Protection structure for coal mine gob floor monitoring lines and buried method thereof

一种煤矿采空区底板监测线的保护结构及其埋设方法

Abstract

The invention discloses a protection structure for coal mine gob floor monitoring lines and a buried method of coal mine gob floor monitoring lines. The protection structure comprises groove rocks (7) excavated in the surfaces of floor rocks (8), pvc pipe rocks (2) are laid inside the groove rocks (7), monitoring line rocks (1) are arranged inside the pvc pipe rocks (2), the pvc pipe rocks (2) are covered with sponge layer rocks (5), the exteriors of the sponge layer rocks (5) are filled with coal slag layer rocks (6), and the upper top faces of the coal slag layer rocks (6) are flush with upper openings of the groove rocks (7). The protection structure is ideal in protection effect; due to the fact that the lateral entrance mode is adopted on the whole monitoring lines, the monitoring lines are not likely to be scratched, overhauling needs to be opened step by step only during overhauling, and the installation and overhauling costs are greatly reduced.
本发明公开了一种煤矿采空区底板监测线的保护结构及其埋设方法,它包含开挖在底板岩石(8)表面上的沟槽石(7),所述的沟槽石(7)内铺设有pvc管石(2),监测线石(1)置于该pvc管石(2)内,所述pvc管石(2)的外面包裹有海绵层石(5),所述海绵层石(5)的外面填充有煤渣层石(6),该煤渣层石(6)的上顶面与沟槽石(7)的上口齐平。本发明保护效果理想,由于整个监测线都是采用侧入的方式,不仅不易划伤监测线,在检修时只需逐级打开检修即可,大大的降低了安装和检修成本。

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