CN109596799B - Weld joint detection device - Google Patents
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- CN109596799B CN109596799B CN201811520420.7A CN201811520420A CN109596799B CN 109596799 B CN109596799 B CN 109596799B CN 201811520420 A CN201811520420 A CN 201811520420A CN 109596799 B CN109596799 B CN 109596799B
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- 238000001514 detection method Methods 0.000 title claims abstract description 134
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- 238000003466 welding Methods 0.000 claims abstract description 60
- 239000000758 substrate Substances 0.000 claims abstract description 21
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/20—Metals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
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Abstract
A welding seam detection device relates to the field of pipeline detection. The welding seam detection device comprises a substrate, a support column, a cross beam, a connecting rod, a camera, a laser pen and a detection assembly, wherein the detection assembly comprises two groups of detection heads. The detection head comprises a sliding rail, a sliding block and a probe. The support posts are respectively arranged at four corners of the substrate. The cross beams are arranged in parallel and are respectively arranged at two ends of the base plate, and the cross beams are connected between the struts. The connecting rods are arranged in parallel and connected between the cross beams. Each connecting rod is connected with a detection assembly, and two groups of detection heads of each detection assembly are arranged at intervals. The sliding block is slidably matched with the sliding rail, the sliding block is fixedly connected with the connecting rod, the probe is connected to the end part of the sliding rail, which is far away from the base plate, and a tension spring is connected between the end of the sliding rail, which is close to the base plate, and the sliding block. The rollers are arranged at two ends of the cross beam, and the axes of rotation of the rollers are parallel to the connecting rod. The camera and the laser pen are both arranged on the substrate and are arranged towards the probe. The method has high measurement accuracy and can rapidly and accurately carry out comprehensive detection on the welding seam.
Description
Technical Field
The invention relates to the field of pipeline detection, in particular to a welding seam detection device.
Background
In the existing welding seam detection device, a part of the structure is simpler, the cost is lower, but the detection precision is very limited, and the use is very inconvenient. And the detection precision of the other part is high, and the use is quick and convenient, but the structure is complex, the production difficulty is high, and the cost is high.
Disclosure of Invention
The invention aims to provide a welding seam detection device which has the advantages of high measurement precision, convenience and rapidness in measurement, capability of rapidly and accurately detecting welding seams comprehensively and effectively, simple structure, low production cost and suitability for popularization and use.
Embodiments of the present invention are implemented as follows:
a weld inspection device, comprising: base, guide rail, elevating platform, stand, first branch, second branch, regulation pole and weld detection end. The guide rail is perpendicular to the base, and the lifting platform is slidably matched with the guide rail. The base is also provided with a first screw rod parallel to the guide rail and a first power device in transmission connection with the first screw rod, and the first screw rod is in transmission fit with the lifting table. The welding seam detection end head comprises a substrate, a support column, a cross beam, a connecting rod, a camera, a laser pen and a detection assembly, wherein the detection assembly comprises two groups of detection heads. The detection head comprises a sliding rail, a sliding block and a probe.
The upright post is erected on the lifting platform and arranged along the height direction, and the adjusting rod is perpendicular to the upright post and extends from the lifting platform to the outer part of the lifting platform. One end of the first supporting rod is hinged to the upright post, and the other end of the first supporting rod is connected to the base plate. One end of the second supporting rod is hinged to the first supporting rod, and the other end of the second supporting rod is detachably connected to the adjusting rod so as to support the first supporting rod. The support is 4, and 4 support divide are located the four corners of keeping away from first branch one side of base plate. The crossbeam is 2, and 2 crossbeams parallel arrangement and divide to locate the opposite both ends of base plate, and the crossbeam is connected between two pillars. The connecting rods are arranged in parallel at intervals and are connected between the two cross beams. Every connecting rod all is connected with detection component, and two sets of detection heads of every detection component all set up along the axial interval of connecting rod, and detection component is sharp array along the direction of perpendicular to connecting rod and arranges. The sliding block is slidably matched with the sliding rail, the sliding block is fixedly connected with the connecting rod, the sliding rail is perpendicular to the base plate, the probe is connected to the end part of the sliding rail, far away from one end of the base plate, and a tension spring is connected between one end, close to the base plate, of the sliding rail and the sliding block. The two groups of probes of each detection assembly are arranged towards one side far away from the substrate and extend towards the space between the two probes. The both ends of crossbeam all are equipped with the gyro wheel, and the gyro wheel is located the crossbeam and keeps away from base plate one side, and the axis of rotation of gyro wheel is all parallel to the connecting rod. The camera and the laser pen are both arranged on the substrate and are arranged towards the probe.
Further, along the axial direction of the connecting rod, the distance between the two groups of detection heads of each detection assembly is equal, the midpoint of the shortest connecting line between the two groups of detection heads is taken as a preset point, and the preset points of the detection assemblies are all positioned on the same straight line and the straight line is perpendicular to the connecting rod. The axes of the camera and the laser pen are perpendicular to the straight line and intersect with the straight line.
Further, a through hole is formed in one end, close to the adjusting rod, of the second supporting rod, a plurality of screw holes which are uniformly arranged at intervals are formed in the adjusting rod along the axial direction of the adjusting rod, and the second supporting rod is detachably connected with the adjusting rod through a screw rod.
Further, the lifting platform is also provided with a second screw rod and a second power device in transmission connection with the second screw rod, the second screw rod is arranged along the width direction of the guide rail, the second screw rod is parallel to the connecting rod, and the upright post is in threaded fit with the second screw rod.
Further, the first power device and the second power device are servo motors.
Further, the base is provided with a universal wheel with a brake and a parking mechanism.
Further, the base is also provided with a calibrating device for calibrating the probe, and the calibrating device and the adjusting rod are respectively arranged at two sides of the guide rail. The first support rod rotates relative to the upright post and is provided with a first rotation dead point and a second rotation dead point. When the first supporting rod is positioned at the first rotation dead point, the first supporting rod is supported by the second supporting rod which is detachably connected with the adjusting rod. When the first support rod is positioned at the second rotation dead point, the probe is attached to the calibrating device.
Further, the base is also provided with a water tank and a water pump, and a water outlet of the water pump is connected to the probe through a water pipe so as to cool the probe.
Further, hooks for hanging and carrying the cable are arranged on two sides of the base.
The embodiment of the invention has the beneficial effects that:
when the welding seam detection device provided by the embodiment of the invention detects the welding seam, the first screw rod drives the lifting platform to slide along the guide rail by controlling the first power device, so that the height of the lifting platform is adapted to the height of the corresponding steel pipe to be detected, and the welding seam detection end can smoothly and accurately detect the steel pipe to be detected. The first support rod and the second support rod are utilized to support the welding seam detection end, so that the welding seam detection end can stably detect the steel pipe to be detected. After the detection is finished, the second supporting rod can be detached from the adjusting rod, so that the first supporting rod rotates towards one side close to the ground, and the probe is convenient to clean.
When detecting, after the position of the lifting table is adjusted properly, the roller of the welding line detection end is attached to the surface of the steel pipe to be detected, the axial lead of the steel pipe to be detected is kept parallel to the axial lead of the roller, at the moment, the probe is attached to the surface of the steel pipe to be detected, and the probe is pushed by the steel pipe to be detected towards the side close to the base plate. Under the action of the tension spring, the probe is always attached to the surface of the steel pipe to be detected.
Because the camera and the laser pen are both arranged on the substrate and are arranged towards the probe, the specific position of the laser generated by the laser pen on the steel pipe to be detected is observed through the camera, and the position of the whole welding seam detection end head relative to the steel pipe can be corrected and adjusted. The weld joint detection device is controlled to move along the axial direction of the steel pipe to be detected, so that laser generated by the laser pen irradiates the weld joint of the steel pipe to be detected, and the probe can be guaranteed to be attached to the weld joint of the steel pipe to be detected. Because the detection components are arranged in a linear array along the direction vertical to the connecting rod, the detection components are uniformly distributed on the welding seam along the axial direction of the steel pipe to be detected, the comprehensive sampling detection of multiple detection points is realized, the monitoring sampling points of the welding seam are more reliable, and the detection accuracy is improved.
When the detection starts, the steel pipe to be detected is rotated along the circumferential direction of the steel pipe to be detected, and the steel pipe to be detected smoothly rotates relative to the probe under the dredging action of the roller, so that the probe can smoothly and comprehensively detect the whole welding seam. When the steel pipe to be detected cannot be rotated, the welding seam detection end head can be controlled to be attached to the surface of the steel pipe to be detected, and the detection of the whole welding seam can be completed by rotating the surface of the steel pipe to be detected along the circumferential direction of the steel pipe to be detected.
Through the operation, the detection can be completed on the whole welding seam rapidly, the external integrity of the whole welding seam can be directly observed by the cooperation of the camera, the confirmation of the heavy point detection part is facilitated, and the heavy point detection is carried out on the heavy point part by utilizing the welding seam detection device.
It should be noted that, the setting mode of detecting the head helps improving the laminating compactness between probe and the steel pipe that waits to detect, and the probe of being convenient for laminates in waiting to detect the surface of steel pipe smoothly, and guarantees to wait to detect the steel pipe rotation in-process probe and wait to detect between the steel pipe still can keep effective laminating. The continuity and the reliability of the detection process are greatly improved, the continuity of detection data is maintained, a 360-degree condition distribution diagram of the welding line is conveniently obtained, and therefore the whole welding condition is effectively evaluated and controlled.
In general, the welding seam detection device provided by the embodiment of the invention has the advantages of high measurement precision, convenience and rapidness in measurement, capability of rapidly and accurately detecting the welding seam comprehensively and effectively, simple structure, low production cost and suitability for popularization and use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a weld detection apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a weld detection tip of the weld detection apparatus of FIG. 1.
Icon: 2000-a weld detection device; 2100-base; 2200-a guide rail; 2300-a first screw rod; 2400-first power plant; 2500-lifting table; 2510-posts; 2520-first struts; 2530-a second strut; 2540-adjusting the rod; 1000-a welding line detection end head; 100-a substrate; 110-a pillar; 120-cross beam; 130-a connecting rod; 200-a camera; 300-laser pen; 410-a slide rail; 411-extension arms; 420-a slider; 430-a probe; 500-rolling wheels; 600-a second power plant; 710-universal wheel; 720-a parking mechanism; 800-calibration means; 910-a water tank; 920-a water pump; 930-hooks.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "parallel," "perpendicular," and the like, do not denote that the components are required to be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel than "perpendicular" and does not mean that the structures must be perfectly parallel, but may be slightly tilted.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1-2, the present embodiment provides a welding seam detecting device 2000. The weld detecting apparatus 2000 includes: base 2100, rail 2200, lift 2500, column 2510, first strut 2520, second strut 2530, adjustment rod 2540, and weld detection head 1000.
The guide rail 2200 is disposed perpendicular to the base 2100, and the lift 2500 is slidably fitted to the guide rail 2200. The base 2100 is further provided with a first screw 2300 parallel to the guide rail 2200 and a first power unit 2400 for driving connection with the first screw 2300, the first screw 2300 penetrating the elevating platform 2500 and being screw-engaged with the elevating platform 2500.
Weld inspection head 1000 includes base plate 100, support column 110, cross beam 120, link 130, camera 200, laser pen 300, and inspection assembly including two sets of inspection heads. The detection head includes a slide rail 410, a slider 420, and a probe 430.
The column 2510 is installed on the lift 2500 and is disposed in the height direction, and the adjustment lever 2540 is disposed perpendicular to the column 2510 and extends from the lift 2500 toward the outside of the lift 2500. First strut 2520 is hinged at one end to column 2510 and connected at the other end to base plate 100. The second support rod 2530 has one end hinged to the first support rod 2520 and the other end detachably connected to the adjustment rod 2540 to form a support for the first support rod 2520.
The number of the struts 110 is 4, and the 4 struts 110 are provided at four corners of the substrate 100 on the side away from the first struts 2520. The number of the cross beams 120 is 2, and the 2 cross beams 120 are arranged in parallel at intervals and are respectively arranged at two opposite ends of the substrate 100, and the cross beams 120 are connected between the two support columns 110. The plurality of connecting rods 130 are arranged in parallel at intervals, and the plurality of connecting rods 130 are connected between the two cross beams 120.
Each connecting rod 130 is connected with a detection component, two groups of detection heads of each detection component are arranged at intervals along the axial direction of the connecting rod 130, and the detection components are arranged in a linear array along the direction perpendicular to the connecting rod 130.
The sliding block 420 is slidably matched with the sliding rail 410, the sliding block 420 is fixedly connected with the connecting rod 130, the sliding rail 410 is perpendicular to the base plate 100, the probe 430 is connected to the end of the sliding rail 410, which is far away from the base plate 100, and a tension spring (not shown) is connected between the end of the sliding rail 410, which is close to the base plate 100, and the sliding block 420. The two sets of probes 430 of each sensing assembly are each disposed toward a side remote from the substrate 100 and extend therebetween.
The rollers 500 are arranged at two ends of the cross beam 120, the rollers 500 are positioned at one side of the cross beam 120 far away from the substrate 100, and the rotation axes of the rollers 500 are parallel to the connecting rod 130. The camera 200 and the laser pen 300 are both disposed on the substrate 100 and toward the probe 430.
When the welding seam detection device 2000 is used for detecting welding seams, the first power device 2400 is controlled to enable the first screw rod 2300 to drive the lifting platform 2500 to slide along the guide rail 2200, so that the height of the lifting platform 2500 is adapted to the height of a corresponding steel pipe to be detected, and the welding seam detection end 1000 can smoothly and accurately detect the steel pipe to be detected. The first and second struts 2520 and 2530 are used to support the weld detection tip 1000, so that the weld detection tip 1000 can stably detect a steel pipe to be detected. After the detection is completed, the second support rod 2530 can be detached from the adjusting rod 2540, so that the first support rod 2520 can be rotated towards the ground side, and the probe 430 can be cleaned conveniently.
When the position of the lifting platform 2500 is adjusted properly during detection, the roller 500 of the welding seam detection end head 1000 is attached to the surface of the steel pipe to be detected, the axis of the steel pipe to be detected is kept parallel to the axis of rotation of the roller 500, at this time, the probe 430 is attached to the surface of the steel pipe to be detected, and the probe 430 is pushed by the steel pipe to be detected towards the side close to the substrate 100. Under the action of the tension spring, the probe 430 always keeps fit with the surface of the steel pipe to be detected.
Since the camera 200 and the laser pen 300 are both disposed on the substrate 100 and disposed toward the probe 430, the position of the entire weld detection tip 1000 with respect to the steel pipe can be corrected and adjusted by observing the specific position of the laser beam generated by the laser pen 300 on the steel pipe to be detected through the camera 200. The weld joint detection device 2000 is controlled to move along the axial direction of the steel pipe to be detected, so that the laser pen 300 irradiates the weld joint of the steel pipe to be detected with the laser, and the probe 430 can be guaranteed to be attached to the weld joint of the steel pipe to be detected. Because the detection components are arranged in a linear array along the direction perpendicular to the connecting rod 130, the detection components are uniformly distributed on the welding seam along the axial direction of the steel pipe to be detected, the comprehensive sampling detection of multiple detection points is realized, the monitoring sampling points of the welding seam are more reliable, and the detection accuracy is improved.
When the detection starts, the steel pipe to be detected is rotated along the circumferential direction of the steel pipe to be detected, and the steel pipe to be detected smoothly rotates relative to the probe 430 under the guiding action of the roller 500, so that the probe 430 can smoothly and comprehensively detect the whole welding seam. When the steel pipe to be detected cannot be rotated, the weld joint detection end 1000 can be controlled to be attached to the surface of the steel pipe to be detected, and the detection of the whole weld joint can be completed by rotating the surface of the steel pipe to be detected along the circumferential direction of the steel pipe to be detected.
Through the above operation, can accomplish the detection fast to whole welding seam, cooperate camera 200 can also carry out direct observation to the outside integrality of whole welding seam, help confirming heavy spot detection position to utilize welding seam detection device 2000 to carry out the focus to the heavy spot and detect.
It should be noted that, the setting mode of the detection head is helpful to improve the bonding tightness between the probe 430 and the steel pipe to be detected, so that the probe 430 can be smoothly bonded on the surface of the steel pipe to be detected, and the effective bonding between the probe 430 and the steel pipe to be detected can be still maintained in the rotation process of the steel pipe to be detected. The continuity and the reliability of the detection process are greatly improved, the continuity of detection data is maintained, a 360-degree condition distribution diagram of the welding line is conveniently obtained, and therefore the whole welding condition is effectively evaluated and controlled.
Overall, the welding seam detection device 2000 has high measurement accuracy, convenient and quick measurement, can rapidly and accurately carry out comprehensive and effective detection on welding seams, has a simple structure and low production cost, and is suitable for popularization and use.
Further, along the axial direction of the connecting rod 130, the distance between the two groups of detection heads of each detection assembly is equal, the midpoint of the shortest connecting line between the two groups of detection heads is taken as a preset point, and the preset points of the plurality of detection assemblies are all positioned on the same straight line and the straight line is perpendicular to the connecting rod 130. The axes of both the camera 200 and the laser pen 300 are perpendicular to and intersect a straight line. By this design, the accuracy of the camera 200 and the laser pen 300 with respect to adjusting the position of the probe 430 can be further improved, and the detection accuracy can be improved.
Further, a through hole is formed at one end of the second support rod 2530, which is close to the adjusting rod 2540, a plurality of screw holes are formed in the adjusting rod 2540 along the axial direction of the adjusting rod 2540, and the second support rod 2530 is detachably connected with the adjusting rod 2540 through a screw rod. Through this design, with second branch 2530 cooperation in the different screw of regulation pole 2540, can change the support angle of first branch 2520 for the elevating platform 2500 to change the welding seam detection end 1000 and the contact angle of waiting to detect the steel pipe. When the outer diameters of the steel pipes to be detected are different, the welding seam detection end 1000 can be attached to the steel pipes to be detected at the best angle through the adjustment, so that the welding seam detection device 2000 can adapt to different steel pipes and keep the highest detection precision.
Further, the lifting platform 2500 is further provided with a second screw rod and a second power device 600 in transmission connection with the second screw rod, the second screw rod is arranged along the width direction of the guide rail 2200, the second screw rod is arranged parallel to the connecting rod 130, and the upright 2510 is in threaded fit with the second screw rod. Through the design, the second power device 600 can be utilized to move the welding seam detection end 1000 along the axial direction of the steel pipe, so that the adjustment of the welding seam detection end 1000 is more convenient and accurate, the welding seam detection end 1000 can be accurately aligned with the welding seam, and the reliability of the detection result is improved.
Further, in the present embodiment, the first power device 2400 and the second power device 600 are both servo motors.
Further, the base 2100 is provided with a castor 710 with a brake and a parking mechanism 720. Through the design, the welding seam detection device 2000 has good moving performance, and meanwhile, the position of the welding seam detection device can be kept stable when detection is carried out, so that the detection work is carried out smoothly.
Further, the base 2100 is further provided with a calibration device 800 for calibrating the probe 430, and the calibration device 800 and the adjustment lever 2540 are provided separately on both sides of the guide rail 2200. The first strut 2520 rotates relative to the column 2510 having a first rotation dead point and a second rotation dead point. When the first strut 2520 is at the first rotation stop, the first strut 2520 is supported by the second strut 2530 detachably coupled to the adjustment lever 2540. When the first strut 2520 is located at the second rotation dead point, the probe 430 is attached to the calibration device 800. In the present embodiment, the calibration device 800 is provided as a detection scale for calibrating the pitch between the probes 430 of the detection head and the pitch between the adjacent two detection modules.
Further, the base 2100 is further provided with a water tank 910 and a water pump 920, and a water outlet of the water pump 920 is connected to the probe 430 by a water pipe to cool the probe 430.
Further, hooks 930 for hanging the cable are provided at both sides of the base 2100.
Further, the end of the sliding rail 410 has two extending arms 411 arranged in parallel and at intervals, and the probe 430 is hinged between the two extending arms 411 with damping. Through this design, can make probe 430 adapt to the steel pipe that waits to detect of different external diameters through adjusting probe 430 for slide rail 410's installation angle, ensure when waiting to detect the steel pipe of different external diameters, probe 430 can all carry out effective laminating with the welding seam to improve the reliability of detection data. By hinging the probe 430 between the two extension arms 411 with damping, not only can flexible adjustment of the installation angle of the probe 430 be realized, but also the probe 430 can be ensured to stably maintain the corresponding installation angle after the adjustment of the probe 430 is completed, and the use stability of the equipment is improved.
In conclusion, the welding seam detection device 2000 has high measurement accuracy, convenient and quick measurement, can rapidly and accurately carry out comprehensive and effective detection on welding seams, has a simple structure and low production cost, and is suitable for popularization and use.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A weld detecting apparatus, comprising: the welding line detection device comprises a base, a guide rail, a lifting table, an upright post, a first supporting rod, a second supporting rod, an adjusting rod and a welding line detection end head; the guide rail is perpendicular to the base, and the lifting table is slidably matched with the guide rail; the base is also provided with a first screw rod parallel to the guide rail and a first power device in transmission connection with the first screw rod, and the first screw rod is in transmission fit with the lifting table; the welding seam detection end head comprises a substrate, a support column, a cross beam, a connecting rod, a camera, a laser pen and a detection assembly, wherein the detection assembly comprises two groups of detection heads; the detection head comprises a sliding rail, a sliding block and a probe;
the upright post is erected on the lifting platform and is arranged along the height direction, and the adjusting rod is perpendicular to the upright post and extends from the lifting platform to the outside of the lifting platform; one end of the first supporting rod is hinged to the upright post, and the other end of the first supporting rod is connected to the base plate; one end of the second supporting rod is hinged to the first supporting rod, and the other end of the second supporting rod is detachably connected to the adjusting rod so as to support the first supporting rod; the number of the support posts is 4, and the 4 support posts are respectively arranged at four corners of one side, far away from the first support rod, of the substrate; the number of the cross beams is 2, and the 2 cross beams are arranged in parallel and are respectively arranged at the two opposite ends of the substrate, and the cross beams are connected between the two support posts; the connecting rods are arranged in parallel at intervals and are connected between the two cross beams; each connecting rod is connected with the detection assembly, two groups of detection heads of each detection assembly are arranged at intervals along the axial direction of the connecting rod, and the detection assemblies are arranged in a linear array along the direction perpendicular to the connecting rod; the sliding block is slidably matched with the sliding rail, the sliding block is fixedly connected with the connecting rod, the sliding rail is perpendicular to the base plate, the probe is connected to the end part of the sliding rail, which is far away from one end of the base plate, and a tension spring is connected between one end of the sliding rail, which is close to the base plate, and the sliding block; the two groups of probes of each detection assembly are arranged towards one side far away from the substrate and extend towards the space between the probes; rollers are arranged at two ends of the cross beam and are positioned at one side of the cross beam far away from the substrate, and the rotation axes of the rollers are parallel to the connecting rod; the camera and the laser pen are both arranged on the substrate and towards the probe;
the distance between the two groups of detection heads of each detection assembly is equal along the axial direction of the connecting rod, the midpoint of the shortest connecting line between the two groups of detection heads is taken as a preset point, the preset points of the detection assemblies are all positioned on the same straight line, and the straight line is perpendicular to the connecting rod; the axes of the camera and the laser pen are perpendicular to the straight line and intersect with the straight line;
the one end that is close to of second branch the regulation pole has seted up the through-hole, the regulation pole has seted up a plurality of screw holes that even interval set up along its axial, second branch with adjust and be connected by screw rod detachably between the pole.
2. The welding seam detection device according to claim 1, wherein the lifting table is further provided with a second screw rod and a second power device in transmission connection with the second screw rod, the second screw rod is arranged along the width direction of the guide rail, the second screw rod is parallel to the connecting rod, and the upright post is in threaded fit with the second screw rod.
3. The weld inspection device of claim 2, wherein the first power device and the second power device are each a servo motor.
4. The weld inspection device of claim 1, wherein the base is provided with a braked universal wheel and parking mechanism.
5. The weld detecting apparatus according to claim 1, wherein the base is further provided with a calibrating device for calibrating the probe, the calibrating device and the adjusting lever being provided on both sides of the guide rail; the first support rod rotates relative to the upright post and is provided with a first rotation dead point and a second rotation dead point; when the first supporting rod is positioned at a first rotation dead point, the first supporting rod is supported by the second supporting rod which is detachably connected with the adjusting rod; when the first supporting rod is positioned at the second rotation dead point, the probe is attached to the calibration device.
6. The weld inspection device of claim 1, wherein the base is further provided with a water tank and a water pump, a water outlet of the water pump being connected to the probe by a water pipe to cool the probe.
7. The welding seam detection device of claim 1, wherein hooks for hanging cables are further arranged on two sides of the base.
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| CN110132977B (en) * | 2019-04-26 | 2021-10-01 | 嘉兴市建设工程质量检测有限公司 | Steel construction welding seam detection device |
| CN112924621B (en) * | 2021-01-25 | 2023-05-16 | 白城师范学院 | Contact compactness detection device for computer image recognition |
| CN113484339A (en) * | 2021-05-31 | 2021-10-08 | 华北电力科学研究院有限责任公司 | Large-diameter pipeline welding line detection device based on residual stress gauge and detection method thereof |
| CN113820469B (en) * | 2021-09-16 | 2023-07-28 | 哈尔滨工程大学 | Ball tube intersecting weld joint detection equipment |
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