
威海力建液(ye)壓設備廠(chang)
經(jing)營模式(shi):生產加工
地址:山東省威海市羊亭孫家(jia)灘(tan)工(gong)業園
主營:液壓(ya)缸(gang),油缸(gang),液壓(ya)系統
業(ye)務熱線:
QQ:3049278720
活(huo)塞式液壓缸的工(gong)作原理
它只在(zai)活(huo)塞的(de)一(yi)側設有活(huo)塞桿,因而(er)兩(liang)(liang)腔的(de)有效作用面(mian)積(ji)不(bu)同(tong)(tong)。在(zai)供油量相(xiang)同(tong)(tong)時(shi),不(bu)同(tong)(tong)腔進油,活(huo)塞的(de)運動速度不(bu)同(tong)(tong);在(zai)需克(ke)服(fu)的(de)負(fu)載力(li)(li)相(xiang)同(tong)(tong)時(shi),不(bu)同(tong)(tong)腔進油,所需要的(de)供油壓力(li)(li)不(bu)同(tong)(tong),或者說在(zai)系統壓力(li)(li)調定(ding)后,環衛(wei)垃圾車(che)液壓缸兩(liang)(liang)個方(fang)向運動所能克(ke)服(fu)的(de)負(fu)載力(li)(li)不(bu)同(tong)(tong)。





擺動式液壓缸
擺(bai)(bai)動(dong)(dong)(dong)式液壓缸是輸出扭矩并(bing)實現(xian)往(wang)復運動(dong)(dong)(dong)的執行元件,有單(dan)葉(xie)片(pian)、雙(shuang)(shuang)葉(xie)片(pian)、螺(luo)(luo)(luo)旋(xuan)(xuan)擺(bai)(bai)動(dong)(dong)(dong)等幾種形(xing)式。葉(xie)片(pian)式式:定子塊固定在(zai)缸體上,而葉(xie)片(pian)和(he)轉子連接(jie)在(zai)一起(qi)。根(gen)據進油方(fang)向(xiang),葉(xie)片(pian)將帶(dai)動(dong)(dong)(dong)轉子作(zuo)往(wang)復擺(bai)(bai)動(dong)(dong)(dong)。螺(luo)(luo)(luo)旋(xuan)(xuan)擺(bai)(bai)動(dong)(dong)(dong)式又(you)分單(dan)螺(luo)(luo)(luo)旋(xuan)(xuan)擺(bai)(bai)動(dong)(dong)(dong)和(he)雙(shuang)(shuang)螺(luo)(luo)(luo)旋(xuan)(xuan)兩種,現(xian)在(zai)雙(shuang)(shuang)螺(luo)(luo)(luo)旋(xuan)(xuan)比較常用,靠兩個螺(luo)(luo)(luo)旋(xuan)(xuan)副降液壓缸內活塞(sai)的直線運動(dong)(dong)(dong)轉變為直線運動(dong)(dong)(dong)與自轉運動(dong)(dong)(dong)的復he運動(dong)(dong)(dong),從而實現(xian)擺(bai)(bai)動(dong)(dong)(dong)運動(dong)(dong)(dong)。
O形(xing)密(mi)封圈在低壓(ya)下使用(yong)時,與(yu)U形(xing)密(mi)封圈比較(jiao),由于面(mian)壓(ya)較(jiao)高、動(dong)靜摩擦阻力(li)(li)之差(cha)較(jiao)大,容(rong)易(yi)產生(sheng)滑移(yi)或爬行;U型密(mi)封圈的(de)面(mian)壓(ya)隨(sui)著壓(ya)力(li)(li)的(de)提高而增(zeng)大,雖然(ran)密(mi)封效果也相應提高,但動(dong)靜摩擦阻力(li)(li)之差(cha)也變大,內壓(ya)增(zeng)加,影(ying)響橡膠(jiao)彈性,由于唇(chun)緣的(de)接觸阻力(li)(li)增(zeng)大,密(mi)封圈將會傾翻及(ji)唇(chun)緣伸(shen)長,也容(rong)易(yi)引起滑移(yi)或爬行,為防止其(qi)傾翻可采用(yong)支承環保持其(qi)穩定。