升降机安装有哪些安全要求

2025-04-03 01:11:58
推荐回答(1个)
回答1:

施工升降机安装有哪些安全要求?A.安装场地应清洁干净,并用标志杆围起来,禁止非工作人员入内;B.防止安装地点上方掉落物体,必要时应加安全网;C.安装过程中,必须有专人负责,统一指挥;D.升降机运行时,人员的头、手不能露出安全栏以外;E.如果有人在导轨架上或附墙架上工作时,绝对不允许开动升降机,当吊笼升起时严禁进入外笼内;F.吊笼上所有零部件要放置平稳,不得露出安全栏外;G.利用吊杆进行安装时,不允许超载,吊杆只可用来安装或拆卸升降机零部件,不得用于其它起重用途;H.吊杆上有悬挂物时,不得开动吊笼;I.安装作业人员按空中作业的安全要求,必须戴安全帽穿防滑,系安全带等,不要穿过于宽松的衣服,应穿工作服,以免被卷入运动部件中,发生安全事故;J.操纵升降机必须把操纵盒拿到吊笼顶部,不允许在吊笼内操作;K.吊笼启动前,应进行全面检查,消除所有不安全隐患;L.安装运行时,必须按升降机额定安装载重量装载,不允许超载运行;M.雷雨天、雪天或风速超过13米/秒的恶劣天气不能进行安装作业;N.升降机运行前,应首先将保护接地装置与升降机金属结构联通,阻值不大于4欧姆;注意:切勿忘记拧紧标准节及附墙架的螺栓。升降机的安装外笼与吊笼组装在一起的单、双笼升降机,在出厂时已调试好,可方便安装。对使用过的升降机,应首先按"定期检查"中的各项要求进行全面检查,若限速器或齿轮、齿条、滚轮等零部件即将磨损到极限尺寸时,最好提前更换;A.单笼升降机的安装:*将基础表面清扫干净;*用起重设备吊住吊笼上的吊点;*将升降机吊起就位;*将地脚螺栓安装好;*上传动升降机将吊笼就位、安装好地脚螺栓后,再安装一节标准节;*松开电动机上的制动器,方法是:首先拆下两个开口销,拆掉前在螺母开口处做个记号,便于复位,而后旋紧两个螺母,务必使两个螺母平行下旋直至制动器松开可随意拨动制动盘为止;*用起吊设备吊起传动小车;*从标准节上方使传动小车就位;*将传动小车与吊笼的连接耳板对好后,穿入销轴,并固定;*将制动器复位;*用水平仪或线坠测量导轨架的垂直度,保证导轨架的各个立管在相邻方向上的垂直度小1/1500;*在地脚螺栓处底盘和基础间垫入不同厚度的调整钢板,用以调整导轨架的垂直度;*当导轨架调整到垂直时,用350N*M的力矩压紧四个地脚螺栓;*用同样的方法调整外笼门框的垂直度,使外笼门框的垂直度在两个相近方向上不得大于1/1000;*安装好吊笼顶上的护身栏杆;*调整门锁;B.双笼升降机的安装:*用上述安装单笼的方法先安装好升降机的左半部分;*将外笼右半部分用螺栓连接起来;*调整外笼门框的垂直度并压紧地脚螺栓;*松开吊笼内电动机上的制动器(方法同前);*用起吊设备吊起外笼;*从标准节上方将吊笼就位;*将制动器复原;注意:将制动器上的螺栓旋至原位,并装上开口销。C.安装完毕的调整:*检查所有用于运输的垫木或螺栓等是否全部除掉;*齿轮与齿条的啮合间隙应保证在0.2--0.3MM;*导轮与齿条背面的间隙应为0.5MM;*各个滚轮与标准节立管的间隙为0.5MM;*所有门开关应灵活;*安装缓冲弹簧;D.吊杆的安装:注意:安装前应加入润滑脂。*将吊杆安入吊笼顶部的安装孔内,即可使用;E.导轨架的安装:*将标准节两端管子接头处及齿条销子处擦拭干净,并加少量润滑脂;*打开一扇护身栏,将吊杆上的吊钩放下,并钩住标准节吊具;*用标准节吊具钩住一节标准节,带锥套的一端朝下;*摇动手摇卷扬机,将标准节吊至吊笼顶部,并放稳;*关上护身栏,启动升降机,当吊笼升至接近导轨架顶部时,应点动行驶,直至吊笼顶部距导轨架顶部大约300MM左右时停止;*用吊杆吊起标准节,对准标准节下面立管和齿条上的锁孔放下吊钩,用螺栓紧固;*松开吊钩,将吊杆转回,用300N*M的拧紧力矩紧固全部螺栓;*按上述方法将标准节依次相连直至达到所需高度为止,随着导轨架的不断增高,应同时安装附墙杆,并检查导轨架安装垂直度。其垂直度偏差要符合说明书中的和国家规定的标准;*若利用现场的起重设备如塔吊安装导轨架,可先将4--7个标准节在地面上连成一组,再吊上轨道架;注意:如标准节上有对重滑道,应确保接缝处的错位差不大于0.8MM.F.三种型号的附着架安装:注意:附墙架最大水平倾角不大于8度。G.对重的安装:*对重最好在吊笼和外笼安装完毕后未加高标准节前吊装就位;*在基础的对重位置上,安装好缓冲弹簧;*用起重装置,将对重放入对重滑道内;*检查对重导向轮与滑道的间隙:0.5MM,确保每个轮转动灵活;H.天轮和钢丝绳的安装:*当导轨架安装到要求的高度后,带对重的升降机要将天轮安装好,并用钢丝绳悬挂好对重;*将天轮、绳轮钢丝绳及钢丝绳架吊到吊笼顶部,并备好绳卡、螺栓等;*将钢丝绳架固定在吊笼上;*将吊笼升至距导轨架顶端0.5米处,以吊杆将天轮安装到导轨架顶部,用M24螺栓固定;注意:应保证吊笼在达到最大的提升高度时对重离地面大于550MM.*安装绳轮;*将钢丝绳穿过绳轮和天轮放至地面的对重上。并用绳卡将钢丝绳固定于对重上;注意:从吊笼顶上下放钢丝绳时,要考虑钢丝绳的重量,

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