2) Roof Abscission Layer and Monitor
顶板离层与监测
4) roof bed separation
顶板离层
1.
The successful application of roof bed separation system realized synchronization monitor and can carry out effective ore pressure analysis.
顶板离层系统成功应用,实现巷道顶板离层的同步监测,可以进行有效的矿压分析,起到了验证和修改初始设计的作用,在发现顶板离层值超限后,可以及时对巷道采取补强措施,确保了巷道支护的安全,便于矿井对生产一线的信息掌握。
2.
Based on the measuring methods of roof bed separation and combined with the spot practice, the beeline displacement sensor made up of Hall components are provided, which realize the untouched measuring of roof bed separation.
根据顶板离层的测量原理,结合现场实际,提出了以霍尔元件为基础的直线位移传感器,实现顶板 离层量的非接触测量,采用以单片机为核心的微电子技术实现监测信号的处理、显示、报警及传输功能,同 时实现在地面生产指挥中心对矿井巷道顶板离层状态的实时、远程监控。
3.
Most of the monitoring systems for roof bed separation are designed based on RS-485 BUS,which is low in both signal transmission efficiency and reliability.
国内顶板离层计算机测控系统多采用RS-485总线,传输效率低,可靠性不高。
5) roof bedding separation
顶板离层
1.
Analysis on roof bedding separation critical value of coal mining gallery supported with bolts(cables);
锚网(索)支护煤巷顶板离层临界值分析
2.
As for the coal mining roadway with bolt support,it's the most dangerous that the roof usually falls because roof bedding separation value is too large.
对于锚网支护的煤巷来说,顶板离层是潜在的安全威胁。
6) roof abscission layer
顶板离层
1.
The roof abscission layer is the biggest security hidden danger in bolting support tunnel.
顶板离层是锚杆支护巷道最大的安全隐患之一。
2.
The broad based concept of roof abscission layer is put forward, the mostly forms and influence factors of roof abscission layer in bolting support subway are analyzed, the monitoring approaches of roof abscission layer and their practices are introduced.
提出了广义顶板离层的概念 ,对锚杆支护巷道顶板离层的主要形式和影响因素进行了分析 ,并介绍了顶板离层的监测方法及其应
3.
In order to realize the real-time dynamic monitoring the roof abscission layer of coal mine gallery, the KJ132 roof abscission layer monitoring system based on CAN is researched and developed.
为了实现井下巷道顶板离层的实时动态监测,自主研发了基于CAN总线的KJ132顶板离层监测系统。
补充资料：离层
离层
lamination
1 ieeng离层(l amination)无缝钢管内壁出现分离的薄片状表面缺陷。离层的根部与基体连接，翘起处如飞翅(见图)，通过灯光可以看到钢管内壁不光滑。钢材O 离层不允许有离层存在，高合金钢管需经内孔磨修或搪孔。离层产生的原因有:(1)钢坯内部有缩孔、硫松、非金属夹杂、气孔、内裂及局部熔化等缺陷，穿孔时缺陷经辗轧形成内壁离层;(2)钢锭化学成分偏析严重、轧件各部位塑性不均，也可能形成分层。防止和消除的办法有:(1)加强钢锭低倍检查，不合格钢坯不投产;(2)改善炼钢和轧钢工序操作，防止产生离层的各种缺陷。 (刘贤才)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条