CN220881773U - Auxiliary device for grinding and forming cambered surface of oblique steel pipe flaw probe - Google Patents
Auxiliary device for grinding and forming cambered surface of oblique steel pipe flaw probe Download PDFInfo
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- CN220881773U CN220881773U CN202322773701.6U CN202322773701U CN220881773U CN 220881773 U CN220881773 U CN 220881773U CN 202322773701 U CN202322773701 U CN 202322773701U CN 220881773 U CN220881773 U CN 220881773U
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- steel pipe
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- grinding
- auxiliary device
- cambered surface
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- 239000000523 sample Substances 0.000 title claims abstract description 52
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 37
- 239000010959 steel Substances 0.000 title claims abstract description 37
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000007493 shaping process Methods 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 abstract description 14
- 230000006378 damage Effects 0.000 abstract description 11
- 208000014674 injury Diseases 0.000 abstract description 11
- 238000001514 detection method Methods 0.000 description 7
- 244000137852 Petrea volubilis Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model relates to a cambered surface grinding forming auxiliary device for a steel pipe inclined flaw probe, which comprises a fixed bracket and a positioning disc; square bar; the positioning plate is arranged at one end of the fixed support and can be fixed after rotating at one end of the fixed support by a certain angle, the square rod passes through the positioning plate, the probe box is fixedly arranged at one end of the square rod positioned in the fixed support, and the square rod between the probe box and the positioning plate is sleeved with the compression spring; according to the utility model, the needed oblique injury angle is adjusted through the scale marks and the positioning datum lines, the grinded probe is placed in the probe box, and then the device is placed on the abrasive paper on the surface of the steel pipe, so that the arc surface of the oblique injury probe can be ground, the grinding efficiency can be improved, the accuracy of the oblique injury arc surface can be ensured, and the success rate is greatly improved.
Description
Technical Field
The utility model belongs to the technical field of steel pipe ultrasonic nondestructive testing, and particularly relates to an auxiliary device for grinding and forming an arc surface of a steel pipe oblique flaw probe.
Background
The seamless steel pipe is widely applied to a plurality of industrial fields such as petroleum exploitation, pipeline transportation, mechanical engineering and the like, and ultrasonic flaw detection is an important detection means in the steel pipe manufacturing process. In the steel pipe purchasing technical requirements of large-scale engineering projects, the internationally known large company is required to detect oblique injuries such as oblique injuries of angles of 5 degrees, 10 degrees, 15 degrees, 20 degrees and the like on the surface of the steel pipe besides ultrasonic detection of longitudinal and transverse injuries. In the steel pipe flaw detection process, the cambered surface of the portable ultrasonic probe is consistent with the outer diameter of the detected steel pipe, and the better the curvature consistency is, the better the coupling effect between the probe and the steel pipe is, so that the best effect can be achieved in flaw detection.
In the prior art, a piece of abrasive paper is covered on a steel pipe with the outer diameter identical to that of a detected steel pipe, and a hand-held probe moves reciprocally on the abrasive paper, so that the surface of the probe is ground into an arc surface with the curvature identical to that of the outer diameter of the steel pipe. When the probe is obliquely injured by grinding, the cambered surface of the probe needs to form a certain included angle with the axis of the steel pipe, so that the cambered surface angle is difficult to ensure by a handheld grinding mode, and the flaw detection effect of oblique injury is further affected. The defects are that: the grinding operation is inconvenient, the grinding precision is insufficient to influence the flaw detection effect, and the grinding qualification rate is low.
Disclosure of Invention
The utility model aims to provide an auxiliary device for grinding and forming the cambered surface of a steel pipe inclined flaw probe, which has the advantages of high grinding and forming precision, quick and convenient operation and the like.
The utility model solves the technical problems by adopting the following technical scheme:
The auxiliary device for grinding and forming the cambered surface of the steel pipe inclined flaw probe comprises a fixed bracket and a positioning disc; square bar;
The positioning disk is installed one end of the fixed support, and can be fixed after one end of the fixed support rotates by a certain angle, the square rod passes through the positioning disk, the square rod is located one end fixed mounting probe box in the fixed support, and a compression spring is sleeved on the square rod between the probe box and the positioning disk.
Furthermore, the fixed support is of a circular ring structure, and the fixed support on the opposite side of the positioning plate forms a V-shaped base structure.
Furthermore, scale marks are arranged on the upper surface of the positioning disk in the circumferential direction.
Further, the scale division value of the scale mark is 5 degrees, 1 degrees or 0.5 degrees.
Further, a positioning datum line is arranged on the upper surface of the fixing bracket, and the positioning datum line is parallel to the axis of the carved sampling tube.
Furthermore, the lower part of the positioning disk is provided with a cylindrical ring surface, and a gap is reserved between the cylindrical ring surface and the inner wall of the fixed support, so that the positioning disk can freely rotate in the fixed support through the cylindrical ring surface.
Furthermore, the probe box is consistent with the shape of the probe to be ground, so that the probe to be ground can be arranged in the probe box, and the clearance quantity around the four surfaces is smaller than 1mm.
Further, a locking screw is arranged on the fixing support, and when the positioning plate is adjusted to a proper position, the position of the positioning plate is locked through the locking screw.
Furthermore, the positioning plate is provided with an inlet, and the square rod can pass through the positioning plate through the inlet.
The utility model has the advantages and positive effects that:
According to the utility model, the needed oblique injury angle is adjusted through the scale marks and the positioning datum lines, the grinded probe is placed in the probe box, and then the device is placed on the abrasive paper on the surface of the steel pipe, so that the arc surface of the oblique injury probe can be ground, the grinding efficiency can be improved, the accuracy of the oblique injury arc surface can be ensured, and the success rate is greatly improved.
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 view in front cross section of an auxiliary device for grinding and forming an arc surface of a steel tube oblique fracture probe according to the utility model
FIG. 2 is a schematic top view of the auxiliary device for grinding and forming the cambered surface of the oblique flaw probe of the steel pipe;
FIG. 3 is a schematic top view of the apparatus of the present utility model using 10℃oblique flaw grinding.
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 application and features of the embodiments may be combined with each other.
As shown in fig. 1 to 3, the auxiliary device for grinding and forming the cambered surface of the oblique steel pipe flaw probe provided by the embodiment comprises a fixed bracket 1 and a positioning disc 2; square bar 3;
The positioning plate 2 is arranged at one end of the fixed support and can be fixed after one end of the fixed support rotates by a certain angle, the square rod penetrates through the positioning plate 2, the square rod is positioned at one end in the fixed support and is fixedly provided with the probe box 4, and the square rod between the probe box and the positioning plate is sleeved with the compression spring 5.
The fixed support is of a circular ring structure, and the fixed support on the opposite side of the positioning plate 2 forms a V-shaped base structure; as shown in figure 1, the fixed support 1 is cylindrical, the bottom is provided with the V-shaped seat 11, and when the device is used, the V-shaped seat 11 is placed on the surface of a steel pipe.
The upper surface of the positioning disk 2 is provided with scale marks 21 in the circumferential direction, the scale division value is 5 degrees, and when the oblique injury requirement of a special angle exists, the scale division value of the positioning disk can be set to be 1 degrees or 0.5 degrees; the lower part of the positioning disc 2 is provided with a cylindrical ring surface, a gap is formed between the cylindrical ring surface and the inner wall of the fixed support 1, and the hole gap is between 0.1 and 0.3mm, so that the positioning disc 2 can be placed into the fixed support 1 through the cylindrical ring surface and can rotate freely.
The upper surface of the fixed bracket 1 is provided with a positioning reference line 12, and the positioning reference line 12 is parallel to the axis of the carved sample tube.
The probe box 4 is consistent with the shape of the probe to be ground, so that the probe to be ground can be arranged in the probe box 4, and the clearance quantity around the four surfaces is smaller than 1mm.
The fixing support is provided with a locking screw 6 which is used as a locking mechanism of the positioning disk 2, and when the positioning disk is adjusted to a proper position, the position of the positioning disk 2 is locked by the locking screw 6.
The positioning plate is provided with an inlet 22 through which the square rod can pass, and specifically, as shown in fig. 2, the square inlet 22 is formed on the positioning plate 2.
By way of example, when the device is used to perform probe grinding, for example, a 10 ° oblique wound is carved according to the required oblique wound angle; firstly, placing a piece of sand paper on the surface of a detected steel pipe, enabling the sand paper to be fully attached to the surface of the steel pipe, and enabling the effective surface of the sand paper to face outwards; secondly, adjusting the device, namely firstly rotating the positioning disc 2, aligning a 10-degree score line with the positioning datum line 12 as shown in fig. 3, screwing the locking screw 6, and pressing the grinded probe A into the probe box 4; the device with the probe is placed on the sand paper and is pressed with force, at the moment, the pressing spring 5 pushes the probe box 4 downwards, so that the probe is tightly attached to the sand paper, and the probe moves back and forth on the surface of the steel pipe until the probe is ground into an arc surface consistent with the inclined wound angle and the arc surface curvature is consistent with the curvature of the detected steel pipe.
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 (9)
1. The utility model provides a steel pipe slant is hindered probe cambered surface grinding shaping auxiliary device which characterized in that: comprises a fixed bracket and a positioning disk; square bar;
The positioning disk is installed one end of the fixed support, and can be fixed after one end of the fixed support rotates by a certain angle, the square rod passes through the positioning disk, the square rod is located one end fixed mounting probe box in the fixed support, and a compression spring is sleeved on the square rod between the probe box and the positioning disk.
2. The auxiliary device for grinding and forming the cambered surface of the oblique flaw detector for the steel pipe according to claim 1, which is characterized in that: the fixed support is of a circular ring structure, and the fixed support on the opposite side of the positioning plate forms a V-shaped base structure.
3. The auxiliary device for grinding and forming the cambered surface of the oblique flaw detector for the steel pipe according to claim 1, which is characterized in that: and scale marks are arranged on the upper surface of the positioning disk in the circumferential direction.
4. The auxiliary device for grinding and forming the cambered surface of the oblique flaw detector for the steel pipe according to claim 1, which is characterized in that: the upper surface of the fixed bracket is provided with a positioning datum line which is parallel to the axis of the carved sample tube.
5. The auxiliary device for grinding and forming the cambered surface of the oblique flaw detector for the steel pipe according to claim 1, which is characterized in that: the lower part of the positioning disk is provided with a cylindrical ring surface, and a gap is reserved between the cylindrical ring surface and the inner wall of the fixed support, so that the positioning disk can freely rotate in the fixed support through the cylindrical ring surface.
6. The auxiliary device for grinding and forming the cambered surface of the oblique flaw detector for the steel pipe according to claim 1, which is characterized in that: the probe box is consistent with the shape of the probe to be ground, so that the probe to be ground can be arranged in the probe box, and the clearance quantity around the four surfaces is smaller than 1mm.
7. The auxiliary device for grinding and forming the cambered surface of the oblique flaw detector for the steel pipe according to claim 1, which is characterized in that: the fixing support is provided with a locking screw, and when the positioning plate is adjusted to a proper position, the position of the positioning plate is locked through the locking screw.
8. The auxiliary device for grinding and forming the cambered surface of the oblique flaw detector for the steel pipe according to claim 1, which is characterized in that: the positioning plate is provided with an inlet, and the square rod can pass through the positioning plate through the inlet.
9. The auxiliary device for grinding and forming the cambered surface of the oblique steel pipe flaw detector according to claim 3, which is characterized in that: the scale division value of the scale mark is 5 degrees, 1 degrees or 0.5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322773701.6U CN220881773U (en) | 2023-10-16 | 2023-10-16 | Auxiliary device for grinding and forming cambered surface of oblique steel pipe flaw probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322773701.6U CN220881773U (en) | 2023-10-16 | 2023-10-16 | Auxiliary device for grinding and forming cambered surface of oblique steel pipe flaw probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220881773U true CN220881773U (en) | 2024-05-03 |
Family
ID=90841437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322773701.6U Active CN220881773U (en) | 2023-10-16 | 2023-10-16 | Auxiliary device for grinding and forming cambered surface of oblique steel pipe flaw probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220881773U (en) |
-
2023
- 2023-10-16 CN CN202322773701.6U patent/CN220881773U/en active Active
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