CN113552215A - Phased array flaw detector detection method for T-shaped welding seam detection - Google Patents
Phased array flaw detector detection method for T-shaped welding seam detection Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 102
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- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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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: installation: installing a probe of a phased array flaw detector on a T-shaped welding seam detection auxiliary device; step S2: connecting: connecting a probe of the phased array flaw detector with a transverse plate of the T-shaped workpiece, and connecting the 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, wherein the probe of the phased array flaw detector detects the welding seam in the moving process of the T-shaped welding seam detection auxiliary device.
Description
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 weld is a weld formed when the joint of two plates is welded together when two plates perpendicular to each other are welded.
The ultrasonic phased array technology has developed for over 20 years, is mainly applied to the medical field at first, and is limited in application in industrial nondestructive testing due to the complexity of a system, the complexity of wave propagation in solid, high cost and the like; however, with the rapid development of electronic technology and computer technology, the ultrasonic phased array technology is gradually applied to industrial nondestructive testing.
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 size of a generated beam are controlled. Through the interaction of the ultrasonic waves and the test piece, reflected, transmitted and scattered waves are researched, and the test piece is subjected to macroscopic defect detection, geometric characteristic measurement and detection and characterization of change of tissue structure and mechanical property.
At present, when a worker detects a T-shaped welding seam, a phased array flaw detector is mostly used for detecting the T-shaped welding seam, in the detection process, the worker abuts 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 seam, and the distance between the wedge block and the welding seam in the movement process needs to be kept constant as far as possible.
Aiming at the related technologies, the inventor thinks that in the process of moving the wedge block by holding the wedge block by a worker, the distance between the wedge block and a welding line is inevitably changed, and the defect of influencing the detection effect of the phased array flaw detector exists.
Disclosure of Invention
In order to relieve the influence of the distance change between a wedge block and a welding seam on the detection effect of the phased array flaw detector, the application provides a detection method of the phased array flaw detector for T-shaped welding seam detection.
The application provides a phased array flaw detector detection method for T type weld detects, adopts following technical scheme:
a detection method of a phased array flaw detector for T-shaped welding seam detection mainly comprises the following steps: step S1: installation: installing a probe of a phased array flaw detector on a T-shaped welding seam detection auxiliary device; step S2: connecting: connecting a probe of the phased array flaw detector with a transverse plate of the T-shaped workpiece, and connecting the 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, wherein the probe of the phased array flaw detector detects the welding seam in the moving process of the T-shaped welding seam detection auxiliary device.
By adopting the technical scheme, the probe of the phased array flaw detector is connected with the wedge block on the T-shaped welding seam detection auxiliary device, when the T-shaped welding seam is detected, the T-shaped welding seam detection auxiliary device is connected with the vertical plate of the T-shaped workpiece after the wedge block is abutted against the transverse plate of the T-shaped workpiece, the T-shaped welding seam detection auxiliary device is utilized to control the distance between the wedge block and the welding seam, the possibility of change of the distance between the wedge block and the welding seam is reduced, and the detection effect of the phased array flaw detector is improved.
Optionally, the T-shaped welding seam detection auxiliary device in step S1 includes a frame, a connection mechanism, and an installation mechanism, where the connection mechanism is connected to the frame, the frame includes a handle and two installation rods, the two installation rods are respectively connected to two ends of the handle, the two installation rods are arranged in parallel, the handle is connected to one side of the installation rod away from the ground, and the handle is connected to the middle position of the installation rod in the length direction;
the mounting mechanism comprises a connecting piece and a wedge block, the connecting piece is connected to one side, close to the other mounting rod, of one mounting rod, and the wedge block is rotatably connected to one end, far away from the mounting rods, of the connecting piece;
the connecting mechanism comprises two groups of connecting components, wherein one group of connecting components is connected to one side of one mounting rod far away from the mounting mechanism, the other group of connecting components is connected to one side of the other mounting rod far away from the mounting mechanism, each connecting component comprises a first rod, a second rod, a first threaded rod, a pulley and two magnetic blocks, the first rod is fixedly connected with the mounting rods, the second rod is arranged at one end of the first rod in the length direction in a penetrating manner, the second rod is slidably connected with the first rod, the first threaded rod is arranged at one end of the first rod far away from the second rod in a penetrating manner, the first threaded rod is in threaded connection with the first rod, the first threaded rod is in rotating connection with the second rod, the two magnetic blocks are fixedly connected at one end of the second rod far away from the first rod, the pulley is rotatably connected between the two magnetic blocks, and the rotating axis of the pulley is perpendicular to the second rod, one end of the pulley, which is far away from the second rod, is flush with one end of the magnetic block, which is far away from the second rod.
By adopting the technical scheme, after the wedge block is abutted against the transverse plate of the T-shaped workpiece, the wedge block is adjusted to a position with a proper distance from a welding line, the two first threaded rods are rotated to enable the magnetic block to be abutted against the vertical plate of the T-shaped workpiece, the magnetic block is connected with the vertical plate of the T-shaped workpiece under the action of magnetic force, the wedge block is positioned by utilizing the two groups of connecting assemblies, and the possibility of change of the distance between the wedge block and the welding line is reduced; through with second pole and first pole sliding connection, make the distance between magnetic block and the frame adjustable, improve T type weld and detect auxiliary device's suitability.
Optionally, the rack is connected with a moving mechanism, the moving mechanism includes four sets of rolling assemblies, two sets of rolling assemblies are connected with one of the mounting rods, the other two sets of rolling assemblies are connected with the other mounting rod, and the rolling assemblies are connected to one side of the mounting rod far away from the handle.
Through adopting above-mentioned technical scheme, all connect two sets of rolling subassemblies in two installation poles one sides of keeping away from the handle, frictional force between frame and the work piece when reducing the removal voussoir improves the convenience that T type weld detects auxiliary device and uses.
Optionally, the rolling component 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 installed part, 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 installed part can be dismantled with the installation pole and be connected, detects auxiliary device at T type welding seam and finishes using the back, can separate frame and rolling component, improves the flexibility that T type welding seam detection auxiliary device accomodates.
Optionally, the connecting piece passes through adjustment mechanism and is connected with the installation pole, 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 is including adjusting pole, motor, lead screw and screw, it is connected with the installation pole to adjust the pole, it has seted up the spout to adjust the pole one side of keeping away from the installation pole, the lead screw is located the spout and the lead screw rotates with adjusting the pole and is connected, the one end of motor fixed connection installation pole, the main shaft and the coaxial fixed connection of 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, the motor is connected with infrared distance sensor electricity.
Through adopting above-mentioned technical scheme, when infrared distance sensor detected that the distance changes between the riser of voussoir and T type work piece, infrared distance sensor send signal makes electronic main shaft rotate, and the main shaft of motor rotates and drives the lead screw rather than synchronous rotation, and the lead screw rotates and makes the screw remove along the direction of being close to or keeping away from T type work piece riser, utilizes adjustment mechanism further to control the distance between voussoir and the welding seam to further reduce the distance between voussoir and the welding seam and take place the possibility that 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 the regulation pole, the one end that the screw was kept away from at the head rod is connected to the damping piece, second connecting rod and damping piece sliding connection, the length direction of second connecting rod edge first connecting rod slides, the one end that the head rod was kept away from at the second connecting rod is connected to the connecting piece.
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 firstly abutted against the T-shaped workpiece, so that the wedge block is fully contacted with the T-shaped workpiece; when a 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, and the use convenience of the T-shaped welding seam detection auxiliary device is improved.
Optionally, a spring is connected between one end of the first connecting rod, which is far away from the nut, and one end of the second connecting rod, which is close to the first connecting rod, and the number of the springs is two, and the two springs are respectively located 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 voussoir and the inseparable type of being connected between the measured work piece to improve the stability of T type weld joint detection auxiliary device work.
Optionally, T type seam detects auxiliary device still includes couplant feed mechanism, couplant feed mechanism includes water tank, water pump and two sets of spraying assembly, one of them is a set of spraying assembly connects in one side that installation pole was kept away from to one of them first pole, another group spraying assembly connects in one side that installation pole was kept away from to another first pole, the water inlet and the water tank intercommunication of water pump are two sets of spraying assembly all communicates through the delivery port of communicating pipe with the water pump, spraying assembly includes brush and shower, brush and first pole fixed connection, shower fixed connection is in one side that ground was kept away from to the brush, a plurality of mouths that spray 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, in the water tank will detecting the couplant of usefulness, utilize the water pump with the couplant pump income in the water tank to the brush, in the testing process, along with the removal of frame, the brush brushes the couplant on the removal route of voussoir, improves the convenience of staff's operation.
Optionally, two communicating pipes are all communicated with switch valves, two switch valves are all fixedly connected with the handle, a pressure detection sensor is arranged in the communicating pipe and located between the switch valves and the water pump, and the pressure detection sensor is electrically connected with the water pump.
By adopting the technical scheme, the flow of the coupling agent is controlled by the switch valve, the switch valve is fixedly connected to the handle, and a worker can operate the switch valve while holding the handle, so that the operation convenience of a detector is improved; through set up pressure detection sensor in communicating pipe, after the ooff valve closed, pressure increase in communicating pipe, pressure detection sensor transmission signal control water pump is closed, reduces the possibility that the water pump damaged.
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 seam detection auxiliary device, when the T-shaped welding seam is detected, the wedge block is abutted against the transverse plate of the T-shaped workpiece, then the T-shaped welding seam detection auxiliary device is connected with the vertical plate of the T-shaped workpiece, the T-shaped welding seam detection auxiliary device is used for controlling the distance between the wedge block and the welding seam, the possibility that the distance between the wedge block and the welding seam is changed is reduced, and therefore the detection effect of the phased array flaw detector is improved;
the wedge block is connected with the infrared distance sensor, 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 lead screw to rotate synchronously with the lead screw, the lead screw rotates to enable the screw nut to move in the direction close to or far away from the vertical plate of the T-shaped workpiece, and the adjusting mechanism is used for further controlling the distance between the wedge block and the welding line, so that the possibility of changing the distance between the wedge block and the welding line is further reduced;
through connecting couplant feed mechanism in the frame, utilize the water pump to pump the couplant in the water tank into the brush on, along with T type weld joint detection auxiliary device's removal, the brush brushes the couplant on the removal route of voussoir, improves the convenience of staff's operation.
Drawings
FIG. 1 is a flow chart of the operation of an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 3 is a schematic structural view of a frame portion and a coupling mechanism portion of an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a rolling assembly portion in an embodiment of the present application;
FIG. 5 is a schematic view of the structure of the mounting mechanism portion and the adjustment mechanism portion in the embodiment of the present application.
Reference numerals: 100. a frame; 110. a grip; 120. mounting a rod; 200. a connecting mechanism; 210. a connecting assembly; 211. a first lever; 212. a second lever; 213. a first threaded rod; 214. a magnetic block; 215. a pulley; 300. an installation mechanism; 310. a connecting member; 320. a wedge block; 400. a moving mechanism; 410. a rolling component; 411. a mounting member; 412. a roller; 413. a second threaded rod; 414. a nut; 500. an adjustment mechanism; 510. adjusting a rod; 520. a motor; 530. a lead screw; 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. an on-off valve; 800. t-shaped workpieces.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a phased array flaw detector detection method for T-shaped welding seam detection.
Referring to fig. 1 and 2, a detection method of a phased array flaw detector for T-shaped weld detection mainly includes the following steps: step S1: installation: installing a probe of a phased array flaw detector on a wedge block 320 of a T-shaped welding seam detection auxiliary device, and moving the probe by moving the T-shaped welding seam detection auxiliary device when carrying out flaw detection on the T-shaped welding seam;
step S2: connecting: placing the T-shaped welding seam detection auxiliary device provided with the probe on a transverse plate of the T-shaped workpiece 800, adjusting the wedge block 320 to a position with a proper distance from the welding seam, and enabling the wedge block 320 to be abutted against the transverse plate of the T-shaped workpiece 800; after the distance between the wedge block 320 and the welding seam is adjusted, 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, and the possibility that the distance between the wedge block 320 and the welding seam is changed is reduced.
Step S3: and (3) detection: the staff 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, a probe of a phased array flaw detector arranged on the wedge block 320 detects the welding seam.
Referring to fig. 2 and 3, the T-shaped weld detection assisting apparatus 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 both fixedly connected with mounting rods 120, the two mounting rods 120 are arranged in parallel, the two mounting rods 120 are both located below the handle 110, and the handle 110 is connected to the middle position of the mounting rods 120 in the length direction. One side of one of the mounting rods 120 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. The moving mechanism 400 is connected to the lower side of the frame 100, and the friction between the frame 100 and the T-shaped workpiece 800 is reduced by the moving mechanism 400. The connecting mechanism 200 is connected to the side of the two mounting rods 120 away from each other, and the rack 100 is connected to the vertical plate of the T-shaped workpiece 800 through the connecting mechanism 200. The coupling mechanism 200 is connected to a coupling agent supply mechanism 700, and the coupling agent supply mechanism 700 brushes the coupling agent onto 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 below one of the mounting rods 120, the other two sets of rolling assemblies 410 are connected below the other mounting rod 120, and the two sets of rolling assemblies 410 connected to the same mounting rod 120 are respectively located at positions close to both ends of the mounting rod 120 in the length direction. The rolling assembly 410 comprises a mounting part 411, a second threaded rod 413 is fixedly connected to the upper end of the mounting part 411, a nut 414 is connected to the second threaded rod 413 through the mounting rod 120 in a threaded manner, a roller 412 is rotatably connected to the lower end of the mounting part 411, and the rotating axis of the roller 412 is parallel to the length direction of the mounting rod 120. Through four groups of rolling subassemblies 410 of detachable connection in frame 100 below, when removing T type welding seam detection auxiliary device, gyro wheel 412 is connected with T type work piece 800's diaphragm, reduces the frictional force between T type welding seam detection auxiliary device and the T type work piece 800, improves the convenience of staff's operation. After the T-shaped welding seam detection auxiliary device is used, the rack 100 and the rolling assembly 410 can be separated, and the flexibility of accommodating the T-shaped welding seam detection auxiliary device is improved.
Referring to fig. 3 and 4, the connecting mechanism 200 includes two sets of connecting members 210, and the two sets of connecting members 210 are respectively connected to sides of the two mounting rods 120 facing away from each other. The connecting assembly 210 includes a first rod 211 fixedly connected to the mounting rod 120, and the first rod 211 is disposed parallel to the mounting rod 120. The second rod 212 penetrates through 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 connected with the first rod 211 in a sliding mode, and the second rod 212 slides along the length direction of the first rod 211. One end of the first rod 211, which is far away from the second rod 212, is in threaded connection with a first threaded rod 213, and the first threaded rod 213 is rotatably connected with the second rod 212. Two magnetic blocks 214 are fixedly connected to one end, far away from the first rod 211, of the second rod 212, 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 located on the same horizontal plane, and one end, far away from the second rod 212, of the pulley 215 is flush with one end, far away from the second rod 212, of the magnetic block 214.
Referring to fig. 3, after the wedge block 320 is adjusted to a position with a proper distance from the weld joint, the first threaded rod 213 is rotated to enable the magnetic block 214 to be abutted against the vertical plate of the T-shaped workpiece 800, the magnetic block 214 is connected with the vertical plate of the T-shaped workpiece 800 under the action of magnetic force, and the wedge block 320 is positioned by the two groups of connecting assemblies 210, so that the possibility of changing the distance between the wedge block 320 and the weld joint is reduced. Through second pole 212 and first pole 211 sliding connection, make the length of coupling assembling 210 adjustable, improve the suitability that improves T type welding seam detection auxiliary device. By rotating the connecting pulley 215 between the two magnetic blocks 214, the friction force between the connecting component 210 and the transverse plate of the T-shaped workpiece 800 is reduced, and the operation convenience of workers 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 rod 120 and located in the same horizontal plane. The adjusting rod 510 is provided with a sliding groove at one side thereof far away from the mounting rod 120, a lead screw 530 is arranged in the sliding groove, the lead screw 530 is rotatably 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. The screw 530 is screwed with a nut 540, the nut 540 is slidably connected in the slide groove, and a side wall of the nut 540 abuts against the inside of the slide groove. 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 spindle of the motor 520 is coaxially and fixedly connected with a lead screw 530. An adjustment assembly 550 is coupled to a side of the nut 540 away from the channel, the adjustment assembly 550 being coupled to the mounting mechanism 300.
The mounting mechanism 300 mechanism includes a connector 310, the connector 310 being connected to an adjustment assembly 550, the connector 310 being rotatably connected to a wedge 320 for mounting the probe. An infrared distance sensor 600 is fixedly connected to the wedge 320, and the distance between the wedge 320 and the vertical plate of the T-shaped workpiece 800 is detected by the infrared distance sensor 600. The infrared distance sensor 600 is electrically connected to the motor 520.
When the infrared distance sensor 600 detects that the distance between the wedge 320 and the vertical plate of the T-shaped workpiece 800 changes, the infrared distance sensor 600 sends a signal to enable the electric spindle to rotate, the spindle of the motor 520 rotates to drive the lead screw 530 to rotate synchronously with the lead screw, and the lead screw 530 rotates to enable the screw 540 to move in a direction close to or far away from the vertical plate of the T-shaped workpiece 800. The distance between wedge 320 and the weld is further controlled using adjustment mechanism 500, thereby further reducing the potential for variation 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 to the nut 540, a damping block 552 fixedly connected to an end of the first connecting rod 551 remote from the nut 540, a second connecting rod 553 slidably connected to the damping block 552, and the second connecting rod 553 slidably moves along a length direction of the first connecting rod 551. Two springs 554 are fixedly connected between one end of the second connecting rod 553 far away from the nut 540 and one end of the first connecting rod 551 close to the nut 540, and the two springs 554 are respectively positioned at two sides of the first connecting rod 551. The connector 310 is fixedly connected to an end of the second connecting rod 553 remote from the first connecting rod 551. When the wedge block 320 is abutted against the transverse plate of the T-shaped workpiece 800, the wedge block 320 is firstly abutted against the T-shaped workpiece 800, so that the wedge block 320 is fully contacted with the T-shaped workpiece 800; when a workpiece is detected, the distance between the wedge block 320 and the adjusting rod 510 can be changed according to the surface condition of the workpiece, and the use convenience of 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. Two equal fixedly connected with spray assembly 740 in the side of first pole 211 that keeps away from installation pole 120, two sets of spray assembly 740 all communicate with water pump 720 through communicating pipe 730.
Referring to fig. 1 and 4, the spray assembly 740 includes a brush 741 fixedly connected to the first rod 211, a spray pipe 742 is fixedly connected to an upper end of the brush 741, the spray pipe 742 is communicated with the communication pipe 730, and a plurality of spray openings are formed in a side of the spray pipe 742 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 a moving path of the wedge block 320 in the moving process of the rack 100, so that the operation convenience of workers is improved.
The two communicating pipes 730 are both communicated with the switch valves 750, and the two switch valves 750 are both fixedly connected above the handle 110. All be provided with pressure detection sensor in communicating pipe 730, pressure detection sensor is located between ooff valve 750 and water pump 720, and pressure detection sensor is connected with water pump 720 electricity. By fixedly connecting the switch valve 750 for controlling the flow of the coupling agent to the grip 110, a worker can operate the switch valve 750 while holding the grip 110, thereby further improving the convenience of operation of the detector; after 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 closed, 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 seam detection in 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 to the transverse plate of the T-shaped workpiece 800, the wedge block 320 is adjusted to a position with a proper distance from the welding seam, the T-shaped welding seam detection auxiliary device is connected with the vertical plate of the T-shaped workpiece 800, the T-shaped welding seam detection auxiliary device is used for controlling the distance between the wedge block 320 and the welding seam, the possibility that the distance between the wedge block 320 and the welding seam changes is reduced, and the detection effect of the phased array flaw detector is improved.
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 (9)
1. A detection method of a phased array flaw detector for T-shaped welding seam detection is characterized by comprising the following steps: the method mainly comprises the following steps:
step S1: installation: installing a probe of a phased array flaw detector on a T-shaped welding seam detection auxiliary device;
step S2: connecting: connecting a probe of the phased array flaw detector with a transverse plate of the T-shaped workpiece (800), and connecting the T-shaped welding seam detection auxiliary device with a vertical plate of the T-shaped workpiece (800);
step S3: and (3) detection: and moving the T-shaped welding seam detection auxiliary device along the length direction of the welding seam, wherein the probe of the phased array flaw detector detects the welding seam in the moving process of the T-shaped welding seam detection auxiliary device.
2. The phased array flaw detector detection method for T-shaped welding seam detection according to claim 1, characterized in that: the T-shaped welding seam detection auxiliary device in the step S1 includes a rack (100), a connecting mechanism (200), and an installation mechanism (300), wherein the connecting mechanism (200) is connected to the rack (100), the rack (100) includes a grip (110) and two installation rods (120), the two installation rods (120) are respectively connected to two ends of the grip (110), the two installation rods (120) are arranged in parallel, the grip (110) is connected to one side of the installation rod (120) away from the ground, and the grip (110) is connected to the middle position of the installation rod (120) in the length direction;
the mounting mechanism (300) comprises a connecting piece (310) and a wedge block (320), wherein the connecting piece (310) is connected to one side of one mounting rod (120) close to the other mounting rod (120), and the wedge block (320) is rotatably connected to one end, far away from the mounting rods (120), of the connecting piece (310);
the connecting mechanism (200) comprises two groups of connecting components (210), wherein one group of the connecting components (210) is connected to one side, away from the installation mechanism (300), of one of the installation rods (120), the other group of the connecting components (210) is connected to one side, away from the installation mechanism (300), of the other installation rod (120), each connecting component (210) comprises 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 installation rods (120), the second rod (212) penetrates through one end of the first rod (211) in the length direction, the second rod (212) is slidably connected with the first rod (211), the first threaded rod (213) penetrates through one end, away from the second rod (212), of the first rod (211) and the first rod (211), first threaded rod (213) are rotated with second pole (212) and are connected, two the one end that first pole (211) was kept away from in second pole (212) is all fixed connection in magnetic block (214), pulley (215) rotate to be connected between two magnetic block (214), the axis of rotation of pulley (215) is perpendicular with second pole (212), the one end that second pole (212) were kept away from in pulley (215) and magnetic block (214) one end parallel and level of keeping away from second pole (212).
3. The phased array flaw detector detection method for T-shaped welding seam detection according to claim 2, characterized in that: the rack (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).
4. The phased array flaw detector detection method for T-shaped welding seam detection according to claim 3, characterized in that: roll subassembly (410) including installed part (411) and gyro wheel (412), gyro wheel (412) are rotated with installed part (411) and are connected, the axis of rotation of gyro wheel (412) is parallel with the length direction of installation pole (120), the one end fixedly connected with second threaded rod (413) of gyro wheel (412) are kept away from in installed part (411), second threaded rod (413) threaded connection has nut (414), second threaded rod (413) pass installation pole (120) and are connected with nut (414).
5. The phased array flaw detector detection method for T-shaped welding seam detection according to claim 2, characterized in that: the connecting piece (310) is connected with the mounting rod (120) through an adjusting mechanism (500), the wedge block (320) is fixedly connected with an infrared distance sensor (600) used for detecting the distance between the wedge block (320) and a vertical plate of the T-shaped workpiece (800), the adjusting mechanism (500) comprises an adjusting rod (510), a motor (520), a lead screw (530) and a nut (540), the adjusting rod (510) is connected with the mounting rod (120), one side, far away from the mounting rod (120), of the adjusting rod (510) is provided with a sliding groove, the lead screw (530) is positioned in the sliding groove, the lead screw (530) is rotatably connected with the adjusting rod (510), the motor (520) is fixedly connected with one end of the mounting rod (120), a main shaft of the motor (520) is coaxially and fixedly connected with the lead screw (530), the nut (540) is in threaded connection with the lead screw (530), and the nut (540) is abutted to the inner wall of the sliding groove, the screw nut (540) is connected with the connecting piece (310), and the motor (520) is electrically connected with the infrared distance sensor (600).
6. The phased array flaw detector detection method for T-shaped welding seam detection according to claim 5, characterized in that: the nut (540) is connected with the connecting piece (310) through an adjusting assembly (550), the adjusting assembly (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) far away from the nut (540), the second connecting rod (553) is connected with the damping block (552) in a sliding mode, 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) far away from the first connecting rod (551).
7. The phased array flaw detector detection method for T-shaped welding seam detection according to claim 6, characterized in that: two springs (554) are connected between one end, far away from the nut (540), of the first connecting rod (551) and one end, close to the first connecting rod (551), of the second connecting rod (553), and the two springs (554) are located on two sides of the first connecting rod (551) respectively.
8. The phased array flaw detector detection method for T-shaped welding seam detection according to claim 2, characterized in that: 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 assemblies (740), one group of spraying assemblies (740) is connected to one side, away from the mounting rod (120), of one first rod (211), the other group of spraying assemblies (740) is connected to one side, away from the mounting rod (120), of the other first rod (211), a water inlet of the water pump (720) is communicated with the water tank (710), the two groups of spraying assemblies (740) are communicated with a water outlet of the water pump (720) through a communication pipe (730), each spraying assembly (740) comprises a brush (741) and a spray pipe (742), each brush (741) is fixedly connected with the first rod (211), and each spray pipe (742) is fixedly connected to one side, away from the ground, of each brush (741), a plurality of spraying openings are formed in one side, close to the hairbrush (741), of the spraying pipe (742), and the spraying pipe (742) is communicated with the communicating pipe (730).
9. The phased array flaw detector detection method for T-shaped weld inspection according to claim 8, characterized in that: two communicating pipe (730) all communicates with ooff valve (750), two ooff valve (750) all with handle (110) fixed connection, be provided with pressure detection sensor in communicating pipe (730), pressure detection sensor is located between ooff valve (750) and water pump (720), pressure detection sensor is connected with water pump (720) electricity.
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