Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Automatic inspection method for structure size of arc hinge joint of assembled culvert segment

An automatic inspection and assembly technology, applied in 3D image processing, image data processing, instruments, etc., can solve the problems of low measurement efficiency, high measurement difficulty, and low measurement accuracy, and achieve the goal of improving accuracy and reducing measurement workload Effect

Pending Publication Date: 2020-02-21
杭州都市高速公路有限公司 +1
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an automatic inspection method for the structural size of the arc-shaped hinge joint of the assembled culvert segment in order to overcome the above-mentioned defects in the prior art, and to solve the problem of manual inspection and acceptance of the size of the arc-shaped hinge joint component of the culvert segment. Difficulty, low measurement efficiency and low measurement accuracy

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Automatic inspection method for structure size of arc hinge joint of assembled culvert segment
  • Automatic inspection method for structure size of arc hinge joint of assembled culvert segment
  • Automatic inspection method for structure size of arc hinge joint of assembled culvert segment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0034] The present invention provides an automatic inspection method for the structural size of the arc-shaped hinge joint 7 of the assembled culvert segment. The method records the shape data of the assembled culvert segment 1 by taking photos, and then reconstructs and generates a point cloud of the structure of the arc-shaped hinge joint 7 model, select the local feature points and match the point cloud model of the curved joint 7 with the corresponding reference points on the design model, compare the error between the point cloud model and the design model, and realize the prefabricated culvert Automatic detection of structural dimensions of segment arc hinge joint 7.

[0035] Such as figure 1 shown, including the following steps:

[0036] S1) Obtain the point cloud model constructed by the arc hinge joint 7, and import the design model;

[0037] S2) pick up the feature points of the point cloud model and the reference points of the design model;

[0038] S3) pairing t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an automatic inspection method for the structure size of an arc hinge joint of an assembled culvert segment, and the method comprises the following steps: S1) generating a point cloud model of an arc hinge joint structure, and importing the point cloud model into a design model; S2) picking up the feature points of the point cloud model and the reference points of the design model; S3) pairing the feature points with the reference points according to a position relationship; S4) registering the point cloud model and the design model; S5) calculating errors of all points in the point cloud model; and S6) judging whether the arc-shaped hinge joint structure size meets the requirement or not according to the maximum value and the minimum value of the obtained errors.Compared with the prior art, the method has advantages of high detection precision and high efficiency.

Description

technical field [0001] The invention relates to the field of detection of assembly-type bridge and culvert components, in particular to an automatic inspection method for the structural dimensions of arc-shaped hinge joints of assembly-type culvert segments. Background technique [0002] Prefabricated bridges and culverts are a major trend in the development of bridge and culvert construction in the future. They have the advantages of patterned construction, precise construction, and rapid construction. Manufacturing quality of components. [0003] At present, the measurement and inspection of the size of prefabricated components mainly uses measuring equipment such as rulers, tape measures or standard templates. This method can only describe the manufacturing accuracy of the selected measurement position, but cannot reflect the real size deviation of the three-dimensional layer of the local structure of the component, and the measurement workload is large and the efficienc...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G06T15/00G06F30/20G06F113/20
CPCG06T15/005
Inventor 王伟力石雪飞应军志朱荣徐梓齐
Owner 杭州都市高速公路有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com