CN217931535U

CN217931535U - Scanning device for detecting intersecting line fillet weld

Info

Publication number: CN217931535U
Application number: CN202221845080.7U
Authority: CN
Inventors: 干兵; 杨茂森; 郑邦华; 周靖; 杨棚; 武金宇; 何媛媛; 王平杰
Original assignee: SICHUAN SPECIAL EQUIPMENT TESTING RESEARCH INSTITUTE
Current assignee: SICHUAN SPECIAL EQUIPMENT TESTING RESEARCH INSTITUTE
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-11-29
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to the field of special equipment detection, in particular to a scanning device for intersecting line fillet weld detection, which comprises a chain type component, a slider probe positioning component and a vertical probe component, wherein the slider probe positioning component is arranged on the chain type component, and the vertical probe component is arranged on the chain type component; the chain type assembly comprises a mounting seat and chain links, wherein a plurality of chain links are sequentially hinged to two sides of the mounting seat in series, rollers are rotatably arranged on the chain links, the chain link at the tail end of one side of the mounting seat is hinged with a fastener, the chain link at the tail end of the other side of the mounting seat is hinged with a buckle assembly, and the buckle assembly is matched with the fastener; the slider probe positioning assembly comprises a vertical rod, a transverse rod and a slider, the vertical rod is arranged on the mounting seat, the transverse rod is arranged at the bottom of the vertical rod and is perpendicular to the vertical rod, a sliding rail is arranged on the transverse rod, and the slider is connected with the sliding rail in a sliding mode. The utility model has the advantages that the probe can keep all the time with the contact of pipeline, makes the testing result more accurate.

Description

Scanning device for detecting intersecting line fillet weld

Technical Field

The utility model relates to a special equipment detection area, especially a device is looked into to scanning that looks transversal fillet weld detected.

Background

Due to the fact that the thickness difference between the inserted pipe seat of the pressure-bearing equipment and the pipe is large, in the welding process, the defects of cracks, air holes, incomplete penetration, incomplete fusion and the like are caused frequently because fillet welds are cooled too fast or the shapes of grooves are complex, and the defects have great threat to the safety of the whole equipment. In order to ensure safety, nondestructive testing is required to be carried out on fillet welds of the inserted tube seats in the industrial application process.

The existing nondestructive testing method for the fillet weld of the inserted tube seat mainly comprises ray detection, ultrasonic detection, magnetic powder detection, penetration detection and the like. But the magnetic powder detection and the penetration detection can not detect the internal defects of the welding line; the ray detection is not sensitive to defects such as cracks, unfused and the like, and the detection reliability of the method is greatly influenced by the structure of the fillet weld and is accompanied by radiation damage; compared with the detection methods, the ultrasonic detection has relatively accurate detection results, but the conventional ultrasonic detection device cannot adapt to the complex changes of wall thickness and curvature, so that the detection scanning is not comprehensive and careful, and particularly when a probe extends into the inner wall of a connecting pipe to perform longitudinal wave scanning, the device cannot adapt to the changes of the curvature of the pipeline, so that the defect positioning is difficult and the defect omission detection is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a scanning device that looks transversal fillet weld detected.

The purpose of the utility model is realized through the following technical scheme: a scanning device for detecting intersecting line fillet welds comprises a chain type assembly, a sliding block probe positioning assembly and a vertical probe assembly, wherein the sliding block probe positioning assembly is arranged on the chain type assembly, and the vertical probe assembly is arranged on the chain type assembly;

the chain type assembly comprises a mounting seat and chain links, wherein a plurality of chain links are sequentially hinged to two sides of the mounting seat in series, idler wheels are arranged on the chain links in a rotating mode, a fastener is hinged to the chain link at the tail end of one side of the mounting seat, a buckle assembly is hinged to the chain link at the tail end of the other side of the mounting seat, and the buckle assembly is matched with the fastener;

the sliding block probe positioning assembly comprises an upright rod, a cross rod and a sliding block, the upright rod is arranged on the mounting base, the cross rod is arranged at the bottom of the upright rod and is vertical to the upright rod, a sliding rail is arranged on the cross rod, and the sliding block is connected with the sliding rail in a sliding manner;

the vertical probe assembly comprises a mounting bracket, a probe bracket and a probe, wherein the mounting bracket is arranged on the sliding block, the probe bracket is arranged at the bottom of the mounting bracket, and the probe is arranged on the probe bracket.

Specifically, the cross rod is provided with a fixed seat, the sliding block is provided with a connecting seat, the connecting seat is provided with a threaded sleeve, the fixed seat is rotatably provided with a rotating wheel, the threaded sleeve is in threaded connection with a screw rod, and one end of the screw rod is coaxially and fixedly connected with the rotating wheel.

Specifically, it is provided with a slide bar to slide on the installing support, the probe bracket rotates and sets up on the slide bar, the probe bracket includes connecting rod, pivot and two branches, two branch sets up the both ends at the connecting rod, the pivot sets up on the connecting rod, the both ends and the two branches of probe rotate and are connected, the probe bracket rotates through pivot and slide bar and is connected.

Specifically, the mounting bracket is provided with a groove, the sliding rod is provided with a mounting block, the mounting block is provided with a mounting hole, the mounting hole corresponds to the groove, a locking rod is arranged in the mounting hole in a sliding manner, and the locking rod is matched with the groove.

Specifically, the buckle subassembly include fixed block and pull rod, the one end of fixed block with the chain link is articulated, it has a revolving rack to articulate on the fixed block, the one end of pull rod with the revolving rack is articulated, the other end of pull rod is provided with the drag hook, be provided with on the fastener and draw the axle, draw the axle with the drag hook cooperation.

Specifically, a rotating handle is arranged on the rotating frame.

Specifically, the pull rod is an arc-shaped rod.

The utility model has the advantages of it is following:

the utility model discloses a set up the chain subassembly and will sweep the device of looking into and fix on the pipeline, be provided with the gyro wheel on the chain subassembly, can drive through the gyro wheel and sweep and look into device circumferential direction, then set up slider probe locating component on the chain subassembly, set up perpendicular probe subassembly on slider probe locating component, the probe setting is on perpendicular probe subassembly, perpendicular probe subassembly can follow vertical direction and remove, the probe can keep with the contact of pipeline when chain subassembly drive sweeps and look into device circumferential direction like this, make the testing result more accurate.

Drawings

FIG. 1 is a schematic view of the overall structure of the scanning device of the present invention;

FIG. 2 is a schematic side view of the scanning device of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the probe holder and probe mounting structure of the present invention;

in the figure: 1-mounting seat, 2-chain link, 3-roller, 4-fixed block, 5-fastener, 6-pulling shaft, 7-pulling rod, 8-vertical rod, 9-cross rod, 10-sliding block, 11-sliding rod, 12-mounting block, 13-connecting rod, 14-supporting rod, 15-probe, 17-locking rod, 18-groove, 19-fixed seat, 20-rotating wheel, 21-screw rod, 22-connecting seat, 23-thread bush, 24-mounting bracket, 25-rotating frame, 26-rotating handle, 27-pulling hook and 28-rotating shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the 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. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The present invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-4, a scanning device for detecting intersecting line fillet weld comprises a chain type assembly, a slider probe positioning assembly and a vertical probe assembly, wherein the slider probe positioning assembly is arranged on the chain type assembly, and the vertical probe assembly is arranged on the chain type assembly;

the chain type assembly comprises an installation seat 1 and chain links 2, wherein a plurality of chain links 2 are sequentially hinged to two sides of the installation seat 1 in series, idler wheels 3 are arranged on the chain links 2 in a rotating mode, the chain link 2 at the tail end of one side of the installation seat 1 is hinged to a fastener 5, the chain link 2 at the tail end of the other side of the installation seat 1 is hinged to a buckle assembly, and the buckle assembly is matched with the fastener 5;

the sliding block probe positioning assembly comprises an upright rod 8, a cross rod 9 and a sliding block 10, wherein the upright rod 8 is arranged on the mounting base 1, the cross rod 9 is arranged at the bottom of the upright rod 8 and is perpendicular to the upright rod 8, a sliding rail is arranged on the cross rod 9, and the sliding block 10 is connected with the sliding rail in a sliding manner;

the vertical probe assembly comprises a mounting bracket 24, a probe bracket and a probe 15, wherein the mounting bracket 24 is arranged on the sliding block 10, the probe bracket is arranged at the bottom of the mounting bracket 24, and the probe 15 is arranged on the probe bracket. The scanning device in the embodiment is used for scanning and detecting intersecting line welding seams, wherein a chain type assembly is used for fixing the whole scanning device on a pipeline, a plurality of chain links 2 are connected in series on two sides of a mounting seat 1 in the chain type assembly, the chain links 2 are hinged together through a hinge shaft, then a roller 3 is arranged on the hinge shaft, the chain links 2 can be encircled into a circle through the matching of a buckle assembly and a fastener 5, and then the ring is tightly hooped on the pipeline, so that the scanning device can be fixed on the pipeline; the installation seat 1 is provided with an upright rod 8, the upright rod 8 is arranged along the vertical direction and is parallel to the axial direction of a pipeline in use, a clamping groove is arranged on the installation seat 1, the upright rod 8 is a rectangular rod piece, the upright rod 8 is clamped in the clamping groove, the installation seat 1 is provided with a locking hole, the locking hole is in threaded connection with a locking shaft, the locking shaft is abutted against a pull rod 7 to fix the upright rod 8 on the installation seat 1, then a cross rod 9 is connected to the bottom of the upright rod 8 through a bolt and is perpendicular to the upright rod 8, the cross rod 9 is arranged along the radial direction of the pipeline in use, a track is arranged on the cross rod 9, the track can be an integral structure with the cross rod 9 or an independent structure and is fixed on the cross rod 9 through a bolt, then the slide block 10 is arranged on the track in a sliding manner, the slide block 10 can wholly wrap the cross rod 9, so that the structure is more stable, then an installation support 24 is arranged on the slide block 10, the installation support 24 can be fixed on the slide block 10 through a bolt, the mounting bracket 24 can move along the rail along with the slide block 10, then the mounting bracket 24 is provided with the probe bracket in a sliding way, so that the probe bracket can move along the axial direction of the pipeline, the probe 15 is arranged on the probe bracket, when in use, the buckle component is firstly matched with the fastener 5 to hold the scanning device on the pipeline, then the probe 15 is pressed against another pipeline, so that the probe 15 can scan the weld joint, the chain component is rotated during scanning to drive the whole scanning device to rotate around the pipeline in the circumferential direction, so that the probe 15 can rotate in the circumferential direction to detect the whole intersecting line fillet weld joint, the bottom surface of the probe 15 is always kept in contact with the pipeline in the detection process, the bottom surface of the probe 15 is a plane, so that the probe 15 can adjust the posture according to the change of the position, and the probe 15 is hinged on the probe bracket, therefore, the posture can be adjusted along with the change of the position, the contact height with the pipeline is changed all the time in the rotating process of the probe 15, and the probe bracket is arranged on the mounting bracket 24 in a sliding mode, so that the probe 15 can always keep in the contact state with the pipeline in the circumferential rotating process.

Furthermore, a fixed seat 19 is arranged on the cross rod 9, a connecting seat 22 is arranged on the sliding block 10, a threaded sleeve 23 is arranged on the connecting seat 22, a rotating wheel 20 is rotatably arranged on the fixed seat 19, the threaded sleeve 23 is in threaded connection with a screw rod 21, and one end of the screw rod 21 is coaxially and fixedly connected with the rotating wheel 20. In this embodiment, the distance between the probe 15 and the intersecting line fillet weld can be adjusted as required, by arranging a fixing seat 19 on the cross bar 9, the fixing seat 19 is provided with a connecting hole, one end of the rotating wheel 20 is rotatably arranged in the connecting hole, one end of the screw rod 21 is fixedly connected with the rotating wheel 20 and penetrates through the connecting hole, the sliding block 10 is connected with a connecting seat 22 through a bolt, similarly, the connecting seat 22 is provided with a connecting hole, one end of the thread sleeve 23 is arranged in the connecting hole and is fixedly connected with the connecting seat 22, the screw rod 21 can be fixed in a bolt tightening manner, the other end of the screw rod 21 is in threaded connection with the thread sleeve 23, so that the screw rod 21 can be driven to rotate by rotating the rotating wheel 20, because the thread sleeve 23 cannot rotate circumferentially, the screw rod 21 can drive the thread sleeve 23 to move along the screw rod 21, so that the sliding block 10 can be driven to move along the cross bar 9, thereby adjusting the distance between the probe 15 and the intersecting line fillet weld, an encoder can be arranged on the cross bar 9, and the encoder is connected with the screw rod 21 to detect the number of turns of the rotating screw rod 21, thereby the distance between the probe 15 and the intersecting line fillet weld can be known.

Further, it is provided with a slide bar 11 to slide on the installing support 24, the probe bracket rotates to set up on the slide bar 11, the probe bracket includes connecting rod 13, pivot 28 and two branches 14, two branch 14 sets up the both ends at connecting rod 13, pivot 28 sets up on connecting rod 13, the both ends of probe 15 rotate with two branches 14 to be connected, the probe bracket rotates with slide bar 11 through pivot 28 and is connected. In this embodiment, a sliding groove is formed in the mounting bracket 24, the sliding rod 11 is in sliding fit with the sliding groove, the sliding rod 11 is arranged along the axial direction of the pipeline, the probe bracket is rotatably arranged at the bottom of the sliding rod 11 through a rotating shaft 28, then two sides of the probe 15 are rotatably connected with the two supporting rods 14, so that the probe 15 can perform pitching motion to adapt to the change of the posture, the probe bracket rotates in a vertical plane, so that the probe 15 keeps a contact state with the pipeline due to gravity in the rotating process of the scanning device, then the probe 15 can perform pitching motion in the rotating process, and the probe bracket can rotate to adapt to the change of the position, so that the probe 15 keeps a contact state with the pipeline, and thus, the intersecting line fillet weld can be scanned and detected.

Furthermore, a groove 18 is formed in the mounting bracket 24, a mounting block 12 is arranged on the slide rod 11, a mounting hole is formed in the mounting block 12, the mounting hole corresponds to the groove 18, a lock rod 17 is arranged in the mounting hole in a sliding manner, and the lock rod 17 is matched with the groove 18. In the embodiment, a groove 18 is formed in the side wall of a mounting support 24, the groove 18 can be cylindrical, a mounting block 12 is arranged on a sliding rod 11, the mounting block 12 penetrates through a mounting hole, one end of a locking rod 17 is arranged in the mounting hole in a sliding mode, a handle is arranged at the other end of the locking rod 17, the sliding rod 11 slides upwards to drive the mounting block 12 to move when the mounting block is not used, so that the mounting hole is aligned with the groove 18, then the locking rod 17 is inserted into the groove 18, the sliding rod 11 and the mounting support 24 can be limited, the sliding rod 11 is prevented from being separated from the mounting support 24 when the mounting block is not used, the scanning device is fixed on a pipeline through a chain type assembly when the mounting block is used, then the handle is pulled to draw one end of the locking rod 17 out of the groove 18, and therefore the sliding rod 11 can slide freely along a sliding groove.

Further, buckle component include fixed block 4 and pull rod 7, the one end of fixed block 4 with link 2 is articulated, it has a revolving rack 25 to articulate on the fixed block 4, the one end of pull rod 7 with revolving rack 25 is articulated, the other end of pull rod 7 is provided with drag hook 27, be provided with on the fastener 5 and draw axle 6, draw axle 6 with drag hook 27 cooperates. One end of fixed block 4 articulates on chain link 2 in this embodiment, the one end of revolving rack 25 is articulated with fixed block 4, the other end is articulated with the one end of pull rod 7, set up drag hook 27 through the other end at pull rod 7, drag hook 27 hooks then pulls revolving rack 25 and makes revolving rack 25 pulling pull rod 7 on the axle 6 that draws of fastener 5 during the use, the drag hook 27 that sets up on the pull rod 7 just can be hooked tightly on axle 6 that draws, just so can realize will scanning the device and tightly hoop on the pipeline, just realize automatic locking when revolving rack 25 rotates the surface laminating with fixed block 4.

Further, a rotating handle 26 is arranged on the rotating frame 25. In this embodiment, the rotating handle 26 is adopted to rotate the rotating frame 25, so that the use is convenient.

Further, the pull rod 7 is an arc-shaped rod. The pull rod 7 is an arc-shaped rod in the embodiment, so that the pull rod can be matched with a pipeline, the pipeline cannot be interfered when the pull rod is installed, and the pull rod 7 can have certain elasticity.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a scanning device that looks transversal fillet weld detected which characterized in that: the device comprises a chain type assembly, a sliding block probe positioning assembly and a vertical probe assembly, wherein the sliding block probe positioning assembly is arranged on the chain type assembly, and the vertical probe assembly is arranged on the chain type assembly;

the chain type assembly comprises a mounting seat (1) and chain links (2), wherein a plurality of chain links (2) are sequentially hinged to two sides of the mounting seat (1) in series, rollers (3) are arranged on the chain links (2) in a rotating mode, the chain link (2) at the tail end of one side of the mounting seat (1) is hinged to a fastener (5), the chain link (2) at the tail end of the other side of the mounting seat (1) is hinged to a buckle assembly, and the buckle assembly is matched with the fastener (5);

the sliding block probe positioning assembly comprises an upright rod (8), a cross rod (9) and a sliding block (10), the upright rod (8) is arranged on the mounting base (1), the cross rod (9) is arranged at the bottom of the upright rod (8) and is perpendicular to the upright rod (8), a sliding rail is arranged on the cross rod (9), and the sliding block (10) is connected with the sliding rail in a sliding manner;

the vertical probe assembly comprises a mounting bracket (24), a probe bracket and a probe (15), wherein the mounting bracket (24) is arranged on the sliding block (10), the probe bracket is arranged on the mounting bracket (24) in a sliding manner, and the probe (15) is arranged on the probe bracket.

2. The scanning device for intersection fillet weld detection as claimed in claim 1, wherein: the novel horizontal pole connecting device is characterized in that a fixing seat (19) is arranged on the horizontal pole (9), a connecting seat (22) is arranged on the sliding block (10), a threaded sleeve (23) is arranged on the connecting seat (22), a rotating wheel (20) is arranged on the fixing seat (19) in a rotating mode, a lead screw (21) is connected to the threaded sleeve (23) in a threaded mode, and one end of the lead screw (21) is fixedly connected with the rotating wheel (20) in a coaxial mode.

3. The scanning device for intersection fillet weld detection as claimed in claim 1, wherein: slide on installing support (24) and be provided with a slide bar (11), the probe bracket rotates to set up on slide bar (11), the probe bracket includes connecting rod (13), pivot (28) and two branch (14), two branch (14) set up the both ends at connecting rod (13), pivot (28) set up on connecting rod (13), the both sides and two branch (14) of probe (15) rotate to be connected, the probe bracket rotates through pivot (28) and slide bar (11) to be connected.

4. The scanning device for intersection fillet weld detection as claimed in claim 3, wherein: installing support (24) on be provided with a recess (18), be provided with an installation piece (12) on slide bar (11), be provided with a mounting hole on installation piece (12), the mounting hole with recess (18) correspond the setting, it is provided with a locking lever (17) to slide in the mounting hole, locking lever (17) with recess (18) cooperation.

5. The scanning device for intersection fillet weld detection as claimed in claim 1, wherein: buckle subassembly include fixed block (4) and pull rod (7), the one end of fixed block (4) with chain link (2) are articulated, it has a revolving rack (25) to go up articulated on fixed block (4), the one end of pull rod (7) with revolving rack (25) are articulated, the other end of pull rod (7) is provided with drag hook (27), be provided with on fastener (5) and draw axle (6), draw axle (6) with drag hook (27) cooperation.

6. The scanning device for intersection fillet weld detection as claimed in claim 5, wherein: the rotating frame (25) is provided with a rotating handle (26).

7. The scanning device for intersection fillet weld detection as claimed in claim 5, wherein: the pull rod (7) is an arc-shaped rod.