CN221124365U - Positioning device of gamma-ray flaw detector for pipe flaw detection - Google Patents
Positioning device of gamma-ray flaw detector for pipe flaw detection Download PDFInfo
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- CN221124365U CN221124365U CN202322923089.6U CN202322923089U CN221124365U CN 221124365 U CN221124365 U CN 221124365U CN 202322923089 U CN202322923089 U CN 202322923089U CN 221124365 U CN221124365 U CN 221124365U
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- flaw detection
- fixing mechanism
- positioning block
- pipe fitting
- pipe
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- 238000001514 detection method Methods 0.000 title claims abstract description 81
- 230000005251 gamma ray Effects 0.000 title claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the field of flaw detection of flaw detectors, and provides a positioning device of a gamma-ray flaw detector for pipe flaw detection, which comprises: the device comprises a pipe fitting fixing mechanism and a flaw detection head fixing mechanism, wherein the pipe fitting fixing mechanism and the flaw detection head fixing mechanism are adjacently arranged; the flaw detection head fixing mechanism comprises a support frame, a rotating motor, a rotating frame and a flaw detection rod; according to the utility model, the flaw detection head fixing mechanism is arranged, so that the critical welded joint can be subjected to flaw detection from the inside of the pipe fitting, the pipe fitting can be fixed by using a common clamp, and the pipe fitting fixing mechanism is simple in structure and convenient to use; the flaw detection head fixing structure can extend into the key interior, the length can be adjusted, and the flaw detection head fixing structure can be suitable for flaw detection of pipe fittings with different pipe diameters by adjusting; simultaneously, the anti-slip layer is arranged on the first positioning block and the second positioning block of the pipe fitting fixing mechanism, so that the pipe fitting can be prevented from sliding in the flaw detection process, and further the smooth performance of pipe fitting flaw detection is effectively ensured.
Description
Technical Field
The utility model relates to the field of flaw detection of flaw detectors, in particular to a positioning device of a gamma-ray flaw detector for pipe flaw detection.
Background
After welding non-standard pipe fittings, flaw detection is required to be carried out on the welding part of each part so as to ensure the quality of welding seams;
However, the specification of nonstandard parts is not fixed, the welding position is not fixed, and some parts are limited in structure when being detected from the outside;
When the pipe fitting is detected from the inside, some pipe fittings are longer, and the manual detection is troublesome.
Disclosure of utility model
The utility model provides a positioning device of a gamma-ray flaw detector for pipe fitting flaw detection, which is characterized in that a flaw detection head fixing mechanism is arranged, so that critical welded joints can be detected from the inside of a pipe fitting, the pipe fitting can be fixed by using a common clamp, and the positioning device has a simple structure and is convenient to use; the flaw detection head fixing structure can extend into the key interior, the length can be adjusted, and the flaw detection head fixing structure can be suitable for flaw detection of pipe fittings with different pipe diameters by adjusting; simultaneously, the anti-slip layer is arranged on the first positioning block and the second positioning block of the pipe fitting fixing mechanism, so that the pipe fitting can be prevented from sliding in the flaw detection process, and further the smooth performance of pipe fitting flaw detection is effectively ensured.
The technical scheme of the utility model is realized as follows:
A positioning device for a gamma-ray flaw detector for flaw detection of a pipe, comprising: the device comprises a pipe fitting fixing mechanism and a flaw detection head fixing mechanism, wherein the pipe fitting fixing mechanism and the flaw detection head fixing mechanism are adjacently arranged;
the flaw detection head fixing mechanism comprises a support frame, a lifting cylinder, a rotating motor, a rotating frame and a flaw detection rod;
The support frame is arranged adjacent to the pipe fitting fixing mechanism, the lifting cylinder is arranged on the support frame, the rotating motor is arranged on the lifting cylinder, the rotating frame is arranged on an output shaft of the rotating motor, and the flaw detection rod is connected with the rotating frame;
The flaw detection rod comprises a first body, a second body and a third body, wherein the first body, the second body and the third body are hollow cylinders, a limiting cylinder is arranged on the rotating frame, the first body is inserted into the limiting cylinder, the second body is a two-way joint, an included angle of an axis of the two-way joint of the second body is 90 degrees, and one end of the second body is inserted into the first body, and the other end of the second body is inserted into the third body.
Further, the first body is provided with a plurality of different specifications, and the third body is provided with a plurality of different specifications.
Further, the pipe fitting fixing mechanism comprises a supporting seat, a first positioning block, a second positioning block, an adjusting screw rod, a limiting wall and an adjusting handle, wherein the first positioning block is fixed on the supporting seat, the second positioning block is slidably installed on the supporting seat, the adjusting screw rod penetrates through the limiting wall, one end of the adjusting screw rod is connected with one side, far away from the first positioning block, of the second positioning block, and the adjusting handle is installed at the other end of the adjusting screw rod;
and anti-slip layers are arranged on two opposite inner side surfaces of the first positioning block and the second positioning block.
Further, a thread cylinder is arranged on the limiting wall, and the adjusting screw rod is matched with the thread cylinder;
The second positioning block is provided with a guide cylinder, and the end part of the adjusting screw rod is limited in the guide cylinder.
Further, two sliding rails are symmetrically arranged on the supporting seat, two sliding grooves are symmetrically arranged at the bottom of the second positioning block, and the two sliding grooves are respectively buckled on the two sliding rails.
Further, the anti-slip layer is a silica gel anti-slip layer.
According to the utility model, the flaw detection head fixing mechanism is arranged, so that the critical welded joint can be subjected to flaw detection from the inside of the pipe fitting, the pipe fitting can be fixed by using a common clamp, and the pipe fitting fixing mechanism is simple in structure and convenient to use; the flaw detection head fixing structure can extend into the key interior, the length can be adjusted, and the flaw detection head fixing structure can be suitable for flaw detection of pipe fittings with different pipe diameters by adjusting; simultaneously, the anti-slip layer is arranged on the first positioning block and the second positioning block of the pipe fitting fixing mechanism, so that the pipe fitting can be prevented from sliding in the flaw detection process, and further the smooth performance of pipe fitting flaw detection is effectively ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a front view of a positioning device of a gamma-ray flaw detector for pipe flaw detection in accordance with an embodiment of the present utility model;
FIG. 2 is a rear view of the positioning device of the gamma-ray flaw detector for pipe flaw detection shown in FIG. 1;
FIG. 3 is a right side view showing a part of the structure of a flaw detection head fixing mechanism of a positioning device of a gamma ray flaw detector for pipe flaw detection shown in FIGS. 1 and 2;
FIG. 4 is a cross-sectional view showing the connection between a turret and an adjusting screw of a positioning device of a gamma-ray flaw detector for pipe flaw detection shown in FIGS. 1 and 2;
Fig. 5 is a schematic diagram showing a matching relationship between a second positioning block and a supporting frame of a positioning device of a gamma-ray flaw detector for pipe flaw detection shown in fig. 1 and 2;
FIG. 6 is a sectional view showing the structure of a lifting cylinder of the fixing mechanism of the flaw detector shown in FIG. 3
Reference numerals illustrate: a pipe fitting fixing mechanism 1; a support base 11; a slide rail 111; adjusting the lead screw 12; a tip 121; a first positioning block 13; a second positioning block 14; a guide cylinder 141; a first threaded connection 142; a second threaded connection 143; a chute 144; a limiting wall 15; an adjustment handle 16; a flaw detection head fixing mechanism 2; a support frame 21; a lifting cylinder 22; a rotating electric machine 23; a turret 24; a flaw detection rod 25; a first body 251; a second body 252; a third body 253; an operation platform 3; and a flaw detection head 4.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In a specific embodiment of the present utility model, see fig. 1-6, a positioning device for a gamma ray flaw detector for pipe flaw detection, comprising: the device comprises a pipe fitting fixing mechanism 1 and a flaw detection head fixing mechanism 2, wherein the pipe fitting fixing mechanism 1 and the flaw detection head fixing mechanism 2 are adjacently arranged and are all installed on an operation platform 3;
The flaw detection head fixing mechanism 2 comprises a supporting frame 21, a lifting cylinder 22, a rotating motor 23, a rotating frame 24 and a flaw detection rod 25;
The support frame 21 is arranged adjacent to the pipe fixing mechanism 1, the lifting cylinder 22 is mounted on the support frame 21, the rotating motor 23 is mounted on the lifting cylinder 22, the rotating frame 24 is mounted on an output shaft of the rotating motor 23, and the flaw detection rod 25 is connected with the rotating frame 24;
The flaw detection rod 25 comprises a first body 251, a second body 252 and a third body 253, wherein the first body 251, the second body 252 and the third body 253 are hollow cylinders, a limiting cylinder 241 is arranged on the rotating frame 24, the first body 251 is inserted into the limiting cylinder 242, the second body 252 is a two-way joint, an axial included angle of the two-way joint of the second body 252 is 90 degrees, and one end of the second body 252 is inserted into the first body 251, and the other end of the second body 252 is inserted into the third body 253;
In operation, the first body 251 with different lengths is selected according to the pipe fittings with different lengths, and the third body 253 with different lengths is selected according to the pipe fittings with different diameters;
The flaw detection head 4 is arranged on the third body 253, the flaw detection head 4 is connected with the third body 253 in an inserting way, the flaw detection head 4 faces to a welding line during flaw detection, the rotating motor 23 works according to a set frequency, the rotating frame 24 is driven to rotate, the flaw detection rod 25 is driven to rotate, and finally the flaw detection head 4 is driven to rotate, so that flaw detection is carried out on the welding line;
The support frame 21 can be used for adjusting the position, and the pipe fitting with different diameters is fixed on the operation platform through bolts after being adjusted, and the position of the pipe fitting fixing mechanism 1 is generally kept unchanged unless the operation platform is replaced;
Because the flaw detection is performed from the inside, the flaw detection method is not suitable for the flaw detection of the pipe fitting with smaller pipe diameter, for example, the flaw detection work can not be performed when the pipe orifice of the pipe fitting is smaller than the flaw detection head.
In the embodiment of the present utility model, as shown in fig. 1 to 6, the first body 251 is provided with a plurality of different specifications, and the third body 253 is provided with a plurality of different specifications;
The length specifications of the first body 251 and the third body 253 are confirmed according to the length and the pipe diameter of the pipe fitting.
In the specific embodiment of the present utility model, as shown in fig. 1 to 6, the pipe fixing mechanism 1 includes a supporting seat 11, an adjusting screw 12, a first positioning block 13, a second positioning block 14, a limiting wall 15 and an adjusting handle 16, wherein the first positioning block 13 is fixed on the supporting seat 11, the second positioning block 14 is slidably mounted on the supporting seat 11, the limiting wall is mounted on the supporting seat 11, the adjusting screw 12 penetrates through the limiting wall 15, one end of the adjusting screw 12 is connected with one side, far away from the first positioning block 13, of the second positioning block 14, and the adjusting handle 16 is mounted on the other end of the adjusting screw 12;
Anti-slip layers are arranged on two opposite inner side surfaces of the first positioning block 13 and the second positioning block 14, and stability of the clamped pipe fitting can be guaranteed after the anti-slip layers are arranged.
In the specific embodiment of the present utility model, as shown in fig. 1 to 6, a threaded cylinder 151 is disposed on the limiting wall 15, and the adjusting screw 12 is matched with the threaded cylinder 151;
A guide cylinder 141 is arranged on the second positioning block 14, and the end part of the adjusting screw rod 12 is limited in the guide cylinder 141;
The thread cylinder is arranged, so that the stability of the adjusting screw rod in the working process can be ensured, and meanwhile, the movement of the adjusting screw rod is guided;
after the guide cylinder is arranged, the guide function can be realized on the movement of the adjusting screw rod, the stability of the connection between the adjusting screw rod and the second positioning block can be improved, and the adjusting screw rod is prevented from being separated from the second positioning block in the adjusting process;
The end part of the adjusting screw rod 12 is in threaded connection with the end head 121, the second positioning block 14 is provided with a first threaded connection part 142, the guide cylinder 141 is provided with a second threaded connection part 143, and the guide cylinder 141 is connected with the first threaded connection part 142 through the second threaded connection part 143; one end of the guide cylinder 141 provided with the second threaded connection part 143 is an open end, the other end is provided with a plug which is a limiting end, and the limiting end can prevent the adjusting screw 12 from falling out of the guide cylinder 141; in the mounting process, the guide cylinder 141 is first sleeved on the adjusting screw 12, then the end 121 is mounted, and the second connecting portion 143 is connected with the first connecting portion 141.
In the embodiment of the present utility model, as shown in fig. 1 to 6, two sliding rails 111 are symmetrically disposed on the supporting seat 11, two sliding grooves 144 are symmetrically disposed at the bottom of the second positioning block 14, and the two sliding grooves 144 are respectively buckled on the two sliding rails 111;
The sliding groove is matched with the sliding rail, so that stability of the second positioning block in the adjusting process is guaranteed, the second positioning block is guaranteed to be opposite to the first positioning block all the time, and clamping force with the same size can be achieved on the clamped pipe fitting.
In the specific embodiment of the utility model, as shown in fig. 1-6, the anti-slip layer is a silica gel anti-slip layer, so that the welded pipe fitting is prevented from moving in the flaw detection process, and the flaw detection result is ensured to be accurate.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. A positioner that is used for gamma ray flaw detector of pipe fitting to detect a flaw, its characterized in that: the device comprises a pipe fitting fixing mechanism and a flaw detection head fixing mechanism, wherein the pipe fitting fixing mechanism and the flaw detection head fixing mechanism are adjacently arranged;
the flaw detection head fixing mechanism comprises a support frame, a lifting cylinder, a rotating motor, a rotating frame and a flaw detection rod;
The support frame is arranged adjacent to the pipe fitting fixing mechanism, the lifting cylinder is arranged on the support frame, the rotating motor is arranged on the lifting cylinder, the rotating frame is arranged on an output shaft of the rotating motor, and the flaw detection rod is connected with the rotating frame;
The flaw detection rod comprises a first body, a second body and a third body, wherein the first body, the second body and the third body are hollow cylinders, a limiting cylinder is arranged on the rotating frame, the first body is inserted into the limiting cylinder, the second body is a two-way joint, an included angle of an axis of the two-way joint of the second body is 90 degrees, and one end of the second body is inserted into the first body, and the other end of the second body is inserted into the third body.
2. A gamma ray flaw detector positioning device for pipe flaw detection as defined in claim 1, wherein: the first body is provided with a plurality of different specifications, and the third body is provided with a plurality of different specifications.
3. A gamma ray flaw detector positioning device for pipe flaw detection as defined in claim 1, wherein: the pipe fitting fixing mechanism comprises a supporting seat, a first positioning block, a second positioning block, an adjusting screw rod, a limiting wall and an adjusting handle, wherein the first positioning block is fixed on the supporting seat, the second positioning block is slidably installed on the supporting seat, the adjusting screw rod penetrates through the limiting wall, one end of the adjusting screw rod is connected with one side, far away from the first positioning block, of the second positioning block, and the adjusting handle is installed at the other end of the adjusting screw rod;
and anti-slip layers are arranged on two opposite inner side surfaces of the first positioning block and the second positioning block.
4. A gamma-ray flaw detector positioning device for pipe flaw detection as defined in claim 3, wherein: the limiting wall is provided with a threaded cylinder, and the adjusting screw rod is matched with the threaded cylinder;
The second positioning block is provided with a guide cylinder, and the end part of the adjusting screw rod is limited in the guide cylinder.
5. A gamma-ray flaw detector positioning device for pipe flaw detection as defined in claim 3, wherein: two sliding rails are symmetrically arranged on the supporting seat, two sliding grooves are symmetrically arranged at the bottom of the second positioning block, and the two sliding grooves are respectively buckled on the two sliding rails.
6. A gamma ray flaw detector positioning device for pipe flaw detection as defined in claim 1, wherein: the anti-slip layer is a silica gel anti-slip layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923089.6U CN221124365U (en) | 2023-10-30 | 2023-10-30 | Positioning device of gamma-ray flaw detector for pipe flaw detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923089.6U CN221124365U (en) | 2023-10-30 | 2023-10-30 | Positioning device of gamma-ray flaw detector for pipe flaw detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221124365U true CN221124365U (en) | 2024-06-11 |
Family
ID=91370088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322923089.6U Active CN221124365U (en) | 2023-10-30 | 2023-10-30 | Positioning device of gamma-ray flaw detector for pipe flaw detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221124365U (en) |
-
2023
- 2023-10-30 CN CN202322923089.6U patent/CN221124365U/en active Active
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