Method for verifying steel-rail flaw detection

A verification method, rail flaw detection car technology, applied in the field of rail flaw detection verification, can solve the problems of high test cost, lack of verification means for rail flaw detection analysis system, and easy to be restricted by the environment, so as to achieve good repeatability, low construction cost and simple process Effect

Inactive Publication Date: 2018-07-24
ZHUZHOU TIMES ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of this, the object of the present invention is to provide a rail flaw detection verification method to overcome the technical problems of lack of verification means, high test cost and environmental constraints in the existing rail flaw detection verification method for the rail flaw detection analysis system

Method used

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  • Method for verifying steel-rail flaw detection
  • Method for verifying steel-rail flaw detection
  • Method for verifying steel-rail flaw detection

Examples

Experimental program
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Embodiment 1

[0045] as attached figure 2 As shown, a specific embodiment of the rail flaw detection verification system based on the method of the present invention, the rail flaw detection verification system 3 includes:

[0046] The detection system simulation computer 1 is connected with the rail flaw detection and analysis system computer 2 through Ethernet. The detection system simulation computer 1 is used to set and store rail damage maps, and to simulate faulty rails 40 . During the simulation test, the running speed of the locomotive (rail flaw detection vehicle 50 ) is set to simulate the operation of the rail flaw detection vehicle 50 . According to the running speed of the rail flaw detection vehicle 50, the ultrasonic emission frequency is determined. According to the running position of the rail flaw detection vehicle 50 and the structure of the (ultrasonic detection) probe wheel 30, the detection spatial position of each (ultrasonic piezoelectric) chip 5 is determined. A...

Embodiment 2

[0065] as attached Figure 6 As shown, a specific embodiment of the rail flaw detection verification method of the present invention includes the following steps:

[0066] S10) set and store the rail damage map by using the fault characteristic point 4 through the detection system simulation computer 1, digitally simulate the rail 40 of the fault according to the unit length;

[0067] S20) Setting the running speed of the rail flaw detection vehicle 50 through the detection system simulation computer 1, simulating the operation of the rail flaw detection vehicle 50, and according to the current position of the rail flaw detection vehicle 50 running, combined with the structure of the detection wheel 30, the position of each chip 5 when the ultrasonic wave is emitted is obtained ;

[0068] S30) Detection system simulation computer 1 simulates (rail flaw detection) detection system working principle, determines the ultrasonic emission area of ​​the chip 5 according to the posit...

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Abstract

The invention discloses a method for verifying steel-rail flaw detection. The method comprises the following steps that a detection-system simulation computer adopts fault characteristic points to setsteel-rail flaw diagrams; the detection-system simulation computer sets the running speed of a steel-rail flaw detecting car, to obtain positions of all wafers when ultrasonic waves are transmitted in combination with detecting-wheel structures according to the current running position of the steel-rail flaw detecting car; the detection-system simulation computer determines ultrasonic-wave transmitting areas of the wafers according to the positions and lengths of all the wafers to generate simulation data of ultrasonic-wave echo parameters in sequence; the detection-system simulation computertransmits the simulation data to a steel-rail flaw detection analysis system computer; the steel-rail flaw detection analysis system computer carries out space transformation in combination with thedetecting-wheel structures according to the simulation data to generate detected flaw diagrams arranged according to the spatial positions and carry out verification. The method disclosed by the invention has the beneficial effects that the technical problems of lack of verification means for the steel-rail flaw detection analysis system, high testing cost and easy environmental constraint in theexisting steel-rail flaw detection verification mode are overcome, and the working performance of the analysis system can be verified at any time and any place.

Description

technical field [0001] The invention relates to electrical equipment for railway engineering machinery, in particular to a rail flaw detection verification method using an ultrasonic detection method, which is applied in the field of railway engineering and maintenance vehicles. Background technique [0002] In the field of railway engineering and maintenance vehicles, the ultrasonic rail flaw detection vehicle 50 is widely used in the flaw detection and maintenance of rails. as attached figure 1 As shown, an ultrasonic rail flaw detection system generally includes: a rail flaw detection detection system 10 arranged on a rail flaw detection vehicle, a rail flaw detection analysis system 20, and a detection wheel 30 arranged at the lower part of the rail flaw detection vehicle. When a rail flaw detection operation is required, the rail flaw detection vehicle controls the probe wheel 30 to press on the upper surface of the rail 40, and the rail flaw detection detection system...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): G01N29/44
CPCG01N29/4472G01N2291/2623
Inventor杨四清凌浩东谭勇祝长春隋成龙曹经纬刘红霞欧阳亮
OwnerZHUZHOU TIMES ELECTRONICS TECH CO LTD