CN110632184A - Ultrasonic phased array detection device and detection method for welding seam of vertical friction plate of main cable saddle - Google Patents
Ultrasonic phased array detection device and detection method for welding seam of vertical friction plate of main cable saddle Download PDFInfo
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- CN110632184A CN110632184A CN201910957231.4A CN201910957231A CN110632184A CN 110632184 A CN110632184 A CN 110632184A CN 201910957231 A CN201910957231 A CN 201910957231A CN 110632184 A CN110632184 A CN 110632184A
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 238000003466 welding Methods 0.000 title claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 40
- 230000001808 coupling effect Effects 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 238000009659 non-destructive testing Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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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
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
- G01N29/069—Defect imaging, localisation and sizing using, e.g. time of flight diffraction [TOFD], synthetic aperture focusing technique [SAFT], Amplituden-Laufzeit-Ortskurven [ALOK] technique
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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
- G01N29/26—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
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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
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
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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
- G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/106—Number of transducers one or more transducer arrays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/267—Welds
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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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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to an ultrasonic phased array detection device and a detection method for a welding seam of a vertical friction plate of a main cable saddle, which comprises an auxiliary detection robot and an ultrasonic phased array probe; the magnetic type detection device comprises an auxiliary detection robot, a saddle, four magnetic type accessories, two walking wheels and a plurality of wheels, wherein the magnetic type accessories are arranged on one side of the auxiliary detection robot and are kept in close contact with the saddle through the magnetic type accessories; and a probe support is fixed on one end face of the auxiliary detection robot, and an ultrasonic phased array probe is fixed on the probe support. The invention effectively implements the nondestructive detection of the welding seam of the vertical friction plate of the main cable saddle, the magnetic fittings can ensure the close contact with the saddle and the friction plate, the distance between the probe and the saddle is continuously adjustable, and the coupling effect of the probe and the friction plate can be ensured.
Description
Technical Field
The invention relates to the technical field of nondestructive testing, in particular to an ultrasonic phased array testing device and a testing method for a main cable saddle vertical friction plate welding seam.
Background
The design of the transverse partition plate of the main cable saddle is changed into the vertical friction plate, which is a new design concept of the main cable saddle, and the design enables the side surfaces of all the cable strands to be in contact with the vertical friction plate to provide side surface friction force, so that the anti-sliding performance of the main cable saddle is improved, and the main cable saddle is shown in fig. 1, and fig. 1 is a structural schematic diagram of the main cable saddle with the vertical friction plate. The saddle groove of main cable saddle totals 14 vertical friction plates, including 4 that thickness is 10mm, 4 that thickness is 12mm, 4 that thickness is 14mm and 2 that thickness is 16mm, and vertical friction plate material is Q345C, and the saddle material is the cast steel spare.
The range of the plate height of the vertical friction plates is 756 ~ 945mm, the longitudinal length is 3466mm, the range of the distance between the adjacent friction plates is 61.5mm ~ 73.0.0 mm, the longitudinal length and the height of the vertical friction plates are large, the distance is small, the structural space is limited, and the conventional nondestructive testing method cannot be adopted for nondestructive testing of the welding seams of the vertical friction plates.
Disclosure of Invention
The invention aims to overcome the defects and provides an ultrasonic phased array detection device and a detection method for a welding seam of a vertical friction plate of a main cable saddle.
The purpose of the invention is realized as follows:
an ultrasonic phased array detection device for a welding seam of a vertical friction plate of a main cable saddle comprises an auxiliary detection robot and an ultrasonic phased array probe;
the magnetic type detection device comprises an auxiliary detection robot, a saddle, four magnetic type accessories, two walking wheels and a plurality of wheels, wherein the magnetic type accessories are arranged on one side of the auxiliary detection robot and are kept in close contact with the saddle through the magnetic type accessories; and a probe support is fixed on one end face of the auxiliary detection robot, and an ultrasonic phased array probe is fixed on the probe support.
Furthermore, be equipped with two rectangular holes on the probe support, all be equipped with the several bolt hole on the terminal surface around the supplementary inspection robot, the rectangular hole position corresponds with the bolt hole on the terminal surface.
Further, the aperture of the rectangular hole is slightly larger than that of the bolt hole on the end face.
Further, the probe support is in a cantilever structure.
A detection method of an ultrasonic phased array detection device for a welding seam of a vertical friction plate of a main cable saddle comprises the following steps:
the welding joint of the vertical friction plate of the main cable saddle is summarized into two types, and a comparison test block is manufactured according to the type of the joint, wherein the material and the welding process of the comparison test block are the same as those of actual manufacturing;
optimizing an ultrasonic phased array detection process by simulating and detecting two types of reference blocks, and selecting proper parameters to ensure that the sound beam is larger than the complete coverage of a welding seam area;
rotating the main cable saddle by 90 degrees to enable the vertical friction plate to be in a horizontal state;
the auxiliary detection robot is in close contact with the saddle and the vertical friction plate through magnetic accessories, the distance between the ultrasonic phased array probe and the saddle is continuously adjustable, and the coupling effect of the ultrasonic phased array probe and the vertical friction plate can be ensured;
the auxiliary detection robot carries an ultrasonic phased array probe, and ultrasonic phased array detection of the welding seam of the vertical friction plate is implemented through movement of the auxiliary walking wheel.
Furthermore, the reference test block manufactured according to the first connector type is a first test block, the thickness of the test block is 50mm, three long transverse holes are formed in the welding seam, and 3 long transverse holes are formed in three corners of an equilateral triangle.
Furthermore, a reference test block manufactured according to a second connector type is a second test block, the thickness of the test block is 50mm, three long transverse holes are arranged at a left side welding seam, and 3 long transverse holes are arranged at three corners of an equilateral triangle; at the right side welding seam, 3 long transverse holes are also arranged according to the method of arranging the long transverse holes at the left side welding seam.
Further, the long transverse holes have a hole diameter of 3mm and a depth of 50mm, and the long transverse holes are through holes.
Further, the distance between the adjacent long transverse holes is 10 mm.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention effectively solves the problem of insufficient detection space of the welding seam of the vertical friction plate of the main cable saddle of the suspension bridge, adopts the method of combining the ultrasonic phased array technology and the auxiliary detection robot, utilizes the auxiliary detection robot to carry the ultrasonic phased array probe, effectively implements the nondestructive detection of the welding seam of the vertical friction plate of the main cable saddle, ensures the close contact of the magnetic fittings with the saddle and the friction plate, continuously adjusts the distance between the probe and the saddle, and ensures the coupling effect of the probe and the friction plate.
(2) According to the invention, a comparison test block is manufactured in a mode of the same material, the same welding process and the same joint structure as the vertical friction plate, and the process parameters for ensuring that the sound beam completely covers the welding seam area to be detected and detecting the sensitivity are obtained through the simulation detection of the comparison test block in a typical structure mode; through the application of the auxiliary detection robot and the comparison test block, the ultrasonic phased array is adopted to implement nondestructive detection on the welding seam of the vertical friction plate of the main cable saddle.
Drawings
Fig. 1 is a schematic structural view of a vertical friction plate main cable saddle.
Fig. 2 is a schematic structural diagram of an auxiliary inspection robot according to the present invention.
Fig. 3 is a front view of the auxiliary inspection robot of the present invention.
FIG. 4 is a schematic view of a first version of a vertical friction plate weld joint.
FIG. 5 is a schematic view of a second type of vertical friction plate weld joint.
Fig. 6 is a schematic structural diagram of a first test block according to the present invention.
Fig. 7 is a schematic structural diagram of a second test block according to the present invention.
Fig. 8 is a schematic view of the sound beam coverage of the first test block of the present invention.
Fig. 9 is a schematic view of the sound beam coverage of the second test block of the present invention.
Wherein:
the device comprises an auxiliary detection robot 1, a magnetic accessory 2, a traveling wheel 3, an end face 4, a rectangular hole 5, a probe support 6, an ultrasonic phased array probe 7, a first test block 8, a second test block 9, a long transverse hole 10, a vertical friction plate 11 and a welding line 12.
Detailed Description
Example 1:
referring to fig. 2 and 3, the ultrasonic phased array detection device for the weld joint of the vertical friction plate of the main cable saddle comprises an auxiliary detection robot 1 and an ultrasonic phased array probe 7.
One side of supplementary inspection robot 1 is equipped with magnetism formula accessory 2, keeps in close contact with the saddle through magnetism formula accessory 2, the bottom of supplementary inspection robot 1 is equipped with four magnetism formula accessories 2 and vertical friction plate 11 keep in contact, and the below of every magnetism formula accessory 2 of bottom is equipped with two walking wheels 3, moves on vertical friction plate 11 through walking wheel 3.
A plurality of bolt holes are formed in the front end face 4 and the rear end face 4 of the auxiliary detection robot 1.
Ultrasonic phased array probe 7 is fixed on probe support 6 through hexagon socket head cap nut, be equipped with two rectangular hole 5 on the probe support 6, the bolt hole on 5 positions in rectangular hole and the terminal surface 4 corresponds, probe support 6 is fixed on the terminal surface 4 of auxiliary inspection robot 1 through hexagon socket head cap nut, the aperture of rectangular hole 5 slightly is greater than the aperture of the bolt hole on terminal surface 4 for ultrasonic phased array probe 7 can be in certain extent adjust with the saddle the distance and with the coupling effect of vertical friction plate 11.
The probe support 6 is of a cantilever structure, and can ensure the coupling effect of the probe and the friction plate. And implementing ultrasonic phased array detection on the welding seam of the vertical friction plate 11 by assisting the walking of the detection robot 1.
Further referring to fig. 4-9, the detection method of the ultrasonic phased array detection device for the weld joint of the vertical friction plate of the main cable saddle, which is provided by the invention, comprises the following steps:
summarizing the welding joint of the vertical friction plate of the main cable saddle into two types, referring to fig. 4 and 5, manufacturing a comparison test block according to the joint type, wherein the material and the welding process of the comparison test block are the same as those of actual manufacturing;
the reference test block manufactured according to the first joint type is a first test block 8, referring to fig. 6, the thickness of the test block is 50mm, long transverse holes 10 with the aperture of 3mm and the length of 50mm are arranged at the welding seam 12, the long transverse holes 10 are penetrating holes, the first test block 8 is provided with 3 long transverse holes 10 in total, the 3 long transverse holes 10 are arranged in three corners of an equilateral triangle, and the distance between the adjacent long transverse holes 10 is 10mm, so that the circle center connecting lines of the 3 long transverse holes 10 form an equilateral triangle with the side length of 10 mm;
a reference test block manufactured according to a second joint type is a second test block 9, referring to fig. 7, the thickness of the test block is 50mm, three long transverse holes 10 with the diameter of 3mm and the length of 50mm are arranged at a left-side welding seam, the long transverse holes 10 are penetrating holes, the 3 long transverse holes 10 are arranged at three corners of an equilateral triangle, and the distance between every two adjacent long transverse holes 10 is 10mm, so that the circle center connecting lines of the 3 long transverse holes 10 form the equilateral triangle with the side length of 10 mm; at the right side welding seam, 3 long transverse holes 10 with the diameter of 3mm and the length of 50mm are also arranged according to the method of arranging the long transverse holes 10 at the left side welding seam;
analyzing the acquired detection data by using off-line data analysis software or a data analysis function in a phased array ultrasonic instrument by adopting an ultrasonic phased array sector scanning mode of transverse movement of a parallel welding seam so as to determine whether a detection area can be covered by an acoustic beam and the detection sensitivity during detection, wherein the mark of the detection area covered by the acoustic beam is that a long transverse hole 10 arranged on a reference block can be detected completely;
referring to fig. 8 and 9, through simulation detection of two types of reference blocks, ultrasonic phased array detection process optimization is performed, and appropriate parameters are selected to ensure that the sound beam is larger than the complete coverage of the welding seam area; after an ultrasonic phased array instrument is debugged on a reference block, the instrument is used for actually detecting a vertical friction plate of the main cable saddle;
rotating the main cable saddle by 90 degrees to enable the vertical friction plate 11 to be in a horizontal state;
the auxiliary detection robot 1 is in close contact with the saddle and the vertical friction plate 11 through the magnetic accessory 2, the distance between the ultrasonic phased array probe 7 and the saddle is continuously adjustable, and the coupling effect of the ultrasonic phased array probe 7 and the vertical friction plate 11 can be ensured;
the auxiliary detection robot 1 carries an ultrasonic phased array probe 7, and ultrasonic phased array detection of the welding seam of the vertical friction plate 11 is implemented through movement of the auxiliary walking wheel 3.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides an ultrasonic phased array detection device of vertical friction plate welding seam of main cable saddle which characterized in that: the ultrasonic phased array ultrasonic detection robot comprises an auxiliary detection robot (1) and an ultrasonic phased array probe (7);
one side of the auxiliary detection robot (1) is provided with a magnetic accessory (2), the magnetic accessory (2) is in close contact with the saddle, the bottom of the auxiliary detection robot (1) is provided with four magnetic accessories (2) which are in contact with a vertical friction plate (11), two walking wheels (3) are arranged below the magnetic accessory (2) at the bottom, and the auxiliary detection robot (1) moves on the vertical friction plate (11) through the walking wheels (3); a probe support (6) is fixed on one end face (4) of the auxiliary detection robot (1), and an ultrasonic phased array probe (7) is fixed on the probe support (6).
2. The ultrasonic phased array detection device for the weld joint of the main cable saddle vertical friction plate according to claim 1, characterized in that: be equipped with two rectangular holes (5) on probe support (6), all be equipped with the several bolt hole on terminal surface (4) around supplementary inspection robot (1), rectangular hole (5) position corresponds with the bolt hole on terminal surface (4).
3. The ultrasonic phased array detection device for the weld joint of the main cable saddle vertical friction plate according to claim 2, characterized in that: the aperture of the rectangular hole (5) is slightly larger than that of the bolt hole on the end face 4.
4. The ultrasonic phased array detection device for the weld joint of the main cable saddle vertical friction plate according to claim 1, characterized in that: the probe support (6) is of a cantilever structure.
5. The detection method of the ultrasonic phased array detection device for the welding seam of the vertical friction plate of the main cable saddle is characterized by comprising the following steps of:
the welding joint of the vertical friction plate of the main cable saddle is summarized into two types, and a comparison test block is manufactured according to the type of the joint, wherein the material and the welding process of the comparison test block are the same as those of actual manufacturing;
optimizing an ultrasonic phased array detection process by simulating and detecting two types of reference blocks, and selecting proper parameters to ensure that the sound beam is larger than the complete coverage of a welding seam area;
rotating the main cable saddle by 90 degrees to enable the vertical friction plate (11) to be in a horizontal state;
the auxiliary detection robot (1) is in close contact with the saddle and the vertical friction plate (11) through the magnetic accessory (2), the distance between the ultrasonic phased array probe (7) and the saddle is continuously adjustable, and the coupling effect of the ultrasonic phased array probe (7) and the vertical friction plate (11) can be ensured;
the auxiliary detection robot (1) carries an ultrasonic phased array probe (7), and ultrasonic phased array detection of the welding seam of the vertical friction plate (11) is implemented through movement of the auxiliary walking wheel (3).
6. The detection method of the ultrasonic phased array detection device for the weld joint of the main cable saddle vertical friction plate according to claim 5, characterized in that: the reference test block manufactured according to the first connector type is a first test block (8), the thickness of the test block is 50mm, three long transverse holes (10) are formed in the welding seam, and the 3 long transverse holes (10) are arranged at three corners of an equilateral triangle.
7. The detection method of the ultrasonic phased array detection device for the weld joint of the main cable saddle vertical friction plate according to claim 5, characterized in that: the reference test block manufactured according to the second joint type is a second test block (9), the thickness of the test block is 50mm, three long transverse holes (10) are arranged at the left side welding seam, and 3 long transverse holes (10) are arranged in three angles of an equilateral triangle; and 3 long transverse holes (10) are also arranged at the right side welding seam according to the method of arranging the long transverse holes (10) at the left side welding seam.
8. The detection method of the ultrasonic phased array detection device for the weld joint of the main cable saddle vertical friction plate according to claim 6 or 7, characterized in that: the diameter of the long transverse hole (10) is 3mm, the depth is 50mm, and the long transverse hole (10) is a penetration hole.
9. The detection method of the ultrasonic phased array detection device for the weld joint of the main cable saddle vertical friction plate according to claim 6 or 7, characterized in that: the distance between the adjacent long transverse holes (10) is 10 mm.
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| CN201910957231.4A CN110632184B (en) | 2019-10-10 | 2019-10-10 | Ultrasonic phased array detection device and detection method for main cable saddle vertical friction plate welding seam |
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| CN201910957231.4A CN110632184B (en) | 2019-10-10 | 2019-10-10 | Ultrasonic phased array detection device and detection method for main cable saddle vertical friction plate welding seam |
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| CN110632184B CN110632184B (en) | 2024-06-11 |
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