
威海力建液壓設(she)備廠
經營模式:生產加工
地址:山東省威海市羊亭孫家灘工業園
主(zhu)營:液壓(ya)(ya)缸,油缸,液壓(ya)(ya)系統(tong)
業務熱線:
QQ:3049278720
活(huo)塞式液壓缸的工作原理
它(ta)只在(zai)活塞(sai)的(de)一側設有活塞(sai)桿,因而兩腔的(de)有效作用面積不(bu)(bu)同(tong)(tong)(tong)(tong)。在(zai)供油(you)量相同(tong)(tong)(tong)(tong)時,不(bu)(bu)同(tong)(tong)(tong)(tong)腔進油(you),活塞(sai)的(de)運動速度不(bu)(bu)同(tong)(tong)(tong)(tong);在(zai)需克(ke)服的(de)負載(zai)力相同(tong)(tong)(tong)(tong)時,不(bu)(bu)同(tong)(tong)(tong)(tong)腔進油(you),所需要的(de)供油(you)壓力不(bu)(bu)同(tong)(tong)(tong)(tong),或者說在(zai)系統壓力調定后,環衛垃圾車液壓缸(gang)兩個方向運動所能克(ke)服的(de)負載(zai)力不(bu)(bu)同(tong)(tong)(tong)(tong)。





③ 從管路進入(ru)的異物(wu),有多(duo)種情(qing)況。
a.清洗(xi)(xi)(xi)時(shi)不注意。管(guan)(guan)(guan)路安(an)(an)裝好以(yi)后(hou)進(jin)行清洗(xi)(xi)(xi)時(shi),不應通過缸(gang)體(ti)(ti),必須(xu)在缸(gang)體(ti)(ti)的(de)油口(kou)前邊加裝旁(pang)通管(guan)(guan)(guan)路。這一點很(hen)重要(yao)。否(fou)則,管(guan)(guan)(guan)路中的(de)異(yi)物將進(jin)入缸(gang)內,一旦進(jin)入,即難(nan)以(yi)向外排除,反而(er)變成向缸(gang)體(ti)(ti)內輸送異(yi)物了。再者,清洗(xi)(xi)(xi)時(shi)要(yao)考慮(lv)安(an)(an)裝管(guan)(guan)(guan)路操(cao)作中所進(jin)異(yi)物的(de)取(qu)出方法。此外,對管(guan)(guan)(guan)內的(de)腐蝕等在管(guan)(guan)(guan)路安(an)(an)裝之前即應進(jin)行酸洗(xi)(xi)(xi)等手續,必須(xu)完全去掉(diao)銹(xiu)蝕。
零部件加(jia)(jia)(jia)工(gong)(gong)精度(du)(du)的(de)影(ying)響(xiang)問題(ti),在液(ye)壓缸(gang)的(de)制造過程中(zhong)應嚴(yan)格控(kong)制缸(gang)體內壁和(he)活塞桿表面加(jia)(jia)(jia)工(gong)(gong)精度(du)(du),特別是幾何精度(du)(du),尤(you)其(qi)直(zhi)(zhi)(zhi)線(xian)度(du)(du)是關鍵,在國內加(jia)(jia)(jia)工(gong)(gong)工(gong)(gong)藝中(zhong),活塞桿表面的(de)加(jia)(jia)(jia)工(gong)(gong)基(ji)本上是車后磨(mo)(mo)削(xue),保證(zheng)直(zhi)(zhi)(zhi)線(xian)度(du)(du)問題(ti)不(bu)(bu)大,但(dan)對于缸(gang)體內壁的(de)加(jia)(jia)(jia)工(gong)(gong),其(qi)加(jia)(jia)(jia)工(gong)(gong)方法很多(duo),有鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩磨(mo)(mo)、直(zhi)(zhi)(zhi)接(jie)(jie)珩磨(mo)(mo)等,但(dan)由于國內材(cai)料的(de)基(ji)礎水平較國外有差(cha)距(ju),管(guan)(guan)材(cai)坯(pi)料直(zhi)(zhi)(zhi)線(xian)度(du)(du)差(cha),壁厚(hou)不(bu)(bu)均勻(yun)、硬度(du)(du)不(bu)(bu)均勻(yun)等因(yin)素,往往直(zhi)(zhi)(zhi)接(jie)(jie)影(ying)響(xiang)缸(gang)體內壁加(jia)(jia)(jia)工(gong)(gong)后的(de)直(zhi)(zhi)(zhi)線(xian)度(du)(du),因(yin)此建(jian)議采用鏜(tang)削(xue)-滾壓、鏜(tang)削(xue)-珩磨(mo)(mo)工(gong)(gong)藝,如(ru)直(zhi)(zhi)(zhi)接(jie)(jie)珩磨(mo)(mo),則必須首(shou)先提高管(guan)(guan)材(cai)坯(pi)料的(de)直(zhi)(zhi)(zhi)線(xian)度(du)(du)。
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在允許的(de)(de)(de)情況下,液(ye)壓缸(gang)(gang)的(de)(de)(de)缸(gang)(gang)體(ti)壁厚安全系數盡(jin)量選大一些(xie),使缸(gang)(gang)體(ti)厚壁增加,特(te)別是高壓工況下使用的(de)(de)(de)油(you)缸(gang)(gang),以減小油(you)壓下的(de)(de)(de)缸(gang)(gang)體(ti)變形(xing),變形(xing)后的(de)(de)(de)缸(gang)(gang)體(ti)也會引起(qi)液(ye)壓缸(gang)(gang)低速(su)爬行。