CN113552215B - Phased array flaw detector detection method for T-shaped weld joint detection - Google Patents

Phased array flaw detector detection method for T-shaped weld joint detection Download PDF

Info

Publication number
CN113552215B
CN113552215B CN202110961237.6A CN202110961237A CN113552215B CN 113552215 B CN113552215 B CN 113552215B CN 202110961237 A CN202110961237 A CN 202110961237A CN 113552215 B CN113552215 B CN 113552215B
Authority
CN
China
Prior art keywords
rod
mounting
phased array
shaped
flaw detector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110961237.6A
Other languages
Chinese (zh)
Other versions
CN113552215A (en
Inventor
王峰
江星印
谷民民
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Walker Ndt Co ltd
Original Assignee
Shandong Walker Ndt Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Walker Ndt Co ltd filed Critical Shandong Walker Ndt Co ltd
Priority to CN202110961237.6A priority Critical patent/CN113552215B/en
Publication of CN113552215A publication Critical patent/CN113552215A/en
Application granted granted Critical
Publication of CN113552215B publication Critical patent/CN113552215B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/04Analysing solids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/02Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating 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
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/28Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/26Scanned objects
    • G01N2291/267Welds
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Abstract

The application relates to the technical field of nondestructive testing, and discloses a phased array flaw detector detection method for T-shaped weld joint detection, which mainly comprises the following steps: step S1: and (2) mounting: mounting a probe of the phased array flaw detector on a T-shaped welding seam detection auxiliary device; step S2: and (3) connection: connecting a probe of the phased array flaw detector with a transverse plate of the T-shaped workpiece, and then connecting a T-shaped welding seam detection auxiliary device with a vertical plate of the T-shaped workpiece; step S3: and (3) detection: and moving the T-shaped welding seam detection auxiliary device along the length direction of the welding seam, and detecting the welding seam by a probe of the phased array flaw detector in the moving process of the T-shaped welding seam detection auxiliary device.

Description

Phased array flaw detector detection method for T-shaped weld joint detection
Technical Field
The application relates to the field of nondestructive testing, in particular to a phased array flaw detector detection method for T-shaped weld joint detection.
Background
The T-shaped welding seam is a welding seam formed when two mutually perpendicular plates are welded together at the joint of the two plates.
The ultrasonic phased array technology has a development history of more than 20 years, is mainly applied to the medical field initially, and has limited application in industrial nondestructive testing due to complexity of a system, complexity of wave propagation in solids, high cost and the like; however, with the rapid development of electronic technology and computer technology, ultrasonic phased array technology is increasingly applied to industrial nondestructive inspection.
The phased array flaw detector can independently control the excitation time of each wafer in the phased array probe through software, so that the angle, the focusing position and the focal point size of the generated beam are controlled. The reflected, transmitted and scattered waves are researched through the interaction of ultrasonic waves and a test piece, and macroscopic defect detection, geometric characteristic measurement, detection and characterization of tissue structure and mechanical property change are carried out on the test piece.
At present, when a worker detects a T-shaped welding line, most of workers can use a phased array flaw detector to detect the T-shaped welding line, in the detection process, the worker is propped against a wedge block connected with a probe on one plate and moves the wedge block to enable the wedge block to move along the length direction of the welding line, and the distance between the wedge block and the welding line in the movement process of the wedge block is required to be kept constant as much as possible.
With respect to the above related art, the inventor considers that the distance between the wedge and the weld is inevitably changed in the process of moving the wedge by a worker holding the wedge, and the defect that the detection effect of the phased array flaw detector is affected exists.
Disclosure of Invention
In order to relieve the influence of the distance change between the wedge block and the welding seam on the detection effect of the phased array flaw detector, the application provides a phased array flaw detector detection method for T-shaped welding seam detection.
The application provides a phased array flaw detector detection method for T-shaped weld joint detection, which adopts the following technical scheme:
a phased array flaw detector detection method for T-shaped weld joint detection mainly comprises the following steps: step S1: and (2) mounting: mounting a probe of the phased array flaw detector on a T-shaped welding seam detection auxiliary device; step S2: and (3) connection: connecting a probe of the phased array flaw detector with a transverse plate of the T-shaped workpiece, and then connecting a T-shaped welding seam detection auxiliary device with a vertical plate of the T-shaped workpiece; step S3: and (3) detection: and moving the T-shaped welding seam detection auxiliary device along the length direction of the welding seam, and detecting the welding seam by a probe of the phased array flaw detector in the moving process of the T-shaped welding seam detection auxiliary device.
Through adopting above-mentioned technical scheme, with the voussoir on phased array flaw detector's the probe and the T type welding seam detection auxiliary device, when detecting T type welding seam, with voussoir and T type work piece's diaphragm butt back again with T type welding seam detection auxiliary device and T type work piece's riser connection, utilize T type welding seam detection auxiliary device to control the distance between voussoir and the welding seam, reduce the possibility that the distance between voussoir and the welding seam changes, improve phased array flaw detector's detection effect.
Optionally, the auxiliary device for detecting a T-shaped weld seam in step S1 includes a frame, a connecting mechanism and a mounting mechanism, wherein the connecting mechanism is connected with the frame, the frame includes a handle and two mounting rods, the two mounting rods are respectively connected at two ends of the handle, the two mounting rods are arranged in parallel, the handle is connected at one side of the mounting rod far away from the ground, and the handle is connected at the middle position of the mounting rod in the length direction;
the mounting mechanism comprises a connecting piece and a wedge block, wherein the connecting piece is connected to one side of one mounting rod, which is close to the other mounting rod, and the wedge block is rotationally connected to one end of the connecting piece, which is far away from the mounting rods;
the connecting mechanism comprises two groups of connecting components, wherein one group of connecting components is connected to one side, away from the installing mechanism, of one installing rod, the other group of connecting components is connected to one side, away from the installing mechanism, of the other installing rod, the connecting components comprise a first rod, a second rod, a first threaded rod, a pulley and two magnetic blocks, the first rod is fixedly connected with the installing rod, the second rod penetrates through one end of the first rod in the length direction, the second rod is slidably connected with the first rod, the first threaded rod penetrates through one end, away from the second rod, of the first rod, the first threaded rod is in threaded connection with the first rod, the first threaded rod is in rotary connection with the second rod, the two magnetic blocks are fixedly connected to one end, away from the first rod, of the pulley is in rotary connection between the two magnetic blocks, the rotary axis of the pulley is perpendicular to the second rod, and one end, away from the second rod, of the pulley is flush with one end, away from the second rod, of the magnetic block.
By adopting the technical scheme, after the wedge blocks are abutted with the transverse plates of the T-shaped workpieces, the wedge blocks are adjusted to the proper positions with the proper distance from the welding lines, the two first threaded rods are rotated to enable the magnetic blocks to be abutted with the vertical plates of the T-shaped workpieces, the magnetic blocks are connected with the vertical plates of the T-shaped workpieces under the action of magnetic force, the wedge blocks are positioned by utilizing the two groups of connecting components, and the possibility of changing the distance between the wedge blocks and the welding lines is reduced; through with second pole and first pole sliding connection, make the distance between magnetic force piece and the frame adjustable, improve T type welding seam and detect auxiliary device's suitability.
Optionally, the frame is connected with moving mechanism, moving mechanism includes four sets of rolling subassembly, wherein two sets of rolling subassembly is connected with one of them installation pole, and two other sets of rolling subassembly are connected with another installation pole, rolling subassembly all connects in the installation pole one side that keeps away from the handle.
Through adopting above-mentioned technical scheme, all connect two sets of rolling assemblies in the side that two installation poles kept away from the handle, reduce the frictional force between frame and the work piece when removing the voussoir, improve T type welding seam and detect auxiliary device's convenience of using.
Optionally, the rolling assembly includes installed part and gyro wheel, the gyro wheel rotates with the installed part to be connected, the axis of rotation of gyro wheel is parallel with the length direction of installation pole, the one end fixedly connected with second threaded rod of gyro wheel is kept away from to the installed part, second threaded rod threaded connection has the nut, the second threaded rod passes the installation pole and is connected with the nut.
Through adopting above-mentioned technical scheme, the mounting can be dismantled with the installation pole and be connected, after T type welding seam detects auxiliary device and finishes using, can separate frame and rolling subassembly, improves T type welding seam and detects auxiliary device and accomodate the flexibility.
Optionally, the connecting piece is connected with the installation pole through adjustment mechanism, voussoir fixedly connected with is used for detecting the infrared distance sensor of distance between the riser of voussoir and T type work piece, adjustment mechanism includes regulation pole, motor, lead screw and screw, it is connected with the installation pole to adjust the pole, the spout has been seted up to one side that the installation pole was kept away from to the regulation pole, the lead screw is located the spout and the lead screw is rotated with the regulation pole and is connected, the one end of motor fixed connection installation pole, the coaxial fixed connection of main shaft and the lead screw of motor, screw and lead screw threaded connection, the inner wall butt of screw and spout, the screw is connected with the connecting piece, motor and infrared distance sensor electricity are connected.
Through adopting above-mentioned technical scheme, when infrared distance sensor detects that the distance between voussoir and the riser of T type work piece changes, infrared distance sensor sends the signal and makes electric spindle rotate, and the spindle rotation of motor drives lead screw and its synchronous rotation, and the lead screw rotates and makes the screw follow the direction that is close to or keep away from T type work piece riser remove, utilizes adjustment mechanism to further control the distance between voussoir and the welding seam to further reduce the possibility that the distance between voussoir and the welding seam changes.
Optionally, the screw passes through adjusting part and is connected with the connecting piece, adjusting part includes head rod, second connecting rod and damping piece, head rod one end is connected with the screw, the length direction of head rod is perpendicular with adjusting the pole, the damping piece is connected and is kept away from the one end of screw at the head rod, second connecting rod and damping piece sliding connection, the second connecting rod slides along the length direction of head rod, the connecting piece is connected and is kept away from the one end of head rod at the second connecting rod.
By adopting the technical scheme, the second connecting rod is in sliding connection with the damping block, and when the wedge block is abutted against the transverse plate of the T-shaped workpiece, the wedge block is abutted against the T-shaped workpiece at first, so that the wedge block is fully contacted with the T-shaped workpiece; when the workpiece is detected, the distance between the wedge block and the adjusting rod can be changed according to the condition of the surface of the workpiece, so that the convenience in use of the T-shaped welding seam detection auxiliary device is improved.
Optionally, a spring is connected between one end of the first connecting rod far away from the nut and one end of the second connecting rod close to the first connecting rod, two springs are arranged, and the two springs are respectively positioned on two sides of the first connecting rod.
Through adopting above-mentioned technical scheme, utilize the spring to restrict the slip of second connecting rod, improve the inseparable type that is connected between voussoir and the measured work piece to improve T type welding seam and detect auxiliary device job stabilization nature.
Optionally, the auxiliary device is detected to T type welding seam still includes couplant feed mechanism, couplant feed mechanism includes water tank, water pump and two sets of spraying subassembly, and one of them a set of spraying subassembly is connected in one of them first pole one side of keeping away from the installation pole, another set of spraying subassembly is connected in one side of another first pole of keeping away from the installation pole, the water inlet and the water tank intercommunication of water pump, two sets of spraying subassembly all communicate with the delivery port of water pump through communicating pipe, spraying subassembly includes brush and shower, brush and first pole fixed connection, shower fixed connection is in one side that the brush kept away from ground, a plurality of spray openings are seted up to one side that the shower is close to the brush, shower and communicating pipe intercommunication.
Through adopting above-mentioned technical scheme, pack into the water tank with the couplant that detects usefulness, utilize the water pump to pump the couplant in the water tank to the brush on, in the testing process, along with the removal of frame, the brush brushes the couplant on the travel path of voussoir, improves staff's convenience of operation.
Optionally, two communicating pipes are all communicated with a switch valve, two switch valves are all fixedly connected with the handle, a pressure detection sensor is arranged in the communicating pipes, the pressure detection sensor is positioned between the switch valve and the water pump, and the pressure detection sensor is electrically connected with the water pump.
By adopting the technical scheme, the switching valve controls the flow of the couplant, the switching valve is fixedly connected to the handle, and a worker can operate the switching valve while holding the handle, so that the convenience of the operation of the detection personnel is improved; through setting up pressure detection sensor in communicating pipe, after the ooff valve closes, the pressure increases in communicating pipe, and pressure detection sensor transmission signal control water pump closes, reduces the possibility of water pump damage.
In summary, the present application includes at least one of the following beneficial technical effects:
the probe of the phased array flaw detector is connected with the wedge block on the T-shaped welding line detection auxiliary device, when the T-shaped welding line is detected, the wedge block is abutted against the transverse plate of the T-shaped workpiece, then the T-shaped welding line detection auxiliary device is connected with the vertical plate of the T-shaped workpiece, the T-shaped welding line detection auxiliary device is used for controlling the distance between the wedge block and the welding line, the possibility of changing the distance between the wedge block and the welding line is reduced, and therefore the detection effect of the phased array flaw detector is improved;
the infrared distance sensor is electrically connected with the motor, when the infrared distance sensor detects that the distance between the wedge block and the vertical plate of the T-shaped workpiece changes, the infrared distance sensor sends a signal to enable the electric spindle to rotate, the spindle of the motor rotates to drive the screw rod to synchronously rotate with the screw rod, the screw rod rotates to enable the screw nut to move along the direction of approaching or separating from the vertical plate of the T-shaped workpiece, and the distance between the wedge block and the welding seam is further controlled by the adjusting mechanism, so that the possibility of changing the distance between the wedge block and the welding seam is further reduced;
through connecting couplant feed mechanism in the frame, utilize the water pump to pump the couplant in the water tank to the brush on, along with T type welding seam detects auxiliary device's removal, the brush brushes the couplant on the travel path of voussoir, improves staff's convenience of operation.
Drawings
FIG. 1 is a workflow diagram of an embodiment of the present application;
FIG. 2 is a schematic overall structure of an embodiment of the present application;
FIG. 3 is a schematic view of the structure of a frame portion and a connection mechanism portion in an embodiment of the present application;
FIG. 4 is a schematic view of a portion of a rolling assembly in accordance with an embodiment of the application;
fig. 5 is a schematic structural view of a mounting mechanism portion and an adjusting mechanism portion in the embodiment of the present application.
Reference numerals: 100. a frame; 110. a grip; 120. a mounting rod; 200. a connecting mechanism; 210. a connection assembly; 211. a first lever; 212. a second lever; 213. a first threaded rod; 214. a magnetic block; 215. a pulley; 300. a mounting mechanism; 310. a connecting piece; 320. wedge blocks; 400. a moving mechanism; 410. a rolling assembly; 411. a mounting member; 412. a roller; 413. a second threaded rod; 414. a nut; 500. an adjusting mechanism; 510. an adjusting rod; 520. a motor; 530. a screw rod; 540. a nut; 550. an adjustment assembly; 551. a first connecting rod; 552. a damping block; 553. a second connecting rod; 554. a spring; 600. an infrared distance sensor; 700. a couplant supply mechanism; 710. a water tank; 720. a water pump; 730. a communicating pipe; 740. a spray assembly; 741. a brush; 742. a shower pipe; 750. a switch valve; 800. t-shaped workpiece.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The embodiment of the application discloses a phased array flaw detector detection method for T-shaped weld joint detection.
Referring to fig. 1 and 2, a phased array flaw detector detection method for T-shaped weld detection mainly includes the following steps: step S1: and (2) mounting: the probe of the phased array flaw detector is arranged on the wedge block 320 of the T-shaped welding seam detection auxiliary device, and the probe is moved by moving the T-shaped welding seam detection auxiliary device when flaw detection is carried out on the T-shaped welding seam;
step S2: and (3) connection: placing the T-shaped welding seam detection auxiliary device with the probe on a transverse plate of the T-shaped workpiece 800, adjusting the wedge block 320 to a proper position with a proper distance from the welding seam, and enabling the wedge block 320 to be in abutting contact with the transverse plate of the T-shaped workpiece 800; after the distance between the wedge block 320 and the weld joint is adjusted, the T-shaped weld joint detection auxiliary device is connected with the vertical plate of the T-shaped workpiece 800, and the distance between the wedge block 320 and the weld joint is controlled by using the T-shaped weld joint detection auxiliary device, so that the possibility of changing the distance between the wedge block 320 and the weld joint is reduced.
Step S3: and (3) detection: the worker manually controls the T-shaped welding seam detection auxiliary device to move along the length direction of the T-shaped welding seam, and in the moving process of the T-shaped welding seam detection auxiliary device, the probe of the phased array flaw detector arranged on the wedge block 320 detects the welding seam.
Referring to fig. 2 and 3, the auxiliary device for T-shaped weld seam detection in step S1 includes a frame 100, the frame 100 includes a handle 110, two ends of the handle 110 in the length direction are fixedly connected with mounting rods 120, two mounting rods 120 are disposed in parallel, the two mounting rods 120 are disposed below the handle 110, and the handle 110 is connected to a middle position of the mounting rods 120 in the length direction. One side of one mounting rod 120, which is close to the other mounting rod 120, is connected with an adjusting mechanism 500, and the adjusting mechanism 500 is connected with a mounting mechanism 300 for mounting a probe. A moving mechanism 400 is connected below the frame 100, and friction between the frame 100 and the T-shaped workpiece 800 is reduced by the moving mechanism 400. The two mounting bars 120 are connected with a connecting mechanism 200 at the sides facing away from each other, and the frame 100 is connected with a riser of the T-shaped workpiece 800 through the connecting mechanism 200. The coupling mechanism 200 is connected to a couplant supply mechanism 700, and the couplant supply mechanism 700 is used to brush the couplant on the transverse plate of the T-shaped workpiece 800.
Referring to fig. 3 and 4, the moving mechanism 400 includes four sets of rolling assemblies 410, wherein two sets of rolling assemblies 410 are connected under one of the mounting bars 120, the other two sets of rolling assemblies 410 are connected under the other mounting bar 120, and the two sets of rolling assemblies 410 connected to the same mounting bar 120 are respectively located near both ends of the mounting bar 120 in the longitudinal direction. The rolling assembly 410 comprises a mounting piece 411, a second threaded rod 413 is fixedly connected to the upper end of the mounting piece 411, a nut 414 is connected to the second threaded rod 413 in a threaded manner through the mounting rod 120, a roller 412 is connected to the lower end of the mounting piece 411 in a rotating manner, and the rotating axis of the roller 412 is parallel to the length direction of the mounting rod 120. By detachably connecting the four sets of rolling assemblies 410 below the frame 100, when the T-shaped welding seam detection auxiliary device is moved, the rollers 412 are connected with the transverse plates of the T-shaped workpiece 800, so that friction between the T-shaped welding seam detection auxiliary device and the T-shaped workpiece 800 is reduced, and convenience in operation of staff is improved. After the use of the T-shaped welding seam detection auxiliary device is finished, the frame 100 can be separated from the rolling assembly 410, so that the flexibility of accommodating the T-shaped welding seam detection auxiliary device is improved.
Referring to fig. 3 and 4, the connection mechanism 200 includes two sets of connection assemblies 210, and the two sets of connection assemblies 210 are respectively connected to sides of the two mounting bars 120 facing away from each other. The connection assembly 210 includes a first lever 211 fixedly coupled to the mounting lever 120, the first lever 211 being disposed in parallel with the mounting lever 120. The second rod 212 is penetrated at one end of the first rod 211 in the length direction, the first rod 211 and the second rod 212 are square rods, the second rod 212 is in sliding connection with the first rod 211, and the second rod 212 slides along the length direction of the first rod 211. The first rod 211 is threaded at an end far away from the second rod 212, and is provided with a first threaded rod 213, and the first threaded rod 213 is rotatably connected with the second rod 212. The end of the second rod 212 far away from the first rod 211 is fixedly connected with two magnetic blocks 214, a pulley 215 is rotatably connected between the two magnetic blocks 214, the rotation axis of the pulley 215 is perpendicular to the second rod 212 and is positioned in the same horizontal plane, and the end of the pulley 215 far away from the second rod 212 is flush with the end of the magnetic block 214 far away from the second rod 212.
Referring to fig. 3, after the wedge 320 is adjusted to a proper position from the weld, the first threaded rod 213 is rotated to make the magnetic block 214 contact with the riser of the T-shaped workpiece 800, the magnetic block 214 is connected with the riser of the T-shaped workpiece 800 under the action of magnetic force, and the two groups of connecting assemblies 210 are used to position the wedge 320, so as to reduce the possibility of changing the distance between the wedge 320 and the weld. By slidably connecting the second rod 212 with the first rod 211, the length of the connection assembly 210 can be adjusted, and the applicability of the T-shaped welding seam detection auxiliary device can be improved. By rotating the connecting pulley 215 between the two magnetic blocks 214, the friction between the connecting assembly 210 and the transverse plate of the T-shaped workpiece 800 is reduced, and the convenience of the operation of the staff is improved.
Referring to fig. 3 and 5, the adjusting mechanism 500 includes an adjusting lever 510, and the adjusting lever 510 is fixedly connected to the mounting lever 120 and located in the same horizontal plane. A sliding groove is formed in one side, far away from the mounting rod 120, of the adjusting rod 510, a lead screw 530 is arranged in the sliding groove, the lead screw 530 is rotationally connected with the adjusting rod 510, and the length direction of the lead screw 530 is parallel to the length direction of the adjusting rod 510. Screw 530 is threaded with nut 540, and nut 540 sliding connection is in the spout, and the inside butt of nut 540 lateral wall and spout. One end of the adjusting rod 510, which is far away from the second rod 212, is fixedly connected with a motor 520, and a main shaft of the motor 520 is coaxially and fixedly connected with a lead screw 530. An adjusting component 550 is connected to one side of the nut 540 away from the chute, and the adjusting component 550 is connected to the mounting mechanism 300.
The mounting mechanism 300 includes a connector 310, the connector 310 being coupled to an adjustment assembly 550, the connector 310 being rotatably coupled to a wedge 320 for mounting the probe. An infrared distance sensor 600 is fixedly connected to the wedge 320, and the infrared distance sensor 600 is used for detecting the distance between the wedge 320 and the vertical plate of the T-shaped workpiece 800. Infrared distance sensor 600 is electrically coupled to motor 520.
When the infrared distance sensor 600 detects that the distance between the wedge 320 and the riser of the T-shaped workpiece 800 changes, the infrared distance sensor 600 sends a signal to rotate the motorized spindle, the spindle rotation of the motor 520 drives the screw 530 to rotate synchronously with the motorized spindle, and the screw 530 rotates to move the nut 540 in a direction approaching or separating from the riser of the T-shaped workpiece 800. The distance between wedge 320 and the weld is further controlled by adjustment mechanism 500, thereby further reducing the likelihood of a change in the distance between wedge 320 and the weld.
Referring to fig. 5, the adjusting assembly 550 includes a first connecting rod 551 fixedly connected with the nut 540, a damping block 552 is fixedly connected with one end of the first connecting rod 551 away from the nut 540, the damping block 552 is slidably connected with a second connecting rod 553, and the second connecting rod 553 slides along the length direction of the first connecting rod 551. Two springs 554 are fixedly connected between one end of the second connecting rod 553, which is far away from the nut 540, and one end of the first connecting rod 551, which is close to the nut 540, and the two springs 554 are respectively positioned at two sides of the first connecting rod 551. The connecting piece 310 is fixedly connected to one end of the second connecting rod 553 away from the first connecting rod 551. When the wedge 320 is brought into contact with the cross plate of the T-shaped workpiece 800, the wedge 320 is first brought into contact with the T-shaped workpiece 800, and the wedge 320 is brought into sufficient contact with the T-shaped workpiece 800; when the workpiece is detected, the distance between the wedge block 320 and the adjusting rod 510 can be changed according to the condition of the surface of the workpiece, so that the convenience of using the T-shaped welding seam detection auxiliary device is improved.
Referring to fig. 1, the couplant supply mechanism 700 includes a water tank 710 for containing the couplant, a water pump 720 is fixedly connected to a side wall of the water tank 710, and a water inlet of the water pump 720 is communicated with the water tank 710. The two first rods 211 are fixedly connected with spraying assemblies 740 on one sides far away from the mounting rod 120, and the two groups of spraying assemblies 740 are communicated with the water pump 720 through communicating pipes 730.
Referring to fig. 1 and 4, the spraying assembly 740 includes a brush 741 fixedly connected to the first lever 211, a spray pipe 742 fixedly connected to an upper end of the brush 741, the spray pipe 742 being communicated with the communication pipe 730, and a plurality of spray ports being formed in a side of the spray pipe 742, which is adjacent to the brush 741, along a length direction thereof. The couplant in the water tank 710 is pumped into the spray pipe 742 by the water pump 720, the couplant in the spray pipe 742 flows onto the brush 741 through the plurality of spray openings, and the brush 741 brushes the couplant onto the moving path of the wedge block 320 in the moving process of the frame 100, so that the convenience of the operation of staff is improved.
The two communicating pipes 730 are respectively communicated with a switch valve 750, and the two switch valves 750 are respectively fixedly connected above the handle 110. Pressure detection sensors are arranged in the communicating pipes 730, and are positioned between the switch valve 750 and the water pump 720, and are electrically connected with the water pump 720. By fixedly connecting the switch valve 750 for controlling the flow of the couplant to the grip 110, a worker can operate the switch valve 750 while holding the grip 110, thereby further improving the convenience of the operation of the inspector; when the on-off valve 750 is closed, the pressure in the communication pipe 730 increases, and the pressure detection sensor transmits a signal to control the water pump 720 to be turned off, so that the possibility of damage to the water pump 720 is reduced.
The implementation principle of the phased array flaw detector detection method for T-shaped weld joint detection provided by the embodiment of the application is as follows: the probe of the phased array flaw detector is arranged on the wedge block 320 of the T-shaped welding seam detection auxiliary device, when the T-shaped welding seam is detected, the wedge block 320 is abutted against the transverse plate of the T-shaped workpiece 800, the wedge block 320 is adjusted to be at a proper position with the distance between the wedge block and the welding seam, the T-shaped welding seam detection auxiliary device is connected with the vertical plate of the T-shaped workpiece 800, the distance between the wedge block 320 and the welding seam is controlled by the T-shaped welding seam detection auxiliary device, the possibility that the distance between the wedge block 320 and the welding seam is changed is reduced, and the detection effect of the phased array flaw detector is improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (8)

1. A phased array flaw detector detection method for T-shaped weld joint detection is characterized in that: mainly comprises the following steps:
step S1: and (2) mounting: mounting a probe of the phased array flaw detector on a T-shaped welding seam detection auxiliary device;
step S2: and (3) connection: connecting a probe of the phased array flaw detector with a transverse plate of the T-shaped workpiece (800), and then connecting a T-shaped welding seam detection auxiliary device with a vertical plate of the T-shaped workpiece (800);
step S3: and (3) detection: moving the T-shaped welding seam detection auxiliary device along the length direction of the welding seam, and detecting the welding seam by a probe of the phased array flaw detector in the moving process of the T-shaped welding seam detection auxiliary device;
the T-shaped welding seam detection auxiliary device in the step S1 comprises a frame (100), a connecting mechanism (200) and a mounting mechanism (300), wherein the connecting mechanism (200) is connected with the frame (100), the frame (100) comprises a handle (110) and two mounting rods (120), the two mounting rods (120) are respectively connected to two ends of the handle (110), the two mounting rods (120) are arranged in parallel, the handle (110) is connected to one side, far away from the ground, of the mounting rod (120), and the handle (110) is connected to the middle position of the length direction of the mounting rod (120);
the mounting mechanism (300) comprises a connecting piece (310) and a wedge block (320), wherein the connecting piece (310) is connected to one side, close to the other mounting rod (120), of one mounting rod (120), and the wedge block (320) is rotatably connected to one end, far away from the mounting rod (120), of the connecting piece (310);
the connecting mechanism (200) comprises two groups of connecting components (210), wherein one group of connecting components (210) is connected to one side, far away from the mounting mechanism (300), of one mounting rod (120), the other group of connecting components (210) is connected to one side, far away from the mounting mechanism (300), of the other mounting rod (120), the connecting components (210) comprise a first rod (211), a second rod (212), a first threaded rod (213), a pulley (215) and two magnetic blocks (214), the first rod (211) is fixedly connected with the mounting rod (120), the second rod (212) is penetrated at one end in the length direction of the first rod (211), the second rod (212) is in sliding connection with the first rod (211), the first threaded rod (213) is penetrated at one end, far away from the second rod (212), the first threaded rod (213) is in threaded connection with the first rod (211), the first threaded rod (213) is in rotary connection with the second rod (212), the two magnetic blocks (214) are fixedly connected with one end, far away from the pulley (215), which is perpendicular to the first rod (212), the end of the pulley (215) away from the second rod (212) is flush with the end of the magnetic block (214) away from the second rod (212).
2. A phased array flaw detector inspection method for T-shaped weld inspection as claimed in claim 1 wherein: the frame (100) is connected with a moving mechanism (400), the moving mechanism (400) comprises four groups of rolling assemblies (410), wherein two groups of rolling assemblies (410) are connected with one mounting rod (120), the other two groups of rolling assemblies (410) are connected with the other mounting rod (120), and the rolling assemblies (410) are connected to one side, far away from the handle (110), of the mounting rod (120).
3. A phased array flaw detector inspection method for T-shaped weld inspection as claimed in claim 2, wherein: the rolling assembly (410) comprises a mounting piece (411) and a roller (412), the roller (412) is rotationally connected with the mounting piece (411), the rotation axis of the roller (412) is parallel to the length direction of the mounting rod (120), one end of the mounting piece (411), which is far away from the roller (412), is fixedly connected with a second threaded rod (413), the second threaded rod (413) is in threaded connection with a nut (414), and the second threaded rod (413) penetrates through the mounting rod (120) to be connected with the nut (414).
4. A phased array flaw detector inspection method for T-shaped weld inspection as claimed in claim 1 wherein: connecting piece (310) are connected with installation pole (120) through adjustment mechanism (500), voussoir (320) fixedly connected with is used for detecting infrared distance sensor (600) of distance between the riser of voussoir (320) and T type work piece (800), adjustment mechanism (500) are including adjusting pole (510), motor (520), lead screw (530) and screw (540), adjust pole (510) and installation pole (120) are connected, the spout has been seted up to one side of keeping away from installation pole (120) adjusting pole (510), lead screw (530) are located the spout and lead screw (530) are connected with adjusting pole (510) rotation, the one end of motor (520) fixed connection installation pole (120), the main shaft and the coaxial fixed connection of lead screw (530) of motor (520), screw (540) and lead screw (530) threaded connection, screw (540) and the inner wall butt of spout, screw (540) are connected with connecting piece (310), motor (520) and infrared distance sensor (600) electricity are connected.
5. The method for detecting a T-shaped weld joint by using a phased array flaw detector according to claim 4, wherein: the nut (540) is connected with the connecting piece (310) through the adjusting component (550), the adjusting component (550) comprises a first connecting rod (551), a second connecting rod (553) and a damping block (552), one end of the first connecting rod (551) is connected with the nut (540), the length direction of the first connecting rod (551) is perpendicular to the adjusting rod (510), the damping block (552) is connected with one end of the first connecting rod (551) away from the nut (540), the second connecting rod (553) is in sliding connection with the damping block (552), the second connecting rod (553) slides along the length direction of the first connecting rod (551), and the connecting piece (310) is connected with one end of the second connecting rod (553) away from the first connecting rod (551).
6. The method for detecting a T-shaped weld joint by using a phased array flaw detector according to claim 5, wherein: a spring (554) is connected between one end of the first connecting rod (551) far away from the nut (540) and one end of the second connecting rod (553) close to the first connecting rod (551), two springs (554) are arranged, and the two springs (554) are respectively located on two sides of the first connecting rod (551).
7. A phased array flaw detector inspection method for T-shaped weld inspection as claimed in claim 1 wherein: the T-shaped welding seam detection auxiliary device further comprises a couplant supply mechanism (700), the couplant supply mechanism (700) comprises a water tank (710), a water pump (720) and two groups of spraying components (740), wherein one group of spraying components (740) is connected to one side, away from the mounting rod (120), of one first rod (211), the other group of spraying components (740) is connected to one side, away from the mounting rod (120), of the other first rod (211), the water inlet of the water pump (720) is communicated with the water tank (710), two groups of spraying components (740) are communicated with the water outlet of the water pump (720) through communicating pipes (730), each spraying component (740) comprises a hairbrush (741) and a spraying pipe (742), the hairbrush (741) is fixedly connected with the first rod (211), one side, away from the ground, of the spraying pipe (742) is provided with a plurality of spraying ports, and the spraying pipes (742) are communicated with the communicating pipes (730).
8. A phased array flaw detector inspection method for T-shaped weld inspection as claimed in claim 7 wherein: two communicating pipes (730) are all communicated with a switch valve (750), two switch valves (750) are all fixedly connected with a handle (110), a pressure detection sensor is arranged in each communicating pipe (730), the pressure detection sensor is located between the switch valve (750) and a water pump (720), and the pressure detection sensor is electrically connected with the water pump (720).
CN202110961237.6A 2021-08-20 2021-08-20 Phased array flaw detector detection method for T-shaped weld joint detection Active CN113552215B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110961237.6A CN113552215B (en) 2021-08-20 2021-08-20 Phased array flaw detector detection method for T-shaped weld joint detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110961237.6A CN113552215B (en) 2021-08-20 2021-08-20 Phased array flaw detector detection method for T-shaped weld joint detection

Publications (2)

Publication Number Publication Date
CN113552215A CN113552215A (en) 2021-10-26
CN113552215B true CN113552215B (en) 2023-12-08

Family

ID=78106087

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110961237.6A Active CN113552215B (en) 2021-08-20 2021-08-20 Phased array flaw detector detection method for T-shaped weld joint detection

Country Status (1)

Country Link
CN (1) CN113552215B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105891334A (en) * 2015-10-09 2016-08-24 中国石油天然气第建设公司 Ultrasonic phased array pipeline ring weld detection mechanism capable of moving stably
US9816964B1 (en) * 2011-02-25 2017-11-14 Vermon S.A. Ultrasonic method and device for volumetric examination of aluminothermic rail welds
CN109765294A (en) * 2018-12-19 2019-05-17 中国京冶工程技术有限公司 U ribs of steel box girder welding line ultrasonic phased array automatic checkout system
CN112014477A (en) * 2020-09-02 2020-12-01 中国京冶工程技术有限公司 Ultrasonic phased array automatic detection system and method for welding quality of welded H-shaped steel
CN112255313A (en) * 2020-10-23 2021-01-22 无锡金诚工程技术服务有限公司 Bridge U rib angle welding seam phased array detects automatic scanning device of two probes
CN112433005A (en) * 2020-10-28 2021-03-02 上海船舶工程质量检测有限公司 Automatic scanning device and method for bending weld phased array ultrasonic detection
WO2021120479A1 (en) * 2019-12-20 2021-06-24 江苏科泰检测技术服务有限公司 Weld seam flaw detection auxiliary device
CN215449118U (en) * 2021-08-20 2022-01-07 山东沃克无损检测有限公司 Phased array detects with scanning frame

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9816964B1 (en) * 2011-02-25 2017-11-14 Vermon S.A. Ultrasonic method and device for volumetric examination of aluminothermic rail welds
CN105891334A (en) * 2015-10-09 2016-08-24 中国石油天然气第建设公司 Ultrasonic phased array pipeline ring weld detection mechanism capable of moving stably
CN109765294A (en) * 2018-12-19 2019-05-17 中国京冶工程技术有限公司 U ribs of steel box girder welding line ultrasonic phased array automatic checkout system
WO2021120479A1 (en) * 2019-12-20 2021-06-24 江苏科泰检测技术服务有限公司 Weld seam flaw detection auxiliary device
CN112014477A (en) * 2020-09-02 2020-12-01 中国京冶工程技术有限公司 Ultrasonic phased array automatic detection system and method for welding quality of welded H-shaped steel
CN112255313A (en) * 2020-10-23 2021-01-22 无锡金诚工程技术服务有限公司 Bridge U rib angle welding seam phased array detects automatic scanning device of two probes
CN112433005A (en) * 2020-10-28 2021-03-02 上海船舶工程质量检测有限公司 Automatic scanning device and method for bending weld phased array ultrasonic detection
CN215449118U (en) * 2021-08-20 2022-01-07 山东沃克无损检测有限公司 Phased array detects with scanning frame

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
波形钢腹板T型焊缝质量相控阵检测方法;王志刚;孙万红;方多发;周昌玉;李秋锋;;实验室研究与探索(第08期);全文 *

Also Published As

Publication number Publication date
CN113552215A (en) 2021-10-26

Similar Documents

Publication Publication Date Title
CN215449118U (en) Phased array detects with scanning frame
CN201218808Y (en) Position adjustment device used for supersonic inspection apparatus
JP5663382B2 (en) Rotating array probe system for nondestructive inspection
WO2017096770A1 (en) Driving device of all-directional automatic weld seam flaw detection instrument and application thereof
CN101368932A (en) Full-automatic detection apparatus suitable for multi-diameter pipe welding seam
CN104535651B (en) A kind of Portable Automatic failure detector and automatic flaw detection method
CN101846657B (en) Pipe end ultrasonic flaw detection device
CN102778506B (en) Automatic sweeping system for detecting tubing and panel workpiece with different diameters
CN102003951B (en) All-pipe water immersion type ultrasonic automatic detector for nodular cast iron pipes
CN203745430U (en) Automatic phased array scanning device
CN101339163A (en) Steel cylinder supersonic flaw detecting machine
CN105203633A (en) Water spray type automatic scanning device for ultrasonic TOFD nondestructive testing
CN102818842A (en) Ultrasonic automatic detection system of tubing with variable wall thickness and step
CN203849219U (en) Ultrasonic automatic scanning device
CN116698972B (en) Adjustable ultrasonic flaw detection device for nondestructive detection of metal workpiece
CN113552215B (en) Phased array flaw detector detection method for T-shaped weld joint detection
KR101480787B1 (en) Apparatus for detecting surface defect having angle control function
CN110031546B (en) Ultrasonic phased array flaw detection device and flaw detection method for bridge cable saddle friction plate weld joint
CN109975428B (en) Wire rod on-line full-volume phased array ultrasonic detection device
CN110426452B (en) Ultrasonic probe operating device with pressure sensor
KR101599541B1 (en) Apparatus for assisting nondestructive inspection
CN110825082A (en) Scanning frame and path planning method thereof
CN216386875U (en) Eddy current flaw detector for monitoring tube bundle corrosion
CN114878693A (en) Portable phased array ultrasonic scanning device and scanning method thereof
CN206330938U (en) A kind of ultrasonic flaw detecting device efficiently detected

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant