Device and method for mounting recyclable surrounding rock fracture monitoring acoustic emission sensor

A technology for acoustic emission sensors and installation devices, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems of sensor failure and low signal recognition, and achieve the effects of improving installation efficiency, optimizing application effects, and isolating noise

Active Publication Date: 2016-08-31
UNIV OF SCI & TECH BEIJING +1
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Problems solved by technology

Other underground or tunnel monitoring sensor installation patents such as 104407059A, 204086563U, 103558630A, etc. can only install one sensor inside the b...

Method used

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  • Device and method for mounting recyclable surrounding rock fracture monitoring acoustic emission sensor
  • Device and method for mounting recyclable surrounding rock fracture monitoring acoustic emission sensor
  • Device and method for mounting recyclable surrounding rock fracture monitoring acoustic emission sensor

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Embodiment Construction

[0026] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0027] The invention provides a recyclable surrounding rock rupture monitoring acoustic emission sensor installation device and method.

[0028] Such as figure 1 Shown is a schematic diagram of the overall structure of the embodiment of the present invention, figure 2 for figure 1 The enlarged schematic diagram of the middle part, image 3 , Figure 4 , Figure 5 Sectional drawing, combined with figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 , the protection tube is composed of the pipe head 2, the installation pipe 4 and the connecting pipe 3. After the protection tube is inserted into the borehole 15, resin drug rolls, cement slurry or other bonding materials can be used to form a bonded coupling body 1 so that the protection tube ...

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Abstract

Theinvention provides a device and a method for mounting a recyclable surrounding rock fracture monitoring acoustic emission sensor, and belongs to the technical field of safety monitoring of mines and tunnels. A fixing hoop of the device is arranged on a fixing table; the fixing table is arranged on the inner wall of a mounting tube; a fixing clamping bolt is arranged on the back part of a recycling box; a sensor is arranged in the recycling box; a sensor signal wire passes through the recycling box; the fixing clamping bolt and the fixing hoop are used for fixing the recycling box to the fixing table; a cable wire is connected to the outside of the recycling box. During use of the device and the method, a protection tube provided with the sensor is arranged in a drill hole; the protection tube is coupled with the drill hole through a bonding material; and after monitoring is finished, the sensor and the recycling box are taken out from the back end of the protection tube. By adopting the device, the problems of difficulty in recyclingand mounting and the like of the sensor can be solved effectively. The device has the advantages of high reliability, good monitoring signal quality, convenience and rapidness in mounting, recyclability of the sensor and the like, the operation difficulty is lowered, the economical cost is reduced, the mounting efficiency is increased, and field popularization and application are facilitated.

Description

technical field [0001] The invention relates to the technical field of mine and tunnel safety monitoring, in particular to a recoverable acoustic emission sensor installation device and method for surrounding rock rupture monitoring. Background technique [0002] Both underground roadway excavation and ore mining require excavation or blasting of deep rock mass, and the excavation and blasting of rock mass will strongly disturb the original rock, causing cracks in the rock mass around the roadway or drilling. In mine roadway construction, chamber and deep-buried tunnel excavation projects, deep roadways and tunnels are disturbed by excavation and blasting, or goafs are disturbed by vibration, etc., which may cause dynamic disasters such as rockbursts, which are extremely destructive. Seriously threaten the safety of underground or tunnel operators and equipment, and bring hidden dangers to the safe production of mines and tunnels. Acoustic emission monitoring technology and...

Claims

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Application Information

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IPC IPC(8): G01N29/22
CPCG01N29/223
Inventor 吴顺川陈钒黄小庆许学良严琼
Owner UNIV OF SCI & TECH BEIJING
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