
威海力建液壓設備廠
經營模(mo)式:生產加(jia)工
地址(zhi):山(shan)東省(sheng)威海市羊(yang)亭孫(sun)家灘工業園
主營: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)式液(ye)壓缸是(shi)輸出扭矩并實(shi)現(xian)往復運(yun)(yun)(yun)動(dong)(dong)(dong)的執(zhi)行元件,有單葉(xie)片(pian)(pian)、雙(shuang)葉(xie)片(pian)(pian)、螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)等幾種形式。葉(xie)片(pian)(pian)式式:定(ding)子塊固(gu)定(ding)在(zai)(zai)缸體上(shang),而葉(xie)片(pian)(pian)和(he)(he)轉子連接在(zai)(zai)一起。根據(ju)進(jin)油方(fang)向(xiang),葉(xie)片(pian)(pian)將帶動(dong)(dong)(dong)轉子作往復擺(bai)動(dong)(dong)(dong)。螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)式又分單螺(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)和(he)(he)雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)兩種,現(xian)在(zai)(zai)雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)比較(jiao)常用,靠(kao)兩個螺(luo)旋(xuan)(xuan)(xuan)副降液(ye)壓缸內活塞的直線運(yun)(yun)(yun)動(dong)(dong)(dong)轉變(bian)為(wei)直線運(yun)(yun)(yun)動(dong)(dong)(dong)與自轉運(yun)(yun)(yun)動(dong)(dong)(dong)的復he運(yun)(yun)(yun)動(dong)(dong)(dong),從而實(shi)現(xian)擺(bai)動(dong)(dong)(dong)運(yun)(yun)(yun)動(dong)(dong)(dong)。





若(ruo)溢(yi)流(liu)閥(fa)(fa)進(jin)入臟(zang)物卡住閥(fa)(fa)芯,使溢(yi)流(liu)閥(fa)(fa)常開,液(ye)壓油會經溢(yi)流(liu)閥(fa)(fa)旁通直(zhi)接流(liu)回油箱,導致(zhi)液(ye)壓缸沒油進(jin)入。若(ruo)負載過大,溢(yi)流(liu)閥(fa)(fa)的調節(jie)壓力(li)雖已(yi)達到極大額(e)定值(zhi),但液(ye)壓缸仍得不(bu)(bu)到連(lian)續動作(zuo)所需的推(tui)力(li)而不(bu)(bu)動作(zuo)。若(ruo)調節(jie)壓力(li)較低,則因壓力(li)不(bu)(bu)足(zu)達不(bu)(bu)到仍載所需的椎力(li),表(biao)現為推(tui)力(li)不(bu)(bu)夠(gou)。此時應(ying)檢查并調整溢(yi)流(liu)閥(fa)(fa)。(威海力(li)建(jian)冶金液(ye)壓設備(bei)廠)
因金屬的(de)接(jie)觸電(dian)(dian)位差(cha)造成(cheng)(cheng)的(de)腐蝕(shi),只發(fa)生(sheng)在(zai)活(huo)塞接(jie)觸到的(de)部位,而且腐蝕(shi)是成(cheng)(cheng)點狀發(fa)生(sheng)的(de)。與上(shang)述相同,中間夾有水(shui)分時,會促使腐蝕(shi)的(de)發(fa)展。與鑄(zhu)件相比,銅(tong)合金的(de)接(jie)觸電(dian)(dian)位差(cha)要(yao)高,因此(ci)銅(tong)合金的(de)腐蝕(shi)程(cheng)度(du)較(jiao)嚴重。
c.因接(jie)觸電位(wei)差形成(cheng)的腐蝕。接(jie)觸電位(wei)差腐蝕,對(dui)(dui)于長時間(jian)運轉的液壓缸(gang)來說,不(bu)易發生;對(dui)(dui)于長期停止不(bu)用的液壓缸(gang)來講是(shi)常見的故障。