CN215678226U - Steel rail flaw detection device - Google Patents
Steel rail flaw detection device Download PDFInfo
- Publication number
- CN215678226U CN215678226U CN202122063079.0U CN202122063079U CN215678226U CN 215678226 U CN215678226 U CN 215678226U CN 202122063079 U CN202122063079 U CN 202122063079U CN 215678226 U CN215678226 U CN 215678226U
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- CN
- China
- Prior art keywords
- flaw detection
- undercarriage
- support bracket
- steel rail
- ultrasonic probe
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model relates to the field of flaw detection devices, in particular to a steel rail flaw detection device; the utility model aims to provide a steel rail flaw detection device capable of keeping the stable distance between an ultrasonic probe and a steel rail. The steel rail flaw detection device comprises an ultrasonic probe, a portal frame, an undercarriage and a support bracket, wherein the portal frame is connected with the support bracket through a screw rod, the support bracket can linearly move along the length direction of the portal frame, one end of the undercarriage is hinged with the support bracket, at least four ultrasonic probes are fixed on the undercarriage in a row, and a flaw detection position is arranged below the undercarriage.
Description
Technical Field
The utility model relates to the field of flaw detection devices, in particular to a steel rail flaw detection device.
Background
When the steel rail is subjected to flaw detection, the handheld probe cannot ensure that the distance between the probe and the steel rail is kept stable, so that the flaw detection effect is poor, and the quality of the steel rail cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel rail flaw detection device capable of keeping the stable distance between an ultrasonic probe and a steel rail.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the steel rail flaw detection device comprises an ultrasonic probe, a portal frame, an undercarriage and a support bracket, wherein the portal frame is connected with the support bracket through a screw rod, the support bracket can linearly move along the length direction of the portal frame, one end of the undercarriage is hinged with the support bracket, at least four ultrasonic probes are fixed on the undercarriage in a row, and a flaw detection position is arranged below the undercarriage.
Further, the landing gear further comprises a cylinder, the cylinder is fixedly connected between the landing gear and the supporting bracket, and the axis of a piston rod of the cylinder is perpendicular to the rotating shaft of the landing gear
The two first guide wheels are arranged at one end, far away from the supporting bracket, of the landing gear and located in the flaw detection position, and the two first guide wheels are symmetrically arranged relative to the ultrasonic probe.
The two second guide wheels are arranged at one end, close to the supporting bracket, of the landing gear and located in the flaw detection position, the two second guide wheels are symmetrically arranged relative to the ultrasonic probe, and the ultrasonic probe is located between the first guide wheel and the second guide wheel.
Further, still include the extension spring, the extension spring is connected between undercarriage and support bracket, and the axis of extension spring is perpendicular with the rotation axis of undercarriage.
The utility model has the beneficial effects that: the steel rail flaw detection device comprises an ultrasonic probe, a portal frame, an undercarriage and a support bracket, wherein the portal frame is connected with the support bracket through a screw rod, the support bracket can linearly move along the length direction of the portal frame, one end of the undercarriage is hinged with the support bracket, at least four ultrasonic probes are fixed on the undercarriage in a row, and a flaw detection position is arranged below the undercarriage.
The ultrasonic probe is fixed on the undercarriage, and the screw rod is rotated to enable the undercarriage to ascend and descend along with the ascending and descending of the support bracket, so that the distance between the undercarriage and the steel rail can be adjusted. When flaw detection is carried out, the steel rail is placed in a flaw detection position, and the distance between the ultrasonic probe fixed on the undercarriage and the steel rail is adjusted by adjusting the distance between the undercarriage and the steel rail. The screw can keep the position of undercarriage stable to make the distance between ultrasonic transducer and the rail keep stable.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is a structural isometric view of the landing gear;
FIG. 5 is a structural elevation view of the landing gear;
parts, positions and numbers in the drawings: undercarriage 1, first guide pulley 101, second guide pulley 102, support bracket 2, portal frame 3, cylinder 4, extension spring 5, screw rod 6, ultrasonic probe 7.
Detailed Description
The utility model will be further explained with reference to the drawings.
The up, down, left and right orientations shown in fig. 1 are the up, down, left and right orientations of the respective parts.
As shown in fig. 1 to 5, the rail flaw detection device comprises ultrasonic probes 7, a portal frame 3, an undercarriage 1 and a support bracket 2, wherein the portal frame 3 is connected with the support bracket 2 through a screw 6, the support bracket 2 can linearly move along the length direction of the portal frame 3, one end of the undercarriage 1 is hinged with the support bracket 2, at least four ultrasonic probes 7 are fixed on the undercarriage 1 in a row, and a flaw detection position is arranged below the undercarriage 1.
In order to adjust the angle between the ultrasonic probe 7 and the steel rail conveniently, the utility model further comprises a cylinder 4, the cylinder 4 is fixedly connected between the undercarriage 1 and the support bracket 2, and the axis of a piston rod of the cylinder 4 is perpendicular to the rotating shaft of the undercarriage 1. The rotation of the undercarriage 1 can be controlled by controlling the extension and contraction of the air cylinder 7, so that the undercarriage 7 is close to or far away from the support bracket, and the included angle between the ultrasonic probe 7 and the steel rail is controlled.
In order to stabilize the movement track of the steel rail during flaw detection, the utility model further comprises first guide wheels 101, two first guide wheels 101 are arranged at one end of the undercarriage 1 far away from the support bracket 2 and are positioned in a flaw detection position, and the two first guide wheels 101 are symmetrically arranged about the ultrasonic probe. 101 are the steel rail walking position between the first guide pulley, put into the rail between the first guide pulley 101, and first guide pulley 101 centre gripping rail, when the rail motion, first guide pulley plays the effect of direction for the rail can not swing at will.
Similarly, the utility model also comprises a second guide wheel 102, two second guide wheels 102 are arranged at one end of the landing gear 1 close to the support bracket 2 and positioned in the flaw detection position, the two second guide wheels 102 are symmetrically arranged about the ultrasonic probe, and the ultrasonic probe 7 is positioned between the first guide wheel 101 and the second guide wheel 102. The second guide wheel 102 can further stabilize the motion track of the steel rail.
In order to make the movement of the undercarriage 1 soft in the rotation process and prevent the collision of the ultrasonic sensor 7 with a steel rail, the utility model also comprises a tension spring 5, wherein the tension spring 5 is connected between the undercarriage 1 and the support bracket 2, and the axis of the tension spring 5 is vertical to the rotating shaft of the undercarriage 1. The tension spring 5 mainly plays a role in buffering when the undercarriage 1 rotates to be close to a steel rail, and the undercarriage 1 can move slowly when approaching the steel rail no matter the undercarriage is retracted manually or the undercarriage 1 is retracted by the air cylinder 7.
Claims (5)
1. Rail flaw detection device, including ultrasonic transducer (7), its characterized in that: still include portal frame (3), undercarriage (1) and support bracket (2), connect through screw rod (6) between portal frame (3) and the support bracket (2), the length direction linear motion of portal frame (3) can be followed in support bracket (2), the one end of undercarriage (1) is articulated with support bracket (2), and four at least ultrasonic probe (7) are one and fix on undercarriage (1), and undercarriage (1) below is for detecting a flaw the position.
2. A steel rail flaw detection apparatus according to claim 1, wherein: the landing gear support is characterized by further comprising a cylinder (4), the cylinder (4) is fixedly connected between the landing gear (1) and the support bracket (2), and the axis of a piston rod of the cylinder (4) is perpendicular to the rotating shaft of the landing gear (1).
3. A steel rail flaw detection apparatus according to claim 2, wherein: the flaw detection device is characterized by further comprising first guide wheels (101), wherein the two first guide wheels (101) are arranged at one end, far away from the supporting bracket (2), of the landing gear (1) and located in a flaw detection position, and the two first guide wheels (101) are symmetrically arranged relative to the ultrasonic probe (7).
4. A steel rail flaw detection apparatus according to claim 3, wherein: the two second guide wheels (102) are arranged at one end, close to the supporting bracket (2), of the landing gear (1) and located in the flaw detection position, the two second guide wheels (102) are symmetrically arranged relative to the ultrasonic probe (7), and the ultrasonic probe (7) is located between the first guide wheel (101) and the second guide wheel (102).
5. A steel rail flaw detection apparatus according to any one of claims 1 to 4, wherein: still include extension spring (5), extension spring (5) are connected between undercarriage (1) and support bracket (2), and the axis of extension spring (5) is perpendicular with the rotation axis of undercarriage (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063079.0U CN215678226U (en) | 2021-08-30 | 2021-08-30 | Steel rail flaw detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122063079.0U CN215678226U (en) | 2021-08-30 | 2021-08-30 | Steel rail flaw detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215678226U true CN215678226U (en) | 2022-01-28 |
Family
ID=79957371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122063079.0U Active CN215678226U (en) | 2021-08-30 | 2021-08-30 | Steel rail flaw detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215678226U (en) |
-
2021
- 2021-08-30 CN CN202122063079.0U patent/CN215678226U/en active Active
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