CN202886332U - Multichannel ultrasonic flaw detection system for railway vehicle wheel online flaw detection - Google Patents
Multichannel ultrasonic flaw detection system for railway vehicle wheel online flaw detection Download PDFInfo
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- CN202886332U CN202886332U CN 201220366091 CN201220366091U CN202886332U CN 202886332 U CN202886332 U CN 202886332U CN 201220366091 CN201220366091 CN 201220366091 CN 201220366091 U CN201220366091 U CN 201220366091U CN 202886332 U CN202886332 U CN 202886332U
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Abstract
The utility model relates to a multichannel ultrasonic flaw detection system for railway wheel online flaw detection. The system comprises a host machine, a flaw detection machine, a front arranged control machine, a front arranged transmitting and receiving machine, an ultrasonic probe and a position sensor; the host machine is connected with the flaw detection machine through a network; the flaw detection machine is connected with the front arranged control machine; and the front arranged control machine is connected with the ultrasonic probe through the front arranged transmitting and receiving machine, and is synchronously connected with a position sensor which detects that vehicle wheels enter or leave away from a flaw detection region. The system can achieve vehicle wheel online flaw detection with high accuracy and high flexibility, improve the accuracy and reliability of flaw detection, and improve the working efficiency of instruments.
Description
Technical field
The utility model relates to a kind of multichannel ultrasonic inspection field, particularly relates to a kind of multiple path ultrasonic flaw detector for the railway wheel line flaw detection.
Background technology
Along with the future development of transportation by railroad towards high speed, heavy duty, wheel is as the running part of key, and its service condition is more and more severeer, and it is large that suffered shock load in service and fatigue load also become thereupon.For guarantee driving safety must have a kind of efficient detection method or equipment, to carry out fast online ultrasound examination at the labour locomotive car wheel.The present domestic two kinds of wheel line flaw detection equipment that have, a kind of equipment is to adopt the electromagnetic acoustic technology, this technology can only detect the wheel tread superficial defects, can not satisfy the requirement of flaw detection.Another kind of equipment is to adopt the piezoelectric supersonic wave technology, can satisfy wheel tread and inner flaw detection.Adopt the wheel line flaw detection system specific implementation method of piezoelectric supersonic wave technology to be: on steel rail line, choose one section length more than 4 meters as the flaw detection district, ultrasonic echography linear transducer array more than 200 is installed near two rail altogether, and utilizing multiple path ultrasonic flaw detector to excite with wheel has the ultrasonic probe that contacts to detect a flaw.But present multichannel ultrasonic fault detection system is owing to adopt traditional hyperchannel inspection technique; departure to each ultrasonic probe working time is larger; be difficult to avoid the phase mutual interference between the work ultrasonic probe, often can occur leaking and visit and wrong report, have a strong impact on equipment dependability.
Summary of the invention
For improving above the deficiencies in the prior art, the utility model proposes a kind of multiple path ultrasonic flaw detector for the railway wheel line flaw detection.
The purpose of this utility model is achieved through the following technical solutions:
A kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection, comprise main frame, defectoscope, preposition controller, lead launch receiver, ultrasonic probe, position transducer, described main frame is connected with defectoscope by network, described defectoscope is connected with preposition controller, this preposition controller is connected with ultrasonic probe by the lead launch receiver, enters with the position transducer that is connected the flaw detection district with detecting wheel simultaneously to be connected.
Described defectoscope, preposition controller, lead launch receiver, ultrasonic probe and position transducer are divided into two groups symmetrically, survey respectively the wheel that passes through on two rail, and the fully electric isolation of these two groups of equipment to guarantee between two rail the being electricity isolation.
Described defectoscope is connected with preposition controller, the lead launch receiver parameters is set and receives ultrasonic signal by preposition controller, this preposition controller is connected with ultrasonic probe by the lead launch receiver, enters with the position transducer that is connected the flaw detection district with detecting wheel simultaneously to be connected.
Described main frame is installed in the operation room away from detecting area, and defectoscope is installed between near the control of detecting area rail, and other assembly is installed between two rail of detecting area, and operation room can away between control, be used network connection between them.
Described lead launch receiver is connected with ultrasonic probe, receives ultrasound wave by the ultrasonic probe emission, and the ultrasonic signal that receives is carried out preposition amplification.
Described preposition controller is determined the position of wheel according to the detectable signal of receiving position sensor, and then the ultrasonic probe passage of control lead launch receiver selection correspondence and the preposition amplifying parameters of this passage, simultaneously the ultrasonic signal that receives is transferred to defectoscope.
Described lead launch receiver is four of every rail installed inside, and each lead launch receiver is separate, controls respectively four groups of ultrasonic probes and launches reception ultrasound wave and the preposition amplification of ultrasonic signal.
Described ultrasonic probe is installed in the inboard of detecting area rail with being divided equally, and the ultrasonic probe of every rail examination district installation is divided into four groups, and is separate between each group, is connected with a lead launch receiver separately, and each ultrasonic probe is independently set flaw detection sensitivity.
The corresponding position transducer of described each ultrasonic probe, ultrasonic probe and position transducer installation site line are perpendicular to rail, the position transducer detecting wheel enters corresponding ultrasonic probe flaw detection district signal, and signal is transferred to the ultrasonic probe work of preposition controller control respective channel.
The utility model has the advantage of:
Can realize high precision, highly sensitive wheel line flaw detection, improve accuracy and the reliability of flaw detection, improve the work efficiency of instrument.
Description of drawings
Fig. 1 is the structural representation of the multichannel ultrasonic fault detection system that is used for the railway wheel line flaw detection in the utility model.
Illustrate: the 1-main frame, the 2-defectoscope, the preposition controller of 3-, 4-lead launch receiver, the 5-ultrasonic probe, the 6-position transducer, the 7-detecting area, the 8-rail, the 9-netting twine, the 10-operation room is between 11-control.
Embodiment
Wheel line flaw detection system installs several ultrasonic echographies probes to consist of flaw detection and distinguish in the zone of two rail certain-lengths, wheel can be realized the flaw detection in the whole circumference range of wheel after by this flaw detection district.As shown in Figure 1, a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection, this system comprises a main frame 1, two defectoscopes 2, two preposition controllers 3 and eight lead launch receivers 4, and several ultrasonic probes 5 and the position transducer 6 that equates with ultrasonic probe quantity.
Described main frame 1: utilize network to receive the result of detection of two defectoscopes, gather, demonstration, preservation and result.
Described defectoscope 2: receive the ultrasonic signal of front end processor output, carry out controllable gain and amplify, carry out analog to digital conversion, and digitized ultrasonic signal processed obtain result of detection.Present embodiment uses two defectoscopes respectively to the detecting flaw of wheel on two rail, these two defectoscopes isolation, and result of detection gathers and processes to main frame by Internet Transmission, and system can use on the line.
Described preposition controller 3: the detectable signal of receiving position sensor, channel selecting and the preposition amplifying parameters of control lead launch receiver.
Described lead launch receiver 4: the passage of selecting is launched reception ultrasound wave and the preposition amplification of ultrasonic signal.
Described ultrasonic probe 5: produce ultrasonic signal, and receive the ultrasonic signal that reflects.Article one, the ultrasonic probe on the rail is divided into four groups, and every group of independently control service aisle and data acquisition can be satisfied the situation that has at most three wheels to enter simultaneously the flaw detection district.Each ultrasonic probe has independently transceiver circuit, and the independent flaw detection sensitivity of setting can improve the sensitivity of flaw detection and to the resolution characteristic of defective, avoid consequent wrong report.Each ultrasonic probe adopts a position transducer detecting wheel to enter and leave the time of the effective inspected area of ultrasonic probe, avoids visiting and wrong report because locating the inaccurate leakage that produces.
Described position transducer 6: detecting wheel enters corresponding ultrasonic probe flaw detection district signal, and result of detection is transferred to preposition controller carries out passage control.
During system works, no matter train sails flaw detection district 7 into from which direction of rail 8, the position transducer 6 of optional position detects wheel, preposition controller 2 just can be determined corresponding ultrasonic probe 5 numberings, and by 4 these ultrasonic probe 5 continuous workings of driving of lead launch receiver, until wheel leaves this ultrasonic probe 5 positions, the ultrasonic probe 5 that does not detect position transducer 6 correspondences of wheel is in holding state.Corresponding ultrasonic probe 5 and position transducer 6 must be installed in same position to guarantee the accurate of 5 working times of ultrasonic probe.Each assembly of system other assembly except main frame 1 is divided into two groups symmetrically, respectively the wheel on two rail is detected a flaw and the data processing, and be that electricity is isolated between these two parts, to avoid short circuit between two rail, be connected on the main frame 1 by netting twine 9 at last.Four module concurrent workings of one group of lead launch receiver 4, independent control service aisle, after having a plurality of wheels (maximum three) to enter flaw detection district 7, each wheel correspondence is lead launch receiver 4 modules independently.Transceiver circuit and the preposition amplification of each ultrasonic probe 5 correspondence are independently, can guarantee like this flaw detection sensitivity and the resolving power of each ultrasonic probe 5.
Should be appreciated that the above detailed description of technical scheme of the present invention being carried out by preferred embodiment is illustrative and not restrictive.Those of ordinary skill in the art is reading on the basis of instructions of the present invention and can make amendment to the technical scheme that each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. multichannel ultrasonic fault detection system that is used for the railway wheel line flaw detection, it is characterized in that, this system comprises main frame (1), defectoscope (2), preposition controller (3), lead launch receiver (4), ultrasonic probe (5), position transducer (6), described main frame (1) is connected with defectoscope (2) by network, described defectoscope (2) is connected with preposition controller (3), this preposition controller (3) is connected with ultrasonic probe (5) by lead launch receiver (4), enters with the position transducer (6) that is connected the flaw detection district with detecting wheel simultaneously to be connected.
2. a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection according to claim 1, it is characterized in that, described defectoscope (2), preposition controller (3), lead launch receiver (4), ultrasonic probe (5), position transducer (6) are divided into symmetrical two groups, be respectively applied to survey the wheel that passes through on two rail, two groups of fully electricity isolation of equipment.
3. a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection according to claim 1, it is characterized in that, main frame (1) is installed in the operation room (10) away from detecting area, defectoscope (2) is installed between near the control of detecting area (7) rail (11), and other assembly is installed between (7) two rail of detecting area (8).
4. a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection according to claim 1, it is characterized in that, described defectoscope (2) is connected with preposition controller (3), lead launch receiver (4) parameter is set and receives ultrasonic signal by preposition controller (3).
5. a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection according to claim 1, it is characterized in that, the wheel signal that described preposition controller (3) receiving position sensor (6) is surveyed is selected the ultrasonic probe (5) of respective channel to work and the preposition amplifying parameters of this passage is set by lead launch receiver (4).
6. a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection according to claim 5, it is characterized in that, described lead launch receiver (4) is connected with ultrasonic probe (5), receive ultrasound wave by ultrasonic probe (5) emission, and the ultrasonic signal that receives is carried out preposition amplification.
7. a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection according to claim 6, it is characterized in that, described ultrasonic probe (5) is installed in the inboard of detecting area rail with dividing equally, the ultrasonic probe (5) that install in every rail examination district (7) is divided into four groups, separate between each group, be connected separately the independent flaw detection sensitivity of setting of each ultrasonic probe (5) with a lead launch receiver (4).
8. a kind of multichannel ultrasonic fault detection system for the railway wheel line flaw detection according to claim 7, it is characterized in that, the corresponding position transducer (6) of described each ultrasonic probe (5), ultrasonic probe (5) and position transducer (6) installation site line are perpendicular to rail (8), position transducer (6) detecting wheel enters corresponding ultrasonic probe flaw detection district signal, and signal is transferred to ultrasonic probe (5) work of preposition controller (3) control respective channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366091 CN202886332U (en) | 2012-07-26 | 2012-07-26 | Multichannel ultrasonic flaw detection system for railway vehicle wheel online flaw detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220366091 CN202886332U (en) | 2012-07-26 | 2012-07-26 | Multichannel ultrasonic flaw detection system for railway vehicle wheel online flaw detection |
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| CN202886332U true CN202886332U (en) | 2013-04-17 |
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| CN 201220366091 Expired - Fee Related CN202886332U (en) | 2012-07-26 | 2012-07-26 | Multichannel ultrasonic flaw detection system for railway vehicle wheel online flaw detection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302005A (en) * | 2015-11-25 | 2016-02-03 | 株洲时代电子技术有限公司 | Rail-defect detector train detection operation electrical system control method |
| CN105292176A (en) * | 2015-11-25 | 2016-02-03 | 株洲时代电子技术有限公司 | Testing task electrical system of rail-defect detector car |
| CN106093185A (en) * | 2016-07-06 | 2016-11-09 | 江西稀有稀土金属钨业集团有限公司 | The conversion of line flaw detection data is derived and sharing query method |
| CN107192764A (en) * | 2017-07-07 | 2017-09-22 | 合肥超科电子有限公司 | A kind of split type secondary wheel seach unit support and probe |
-
2012
- 2012-07-26 CN CN 201220366091 patent/CN202886332U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105302005A (en) * | 2015-11-25 | 2016-02-03 | 株洲时代电子技术有限公司 | Rail-defect detector train detection operation electrical system control method |
| CN105292176A (en) * | 2015-11-25 | 2016-02-03 | 株洲时代电子技术有限公司 | Testing task electrical system of rail-defect detector car |
| CN106093185A (en) * | 2016-07-06 | 2016-11-09 | 江西稀有稀土金属钨业集团有限公司 | The conversion of line flaw detection data is derived and sharing query method |
| CN107192764A (en) * | 2017-07-07 | 2017-09-22 | 合肥超科电子有限公司 | A kind of split type secondary wheel seach unit support and probe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20160726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |