CN101813668A - Wheel axle end surface flaw detection device and method - Google Patents
Wheel axle end surface flaw detection device and method Download PDFInfo
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- CN101813668A CN101813668A CN201010148875A CN201010148875A CN101813668A CN 101813668 A CN101813668 A CN 101813668A CN 201010148875 A CN201010148875 A CN 201010148875A CN 201010148875 A CN201010148875 A CN 201010148875A CN 101813668 A CN101813668 A CN 101813668A
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Abstract
The invention relates to a wheel axle end surface flaw detection device and a method. The method comprises the following steps: 1) installing the wheel axle end surface flaw detection device on the wheel axle end part by the positioning of the axial movable center and the adsorption of axial magnet; in four cylindrical probes of the wheel axle end surface flaw detection device, adjusting the cylindrical probe near the top end into a zero drift angle probe by a worm wheel and worm governor mechanism; 2) displaying the defect image of the cylindrical probe near the bottom end by B ultrasound; 3) respectively adjusting another two cylindrical probes into a clockwise drift angle probe and an anticlockwise probe by the worm wheel and worm governor mechanism; 4) comparing the defect imaged displayed by the B ultrasound with the image obtained by the zero drift angle probe, the clockwise drift angle probe and the anticlockwise probe, and determining the shape of the wheel axle end surface flaw. The invention has the beneficial effect that the flaw detection device can inhibit great quantity structural noise generated by the press mounting of bearings, reduce the possibility of missed detection and improve railway driving safety.
Description
Technical field
The present invention relates to a kind of wheel axle end surface flaw detection device and method.
Background technology
At present, when detection is positioned at the fatigue crack on bearing medial end axletree surface (compensating groove), to use probe measurement usually, known probe, its acoustic beam is positioned at the plane by axletree, can be described as zero drift angle probe.After axletree has press-fited bearing, detect the frequent very strong construct noise that occurs with zero drift angle probe, disturbed identification to flaw indication, cause omission, influence traffic safety.
Summary of the invention
The purpose of this invention is to provide a kind of wheel axle end surface flaw detection device and method, can reduce construct noise, improve the signal to noise ratio (S/N ratio) of crackle signal, reduce omission, use the B ultrasonic mode to show crackle image and the super mode display waveform of A simultaneously, make the differentiation of crackle simple, directly perceived and easy row, the super signal of all A is by real-time storage, is used for ex-post analysis and recalls.
The objective of the invention is to be achieved through the following technical solutions: a kind of form of the present invention is a wheel axle end surface flaw detection device, comprise and visit the bar structure frame, the bottom end face of described spy bar structure frame is provided with along the ring-shaped magnet of visiting bar structure frame circle distribution, visit bar structure frame inside and be provided with axial rotor, it is top that the inside of axial rotor is provided with axial elasticity, the top of movable center is connected with spy bar structure frame by spring, be evenly distributed with four cylindrical probes around the movable center, be provided with the turbine and worm governor motion near top end on the outer wall of cylindrical probe, described turbine and worm governor motion comprises turbine and the worm screw that cooperatively interacts, wherein turbine is arranged on the cylindrical probe outer wall, worm screw is fixedlyed connected with axial rotor by bolt, the top of described cylindrical probe is provided with nut, between nut and the cylindrical probe by being threaded.
Another kind of form of the present invention is the wheel axle end surface flaw detection method, may further comprise the steps: 1) wheel axle end surface flaw detection device is installed in the wheel shaft end by the top location of axial elasticity and the absorption of bar magnet, in four cylindrical probes of wheel axle end surface flaw detection device, to be adjusted into zero drift angle probe near the cylindrical probe on top by the turbine and worm governor motion, the incident angle of zero drift angle probe is the incident of known low-angle 9-12 degree; 2) cylindrical probe near the bottom adopts B ultrasonic mode display defect image; 3) by the turbine and worm governor motion drift angle of two other cylindrical probe is adjusted into clockwise drift angle probe and drift angle probe counterclockwise respectively, in order to adapt to the change in orientation of crackle, with clockwise drift angle probe and counterclockwise the drift angle pop one's head in respectively Relative Zero drift angle probe to clockwise and counterclockwise be adjusted between the 25-30 degree, and the drift angle of drift angle probe and counterclockwise drift angle probe equates clockwise, this moment, the angle of acoustic beam and wheel axial plane was about the 7-9 degree, incident angle reduces the 0.5-1 degree than zero drift angle probe, can make clockwise drift angle probe, the detection interval of drift angle probe and zero drift angle probe is consistent counterclockwise; 4) the defect image while that the B ultrasonic mode is shown compares with the image that zero drift angle probe, clockwise drift angle probe and counterclockwise drift angle probe are obtained, and determines the shape of wheel axle end surface defective.
In above-mentioned wheel axle end surface flaw detection method, described turbine and worm governor motion comprises turbine and the worm screw that cooperatively interacts, and wherein turbine is arranged on the outer wall of cylindrical probe, and worm screw is fixedlyed connected with axial rotor by bolt.
Beneficial effect of the present invention is: for a large amount of construct noises that produce behind the pressing bearing, failure detector can suppress noise, improves signal to noise ratio (S/N ratio), reduces omission, improves railway operation safety; Use the B ultrasonic mode to show crackle image and the super mode display waveform of A simultaneously, make the differentiation of crackle simple, directly perceived and easy row, the super signal of all A is by real-time storage, is used for ex-post analysis and recalls.
Description of drawings
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the cut-open view of wheel axle end surface flaw detection device of the present invention; Fig. 2 is the structural representation of the turbine and worm governor motion of wheel axle end surface flaw detection device of the present invention; Fig. 3 is the distribution schematic diagram of the probe of wheel axle end surface flaw detection device of the present invention.
Among the figure: 1, visit the bar structure frame; 2, ring-shaped magnet; 3, axial rotor; 4, movable center; 5, spring; 6, cylindrical probe; 7, turbine and worm governor motion; 8, turbine; 9, worm screw; 10, nut.
Embodiment
As Figure 1-3, a kind of form of the present invention is a wheel axle end surface flaw detection device, comprise and visit bar structure frame 1, the bottom end face of described spy bar structure frame 1 is provided with along the ring-shaped magnet 2 of visiting bar structure frame circle distribution, visit bar structure frame 1 inside and be provided with axial rotor 3, the inside of axial rotor 3 is provided with axial elasticity top 4, the top of axial elasticity top 4 is connected with spy bar structure frame 1 by spring 5, be evenly distributed with four cylindrical probes 6 around the axial elasticity top 4, be provided with turbine and worm governor motion 7 near top end on the outer wall of cylindrical probe 6, described turbine and worm governor motion 7 comprises turbine 8 and the worm screw 9 that cooperatively interacts, wherein turbine 8 is arranged on the outer wall of cylindrical probe 6, worm screw 9 is fixedlyed connected with axial rotor 3 by bolt, outer six side's adjustment holes are arranged on the worm screw 9, use outer six side's screwdrivers can rotary worm, thereby regulate the drift angle of cylindrical probe 6, the top of described cylindrical probe 6 is provided with nut 10, between nut 10 and the cylindrical probe 6 by being threaded.
Another kind of form of the present invention is the wheel axle end surface flaw detection method, may further comprise the steps: 1) wheel axle end surface flaw detection device is installed in the wheel shaft end by the location of axial elasticity top 4 and the absorption of ring-shaped magnet 2, in four cylindrical probes 6 of wheel axle end surface flaw detection device, to be adjusted into zero drift angle probe near the cylindrical probe 6 on top by turbine and worm governor motion 7, the incident angle of zero drift angle probe is the incident of known low-angle 9-12 degree; 2) cylindrical probe 6 near the bottom adopts B ultrasonic mode display defect image; 3) by turbine and worm governor motion 7 drift angle of two other cylindrical probe 6 is adjusted into clockwise drift angle probe and drift angle probe counterclockwise respectively, in order to adapt to the change in orientation of crackle, with clockwise drift angle probe and counterclockwise the drift angle pop one's head in respectively Relative Zero drift angle probe to clockwise and counterclockwise be adjusted between the 25-30 degree, and the drift angle of drift angle probe and counterclockwise drift angle probe equates clockwise, this moment, the angle of acoustic beam and wheel axial plane was about the 7-9 degree, incident angle reduces the 0.5-1 degree than zero drift angle probe, can make clockwise drift angle probe, the detection interval of drift angle probe and zero drift angle probe is consistent counterclockwise; 4) the defect image while that the B ultrasonic mode is shown compares with the image that zero drift angle probe, clockwise drift angle probe and counterclockwise drift angle probe are obtained, and determines the shape of wheel axle end surface defective.
In above-mentioned wheel axle end surface flaw detection method, described turbine and worm governor motion (7) comprises turbine (8) and the worm screw (9) that cooperatively interacts, wherein turbine (8) is arranged on the outer wall of cylindrical probe (6), and worm screw (9) is fixedlyed connected with axial rotor (3) by bolt.
When concrete work, install one in the axletree end and visit bar structure frame 1, visit bar structure frame 1 end face and be inlaid with ring-shaped magnet 2, make and visit bar structure frame 1 end face and axletree end face and inhale and be adjacent to; Visit bar structure frame 1 end face center an axial rotor 3 is set, axial rotor 3 can rotate around axle axis, and axial rotor 3 end faces and bearing face being adjacent to by spring 5, it is top 4 that axial elasticity is equipped with at axial rotor 3 centers, makes and visit bar structure frame 1 and axletree coaxial positioning; Axial rotor 3 end faces are provided with the probe mounting hole of four equal angles circle distribution; A cylindrical probe 6 is installed in each hole, cylindrical probe 6 can be around self axis rotation, cylindrical probe 6 is drawn line end turbine and worm governor motion 7 is housed, be used for the anglec of rotation (drift angle) of minute adjustment cylindrical probe 6 around self axis, can make acoustic beam off-axis plane by regulating, when being positioned at axial plane, acoustic beam is called zero drift angle, the cylindrical probe 6 at top adopts zero drift angle probe, the probe incident angle adopts known low-angle (9-12 degree) incident, two cylindrical probes 6 of top cylindrical probe 6 belows adopt the drift angle attitude, be respectively clockwise drift angle probe and counterclockwise drift angle probe, adopting opposite drift angle attitude is in order to adapt to the change in orientation of crackle, the drift angle is adjusted between the 25-30 degree, this moment, the angle of acoustic beam and axial plane was about the 7-9 degree, incident angle reduces the 0.5-1 degree than zero drift angle probe, and it is in order to make the drift angle probe consistent with the detection interval of zero drift angle probe that incident angle reduces the 0.5-1 degree; Signal to noise ratio (S/N ratio) between test discovery crackle signal this moment and construct noise is better, compares with zero drift angle probe and can improve more than the 12DB; Cylindrical probe 6 mounting holes of bottom are motor-driven installation position, use B ultrasonic mode display defect image during detection, can observe zero drift angle probe, drift angle probe and the image that produced of drift angle probe counterclockwise clockwise simultaneously, by comparison can easier definite wheel axle end surface defective shape.
A large amount of construct noises that the present invention produces after for pressing bearing, failure detector can suppress noise, improves signal to noise ratio (S/N ratio), reduces omission, improves railway operation safety; Use the B ultrasonic mode to show crackle image and the super mode display waveform of A simultaneously, make the differentiation of crackle simple, directly perceived and easy row, the super signal of all A is by real-time storage, is used for ex-post analysis and recalls.
Claims (4)
1. wheel axle end surface flaw detection device, comprise and visit bar structure frame (1), it is characterized in that: the bottom end face of described spy bar structure frame (1) is provided with along the ring-shaped magnet (2) of visiting bar structure frame circle distribution, visit bar structure frame (1) inside and be provided with axial rotor (3), the inside of axial rotor (3) is provided with axial elasticity top (4), the top of movable center (4) is connected with spy bar structure frame (1) by spring (5), be evenly distributed with four cylindrical probes (6) around the movable center (4), be provided with turbine and worm governor motion (7) near top end on the outer wall of cylindrical probe (6), the top of described cylindrical probe (6) is provided with nut (10), between nut (10) and the cylindrical probe (6) by being threaded.
2. wheel axle end surface flaw detection device according to claim 1, it is characterized in that: described turbine and worm governor motion (7) comprises turbine (8) and the worm screw (9) that cooperatively interacts, wherein turbine (8) is arranged on the outer wall of cylindrical probe (6), and worm screw (9) is fixedlyed connected with axial rotor (3) by bolt.
3. a wheel axle end surface flaw detection method is characterized in that, may further comprise the steps:
1) by the top location of axial elasticity and the absorption of bar magnet wheel axle end surface flaw detection device is installed in the wheel shaft end, in four cylindrical probes of wheel axle end surface flaw detection device, to be adjusted into zero drift angle probe near the cylindrical probe on top by the turbine and worm governor motion, the incident angle of zero drift angle probe adopts the incident of known low-angle 9-12 degree;
2) cylindrical probe near the bottom adopts B ultrasonic mode display defect image;
3) by the turbine and worm governor motion drift angle of two other cylindrical probe is adjusted into clockwise drift angle probe and drift angle probe counterclockwise respectively, in order to adapt to the change in orientation of crackle, with clockwise drift angle probe and counterclockwise the drift angle pop one's head in respectively Relative Zero drift angle probe to clockwise and counterclockwise be adjusted between the 25-30 degree, and the drift angle of drift angle probe and counterclockwise drift angle probe equates clockwise, this moment, the angle of acoustic beam and wheel axial plane was about the 7-9 degree, incident angle reduces the 0.5-1 degree than zero drift angle probe, can make clockwise drift angle probe, the detection interval of drift angle probe and zero drift angle probe is consistent counterclockwise;
4) the defect image while that the B ultrasonic mode is shown compares with the image that zero drift angle probe, clockwise drift angle probe and counterclockwise drift angle probe are obtained, and determines the shape of wheel axle end surface defective.
4. wheel axle end surface flaw detection method according to claim 3, it is characterized in that: described turbine and worm governor motion comprises turbine and the worm screw that cooperatively interacts, wherein turbine is arranged on the outer wall of cylindrical probe, and worm screw is fixedlyed connected with axial rotor by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101488758A CN101813668B (en) | 2010-04-17 | 2010-04-17 | Wheel axle end surface flaw detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101488758A CN101813668B (en) | 2010-04-17 | 2010-04-17 | Wheel axle end surface flaw detection device and method |
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| Publication Number | Publication Date |
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| CN101813668A true CN101813668A (en) | 2010-08-25 |
| CN101813668B CN101813668B (en) | 2013-11-20 |
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| CN2010101488758A Active CN101813668B (en) | 2010-04-17 | 2010-04-17 | Wheel axle end surface flaw detection device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510442A (en) * | 2015-12-22 | 2016-04-20 | 北京欧宁航宇检测技术有限公司 | Dynamic linkage focus detection method adopting multiple phased array probes |
| CN105510441A (en) * | 2015-12-22 | 2016-04-20 | 北京欧宁航宇检测技术有限公司 | Linkage detection method adopting multi-channel combined probes |
| CN107271561A (en) * | 2017-06-27 | 2017-10-20 | 北京双河理声自动化检测技术有限公司 | A kind of B ultrasound imaging method that axle journal is detected from railroad car axle axle body |
| CN108732250A (en) * | 2018-06-06 | 2018-11-02 | 中国农业大学 | The universal joint adaptive regulating mechanism of non-destructive testing device probe mounting platform |
| CN110470741A (en) * | 2019-09-10 | 2019-11-19 | 常州春雷电子高新技术有限公司 | Wheel axle end surface reflectoscope |
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| CN2554063Y (en) * | 2002-04-18 | 2003-06-04 | 武汉育科超声设备有限责任公司 | Ultrasonic intelligence detection detector for axle of stock |
| US20050011694A1 (en) * | 2003-07-17 | 2005-01-20 | Robert Rosenthal | Wheel end condition detection system |
| CN201662558U (en) * | 2010-04-17 | 2010-12-01 | 张玉河 | Flaw detection device at end surface of wheel axle |
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2010
- 2010-04-17 CN CN2010101488758A patent/CN101813668B/en active Active
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| CN2554063Y (en) * | 2002-04-18 | 2003-06-04 | 武汉育科超声设备有限责任公司 | Ultrasonic intelligence detection detector for axle of stock |
| US20050011694A1 (en) * | 2003-07-17 | 2005-01-20 | Robert Rosenthal | Wheel end condition detection system |
| CN201662558U (en) * | 2010-04-17 | 2010-12-01 | 张玉河 | Flaw detection device at end surface of wheel axle |
Non-Patent Citations (1)
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| F.GUSTAFSSON等: "《ESTIMATION AND CHANGE DETECTION OF TIRE-ROAD FRICTION USING THE WHEEL SLIP》", 《IEEE》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105510442A (en) * | 2015-12-22 | 2016-04-20 | 北京欧宁航宇检测技术有限公司 | Dynamic linkage focus detection method adopting multiple phased array probes |
| CN105510441A (en) * | 2015-12-22 | 2016-04-20 | 北京欧宁航宇检测技术有限公司 | Linkage detection method adopting multi-channel combined probes |
| CN105510441B (en) * | 2015-12-22 | 2018-04-06 | 北京欧宁航宇检测技术有限公司 | Multichannel combination probe linkage detection method |
| CN107271561A (en) * | 2017-06-27 | 2017-10-20 | 北京双河理声自动化检测技术有限公司 | A kind of B ultrasound imaging method that axle journal is detected from railroad car axle axle body |
| CN108732250A (en) * | 2018-06-06 | 2018-11-02 | 中国农业大学 | The universal joint adaptive regulating mechanism of non-destructive testing device probe mounting platform |
| CN108732250B (en) * | 2018-06-06 | 2020-10-16 | 中国农业大学 | Universal-joint self-adaptive adjusting mechanism of probe mounting platform of nondestructive testing device |
| CN110470741A (en) * | 2019-09-10 | 2019-11-19 | 常州春雷电子高新技术有限公司 | Wheel axle end surface reflectoscope |
| CN110470741B (en) * | 2019-09-10 | 2024-03-15 | 常州春雷电子高新技术有限公司 | Ultrasonic flaw detector for end face of wheel axle |
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| CN101813668B (en) | 2013-11-20 |
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