
威海力建液壓(ya)設備廠
經營模式:生產(chan)加工(gong)
地(di)址:山東省威(wei)海(hai)市羊亭孫家灘工業(ye)園(yuan)
主營:液壓缸(gang),油缸(gang),液壓系(xi)統(tong)
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)缸是(shi)輸出扭矩(ju)并實現往(wang)復(fu)運動(dong)(dong)(dong)(dong)的執(zhi)行元件,有單(dan)葉(xie)(xie)(xie)片(pian)、雙葉(xie)(xie)(xie)片(pian)、螺(luo)(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)等(deng)幾(ji)種形式(shi)。葉(xie)(xie)(xie)片(pian)式(shi)式(shi):定子(zi)塊固定在(zai)(zai)缸體上,而葉(xie)(xie)(xie)片(pian)和(he)轉(zhuan)子(zi)連接在(zai)(zai)一起(qi)。根據進(jin)油(you)方向,葉(xie)(xie)(xie)片(pian)將帶動(dong)(dong)(dong)(dong)轉(zhuan)子(zi)作往(wang)復(fu)擺(bai)動(dong)(dong)(dong)(dong)。螺(luo)(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)式(shi)又分單(dan)螺(luo)(luo)旋(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)和(he)雙螺(luo)(luo)旋(xuan)(xuan)(xuan)兩種,現在(zai)(zai)雙螺(luo)(luo)旋(xuan)(xuan)(xuan)比(bi)較常用,靠兩個螺(luo)(luo)旋(xuan)(xuan)(xuan)副降液壓(ya)缸內活塞的直線(xian)運動(dong)(dong)(dong)(dong)轉(zhuan)變為直線(xian)運動(dong)(dong)(dong)(dong)與自轉(zhuan)運動(dong)(dong)(dong)(dong)的復(fu)he運動(dong)(dong)(dong)(dong),從而實現擺(bai)動(dong)(dong)(dong)(dong)運動(dong)(dong)(dong)(dong)。





其(qi)次(ci)是(shi)裝(zhuang)配時(shi)有(you)異物進入及密封材料質量不好。其(qi)后果(guo)則(ze)是(shi)動(dong)作緩慢、無力,嚴(yan)重(zhong)時(shi)還會造成活塞及缸筒的損壞,出(chu)現“拉缸”現象。處理(li)方法是(shi)調整速度(du)控制閥,對照安(an)裝(zhuang)說(shuo)明應做必(bi)要的操(cao)作和(he)改(gai)進。
(2)液(ye)壓(ya)回路(lu)泄(xie)(xie)漏(lou)。包括閥及液(ye)壓(ya)管(guan)路(lu)的泄(xie)(xie)漏(lou)。檢修方法是通(tong)過操縱換向閥檢查并消(xiao)除(chu)液(ye)壓(ya)連接管(guan)路(lu)的泄(xie)(xie)漏(lou)。
(3)液壓油經溢流閥旁通回油箱。
、液壓缸低速爬行(xing)的現象
液(ye)壓缸的(de)活塞桿在(zai)油(you)壓的(de)作(zuo)用下伸出(chu)或縮(suo)回時,經常出(chu)現(xian)(xian)速度(du)不均(jun)勻現(xian)(xian)象,并有(you)時伴(ban)有(you)振(zhen)動(dong)和異響,從而引起(qi)整個(ge)液(ye)壓系(xi)統(tong)的(de)振(zhen)動(dong),并帶動(dong)主(zhu)機其它部件振(zhen)動(dong),在(zai)主(zhu)機調試過程中(zhong)經常出(chu)現(xian)(xian),有(you)時速度(du)快了,這種現(xian)(xian)象會減輕。除因(yin)液(ye)壓系(xi)統(tong)管路引起(qi)這種現(xian)(xian)象以(yi)外,液(ye)壓缸自身(shen)產生的(de)振(zhen)動(dong)也經常引發此類現(xian)(xian)象。
原因分析
液(ye)壓(ya)(ya)缸(gang)有桿腔(qiang)和(he)無桿腔(qiang)存有氣(qi)體(ti)(ti)而(er)產生的(de)低速爬行,由于氣(qi)體(ti)(ti)混在液(ye)壓(ya)(ya)油中(zhong),在壓(ya)(ya)力的(de)作(zuo)用下,容(rong)器(qi)內(nei)體(ti)(ti)積變(bian)化(hua),在高(gao)壓(ya)(ya)作(zuo)用下甚至發生氣(qi)體(ti)(ti)瞬間,從而(er)引(yin)起液(ye)壓(ya)(ya)缸(gang)的(de)速度不穩定。