CN104677989A - Following type ultrasonic flaw detector for rolling stock wheels - Google Patents
Following type ultrasonic flaw detector for rolling stock wheels Download PDFInfo
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- CN104677989A CN104677989A CN201410775217.XA CN201410775217A CN104677989A CN 104677989 A CN104677989 A CN 104677989A CN 201410775217 A CN201410775217 A CN 201410775217A CN 104677989 A CN104677989 A CN 104677989A
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- ultrasonic flaw
- scrambler
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Abstract
The invention discloses a following type ultrasonic flaw detector for rolling stock wheels. The following type ultrasonic flaw detector comprises a fixed working platform, a flaw detection device, an ultrasonic transducer, a coupling agent pipeline 3, an adapter 4, an acquisition device 5 and a signal transmission device 6. Compared with the prior art, the following type ultrasonic flaw detector disclosed by the invention has the following beneficial effects that compared with the original flaw detection, for the detector disclosed by the invention, the following type detection is adopted, the detection ability is strong, the detection efficiency is high, the flaw detection is fast, the management informatization can be realized, and the detector is easy to mount and maintain.
Description
Technical field
The present invention relates to a kind of pick-up unit of locomotive car wheel fault of trailing type, belong to rail vehicles security protection system field.
Background technology
At present, in prior art, " a kind of double-manipulator rail vehicle ultrasound wave two-wheel defectoscope and method of work thereof " (patent No.: ZL201410103749.9) discloses a kind of double-manipulator rail vehicle ultrasound wave two-wheel defectoscope and method of work thereof, comprise chassis parts, portal frame parts, lifting frame parts, tread probe manipulator part, wheel rim probe manipulator part, it is characterized in that: described chassis parts are removable; Described tread probe manipulator part is fixed on described chassis parts; Described portal frame parts are fixed on above chassis parts, below tread mechanical arm longitudinal direction, described portal frame parts maximum height is lower than the minimum altitude of tread probe manipulator part, and the width inside the portal frame of both sides is greater than the minimum widith of tread probe manipulator part; Described lifting frame parts and described wheel rim manipulator part of popping one's head in is fixed on described portal frame parts.And document: LU rim and spoke fault detection system is dominated in Beijing to be needed to be arranged in in the trench in the line of storehouse, wheel needs by jack-up, the pick-up unit volume of these two kinds of wheel faults is large, complex structure, inefficiency, reliability is low, real-time online cannot be realized detect, be difficult to Mass Control, Tangshan Bai Chuan immersion method dynamic instrumentation wheel, probe is fixed in tank, all standing can not be carried out to wheel, because extraneous factor causes Effect on Detecting bad, Metals & Chemistry Research Institute in addition, the flaw detection information of current defect-detecting equipment can not enter the requirement of railway administration department " reorganizing and outfit management information system ", flaw detection information becomes information island, do not reach resource sharing and rational utilization.As shown in Figure 8, fault detection system schematic diagram of the prior art.
Summary of the invention
For problems of the prior art, the object of this invention is to provide a kind of trailing type rolling stock ultrasonic flaw-detecting machine, overcome the defect of existing equipment.The present invention designs fast a kind of, reliably, the defect-detecting equipment of safety, trailing type flaw detection is carried out in rolling stock operational process, can real-time carrying out flaw detection online, the fast checking function of longitudinal wave probe to circumferential defect can not only be realized, also wide-angle shear wave radial defect scanning function can be realized, also complete adopts B intuitively to sweep the mode shown in conjunction with stereoscopic three-dimensional figure simultaneously, greatly improve detection efficiency, improve detecting reliability, realize the expert analyzing system possessing trend prediction and life appraisal, meet the demand of locomotive car wheel status informationization management, realize the wheel detection of science more.
The technical matters that the present invention solves:
(1) same wheel on the wheel at two ends carry out online flaw detection;
(2) defectoscope work and the realization leaving duty is realized;
(3) function of effectively comprehensively detecting a flaw of defectoscope and wheel is realized.
The technical solution adopted in the present invention is as follows: a kind of trailing type rolling stock ultrasonic flaw-detecting machine, comprises vehicle body main body 5, and described vehicle body main body is provided with steady job platform 1, and described steady job platform 1 connects a length of tape movable failure detector 2.
Above-mentioned trailing type rolling stock ultrasonic flaw-detecting machine, it is further characterized in that: described failure detector 2 is made up of harvester 8 and ultrasonic transducer 3.Described ultrasound transducer means 3 comprises transducer carrier actions mechanism 31, probe 32, scrambler 33, position transducer 34 and couplant pipeline 35, described scrambler 33 is arranged in described probe 32 front and back position, described couplant pipeline 35 is arranged in relevant position with described scrambler 33, described probe 32, scrambler 33 and couplant loop 35 are arranged in described transducer carrier actions mechanism 31, and described position transducer 34 is arranged on transducer rotating mechanism 36.Described probe 32 is monocrystalline, twin crystal or phased array transducer array; Described scrambler 33 is rotary encoder; Described position transducer 34 is active position sampling proximity switch; Described linear transducer array 32, rotary encoder 33, couplant pipeline 35, harvester 8 are arranged on adapter 4.
Above-mentioned trailing type rolling stock ultrasonic flaw-detecting machine, it is characterized in that: be also provided with signal transmitting apparatus 6, the signal received is passed through process by described harvester 8, and send to the analysis of dedicated processes computer generalization by described signal transmitting apparatus 6, judge the position at defect place, the foundation of maintenance is provided, and realizes remote terminal by wireless or wired mode and have access to.
As a same reason, trailing type rolling stock ultrasonic flaw-detecting machine of the present invention, can also be arranged in shock-absorbing arms main body or not affect other applicable positions of work.
Beneficial effect:
The present invention realizes the wheel fault line flaw detection under rolling stock transport condition, compared with the prior art, trailing type ultrasonic flaw-detecting machine volume is little, structure is simple, be easy to operation, can improve detection efficiency, improve defects detection quality, realize information system management, the pick-up unit that this pick-up unit realizes does not need fixed station position, can detect at an arbitrary position.
Accompanying drawing explanation
Fig. 1 is the trailing type rolling stock ultrasonic flaw-detecting machine schematic diagram of the embodiment of the present invention.
Fig. 2 is the adapter of the trailing type pick-up unit of the embodiment of the present invention.
Fig. 3 is the trailing type linear transducer array device of the embodiment of the present invention.
Fig. 4 is the transducer link gear of the embodiment of the present invention.
Fig. 5 is a kind of embodiment schematic diagram be fixed in shock-absorbing arms.
Fig. 6 is a kind of embodiment schematic diagram be fixed on vehicle body.
Fig. 7 is the partial enlarged drawing of Fig. 6.
In figure, 1 is steady job platform; 2 is failure detector; 3 is ultrasonic transducer; 4 is adapter; 5 is car body main body; 6 is signal transmitting apparatus; 7 is absorber main body; 8 is harvester; 31 is transducer carrier actions mechanism; 32 is linear transducer array; 33 is scrambler; 34 is position transducer; 35 is couplant pipeline; 36 is transducer rotating mechanism.
Fig. 8 is fault detection system schematic diagram of the prior art.
Embodiment
Embodiment is clearly understood to make object of the present invention, technical scheme and advantage, and below in conjunction with drawings and Examples, the present invention is described in more detail.
Embodiment 1:
The trailing type rolling stock ultrasonic flaw-detecting machine of the present embodiment, comprise stationary work-table 1, harvester 2, ultrasound transducer means 3, harvester is fixed on described stationary work-table 1, ultrasound transducer means 3 is fixed on described stationary work-table 1, stationary work-table 1 is fixed on vehicle damping arm or automobile body position
Described ultrasound transducer means 3 comprises: transducer carrier actions mechanism 31, probe 32, scrambler 33, position transducer 34 and couplant loop 35, scrambler 33 is arranged in probe 32 front and back position, couplant loop 35 and scrambler 33 are arranged in relevant position, probe, scrambler and couplant loop are arranged in transducer carrier actions mechanism 31, position transducer 34 is arranged on transducer rotating mechanism 31, the present invention comprehensively adopts high-speed multiple channel digital supersonic detection technique, real time mass data are transmitted, B sweeps, three-dimensional imaging, autoreport manages, the technology such as information system management, realize the systematicness management of wheel mass state.
Embodiment 2:
As shown in Figure 1, the trailing type rolling stock ultrasonic flaw-detecting machine of the present embodiment, when locomotive car wheel needs to carry out defects detection, defect detecting device is arranged on private adapter, and fit tightly, be communicated with couplant pipeline, under rolling stock low-speed motion state, realize defects detection.
The course of work of the present invention and principle are:
Operationally, trailing type rolling stock ultrasonic flaw-detecting machine, directly be fixed on the workbench 1 in rolling stock shock-absorbing arms, workbench 1 connects a length of tape movable failure detector 2, failure detector comprises ultrasonic probe, scrambler and couplant pipeline, sampling proximity switch, harvester 2, and the connecting steering mechanism 3 of fixing failure detector, under normal operating conditions, connecting steering mechanism follows wheel trace, the failure detector couplant pipeline couplant of following soaks wheel and probe face, liquid film is formed at wheel surface, so that ultrasound wave drops into wheel from probe, ultrasound wave triggering is carried out to wheel fault place, allow ultrasonic transducer work effectively and accurately, harvester carries out the process of ultrasonic signal and carries out data calculating by host computer, wave form analysis, remote control, carry out the on-line checkingi of wheel fault accurately, during end-of-job, transducer is separated with detection wheel in dynamic actuating mechanism.
As shown in Figure 2 and Figure 3, the present embodiment trailing type linear transducer array device, ultrasonic transducer is furnished with monocrystalline, twin crystal or phased array probe, realize the detection of circumferential defect, radial defect, the radial defect of wheel rim, transducer phase encoder, calculating wheel circumferential position, and corresponding ultrasonic transducer active position sampling proximity switch.
As shown in Figure 3, the trailing type linear transducer array device of the embodiment of the present invention.Fig. 4 is the transducer link gear of the embodiment of the present invention.
Embodiment 3:
As shown in Figure 5, the present embodiment trailing type rolling stock ultrasonic flaw-detecting machine, is installed in shock-absorbing arms main body 7.
As shown in Figure 6, Figure 7, the present embodiment trailing type rolling stock ultrasonic flaw-detecting machine, installs with on vehicle body 5.
The similarities and differences of its working method and embodiment 1 are, mounting means moves on on vehicle body, up fixing of energy converter sniffer.Transducer carrier actions mechanism is different from the transducer carrier actions mechanism on shock-absorbing arms fixed mechanism.
Above embodiment is only and technological thought of the present invention is described; protection scope of the present invention can not be limited with this; every technological thought proposed according to the present invention; any change in the suitable implication that technical scheme basis is made and scope, all should think to be included in the scope of claims.Meanwhile, if the technology that the present invention relates to is unspecified, all realized by prior art.
Claims (10)
1. a trailing type rolling stock ultrasonic flaw-detecting machine, comprise vehicle body main body (5), it is characterized in that: described vehicle body main body is provided with steady job platform (1), described steady job platform (1) connects a length of tape movable failure detector (2).
2. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 1, is characterized in that: described failure detector (2) is made up of harvester (8) and ultrasonic transducer (3).
3. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 2, it is characterized in that: described ultrasound transducer means (3) comprises transducer carrier actions mechanism (31), probe (32), scrambler (33), position transducer (34) and couplant pipeline (35), described scrambler (33) is arranged in described probe (32) front and back position, described couplant pipeline (35) and described scrambler (33) are arranged in relevant position, described probe (32), scrambler (33) and couplant loop (35) are arranged on described transducer carrier actions mechanism (31), described position transducer (34) is arranged on transducer rotating mechanism (36).
4. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 3, is characterized in that: described probe (32) is monocrystalline, twin crystal or phased array transducer array; Described scrambler (33) is rotary encoder; Described position transducer (34) is active position sampling proximity switch; Described linear transducer array (32), rotary encoder (33), couplant pipeline (35), harvester (8) are arranged on adapter (4).
5. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 4, it is characterized in that: be also provided with signal transmitting apparatus (6), the signal received is passed through process by described harvester (8), and send to the analysis of dedicated processes computer generalization by described signal transmitting apparatus (6), judge the position at defect place, the foundation of maintenance is provided, and realizes remote terminal by wireless or wired mode and have access to.
6. a trailing type rolling stock ultrasonic flaw-detecting machine, comprise shock-absorbing arms main body (7), it is characterized in that: described shock-absorbing arms main body is provided with steady job platform (1), described steady job platform (1) connects a length of tape movable failure detector (2).
7. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 6, is characterized in that: described failure detector (2) is made up of harvester (8) and ultrasonic transducer (3).
8. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 7, it is characterized in that: described ultrasound transducer means (3) comprises transducer carrier actions mechanism (31), probe (32), scrambler (33), position transducer (34) and couplant pipeline (35), described scrambler (33) is arranged in described probe (32) front and back position, described couplant loop (35) and described scrambler (33) are arranged in relevant position, described probe (32), scrambler (33) and couplant loop (35) are arranged on described transducer carrier actions mechanism (31), described position transducer (34) is arranged on described transducer rotating mechanism (36).
9. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 8, is characterized in that: described probe (32) is monocrystalline, twin crystal or phased array transducer array; Described scrambler (33) is rotary encoder; Described position transducer (34) is active position sampling proximity switch; Described linear transducer array (32), rotary encoder (33), couplant pipeline (35), harvester (8) are arranged on adapter (4).
10. trailing type rolling stock ultrasonic flaw-detecting machine according to claim 9, it is characterized in that: be also provided with signal transmitting apparatus (6), the signal received is passed through process by described harvester (2), and send to the analysis of dedicated processes computer generalization by described signal transmitting apparatus (6), judge the position at defect place, the foundation of maintenance is provided, and realizes remote terminal by wireless or wired mode and have access to.
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| CN201410775217.XA CN104677989B (en) | 2014-12-15 | 2014-12-15 | A kind of trailing type locomotive car wheel ultrasonic flaw-detecting machine |
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| CN201410775217.XA CN104677989B (en) | 2014-12-15 | 2014-12-15 | A kind of trailing type locomotive car wheel ultrasonic flaw-detecting machine |
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| CN104677989B CN104677989B (en) | 2018-02-02 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480257A (en) * | 2015-12-01 | 2016-04-13 | 成都铁安科技有限责任公司 | On-line flaw detection device and probe die set thereof for train vehicles |
| CN105606708A (en) * | 2015-11-10 | 2016-05-25 | 南京拓控信息科技有限公司 | Locomotive wheel portable flaw detection system, and detection method thereof |
| CN106114554A (en) * | 2016-07-14 | 2016-11-16 | 南京拓控信息科技股份有限公司 | A kind of train wheel trailing type smart flaw detection system and method |
| CN106394603A (en) * | 2016-08-31 | 2017-02-15 | 成都主导科技有限责任公司 | Wheel and axle ultrasonic flaw detection device and method based on local water immersion |
| CN106596731A (en) * | 2016-12-06 | 2017-04-26 | 常州大学 | Self-coupled probe mechanism based on parallel passive-type fine adjustment structure |
| CN109212031A (en) * | 2018-10-19 | 2019-01-15 | 郑州合撷亨商贸有限公司 | A kind of train wheel method for detection fault detection |
| CN113533524A (en) * | 2021-08-10 | 2021-10-22 | 中铁工程装备集团有限公司 | Gear ring defect detection device and method |
| CN116642959A (en) * | 2023-07-26 | 2023-08-25 | 山东泰阳特种设备检测科技有限公司 | Pipeline electromagnetic ultrasonic detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11248692A (en) * | 1998-03-04 | 1999-09-17 | Tokimec Inc | Ultrasonic probe rail following device |
| DE19924781A1 (en) * | 1999-05-29 | 2000-11-30 | Bbc Reaktor Gmbh | Non-destructive testing of railway wheels installed in railway vehicles involves driving vehicle over test section, moving test probe holder into successive test positions during travel |
| CN201773090U (en) * | 2010-08-18 | 2011-03-23 | 北京新联铁科技发展有限公司 | Ultrasonic flaw detection adapter |
| CN102175774A (en) * | 2011-01-26 | 2011-09-07 | 北京主导时代科技有限公司 | Device and method for positioning probe of rim spoke flaw detection system based on mechanical hand |
| CN103868991A (en) * | 2014-03-20 | 2014-06-18 | 北京新联铁科技股份有限公司 | Double-manipulator rail vehicle ultrasonic double-wheel flaw detection machine and working method thereof |
| CN203965389U (en) * | 2014-07-16 | 2014-11-26 | 北京新联铁科技股份有限公司 | A kind of gantry type does not fall to taking turns detecting flaw of wheel machine |
-
2014
- 2014-12-15 CN CN201410775217.XA patent/CN104677989B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11248692A (en) * | 1998-03-04 | 1999-09-17 | Tokimec Inc | Ultrasonic probe rail following device |
| DE19924781A1 (en) * | 1999-05-29 | 2000-11-30 | Bbc Reaktor Gmbh | Non-destructive testing of railway wheels installed in railway vehicles involves driving vehicle over test section, moving test probe holder into successive test positions during travel |
| CN201773090U (en) * | 2010-08-18 | 2011-03-23 | 北京新联铁科技发展有限公司 | Ultrasonic flaw detection adapter |
| CN102175774A (en) * | 2011-01-26 | 2011-09-07 | 北京主导时代科技有限公司 | Device and method for positioning probe of rim spoke flaw detection system based on mechanical hand |
| CN103868991A (en) * | 2014-03-20 | 2014-06-18 | 北京新联铁科技股份有限公司 | Double-manipulator rail vehicle ultrasonic double-wheel flaw detection machine and working method thereof |
| CN203965389U (en) * | 2014-07-16 | 2014-11-26 | 北京新联铁科技股份有限公司 | A kind of gantry type does not fall to taking turns detecting flaw of wheel machine |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105606708A (en) * | 2015-11-10 | 2016-05-25 | 南京拓控信息科技有限公司 | Locomotive wheel portable flaw detection system, and detection method thereof |
| CN105606708B (en) * | 2015-11-10 | 2019-04-09 | 南京拓控信息科技有限公司 | A kind of detection method of the portable fault detection system of train wheel |
| CN105480257A (en) * | 2015-12-01 | 2016-04-13 | 成都铁安科技有限责任公司 | On-line flaw detection device and probe die set thereof for train vehicles |
| CN106114554A (en) * | 2016-07-14 | 2016-11-16 | 南京拓控信息科技股份有限公司 | A kind of train wheel trailing type smart flaw detection system and method |
| CN106114554B (en) * | 2016-07-14 | 2018-06-01 | 南京拓控信息科技股份有限公司 | A kind of train wheel trailing type smart flaw detection system and method |
| CN106394603A (en) * | 2016-08-31 | 2017-02-15 | 成都主导科技有限责任公司 | Wheel and axle ultrasonic flaw detection device and method based on local water immersion |
| CN106596731A (en) * | 2016-12-06 | 2017-04-26 | 常州大学 | Self-coupled probe mechanism based on parallel passive-type fine adjustment structure |
| CN109212031A (en) * | 2018-10-19 | 2019-01-15 | 郑州合撷亨商贸有限公司 | A kind of train wheel method for detection fault detection |
| CN113533524A (en) * | 2021-08-10 | 2021-10-22 | 中铁工程装备集团有限公司 | Gear ring defect detection device and method |
| CN113533524B (en) * | 2021-08-10 | 2023-09-15 | 中铁工程装备集团有限公司 | Gear ring defect detection device and method |
| CN116642959A (en) * | 2023-07-26 | 2023-08-25 | 山东泰阳特种设备检测科技有限公司 | Pipeline electromagnetic ultrasonic detection device |
| CN116642959B (en) * | 2023-07-26 | 2023-09-26 | 山东泰阳特种设备检测科技有限公司 | Pipeline electromagnetic ultrasonic detection device |
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