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A fine exploration platform and fine exploration method for directly buried pipelines in shallow water

A shallow water and pipeline technology, which is applied to the field of direct buried pipeline fine exploration platform in shallow water, can solve the problems such as the inability to meet the draught of wheeled or crawler-type detection ships, the single detection method of underwater pipelines, and the large size of detection ships. Easy disassembly and transportation, low cost, and the effect of improving vertical accuracy

Active Publication Date: 2021-12-14
浙江省工程勘察设计院集团有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For pipelines buried under waters, special floating tools are required to carry operators; for deep waters, wheeled or crawler-type inspection ships can be used to sail on the water surface to carry operators and inspection equipment; but for shallow For water areas, it cannot meet the draft of wheeled or tracked inspection ships, and the inspection ships are bulky and costly, so they are not suitable for pipeline detection in shallow waters
[0004] Nowadays, there is no suitable underwater detection platform, and the underwater pipeline detection method is single, and the detection accuracy is low

Method used

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  • A fine exploration platform and fine exploration method for directly buried pipelines in shallow water
  • A fine exploration platform and fine exploration method for directly buried pipelines in shallow water
  • A fine exploration platform and fine exploration method for directly buried pipelines in shallow water

Examples

Experimental program
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Embodiment 1

[0060] Please refer to figure 1 A structural schematic diagram of a direct-buried pipeline precision exploration platform in shallow water provided for this embodiment, including a bottom plate 1 and safety guardrails 2 fixed on both sides of the bottom plate 1;

[0061] The bottom plate 1 is formed by splicing several square foam blocks 3; the adjacent foam blocks 3 are connected by the protruding blocks 4 and the concave card slots 5; the foam blocks 3 include a middle A square connecting part 7 with a through hole 6 and a rotating part 8 rotatably locked in the through hole 6; the rotating part 8 is provided with a row of probe holes 9;

[0062] Anchor holes 10 are respectively provided near the four corners of the bottom plate 1 ; an anchor rod 23 is movably inserted in each anchor hole 10 .

[0063] Among them, the foam block is an EPS high-density foam block, the size of which can be set according to the needs, and its carrying capacity is strong, which is suitable for ...

Embodiment 2

[0081] This embodiment provides a direct-buried pipeline fine-tuning method in shallow water, including the following steps:

[0082] s10. With the cooperation of the fine detection platform in Embodiment 1, track the target pipeline through the pipeline instrument, and when the fine detection platform is drawn directly above the target pipeline, pass the anchor hole of the fine detection platform to the target pipeline. Anchoring of Jingtan platform;

[0083] The pipeline meter is an instrument for measuring the position and depth of underground metal pipes, wires and cables on the ground. It consists of a transmitter and a receiver. Transmitters are generally multi-frequency, usually 50Hz, 512Hz, 640Hz, 8K, 33K, 65K, 83K, 131K, 200K, etc. There are three ways to add signals: clamp method, direct connection method and induction method, and the induction method When the transmitter and the pipeline are not connected, the transmission signal is added to the underground metal ...

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Abstract

The present application discloses a fine exploration platform and method for directly buried pipelines in shallow waters, wherein the platform includes a base plate and safety guardrails fixed on both sides of the base plate; the base plate is formed by splicing several square foam blocks; adjacent foam blocks are passed through The protruding block and the recessed card slot are locked together; the foam block includes a square connecting part with a through hole in the middle and a rotating part rotatably locked in the through hole; the rotating part is provided with a row of contact holes ; Positions near the four corners of the bottom plate are respectively provided with anchor holes. In this application, a plurality of mutually spliced ​​foam blocks are used to form a bottom plate to form a platform for carrying workers and work tools, and a contact hole is opened on the foam block, which is cheap in cost and has good stability in water; by designing the foam block as a rotating part and After anchoring the bottom plate, the connecting part further fine-tunes the orientation of each row of sounding holes by rotating the rotating part of each foam block, so as to improve the vertical accuracy between the arrangement direction of sounding holes and the target pipeline, thereby improving the accuracy of measurement.

Description

technical field [0001] The present disclosure generally relates to the detection field of underground pipelines, and specifically relates to a precision detection platform and a precision detection method for directly buried pipelines in shallow waters. Background technique [0002] The underground pipeline is regarded as the lifeline of the city and is an important infrastructure of the city. It is responsible for the work of transmitting information, transporting energy and discharging waste liquid. It is also a key area for fire protection, sanitation and epidemic prevention departments to inspect. It is necessary to inspect the pipeline. In order to conduct a comprehensive assessment of existing pipeline facilities and make a response plan. [0003] For pipelines buried under waters, special floating tools are required to carry operators; for deep waters, wheeled or crawler-type inspection ships can be used to sail on the water surface to carry operators and inspection e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V11/00
CPCG01V11/00
Inventor 胡臻荣沈晓武钱宏春袁斌潘永坚楼国长刘敏郑慧华夏春芳张秉政吴炳华鲁华桥蔡国成陈春飞张鹏郭云
Owner 浙江省工程勘察设计院集团有限公司
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