
威海(hai)力建液壓設備廠
經營模式:生(sheng)產(chan)加工
地址:山東省威(wei)海(hai)市(shi)羊亭孫家灘工(gong)業園
主營:液壓(ya)缸,油缸,液壓(ya)系統
業務熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)(dong)式(shi)(shi)液(ye)壓缸(gang)是(shi)輸出扭矩并實(shi)現往復運(yun)動(dong)(dong)(dong)(dong)的(de)(de)執行(xing)元件,有(you)單(dan)葉片、雙(shuang)葉片、螺(luo)(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)等幾種形式(shi)(shi)。葉片式(shi)(shi)式(shi)(shi):定子(zi)塊(kuai)固定在(zai)缸(gang)體上,而(er)葉片和(he)轉(zhuan)(zhuan)(zhuan)子(zi)連接在(zai)一起。根(gen)據進油方向,葉片將帶動(dong)(dong)(dong)(dong)轉(zhuan)(zhuan)(zhuan)子(zi)作往復擺(bai)動(dong)(dong)(dong)(dong)。螺(luo)(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)式(shi)(shi)又分單(dan)螺(luo)(luo)旋(xuan)擺(bai)動(dong)(dong)(dong)(dong)和(he)雙(shuang)螺(luo)(luo)旋(xuan)兩種,現在(zai)雙(shuang)螺(luo)(luo)旋(xuan)比較(jiao)常用(yong),靠兩個(ge)螺(luo)(luo)旋(xuan)副降(jiang)液(ye)壓缸(gang)內活塞的(de)(de)直(zhi)(zhi)線運(yun)動(dong)(dong)(dong)(dong)轉(zhuan)(zhuan)(zhuan)變為直(zhi)(zhi)線運(yun)動(dong)(dong)(dong)(dong)與自轉(zhuan)(zhuan)(zhuan)運(yun)動(dong)(dong)(dong)(dong)的(de)(de)復he運(yun)動(dong)(dong)(dong)(dong),從而(er)實(shi)現擺(bai)動(dong)(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)(dong)。





零(ling)部(bu)件加(jia)工(gong)(gong)精(jing)度(du)(du)(du)(du)的(de)(de)影響問(wen)題(ti),在液(ye)壓(ya)缸(gang)的(de)(de)制造(zao)過程中應嚴格控制缸(gang)體(ti)內(nei)(nei)壁(bi)(bi)和活塞桿(gan)表面(mian)加(jia)工(gong)(gong)精(jing)度(du)(du)(du)(du),特別(bie)是幾何精(jing)度(du)(du)(du)(du),尤其直(zhi)(zhi)(zhi)線(xian)(xian)度(du)(du)(du)(du)是關鍵(jian),在國內(nei)(nei)加(jia)工(gong)(gong)工(gong)(gong)藝中,活塞桿(gan)表面(mian)的(de)(de)加(jia)工(gong)(gong)基(ji)本上是車后磨(mo)削(xue),保證直(zhi)(zhi)(zhi)線(xian)(xian)度(du)(du)(du)(du)問(wen)題(ti)不大,但對于缸(gang)體(ti)內(nei)(nei)壁(bi)(bi)的(de)(de)加(jia)工(gong)(gong),其加(jia)工(gong)(gong)方法(fa)很多,有(you)鏜(tang)削(xue)-滾壓(ya)、鏜(tang)削(xue)-珩磨(mo)、直(zhi)(zhi)(zhi)接(jie)珩磨(mo)等(deng),但由(you)于國內(nei)(nei)材(cai)料(liao)的(de)(de)基(ji)礎水平較國外有(you)差距(ju),管材(cai)坯料(liao)直(zhi)(zhi)(zhi)線(xian)(xian)度(du)(du)(du)(du)差,壁(bi)(bi)厚不均(jun)勻、硬(ying)度(du)(du)(du)(du)不均(jun)勻等(deng)因素(su),往(wang)往(wang)直(zhi)(zhi)(zhi)接(jie)影響缸(gang)體(ti)內(nei)(nei)壁(bi)(bi)加(jia)工(gong)(gong)后的(de)(de)直(zhi)(zhi)(zhi)線(xian)(xian)度(du)(du)(du)(du),因此建議采用鏜(tang)削(xue)-滾壓(ya)、鏜(tang)削(xue)-珩磨(mo)工(gong)(gong)藝,如直(zhi)(zhi)(zhi)接(jie)珩磨(mo),則(ze)必須首先提(ti)高管材(cai)坯料(liao)的(de)(de)直(zhi)(zhi)(zhi)線(xian)(xian)度(du)(du)(du)(du)。
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在允(yun)許的情況(kuang)下,液(ye)壓(ya)缸(gang)(gang)(gang)的缸(gang)(gang)(gang)體壁厚(hou)安全系數盡量選大(da)一些,使(shi)缸(gang)(gang)(gang)體厚(hou)壁增加,特別是(shi)高壓(ya)工況(kuang)下使(shi)用的油缸(gang)(gang)(gang),以減小油壓(ya)下的缸(gang)(gang)(gang)體變(bian)形(xing),變(bian)形(xing)后的缸(gang)(gang)(gang)體也會引(yin)起(qi)液(ye)壓(ya)缸(gang)(gang)(gang)低速爬行。
①缸體組件
缸(gang)體組(zu)件由液壓缸(gang)缸(gang)筒(tong)與端蓋組(zu)成,缸(gang)筒(tong)與端蓋有多種聯接形式.
②活塞組件
活(huo)塞(sai)(sai)(sai)組件由(you)活(huo)塞(sai)(sai)(sai)與(yu)活(huo)塞(sai)(sai)(sai)桿構成,活(huo)塞(sai)(sai)(sai)和活(huo)塞(sai)(sai)(sai)桿除(chu)常用的螺(luo)紋聯接外,也可采用'非(fei)螺(luo)紋式'聯接. ③密封裝置(zhi)
在活(huo)塞(sai)和活(huo)塞(sai)桿(gan)的(de)運(yun)動部(bu)分,端(duan)蓋和缸(gang)筒間的(de)靜止部(bu)分等(deng)處都需(xu)要設置可靠的(de)密封(feng).密封(feng)是(shi)提(ti)高系統性能與(yu)效率的(de)有效措(cuo)施.
④緩沖裝置
大型,高速(su)及精度的液壓(ya)缸應設有(you)緩沖裝置(zhi),常見的液壓(ya)缸緩沖裝置(zhi)有(you)環狀間(jian)隙(xi)式,節流口可(ke)調式和節流口可(ke)變(bian)式等幾種.
⑤排氣裝置
液壓(ya)缸中存在空氣將使其運動不平穩(wen),當壓(ya)力增大時(shi)會(hui)產生絕(jue)熱壓(ya)縮而(er)造成(cheng)局部高溫,因此應在液壓(ya)缸的高部位上設置排氣裝置.
排氣(qi)裝置通常有珠形(xing)閥(fa)(fa)式排氣(qi)閥(fa)(fa)和(he)錐(zhui)形(xing)閥(fa)(fa)式排氣(qi)閥(fa)(fa)兩種形(xing)式.
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