CN110954600A - Tube sheet fillet weld phased array ultrasonic detection self-adaptive balance probe cabin - Google Patents
Tube sheet fillet weld phased array ultrasonic detection self-adaptive balance probe cabin Download PDFInfo
- Publication number
- CN110954600A CN110954600A CN201911408224.5A CN201911408224A CN110954600A CN 110954600 A CN110954600 A CN 110954600A CN 201911408224 A CN201911408224 A CN 201911408224A CN 110954600 A CN110954600 A CN 110954600A
- Authority
- CN
- China
- Prior art keywords
- bin
- bin body
- phased array
- probe
- fillet weld
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/24—Probes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a phased array ultrasonic testing self-adaptive balance probe bin for a pipe plate fillet weld, which comprises a bin cover, a bin body and a roller frame, wherein: the bin cover is arranged above the bin body and is connected with the bin body in a sliding mode, the bin cover can slide in the horizontal direction relative to the bin body, and the bin cover can drive the bin body to rotate in the vertical direction; a groove is formed in the bin body, and a probe wedge block and a piezoelectric wafer are arranged in the groove and are tightly pressed through a gland; the roller frame is fixed on the surface of the gland, which is back to the bin body, a spring is arranged between the roller frame and the gland, and a roller is arranged in the roller frame. The invention solves the problems of poor contact, unstable operation, poor coupling, signal loss or drift, inaccurate positioning and the like of the probe and the inner wall of the pipe in the scanning process.
Description
Technical Field
The invention belongs to the technical field of nondestructive testing, and particularly relates to a phased array ultrasonic testing probe bin.
Background
The tube plate fillet weld is the main welding structure of the shell and tube heat exchanger and the reactor, and the structure is a weak link of equipment and is easy to leak, so that nondestructive detection is required. The detection method adopted in the past is X-ray detection, and in recent years, the technology and equipment for detecting the fillet weld of the tube plate of the tube by using phased array ultrasound are invented.
When the phased array detection of the pipe plate fillet weld is carried out, a probe is put into a probe bin, and then the probe bin is put into a pipe. The probe cabin is filled with water as coupling agent and is driven by the motor to rotate. The ultrasonic wave sent by the probe scans the whole circle of fillet weld and receives the echo signal, and the image is formed through the processing of a computer, namely the detection is finished. The probe bin is used for clamping the probe, storing coupling agent water and driving the probe to rotate, so that important parts for scanning and signal acquisition are completed.
The phased array detection scanning system for the fillet weld of the tube and the tube plate is handheld due to the limitation of application conditions, and the shaft is easy to deflect in the process of rotationally scanning the fillet weld, so that the probe is unstable in contact with the inner wall of the tube and is in near-time and far-time. When the probe is not in good contact with the pipe wall, poor coupling, signal loss or drift can occur, and the detection quality is influenced. Therefore, the probe and the inner wall of the pipe are required to be always kept closely, well contacted and stably operated, and the problem cannot be solved by the currently adopted rigid probe bin.
Disclosure of Invention
The invention aims to provide a pipe plate fillet weld phased array ultrasonic detection self-adaptive balance probe bin, which solves the problems that a rigid probe bin adopted by a pipe plate fillet weld phased array detection system in the prior art is easy to generate poor coupling to cause signal loss, and a probe is easy to be tight and loose when being attached to the inner wall of a pipe to cause signal drift.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a pipe tube sheet fillet weld phased array ultrasonic testing self-adaptation balance probe storehouse, includes cang gai, the storehouse body, roll stand, wherein:
the bin cover is arranged above the bin body and is connected with the bin body in a sliding mode, the bin cover can slide in the horizontal direction relative to the bin body, and the bin cover can drive the bin body to rotate in the vertical direction;
a groove is formed in the bin body, and a probe wedge block and a piezoelectric wafer are arranged in the groove and are tightly pressed through a gland;
the roller frame is fixed on the surface of the gland, which is back to the bin body, a spring is arranged between the roller frame and the gland, and a roller is arranged in the roller frame.
Further, through spout structural connection between the storehouse lid and the storehouse body, the storehouse lid includes a top surface and two symmetrical sides, and two side inner walls all are provided with the slide rail, and the storehouse body is provided with corresponding spout with the off-plate wall of two side contacts.
Furthermore, a water filling port is arranged in the bin body and is connected with a water pipe joint.
Furthermore, a cable is led out of the top of the probe wedge block and is fastened through the arrowhead.
Furthermore, a rotating shaft is arranged on the roller frame in the vertical direction, the roller is arranged on the rotating shaft, and the roller can rotate relative to the roller frame along with the rotating shaft.
Has the advantages that: compared with the prior art, the invention has the advantages that:
1. the bin cover and the bin body adopt a structure capable of sliding relatively, so that the probe can still be ensured not to separate from the tube wall when the rotating shaft of the scanning device deflects.
2. The bin body is connected with the roller frame through a spring, and the distance between the probe and two supporting points of the roller is 180 degrees, so that symmetrical balance is realized, the probe and the inner wall of the pipe can be always kept to be attached tightly in the scanning process, and good contact is realized.
Drawings
FIG. 1 is a schematic diagram of a split structure of a phased array ultrasonic testing adaptive balance probe cabin for a pipe sheet fillet weld of the invention;
FIG. 2 is a schematic structural diagram of a phased array ultrasonic testing adaptive balance probe cabin for a pipe and tube sheet fillet weld of the present invention;
FIG. 3 is a schematic structural view of another angle of the tube-tube sheet fillet weld phased array ultrasonic inspection adaptive balance probe bin of the present invention;
in the figure, 1-bin cover, 2-first screw, 3-bin body, 4-arrowhead, 5-water pipe joint, 6-piezoelectric wafer, 7-gland, 8-probe wedge block, 9-roller frame, 10-roller, 11-third screw, 12-fourth screw, 13-rotating shaft, 14-spring, 15-second screw, 16-sliding rail, 17-sliding chute, 20-tube and 30-tube plate.
Detailed Description
The invention is further explained below with reference to the drawings.
Some of the terms of art to which the invention relates will be explained first:
performing phased array ultrasonic detection on the fillet weld of the tube plate: the tube plate fillet weld is the main welding structure of the tube type heat exchanger and the reactor, the structure is a weak link of the equipment, leakage is easy to occur, so nondestructive detection is needed, and the phased array ultrasonic detection of the tube plate fillet weld is an advanced nondestructive detection technology newly invented in recent years.
A probe bin: when the phased array detection of the fillet weld of the tube and the tube plate is carried out, a probe is placed in a probe bin, the probe bin is placed in a tube, the bin is filled with water as a coupling agent and rotates under the drive of a motor, ultrasonic waves emitted by the probe scan a whole circle of fillet weld and receive echo signals, and the image is formed through the processing of a computer, so that the detection is completed. The probe bin is used for clamping the probe, storing coupling agent water and driving the probe to rotate so as to complete scanning and signal acquisition.
Self-adaptive balance probe cabin: in the process of scanning the fillet weld by rotating the probe, the probe and the inner wall of the pipe are always kept to be tightly attached, in good contact and in stable operation. If the probe is not tightly attached, the contact is not good, the operation is not stable, the problems of poor coupling, signal loss, inaccurate positioning and the like can occur, so that a self-adaptive balance structure is required to be adopted to ensure that the probe is tightly attached to and in good contact with the inner wall of the pipe.
As shown in fig. 1, the phased array ultrasonic testing adaptive balance probe cabin for the pipe plate fillet weld of the pipe of the invention comprises a cabin cover 1, a cabin body 3 and a roller frame 9, wherein:
the bin cover 1 is arranged above the bin body 3, the bin cover 1 comprises a top surface and two symmetrical side surfaces, the top surface is used for being connected with a motor driving shaft, the inner walls of the two side surfaces are respectively provided with a sliding rail 16, the outer wall, in contact with the two side surfaces, of the bin body 3 is provided with a corresponding sliding groove 17, the bin cover 1 is connected with the bin body 3 through a sliding groove structure formed by the sliding rails 16 and the sliding grooves 17, the bin cover 1 can slide in the horizontal direction relative to the bin body 3, and the bin cover 1 can drive the bin body 3 to rotate in the vertical direction; the bin body 3 is provided with a water filling port which is connected with a water pipe joint 5 and used for filling water into the contact surface of the probe wedge block and the pipe wall.
A groove is arranged in the bin body 3, a probe wedge block 8 and a piezoelectric wafer 6 are arranged in the groove, and the groove is tightly pressed by a gland 7; the top of the probe wedge block 8 is led out of a cable, and the cable is fastened through the arrowhead 4.
The roller frame 9 is fixed on the gland 7 on the surface back to the bin body 3, a spring 14 is arranged between the roller frame 9 and the gland 7, a rotating shaft 13 is vertically arranged on the roller frame 9, the roller 10 is arranged on the rotating shaft 13, and the roller 10 can rotate relative to the roller frame 9 along with the rotating shaft 13.
Two side surfaces of the bin cover 1 are respectively provided with a threaded hole, and the first screw 2 and the second screw 15 are screwed into the two threaded holes.
The gland 7 is fixed with the bin body 3 through 4 third screws 11. The roller frame 9 is fixed with the gland 7 by 2 fourth screws 12.
In the rotation process of the probe cabin, the probe and the roller are respectively contacted with the inner wall of the pipe at supporting points which are separated by 180 degrees, and the probe is pressed on the inner wall of the pipe under the action of the elastic force of the spring, so that the probe and the inner wall of the pipe can be always kept closely in the detection scanning process, good contact and stable operation are realized, and the contact between the probe and the pipe wall cannot be influenced even if the shaft of the scanning device deflects. Therefore, the problems that the probe is not tightly attached to the inner wall of the pipe, the contact is not good, the operation is not stable, the coupling is poor, the signal is lost or drifted, the detection and the positioning are not accurate and the like in the scanning process are solved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a pipe tube sheet fillet weld phased array ultrasonic testing self-adaptation balance probe storehouse which characterized in that: including cang gai (1), storehouse body (3), roller frame (9), wherein:
the bin cover (1) is arranged above the bin body (3), the bin cover (1) is connected with the bin body (3) in a sliding mode, the bin cover (1) can slide in the horizontal direction relative to the bin body (3), and the bin cover (1) can drive the bin body (3) to rotate in the vertical direction;
a groove is formed in the bin body (3), a probe wedge block (8) and a piezoelectric wafer (6) are arranged in the groove, and the groove is tightly pressed through a gland (7);
the roller frame (9) is fixed on the gland (7) on the surface back to the bin body (3), a spring (14) is arranged between the roller frame (9) and the gland (7), and a roller (10) is arranged in the roller frame (9).
2. The tube sheet fillet weld phased array ultrasonic testing self-adaptive balance probe cabin according to claim 1, characterized in that: the bin cover (1) is structurally connected with the bin body (3) through sliding chutes, the bin cover (1) comprises a top surface and two symmetrical side surfaces, sliding rails (16) are arranged on the inner walls of the two side surfaces, and corresponding sliding chutes (17) are arranged on the outer walls of the bin body (3) and the two side surfaces which are in contact with each other.
3. The tube sheet fillet weld phased array ultrasonic testing self-adaptive balance probe cabin according to claim 2, characterized in that: two side surfaces of the bin cover (1) are respectively provided with a threaded hole, and a first screw (2) and a second screw (15) are screwed into the two threaded holes.
4. The tube sheet fillet weld phased array ultrasonic testing self-adaptive balance probe cabin according to claim 1, characterized in that: a water filling port is arranged in the bin body (3), and the water filling port is connected with a water pipe joint (5).
5. The tube sheet fillet weld phased array ultrasonic testing self-adaptive balance probe cabin according to claim 1, characterized in that: the cable is led out from the top of the probe wedge block (8) and is fastened through the arrowhead (4).
6. The tube sheet fillet weld phased array ultrasonic testing self-adaptive balance probe cabin according to claim 1, characterized in that: the gland (7) is fixed with the bin body (3) through a plurality of third screws (11).
7. The tube sheet fillet weld phased array ultrasonic testing self-adaptive balance probe cabin according to claim 1, characterized in that: the roller frame (9) is fixed with the gland (7) through a plurality of fourth screws (12).
8. The tube sheet fillet weld phased array ultrasonic testing self-adaptive balance probe cabin according to claim 1, characterized in that: a rotating shaft (13) is installed in the vertical direction on the roller frame (9), a roller (10) is installed on the rotating shaft (13), and the roller (10) can rotate relative to the roller frame (9) along with the rotating shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408224.5A CN110954600A (en) | 2019-12-31 | 2019-12-31 | Tube sheet fillet weld phased array ultrasonic detection self-adaptive balance probe cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911408224.5A CN110954600A (en) | 2019-12-31 | 2019-12-31 | Tube sheet fillet weld phased array ultrasonic detection self-adaptive balance probe cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110954600A true CN110954600A (en) | 2020-04-03 |
Family
ID=69985185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408224.5A Pending CN110954600A (en) | 2019-12-31 | 2019-12-31 | Tube sheet fillet weld phased array ultrasonic detection self-adaptive balance probe cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110954600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117783284A (en) * | 2024-02-27 | 2024-03-29 | 广东汕头超声电子股份有限公司 | Full-automatic accumulator welding seam ultrasonic phased array detection equipment |
-
2019
- 2019-12-31 CN CN201911408224.5A patent/CN110954600A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117783284A (en) * | 2024-02-27 | 2024-03-29 | 广东汕头超声电子股份有限公司 | Full-automatic accumulator welding seam ultrasonic phased array detection equipment |
| CN117783284B (en) * | 2024-02-27 | 2024-05-07 | 广东汕头超声电子股份有限公司 | Full-automatic accumulator welding seam ultrasonic phased array detection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202676673U (en) | Steel pipe ultrasonic flaw detection composite probe device | |
| CN109283259B (en) | Ultrasonic scanning device and application and method thereof | |
| CN105891334B (en) | The ultrasonic phase array pipeline girth weld testing agency that can steadily move | |
| US8301401B2 (en) | Low profile encircling ultrasonic probe for the inspection of in-situ piping in immersion mode | |
| JP5663382B2 (en) | Rotating array probe system for nondestructive inspection | |
| CN106770666B (en) | Large-diameter cylinder body agitating friction girth welding ultrasonic phase array automatic detection device | |
| KR101878273B1 (en) | Ultrasonic probe | |
| US8113055B2 (en) | Method for evaluating fastening state of threaded joint of pipes or tubes and method for fastening threaded joint of pipes or tubes using the method | |
| US7984650B2 (en) | Portable ultrasonic scanner device for nondestructive testing | |
| US8596127B2 (en) | Method for the non-destructive testing of objects using ultrasound | |
| CN110954600A (en) | Tube sheet fillet weld phased array ultrasonic detection self-adaptive balance probe cabin | |
| CN104090027A (en) | Device for automatically detecting fillet weld of heat exchanger tube plate through ultrasonic wave | |
| CN212083333U (en) | Tube sheet fillet weld phased array ultrasonic detection self-adaptive balance probe cabin | |
| CN210166346U (en) | Ultrasonic detection device for in-service pipeline or pressure vessel | |
| CN102706960B (en) | Ultrasonic phased array detection system for transitional circular arc inside cavity | |
| CN103675106A (en) | Local immersion type phased-array linear-array probe wedge block | |
| CN203396753U (en) | Adjustable weld inspection guided-wave probe | |
| CN106524958B (en) | Test and evaluation method for phased array supersonic probe voussoir abrasion validity | |
| CN203745424U (en) | Automatic detection device for defects of flange | |
| CN205593975U (en) | Wheeled detecting device of ultrasonic phased array | |
| CN103926322B (en) | Non-stop production detection method for oil field gathering and transportation pressure container | |
| KR20120015027A (en) | Longitudinal wave transducer wedge to maintain couplant layer and longitudinal wave transducer using the same | |
| CN217879022U (en) | Ultrasonic scanning device and system | |
| CN111189919B (en) | Nuclear power station pipeline welding seam detection device | |
| CN214668800U (en) | Phased array ultrasonic detection system |
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 |