
威海力建液壓設備廠
經營模(mo)式:生產(chan)加工
地(di)址:山東省威海市羊亭孫家灘工(gong)業(ye)園
主(zhu)營:液(ye)壓缸(gang),油缸(gang),液(ye)壓系(xi)統
業務(wu)熱線:
QQ:3049278720
液壓缸的介紹
液壓(ya)(ya)缸(gang)(gang)是(shi)將(jiang)液壓(ya)(ya)能轉(zhuan)變為機械(xie)能的、做直(zhi)線往復運動(或(huo)擺動運動)的液壓(ya)(ya)執行元件。它結(jie)構簡(jian)單、工作可(ke)靠(kao)。用(yong)它來實現(xian)往復運動時,可(ke)免去減速裝(zhuang)置(zhi)(zhi)(zhi),并且沒(mei)有(you)傳動間隙,運動平(ping)穩(wen),因此在各(ge)種機械(xie)的液壓(ya)(ya)系(xi)統(tong)中得(de)到廣泛應(ying)用(yong)。液壓(ya)(ya)缸(gang)(gang)輸出力和(he)活塞有(you)效面積(ji)及其(qi)兩邊的壓(ya)(ya)差成(cheng)正比;液壓(ya)(ya)缸(gang)(gang)基本(ben)上由(you)缸(gang)(gang)筒和(he)缸(gang)(gang)蓋(gai)、活塞和(he)活塞桿(gan)、密封裝(zhuang)置(zhi)(zhi)(zhi)、緩(huan)沖裝(zhuang)置(zhi)(zhi)(zhi)與排(pai)氣裝(zhuang)置(zhi)(zhi)(zhi)組成(cheng)。緩(huan)沖裝(zhuang)置(zhi)(zhi)(zhi)與排(pai)氣裝(zhuang)置(zhi)(zhi)(zhi)視具體應(ying)用(yong)場合而定,其(qi)他裝(zhuang)置(zhi)(zhi)(zhi)則很(hen)重要。





液壓(ya)缸(gang)(gang)結構基本上可以(yi)分為缸(gang)(gang)筒和缸(gang)(gang)蓋、活(huo)塞和活(huo)塞桿、密(mi)封裝(zhuang)置、緩沖裝(zhuang)置和排氣裝(zhuang)置五個(ge)部分。今天威海力(li)建小(xiao)編著重帶(dai)著大家(jia)了解一下缸(gang)(gang)筒和缸(gang)(gang)蓋。
缸筒和(he)缸蓋(gai)
一般來說,缸(gang)筒(tong)和(he)缸(gang)蓋的(de)(de)結構形式(shi)和(he)其(qi)使(shi)(shi)用(yong)(yong)的(de)(de)材(cai)料(liao)有關(guan)。工作壓力p<10MPa時(shi)(shi)(shi)(shi),使(shi)(shi)用(yong)(yong)鑄鐵(tie);p<20MPa時(shi)(shi)(shi)(shi),使(shi)(shi)用(yong)(yong)無縫鋼(gang)管;p>20MPa時(shi)(shi)(shi)(shi),使(shi)(shi)用(yong)(yong)鑄鋼(gang)或(huo)鍛鋼(gang)。法蘭連接(jie)(jie)式(shi),結構簡(jian)(jian)單(dan),容(rong)易(yi)(yi)加(jia)工,也容(rong)易(yi)(yi)裝拆(chai),但外形尺(chi)(chi)寸(cun)(cun)和(he)重量(liang)都較(jiao)(jiao)大(da),常用(yong)(yong)于(yu)鑄鐵(tie)制(zhi)的(de)(de)缸(gang)筒(tong)上(shang)。半(ban)環連接(jie)(jie)式(shi),它(ta)(ta)的(de)(de)缸(gang)筒(tong)壁部(bu)因開了(le)(le)環形槽(cao)而(er)削弱了(le)(le)強度,為此有時(shi)(shi)(shi)(shi)要(yao)加(jia)厚缸(gang)壁,它(ta)(ta)容(rong)易(yi)(yi)加(jia)工和(he)裝拆(chai),重量(liang)較(jiao)(jiao)輕(qing),常用(yong)(yong)于(yu)無縫鋼(gang)管或(huo)鍛鋼(gang)制(zhi)的(de)(de)缸(gang)筒(tong)上(shang)。螺(luo)紋連接(jie)(jie)式(shi),它(ta)(ta)的(de)(de)缸(gang)筒(tong)端部(bu)結構復雜,外徑加(jia)工時(shi)(shi)(shi)(shi)要(yao)求保證內(nei)外徑同心,裝拆(chai)要(yao)使(shi)(shi)用(yong)(yong)工具,它(ta)(ta)的(de)(de)外形尺(chi)(chi)寸(cun)(cun)和(he)重量(liang)都較(jiao)(jiao)小(xiao),常用(yong)(yong)于(yu)無縫鋼(gang)管或(huo)鑄鋼(gang)制(zhi)的(de)(de)缸(gang)筒(tong)上(shang)。拉(la)桿(gan)連接(jie)(jie)式(shi),結構的(de)(de)通用(yong)(yong)性大(da),容(rong)易(yi)(yi)加(jia)工和(he)裝拆(chai),但外形尺(chi)(chi)寸(cun)(cun)較(jiao)(jiao)大(da),且(qie)較(jiao)(jiao)重。焊(han)接(jie)(jie)連接(jie)(jie)式(shi),結構簡(jian)(jian)單(dan),尺(chi)(chi)寸(cun)(cun)小(xiao),但缸(gang)底處內(nei)徑不易(yi)(yi)加(jia)工,且(qie)可(ke)能引起變(bian)形。
零部(bu)件加(jia)(jia)工(gong)(gong)(gong)精(jing)度(du)的(de)影(ying)響問題,在液(ye)壓缸的(de)制(zhi)造過程中應(ying)嚴格控制(zhi)缸體內(nei)(nei)壁(bi)(bi)和活塞桿(gan)表面加(jia)(jia)工(gong)(gong)(gong)精(jing)度(du),特(te)別是(shi)幾(ji)何(he)精(jing)度(du),尤其直(zhi)線(xian)度(du)是(shi)關鍵(jian),在國內(nei)(nei)加(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)中,活塞桿(gan)表面的(de)加(jia)(jia)工(gong)(gong)(gong)基本上(shang)是(shi)車后(hou)磨削(xue),保證直(zhi)線(xian)度(du)問題不大,但對于缸體內(nei)(nei)壁(bi)(bi)的(de)加(jia)(jia)工(gong)(gong)(gong),其加(jia)(jia)工(gong)(gong)(gong)方法很多(duo),有鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩(heng)磨、直(zhi)接(jie)珩(heng)磨等,但由于國內(nei)(nei)材料的(de)基礎水(shui)平較國外有差距(ju),管材坯料直(zhi)線(xian)度(du)差,壁(bi)(bi)厚不均勻(yun)、硬度(du)不均勻(yun)等因素(su),往往直(zhi)接(jie)影(ying)響缸體內(nei)(nei)壁(bi)(bi)加(jia)(jia)工(gong)(gong)(gong)后(hou)的(de)直(zhi)線(xian)度(du),因此建議采用鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩(heng)磨工(gong)(gong)(gong)藝(yi),如直(zhi)接(jie)珩(heng)磨,則必須首先提高(gao)管材坯料的(de)直(zhi)線(xian)度(du)。
上述(shu)圖片僅供參(can)考,詳(xiang)細產(chan)品詳(xiang)情請(qing)咨詢(xun)我(wo)們(men),更多型號請(qing)訪問我(wo)們(men)的網站(zhan)或致電我(wo)們(men)了解"。謝謝
在允許的情(qing)況(kuang)下(xia),液壓(ya)缸(gang)的缸(gang)體壁厚(hou)安全系數盡量(liang)選(xuan)大一些,使缸(gang)體厚(hou)壁增加,特別是高(gao)壓(ya)工(gong)況(kuang)下(xia)使用(yong)的油(you)缸(gang),以減小油(you)壓(ya)下(xia)的缸(gang)體變形,變形后的缸(gang)體也會引起液壓(ya)缸(gang)低(di)速爬(pa)行。