Detecting device capable of realizing drill hole three-dimensional imaging and method thereof

A technology of three-dimensional imaging and detection equipment, which is applied in the directions of surveying, earthwork drilling and production, wellbore/well components, etc., which can solve the problems of not fully representing the inclination angle of borehole 1, increasing on-site workload, and loss of sensing accuracy, etc., to achieve The effect of enriching various detection results
CN102748008AActive Publication Date: 2012-10-24武汉岩海工程技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
武汉岩海工程技术有限公司
Publication Date
2012-10-24

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Abstract

The invention discloses a detecting device capable of realizing drill hole three-dimensional imaging and a method thereof, and relates to the techniques of constructional engineering detection. The detecting device comprises a detector (20) on the ground, an electric winch (30) and a downhole sensor. The downhole sensor comprises a seal cylinder (32), a cable socket (31), a main circuit board (33), an epoxy resin waterproof layer (35), an internal connecting wire (34), a pressure spring (27), a rotary shaft (36), a long rod (39), a detecting arm (22), a detecting arm circuit board (37), and a damping disk (38). By the detecting device, detecting method is simplified, work efficiency is enhanced, and detecting precision is improved. By the three-dimensional imaging, comprehensive and visualized detecting results are provided. Aperture and hole deviation curves under different definitions can be calculated through different mathematical methods on the basis of three-dimensional imaging pictures, so that rich and diversified detecting results are provided. The detecting device is applicable to detection of aperture and hole deviation is constructional engineering.
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Description

technical field

[0001] The invention relates to construction engineering detection technology, in particular to a detection device capable of realizing borehole three-dimensional imaging and a method thereof. Background technique

[0002] Bored pile is one of the common foundation pile forms in construction engineering. Its function is to transfer the load of the superstructure to the deep stable soil layer or rock layer, and reduce the uneven settlement of the superstructure. The construction of bored piles is divided into two stages: "drilling" and "pouring concrete" into the borehole. The drilling operation in the first stage is completed underground and with water injection, so quality control is difficult, and sometimes complex geological conditions may easily cause mistakes in construction, which may eventually lead to different diameters (apertures) of boreholes, and holes along gravity The direction is tilted (hole skew) and other problems.

[0003] After pouring c...

Claims

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