CN213209998U - Pipeline circumferential weld detects structure and detection device - Google Patents

Pipeline circumferential weld detects structure and detection device Download PDF

Info

Publication number
CN213209998U
CN213209998U CN202022223748.1U CN202022223748U CN213209998U CN 213209998 U CN213209998 U CN 213209998U CN 202022223748 U CN202022223748 U CN 202022223748U CN 213209998 U CN213209998 U CN 213209998U
Authority
CN
China
Prior art keywords
guide rail
hole
clamping
pipeline
holes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022223748.1U
Other languages
Chinese (zh)
Inventor
王国圈
林金峰
刘书宏
刘重阳
张蒲根
丁菊
王胜辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Special Equipment Supervision and Inspection Technology Institute
Original Assignee
Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Special Equipment Supervision and Inspection Technology Institute filed Critical Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority to CN202022223748.1U priority Critical patent/CN213209998U/en
Application granted granted Critical
Publication of CN213209998U publication Critical patent/CN213209998U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

The utility model provides a pipeline circumferential weld detects structure and detection device, pipeline circumferential weld detects structure includes the guide rail, two clamping components and two probe assemblies that arrange along the extending direction interval of guide rail, two clamping components pass through the guide rail and connect, probe assembly is connected with the guide rail along the extending direction of guide rail is movably, every clamping component includes clamping piece and a plurality of bearing group that two detachably connect, two clamping pieces of every clamping component are used for assembling each other in order to form a through-hole that supplies the pipeline to wear to establish, the axis coincidence of two through-holes that two clamping components formed, and be parallel to the extending direction of guide rail; the clamping assembly is used for synchronously rotating around the through hole in the circumferential direction so as to drive the probe assembly to rotate around the circumference of the pipeline. Through setting up two centre gripping subassemblies and surrounding through-hole circumferential direction in order to drive probe subassembly around pipeline circumferential direction in step, can make the probe instrument of installing on probe subassembly rotate a week around the pipeline, accomplish the scanning detection to whole pipeline circumferential weld.

Description

Pipeline circumferential weld detects structure and detection device
Technical Field
The utility model relates to a nondestructive test technical field, in particular to pipeline circumferential weld detects structure and detection device.
Background
When the TOFD detection is carried out on the pipeline circumferential seam, at least one group of TOFD probes is needed and is arranged at a certain distance relatively, wherein one TOFD probe is a signal transmitting probe, and the other TOFD probe is a signal receiving probe. Traditional TOFD detects sweeps and looks into the ware and sets up a set of TOFD probe relatively fixed in the both sides of pipeline welding seam, and handheld sweeping looks into the ware afterwards and rotates, rotates the in-process along with the change of position, and TOFD probe coupling effect is unsatisfactory, and the coupling is not good can the quality of direct influence data, and then influences the testing result.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline circumferential weld detects structure and detection device to solve the unsatisfactory problem of probe coupling effect of prior art's TOFD detection scanning ware.
In order to solve the technical problem, according to an aspect of the present invention, the present invention provides a pipeline circumferential weld detecting structure, which includes a guide rail, two clamping assemblies and two probe assemblies, the two clamping assemblies are spaced apart from each other along an extending direction of the guide rail, the two clamping assemblies are connected through the guide rail, the probe assembly is movably connected to the guide rail along the extending direction of the guide rail, each clamping assembly includes two detachably connected clamping members and a plurality of bearing sets, the two clamping members of each clamping assembly are used for being assembled with each other to form a through hole for a pipeline to pass through, axes of the two through holes formed by the two clamping assemblies coincide and are parallel to the extending direction of the guide rail;
the bearing groups are distributed around the through hole in the circumferential direction, the axis of each bearing group is parallel to the axis of the through hole, the bearing groups are rotatably connected with the clamping piece around the axial direction of the bearing groups, and the periphery of each bearing group is used for abutting against the pipeline;
the two clamping assemblies are used for synchronously rotating around the through hole in the circumferential direction so as to drive the probe assembly to rotate around the pipeline in the circumferential direction.
Optionally, the clamping member has a plurality of elongated holes distributed along the circumferential direction, the elongated holes penetrate through the clamping member along the axial direction of the through hole, and the long axis of the elongated holes extends along the radial direction of the through hole; the bearing sets correspond to the strip holes one to one, and the bearing sets are movably connected with the strip holes along the radial direction of the through holes.
Optionally, the bearing set includes a limiting rod, a roller rotatably sleeved on the limiting rod, and a limiting head detachably connected to one end of the limiting rod, the limiting rod is used for penetrating the elongated hole, and at least one end of the limiting rod extends out of the elongated hole; the roller is used for abutting against the pipeline, and the limiting head is used for being connected with a limiting rod extending out of the elongated hole so as to lock the radial position of the limiting rod relative to the clamping piece.
Optionally, after the two clamping pieces are assembled with each other, all the strip holes of the two clamping pieces are circumferentially and uniformly distributed around the axis of the through hole.
Optionally, the guide rail is a plate-shaped member extending along the axial direction of the through hole, the probe assembly includes a first fixing member movably disposed on the guide rail along the extending direction of the guide rail, a connecting frame movably connected with the first fixing member along the radial direction of the through hole, a second fixing member detachably connected with the connecting frame, and a first locking member, a side of the second fixing member facing the guide rail has a mounting hole, and the mounting hole is used for inserting and connecting a detection tool; the first locking piece is arranged on the first fixing piece along the extending direction perpendicular to the guide rail and used for locking the position of the second fixing piece relative to the first fixing piece by abutting against the connecting frame.
Optionally, the probe assembly further includes a second locking member, the second locking member is disposed on the first fixing member along a direction perpendicular to the extending direction of the guide rail, and is used for locking the position of the first fixing member relative to the guide rail by abutting against the guide rail.
Optionally, an included angle formed by the axis of the mounting hole and the axis of the through hole is an acute angle, and in the adjacent probe assembly and the clamping assembly, the axis of the mounting hole inclines towards a direction close to the clamping assembly.
Optionally, the guide rail has at least four assembling holes penetrating in the radial direction of the through hole, the at least four assembling holes are arranged at intervals in the axial direction of the through hole, and each clamping assembly is connected with the guide rail through at least two assembling holes.
Optionally, the guide rail is provided with scales along the extending direction of the guide rail.
Based on the utility model discloses a further aspect, the utility model discloses still provide a pipeline circumferential weld detection device, it is including detecting the instrument and as above pipeline circumferential weld detect the structure, detect the instrument with the probe subassembly detachably that the pipeline circumferential weld detected the structure connects.
In summary, in the pipe circumferential seam detecting structure and detecting device provided by the present invention, the pipe circumferential seam detecting structure includes a guide rail, two clamping assemblies and two probe assemblies, the two clamping assemblies are arranged at intervals along the extending direction of the guide rail, the two clamping assemblies are connected through the guide rail, the probe assembly is movably connected with the guide rail along the extending direction of the guide rail, each clamping assembly includes two detachably connected clamping members and a plurality of bearing sets, the two clamping members of each clamping assembly are used for being assembled with each other to form a through hole for a pipe to pass through, the axes of the two through holes formed by the two clamping assemblies coincide and are parallel to the extending direction of the guide rail; the bearing groups are distributed around the through hole in the circumferential direction, the axis of each bearing group is parallel to the axis of the through hole, the bearing groups are rotatably connected with the clamping piece around the axial direction of the bearing groups, and the periphery of each bearing group is used for abutting against the pipeline; the two clamping assemblies are used for synchronously rotating around the through hole in the circumferential direction so as to drive the probe assembly to rotate around the pipeline in the circumferential direction. Through setting up two centre gripping subassemblies and surrounding through-hole circumferential direction in order to drive probe assembly around pipeline circumferential direction in step, can make the probe instrument of installing on probe assembly rotate a week around the pipeline, accomplish to the scanning of whole pipeline circumferential weld and examine the detection, further set up a plurality of bearing groups of rotationally being connected with the holder, can reduce the rotation resistance of centre gripping subassembly and pipeline, make the centre gripping subassembly rotate more smoothly. The utility model discloses can make pipeline circumferential weld detection efficiency higher, detect that instrument coupling effect is better, the testing result is more accurate.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the invention and do not constitute any limitation to the scope of the invention. Wherein:
fig. 1a is a front view of a pipeline circumferential seam detection structure according to an embodiment of the present invention;
fig. 1b is a top view of a pipeline circular seam detection structure according to an embodiment of the present invention;
fig. 1c is a bottom view of the pipeline circumferential seam detection structure according to an embodiment of the present invention;
fig. 1d is a left side view of the pipeline circumferential seam detection structure according to an embodiment of the present invention;
FIG. 2a is a cross-sectional view taken along A-A of FIG. 1 a;
fig. 2b is a bottom view of the clamping assembly according to an embodiment of the present invention;
fig. 2c is a schematic view of a clamp according to an embodiment of the present invention;
fig. 2d is a front view of a clamp according to an embodiment of the present invention;
fig. 3a is a front view of a first fixing member according to an embodiment of the present invention;
fig. 3b is a side view of a first fixing member according to an embodiment of the present invention;
fig. 3c is a top view of a first fixing member according to an embodiment of the present invention;
fig. 4a is a front view of a second fixing member according to an embodiment of the present invention;
fig. 4b is a top view of a second fixing member according to an embodiment of the present invention;
fig. 5a is a front view of a connecting frame according to an embodiment of the present invention;
fig. 5b is a side view of a connecting frame according to an embodiment of the present invention;
fig. 6 is a schematic view of a guide rail according to an embodiment of the present invention.
In the drawings:
100-a clamping assembly; 110-a clamp; 111-elongated holes; 112-a platform surface; 113-raised mesa; 1130-attachment holes; 120-bearing set; 121-a limiting rod; 122-a roller; 123-a limiting head; 130-a through hole; 140-fixed block;
200-a probe assembly; 210-a first fixture; 211 — a first locking hole; 212-a second locking hole; 213-a first rectangular aperture; 214-a second rectangular aperture; 220-a second fixture; 221-mounting holes; 222-a first threaded hole; 230-a connecting frame; 231-a first connector; 2310-a second threaded hole; 232-a second linker; 240-a first locking member; 250-a second locking member;
300-a guide rail; 310-assembly holes; 320-scale; 400-a pipeline; 500-detection means.
Detailed Description
To make the objects, advantages and features of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in simplified form and are not to scale, but rather are provided for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
As used in this application, the singular forms "a", "an" and "the" include plural referents, the term "or" is generally employed in a sense including "and/or," the terms "a", "an" and "the" are generally employed in a sense including "at least one", the terms "at least two" and "two or more" are generally employed in a sense including "two or more", and moreover, the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or imply that there is a number of technical features being indicated. Thus, features defined as "first," "second," and "third" may explicitly or implicitly include one or at least two of the features unless the content clearly dictates otherwise.
The utility model provides a pipeline circumferential weld detects structure and detection device to solve the unsatisfactory problem of probe coupling effect of prior art's TOFD detection scanning ware.
The following description refers to the accompanying drawings.
As shown in fig. 1a to 1d, the present embodiment provides a pipeline circumferential weld detecting structure, which includes a guide rail 300, two clamping assemblies 100 arranged at intervals along an extending direction of the guide rail 300, and two probe assemblies 200, wherein the two clamping assemblies 100 are connected by the guide rail 300, the probe assemblies 200 are movably connected with the guide rail 300 along the extending direction of the guide rail 300, each clamping assembly 100 includes two detachably connected clamping members 110 and a plurality of bearing sets 120, the two clamping members 110 of each clamping assembly 100 are configured to be assembled with each other to form a through hole 130 for a pipeline 400 to pass through, axes of the two through holes 130 formed by the two clamping assemblies coincide and are parallel to the extending direction of the guide rail 400; a plurality of bearing sets 120 are distributed circumferentially around the through hole 130, the axis of each bearing set 120 is parallel to the axis of the through hole 130, the bearing sets 120 are rotatably connected with the clamping member 110 around the axial direction thereof, and the outer periphery of each bearing set 120 is used for abutting against the pipeline 400; the two clamping assemblies 100 are adapted to simultaneously rotate circumferentially around the through hole 130 to drive the probe assembly 200 to rotate circumferentially around the pipe 400. Preferably, referring to fig. 6, the guide rail 300 is provided with a scale 320 along its extending direction, the position of the probe assembly 200 on the guide rail can be accurately read through the scale 320, the position of the inspection tool 500 mounted on the probe assembly 200 along the guide rail 300 is further determined, and the distance between the two inspection tools 500 is relatively adjusted according to the positions of the two probe assemblies. It should be noted that, the present invention does not specifically limit the shape of the outer contour of the clamping member 110, and the shape of the inner contour is a semicircle or a semicircle, preferably, the shape of the outer contour of the clamping member 110 is a semicircle, the clamping member 110 is an arc as a whole, and the clamping member in this embodiment is preferably an arc-shaped clamping member.
Further, with continuing reference to fig. 1d and with combined reference to fig. 2a to fig. 2d, the clamping member 110 has two boss surfaces 113 extending along the radial direction of the through hole 130 and facing the center away from the through hole 130, and the two boss surfaces 113 are coplanar, the clamping member 110 is shaped like an "Ω", the boss surface 113 has a connecting hole 1130 penetrating through the boss surface 113 along the extending direction perpendicular to the guide rail 300, and the connecting holes 1130 of the two clamping members 110 are aligned with each other for the bolt to pass through and connect, thereby assembling the two clamping members 110. In one embodiment, the connecting holes 1130 are threaded holes, and only a bolt needs to be screwed, and in another embodiment, the connecting holes 1130 are smooth, and after the bolt passes through the two aligned connecting holes 1130, the other end of the bolt needs to be fixed by a nut. Further, the arc top of the clamping member 110 is provided as a flat platform surface 112, the extension direction of the flat platform surface 112 is approximately parallel to the extension direction of the boss surface 113, and the flat platform surface 112 is used for connecting with the guide rail 300, so that the guide rail 300 is stably connected with the clamping member 110, and the guide rail 300 is prevented from deflecting. Preferably, referring to fig. 1d and 2a, a fixing block 140 is further disposed on the platform surface 112 for connecting the guide rail 300, so that when the pipe 400 is inserted into the through hole 130, the distance from the guide rail 300 to the pipe 400 along the radial direction of the through hole 130 can be increased, thereby increasing the distance between the probe assembly 200 and the pipe 300 and preventing the probe assembly 200 from directly contacting the pipe 400 without adjusting the position.
Further, referring to fig. 2c and 2d, the clamping member 110 has a plurality of elongated holes 111 distributed along the circumferential direction (the clamping member shown in fig. 2c has three elongated holes), the elongated holes 111 penetrate through the clamping member 110 along the axial direction of the through hole 130, and the long axis of the elongated holes 111 extends along the radial direction of the through hole 130; the bearing sets 120 correspond to the elongated holes 111 one by one, and the bearing sets 120 are movably connected to the elongated holes 111 in the radial direction of the through holes 130. It should be understood that the major axis of the elongated hole refers to the axis along which the largest radially inner dimension of the elongated hole lies. It should be noted that the elongated hole 111 herein includes a strip-shaped hole, a waist-shaped hole, an oblong hole, an elliptical hole, or a reasonable combination of the four, and in this embodiment, the elongated hole 111 is preferably an oblong hole.
Preferably, after the two clamping members 110 are assembled with each other, all the elongated holes 111 of the two clamping members 110 are circumferentially and uniformly distributed around the axis of the through hole 130. In an exemplary embodiment, each of the clamping members 110 has three elongated holes 111, and when two clamping members 110 are assembled with each other, an included angle between two adjacent elongated holes 111 is 60 °. It should be noted that the number and distribution of the elongated holes 111 are not limited to the above examples, for example, the included angle between a part of two adjacent elongated holes may be 45 °, and those skilled in the art can reasonably arrange the number and distribution of the elongated holes according to practical application.
Further, referring to fig. 2b, the bearing assembly 120 includes a limiting rod 121, a rolling shaft 122 rotatably sleeved on the limiting rod 121, and a limiting head 123 detachably connected to one end of the limiting rod 121, wherein the limiting rod 121 is used for penetrating into the elongated hole 111, and at least one end of the limiting rod extends out of the elongated hole 111; the roller 122 is configured to abut against the pipeline 400, and the limiting head 123 is configured to be connected to the limiting rod 121 extending out of the elongated hole 111, so as to lock a radial position of the limiting rod 121 relative to the clamping member 110, that is, a position of the limiting rod 121 along a long axis of the elongated hole 111, thereby preventing the roller 122 from abutting against the pipeline 400 and the bearing set 120 from sliding in a direction away from the pipeline 400. Preferably, the limiting rod 121 is used for smoothing the rod body part connected with the roller 122, so that the friction force of the roller 122 in the rotating process can be reduced; in addition, referring to fig. 2b, the bearing set 120 includes at least two rollers 122, the two rollers 122 are sleeved on the limiting rod 121 at intervals along the axial direction of the limiting rod 121, during actual construction, the length of one roller along the axial direction thereof is usually less than half of the length of the long axis of the elongated hole, and by providing at least two rollers, the total axial length of the rollers can be made to be close to the length of the long axis of the elongated hole, so as to increase the contact area between the bearing set 120 and the pipeline 400, so that the two are attached and abutted more stably, and the rotation of the clamping assembly 100 is smoother. In a specific embodiment, the limiting rod 121 is a bolt, the roller 122 is a roller sleeved on a screw of the bolt, the limiting head 123 is a nut matched with the screw of the bolt, the bolt penetrates into the first elongated hole 111, a head of the bolt is used for limiting a position of the bolt and one end of the clamping member 110 along an axial direction of the first elongated hole 111, the nut is used for locking a radial position of the bolt relative to the clamping member 110, and correspondingly, the screw is used for connecting a body portion of the roller in a thread-free manner.
Further, the guide rail 300 is a plate-shaped member extending along the axial direction of the through hole 130, the probe assembly 200 includes a first fixing member 210 movably disposed on the guide rail 300 along the extending direction of the guide rail 300, a connecting frame 230 movably connected with the first fixing member 110 along the radial direction of the through hole 130, a second fixing member 220 detachably connected with the connecting frame 230, and a first locking member 240, the second fixing member 220 has a mounting hole 221 facing the side of the guide rail 300, that is, when the pipe 400 is inserted into the through hole 130, the mounting hole 221 is disposed on the side of the second fixing member 220 away from the pipe, and the mounting hole 221 is used for inserting and connecting the detection tool 500; the first locking member 240 is disposed on the first fixing member 210 along a direction perpendicular to the extending direction of the guide rail 300, and is used for locking the position of the second fixing member 220 relative to the first fixing member 210 by abutting against the connecting frame 230. It should be noted that the present invention is not limited to the guide rail 300 having a plate shape, the shape of the guide rail 300 may be configured according to the shape of the clamping member 110, for example, the outer contour of the clamping member 110 is an arc shape, a polygon shape or an irregular shape, and at least a portion of the guide rail 300 or the guide rail 300 may be configured with a corresponding shape to fit the outer contour of the clamping member 110, so that the guide rail 300 and the clamping member 110 are connected in a matching manner.
Optionally, the probe assembly further comprises a second locking member 250, wherein the second locking member 250 is disposed on the first fixing member 210 along a direction perpendicular to the extending direction of the guide rail 300, and is used for locking the position of the first fixing member 210 relative to the guide rail 300 by abutting against the guide rail 300.
Specifically, referring to fig. 3a to 3c, the first fixing member 210 is preferably a rectangular block, the first fixing member 210 has first locking holes 211 disposed on both sides of the guide rail along the extending direction of the guide rail, second locking holes 212 disposed perpendicular to the extending direction of the guide rail 300, first rectangular holes 213 penetrating along the extending direction of the guide rail, and second rectangular holes 214 penetrating along the extending direction perpendicular to the guide rail, the first locking holes 211 are communicated with the first rectangular holes 213, and the second locking holes 212 are communicated with the second rectangular holes 214; referring to fig. 4a and 4b, optionally, two opposite sides of the second fixing element 220 are respectively provided with a first threaded hole 222; referring to fig. 5a and 5b, the connecting frame 230 includes two first connecting bodies 231 parallel to each other and a first connecting body 232 vertically connecting the two first connecting bodies 231, preferably, the connecting frame 230 is substantially inverted "U" shaped, and the first connecting body 231 has a second threaded hole 2310 penetrating along a direction parallel to the extending direction of the second connecting body 232. When the probe assembly 200 is specifically assembled, firstly, the first fixing member 210 is movably sleeved on the guide rail 300 through the second rectangular hole 214, the second locking member 250 is inserted into the second locking hole 212, and the position of the second fixing member 220 relative to the guide rail is limited by the abutting of the second locking member 250 and the guide rail; secondly, the two first connecting bodies 231 of the connecting frame are respectively and simultaneously inserted into the two first rectangular holes 213 of the first fixing member 210, the first locking member 240 is inserted into the first locking hole 211, and the position of the connecting frame 230 relative to the center of the through hole 130 is limited by the first locking member 240 abutting against the first connecting bodies 231; finally, the screws are sequentially screwed into the second screw holes 2310 and the first screw holes 222 to mount the second fixing member 220 and the connecting frame 230, and preferably, the axes of the two first screw holes 222 on the second fixing member coincide, so that the second fixing member 220 can rotate around the two screws to adjust the detection angle. It should be noted that, the connecting frame 230 is provided with two first connecting bodies 231 to connect the second fixing member 220, so that the second fixing member 220 can be prevented from deflecting and tilting when adjusting the position along the radial direction of the through hole 130.
Furthermore, the included angle formed by the axis of the mounting hole 221 and the axis of the through hole 130 is an acute angle, and in the adjacent probe assembly and clamping assembly, the axis of the mounting hole 221 is inclined towards the direction close to the clamping assembly. With this arrangement, the detection direction of the detection tool 500 inserted into the mounting hole 221 is prevented from being perpendicular to the axial direction of the through hole 130, and the detection work for the pipe circumferential seam cannot be performed. Preferably, the included angle formed by the axis of the mounting hole 221 and the axis of the through hole 130 is between 30 ° and 60 °, and preferably, the included angle is 45 °.
Optionally, referring to fig. 6, the guide rail 300 has at least four assembling holes 310 penetrating in the radial direction of the through hole 130, the at least four assembling holes 310 are arranged at intervals in the axial direction of the through hole 130, and each of the clamping assemblies 100 is connected to the guide rail 300 through at least two assembling holes 310, specifically, screws are threaded through the assembling holes and threaded on the platform surface 112 of the clamping member. So configured, the degree of rotation of the guide rail 300 may be defined, specifically, the rotation of the guide rail 300 about the axis of the single mounting hole 310. It should be noted that the arrangement of the at least four assembly holes 310 is not limited to the arrangement along the axial direction of the through hole 130, and in practice, the at least four assembly holes 310 may be arranged in any manner.
The embodiment also provides a pipeline circumferential seam detection device, which comprises a detection tool 500 and a pipeline circumferential seam detection structure as described above, wherein the detection tool 500 is detachably connected with the probe assembly 200 of the pipeline circumferential seam detection structure. Specifically, the detection tool 500 is screwed with the mounting hole of the second fixing member 220. In one particular embodiment, the inspection tool is a TOFD probe.
In summary, in the pipe circumferential seam detecting structure and detecting device provided by the present invention, the pipe circumferential seam detecting structure includes a guide rail, two clamping assemblies and two probe assemblies, the two clamping assemblies are arranged at intervals along the extending direction of the guide rail, the two clamping assemblies are connected through the guide rail, the probe assembly is movably connected with the guide rail along the extending direction of the guide rail, each clamping assembly includes two detachably connected clamping members and a plurality of bearing sets, the two clamping members of each clamping assembly are used for being assembled with each other to form a through hole for a pipe to pass through, the axes of the two through holes formed by the two clamping assemblies coincide and are parallel to the extending direction of the guide rail; the bearing groups are distributed around the through hole in the circumferential direction, the axis of each bearing group is parallel to the axis of the through hole, the bearing groups are rotatably connected with the clamping piece around the axial direction of the bearing groups, and the periphery of each bearing group is used for abutting against the pipeline; the two clamping assemblies are used for synchronously rotating around the through hole in the circumferential direction so as to drive the probe assembly to rotate around the pipeline in the circumferential direction. Through setting up two centre gripping subassemblies and surrounding through-hole circumferential direction in order to drive probe assembly around pipeline circumferential direction in step, can make the probe instrument of installing on probe assembly rotate a week around the pipeline, accomplish to the scanning of whole pipeline circumferential weld and examine the detection, further set up a plurality of bearing groups of rotationally being connected with the holder, can reduce the rotation resistance of centre gripping subassembly and pipeline, make the centre gripping subassembly rotate more smoothly. The utility model discloses can make pipeline circumferential weld detection efficiency higher, detect that instrument coupling effect is better, the testing result is more accurate.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims (10)

1. A pipeline circumferential weld detects structure, characterized by, including the guide rail, two clamping assembly and two probe assemblies that arrange at interval along the extending direction of the guide rail, two said clamping assembly pass through the said guide rail is connected, the said probe assembly is connected with said guide rail movably along the extending direction of the said guide rail, every said clamping assembly includes two detachably connected clamping pieces and multiple bearing groups, two said clamping pieces of every said clamping assembly are used for assembling each other in order to form a through hole for the pipeline to wear to establish, the axis of two through holes formed by two said clamping assemblies coincides, and is parallel to the extending direction of the said guide rail;
the bearing groups are distributed around the through hole in the circumferential direction, the axis of each bearing group is parallel to the axis of the through hole, the bearing groups are rotatably connected with the clamping piece around the axial direction of the bearing groups, and the periphery of each bearing group is used for abutting against the pipeline;
the two clamping assemblies are used for synchronously rotating around the through hole in the circumferential direction so as to drive the probe assembly to rotate around the pipeline in the circumferential direction.
2. The pipe circumferential seam detecting structure according to claim 1, wherein the clamping member has a plurality of elongated holes distributed circumferentially, the elongated holes penetrate the clamping member in an axial direction of the through hole, and a long axis of the elongated holes extends in a radial direction of the through hole; the bearing sets correspond to the strip holes one to one, and the bearing sets are movably connected with the strip holes along the radial direction of the through holes.
3. The pipeline circumferential seam detection structure of claim 2, wherein the bearing set comprises a limiting rod, a roller rotatably sleeved on the limiting rod, and a limiting head detachably connected with one end of the limiting rod, the limiting rod is used for penetrating the elongated hole, and at least one end of the limiting rod extends out of the elongated hole; the roller is used for abutting against the pipeline, and the limiting head is used for being connected with a limiting rod extending out of the elongated hole so as to lock the radial position of the limiting rod relative to the clamping piece.
4. The pipe circumferential seam detection structure according to claim 2, wherein after the two clamping members are assembled with each other, all the elongated holes of the two clamping members are circumferentially and uniformly distributed around the axis of the through hole.
5. The pipe circumferential seam detecting structure according to claim 1, wherein the guide rail is a plate-shaped member extending in an axial direction of the through hole, the probe assembly includes a first fixing member movably disposed on the guide rail in an extending direction of the guide rail, a connecting frame movably connected to the first fixing member in a radial direction of the through hole, a second fixing member detachably connected to the connecting frame, and a first locking member, a side of the second fixing member facing the guide rail has a mounting hole for insertion of a detection tool; the first locking piece is arranged on the first fixing piece along the extending direction perpendicular to the guide rail and used for locking the position of the second fixing piece relative to the first fixing piece by abutting against the connecting frame.
6. The pipe circumferential seam detecting structure of claim 5, wherein the probe assembly further comprises a second locking member disposed on the first fixing member along a direction perpendicular to the extending direction of the guide rail, for locking the position of the first fixing member relative to the guide rail by abutting against the guide rail.
7. The pipe circumferential seam detecting structure of claim 5, wherein an included angle formed by the axis of the mounting hole and the axis of the through hole is an acute angle, and in the adjacent probe assembly and clamping assembly, the axis of the mounting hole is inclined toward the direction close to the clamping assembly.
8. The pipe circumferential seam detecting structure according to claim 1, wherein the guide rail has at least four fitting holes penetrating in a radial direction of the through hole, the at least four fitting holes are arranged at intervals in an axial direction of the through hole, and each of the clamping members is connected to the guide rail through at least two of the fitting holes, respectively.
9. The pipe circumferential seam detecting structure according to claim 1, wherein the guide rail is provided with a scale along an extending direction thereof.
10. A pipeline circumferential weld detection device, characterized by comprising a detection tool and a pipeline circumferential weld detection structure according to any one of claims 1-9, wherein the detection tool is detachably connected with a probe assembly of the pipeline circumferential weld detection structure.
CN202022223748.1U 2020-09-30 2020-09-30 Pipeline circumferential weld detects structure and detection device Active CN213209998U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022223748.1U CN213209998U (en) 2020-09-30 2020-09-30 Pipeline circumferential weld detects structure and detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022223748.1U CN213209998U (en) 2020-09-30 2020-09-30 Pipeline circumferential weld detects structure and detection device

Publications (1)

Publication Number Publication Date
CN213209998U true CN213209998U (en) 2021-05-14

Family

ID=75824448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022223748.1U Active CN213209998U (en) 2020-09-30 2020-09-30 Pipeline circumferential weld detects structure and detection device

Country Status (1)

Country Link
CN (1) CN213209998U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114062397A (en) * 2021-10-13 2022-02-18 安徽华昇检测科技有限责任公司 Intelligent evaluation system for nondestructive testing
CN114324597A (en) * 2022-03-16 2022-04-12 山西华羽盛泰科技有限公司 PE pipe phased array probe location frock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114062397A (en) * 2021-10-13 2022-02-18 安徽华昇检测科技有限责任公司 Intelligent evaluation system for nondestructive testing
CN114324597A (en) * 2022-03-16 2022-04-12 山西华羽盛泰科技有限公司 PE pipe phased array probe location frock

Similar Documents

Publication Publication Date Title
CN213209998U (en) Pipeline circumferential weld detects structure and detection device
JPH03502491A (en) Measuring device that simultaneously measures cylindrical holes located one after the other
US6564466B2 (en) Measuring apparatus for pulley
KR102427617B1 (en) Inspection tool using method
CN110567339A (en) Method for detecting position degree of circumferential hole on end face of super-huge type bearing
US5410817A (en) Measuring tool with concentric point
US6079286A (en) Universal transducer
US5704132A (en) Indicator holder with slidable connecting member
CN214095812U (en) Inclined hole position degree detection tool
JP3430991B2 (en) Auxiliary tool for hole position measurement
CN214372169U (en) Adjustable thickness measurement device
CN212931291U (en) Roundness detection device
CN113959294A (en) Measuring tool for detecting shock absorber cover
CN213259468U (en) Pipeline marking structure and marking device
CN210514185U (en) Variable angle ultrasonic probe
CN114739264B (en) Integrated detection device for shaft sleeve parts
CN216205936U (en) Roundness measurement auxiliary clamp
CN213874116U (en) Detection tool for detecting cylindricity of inner gear ring
CN212761140U (en) Tailstock and processing device
CN214747597U (en) Measuring tool for detecting position of upper hole of thin-wall ring
CN211425303U (en) Windscreen wiper crank center distance testing fixture
CN218002512U (en) Auxiliary measuring tool for eccentric round hole
CN213657709U (en) Welding inspection device for reverse shift fork shaft and inspection device for shaft parts
CN218410963U (en) Device for debugging and detecting length and angle of pull rod type assembly
CN216115715U (en) Crankshaft checking tool

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant