Installation device and method for monitoring sensor in coal and rock stratum drilled hole
A technology for monitoring sensors and installation devices, which is applied in the directions of measurement, earthwork drilling, wellbore/well components, etc., and can solve problems such as transportation difficulties
Active Publication Date: 2020-11-03
CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD
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Problems solved by technology
[0004] The purpose of the present invention is to provide an installation device and method for monitoring sensors in boreholes of coal rock formations, so as to solve the problem that the existing monitoring sensors in boreholes are difficult to transport into the borehole
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[0022] Such as figure 1 and figure 2 The installation device for the monitoring sensor in the coal seam drilling hole shown, the installation device includes a housing 8, the middle part of the housing 8 is provided with a first cavity for installing the monitoring sensor 12, and the outer side of the housing 8 is provided There is a sliding mechanism, which includes several pulleys 4 installed on the outside of the housing 8 through elastic mechanisms.
[0023] By installing the sensor in the housing 8, the sensor can be protected from the situation that the sensor collides with the hole wall during the process of conveying the sensor into the borehole, resulting in damage to the sensor; by setting a sliding mechanism outside the housing 8, the conveying process The pulley 4 of the sliding mechanism is in contact with the borehole wall 13. Due to the effect of the damping spring 3 and the pulley 4, the friction in the process of conveying the sensor can be reduced while the...
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The invention discloses an installation device and method for a monitoring sensor in a coal and rock stratum drilled hole. The installation device comprises a shell, the middle part of the shell is provided with a first cavity for installing the monitoring sensor, the outer side of the shell is provided with a sliding mechanism, and the sliding mechanism comprises a plurality of pulleys which areinstalled at the outer side of the shell through elastic mechanisms. The installation method comprises the following steps of firstly, fixing a sealing bag filled with an expansion material in a second cavity in the shell, and then fixing the monitoring sensor in the first cavity in the middle of the shell to finish the assembly of the shell and the monitoring sensor; pushing the shell and the monitoring sensor which are assembled into a specified mounting position in the drilled hole, dragging a separation rope connected with a separation clamp on the sealing bag, opening the sealing bag, andenabling the expansion material in the sealing bag to enter a second sealing cavity to be in contact with air and then quickly expand and harden towards the interior of the shell and in the directionof a permeation hole; and enabling the monitoring sensor, the monitoring device shell and the wall of the drilled hole to be completely coupled.
Description
technical field [0001] The invention relates to a device and a method for installing a monitoring sensor in a coal seam borehole. Background technique [0002] As mines gradually extend to deep mining, the frequency and types of coal-rock dynamic disasters are increasing. The traditional index-based disaster prediction technology has certain limitations. Multi-means and multi-channel online monitoring and early warning technologies and equipment have been put into production. In the daily disaster monitoring and prevention work of the mine, the safe production of the mine is guaranteed to a certain extent. In the process of using disaster monitoring and early warning technology and equipment, a large number of monitoring sensors in boreholes need to be installed, and the effective installation of monitoring sensors is the premise and basis for the implementation of this monitoring technology and the acquisition of real monitoring data. [0003] At present, the installation ...
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IPC IPC(8): E21B47/00E21B47/017E21B23/01
CPCE21B47/00E21B23/01
Inventor 胡杰吕贵春韩恩光张睿李建功张宪尚刘志伟冯康武章飞位乐孙臣张仰强冉永进张玉柱
Owner CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD