CN118032933B - Ultrasonic nondestructive testing device for welding seam of steel structure - Google Patents
Ultrasonic nondestructive testing device for welding seam of steel structure Download PDFInfo
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- CN118032933B CN118032933B CN202410430388.2A CN202410430388A CN118032933B CN 118032933 B CN118032933 B CN 118032933B CN 202410430388 A CN202410430388 A CN 202410430388A CN 118032933 B CN118032933 B CN 118032933B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 87
- 239000010959 steel Substances 0.000 title claims abstract description 87
- 238000003466 welding Methods 0.000 title claims abstract description 27
- 238000009659 non-destructive testing Methods 0.000 title claims description 18
- 238000001514 detection method Methods 0.000 claims abstract description 82
- 238000012360 testing method Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 17
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 230000001066 destructive effect Effects 0.000 claims 4
- 239000000463 material Substances 0.000 description 11
- 230000007547 defect Effects 0.000 description 6
- 238000012372 quality testing Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/225—Supports, positioning or alignment in moving situation
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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
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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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
- G01N2291/269—Various geometry objects
- G01N2291/2698—Other discrete objects, e.g. bricks
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- 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)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention relates to the field of steel structure quality detection, in particular to an ultrasonic nondestructive detection device for a welding line of a steel structure, which comprises a frame, a workbench surface, a steel pipe fixing device and an ultrasonic nondestructive detection device, wherein the steel pipe fixing device and the ultrasonic nondestructive detection device are fixedly arranged on the workbench surface, the steel pipe fixing device comprises a first fixing upright post and a second fixing upright post which are respectively arranged at the left end and the right end of the workbench surface, the ultrasonic nondestructive detection device comprises a third fixing upright post, a fourth fixing upright post, a supporting beam, a first ultrasonic detection structure and a second ultrasonic detection structure, and the problem that the conventional steel structure quality detection device is difficult to be applied to quality detection of large steel structures, such as steel pipes and steel products in the building industry is solved.
Description
Technical Field
The invention relates to the field of steel structure quality detection, in particular to an ultrasonic nondestructive detection device for a welding line of a steel structure.
Background
Steel structures are structures composed of steel materials, and are one of the main types of building structures. The structure mainly comprises steel beams, steel columns, steel trusses and other components made of section steel, steel plates and the like, and rust removal and prevention processes such as silanization, pure manganese phosphating, washing, drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because the self weight is lighter, and the construction is simple, the method is widely applied to the fields of large-scale factory buildings, venues, super high-rise buildings, bridges and the like. Steel structures are prone to rust, and generally steel structures are subject to rust removal, galvanization or paint and periodic maintenance.
The steel has high strength, light dead weight, good overall rigidity and strong deformation resistance, so the steel is particularly suitable for building large-span and super-high and super-heavy buildings; the material has good homogeneity and isotropy, belongs to an ideal elastomer, and is most in line with the basic assumption of general engineering mechanics; the material has good plasticity and toughness, can deform greatly, and can bear dynamic load well; the construction period is short; the method has the advantages that the industrialization degree is high, specialized production with high mechanization degree can be performed, the steel materials in the steel structure building are connected in a welding mode, the welding is a manufacturing process and technology for jointing metal or other thermoplastic materials such as plastics in a heating, high-temperature or high-pressure mode, and the steel materials in the steel structure building are required to bear very high pressure, and the bearing capacity and the house safety of the steel materials are directly hooked, so that the welding seam of the joint between the steel materials is required to be subjected to strict quality detection, and the quality of a finished product building is ensured.
The invention patent with the Chinese patent application number 202310263266.4 discloses a steel pipe welding seam quality detection device, the problem that whether welding seams and weak areas exist or not is not easy to detect when steel pipes are welded is solved, meanwhile, the welding parts connected through a T-shaped structure are mainly solved, the welding parts are convenient to place and take out, the automatic positioning and detection functions are achieved after the welding parts are placed, the automatic positioning and detection device comprises an air pressure conveying pipe, the air pressure conveying pipe is connected to the inside of a detection part through a one-way conduction structure, the detection part comprises an attitude adjustment structure, the tail end of the attitude adjustment structure is provided with an expansion blocking structure, the attitude adjustment structure comprises a hollow supporting rod, a two-way driving motor is arranged in the middle of the hollow supporting rod, the expansion blocking structure driven by the two-way driving motor is fixedly connected to the two ends of the hollow supporting rod, air pressure conveying is carried out after blocking is finished, and air pressure is used for detection. The technical scheme provided by the invention is that the detection device is required to be placed in the steel pipe, and then the weld joint quality is detected in a mode of filling air pressure in the air detection pipe, but obviously, the detection content is limited, and the weld joint quality can be detected only in a mode of detecting the air pressure.
Disclosure of Invention
Therefore, in order to solve the problems, the invention provides the ultrasonic nondestructive testing device for the welding seam of the steel structure, which solves the problem that the existing steel structure quality testing device is difficult to be applied to quality testing of large-scale steel structural members, such as steel pipes and steel products in the building industry.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
An ultrasonic nondestructive testing device for a welding line of a steel structure comprises a frame, a workbench surface, a steel pipe fixing device fixedly arranged on the workbench surface and an ultrasonic nondestructive testing device;
The frame is fixedly connected with the working table surface;
the steel pipe fixing device comprises a first fixing upright post and a second fixing upright post which are respectively arranged at the left end and the right end of the workbench surface, the horizontal heights of the first fixing upright post and the second fixing upright post are the same, a first fastening device is arranged on one side surface of the first fixing upright post, which is close to the second fixing upright post, the first fastening device comprises an electric telescopic rod and a rotary disc arranged at the tail end of the free end of the electric telescopic rod, the electric telescopic rod can stretch and retract along the axis direction of the electric telescopic rod and rotate 360 degrees by taking the axis of the electric telescopic rod as a rotary shaft, a containing groove is formed in the rotary disc, a universal rotary head is embedded in the containing groove, a first claw is fixedly arranged on the universal rotary head, and the first claw rotates on the rotary disc through the universal rotary head;
A second fastening device is arranged on one side surface, close to the first fixing upright post, of the second fixing upright post, the second fastening device comprises a cylindrical fastening protrusion and a supporting protrusion arranged on the outer circumferential side surface of the fastening protrusion, and the fastening protrusion can rotate 360 degrees along the axis direction of the fastening protrusion;
The ultrasonic nondestructive testing device comprises a third fixed upright post, a fourth fixed upright post, a supporting beam, a first ultrasonic testing structure and a second ultrasonic testing structure, wherein the third fixed upright post and the first fixed upright post are arranged on the same side, the fourth fixed upright post and the second fixed upright post are arranged on the same side, the supporting beam is erected on the top of the third fixed upright post and the top of the fourth fixed upright post, the supporting beam is parallel to the connecting line of the third fixed upright post and the fourth fixed upright post, a sliding track is arranged on the supporting beam, the first ultrasonic testing structure and the second ultrasonic testing structure are arranged on the supporting beam through clamping, and the first ultrasonic testing structure and the second ultrasonic testing structure are suspended right above the connecting line of the first fixed upright post and the second fixed upright post.
Further, the accommodating groove is eccentrically arranged on the rotating disc, and the linear distance between the accommodating groove and the central position of the rotating disc is 5cm-8cm.
Further, the supporting protrusions are of a block-shaped structure, and the supporting protrusions are circumferentially arranged on the outer circumferential surfaces of the fastening protrusions and close to the free end tips of the fastening protrusions.
Further, each supporting protrusion can independently extend outwards or retract inwards, when the supporting protrusion is in an initial state, the height of the supporting protrusion is 3cm-5cm, and the movable travel range of the supporting protrusion is 3cm outwards or 3cm inwards.
Further, the first ultrasonic detection structure is the same as the second ultrasonic detection structure in structure, the first ultrasonic detection structure comprises a movable base, a connecting plate, a connecting rod and an annular detection ring, the movable base and the sliding rail are clamped with each other and move back and forth along the length direction of the supporting beam, the connecting plate is arranged on the movable base, the connecting rod is arranged on the connecting plate, the annular detection ring is rotatably arranged on the connecting rod and is close to one end part of the working table surface, and a detection probe is arranged on the inner circumferential side surface of the annular detection ring in a surrounding manner.
Further, the connecting plate comprises a first connecting plate, a second connecting plate and a third connecting plate from top to bottom, the first connecting plate, the second connecting plate and the third connecting plate are parallel to each other and are parallel to a horizontal plane, the distance between the first connecting plate and the second connecting plate is equal to the distance between the second connecting plate and the third connecting plate, the connecting rods respectively penetrate through the first connecting plate, the second connecting plate and the third connecting plate, and the connecting rods can lift up and down along the axis direction of the connecting rods.
Further, the second connecting plate and the third connecting plate are fixedly arranged on the movable base in a welding mode, the first connecting plate is movably arranged on the movable base and can move up and down in the vertical direction, and the moving stroke is 3cm-5cm.
Further, the annular detection ring is of an annular structure, and the inner diameter of the annular detection ring is 30cm-35cm.
Further, in the initial state, the annular detection ring is perpendicular to the connecting line of the first fixed upright post and the second fixed upright post.
Further, a plane formed by the two connecting rods is defined as an X plane, a plane which is perpendicular to the horizontal plane and perpendicular to the X plane is defined as a Y plane, and an included angle between the annular detection ring and the X plane in the rotation process is 75-90 degrees, and an included angle between the annular detection ring and the Y plane is 0-25 degrees.
By adopting the technical scheme, the invention has the beneficial effects that:
1. Compared with the existing steel structure welding seam ultrasonic nondestructive testing device, the ultrasonic nondestructive testing device has the advantages that nondestructive quality testing can be conducted on steel structure accessories with larger specifications, and particularly, the steel pipe with thicker pipe wall can conduct complete detection on possible defects, and specifically, the ultrasonic nondestructive testing device comprises the following steps: the steel pipe fixing device is arranged on the workbench surface to fix the steel pipe to be detected, the traditional ultrasonic detection instrument which needs manual holding is abandoned to detect the steel structural member back and forth, the first fixing upright post is provided with the first fastening device, the first fastening device comprises an electric telescopic rod and a rotating disc, the steel structural members with different lengths can be adapted to the steel structural members with different lengths through the expansion and contraction of the electric telescopic rod, the steel structural members with different lengths can be fixed by the top of the first fastening device, the rotating disc is used for driving the steel structural members to rotate, the steel structural members are guaranteed to be detected comprehensively, the accommodating groove is formed in the rotating disc, the universal rotating head is embedded in the accommodating groove, and the first clamping jaw is fixedly connected with the universal rotating head, and the structure is mainly characterized in that the steel structure is of a rigid structure and interference with equipment in the rotating process is avoided; the ultrasonic nondestructive testing device comprises a first ultrasonic testing structure and a second ultrasonic testing structure which are identical in structure, the first ultrasonic testing structure and the second ultrasonic testing structure are sleeved from top to bottom, steel pipes are sleeved from outside, ultrasonic waves are sent out from the outside to conduct quality survey on the structures between the outer side wall and the inner side wall of the steel pipes and the structures on the surfaces of the inner side walls, through strong penetrating power of the ultrasonic waves, various defects at welding seams of the steel pipes can be detected through images fed back by the ultrasonic nondestructive testing device, the principle is that ultrasonic vibration and medium propagation are utilized, energy is collected from multiple directions, vibration penetrating through the medium is collected, the vibration is converted into sound waves, multiple physical phenomena such as refraction or reflection occur in the medium surface of the sound waves, whether damage exists in the welding seams is detected, and in industrial detection, the ultrasonic frequency for detection is mainly between 0.425 MHz. The fine material and the high sensitive material are mainly detected by high frequency sound waves, and the coarse and obviously attenuated material is detected by low frequency sound waves. When the ultrasonic wave enters the object and encounters a defect, a part of sound waves are reflected, the reflected waves can be analyzed by the emitter and the receiver, the defect can be accurately measured, the position and the size of the internal defect can be displayed, and the thickness of the material can be measured.
2. The holding groove adopts eccentric setting on the rotary disk, and then guaranteed to set up universal rotating head and the first jack catch in the holding inslot also be eccentric setting, so structural design can guarantee that steel structure rotates because eccentric effect its not be on a parallel with the horizontal plane and rotates rather than rotating with the state of slope in the horizontal plane at the in-process that rotates the detection, so can make steel structure's welding seam position detect with the slope state equally, to the great steel pipe of thickness thicker surface area, adopt slope normal running fit ultrasonic detection device can promote detection efficiency, its principle lies in that the steel pipe rotates in the slope gesture can guarantee in the unit time, the slope gesture is compared with the horizontal gesture, its detection area is bigger, can guarantee that there is bigger detection area in the unit time, and then can shorten detection time.
3. Through being provided with the supporting bulge on the fastening bulge, wherein the fastening bulge is the fixed establishment of steel structure opposite side, and the supporting bulge can the inner circumference surface of direct contact steel structure, and the supporting bulge adopts harder rubber piece, can enough provide stable supporting performance simultaneously can guarantee that the inner circumference surface of steel structure can not receive the damage to the frictional force that it provided can avoid steel structure to rotate the in-process and take place to slide.
4. Each supporting bulge can independently outwards stretch out or inwards retract, the purpose is also to avoid interference in the working process, the steel structural part is of a hollow cylindrical structure, the fastening bulge is of a cylindrical bulge, when the steel structural part deflects and rotates, the supporting bulge in direct contact needs to be flexibly and independently telescopic to offset the offset of the steel structural part, and meanwhile the characteristic that the supporting bulge can be telescopic can also adapt to the steel structural parts with different inner diameters.
5. Through being provided with the same first ultrasonic detection structure of structure and second ultrasonic detection structure, be the same as two stations and carry out quality testing to a plurality of welding seams on the same steel structure, promoted work efficiency to two ultrasonic detection mechanisms homoenergetic are along supporting beam's length direction round trip movement, have guaranteed to detect the in-process and need not to remove steel structure, reduce manual work volume and be applicable to the inconvenient steel structure of removal simultaneously.
6. Through being provided with the connecting plate, the connecting plate includes first connecting plate, second connecting plate and third connecting plate, wherein first connecting plate can reciprocate, it has decided the steady support demand to the connecting rod, receive first connecting plate, second connecting plate and third connecting plate three's restriction simultaneously promptly, when first connecting plate is close to the second connecting plate, its constraint is corresponding weakens, when first connecting plate is kept away from the second connecting plate, its constraint is corresponding reinforcing, a straight line can be confirmed to the two points, the connecting rod is fixed through second connecting plate and di third connecting plate mainly promptly, first connecting plate mainly can eliminate the connecting rod and drive the vibration that annular detection ring produced at the round trip movement in-process, and then reduce the error.
7. The annular detection ring is perpendicular to the connecting line of the first fixed upright post and the second fixed upright post in the working process, the annular detection ring is sleeved on the outer circumferential surface of the steel structural member, through emitting ultrasonic waves from outside to inside, the acoustic waves are refracted or reflected in the medium surface and other physical phenomena, whether damage exists in the welding line is detected, the annular detection ring can deflect in the working process, the purpose of deflection is mainly to cater for the steel structural member rotating in a deflection mode, the annular detection ring can deflect on an X plane and a Y plane at the same time, the detection surface of the annular detection ring follows the deflection in the deflection process, the area coverage of 'scanning' of the steel structural member in unit time is realized, the detection efficiency is improved on one hand, the detection is more complete on the other hand, and the welding line with wider width can be subjected to one-time complete scanning detection.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the front structure of the present invention;
FIG. 3 is a schematic view of a first stationary post structure according to the present invention;
FIG. 4 is a schematic view of a second stationary post structure according to the present invention;
FIG. 5 is a schematic perspective view of a first ultrasonic inspection structure according to the present invention;
FIG. 6 is a schematic view of the deflection state of the X plane of the annular detection ring in the invention;
FIG. 7 is a schematic view of the Y-plane deflection state of the annular sensing ring of the present invention;
fig. 8 is a schematic view of a detection process of a steel structural member in the invention.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1-8, the invention provides an ultrasonic nondestructive testing device for a welding seam of a steel structure, which comprises a frame 1, a workbench surface 2, a steel pipe fixing device fixedly arranged on the workbench surface 2 and an ultrasonic nondestructive testing device;
The frame 1 is fixedly connected with the working table surface 2;
The steel pipe fixing device comprises a first fixing upright post 3 and a second fixing upright post 4 which are respectively arranged at the left end and the right end of the workbench surface 2, the horizontal heights of the first fixing upright post 3 and the second fixing upright post 4 are the same, a first fastening device is arranged on one side surface of the first fixing upright post 3, which is close to the second fixing upright post 4, the first fastening device comprises an electric telescopic rod 31 and a rotating disc 32 which is arranged at the tail end of the free end of the electric telescopic rod 31, the electric telescopic rod 31 can stretch and retract along the axial direction of the electric telescopic rod and rotate for 360 degrees by taking the axial line of the electric telescopic rod as a rotating shaft, an accommodating groove 35 is formed in the rotating disc 32, a universal rotating head 33 is embedded in the accommodating groove 35, a first claw 34 is fixedly arranged on the universal rotating head 33, and the first claw 34 rotates on the rotating disc 32 through the universal rotating head 33;
A second fastening device is arranged on one side surface, close to the first fixing upright post 3, of the second fixing upright post 4, the second fastening device comprises a cylindrical fastening protrusion 41 and a supporting protrusion 42 arranged on the outer circumferential side surface of the fastening protrusion 41, and the fastening protrusion 41 can rotate 360 degrees along the axis direction of the second fastening protrusion;
The ultrasonic nondestructive testing device comprises a third fixed upright 5, a fourth fixed upright 6, a supporting beam 7, a first ultrasonic testing structure 8 and a second ultrasonic testing structure, wherein the third fixed upright 5 and the first fixed upright 3 are arranged on the same side, the fourth fixed upright 6 and the second fixed upright 4 are arranged on the same side, the supporting beam 7 is erected on the top of the third fixed upright 5 and the fourth fixed upright 6, the supporting beam 7 is parallel to the connecting line of the third fixed upright 5 and the fourth fixed upright 6, a sliding track 71 is arranged on the supporting beam 7, the first ultrasonic testing structure 8 and the second ultrasonic testing structure are arranged on the supporting beam 7 through clamping, and the first ultrasonic testing structure 8 and the second ultrasonic testing structure are hung right above the connecting line of the first fixed upright 3 and the second fixed upright 4.
The accommodating groove 35 is eccentrically arranged on the rotating disc 32, the straight line distance between the center point of the accommodating groove and the center position of the rotating disc 32 is 5cm, the supporting protrusions 42 are of a block structure, the supporting protrusions 42 are circumferentially arranged on the outer circumferential surface of the fastening protrusions 41 and are close to the tail ends of the free ends of the fastening protrusions 41, the supporting protrusions 42 are hard rubber blocks, each supporting protrusion 42 can independently extend outwards or retract inwards of the fastening protrusions 41, when the supporting protrusions 42 are in an initial state, the protrusion height of each supporting protrusion 42 is 3cm, and the movable travel range of each supporting protrusion 42 is 3cm outwards extending or 3cm inwards retracting.
The structure of the first ultrasonic detection structure 8 is the same as that of the second ultrasonic detection structure, the first ultrasonic detection structure 8 comprises a movable base 81, a connecting plate, a connecting rod 82 and an annular detection ring 86, the movable base 81 and the sliding rail 71 are clamped with each other and move back and forth along the length direction of the supporting beam 7, the connecting plate is arranged on the movable base 81, the connecting rod 82 is arranged on the connecting plate, the annular detection ring 86 is rotatably arranged on the connecting rod 82 and is close to one end part of the workbench surface 2, a detection probe is arranged on the inner circumferential side surface of the annular detection ring 86 in a surrounding manner, the detection probe is arranged in the annular detection ring 86, and ultrasonic waves are emitted by the detection probe to scan and detect weld defects, which is not repeated in this description.
The connecting plates comprise a first connecting plate 83, a second connecting plate 84 and a third connecting plate 85 from top to bottom, the first connecting plate 83, the second connecting plate 84 and the third connecting plate 85 are parallel to each other and parallel to the horizontal plane, the distance between the first connecting plate 83 and the second connecting plate 84 is equal to the distance between the second connecting plate 84 and the third connecting plate 85, the connecting rod 82 respectively penetrates through the first connecting plate 83, the second connecting plate 84 and the third connecting plate 85, the connecting rod 82 can be vertically lifted along the axis direction of the connecting rod 82 to adjust the length, the second connecting plate 84 and the third connecting plate 85 are fixedly arranged on the movable base 81 in a welding mode, the first connecting plate 83 is movably arranged on the movable base 81 and can vertically move in the vertical direction, the moving stroke is 3cm, the annular detecting ring 86 is of an annular structure, the inner diameter of the annular detecting ring 86 is 35cm, and the annular detecting ring 86 is perpendicular to the first fixed stand column 3 and the second fixed stand column 4 in the initial state.
The plane formed by the two connecting rods 82 is defined as an X plane, the plane which is perpendicular to the horizontal plane and perpendicular to the X plane is defined as a Y plane, the included angle between the annular detection ring 86 and the X plane is 75-90 degrees in the rotation process, the included angle between the annular detection ring 86 and the Y plane is 0-25 degrees, and the annular detection ring 86 sleeves the steel pipe 9 and detects the ultrasonic quality of the welding seam 91 in the working process.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a be used for steel construction welding seam ultrasonic wave nondestructive test device which characterized in that: the ultrasonic nondestructive testing device comprises a frame, a workbench surface, a steel tube fixing device and an ultrasonic nondestructive testing device, wherein the steel tube fixing device and the ultrasonic nondestructive testing device are fixedly arranged on the workbench surface;
The frame is fixedly connected with the working table surface;
The steel pipe fixing device comprises a first fixing upright post and a second fixing upright post which are respectively arranged at the left end and the right end of the workbench surface, the horizontal heights of the first fixing upright post and the second fixing upright post are the same, a first fastening device is arranged on one side surface of the first fixing upright post, which is close to the second fixing upright post, the first fastening device comprises an electric telescopic rod and a rotating disc arranged at the tail end of the free end of the electric telescopic rod, the electric telescopic rod can stretch out and draw back along the axis direction of the electric telescopic rod and rotate 360 degrees by taking the axis of the electric telescopic rod as a rotating shaft, a containing groove is arranged on the rotating disc, a universal rotating head is embedded in the containing groove, a first claw is fixedly arranged on the universal rotating head and rotates on the rotating disc through the universal rotating head, and the containing groove is eccentrically arranged on the rotating disc and has a linear distance of 5cm-8cm from the central position of the rotating disc;
A second fastening device is arranged on one side surface, close to the first fastening upright post, of the second fastening upright post, the second fastening device comprises a cylindrical fastening protrusion and a supporting protrusion arranged on the outer circumferential side surface of the fastening protrusion, the fastening protrusion can rotate 360 degrees along the axial direction of the fastening protrusion, the supporting protrusion is of a block structure, the supporting protrusion is arranged on the outer circumferential surface of the fastening protrusion in a surrounding manner and is close to the tail end of the free end of the fastening protrusion, each supporting protrusion can independently extend outwards or retract inwards to the fastening protrusion, when the supporting protrusion is in an initial state, the protrusion height of the supporting protrusion is 3cm-5cm, and the movable travel range of the supporting protrusion extends outwards or retracts inwards by 3cm;
The ultrasonic nondestructive testing device comprises a third fixed upright post, a fourth fixed upright post, a supporting beam, a first ultrasonic testing structure and a second ultrasonic testing structure, wherein the third fixed upright post and the first fixed upright post are arranged on the same side, the fourth fixed upright post and the second fixed upright post are arranged on the same side, the supporting beam is erected on the tops of the third fixed upright post and the fourth fixed upright post, the supporting beam is parallel to a connecting line of the third fixed upright post and the fourth fixed upright post, a sliding track is arranged on the supporting beam, the first ultrasonic testing structure and the second ultrasonic testing structure are arranged on the supporting beam through being clamped on the sliding track, and the first ultrasonic testing structure and the second ultrasonic testing structure are suspended right above the connecting line of the first fixed upright post and the second fixed upright post;
The structure of first ultrasonic detection structure with second ultrasonic detection structure is the same, first ultrasonic detection structure includes removal base, connecting plate, connecting rod and annular detection ring, remove the base with slide the track each other block put and follow supporting beam's length direction round trip movement, the connecting plate set up in on the removal base, the connecting rod set up in on the connecting plate, annular detection ring rotationally set up in be close to on the connecting rod table surface's one end tip, annular detection ring's interior circumference side encircles and is provided with the test probe, the connecting plate includes top-down first connecting plate, second connecting plate and third connecting plate, first connecting plate the second connecting plate with be parallel to each other between the third connecting plate and all be parallel to the horizontal plane, first connecting plate to distance between the second connecting plate equals second connecting plate to the distance of third connecting plate, the connecting rod passes respectively first connecting plate the second connecting plate with the third connecting plate, the connecting rod can be followed self axis direction and upwards and downwards.
2. An ultrasonic non-destructive inspection apparatus for a weld joint of a steel structure according to claim 1, wherein: the second connecting plate and the third connecting plate are fixedly arranged on the movable base in a welding mode, the first connecting plate is movably arranged on the movable base and can move up and down in the vertical direction, and the moving stroke is 3cm-5cm.
3. An ultrasonic non-destructive inspection apparatus for a weld joint of a steel structure according to claim 2, wherein: the annular detection ring is of an annular structure, and the inner diameter of the annular detection ring is 30cm-35cm.
4. An ultrasonic non-destructive inspection apparatus for a weld joint of a steel structure according to claim 3, wherein: the annular detection ring is perpendicular to the connecting line of the first fixed upright post and the second fixed upright post in the initial state.
5. An ultrasonic non-destructive inspection apparatus for a weld joint of a steel structure according to claim 4, wherein: and defining a plane formed by two connecting rods as an X plane, and simultaneously, defining a plane which is perpendicular to the horizontal plane and is perpendicular to the X plane as a Y plane, wherein an included angle between the annular detection ring and the X plane in the rotation process is 75-90 degrees, and an included angle between the annular detection ring and the Y plane is 0-25 degrees.
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| CN119470643B (en) * | 2025-01-08 | 2025-04-08 | 四川交通职业技术学院 | A tunnel lining structure crack acoustic wave detection device and method |
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