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BIM-based AR lofting method and system for on-site support and hanger point location

A technology of support and hanger and point position, which is applied in geometric CAD, data processing applications, instruments, etc., can solve the problems of low quality and precision, and achieve the effect of high precision, fast speed and simple operation

Pending Publication Date: 2022-01-11
THE THIRD CONSTR CO LTD OF CHINA CONSTR THIRD ENG BUREAU
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides a BIM-based AR lofting method and system for on-site support and hanger points, which solves the above-mentioned technical problem of low quality accuracy when the traditional support and hanger point positioning adopts manual methods

Method used

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  • BIM-based AR lofting method and system for on-site support and hanger point location

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Embodiment Construction

[0030] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention. In the following paragraphs the invention is described more specifically by way of example with reference to the accompanying drawings. Advantages and features of the present invention will be apparent from the following description and claims. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0031] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be direc...

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Abstract

The invention relates to the technical field of building construction, in particular to a BIM-based AR lofting method and system for on-site support and hanger point locations. The method comprises the following steps that a BIM model of a construction site and supports and hangers are obtained; rooting point positions of the BIM model are sorted and marked, the BIM model is imported into an AR photographing laser device, the BIM model is matched with an AR photographing site environment, and the matched rooting points of all the supports and hangers in the photographed site environment are found; and the matched rooting points are shot into the site in a laser mode so as to guide construction. The on-site support hanger point location positioning scheme is easy to operate, high in precision and high in speed. The content of the BIM model can be projected into a field environment through laser by utilizing an AR lofting technology so as to guide construction. The technology can be applied to support and hanger construction assistance of most construction sites only by developing the AR photography laser device which is provided with a processor and can process the BIM model at a time. On-site labor is saved, and the precision of on-site construction of the supports and hangers is improved.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a BIM-based AR lofting method and system for on-site support and hanger points. Background technique [0002] In the past, before building construction work, construction personnel needed to spend a lot of time to consult the national industry specifications, design drawings, technical specifications of the owner unit, equipment operation instruction manual and other materials. During the entire construction process, there was no suitable guidance information. There is no reasonable and effective way to control the construction period and cost, and there are various deficiencies in construction safety. [0003] Especially in the process of building construction, when guiding and installing on-site supports and hangers, not only high precision is required, but also the speed of disassembly and assembly must be fast. The traditional support and hanger point positioni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/16G06F30/13
CPCG06Q10/06312G06Q10/06313G06Q50/16G06F30/13
Inventor 许立艾成正茂覃兆珍王浩宇闫志奇齐鸣孙炎彬
Owner THE THIRD CONSTR CO LTD OF CHINA CONSTR THIRD ENG BUREAU
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