
威海力建(jian)液壓設(she)備廠
經營模式:生產加工(gong)
地址:山東省威海市(shi)羊亭孫家灘(tan)工業園
主營:液壓缸,油缸,液壓系(xi)統
業務(wu)熱線:
QQ:3049278720
液壓缸的分類
液(ye)(ye)壓(ya)缸(gang)的結構形(xing)式(shi)(shi)(shi)多(duo)種(zhong)多(duo)樣,其分(fen)(fen)類方法也有多(duo)種(zhong):按(an)運(yun)動(dong)方式(shi)(shi)(shi)可(ke)(ke)分(fen)(fen)為(wei)(wei)直線往復運(yun)動(dong)式(shi)(shi)(shi)和回轉(zhuan)擺動(dong)式(shi)(shi)(shi);按(an)受(shou)液(ye)(ye)壓(ya)力(li)作用情況可(ke)(ke)分(fen)(fen)為(wei)(wei)單作用式(shi)(shi)(shi)、雙(shuang)作用式(shi)(shi)(shi);按(an)結構形(xing)式(shi)(shi)(shi)可(ke)(ke)分(fen)(fen)為(wei)(wei)活塞式(shi)(shi)(shi)、柱塞式(shi)(shi)(shi)、多(duo)級伸縮套筒式(shi)(shi)(shi),齒(chi)輪齒(chi)條式(shi)(shi)(shi)等(deng);按(an)安裝(zhuang)形(xing)式(shi)(shi)(shi)可(ke)(ke)分(fen)(fen)為(wei)(wei)拉桿、耳環、底(di)腳、鉸軸等(deng);按(an)壓(ya)力(li)等(deng)級可(ke)(ke)分(fen)(fen)為(wei)(wei)16Mpa、25Mpa、31.5Mpa等(deng)。(威(wei)海力(li)建(jian)冶金液(ye)(ye)壓(ya)設備廠)





擺動式液壓缸
擺動(dong)(dong)(dong)式(shi)液(ye)(ye)壓(ya)缸是(shi)輸出扭(niu)矩并實(shi)現往復運動(dong)(dong)(dong)的(de)執行元件(jian),有單(dan)葉(xie)片(pian)、雙(shuang)葉(xie)片(pian)、螺旋(xuan)(xuan)(xuan)(xuan)擺動(dong)(dong)(dong)等幾種形(xing)式(shi)。葉(xie)片(pian)式(shi)式(shi):定子(zi)塊(kuai)固(gu)定在缸體上,而葉(xie)片(pian)和轉(zhuan)子(zi)連接在一(yi)起。根據進(jin)油(you)方向,葉(xie)片(pian)將帶(dai)動(dong)(dong)(dong)轉(zhuan)子(zi)作往復擺動(dong)(dong)(dong)。螺旋(xuan)(xuan)(xuan)(xuan)擺動(dong)(dong)(dong)式(shi)又分單(dan)螺旋(xuan)(xuan)(xuan)(xuan)擺動(dong)(dong)(dong)和雙(shuang)螺旋(xuan)(xuan)(xuan)(xuan)兩(liang)種,現在雙(shuang)螺旋(xuan)(xuan)(xuan)(xuan)比較常(chang)用(yong),靠兩(liang)個(ge)螺旋(xuan)(xuan)(xuan)(xuan)副(fu)降液(ye)(ye)壓(ya)缸內活塞(sai)的(de)直(zhi)線運動(dong)(dong)(dong)轉(zhuan)變為直(zhi)線運動(dong)(dong)(dong)與自(zi)轉(zhuan)運動(dong)(dong)(dong)的(de)復he運動(dong)(dong)(dong),從(cong)而實(shi)現擺動(dong)(dong)(dong)運動(dong)(dong)(dong)。
3、活塞滑移或爬行
液壓缸(gang)的活塞滑移(yi)或(huo)爬行將(jiang)使液壓缸(gang)工作不穩(wen)定。主要(yao)原因如下:
(1)液(ye)壓(ya)缸(gang)內(nei)部(bu)澀滯。液(ye)壓(ya)缸(gang)內(nei)部(bu)零件(jian)裝配(pei)不(bu)當、零件(jian)變形(xing)、磨損(sun)或形(xing)位公(gong)差超限,動作阻(zu)力過大,使液(ye)壓(ya)缸(gang)活塞速(su)度(du)隨著行(xing)程位置的不(bu)同而變化,出現滑移或爬(pa)行(xing)。原因大多(duo)是由于零件(jian)裝配(pei)質量(liang)差,表(biao)面有傷痕(hen)或燒(shao)結(jie)產生的鐵屑,使阻(zu)力增(zeng)大,速(su)度(du)下降。

李建波先生
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