塔吊的液壓該(gai)如何控制(zhi)?我們一(yi)起(qi)來看(kan)(kan)看(kan)(kan)
隨(sui)(sui)著(zhu)建筑(zhu)塔吊出租行業的不(bu)斷發展(zhan),現在很多的建筑(zhu)塔吊設備的使(shi)用技術(shu)也(ye)隨(sui)(sui)之增加,塔吊液壓頂(ding)升(sheng)系(xi)統通過頂(ding)升(sheng)和下降(jiang)塔吊套(tao)架來(lai)實現增加或減少標準節,使(shi)塔吊能隨(sui)(sui)著(zhu)建筑(zhu)物高度(du)(du)變化而升(sheng)高或降(jiang)低(di),從而滿足不(bu)同高度(du)(du)建筑(zhu)物的垂(chui)直運輸需(xu)要。
該系(xi)(xi)統(tong)主要(yao)由液(ye)(ye)壓(ya)(ya)(ya)泵(beng)站、液(ye)(ye)壓(ya)(ya)(ya)頂(ding)升(sheng)油缸、鎖閥(fa)及高(gao)壓(ya)(ya)(ya)軟管組成;在塔吊頂(ding)升(sheng)作(zuo)業時,系(xi)(xi)統(tong)需要(yao)承載塔吊上(shang)(shang)部結(jie)構(gou)三十多噸的(de)重量,系(xi)(xi)統(tong)工作(zuo)壓(ya)(ya)(ya)力達到18Mpa以上(shang)(shang),屬(shu)于高(gao)壓(ya)(ya)(ya)液(ye)(ye)壓(ya)(ya)(ya)系(xi)(xi)統(tong)。該系(xi)(xi)統(tong)具(ju)有(you)體積小、重量輕、比功(gong)率大、運行平穩等優(you)點,但同時又存(cun)在傳動效率低、易產生故障等缺陷。
由于塔吊的(de)(de)液(ye)(ye)(ye)壓(ya)(ya)頂(ding)升系(xi)(xi)統(tong)(tong)屬于密(mi)封帶壓(ya)(ya)的(de)(de)管(guan)路循環系(xi)(xi)統(tong)(tong),管(guan)路中油液(ye)(ye)(ye)的(de)(de)流動情況,液(ye)(ye)(ye)壓(ya)(ya)元件內部的(de)(de)零(ling)件動作和(he)密(mi)封是否損壞(huai)都不易察覺(jue)到,因此(ci)分析故(gu)(gu)(gu)(gu)障的(de)(de)原因和(he)判(pan)斷故(gu)(gu)(gu)(gu)障的(de)(de)部位都比較困(kun)難(nan)。有眾多塔吊事故(gu)(gu)(gu)(gu)中,半數是因為(wei)(wei)系(xi)(xi)統(tong)(tong)出現故(gu)(gu)(gu)(gu)障后(hou)處置(zhi)不當而(er)引發的(de)(de),為(wei)(wei)避(bi)免重大設備事故(gu)(gu)(gu)(gu)發生(sheng),如何預(yu)防液(ye)(ye)(ye)壓(ya)(ya)頂(ding)升系(xi)(xi)統(tong)(tong)故(gu)(gu)(gu)(gu)障就成(cheng)了(le)一個急待解決的(de)(de)的(de)(de)問題。