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A magnetic positioning device and a method for monitoring the deep displacement of a landslide using the device

A deep displacement and magnetic measurement technology, applied in the field of magnetic positioning measurement, can solve the problems of inability to solve the displacement value and excessive use of sensors, and achieve the effect of facilitating popularization and application, reducing system cost and ensuring accuracy

Inactive Publication Date: 2018-01-23
CHINA THREE GORGES UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0014] The technical problem to be solved by the present invention is to provide a magnetic measuring positioning device and a method for monitoring the deep displacement of landslides using the device, which can solve the problems that the displacement value that meets the monitoring accuracy requirements and the excessive use of sensors cannot be solved, and ensure the deep displacement. The accuracy of measurement greatly reduces the cost of the system and facilitates popularization and application

Method used

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  • A magnetic positioning device and a method for monitoring the deep displacement of a landslide using the device
  • A magnetic positioning device and a method for monitoring the deep displacement of a landslide using the device
  • A magnetic positioning device and a method for monitoring the deep displacement of a landslide using the device

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Embodiment 1

[0050] like Figure 4 and Figure 5 As shown, a magnetic positioning device includes a package casing 6, a pair of guide wheels 2 are installed on the package casing 6 along the upper and lower parts of the axial direction, the first three-dimensional fluxgate sensor 3 is installed on the upper part of the package casing 6, and the second The two-dimensional and three-dimensional fluxgate sensor 5 is installed in the lower part of the package shell 6, the first three-dimensional fluxgate sensor 3 and the second three-dimensional fluxgate sensor 5 are respectively connected to the signal acquisition module 4 through wires, and the signal acquisition module 4 is connected to the protruding The power supply and signal transmission cables 1 of the encapsulation shell 6 are connected, and the distance between the first three-dimensional fluxgate sensor 3 and the second three-dimensional fluxgate sensor 5 is kept constant, and the distance ranges from 1 to 1.5 meters.

[0051] The ...

Embodiment 2

[0055] The landslide structure monitored by the method of the present invention and the positional relationship diagram of the deep displacement monitoring hole and the landslide are as follows figure 1 shown;

[0056] A method for monitoring the deep displacement of a landslide by using the above-mentioned magnetic positioning device, the method includes the following steps:

[0057] Step 1: For the landslide body 7 that needs to be monitored, drill down from the surface of the landslide body 7 to form a monitoring hole 8, and drill the monitoring hole 8 to the sliding bed 10 below the sliding belt 9;

[0058] Step 2: install the inclinometer tube 12 with two sets of guide grooves 11 in the monitoring hole 8, the two sets of guide grooves 11 are perpendicular to each other, and the connecting direction of one set of guide grooves 11 is consistent with the sliding direction of the landslide body 7;

[0059] Step 3: In the initial stage of landslide deformation monitoring, use...

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Abstract

The invention discloses a magnetic measurement positioning device, which comprises a packaging shell, wherein side guide wheels are respectively arranged on the upper portion and the lower portion of the packaging shell along the axial direction, a first three-dimensional fluxgate sensor is arranged on the upper portion of the packaging shell, a second three-dimensional fluxgate sensor is arranged on the lower portion of the packaging shell, the first and the second three-dimensional fluxgate sensors are respectively connected with signal collecting modules through wires, the signal collecting modules are connected with power supply and signal transmission cables which extend outside the packaging shell, and the distance between the first and the second three-dimensional fluxgate sensors is kept in constant. The invention provides the magnetic measurement positioning device and a method for monitoring slope deep displacement by utilizing the magnetic measurement positioning device can solve the problems that displacement values which meet monitoring accuracy requirement can not be calculated and more sensors are used, guarantee measurement accuracy of deep displacement, greatly reduce system cost, and is convenient in popularization and application.

Description

technical field [0001] The invention relates to the technical field of magnetic positioning measurement, in particular to a magnetic positioning device and a method for monitoring deep displacement of a landslide using the device. Background technique [0002] Landslide geological disaster is the most common type of geological disaster, and monitoring and early warning is one of the main engineering measures to deal with landslide geological disaster. Usually the landslide structure is composed of landslide body, sliding bed (ie bedrock) and sliding belt, and the deep displacement of the landslide refers to the sliding displacement of the landslide body relative to the sliding bed measured near the sliding belt. For landslides that require deep displacement monitoring, the volume is usually large, and the buried depth of the slide zone generally reaches 20 to 30 meters, and some even reach a depth of 100 meters. The landslide geological hazard develops to the stage of immin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/02G01B7/24
CPCG01B7/02G01B7/24
Inventor 吴剑黄学斌程温鸣付小林霍志涛陈池吴定洪易武张国栋陆丹何建伟谢智平张永柱
Owner CHINA THREE GORGES UNIV
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