CN117630171A - Pipe weld joint flaw detection equipment - Google Patents
Pipe weld joint flaw detection equipment Download PDFInfo
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- CN117630171A CN117630171A CN202311653943.XA CN202311653943A CN117630171A CN 117630171 A CN117630171 A CN 117630171A CN 202311653943 A CN202311653943 A CN 202311653943A CN 117630171 A CN117630171 A CN 117630171A
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 239000000523 sample Substances 0.000 claims abstract description 53
- 239000012530 fluid Substances 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000007822 coupling agent Substances 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 12
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 230000001502 supplementing effect Effects 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 38
- 238000001802 infusion Methods 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000004140 cleaning Methods 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
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
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- 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)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to a pipe weld joint flaw detection device applied to the field of ultrasonic detection, which realizes the connection effect of elastic movement on a probe on a movable ring plate by arranging an elastic telescopic column, and in the 360-degree rotation process of the probe, on one hand, the full-direction detection on an annular weld joint is realized, the probe and the surface of the weld joint are kept in a close contact state continuously, so that the detection accuracy is effectively improved, on the other hand, the probe with the elastic movement function can adapt to pipes with different diameter sizes, has a larger application range, in the pipe installation process, the placement position of the pipe has a larger allowable range, even if the pipe and a hollow vertical plate are in a non-coaxial state, the probe can correspondingly move according to the position of the pipe in the detection process, the close contact with the weld joint is always kept, so that the accurate detection is realized, and in addition, a fluid supplementing cylinder can carry out secondary coating of a coupling agent on the weld joint in the detection process, so that the detection accuracy is further improved.
Description
Technical Field
The invention relates to flaw detection equipment, in particular to pipe weld joint flaw detection equipment applied to the field of ultrasonic detection.
Background
In one of the nondestructive detection methods in the ultrasonic detection industry, when ultrasonic waves enter an object to encounter a defect, a part of sound waves are reflected, and the reflected waves can be analyzed by a transmitter and a receiver, so that the defect can be detected abnormally and accurately, the position and the size of the internal defect can be displayed, the thickness of a material can be measured, and the like.
The advantages of ultrasonic detection are obvious, the penetrating capacity is large, for example, the effective detection depth in steel can reach more than 1 meter, the flaw detection sensitivity is high for planar flaws such as cracks, interlayers and the like, the depth and the relative size of the flaws can be measured, but the flaws also exist, a certain degree of finish is required for the inspected surface, and a couplant is required to fill the gap between a probe and the inspected surface so as to ensure sufficient acoustic coupling.
When the ultrasonic wave is adopted to detect the annular welding seam on the pipe, the pipe or the probe needs to be rotated, so that the contact between the probe and the pipe welding seam is not tight enough, and the detection accuracy is affected.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the technical problems that when ultrasonic waves are adopted to detect the annular welding seam on the pipe, the pipe or the probe needs to be rotated, and the contact between the probe and the welding seam of the pipe is easily insufficient in the process, so that the detection accuracy is affected.
In order to solve the problems, the invention provides pipe weld joint flaw detection equipment, which comprises a base, wherein the upper end of the base is fixedly connected with a hollow vertical plate, a probe is connected to the hollow vertical plate, an inner cavity is formed in the hollow vertical plate, an annular hole communicated with the outside is formed in the inner ring wall of the inner cavity, a movable ring plate is rotationally connected in the inner cavity, the upper end of the probe sequentially and movably penetrates through the annular hole and the movable ring plate and is fixedly connected with a connecting disc, a pair of elastic telescopic columns are fixedly connected between the connecting disc and the outer end of the movable ring plate, each elastic telescopic column comprises a telescopic rod and a telescopic spring, the telescopic rod is fixedly connected between the connecting disc and the movable ring plate, the telescopic spring is sleeved on the outer side of the telescopic rod, and two ends of the telescopic spring are respectively abutted against the connecting disc and the movable ring plate;
the inner wall behind the inner chamber is last fixedly connected with locating lever and electronic pivot, and the one end of the outer end still fixedly connected with stay cord of movable ring plate, the other end of stay cord are walked around movable ring plate outer end and locating lever in proper order and are fixed connection with electronic pivot outer end, and the stay cord is located between even dish and the inner wall behind the inner chamber with the hookup location of movable ring plate.
As a further complement to the present application, the inner ring diameter of the moving ring plate is the same as the inner ring diameter of the inner cavity, and the width of the moving ring plate and the width of the inner cavity are the same.
As a further supplement of this application, the locating lever is located the left side of movable ring board central line, and during initial position, the probe is located vertical decurrent state, and the winding direction of stay cord in the movable ring board outer end is anticlockwise, and the winding number of turns is 1 circle.
The pipe weld joint flaw detection equipment comprises the following steps:
s1, fixing a pipe to be detected by adopting external equipment, enabling one end of the pipe to extend into the inner side of a hollow vertical plate, enabling an annular welding seam on the pipe to correspond to the position of an annular hole, and enabling the lower end of a probe to be in contact with the surface of the welding seam;
s2, coating a layer of coupling agent on the surface of the welding line, starting a positioning rod, taking up the stay cord through the positioning rod, driving a movable ring plate, a probe and a fluid infusion cylinder to slowly rotate anticlockwise, detecting the welding line by 360-degree winding through the probe, and continuously keeping a close contact state between the probe and the welding line under the elastic telescopic action of an elastic telescopic column, so that the detection accuracy is improved.
As a further improvement of the hydraulic fluid filling device, a magnetic plate is arranged in the inner cavity, a pair of connecting rods are fixedly connected between the magnetic plate and the outer end of the movable ring plate, a jack positioned between the pair of connecting rods is formed in the movable ring plate, and a fluid filling cylinder is inserted in the jack.
As a further improvement of the present application, the fluid infusion cartridge comprises a single-port cartridge filled with a couplant therein, the lower end of the single-port cartridge is fixedly connected with a liquid storage cotton, and the lower end of the single-port cartridge is provided with a through hole through which the couplant circulates.
As a further improvement supplement of the application, the upper end of the single-port cylinder is in a threaded opening shape, and the inner thread of the single-port cylinder is connected with a cylinder cover, and the upper end of the cylinder cover is fixedly connected with a magnetic block.
As a further improvement of the present application, the magnetic blocks and the magnetic plates are homopolar at the ends close to each other, and the length of the single-port cylinder is greater than the distance from the magnetic plates to the inner surface of the movable ring plate.
As a complement to the further improvement of the present application, the method of use comprises the following procedures: before step S1 is carried out, the fluid infusion cylinder filled with the coupling agent is inserted into the jack through the annular hole, the fluid infusion cylinder is temporarily fixed by hands, after step S1 is completed, the hand is loosened to fix the fluid infusion cylinder, the lower end of the fluid infusion cylinder is also contacted with the surface of a welding seam, and in the detection process, the fluid infusion cylinder carries out secondary coating of the coupling agent on the welding seam.
To sum up, this application has realized the connection effect that can elastically move through setting up the flexible post to the probe on the movable ring board, drive the probe at the movable ring board and carry out 360 rotation in-process, on the one hand, realize carrying out all-round detection to the girth weld, keep closely contact state continuously between probe and the welding seam surface, the accuracy of detection has effectively been improved, on the other hand, the probe that has the elasticity function of removing can adapt to the tubular product of different diameter sizes, make this application have great application scope, and in the installation tubular product in-process, the place position of tubular product has great allowance scope, even tubular product and cavity riser are in the coaxial state not, the probe also can carry out corresponding inside and outside removal according to tubular product position, remain throughout with the close contact of welding seam, realize accurate detection, in addition, through the setting of fluid infusion section of thick bamboo, can carry out real-time secondary coating couplant to the welding seam in the testing process, the detection accuracy has further been improved.
Drawings
FIG. 1 is a perspective view of embodiment 1 of the present application;
FIG. 2 is a second perspective view of embodiment 1 of the present application;
FIG. 3 is a perspective view III of embodiment 1 of the present application;
fig. 4 is a perspective view of embodiment 1 of the present application;
FIG. 5 is a schematic side view of embodiment 1 of the present application;
FIG. 6 is a schematic front view of embodiment 1 of the present application;
fig. 7 is a schematic diagram of a front structure of embodiment 1 of the present application;
fig. 8 is a schematic diagram of a front structure of embodiment 1 of the present application;
fig. 9 is a schematic diagram showing a front structure of embodiment 1 of the present application;
fig. 10 is a schematic diagram showing a front structure of embodiment 1 of the present application;
fig. 11 is a perspective view of embodiment 2 of the present application;
fig. 12 is a schematic front view of embodiment 2 of the present application;
FIG. 13 is a partial perspective view I of embodiment 2 of the present application;
FIG. 14 is a partial perspective view of embodiment 2 of the present application;
fig. 15 is a schematic front view of a fluid infusion cartridge according to embodiment 2 of the present application.
The reference numerals in the figures illustrate:
1 base, 2 hollow vertical plate, 201 annular hole, 202 inner cavity, 3 probe, 4 movable annular plate, 401 jack, 5 linking disc, 6 elastic telescopic column, 7 locating rod, 8 electric rotating shaft, 9 stay cord, 10 fluid infusion cylinder, 1001 single-port cylinder, 1002 liquid storage cotton, 1003 cylinder cover, 1004 magnetic block, 11 magnetic plate, 12 connecting rod.
Detailed Description
The following describes 2 embodiments of the present application in detail with reference to the accompanying drawings.
Embodiment 1:
the invention provides pipe weld joint flaw detection equipment, referring to fig. 1-4, which comprises a base 1, wherein the upper end of the base 1 is fixedly connected with a hollow vertical plate 2, a probe 3 is connected to the hollow vertical plate 2, an inner cavity 202 is formed in the hollow vertical plate 2, an annular hole 201 communicated with the outside is formed in the inner ring wall of the inner cavity 202, a movable ring plate 4 is rotatably connected in the inner cavity 202, the upper end of the probe 3 sequentially penetrates through the annular hole 201 and the movable ring plate 4 in a movable mode and is fixedly connected with a connecting disc 5, and a pair of elastic telescopic columns 6 are fixedly connected between the connecting disc 5 and the outer end of the movable ring plate 4.
The rear inner wall of the inner cavity 202 is fixedly connected with a positioning rod 7 and an electric rotating shaft 8, the outer end of the movable ring plate 4 is fixedly connected with one end of a pull rope 9, the other end of the pull rope 9 sequentially bypasses the outer end of the movable ring plate 4 and the positioning rod 7 and is fixedly connected with the outer end of the electric rotating shaft 8, and the connection position of the pull rope 9 and the movable ring plate 4 is located between the linking disc 5 and the rear inner wall of the inner cavity 202.
The pipe weld joint flaw detection equipment comprises the following steps:
s1, fixing a pipe to be detected by adopting external equipment, enabling one end of the pipe to extend into the inner side of a hollow vertical plate 2, enabling an annular welding seam on the pipe to correspond to the position of an annular hole 201, and enabling the lower end of a probe 3 to be in contact with the surface of the welding seam;
s2, coating a layer of coupling agent on the surface of a welding line, starting a positioning rod 7, taking up a pull rope 9 through the positioning rod 7, driving a movable ring plate 4, a probe 3 and a fluid infusion cylinder 10 to slowly rotate anticlockwise, detecting 360-degree winding of the welding line by the probe 3, and continuously keeping a close contact state between the probe 3 and the welding line under the elastic telescopic action of an elastic telescopic column 6, so that the detection accuracy is improved.
The elastic telescopic column 6 comprises a telescopic rod and a tension spring, the telescopic rod is fixedly connected between the connecting disc 5 and the movable ring plate 4, the tension spring is sleeved on the outer side of the telescopic rod, two ends of the tension spring are respectively abutted to the connecting disc 5 and the movable ring plate 4, when the telescopic rod is not used, the tension spring is in an original long state, the telescopic rod is in a contracted state, the probe 3 is located at the outer side of the inner cavity 202, the length of the probe is in the longest state, when the pipe is detected, as shown in fig. 6 and 7, the pipe can push the probe 3 to the inner cavity 202, the length of the elastic telescopic column 6 is stretched, the tension spring is forced to stretch, under the action of the elastic telescopic column 6, the probe 3 and the surface of a welding seam are in tight contact, and in the rotation process (as shown in fig. 8), the probe 3 and the welding seam can be kept in a tight contact state continuously, so that the detection accuracy is greatly improved.
In addition, besides the improvement of the detection tightness, the elastic expansion of the elastic expansion column 6 also realizes two other functions, namely, in a certain range, as shown in fig. 6 and 7, the detection of welding seams on pipes with different diameter sizes is realized, so that the application has a larger application range, in a process of installing the pipes on the inner side of the hollow vertical plate 2, the placement position of the pipes has a larger allowable range, as shown in fig. 9 and 10, when the pipes and the inner end of the hollow vertical plate 2 are not coaxially placed, namely, the distance between the outer end of the pipe and each part of the inner end of the hollow vertical plate 2 is different, in the rotation detection process of the probe 3, the probe 3 can move inside and outside as required according to the position of the pipe, the close contact with the welding seams is always kept, and the accurate detection of the welding seams is realized.
With reference to fig. 5, the inner ring diameter of the movable ring plate 4 is the same as the inner ring diameter of the inner cavity 202, and a large friction force exists between the contact surfaces of the movable ring plate 4 and the inner cavity 202, so that the movable ring plate 4 can be stably sleeved on the inner ring wall of the inner cavity 202 through the friction force, and is not easy to move randomly, the width of the movable ring plate 4 is the same as the width of the inner cavity 202, and two side ends of the movable ring plate 4 are in contact with a pair of side walls of the inner cavity 202, so that the movable ring plate 4 is not easy to move transversely in the inner cavity 202, and the probe 3 is not easy to move transversely along a pipe in the rotation detection process.
The locating rod 7 is located at the left side of the center line of the movable ring plate 4, in the initial position, as shown in the state shown in fig. 3 and 7, the probe 3 is located in a vertically downward state, the winding direction of the pull rope 9 at the outer end of the movable ring plate 4 is in a counterclockwise direction, the winding circle number is 1, the pull rope 9 is in a normal straightening state, when the electric rotating shaft 8 is used for winding the pull rope 9, the pull rope 9 can pull the movable ring plate 4 to overcome the friction force between the movable ring plate 4 and the inner cavity 202, the movable ring plate 4 drives the probe 3 to rotate, the omnibearing detection of the annular welding seam is realized, and as the locating rod 7 is located at the left side of the center line of the movable ring plate 4, the probe 3 at the initial position is located at the right side of the locating rod 7, the movable ring plate 4 can continue to rotate leftwards after rotating for one circle and is close to the locating rod 7, therefore the rotating angle of the movable ring plate 4 and the probe 3 can exceed 360 degrees, and the omnibearing detection of the annular welding seam is smoothly realized by the probe 3.
In addition, after the detection is completed, the probe 3 can be manually rotated clockwise for one circle, the stay cord 9 is paid off in cooperation with the rotation of the electric rotating shaft 8, the probe 3 is manually returned to the initial position, and meanwhile, the stay cord 9 is wound on the outer end of the movable ring plate 4 again, so that the next detection is facilitated.
Embodiment 2:
on the basis of keeping the structure of the embodiment 1 unchanged, the liquid supplementing cylinder 10, the magnetic plate 11 and the connecting rod 12 are additionally arranged, so that the effect of secondarily coating the couplant on the welding seam in the detection process is realized, and the method specifically comprises the following steps: referring to fig. 11-14, a magnetic plate 11 is disposed in the inner cavity 202, a pair of connecting rods 12 are fixedly connected between the magnetic plate 11 and the outer end of the moving ring plate 4, an insertion hole 401 is formed in the moving ring plate 4 and located between the pair of connecting rods 12, and a fluid infusion cylinder 10 is inserted in the insertion hole 401.
Referring to fig. 13 and 15, the fluid infusion tube 10 includes a single-port tube 1001 filled with a coupling agent, a liquid storage cotton 1002 fixedly connected to the lower end of the single-port tube 1001, a through hole for the coupling agent to circulate, a threaded opening at the upper end of the single-port tube 1001, a tube cover 1003 connected to the inner thread of the single-port tube 1001, a magnetic block 1004 fixedly connected to the upper end of the tube cover 1003, and a magnetic plate 11 having the same polarity at one end of the magnetic block 1004 and the magnetic plate 11, wherein the length of the single-port tube 1001 is longer than the distance from the magnetic plate 11 to the inner surface of the movable ring plate 4.
The use mode of the fluid infusion cylinder 10 is as follows: before step S1 of the embodiment 1 is carried out, the fluid infusion cylinder 10 filled with the coupling agent is inserted into the insertion hole 401 through the annular hole 201, the coupling agent is temporarily fixed by hands, after the pipe is installed on the inner side of the hollow vertical plate 2, the fixing of the fluid infusion cylinder 10 by hands is released, the fluid infusion cylinder 10 automatically stretches out of the insertion hole 401 until the lower end of the fluid infusion cylinder 10 contacts with the surface of a welding line under the magnetic repulsive force of the magnetic plate 11, and when the movable ring plate 4 rotates, the movable ring plate 4 drives the fluid infusion cylinder 10 to synchronously rotate, the coupling agent in the single-port cylinder 1001 is absorbed by the liquid storage cotton 1002 through the through hole, the coupling agent is coated on the surface of the coupling agent through contact extrusion with the welding line, the secondary supplement of the coupling agent is realized on the basis of primary coating of the step S2, and the detection accuracy of the probe 3 is further improved; after the detection is completed, the fluid infusion cylinder 10 can be taken out from the jack 401 to perform operations such as cleaning or supplementing a coupling agent, and the use is convenient (supplementary explanation is that the probe 3 needs to ensure the accuracy of detection, so that the rotation speed of the moving ring plate 4 is slower, the centrifugal force on the fluid infusion cylinder 10 is very small, the outward effect of the centrifugal force on the fluid infusion cylinder 10 is negligible, and the contact tightness between the fluid infusion cylinder 10 and a welding seam can be effectively maintained due to the magnetic repulsive force of the magnetic plate 11).
The scope of protection of the above-described embodiments employed in the present application is not limited to the above-described embodiments, and various changes made by those skilled in the art without departing from the spirit of the present application are still within the scope of protection of the present invention.
Claims (9)
1. The utility model provides a tubular product welding seam detection equipment that detects a flaw, includes base (1), the upper end fixedly connected with cavity riser (2) of base (1), be connected with probe (3), its characterized in that on cavity riser (2): an inner cavity (202) is formed in the hollow vertical plate (2), an annular hole (201) communicated with the outside is formed in the inner ring wall of the inner cavity (202), a movable annular plate (4) is rotatably connected in the inner cavity (202), the upper end of the probe (3) sequentially penetrates through the annular hole (201) and the movable annular plate (4) in a movable mode and is fixedly connected with a connecting disc (5), a pair of elastic telescopic columns (6) are fixedly connected between the connecting disc (5) and the outer end of the movable annular plate (4), each elastic telescopic column (6) comprises a telescopic rod and a stretching spring, the telescopic rod is fixedly connected between the connecting disc (5) and the movable annular plate (4), the stretching spring is sleeved on the outer side of the telescopic rod, and two ends of the stretching spring are respectively abutted to the connecting disc (5) and the movable annular plate (4);
the utility model discloses a motor-driven rotary shaft structure, including inner chamber (202) and motor-driven rotary shaft, fixed connection locating lever (7) and motor-driven rotary shaft (8) on the back inner wall of inner chamber (202), the one end of still fixedly connected with stay cord (9) of outer end of moving ring board (4), the other end of stay cord (9) is walked around moving ring board (4) outer end and locating lever (7) and with motor-driven rotary shaft (8) outer end fixed connection in proper order, the hookup location of stay cord (9) and moving ring board (4) is located between even dish (5) and inner wall behind inner chamber (202).
2. The pipe weld inspection and detection apparatus of claim 1, wherein: the diameter of the inner ring of the movable ring plate (4) is the same as that of the inner ring of the inner cavity (202), and the width of the movable ring plate (4) is the same as that of the inner cavity (202).
3. The pipe weld inspection and detection apparatus of claim 1, wherein: the locating rod (7) is located on the left side of the center line of the movable ring plate (4), the probe (3) is located in a vertically downward state in the initial position, the winding direction of the pull rope (9) at the outer end of the movable ring plate (4) is in the anticlockwise direction, and the winding number of turns is 1.
4. The pipe weld inspection and detection apparatus of claim 1, wherein: the detection method comprises the following steps:
s1, fixing a pipe to be detected by adopting external equipment, enabling one end of the pipe to extend into the inner side of a hollow vertical plate (2), enabling an annular welding seam on the pipe to correspond to the position of an annular hole (201), and enabling the lower end of a probe (3) to be in contact with the surface of the welding seam;
s2, coating a layer of couplant on the surface of a welding line, starting a positioning rod (7), taking up a pull rope (9) through the positioning rod (7), driving a movable ring plate (4), a probe (3) and a fluid infusion cylinder (10) to slowly rotate anticlockwise, detecting 360-degree winding of the welding line by the probe (3), and keeping a close contact state between the probe (3) and the welding line continuously under the elastic telescoping action of an elastic telescoping column (6), so that the detection accuracy is improved.
5. The pipe weld inspection and detection apparatus of claim 1, wherein: the inner part of the inner cavity (202) is provided with a magnetic plate (11), a pair of connecting rods (12) are fixedly connected between the magnetic plate (11) and the outer end of the movable ring plate (4), the movable ring plate (4) is provided with a jack (401) positioned between the pair of connecting rods (12), and a liquid supplementing cylinder (10) is inserted in the jack (401).
6. The pipe weld inspection and detection apparatus of claim 5, wherein: the liquid supplementing cylinder (10) comprises a single-port cylinder (1001) filled with a coupling agent, the lower end of the single-port cylinder (1001) is fixedly connected with liquid storage cotton (1002), and a through hole for the coupling agent to circulate is formed in the lower end of the single-port cylinder (1001).
7. The pipe weld inspection and detection apparatus of claim 6, wherein: the upper end of the single-port cylinder (1001) is in a threaded opening shape, a cylinder cover (1003) is connected with the inner threads of the single-port cylinder, and a magnetic block (1004) is fixedly connected with the upper end of the cylinder cover (1003).
8. The pipe weld inspection and detection apparatus of claim 7, wherein: the magnetic block (1004) and the magnetic plate (11) are homopolar at the end close to each other, and the length of the single-port cylinder (1001) is longer than the distance from the magnetic plate (11) to the inner surface of the movable ring plate (4).
9. The pipe weld inspection and detection apparatus of claim 5, wherein: the using method of the method (10) comprises the following steps: before step S1 is carried out, the fluid infusion cylinder (10) filled with the coupling agent is inserted into the insertion hole (401) through the annular hole (201) and is temporarily fixed by hands, after step S1 is completed, the hand is loosened to fix the fluid infusion cylinder (10), the lower end of the fluid infusion cylinder (10) is also contacted with the surface of a welding seam, and in the detection process, the fluid infusion cylinder carries out secondary coating of the coupling agent on the welding seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311653943.XA CN117630171A (en) | 2023-12-05 | 2023-12-05 | Pipe weld joint flaw detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311653943.XA CN117630171A (en) | 2023-12-05 | 2023-12-05 | Pipe weld joint flaw detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117630171A true CN117630171A (en) | 2024-03-01 |
Family
ID=90023104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311653943.XA Pending CN117630171A (en) | 2023-12-05 | 2023-12-05 | Pipe weld joint flaw detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117630171A (en) |
-
2023
- 2023-12-05 CN CN202311653943.XA patent/CN117630171A/en active Pending
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