CN217385325U - Pipeline internal detection device - Google Patents
Pipeline internal detection device Download PDFInfo
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- CN217385325U CN217385325U CN202220812096.1U CN202220812096U CN217385325U CN 217385325 U CN217385325 U CN 217385325U CN 202220812096 U CN202220812096 U CN 202220812096U CN 217385325 U CN217385325 U CN 217385325U
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Abstract
The utility model discloses a pipeline internal detection device; the magnetic flux leakage detection device comprises a camera, a magnetic flux leakage detection mechanism, a first connecting piece, a second connecting piece and a supporting assembly; the first connecting piece is arranged between the camera and the magnetic flux leakage detection mechanism; the second connecting piece sets up magnetic leakage detection mechanism with between the supporting component, the supporting component is including a supporting cylinder and supporting roller, supporting roller evenly distributed is in the periphery of a supporting cylinder. The utility model discloses combine together camera and magnetic leakage detection mechanism, when magnetic leakage detection mechanism detected defect in the pipeline, the camera started to shoot, shoots the inner wall of the pipeline that has the defect, can pass through the video of camera shooting or the accurate shape, the type etc. that detect the defect of image data from this.
Description
Technical Field
The utility model relates to a pipeline inspection technical field especially relates to an inside detection device of pipeline.
Background
The leakage magnetic detection technology is that when the detector runs in the pipeline, the detector applies a strong magnetic field to the pipeline and is parallel to the axial direction of the pipeline. If the pipeline is intact and has no defects, the magnetic field passing through the pipeline cannot be changed; once the pipeline has damage defects, the magnetic field can be distorted and deformed at the position, the changed leakage magnetic signal at the position passes through a signal processor such as a filter, an amplifier and the like, and the computer analyzes the changed signal and compares the changed signal with a reference sample plate to determine the defect information parameters of the pipeline. The magnetic flux leakage detection technology is sensitive to metal loss defects, wide in application range, convenient and fast, simple to operate and almost not limited by a pipeline conveying medium, and is a detection technology which is relatively researched and applied at present. However, the conventional magnetic flux leakage detection device can only simply determine the position of the defect, and cannot effectively detect the shape, type and the like of the defect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a pipeline inside detection device, solves the position that can only simple judgement defect place, can not the problem of the shape of effectual detection defect, type.
In order to solve the technical problem, one technical solution adopted by the present invention is to provide a device for detecting the inside of a pipeline, comprising a camera, a magnetic flux leakage detecting mechanism, a first connecting member, a second connecting member and a supporting assembly; the first connecting piece is arranged between the camera and the magnetic flux leakage detection mechanism; the second connecting piece sets up magnetic leakage detection mechanism with between the supporting component, the supporting component is including a supporting cylinder and supporting roller, supporting roller evenly distributed is in the periphery of a supporting cylinder.
Preferably, the first and/or second connecting member is a flexible member, is normally rectilinear, is capable of flexing when subjected to a lateral force, and returns to a rectilinear shape when the lateral force is removed.
Preferably, magnetic leakage detection mechanism is including fixed subassembly, magnetic part, a plurality of collection support and a plurality of magnetic field sensor, fixed subassembly cover is established the outside of magnetic part, it is in to gather support evenly distributed fixed subassembly's periphery, the setting that magnetic field sensor corresponds is in gather on the support.
Preferably, the fixing assembly comprises a sleeve, a wire ring, an end cover and a plurality of hinged plates, the hinged plates are uniformly distributed at the front end of the outer wall of the sleeve and are used for hinging the collecting bracket, the magnetic element is arranged at the front end in the sleeve, the wire ring is arranged at the rear side in the sleeve, and the end cover covers the rear end of the sleeve.
Preferably, the magnetic field sensor is connected with a first cable, the camera is connected with a second cable, a plurality of corresponding wire holes are radially arranged on the sleeve and the wire ring, threading holes are axially arranged on the sleeve, the wire ring, the end cover, the first connecting piece and the second connecting piece, the wire holes are used for guiding the first cable into the threading holes, and the threading holes are used for guiding the first cable and the second cable out.
Preferably, the collecting support comprises a support rod and an elastic part, the front end of the support rod is hinged to the hinge plate through a hinge shaft, and the elastic part is arranged between the support rod and the outer wall of the sleeve and used for enabling the support rod to be opened and closed.
Preferably, the elastic component is the torsional spring, the torsional spring includes spiral portion, and the first torque arm and the second torque arm of spiral portion both sides, the spiral portion cover is established the outside of articulated shaft, first torque arm is contradicted the inner wall department of branch, the second torque arm is contradicted telescopic outer wall department.
Preferably, the front portion of the supporting rod extends towards the sleeve to form a middle portion, a through hole is formed in the middle portion, and the first torsion arm penetrates through the through hole.
Preferably, the strut comprises a front first bending part and a rear second bending part, the bending direction of the middle part of the first bending part is far away from the sleeve, and the bending direction of the middle part of the second bending part is towards the sleeve.
Preferably, a first roller is arranged at the front end of the second bending part, and a second roller is arranged at the rear end of the second bending part.
The beneficial effects of the utility model are that: the utility model discloses combine together camera and magnetic leakage detection mechanism, when magnetic leakage detection mechanism detected defect in the pipeline, the camera started to shoot, shoots the inner wall of the pipeline that has the defect, can pass through the video of camera shooting or the accurate shape, the type etc. that detect the defect of image data from this.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the pipeline internal detection device according to the present invention;
FIG. 2 is a schematic cross-sectional view of a fixing assembly according to an embodiment of the present invention;
fig. 3 is an exploded view of a fixing member according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the front side of a magnetic flux leakage detection mechanism according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the rear side of the magnetic flux leakage detection mechanism according to an embodiment of the utility model discloses an inside detection device of pipeline.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
For the description of the present invention, the labels "front", "back", "up", "down", "left" and "right" shown in fig. 1 are used to facilitate the understanding of the embodiment without limiting the invention. The front-back direction represents the lateral direction, the left-right direction represents the longitudinal direction, and the up-down direction represents the vertical direction.
Fig. 1-5 show an embodiment of the internal pipeline inspection device of the present invention, which includes a camera 20, a magnetic leakage inspection mechanism 10 and a first connecting member 30, wherein the magnetic leakage inspection mechanism 10 includes a fixing component 101, a magnetic component 102, a plurality of collecting brackets 103 and a plurality of magnetic field sensors 104, the fixing component 101 is sleeved outside the magnetic component 102, the collecting brackets 103 are uniformly distributed on the periphery of the fixing component 101, and the magnetic field sensors 104 are correspondingly arranged on the collecting brackets 103; the first connecting member 30 is disposed between the camera head 20 and the fixing member 101.
The first connecting member 30 may be a rod-shaped structure, etc., the magnetic member 102 is a magnet, and the magnetic field sensor 104 may be a hall sensor. The camera 20 and the magnetic flux leakage detection mechanism 10 are connected through the first connecting piece 30, so that the camera 20 and the magnetic flux leakage detection mechanism 10 can be conveniently placed in a pipeline at the same time, and the position, the shape, the type and the like of a defect can be conveniently and accurately detected at the same time. A strong magnetic field is applied to the pipe through the magnetic member 102 and is parallel to the axial direction of the pipe. Make magnetic field sensor 104 be close to the pipeline through gathering support 103, be convenient for detect the change in pipeline magnetic field through magnetic field sensor 104, when magnetic leakage detection mechanism 10 detected the defect in the pipeline, camera 20 started to shoot, shot the inner wall of the pipeline that has the defect, the video or the accurate shape, the type etc. that detect the defect of image data that can shoot through camera 20 from this.
Preferably, the cross-section of the fixing assembly 101 is smaller than the cross-section of the camera head 20. When the section of the fixing component 101 is smaller than that of the camera 20, the peripheral acquisition support 103 added on the fixing component 101 has a section slightly larger than that of the camera 20, so that the detection device can be suitable for the detection of pipelines with small pipe diameters.
Preferably, as shown in fig. 1, the pipeline inside detection device further includes a second connector 40 and a support assembly 50, the second connector 40 is disposed between the fixing assembly 101 and the support assembly 50, the support assembly 50 includes a support cylinder 501 and support rollers 502, and the support rollers 502 are uniformly distributed on the periphery of the support cylinder 501.
Preferably, the cross-section of the support assembly 50 is adapted to the cross-section of the pipe, whereby the camera 20 can be prevented from colliding against the inner wall of the pipe by the support assembly 50.
Preferably, the cross-section of the support assembly 50 is adapted to the inner diameter of the pipe. Thereby, the supporting rollers 502 are all contacted with the inner wall of the pipeline, and the supporting rollers 502 can roll along the axial direction of the pipeline. Allowing the support member 50 to smoothly move within the duct.
When the pipe interior inspection device is placed in a pipe having a bent angle, if the first connecting member 30 and/or the second connecting member 40 are/is a hard member, the camera 20 and the magnetic flux leakage inspection mechanism 10 may be caught at the bent portion of the pipe and may not be further moved for inspection.
In order to solve the above problem, it is preferable that the first connecting member 30 and/or the second connecting member 40 is a flexible member. The first link 30 and/or the second link 40 are normally in a straight shape, can be bent into a curved shape when subjected to a lateral force, and can return to the straight shape when the lateral force is removed. The first and second connectors 30 and 40 may each be a rubber tube, an organ tube, a threaded tube, or the like. Therefore, when the pipeline internal detection device detects a pipeline with a bending angle, the camera 20, the magnetic flux leakage detection mechanism 10 and the support assembly 50 can smoothly pass through the bending part of the pipeline through the bending deformation of the first connecting piece 30 and the second connecting piece 40.
Further, as shown in fig. 2 and 3, the fixing assembly 101 includes a sleeve 1011, a wire loop 1012, an end cap 1013 and a plurality of hinge plates 1014, the hinge plates 1014 are uniformly distributed at the front end of the outer wall of the sleeve 1011 for hinging the collecting bracket 103, the magnetic element 102 is arranged at the front end inside the sleeve 1011, the front end of the magnetic element 102 is provided with a gasket 1015, the wire loop 1012 is arranged at the rear side inside the sleeve 1011, and the end cap 1013 covers the rear end of the sleeve 1011. The first cable 1041 is led out conveniently by the wire loop 1012, and the shaking of the magnetic member 102 can be avoided.
Preferably, a first cable 1041 is connected to the magnetic field sensor 104, and the first cable 1041 can supply power to the magnetic field sensor 104 and transmit signals. A second cable 201 is connected to the camera 20, and the second cable 201 can supply power and transmit signals to the camera 20. The sleeve 1011 and the wire loop 1012 are provided with a plurality of wire holes 1016 in the radial direction, the sleeve 1011, the wire loops 1012 and 1013 end caps, the first connecting member 30 and the second connecting member 40 are provided with wire holes 105 in the axial direction, the wire holes 1016 are used for guiding the first cable 1041 into the wire holes 105, and the wire holes 105 are used for guiding the first cable 1041 and the second cable 201 out.
Therefore, the first cable 1041 and the second cable 201 can be led out from the inside of the fixed component 101, the first connecting piece 30 and the second connecting piece 40, and the first cable 1041 and the second cable 201 are prevented from being wound with the fixed component 101, the first connecting piece 30 and the second connecting piece 40 on the outer side.
Preferably, as shown in fig. 4 and 5, the number of the collecting rack 103 is 8, the collecting rack 103 includes a supporting bar 1031, a front end of the supporting bar 1031 is hinged to the hinge plate 1014 through a hinge shaft 1033, and an elastic member is disposed between the supporting bar 1031 and an outer wall of the sleeve 1011 for allowing the supporting bar 1031 to be opened and closed.
Preferably, a front portion of the pole 1031 is provided with a mounting hole 10311, and the magnetic field sensor 104 is disposed in the mounting hole 10311. The magnetic field sensor 104 is mounted through the mounting hole 10311, so that the first cable 1041 can be easily guided from the wire loop 1012 into the wire threading hole 105 without affecting the detection of the magnetic field by the magnetic field sensor 104.
The elastic component can be the spring, can directly set up the spring between the rear end of sleeve 1011 and branch 1031, when putting into the pipeline with magnetic leakage detection mechanism 10, the spring compressed, and branch 1031 folds and to contradict the inner wall at the pipeline. Therefore, the collecting bracket 103 is suitable for pipelines with different pipe diameters, when the inner diameter of the pipeline is larger, the spring pushes the support rod 1031 outwards, and the support rod 1031 is properly opened to enable the support rod 1031 to be always abutted against the inner wall of the pipeline.
The spring is unstable in structure and is easily deformed by falling off. Preferably, the elastic member is a torsion spring 1032, the torsion spring 1032 includes a spiral part 10321, and a first torsion arm 10322 and a second torsion arm 10323 at two sides of the spiral part 10321, the spiral part 10321 is sleeved on the outer side of the hinge shaft 1033, the first torsion arm 10322 abuts against the inner wall of the support bar 1031, and the second torsion arm 10323 abuts against the outer wall of the sleeve 1011.
The support 1031 is always pressed against the inner wall of the duct by the torsion spring 1032. The collecting bracket 103 is suitable for pipelines with different pipe diameters.
Preferably, the front portion of the bar 1031 has a middle portion 1038 extending in the direction of the sleeve 1011, the middle portion 1038 is provided with a through hole, and the first torsion arm 10322 is inserted into the through hole. The torsion spring 1032 is restricted by the intermediate portion 1038, and slipping of the torsion spring 1032 is prevented.
Preferably, as shown in fig. 4, the bar 1031 includes a front first bending portion 1034 and a rear second bending portion 1035, the bending direction of the middle portion of the first bending portion 1034 is far away from the sleeve 1011, and the bending direction of the middle portion of the second bending portion 1035 is toward the sleeve 1011.
Since the first curved portion 1034 is away from the sleeve 1011, the collection holder 103 can be easily and conveniently inserted into the pipe. When the pipe diameter is small, the first curved portion 1034 may contact the inner wall of the pipe. The second bend 1035 is bent inward of the sleeve 1011, and when the pipe diameter is large, the rear end of the first bend 1034 and the rear end of the second bend 1035 can simultaneously contact the inner wall of the pipe. This improves the stability of the magnetic flux leakage detection mechanism 10 during movement.
When the torsion spring 1032 presses the support 1031 against the inner wall of the duct, if the first curved portion 1034 and the second curved portion 1035 directly contact with the inner wall of the duct, the friction force is large during movement, which is inconvenient to move and may easily cause damage to the duct. To solve the above problems. Preferably, the front end of the second bending portion 1035 is provided with a first roller 1036, and the rear end of the second bending portion 1035 is provided with a second roller 1037. Through the contact of first gyro wheel 1036 and second gyro wheel 1037 with the inner wall of pipeline, the smooth removal of magnetic leakage detection mechanism 10 in the pipeline can be convenient for, avoids gathering support 103 and causes the damage to the pipeline inner wall.
Therefore, the utility model discloses an inside detection device of pipeline connects camera and magnetic leakage detection mechanism through first connecting piece, is convenient for put into the pipeline with camera and magnetic leakage detection mechanism simultaneously, and the position, shape and the type etc. of the detection defect of being convenient for simultaneously accuracy. A strong magnetic field is applied to the pipeline through the magnetic element and is parallel to the axial direction of the pipeline. Make the adjacent pipeline of magnetic field sensor through gathering the support, be convenient for detect the change in pipeline magnetic field through magnetic field sensor, when magnetic leakage detection mechanism detects defect in the pipeline, the camera starts to shoot, shoots the inner wall of the pipeline that has the defect, can pass through the video or the accurate shape, the type etc. that detect the defect of image data that the camera was shot from this.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (10)
1. A pipeline internal detection device is characterized by comprising a camera, a magnetic flux leakage detection mechanism, a first connecting piece, a second connecting piece and a supporting component; the first connecting piece is arranged between the camera and the magnetic flux leakage detection mechanism; the second connecting piece sets up magnetic leakage detection mechanism with between the supporting component, the supporting component is including a supporting cylinder and supporting roller, supporting roller evenly distributed is in the periphery of a supporting cylinder.
2. The pipeline interior inspection device of claim 1, wherein the first and/or second connector is a flexible member, is normally linear in shape, is capable of bending when subjected to lateral forces, and returns to a linear shape when the lateral forces are removed.
3. The pipeline internal detection device according to claim 1, wherein the magnetic flux leakage detection mechanism comprises a fixing component, a magnetic part, a plurality of collecting supports and a plurality of magnetic field sensors, the fixing component is sleeved outside the magnetic part, the collecting supports are uniformly distributed on the periphery of the fixing component, and the magnetic field sensors are correspondingly arranged on the collecting supports.
4. The pipeline interior detection device of claim 3, wherein the fixing assembly comprises a sleeve, a wire ring, an end cap and a plurality of hinged plates, the hinged plates are uniformly distributed at the front end of the outer wall of the sleeve and are used for hinging the collecting bracket, the magnetic element is arranged at the front end in the sleeve, the wire ring is arranged at the rear side in the sleeve, and the end cap covers the rear end of the sleeve.
5. The pipeline interior detection device according to claim 4, wherein the magnetic field sensor is connected with a first cable, the camera is connected with a second cable, the sleeve and the wire ring are provided with a plurality of corresponding wire holes in the radial direction, the sleeve, the wire ring, the end cover, the first connecting piece and the second connecting piece are provided with wire holes in the axial direction, the wire holes are used for guiding the first cable into the wire holes, and the wire holes are used for guiding the first cable and the second cable out.
6. The pipeline interior detection device according to claim 4, wherein the collection holder includes a support rod and an elastic member, the front end of the support rod is hinged to the hinge plate via a hinge shaft, and the elastic member is disposed between the support rod and the outer wall of the sleeve to allow the support rod to be opened and closed.
7. The device as claimed in claim 6, wherein the elastic member is a torsion spring, the torsion spring includes a spiral portion, and a first torsion arm and a second torsion arm on both sides of the spiral portion, the spiral portion is sleeved outside the hinge shaft, the first torsion arm abuts against the inner wall of the support rod, and the second torsion arm abuts against the outer wall of the sleeve.
8. The device as claimed in claim 7, wherein the front portion of the strut has a middle portion extending in the direction of the sleeve, the middle portion has a through hole, and the first torsion arm is inserted into the through hole.
9. The pipeline interior inspection device of claim 6, wherein the strut includes a front first bend and a rear second bend, the first bend having a central portion that is curved away from the sleeve and the second bend having a central portion that is curved toward the sleeve.
10. The pipeline interior detection device according to claim 9, wherein a first roller is provided at a front end of the second bending portion, and a second roller is provided at a rear end of the second bending portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812096.1U CN217385325U (en) | 2022-04-08 | 2022-04-08 | Pipeline internal detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220812096.1U CN217385325U (en) | 2022-04-08 | 2022-04-08 | Pipeline internal detection device |
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| CN217385325U true CN217385325U (en) | 2022-09-06 |
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| CN202220812096.1U Active CN217385325U (en) | 2022-04-08 | 2022-04-08 | Pipeline internal detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117470102A (en) * | 2023-11-15 | 2024-01-30 | 湖南湘排环境科技有限公司 | Underground pipeline size detection equipment and detection method thereof |
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2022
- 2022-04-08 CN CN202220812096.1U patent/CN217385325U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117470102A (en) * | 2023-11-15 | 2024-01-30 | 湖南湘排环境科技有限公司 | Underground pipeline size detection equipment and detection method thereof |
| CN117470102B (en) * | 2023-11-15 | 2024-05-10 | 湖南湘排环境科技有限公司 | Underground pipeline size detection equipment and detection method thereof |
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