隨著建築業的發展,建築施工的機械化程度逐年提高,塔式起重機(簡稱塔機)作為一種能夠實現垂直和水平運輸物料的機械,特別是因其起升高度高、起升重量大、工(gong)作(zuo)幅(fu)度(du)大(da)等(deng)特(te)點(dian),在(zai)建(jian)築(zhu)業(ye)得(de)到(dao)了(le)廣(guang)泛(fan)的(de)應(ying)用(yong)。但(dan)是(shi),由(you)於(yu)塔(ta)機(ji)結(jie)構(gou)較(jiao)龐(pang)大(da),並(bing)伴(ban)有(you)高(gao)空(kong)作(zuo)業(ye),所(suo)以(yi)容(rong)易(yi)發(fa)生(sheng)塔(ta)機(ji)傾(qing)翻(fan)事(shi)故(gu)。這(zhe)些(xie)事(shi)故(gu)不(bu)僅(jin)影(ying)響(xiang)了(le)建(jian)築(zhu)施(shi)工(gong)的(de)進(jin)度(du),而(er)且(qie)給(gei)國(guo)家(jia)和(he)人(ren)民(min)的(de)帶(dai)來(lai)了(le)巨(ju)大(da)的(de)生(sheng)命(ming)和(he)財(cai)產(chan)損(sun)失(shi)。
目前塔式起重機安裝有安全限位裝置,主要包括起重量限位器、起重力矩限位器、幅度限位器、起升高度限位器、huizhuanxianzhiqi。anquanzhuangzhidezuoyongzaiyutajizaishiyongguochengzhongyidanchaoguoshedingdeshuzhizidongqieduandianyuan,fangzhitajishigudefasheng。daozhitajiqingfangengzhongyaodeshiduitajiyinhuandejianzhabudaowei,suirantajishanganzhuangyouanquanxianweizhuangzhi,danjianzhabudaomouxieyinhuandecunzai,zaidiaozhuanghuotedingqingkuangxiashideweixianyinsujiaju,zuizhongdaozhitashenqingjiaoguodayinqitajiqingfan。suoyi,ruheyouxiaodijiancetashenzaishiyongzhiqianjishiyongguochengzhongqingjiaodedaxiao,dangqingjiaodayumouyilinjiezhuangtaishijishibaojingkeyiyouxiaodeyufangtajiqingfanshigudefasheng。
在zai塔ta式shi起qi重zhong機ji防fang傾qing翻fan監jian控kong儀yi中zhong,其qi中zhong主zhu要yao的de一yi部bu分fen是shi傾qing角jiao測ce量liang裝zhuang置zhi。傾qing角jiao測ce量liang裝zhuang置zhi的de作zuo用yong在zai於yu實shi時shi測ce量liang塔ta身shen傾qing斜xie的de角jiao度du。由you於yu塔ta身shen頂ding端duan的de傾qing角jiao變bian化hua很hen小xiao,傾qing角jiao測ce量liang裝zhuang置zhi采cai樣yang頻pin率lv要yao在zai0.5-10Hz範圍內,測量精度高於0.05度。同時要過濾掉塔頂震動引起的噪聲、保證通信可靠、判斷準確。
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