CN113960164A - Steel pipe weld joint ultrasonic nondestructive detection device and detection method - Google Patents
Steel pipe weld joint ultrasonic nondestructive detection device and detection method Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 99
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 33
- 239000010959 steel Substances 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 238000003466 welding Methods 0.000 claims abstract description 76
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000009659 non-destructive testing Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 3
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- 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
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- 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
- G01N29/223—Supports, positioning or alignment in fixed situation
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- 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
- G01N29/27—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the material relative to a stationary sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/105—Number of transducers two or more emitters, two or more receivers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2634—Surfaces cylindrical from outside
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
- G01N2291/2675—Seam, butt welding
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Abstract
The utility model relates to a steel pipe welding seam ultrasonic wave nondestructive test device and detection method thereof, relate to steel construction detection area, in order to solve current detection device and tear the problem that inconvenient detection efficiency is lower because of ann tears open, wherein steel pipe welding seam ultrasonic wave nondestructive test device is including supporting the base, welding seam detection mechanism and actuating mechanism all set up on supporting the base, the pipeline that actuating mechanism drive level set up uses its central line to rotate as the axis, so that welding seam detection mechanism detects the welding seam on the pipeline periphery wall, welding seam detection mechanism includes that the movable sleeve locates the outside detection ring of pipeline and a plurality of detection head that are used for detecting, a plurality of detection heads all set up on detecting the ring. This application has and can detect the welding seam through detecting the head, and start actuating mechanism drives the pipeline and takes place to rotate, detects the welding seam on the head can the comprehensive detection pipeline, can accomplish the detection after the pipeline rotates certain angle, improves the effect of the efficiency that detects.
Description
Technical Field
The application relates to the field of steel structure detection, in particular to a steel pipe welding seam ultrasonic nondestructive detection device and a detection method.
Background
In urban construction, a large number of underground drainage pipelines need to be laid, the drainage pipelines usually form continuous pipelines by welding large-caliber seamless steel pipes, and welded seams of the steel pipes can be detected after the steel pipes are welded in order to ensure the quality of connection between the steel pipes. Nondestructive testing is a common testing method, and refers to testing a test piece on the premise of not damaging the material and structure of the test piece.
Chinese patent publication No. CN113092582A discloses an ultrasonic nondestructive testing apparatus for steel pipe weld and a testing method, which includes an annular rail, a fixing device for fixing the annular rail on a steel pipe, a moving frame installed on the annular rail, a testing device for testing damage to the steel pipe, and a driving device for driving the moving frame to move, wherein a sliding member is slidably fitted on the annular rail, the moving frame is hinged to the sliding member, the moving frame is slidably connected to the annular rail, the testing device and the driving device are both installed on the moving frame, the testing device includes a transmitter for transmitting a testing signal, a receiver for receiving the testing signal, and a processing terminal for processing the testing signal, and the testing signal is received by the receiver and transmitted to the processing terminal. The detection device is driven to move on the annular rail through the moving frame so as to detect the welding seam of the connecting seam of the steel pipe, and the detection is convenient.
In view of the above-mentioned related art, the inventors found that the following drawbacks exist: the device need install it to the pipeline when detecting the welding seam of pipeline, because the device's structure is comparatively complicated, the process of installation and dismantlement is comparatively loaded down with trivial details, when needs detect the time measuring to the many places welding seam of pipeline, has improved measurement personnel's intensity of labour, and detection efficiency is lower.
Disclosure of Invention
In order to improve the detection efficiency of the pipeline, the application provides a steel pipe welding seam ultrasonic nondestructive detection device and a detection method.
In a first aspect, the application provides a steel pipe welding seam ultrasonic nondestructive testing device, adopts following technical scheme:
the utility model provides a steel pipe welding seam ultrasonic wave nondestructive test device, is including supporting base, welding seam detection mechanism and actuating mechanism all set up on supporting the base, the pipeline that actuating mechanism drive level set up uses its central line to rotate as the axis to make welding seam detection mechanism detect the welding seam on the pipeline periphery wall, welding seam detection mechanism locates the outside detection ring of pipeline and a plurality of detection head that are used for detecting including the movable sleeve, and is a plurality of it all sets up on detecting the ring to detect the head.
Through adopting above-mentioned technical scheme, when detecting the welding seam of pipeline, place the pipeline on actuating mechanism earlier, make the welding seam position of pipeline be in the inside that detects the ring, can detect the welding seam through detecting the head, it takes place to rotate to drive the pipeline after actuating mechanism to start simultaneously, make and detect the welding seam that the head can detect on the pipeline comprehensively, and it is provided with the multiunit to detect the head, can accomplish the detection after the pipeline rotates certain angle, improve the efficiency that detects, can avoid single detection head to cause the inaccurate data problem of detection when breaking down simultaneously.
Optionally, the detection ring comprises two semicircular rings, one ends of the two semicircular rings are rotationally connected with each other, and the other ends of the two semicircular rings are provided with fasteners for connecting the other ends of the two semicircular rings with each other.
Through adopting above-mentioned technical scheme, can open after two semicircle ring rotations to be convenient for place the pipeline between two semicircle rings, can make the other end interconnect of two semicircle rings through the buckling piece, and then make the outside of pipeline is located to two semicircle ring covers, make the installation of pipeline more convenient to the device time, the welded joint on to the pipeline of detection head on the semicircle ring detects again, further improves the detection efficiency of pipeline.
Optionally, the lifting mechanism is used for driving the two semicircular rings to move in the vertical direction, and the lifting mechanism is arranged between the two semicircular rings and the supporting base.
Through adopting above-mentioned technical scheme, elevation structure can make two semicircle rings move in vertical direction, and when the outside of pipeline was located to two semicircle ring cover, make two semicircle rings remove the back through elevation structure, set up with the pipeline coaxial line to make the distance between the outer wall of detection head on two semicircle rings and pipeline equal, avoid causing the distance difference to cause the influence to the detection data, make a plurality of detection heads more accurate to the testing result of seam.
Optionally, elevating system includes mount, threaded rod, first rotation driving piece and gag lever post, the mount sets up on supporting the base, set up the screw hole with threaded rod screw thread adaptation on the mount, the threaded rod is vertical setting and top and one the outer wall of semicircle ring rotates to be connected, the threaded rod coaxial line sets up in the output of first rotation driving piece, first rotation driving piece drive threaded rod rotates so that two the semicircle ring rises or descends, the vertical setting of gag lever post and the top of gag lever post with semicircle ring fixed connection, set up the perforation that supplies the gag lever post to wear to establish on the mount.
Through adopting above-mentioned technical scheme, threaded connection between threaded rod and the mount, first rotation driving piece drive threaded rod rotates the back, and the threaded rod moves in vertical direction to can adjust the height of semicircle ring position, carry on spacingly through the gag lever post to the semicircle ring simultaneously, make the semicircle ring can not rotate, it is more stable when making the semicircle ring remove.
Optionally, the first rotary driving part comprises a first motor and a connecting rod, the connecting rod is coaxially arranged at the output end of the first motor, and a slot movably connected with the connecting rod in an inserting mode is formed in the bottom end of the threaded rod.
Through adopting above-mentioned technical scheme, start first motor and drive the connecting rod and rotate, the connecting rod inserts in the slot of threaded rod bottom to can drive the threaded rod and take place to rotate, the threaded rod takes place relative slip between the in-process of upward movement and the connecting rod, and the high removal that need not along with the threaded rod of first motor is adjusted, improves the stability in use of device.
Optionally, the driving mechanisms are at least two groups, and the two groups of driving mechanisms are respectively arranged on two sides of the fixing frame.
Through adopting above-mentioned technical scheme, actuating mechanism sets up in the both sides of mount, and when the pipeline was placed, the both ends of pipeline all took and arrange actuating mechanism in on, can drive the both ends rotation of pipeline simultaneously through actuating mechanism, make the pipeline rotate more stably, improve the detection effect to the pipeline welding seam.
Optionally, the driving mechanism comprises an installation frame, a second rotary driving piece and two groups of rotary drums, the rotary drums are rotationally connected to the installation frame along the pipeline arrangement direction, the second rotary driving piece is arranged on the installation frame, the rotary drums are coaxially and fixedly connected to the output end of the second rotary driving piece, and the second rotary driving piece is used for driving the rotary drums to rotate.
Through adopting above-mentioned technical scheme, the second rotates the driving piece and can drive a set of rotary drum and take place to rotate, rotates in order to drive the pipeline through the frictional force between rotary drum and the pipeline, and a set of rotary drum rotates along with the rotation of pipeline in addition, plays the effect of support to the pipeline, improves pipeline pivoted stability.
Optionally, the supporting base is further provided with a conveying mechanism for conveying the pipeline to move along the axis direction, the conveying mechanism is provided with at least two groups, and the two groups of conveying mechanisms are respectively arranged on two sides of the fixing frame.
Through adopting above-mentioned technical scheme, after the welding seam of a pipeline detects the completion, conveying mechanism can make the pipeline remove along its axis direction to in move the semicircle ring position fast with another welding seam of pipeline, detect another welding seam, thereby improve the efficiency that detects the welding seam on the pipeline.
Optionally, conveying mechanism includes lift, link, live-rollers and third rotation driving piece, lift fixed connection is on supporting the base, the lift is used for driving the link to move in vertical direction, the live-rollers rotates to be connected on the link, the live-rollers perpendicular to pipeline set up the direction, third rotation driving piece fixed connection is on the link, the coaxial fixed connection of live-rollers rotates the output of driving piece in the third.
Through adopting above-mentioned technical scheme, the lift promotes link and live-rollers and rises, through live-rollers with pipeline jack-up, makes pipeline and rotary drum break away from, starts the third and rotates driving piece drive live-rollers and rotate to can order about the pipeline and remove, break away from with the rotary drum when the pipeline removes, can avoid the pipeline to receive the friction at the in-process that removes and cause the damage, play better protection effect to the pipeline.
In a second aspect, the application provides a detection method of a steel pipe weld joint ultrasonic nondestructive detection device, which adopts the following technical scheme:
a detection method of a steel pipe welding seam ultrasonic nondestructive detection device comprises the following steps:
the method comprises the following steps: the semicircular rings are rotated to be opened, the pipeline is installed to be overlapped on the driving mechanism, and then the semicircular rings are rotated to be closed, so that the two semicircular rings are sleeved outside the pipeline;
step two: starting the conveying mechanism to enable the pipeline to move along the length direction, and enabling the welding seam part of the pipeline to move between the two semicircular rings;
step three: and starting the driving mechanism to rotate the pipeline, rotating the welding seam part of the pipeline between the two semicircular rings, and detecting the welding seam of the pipeline by the detection heads on the semicircular rings.
In summary, the present application includes at least the following advantageous technical effects:
1. when the welding line of the pipeline is detected, the pipeline is firstly placed on the driving mechanism, the welding line part of the pipeline is positioned in the detection ring, the welding line on the pipeline can be detected through the detection head on the detection ring, meanwhile, the driving mechanism is started to drive the pipeline to rotate, so that the detection head can comprehensively detect the welding line on the pipeline, and the detection heads are provided with a plurality of groups, so that the detection can be completed after the pipeline rotates for a certain angle, and the detection efficiency is improved;
2. the two semicircular rings move in the vertical direction by arranging the lifting mechanism, and are arranged coaxially with the pipeline after moving, so that the distances between the detection heads on the two semicircular rings and the outer wall of the pipeline are equal, the influence on detection data caused by different distances is avoided, and the accuracy of a welding seam detection result is improved;
3. through setting up conveying mechanism, after the welding seam of a pipeline detects the completion, conveying mechanism can make the pipeline remove along its axis direction to move to the semicircle ring position fast with another department welding seam of pipeline, detect another department welding seam, thereby further improve the efficiency that the welding seam detected on the pipeline.
Drawings
FIG. 1 is a schematic view of a first angled overall structure of an embodiment of the present application;
FIG. 2 is a second angle overall structure schematic of an embodiment of the present application;
fig. 3 is a schematic view illustrating an overall structure of the welding seam detection mechanism and the lifting mechanism according to the embodiment of the present application.
Reference numerals: 1. a support base; 11. mounting grooves; 12. a slider; 13. a chute; 2. a weld detection mechanism; 21. a detection ring; 211. a semicircular ring; 2111. connecting grooves by screw threads; 212. a fastener; 22. a detection head; 3. a drive mechanism; 31. a mounting frame; 32. a second rotary drive member; 33. a rotating drum; 4. a lifting mechanism; 41. a fixed mount; 411. a threaded hole; 412. perforating; 42. a threaded rod; 421. a slot; 43. a first rotary drive member; 431. a first motor; 432. a connecting rod; 44. a limiting rod; 5. a conveying mechanism; 51. a lifting member; 52. a connecting frame; 53. a rotating roller; 54. a third rotary drive member.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a steel pipe welding seam ultrasonic nondestructive testing device.
Referring to fig. 1 and 2, steel pipe welding seam ultrasonic wave nondestructive test device is including supporting base 1, welding seam detection mechanism 2, actuating mechanism 3, elevating system 4 and conveying mechanism 5, welding seam detection mechanism 2 and actuating mechanism 3 all set up on supporting base 1, actuating mechanism 3 is used for supporting the pipeline that the level set up and drives the pipeline and use its central line to rotate as the axis, detect the welding seam on the pipeline periphery wall through welding seam detection mechanism 2, elevating system 4 sets up between supporting base 1 and welding seam detection mechanism 2, a height for adjusting welding seam detection mechanism 2 in vertical direction, conveying mechanism 5 sets up on supporting base 1, can drive the pipeline through conveying mechanism 5 and remove, move another welding seam on the pipeline to welding seam detection mechanism 2 department fast and detect.
Referring to fig. 3, the welding seam detection mechanism 2 is installed at the top of the driving mechanism 3, so that different welding seam detection mechanisms 2 can be selected according to the width of a pipeline, the lifting mechanism 4 includes a fixing frame 41, the fixing frame 41 is detachably connected to the supporting base 1, a mounting plate is fixedly connected to the bottom end of the fixing frame 41, a mounting groove 11 for embedding and installing the mounting plate is formed in the supporting base 1, two sliding grooves 13 are formed in the supporting base 1, the two sliding grooves 13 are symmetrically arranged on two sides of the mounting groove 11, sliding blocks 12 are slidably connected inside the two sliding grooves 13, the sliding blocks 12 can compress and fix the mounting plate in the mounting groove 11 when sliding towards one side close to the mounting groove 11, and the sliding blocks 12 can be separated from the mounting plate in the mounting groove 11 when sliding towards one side far away from the mounting groove 11, so that the fixing frame 41 can be taken out conveniently;
in order to adjust the height of the welding seam detection mechanism 2 conveniently, the lifting mechanism 4 further comprises a threaded rod 42, a first rotary driving member 43 and a limiting rod 44, a threaded hole 411 matched with the threaded rod 42 is formed in the fixed frame 41, the threaded rod 42 is vertically arranged, the threaded rod 42 is coaxially arranged at the output end of the first rotary driving member 43, the first rotary driving member 43 drives the threaded rod 42 to rotate so as to enable the welding seam detection mechanism 2 to ascend or descend, the first rotary driving member 43 comprises a first motor 431 and a connecting rod 432, the connecting rod 432 is coaxially and fixedly connected to the output end of the first motor 431, the connecting rod is in a straight shape along a section perpendicular to the length direction of the connecting rod, a slot 421 movably connected with the connecting rod 432 in an inserting mode is formed in the bottom end of the threaded rod 42, when the first motor 431 is started to drive the connecting rod 432 to rotate, the connecting rod 432 is inserted into the slot 421 at the bottom of the threaded rod 42, so that the threaded rod 42 can be driven to rotate, threaded rod 42 takes place relative slip between the in-process of upward movement and connecting rod 432, first motor 431 highly need not to adjust along with threaded rod 42's removal, the vertical setting of gag lever post 44 sets up the perforation 412 that supplies gag lever post 44 to wear to establish on mount 41, carry out spacingly to welding seam detection mechanism 2 through gag lever post 44, make welding seam detection mechanism 2 advance and can move on vertical direction, and fixedly connected with stopper on the gag lever post 44, avoid breaking away from between gag lever post 44 and the mount 41.
Referring to fig. 1-3, the welding seam detection mechanism 2 includes a detection ring 21 movably sleeved outside the pipeline and a plurality of detection heads 22 for detection, the plurality of detection heads 22 are equidistantly and dispersedly disposed on the detection ring 21, the detection ring 21 includes two semicircular rings 211, a threaded connection groove 2111 is disposed on an inner wall of the semicircular ring 211, the detection heads 22 are in threaded connection with the threaded connection groove 2111, and the detection heads 22 are convenient to detach and replace, so that the detection of the pipeline by the detection heads 22 is more accurate, in this embodiment, the detection heads 22 are ultrasonic probes; a semicircle ring 211 rotates to be connected in the top of threaded rod 42, and fixed connection is on the top of gag lever post 44, the one end rotation each other of two semicircle rings 211 is connected, the other end of two semicircle rings 211 is provided with and is used for making two semicircle ring 211 other end interconnect's buckling piece 212, buckling piece 212 includes couple and link, couple and link fixed connection are in two semicircle ring 211 respectively and keep away from the one side of rotating the link, when couple and link on the semicircle ring 211 are connected, it is fixed to make to connect between two semicircle rings 211, the pipeline wears to locate between two semicircle rings 211 when detecting, detect the welding seam on the pipeline through ultrasonic probe.
Referring to fig. 1 and 2, in order to improve the stability of the rotation of the pipeline, at least two sets of driving mechanisms 3 are provided, two sets of driving mechanisms 3 are respectively provided on two sides of the fixing frame 41, each driving mechanism 3 includes a mounting frame 31, a second rotary driving member 32 and two sets of rotary drums 33, the mounting frame 31 is fixedly connected to the support base 1, the two sets of rotary drums 33 are rotatably connected to the mounting frame 31 along the pipeline laying direction, the second rotary driving member 32 is fixedly mounted on the mounting frame 31, one set of rotary drums 33 is coaxially and fixedly connected to the output end of the second rotary driving member 32, the second rotary driving member 32 is used for driving the rotary drums 33 to rotate, in this embodiment, the second rotary driving member 32 is a rotary motor, the rotary motor can drive one set of rotary drums 33 to rotate, the pipeline is driven to rotate by the friction force between the rotary drums 33 and the pipeline, and the other set of rotary drums 33 rotates along with the rotation of the pipeline, the pipeline is supported, and rubber rings are sleeved on the two groups of rotary drums 33.
Referring to fig. 1 and 2, in order to move the position of the welding seam of the pipeline, at least two sets of conveying mechanisms 5 are provided, two sets of conveying mechanisms 5 are respectively provided on two sides of the fixed frame 41, each conveying mechanism 5 includes a lifting member 51, a connecting frame 52, a rotating roller 53 and a third rotating driving member 54, the lifting member 51 is fixedly connected to the supporting base 1, the lifting member 51 is used for driving the connecting frame 52 to move in the vertical direction, in this embodiment, the lifting member 51 is an air cylinder, the connecting frame 52 is fixedly connected to a piston rod of the air cylinder, the rotating roller 53 is rotatably connected to the connecting frame 52, the rotating roller 53 is perpendicular to the arrangement direction of the pipeline, the middle part of the rotating roller 53 is concave, the third rotating driving member 54 is fixedly connected to the connecting frame 52, the rotating roller 53 is coaxially and fixedly connected to the output end of the third rotating driving member 54, in this embodiment, the third rotating driving member 54 is also a rotating motor, promote link 52 and live-rollers 53 through starting the cylinder and rise, live-rollers 53 with pipeline jack-up, make pipeline and rotary drum 33 break away from, start to rotate motor drive live-rollers 53 and rotate to can order about the pipeline and remove, break away from with rotary drum 33 when the pipeline removes, can avoid the pipeline to receive the friction at the in-process that removes and cause the damage, and the cover is equipped with the rubber circle on live-rollers 53, further protects the pipeline.
The embodiment of the application also discloses a detection method of the steel pipe welding seam ultrasonic nondestructive detection device, which comprises the following steps:
the method comprises the following steps: the semicircular rings 211 are rotated to be opened, the pipeline is installed to be overlapped on the driving mechanism 3, and then the semicircular rings 211 are rotated to be closed, so that the two semicircular rings 211 are sleeved outside the pipeline;
step two: starting the conveying mechanism 5 to move the pipeline along the length direction, so that the welding seam part of the pipeline moves between the two semicircular rings 211;
step three: the driving mechanism 3 is started to rotate the pipeline, meanwhile, the welding seam part of the pipeline rotates between the two semicircular rings 211, and the detection head 22 on the semicircular rings 211 detects the welding seam of the pipeline.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a steel pipe welding seam ultrasonic wave nondestructive test device which characterized in that: comprises a supporting base (1), a welding seam detection mechanism (2) and a driving mechanism (3), wherein the welding seam detection mechanism (2) and the driving mechanism (3) are both arranged on the supporting base (1), the driving mechanism (3) drives a horizontally arranged pipeline to rotate by taking the central line as the axis so as to enable the welding seam detection mechanism (2) to detect the welding seam on the peripheral wall of the pipeline,
the welding seam detection mechanism (2) comprises a detection ring (21) movably sleeved outside the pipeline and a plurality of detection heads (22) used for detection, and the detection heads (22) are dispersedly arranged on the detection ring (21).
2. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 1, characterized in that: the detection ring (21) comprises two semicircular rings (211), one ends of the two semicircular rings (211) are mutually rotatably connected, and the other ends of the two semicircular rings (211) are provided with buckling pieces (212) used for enabling the other ends of the two semicircular rings (211) to be mutually connected.
3. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 2, characterized in that: the lifting mechanism (4) is used for driving the two semicircular rings (211) to move in the vertical direction, and the lifting mechanism (4) is arranged between the two semicircular rings (211) and the supporting base (1).
4. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 3, characterized in that: the lifting mechanism (4) comprises a fixed frame (41), a threaded rod (42), a first rotating driving piece (43) and a limiting rod (44), the fixing frame (41) is arranged on the supporting base (1), a threaded hole (411) matched with the threaded rod (42) in a threaded manner is formed in the fixing frame (41), the threaded rod (42) is vertically arranged, the top end of the threaded rod is rotationally connected with the outer wall of one semicircular ring (211), the threaded rod (42) is coaxially arranged at the output end of the first rotary driving piece (43), the first rotary driving piece (43) drives the threaded rod (42) to rotate so as to enable the two semicircular rings (211) to ascend or descend, the limiting rod (44) is vertically arranged, the top end of the limiting rod (44) is fixedly connected with the semicircular ring (211), the fixing frame (41) is provided with a through hole (412) for the limiting rod (44) to penetrate through.
5. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 4, characterized in that: first rotation driving piece (43) include first motor (431) and connecting rod (432), connecting rod (432) coaxial line sets up in the output of first motor (431), slot (421) of pegging graft with connecting rod (432) activity are seted up to the bottom of threaded rod (42).
6. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 5, characterized in that: the driving mechanisms (3) are at least two groups, and the two groups of driving mechanisms (3) are respectively arranged on two sides of the fixing frame (41).
7. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 6, characterized in that: actuating mechanism (3) include mounting bracket (31), second rotation driving piece (32) and two sets of rotary drum (33), and are two sets of rotary drum (33) are laid the direction along the pipeline and are rotated and connect on mounting bracket (31), second rotation driving piece (32) set up on mounting bracket (31), and is a set of the coaxial fixed connection of rotary drum (33) rotates the output of driving piece (32) in the second, second rotation driving piece (32) are used for driving rotary drum (33) to rotate.
8. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 7, characterized in that: the supporting base (1) is further provided with conveying mechanisms (5) used for conveying pipelines to move along the axis direction of the conveying pipelines, at least two groups of conveying mechanisms (5) are arranged, and the two groups of conveying mechanisms (5) are respectively arranged on two sides of the fixing frame (41).
9. The ultrasonic nondestructive testing device for the weld joint of the steel pipe according to claim 8, characterized in that: conveying mechanism (5) are including lift piece (51), link (52), live-rollers (53) and third rotation driving piece (54), lift piece (51) fixed connection is on supporting base (1), lift piece (51) are used for driving link (52) and move in vertical direction, live-rollers (53) rotate and connect on link (52), the direction that sets up of live-rollers (53) perpendicular to pipeline, third rotation driving piece (54) fixed connection is on link (52), live-rollers (53) coaxial fixed connection is in the output of third rotation driving piece (54).
10. The detection method of the steel pipe welding seam ultrasonic nondestructive detection device is characterized in that: the method comprises the following steps:
the method comprises the following steps: the semicircular rings (211) are rotated to be opened, the pipeline is installed to be overlapped on the driving mechanism (3), and then the semicircular rings (211) are rotated to be closed, so that the two semicircular rings (211) are sleeved outside the pipeline;
step two: starting the conveying mechanism (5) to move the pipeline along the length direction and move the welding seam part of the pipeline between the two semicircular rings (211);
step three: and starting the driving mechanism (3) to rotate the pipeline, rotating the welding seam part of the pipeline between the two semicircular rings (211), and detecting the welding seam of the pipeline by the detection head (22) on the semicircular rings (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN116026925A (en) * | 2023-02-28 | 2023-04-28 | 徐州工程学院 | Pipeline welding line inspection device and method |
| CN117606403A (en) * | 2024-01-23 | 2024-02-27 | 威海拓力莱纤维有限公司 | Detection device for wall thickness deviation of carbon fiber composite material pipeline |
| CN117783283A (en) * | 2024-02-23 | 2024-03-29 | 西安恒宇钢管制造有限公司 | Ultrasonic nondestructive testing equipment for weld joint of spiral welded pipe |
| CN118032933A (en) * | 2024-04-11 | 2024-05-14 | 泉州市路桥工程建设有限公司 | Ultrasonic nondestructive testing device for welding seam of steel structure |
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| CN118032933A (en) * | 2024-04-11 | 2024-05-14 | 泉州市路桥工程建设有限公司 | Ultrasonic nondestructive testing device for welding seam of steel structure |
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