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Slight shock sensor protecting device and installing method

A technology of a microseismic sensor and a protection device, applied in the field of rock engineering, can solve problems such as complex construction environment, and achieve the effects of quick installation and disassembly, and simple and easy operation of the protection device

Inactive Publication Date: 2014-08-06
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the construction environment of underground engineering is complex, and reinforcement measures such as sprayed concrete are often required

Method used

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  • Slight shock sensor protecting device and installing method

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with accompanying drawing:

[0017] A protection device for a microseismic sensor, which is composed of a paper cup 1, bolts 3, a microseismic sensor 5, a cable 6 and a protective sleeve 8; one end of the microseismic sensor 5 is a cable 6, and the other end is a fixing bolt 3; Through the bolt 3 and close to the end face of the microseismic sensor 5, use the corresponding nut to insert the bolt 3 from the inner bottom surface of the paper cup and tighten it to fix the paper cup 1 and the microseismic sensor 5, and the protective sleeve 8 completely covers the paper cup 1 and the microseismic sensor 5 , between the protective casing 8 and the microseismic sensor 5, the soundproof cotton is filled.

[0018] The specific installation and removal methods of the microseismic sensor protection device are as follows:

[0019] Step 1, select a suitable anchor rod 7 in the design and installation area of ​​th...

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Abstract

The invention discloses a slight shock sensor protecting device and an installing method and belongs to the field of rock engineering. One end of a slight shock sensor (5) is provided with a cable, and the other end of the slight shock sensor (5) is provided with a fixing bolt (3). The outer bottom face of a paper cup (1) penetrates through the bolt (3) and is attached to the end face of the slight shock sensor (5). A nut is arranged outside the bolt (3) in a sleeved mode from the inner bottom face of the paper cup and is screwed down so that the paper cup (1) and the slight shock sensor (5) can be fixed. A proper anchor rod (7) on the rock wall is selected, the paper cup filled with anchoring agents (2) is closely attached to the anchor rod (7) and fixed to the surface of a rock (9), and the sensor (5) is fixed on the anchor rod through a fixing tying belt (4). A protecting casing pipe (8) is completely arranged outside the paper cup (1) and the slight shock sensor (5) in a sleeved mode. The portion between the protecting casing pipe (8) and the slight shock sensor (5) is filled with soundproof cotton. The protecting device has the advantages of being easy to implement and low in cost, and a user can finish assembling and constructing of the protecting device without being trained specially.

Description

technical field [0001] The invention relates to the field of rock engineering, in particular to a sensor installation method and protection measures for a microseismic monitoring system used in rock engineering. Background technique [0002] In rock engineering, dynamic disasters such as slope landslides, rock bursts, water inrush, and coal mine gas are often encountered, seriously affecting the safety of construction personnel and equipment, and greatly hindering the construction progress. Therefore, it is very necessary to take real-time dynamic disaster early warning measures. Microseismic monitoring technology has been widely used as a new rock fracture monitoring tool. At present, microseismic monitoring technology has been implemented in major projects such as hydropower station slopes, tunnels, and coal mines. Dynamic disasters such as rockbursts, water inrush, and gas have been significantly detected contain. [0003] For rock slope stability monitoring, microseism...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/20
Inventor 马天辉唐春安唐烈先杨菊英李连崇
Owner DALIAN UNIV OF TECH
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