CN219608845U - Semi-automatic ultrasonic longitudinal defect detection device for steel pipe ends - Google Patents
Semi-automatic ultrasonic longitudinal defect detection device for steel pipe ends Download PDFInfo
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- CN219608845U CN219608845U CN202320153232.5U CN202320153232U CN219608845U CN 219608845 U CN219608845 U CN 219608845U CN 202320153232 U CN202320153232 U CN 202320153232U CN 219608845 U CN219608845 U CN 219608845U
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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
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- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model relates to a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end, which comprises a fixed supporting part, a rotary moving part, a detection part and a connecting part, wherein the fixed supporting part is arranged on the outer side of the fixed supporting part; the fixed support part comprises a first gear ring and a second gear ring, and one sides of the first gear ring and the second gear ring extend towards the circle center to form a pipe end support spring piece and a pipe body support spring piece respectively; the rotary moving part comprises a first rotary gear, a second rotary gear and a rotary screw rod, wherein the first rotary gear and the second rotary gear are respectively and fixedly arranged at two ends of the rotary screw rod, and are respectively meshed with the gear surfaces of the first gear ring and the second gear ring; the detection part is arranged on the rotary screw rod, and the connection part is respectively connected with the fixed supporting part and the rotary moving part, so that the fixed supporting part and the rotary moving part cannot be separated when the rotary moving part rotates along the gear ring; the utility model ensures that the scanning surface of the probe covers 100% of the inspected area, thereby reducing the labor intensity.
Description
Technical Field
The utility model belongs to the technical field of nondestructive testing, and particularly relates to a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end.
Background
The seamless steel pipe is widely applied to the fields of petroleum exploitation, boilers, conveying pipelines, engineering machinery and the like; ultrasonic flaw detection is one of the common methods for detecting seamless steel pipes, and because of large production batch and high required efficiency, steel pipe manufacturing enterprises generally adopt automatic ultrasonic flaw detection equipment, but the automatic flaw detection equipment has a dead zone with undetectable pipe ends, which is also pointed out in the GB/T5777 standard.
Aiming at the ultrasonic flaw detection of the dead zone of the pipe end, an automatic ultrasonic flaw detection mode of the pipe end can be adopted, and an artificial hand-held ultrasonic flaw detection mode can also be adopted; when the hand-held flaw detection is adopted, a flaw detector holds a probe to perform reciprocating scanning on the outer surface of the steel pipe, and meanwhile, flaw detection waveforms are monitored at the required time to display, so that a detected area which is not completely covered by the probe possibly exists, the hand-held flaw detection has high labor intensity and low flaw detection efficiency.
Aiming at the problems, the utility model provides a semi-automatic pipe end ultrasonic flaw detection device for a seamless steel pipe, which can ensure that the scanning surface of a probe covers a detected area by 100 percent, reduce labor intensity and improve working efficiency.
Disclosure of Invention
The utility model provides a semi-automatic pipe end ultrasonic flaw detection device aiming at a seamless steel pipe with the outer diameter of 88.9-139.7 mm and the pipe end blind area of 0-350mm, which effectively reduces labor intensity, improves working efficiency and ensures that the scanning surface of a probe covers the detected area by 100%.
The utility model solves the technical problems by adopting the following technical scheme:
a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end comprises a fixed supporting part, a rotary moving part, a detection part and a connecting part;
the fixed support part comprises a first gear ring and a second gear ring, the first gear ring and the second gear ring are of circular ring structures, the outer side surfaces of the circular ring structures are gear surfaces, one sides of the first gear ring and one side of the second gear ring extend towards the circle center to respectively form a pipe end support spring piece and a pipe body support spring piece, and the pipe end support spring piece and the pipe body support spring piece support the steel pipe;
the rotary moving part comprises a first rotary gear, a second rotary gear and a rotary screw rod, wherein the first rotary gear and the second rotary gear are respectively and fixedly arranged at two ends of the rotary screw rod and are enabled to coaxially and synchronously rotate, and the first rotary gear and the second rotary gear are respectively meshed with gear surfaces of the first gear ring and the second gear ring;
the detection part is installed on the rotary screw rod, and the connecting part is respectively connected with the fixed supporting part and the rotary moving part, so that the fixed supporting part and the rotary moving part cannot be separated when the rotary moving part rotates along the gear ring.
Further, the detection part comprises a screw sleeve and a probe connecting rod; one end of the screw sleeve is in threaded connection with the rotary screw, the other end of the screw sleeve is connected with the probe connecting rod, the probe is installed at the other end of the probe connecting rod, and the screw sleeve can axially move along with the rotation of the rotary screw.
Furthermore, the probe connecting rod is of a telescopic structure, a compression spring is sleeved on the probe connecting rod, and the compression spring provides compression force to enable the probe to be tightly attached to the outer wall of the steel pipe.
Furthermore, the connecting portion comprises two connecting plates and connecting rods, the two connecting plates are connected through a plurality of connecting rods, and a plurality of bearings are fixed on the connecting plates at equal intervals.
Further, the screw sleeve penetrates through the connecting rod and can axially move along the connecting rod, the screw sleeve is installed on the rotary screw in a threaded mode, and when the rotary screw rotates, the screw sleeve can axially move.
Further, two ends of the rotating screw rod penetrate through the connecting plates respectively and can freely rotate through the connecting plates, and a rotating handle is fixedly arranged at one end of the rotating screw rod penetrating through the connecting plates.
Furthermore, an annular groove is formed on the gear ring of the fixed supporting part, and the bearing is installed in a limiting mode through the annular groove, so that the connecting plate is in rotatable limiting connection with the gear ring.
Further, the gear surface of the gear ring is in modulus matching with the rotating gear, the screw sleeve is in screwing tooth matching with the rotating screw, and when the rotating gear rotates for one circle along the gear surface of the gear ring, the moving distance of the screw sleeve is equal to the size of the scanning surface of the probe wafer.
The utility model has the advantages and positive effects that:
the semi-automatic pipe end ultrasonic flaw detection device provided by the utility model ensures that the scanning surface of the probe covers 100% of the inspected area, reduces labor intensity and improves flaw detection efficiency.
Drawings
The technical solution of the present utility model will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for the purpose of illustration only and thus are not limiting the scope of the present utility model. Moreover, unless specifically indicated otherwise, the drawings are intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end in use according to an embodiment of the present utility model;
fig. 2 is a front view of a first gear ring of a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end, which is provided by an embodiment of the utility model;
FIG. 3 is a side view of a first gear ring of a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end, provided by an embodiment of the utility model;
fig. 4 is a front view of a second gear ring of the semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to the embodiment of the present utility model;
fig. 5 is a side view of a second gear ring of the semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end, provided by the embodiment of the utility model;
fig. 6 is a schematic structural view of a rotary moving part of a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end according to an embodiment of the present utility model;
fig. 7 is a side view of a connecting plate of a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end, which is provided by the embodiment of the utility model;
fig. 8 is a schematic structural diagram of a detection part of a semi-automatic ultrasonic longitudinal defect detection device for a steel pipe end according to an embodiment of the present utility model.
Detailed Description
First, it should be noted that the following detailed description of the specific structure, characteristics, advantages, and the like of the present utility model will be given by way of example, however, all descriptions are merely illustrative, and should not be construed as limiting the present utility model in any way. Furthermore, any single feature described or implied in the embodiments mentioned herein, or any single feature shown or implied in the figures, may nevertheless be continued in any combination or pruning between these features (or equivalents thereof) to obtain still further embodiments of the utility model that may not be directly mentioned herein. In addition, for the sake of simplicity of the drawing, identical or similar features may be indicated at one point in the same drawing.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
As shown in fig. 1 to 8, the semi-automatic ultrasonic longitudinal defect detection device for the pipe end of the steel pipe provided by the embodiment comprises a fixed supporting part 1, a rotary moving part 2, a detecting part 3 and a connecting part 4;
the fixed support part comprises a first gear ring 101 and a second gear ring 102, the first gear ring and the second gear ring are of circular ring structures, the outer side surfaces of the circular ring structures are gear surfaces, one sides of the first gear ring and the second gear ring extend towards the circle center direction to respectively form a pipe end support spring piece 12 and a pipe body support spring piece 13, the pipe end support spring piece 12 and the pipe body support spring piece 13 support the steel pipe, and the pipe end support spring piece 12 and the pipe body support spring piece 13 are support pieces with certain elasticity and realize deformation in a specific size;
the rotary moving part 2 comprises a first rotary gear 201, a second rotary gear 202 and a rotary screw 22, wherein the first rotary gear 201 and the second rotary gear 202 are respectively and fixedly arranged at two ends of the rotary screw 22 and rotate coaxially and synchronously, and the first rotary gear 201 and the second rotary gear 202 are respectively meshed with gear surfaces of the first gear ring and the second gear ring;
the detection part is mounted on the rotary screw 22, and the connection part is respectively connected with the fixed support part 1 and the rotary moving part 2, so that the fixed support part 1 and the rotary moving part 2 cannot be separated when the rotary moving part 2 rotates along the gear ring.
The detection part 3 comprises a screw sleeve 31 and a probe connecting rod 32; one end of the screw sleeve 31 is in threaded connection with the rotary screw 22, the other end of the screw sleeve is connected with the probe connecting rod 32, the other end of the probe connecting rod 32 is provided with a probe, and the screw sleeve 31 can move along the axial direction along with the rotation of the rotary screw 22.
It is also possible to consider: the probe connecting rod 32 is of a telescopic structure, the probe connecting rod 32 is sleeved with a compression spring 33, and the compression spring 33 provides compression force to enable the probe to be tightly attached to the outer wall of the steel tube.
The connecting portion 4 comprises two connecting plates 41 and connecting rods 42, the two connecting plates 41 are connected through a plurality of connecting rods 42, and a plurality of bearings 43 are fixed on the connecting plates 41 at equal intervals.
The screw sleeve 31 passes through the connecting rod 42 and is axially movable along the connecting rod 42, the screw sleeve 31 is screw-mounted on the rotary screw 22, and the screw sleeve 31 is axially movable when the rotary screw 22 is rotated.
The two ends of the rotating screw rod 22 respectively penetrate through the connecting plates and can freely rotate through the connecting plates, and the rotating handle 23 is fixedly arranged at one end of the rotating screw rod 22 penetrating through the connecting plates.
Annular grooves 14 are formed on the two gear rings of the fixed support part 1, and the bearing is installed through limiting of the annular grooves, so that the connecting plate 41 is in rotatable limiting connection with the gear ring 11.
The gear surfaces of the two gear rings are in modulus matching with the two rotating gears, the screw sleeve 31 is in screwing tooth matching with the rotating screw 22, and when the rotating gears rotate for one circle along the gear surfaces of the gear rings, the moving distance of the screw sleeve 31 is equal to the size of the scanning surface of the probe wafer.
When the detection device is installed, the following steps can be adopted:
firstly, placing a plurality of bearings 43 in the annular groove 14, wherein the bearings 43 are evenly distributed along the circumference, fixing the bearings 43 on the connecting plate 41 through bolts, and tightening the bolts to enable the gear ring to freely rotate under the constraint of the bearings 43; secondly, screwing the screw sleeve 31 onto the rotary screw 22, installing two rotary gears at two ends of the screw, fixing the rotary gears at two ends of the screw through key grooves and keys, and connecting the rotary gears into an integrated structure; thirdly, installing the integrated structure of the second step on the shaft hole of the connecting plate 41 to enable the rotating gear to be meshed with the gear ring; fourthly, connecting the two connecting plates 41 into a whole through the connecting rod 42, and fixing two ends of the connecting rod 42 on the two connecting plates 41 through bolts; fifth, the rotary handle 23 is mounted on one side of the rotary screw.
When the device is required to be detected, the first gear ring 101 at the pipe body end of the device is sleeved on the pipe end of the detected steel pipe, the device is pushed to the pipe body direction until the first gear ring 101 at the pipe end of the device is completely sleeved on the steel pipe, and the tensioning condition of the supporting spring piece of the inner wall and the outer wall is checked, so that the supporting spring piece is tensioned on the inner wall and the outer wall of the steel pipe, and the gear ring and the steel pipe are kept fixed and do not slide relatively; placing the probe on the probe connecting rod 32, enabling the compression spring 33 to compress the probe, enabling the probe to be tightly attached to the outer wall of the steel pipe A, and moving the probe to the end of the steel pipe; the rotary handle 23 is rotated at a relatively constant speed, the rotary gear rolls on the circumference of the gear ring, the rotary gear drives the rotary screw 22 to rotate, the rotary screw 22 drives the screw sleeve 31 to axially move along the steel pipe, so that a probe fixed on the probe connecting rod 32 moves along the axis direction of the detected steel pipe in a spiral way, the probe can scan the detected area of the steel pipe in a spiral way, when the rotary device is used, a flaw detector only needs to observe the waveform display of the flaw detector, when a suspected signal is found out, the device can be slowly rotated along a small radian in the forward and reverse directions, the severity of the defect position is further confirmed, and if necessary, defect identification is carried out until the detection is completely completed.
The foregoing examples illustrate the utility model in detail, but are merely preferred embodiments of the utility model and are not to be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (8)
1. The semi-automatic ultrasonic longitudinal defect detection device for the steel pipe end is characterized by comprising a fixed supporting part, a rotary moving part, a detection part and a connecting part;
the fixed support part comprises a first gear ring and a second gear ring, the first gear ring and the second gear ring are of circular ring structures, the outer side surfaces of the circular ring structures are gear surfaces, one sides of the first gear ring and one side of the second gear ring extend towards the circle center to respectively form a pipe end support spring piece and a pipe body support spring piece, and the pipe end support spring piece and the pipe body support spring piece support the steel pipe;
the rotary moving part comprises a first rotary gear, a second rotary gear and a rotary screw rod, wherein the first rotary gear and the second rotary gear are respectively and fixedly arranged at two ends of the rotary screw rod and are enabled to coaxially and synchronously rotate, and the first rotary gear and the second rotary gear are respectively meshed with gear surfaces of the first gear ring and the second gear ring;
the detection part is installed on the rotary screw rod, and the connecting part is respectively connected with the fixed supporting part and the rotary moving part, so that the fixed supporting part and the rotary moving part cannot be separated when the rotary moving part rotates along the gear ring.
2. The semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to claim 1, wherein the device comprises: the detection part comprises a screw sleeve and a probe connecting rod; one end of the screw sleeve is in threaded connection with the rotary screw, the other end of the screw sleeve is connected with the probe connecting rod, the probe is installed at the other end of the probe connecting rod, and the screw sleeve can axially move along with the rotation of the rotary screw.
3. The semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to claim 2, wherein: the probe connecting rod is of a telescopic structure, the probe connecting rod is sleeved with a compression spring, and the compression spring provides compression force to enable the probe to be tightly attached to the outer wall of the steel pipe.
4. The semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to claim 2, wherein: the connecting portion comprises two connecting plates and connecting rods, the two connecting plates are connected through a plurality of connecting rods, and a plurality of bearings are fixed on the connecting plates at equal intervals.
5. The semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to claim 4, wherein: the screw sleeve penetrates through the connecting rod and can axially move along the connecting rod, the screw sleeve is installed on the rotary screw in a threaded mode, and when the rotary screw rotates, the screw sleeve can axially move.
6. The semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to claim 4, wherein: the two ends of the rotary screw rod respectively penetrate through the connecting plates and can freely rotate through the connecting plates, and the rotary screw rod penetrates through one end of each connecting plate to be fixedly provided with a rotary handle.
7. The semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to claim 4, wherein: an annular groove is formed on the gear ring of the fixed supporting part, and the bearing is installed in a limiting mode through the annular groove, so that the connecting plate is in rotatable limiting connection with the gear ring.
8. The semi-automatic ultrasonic longitudinal defect detection device for the end of a steel pipe according to claim 2, wherein: the gear surface of the gear ring is in modulus matching with the rotating gear, the screw sleeve is in screwing tooth matching with the rotating screw, and when the rotating gear rotates for one circle along the gear surface of the gear ring, the moving distance of the screw sleeve is equal to the size of the scanning surface of the probe wafer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153232.5U CN219608845U (en) | 2023-02-08 | 2023-02-08 | Semi-automatic ultrasonic longitudinal defect detection device for steel pipe ends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320153232.5U CN219608845U (en) | 2023-02-08 | 2023-02-08 | Semi-automatic ultrasonic longitudinal defect detection device for steel pipe ends |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219608845U true CN219608845U (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320153232.5U Active CN219608845U (en) | 2023-02-08 | 2023-02-08 | Semi-automatic ultrasonic longitudinal defect detection device for steel pipe ends |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219608845U (en) |
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2023
- 2023-02-08 CN CN202320153232.5U patent/CN219608845U/en active Active
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