CN117470076A - Pipeline surface depression detection device - Google Patents
Pipeline surface depression detection device Download PDFInfo
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- CN117470076A CN117470076A CN202311434142.4A CN202311434142A CN117470076A CN 117470076 A CN117470076 A CN 117470076A CN 202311434142 A CN202311434142 A CN 202311434142A CN 117470076 A CN117470076 A CN 117470076A
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- detection
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- detection device
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- 238000001514 detection method Methods 0.000 title claims abstract description 147
- 239000007779 soft material Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/28—Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/08—Detecting presence of flaws or irregularities
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a pipeline surface depression detection device, relates to the technical field of pipeline detection devices, and aims to solve the technical problem of lower detection precision. The key points of the technical scheme are as follows: including the center pole, cover is established and fixedly connected with two backup pads on the center pole, the backup pad is made by soft material, the circumference surface that the center pole is located between two backup pads evenly is provided with a plurality of detection components, detection component includes the connecting plate of fixed connection in the center pole surface, the one end of connecting plate is provided with preceding detection piece, the other end lateral wall of connecting plate is provided with the back detection piece. The invention aims to provide a pipeline surface depression detection device.
Description
Technical Field
The invention relates to the technical field of pipeline detection devices, in particular to a pipeline surface depression detection device.
Background
Pipes are devices for transporting gas, liquid or fluid with solid particles, which are coupled by pipes, pipe couplings, valves, etc. In general, after the fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., the fluid flows from a high pressure place to a low pressure place of a pipeline, and the fluid can be conveyed by the pressure or gravity of the fluid. The piping is used in a wide variety of applications, mainly in water supply, water drainage, heat supply, gas supply, long distance transportation of petroleum and natural gas, agricultural irrigation, hydraulic engineering and various industrial devices.
The Chinese patent application No. CN201922210582.7 discloses a detection device for detecting the inner wall of a pipeline, which comprises at least one probe device, a supporting device and a probe arm, wherein one end of the probe arm is movably connected with the probe device, and the other end of the probe arm is connected with the supporting device so that the angle between the probe device and the inner wall of the pipeline can be adjusted by the probe arm and the supporting device.
According to the technical scheme, the abnormal protrusions on the inner wall of the pipeline are obtained by detecting the deflection angle of the probe arm, so that the detection effect is achieved, but the inner wall of the pipeline cannot be fully covered by 360 degrees due to the fact that the intervals between the end parts of the adjacent probe arms are larger, and detection omission occurs.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a pipeline surface depression detection device.
The technical aim of the invention is realized by the following technical scheme: the utility model provides a pipeline surface sag detection device, includes the center pole, the cover is established on the center pole and fixedly connected with two backup pads, the backup pad is made by soft material, the circumference surface that the center pole is located between two backup pads evenly is provided with a plurality of detection components, detection component includes the connecting plate of fixed connection in the center pole surface, the one end of connecting plate is provided with preceding detection piece, the other end lateral wall of connecting plate is provided with the back detection piece.
Through adopting above-mentioned technical scheme, when carrying out test work, stretch into the pipeline with this detection device for the circumference lateral wall laminating of backup pad is in the inner wall of pipeline, and the pulling device removes in the pipeline, through detecting the subassembly with play the detection effect to the sunken department of pipeline, through the alternate setting around preceding detection piece and the back detection piece, thereby prevent that adjacent preceding detection piece from interfering with the back detection piece from taking place, through preceding detection piece and back detection piece follow 360 degrees distribution in the week side of center pole, so that carry out the omnidirectional detection to the pipeline, promote detection precision and efficiency.
The invention is further provided with: the front detection part comprises a front connection block fixedly connected to the front end of the connection plate, a front detection arm is hinged to the front connection block, a front support rod is fixedly connected to the upper surface of the connection plate, a front tension spring is fixedly connected between the top end of the front support rod and the middle of the front detection arm, and the front detection part further comprises a front detection element used for detecting the rotation angle of the front detection arm.
The invention is further provided with: the rear detection part comprises a rear connection block fixedly connected to the side wall of the rear end of the connection plate, the rear connection block is attached to the surface of the center rod, a rear detection arm is hinged to the rear connection block, a rear support rod is fixedly connected to the top of the side wall of the rear end of the rear connection block, a rear tension spring is fixedly connected between the rear support rod and the middle of the rear detection arm, and the rear detection part is used for detecting the rotation angle of the rear detection arm.
The invention is further provided with: the end parts of the front detection arm and the rear detection arm are respectively provided with a detection head in a fan-shaped arrangement, and the outer side surfaces of the detection heads are in cambered surface arrangement.
The invention is further provided with: the outer side surface of the detecting head is provided with a mounting opening, and the mounting opening is embedded and fixedly connected with a wear-resisting block.
The invention is further provided with: the hinge joint of preceding detection arm and back detection arm is provided with the connecting piece, logical groove has been seted up to the tip of preceding detection arm and back detection arm, the connecting piece is including wearing to establish and fixed connection in the pivot of logical inslot, one side of pivot is provided with the pivot, and the mounting groove has been seted up to its opposite side, be provided with the magnetic path in the mounting groove, preceding detection element and back detection element are specifically for setting up in the magnetic encoder that preceding connecting block and back connecting block are located magnetic path one side.
The invention is further provided with: the circumference surface of well core rod is located the inboard fixedly connected with fixed plate of backup pad, the outside cover that is located the backup pad on the well core rod is equipped with the locating plate, locating plate and fixed plate are provided with a plurality of first bolts along its circumferencial direction, a plurality of through-holes that supply first bolt to wear to establish are seted up to the surface of backup pad.
The invention is further provided with: the surface of both sides of backup pad has seted up a plurality of recesses, is located both sides the recess sets up along the circumferencial direction of backup pad in turn.
The invention is further provided with: the circumference surface of the center rod is provided with a plurality of installation tangent planes for the connection plate, the front connection block and the bottom of the rear connection block to be attached, and the angles of the two installation tangent planes are equal to the included angle between the rear connection block and the connection plate.
The invention is further provided with: screw holes are formed in the surface of the connecting plate, threaded holes matched with the screw holes are formed in the mounting tangent planes at intervals, and the connecting plate is fixedly connected to the mounting tangent planes through second bolts.
The invention has the following beneficial effects: when testing, stretch into the pipeline with this detection device inside for the circumference lateral wall laminating of backup pad is in the inner wall of pipeline, and pulls the device and remove in the pipeline, plays the detection effect in order to the concave part of pipeline through detecting the subassembly, and the detection piece is arranged in turn around with the back detection piece through preceding detection piece, thereby prevents that adjacent preceding detection piece from interfering with the back detection piece, and the piece is followed 360 degrees and is distributed in the week side of center pole through preceding detection piece and back detection piece, so that carry out the omnidirectional detection of pipeline, promotes detection precision and efficiency.
Drawings
Fig. 1 is a schematic perspective view of the present embodiment;
FIG. 2 is a schematic structural diagram of the detecting component according to the present embodiment;
FIG. 3 is a schematic view of the structure of the front detecting arm according to the present embodiment;
fig. 4 is a schematic view of a part of the structure of the present embodiment;
fig. 5 is a schematic diagram of an explosion structure of the detecting component according to the present embodiment.
Description of the drawings: 1. a central rod; 2. a support plate; 3. a detection assembly; 4. a connecting plate; 5. a front probe; 51. a front connecting block; 52. a front detection arm; 53. a front strut; 54. a front tension spring; 6. a rear probe; 61. a rear connecting block; 62. a rear detection arm; 63. a rear strut; 64. a rear tension spring; 7. a probe; 8. a wear block; 9. a connecting piece; 91. a shaft pin; 92. a rotating shaft; 93. a magnetic block; 94. a limiting block; 10. a through groove; 11. a limit groove; 12. a fixing plate; 13. a positioning plate; 14. a first bolt; 15. a through hole; 16. a groove; 17. mounting a tangential plane; 18. a screw hole; 19. a threaded hole; 20. and a second bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in the figure, the pipeline surface depression detection device comprises a center rod 1, two support plates 2 are sleeved on the center rod 1 and fixedly connected with each other, the support plates 2 are made of soft materials, a plurality of detection assemblies 3 are uniformly arranged on the circumferential surface of the center rod 1 between the two support plates 2, each detection assembly 3 comprises a connecting plate 4 fixedly connected to the surface of the center rod 1, one end of each connecting plate 4 is provided with a front detection piece 5, and the side wall of the other end of each connecting plate 4 is provided with a rear detection piece 6.
When testing, stretch into the pipeline with this detection device inside for the circumference lateral wall laminating of backup pad 2 is in the inner wall of pipeline, and pulls the device and remove in the pipeline, with the concave part play the detection effect to the pipeline through detecting the subassembly, set up in turn around through preceding detection piece 5 and back detection piece 6, thereby prevent that adjacent preceding detection piece 5 from interfering with back detection piece 6, through preceding detection piece 5 and back detection piece 6 along 360 degrees distribution in the week side of center pole 1, so that carry out the omnidirectional detection to the pipeline, promote detection precision and efficiency.
The front detecting member 5 includes a front connecting block 51 fixedly connected to the front end of the connecting plate 4, a front detecting arm 52 hinged to the front connecting block 51, a front supporting rod 53 fixedly connected to the upper surface of the connecting plate 4, a front tension spring 54 fixedly connected between the top end of the front supporting rod 53 and the middle of the front detecting arm 52, and a front detecting element (not shown in the figure) for detecting the rotation angle of the front detecting arm 52.
The rear detecting member 6 includes a rear connecting block 61 fixedly connected to the rear end sidewall of the connecting plate 4, the rear connecting block 61 is attached to the surface of the central rod 1, a rear detecting arm 62 is hinged on the rear connecting block 61, a rear supporting rod 63 is fixedly connected to the top of the rear end sidewall of the rear connecting block 61, a rear tension spring 64 is fixedly connected between the rear supporting rod 63 and the middle of the rear detecting arm 62, and a rear detecting element (not shown in the figure) for detecting the rotation angle of the rear detecting arm 62 is further included.
When the detection work is carried out, under the action of the pull force of the front tension spring 54 and the pull force of the rear tension spring 64, the ends of the front detection arm 52 and the rear detection arm 62 are abutted against the inner wall of the pipeline, when the surface of the pipeline is sunken, the corresponding ends of the front detection arm 52 or the rear detection arm 62 are abutted against the sunken position, certain deflection occurs, the tension spring is pulled to stretch, the deflection angles of the front detection element and the rear detection element are detected, and therefore the detection function can be achieved on the sunken position of the surface of the pipeline. The front detection arm 52 and the rear detection arm 62 which are arranged at intervals are alternately arranged front and back, so that interference between the adjacent front detection arm 52 and rear detection arm 62 during detection can be prevented, and the detection precision is effectively improved.
The end parts of the front detection arm 52 and the rear detection arm 62 are respectively provided with a detection head 7 which is in a fan-shaped arrangement, the outer side surfaces of the detection heads 7 are in an arc-shaped arrangement, the detection range can be further improved through the fan-shaped detection heads 7, full-coverage detection of the inside of a pipeline is achieved, and the detection heads can be smoothly deflected when being abutted to the concave part of the pipeline through the arc-shaped arrangement of the end parts of the detection heads, so that the detection work is ensured to be smoothly carried out.
The outer side surface of the detecting head 7 is provided with a mounting opening, the mounting opening is embedded and fixedly connected with a wear-resisting block 8, the wear-resisting block is specifically made of tungsten steel or ceramic, the wear resistance of the front detecting wall and the end part of the rear detecting arm 62 is improved, the service life of the wear-resisting block is prolonged, and the detection work of a pipeline with a long length is facilitated.
The hinge joint of the front detection arm 52 and the rear detection arm 62 is provided with a connecting piece 9, the end parts of the front detection arm 52 and the rear detection arm 62 are provided with through grooves 10, the connecting piece 9 comprises a shaft pin 91 which is penetrated and fixedly connected in the through grooves 10, one side of the shaft pin 91 is provided with a rotating shaft 92, the other side of the shaft pin 91 is provided with a mounting groove, a magnetic block 93 is arranged in the mounting groove, and the front detection element and the rear detection element are specifically magnetic encoders arranged on one side of the magnetic block 93 and the front connection block 51 and the rear connection block 61. Limiting blocks 94 are arranged on the side walls of the element periphery of the shaft pin 91, limiting grooves 11 for inserting the limiting blocks 94 are formed in the inner walls of the mounting grooves, deflection angles of the magnetic blocks 93 can be detected through the magnetic encoder, deflection angles of the front detection arm 52 and the rear detection arm 62 are detected, and finally, the surface depression information of the pipeline is output.
The circumference surface of well core rod 1 is located the inboard fixedly connected with fixed plate 12 of backup pad 2, and the outside cover that is located backup pad 2 on well core rod 1 is equipped with locating plate 13, and locating plate 13 and fixed plate 12 are provided with a plurality of first bolts 14 along its circumferencial direction, and the through-hole 15 that a plurality of supplies first bolt 14 to wear to establish is offered on the surface of backup pad 2 to the convenience is dismantled the installation to backup pad 2, so that detects the work to the pipeline of different internal diameters.
The grooves 16 are formed in the surfaces of the two sides of the supporting plate 2, the grooves 16 on the two sides are alternately arranged along the circumferential direction of the supporting plate 2, and the grooves can be deformed easily when passing through the pipeline concave positions, so that the device can pass smoothly, and the overall structural strength of the device can be improved.
The circumference surface of the center rod 1 is provided with a plurality of mounting tangent planes 17 for the connection plate 4, the front connection block 51 and the bottom of the rear connection block 61 to be attached, and the angles of the two mounting tangent planes 17 are equal to the included angle between the rear connection block 61 and the connection plate 4. Screw holes 18 are formed in the surface of the connecting plate 4, the mounting tangent planes 17 are provided with threaded holes 19 matched with the screw holes 18 at intervals, and the connecting plate 4 is fixedly connected to the mounting tangent planes 17 through second bolts 20. In order to mount the sensing assembly with the central rod 1.
The present invention is not limited by the specific embodiments, and modifications can be made to the embodiments without creative contribution by those skilled in the art after reading the present specification, but are protected by patent laws within the scope of claims of the present invention.
Claims (10)
1. The utility model provides a pipeline surface sag detection device which characterized in that: including well core rod (1), cover is established and fixedly connected with two backup pads (2) on well core rod (1), backup pad (2) are made by soft material, well core rod (1) is located circumference surface between two backup pads (2) evenly is provided with a plurality of detection subassembly (3), detection subassembly (3) are including connecting plate (4) of fixedly connected with well core rod (1) surface, the one end of connecting plate (4) is provided with preceding detection spare (5), the other end lateral wall of connecting plate (4) is provided with back detection spare (6).
2. The pipe surface dishing detection device according to claim 1, wherein: the front detection part (5) comprises a front connection block (51) fixedly connected to the front end of the connection plate (4), a front detection arm (52) is hinged to the front connection block (51), a front support rod (53) is fixedly connected to the upper surface of the connection plate (4), a front tension spring (54) is fixedly connected between the top end of the front support rod (53) and the middle of the front detection arm (52), and the front detection part is used for detecting the rotation angle of the front detection arm (52).
3. The pipe surface dishing detection device according to claim 2, wherein: rear detection spare (6) are including fixed connection in back connecting block (61) of connecting plate (4) rear end lateral wall, back connecting block (61) laminating is in the surface of center pole (1), it has rear detection arm (62) to articulate on back connecting block (61), rear end lateral wall top fixedly connected with rear support pole (63) of back connecting block (61), fixedly connected with back extension spring (64) between the middle part of rear support pole (63) and rear detection arm (62), still including the rear detection component that is used for detecting rear detection arm (62) turned angle.
4. A pipe surface dishing detection device according to claim 3, wherein: the end parts of the front detection arm (52) and the rear detection arm (62) are respectively provided with a detection head (7) which is in a fan shape, and the outer side surface of the detection head (7) is in a cambered surface.
5. The pipe surface dishing detection device according to claim 4, wherein: the outer side surface of the detecting head (7) is provided with a mounting opening, and the mounting opening is embedded and fixedly connected with a wear-resisting block (8).
6. A pipe surface dishing detection device according to claim 3, wherein: the hinge joint of preceding detection arm (52) and back detection arm (62) is provided with connecting piece (9), logical groove (10) have been seted up to the tip of preceding detection arm (52) and back detection arm (62), connecting piece (9) are including wearing to establish and pivot (91) of fixed connection in logical inslot (10), pivot (91) one side is provided with pivot (92), and the mounting groove has been seted up to its opposite side, be provided with magnetic path (93) in the mounting groove, preceding detection element is in particular for setting up in preceding connecting block (51) and back connecting block (61) be located the magnetic encoder of magnetic path one side.
7. The pipe surface dishing detection device according to claim 1, wherein: the circumference surface of well core rod (1) is located inboard fixedly connected with fixed plate (12) of backup pad (2), the outside cover that is located backup pad (2) on well core rod (1) is equipped with locating plate (13), locating plate (13) are provided with a plurality of first bolts (14) along its circumferencial direction with fixed plate (12), through-hole (15) that a plurality of supplies first bolt (14) to wear to establish are seted up on the surface of backup pad (2).
8. The pipe surface dishing detection device according to claim 1, wherein: a plurality of grooves (16) are formed in the surfaces of the two sides of the supporting plate (2), and the grooves (16) on the two sides are alternately arranged along the circumferential direction of the supporting plate (2).
9. The pipe surface dishing detection device according to claim 1, wherein: the circumference surface of the center rod (1) is provided with a plurality of installation tangent planes (17) for the connection plate (4), the front connection block and the bottom of the rear connection block (61) to be attached, and the angles of the two installation tangent planes (17) are equal to the included angle between the rear connection block (61) and the connection plate (4).
10. The pipe surface dishing detection device according to claim 9, wherein: screw holes (18) are formed in the surface of the connecting plate (4), threaded holes (19) matched with the screw holes (18) are formed in the mounting tangent planes (17) at intervals, and the connecting plate (4) is fixedly connected to the mounting tangent planes (17) through second bolts (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311434142.4A CN117470076A (en) | 2023-10-30 | 2023-10-30 | Pipeline surface depression detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311434142.4A CN117470076A (en) | 2023-10-30 | 2023-10-30 | Pipeline surface depression detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117470076A true CN117470076A (en) | 2024-01-30 |
Family
ID=89634282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311434142.4A Pending CN117470076A (en) | 2023-10-30 | 2023-10-30 | Pipeline surface depression detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117470076A (en) |
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2023
- 2023-10-30 CN CN202311434142.4A patent/CN117470076A/en active Pending
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