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Auxiliary mechanical device suitable for fixed sensor and fixing method

A technology of auxiliary machinery and sensors, applied in measuring devices, using sonic/ultrasonic/infrasonic waves to analyze solids, instruments, etc., can solve problems such as affecting the accuracy of detection results, increasing the detection process time, and complex tunnel construction conditions. Signal acquisition, easy to carry, light weight effect

Pending Publication Date: 2019-08-02
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The inventor found that due to the complex construction conditions of the tunnel, water seepage or poor surrounding rock grades are often encountered, which affects the deployment of sensors, especially the sensors at the vault, which are prone to fall, which not only increases the time of the detection process, but also affects The accuracy of the detection results will also cause damage to the sensor

Method used

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  • Auxiliary mechanical device suitable for fixed sensor and fixing method
  • Auxiliary mechanical device suitable for fixed sensor and fixing method
  • Auxiliary mechanical device suitable for fixed sensor and fixing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] An auxiliary mechanical device suitable for fixing a sensor disclosed in this embodiment includes screwing expansion bolts and a sensor pressing device;

[0038] Screwing the expansion bolt includes a screwing nail and a connecting sleeve; the outer ring of the screwing nail is threadedly matched with the inner ring of the connecting sleeve, and one end of the screwing nail is a hemispherical nail head. One end of the sleeve is connected with an expansion friction plate, and the hemispherical nail head of the screw is inserted from the other end of the connecting sleeve; a hexagonal fixing ring is arranged in the middle of the connecting sleeve;

[0039] The sensor pressing device includes two fixing parts, each fixing part is provided with a mounting hole for the screwed expansion bolt to pass through; an elastic belt storage box is arranged inside the two fixing parts, and each elastic belt is stored The box is provided with a rotating shaft, and a fixed shaft is inse...

Embodiment 2

[0055] Utilize the device described in embodiment 1 to fix the method for sensor, as follows:

[0056] A. Mark all the positions where sensors 23 need to be deployed according to the site conditions;

[0057] B. Take the pre-marked sensor 23 layout position as the center, and use an 18 mm percussion drill bit to symmetrically drill two holes with a distance of less than 20 cm parallel to the direction of the face;

[0058] C. Pass the screwed expansion bolt 1 through the hexagonal fixing hole 13 and the round through hole 14 on one side of the sensor pressing device 20, and use a hexagonal wrench to rotate the screwing nail 2 to fix the screwed expansion bolt 1, thereby fixing the sensor pressing device 20 sides;

[0059] D. Pull out the elastic band 19, move the other side of the sensor pressing device 20 to the top of another drill hole, and repeat step C;

[0060] E. Press the sensor 23 wrapped with coupling agent to the pre-marked sensor 23 layout position through the el...

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Abstract

The invention discloses an auxiliary mechanical device suitable for a fixed sensor and a fixing method. The auxiliary mechanical device comprises a screwing expansion bolt and a sensor pressing device, wherein the screwing expansion bolt comprises a screwing nail and a connecting sleeve; the outer ring of the screwing nail is matched with the inner ring of the connecting sleeve through a thread, one end of the screwing nail is a hemispherical nail head, an expansion friction sheet is connected to one end of the connecting sleeve, and the hemispherical nail head of the screwing nail is insertedfrom the other end of the connecting sleeve; a hexagonal fixing ring is arranged in the middle of the connecting sleeve; the sensor pressing device comprises two fixing pieces, and each fixing pieceis provided with a mounting hole for allowing the screwing expansion bolt to penetrate through; elastic band storage boxes are arranged on the inner sides of the two fixing pieces, a rotating shaft isarranged in each elastic band storage box, a fixed shaft is inserted into the rotating shaft, and a reset spring is arranged between the fixed shaft and the rotating shaft; and the two rotating shafts are connected through an elastic band.

Description

technical field [0001] The invention relates to an auxiliary mechanical device and a fixing method suitable for fixing a sensor. Background technique [0002] In the 1960s, with the support of the US Advanced Technology Development Program Fund, the US National Security Agency networked many senior geophysicists to use seismic wave survey technology to study formation stress relief phenomena and formation structure scanning imaging, referred to as TRT technology. In 2006, in order to promote this advanced technology, C-Thru Corporation of the United States inherited relevant assets from the National Security Bureau, and jointly launched the TRT6000 advanced geological prediction system with the China Academy of Railway Sciences. [0003] The work of the TRT system is based on the principle of seismic wave reflection. When the seismic wave encounters the interface of the difference in acoustic impedance (the product of density and wave velocity), part of the signal is reflect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/22G01N29/04G01B17/00G01B17/06
CPCG01N29/223G01N29/04G01B17/00G01B17/06G01N2291/023G01N2291/0232G01N2291/028
Inventor 邱道宏傅康薛翊国苏茂鑫刘洋李广坤崔久华
Owner SHANDONG UNIV
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