CN112379002A - Small-size pressure vessel welding seam nondestructive test detection device - Google Patents
Small-size pressure vessel welding seam nondestructive test detection device Download PDFInfo
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- CN112379002A CN112379002A CN202011290347.6A CN202011290347A CN112379002A CN 112379002 A CN112379002 A CN 112379002A CN 202011290347 A CN202011290347 A CN 202011290347A CN 112379002 A CN112379002 A CN 112379002A
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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
- G01N29/26—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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- Pathology (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a nondestructive flaw detection device for welding seams of a small pressure container, which comprises a fixing ring and the pressure container to be detected, wherein annular welding seams and longitudinal welding seams are often distributed on the surface of the pressure container to be detected due to the limitation of welding technology and material shapes, three positioning devices are symmetrically distributed on the fixing ring about the geometric center of the cross section of the fixing ring, and a longitudinal moving device for detecting the longitudinal welding seams again is further arranged in each positioning device.
Description
Technical Field
The invention relates to the field, in particular to a nondestructive flaw detection device for a welding line of a small-sized pressure container.
Background
The nondestructive inspection of the welding seam refers to the inspection of whether the welding seam quality meets the specified requirements and the design intention by means of ultrasonic inspection, ray inspection, magnetic powder inspection or penetration inspection and the like under the condition of not damaging the performance and the integrity of the welding seam to be inspected, and the pressure container is easy to lose efficacy under the condition of defective welding seams, so that the equipment capable of automatically performing nondestructive inspection on the welding seam of the pressure container is significant.
Disclosure of Invention
In order to solve the above problems, the present embodiment provides a nondestructive testing apparatus for weld seam of small pressure vessel, comprising a fixing ring, a pressure vessel to be tested, wherein the surface of the pressure vessel to be tested is often distributed with an annular weld seam and a longitudinal weld seam due to the limitation of welding technology and material shape, three positioning devices are symmetrically distributed on the fixing ring about the geometric center of the cross section of the fixing ring, the positioning devices are further provided with a longitudinal moving device for detecting the longitudinal weld seam again, the positioning devices comprise two first fixed slide bars slidably connected in the fixing ring, an upper side thread plate is fixedly connected on the upper side of the first fixed slide bars, a fixed lead screw is connected in the upper side thread plate by screw threads, the lower side surface of the fixed lead screw is rotatably connected to the fixing ring, the upper side surface of the fixed lead screw is fixedly connected, and two spring fixing plates are, sliding connection has in the fixed version of spring fixed first slide bar, fixed first slide bar downside fixedly connected with clamp plate, the clamp plate in fixedly connected with fixed spring between the fixed version of spring, two fixed second poles of clamp plate downside fixedly connected with, it has fixed commentaries on classics piece to articulate on the fixed second pole, fixed commentaries on classics piece downside can with the pressure vessel that awaits measuring offsets, gu the fixed ring outside is equipped with and is used for providing the power device of power for equipment moving as a whole, gu the fixed ring trailing flank is equipped with the detection device who is used for ultrasonic wave nondestructive inspection.
But preferably, longitudinal movement device includes sliding connection has the slip ring in the fixed ring, fixedly connected with driving lever on the slip ring, the slip ring leading flank articulates there is solid fixed ring connecting rod, gu fixed ring connecting rod downside articulates there is the wheel connecting rod, the articulated piece of wheel connecting rod downside fixedly connected with, it is connected with the wheel to rotate in the articulated piece, the wheel can with the pressure vessel surface that awaits measuring offsets.
Preferably, the power device comprises two upper side fixing rods fixedly connected with the outer side surface of the fixing ring, a restraining sliding rod is slidably connected in the upper side fixing rods, a detection fixing rod is slidably connected on the restraining sliding rod, a detection ring is fixedly connected at the lower side of the detection fixing rod, a detection lower side fixing rod is fixedly connected at the lower side of the detection ring, a power screw rod is connected in the detection lower side fixing rod in a threaded manner, a motor is connected at the rear side of the power screw rod in a power manner, the detection device comprises the detection ring, a driving wheel and a driven wheel are supported on the detection ring, a driving wheel shaft is fixedly connected in the driving wheel, a driven wheel shaft is fixedly connected in the driven wheel, the driving wheel shaft and the driven wheel shaft are rotatably connected to the detection plate, a detection motor is fixedly connected at the front side surface of the, the detection power bevel gear is fixedly connected to the upper side of the detection power shaft, the detection execution unit is fixedly connected to the lower side face of the detection plate, and the detection execution unit can perform nondestructive inspection on a welding seam.
The invention has the beneficial effects that: the device can be fixed on the surface of a careful pressure vessel, the ring weld on the surface of the pressure vessel is subjected to ultrasonic nondestructive inspection by using the reloaded track, the longitudinal moving device can be used for performing ultrasonic nondestructive inspection on longitudinal welds distributed on the surface of the pressure vessel, the detection process of the device does not need manual intervention, and higher automation degree is realized.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a nondestructive testing device for weld joint of a small pressure vessel.
FIG. 2 is an enlarged view of a portion of FIG. 1.
FIG. 3 is a diagram illustrating the operation of the detecting device of the present invention.
FIG. 4 is an enlarged view of a portion of the invention shown at B in FIG. 1.
FIG. 5 is an enlarged view of a portion of FIG. 1 at C.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a nondestructive flaw detection device for welding seams of a small-sized pressure vessel, which comprises a fixed ring 11 and the pressure vessel 13 to be detected, wherein annular welding seams and longitudinal welding seams are often distributed on the surface of the pressure vessel 13 to be detected due to the limitation of welding technology and material shapes, three positioning devices are symmetrically distributed on the fixed ring 11 relative to the geometric center of the cross section of the fixed ring 11, a longitudinal moving device for detecting the longitudinal welding seams again is further arranged in each positioning device, each positioning device comprises two fixed first slide bars 25 which are connected in the fixed ring 11 in a sliding way, an upper side thread plate 22 is fixedly connected on the upper side of each fixed first slide bar 25, a fixed lead screw 24 is connected in each upper side thread plate 22 in a threaded way, the lower side surface of each fixed lead screw 24 is rotationally connected with the fixed ring 11, the upper side surface of each fixed lead screw 24 is fixedly connected with a, sliding connection has in the fixed version 26 of spring fixed first slide bar 25, fixed first slide bar 25 downside fixedly connected with clamp plate 28, clamp plate 28 in fixedly connected with fixed spring 27 between the fixed version 26 of spring, two fixed second poles 32 of 28 downside fixedly connected with of clamp plate, it has fixed commentaries on classics piece 33 to articulate on the fixed second pole 32, fixed commentaries on classics piece 33 downside can with the pressure vessel 13 that awaits measuring offsets, gu fixed 11 outsides of ring are equipped with and are used for providing the power device of power for equipment moving as a whole, gu fixed 11 trailing flank is equipped with the detection device who is used for ultrasonic wave nondestructive test.
Beneficially, the longitudinal moving device comprises a sliding ring 20 slidably connected in the fixing ring 11, a shift lever 49 fixedly connected on the sliding ring 20, a fixing ring connecting rod 21 hinged on the front side of the sliding ring 20, a wheel connecting rod 29 hinged on the lower side of the fixing ring connecting rod 21, a hinge block 31 fixedly connected on the lower side of the wheel connecting rod 29, a wheel 30 rotatably connected in the hinge block 31, and the wheel 30 can abut against the surface of the pressure container 13 to be measured.
Advantageously, the power device comprises two upper fixing rods 60 and 61 fixedly connected to the outer side of the fixing ring 11, a restraining slide rod 37 slidably connected to the upper fixing rod 60, a detecting fixing rod 36 slidably connected to the restraining slide rod 37, a detecting ring 34 fixedly connected to the lower side of the detecting fixing rod 36, a detecting lower fixing rod 45 fixedly connected to the lower side of the detecting ring 34, a power screw 46 threadedly connected to the detecting lower fixing rod 45, a motor 47 drivingly connected to the rear side of the power screw 46, the detecting device comprising the detecting ring 34, a driving wheel 38 and a driven wheel 43 supported on the detecting ring 34, a driving wheel shaft 39 fixedly connected to the driving wheel 38, a driven wheel shaft 44 fixedly connected to the driven wheel 43, the driving wheel shaft 39 and the driven wheel shaft 44 rotatably connected to the detecting plate 52, and a detecting motor 42 fixedly connected to the front side of the detecting plate 52, the detection motor 42 is connected with the detection power shaft 41 in a power mode, the detection power shaft 41 is fixedly connected with the detection power bevel gear 40 in the upper side, the detection plate 52 is fixedly connected with the detection execution unit 53 in the lower side face, and the detection execution unit 53 can carry out nondestructive inspection on a welding line.
The use steps herein are described in detail below with reference to fig. 1-5:
the initial state motor 47 is off.
When nondestructive inspection is required to be performed on longitudinal welding lines and circumferential welding lines on a pressure container 13 to be tested, the pressure container 13 to be tested is placed into the container 12, the three screw thread plates 23 are rotated to enable the upper side screw thread plate 22 to move in the radial direction, so that the first pressing and fixing slide rod 25 slides relative to the fixing ring 11, the two fixing springs 27 are stretched, the pressing plate 28 is enabled to press and fix the second rod 32 downwards, the two fixing rotating blocks 33 are enabled to abut against the surface of the pressure container 13 to be tested, the fixing rotating blocks 33 are enabled to enable clamping to be more stable, and the fixing rotating blocks 33 are enabled to rotate, so that clamping is completed;
pulling lever 49 by hand, causes slide ring 20 to rotate clockwise, causing fixed ring link 21 to press wheel link 29 to slide downward relative to platen 28, so that the wheels 30 are abutted against the surface of the pressure container 13 to be tested, the motor 47 is started, the power screw 46 is rotated, the two detection fixing rods 36 slide along the constraint slide rods 37, so that the detection ring 34 slides under the constraint of the constraint slide bar 37 and the power screw rod 46, the detection ring 34 moves to the girth welding position, the detection motor 42 is started to rotate the detection power shaft 41, thereby rotating the driving wheel shaft 39, so that the driving wheel 38 rotates, so that the detection plate 52 moves circularly along the surface of the detection ring 34 under the constraint of the driving wheel 38, the driven wheel 43 and the detection ring 34 as a whole, and the detection execution unit 53 is opened so that the detection execution unit 53 detects the girth weld;
when the longitudinal welding line on the surface of the pressure container 13 to be detected needs to be detected, the deflector rod 49 is pulled by hand, the wheel 30 is abutted against the surface of the pressure container 13 to be detected through the transmission, the detection motor 42 is started to enable the detection plate 52 to integrally move to the position of the longitudinal welding line, and the detection execution unit 53 is started while the motor 47 is started, so that the function of detecting the specified circumferential welding line is realized.
The invention has the beneficial effects that: the device can be fixed on the surface of a careful pressure vessel, the ring weld on the surface of the pressure vessel is subjected to ultrasonic nondestructive inspection by using the reloaded track, the longitudinal moving device can be used for performing ultrasonic nondestructive inspection on longitudinal welds distributed on the surface of the pressure vessel, the detection process of the device does not need manual intervention, and higher automation degree is realized.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a small-size pressure vessel welding seam nondestructive test detection device, includes solid fixed ring, its characterized in that: the device comprises a fixing ring and a pressure container to be detected, wherein annular welding seams and longitudinal welding seams are often distributed on the surface of the pressure container to be detected due to the limitation of welding technology and material shapes, three positioning devices are symmetrically distributed on the fixing ring relative to the geometric center of the cross section of the fixing ring, a longitudinal moving device used for detecting the longitudinal welding seams again is further arranged in each positioning device, each positioning device comprises two fixed first slide bars which are slidably connected in the fixing ring, an upper side thread plate is fixedly connected on the upper sides of the fixed first slide bars, a fixed lead screw is connected in each upper side thread plate in a threaded manner, the lower side face of each fixed lead screw is rotatably connected to the fixing ring, the upper side face of each fixed lead screw is fixedly connected with two spring fixing plates, each spring fixing plate is slidably connected with the fixed first slide bar, and a pressing plate is fixedly connected, the clamp plate in fixedly connected with fixed spring between the fixed version of spring, two fixed second poles of clamp plate downside fixedly connected with, it has fixed commentaries on classics piece to articulate on the fixed second pole, fixed commentaries on classics piece downside can with the pressure vessel that awaits measuring offsets, gu the fixed ring outside is equipped with the power device who is used for providing power for equipment moving as a whole, gu the fixed ring trailing flank is equipped with the detection device who is used for ultrasonic wave nondestructive test.
2. The nondestructive testing device for the weld joint of the small-sized pressure vessel according to claim 1, characterized in that: the vertical mobile device includes sliding connection has the slip ring in the stationary ring, fixedly connected with driving lever on the slip ring, the slip ring leading flank articulates there is solid fixed ring connecting rod, gu fixed ring connecting rod downside articulates there is the wheel connecting rod, the articulated piece of wheel connecting rod downside fixedly connected with, it is connected with the wheel to rotate in the articulated piece, the wheel can with the pressure vessel surface that awaits measuring offsets.
3. The nondestructive testing device for the weld joint of the small-sized pressure vessel according to claim 1, characterized in that: the power device comprises two upper side fixing rods fixedly connected with the outer side surfaces of the fixing rings, a restraining sliding rod is connected in the upper side fixing rods in a sliding manner, a detection fixing rod is connected on the restraining sliding rod in a sliding manner, a detection ring is fixedly connected to the lower side of the detection fixing rod, a detection lower side fixing rod is fixedly connected to the lower side of the detection ring, a power lead screw is connected in the detection lower side fixing rod in a threaded manner, a motor is connected to the rear side of the power lead screw in a power manner, the detection device comprises the detection ring, a driving wheel and a driven wheel are supported on the detection ring, a driving wheel shaft is fixedly connected in the driving wheel, a driven wheel shaft is fixedly connected in the driven wheel, the driving wheel shaft and the driven wheel shaft are rotatably connected to a detection plate, a detection motor is fixedly, the detection power bevel gear is fixedly connected to the upper side of the detection power shaft, the detection execution unit is fixedly connected to the lower side face of the detection plate, and the detection execution unit can perform nondestructive inspection on a welding seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290347.6A CN112379002A (en) | 2020-11-17 | 2020-11-17 | Small-size pressure vessel welding seam nondestructive test detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011290347.6A CN112379002A (en) | 2020-11-17 | 2020-11-17 | Small-size pressure vessel welding seam nondestructive test detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112379002A true CN112379002A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011290347.6A Withdrawn CN112379002A (en) | 2020-11-17 | 2020-11-17 | Small-size pressure vessel welding seam nondestructive test detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN112379002A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484494A (en) * | 2021-06-11 | 2021-10-08 | 浙江机电职业技术学院 | Nondestructive testing device for metal shaft body |
| CN114487298A (en) * | 2022-02-07 | 2022-05-13 | 淄博市特种设备检验研究院 | Adjustable pressure container nondestructive inspection device and using method thereof |
| CN115077806A (en) * | 2022-08-22 | 2022-09-20 | 山东福尔特种设备有限公司 | Nondestructive rapid detection device for welding seam of pressure vessel |
-
2020
- 2020-11-17 CN CN202011290347.6A patent/CN112379002A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113484494A (en) * | 2021-06-11 | 2021-10-08 | 浙江机电职业技术学院 | Nondestructive testing device for metal shaft body |
| CN114487298A (en) * | 2022-02-07 | 2022-05-13 | 淄博市特种设备检验研究院 | Adjustable pressure container nondestructive inspection device and using method thereof |
| CN114487298B (en) * | 2022-02-07 | 2022-09-02 | 淄博市特种设备检验研究院 | Adjustable pressure container nondestructive inspection device and using method thereof |
| CN115077806A (en) * | 2022-08-22 | 2022-09-20 | 山东福尔特种设备有限公司 | Nondestructive rapid detection device for welding seam of pressure vessel |
| CN115077806B (en) * | 2022-08-22 | 2022-11-08 | 山东福尔特种设备有限公司 | Nondestructive rapid detection device for welding seam of pressure vessel |
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Application publication date: 20210219 |