CN219302357U - Ultrasonic flaw detection instrument for stainless steel pipe - Google Patents
Ultrasonic flaw detection instrument for stainless steel pipe Download PDFInfo
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- CN219302357U CN219302357U CN202320136812.3U CN202320136812U CN219302357U CN 219302357 U CN219302357 U CN 219302357U CN 202320136812 U CN202320136812 U CN 202320136812U CN 219302357 U CN219302357 U CN 219302357U
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- steel pipe
- ultrasonic flaw
- trolley
- stainless steel
- flaw detector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses an ultrasonic flaw detection instrument for stainless steel pipes, which comprises a conveying rail, a bracket, an electromagnet arranged on the bracket, a trolley with universal wheels and an ultrasonic flaw detection instrument arranged on the trolley, wherein the top and the bottom of the ultrasonic flaw detection instrument are respectively provided with a detection probe, the two detection probes are respectively exposed out of the top and the bottom of the trolley, the top of the trolley is provided with an adsorption block corresponding to the electromagnet, the trolley is adsorbed and positioned in the steel pipe, the universal wheels of the trolley are abutted against the inner wall of the steel pipe, and the conveying rail is provided with a first driving mechanism and a second driving mechanism for driving the steel pipe to advance and retreat.
Description
Technical Field
The utility model relates to an ultrasonic flaw detector for stainless steel pipes.
Background
In the prior art, a steel pipe ultrasonic flaw detector is generally arranged in an annular seat body, a steel pipe passes through the middle part of the seat body, and a probe of the ultrasonic flaw detector is close to the outer wall of the steel pipe to detect the flaw of the steel pipe; the ultrasonic flaw detector with the structure has the advantages that the ultrasonic flaw detector is in a spiral line shape, so that more time is obviously required for detecting the steel pipe, the efficiency is low, and ultrasonic waves easily penetrate through the pipe wall in the flaw detection process to directly display the states of two layers of pipe walls, so that the flaw detection structure is inaccurate.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the ultrasonic flaw detector for the large-caliber thin-wall stainless steel tube, which has higher detection efficiency and more accurate result.
The technical scheme of the utility model is as follows: the ultrasonic flaw detection instrument for the stainless steel tube comprises a conveying rail, a bracket, an electromagnet arranged on the bracket, a trolley with universal wheels and an ultrasonic flaw detection instrument arranged on the trolley;
the top and the bottom of the ultrasonic flaw detection instrument are respectively provided with a detection probe, and the two detection probes are respectively exposed out of the top and the bottom of the trolley;
the detected steel pipe is arranged on the conveying rail, and the electromagnet is positioned above the steel pipe and keeps a distance from the outer wall of the steel pipe;
the top of the trolley is also provided with an adsorption block corresponding to the electromagnet, the trolley is adsorbed and positioned in the steel pipe, the universal wheels of the trolley are abutted against the inner wall of the steel pipe, and the detection probe positioned at the top of the trolley keeps a distance with the inner wall of the steel pipe;
the conveying rail is provided with a first driving mechanism and a second driving mechanism for driving the steel pipe to advance and retreat.
Specifically, the first driving mechanism is a plurality of conveying rollers which are equidistantly arranged, and the second driving mechanism is a driving wheel which is obliquely arranged relative to the advancing or retreating direction of the steel pipe.
Further, two ends of each conveying roller are respectively and rotatably connected to a base, one end of each conveying roller is further provided with a transmission disc, the transmission discs are connected through a transmission chain, and one of the conveying rollers is connected with a forward and reverse rotation speed reducing motor.
Further, the driving wheel is rotatably connected to the frame body, the frame body is arranged on one side of the conveying rail in a turnover mode through an air cylinder, a driving motor is arranged at the bottom of the frame body, and an output shaft of the driving motor is connected with the driving wheel through a belt; when the steel pipe is driven to rotate, the piston rod of the air cylinder stretches out to enable the driving wheel to abut against the outer wall of the steel pipe to rotate, and when the steel pipe does not need to rotate, the piston rod of the air cylinder retracts to enable the driving wheel to be far away from the steel pipe.
Further, the bottom of the electromagnet is provided with an arc-shaped bottom corresponding to the outer wall of the steel pipe.
Further, the support is arranged at the input end of the conveying rail.
Further, the support comprises two stand columns which are respectively arranged on two sides of the conveying rail and a cross beam which is connected to the stand columns in a lifting mode, and the electromagnet is fixed below the cross beam.
Specifically, the adsorption block is a steel block, and the interval is kept between the adsorption block and the inner wall of the steel pipe.
Further, the absorption piece is the cavity spare, the top of absorption piece is equipped with the thickening steel layer.
Further, two universal wheels are respectively arranged on the outer sides of the trolleys, and each universal wheel comprises a base and balls arranged on the base.
The beneficial effects of the utility model are as follows: the utility model can effectively improve the flaw detection efficiency of the large-caliber thin-wall stainless steel pipe, and can effectively avoid the problem of inaccurate flaw detection result caused by the fact that ultrasonic waves directly penetrate through the pipe wall of the two layers of steel pipes during flaw detection because the flaw detection is carried out from the inside of the large-caliber thin-wall steel pipe to the outside.
Drawings
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a schematic diagram of the side structure of the present utility model;
fig. 3 is a schematic view of the structure of the top of the trolley of the present utility model.
In the figure: the device comprises a conveying rail 1, a bracket 2, an electromagnet 3, universal wheels 4, a trolley 5, an ultrasonic flaw detection detector 6, a detection probe 7, a steel pipe 8, an adsorption block 9, a first driving mechanism 10, a second driving mechanism 11, a stand column 12 and a cross beam 13.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Referring to fig. 1 to 3, an ultrasonic flaw detector 6 for stainless steel pipes comprises a conveying rail 1, a bracket 2, an electromagnet 3 arranged on the bracket 2, a trolley 5 with universal wheels 4 and an ultrasonic flaw detector 6 arranged on the trolley 5;
the top and the bottom of the ultrasonic flaw detector 6 are respectively provided with a detection probe 7, and the two detection probes 7 are respectively exposed out of the top and the bottom of the trolley 5;
the detected steel pipe 8 is arranged on the conveying rail 1, and the electromagnet 3 is positioned above the steel pipe 8 and keeps a distance from the outer wall of the steel pipe 8 so as to avoid friction with the steel pipe 8;
the top of the trolley 5 is also provided with an adsorption block 9 corresponding to the electromagnet 3, the trolley 5 is adsorbed and positioned in the steel pipe 8, the universal wheels 4 of the trolley 5 are abutted against the inner wall of the steel pipe 8, and the detection probe 7 positioned at the top of the trolley 5 is kept at a distance from the inner wall of the steel pipe 8, so that the detection probe 7 and the steel pipe 8 are prevented from being damaged by friction;
the conveying rail 1 is provided with a first driving mechanism 10 and a second driving mechanism 11 for driving the steel pipe 8 to advance and retreat.
In another embodiment, the first driving mechanism 10 is a plurality of conveying rollers which are equidistantly arranged, and the second driving mechanism 11 is a driving wheel which is obliquely arranged relative to the advancing or retreating direction of the steel pipe 8.
In another embodiment, as shown in fig. 1, two ends of each conveying roller are respectively and rotatably connected to a base, one end of each conveying roller is further provided with a transmission disc, each transmission disc is connected through a transmission chain, and one of the conveying rollers is connected with a forward and reverse rotation speed reducing motor.
In another embodiment, as shown in fig. 2, the driving wheel is rotatably connected to a frame body, the frame body is turned over by a cylinder and arranged on one side of the conveying rail 1, a driving motor is arranged at the bottom of the frame body, and an output shaft of the driving motor is connected with the driving wheel by a belt; when the steel pipe 8 is driven to rotate, the piston rod of the air cylinder stretches out to enable the driving wheel to abut against the outer wall of the steel pipe 8 to rotate, and when the steel pipe 8 does not need to rotate, the piston rod of the air cylinder retracts to enable the driving wheel to be far away from the steel pipe 8.
The working principle of the structure is as follows: the large-caliber thin-wall stainless steel pipe is arranged on the conveying rail 1, one end of the large-caliber thin-wall stainless steel pipe is positioned below the bracket 2, the trolley 5 provided with the ultrasonic flaw detection detector 6 is arranged in the end steel pipe 8, and the electromagnet 3 is started to enable the trolley 5 to be adsorbed and positioned; when flaw detection is carried out, the steel pipe 8 slowly rotates and moves forward under the action of the first driving mechanism 10 and the second driving mechanism 11, and as the top and the bottom of the ultrasonic flaw detector 6 are respectively provided with the detection probes 7, when the flaw detection is carried out, the detection probes 7 positioned at the bottom carry out rough detection, and when the position of the suspected flaw of the steel pipe 8 is detected, the first driving mechanism 10 and the second driving mechanism 11 are matched to enable the suspected position of the steel pipe 8 to move to the position below the detection probes 7 positioned at the top, and close-range re-detection is carried out; the detection efficiency of the large-caliber steel pipe 8 can be effectively improved by adopting the structure because the detection range of the detection probe 7 positioned at the bottom is relatively larger, and the problem that the flaw detection result is inaccurate because ultrasonic waves directly penetrate through the pipe walls of the two layers of steel pipes 8 during flaw detection can be effectively avoided because the detection is carried out from the inside of the large-caliber thin-wall steel pipe 8.
In another embodiment, as shown in fig. 1, the bottom of the electromagnet 3 has an arc-shaped bottom corresponding to the outer wall of the steel pipe 8, so as to better conform to the shape of the steel pipe 8 and maintain the adsorption to the trolley 5.
In another embodiment, as shown in fig. 2, the bracket 2 is disposed at the input end of the conveying rail 1, and the steel pipe 8 can enter and exit the conveying rail 1 once to perform two-wheel flaw detection.
In another embodiment, as shown in fig. 1 and fig. 2, the support 2 includes two upright posts 12 respectively disposed at two sides of the conveying rail 1, and a beam 13 connected to the upright posts 12 in a lifting manner, the electromagnet 3 is fixed below the beam 13, and the height of the beam 13 is adjustable so as to adapt to detection of steel pipes 8 with different inner diameters.
In another embodiment, as shown in fig. 1, the adsorption block 9 is a steel block, and the adsorption block 9 and the inner wall of the steel pipe 8 keep a distance so as to avoid friction between the adsorption block 9 and the inner wall of the steel pipe 8.
In another embodiment, as shown in fig. 1, the adsorption block 9 is a hollow member, and a thickened steel layer is provided on the top of the adsorption block 9 to reduce the dead weight and ensure the adsorption effect.
In another embodiment, as shown in fig. 3, two universal wheels 4 are respectively arranged on the outer sides of the trolley 5, and the universal wheels 4 comprise a base and balls arranged on the base.
Claims (10)
1. An ultrasonic flaw detector (6) for stainless steel pipes is characterized by comprising a conveying rail (1), a bracket (2), an electromagnet (3) arranged on the bracket (2), a trolley (5) with universal wheels (4) and the ultrasonic flaw detector (6) arranged on the trolley (5);
the top and the bottom of the ultrasonic flaw detection instrument (6) are respectively provided with a detection probe (7), and the two detection probes (7) are respectively exposed out of the top and the bottom of the trolley (5);
the detected steel pipe (8) is arranged on the conveying rail (1), and the electromagnet (3) is positioned above the steel pipe (8) and keeps a distance from the outer wall of the steel pipe (8);
the top of the trolley (5) is also provided with an adsorption block (9) corresponding to the electromagnet (3), the trolley (5) is adsorbed and positioned in the steel pipe (8), the universal wheels (4) of the trolley (5) are abutted against the inner wall of the steel pipe (8), and the detection probe (7) positioned at the top of the trolley (5) is kept at a distance from the inner wall of the steel pipe (8);
the conveying rail (1) is provided with a first driving mechanism (10) and a second driving mechanism (11) for driving the steel pipe (8) to advance and retreat.
2. An ultrasonic flaw detector (6) for a stainless steel pipe according to claim 1, wherein the first driving mechanism (10) is a plurality of conveying rollers arranged at equal intervals, and the second driving mechanism (11) is a driving wheel arranged obliquely with respect to the advancing or retreating direction of the steel pipe (8).
3. The ultrasonic flaw detector (6) for stainless steel pipes as claimed in claim 2, wherein both ends of each of said conveying rollers are respectively rotatably connected to a base, one end of each of said conveying rollers is further provided with a transmission disc, each of said transmission discs is connected by a transmission chain, and one of said conveying rollers is connected to a forward and reverse rotation speed reducing motor.
4. An ultrasonic flaw detector (6) for stainless steel pipes according to claim 3, wherein the driving wheel is rotatably connected to a frame body, the frame body is arranged at one side of the conveying rail (1) through cylinder overturning, a driving motor is arranged at the bottom of the frame body, and an output shaft of the driving motor is connected with the driving wheel through a belt; when the steel pipe (8) is driven to rotate, the piston rod of the air cylinder stretches out to enable the driving wheel to abut against the outer wall of the steel pipe (8) to rotate, and when the steel pipe (8) does not need to rotate, the piston rod of the air cylinder retracts to enable the driving wheel to be far away from the steel pipe (8).
5. An ultrasonic flaw detector (6) for a stainless steel pipe according to claim 4, characterized in that the bottom of the electromagnet (3) has an arc-shaped bottom corresponding to the outer wall of the steel pipe (8).
6. An ultrasonic flaw detector (6) for a stainless steel pipe according to claim 5, wherein said bracket (2) is provided at an input end of a conveying rail (1).
7. The ultrasonic flaw detector (6) for stainless steel pipes according to claim 6, wherein the bracket (2) comprises two upright posts (12) respectively arranged at two sides of the conveying rail (1) and a cross beam (13) connected to the upright posts (12) in a lifting manner, and the electromagnet (3) is fixed below the cross beam (13).
8. The ultrasonic flaw detector (6) for a stainless steel pipe according to claim 7, wherein said absorption block (9) is a steel block, and said absorption block (9) is spaced from the inner wall of the steel pipe (8).
9. The ultrasonic flaw detector (6) for stainless steel pipes as claimed in claim 8, wherein said absorption block (9) is a hollow member, and a thickened steel layer is provided on the top of said absorption block (9).
10. The ultrasonic flaw detector (6) for stainless steel pipes as claimed in claim 9, wherein two universal wheels (4) are respectively arranged on the outer sides of the trolley (5), and the universal wheels (4) comprise a base and balls arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136812.3U CN219302357U (en) | 2023-02-07 | 2023-02-07 | Ultrasonic flaw detection instrument for stainless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320136812.3U CN219302357U (en) | 2023-02-07 | 2023-02-07 | Ultrasonic flaw detection instrument for stainless steel pipe |
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| Publication Number | Publication Date |
|---|---|
| CN219302357U true CN219302357U (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320136812.3U Active CN219302357U (en) | 2023-02-07 | 2023-02-07 | Ultrasonic flaw detection instrument for stainless steel pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092121A (en) * | 2023-10-20 | 2023-11-21 | 成都市特种设备检验检测研究院(成都市特种设备应急处置中心) | Titanium alloy gas cylinder forming quality detection equipment and method |
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2023
- 2023-02-07 CN CN202320136812.3U patent/CN219302357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117092121A (en) * | 2023-10-20 | 2023-11-21 | 成都市特种设备检验检测研究院(成都市特种设备应急处置中心) | Titanium alloy gas cylinder forming quality detection equipment and method |
| CN117092121B (en) * | 2023-10-20 | 2024-01-26 | 成都市特种设备检验检测研究院(成都市特种设备应急处置中心) | Titanium alloy gas cylinder forming quality detection equipment and method |
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