
威海力建液壓設備廠
經營(ying)模式:生產(chan)加工(gong)
地址:山東省(sheng)威(wei)海市羊亭孫(sun)家灘工業園(yuan)
主(zhu)營:液壓(ya)缸,油缸,液壓(ya)系統(tong)
業務熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)(dong)式(shi)(shi)液壓(ya)缸是輸出(chu)扭矩并(bing)實現往復運動(dong)(dong)(dong)(dong)的執行(xing)元(yuan)件,有單葉(xie)片(pian)、雙葉(xie)片(pian)、螺(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)等(deng)幾種形式(shi)(shi)。葉(xie)片(pian)式(shi)(shi)式(shi)(shi):定(ding)子(zi)塊固定(ding)在(zai)缸體上,而葉(xie)片(pian)和轉(zhuan)子(zi)連接在(zai)一起。根據進(jin)油方向,葉(xie)片(pian)將帶動(dong)(dong)(dong)(dong)轉(zhuan)子(zi)作往復擺(bai)動(dong)(dong)(dong)(dong)。螺(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)式(shi)(shi)又分(fen)單螺(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)和雙螺(luo)旋(xuan)兩種,現在(zai)雙螺(luo)旋(xuan)比較常用,靠兩個(ge)螺(luo)旋(xuan)副降液壓(ya)缸內(nei)活塞(sai)的直線(xian)運動(dong)(dong)(dong)(dong)轉(zhuan)變(bian)為(wei)直線(xian)運動(dong)(dong)(dong)(dong)與(yu)自轉(zhuan)運動(dong)(dong)(dong)(dong)的復he運動(dong)(dong)(dong)(dong),從而實現擺(bai)動(dong)(dong)(dong)(dong)運動(dong)(dong)(dong)(dong)。





采用滾壓(ya)(ya)加工,由于表(biao)(biao)面(mian)(mian)(mian)層(ceng)(ceng)留有表(biao)(biao)面(mian)(mian)(mian)殘(can)余壓(ya)(ya)應力,有助于表(biao)(biao)面(mian)(mian)(mian)微小(xiao)(xiao)裂(lie)紋(wen)的(de)(de)封閉,阻礙侵(qin)蝕作(zuo)用的(de)(de)擴展。從而提高表(biao)(biao)面(mian)(mian)(mian)抗腐蝕能力,并(bing)能延緩(huan)疲(pi)勞裂(lie)紋(wen)的(de)(de)產生或擴大,因而提高缸(gang)筒疲(pi)勞強(qiang)度。通過滾壓(ya)(ya)成型,滾壓(ya)(ya)表(biao)(biao)面(mian)(mian)(mian)形成一層(ceng)(ceng)冷(leng)作(zuo)硬(ying)化(hua)層(ceng)(ceng),減(jian)少了(le)磨削(xue)副接(jie)觸表(biao)(biao)面(mian)(mian)(mian)的(de)(de)彈(dan)性(xing)和塑性(xing)變形,從而提高了(le)缸(gang)筒內壁的(de)(de)耐磨性(xing),同時避免了(le)因磨削(xue)引(yin)起的(de)(de)shao傷。滾壓(ya)(ya)后(hou),表(biao)(biao)面(mian)(mian)(mian)粗糙度值的(de)(de)減(jian)小(xiao)(xiao),可提高配合性(xing)質(zhi)。
(5)液(ye)(ye)壓缸(gang)(gang)初始動(dong)作(zuo)緩慢。在溫(wen)度(du)較(jiao)低的(de)(de)情況下,液(ye)(ye)壓油黏(nian)度(du)大,流動(dong)性差,導致液(ye)(ye)壓缸(gang)(gang)動(dong)作(zuo)緩慢。改善方法是(shi),更換黏(nian)溫(wen)性能(neng)較(jiao)好的(de)(de)液(ye)(ye)壓油,在低溫(wen)下可(ke)借助加(jia)(jia)熱器(qi)或用機器(qi)自身加(jia)(jia)熱以提升啟(qi)動(dong)時(shi)的(de)(de)油溫(wen),系(xi)統正常(chang)工作(zuo)油溫(wen)應保持(chi)在40℃左右。
2、工作時不能驅(qu)動負載(zai)
主要表(biao)現為活塞桿停位(wei)不準、推力(li)不足(zu)、速度(du)下降、工作不穩(wen)定(ding)等,其原因是: