External locking device flaw detector

A technology of external locking and flaw detector, which is applied in transportation and packaging, railway vehicle shape measuring instrument, using sonic/ultrasonic/infrasonic waves to analyze solids, etc. Complicated and other problems, to achieve the effect of easy portability, high reliability, and few accessories

Active Publication Date: 2014-07-16
CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no testing standard for the non-destructive testing of the external locking device of the turnout, and the detection method of the general-purpose flaw detector cannot meet the requirements such as the complex shape of the external locking parts and the difficult operation of the detection position, so there is no mature special flaw detector

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Embodiment Construction

[0014] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] The composition principle of the flaw detector system for the outer locking device of the turnout used in this embodiment is as follows: figure 1 shown. The flaw detector is composed of an industrial-grade computer, an ultrasonic acquisition card 2 and an ultrasonic sensor 1. The data interface module 3, the digital filtering and intelligent compensation module 4, the coupling state judgment module 7, and the intelligent detection point selection module 8 are realized through the software installed in the computer. , detection feature automatic setting module 5, defect assessment expert module 9, manual detection module 6, information input and setting module 11, automatic recording and query module 10, information display module 12, data storage module 13.

[0016] The ultrasonic sensor is a straight probe and a 60° ultrasonic oblique probe, a...

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Abstract

The invention discloses an external locking device flaw detector which comprises a data acquisition device and a central processing unit, and is characterized in that the data acquisition device comprises an ultrasonic acquisition card and an ultrasonic sensor, wherein the ultrasonic acquisition card drives the ultrasonic sensor; the ultrasonic sensor detects state information of an external locking device and transmits the state information to the ultrasonic acquisition card; the ultrasonic acquisition card is used for performing signal amplification, performing analog / digital (A / D) conversion operation and transmitting the signal to the central processing unit. According to the flaw detector, online flaw detection can be performed, external locking is not removed, the field labor intensity is reduced, the equipment is simple and convenient in configuration and fewer in accessories, the requirements on rapidness, accuracy and high reliability are met, and the external locking device flaw detector has high system function extensibility, is convenient to carry and is particularly suitable for a work area of a basic workshop.

Description

technical field [0001] The invention relates to a flaw detector for an external locking device of a railway turnout. Background technique [0002] With the comprehensive construction and operation of high-speed railways, turnouts are an important part of the high-speed railway track system, and turnout switching equipment is an important basic safety equipment, which is directly related to the safety of railway transportation. However, there are no relevant standards and instruments for non-destructive testing of switching equipment such as external locking devices of turnouts at home and abroad. Non-destructive testing, as an advanced and mature online testing method, has been widely used in the railway industry at home and abroad. Especially for different product applications, through the study of its damage mechanism, the testing standards and technical conditions have been formulated, and the developed Specialized and automated testing equipment and techniques have grea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/04B61K9/10
Inventor 刘振华黄天新孙晓勇谢中理王文龙白锡彬董婧
Owner CRSC RESEARCH & DESIGN INSTITUTE GROUP CO LTD
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