Wheel type probe capable of detecting rail bottoms

A wheeled probe and rail bottom technology, used in measuring devices, materials analysis using sonic/ultrasonic/infrasonic waves, instruments, etc., can solve the problem of lack of rail bottom damage detection ability, etc. The effect of the scan range

Inactive Publication Date: 2016-10-26
CHINA ACADEMY OF RAILWAY SCI CORP LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high-speed wheel probe in this scheme, some of the probes in the combined probe 5 are specially used to detect the damage of the rail waist and the bolt hole damage in the rail, but it does not have the ability to detect the damage of the rail bottom

Method used

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  • Wheel type probe capable of detecting rail bottoms
  • Wheel type probe capable of detecting rail bottoms
  • Wheel type probe capable of detecting rail bottoms

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Embodiment Construction

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0026] Please refer to Figure 4 to Figure 5 As mentioned above, the present invention specifically provides a wheeled probe that can detect the bottom of the rail, and the wheeled probe includes: a fixed module, a main 45-degree transducer 10011, a secondary 45-degree transducer 10012, and a 0-degree transducer 1002 and 70-degree transducer 1003; the main 45-degree transducer 10011, the secondary 45-degree transducer 10012, the 0-degree transducer 1002 and the 70-degree transducer 1003 pass through the fixed module Fixed on the wheel probe; the main 45-degree trans...

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Abstract

The invention provides a wheel type probe capable of detecting rail bottoms. The wheel type probe comprises a fixing module, a main 45-degree transducer, an auxiliary 45-degree transducer, a 0-degree transducer and a 70-degree transducer. The main 45-degree transducer, the auxiliary 45-degree transducer, the 0-degree transducer and the 70-degree transducer are fixed onto a wheel type probe body by the aid of the fixing module; the main 45-degree transducer is used for transmitting ultrasonic waves to rail waist regions and rail bottom regions and receiving ultrasonic waves reflected by the rail waist regions and the rail bottom regions; the auxiliary 45-degree transducer is used for receiving ultrasonic waves reflected by the rail bottom regions; the 0-degree transducer is used for perpendicularly transmitting ultrasonic waves to steel rail treads, receiving ultrasonic waves reflected by the steel rail treads, rail head regions, the rail waist regions and the rail bottom regions and monitoring states of the wheel type probe body; the 70-degree transducer is used for transmitting ultrasonic waves to the rail head regions and receiving ultrasonic waves reflected by the rail head regions.

Description

technical field [0001] The invention relates to the field of non-destructive testing of in-service rail lines, in particular to a wheel probe capable of detecting rail bottoms. Background technique [0002] Transverse fatigue cracks in the triangular area of ​​the bottom of the rail are extremely harmful and develop rapidly, leading to rail breakage in severe cases. The in-service rail is in the laying state, and ultrasonic flaw detection can only be carried out from the rail tread. Due to the different defect types, locations, and orientations, transducers with multiple channels need to be configured for multi-angle scanning. The conventional practice is to detect horizontal cracks in the 0-degree channel, detect rail head nuclear damage in the 70-degree channel, and detect screw hole cracks in the 45-degree channel. Usually, the rail ultrasonic inspection system needs to be equipped with 0-degree channel, forward / backward 45-degree channel, and forward / backward 70-degree...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/24
CPCG01N29/2493G01N2291/0289G01N2291/2623
Inventor 马运忠张玉华石永生李培钟艳春熊龙辉
Owner CHINA ACADEMY OF RAILWAY SCI CORP LTD
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