Bridge installation positioning method

By setting up infrared transmitting and receiving matrices on the bridge back wall and beam slab, automatic positioning of bridge installation is achieved using infrared signal transmission, which solves the problem of low positioning accuracy in existing methods and improves construction efficiency.

CN116397532BActive Publication Date: 2026-03-03CHINA HARBOUR ENGINEERING
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-30
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

Existing bridge installation and positioning methods have poor accuracy, which affects construction efficiency.

Method used

Infrared transmitting and receiving matrices are attached to the bridge back wall and beam slab respectively. Automatic positioning is achieved through infrared signal transmission. The beam slab position is adjusted using lifting equipment until the infrared receiver receives the signal and aligns.

Benefits of technology

It improved the accuracy of bridge positioning and construction efficiency, and achieved high-precision automatic positioning of the beams relative to the bridge back wall.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116397532B_ABST
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Abstract

The application discloses a bridge installation positioning method, comprising the following steps: measuring the installation position of a beam plate on the top of a back wall according to the installation position information of the beam plate relative to the back wall, marking the installation position of the beam plate on the back wall to obtain a first marking area; marking the beam end of the beam plate to obtain a second marking area; pasting an infrared emitter matrix on the first marking area in a removable manner, the infrared emitter matrix comprising a plurality of regularly arranged infrared emitters; pasting an infrared receiver matrix on the second marking area in a removable manner, the infrared receiver matrix comprising a plurality of regularly arranged infrared receivers; hoisting the beam plate by hoisting equipment; sending a positioning failure signal to a controller by the infrared receiver matrix when at least one infrared receiver does not receive an infrared signal; and adjusting the position of the beam plate by the hoisting equipment according to the positioning failure signal. The application improves the positioning accuracy of the beam plate relative to the back wall of the bridge and the installation efficiency of the bridge.
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Description

Technical Field

[0001] This invention relates to the field of bridge construction technology, and in particular to a bridge installation and positioning method. Background Technology

[0002] During bridge installation, beams must be measured and positioned correctly. The existing method involves manually marking corresponding locations on the bridge's abutment wall and simultaneously marking the ends of the beams. When placing the beams, the painted marks on the beams are then aligned with those on the abutment wall. This method offers poor positioning accuracy and is not conducive to improving bridge construction efficiency. Summary of the Invention

[0003] One object of the present invention is to solve at least the above-mentioned problems and / or defects, and to provide at least the advantages described below.

[0004] One objective of this invention is to provide a bridge installation and positioning method that can improve the accuracy of bridge positioning and construction efficiency.

[0005] To achieve these objectives and other advantages according to the present invention, a bridge installation positioning method is provided, comprising:

[0006] Step (1) Determine the installation position information of the beam slab relative to the bridge back wall according to the design scheme;

[0007] Step (2) Based on the installation position information of the beam plate relative to the back wall, measure the installation position of the beam plate on the back wall and mark the installation position of the beam plate on the back wall to obtain a first marking area; mark the beam end of the beam plate to obtain a second marking area;

[0008] Step (3) A removable infrared emission matrix is ​​pasted in the first marked area, the infrared emission matrix comprising a plurality of infrared emitters arranged in a regular manner; an infrared receiving matrix is ​​pasted in the second marked area, the infrared receiving matrix comprising a plurality of infrared receivers arranged in a regular manner; and the arrangement of the plurality of infrared emitters in the infrared emission matrix is ​​the same as the arrangement of the plurality of infrared receivers in the infrared receiving matrix.

[0009] Step (4) The beam is lifted using a lifting device, and a controller is installed in the lifting device. When all the infrared receivers in the infrared receiving matrix receive infrared signals emitted by the infrared transmitters in the infrared transmitting matrix, the infrared receiving matrix sends a positioning confirmation signal to the controller via wireless transmission. Based on the positioning confirmation signal, the beam is lowered into the current position using the lifting device to complete the installation of the beam. When at least one infrared receiver in the infrared receiving matrix fails to receive an infrared signal emitted by at least one infrared transmitter in the infrared transmitting matrix, the infrared receiving matrix sends a positioning failure signal to the controller via wireless transmission. Based on the positioning failure signal, the position of the beam is adjusted using the lifting device.

[0010] Preferably, in the bridge installation and positioning method, the controller is further connected to a display, which is installed in the lifting equipment. The display is used to display, according to the control signal from the controller, the status of infrared signals received by the plurality of infrared receivers in the infrared receiving matrix from the plurality of infrared transmitters in the infrared transmitting matrix.

[0011] Preferably, in the bridge installation positioning method, the positioning failure signal includes the number of the infrared receiver in the infrared receiving matrix that did not receive the infrared signal emitted by the corresponding infrared transmitter in the infrared transmitting matrix; the controller controls the display to display multiple infrared receivers in the infrared receiving matrix, and controls the display to mark the infrared receiver corresponding to the number of the infrared receiver according to the number of the infrared receiver in the positioning failure signal.

[0012] Preferably, in the bridge installation and positioning method, the plurality of infrared transmitters in the infrared emission matrix are arranged in rows and columns, and the spacing between adjacent columns of infrared transmitters is equal; the plurality of infrared receivers in the infrared receiving matrix are arranged in rows and columns, and the spacing between adjacent columns of infrared receivers is equal.

[0013] Preferably, in the bridge installation positioning method, when the n columns of infrared receivers in the infrared receiving matrix do not receive infrared signals emitted by the n columns of infrared transmitters in the infrared transmitting matrix, the infrared receiving matrix sends a positioning failure signal to the controller via wireless transmission; the controller, based on the number of the n columns of infrared receivers in the positioning failure signal, controls the display to mark and display the n columns of infrared receivers corresponding to the number of the n columns of infrared receivers; based on the positioning failure signal, the lifting equipment moves the beam towards the column of infrared transmitters adjacent to the n columns of infrared receivers in the infrared transmitting matrix, and the moving distance d is less than or equal to s, where s = e × n, e is the distance between two adjacent columns of infrared transmitters, n is less than or equal to N, and N is the number of columns of infrared receivers in the infrared receiving matrix.

[0014] Preferably, in the bridge installation and positioning method, the first marking area is used to mark the position corresponding to the center line of the back wall and the beam; the second marking area is used to mark the position of the center line of the beam.

[0015] Preferably, in the bridge installation and positioning method, the infrared emitting matrix is ​​disposed on a first rigid substrate; the infrared receiving matrix is ​​disposed on a second rigid substrate; in step (3), the infrared emitting matrix is ​​pasted on the first marked area with tape; the infrared receiving matrix is ​​pasted on the second marked area with tape.

[0016] The present invention has at least the following beneficial effects:

[0017] This invention provides a bridge installation positioning method, comprising: step (1) determining the installation position information of the beam plate relative to the bridge back wall according to the design scheme; step (2) measuring the installation position of the beam plate relative to the back wall according to the installation position information of the beam plate relative to the back wall, and marking the installation position of the beam plate on the back wall to obtain a first marking area; marking the beam end of the beam plate to obtain a second marking area; step (3) attaching an infrared emission matrix in a removable manner to the first marking area, the infrared emission matrix including a plurality of regularly arranged infrared emitters; attaching an infrared receiving matrix in a removable manner to the second marking area, the infrared receiving matrix including a plurality of regularly arranged infrared receivers; and wherein the arrangement of the plurality of infrared emitters in the infrared emission matrix and the arrangement of the plurality of infrared receivers in the infrared receiving matrix are the same as those in the infrared receiving matrix. The infrared receivers are arranged in the same way; step (4) the beam is lifted by a lifting device, and a controller is set in the lifting device; when all the infrared receivers in the infrared receiving matrix can receive the infrared signals emitted by the infrared transmitters in the infrared transmitting matrix, the infrared receiving matrix sends a positioning confirmation signal to the controller by wireless transmission; according to the positioning confirmation signal, the beam is lowered into the current position by the lifting device to complete the installation of the beam; when at least one infrared receiver in the infrared receiving matrix does not receive the infrared signal emitted by at least one infrared transmitter in the infrared transmitting matrix, the infrared receiving matrix sends a positioning failure signal to the controller by wireless transmission; according to the positioning failure signal, the position of the beam is adjusted by the lifting device. This invention improves the positioning accuracy of the beam relative to the bridge back wall by setting infrared receiver matrices and infrared transmitting matrices on the beam and the bridge back wall respectively, and also helps to improve the installation efficiency of the bridge.

[0018] Other advantages, objectives and features of the present invention will become apparent in part from the following description, and in part from those skilled in the art through study and practice of the invention. Attached Figure Description

[0019] Figure 1 This is a top view schematic diagram of the bridge installation and positioning method in an embodiment of the present invention;

[0020] Figure 2 for Figure 1 A magnified view of part A;

[0021] Figure 3 This is a schematic diagram of the structure of the infrared receiving matrix in an embodiment of the present invention. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings, so that those skilled in the art can implement it based on the description.

[0023] like Figures 1 to 3 As shown, an embodiment of the present invention provides a bridge installation and positioning method, including:

[0024] Step (1) Determine the installation position information of beam 1 relative to bridge back wall 2 according to the design scheme;

[0025] Step (2): Based on the installation position information of the beam plate 1 relative to the back wall 2, measure the installation position of the beam plate 1 on the back wall 2, and mark the installation position of the beam plate 1 on the back wall 2 to obtain a first marking area; mark the beam end of the beam plate 1 to obtain a second marking area;

[0026] Step (3) A removable infrared emission matrix 4 is pasted in the first marked area. The infrared emission matrix 4 includes a plurality of infrared emitters arranged in a regular manner. An infrared receiving matrix 3 is pasted in the second marked area. The infrared receiving matrix 3 includes a plurality of infrared receivers 5 arranged in a regular manner. The arrangement of the plurality of infrared emitters in the infrared emission matrix 4 is the same as the arrangement of the plurality of infrared receivers in the infrared receiving matrix 3.

[0027] Step (4) The beam 1 is lifted using a lifting device, and a controller is installed in the lifting device. When all the infrared receivers 5 in the infrared receiving matrix 3 can receive infrared signals emitted by the infrared transmitters in the infrared transmitting matrix 4, the infrared receiving matrix 3 sends a positioning confirmation signal to the controller via wireless transmission. Based on the positioning confirmation signal, the beam 1 is lowered into the current position using the lifting device to complete the installation of the beam 1. When at least one infrared receiver 5 in the infrared receiving matrix 3 does not receive infrared signals emitted by at least one infrared transmitter in the infrared transmitting matrix 4, the infrared receiving matrix 3 sends a positioning failure signal to the controller via wireless transmission. Based on the positioning failure signal, the position of the beam 1 is adjusted using the lifting device.

[0028] This invention first determines the installation position of the beam in the bridge, specifically its position relative to the back wall, based on the design scheme specified in the construction drawings or documents. Then, according to the determined installation position, marks are made on both the back wall and the beam end, forming two marked areas. Next, infrared transmitting matrices are affixed to the back wall and infrared receiving matrices to the beam end, respectively, according to the two marked areas. Afterward, the beam is lifted, with a controller placed in the lifting equipment, allowing operators to monitor the status of the infrared receiving matrices. When all infrared receivers receive infrared signals, it indicates that the second marked area on the beam end is aligned with the first marked area on the back wall, meaning the beam's current position is as specified in the design scheme. The beam can then be lowered into place, completing the installation. However, if one or more infrared receivers fail to receive infrared signals, it indicates that the beam's current position deviates from the design scheme. Operators can then adjust the beam's position using the lifting equipment until all infrared receivers receive infrared signals.

[0029] Furthermore, after one beam slab is installed, the infrared receiving matrix and infrared transmitting matrix can be removed. The infrared receiving matrix can then be pasted and fixed onto the next beam slab to be installed, and the infrared transmitting matrix can be pasted and fixed onto the back wall at the position corresponding to the installation position of the next beam slab. In other words, the present invention can also reuse the infrared receiving matrix and infrared transmitting matrix, making it very convenient to use.

[0030] In summary, compared with traditional positioning methods based on manual brushing and observation, this invention achieves automatic positioning of the beam slab by setting infrared receiver matrices and infrared transmitter matrices on the beam slab and the bridge back wall respectively, thereby improving the positioning accuracy of the beam slab relative to the bridge back wall. It also helps to improve the installation efficiency of the bridge and allows for the reuse of infrared receiver matrices and infrared transmitter matrices, making it convenient and environmentally friendly to use.

[0031] In a preferred embodiment, in the bridge installation and positioning method, the controller is further connected to a display, which is used to display, according to the control signal of the controller, the status of infrared signals received by the plurality of infrared receivers in the infrared receiving matrix from the plurality of infrared transmitters in the infrared transmitting matrix.

[0032] To further and more accurately display the status of the infrared receiver matrix and provide operators with more detailed information, a display is provided, which is installed in the lifting equipment along with the controller. The operator can see through the display which specific infrared receiver is not receiving an infrared signal and adjust the beam position accordingly. This improves the efficiency of beam positioning.

[0033] In a preferred embodiment, in the bridge installation positioning method, the positioning failure signal includes the number of the infrared receiver in the infrared receiving matrix 3 that did not receive the infrared signal emitted by the corresponding infrared transmitter in the infrared transmitting matrix; the controller controls the display to display multiple infrared receivers 5 in the infrared receiving matrix 3, and controls the display to mark the infrared receiver corresponding to the number of the infrared receiver according to the number of the infrared receiver in the positioning failure signal.

[0034] Specifically, the controller pre-stores the arrangement and numbers of all infrared receivers in the infrared receiver matrix. A positioning failure signal includes the numbers of the infrared receivers in the matrix that did not receive an infrared signal. Based on this signal, the controller can mark these receivers on the display, for example, using circles or different colors. Operators can quickly identify the receivers that did not receive an infrared signal based on the markings on the display and adjust the current position of the beam accordingly.

[0035] In a preferred embodiment, in the bridge installation and positioning method, the plurality of infrared transmitters in the infrared emission matrix 4 are arranged in rows and columns, and the spacing between adjacent columns of infrared transmitters is equal; the plurality of infrared receivers 5 in the infrared receiving matrix 3 are arranged in rows and columns, and the spacing between adjacent columns of infrared receivers is equal.

[0036] The infrared transmitters and receivers are arranged in the same way to ensure that each infrared receiver has a corresponding infrared transmitter.

[0037] The row and column arrangement can be understood as a matrix arrangement, with infrared emitters arranged in rows horizontally and columns vertically.

[0038] In a preferred embodiment, in the bridge installation positioning method, when the n columns of infrared receivers in the infrared receiving matrix 3 do not receive infrared signals emitted by the n columns of infrared transmitters in the infrared transmitting matrix 4, the infrared receiving matrix 3 sends a positioning failure signal to the controller via wireless transmission; the controller, based on the number of the n columns of infrared receivers in the positioning failure signal, controls the display to mark and display the n columns of infrared receivers corresponding to the number of the n columns of infrared receivers; based on the positioning failure signal, the lifting equipment moves the beam 1 in the direction of the column of infrared transmitters adjacent to the n columns of infrared receivers in the infrared transmitting matrix 4, and the moving distance d is less than or equal to s, where s = e × n, e is the distance between two adjacent columns of infrared transmitters, n is less than or equal to N, and N is the number of columns of infrared receivers in the infrared receiving matrix 3.

[0039] The operator can determine the approximate distance to move beam 1 based on the position of the infrared receivers that did not receive infrared signals in the infrared receiving matrix 3 and the column spacing of the infrared receiving matrix 3 (or the column spacing of the infrared transmitting matrix, which are equal). For example, if the rightmost column of infrared receivers in the infrared receiving matrix 3 did not receive infrared signals, the operator should move beam 1 to the left by a distance less than or equal to 'e'. That is, the distance beam 1 deviates from may be less than the column spacing of the infrared receiving matrix 3, or it may be exactly one column of the infrared receiving matrix 3. The operator adjusts the position of beam 1 based on the calculated 's' as a reference.

[0040] In a preferred embodiment, in the bridge installation positioning method, the first marking area is used to mark the position corresponding to the center line of the back wall 2 and the beam 1; the second marking area is used to mark the position of the center line of the beam 1.

[0041] Using the centerline of beam 1 as the second marking area helps to improve the accuracy of beam 1 positioning.

[0042] In a preferred embodiment, in the bridge installation and positioning method, the infrared emitting matrix 4 includes a first rigid substrate, and the plurality of infrared emitters are disposed on the first rigid substrate; the infrared receiving matrix 3 includes a second rigid substrate 6, and the plurality of infrared receivers 5 are disposed on the second rigid substrate 6; in step (3), the infrared emitting matrix 4 is pasted to the first marked area with tape; the infrared receiving matrix 3 is pasted to the second marked area with tape.

[0043] The first and second rigid substrates 6 can be plastic sheets to support the infrared transmitter and receiver. Concrete-compatible tape can be used to attach the infrared receiver matrix 3 to the beam slab 1 and the infrared transmitter matrix 4 to the back wall 2.

[0044] Although embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Other modifications can be readily made by those skilled in the art. Therefore, without departing from the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details and examples shown and described herein.

Claims

1. A method of positioning a bridge installation, characterized by, The method comprises the following steps: Step (1) determining the installation position information of the beam slab relative to the back wall of the bridge according to the design scheme; Step (2) measuring the installation position of the beam slab on the back wall according to the installation position information of the beam slab relative to the back wall, marking the installation position of the beam slab on the back wall to obtain a first marking area, and marking the beam end of the beam slab to obtain a second marking area; Step (3) pasting an infrared emission matrix in the first marking area in a removable manner, wherein the infrared emission matrix comprises a plurality of infrared emitters arranged in a regular manner; Step (4) pasting an infrared receiving matrix in the second marking area in a removable manner, wherein the infrared receiving matrix comprises a plurality of infrared receivers arranged in a regular manner; The arrangement manner of the plurality of infrared emitters in the infrared emission matrix is the same as the arrangement manner of the plurality of infrared receivers in the infrared receiving matrix; Step (4) hoisting the beam slab by a hoisting device, wherein a controller is arranged in the hoisting device; when the plurality of infrared receivers in the infrared receiving matrix can all receive the infrared signals emitted from the plurality of infrared emitters in the infrared emission matrix, the infrared receiving matrix sends a positioning confirmation signal to the controller in a wireless transmission manner; According to the positioning confirmation signal, the beam slab is lowered to the current position by the hoisting device to complete the installation of the beam slab; when at least one infrared receiver in the infrared receiving matrix fails to receive the infrared signal emitted from at least one infrared emitter in the infrared emission matrix, the infrared receiving matrix sends a positioning failure signal to the controller in a wireless transmission manner; According to the positioning failure signal, the position of the beam slab is adjusted by the hoisting device; the plurality of infrared emitters in the infrared emission matrix are arranged in a row-column manner, and the spacing between adjacent two columns of infrared emitters is equal; The plurality of infrared receivers in the infrared receiving matrix are arranged in a row-column manner, and the spacing between adjacent two columns of infrared receivers is equal; When n columns of infrared receivers in the infrared receiving matrix fail to receive the infrared signals emitted from n columns of infrared emitters in the infrared emission matrix, the infrared receiving matrix sends a positioning failure signal to the controller in a wireless transmission manner; The controller controls a display to mark and display n columns of infrared receivers corresponding to the number of the n columns of infrared receivers according to the number of the n columns of infrared receivers in the positioning failure signal; According to the positioning failure signal, the beam slab is moved by the hoisting device in a direction pointing to a column of infrared emitters adjacent to the n columns of infrared receivers in the infrared emission matrix, and the moving distance d is less than or equal to s, wherein s=e×n, e is the spacing between adjacent two columns of infrared emitters, and n is less than or equal to N, wherein N is the number of columns of infrared receivers in the infrared receiving matrix; The controller is also connected with a display, which is arranged in the hoisting device, and is used to display the situation that the plurality of infrared receivers in the infrared receiving matrix receive infrared signals from the plurality of infrared emitters in the infrared emitting matrix according to the control signal of the controller; The positioning failure signal includes the number of the infrared receiver in the infrared receiving matrix which does not receive the infrared signal emitted by the corresponding infrared emitter in the infrared emitting matrix; the controller controls the display to display the plurality of infrared receivers in the infrared receiving matrix, and controls the display to mark and display the infrared receiver corresponding to the number of the infrared receiver according to the number of the infrared receiver in the positioning failure signal; The first marking area is used to mark the position corresponding to the center line of the beam slab; and the second marking area is used to mark the position of the center line of the beam slab; The infrared emitting matrix is arranged on a first hard base material; the infrared receiving matrix is arranged on a second hard base material; and in the step (3), the infrared emitting matrix is pasted on the first marking area by adhesive tape; and the infrared receiving matrix is pasted on the second marking area by adhesive tape.

Citation Information

Patent Citations

  • Portable precast beam mounting device

    CN111308572A

  • Prefabricated part auxiliary hoisting system

    CN212374739U