
威海力建(jian)液(ye)壓設備(bei)廠
經營模式(shi):生(sheng)產(chan)加工(gong)
地址:山(shan)東省威海市羊亭孫(sun)家灘工業園
主營(ying):液壓缸(gang),油缸(gang),液壓系統
業務熱(re)線:
QQ:3049278720
擺動式液壓缸
擺動(dong)(dong)(dong)式液壓(ya)缸(gang)是輸出扭矩并實現往復運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)的執行元件,有單(dan)葉(xie)(xie)(xie)片(pian)、雙(shuang)葉(xie)(xie)(xie)片(pian)、螺(luo)旋(xuan)擺動(dong)(dong)(dong)等幾種(zhong)形式。葉(xie)(xie)(xie)片(pian)式式:定(ding)子(zi)塊固定(ding)在(zai)缸(gang)體(ti)上,而葉(xie)(xie)(xie)片(pian)和轉(zhuan)子(zi)連(lian)接在(zai)一起。根據(ju)進油方向,葉(xie)(xie)(xie)片(pian)將(jiang)帶動(dong)(dong)(dong)轉(zhuan)子(zi)作往復擺動(dong)(dong)(dong)。螺(luo)旋(xuan)擺動(dong)(dong)(dong)式又分單(dan)螺(luo)旋(xuan)擺動(dong)(dong)(dong)和雙(shuang)螺(luo)旋(xuan)兩種(zhong),現在(zai)雙(shuang)螺(luo)旋(xuan)比較常(chang)用,靠兩個螺(luo)旋(xuan)副降液壓(ya)缸(gang)內活塞的直(zhi)線運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)轉(zhuan)變為直(zhi)線運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)與自(zi)轉(zhuan)運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)的復he運(yun)(yun)(yun)(yun)動(dong)(dong)(dong),從而實現擺動(dong)(dong)(dong)運(yun)(yun)(yun)(yun)動(dong)(dong)(dong)。





采用(yong)滾(gun)(gun)壓加工,由于(yu)表(biao)面(mian)(mian)(mian)(mian)層(ceng)留(liu)有表(biao)面(mian)(mian)(mian)(mian)殘余壓應力(li),有助于(yu)表(biao)面(mian)(mian)(mian)(mian)微小裂(lie)紋的封閉,阻礙侵蝕(shi)(shi)作(zuo)用(yong)的擴展(zhan)。從而(er)提(ti)(ti)高(gao)(gao)表(biao)面(mian)(mian)(mian)(mian)抗(kang)腐蝕(shi)(shi)能力(li),并能延緩(huan)疲勞(lao)裂(lie)紋的產生(sheng)或(huo)擴大,因而(er)提(ti)(ti)高(gao)(gao)缸(gang)筒(tong)疲勞(lao)強度。通(tong)過滾(gun)(gun)壓成型,滾(gun)(gun)壓表(biao)面(mian)(mian)(mian)(mian)形成一層(ceng)冷作(zuo)硬化層(ceng),減少了磨削(xue)副接觸(chu)表(biao)面(mian)(mian)(mian)(mian)的彈性和(he)塑性變形,從而(er)提(ti)(ti)高(gao)(gao)了缸(gang)筒(tong)內壁的耐磨性,同(tong)時避免(mian)了因磨削(xue)引起(qi)的shao傷(shang)。滾(gun)(gun)壓后,表(biao)面(mian)(mian)(mian)(mian)粗糙(cao)度值(zhi)的減小,可提(ti)(ti)高(gao)(gao)配合性質(zhi)。
若溢流(liu)閥(fa)進(jin)入(ru)臟(zang)物卡(ka)住閥(fa)芯(xin),使溢流(liu)閥(fa)常開,液壓(ya)油會經溢流(liu)閥(fa)旁(pang)通直接流(liu)回油箱,導致液壓(ya)缸沒油進(jin)入(ru)。若負(fu)載(zai)過大,溢流(liu)閥(fa)的調(diao)節壓(ya)力(li)(li)雖已(yi)達到極大額定值(zhi),但液壓(ya)缸仍得不(bu)到連(lian)續動(dong)作(zuo)所需的推力(li)(li)而不(bu)動(dong)作(zuo)。若調(diao)節壓(ya)力(li)(li)較(jiao)低,則因壓(ya)力(li)(li)不(bu)足(zu)達不(bu)到仍載(zai)所需的椎力(li)(li),表(biao)現為推力(li)(li)不(bu)夠。此(ci)時(shi)應(ying)檢查并調(diao)整溢流(liu)閥(fa)。(威海力(li)(li)建冶金(jin)液壓(ya)設備廠)