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Mobile bracket and method for detecting damage of underwater part of pier

A damage detection and movable support technology, which is applied to measurement devices, material analysis through optical means, instruments, etc., can solve problems such as low efficiency and difficulty in locating the specific coordinates of cracks, and achieve the effect of reducing detection costs and improving efficiency and quality.

Active Publication Date: 2017-07-14
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the detection of the underwater part of bridge piers in China is mainly carried out manually by divers wearing underwater photography equipment. This detection method is inefficient and it is difficult to locate the specific coordinates of cracks.

Method used

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  • Mobile bracket and method for detecting damage of underwater part of pier
  • Mobile bracket and method for detecting damage of underwater part of pier
  • Mobile bracket and method for detecting damage of underwater part of pier

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Embodiment Construction

[0024] The movable support for the damage detection of the underwater part of the bridge pier in this embodiment is as follows: figure 1 Shown, mainly be made up of parts such as metal hose 1, sliding sleeve 5, push rod 4, rhombus telescopic frame 13 and metal box 17.

[0025] The hoop is composed of several sections of equal-length and bendable metal hose 1 connected end-to-end through the convex connecting ring 2 and the embedded connecting ring 3, and is pulled on the pier by 4 push rods on the side of the metal hose 1. outer wall. The two ends of each section of metal hose have an externally protruding connecting ring 2 and an embedded connecting ring 3 respectively, and the upper surface has a scale 1a along the axial direction, which can be used to determine the horizontal coordinates of the damaged part. If the cross section of the bridge pier is circular, then the hoop is stretched into a ring on the outer wall of the pier by the push rod 4 such as figure 2 shown; i...

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Abstract

The invention discloses a mobile bracket and method for detecting damage of an underwater part of a pier. The mobile bracket comprises metal hoses, a sliding sleeve, a stretching device and a robot seat. A plurality of metal hoses form a hoop surrounding the pier, the sliding sleeve sleeves the hoop, and the stretching device is connected between the sliding sleeve and the robot seat. The method comprises the following steps: sleeving the metal hoop with the sliding sleeve to determine a horizontal coordinate of the damaged part; and stretching a rhombic stretching rack and a tape in the stretching device jointly up and down to determine a vertical coordinate of the damaged part. According to the mobile bracket and method, the two-dimensional coordinates of the damaged part of an underwater damaged part of a bridge can be accurately positioned, the problems that a robot in the current stage is washed away or lost due to rapid flow and the like are solved, the detecting efficiency and quality of underwater hidden danger part of the bridge are improved, and the detection cost is effectively lowered.

Description

technical field [0001] The invention relates to a detection device and method for damage to underwater parts of bridge piers, and belongs to the field of structure detection devices. Background technique [0002] Concrete bridge piers will have cracks during work, and will also be damaged by water erosion, corrosion, ship impact, earthquakes, etc. The damage detection of underwater parts of bridge piers is easy to become a blind spot of detection. At present, the detection of the underwater part of bridge piers in China is mainly carried out manually by divers wearing underwater photography equipment. This detection method is inefficient and it is difficult to locate the specific coordinates of cracks. Based on the above situation, it is an urgent technical problem to design a movable support for damage detection of the underwater part of the pier, which can be used to locate the specific location of the damage more accurately, improve the detection efficiency, and replace ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/952G01N21/01
CPCG01N21/01G01N21/952
Inventor 吉伯海陈欣叶枝
Owner HOHAI UNIV
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