CN216307440U - Nuclear power station scanning device and phased array detection equipment - Google Patents
Nuclear power station scanning device and phased array detection equipment Download PDFInfo
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- CN216307440U CN216307440U CN202122283755.5U CN202122283755U CN216307440U CN 216307440 U CN216307440 U CN 216307440U CN 202122283755 U CN202122283755 U CN 202122283755U CN 216307440 U CN216307440 U CN 216307440U
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Abstract
The utility model belongs to the technical field of special tools for nuclear power stations, and particularly relates to a nuclear power station scanning device and phased array detection equipment. The nuclear power station scanning device comprises an installation component and a guide component, wherein the installation component is wound on a pipeline and used for installing a phased array probe, and the guide component is fixedly connected to the pipeline and used for limiting the moving direction of the installation component; the guide assembly comprises a connecting piece, a guide rail fixedly wound on the pipeline and a guide wheel arranged on the guide rail in a sliding mode, one end of the connecting piece of the pipeline is fixedly connected with the mounting assembly, and the other end of the connecting piece of the pipeline is fixedly connected with the guide wheel. In the utility model, the guide rail can prevent the guide wheel from deviating, thereby avoiding the phased array probe fixed on the mounting assembly from deviating, ensuring the accuracy and the stability of the detection position of the phased array probe, simultaneously reducing the re-detection times caused by the position deviation of the mounting assembly and ensuring the repeatability of detection data.
Description
Technical Field
The utility model belongs to the technical field of special tools for nuclear power stations, and particularly relates to a nuclear power station scanning device and phased array detection equipment.
Background
The pipelines are widely applied to nuclear power plants, two adjacent pipelines are usually connected by adopting a welding method, and the welding position of the pipelines is easy to have defects such as cracks, so that the nuclear power plants usually adopt a nondestructive testing method to detect whether the pipelines have the defects such as cracks.
In the nondestructive detection of the pipeline, the radiographic inspection technology can meet the requirements of the nondestructive inspection of the pipeline, but the radiographic inspection technology cannot be widely applied to a nuclear power plant due to the problems of nuclear power plant equipment, sites and the like because the radiographic inspection equipment has a large volume; the ultrasonic technology has the defects of poor repeatability, high dependence on operators, low detection speed and the like. Aiming at the defects, a new detection method is developed by the phased array technology, the phased array technology can be used for carrying out seamless detection on the pipeline, and the phased array technology is small in size and can realize automation.
In the prior art, the scanning frame of the phased array is easy to slide and dislocate in the rotating process, so that the problems of missing detection, false detection and the like exist in the detection of a pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model provides a nuclear power station scanning device and phased array detection equipment, aiming at the technical problems that a phased array scanning frame in the prior art is easy to slip off and misplace in the rotating process.
In view of the above technical problems, an embodiment of the present invention provides a nuclear power station scanning apparatus, including a mounting assembly for mounting a phased array probe, and a guide wheel assembly for preventing the mounting assembly from shifting; the guide wheel assembly comprises a connecting piece, a guide wheel and a guide rail fixedly wound on the pipeline, the mounting assembly is wound on the pipeline in a rolling mode, one end of the connecting piece is connected to the mounting assembly, the other end of the connecting piece is connected with the guide wheel, and the guide wheel is mounted on the guide rail in a rolling mode.
Optionally, the guide rail includes a plurality of guide rail blocks connected end to end in a rotating manner, each guide rail block is provided with a rolling groove, and the guide wheel is installed in the rolling groove in a rolling manner.
Optionally, two opposite sides of the guide rail block are respectively provided with a first insertion groove and a first insertion part, and two adjacent guide rail blocks are rotatably connected through the first insertion part inserted in the first insertion groove.
Optionally, the guide rail block is further provided with a first mounting hole communicated with the first insertion groove, the first insertion portion is provided with a second mounting hole, and the first insertion portion is inserted into the first insertion groove through a first fixing member inserted into the first mounting hole and the second mounting hole.
Optionally, a graduated scale for measuring the distance between the phased array probe and the weld on the pipeline is arranged on the connecting piece.
Optionally, the nuclear power station scanning device further comprises a knob mounted on the mounting assembly, and one end of the connecting piece, which is far away from the guide wheel, is inserted into an inner hole of the knob.
Optionally, an inner hole of the knob is provided with an inner thread, one end of the connecting piece, which is far away from the guide wheel, is provided with an outer thread matched with the inner thread, and the connecting piece is inserted into the inner hole of the knob through the inner thread and the outer thread which are in threaded connection.
Optionally, the mounting assembly comprises a plurality of sprocket blocks connected end to end in a rotating manner, wherein each sprocket block comprises an adapter frame, an axle and a roller rotatably mounted on the axle; and two adjacent switching frames are rotatably connected through the wheel shaft.
Optionally, a second inserting groove and a second inserting portion are respectively arranged on two opposite sides of the switching frame, a third mounting hole communicated with the second inserting groove is further formed in the switching frame, and a fourth mounting hole is formed in the second inserting portion; the adjacent two switching frames are connected through the second inserting part inserted into the second inserting groove and the rotation inserted into the third mounting hole and the fourth mounting hole.
The phased array detection device comprises a phased array probe and the nuclear power station scanning device, wherein the phased array probe is arranged on the mounting assembly.
In the embodiment of the utility model, the guide rail is fixedly wound on a pipeline, the mounting assembly is wound on the pipeline in a rolling manner, one end of the connecting piece is connected with the mounting assembly, the other end of the connecting piece is connected with the guide wheel, and the guide wheel is arranged on the guide rail in a rolling manner; the installation component rotates on the outer wall of the pipeline and drives the guide wheel to rotate on the guide rail through the connecting piece, so that the installation component can drive the phased array probe fixed on the installation component to carry out nondestructive flaw detection on the welding line of the pipeline. The guide rail can prevent the guide wheel and the mounting assembly from deviating, so that the phased array probe fixed on the mounting assembly is prevented from deviating, the accuracy and the stability of the detection position of the phased array probe are ensured, the number of times of re-detection caused by the position deviation of the mounting assembly is reduced, and the repeatability of detection data is also ensured.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
Fig. 1 is a partial structural schematic view of a nuclear power plant scanning device provided by an embodiment of the utility model, which is installed on a pipeline;
fig. 2 is a schematic partial structural diagram of a nuclear power plant scanning apparatus according to an embodiment of the present invention;
FIG. 3 is a front view of a rail block of a nuclear power plant scanning apparatus according to another embodiment of the present invention;
fig. 4 is a left side view of a rail block of a nuclear power plant scanning apparatus according to another embodiment of the present invention;
FIG. 5 is a top view of a rail block of a nuclear power plant scanning apparatus according to another embodiment of the present invention;
FIG. 6 is a front view of a sprocket block of a nuclear power plant scanning apparatus according to another embodiment of the present invention;
FIG. 7 is a left side view of a sprocket block of a nuclear power plant scanning apparatus according to another embodiment of the present invention;
fig. 8 is a plan view of a sprocket block of a nuclear power plant scanning apparatus according to another embodiment of the present invention.
The reference numerals in the specification are as follows:
1. a guide assembly; 11. a guide rail; 111. a guide rail block; 1111. a rolling groove; 1112. a first insertion groove; 1113. a first insertion part; 1114. a first mounting hole; 1115. a second mounting hole; 12. a connecting member; 121. A graduated scale; 13. a guide wheel; 2. mounting the component; 21. a sprocket block; 211. a transfer rack; 2111. a second insertion groove; 2112. a second insertion part; 2113. a third mounting hole; 2114. a fourth mounting hole; 212. a wheel axle; 213. a roller; 3. a knob; 4. a pipeline; 41. and (7) welding seams.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "middle", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing and simplifying the present invention, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
As shown in fig. 1 and fig. 2, a nuclear power station scanning apparatus according to an embodiment of the present invention includes a mounting assembly 2 wound on a pipeline 4 and used for mounting a phased array probe, and a guide assembly 1 fixedly connected to the pipeline 4 and used for limiting a moving direction of the mounting assembly 2; the guide assembly 1 comprises a connecting piece 12, a guide rail 11 fixedly wound on the pipeline 4 and a guide wheel 13 arranged on the guide rail 11 in a sliding manner, one end of the connecting piece 12 is fixedly connected with the mounting assembly 2, and the other end of the connecting piece 12 is fixedly connected with the guide wheel 13. It will be appreciated that the rail 11 may be wrapped around the pipe 4 by an interference fit.
In the embodiment of the utility model, the guide rail 11 is wound on the pipeline 4, the mounting assembly 2 is wound on the pipeline 4 in a rolling manner, one end of the connecting piece 12 is connected to the mounting assembly 2, the other end of the connecting piece 12 is connected with the guide wheel 13, and the guide wheel 13 is mounted on the guide rail 11 in a rolling manner; the installation component 2 rotates on the outer wall of the pipeline 4, the installation component 2 drives the guide wheel 13 to rotate on the guide rail 11 through the connecting piece 12, and therefore the installation component 2 can drive the phased array probe fixed on the installation component to carry out nondestructive inspection on the welding line 41 of the pipeline 4. The guide rail 11 can prevent the guide wheel 13 and the mounting component 2 from deviating, so that the phased array probe fixed on the mounting component 2 is prevented from deviating, the accuracy and the stability of the detection position of the phased array probe are ensured, the retest times caused by the position deviation of the mounting component 2 are reduced, and the repeatability of detection data is also ensured.
In one embodiment, as shown in fig. 3 to 5, the guide rail 11 includes a plurality of guide rail blocks 111 connected end to end in a rotating manner, each guide rail block 111 is provided with a rolling groove 1111, and the guide wheel 13 is installed in the rolling groove 1111 in a rolling manner. It can be understood that the number of the guide rail blocks 111 can be designed according to the outer diameter of the pipeline 4, and since the pipeline 4 is a long structural member, the guide rail 11 cannot be sleeved on the pipeline 4 from the end of the pipeline 4; the guide rail 11 is designed as a plurality of guide rail blocks 111 connected end to end, so that the guide rail 11 can be wound on the pipeline 4 at a position where the pipeline 4 needs to be detected, thereby facilitating the installation of the guide rail 11. In addition, the rolling grooves 1111 of the plurality of guide rail blocks 111 are communicated end to end, so that a circle of the rolling grooves 1111 is formed on the outer wall of the pipeline 4, and when the guide wheel 13 rolls in the rolling grooves 1111, the relative inner side walls of the rolling grooves 1111 can limit the guide wheel 13 from deviating, thereby ensuring the stability of the nuclear power station scanning device during operation.
In an embodiment, as shown in fig. 3 to 5, a first insertion groove 1112 and a first insertion part 1113 are respectively disposed on two opposite sides of the guide rail block 111, and two adjacent guide rail blocks 111 are rotatably connected by the first insertion part 1113 inserted into the first insertion groove 1112. Preferably, the guide rail block 111 is further provided with a first mounting hole 1114 communicating with the first insertion groove 1112, the first insertion part 1113 is provided with a second mounting hole 1115, and the first insertion part 1113 is inserted into the first insertion groove 1112 through a first fixing member inserted into the first mounting hole 1114 and the second mounting hole 1115. It is understood that the first fixing member includes, but is not limited to, a bolt, a rotating post, etc. Specifically, the two adjacent guide rail blocks 111 are connected in a manner that the first insertion part 1113 is inserted into the first insertion groove 1112, and the first fixing member passes through the first mounting hole 1114 and the second mounting hole 1115, so that the two adjacent guide rail blocks 111 rotate around the first fixing member as a rotating shaft. In the embodiment, the guide rail 11 is simple in structure and convenient to mount; the number of the guide rail blocks 111 can be increased or decreased to adapt to the pipelines 4 with different pipe diameters, so that the applicability and the universality of the guide rail 11 are improved.
In one embodiment, as shown in fig. 1 and 2, the connecting member 12 is provided with a scale 121 for measuring the distance between the phased array probe and the weld 41 on the pipe 4. Understandably, because the phased array probe detects the welding seam 41 on the pipeline 4, and the welding seam 41 is clearly visible, the graduated scale 121 can accurately measure the distance between the phased array probe and the welding seam 41, so that the nuclear power station scanning device is more intuitive in measurement, the phenomenon that the distance between the phased array probe and the welding seam 41 is measured by using a ruler on site is avoided, the caused accident that the measurement cannot be carried out due to space limitation is avoided, the accuracy and the intuitiveness of measured data are ensured, and the site measurement is more convenient and more reliable.
In an embodiment, as shown in fig. 1 and 2, the nuclear power station scanning device further comprises a knob 3 mounted on the mounting assembly 2, and one end of the connecting member 12, which is far away from the guide wheel 13, is inserted into an inner hole of the knob 3. It can be understood that the knob 3 is located between the outer wall of the pipe 4 and the inner wall of the mounting assembly 2, and the distance between the mounting assembly 2 and the guide wheel 13 can be adjusted by adjusting the depth of the connecting member 12 extending into the inner hole of the knob 3, that is, the position of the phased array probe on the mounting assembly 2 for detecting the pipe 4 can be adjusted, and then the distance between the phased array probe and the welding seam 41 can be accurately read through the scale 121 on the connecting member 12. In the embodiment, the design of the knob 3 improves the convenience of the operation of the nuclear power station scanning device.
In an embodiment, an inner thread (not shown) is provided in the inner hole of the knob 3, an outer thread (not shown) adapted to the inner thread is provided at an end of the connecting member 12 away from the guide wheel 13, and the connecting member 12 is inserted into the inner hole of the knob 3 through the inner thread and the outer thread which are connected by a thread. It can be understood that, by turning the knob 3, the depth of the connecting member 12 inserted into the inner hole of the knob 3 can be adjusted by the knob 3 passing through the internal thread and the external thread. In this embodiment, the convenience of operation of this nuclear power station scanning device has further been improved to the design of internal thread with the external screw thread.
In one embodiment, as shown in fig. 2, the mounting assembly 2 comprises a plurality of sprocket blocks 21 connected end to end in a rotating manner, the sprocket blocks 21 comprising an adapter bracket 211, an axle 212 and a roller 213 rotatably mounted on the axle 212; two adjacent adapter racks 211 are rotatably connected through the wheel shaft 212. It can be understood that the structural form of the adapter frame 211 is similar to that of the guide rail block 111, the number of the adapter frames 211 can be designed according to the outer diameter of the pipeline 4, the rollers 213 are mounted at opposite ends of the axle 212, and the axle 212 is used as a rotation axis for two adjacent connectors 12. The mounting assembly 2 is designed as a plurality of sprocket blocks 21 connected end to end so that the mounting assembly 2 can be wrapped around the pipeline 4 at the location where the pipeline 4 needs to be inspected, thereby facilitating the installation of the mounting assembly 2.
In an embodiment, as shown in fig. 6 to 8, two opposite sides of the adapting frame 211 are respectively provided with a second inserting groove 2111 and a second inserting portion 2112, the adapting frame 211 is further provided with a third mounting hole 2113 communicated with the second inserting groove 2111, and the second inserting portion 2112 is provided with a fourth mounting hole 2114; two adjacent adapter frames 211 are connected by the rotation inserted into the second insertion portion 2112 of the second insertion groove 2111 and the third and fourth mounting holes 2113 and 2114. Specifically, the two adjacent adapter brackets 211 are connected in a manner that the second inserting portion 2112 is inserted into the second inserting groove 2111, and then the axle 212 passes through the third mounting hole 2113 and the fourth mounting hole 2114, so that the two adjacent adapter brackets 211 rotate around the axle 212. In the embodiment, the mounting assembly 2 is simple in structure and convenient to mount; and can adapt to the pipeline 4 of different pipe diameters through increasing or decreasing the number of sprocket piece 21 to the suitability and the commonality of installation component 2 have been improved.
The phased array detection equipment for the nuclear power station comprises a phased array probe and the nuclear power station scanning device, wherein the phased array probe is arranged on the mounting component 2.
The above description is only an example of the nuclear power plant scanning apparatus of the present invention, and should not be construed as limiting the utility model, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The nuclear power station scanning device is characterized by comprising an installation component and a guide component, wherein the installation component is wound on a pipeline and used for installing a phased array probe, and the guide component is fixedly connected to the pipeline and used for limiting the moving direction of the installation component; the guide assembly comprises a connecting piece, a guide rail fixedly wound on the pipeline and a guide wheel arranged on the guide rail in a sliding mode, one end of the connecting piece is fixedly connected with the mounting assembly, and the other end of the connecting piece is fixedly connected with the guide wheel.
2. The nuclear power station scanning device according to claim 1, wherein the guide rail comprises a plurality of guide rail blocks which are connected end to end in a rotating manner, each guide rail block is provided with a rolling groove, and the guide wheel is installed in the rolling groove in a rolling manner.
3. The nuclear power plant scanning device according to claim 2, wherein a first insertion groove and a first insertion portion are respectively formed on two opposite sides of the guide rail block, and two adjacent guide rail blocks are rotatably connected through the first insertion portion inserted into the first insertion groove.
4. The nuclear power station scanning device according to claim 3, wherein the guide rail block is further provided with a first mounting hole communicated with the first insertion groove, the first insertion part is provided with a second mounting hole, and the first insertion part is inserted into the first insertion groove through a first fixing member inserted into the first mounting hole and the second mounting hole.
5. The nuclear power plant scanning device according to claim 1, wherein a scale for measuring the distance between the phased array probe and the weld on the pipeline is provided on the connecting member.
6. The nuclear power plant scanning apparatus of claim 1, further comprising a knob mounted on the mounting assembly, wherein an end of the connecting member remote from the guide wheel is inserted into an inner bore of the knob.
7. The nuclear power station scanning device as recited in claim 6, wherein an inner thread is formed in an inner hole of the knob, an outer thread matched with the inner thread is formed at one end, away from the guide wheel, of the connecting piece, and the connecting piece is inserted into the inner hole of the knob through the inner thread and the outer thread which are connected in a threaded mode.
8. The nuclear power plant scanning apparatus of claim 1, wherein the mounting assembly includes a plurality of sprocket blocks rotatably connected end-to-end, the sprocket blocks including an adapter frame, an axle, and rollers rotatably mounted on the axle; and two adjacent switching frames are rotatably connected through the wheel shaft.
9. The nuclear power plant scanning device according to claim 8, wherein a second insertion groove and a second insertion part are respectively formed on two opposite sides of the adapter frame, a third mounting hole communicated with the second insertion groove is further formed in the adapter frame, and a fourth mounting hole is formed in the second insertion part; the adjacent two switching frames are connected through the second inserting part inserted into the second inserting groove and the rotation inserted into the third mounting hole and the fourth mounting hole.
10. A nuclear power plant phased array detection apparatus comprising a phased array probe and a nuclear power plant scanning apparatus as claimed in any one of claims 1 to 9, the phased array probe being mounted on the mounting assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283755.5U CN216307440U (en) | 2021-09-18 | 2021-09-18 | Nuclear power station scanning device and phased array detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283755.5U CN216307440U (en) | 2021-09-18 | 2021-09-18 | Nuclear power station scanning device and phased array detection equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216307440U true CN216307440U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283755.5U Active CN216307440U (en) | 2021-09-18 | 2021-09-18 | Nuclear power station scanning device and phased array detection equipment |
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| CN (1) | CN216307440U (en) |
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- 2021-09-18 CN CN202122283755.5U patent/CN216307440U/en active Active
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