Auxiliary moving device for drilling radar antenna

A drilling radar and assisted movement technology, which is applied in the directions of earthwork drilling, measurement, borehole/well components, etc., can solve the problems of repeated detection of difficult drilling radar antennas, uneven movement speed, and easily damaged equipment, etc., to achieve Convenient detection, ensuring uniformity, and improving detection efficiency

Pending Publication Date: 2021-02-12
INST OF KARST GEOLOGY CAGS +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the detection of borehole radar is mostly through the gravity drop of the antenna in the vertical borehole, but there is no relevant report on the auxiliary mobile device when using borehole radar to predict tunnel water and mud inrush. The existing operation is to use wooden st

Method used

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  • Auxiliary moving device for drilling radar antenna
  • Auxiliary moving device for drilling radar antenna
  • Auxiliary moving device for drilling radar antenna

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with specific drawings, so as to better understand the content of the present invention.

[0026] see Figure 1 to Figure 3 , the borehole radar antenna auxiliary moving device of the present invention comprises a borehole radar antenna 3, a fixed sleeve and a guide, wherein the borehole radar antenna 3 is installed in the fixed sleeve, and the borehole radar antenna 3 passes through the guide Realize reciprocating movement in the fixed sleeve.

[0027] The fixed sleeve is installed in the borehole, the fixed sleeve includes a pipe body 1, one end of the pipe body 1 is a fixed end, and is fixed to the tunnel face through existing conventional connectors (such as expansion bolts 13, etc.) Above; the other end of the tube body 1 is a sealing end, and a sealing cover 5 is sleeved at the end, and the cooperation between the sealing cover 5 and the tube body 1 is preferably an interference fit; t...

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Abstract

The invention discloses an auxiliary moving device for a drilling radar antenna. The auxiliary moving device comprises the drilling radar antenna and a fixed bushing. The drilling radar antenna movesback and forth in the fixed bushing through a guide device, the fixed bushing comprises a bushing body, and one end of the bushing body is a fixed end and is fixed to a tunnel face. The other end of the bushing body is a sealed end, and a sealing cover is arranged at the end. The guide device comprises a bottom wire fixer, a top wire fixer, a pulley block, traction ropes and at least two sets of moving devices. By constructing the guide device, stable reciprocating motion of the drilling radar antenna in the fixed bushing can be ensured when the advancing traction ropes and the retreating traction rope are respectively pulled. By controlling the speed of pulling the advancing traction ropes and the retreating traction rope, the uniformity of the motion speed of the drilling radar antenna is ensured, and the probability of equipment damage is reduced or even avoided. By means of combining of all technical means, the advancing speed of the drilling radar antenna is high, back-and-forth detection is convenient, and the detection efficiency is effectively improved.

Description

technical field [0001] The invention relates to an auxiliary device for forecasting tunnel water gushing by using borehole radar, in particular to a borehole radar antenna auxiliary moving device for forecasting tunnel water gushing and mud burst by using borehole radar. Background technique [0002] In the 21st century, infrastructure construction around the world ushered in the climax of the development of "underground space". As the main structural form of underground engineering, the scale and number of tunnel construction are increasing. Tunnels are mainly divided into highway and railway traffic tunnels, water conservancy water transfer tunnels, municipal pipeline tunnels, mine tunnels, etc. [0003] During the construction of the tunnel, it is necessary to use geophysical prospecting, drilling and other technical means to detect the unfavorable geological conditions such as karst and structure in front of the tunnel face, so as to evaluate the possibility of water and...

Claims

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Application Information

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IPC IPC(8): E21B47/10E21B23/14
CPCE21B23/14E21B47/10
Inventor 蒙彦杨川雷明堂董志明许泽琪尹海龙李卓骏历永杰郭宝德戴跃文蒋小珍戴建玲贾龙
Owner INST OF KARST GEOLOGY CAGS
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