為了提高塔式起重機力矩限製器的使用安全性,可以有針對性的采取下列具體措施來避免塔式起重機力矩限製器的失效。
1、動行程開關的改進
動行程開關主要功能是用於控製其行程、進jin行xing終zhong端duan限xian位wei保bao護hu。動dong行xing程cheng開kai關guan改gai造zao成cheng靈ling敏min度du和he準zhun確que度du很hen高gao的de組zu合he開kai關guan,即ji組zu合he預yu警jing開kai關guan和he組zu合he切qie斷duan開kai關guan。其qi結jie構gou分fen為wei帶dai滾gun子zi的de單dan臂bi操cao作zuo式shi,可自動複位;帶滾子的叉形臂操作,具有2個轉換位置;蝸杆蝸輪傳動凸輪操作,用三叉形臂操作3個轉換位置;帶有滾輪的雙臂操作2gezhuanhuanweizhideng。gaijindedongxingchengkaiguanzengjialelijuxianzhiqidekongzhidixian,yejiushishuodangchuxianfeizhengchangqingkuangshi。lijuxianzhiqidekongzhiyuanjianbixianchudongkongzhidixian。lijifachujingbao,tongshiduankaiqishengdianyuan,zhiyunxuxiajiang。
2.運輸、拆裝的防護
力矩限製器的運輸、拆裝過程也如諸多專用設備一樣要求做到定人、定機、定職責,即使人員較少時也要保持人員相對固定。在拆卸前做上標記,輕拆輕放,妥當保護,不要相互壓擠、碰撞以免造成損壞。在設備拆遷時,起重機操作人員或專職電工一定要妥善處理好裝置的顯示儀表、聯接線纜、qulizhuangzhibujianjichuanganqideng。zuihaoanzhuangyinganyuanlaidecixuheweizhifuyuan,ranhoujinxingtiaoshihebiaoding。tashiqizhongjiyibandouyouhaoduozhonggongkuangquxian,liruyouzhubigongkuanghefubigongkuang,erfubigongkuangxiayouyousanzhongbichang,youshisanzhonggongkuang,zhiyaoqizhongbichangdu、倍率、dagouzhongliangdengyouyigecanshufashengbianhua,namelijuxianzhiqijiuyaotiaoyongyuzhixiangshiyingdequxian。yinciyouyulijuxianzhiqidequlibujianyinchangqishiyonghouhuizaochengmosunhuoshouqitaziranhuanjingdeyingxiang,shixianshizhongliangwuchapianda,suoyimeigeyiduanshijian(周期一般為3~6個月)應(ying)對(dui)係(xi)統(tong)的(de)精(jing)度(du)進(jin)行(xing)定(ding)期(qi)檢(jian)查(zha),對(dui)偏(pian)差(cha)超(chao)出(chu)國(guo)標(biao)範(fan)圍(wei)的(de)要(yao)對(dui)重(zhong)量(liang)重(zhong)新(xin)調(tiao)整(zheng)和(he)標(biao)定(ding),並(bing)將(jiang)有(you)關(guan)資(zi)料(liao)建(jian)檔(dang)存(cun)查(zha),這(zhe)對(dui)以(yi)後(hou)的(de)合(he)理(li)使(shi)用(yong)和(he)維(wei)修(xiu)尤(you)為(wei)重(zhong)要(yao)。
3.電線進行固定,給電線加多層保護套
力(li)矩(ju)限(xian)製(zhi)器(qi)限(xian)位(wei)開(kai)關(guan)防(fang)水(shui)性(xing)能(neng)差(cha),經(jing)常(chang)誤(wu)動(dong)作(zuo),塔(ta)機(ji)司(si)機(ji)怕(pa)更(geng)換(huan)麻(ma)煩(fan),擅(shan)自(zi)拆(chai)除(chu)其(qi)電(dian)氣(qi)線(xian)路(lu),力(li)矩(ju)限(xian)製(zhi)器(qi)失(shi)去(qu)了(le)安(an)全(quan)保(bao)護(hu)功(gong)能(neng)。可(ke)將(jiang)電(dian)線(xian)進(jin)行(xing)固(gu)定(ding),給(gei)電(dian)線(xian)加(jia)多(duo)層(ceng)保(bao)護(hu)套(tao),能(neng)有(you)效(xiao)防(fang)止(zhi)力(li)矩(ju)限(xian)製(zhi)器(qi)失(shi)效(xiao),還(hai)可(ke)將(jiang)起(qi)重(zhong)力(li)矩(ju)限(xian)製(zhi)器(qi)密(mi)閉(bi)或(huo)上(shang)鎖(suo),以(yi)此(ci)來(lai)保(bao)護(hu)塔(ta)式(shi)起(qi)重(zhong)機(ji)力(li)矩(ju)限(xian)製(zhi)器(qi)。
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