
威海力(li)建(jian)液壓設(she)備廠(chang)
經營(ying)模式(shi):生產加工
地址:山東省(sheng)威(wei)海市羊(yang)亭孫家灘工(gong)業園
主營:液(ye)(ye)壓(ya)缸,油缸,液(ye)(ye)壓(ya)系統
業務熱(re)線(xian):
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)式液壓缸是輸(shu)出扭矩并實現(xian)往復運(yun)動(dong)(dong)的執行元(yuan)件,有(you)單(dan)葉片(pian)(pian)、雙葉片(pian)(pian)、螺(luo)旋(xuan)擺(bai)動(dong)(dong)等幾(ji)種形式。葉片(pian)(pian)式式:定(ding)子(zi)塊(kuai)固(gu)定(ding)在(zai)(zai)缸體(ti)上,而(er)葉片(pian)(pian)和轉子(zi)連接在(zai)(zai)一起。根(gen)據進油方向(xiang),葉片(pian)(pian)將帶動(dong)(dong)轉子(zi)作往復擺(bai)動(dong)(dong)。螺(luo)旋(xuan)擺(bai)動(dong)(dong)式又(you)分單(dan)螺(luo)旋(xuan)擺(bai)動(dong)(dong)和雙螺(luo)旋(xuan)兩種,現(xian)在(zai)(zai)雙螺(luo)旋(xuan)比較常用(yong),靠(kao)兩個(ge)螺(luo)旋(xuan)副降(jiang)液壓缸內活塞的直(zhi)線運(yun)動(dong)(dong)轉變為直(zhi)線運(yun)動(dong)(dong)與(yu)自(zi)轉運(yun)動(dong)(dong)的復he運(yun)動(dong)(dong),從而(er)實現(xian)擺(bai)動(dong)(dong)運(yun)動(dong)(dong)。





采用滾(gun)壓(ya)加工(gong),由于表(biao)(biao)(biao)面(mian)(mian)層(ceng)留有表(biao)(biao)(biao)面(mian)(mian)殘余壓(ya)應(ying)力,有助于表(biao)(biao)(biao)面(mian)(mian)微(wei)小裂紋的(de)(de)封(feng)閉,阻(zu)礙(ai)侵蝕作用的(de)(de)擴展。從而(er)提(ti)高表(biao)(biao)(biao)面(mian)(mian)抗(kang)腐蝕能(neng)力,并能(neng)延緩疲(pi)勞(lao)裂紋的(de)(de)產生或擴大,因(yin)而(er)提(ti)高缸筒疲(pi)勞(lao)強度。通過滾(gun)壓(ya)成型(xing),滾(gun)壓(ya)表(biao)(biao)(biao)面(mian)(mian)形(xing)成一層(ceng)冷(leng)作硬化層(ceng),減少了(le)磨削副接觸(chu)表(biao)(biao)(biao)面(mian)(mian)的(de)(de)彈性和塑性變形(xing),從而(er)提(ti)高了(le)缸筒內壁的(de)(de)耐磨性,同時避(bi)免(mian)了(le)因(yin)磨削引起的(de)(de)shao傷(shang)。滾(gun)壓(ya)后,表(biao)(biao)(biao)面(mian)(mian)粗(cu)糙度值的(de)(de)減小,可提(ti)高配合性質。
若溢(yi)流閥(fa)進入(ru)(ru)臟(zang)物卡住閥(fa)芯,使(shi)溢(yi)流閥(fa)常開,液(ye)(ye)壓(ya)(ya)油(you)(you)會經(jing)溢(yi)流閥(fa)旁通直接流回油(you)(you)箱,導致液(ye)(ye)壓(ya)(ya)缸沒油(you)(you)進入(ru)(ru)。若負載過大(da),溢(yi)流閥(fa)的(de)調節壓(ya)(ya)力(li)(li)雖已達到(dao)極(ji)大(da)額定(ding)值(zhi),但液(ye)(ye)壓(ya)(ya)缸仍得不(bu)(bu)到(dao)連續動作所需的(de)推力(li)(li)而(er)不(bu)(bu)動作。若調節壓(ya)(ya)力(li)(li)較低,則因壓(ya)(ya)力(li)(li)不(bu)(bu)足達不(bu)(bu)到(dao)仍載所需的(de)椎(zhui)力(li)(li),表現為推力(li)(li)不(bu)(bu)夠。此時應檢(jian)查并調整(zheng)溢(yi)流閥(fa)。(威(wei)海力(li)(li)建冶(ye)金(jin)液(ye)(ye)壓(ya)(ya)設備廠)