設置回轉力矩限製器防止塔機司機誤操作

某建築工地一台QTZ40型塔機，為趕進度實行三班倒，晚上11點45分，由於現場沒有足夠照度的照明
，且馬上要交接班了。司索
、指揮人員過於疲勞，精神都沒有集中
，在起吊一捆6mchangdegangjinshi，qishenggaoduweichaoguojianzhuwuzhugangjinlongzijiukaishinishizhendahuizhuan。youyuzhongwuchang，weizhezhugangjinlongzidaleliangquan，zhihuirenyuanfaxianwentihou
，zhizuochuleshangshengdeshoushi。sijikaidongtaji
，diaogouyibianshangsheng
，yibianjixunishizhenhuizhuan
，cishisijihezhihuirenyuandouweifaxianqishenggangsishengyijingjuanrulezhugangjinhanjiejiedian，qiegangsishengyilajin，genbenwufazixingtuokai。ersijiyiweiqisheng、huizhuannenggoubaituogangsishengdechanrao，jixujiadadangwei。youyugangjindezhijingyuanyuandayuqishenggangsishengdezhijing，dengzhihuirenyuanfaxianshi，qizhongbiyilawan
，pinghengbiyizhuandong60°左右(見圖)，此時前後對塔頂的拉力相差太大，塔頂慢慢向平衡臂方向傾翻，幸虧左邊的房子修得比較快，平衡臂擱放在了屋頂上才未造成倒塔。

分析此次事故，司機存在著：①疲勞駕駛；②視線不清就起吊重物；③與指揮人員配合不默契；④誤wu動dong作zuo等deng問wen題ti。同tong時shi也ye發fa王wang見jian現xian有you塔ta機ji標biao準zhun和he規gui範fan對dui回hui轉zhuan隻zhi做zuo了le限xian位wei考kao慮lv

，作zuo為wei塔ta機ji設she計ji人ren員yuan
，個ge人ren認ren為wei，塔ta機ji是shi特te種zhong設she備bei，應ying從cong各ge方fang麵mian考kao慮lv其qi安an全quan性xing，能neng否fou設she置zhi回hui轉zhuan力li矩ju限xian製zhi器qi來lai防fang止zhi用yong戶hu誤wu操cao作zuo
，減jian少shao各ge方fang麵mian原yuan因yin而er產chan生sheng的de安an全quan事shi故gu
？