
威海力建液(ye)壓設備廠
經營模(mo)式(shi):生產(chan)加工
地址(zhi):山東省威(wei)海市羊亭(ting)孫家灘工業園
主(zhu)營(ying):液壓(ya)缸,油缸,液壓(ya)系統
業務熱線(xian):
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)(dong)式(shi)液壓(ya)缸(gang)(gang)是(shi)輸出(chu)扭矩并實現(xian)往(wang)復運(yun)(yun)動(dong)(dong)(dong)(dong)的(de)(de)執(zhi)行(xing)元件,有(you)單葉片(pian)(pian)、雙(shuang)葉片(pian)(pian)、螺旋(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)等(deng)幾種形式(shi)。葉片(pian)(pian)式(shi)式(shi):定(ding)子(zi)塊固定(ding)在缸(gang)(gang)體上(shang),而葉片(pian)(pian)和轉子(zi)連接在一(yi)起。根據進油(you)方向,葉片(pian)(pian)將帶動(dong)(dong)(dong)(dong)轉子(zi)作往(wang)復擺(bai)動(dong)(dong)(dong)(dong)。螺旋(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)式(shi)又分單螺旋(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)和雙(shuang)螺旋(xuan)(xuan)兩種,現(xian)在雙(shuang)螺旋(xuan)(xuan)比較常(chang)用,靠兩個螺旋(xuan)(xuan)副降液壓(ya)缸(gang)(gang)內活塞的(de)(de)直線運(yun)(yun)動(dong)(dong)(dong)(dong)轉變為直線運(yun)(yun)動(dong)(dong)(dong)(dong)與自(zi)轉運(yun)(yun)動(dong)(dong)(dong)(dong)的(de)(de)復he運(yun)(yun)動(dong)(dong)(dong)(dong),從而實現(xian)擺(bai)動(dong)(dong)(dong)(dong)運(yun)(yun)動(dong)(dong)(dong)(dong)。





采用滾壓加工,由于(yu)表(biao)面(mian)(mian)層留有(you)(you)表(biao)面(mian)(mian)殘(can)余(yu)壓應力,有(you)(you)助于(yu)表(biao)面(mian)(mian)微小裂(lie)紋(wen)的(de)封(feng)閉,阻礙侵(qin)蝕(shi)作用的(de)擴(kuo)展(zhan)。從(cong)而提高(gao)表(biao)面(mian)(mian)抗腐蝕(shi)能力,并能延緩(huan)疲勞(lao)裂(lie)紋(wen)的(de)產生或擴(kuo)大,因(yin)(yin)而提高(gao)缸筒疲勞(lao)強度。通過滾壓成(cheng)型,滾壓表(biao)面(mian)(mian)形成(cheng)一(yi)層冷(leng)作硬化層,減少了磨(mo)(mo)削(xue)副(fu)接觸表(biao)面(mian)(mian)的(de)彈(dan)性(xing)和(he)塑性(xing)變形,從(cong)而提高(gao)了缸筒內壁的(de)耐(nai)磨(mo)(mo)性(xing),同(tong)時避免了因(yin)(yin)磨(mo)(mo)削(xue)引起的(de)shao傷。滾壓后,表(biao)面(mian)(mian)粗糙度值的(de)減小,可提高(gao)配合性(xing)質(zhi)。
若溢(yi)流(liu)閥進(jin)入(ru)臟(zang)物卡(ka)住閥芯(xin),使溢(yi)流(liu)閥常開,液(ye)(ye)(ye)壓(ya)(ya)油會(hui)經溢(yi)流(liu)閥旁通直接流(liu)回油箱,導致液(ye)(ye)(ye)壓(ya)(ya)缸沒油進(jin)入(ru)。若負載過大(da),溢(yi)流(liu)閥的(de)調(diao)節壓(ya)(ya)力雖已達(da)到(dao)極(ji)大(da)額定值,但液(ye)(ye)(ye)壓(ya)(ya)缸仍(reng)得不(bu)(bu)到(dao)連(lian)續(xu)動作(zuo)所(suo)需的(de)推力而(er)不(bu)(bu)動作(zuo)。若調(diao)節壓(ya)(ya)力較低,則因(yin)壓(ya)(ya)力不(bu)(bu)足達(da)不(bu)(bu)到(dao)仍(reng)載所(suo)需的(de)椎(zhui)力,表(biao)現為推力不(bu)(bu)夠。此時應檢(jian)查并調(diao)整溢(yi)流(liu)閥。(威海力建冶金液(ye)(ye)(ye)壓(ya)(ya)設備(bei)廠)