
威海力建(jian)液(ye)壓設備廠(chang)
經營模(mo)式:生產加工
地址:山東省威(wei)海(hai)市羊亭(ting)孫家灘工業園
主營(ying):液(ye)壓(ya)缸,油缸,液(ye)壓(ya)系統
業(ye)務熱線(xian):
QQ:3049278720
擺動式液壓缸
擺動(dong)(dong)(dong)式(shi)(shi)液(ye)壓缸是(shi)輸出(chu)扭矩(ju)并實現(xian)往(wang)復運動(dong)(dong)(dong)的(de)執行元件,有單葉片(pian)、雙(shuang)葉片(pian)、螺旋擺動(dong)(dong)(dong)等幾種(zhong)形(xing)式(shi)(shi)。葉片(pian)式(shi)(shi)式(shi)(shi):定子塊固(gu)定在(zai)缸體(ti)上,而(er)葉片(pian)和(he)轉(zhuan)子連接在(zai)一起。根據進油方向(xiang),葉片(pian)將帶(dai)動(dong)(dong)(dong)轉(zhuan)子作往(wang)復擺動(dong)(dong)(dong)。螺旋擺動(dong)(dong)(dong)式(shi)(shi)又分單螺旋擺動(dong)(dong)(dong)和(he)雙(shuang)螺旋兩(liang)種(zhong),現(xian)在(zai)雙(shuang)螺旋比(bi)較常(chang)用,靠兩(liang)個螺旋副降液(ye)壓缸內活塞的(de)直線運動(dong)(dong)(dong)轉(zhuan)變為直線運動(dong)(dong)(dong)與(yu)自轉(zhuan)運動(dong)(dong)(dong)的(de)復he運動(dong)(dong)(dong),從而(er)實現(xian)擺動(dong)(dong)(dong)運動(dong)(dong)(dong)。





緩沖裝置
在(zai)液(ye)(ye)壓(ya)系統中使(shi)用(yong)液(ye)(ye)壓(ya)缸(gang)驅動(dong)具有(you)一定質量的(de)機構,當液(ye)(ye)壓(ya)缸(gang)運動(dong)至行程終點時具有(you)較大動(dong)能,如未作減(jian)速(su)處理(li),液(ye)(ye)壓(ya)缸(gang)活塞與缸(gang)蓋將發生(sheng)(sheng)機械(xie)碰撞(zhuang),產(chan)生(sheng)(sheng)沖(chong)擊、噪聲,有(you)破壞性。為緩和及(ji)防止(zhi)這種危害發生(sheng)(sheng),因此可在(zai)液(ye)(ye)壓(ya)回路(lu)中設置減(jian)速(su)裝置或在(zai)缸(gang)體(ti)內設緩沖(chong)裝置。
加工
缸(gang)筒(tong)作為(wei)液壓缸(gang)、礦用單體(ti)支柱(zhu)、液壓支架、炮管等產品的(de)主要部件,其加(jia)工(gong)(gong)(gong)質量(liang)的(de)好壞直接影響整個產品的(de)壽命和(he)可靠性。缸(gang)筒(tong)加(jia)工(gong)(gong)(gong)要求(qiu)(qiu)高,其內(nei)表面粗糙度(du)要求(qiu)(qiu)為(wei)Ra0.4~0.8&um,對(dui)同軸度(du)、耐磨性要求(qiu)(qiu)嚴格。缸(gang)筒(tong)的(de)基本特征是深孔加(jia)工(gong)(gong)(gong),其加(jia)工(gong)(gong)(gong)一直困擾加(jia)工(gong)(gong)(gong)人員。
若溢(yi)(yi)流(liu)閥(fa)(fa)進入臟物卡住閥(fa)(fa)芯,使溢(yi)(yi)流(liu)閥(fa)(fa)常(chang)開,液壓油會(hui)經溢(yi)(yi)流(liu)閥(fa)(fa)旁通直(zhi)接流(liu)回油箱,導致液壓缸沒油進入。若負載過(guo)大,溢(yi)(yi)流(liu)閥(fa)(fa)的調(diao)節(jie)壓力(li)(li)(li)(li)雖(sui)已達(da)到極(ji)大額定值,但液壓缸仍得不到連(lian)續動(dong)作(zuo)所需的推力(li)(li)(li)(li)而不動(dong)作(zuo)。若調(diao)節(jie)壓力(li)(li)(li)(li)較(jiao)低,則因壓力(li)(li)(li)(li)不足(zu)達(da)不到仍載所需的椎力(li)(li)(li)(li),表(biao)現為推力(li)(li)(li)(li)不夠。此時應檢查并調(diao)整溢(yi)(yi)流(liu)閥(fa)(fa)。(威海力(li)(li)(li)(li)建冶(ye)金液壓設備廠)