CN113418928B - A surrounding type nondestructive penetration testing device for pipeline outer wall - Google Patents
A surrounding type nondestructive penetration testing device for pipeline outer wall Download PDFInfo
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- CN113418928B CN113418928B CN202110726871.1A CN202110726871A CN113418928B CN 113418928 B CN113418928 B CN 113418928B CN 202110726871 A CN202110726871 A CN 202110726871A CN 113418928 B CN113418928 B CN 113418928B
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- adjusting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- General Physics & Mathematics (AREA)
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention provides a surrounding type nondestructive penetration testing device for the outer wall of a pipeline, which is formed by spirally connecting a plurality of surrounding type testing blocks through connecting pieces; the connecting piece comprises a rigid clamp and a radian adjusting piece. The invention provides a detection device which can be used for the outer wall of a pipeline, integrates the functions of coating penetrating fluid and removing developer coating, can be propelled by rotation, and is convenient and fast to use; an innovative connecting piece is designed, so that the radian formed by every two adjacent surrounding type detection blocks can be adjusted, and the adjacent surrounding type detection blocks can be tightly attached to the surface of a pipeline to be detected; novel structure, convenient production and manufacture and good market prospect.
Description
Technical Field
The invention belongs to the technical field of nondestructive testing, and particularly relates to a surrounding type nondestructive penetration testing device for an outer wall of a pipeline.
Background
The penetration detection is one of five conventional detection technologies of nondestructive detection, and is a nondestructive detection method for detecting surface opening defects based on the capillary principle. Coating a layer of penetrating fluid on the surface of an object to be detected, and penetrating into the surface opening defect after a period of time; and removing the penetrant, drying, coating a layer of developer, wherein the developer attracts the penetrant in the defect, and under a certain light source, the penetrant trace at the defect can be displayed, so that the appearance and distribution state of the defect can be detected.
However, most of the existing nondestructive testing operations are performed by manual coating, which not only wastes time and labor, but also causes some possibility of missing coating on the surface of the object to be tested, thereby affecting the final testing result.
Therefore, it is an urgent problem for those skilled in the art to develop a device capable of performing a nondestructive permeation test rapidly and accurately.
Disclosure of Invention
In order to solve the problems, the invention discloses a surrounding type nondestructive penetration testing device for the outer wall of a pipeline.
In order to achieve the purpose, the invention provides the following technical scheme:
a surrounding type nondestructive penetration testing device for the outer wall of a pipeline is composed of a plurality of surrounding type testing blocks which are spirally connected through connecting pieces; the inner side surface of the surrounding detection block is respectively provided with a penetrating fluid coating surface, a penetrating fluid removing surface and a developer coating surface from top to bottom, and the inside of the surrounding detection block is respectively provided with a penetrating fluid storage tank and a developer storage tank at positions corresponding to the penetrating fluid coating surface and the developer coating surface; the penetrating fluid storage tank and the developer storage tank are respectively communicated with the penetrating fluid coating surface and the developer coating surface;
the connecting piece comprises a rigid clamp and a radian adjusting piece; the rigid clamp is arranged between two adjacent surrounding type detection blocks, two ends of the rigid clamp are respectively installed with the two surrounding type detection blocks in a rotating mode, and detection block connecting grooves are symmetrically formed in the end, close to each other, of each two adjacent surrounding type detection blocks; the both ends of radian regulating part rotate respectively and install in two detect the piece spread grooves to the radian regulating part is retractable regulating part.
Further, the radian adjusting piece comprises a front end adjusting rod, a rear end adjusting rod, a front end adjusting sheet, a rear end adjusting sheet, a fixed spring, a lead, a power supply and a switch; one end of the front end adjusting rod is rotatably arranged in the connecting groove of the detection block, and the other end of the front end adjusting rod is provided with a radian adjusting groove inwards along the axial direction; one end of the rear end adjusting rod is slidably arranged in the radian adjusting groove, and the other end of the rear end adjusting rod is rotatably arranged in the adjacent detection block connecting groove; the front end adjusting sheet is a silicon steel sheet and is attached to the bottom of the radian adjusting groove; the rear end adjusting sheet is an iron sheet and is attached to one end, located in the radian adjusting groove, of the rear end adjusting rod; the fixed spring is arranged in the radian adjusting groove, and two ends of the fixed spring are respectively connected with the front end adjusting sheet and the rear end adjusting sheet; the lead is uniformly wound on the surface of the front end adjusting sheet in a spiral shape and is connected with a power supply and the switch to form a loop; the power supply and the switch are both arranged in the connecting groove of the detection block.
Furthermore, a radian adjusting resistor is connected in a loop where the lead is positioned; the radian adjusting resistor is a potentiometer.
Further, the switch is a pulse switch, and a pulse generator is installed in a matching mode.
Further, the penetrating fluid storage tank and the developer storage tank are respectively communicated with the penetrating fluid coating surface and the developer coating surface through capillary tubes.
Furthermore, a push rod is further installed on any one of the surrounding detection blocks.
Compared with the prior art, the invention has the following beneficial effects:
1. the detection device can be used for the outer wall of a pipeline, integrates the functions of coating penetrating fluid and removing developer coating, can be propelled by rotation, and is convenient and fast to use;
2. an innovative connecting piece is designed, so that the radian formed by every two adjacent surrounding type detection blocks can be adjusted, and the adjacent surrounding type detection blocks can be tightly attached to the surface of a pipeline to be detected;
3. novel structure, convenient production and manufacture and good market prospect.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the installation of two adjacent surrounding detection blocks in the present invention;
FIG. 3 is a schematic view of the structure of the arc adjustment member of the present invention;
FIG. 4 is a schematic diagram of a wrap-around detection block according to the present invention.
List of reference numbers: the device comprises a surrounding type detection block 1, a penetrating fluid coating surface 2, a penetrating fluid removing surface 3, a developer coating surface 4, a penetrating fluid storage tank 5, a developer storage tank 6, a rigid clamp 7, a radian adjusting piece 8, a detection block connecting groove 9, a front end adjusting rod 10, a rear end adjusting rod 11, a front end adjusting sheet 12, a rear end adjusting sheet 13, a fixing spring 14, a lead 15, a power supply 16, a switch 17, a radian adjusting groove 18, a radian adjusting resistor 19, a capillary tube 20 and a push rod 21.
Detailed Description
The technical solutions provided by the present invention will be described in detail with reference to specific examples, which should be understood that the following specific embodiments are only illustrative and not limiting the scope of the present invention.
Fig. 1 shows a schematic structural diagram of the present invention, which is a circumferential nondestructive permeation testing apparatus for the outer wall of a pipeline, and the testing apparatus is composed of a plurality of circumferential testing blocks 1 which are spirally connected by connecting pieces.
Any one of the surrounding type detection blocks 1 is also provided with a push rod 21, so that the rotation propulsion can be conveniently carried out through the push rod 21.
As shown in fig. 4, the inner side surface of the surrounding detection block 1 is provided with a penetrating fluid coating surface 2, a penetrating fluid removing surface 3 and a developer coating surface 4 from top to bottom, and the inside of the surrounding detection block 1 is provided with a penetrating fluid storage tank 5 and a developer storage tank 6 at positions corresponding to the penetrating fluid coating surface 2 and the developer coating surface 4; the permeate holding tank 5 and the developer holding tank 6 are respectively communicated with the permeate coating surface 2 and the developer coating surface 4 through capillary tubes 20.
As shown in fig. 2, the connecting member comprises a rigid clip 7 and an arc adjustment member 8; the rigid clamp 7 is arranged between two adjacent surrounding type detection blocks 1, two ends of the rigid clamp are respectively rotatably installed with the two surrounding type detection blocks 1, and detection block connecting grooves 9 are symmetrically arranged at the ends, close to each other, of every two adjacent surrounding type detection blocks 1; the both ends of radian adjusting part 8 rotate respectively and install in two detection piece spread grooves 9 to radian adjusting part 8 is retractable adjusting part.
As shown in fig. 3, the above arc adjuster 8 includes a front end adjusting lever 10, a rear end adjusting lever 11, a front end adjusting piece 12, a rear end adjusting piece 13, a fixing spring 14, a lead 15, a power supply 16, and a switch 17; one end of the front end adjusting rod 10 is rotatably arranged in the detection block connecting groove 9, and the other end is provided with a radian adjusting groove 18 inwards along the axial direction; one end of the rear end adjusting rod 11 is slidably arranged in the radian adjusting groove 18, and the other end of the rear end adjusting rod is rotatably arranged in the adjacent detection block connecting groove 9; the front end adjusting sheet 12 is a silicon steel sheet and is attached to the bottom of the radian adjusting groove 18; the rear end adjusting sheet 13 is an iron sheet and is attached to one end of the rear end adjusting rod 11, which is positioned in the radian adjusting groove 18; the fixed spring 14 is arranged in the radian adjusting groove 18, and two ends of the fixed spring are respectively connected with the front end adjusting sheet 12 and the rear end adjusting sheet 13; the lead 15 is uniformly wound on the surface of the front end regulating sheet 12 in a spiral shape and is connected with a power supply 16 and a switch 17 to form a loop; a radian adjusting resistor 19 is connected in a loop where the lead 15 is positioned; the radian adjusting resistor 19 is a potentiometer; the power supply 16, the switch 17 and the radian adjusting resistor 19 are all arranged in the detection block connecting groove 9.
The above switch 17 is a pulse switch, and a pulse generator is installed in a matching way.
When the detection device is practical, the surrounding detection blocks 1 are manually opened in sequence and placed on the surface of a pipeline to be detected. A pulse generator sends a pulse signal to a switch 17 to switch on a loop where a lead 15 is located, and current is conducted in the lead 15; the front end adjusting piece 12 with the electrifying conducting wire 15 wound on the surface generates strong adsorption force under the action of electromagnetism, the rear end adjusting piece 13 adsorbs the rear end adjusting rod 11 to overcome the elastic action of the fixed spring 14, and the rear end adjusting rod 11 moves inwards along the radian adjusting groove 18, so that the whole length of the radian adjusting piece 8 is reduced.
Simultaneously, because two adjacent surrounding type detection blocks 1 are connected through the rigid clamp 7, the whole body can be kept to cling to the surface of the pipeline to be detected under the combined action of the rigid clamp 7 and the radian adjusting piece 8. The whole body is rotationally pushed by a push rod 21, and the coating of penetrating fluid, the removal of penetrating fluid and the coating of developing agent are sequentially carried out on the surface of the pipeline through a penetrating fluid coating surface 2, a penetrating fluid removing surface 3 and a developing agent coating surface 4, so that all the prior work of nondestructive penetration detection is sequentially completed.
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 the technical solutions, and those skilled in the art should understand that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all the modifications and equivalent substitutions should be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a surrounding type nondestructive penetration testing device for pipeline outer wall which characterized in that: the detection device is formed by spirally connecting a plurality of surrounding detection blocks (1) through connecting pieces; the inner side surface of the surrounding detection block (1) is respectively provided with a penetrating fluid coating surface (2), a penetrating fluid removing surface (3) and a developer coating surface (4) from top to bottom, and a penetrating fluid storage tank (5) and a developer storage tank (6) are respectively arranged in the surrounding detection block (1) at the positions corresponding to the penetrating fluid coating surface (2) and the developer coating surface (4); the penetrating fluid storage tank (5) and the developer storage tank (6) are respectively communicated with the penetrating fluid coating surface (2) and the developer coating surface (4); the connecting piece comprises a rigid clamp (7) and a radian adjusting piece (8); the rigid clamp (7) is arranged between two adjacent surrounding type detection blocks (1), two ends of the rigid clamp are respectively rotatably installed with the two surrounding type detection blocks (1), and detection block connecting grooves (9) are symmetrically arranged at one end, close to each other, of each two adjacent surrounding type detection blocks (1); two ends of the radian adjusting part (8) are respectively rotatably installed in the two detection block connecting grooves (9), and the radian adjusting part (8) is a telescopic adjusting part;
the radian adjusting piece (8) comprises a front end adjusting rod (10), a rear end adjusting rod (11), a front end adjusting sheet (12), a rear end adjusting sheet (13), a fixed spring (14), a lead (15), a power supply (16) and a switch (17); one end of the front end adjusting rod (10) is rotatably arranged in the detection block connecting groove (9), and the other end is provided with a radian adjusting groove (18) axially and inwards; one end of the rear end adjusting rod (11) is slidably arranged in the radian adjusting groove (18), and the other end of the rear end adjusting rod is rotatably arranged in the adjacent detecting block connecting groove (9); the front end adjusting sheet (12) is a silicon steel sheet and is attached to the bottom of the radian adjusting groove (18); the rear end adjusting sheet (13) is an iron sheet and is attached to one end, located in the radian adjusting groove (18), of the rear end adjusting rod (11); the fixed spring (14) is arranged in the radian adjusting groove (18), and two ends of the fixed spring are respectively connected with the front end adjusting sheet (12) and the rear end adjusting sheet (13); the lead (15) is uniformly wound on the surface of the front end regulating sheet (12) in a spiral shape and is connected with a power supply (16) and a switch (17) to form a loop; and the power supply (16) and the switch (17) are arranged in the detection block connecting groove (9).
2. The apparatus of claim 1, wherein the apparatus comprises: a radian adjusting resistor (19) is arranged in a loop where the lead (15) is positioned; the radian adjusting resistor (19) is a potentiometer.
3. The encircling type nondestructive penetration testing device for the outer wall of the pipeline according to claim 1, wherein: the switch (17) is a pulse switch and is provided with a pulse generator in an adaptive manner.
4. The encircling type nondestructive penetration testing device for the outer wall of the pipeline according to claim 1, wherein: the penetrating fluid storage tank (5) and the developer storage tank (6) are respectively communicated with the penetrating fluid coating surface (2) and the developer coating surface (4) through capillary tubes (20).
5. The encircling type nondestructive penetration testing device for the outer wall of the pipeline according to claim 1, wherein: a push rod (21) is also arranged on any one of the surrounding type detection blocks (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110726871.1A CN113418928B (en) | 2021-06-29 | 2021-06-29 | A surrounding type nondestructive penetration testing device for pipeline outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110726871.1A CN113418928B (en) | 2021-06-29 | 2021-06-29 | A surrounding type nondestructive penetration testing device for pipeline outer wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113418928A CN113418928A (en) | 2021-09-21 |
| CN113418928B true CN113418928B (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110726871.1A Active CN113418928B (en) | 2021-06-29 | 2021-06-29 | A surrounding type nondestructive penetration testing device for pipeline outer wall |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1292752B (en) * | 1964-12-22 | 1969-04-17 | Siemens Ag | Armature bearing for electromagnetic relays |
| US6952094B1 (en) * | 2004-12-22 | 2005-10-04 | General Electric Company | Nondestructive inspection method and system therefor |
| CN103465143B (en) * | 2013-10-10 | 2016-01-20 | 国家电网公司 | A kind of Non-Destructive Testing pipe special oxide skin automatically grinding devices and methods therefor |
| CN209432748U (en) * | 2018-12-29 | 2019-09-24 | 汕头市超声检测科技有限公司 | A kind of Ultrasonic NDT chain type scanning frame for large diameter pipeline |
| CN112505060A (en) * | 2020-12-15 | 2021-03-16 | 徐子明 | Weld joint nondestructive testing system for pipeline flaw detection |
| CN112505059A (en) * | 2020-12-15 | 2021-03-16 | 徐子明 | A welding seam nondestructive test device for pipeline is detected a flaw |
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