CN221100615U

CN221100615U - Portable pipeline spiral weld TOFD detects auxiliary device

Info

Publication number: CN221100615U
Application number: CN202322526364.0U
Authority: CN
Inventors: 陈广宇; 刘长军; 王树祥; 王志明; 宋秋桃; 马琛
Original assignee: Shenyang University of Technology
Current assignee: Shenyang University of Technology
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-06-07
Anticipated expiration: 2033-09-18

Abstract

The utility model provides a portable pipeline spiral weld TOFD detection auxiliary device, which comprises a support assembly, a first clamping assembly, a second clamping assembly, a detection main body and a pipeline to be detected, wherein the support assembly is connected with the first clamping assembly; the first clamping assembly is arranged on one side wall of the supporting assembly, the second clamping assembly is arranged on the other side wall of the supporting assembly, the first clamping assembly and the second clamping assembly are arranged in a mutually corresponding mode, a pipeline to be detected sequentially passes through the first clamping assembly and the second clamping assembly, so that the first clamping assembly and the second clamping assembly clamp the pipeline to be detected, the detecting main body is arranged on one side wall of the supporting assembly, and the detecting main body is positioned above the pipeline to be detected, so that the detecting main body detects the pipeline to be detected; can solve prior art always when carrying out TOFD and examine time, can not carry out the centre gripping to different pipelines, need change different clamping components, the centre gripping is very inconvenient, reduces work efficiency.

Description

Portable pipeline spiral weld TOFD detects auxiliary device

Technical Field

The utility model belongs to the technical field of TOFD detection of pipeline welding seams, and particularly relates to a portable auxiliary device for TOFD detection of pipeline spiral welding seams.

Background

At present, spiral welding refers to a steel pipe which is formed by bending and deforming a steel belt or a steel plate into a round shape, a square shape and the like and then welding, wherein the surface of the steel pipe is provided with a seam, the position of the seam is required to be detected after the seam is welded, and the detection is carried out by a TOFD detection device, namely an ultrasonic diffraction time difference method.

Through searching, the patent with the Chinese patent number of CN218896070U discloses the technical field of thick-wall pipe weld joint detection, and particularly relates to a thick-wall pipe weld joint TOFD detection device. It includes a pair of spacing components and detection device. According to the utility model, the sliding rod is limited by the positions of the two limiting assemblies, so that circular motion can be performed on the outer wall of the thick-wall pipe, TOFD detection is performed on each position on the outer side of the thick-wall pipe, and meanwhile, in the rotating process of the sliding rod, the sliding rod is clamped by the positions of the two limiting assemblies, so that even if the sliding rod is positioned at the bottommost end of the thick-wall pipe, a detector is not required to manually fix the sliding rod continuously, the automatic fixing function of the position of the sliding rod is realized, and the workload of the detector is reduced. However, when the device clamps the pipeline, because the diameter size between the limiting components of the clamp is fixed, when the pipelines with different sizes are clamped, different clamping components need to be replaced, so that the device is inconvenient to clamp, and the working efficiency is reduced.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is to provide the portable auxiliary device for detecting the TOFD of the spiral weld of the pipeline, which can solve the problems that different pipelines cannot be clamped when TOFD detection is always carried out in the prior art, different clamping assemblies need to be replaced, the clamping is very inconvenient, and the working efficiency is reduced.

In order to solve the problems, the utility model provides a portable pipeline spiral weld TOFD detection auxiliary device, which comprises a support assembly, a first clamping assembly, a second clamping assembly, a detection main body and a pipeline to be detected;

The first clamping assembly is arranged on one side wall of the supporting assembly, the second clamping assembly is arranged on the other side wall of the supporting assembly, the first clamping assembly and the second clamping assembly are arranged in a mutually corresponding mode, a pipeline to be detected sequentially passes through the first clamping assembly and the second clamping assembly, the first clamping assembly and the second clamping assembly clamp the pipeline to be detected, the detecting main body is arranged on one side wall of the supporting assembly, and the detecting main body is located above the pipeline to be detected, so that the detecting main body detects the pipeline to be detected.

Optionally, the support assembly includes a first support frame, a second support frame, at least one first support column, and at least one second support column;

Through coupling assembling interconnect between first support frame and the second support frame, at least one first support column sets up the lower surface at first support frame, at least one second support column sets up the lower surface at the second support frame, so that first support column and second support column support first support frame and second support frame, first clamping component is connected with first support column simultaneously, second clamping component is connected with the second support frame, second clamping component is connected with the second support column simultaneously, detect the lower surface of main part all with first support frame and the lower surface of second support frame and be connected.

Optionally, the lower surface of first support frame and second support frame all sets up the mounting groove, and the mounting groove that is located on the first support frame and the mounting groove that is located on the second support frame are intercommunication each other, and the inside slip of mounting groove is provided with the installation piece, and the both ends lateral wall of installation piece all is provided with the locating lever, and the locating lever all is connected with the both ends lateral wall of mounting groove, and the detection main part is connected with the lower surface of installation piece.

Optionally, the connection assembly includes at least one connection hole and at least one connection rod;

At least one connecting hole is arranged on one side wall of the first supporting frame, at least one connecting rod is arranged on one side wall, close to the connecting hole, of the second supporting frame, at least one connecting rod is inserted into at least one connecting hole, and the connecting holes are in one-to-one correspondence with the connecting rods.

Optionally, be provided with a plurality of protruding pieces on the pole wall of connecting rod, be provided with a plurality of recesses on the connecting hole inside wall, protruding piece and recess are mutually supported and are connected, and wherein protruding piece and recess one-to-one set up.

Optionally, the first clamping assembly comprises a first rotating assembly, two first supporting rings, a first placing ring, a plurality of first screws and a plurality of first threaded pipes;

The two first support rings are connected with the lower surface of the first support frame, the first support rings are arranged between the two first support rings in a sliding mode, the first rotating assembly is connected with the first support columns, the first rotating assembly drives the first support columns to rotate, the plurality of first screw rods are evenly arranged on the inner side walls of the first support rings in an annular mode, the first screw tubes are connected with the first screw rods, the first screw tubes are arranged in one-to-one correspondence with the first screw rods, and the first screw tubes clamp the pipeline to be detected.

Optionally, the first rotating assembly includes a first rack, a first rotating electric machine, a first gear, and a first mounting hole;

The first mounting hole is formed in the first support column, the first gear is rotatably mounted in the first mounting hole, the first rotating motor is fixedly mounted on the side wall of the first support column, the output end of the first rotating motor is connected with the first gear, the first rack is fixedly arranged on the first placement ring in an annular mode, and the first gear and the first rack are in meshed transmission.

Optionally, the second clamping assembly comprises a second rotating assembly, two second support rings, a second placement ring, a plurality of second screws, and a plurality of second threaded tubes;

The lower surface that two second support rings all are connected with the second support frame, and the second is placed the ring and is slided and set up between two second support rings, and the second rotating assembly is connected with the second and is placed the ring, and the second rotating assembly is connected with the second support column to make the second rotating assembly drive the second and place the ring and rotate, a plurality of second screw rods are annular even setting and place the inside wall of ring at the second, and the second screwed pipe is all connected with the second screw rod, and second screwed pipe and second screw rod one-to-one set up, and the second screwed pipe presss from both sides tightly and waits to detect the pipeline.

Optionally, the second rotating assembly includes a second rack, a second rotating electric machine, a second gear, and a second mounting hole;

The second mounting hole sets up on the second support column, and the second gear rotates and installs inside the second mounting hole, and second rotating electrical machines fixed mounting is on the lateral wall of second support column, and the output of second rotating electrical machines is connected with the second gear, and the second rack is annular fixed setting and is placing the ring at the second, second gear and second rack intermeshing transmission.

Advantageous effects

According to the portable pipeline spiral weld TOFD detection auxiliary device provided by the embodiment of the utility model, the pipeline to be detected is clamped through the first clamping component and the second clamping component, the pipelines with different diameters are clamped through the adjustment between the first screw and the first threaded pipe and the adjustment between the second screw and the second threaded pipe, the clamping components are prevented from being replaced, meanwhile, the pipeline to be detected is rotated stably through the first rotating component and the second rotating component, the detection error is reduced, and the pipeline detection precision is improved through uniform rotation.

The advantages are that:

1. When the device for detecting the TOFD of the spiral weld joint of the pipeline is used, the pipeline is placed in the first placing ring and the second placing ring at two ends, and the positions of the pipeline to be detected are fixed through the mutual matching between the first screw rod and the first threaded pipe and between the second screw rod and the second threaded pipe, so that the device is suitable for clamping the pipelines to be detected with different sizes.

2. When the device for detecting the TOFD of the spiral weld of the pipeline is used, the first support ring and the second support ring can conveniently drive the pipeline to be detected to rotate by utilizing the first support ring through the driving between the first rotating motor and the first gear and the driving between the second rotating motor and the second gear due to the fact that the position of the main body is stable, the detection precision is improved, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of the overall perspective structure of a TOFD detection auxiliary device for a spiral weld of a pipeline according to an embodiment of the utility model;

Fig. 2 is a schematic bottom perspective view of a device for assisting TOFD detection of a spiral weld in a pipeline according to an embodiment of the present utility model;

Fig. 3 is a schematic view of a connection structure of a first support frame and a second support frame according to an embodiment of the present utility model;

FIG. 4 is a schematic perspective view of a first clamping assembly according to an embodiment of the utility model;

Fig. 5 is a schematic perspective view of a second clamping assembly according to an embodiment of the utility model.

The reference numerals are expressed as:

1. A support assembly; 100. a first support frame; 101. a second support frame; 102. a first support column; 103. a second support column;

2. A first clamping assembly; 200. a first support ring; 201. a first placement ring; 202. a first screw; 203. a first threaded pipe;

3. A second clamping assembly; 300. a second support ring; 301. a second placement ring; 302. a second screw; 303. a second threaded tube;

4. A detection body; 5. a pipeline to be detected; 6. a mounting groove; 7. a mounting block; 8. a positioning rod; 9. a connection hole; 10. a connecting rod; 11. a first rack; 12. a first rotating electric machine; 13. a first gear; 14. a first mounting hole; 15. a second rack; 16. a second rotating electric machine; 17. a second gear; 18. and a second mounting hole.

Detailed Description

Referring to fig. 1 to 5 in combination, a portable pipe spiral weld TOFD detection auxiliary device according to an embodiment of the present utility model includes a support assembly 1, a first clamping assembly 2, a second clamping assembly 3, a detection body 4, and a pipe 5 to be detected; the first clamping assembly 2 is arranged on one side wall of the supporting assembly 1, the second clamping assembly 3 is arranged on the other side wall of the supporting assembly 1, the first clamping assembly 2 and the second clamping assembly 3 are arranged correspondingly to each other, the pipeline 5 to be detected sequentially passes through the first clamping assembly 2 and the second clamping assembly 3, the pipeline 5 to be detected is clamped by the first clamping assembly 2 and the second clamping assembly 3, the detecting main body 4 is arranged on one side wall of the supporting assembly 1, and the detecting main body 4 is located above the pipeline 5 to be detected, so that the detecting main body 4 is used for detecting the pipeline 5 to be detected. Carry out fixed connection through supporting component 1 to first clamping component 2 and second clamping component 3, and then realize that first clamping component 2 and second clamping component 3 carry out the centre gripping to treat detecting pipeline 5, detect main part 4 simultaneously and fix at supporting component 1's lower surface, be close to and treat detecting pipeline 5 setting, and then realize detecting main part 4 and treat detecting pipeline 5 and detect, simultaneously realize not only carrying out the centre gripping to treating detecting pipeline 5 of different diameter sizes through first clamping component 2 and second clamping component 3, ensure simultaneously that treating detecting pipeline 5 carries out steady rotation, not only avoid frequently changing the clamping component, improve the detection precision simultaneously.

Further, the support component 1 is placed on the ground, the first clamping component 2 and the second clamping component 3 are respectively arranged at two ends of the support component 1 and are symmetrically arranged, and meanwhile, a distance is arranged between the first clamping component 2 and the second clamping component, so that the pipeline 5 to be detected is conveniently clamped, and meanwhile, the pipeline 5 to be detected is conveniently detected through the detection main body 4. The distance between the first clamping assembly 2 and the second clamping assembly 3 is installed according to actual use, and detection convenience is guaranteed.

Further, referring to fig. 1 and 2, the pipe 5 to be detected sequentially passes through the first clamping assembly 2 and the second clamping assembly 3, that is, the pipe 5 to be detected is clamped by the first clamping assembly 2 and the second clamping assembly 3, and meanwhile, the detecting main body 4 is fixedly installed on the lower surface of the supporting assembly 1, that is, the pipe 5 to be detected is conveniently detected by the detecting main body 4.

Referring to fig. 2, the support assembly 1 includes a first support frame 100, a second support frame 101, at least one first support column 102 and at least one second support column 103; the first support frame 100 and the second support frame 101 are connected with each other through a connecting component, at least one first support column 102 is arranged on the lower surface of the first support frame 100, at least one second support column 103 is arranged on the lower surface of the second support frame 101, so that the first support column 102 and the second support column 103 support the first support frame 100 and the second support frame 101, the first clamping component 2 is connected with the first support frame 100, the first clamping component 2 is connected with the first support column 102, the second clamping component 3 is connected with the second support frame 101, the second clamping component 3 is connected with the second support column 103, and the detection main body 4 is connected with the lower surface of the first support frame 100 and the lower surface of the second support frame 101. The first support column 102 and the second support column 103 are used for supporting the first support frame 100 and the second support frame 101, and further the first clamping assembly 2 and the second clamping assembly 3 are supported and fixed.

Further, the first supporting frame 100 may be a supporting plate or a supporting frame, and the first supporting frame 100 may be selected according to practical situations, that is, the first supporting frame 100 may play a role in stable supporting. While the second support frame 101 is identical to the first support frame 100, this is not illustrated.

Further, the first support frame 100 and the second support frame 101 are connected with each other through a connecting component, so that the first support frame 100 and the second support frame 101 are fixedly connected.

Further, the number of the at least one first support column 102 may be one or 2, and the specific number is selected according to practical use, and the second support column 103 is described as being identical to the first support column 102.

As an example, the number of first support columns 102 and second support columns 103 is 1, i.e., the first support columns 102 and second support columns 103 are disposed at opposite angles.

As another embodiment, the number of the first support columns 102 and the second support columns 103 is 2, that is, two first support columns 102 are symmetrically disposed at two ends of the first support frame 100 relative to the first support frame 100, and two second support columns 103 are symmetrically disposed at two ends of the second support frame 101 relative to the second support frame 101. I.e. the first support column 102 and the second support column 103 form a rectangle.

Further, the first supporting frame 100 and the first supporting column 102 and the second supporting frame 101 and the second supporting column 103 are fixedly connected through bolts, or are integrally formed, and the specific connection mode is not further described, so long as the connection is stable.

Further, the upper end of the first clamping component 2 is fixedly connected with the lower surface of the first supporting frame 100, a side wall of the first clamping component 2 is connected with the first supporting column 102, the first clamping component 2 is fixedly connected, the same is true, the upper end of the second clamping component 3 is fixedly connected with the lower surface of the second supporting frame 101, a side wall of the second clamping component 3 is connected with the second supporting column 103, and the second clamping component 3 is fixedly connected.

Further, the detecting body 4 is fixedly connected with the lower surfaces of the first supporting frame 100 and the second supporting frame 101 at the same time, so that the detecting body 4 can detect the pipeline 5 to be detected.

Referring to fig. 3, the lower surfaces of the first support frame 100 and the second support frame 101 are respectively provided with a mounting groove 6, the mounting grooves 6 on the first support frame 100 and the mounting grooves 6 on the second support frame 101 are mutually communicated, the mounting grooves 6 are internally provided with mounting blocks 7 in a sliding manner, two end side walls of the mounting blocks 7 are respectively provided with a positioning rod 8, the positioning rods 8 are respectively connected with two end side walls of the mounting grooves 6, and the detection main body 4 is connected with the lower surface of the mounting blocks 7.

Further, the mounting grooves 6 provided on the first support frame 100 and the second support frame 101 are symmetrically arranged, and the mounting grooves 6 are mutually communicated, that is, the mounting grooves 6 provided on the first support frame 100 and the second support frame 101 are mutually combined, so as to facilitate the mounting of the mounting block 7.

Further, the positioning rods 8 are arranged on the side walls at two ends of the mounting block 7, the positioning rods 8 at one side are inserted into the inner side wall of one side of the mounting groove 6 on the first support frame 100, namely, the fixed connection is realized, the positioning rods 8 at the other side are inserted into the inner side wall of the other side of the mounting groove 6 on the second support frame 101, and the first support frame 100 and the second support frame 101 are clamped mutually, namely, the fixed connection is realized. The installation is convenient.

Further, the lower surface of the mounting block 7 is fixedly connected with the detection main body 4, namely, detection of the pipeline 5 to be detected below the detection main body 4 by the detection main body 4 is realized.

The connection assembly comprises at least one connection hole 9 and at least one connection rod 10; at least one connecting hole 9 is formed in a side wall of the first support frame 100, at least one connecting rod 10 is formed in a side wall of the second support frame 101 close to the connecting hole 9, at least one connecting rod 10 is inserted into the at least one connecting hole 9, and the connecting holes 9 and the connecting rods 10 are in one-to-one correspondence. The first support 100 and the second support 101 are fixedly connected by inserting the connecting rod 10 into the connecting hole 9.

Further, the number of the connecting holes 9 may be one or 2, or may be plural, that is, may be selected according to practical situations. Meanwhile, the number of the connecting rods 10 is in one-to-one correspondence with the connecting holes 9, namely, the first supporting frame 100 and the second supporting frame 101 are fixedly connected.

Further, a plurality of protruding blocks are arranged on the rod wall of the connecting rod 10, a plurality of grooves are arranged on the inner side wall of the connecting hole 9, the protruding blocks are mutually matched and connected with the grooves, the protruding blocks and the grooves are arranged in one-to-one correspondence, and therefore the connecting rod 10 and the connecting hole 9 are fixedly connected.

Referring to fig. 4, the first clamping assembly 2 includes a first rotating assembly, two first supporting rings 200, a first placing ring 201, a plurality of first screws 202 and a plurality of first threaded pipes 203; the two first support rings 200 are connected with the lower surface of the first support frame 100, the first placement rings 201 are arranged between the two first support rings 200 in a sliding mode, the first rotating assembly is connected with the first placement rings 201 and connected with the first support columns 102, the first rotating assembly drives the first placement rings 201 to rotate, the plurality of first screw rods 202 are evenly arranged on the inner side walls of the first placement rings 201 in a ring shape, the first threaded pipes 203 are connected with the first screw rods 202, the first threaded pipes 203 are arranged in one-to-one correspondence with the first screw rods 202, and the first threaded pipes 203 clamp the pipeline 5 to be detected. The first clamping assembly 2 is used for clamping the pipeline 5 to be detected, namely the pipeline 5 to be detected is placed in a circle formed by a plurality of first threaded pipes 203, and the first threaded pipes 203 and the first screws 202 are mutually adjusted, so that the pipeline 5 to be detected is clamped by the first threaded pipes 203. Meanwhile, the first placing ring 201 is driven to rotate through the first rotating assembly, stable rotation of the pipeline 5 to be detected is achieved, and detection accuracy is improved.

Further, the two first supporting rings 200 are fixedly connected to the lower surface of the first supporting frame 100 through a plurality of fixing rods 19. One end of each of the fixing rods 19 is fixedly connected with the first supporting ring 200, and the other end of each of the fixing rods 19 is fixedly connected with the first supporting frame 100, so that the two first supporting rings 200 are fixed on the first supporting frame 100. The number of specific fixing bars 19 is chosen according to the actual use.

Further, the first placing ring 201 is also annular and is slidably connected with the two first supporting rings 200, so that the first placing ring 201 can slide along the two first supporting rings 200, that is, rotate, and further realize stable rotation of the pipeline 5 to be detected.

Further, the first threaded pipe 203 is provided with a clamping pad, that is, the pipeline 5 to be detected is contacted with the clamping pad, so that the clamping stability is improved, and the pipeline 5 to be detected is prevented from being damaged during clamping.

Further, the first rotating component is for driving the first placing ring 201 to rotate. Wherein the first rotating assembly includes a first rack gear 11, a first rotating electric machine 12, a first gear 13, and a first mounting hole 14; the first mounting hole 14 is formed in the first support column 102, the first gear 13 is rotatably mounted in the first mounting hole 14, the first rotating motor 12 is fixedly mounted on the side wall of the first support column 102, the output end of the first rotating motor 12 is connected with the first gear 13, the first rack 11 is fixedly arranged on the first placement ring 201 in a ring shape, the first gear 13 and the first rack 11 are in meshed transmission, namely, the first gear 13 and the first rack 11 are stably connected, so that rotation is more stable, connection is simple, and replacement and maintenance are facilitated. The first gear 13 is driven to rotate at a constant speed through the first rotating motor 102, the first gear 13 is meshed with the first rack 11, the first rack 11 is driven to rotate, the first rack 11 is fixedly connected with the first placing ring 201, the first placing ring 201 is driven to rotate, and the rotation of the pipeline 5 to be detected is achieved.

Further, the first mounting hole 14 is formed in the first support column 102 by cutting or milling or other machining, and the first mounting hole 14 is formed in one of the first support columns 102, that is, the first gear 13 is mounted, so that the first gear 13 can be mounted in the inner space of the first mounting hole 14, and the specific shape is not limited.

Further, the first gear 13 is rotatably connected with the first mounting hole 14 through a rotation shaft, that is, the first gear 13 is fixedly connected with the rotation shaft through a key connection, so that stable rotation of the first gear 13 is ensured.

Further, the first rack 11 is installed on the first placement ring 201 in a ring shape, and is fixedly connected with the first placement ring 201, and further, the first rack 11 is meshed through rotation of the first gear 13, so as to drive the first placement ring 201 to rotate.

Referring to fig. 5, the second clamping assembly 3 includes a second rotating assembly, two second supporting rings 300, a second placing ring 301, a plurality of second screws 302, and a plurality of second threaded pipes 303; the two second support rings 300 are connected with the lower surface of the second support frame 101, the second placing rings 301 are arranged between the two second support rings 300 in a sliding mode, the second rotating assembly is connected with the second placing rings 301 and connected with the second support columns 103, the second rotating assembly drives the second placing rings 301 to rotate, the plurality of second screw rods 302 are evenly arranged on the inner side walls of the second placing rings 301 in a ring shape, the second threaded pipes 303 are connected with the second screw rods 302, the second threaded pipes 303 are arranged in one-to-one correspondence with the second screw rods 302, and the second threaded pipes 303 clamp the pipeline 5 to be detected. The specific connection manner and the working principle of the second clamping assembly 3 are the same as those of the first clamping assembly 2, so that a specific description will not be given.

The second rotating assembly includes a second rack 15, a second rotating electric machine 16, a second gear 17, and a second mounting hole 18; the second mounting hole 18 is formed in the second support column 103, the second gear 17 is rotatably mounted in the second mounting hole 18, the second rotary motor 16 is fixedly mounted on the side wall of the second support column 103, the output end of the second rotary motor 16 is connected with the second gear 17, the second rack 15 is fixedly arranged on the second placing ring 301 in an annular mode, and the second gear 17 and the second rack 15 are in meshed transmission. The specific connection manner and the working principle of the second rotating assembly are identical to those of the first rotating assembly, so that the specific description is omitted.

Working principle:

When the pipe spiral weld TOFD detection device is used, firstly, the installation block 7 is installed in the installation groove 6, is connected in the side wall of the installation groove 6 through the positioning rod 8, then the first support frame 100 and the second support frame 101 are connected with the connecting rod 10 through the connecting hole 9, and the connecting rod 10 and the connecting hole 9 can be placed through the anti-slip particles arranged in the connecting hole 9 and the rod wall of the connecting rod 10, so that the connection between the first support frame 100 and the second support frame 101 is more fastened, when the pipe is detected, referring to figure 1, firstly, the pipe 5 to be detected is placed in the first placing ring 201 and the second placing ring 301, so that the weld joint of the pipe 5 to be detected is positioned at the lower end of the detection main body 4, then the first threaded pipe 203 and the second threaded pipe 303 are rotated, the clamping pads at the upper ends of the first threaded pipe 203 and the second threaded pipe 303 clamp the side wall of the pipeline 5 to be detected, the pipeline 5 to be detected is clamped between the first threaded pipe 203 and the second threaded pipe 303, then the first rotating motor 12 and the second rotating motor 16 are opened, the first gear 13 is meshed with the first gear rack 11 to rotate, the first gear rack 11 drives the first placing ring 201 to rotate, the second gear 17 is meshed with the second gear rack 15 to rotate, the second gear rack 15 drives the second placing ring 301 to rotate, and therefore the pipeline 5 to be detected can be driven to rotate, and the welding seam can be detected by the detecting main body 4 because the spiral welding position of the pipeline 5 to be detected is located at the lower end of the detecting main body 4.

It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.

Claims

1. The portable pipeline spiral weld TOFD detection auxiliary device is characterized by comprising a support assembly (1), a first clamping assembly (2), a second clamping assembly (3), a detection main body (4) and a pipeline (5) to be detected;

the first clamping assembly (2) is arranged on one side wall of the supporting assembly (1), the second clamping assembly (3) is arranged on the other side wall of the supporting assembly (1), the first clamping assembly (2) and the second clamping assembly (3) are arranged in a mutually corresponding mode, the pipeline (5) to be detected sequentially passes through the first clamping assembly (2) and the second clamping assembly (3), the pipeline (5) to be detected is clamped by the first clamping assembly (2) and the second clamping assembly (3), the detecting main body (4) is arranged on one side wall of the supporting assembly (1), and the detecting main body (4) is located above the pipeline (5) to be detected, so that the pipeline (5) to be detected is detected by the detecting main body (4).

2. The portable pipeline spiral weld TOFD detection aid according to claim 1, wherein the support assembly (1) comprises a first support frame (100), a second support frame (101), at least one first support column (102) and at least one second support column (103);

The first support frame (100) and the second support frame (101) are connected through the connecting assembly, at least one first support column (102) is arranged on the lower surface of the first support frame (100), at least one second support column (103) is arranged on the lower surface of the second support frame (101), so that the first support column (102) and the second support column (103) support the first support frame (100) and the second support frame (101), the first clamping assembly (2) is connected with the first support frame (100), meanwhile, the first clamping assembly (2) is connected with the first support column (102), the second clamping assembly (3) is connected with the second support frame (101), and meanwhile, the second clamping assembly (3) is connected with the second support column (103), and the detection main body (4) is connected with the lower surface of the first support frame (100) and the lower surface of the second support frame (101).

3. The portable pipeline spiral weld TOFD detection auxiliary device according to claim 2, wherein the lower surfaces of the first support frame (100) and the second support frame (101) are provided with mounting grooves (6), the mounting grooves (6) on the first support frame (100) and the mounting grooves (6) on the second support frame (101) are mutually communicated, mounting blocks (7) are slidably arranged in the mounting grooves (6), positioning rods (8) are arranged on the side walls of two ends of the mounting blocks (7), the positioning rods (8) are connected with the side walls of two ends of the mounting grooves (6), and the detection main body (4) is connected with the lower surface of the mounting blocks (7).

4. The portable pipeline spiral weld TOFD detection aid according to claim 2, wherein the connection assembly comprises at least one connection hole (9) and at least one connection rod (10);

At least one connecting hole (9) is formed in one side wall of the first supporting frame (100), at least one connecting rod (10) is arranged on one side wall, close to the connecting hole (9), of the second supporting frame (101), at least one connecting rod (10) is inserted into the at least one connecting hole (9), and the connecting holes (9) and the connecting rods (10) are in one-to-one correspondence.

5. The portable pipeline spiral weld TOFD detection auxiliary device according to claim 4, wherein a plurality of protruding blocks are arranged on the rod wall of the connecting rod (10), a plurality of grooves are arranged on the inner side wall of the connecting hole (9), the protruding blocks are mutually matched and connected with the grooves, and the protruding blocks are arranged in one-to-one correspondence with the grooves.

6. The portable pipeline spiral weld TOFD detection aid according to claim 2, wherein the first clamping assembly (2) comprises a first rotating assembly, two first support rings (200), a first placement ring (201), a plurality of first screws (202) and a plurality of first threaded pipes (203);

Two first support rings (200) are connected with the lower surface of first support frame (100), first setting up between two first support rings (200) of placing of ring (201) slip, first rotating assembly is connected with first setting up ring (201), and first rotating assembly is connected with first support column (102), so that first rotating assembly drives first setting up ring (201) and rotates, a plurality of first screw rods (202) are annular even setting up in the inside wall of first setting up ring (201), first screwed pipe (203) all are connected with first screw rod (202), first screwed pipe (203) set up with first screw rod (202) one-to-one, first screwed pipe (203) presss from both sides tightly and waits to detect pipeline (5).

7. The portable pipeline spiral weld TOFD detection aid of claim 6, wherein the first rotating assembly includes a first rack (11), a first rotating electric machine (12), a first gear (13), and a first mounting hole (14);

The first mounting hole (14) is formed in the first support column (102), the first gear (13) is rotatably mounted in the first mounting hole (14), the first rotating motor (12) is fixedly mounted on the side wall of the first support column (102), the output end of the first rotating motor (12) is connected with the first gear (13), the first rack (11) is fixedly arranged on the first placement ring (201) in an annular mode, and the first gear (13) and the first rack (11) are in meshed transmission.

8. The portable pipeline spiral weld TOFD detection aid according to claim 2, wherein the second clamping assembly (3) comprises a second rotating assembly, two second support rings (300), a second placement ring (301), a plurality of second screws (302) and a plurality of second threaded pipes (303);

Two second support rings (300) are connected with the lower surface of second support frame (101), second place ring (301) slip setting between two second support rings (300), second rotating assembly is connected with second place ring (301), and second rotating assembly is connected with second support column (103), so that second rotating assembly drives second place ring (301) and rotate, a plurality of second screw rods (302) are annular even setting and place the inside wall of ring (301) at the second, second screwed pipe (303) all are connected with second screw rod (302), second screwed pipe (303) set up with second screw rod (302) one-to-one, second screwed pipe (303) presss from both sides tightly and waits to detect pipeline (5).

9. The portable pipeline spiral weld TOFD detection aid of claim 8, wherein the second rotating assembly includes a second rack (15), a second rotating motor (16), a second gear (17), and a second mounting hole (18);

The second mounting hole (18) is formed in the second support column (103), the second gear (17) is rotatably mounted in the second mounting hole (18), the second rotating motor (16) is fixedly mounted on the side wall of the second support column (103), the output end of the second rotating motor (16) is connected with the second gear (17), the second rack (15) is fixedly arranged on the second placement ring (301) in an annular mode, and the second gear (17) and the second rack (15) are in meshed transmission.