http://www.esafety.cn/blog/wll/66030/index.html

[建工]长螺旋杆钻孔机安全操作规程

作者[孙锡云] 发表于[2012-11-2 15:15:00]

长螺旋杆钻孔机安全操作规程

 

1.作业场地距电源变压器或供电主干线距离应在200m以内,启动时电压不得超过额定电压的10%

2.电动机和控制箱应有良好的接地装置。

3.安装前,应检查并确认钻杆及各部位无变行;安装后,钻杆与动力头的中心线允许偏斜为全长的1%

4.安装钻杆时,应从动力头开始,逐节往下安装。不得将所需钻杆长度在地面上全部接好后一次起吊安装。

5.动力头安装前,应先拆下滑轮组,将钢丝绳穿绕好。钢丝绳的选用,应按说明书规定的要求配备。

6.安装后,电源的频率与控制箱内频率转换开关上的指针应相同,不同时,应采用频率转换开关以转换。

7.钻机应放平坚实,启动前应检查并确认钻机各部件连接牢固,转动带的松紧适当,减速箱内油位符合规定,钻深低位报警装置有效。

8.启动前,应将操纵杆放在空挡位置,启动后,应作空运转试验,检查仪表、温度、音响、制动等各项工作正常,方可作业。

9.施钻时,应先将钻杆缓慢放下,使钻头对住孔位,当电流表指针偏向无负荷状态时即可下钻。在钻孔过程中,当电流表超过电流限制时,应放慢下钻速度。

10.钻机发出下位低位报警信号时,应停钻,并将钻杆稍稍提升,待解除报警信号后,方可继续下钻。

11.作业中,当需改变钻机回转方向时,应待钻杆完全停钻后再进行。

12.钻孔时,当机架出现摇晃、移动、偏斜或发生有节奏的响动时,应立即停钻,经处理后,方可继续下钻。

13.作业停钻时,应将各控制器放置零位,切断电源,并及时将钻杆全部从孔内拔出,使钻头接触地面。

14.钻机施钻时,应防止电缆被缠入钻杆中,必须有专人看护。

15.钻孔时,严禁用手清理螺旋片中的泥土。发现紧固螺栓松动时,应立即停机,在紧固后方可继续作业。

16.作业后,应将钻杆及钻头全部提升至孔外,先清除钻杆和螺旋叶片上的泥浆,再将钻头按下接触地面,各部位制动住,操纵杆放到空挡位置,切断电源。

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作者[原创(游客)] 发表于[2016-9-30 14:34:38]
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作者[原创(游客)] 发表于[2016-9-28 19:54:13]
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原创

作者[原创(游客)] 发表于[2016-9-6 20:17:00]
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