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Ground penetrating radar in device for measuring primary support with measuring wheel

A technology of ground penetrating radar and measurement wheel, which is applied in measurement devices, radio wave measurement systems, and re-radiation, etc., can solve the problems that distance cannot represent the measurement mileage, cannot fully represent the real situation, and cannot be coupled, so as to reduce labor consumption. , The effect of accurate measurement and improved efficiency

Pending Publication Date: 2019-01-11
SHANDONG UNIV +1
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Problems solved by technology

[0005] When the existing device is measuring the primary branch, because the measuring wheel and the radar system are fixed, when the measuring wheel contacts the concave lining, it cannot be well coupled with the contact surface. The distance reflected by the measurement wheel cannot represent the real measurement mileage in the actual measurement. At the same time, because the measurement wheel cannot be well coupled with the contact surface, the experimental data fed back deviates from the real situation behind the initial support, and cannot fully represent and the real situation after react-lining

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  • Ground penetrating radar in device for measuring primary support with measuring wheel
  • Ground penetrating radar in device for measuring primary support with measuring wheel
  • Ground penetrating radar in device for measuring primary support with measuring wheel

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[0026] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0027] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof;

[0028] For the convenience of description, if the words "up", "down", "left" and "right" appear in the present i...

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Abstract

The invention discloses a ground penetrating radar in a device for measuring a primary support with a measuring wheel, comprising a ground penetrating radar and a measuring wheel, wherein a signal acquisition device is mounted on the measuring wheel, and the signal acquisition device is connected to the ground penetrating radar; the drive shaft of the measuring wheel is connected to one end of a damping hinge horizontally fixed to the top of the ground penetrating radar through a telescopic link, the other end of the damping hinge is connected to the ground penetrating radar; the telescopic link can rotate with the drive shaft; the drive shaft is also connected to the side wall of the ground penetrating radar through a horizontal elastic device; the elastic device, the telescopic link andthe ground penetrating radar form a triangle, so that the measuring wheel forms a stable system with the ground penetrating radar during the traveling process to measure; and the signal acquisition device mounted on the measuring wheel is connected to the ground penetrating radar.

Description

technical field [0001] The invention relates to tunnel engineering, in particular to a device for measuring the thickness of primary supports, the distribution of steel bars, the compactness of concrete, and the state of emptying with a ground-penetrating radar using a measuring wheel. Background technique [0002] Ground Penetrating Radar (GPR) uses frequencies between 10 6 ~10 9 Hz radio waves to determine a geophysical detection instrument for subsurface media. With the continuous development of microelectronics technology and signal processing technology, ground penetrating radar technology is widely used in many fields such as engineering geological survey, building structure survey, highway engineering quality inspection, and underground pipeline detection. [0003] The basic principle of ground penetrating radar is shown in the figure below. The transmitting antenna directs the high-frequency short-pulse electromagnetic waves into the ground, and the electromagneti...

Claims

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Application Information

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IPC IPC(8): G01S7/02G01S13/88
CPCG01S7/02G01S13/885
Inventor 薛翊国刘轶民苏茂鑫毛德强郭志强赵素志郭创科李广坤李鹏飞
Owner SHANDONG UNIV
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