CN110987975B - Radiation-proof elbow flaw detection auxiliary device - Google Patents
Radiation-proof elbow flaw detection auxiliary device Download PDFInfo
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- CN110987975B CN110987975B CN201911332310.2A CN201911332310A CN110987975B CN 110987975 B CN110987975 B CN 110987975B CN 201911332310 A CN201911332310 A CN 201911332310A CN 110987975 B CN110987975 B CN 110987975B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/30—Accessories, mechanical or electrical features
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/624—Specific applications or type of materials steel, castings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/628—Specific applications or type of materials tubes, pipes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/646—Specific applications or type of materials flaws, defects
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Abstract
The invention relates to the field of steel pipe weld seam flaw detection equipment, in particular to an auxiliary device for radiation-proof elbow flaw detection. Including detecting the ring, the left and right sides that detects the ring all is provided with power component, power component and detection are provided with the connecting piece between the ring. The operation is simple and the design is reasonable; the detection can be carried out on the welded straight pipe and the welded bent pipe; the method can detect not only the uninstalled pipeline but also the installed pipeline; the flaw detection can be carried out on the welding seam, and the detection can be carried out on the formed pipeline; the device can adapt to various different operating environments, realizes long-time continuous operation, and is particularly suitable for a manifold system with longer pipelines and more bends; detection error is small, and meanwhile, the risk that an operator is radiated is avoided.
Description
Technical Field
The invention relates to the field of steel pipe weld seam flaw detection equipment, in particular to an auxiliary device for radiation-proof elbow flaw detection.
Background
The nondestructive detection is a detection technology for carrying out defects, chemical and physical parameters on materials, parts and equipment by using the principle technologies of sound, light, electromagnetism and the like of an object on the premise of not damaging or influencing the use performance of a detected object; nondestructive testing is an indispensable effective tool for industrial development, reflects the industrial development level of a country to a certain extent, has recognized the importance of nondestructive testing, and mainly comprises four types, namely ray inspection, ultrasonic inspection, magnetic powder inspection and liquid penetration inspection.
In the field of steel pipe production, after the steel pipe is welded, the flaw detection mode of the welding seam of the steel pipe is generally to adopt ray detection, and the welding seam welded by the steel pipe is distributed along the circumference of the steel pipe, so that the steel pipe can be continuously pulled to rotate in the flaw detection process, so that the position where the welding seam is exposed is subjected to flaw detection by a flaw detector, and the steel pipe has large weight, so that the steel pipe needs to be rotated by other equipment during flaw detection, and the steel pipe is time-consuming and labor-consuming; if the steel pipe is not moved and the flaw detector is moved to detect flaws, the focusing parameters of the flaw detector are required to be continuously adjusted in the moving process, otherwise, the inspection effect is influenced to a certain degree, the positioning is difficult to be accurate, rays have certain reflection, an operator needs to be in close contact with the flaw detector after adjusting the flaw detector for a long time, the influence of radiation on the operator is great, and the health of the operator is seriously damaged.
In order to solve the problems, the invention is a novel steel pipe welding line radiation-proof flaw detection device which is published with the number CN208999326U, and comprises a base, an annular rail mechanism, a flaw detection mechanism and an adjusting mechanism, wherein the base is arranged at the bottom of the device to play a supporting role, and the top side of the base is provided with the annular rail mechanism; the circular rail mechanism is equipped with two sets of that mirror symmetry set up, and two sets of structures are the same completely, and the mechanism of detecting a flaw sets up between two sets of circular rail mechanisms, and two sets of circular rail mechanisms are connected respectively at both ends, and the mechanism of detecting a flaw includes the mounting panel, the cover that protects against radiation, the gear, servo motor, the appearance of detecting a flaw, and guiding mechanism sets up between two sets of circular rail mechanisms and fixed mounting in base top side, and guiding mechanism is including a plurality of pneumatic cylinders, and the pneumatic cylinder output is equipped with the layer board, and the steel pipe is placed at the layer board upside. The method can accurately position, can quickly and effectively detect the flaw of the steel pipe weld joint, and avoids radiation influence.
However, although the above solution can detect a welded straight pipe, it cannot detect a welded bent pipe; in the actual flaw detection process, not only the uninstalled pipeline needs to be detected, but also the installed pipeline needs to be detected sometimes; and the detection of the weld joint and the detection of the formed pipeline are required. In the prior art, if the ray flaw detector is suitable for various different operating environments, manual means is needed, but manual work cannot be used for long-time continuous operation, particularly a manifold system with a long pipeline and more bent channels; and the manual detection error is great, and operating personnel also has the risk of being radiated simultaneously.
Disclosure of Invention
Aiming at the defects, the invention provides an auxiliary device for flaw detection of an anti-radiation bent pipe.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a radiation protection return bend auxiliary device that detects a flaw, includes and detects the ring, the left and right sides that detects the ring all is provided with power component, be provided with the connecting piece between power component and the detection ring.
Preferably, the detection ring comprises a first detection half ring, a second detection half ring, a sliding motor seat, a radiation protection shell and a rotating ring which is rotationally connected to the center of the detection ring and consists of two half rings, one end of each of the first detection half ring and the second detection half ring is provided with a hinged seat, two side faces of the other end of each of the first detection half ring and the second detection half ring are provided with a hasp, the inner side and the outer side of each of the first detection half ring and the second detection half ring are respectively provided with an inner T-shaped groove and an outer T-shaped groove, the sliding motor seat and the radiation protection shell are respectively provided with a T-shaped pin, the T-shaped pin on the sliding motor seat is positioned in the outer T-shaped groove, the T-shaped pin on the radiation protection shell is positioned in the inner T-shaped groove, the sliding motor seat is provided with a first motor, and the output shaft of the first motor penetrates through one of the half rings, and the output shaft of motor is located the semi-ring is positive, be provided with gear and bearing on the output shaft of motor, the gear is located between rotating ring and the slip motor cabinet, all be provided with the ring gear on first detection semi-ring and the second detection semi-ring, gear and ring gear meshing, the bearing is located the output shaft end of motor, be provided with the bearing spacing groove on the shell of protecting against radiation, the bearing is located the bearing spacing inslot, be provided with the radiographic inspection appearance in the shell of protecting against radiation, be provided with linear drive device on the shell of protecting against radiation, the probe of radiographic inspection appearance is located linear drive device end.
Preferably, the linear driving device is an electromagnetic push rod, and the electromagnetic push rod is an action executing mechanism for realizing linear reciprocating motion of the push rod by utilizing the working characteristics of an electromagnet.
As an optimization, the radiation protection pads are arranged on two sides of the first detection half ring and the second detection half ring, the radiation protection pads are in a fan-shaped ring shape, a plurality of uniformly distributed tassel strips are arranged on the edge of the inner ring of the radiation protection pads, and the radiation protection pads are fixedly connected to the first detection half ring and the second detection half ring through rivets.
As optimization, the number of the telescopic connecting rods is eight, the telescopic connecting rods are symmetrically arranged on two sides of the detection ring, and the telescopic connecting rods which are located on the same side of the detection ring are also symmetrically arranged.
Preferably, the included angle between the length direction of the telescopic connecting rod and the length direction of the pipeline is 5-30 degrees.
As an optimization, the power assembly comprises a fixed platform, a second motor and a spindle seat are arranged on the fixed platform, a spindle is rotatably connected to the spindle seat, countershafts are rotatably connected to two ends of the fixed platform, end face gears are arranged on the spindle, a driving gear is arranged on an output shaft of the motor and meshed with the end face gears, driving bevel gears are arranged at two ends of the spindle, driven bevel gears are arranged at one ends of the countershafts and meshed with the driven bevel gears, connecting pieces are arranged on the countershafts and are C-shaped, wing portions of the connecting pieces are rotatably connected with the countershafts, and rubber wheels are arranged at two ends of the connecting pieces.
Preferably, a threaded connecting piece is arranged at the joint of the auxiliary shaft and the fixed platform, threaded connecting pieces are arranged on two sides of the rubber wheel, and adjusting threads are arranged at the lower end of the auxiliary shaft.
Preferably, spherical hinge holes are formed in the two sides of the first detection half ring, the two sides of the second detection half ring and one side of the connecting piece, the connecting piece comprises a plurality of telescopic connecting rods, spherical hinges are arranged at the two ends of each telescopic connecting rod, and the spherical hinges are located in the spherical hinge holes.
Preferably, the differentials are arranged in the centers of the main shaft and the auxiliary shaft and adopt the prior art, so that the power assembly can move on the bent pipe more smoothly, and the easy turning is realized.
The invention has the beneficial effects that: the auxiliary device for flaw detection of the radiation-proof bent pipe is simple to operate and reasonable in design; the detection method can detect not only the welded straight pipe but also the welded bent pipe; the method can detect not only the uninstalled pipeline but also the installed pipeline; the flaw detection can be carried out on the welding seam, and the detection can be carried out on the formed pipeline; the device can adapt to various different operating environments, realizes long-time continuous operation, and is particularly suitable for a manifold system with longer pipelines and more bends; detection error is small, and meanwhile, the risk that an operator is radiated is avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic view of the buckle of the present invention;
FIG. 5 is a schematic view of the overall structure of the detection ring of the present invention;
FIG. 6 is a schematic front view of a detection ring according to the present invention;
FIG. 7 is a schematic cross-sectional view of a detection ring of the present invention;
FIG. 8 is a schematic view of a portion of the detection ring of the present invention;
FIG. 9 is a schematic structural view of portion B of FIG. 8;
FIG. 10 is a schematic view of a detection ring with a radiation protection pad mounted thereon;
FIG. 11 is a schematic view of the overall structure of the power assembly of the present invention;
FIG. 12 is a schematic front view of the power assembly of the present invention;
FIG. 13 is a schematic view of the overall structure of the inspection straight pipe according to the present invention;
fig. 14 is a schematic view of the overall structure of the elbow detection device according to the present invention.
Wherein, 1, a detection ring, 2, a power assembly, 3, a connecting piece, 4, a pipeline, 5, a differential mechanism, 101, a first detection half ring, 102, a second detection half ring, 103, a first motor, 104, a spherical hinge hole, 105, a sliding motor seat, 106, a radiation-proof shell, 107, a linear driving device, 108, a T-shaped pin, 109, an inner T-shaped groove, 110, an outer T-shaped groove, 111, a rotating ring, 112, a probe, 113, a bearing, 114, a radiographic inspection instrument, 115, gear, 116, ring gear, 117, radiation protection pad, 118, tassel strip, 119, rivet, 120, articulated seat, 121, hasp, 201, fixed platform, 202, spindle seat, 203, second motor, 204, driving gear, 205, face gear, 206, drive bevel gear, 207, countershaft, 208, screw thread locating part, 209, rubber wheel, 210, connecting piece, 211, adjusting screw thread, 301, telescopic connecting rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The first embodiment is as follows:
the auxiliary device for flaw detection of the radiation-proof elbow pipe shown in fig. 1 to 14 comprises a detection ring 1, wherein power assemblies 2 are arranged on the left side and the right side of the detection ring 1, and a connecting piece 3 is arranged between each power assembly 2 and the detection ring 1.
In this embodiment, the detection ring 1 includes a first detection half ring 101, a second detection half ring 102, a sliding motor base 105, a radiation protection casing 106, and a rotation ring 111 rotatably connected to the center of the detection ring 1 and composed of two half rings, wherein one end of each of the first detection half ring 101 and the second detection half ring 102 is provided with a hinge base 120, two side surfaces of the other end of each of the first detection half ring 101 and the second detection half ring 102 are provided with a buckle 121, two inner sides and two outer sides of each of the first detection half ring 101 and the second detection half ring 102 are respectively provided with an inner T-shaped groove 109 and an outer T-shaped groove 110, the sliding motor base 105 and the radiation protection casing 106 are both provided with T-shaped pins 108, the T-shaped pin 108 on the sliding motor base 105 is located in the outer T-shaped groove 110, the T-shaped pin 108 on the radiation protection casing 106 is located in the inner T-shaped groove 109, the sliding motor base 105 is provided with a first motor 103, the output shaft of the first motor 103 penetrates through one of the half rings forming the rotating ring 111, the output shaft of the motor is located in the middle of the half ring, a gear 115 and a bearing 113 are arranged on the output shaft of the motor, the gear 115 is located between the rotating ring 111 and the sliding motor base 105, gear rings 116 are arranged on the first detection half ring 101 and the second detection half ring 102, the gear 115 is meshed with the gear rings 116, the bearing 113 is located at the tail end of the output shaft of the motor, a bearing 113 limiting groove is arranged on the radiation protection shell 106, the bearing 113 is located in the bearing 113 limiting groove, a ray detector 114 is arranged in the radiation protection shell 106, a linear driving device 107 is arranged on the radiation protection shell 106, and a probe 112 of the ray detector 114 is located at the tail end of the linear driving device 107.
In this embodiment, the number of the telescopic connecting rods 301 is eight, the telescopic connecting rods are symmetrically arranged on two sides of the detection ring 1, and the telescopic connecting rods 301 located on the same side of the detection ring 1 are also symmetrically arranged.
In this embodiment, the angle between the length direction of the telescopic connecting rod 301 and the length direction of the pipe 4 is 5 ° to 30 °.
In this embodiment, the power assembly 2 includes a fixed platform 201, a second motor 203 and a spindle base 202 are disposed on the fixed platform 201, a spindle is rotatably connected to the spindle base 202, two ends of the fixed platform 201 are rotatably connected to a counter shaft 207, a face gear 205 is disposed on the spindle, a driving gear 204 is disposed on an output shaft of the motor, the driving gear 204 is engaged with the face gear 205, driving bevel gears 206 are disposed at two ends of the spindle, a driven bevel gear 115 is disposed at one end of the counter shaft 207, the driving bevel gears 206 are engaged with the driven bevel gears 115, a connecting piece 210 is disposed on the counter shaft 207, the connecting piece 210 is C-shaped, a wing portion of the connecting piece 210 is rotatably connected to the counter shaft 207, and rubber wheels 209 are disposed at two ends of the connecting piece 210.
In this embodiment, a threaded connection part 3 is provided at the connection part of the auxiliary shaft 207 and the fixed platform 201, threaded connection parts 3 are also provided at both sides of the rubber wheel 209, and an adjusting thread 211 is provided at the lower end of the auxiliary shaft 207.
In this embodiment, the two sides of the first detection half ring 101, the two sides of the second detection half ring 102 and one side of the connection plate 210 are all provided with a spherical hinge hole 104, the connection member 3 includes a plurality of telescopic connection rods 301, two ends of each telescopic connection rod 301 are all provided with a spherical hinge, and the spherical hinges are located in the spherical hinge holes 104.
In this embodiment, a differential 5 is disposed in the middle of the main shaft and the auxiliary shaft 207, and the differential 5 adopts the prior art, so as to make the power assembly 2 move more smoothly on the elbow to realize easy turning.
Example two:
in the present embodiment, the other settings are the same as the embodiments, and the differences are only that: the linear driving device 107 is an electromagnetic push rod, which is an action executing mechanism for realizing linear reciprocating motion of the push rod by utilizing the working characteristics of an electromagnet.
Example three:
in the present embodiment, the other settings are the same as the embodiments, and the differences are only that: the radiation protection pad is arranged on each of the two sides of the first detection half ring 101 and the second detection half ring 102, the radiation protection pad 117 is in a fan-shaped ring shape, a plurality of evenly distributed tassel strips 118 are arranged on the inner ring edge of the radiation protection pad 117, and the radiation protection pad 117 is fixedly connected to the first detection half ring 101 and the second detection half ring 102 through rivets 119, so that the radiation protection effect is better.
The using method comprises the following steps: the invention provides an auxiliary device for flaw detection of an anti-radiation bent pipe, which is characterized in that a motor is positioned in the middle of a first detection half ring 101 before use, two half rings forming a rotating ring 111 are just positioned in the first detection half ring 101 and a second detection half ring 102 respectively, a hasp 121 is opened, a thread limiting piece 208 at the lowest end of an auxiliary shaft 207 is unscrewed, a rubber wheel 209 at the lowest end is put down, a detection ring 1 is sleeved on a pipeline 4, the hasp 121 is fastened, and then the rubber wheel 209 at the lowest end is reinstalled and fine-adjusted; after the adjustment is completed, the first motor 103 and the second motor 203 are started, the first motor 103 rotates to drive the driving gear 204 to rotate, so that the end face gear 205 is driven to rotate, the main shaft rotates, the driving bevel gear 206 drives the driven bevel gear 115 to rotate, the auxiliary shaft 207 rotates, and finally the flaw detection auxiliary device moves forwards; the second motor 203 rotates to drive the gear 115 to rotate, so that the sliding motor base 105 and the radiation protection shell 106 make circular motion, namely the radiographic inspection instrument 114 and the probe 112 make circular motion; the position of the probe 112 can be adjusted by an electromagnetic push rod; when turning, the differential mechanism 5 and the telescopic connecting rod 301 are mutually matched to enable the power assembly 2 to move more smoothly on the bent pipe, and light turning is realized.
When the straight pipe which is not installed is detected, fixed supports can be reinforced at two ends of the pipeline; when the uninstalled bent pipe is detected, the placing mode like the figure 14 can be adopted, and fixing supports are added on two sides; the fixed support does not need to be reinforced when the installed pipeline is detected;
the above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides an auxiliary device that detects a flaw of radiation protection return bend which characterized in that: the device comprises a detection ring, wherein power assemblies are arranged on the left side and the right side of the detection ring, and a connecting piece is arranged between each power assembly and the detection ring;
the detection ring comprises a first detection half ring, a second detection half ring, a sliding motor seat, a radiation protection shell and a rotating ring which is rotationally connected in the middle of the detection ring and consists of two half rings, wherein one end of the first detection half ring and one end of the second detection half ring are both provided with a hinged seat, both side surfaces of the other end of the first detection half ring and the other end of the second detection half ring are both provided with a hasp, the inner side and the outer side of the first detection half ring and the inner side and the outer side of the second detection half ring are respectively provided with an inner T-shaped groove and an outer T-shaped groove, the sliding motor seat and the radiation protection shell are both provided with T-shaped pins, the T-shaped pin on the sliding motor seat is positioned in the outer T-shaped groove, the T-shaped pin on the radiation protection shell is positioned in the inner T-shaped groove, the sliding motor seat is provided with a first motor, the output shaft of the first motor penetrates through one of the half rings which form the rotating ring, and the output shaft of the motor is positioned in the middle of the half rings, the utility model discloses a motor radiation protection device, including radiation protection shell, be provided with the output shaft of motor, be provided with gear and bearing on the output shaft of motor, the gear is located between rotating ring and the slip motor cabinet, all be provided with the ring gear on first detection semi-ring and the second detection semi-ring, gear and ring gear meshing, the bearing is located the output shaft end of motor, be provided with the bearing spacing groove on the radiation protection shell, the bearing is located the bearing spacing inslot, be provided with the ray inspection appearance in the radiation protection shell, be provided with linear drive device on the radiation protection shell, the probe of ray inspection appearance is located linear drive device end.
2. The radiation protection elbow flaw detection auxiliary device according to claim 1, characterized in that: the linear driving device is an electromagnetic push rod.
3. The radiation protection elbow flaw detection auxiliary device according to claim 1, characterized in that: the radiation protection pad is arranged on each of the two sides of the first detection half ring and the second detection half ring and is in a fan-shaped ring shape, a plurality of evenly distributed tassels are arranged on the edge of the inner ring of the radiation protection pad, and the radiation protection pad is fixedly connected to the first detection half ring and the second detection half ring through rivets.
4. The radiation protection elbow flaw detection auxiliary device according to claim 3, characterized in that: the power assembly comprises a fixed platform, a second motor and a spindle seat are arranged on the fixed platform, a spindle is rotatably connected to the spindle seat, countershafts are rotatably connected to two ends of the fixed platform, face gears are arranged on the spindle, driving gears are arranged on output shafts of the motors and meshed with the face gears, driving bevel gears are arranged at two ends of the spindle, driven bevel gears are arranged at one ends of the countershafts and meshed with the driven bevel gears, connecting pieces are arranged on the countershafts and are C-shaped, and rubber wheels are arranged at two ends of each connecting piece.
5. The radiation-proof elbow flaw detection auxiliary device according to claim 4, characterized in that: the rubber wheel is characterized in that a threaded connecting piece is arranged at the joint of the auxiliary shaft and the fixed platform, threaded connecting pieces are arranged on two sides of the rubber wheel, and adjusting threads are arranged at the lower end of the auxiliary shaft.
6. The radiation-proof elbow flaw detection auxiliary device according to claim 5, characterized in that: the two sides of the first detection semi-ring, the two sides of the second detection semi-ring and one side of the connecting piece are provided with spherical hinge holes, the connecting piece comprises a plurality of telescopic connecting rods, spherical hinges are arranged at the two ends of the telescopic connecting rods, and the spherical hinges are located in the spherical hinge holes.
7. The radiation protection elbow flaw detection auxiliary device according to claim 6, characterized in that: the telescopic connecting rods are eight and symmetrically arranged on two sides of the detection ring, and the telescopic connecting rods which are positioned on the same side of the detection ring are also symmetrically arranged.
8. The radiation protection elbow flaw detection auxiliary device according to claim 7, characterized in that: the included angle between the length direction of the telescopic connecting rod and the length direction of the pipeline is 5-30 degrees.
9. The radiation protection elbow flaw detection auxiliary device according to claim 8, characterized in that: and differentials are arranged in the centers of the main shaft and the auxiliary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332310.2A CN110987975B (en) | 2019-12-22 | 2019-12-22 | Radiation-proof elbow flaw detection auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332310.2A CN110987975B (en) | 2019-12-22 | 2019-12-22 | Radiation-proof elbow flaw detection auxiliary device |
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| CN110987975A CN110987975A (en) | 2020-04-10 |
| CN110987975B true CN110987975B (en) | 2022-07-29 |
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| CN201911332310.2A Active CN110987975B (en) | 2019-12-22 | 2019-12-22 | Radiation-proof elbow flaw detection auxiliary device |
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| CN111812128B (en) * | 2020-07-18 | 2023-05-09 | 王震 | Pipe diameter adaptation adjusting pipeline radiation protection flaw detection device |
| CN117823753B (en) * | 2024-03-06 | 2024-05-14 | 济宁市特种设备检验研究院 | Pipeline nondestructive testing crawling robot and detection method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05126809A (en) * | 1991-10-21 | 1993-05-21 | Ishikawajima Harima Heavy Ind Co Ltd | Ultrasonic flaw detecting apparatus for welded part in narrow part |
| JP4816731B2 (en) * | 2006-06-13 | 2011-11-16 | 住友金属工業株式会社 | Ultrasonic flaw detection method, welded steel pipe manufacturing method, and ultrasonic flaw detection apparatus |
| CN103091399B (en) * | 2013-01-11 | 2014-10-15 | 浙江大学 | Bent steel tube ultrasonic automatic detecting system |
| CN103063743B (en) * | 2013-01-11 | 2014-08-13 | 浙江大学 | Moveable-feeding-mechanism-based ultrasonic flaw detection system for bent steel tubes |
| CN108523913A (en) * | 2018-05-21 | 2018-09-14 | 绍兴市上虞区中泰医疗科技有限公司 | A kind of medical treatment detection device |
| CN208999326U (en) * | 2018-10-27 | 2019-06-18 | 常熟市盈博钢管有限公司 | A kind of novel steel tube weld seam radiation protection failure detector |
| CN109975328B (en) * | 2019-04-16 | 2020-03-13 | 海南民生公用管道检验有限公司 | Pipeline radiographic inspection device and inspection method |
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