CN115060799B - Device for detecting weld defects based on ultrasonic guided wave principle - Google Patents
Device for detecting weld defects based on ultrasonic guided wave principle Download PDFInfo
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- CN115060799B CN115060799B CN202210621926.7A CN202210621926A CN115060799B CN 115060799 B CN115060799 B CN 115060799B CN 202210621926 A CN202210621926 A CN 202210621926A CN 115060799 B CN115060799 B CN 115060799B
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- 230000007547 defect Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005272 metallurgy Methods 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/14—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 using acoustic emission techniques
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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
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/223—Supports, positioning or alignment in fixed situation
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a device for detecting weld defects based on an ultrasonic guided wave principle, which comprises a clamping assembly and a mounting assembly arranged on the side surface of the clamping assembly, wherein the top and the bottom of the clamping assembly are respectively provided with a fixing assembly; the clamping assembly comprises a lower clamping ring, one side of the top of the lower clamping ring is fixedly connected with a mounting seat, a mounting block is connected to the mounting seat through a mounting shaft in a rotating mode, the top of the mounting block is fixedly connected with an upper clamping ring matched with the lower clamping ring, and two detection probes which are symmetrically arranged are fixedly connected to the inner walls of the lower clamping ring and the inner walls of the upper clamping ring. According to the device for detecting the weld defects based on the ultrasonic guided wave principle, through the mutual coordination among the clamping assembly, the mounting assembly and the fixing assembly, the ultrasonic guided wave clamping ring is convenient to mount, and the device can be suitable for mounting pipelines with different thicknesses, so that great convenience is provided for workers, and the detection efficiency is improved.
Description
Technical Field
The invention relates to the technical field of weld joint detection, in particular to a device for detecting weld joint defects based on an ultrasonic guided wave principle.
Background
With the rapid development of economy and the need of national defense industry, pipeline transportation has become indispensable conveying equipment in fields of metallurgy, chemical industry, energy and urban gas transportation, and the like, industrial pipelines often work in very severe environments, and due to factors such as unavoidable corrosion, natural action, artificial damage and the like, the wall thickness of the pipeline is thinned, leakage accidents frequently occur, how to prevent the occurrence is happening, and the work of pipeline detection has become urgent, so that technologies commonly used for pipeline system detection at present can be roughly divided into 5 types: the ultrasonic guided wave detection method is widely applied because the probe clamp ring is installed on a certain section of a pipeline in ultrasonic guided wave detection, and 100% of pipelines with lengths of tens of meters on two sides of the clamp ring can be rapidly detected, but the ultrasonic guided wave clamp ring in the prior art is not easy to install in the use process, so that the operation difficulty of workers is improved, and the detection efficiency is reduced.
Disclosure of Invention
Aiming at the problems that an ultrasonic guided wave clamp ring in the prior art is not easy to install in the use process, the operation difficulty of workers is improved, and the detection efficiency is reduced, the invention provides a device for detecting weld defects based on an ultrasonic guided wave principle, which is convenient to install the ultrasonic guided wave clamp ring, can be suitable for pipeline installation of different thicknesses, further provides great convenience for the workers, and improves the detection efficiency.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an apparatus for detecting weld defects based on ultrasonic guided wave principles, comprising:
the clamping assembly and the mounting assembly are arranged on the side face of the clamping assembly, and the top and the bottom of the clamping assembly are provided with fixing assemblies;
the clamping assembly comprises a lower clamping ring, one side of the top of the lower clamping ring is fixedly connected with a mounting seat, a mounting block is connected to the mounting seat through a mounting shaft in a rotating mode, an upper clamping ring matched with the lower clamping ring is fixedly connected to the top of the mounting block, two detection probes which are symmetrically arranged are fixedly connected to the inner walls of the lower clamping ring and the upper clamping ring, a connecting block is fixedly connected to the other side of the top of the lower clamping ring, and a connecting groove matched with the connecting block is formed in one side of the bottom of the upper clamping ring and corresponds to the position of the connecting block;
The mounting assembly comprises a mounting frame, wherein slide bars which are symmetrically arranged are fixedly connected to the inner wall of the mounting frame, sliding sleeves are respectively and slidably connected to the two slide bars, sleeve springs are respectively sleeved on the two slide bars and positioned between the sliding sleeves and the inner wall of the mounting frame, connecting rods are respectively and fixedly connected to the bottoms of the two sliding sleeves, the bottoms of the two connecting rods are fixedly connected through clamping plates, clamping rods are fixedly connected to the side surfaces of the clamping plates, clamping grooves which are matched with the clamping rods are respectively and fixedly arranged on the side surfaces of the lower clamping rings and the side surfaces of the upper clamping rings, one side, far away from the clamping rods, of the clamping plates is fixedly connected with a mounting rod, the other end of the mounting rod is fixedly connected with a mounting sleeve, a limiting rod is slidably connected to the mounting sleeve, an operation block is fixedly connected to the bottom of the limiting rod, a limiting spring is sleeved on the limiting rod between the mounting sleeve and the operation block, a limiting seat is fixedly connected to the side surface of the mounting frame, and two limiting grooves are respectively arranged at the bottom of the limiting seat;
the fixing assembly comprises a threaded sleeve, a threaded rod is connected to the threaded sleeve in a threaded mode, an arc-shaped clamping plate is connected to the bottom of the threaded rod in a rotating mode through a bearing, and limiting telescopic rods are fixedly connected to two sides of the top of the arc-shaped clamping plate.
Preferably, one side of the mounting frame, which is close to the upper clamping ring, is fixedly connected with the side face of the upper clamping ring.
Preferably, one end of the sleeve spring is fixedly connected with the sliding sleeve, and the other end of the sleeve spring is fixedly connected with the inner wall of the mounting frame.
Preferably, one end of the limiting spring is fixedly connected with the mounting sleeve, and the other end of the limiting spring is fixedly connected with the operation block.
Preferably, the two threaded rods are both installed on the upper clamping ring and the lower clamping ring through threads of the threaded sleeve.
Preferably, the top of the connecting block is arc-shaped.
Preferably, the number of the clamping rods is two and correspondingly connected to the side face of the clamping plate.
Preferably, the bottom of the operation block is fixedly connected with an operation handle.
Preferably, one end of the threaded rod, which is far away from the arc clamping plate, is fixedly connected with a rotary hand wheel.
Preferably, one side of the arc clamping plate, which is far away from the threaded rod, is fixedly connected with an arc clamping pad.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the device for detecting the weld defects based on the ultrasonic guided wave principle, through the mutual coordination among the clamping assembly, the mounting assembly and the fixing assembly, the ultrasonic guided wave clamping ring is convenient to mount, and the device can be suitable for mounting pipelines with different thicknesses, so that great convenience is provided for workers, and the detection efficiency is improved.
2. The clamping assembly comprises a lower clamping ring, a mounting seat, a mounting shaft, a mounting block, an upper clamping ring, a detection probe, a connecting block and a connecting groove, and is convenient to clamp the device on a pipeline to be detected.
3. According to the invention, the arranged mounting assembly consists of the mounting frame, the sliding rod, the sliding sleeve, the sleeve spring, the connecting rod, the clamping plate, the clamping rod, the clamping groove, the mounting rod, the mounting sleeve, the limiting rod, the operating block, the limiting spring, the limiting seat and the limiting groove, so that the upper clamping ring and the lower clamping ring are conveniently clamped and fixed, and the operation of a worker is facilitated.
4. The fixing component comprises the threaded sleeve, the threaded rod, the arc clamping plate and the limiting telescopic rod, is convenient to fix the device on a pipeline, and can be suitable for pipelines with different pipe diameters, so that the applicability of the device is improved.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for detecting weld defects based on the principles of ultrasonic guided waves according to the present invention;
FIG. 2 is a schematic view of another view of the device for detecting weld defects based on the ultrasonic guided wave principle;
FIG. 3 is a schematic structural view of a clamping assembly in the device for detecting weld defects based on the ultrasonic guided wave principle;
FIG. 4 is a schematic view of the structure of the device for detecting weld defects based on the ultrasonic guided wave principle when a clamping assembly is opened;
FIG. 5 is a schematic view of the structure of the mounting assembly in the device for detecting weld defects based on the ultrasonic guided wave principle of the present invention;
FIG. 6 is a schematic view of another view of the mounting assembly of the apparatus for detecting weld defects based on the ultrasonic guided wave principle of the present invention;
FIG. 7 is a schematic structural view of a stationary component in the apparatus for detecting weld defects based on the ultrasonic guided wave principle of the present invention.
In the figure:
1. A clamping assembly; 2. a mounting assembly; 3. a fixing assembly;
101. A lower snap ring; 102. a mounting base; 103. a mounting shaft; 104. a mounting block; 105. a clamping ring is arranged; 106. a detection probe; 107. a connecting block; 1071. a connecting groove;
201. A mounting frame; 202. a slide bar; 203. a sliding sleeve; 204. sleeving a spring; 205. a connecting rod; 206. a clamping plate; 207. a clamping rod; 2071. a clamping groove; 208. a mounting rod; 209. a mounting sleeve; 210. a limit rod; 211. an operation block; 212. a limit spring; 213. a limit seat; 214. a limit groove;
301. A thread sleeve; 302. a threaded rod; 303. an arc clamping plate; 304. limiting telescopic rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-7, an apparatus for detecting weld defects based on ultrasonic guided wave principles, comprising:
The clamping assembly 1 and the mounting assembly 2 are arranged on the side face of the clamping assembly 1, and the top and the bottom of the clamping assembly 1 are provided with fixing assemblies 3;
The clamping assembly 1 comprises a lower clamping ring 101, wherein one side of the top of the lower clamping ring 101 is fixedly connected with a mounting seat 102, a mounting block 104 is rotatably connected to the mounting seat 102 through a mounting shaft 103, an upper clamping ring 105 matched with the lower clamping ring 101 is fixedly connected to the top of the mounting block 104, two detection probes 106 symmetrically arranged are fixedly connected to the inner walls of the lower clamping ring 101 and the upper clamping ring 105, a connecting block 107 is fixedly connected to the other side of the top of the lower clamping ring 101, and a connecting groove 1071 matched with the connecting block 107 is formed in one side of the bottom of the upper clamping ring 105 and corresponds to the position of the connecting block 107;
The mounting assembly 2 comprises a mounting frame 201, symmetrically arranged sliding rods 202 are fixedly connected to the inner wall of the mounting frame 201, sliding sleeves 203 are respectively and slidably connected to the two sliding rods 202, sleeve springs 204 are respectively and slidably arranged on the two sliding rods 202 positioned between the sliding sleeves 203 and the inner wall of the mounting frame 201, connecting rods 205 are respectively and fixedly connected to the bottoms of the two sliding sleeves 203, the bottoms of the two connecting rods 205 are fixedly connected through clamping plates 206, clamping rods 207 are fixedly connected to the side surfaces of the clamping plates 206, clamping grooves 2071 matched with the clamping rods 207 are respectively and fixedly arranged on the side surfaces of the lower clamping rings 101 and the upper clamping rings 105, mounting rods 208 are fixedly connected to one side, far away from the clamping rods 207, of the clamping plates 206, mounting sleeves 209 are fixedly connected to the other ends of the mounting rods 208, limiting rods 210 are respectively and slidably connected to the mounting sleeves 209, limiting rods 211 are respectively and fixedly connected to the bottoms of the limiting rods 210, limiting rods 210 positioned between the mounting sleeves 209 and the operating blocks 211 are respectively and sleeved with limiting springs 212, limiting seats 213 are fixedly connected to the side surfaces of the mounting frame 201, and the two limiting grooves 214 are respectively and are formed in the bottoms of the limiting seats 213;
wherein, fixed subassembly 3 includes thread bush 301, and threaded connection has threaded rod 302 on the thread bush 301, and the bottom of threaded rod 302 is connected with arc splint 303 through the bearing rotation, and the both sides at arc splint 303 top are all fixedly connected with spacing telescopic link 304.
One side of the mounting frame 201, which is close to the upper clamping ring 105, is fixedly connected with the side surface of the upper clamping ring 105, one end of the sleeve spring 204 is fixedly connected with the sliding sleeve 203, the other end of the sleeve spring 204 is fixedly connected with the inner wall of the mounting frame 201, one end of the limiting spring 212 is fixedly connected with the mounting sleeve 209, the other end of the limiting spring 212 is fixedly connected with the operating block 211, and two threaded rods 302 are respectively arranged on the upper clamping ring 105 and the lower clamping ring 101 through threaded sleeves 301 in a threaded manner;
The clamping assembly 1 is composed of a lower clamping ring 101, a mounting seat 102, a mounting shaft 103, a mounting block 104, an upper clamping ring 105, a detection probe 106, a connecting block 107 and a connecting groove 1071, and is convenient to clamp the device on a pipeline to be detected.
The installation assembly 2 is composed of an installation frame 201, a sliding rod 202, a sliding sleeve 203, a sleeve spring 204, a connecting rod 205, a clamping plate 206, a clamping rod 207, a clamping groove 2071, an installation rod 208, an installation sleeve 209, a limiting rod 210, an operation block 211, a limiting spring 212, a limiting seat 213 and a limiting groove 214, and is convenient to clamp and fix the upper clamping ring 105 and the lower clamping ring 101, so that the operation of workers is convenient.
The fixing component 3 is composed of a threaded sleeve 301, a threaded rod 302, an arc clamping plate 303 and a limiting telescopic rod 304, so that the fixing device is convenient to fix on pipelines and can be suitable for pipelines with different pipe diameters, and the applicability of the fixing device is improved.
Through adopting above-mentioned technical scheme, not only conveniently install the supersound guided wave snap ring, can be applicable to the pipeline installation of different thickness moreover, and then provide very big facility for the staff, also consequently improved detection efficiency.
As shown in fig. 1-7, the number of the clamping rods 207 is two and correspondingly connected to the side surface of the clamping plate 206.
By adopting the technical scheme, the stability of clamping and fixing the upper clamping ring 105 and the lower clamping ring 101 is improved.
As shown in fig. 1 to 7, an operation handle is fixedly connected to the bottom of the operation block 211.
By adopting the technical scheme, the operation block 211 is conveniently pulled, so that the convenience of disassembly and assembly of the invention is improved.
As shown in fig. 1-7, a rotating hand wheel is fixedly connected to the end of the threaded rod 302 remote from the arcuate clamping plate 303.
By adopting the technical scheme, the threaded rod 302 is conveniently rotated, so that the convenience of disassembly and assembly of the invention is improved.
As shown in fig. 1-7, an arcuate clamping pad is fixedly attached to the side of the arcuate clamping plate 303 remote from the threaded rod 302.
By adopting the technical scheme, the stability of pipeline clamping is improved, and damage to the pipeline during clamping is avoided, so that the practicability of the pipeline clamping device is improved.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes in detail the working principle or operation manner of the present invention in the actual process.
According to the device for detecting weld defects based on the ultrasonic guided wave principle, when the device is installed, the lower clamping ring 101 is clamped below a pipeline to be detected, then the upper clamping ring 105 is rotated, the connecting block 107 is inserted into the connecting groove 1071 and clamped into the corresponding clamping groove 2071 through the two clamping rods 207, so that preliminary fixing of the upper clamping ring 105 and the lower clamping ring 101 can be realized, then the threaded rod 302 is rotated through the rotating hand wheel, the arc clamping plate 303 can be driven to be close to the pipeline to be detected under the action of the threads of the threaded sleeve 301, clamping and fixing of the device are realized, and the pipeline can be detected through the detection probe 106; when the device is disassembled, the limiting rod 210 is pulled downwards only through pulling the handle, the limiting rod 210 is separated from the left limiting groove 214, then the limiting rod 210 is pulled to the right, the limiting rod 210 is driven to be clamped into the right limiting groove 214 under the elastic force of the limiting spring 212, meanwhile, the clamping rod 207 can be driven to be separated from the clamping groove 2071, then the clamping ring 105 is rotated, and the pipe is separated, so that the device can be disassembled conveniently.
To sum up: the device for detecting weld defects based on the ultrasonic guided wave principle consists of a clamping assembly 1, a mounting assembly 2 and a fixing assembly 3, and solves the problems mentioned in the background art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An apparatus for detecting weld defects based on ultrasonic guided wave principles, comprising:
The clamping assembly (1) and the mounting assembly (2) are arranged on the side face of the clamping assembly (1), and the top and the bottom of the clamping assembly (1) are provided with fixing assemblies (3);
The clamping assembly (1) comprises a lower clamping ring (101), one side of the top of the lower clamping ring (101) is fixedly connected with a mounting seat (102), a mounting block (104) is rotatably connected to the mounting seat (102) through a mounting shaft (103), an upper clamping ring (105) matched with the lower clamping ring (101) is fixedly connected to the top of the mounting block (104), two detection probes (106) symmetrically arranged are fixedly connected to the inner walls of the lower clamping ring (101) and the upper clamping ring (105), a connecting block (107) is fixedly connected to the other side of the top of the lower clamping ring (101), and a connecting groove (1071) matched with the connecting block (107) is formed in one side of the bottom of the upper clamping ring (105) and corresponds to the position of the connecting block (107);
Wherein the installation component (2) comprises an installation frame (201), slide bars (202) which are symmetrically arranged are fixedly connected on the inner wall of the installation frame (201), two slide bars (202) are respectively and slidably connected with a sliding sleeve (203), two slide bars (202) which are arranged between the sliding sleeve (203) and the inner wall of the installation frame (201) are respectively and fixedly connected with a sleeve spring (204), two connecting rods (205) are respectively and fixedly connected with the bottoms of the sliding sleeves (203), two connecting rods (205) are fixedly connected with one another through clamping plates (206), clamping rods (207) are fixedly connected with the side surfaces of the clamping plates (206), clamping grooves (2071) which are matched with the clamping rods (207) are respectively and slidably arranged on the side surfaces of the lower clamping rings (101) and the upper clamping rings (105), one side of the clamping rods (206) is far away from one side of each clamping rod (207) is fixedly connected with a mounting rod (208), the other end of each mounting rod (208) is fixedly connected with a mounting sleeve (209), each mounting sleeve (209) is slidably connected with a limiting rod (210), each limiting block (210) is fixedly connected with one side surface of each limiting block (211) which is fixedly connected with one limiting block (211), two limit grooves (214) are formed in the bottom of the limit seat (213);
the fixing assembly (3) comprises a threaded sleeve (301), a threaded rod (302) is connected to the threaded sleeve (301) in a threaded mode, an arc-shaped clamping plate (303) is connected to the bottom of the threaded rod (302) in a rotating mode through a bearing, and limiting telescopic rods (304) are fixedly connected to two sides of the top of the arc-shaped clamping plate (303).
2. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 1, wherein: one side of the mounting frame (201) close to the upper clamping ring (105) is fixedly connected with the side face of the upper clamping ring (105).
3. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 2, wherein: one end of the sleeve spring (204) is fixedly connected with the sliding sleeve (203), and the other end of the sleeve spring (204) is fixedly connected with the inner wall of the mounting frame (201).
4. A device for detecting weld defects based on the principle of ultrasonic guided waves as claimed in claim 3, wherein: one end of the limiting spring (212) is fixedly connected with the mounting sleeve (209), and the other end of the limiting spring (212) is fixedly connected with the operation block (211).
5. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 4, wherein: the two threaded rods (302) are both installed on the upper clamping ring (105) and the lower clamping ring (101) through threads of the threaded sleeve (301).
6. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 5, wherein: the top of connecting block (107) is arc design.
7. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 6, wherein: the number of the clamping rods (207) is two, and the clamping rods are correspondingly connected to the side face of the clamping plate (206).
8. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 7, wherein: the bottom of the operation block (211) is fixedly connected with an operation handle.
9. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 8, wherein: one end of the threaded rod (302) far away from the arc clamping plate (303) is fixedly connected with a rotary hand wheel.
10. The device for detecting weld defects based on the ultrasonic guided wave principle according to claim 9, wherein: and one side of the arc clamping plate (303) far away from the threaded rod (302) is fixedly connected with an arc clamping pad.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210621926.7A CN115060799B (en) | 2022-06-02 | 2022-06-02 | Device for detecting weld defects based on ultrasonic guided wave principle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210621926.7A CN115060799B (en) | 2022-06-02 | 2022-06-02 | Device for detecting weld defects based on ultrasonic guided wave principle |
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| CN115060799B true CN115060799B (en) | 2024-06-28 |
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| CN118223783A (en) * | 2024-05-24 | 2024-06-21 | 临汾市迅捷交通工程质量试验检测有限公司 | Dust dissipation prevention core drilling machine for pavement detection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214585111U (en) * | 2021-04-15 | 2021-11-02 | 山西科视检测有限公司 | Ultrasonic detection device based on boiler small-diameter pipe |
| CN114371318A (en) * | 2022-01-05 | 2022-04-19 | 国网山东省电力公司临沂供电公司 | Contact ultrasonic wave partial discharge detection assists clamping tools |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102004042303A1 (en) * | 2004-08-27 | 2006-03-09 | Mannesmannröhren-Werke Ag | Apparatus for ultrasonic testing of the weld seam of longitudinally welded pipes for longitudinal defects |
| WO2021056176A1 (en) * | 2019-09-24 | 2021-04-01 | 赣州西维尔金属材料科技有限公司 | Payoff apparatus for metal cable production |
| CN216013238U (en) * | 2021-06-11 | 2022-03-11 | 天津华信工程检测有限公司 | Ultrasonic detector for detecting pipeline welding seam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214585111U (en) * | 2021-04-15 | 2021-11-02 | 山西科视检测有限公司 | Ultrasonic detection device based on boiler small-diameter pipe |
| CN114371318A (en) * | 2022-01-05 | 2022-04-19 | 国网山东省电力公司临沂供电公司 | Contact ultrasonic wave partial discharge detection assists clamping tools |
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