
威海力建液(ye)壓設備(bei)廠
經營模(mo)式:生產(chan)加(jia)工
地址:山東省(sheng)威海市羊亭孫家灘工(gong)業園
主營(ying):液(ye)壓缸(gang),油缸(gang),液(ye)壓系統
業務(wu)熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)式液壓(ya)(ya)缸是輸出(chu)扭矩并實(shi)現往復運(yun)(yun)動(dong)(dong)的(de)(de)執行(xing)元件,有單(dan)葉片(pian)、雙葉片(pian)、螺(luo)(luo)旋(xuan)(xuan)擺(bai)動(dong)(dong)等幾種形式。葉片(pian)式式:定子塊固定在缸體上,而葉片(pian)和轉子連接在一(yi)起。根據進油(you)方向,葉片(pian)將帶動(dong)(dong)轉子作往復擺(bai)動(dong)(dong)。螺(luo)(luo)旋(xuan)(xuan)擺(bai)動(dong)(dong)式又分(fen)單(dan)螺(luo)(luo)旋(xuan)(xuan)擺(bai)動(dong)(dong)和雙螺(luo)(luo)旋(xuan)(xuan)兩種,現在雙螺(luo)(luo)旋(xuan)(xuan)比較常用(yong),靠兩個(ge)螺(luo)(luo)旋(xuan)(xuan)副降液壓(ya)(ya)缸內活塞的(de)(de)直線(xian)運(yun)(yun)動(dong)(dong)轉變為(wei)直線(xian)運(yun)(yun)動(dong)(dong)與自轉運(yun)(yun)動(dong)(dong)的(de)(de)復he運(yun)(yun)動(dong)(dong),從而實(shi)現擺(bai)動(dong)(dong)運(yun)(yun)動(dong)(dong)。





零部件(jian)加(jia)工(gong)(gong)(gong)精度(du)(du)的(de)(de)影(ying)(ying)響問題(ti),在液壓缸(gang)(gang)的(de)(de)制造過程(cheng)中(zhong)應嚴格控制缸(gang)(gang)體(ti)內(nei)壁和活(huo)(huo)塞(sai)桿表(biao)面加(jia)工(gong)(gong)(gong)精度(du)(du),特別是(shi)幾何精度(du)(du),尤其直(zhi)(zhi)(zhi)線(xian)度(du)(du)是(shi)關鍵,在國內(nei)加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)中(zhong),活(huo)(huo)塞(sai)桿表(biao)面的(de)(de)加(jia)工(gong)(gong)(gong)基本上(shang)是(shi)車后磨(mo)(mo)(mo)削(xue)(xue),保證直(zhi)(zhi)(zhi)線(xian)度(du)(du)問題(ti)不大(da),但對于(yu)缸(gang)(gang)體(ti)內(nei)壁的(de)(de)加(jia)工(gong)(gong)(gong),其加(jia)工(gong)(gong)(gong)方法很(hen)多,有(you)鏜(tang)削(xue)(xue)-滾壓、鏜(tang)削(xue)(xue)-珩磨(mo)(mo)(mo)、直(zhi)(zhi)(zhi)接(jie)珩磨(mo)(mo)(mo)等,但由于(yu)國內(nei)材料的(de)(de)基礎水平較國外有(you)差(cha)距,管(guan)材坯(pi)料直(zhi)(zhi)(zhi)線(xian)度(du)(du)差(cha),壁厚不均勻、硬度(du)(du)不均勻等因素,往往直(zhi)(zhi)(zhi)接(jie)影(ying)(ying)響缸(gang)(gang)體(ti)內(nei)壁加(jia)工(gong)(gong)(gong)后的(de)(de)直(zhi)(zhi)(zhi)線(xian)度(du)(du),因此建議采用鏜(tang)削(xue)(xue)-滾壓、鏜(tang)削(xue)(xue)-珩磨(mo)(mo)(mo)工(gong)(gong)(gong)藝(yi),如直(zhi)(zhi)(zhi)接(jie)珩磨(mo)(mo)(mo),則必須首先提高管(guan)材坯(pi)料的(de)(de)直(zhi)(zhi)(zhi)線(xian)度(du)(du)。
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在允許的情況(kuang)下,液壓缸的缸體(ti)壁厚安全(quan)系數盡量選大一(yi)些,使(shi)缸體(ti)厚壁增加,特(te)別是高壓工況(kuang)下使(shi)用的油缸,以減小(xiao)油壓下的缸體(ti)變形(xing),變形(xing)后(hou)的缸體(ti)也會引起液壓缸低(di)速(su)爬行。
①缸體組件
缸(gang)體(ti)組件由液壓(ya)缸(gang)缸(gang)筒(tong)與(yu)端蓋組成,缸(gang)筒(tong)與(yu)端蓋有多(duo)種(zhong)聯接形式(shi).
②活塞組件
活塞組件由活塞與活塞桿構成,活塞和活塞桿除(chu)常用(yong)的螺紋聯接外,也可(ke)采(cai)用(yong)'非螺紋式(shi)'聯接. ③密封裝置
在活(huo)塞和活(huo)塞桿的運動部分,端蓋和缸(gang)筒間的靜止(zhi)部分等處都需要(yao)設置可靠的密封.密封是提(ti)高系統性(xing)能與(yu)效(xiao)率的有效(xiao)措施(shi).
④緩沖裝置
大型,高速及精度的液(ye)壓(ya)缸應設有(you)緩沖(chong)裝置(zhi),常見的液(ye)壓(ya)缸緩沖(chong)裝置(zhi)有(you)環狀間隙式(shi),節(jie)(jie)流口(kou)可調式(shi)和節(jie)(jie)流口(kou)可變(bian)式(shi)等(deng)幾種.
⑤排氣裝置
液壓(ya)(ya)缸中(zhong)存在空氣將(jiang)使其運動不平穩,當壓(ya)(ya)力增大時會產生絕熱(re)壓(ya)(ya)縮(suo)而造成局部高(gao)溫,因此應在液壓(ya)(ya)缸的(de)高(gao)部位上設置(zhi)排氣裝(zhuang)置(zhi).
排(pai)氣(qi)裝置通常有珠形(xing)閥(fa)式排(pai)氣(qi)閥(fa)和錐(zhui)形(xing)閥(fa)式排(pai)氣(qi)閥(fa)兩(liang)種形(xing)式.
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