
威(wei)海力建液(ye)壓設備廠
經營模(mo)式:生產加工
地址:山東省(sheng)威(wei)海市羊(yang)亭(ting)孫家灘工業園
主營:液壓缸,油缸,液壓系統
業務(wu)熱線:
QQ:3049278720
擺動式液壓缸
擺(bai)動(dong)(dong)(dong)式液壓(ya)缸(gang)是輸出扭(niu)矩并實現往復運(yun)動(dong)(dong)(dong)的執行(xing)元件(jian),有單(dan)葉(xie)片(pian)、雙葉(xie)片(pian)、螺(luo)旋擺(bai)動(dong)(dong)(dong)等幾種(zhong)形式。葉(xie)片(pian)式式:定(ding)子塊(kuai)固(gu)定(ding)在缸(gang)體上,而葉(xie)片(pian)和轉(zhuan)子連接在一起。根據進油方(fang)向,葉(xie)片(pian)將(jiang)帶動(dong)(dong)(dong)轉(zhuan)子作往復擺(bai)動(dong)(dong)(dong)。螺(luo)旋擺(bai)動(dong)(dong)(dong)式又分單(dan)螺(luo)旋擺(bai)動(dong)(dong)(dong)和雙螺(luo)旋兩種(zhong),現在雙螺(luo)旋比較(jiao)常用,靠兩個螺(luo)旋副降(jiang)液壓(ya)缸(gang)內活塞的直線運(yun)動(dong)(dong)(dong)轉(zhuan)變為直線運(yun)動(dong)(dong)(dong)與自(zi)轉(zhuan)運(yun)動(dong)(dong)(dong)的復he運(yun)動(dong)(dong)(dong),從而實現擺(bai)動(dong)(dong)(dong)運(yun)動(dong)(dong)(dong)。





零部件加(jia)(jia)(jia)工(gong)(gong)精(jing)度(du)的(de)影(ying)響問(wen)題,在液(ye)壓缸(gang)的(de)制(zhi)造過(guo)程中(zhong)應嚴格控(kong)制(zhi)缸(gang)體(ti)內(nei)壁(bi)和活塞(sai)桿(gan)表面(mian)加(jia)(jia)(jia)工(gong)(gong)精(jing)度(du),特別(bie)是幾何精(jing)度(du),尤其(qi)(qi)直(zhi)線度(du)是關鍵,在國(guo)內(nei)加(jia)(jia)(jia)工(gong)(gong)工(gong)(gong)藝中(zhong),活塞(sai)桿(gan)表面(mian)的(de)加(jia)(jia)(jia)工(gong)(gong)基(ji)本(ben)上(shang)是車后(hou)磨削,保證直(zhi)線度(du)問(wen)題不(bu)大,但(dan)對于(yu)缸(gang)體(ti)內(nei)壁(bi)的(de)加(jia)(jia)(jia)工(gong)(gong),其(qi)(qi)加(jia)(jia)(jia)工(gong)(gong)方(fang)法(fa)很多,有鏜削-滾(gun)壓、鏜削-珩(heng)磨、直(zhi)接珩(heng)磨等(deng)(deng),但(dan)由于(yu)國(guo)內(nei)材料(liao)的(de)基(ji)礎水平較國(guo)外有差距,管(guan)材坯(pi)(pi)料(liao)直(zhi)線度(du)差,壁(bi)厚不(bu)均勻、硬度(du)不(bu)均勻等(deng)(deng)因素,往(wang)往(wang)直(zhi)接影(ying)響缸(gang)體(ti)內(nei)壁(bi)加(jia)(jia)(jia)工(gong)(gong)后(hou)的(de)直(zhi)線度(du),因此建議(yi)采用鏜削-滾(gun)壓、鏜削-珩(heng)磨工(gong)(gong)藝,如直(zhi)接珩(heng)磨,則必須(xu)首先提高管(guan)材坯(pi)(pi)料(liao)的(de)直(zhi)線度(du)。
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在允許的(de)(de)情(qing)況(kuang)下(xia),液壓(ya)缸(gang)的(de)(de)缸(gang)體壁(bi)厚安全系(xi)數(shu)盡量(liang)選大一些,使(shi)缸(gang)體厚壁(bi)增(zeng)加,特別是高壓(ya)工況(kuang)下(xia)使(shi)用(yong)的(de)(de)油(you)缸(gang),以減小油(you)壓(ya)下(xia)的(de)(de)缸(gang)體變(bian)形,變(bian)形后的(de)(de)缸(gang)體也(ye)會引起液壓(ya)缸(gang)低速爬行。
①缸體組件
缸(gang)體組件(jian)由液壓缸(gang)缸(gang)筒與(yu)(yu)端(duan)蓋(gai)組成,缸(gang)筒與(yu)(yu)端(duan)蓋(gai)有多種聯接形(xing)式(shi).
②活塞組件
活(huo)(huo)塞組件由活(huo)(huo)塞與活(huo)(huo)塞桿構(gou)成,活(huo)(huo)塞和(he)活(huo)(huo)塞桿除常用(yong)的螺紋(wen)聯(lian)接外,也可采用(yong)'非螺紋(wen)式'聯(lian)接. ③密(mi)封裝置
在活(huo)塞和活(huo)塞桿的(de)運(yun)動部(bu)分(fen),端(duan)蓋和缸筒間的(de)靜止部(bu)分(fen)等處都需(xu)要(yao)設置(zhi)可(ke)靠的(de)密(mi)封(feng).密(mi)封(feng)是(shi)提高系統性(xing)能與效(xiao)率的(de)有效(xiao)措(cuo)施.
④緩沖裝置
大(da)型,高速及精度的液壓(ya)缸應(ying)設有(you)緩沖(chong)裝置,常見(jian)的液壓(ya)缸緩沖(chong)裝置有(you)環(huan)狀間隙式(shi)(shi),節(jie)流(liu)口可調(diao)式(shi)(shi)和節(jie)流(liu)口可變式(shi)(shi)等幾種.
⑤排氣裝置
液壓(ya)缸中存在空氣將使其運動(dong)不平(ping)穩(wen),當壓(ya)力增大時(shi)會(hui)產生絕熱壓(ya)縮而(er)造(zao)成局部(bu)高溫,因此應在液壓(ya)缸的高部(bu)位上設置排氣裝置.
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)兩種形(xing)式.
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