KJ21矿山压力监测系统技术手册天地科技股份有限公司2010年6月目录1系统简介.............................................................................................................32准备工作.............................................................................................................52.1钻孔应力计安装前准备工作...................................................................52.2锚杆(索)测力计安装前准备工作.......................................................52.3支架压力记录仪安装前准备工作...........................................................53安装方法.............................................................................................................63.1钻孔应力计安装方法...............................................................................63.2锚杆(索)测力计安装方法...................................................................63.3传感器与分站接线方法...........................................................................63.4支架压力记录仪安装方法.......................................................................74质量标准..............................................................................................................85软件介绍.............................................................................................................95.1安装条件...................................................................................................95.2参数设置...................................................................................................95.3实时显示...................................................................................................95.4初撑力分析..............................................................................................105.5推进度分析.............................................................................................115.6周期来压分析.........................................................................................126故障检测..................................................................................................................136.1系统全部数据无法上传................................................................................136.2系统部分数据无法上传...........................................................................................137系统维护..................................................................................................................151系统简介KJ21矿山压力监测系统主要用于实时、在线监测液压支架工作阻力、超前支承压力,煤柱应力,锚杆(索)载荷和巷道表面变形量。长期进行矿压监测,还可以进一步揭示矿压显现规律,预测、预报顶板事故和顶板灾害及冲击地压。系统结构如图1所示。图1矿山压力监测系统结构图系统技术指标:(1)防爆标志:ExibI(2)量程支架压力记录仪:0~60MPa钻孔应力计:0~30MPa锚杆(索)载荷测力计:0~280kN围岩移动传感器:0~400mm立柱伸缩量记录仪:0~200mm(3)分辨率支架压力记录仪:0.01MPa钻孔应力计:0.1MPa锚杆(索)载荷测力计:0.1kN围岩移动传感器:1mm立柱伸缩量记录仪:1mm(4)数据传输速率:2400bps(5)数据传输介质:电话线、矿用通讯电缆或光缆(6)软件操作平台:WindowsXP/Vista系统(7)数据传输介质:电话线、矿用通讯电缆、光缆(8)能够直接生成矿压报表,可与局域网及Internet相联2准备工作2.1钻孔应力计安装前准备工作(1)确定钻孔应力计安装位置及安装深度;(2)采用直径为48~50mm的钻头垂直于煤壁钻孔,孔口与巷道底板距...