
威海力建液壓(ya)設備(bei)廠
經營模式:生產加工
地址:山東(dong)省(sheng)威海市羊亭孫家灘工業園
主(zhu)營(ying):液(ye)壓(ya)缸,油缸,液(ye)壓(ya)系(xi)統
業(ye)務熱線(xian):
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)(dong)式(shi)(shi)液壓缸是輸出扭矩并實現往(wang)(wang)復運動(dong)(dong)(dong)(dong)的執(zhi)行元件,有單葉片(pian)(pian)(pian)、雙(shuang)(shuang)葉片(pian)(pian)(pian)、螺(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)等幾(ji)種形式(shi)(shi)。葉片(pian)(pian)(pian)式(shi)(shi)式(shi)(shi):定(ding)子(zi)塊固定(ding)在缸體上,而(er)葉片(pian)(pian)(pian)和轉子(zi)連(lian)接在一(yi)起。根據進油方(fang)向(xiang),葉片(pian)(pian)(pian)將帶動(dong)(dong)(dong)(dong)轉子(zi)作往(wang)(wang)復擺(bai)動(dong)(dong)(dong)(dong)。螺(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)式(shi)(shi)又分單螺(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)和雙(shuang)(shuang)螺(luo)旋(xuan)兩(liang)種,現在雙(shuang)(shuang)螺(luo)旋(xuan)比較(jiao)常用,靠兩(liang)個螺(luo)旋(xuan)副降(jiang)液壓缸內活塞的直線(xian)運動(dong)(dong)(dong)(dong)轉變為直線(xian)運動(dong)(dong)(dong)(dong)與自轉運動(dong)(dong)(dong)(dong)的復he運動(dong)(dong)(dong)(dong),從而(er)實現擺(bai)動(dong)(dong)(dong)(dong)運動(dong)(dong)(dong)(dong)。





零(ling)部(bu)件加(jia)(jia)工(gong)(gong)精度(du)的(de)(de)(de)影響問(wen)題(ti),在液壓缸(gang)(gang)的(de)(de)(de)制造過程(cheng)中(zhong)應嚴格控制缸(gang)(gang)體內壁和活(huo)塞桿(gan)表面加(jia)(jia)工(gong)(gong)精度(du),特(te)別是幾何精度(du),尤其直(zhi)線(xian)度(du)是關(guan)鍵,在國(guo)內加(jia)(jia)工(gong)(gong)工(gong)(gong)藝(yi)中(zhong),活(huo)塞桿(gan)表面的(de)(de)(de)加(jia)(jia)工(gong)(gong)基(ji)本上是車(che)后(hou)(hou)磨削(xue),保證直(zhi)線(xian)度(du)問(wen)題(ti)不大,但對于缸(gang)(gang)體內壁的(de)(de)(de)加(jia)(jia)工(gong)(gong),其加(jia)(jia)工(gong)(gong)方法很多,有鏜削(xue)-滾壓、鏜削(xue)-珩磨、直(zhi)接珩磨等,但由于國(guo)內材(cai)料(liao)的(de)(de)(de)基(ji)礎(chu)水平較國(guo)外有差(cha)距,管材(cai)坯(pi)料(liao)直(zhi)線(xian)度(du)差(cha),壁厚不均勻(yun)、硬度(du)不均勻(yun)等因(yin)素,往往直(zhi)接影響缸(gang)(gang)體內壁加(jia)(jia)工(gong)(gong)后(hou)(hou)的(de)(de)(de)直(zhi)線(xian)度(du),因(yin)此建議采用(yong)鏜削(xue)-滾壓、鏜削(xue)-珩磨工(gong)(gong)藝(yi),如直(zhi)接珩磨,則必須(xu)首(shou)先提(ti)高管材(cai)坯(pi)料(liao)的(de)(de)(de)直(zhi)線(xian)度(du)。
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在(zai)允許的(de)情(qing)況下(xia),液(ye)壓缸的(de)缸體壁厚安全系數盡(jin)量選(xuan)大一些,使缸體厚壁增加,特(te)別是高壓工況下(xia)使用的(de)油(you)(you)缸,以減(jian)小油(you)(you)壓下(xia)的(de)缸體變(bian)形,變(bian)形后的(de)缸體也會引起液(ye)壓缸低速爬行。
①缸體組件
缸(gang)(gang)(gang)體(ti)組件(jian)由液(ye)壓缸(gang)(gang)(gang)缸(gang)(gang)(gang)筒(tong)與(yu)端蓋組成,缸(gang)(gang)(gang)筒(tong)與(yu)端蓋有多種聯接形式.
②活塞組件
活(huo)塞組件由活(huo)塞與(yu)活(huo)塞桿構(gou)成,活(huo)塞和活(huo)塞桿除常(chang)用的螺(luo)紋(wen)聯接外,也可采(cai)用'非螺(luo)紋(wen)式(shi)'聯接. ③密封裝置
在活(huo)塞(sai)和(he)活(huo)塞(sai)桿的(de)運動部分,端蓋和(he)缸筒間的(de)靜止部分等處(chu)都需要設置可(ke)靠(kao)的(de)密(mi)封(feng).密(mi)封(feng)是提(ti)高系統性能(neng)與(yu)效(xiao)率(lv)的(de)有(you)效(xiao)措施.
④緩沖裝置
大型,高速及精度的液(ye)壓(ya)缸(gang)應設有(you)緩(huan)沖(chong)裝(zhuang)置,常見的液(ye)壓(ya)缸(gang)緩(huan)沖(chong)裝(zhuang)置有(you)環狀間隙式(shi),節流口可(ke)調(diao)式(shi)和節流口可(ke)變式(shi)等幾種.
⑤排氣裝置
液(ye)壓缸(gang)中存在(zai)空氣(qi)(qi)將使其運(yun)動不平穩,當(dang)壓力增大(da)時會產生絕(jue)熱壓縮(suo)而造成(cheng)局部高溫(wen),因此應在(zai)液(ye)壓缸(gang)的高部位上設置排(pai)氣(qi)(qi)裝(zhuang)置.
排(pai)氣(qi)裝置通常有珠形閥(fa)式(shi)排(pai)氣(qi)閥(fa)和錐形閥(fa)式(shi)排(pai)氣(qi)閥(fa)兩種形式(shi).
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