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A Measuring Device for Vertical Displacement of Bridge Beam Body

A measurement device and displacement technology, applied in the field of bridge displacement measurement tools, can solve the problems of long measurement and preparation time, high manpower requirements, large errors, etc., and achieve the effects of convenient, fast and accurate measurement, and easy to carry and install.

Inactive Publication Date: 2020-06-05
SOUTHEAST UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a measuring device for the vertical displacement of bridge girders to solve the technical problems of long measurement and preparation time, the need for additional support erection, high manpower requirements, and large errors in conventional measurement techniques

Method used

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  • A Measuring Device for Vertical Displacement of Bridge Beam Body
  • A Measuring Device for Vertical Displacement of Bridge Beam Body
  • A Measuring Device for Vertical Displacement of Bridge Beam Body

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Embodiment Construction

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0021] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...

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Abstract

The invention discloses a measuring apparatus for vertical displacement of a bridge beam body. The measuring apparatus for the vertical displacement of the bridge beam body comprises a ruler body, a transverse rotating disc and a transverse positioning plate from top to bottom; the ruler body is fixed on the transverse rotating disc, and the transverse rotating disc is connected with the transverse positioning plate by virtue of a rotating shaft; and the ruler body, the transverse rotating disc and the rotating shaft are coaxial and can rotate relative to the axial direction of the transversepositioning plate. The transverse positioning plate provides a two-level axial rotation degree of freedom by adding a rubber strip, so that the installation condition of uneven bottom surfaces of different bridge bodies can be satisfied; and the ruler body is formed by connecting different numbers of ruler components, and the length of the ruler body can be adjusted according to different bridge types and the geographical environment. When in actual application, the measuring apparatus is integrally inversely fixed on the bottom surface of a beam body, and is convenient for rapidly and accurately measuring the vertical displacement of the beam body as a novel leveling staff. By adopting the measuring apparatus for the vertical displacement of the bridge beam body, the technical difficulties in the conventional measuring technology that the measuring and preparation time is long, an additional support is needed, the manpower requirement is high, and the error is large can be solved.

Description

technical field [0001] The invention relates to the field of bridge displacement measuring tools, in particular to a measuring device for the vertical displacement of a bridge girder body. Background technique [0002] In the process of bridge inspection, it is often necessary to set up instruments under the bridge to measure the vertical deflection of the bridge and evaluate the deformation of the bridge. The commonly used measurement method is to erect multiple temporary supports along the width direction of the bridge at the bottom of the bridge, and arrange displacement gauges on the top of the temporary supports, and obtain the vertical displacement of the bridge girder by manually reading the data. However, such a measurement method is often limited by the environment of the lower part of the bridge. For example, it is difficult to implement if it passes through water or is required to open to traffic. At the same time, this solution will consume a lot of preparation t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/02G01B5/30G01B5/00
Inventor 熊文余郁薛玉波陈晓飞王子琛叶欣
Owner SOUTHEAST UNIV
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