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Measuring and positioning device and measuring and positioning method for mounting prefabricated stand column of bridge

A positioning device and column technology, which is applied in the direction of measuring devices, measuring point marks, instruments, etc., can solve the problems of large column volume and mass, complicated on-site operation, time-consuming and labor-intensive, etc., and achieves difficult deflection, high control accuracy, and improved measurement. The effect of precision

Active Publication Date: 2021-02-26
无锡交通建设工程集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When the traditional measurement method is used to correct the plane position and verticality of the prefabricated column, the on-site operation is more complicated
However, the volume and mass of the column are relatively large, and it is time-consuming and labor-intensive to repeatedly adjust the plane position and verticality of the column, and there are certain safety risks.

Method used

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  • Measuring and positioning device and measuring and positioning method for mounting prefabricated stand column of bridge
  • Measuring and positioning device and measuring and positioning method for mounting prefabricated stand column of bridge
  • Measuring and positioning device and measuring and positioning method for mounting prefabricated stand column of bridge

Examples

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Effect test

Embodiment

[0043] A measuring and positioning device, such as figure 1 As shown, it includes a label 1, a longitudinal measuring instrument 2, a transverse measuring instrument 3, a cylinder 4 and a support frame 5, and the above structures are arranged in pairs.

[0044] Such as figure 1 and figure 2 As shown, there are four groups of labels 1 , which are respectively located on the four side walls of the column 6 , and each group of labels 1 is evenly pasted on the vertical axis of the side wall of the corresponding column 6 . In addition, the label 1 is a BMW sticker with a "ten" scale printed on its surface.

[0045] Such as figure 1 and image 3 As shown, the longitudinal measuring instrument 2 is located on the longitudinal axis of the column 6, and includes a longitudinal tripod 21, a first rotating shaft 22, a longitudinal monocular telescope 23, a weight 25, etc., and the longitudinal measuring instruments 2 are arranged on both sides of the column 6 in pairs.

[0046] Suc...

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Abstract

The invention belongs to the technical field of assembly type bridge construction, and discloses a measuring and positioning device. The device is characterized by comprising four groups of labels arranged on the side surface of a stand column, and a longitudinal measuring instrument and a transverse measuring instrument which are erected on a bearing platform. The invention further discloses a measuring and positioning method for mounting a prefabricated stand column of a bridge. According to the technical scheme, the method is characterized by comprising the steps of lofting the axis of a stand column, pasting a label, erecting a longitudinal measuring instrument, a transverse measuring instrument and an air cylinder, adjusting the posture of the stand column according to a longitudinalmonocular, limiting the stand column through a supporting frame, and adjusting the posture of the stand column according to a transverse monocular. The method has the effects that the stand column canbe accurately measured and positioned, the correction operation of the plane position and the perpendicularity of the stand column is rapidly carried out, and the control precision is high.

Description

technical field [0001] The invention relates to the technical field of prefabricated bridge construction, in particular to a measuring and positioning device and a measuring and positioning method for installing bridge prefabricated columns. Background technique [0002] In the process of urban bridge construction, in order to achieve rapid construction and shorten the construction period, construction parties are increasingly using prefabricated columns and prefabricated box girders as the core prefabricated construction technology. [0003] The Chinese patent with the notification number CN105421222B discloses a bridge prefabricated pier column and cap socket connection structure and its assembly method. The structure includes a column and a cap, and the column includes an exposed end and an embedded end. The column installation hole, the cross-sectional shape and size of the column installation hole match the cross-sectional shape and size of the embedded end so that the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C15/02G01C25/00
CPCG01C15/02G01C25/00
Inventor 王文蒋文炳江海南
Owner 无锡交通建设工程集团有限公司
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