Detection system and method for wear defects of track

A defect detection and rail technology, applied in the direction of optical testing flaws/defects, etc., can solve problems such as difficult to apply real-time online measurement of rails, and achieve the effects of strong adaptability, high measurement accuracy and low cost

Active Publication Date: 2015-12-02
成都晟甲科技有限公司 +1
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Problems solved by technology

This technology is generally used to detect surface defects of flat steel plates such as hot-rolled plates, but because the actual rail surface is usually not smooth, this technology is difficult to apply to real-time on-line measurement of rails

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  • Detection system and method for wear defects of track
  • Detection system and method for wear defects of track
  • Detection system and method for wear defects of track

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0035] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0037] Such as figure 1 As shown, a rail wear defect detection system is installed on the rail inspection vehic...

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Abstract

The invention discloses a detection system and method for wear defects of a track, belonging to the field of wear detection. The detection system and method for wear defects of the track have high measurement precision, high work efficiency and strong adaptive capacity to environments. The system is installed on a track inspection car and used for defect detection of tracks on a to-be-inspected section; a plurality of nodes are arranged on the to-be-inspected section, and each node corresponds to a standard three-dimensional model; three-dimensional reconstruction is carried out on the surface of the tracks by using a structured light sensor; a processing unit compares a three-dimensional point cloud obtained by the structured light sensor with a corresponding standard three-dimensional model, detection is carried out so as to obtain absolute wear loss of the tracks, and a defect area is marked; all the three-dimensional point clouds are spliced via the processing unit so as to obtain a complete three-dimensional cloud picture; so the system has strong adaptive capacity to environments. The detection method for wear defects of the track has the advantages of high measurement precision and low cost.

Description

technical field [0001] The invention relates to the field of wear detection, in particular to a rail wear defect detection system and method. Background technique [0002] The existing rail wear measurement technology includes contact and non-contact measurement. Contact measurement means that the detection process is carried out when the detection equipment and the rail are relatively stationary. [0003] Contact measurement can be divided into two categories: mechanical measurement and electronic measurement. Mechanical measurement uses mechanical equipment (such as vernier calipers, etc.) to achieve manual contact measurement. The German RM1200 waveform wear detection equipment is a typical mechanical equipment. Although this type of method is simple to operate and low in cost, its operating efficiency is low and the labor intensity is high. Electronic measurement uses sensors (such as photoelectric sensors or displacement sensors) as the medium to indirectly measure t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
Inventor 周剑徐一丹陆宏伟龙学军
Owner 成都晟甲科技有限公司
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