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In-tunnel micro-seismic monitoring sensor protection device and using method thereof

A technology of microseismic monitoring and protection device, applied in the field of rock engineering, can solve the problems that the continuous and effective microseismic data cannot be guaranteed, affect the normal operation of the microseismic monitoring system, damage equipment and property losses, etc., and achieve convenient installation and disassembly, high installation efficiency, and cost saving Effect

Pending Publication Date: 2019-12-24
UNIV OF SCI & TECH LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the tunnel TBM construction working environment, in order to better receive the microseismic signal near the working face, the microseismic monitoring system needs to keep the distance between the sensor and the tunnel face as short as possible. Affected by the construction process, the position of the sensor after installation needs to be sprayed with mortar It is easy to cause damage to the sensor during the spray protection process, which not only affects the normal operation of the microseismic monitoring system, cannot guarantee the continuous validity of microseismic data, but also damages the equipment and causes property losses

Method used

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  • In-tunnel micro-seismic monitoring sensor protection device and using method thereof
  • In-tunnel micro-seismic monitoring sensor protection device and using method thereof
  • In-tunnel micro-seismic monitoring sensor protection device and using method thereof

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Embodiment 1

[0036] The inner diameter of the protective case 1 is 100mm, the length is 300mm, the height of the protective covers A2 and B3 is 20mm, the thickness of the ring-shaped anti-stretch strip 10 is 5mm, and its diameter is 10mm smaller than the inner diameter of the protective case 1, the distance between the blocking card 12 and the bottom of the protective case 1 is 40mm, and the anchor piece 4 The width is 50mm and the height is 100mm.

[0037] The inner core 5 is 50mm long, the radius within the 20mm length range of the head is 25mm, the radius of the rear 30mm length is 50mm, the diameter of the middle hole of the cap 8 is 8mm, which matches the diameter of the bolt, and the length of the crotch 7 is 40mm, and it is connected with the inner core as A whole.

[0038] Pull and press hook 13 length 200mm, diameter 5mm, every 40mm has a hinge point.

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Abstract

The invention discloses an in-tunnel micro-seismic monitoring sensor protection device and a using method thereof. The device comprises a protective shell, an inner core, a blocking card, an annular anti-stretching strip and a pulling and pressing hook. The blocking card is fixed at one side in the protective shell; the annular anti-stretching strip stretches into the protective shell from the other side of the protective shell; the inner core is limited between the blocking card and the annular anti-stretching strip; a hook is arranged at the rear end of the inner core; and a sensor is installed at the front end of the inner core. Compared with the prior art, the micro-seismic monitoring sensor protection device has the beneficial effects: the sensor can be effectively prevented from being damaged due to spray protection on the premise that the monitoring effect is guaranteed; the device is convenient to mount or dismount rapidly without the professional, so that the mounting efficiency is high; and the required materials are simple and the installation device and the sensor can be repeatedly recycled, and the cost is greatly saved.

Description

technical field [0001] The invention relates to the field of rock engineering, in particular to a protection device for a microseismic monitoring sensor in a tunnel and a method for using the same. Background technique [0002] In the tunnel TBM construction working environment, in order to better receive the microseismic signal near the working face, the microseismic monitoring system needs to keep the distance between the sensor and the tunnel face as short as possible. Affected by the construction process, the position of the sensor after installation needs to be sprayed with mortar It is easy to cause damage to the sensor during the spray protection process, which not only affects the normal operation of the microseismic monitoring system, cannot guarantee the continuous validity of microseismic data, but also damages the equipment and causes property losses. Contents of the invention [0003] The purpose of the present invention is to provide a microseismic monitoring...

Claims

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Application Information

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IPC IPC(8): G01V1/16
CPCG01V1/162
Inventor 张治强段文硕唐烈先
Owner UNIV OF SCI & TECH LIAONING
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