
威海力建(jian)液(ye)壓(ya)設(she)備廠
經營模式(shi):生產加工
地址:山東省威海市羊(yang)亭(ting)孫家灘工業園
主(zhu)營:液(ye)壓缸,油缸,液(ye)壓系(xi)統
業務熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)式(shi)(shi)(shi)液壓缸(gang)是輸出扭矩(ju)并實現(xian)往復(fu)(fu)運(yun)(yun)動(dong)(dong)(dong)的執行元件,有單葉片(pian)(pian)、雙(shuang)葉片(pian)(pian)、螺(luo)旋(xuan)(xuan)擺(bai)動(dong)(dong)(dong)等幾(ji)種形式(shi)(shi)(shi)。葉片(pian)(pian)式(shi)(shi)(shi)式(shi)(shi)(shi):定(ding)子塊(kuai)固(gu)定(ding)在(zai)缸(gang)體上,而葉片(pian)(pian)和轉(zhuan)子連接在(zai)一起。根據進油方向(xiang),葉片(pian)(pian)將帶動(dong)(dong)(dong)轉(zhuan)子作往復(fu)(fu)擺(bai)動(dong)(dong)(dong)。螺(luo)旋(xuan)(xuan)擺(bai)動(dong)(dong)(dong)式(shi)(shi)(shi)又分單螺(luo)旋(xuan)(xuan)擺(bai)動(dong)(dong)(dong)和雙(shuang)螺(luo)旋(xuan)(xuan)兩種,現(xian)在(zai)雙(shuang)螺(luo)旋(xuan)(xuan)比較(jiao)常用,靠(kao)兩個螺(luo)旋(xuan)(xuan)副降液壓缸(gang)內活(huo)塞(sai)的直線運(yun)(yun)動(dong)(dong)(dong)轉(zhuan)變為(wei)直線運(yun)(yun)動(dong)(dong)(dong)與自(zi)轉(zhuan)運(yun)(yun)動(dong)(dong)(dong)的復(fu)(fu)he運(yun)(yun)動(dong)(dong)(dong),從而實現(xian)擺(bai)動(dong)(dong)(dong)運(yun)(yun)動(dong)(dong)(dong)。





其(qi)次是裝(zhuang)配時有異(yi)物進入(ru)及密(mi)封材料(liao)質量不好。其(qi)后果則是動作(zuo)緩(huan)慢、無(wu)力,嚴重時還會(hui)造成(cheng)活塞(sai)及缸筒的(de)損(sun)壞,出(chu)現“拉缸”現象。處理方法是調整速度(du)控制閥,對照安(an)裝(zhuang)說明應做必要(yao)的(de)操(cao)作(zuo)和改進。
(2)液壓(ya)(ya)回路泄漏。包括閥及液壓(ya)(ya)管路的泄漏。檢(jian)修方法是通過操(cao)縱換向閥檢(jian)查并消除液壓(ya)(ya)連接(jie)管路的泄漏。
(3)液壓油(you)經(jing)溢流閥旁通回(hui)油(you)箱(xiang)。
、液壓缸低速爬(pa)行(xing)的現象(xiang)
液(ye)壓(ya)缸(gang)的(de)活塞(sai)桿在(zai)油(you)壓(ya)的(de)作用下(xia)伸出或縮回(hui)時(shi),經常(chang)出現(xian)速度(du)不均勻現(xian)象(xiang),并有時(shi)伴有振動(dong)和異響,從而引(yin)起整個液(ye)壓(ya)系統(tong)的(de)振動(dong),并帶動(dong)主(zhu)機(ji)(ji)其它(ta)部件振動(dong),在(zai)主(zhu)機(ji)(ji)調試過程中經常(chang)出現(xian),有時(shi)速度(du)快了,這種現(xian)象(xiang)會減輕(qing)。除因液(ye)壓(ya)系統(tong)管(guan)路引(yin)起這種現(xian)象(xiang)以(yi)外(wai),液(ye)壓(ya)缸(gang)自身產生的(de)振動(dong)也(ye)經常(chang)引(yin)發此(ci)類現(xian)象(xiang)。
原因分析
液壓(ya)缸有桿腔和無桿腔存(cun)有氣體(ti)而產生的低速(su)爬行,由于氣體(ti)混在液壓(ya)油中,在壓(ya)力(li)的作(zuo)用(yong)(yong)下(xia),容器內體(ti)積變(bian)化,在高(gao)壓(ya)作(zuo)用(yong)(yong)下(xia)甚至發(fa)生氣體(ti)瞬間,從而引起液壓(ya)缸的速(su)度不穩(wen)定。