CN104792864A - Integrated train axle ultrasonic testing device and method - Google Patents
Integrated train axle ultrasonic testing device and method Download PDFInfo
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- CN104792864A CN104792864A CN201510130504.XA CN201510130504A CN104792864A CN 104792864 A CN104792864 A CN 104792864A CN 201510130504 A CN201510130504 A CN 201510130504A CN 104792864 A CN104792864 A CN 104792864A
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Abstract
The invention discloses an integrated train axle ultrasonic testing device and method. A high-speed acquisition card, a filter, an amplifier, an integrated ultrasonic angle probe, a driving circuit, a high-frequency oscillator and an I/O card are sequentially connected; the I/O card and the high-speed acquisition card are clamped on a circuit board of an industrial personal computer. The integrated train axle ultrasonic testing device and method solve the problems that the testing effect on interference fit surfaces of a bearing and an axle is poor, or the interference fit surfaces of the bearing and the axle cannot be tested; the integrated ultrasonic angle probe is adopted, so that the environment factor influences are less; through the use of the anti-interference performance in ultrasonic high frequency characteristics, the testing accuracy is improved; the testing device adopts relatively advanced hardware equipment and a software system, so that the testing efficiency is improved greatly.
Description
Technical field
The present invention relates to a kind of pick-up unit, particularly relate to a kind of train axle integral type ultrasonic detection device and method thereof.
Background technology
Train axle and bearing adopt press-fit approach to assemble, easily cause and press-fit damage between mating surface, when train is in normal operation, curve negotiating, run under the various working such as start and stop and brake hard, make axletree and bearing interference fit face by longitudinal, the complex incentive effect such as vertical and horizontal, this causes loosening and damage between axletree-bearing interference fit face further, thus affect the driving safety of train, therefore how quick, reliably, exactly axletree and bearing interference fit face are detected and just seem and become more and more important, railway detects major part and concentrates on wheel track damage both at home and abroad at present, the detection of the aspects such as axletree damage and bearing fault, and it is less for the detection in train axle and bearing interference fit face, the method of general employing infrared hotbox detection differentiates whether axle bearing exists damage, but the method due to axletree and bearing interference fit face fine motion slippage amplitude less, Detection results is by the impact of the factor such as surface clearness and environment, detection speed is also restricted, therefore be necessary to work out a kind of effective detection method for axletree and the surface damage of bearing interference fit.
Summary of the invention
The object of the present invention is to provide a kind of train axle integral type ultrasonic detection device and method thereof, solve domestic and international railway detection major part at present and concentrate on wheel track damage, the detection of the aspects such as axletree damage and bearing fault, and it is less for the detection in train axle and bearing interference fit face, the method of existing general employing infrared hotbox detection differentiates whether axle bearing exists damage, but the method due to axletree and bearing interference fit face fine motion slippage amplitude less, Detection results is by the impact of the factor such as surface clearness and environment, detection speed is also restricted, therefore be necessary to work out a kind of problem of the effective detection method for axletree and the surface damage of bearing interference fit.
The present invention realizes like this, a kind of train axle integral type ultrasonic detection device, it comprises integral type ultrasound wave angle probe, driving circuit, amplifier, wave filter, high-speed collection card, I/O card, high frequency oscillator, industrial computer, it is characterized in that: described high-speed collection card, wave filter, amplifier, integral type ultrasound wave angle probe, driving circuit, high frequency oscillator are connected successively with I/O card, and described I/O card and high speed acquisition are fastened on the circuit board of industrial computer.
A method for train axle integral type ultrasound examination, its technical step is: 1, produce output signal by I/O card; 2, through high frequency oscillator, the direct current signal of output is converted to high-voltage pulse signal; 3, driving circuit regulates high-voltage pulse signal amplitude, and the ultrasonic transducer in excitation integral type ultrasound wave angle probe is launched ultrasound wave and detected a flaw, to obtain detection signal to axletree and bearing interference fit face; 4, detection signal is amplified and filtering process by amplifier and wave filter successively again; 5, the detection signal gathered after conditioning is sent to industrial computer by high-speed collection card; 6, finally by industrial computer, detection signal is analyzed, after analysis, the situation of the damage of the mating surface of axletree and bearing is presented in the liquid crystal display of industrial computer.
Described high frequency oscillator LC oscillatory circuit.
Described wave filter adopts the wave filter that band is logical.
The sample frequency of described high-speed collection card is 1MHz ~ 10MHz.
Described integral type ultrasound wave angle probe carries out scanning by ultrasonic transverse wave; The mode of scanning is zigzag scan Z; The speed of scanning maintains v≤100 ㎜/s.
Described flaw detection utilizes integral type ultrasound wave angle probe along the scanning of axletree circumferencial direction; The axletree gathered and the detection signal of the numerous point of bearing interference fit face multiple directions.
Technique effect of the present invention is: the present invention overcomes the Effect on Detecting problem that is poor or that at all cannot detect to axletree and bearing interference fit face, adopt integral type ultrasound wave angle probe less by such environmental effects, and utilize the anti-interference of hyperacoustic high frequency characteristics, thus improve the accuracy of detection, and this pick-up unit utilizes more advanced hardware device and software systems, improve the efficiency of detection greatly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In the drawings, 1, mating surface 5, integral type ultrasound wave angle probe 6, amplifier 7, wave filter 8, high-speed collection card 9, the industrial computer of I/O card 2, high frequency oscillator 3, driving circuit 4, train axle and bearing.
Embodiment
Composition graphs 1 illustrates the present invention, it comprises integral type ultrasound wave angle probe 5, driving circuit 3, amplifier 6, wave filter 7, high-speed collection card 8, I/O card 1, high frequency oscillator 2, industrial computer 9, described high-speed collection card 8, wave filter 7, amplifier 6, integral type ultrasound wave angle probe 5, driving circuit 3, high frequency oscillator 2 are connected successively with I/O card 1, described I/O card 1 and high-speed collection card 8 are located on the circuit board of industrial computer 9, and its concrete steps are: 1, produce output signal by I/O card 1; 2, through high frequency oscillator 2, the direct current signal of output is converted to high-voltage pulse signal; 3, driving circuit 3 regulates high-voltage pulse signal amplitude, and ultrasound wave launched by the ultrasonic transducer in excitation integral type ultrasound wave angle probe 5 is that mating surface 4 is detected a flaw, to obtain detection signal to axletree and bearing; 4, being amplified and filtering process by amplifier 6 and wave filter 7 pairs of detection signals successively again; 5, the detection signal gathered after conditioning is sent to industrial computer 9 by high-speed collection card 8; 6, finally analyzed by industrial computer 9 pairs of detection signals, after analysis, the situation of the damage of the mating surface of axletree and bearing is presented in the liquid crystal display of industrial computer 9.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (7)
1. a train axle integral type ultrasonic detection device, it comprises integral type ultrasound wave angle probe, driving circuit, amplifier, wave filter, high-speed collection card, I/O card, high frequency oscillator, industrial computer, it is characterized in that: described high-speed collection card, wave filter, amplifier, integral type ultrasound wave angle probe, driving circuit, high frequency oscillator are connected successively with I/O card, and described I/O card and high speed acquisition are fastened on the circuit board of industrial computer.
2. a method for a kind of train axle integral type according to claim 1 ultrasound examination, the concrete steps of its feature are: 1) produce output signal by I/O card; 2) through high frequency oscillator, the direct current signal of output is converted to high-voltage pulse signal; 3) driving circuit regulates high-voltage pulse signal amplitude, and the ultrasonic transducer in excitation integral type ultrasound wave angle probe is launched ultrasound wave and detected a flaw, to obtain detection signal to axletree and bearing interference fit face; 4) detection signal is amplified and filtering process by amplifier and wave filter successively again; 5) detection signal gathered after conditioning is sent to industrial computer by high-speed collection card; 6) finally by industrial computer, detection signal is analyzed, after analysis, the situation of the damage of the mating surface of axletree and bearing is presented in the liquid crystal display of industrial computer.
3. a kind of train axle integral type ultrasonic detection device according to claim 1, is characterized in that: described high frequency oscillator LC oscillatory circuit.
4. a kind of train axle integral type ultrasonic detection device according to claim 1, is characterized in that: described wave filter adopts the wave filter that band is logical.
5. a kind of train axle integral type ultrasonic detection device according to claim 1, is characterized in that: the sample frequency of described high-speed collection card is 1MHz ~ 10MHz.
6. the method for a kind of train axle integral type ultrasound examination according to claim 2, is characterized in that: described integral type ultrasound wave angle probe carries out scanning by ultrasonic transverse wave; The mode of scanning is zigzag scan Z; The speed of scanning maintains v≤100 ㎜/s.
7. the method for a kind of train axle integral type ultrasound examination according to claim 2, is characterized in that: described flaw detection utilizes integral type ultrasound wave angle probe along the scanning of axletree circumferencial direction; The axletree gathered and the detection signal of the numerous point of bearing interference fit face multiple directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130504.XA CN104792864A (en) | 2015-03-25 | 2015-03-25 | Integrated train axle ultrasonic testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130504.XA CN104792864A (en) | 2015-03-25 | 2015-03-25 | Integrated train axle ultrasonic testing device and method |
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| Publication Number | Publication Date |
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| CN104792864A true CN104792864A (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510130504.XA Pending CN104792864A (en) | 2015-03-25 | 2015-03-25 | Integrated train axle ultrasonic testing device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957023A (en) * | 2018-06-04 | 2018-12-07 | 西安交通大学 | A kind of measuring system and method for bearing retainer revolving speed based on ultrasound |
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| CN102721746A (en) * | 2012-07-04 | 2012-10-10 | 北京理工大学 | Double-manipulator ultrasonic transmission detection device |
| CN202928990U (en) * | 2012-10-19 | 2013-05-08 | 云南电网公司昭通供电局 | Ultrasonic guided wave detecting system for corrosion of steel pipe pole |
| CN103245726A (en) * | 2013-04-02 | 2013-08-14 | 华东理工大学 | Device and method for detecting material hydrogen damage through ultrasonic surface waves |
| CN203643400U (en) * | 2014-01-10 | 2014-06-11 | 清华大学 | Hollow shaft ultrasonic inspection device |
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2015
- 2015-03-25 CN CN201510130504.XA patent/CN104792864A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721746A (en) * | 2012-07-04 | 2012-10-10 | 北京理工大学 | Double-manipulator ultrasonic transmission detection device |
| CN202928990U (en) * | 2012-10-19 | 2013-05-08 | 云南电网公司昭通供电局 | Ultrasonic guided wave detecting system for corrosion of steel pipe pole |
| CN103245726A (en) * | 2013-04-02 | 2013-08-14 | 华东理工大学 | Device and method for detecting material hydrogen damage through ultrasonic surface waves |
| CN203643400U (en) * | 2014-01-10 | 2014-06-11 | 清华大学 | Hollow shaft ultrasonic inspection device |
Non-Patent Citations (2)
| Title |
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| 蔡艺剧: "《基于FPGA的超声检测系统研究》", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
| 赵亚丽等: "《电工电子技术实训教程》", 30 September 2014 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957023A (en) * | 2018-06-04 | 2018-12-07 | 西安交通大学 | A kind of measuring system and method for bearing retainer revolving speed based on ultrasound |
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Application publication date: 20150722 |