CN211292718U - Synchronous self-walking system of pipeline internal and external detection instrument - Google Patents
Synchronous self-walking system of pipeline internal and external detection instrument Download PDFInfo
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- CN211292718U CN211292718U CN201922182935.7U CN201922182935U CN211292718U CN 211292718 U CN211292718 U CN 211292718U CN 201922182935 U CN201922182935 U CN 201922182935U CN 211292718 U CN211292718 U CN 211292718U
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Abstract
The utility model provides a synchronous system of walking of inside and outside detecting instrument of pipeline, include: the pipeline flaw detector comprises an external pipeline flaw detector arranged outside the pipeline and an internal pipeline flaw detector arranged inside the pipeline; the outer flaw detector and the inner flaw detector are attracted by magnetic force, and the movement speed and the displacement of the outer flaw detector and the inner flaw detector relative to the pipeline are kept consistent when the pipeline rotates. The outer tube flaw detector comprises an outer tube wheel, an outer tube wheel shaft, an outer tube wheel fixing seat, an outer tube array probe, an outer permanent magnet and an outer fixing plate; the in-tube flaw detector comprises an in-tube wheel, an in-tube wheel shaft, an in-tube wheel fixing seat, an in-tube array probe, an inner permanent magnet and an inner fixing plate; the utility model provides a steel pipe in with the outside of tubes check out test set problem with high costs, slow efficiency.
Description
Technical Field
The utility model belongs to the technical field of the steel pipe nondestructive test technique and specifically relates to a synchronous system of walking of inside and outside detecting instrument of pipeline.
Background
The steel pipe has wide application in many industries, the steel pipe manufacturing industry is vigorously developed along with the continuous improvement of the national economy level, due to the influence of a processing technology, the defects of cracks, scratches, strain and the like can occur on the inner and outer surfaces of the pipe wall in the production process of the steel pipe, and the defects of corrosion, fatigue damage and the like can also occur on the inner and outer surfaces in the use process, so the detection significance of the defects on the inner and outer surfaces of the steel pipe is very important.
For the detection of steel pipes, a magnetic flux leakage method, a ray method, an ultrasonic method and an eddy current method are widely used at home and abroad. The magnetic flux leakage detection is fast in detection speed and easy to realize automation, so that the magnetic flux leakage detection is widely popularized. The detection of the inner surface of the steel pipe and the detection of the outer surface of the steel pipe are carried out respectively at present, so that the cost is high, the detection efficiency is low, and the occupied area is large.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a synchronous self-propelled system of inside and outside detecting instrument of pipeline solves the above-mentioned intraductal and outside of tubes check out test set problem with high costs, efficient slow, makes outside of tubes flaw detector and intraductal flaw detector carry out synchronous detection through adopting the adsorbed mode of permanent magnet magnetic force to detect inside and outside the pipe wall of steel pipe same position simultaneously, improve detection efficiency greatly. The utility model adopts the technical proposal that:
a system for synchronous self-walking of internal and external detection instruments of a pipeline comprises:
the pipeline flaw detector comprises an external pipeline flaw detector arranged outside the pipeline and an internal pipeline flaw detector arranged inside the pipeline;
the outer flaw detector and the inner flaw detector are attracted by magnetic force, and the movement speed and the displacement of the outer flaw detector and the inner flaw detector relative to the pipeline are kept consistent when the pipeline rotates.
Furthermore, the external flaw detector comprises an external wheel, an external wheel shaft, an external wheel fixing seat, an external array probe, an external permanent magnet and an external fixing plate;
the outer tube wheel is rotatably arranged on the outer tube wheel fixing seat through an outer tube wheel shaft; the left end and the right end of the outer fixing plate are respectively connected with an outer pipe wheel fixing seat provided with an outer pipe wheel relative to one side of the outer wall of the pipeline; the outer array probe and the outer permanent magnet are fixed on one side of the outer fixing plate, which is opposite to the outer wall of the pipeline;
the in-tube flaw detector comprises an in-tube wheel, an in-tube wheel shaft, an in-tube wheel fixing seat, an in-tube array probe, an inner permanent magnet and an inner fixing plate;
the inner wheel of the pipe is rotatably arranged on the inner wheel fixing seat of the pipe through the inner wheel shaft of the pipe; the left end and the right end of the inner fixing plate are respectively connected with an inner pipe wheel fixing seat provided with an inner pipe wheel relative to one side of the inner wall of the pipeline; the array probe in the pipe and the inner permanent magnet are fixed on one side of the inner fixing plate, which is opposite to the inner wall of the pipeline.
Preferably, the outer wheel of the pipe forms a certain angle with the axis of the pipe, and the inner wheel of the pipe forms a certain angle with the axis of the pipe; the angle between the inner wheel of the pipe and the axis of the pipeline is the same as the angle between the outer wheel of the pipe and the axis of the pipeline.
Furthermore, the angle between the inner tube and the axis of the pipeline and the angle between the outer tube and the axis of the pipeline are both 15-60 degrees.
Furthermore, two pairs of outer wheels are arranged and are respectively arranged at the front end and the rear end of the outer fixing plate.
Furthermore, two pairs of pipe inner wheels are arranged and are respectively arranged at the front end and the rear end of the inner fixing plate.
More preferably, the outer tube wheel adopts a rubber coating wheel.
More preferably, the inner tube wheel adopts a rubber coating wheel.
Furthermore, the front end and the rear end of one side of the outer fixing plate, which is opposite to the outer wall of the pipeline, are respectively provided with an outer permanent magnet, and correspondingly, the front end and the rear end of one side of the inner fixing plate, which is opposite to the inner wall of the pipeline, are respectively provided with an inner permanent magnet.
The utility model has the advantages that: in the process of detecting the steel pipe, permanent magnets are respectively arranged at the front end and the rear end of the outer pipe flaw detector and the inner pipe flaw detector, a certain distance is kept between the permanent magnets and the surface of the steel pipe, and the permanent magnets are adsorbed by the magnetic force of the permanent magnets outside the pipe and inside the pipe; the angle between the inner pipe and the axis of the steel pipe is the same as the angle between the outer pipe and the axis of the steel pipe, the steel pipe rotates, the outer pipe flaw detector and the inner pipe flaw detector passively advance for detection, the movement speed and the displacement of the inner pipe flaw detector and the outer pipe flaw detector are kept consistent, the inner pipe flaw detector and the outer pipe flaw detector are ensured to carry out magnetic flux leakage detection on the inner surface and the outer surface of the same position of the pipe wall of the steel pipe, and the inner pipe array probe and the outer pipe array probe are used for detecting the inner surface; the detection efficiency of the inner surface and the outer surface of the steel pipe is greatly improved.
Drawings
Fig. 1 is a schematic view of the front view angle of the present invention.
Fig. 2 is a schematic view of a side view angle of the present invention.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1 and fig. 2, an embodiment of the present invention provides a system for synchronous self-walking of internal and external inspection instruments of a pipeline, which includes an external flaw detector 1 disposed outside the pipeline and an internal flaw detector 2 disposed inside the pipeline; the external flaw detector 1 and the internal flaw detector 2 are attracted by magnetic force, and the movement speed and the displacement of the pipeline are kept consistent when the pipeline rotates.
The external flaw detector 1 comprises an external wheel 11, an external wheel shaft 12, an external wheel fixing seat 13, an external array probe 14, an external permanent magnet 15 and an external fixing plate 16; the rubber covered wheel is preferably adopted as the outer wheel 11 of the pipe, so that the damage to the outer wall of the steel pipe can be avoided, and the operation is more stable;
the pipe outer wheel 11 is rotatably arranged on a pipe outer wheel fixing seat 13 through a pipe outer wheel shaft 12; the left end and the right end of the outer fixing plate 16 are respectively connected with an outer pipe wheel fixing seat 13 provided with an outer pipe wheel 11 relative to one side of the outer wall of the pipeline; two pairs of outer tube wheels 11 can be arranged and are respectively arranged at the front end and the rear end of the outer fixing plate 16; the pipe outer wheel 11 preferably forms a certain angle with the axis of the steel pipe; the external array probe 14 and the external permanent magnet 15 are fixed on one side of the external fixing plate 16 opposite to the outer wall of the pipeline; during the rotation of the steel pipe, the external flaw detector 1 passively moves forward by means of an external pipe wheel 11 which is in contact with the external surface of the steel pipe, and an external pipe array probe 14 externally detects the steel pipe;
the in-tube flaw detector 2 comprises an in-tube wheel 21, an in-tube wheel shaft 22, an in-tube wheel fixing seat 23, an in-tube array probe 24, an internal permanent magnet 25 and an internal fixing plate 26; the rubber covered wheel is preferably adopted as the inner wheel 21 of the pipe, so that the damage to the inner wall of the steel pipe can be avoided, and the operation is more stable;
the tube inner wheel 21 is rotatably arranged on a tube inner wheel fixing seat 23 through a tube inner wheel shaft 22; the left end and the right end of the inner fixing plate 26 are respectively connected with an inner tube wheel fixing seat 23 provided with an inner tube wheel 21 opposite to one side of the inner wall of the pipeline; two pairs of inner tube wheels 21 can be arranged and are respectively arranged at the front end and the rear end of the inner fixing plate 26; the inner tube 21 is preferably at an angle to the axis of the steel tube; the in-pipe array probe 24 and the inner permanent magnet 25 are fixed on one side of the inner fixing plate 26 opposite to the inner wall of the pipeline; during the rotation of the steel pipe, the flaw detector 2 in the pipe is attracted by the magnetic force of the inner permanent magnet and the outer permanent magnet and hung upside down on the pipe wall, and meanwhile, a large friction force is generated between the inner wheel 21 of the pipe and the inner surface of the steel pipe, so that the flaw detector 2 in the pipe passively moves forward; in the advancing process, the array probe 24 in the steel pipe performs internal detection on the steel pipe;
the outer pipe wheel 11 has a certain angle with the axis of the steel pipe, and the inner pipe wheel 21 has a certain angle with the axis of the steel pipe, so that the outer pipe flaw detector 1 and the inner pipe flaw detector 2 can move forwards relative to the steel pipe when the steel pipe rotates, so as to detect the whole steel pipe; the angle between the inner tube 21 and the steel tube axis is the same as that between the outer tube 11 and the steel tube axis, so that the pitch angles of the inner tube flaw detector 2 and the outer tube flaw detector 1 can be ensured to be equal in the movement process; the angle between the inner tube 21 and the pipeline axis and the angle between the outer tube wheel 11 and the pipeline axis are both 15-60 degrees.
More preferably, the outer fixing plate 16 is provided with one outer permanent magnet 15 at each of the front and rear ends of one side with respect to the outer wall of the pipeline, and correspondingly, the inner fixing plate 26 is provided with one inner permanent magnet 25 at each of the front and rear ends of one side with respect to the inner wall of the pipeline; the pipe wall of the steel pipe under the action of the inner permanent magnet and the outer permanent magnet is in a magnetized saturation state, the magnetic force lines of the inner permanent magnet and the outer permanent magnet penetrate through the steel pipe, so that magnetic force adsorption exists between the outer permanent magnet 15 and the inner permanent magnet 25, the movement speed and displacement of the flaw detector outside the pipe and the flaw detector inside the pipe are consistent in the passive advancing process under the action of the magnetic force adsorption, meanwhile, the inner permanent magnet and the outer permanent magnet at the front end and the rear end of the flaw detector outside the pipe 1 and the inner permanent magnet at the rear end of the flaw detector inside the pipe 2 ensure the stability and the reliability of the magnetic force adsorption, the flaw detector outside the pipe 1 and the flaw detector inside the pipe 2 detect the inner surface.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a synchronous system of walking of inside and outside detecting instrument of pipeline which characterized in that includes:
the pipeline flaw detector comprises an external pipeline flaw detector (1) arranged outside the pipeline and an internal pipeline flaw detector (2) arranged inside the pipeline;
the external flaw detector (1) and the internal flaw detector (2) are attracted by magnetic force, and the movement speed and the displacement of the external flaw detector and the internal flaw detector are kept consistent when the pipeline rotates.
2. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 1,
the external flaw detector (1) comprises an external pipe (11), an external pipe wheel shaft (12), an external pipe wheel fixing seat (13), an external pipe array probe (14), an external permanent magnet (15) and an external fixing plate (16);
the pipe outer wheel (11) is rotatably arranged on a pipe outer wheel fixing seat (13) through a pipe outer wheel shaft (12); the left end and the right end of the outer fixing plate (16) are respectively connected with an outer pipe wheel fixing seat (13) provided with an outer pipe wheel (11) relative to one side of the outer wall of the pipeline; the external array probe (14) and the external permanent magnet (15) are fixed on one side of the external fixing plate (16) opposite to the outer wall of the pipeline;
the in-tube flaw detector (2) comprises an in-tube wheel (21), an in-tube wheel shaft (22), an in-tube wheel fixing seat (23), an in-tube array probe (24), an internal permanent magnet (25) and an internal fixing plate (26);
the inner tube (21) is rotatably arranged on the inner tube wheel fixing seat (23) through an inner tube wheel shaft (22); the left end and the right end of the inner fixing plate (26) are respectively connected with an inner pipe wheel fixing seat (23) provided with an inner pipe wheel (21) relative to one side of the inner wall of the pipeline; the in-pipe array probe (24) and the inner permanent magnet (25) are fixed on one side of the inner fixing plate (26) opposite to the inner wall of the pipeline.
3. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 2,
the pipe outer wheel (11) forms a certain angle with the axis of the pipeline, and the pipe inner wheel (21) forms a certain angle with the axis of the pipeline; the angle of the inner tube (21) to the axis of the pipeline is the same as the angle of the outer tube (11) to the axis of the pipeline.
4. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 3,
the angle between the inner pipe (21) and the pipeline axis and the angle between the outer pipe (11) and the pipeline axis are both 15-60 degrees.
5. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 2,
two pairs of pipe outer wheels (11) are arranged and are respectively arranged at the front end and the rear end of the outer fixing plate (16).
6. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 2,
two pairs of pipe inner wheels (21) are arranged and are respectively arranged at the front end and the rear end of the inner fixing plate (26).
7. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 2,
the outer wheel (11) of the pipe adopts a rubber covered wheel.
8. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 2,
the inner wheel (21) of the tube adopts a rubber covered wheel.
9. The system for synchronously self-walking inside and outside inspection instruments for pipelines according to claim 2,
the outer fixing plate (16) is provided with an outer permanent magnet (15) at the front end and the rear end relative to one side of the outer wall of the pipeline respectively, and correspondingly, the inner fixing plate (26) is provided with an inner permanent magnet (25) at the front end and the rear end relative to one side of the inner wall of the pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182935.7U CN211292718U (en) | 2019-12-06 | 2019-12-06 | Synchronous self-walking system of pipeline internal and external detection instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922182935.7U CN211292718U (en) | 2019-12-06 | 2019-12-06 | Synchronous self-walking system of pipeline internal and external detection instrument |
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| CN211292718U true CN211292718U (en) | 2020-08-18 |
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| CN201922182935.7U Active CN211292718U (en) | 2019-12-06 | 2019-12-06 | Synchronous self-walking system of pipeline internal and external detection instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730794A (en) * | 2021-01-05 | 2021-04-30 | 北京经纬信息技术有限公司 | High-speed railway hollow shaft nondestructive test device |
| CN113524213A (en) * | 2021-07-07 | 2021-10-22 | 广东电网能源发展有限公司 | Cutting robot |
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2019
- 2019-12-06 CN CN201922182935.7U patent/CN211292718U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730794A (en) * | 2021-01-05 | 2021-04-30 | 北京经纬信息技术有限公司 | High-speed railway hollow shaft nondestructive test device |
| CN112730794B (en) * | 2021-01-05 | 2023-10-20 | 北京经纬信息技术有限公司 | Nondestructive testing device for high-speed rail hollow shaft |
| CN113524213A (en) * | 2021-07-07 | 2021-10-22 | 广东电网能源发展有限公司 | Cutting robot |
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