
威海力建液壓(ya)設備廠(chang)
經營模式(shi):生產(chan)加(jia)工
地址:山東省威海市羊(yang)亭孫家(jia)灘工業園
主(zhu)營:液壓(ya)缸,油缸,液壓(ya)系(xi)統
業務熱(re)線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)(dong)式(shi)液壓缸(gang)(gang)是輸出扭矩(ju)并(bing)實現往復運(yun)(yun)動(dong)(dong)(dong)(dong)的執行元件,有單葉片、雙(shuang)葉片、螺(luo)旋(xuan)(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)等(deng)幾種(zhong)形(xing)式(shi)。葉片式(shi)式(shi):定(ding)子(zi)(zi)塊固定(ding)在缸(gang)(gang)體上,而葉片和轉(zhuan)子(zi)(zi)連(lian)接在一起。根據進油方向,葉片將帶動(dong)(dong)(dong)(dong)轉(zhuan)子(zi)(zi)作往復擺(bai)動(dong)(dong)(dong)(dong)。螺(luo)旋(xuan)(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)式(shi)又分單螺(luo)旋(xuan)(xuan)(xuan)(xuan)擺(bai)動(dong)(dong)(dong)(dong)和雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)(xuan)兩種(zhong),現在雙(shuang)螺(luo)旋(xuan)(xuan)(xuan)(xuan)比較常用,靠兩個螺(luo)旋(xuan)(xuan)(xuan)(xuan)副(fu)降液壓缸(gang)(gang)內(nei)活(huo)塞的直線(xian)運(yun)(yun)動(dong)(dong)(dong)(dong)轉(zhuan)變為(wei)直線(xian)運(yun)(yun)動(dong)(dong)(dong)(dong)與自轉(zhuan)運(yun)(yun)動(dong)(dong)(dong)(dong)的復he運(yun)(yun)動(dong)(dong)(dong)(dong),從而實現擺(bai)動(dong)(dong)(dong)(dong)運(yun)(yun)動(dong)(dong)(dong)(dong)。





零部件加工(gong)(gong)精(jing)度(du)(du)(du)的(de)(de)(de)影(ying)響問題(ti),在液壓缸(gang)(gang)的(de)(de)(de)制(zhi)造過程中(zhong)應嚴格(ge)控制(zhi)缸(gang)(gang)體內(nei)壁(bi)(bi)和活(huo)(huo)塞桿表(biao)面加工(gong)(gong)精(jing)度(du)(du)(du),特別是(shi)幾何精(jing)度(du)(du)(du),尤其直(zhi)線度(du)(du)(du)是(shi)關鍵,在國(guo)內(nei)加工(gong)(gong)工(gong)(gong)藝中(zhong),活(huo)(huo)塞桿表(biao)面的(de)(de)(de)加工(gong)(gong)基本上是(shi)車(che)后(hou)磨(mo)削,保證直(zhi)線度(du)(du)(du)問題(ti)不大,但對于缸(gang)(gang)體內(nei)壁(bi)(bi)的(de)(de)(de)加工(gong)(gong),其加工(gong)(gong)方法很多,有鏜削-滾(gun)壓、鏜削-珩(heng)磨(mo)、直(zhi)接(jie)珩(heng)磨(mo)等,但由(you)于國(guo)內(nei)材(cai)料(liao)的(de)(de)(de)基礎水(shui)平較國(guo)外有差距(ju),管(guan)材(cai)坯(pi)(pi)料(liao)直(zhi)線度(du)(du)(du)差,壁(bi)(bi)厚不均勻、硬(ying)度(du)(du)(du)不均勻等因素,往往直(zhi)接(jie)影(ying)響缸(gang)(gang)體內(nei)壁(bi)(bi)加工(gong)(gong)后(hou)的(de)(de)(de)直(zhi)線度(du)(du)(du),因此建議(yi)采用鏜削-滾(gun)壓、鏜削-珩(heng)磨(mo)工(gong)(gong)藝,如直(zhi)接(jie)珩(heng)磨(mo),則必須首先提(ti)高管(guan)材(cai)坯(pi)(pi)料(liao)的(de)(de)(de)直(zhi)線度(du)(du)(du)。
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在(zai)允許的情況下,液壓(ya)缸(gang)(gang)(gang)的缸(gang)(gang)(gang)體(ti)壁厚安(an)全系數盡(jin)量(liang)選大一(yi)些,使缸(gang)(gang)(gang)體(ti)厚壁增加,特別是高壓(ya)工(gong)況下使用的油(you)缸(gang)(gang)(gang),以減小油(you)壓(ya)下的缸(gang)(gang)(gang)體(ti)變形,變形后(hou)的缸(gang)(gang)(gang)體(ti)也會引起(qi)液壓(ya)缸(gang)(gang)(gang)低速爬行。
①缸體組件
缸(gang)體組件由液壓缸(gang)缸(gang)筒與端蓋組成,缸(gang)筒與端蓋有多種聯接形式.
②活塞組件
活(huo)塞(sai)組(zu)件由活(huo)塞(sai)與活(huo)塞(sai)桿(gan)構成,活(huo)塞(sai)和活(huo)塞(sai)桿(gan)除(chu)常用(yong)的螺紋(wen)(wen)聯接外,也可采用(yong)'非(fei)螺紋(wen)(wen)式'聯接. ③密封裝置
在活(huo)塞和活(huo)塞桿的(de)運動部分(fen),端蓋和缸筒間的(de)靜止部分(fen)等處(chu)都需要設置可靠的(de)密封.密封是提高系統性能與(yu)效率的(de)有效措施.
④緩沖裝置
大型,高速及精度的(de)液壓缸(gang)應設有(you)緩沖(chong)裝置(zhi),常見的(de)液壓缸(gang)緩沖(chong)裝置(zhi)有(you)環狀間(jian)隙(xi)式,節流(liu)口(kou)可(ke)調式和節流(liu)口(kou)可(ke)變式等(deng)幾種.
⑤排氣裝置
液壓(ya)(ya)缸中存在(zai)空(kong)氣將使其(qi)運動不平穩,當壓(ya)(ya)力(li)增(zeng)大時(shi)會產生絕熱壓(ya)(ya)縮而(er)造(zao)成局部高溫,因此(ci)應在(zai)液壓(ya)(ya)缸的高部位上設(she)置排(pai)氣裝置.
排(pai)氣(qi)裝置通常(chang)有珠形閥式排(pai)氣(qi)閥和錐(zhui)形閥式排(pai)氣(qi)閥兩種(zhong)形式.
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