
威海(hai)力(li)建液壓設備廠(chang)
經營模式:生產加(jia)工
地(di)址(zhi):山東省(sheng)威海市羊亭孫家灘(tan)工業園
主營:液壓缸(gang),油缸(gang),液壓系統(tong)
業務(wu)熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)式(shi)液(ye)壓缸是輸出扭矩并實現往復(fu)運(yun)動(dong)(dong)的執行元(yuan)件(jian),有單葉(xie)片(pian)(pian)、雙葉(xie)片(pian)(pian)、螺(luo)(luo)(luo)旋擺(bai)動(dong)(dong)等幾(ji)種形式(shi)。葉(xie)片(pian)(pian)式(shi)式(shi):定(ding)子(zi)塊固定(ding)在(zai)(zai)缸體上,而(er)葉(xie)片(pian)(pian)和(he)轉(zhuan)子(zi)連(lian)接在(zai)(zai)一起。根據進(jin)油方向(xiang),葉(xie)片(pian)(pian)將帶動(dong)(dong)轉(zhuan)子(zi)作往復(fu)擺(bai)動(dong)(dong)。螺(luo)(luo)(luo)旋擺(bai)動(dong)(dong)式(shi)又分單螺(luo)(luo)(luo)旋擺(bai)動(dong)(dong)和(he)雙螺(luo)(luo)(luo)旋兩種,現在(zai)(zai)雙螺(luo)(luo)(luo)旋比較(jiao)常用,靠兩個螺(luo)(luo)(luo)旋副(fu)降液(ye)壓缸內活塞的直線運(yun)動(dong)(dong)轉(zhuan)變為直線運(yun)動(dong)(dong)與自轉(zhuan)運(yun)動(dong)(dong)的復(fu)he運(yun)動(dong)(dong),從而(er)實現擺(bai)動(dong)(dong)運(yun)動(dong)(dong)。





采用(yong)滾壓(ya)加工(gong),由(you)于表面層(ceng)留(liu)有(you)表面殘余(yu)壓(ya)應力,有(you)助于表面微(wei)小裂(lie)紋的封(feng)閉,阻礙侵蝕作(zuo)用(yong)的擴展(zhan)。從而(er)提高(gao)表面抗腐(fu)蝕能(neng)(neng)力,并能(neng)(neng)延緩疲勞裂(lie)紋的產生或擴大,因而(er)提高(gao)缸(gang)筒疲勞強度(du)。通(tong)過滾壓(ya)成(cheng)型,滾壓(ya)表面形(xing)成(cheng)一(yi)層(ceng)冷(leng)作(zuo)硬化層(ceng),減少了(le)磨削副接(jie)觸(chu)表面的彈性(xing)和塑性(xing)變形(xing),從而(er)提高(gao)了(le)缸(gang)筒內(nei)壁的耐磨性(xing),同(tong)時避免了(le)因磨削引(yin)起的shao傷。滾壓(ya)后(hou),表面粗糙度(du)值的減小,可提高(gao)配合性(xing)質。
(5)液(ye)(ye)(ye)壓(ya)(ya)缸初始動(dong)(dong)(dong)作緩(huan)慢(man)。在溫度較低(di)的(de)情況下,液(ye)(ye)(ye)壓(ya)(ya)油黏度大,流動(dong)(dong)(dong)性差(cha),導致液(ye)(ye)(ye)壓(ya)(ya)缸動(dong)(dong)(dong)作緩(huan)慢(man)。改善方法是,更換黏溫性能較好的(de)液(ye)(ye)(ye)壓(ya)(ya)油,在低(di)溫下可借助加(jia)熱(re)(re)器(qi)或(huo)用機器(qi)自(zi)身加(jia)熱(re)(re)以提升(sheng)啟動(dong)(dong)(dong)時的(de)油溫,系統正(zheng)常工作油溫應保持在40℃左右。
2、工作(zuo)時不能驅動負載(zai)
主要(yao)表現(xian)為(wei)活(huo)塞桿停位不(bu)準、推力不(bu)足、速度下降、工作不(bu)穩定等,其原因是: