dong)的(de)執行元(yuan)件,有單葉片(pian)(pian)、雙葉片(pian)(pian)、螺旋(xuan)擺(bai)(bai)動(dong)(dong)(dong)(dong)等幾(ji)種(zhong)形(xing)式(shi)。葉片(pian)(pian)式(shi)式(shi):定子(zi)塊固(gu)定在缸體上,而(er)葉片(pian)(pian)和(he)轉子(zi)連接在一起。根據進(jin)油方向(xiang),葉片(pian)(pian)將帶(dai)動(dong)(dong)(dong)(dong)轉子(zi)作往(wang)復(fu)擺(bai)(bai)動(dong)(dong)(dong)(dong)。螺旋(xuan)擺(bai)(bai)動(dong)(dong)(dong)(dong)式(shi)又分單螺旋(xuan)擺(bai)(bai)動(dong)(dong)(dong)(dong)和(he)雙螺旋(xuan)兩種(zhong),現在雙螺旋(xuan)比較(jiao)常用,靠兩個(ge)螺旋(xuan)副降液(ye)壓缸內(nei)活塞的(de)直線(xian)運(yun)(yun)動(dong)(dong)(dong)(dong)轉變(bian)為直線(xian)運(yun)(yun)動(dong)(dong)(dong)(dong)與(yu)自轉運(yun)(yun)動(dong)(dong)(dong)(dong)的(de)復(fu)he運(yun)(yun)動(dong)(dong)(dong)(dong),從而(er)實現擺(bai)(bai)動(dong)(dong)(dong)(dong)運(yun)(yun)動(dong)(dong)(dong)(dong)。





3、活塞(sai)滑(hua)移或爬行
液壓缸的活塞滑(hua)移或爬行(xing)將(jiang)使(shi)液壓缸工作不穩定。主要原因如(ru)下:
(1)液(ye)壓(ya)缸內(nei)部澀滯。液(ye)壓(ya)缸內(nei)部零(ling)件(jian)裝(zhuang)配(pei)(pei)不當、零(ling)件(jian)變(bian)形、磨損或(huo)形位公差(cha)超(chao)限,動作阻力(li)過大,使(shi)液(ye)壓(ya)缸活塞(sai)速(su)度隨著行程位置的不同而變(bian)化,出現滑移或(huo)爬行。原因大多是由于零(ling)件(jian)裝(zhuang)配(pei)(pei)質量差(cha),表面有傷痕或(huo)燒結產生的鐵(tie)屑,使(shi)阻力(li)增大,速(su)度下降。
b.管(guan)(guan)子加(jia)工時(shi)形成的(de)切屑。管(guan)(guan)子在(zai)定尺加(jia)工之后,在(zai)做兩端去毛刺操(cao)作時(shi),不應(ying)有遺留。再者,在(zai)做焊接管(guan)(guan)路操(cao)作的(de)場(chang)地附近放置(zhi)鋼(gang)管(guan)(guan),是造成焊接異物(wu)混進的(de)原因。在(zai)焊接操(cao)作地點附近放置(zhi)的(de)管(guan)(guan)子,管(guan)(guan)口(kou)都要封(feng)住(zhu)。還必(bi)須注(zhu)意的(de)是,管(guan)(guan)件(jian)材料(liao)應(ying)在(zai)無塵土的(de)工作臺上(shang)備置(zhi)齊全。
c.密封帶進(jin)入缸內。作為簡便(bian)的(de)密封材料,在安裝和檢驗中經常采用聚四氟乙(yi)烯塑料密封帶,