塔吊的液壓該如何控制?我(wo)們一起來(lai)看(kan)看(kan)
隨(sui)著建(jian)(jian)筑(zhu)塔(ta)吊(diao)(diao)出(chu)租行業的(de)(de)不斷(duan)發展,現(xian)(xian)在很多的(de)(de)建(jian)(jian)筑(zhu)塔(ta)吊(diao)(diao)設備的(de)(de)使用技術也(ye)隨(sui)之增(zeng)加(jia),塔(ta)吊(diao)(diao)液(ye)壓頂(ding)升系統通過(guo)頂(ding)升和下(xia)降(jiang)塔(ta)吊(diao)(diao)套架來實現(xian)(xian)增(zeng)加(jia)或(huo)減少標準節,使塔(ta)吊(diao)(diao)能隨(sui)著建(jian)(jian)筑(zhu)物(wu)高(gao)度變化而升高(gao)或(huo)降(jiang)低(di),從而滿足不同高(gao)度建(jian)(jian)筑(zhu)物(wu)的(de)(de)垂直運輸需要。
該系(xi)統(tong)(tong)主要由液壓(ya)泵站、液壓(ya)頂(ding)升油缸、鎖閥及(ji)高(gao)壓(ya)軟管組成;在塔吊頂(ding)升作業時,系(xi)統(tong)(tong)需要承(cheng)載塔吊上(shang)部結構三(san)十多噸的重(zhong)(zhong)量,系(xi)統(tong)(tong)工作壓(ya)力達到18Mpa以(yi)上(shang),屬(shu)于高(gao)壓(ya)液壓(ya)系(xi)統(tong)(tong)。該系(xi)統(tong)(tong)具有體積小(xiao)、重(zhong)(zhong)量輕(qing)、比功(gong)率大、運行(xing)平穩等(deng)優點,但(dan)同(tong)時又存在傳動效率低、易產生故障等(deng)缺陷。
由于塔吊的液壓(ya)(ya)頂升系(xi)統(tong)屬于密封(feng)帶壓(ya)(ya)的管路循環系(xi)統(tong),管路中油液的流動情況,液壓(ya)(ya)元件內(nei)部的零件動作(zuo)和密封(feng)是否損壞都(dou)不易察覺到,因(yin)此分(fen)析故(gu)障的原因(yin)和判斷故(gu)障的部位都(dou)比較困難。有眾多塔吊事故(gu)中,半(ban)數是因(yin)為(wei)系(xi)統(tong)出現(xian)故(gu)障后(hou)處(chu)置不當而引發(fa)的,為(wei)避免重大設備事故(gu)發(fa)生,如何(he)預(yu)防液壓(ya)(ya)頂升系(xi)統(tong)故(gu)障就成了一(yi)個急待解(jie)決(jue)的的問題。