CN219915480U - Ultrasonic flaw detection device for steel rail welding seam railhead area - Google Patents
Ultrasonic flaw detection device for steel rail welding seam railhead area Download PDFInfo
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- CN219915480U CN219915480U CN202320909643.2U CN202320909643U CN219915480U CN 219915480 U CN219915480 U CN 219915480U CN 202320909643 U CN202320909643 U CN 202320909643U CN 219915480 U CN219915480 U CN 219915480U
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000003466 welding Methods 0.000 title abstract description 10
- 239000000523 sample Substances 0.000 claims abstract description 124
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 238000007689 inspection Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses an ultrasonic flaw detection device for a rail head area of a steel rail welding seam, which comprises a scanning frame, wherein rollers and magnets are arranged at the bottom of the scanning frame, a data wheel encoder is arranged on the scanning frame, an aviation wire outlet head is arranged at one end of the top of the scanning frame, a probe is arranged on the scanning frame, a compression spring is connected between the probe and the scanning frame, and leaning wheels are connected to the side walls at the two ends of the scanning frame; the roller and the magnet of the scanning frame can enable the scanning frame to be in constant force contact with the steel rail during operation, the data wheel encoder is used for recording displacement data of flaw detection operation of the scanning frame, seven probes are counted on the scanning frame, flaw detection sound velocity is fully covered in the rail head through different deflection angles and center offset incidence points, the fully covered flaw detection effect is achieved, flaw detection efficiency is improved, the compression spring ensures good coupling condition of the probes, and the leaning wheel is used for ensuring that operators can use seat datum planes on the side surfaces of the steel rail during flaw detection operation.
Description
Technical Field
The utility model relates to the technical field of rail flaw detection, in particular to an ultrasonic flaw detection device for a rail head area of a rail welding seam.
Background
The seamless steel rail is a foundation of normal operation of a high-speed railway, poor welding can occur in the welding process of the steel rail, stress or fatigue defects can occur in the using process of the steel rail, the rail line is damaged, the running safety of a train is endangered, the defects in the steel rail welding seam are detected by adopting ultrasonic waves, and the method is a most direct and effective measure for ensuring that the running requirement of the train can be met at the steel rail welding seam.
The existing flaw detection scanning device is used for scanning a rail head part of a steel rail weld joint by adopting a K2.5 probe deflection angle, and has a good flaw detection effect on the upper end and the corners of the rail head, so that an ultrasonic flaw detection device for the rail head part of the steel rail weld joint is provided.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the ultrasonic flaw detection device for the rail head area of the steel rail welding seam, and the probe on the scanning frame fully covers flaw detection sound velocity into the rail head through different deflection angles and center deflection incident points, so that the flaw detection effect of full coverage is achieved, the flaw detection efficiency is improved, the compression spring ensures good coupling condition of the probe, and the leaning wheel is used for ensuring that an operator can seat a datum plane on the side surface of the steel rail in flaw detection operation.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an ultrasonic flaw detection device for rail weld railhead district, includes scans the frame, the bottom of scanning the frame is provided with gyro wheel and magnet, the last data wheel encoder that is provided with of scanning the frame, the top one end of scanning the frame is provided with the air-out end of a thread, be provided with the probe on the scanning frame, be connected with compression spring between probe and the scanning frame, the both ends lateral wall connection of scanning the frame is provided with the return pulley.
Preferably, the probe is a K2.5 probe, and seven probes are designed in total.
Preferably, the probes are respectively marked as A, B, b, C, c, D, d, wherein the probe A is directly incident and parallel to the horizontal direction.
Preferably, the probe B in the probes has an included angle of 6 degrees with the horizontal direction, and the incidence point of the probe is offset by 10mm from the horizontal center line upwards;
and the B probe in the probes is positioned at the other side of the scanning frame 1 relative to the B probe, and the arrangement data of the B probe is the same as that of the B probe.
Preferably, an included angle between the probe C and the horizontal direction is 19 degrees, and the incidence point of the probe is offset downwards by 5mm from the horizontal center line;
and the C probe in the probes is positioned at the other side of the scanning frame 1 relative to the C probe, and the arrangement data of the C probe is the same as that of the C probe.
Preferably, the angle between the probe D and the horizontal direction is 24 degrees, and the incidence point of the probe is offset by 2mm from the horizontal center line upwards;
and D probes in the probes are positioned at the other side of the scanning frame 1 relative to the D probes, and the arrangement data of the D probes are the same as those of the D probes.
Compared with the prior art, the utility model has the following beneficial effects:
the roller and the magnet of the scanning frame can enable the scanning frame to be in constant force contact with the steel rail during operation, the data wheel encoder is used for recording displacement data of flaw detection operation of the scanning frame, seven probes are counted on the scanning frame, flaw detection sound velocity is fully covered in the rail head through different deflection angles and center offset incidence points, the flaw detection effect of full coverage is achieved, flaw detection efficiency is improved, the compression spring enables the probes to be in constant pressure contact with the steel rail detection surface during flaw detection operation of the scanning frame, good coupling condition of the probes is guaranteed, the leaning wheel is used for guaranteeing that operators can use seat reference surfaces on the side surfaces of the steel rail during flaw detection operation, and the leaning wheel is adjusted to enable the scanning frame to be located in the center of the rail head for flaw detection operation.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an outline view of the present utility model.
Fig. 3 is a schematic diagram of the coverage area of the a-probe of the present utility model.
Fig. 4 is a schematic diagram of the coverage areas of the B-probe and the B-probe of the present utility model.
Fig. 5 is a schematic diagram of the C-probe and C-probe coverage areas of the present utility model.
Fig. 6 is a schematic diagram of the coverage areas of the D-probe and D-probe of the present utility model.
Fig. 7 is a schematic view of the overall probe footprint of the present utility model.
Wherein: 1. a scanning frame; 2. a leaning wheel; 3. a data wheel encoder; 4. aerial outlet wire ends; 5. a probe.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Examples
Referring to fig. 1 and 2, the utility model provides an ultrasonic flaw detector for a rail head area of a steel rail weld joint, which comprises a scanning frame 1, wherein rollers and magnets are arranged at the bottom of the scanning frame 1, the scanning frame 1 can be contacted with a steel rail under constant force during operation, a data wheel encoder 3 is arranged on the scanning frame 1 and used for recording displacement data of flaw detection operation of the scanning frame 1, an aviation outlet head 4 is arranged at one end of the top of the scanning frame 1, a probe 5 is arranged on the scanning frame 1, the probes 5 are K2.5 probes, seven probes are designed in total, 7 probes 5 are adopted, the sound velocity is fully covered in the rail head through different deflection angles and center offset incidence points, the flaw detection effect of full coverage is achieved, the flaw detection efficiency is improved, a compression spring is connected between the probes 5 and the scanning frame 1, therefore, when the scanning frame is used for flaw detection operation, the probes 5 can be contacted onto a steel rail detection surface under constant pressure, good coupling conditions of the probes 5 are ensured, and the side walls of two ends of the scanning frame 1 are connected with a leaning wheel 2, and the seat 2 is used for ensuring that flaw detection personnel can be positioned at the center of the rail head 1 through the seat 2 during flaw detection operation.
As shown in fig. 1, 3, 4, 5, 6 and 7, the utility model discloses a probe 5, which is respectively marked as A, B, B, C, C, D, D, wherein a probe a is directly incident and parallel to the horizontal direction, a probe B in the probe 5 is at an included angle of 6 degrees with the horizontal direction, the incidence point of the probe is offset by 10mm from the horizontal center line upwards, a probe B in the probe 5 is positioned at the other side of the scanning frame 1 relative to the probe B, the arrangement data of the probe B is the same as that of the probe B, a probe C in the probe 5 is at an included angle of 19 degrees with the horizontal direction, the incidence point of the probe is offset by 5mm from the horizontal center line downwards, a probe C in the probe 5 is positioned at the other side of the scanning frame 1 relative to the probe C, the arrangement data of the probe C is the same as that of the probe C, the probe D in the probe 5 is at an included angle of 24 degrees with the horizontal direction, the incidence point of the probe is offset by 2mm from the horizontal center line upwards, a probe D in the probe 5 is positioned at the other side of the scanning frame 1 relative to the probe D, the arrangement data of the probe D is the probe is the same as that of the probe, the flaw detection efficiency is improved, and the flaw detection area is fully covered.
Since the offset angle and the offset center position of the probe 5 are finely adjusted according to the manufacturing process of the probe 5, the arrangement angles and positions of the seven probes in the present embodiment include, but are not limited to, the above data.
According to the ultrasonic flaw detection device for the rail head area of the steel rail welding seam, the rollers and the magnets are arranged at the bottom of the scanning frame 1, the scanning frame 1 can be contacted with the steel rail under constant force during operation, the data wheel encoder 3 is arranged on the scanning frame 1 and used for recording displacement data of flaw detection operation of the scanning frame 1, the aviation outlet head 4 is arranged at one end of the top of the scanning frame 1, the probe 5 is arranged on the scanning frame 1, the probe 5 is a K2.5 probe, seven probes are designed in total, the flaw detection speed is fully covered in the rail head by adopting 7 probes 5 through different deflection angles and center offset incidence points, the flaw detection effect of full coverage is achieved, the flaw detection efficiency is improved, the compression springs are connected between the probe 5 and the scanning frame 1, therefore, when the scanning frame is used for flaw detection operation, the probe 5 can be contacted with the steel rail detection surface under constant pressure, good coupling conditions of the probe 5 are guaranteed, the side walls at two ends of the scanning frame 1 are connected with the leaning wheels 2, and the seat is used for guaranteeing that an operator can use the side surface to scan the steel rail to make the rail head 1 to be positioned at the center position for flaw detection operation.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An ultrasonic flaw detection device for a steel rail weld joint railhead area is characterized in that: the automatic scanning device comprises a scanning frame (1), wherein rollers and magnets are arranged at the bottom of the scanning frame (1), a data wheel encoder (3) is arranged on the scanning frame (1), and an aviation outlet wire head (4) is arranged at one end of the top of the scanning frame (1);
a probe (5) is arranged on the scanning frame (1), and a compression spring is connected between the probe (5) and the scanning frame (1);
the side walls at two ends of the scanning frame (1) are connected with leaning wheels (2).
2. An ultrasonic inspection apparatus for a rail weld head area as defined in claim 1, wherein: the probe (5) is a K2.5 probe and is designed to be seven in total.
3. An ultrasonic inspection apparatus for a rail weld head area as defined in claim 2, wherein: the probes (5) are respectively marked as A, B, b, C, c, D, d, wherein the probe A is directly incident and parallel to the horizontal direction.
4. An ultrasonic flaw detection apparatus for a rail weld head area according to claim 3, wherein: the probe B in the probe (5) has an included angle of 6 degrees with the horizontal direction, and the incidence point of the probe is deviated by 10mm from the horizontal center line upwards;
and the B probe in the probe (5) is positioned at the other side of the scanning frame (1) relative to the B probe, and the arrangement data of the B probe is the same as that of the B probe.
5. An ultrasonic flaw detection apparatus for a rail weld head area according to claim 3, wherein: the probe C in the probe (5) has an included angle of 19 degrees with the horizontal direction, and the incidence point of the probe is downwards deviated by 5mm from the horizontal center line;
and the C probe in the probe (5) is positioned at the other side of the scanning frame (1) relative to the C probe, and the arrangement data of the C probe is the same as that of the C probe.
6. An ultrasonic flaw detection apparatus for a rail weld head area according to claim 3, wherein: the probe D in the probe (5) forms an included angle of 24 degrees with the horizontal direction, and the incidence point of the probe is upwards deviated by 2mm from the horizontal central line;
and D probes in the probes (5) are positioned at the other side of the scanning frame (1) relative to the D probes, and the arrangement data of the D probes are the same as those of the D probes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909643.2U CN219915480U (en) | 2023-04-21 | 2023-04-21 | Ultrasonic flaw detection device for steel rail welding seam railhead area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909643.2U CN219915480U (en) | 2023-04-21 | 2023-04-21 | Ultrasonic flaw detection device for steel rail welding seam railhead area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219915480U true CN219915480U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320909643.2U Active CN219915480U (en) | 2023-04-21 | 2023-04-21 | Ultrasonic flaw detection device for steel rail welding seam railhead area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219915480U (en) |
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2023
- 2023-04-21 CN CN202320909643.2U patent/CN219915480U/en active Active
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