【南京高立机械】磨刀不误砍柴工—施工升降机维护保养之定期检查篇

2025-04-08 08:09:39
推荐回答(1个)
回答1:

一、每天检查
a. 检查上下限位开关,极限限位开关及限位碰块,确保可靠有效。
b. 逐一进行下列试验,每次试验吊笼均不能启动。
①.打开护栏门。
②.打开吊笼单、双开门。
③.打开吊笼翻板门。
④.触动松绳保护开关。
⑤.触动防冒顶限位开关。
⑥.按下急停按钮。
⑦.关闭电锁。
c. 检查吊笼及对重体通道应无障碍。
d. 检查驱动齿轮齿条啮合,保证齿侧间隙在0.2~0.5mm之间,齿顶间隙不大于2mm。
e. 检查安全器齿轮齿条啮合,保证齿侧间隙在0.4~0.7mm之间。
f. 检查超载保护装置,确保其工作正常。
周检
a. 检查驱动板联接螺栓,应无松动。
b. 检查各润滑部位,应润滑良好,减速器油液不足时,应予以补充。
c. 检查导轨架、附墙系统、电缆滑车及齿条紧固螺栓应牢固。
d. 检查电缆臂及电缆保护架应无螺栓松动或位置移动。
e. 检查对重体导轮应转动灵活。
f. 检查减速器有无异常发热及噪音。(蜗轮蜗杆减速器温升不得超过60K)
g. 检查电器元件接头,应牢固可靠。
月检
a. 检查驱动齿轮磨损情况,用法线千分尺测量,跨二齿侧公法线,新齿37.1mm,允许磨损到35.3mm。
b. 检查齿条齿厚,用齿厚游标卡尺测量,新齿齿厚为12.566mm,允许磨损到10.6mm。用齿条规检测齿条的磨损情况,如果齿条规的两个卡脚均接触齿牙底部时,则应更换齿条。
c. 检查电机制动力矩,用杠杆和弹簧秤检查力矩为120N·M±2.5% (8.5KW、11KW电机)或170N·M±2.5% (15KW、16.5KW电机)。
d. 检查电机制动器是否工作正常,同一吊笼内刹车是否同步, 并及时更换制动盘和清理制动器。
e. 检查随行电缆,如有破损或老化应立即进行修理和更换。
季检
a. 检查滚轮和导轮的轴承,根据情况进行调整或更换。
b. 检查滚轮磨损情况,并通过调整滚轮, 使滚轮与立柱管间间隙为0.5mm。(松开螺母转动偏心轴, 调准后再紧固。)
c. 测量升降机结构、电机和电气设备金属外壳接地电阻不超过4欧,电气及电气元件的对地绝缘电阻不小于0.5兆欧,电气线路的对地绝缘电阻不小于1兆欧。
d. 进行坠落试验, 安全器应工作可靠。
e. 检查对重钢丝绳有无断股变形等情况,绳端连接是否牢固。如果对重钢丝绳200mm的长度范围内断股超过6根,应予以更换。
f. 检查天轮,应转动灵活、无异常声音,连接部位牢固。天轮磨损严重时,应予以更换。
年检
a. 检查减速器蜗轮磨损情况
b. 检查减速器和电机间联轴器弹性块是否老化、破损。
c. 全面检
查零部件进行保养更换。
d. 每年以及设备转场使用前必须对升降机结构件及焊缝进行一次彻底检查。

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