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Steel rail ultrasonic on-line detection system and control method thereof

A detection system, ultrasonic technology, applied in the direction of using sound waves/ultrasonic waves/infrasonic waves to analyze solids, etc., can solve problems such as single performance, and achieve the effects of short inspection time, high precision, and good reproducibility

Active Publication Date: 2014-07-02
四川曜诚无损检测技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of the current flaw detection device using ultrasonic waves is relatively simple. For example, Chinese patent CN200810137486.8 discloses a rapid scanning method and device for rail tread defects. Inspection of rail head tread, left and right side rail heads, rail bottom and rail waist

Method used

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  • Steel rail ultrasonic on-line detection system and control method thereof
  • Steel rail ultrasonic on-line detection system and control method thereof

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Embodiment

[0029] Such as figure 1 , figure 2 Shown: an ultrasonic online detection system for rails, the equipment includes a bracket 1, a roller table 2, a rail head tread landing gear 3, a rail bottom landing gear 4, a rail head right landing gear 5, a rail head left landing gear 6, Landing gear 7 on the left side of the rail waist, No. 1 through-beam photoelectric, No. 2 through-beam photoelectric, No. 3 through-beam photoelectric, No. 4 through-beam photoelectric, rail position detection device, controller and ultrasonic detector. The roller table 2 is arranged on the support 1, and the roller table 2 includes an inlet port 21 and an outlet port 22. When the rail is normally detected, it enters from the inlet port 21 and goes out from the outlet port 22. It is the opposite when pouring steel. For safety protection, a rail shape sensing device 8 for sensing the shape of the rail track is provided on the bracket 1 at the inlet end 21 of the roller table 2 . The rail shape sensing d...

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Abstract

The invention provides a rail ultrasonic on-line detection system and its control method. The equipment includes a bracket, a roller table, a rail head tread landing gear, a rail bottom landing gear, a rail head right landing gear, a rail head left landing gear, and a rail waist Left landing gear, ultrasonic probe, No. 1 through-beam photoelectric, No. 2 through-beam photoelectric, No. 3 through-beam photoelectric, No. 4 through-beam photoelectric, rail position detection device, rail shape detection device, controller and ultrasonic detector; When the through-beam photoelectric senses the rail, the controller controls the corresponding landing gear to move up and down, thereby driving the ultrasonic probe installed on the landing gear to realize the flaw detection of each part of the rail. When a defect is detected inside the rail, the rail position detection The device outputs the specific position of the defect on the rail, and stops the flaw detection. It has the outstanding advantages of wide detection range, fast detection speed and high detection accuracy.

Description

technical field [0001] The invention relates to the field of rail flaw detection, in particular to an ultrasonic on-line rail detection system and a control method thereof. Background technique [0002] my country's rail traffic is busy, and the safety of rail traffic is of great importance. The quality of rails is directly related to driving safety. Defects on the rail material, such as dark cores, small cracks, voids or impurities, gradually develop into a source of fatigue through repeated loads of the wheels, and continue to expand to the inside of the rail head, so that the effective cross-section of the rail is quickly weakened, and finally A broken track will have serious consequences. [0003] In order to ensure the safety of railway transportation, the steel rails must be strictly inspected one by one before leaving the factory, and only when they meet the inspection standards stipulated by the state can they be put into use. At present, the commonly used flaw de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/04
Inventor 刘长青袁刚强张红亮
Owner 四川曜诚无损检测技术有限公司
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