CN111457232A

CN111457232A - Nondestructive flaw detection device for welded pipe joint

Info

Publication number: CN111457232A
Application number: CN202010389653.9A
Authority: CN
Inventors: 张群花
Original assignee: 张群花
Current assignee: NINGBO MINGFENG INSPECTION & TESTING RESEARCH INSTITUTE Co.,Ltd.
Priority date: 2020-05-10
Filing date: 2020-05-10
Publication date: 2020-07-28
Anticipated expiration: 2040-05-10
Also published as: CN111457232B

Abstract

The invention discloses a nondestructive flaw detection device for a welded pipe joint, which comprises two limiting rings and two fixing rings, wherein mounting grooves are formed in one ends of the limiting rings and the fixing rings, limiting grooves are formed in the bottom ends of the mounting grooves on the limiting rings and the fixing rings, limiting rings are embedded and mounted in the limiting grooves, gear rings are welded at the tops of the limiting rings in the mounting grooves, gears are meshed with one sides of the top ends of the gear rings, gear grooves are formed in one sides of the fixing rings corresponding to the gears, a driving motor is movably mounted at one end of each fixing ring, a driving groove is formed in one end of each gear corresponding to an output shaft of the driving motor, a horizontal supporting table is mounted at one end of each gear ring through a rotating shaft, a flaw detector is movably mounted at the top end of the horizontal supporting table, an observer, the safety factor of workers is improved, and the time required by detection is saved.

Description

Nondestructive flaw detection device for welded pipe joint

Technical Field

The invention relates to the technical field of nondestructive inspection of welded pipes, in particular to a nondestructive inspection device for welded pipe joints.

Background

For detecting cracks or defects in metal materials or parts, the following methods are commonly used for flaw detection: the method comprises the following steps of X-ray flaw detection, ultrasonic flaw detection, magnetic powder flaw detection, penetration flaw detection, eddy current flaw detection and gamma-ray flaw detection, wherein the physical flaw detection is nondestructive flaw detection under the condition that no chemical change is generated, and after the existing pipeline welding is finished, the nondestructive flaw detection is required to be performed on a welding position.

When present to pipeline welding position nondestructive test, need the staff manual promotion appearance of detecting a flaw for the appearance of detecting a flaw moves on the pipeline, inspects welding position, but the efficiency that detects like this is lower, when the inspection pipeline bottom, needs to rotate the pipeline simultaneously, and working strength is great, has reduced work efficiency.

Disclosure of Invention

The invention provides a nondestructive inspection device for a welded pipe joint, which can effectively solve the problems that when the existing pipeline welding position is subjected to nondestructive inspection, a worker needs to manually push an inspection instrument to move the inspection instrument on a pipeline so as to inspect the welding position, but the detection efficiency is low, and when the bottom end of the pipeline is inspected, the pipeline needs to be rotated, so that the working strength is high, and the working efficiency is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: a nondestructive inspection device for welding pipe joints comprises two limiting rings and two fixing rings, wherein one end of each limiting ring is hinged with the corresponding fixing ring;

a detection fixing component is mounted at one end of the fixing ring and comprises a mounting groove, a limiting ring, a gear groove, a driving motor, a driving groove, a rubber cylinder, a fixing clamping groove, a clamping ring, a fixing plate, a moving groove, a limiting screw, a horizontal supporting table, a flaw detector, an observer, a fixing block, an insertion column, a movable plate, a connecting spring, a clamping plate, a corresponding block, a motor fixing seat, a T-shaped block and a corresponding hole;

mounting grooves are formed in one ends of the limiting rings and one end of the fixing ring, a limiting groove is formed in the bottom end of the mounting groove in one of the limiting rings and the fixing ring, a limiting ring is embedded in the limiting groove, a gear ring is welded at the top end of the limiting ring in the mounting groove, a gear is meshed at one side of the top end of the gear ring, a gear groove is formed in one side of the fixing ring corresponding to the gear, a driving motor is movably mounted at one end of the fixing ring, a driving groove is formed in one end of the gear corresponding to an output shaft of the driving motor, a rubber cylinder is fixedly sleeved outside the driving groove, a horizontal supporting table is mounted at one end of the gear ring through a rotating shaft, a flaw;

a retainer ring is mounted at one end of the gear, which is positioned at the driving motor, through a screw, a fixed clamping groove is formed in the position, which corresponds to the retainer ring, of the fixed ring, a fixed plate is welded at one end of the fixed ring, which is positioned at one side of the driving motor, a moving groove is formed in the middle of one side of the fixed plate, a T-shaped block is embedded and mounted in the moving groove, a motor fixing seat is welded at one end of the T-shaped block, a driving motor is mounted at the top end of the motor fixing;

the welding of solid fixed ring bottom one side has the fixed block, the welding of the corresponding fixed block department in spacing ring top has the piece that corresponds, the welding of fixed block bottom surface has the post that inserts, it all articulates at post both ends to insert has the fly leaf, fly leaf one end is passed through coupling spring and is inserted post one end and link to each other, the welding of fly leaf bottom surface one end has the cardboard, it has seted up corresponding hole to correspond piece top surface correspondence and insert post department, drive the input of motor and the appearance of detecting a flaw all with external power supply output electric connection.

Preferably, the shape of the longitudinal section of the fixed clamping groove and the clamping ring is T-shaped, one end, far away from the gear ring, of the horizontal supporting table is movably provided with a rotating shaft, and the rotating shaft is located inside the mounting groove.

Preferably, the bottom end of the horizontal supporting platform is provided with a supporting and adjusting assembly, and the supporting and adjusting assembly comprises a sliding chute, a sliding plate, an installation column, a contact spring, a movable column, a fixed screw, a movable wheel, a rubber ring, a two-way motor, a screw rod and an assembly groove;

the spout has been seted up to horizontal support bench one side, the equal sliding connection in inside both ends of spout has the slide, the erection column is all installed through the screw at the slide both ends, the welding of erection column bottom surface has contact spring, the contact spring bottom welds inside the movable column, the inside contact spring department that corresponds of movable column has seted up the assembly tank, movable column one end has set screw through threaded mounting, the set screw underrun mounting screw has the removal wheel, the fixed rubber ring that has cup jointed in the removal wheel outside, horizontal support bench one end middle part fixed mounting has two-way motor, the two-way motor both ends all are connected with the lead screw, the lead screw passes through threaded connection in the slide middle part, two-way motor's input and external power source output electric.

Preferably, lead screw one end movable mounting has the anti-falling board, and prevents falling board one end and weld in horizontal support platform one side, erection column bottom is located the inside of assembly groove, and the internal diameter of assembly groove equals with the external diameter of erection column.

Preferably, a lubricating component is arranged between the two fixing rings, and the lubricating component comprises a lubricating box, a movable clamping groove, a movable block, a partition plate, a roller groove, a roller, an air bag, a fan, a discharge hole, a sealing plate, a rectangular rubber plate, a sealing spring and a fan hole;

a lubricating box is fixedly arranged at one end of the gear ring, two movable clamping grooves are respectively arranged at two ends of the interior of the lubricating box, the moving blocks are embedded in the moving clamping grooves and are respectively arranged at the two ends of the partition plate, a roller groove is arranged at the bottom end of the partition plate, a roller is movably arranged in the roller groove, air bags are bonded at two ends of the lubricating box, which are positioned at one end of the partition plate, one end of the lubricating box, which is positioned at the air bag, is uniformly provided with fan holes, the fans are arranged in the fan holes, a discharge hole is arranged at one end of the lubricating box far away from the fan, a sealing plate is hinged at the top end of the discharge hole, the fan is characterized in that a rectangular rubber plate is bonded to one end of the sealing plate, a plurality of sealing springs are uniformly welded to the top end of the sealing plate, one ends of the sealing springs are welded to one side of the lubricating box, and the input end of the fan is electrically connected with the output end of an external power supply.

Preferably, the top surface of the lubricating box is uniformly provided with greasing holes at one side of the closing plate, and the length and the width of one end of the partition plate are respectively equal to those of one end inside the lubricating box.

Preferably, the bottom end of the observation instrument is provided with a protective adsorption component, and the protective adsorption component comprises a mounting plate, a spring groove, a fixed spring, a connecting plate, a magnet, a protective plate, a protective cover, a limiting groove, an extension spring, a limiting block, a limiting plate, a limiting column and a clamping groove;

mounting plates are mounted at two ends of the bottom surface of the observation instrument through screws, spring grooves are uniformly formed in the bottom surface of the mounting plates, fixing springs are welded inside the spring grooves, a plurality of fixing springs are welded on the top surface of a connecting plate, and magnets are mounted on the bottom surface of the connecting plate through screws;

mounting panel one end bonds and has the protection shield, the protection shield top articulates there is the visor, one the restriction groove has been seted up to visor one side, restriction inslot portion bonds and has the extension spring, extension spring one end is in restriction inslot portion bonds and has the restriction piece, the restriction piece bonds in top one side of restriction board, restriction board bottom one side bonds and has spacing post, another the screens groove has been seted up to the visor corresponding spacing post department.

Preferably, the diameter of the limiting block is equal to that of the limiting groove, the diameter of the limiting column is equal to that of the clamping groove, and the longitudinal section of the magnet is arc-shaped.

Preferably, a lantern ring sliding assembly is installed between the limiting ring and the fixing ring, and comprises a threaded hole, a threaded column, a sliding groove, a compression spring, a sliding column, a clamping ring, an arc rubber plate, a ball groove, a ball, a rotating handle, a dragging groove and a dragging handle;

the utility model discloses a ball groove, including spacing ring, fixed ring top surface, screw hole, screw thread post, clamping ring, ball groove, both have a ball, two the fixed ring top surface has all been seted up and has been seted up threaded hole with fixed ring top surface middle part, the screw hole is inside to install the screw thread post through the screw thread, the sliding tray has been seted up to screw thread post top surface, the welding of sliding tray bottom surface has compression spring, the compression spring top surface is in the welding of sliding tray inside has the slip post, the snap ring is installed through the screw to slip post top surface, the inside circular arc rubber slab that bonds of snap ring, screw.

Preferably, the ball groove penetrates through the top surface of the circular arc rubber plate, and the outer sides of the dragging handle and the rotating handle are both sleeved with the anti-skidding sleeves.

Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:

1. be provided with and detect fixed subassembly, it detects to need not the manual promotion of staff appearance of detecting a flaw, solve the problem that proposes in the background art, need not the staff and rotate the pipeline, improve staff's factor of safety, save and detect required time, when having a power failure, through two staff cooperation operations, make horizontal supporting bench detect along the pipeline to the welding position, waste a large amount of time when avoiding having a power failure, the problem that work efficiency is low appears, conveniently install and dismantle spacing ring and solid fixed ring, save the time of installing and dismantling, it dismantles to need not to use special instrument simultaneously, reduce staff's intensity of labour.

2. Be provided with and support adjusting part, make horizontal support platform be difficult for rocking when detecting, make numerical value on the visualizer more accurate, avoid when detecting, it is inaccurate to detect numerical value, lead to needs to detect many times, reduce work efficiency, the increase removes the pipeline surface's that the wheel was with lifting surface, make to remove more stable that the wheel supported, the convenient angular adjustment to the appearance of detecting a flaw, thereby make things convenient for the butt weld position to detect, make preparation more of measuring numerical value, need not relapse detection, improve the efficiency that detects numerical value precision and improve the detection.

3. Be provided with lubricated subassembly, need not the manual lubricated pearl fat that adds of staff, reduce staff's intensity of labour, reduce the frictional force between removal wheel and the pipeline, conveniently remove the wheel and rotate at the pipeline surface for it is more smooth and easy to remove the wheel removal, practices thrift the cost, and at this in-process, lubricated box is along with horizontal supporting bench and removal wheel are together rotated, can be timely to removing the wheel lubrication, avoids lubricating grease to drop subaerial simultaneously, causes the influence to the staff.

4. Be provided with protection adsorption component, can fix the visualizer through magnet, avoid dropping at the visualizer in the testing process, cause the visualizer to damage, through adjusting the distance between two magnets, can fix the visualizer on the pipeline of different diameters, avoid because contact site reduces between magnet and the pipeline, lead to the visualizer to rock easily, the unsafe problem of numerical value of detection appears, can protect the visualizer surface through the visor when not using through the visor, prevent when storing, carelessly cause the damage to the visualizer, influence the visualizer and use next time.

5. Be provided with the removal snap ring subassembly, the convenient pipeline to different diameters is detected a flaw and is detected, avoid needing to change detection device when detecting the pipeline of different diameters, the work efficiency is improved, when having a plurality of welding parts on a pipeline, to pull the handle and put into and pull the groove, pull the handle through removing, drive spacing ring and solid fixed ring and remove, make things convenient for the staff to remove whole device, thereby make things convenient for the staff to detect a plurality of welding parts on same pipeline, need not to dismantle whole device, the work intensity is reduced, the work efficiency is improved.

Through the matching use of the detection fixing component, the support adjusting component, the lubricating component, the protective adsorption component and the movable clamping ring component, the manual pushing of a worker for detection is not needed, the safety coefficient of the worker is improved, the time required by detection is saved, the horizontal supporting platform is not easy to shake during detection in the detection process, the numerical value on the observer is more accurate, the surface of a pipeline is lubricated by automatically adding lubricating grease, the friction force between the movable wheel and the pipeline is reduced, the movable wheel is convenient to rotate on the surface of the pipeline, the movable wheel is more smooth to move, the cost is saved, the observer can be fixed through a magnet in the detection process, the phenomenon that the observer drops in the detection process to cause damage of the observer is avoided, meanwhile, the flaw detection on the pipelines with different diameters is convenient, and the detection device is prevented from being required to be replaced when the pipelines with different diameters are detected, the working efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the gear mounting structure of the present invention;

FIG. 3 is a schematic view of the mounting structure of the fixing block of the present invention;

FIG. 4 is a schematic view of the mounting structure of the fixing plate of the present invention;

FIG. 5 is a schematic view of the mounting post mounting structure of the present invention;

FIG. 6 is a schematic view of the lubrication box mounting structure of the present invention;

FIG. 7 is a schematic view of the mounting structure of the traveling block of the present invention;

FIG. 8 is a schematic view of the compression spring mounting arrangement of the present invention;

FIG. 9 is a schematic view of the protective cover mounting structure of the present invention;

FIG. 10 is a schematic view of an extension spring mounting arrangement of the present invention;

reference numbers in the figures: 1. a limiting ring; 2. a fixing ring;

3. detecting the fixed component; 301. mounting grooves; 302. a limiting groove; 303. a limiting ring; 304. a ring gear; 305. a gear; 306. a gear groove; 307. driving a motor; 308. a driving groove; 309. a rubber cylinder; 310. fixing the clamping groove; 311. a collar; 312. a fixing plate; 313. a moving groove; 314. a limit screw; 315. a horizontal support table; 316. a flaw detector; 317. an observation instrument; 318. a fixed block; 319. inserting the post; 320. a movable plate; 321. a connecting spring; 322. clamping a plate; 323. a corresponding block; 324. a motor fixing seat; 325. a T-shaped block; 326. a corresponding hole;

4. a support adjustment assembly; 401. a chute; 402. a slide plate; 403. mounting a column; 404. a contact spring; 405. a movable post; 406. fixing the screw rod; 407. a moving wheel; 408. a rubber ring; 409. a bi-directional motor; 410. a screw rod; 411. assembling a groove;

5. a lubrication assembly; 501. a lubrication box; 502. moving the card slot; 503. a moving block; 504. a partition plate; 505. a roller groove; 506. a drum; 507. an air bag; 508. a fan; 509. a discharge hole; 510. a closing plate; 511. a rectangular rubber plate; 512. a closing spring; 513. a fan hole;

6. protecting the adsorption component; 601. mounting a plate; 602. a spring slot; 603. fixing the spring; 604. a connecting plate; 605. a magnet; 606. a protection plate; 607. a protective cover; 608. a limiting groove; 609. an extension spring; 610. a limiting block; 611. a limiting plate; 612. a limiting column; 613. a clamping groove;

7. a collar slide assembly; 701. a threaded hole; 702. a threaded post; 703. a sliding groove; 704. a compression spring; 705. a sliding post; 706. a snap ring; 707. a circular arc rubber plate; 708. a ball groove; 709. a ball bearing; 710. rotating the handle; 711. a dragging groove; 712. the handle is dragged.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 10, the present invention provides a technical solution, a nondestructive inspection apparatus for welding a pipe joint, including two limit rings 1 and two fixing rings 2, wherein one end of each limit ring 1 is hinged with a fixing ring 2;

one end of the fixed ring 2 is provided with a detection fixed component 3, the detection fixed component 3 comprises a mounting groove 301, a limit groove 302, a limit ring 303, a gear ring 304, a gear 305, a gear groove 306, a driving motor 307, a driving groove 308, a rubber cylinder 309, a fixed clamping groove 310, a clamping ring 311, a fixed plate 312, a moving groove 313, a limit screw 314, a horizontal support platform 315, a flaw detector 316, an observer 317, a fixed block 318, an insertion column 319, a movable plate 320, a connecting spring 321, a clamping plate 322, a corresponding block 323, a motor fixing seat 324, a T-shaped block 325 and a corresponding hole 326;

one end of each of the limiting ring 1 and the fixing ring 2 is provided with a mounting groove 301, the bottom end of the mounting groove 301 on one of the limiting ring 1 and the fixing ring 2 is provided with a limiting groove 302, the inside of the limiting groove 302 is embedded with a limiting ring 303, the top end of the limiting ring 303 is positioned in the mounting groove 301 and welded with a gear ring 304, one side of the top end of the gear ring 304 is engaged with a gear 305, one side of the fixing ring 2 corresponding to the gear 305 is provided with a gear groove 306, one end of the fixing ring 2 is movably provided with a driving motor 307, one end of the gear 305 corresponding to the output shaft of the driving motor 307 is provided with a driving groove 308, the output shaft of the driving motor 307 is fixedly sleeved with a rubber cylinder 309, one end of the gear ring 304 is provided with a horizontal support table 315 through a rotating shaft, the, a rotating shaft is movably mounted at one end of the horizontal support platform 315, which is far away from the gear ring 304, and is positioned in the mounting groove 301, so that the clamping ring 311 is prevented from falling from the fixed clamping groove 310, the stability of the horizontal support platform 315 is enhanced, and the horizontal support platform 315 is prevented from shaking;

a collar 311 is installed at one end, located at the driving motor 307, of the gear 305 through a screw, a fixed clamping groove 310 is formed in the position, corresponding to the collar 311, of the fixed ring 2, a fixed plate 312 is welded at one end, located at the driving motor 307, of the fixed ring 2, a moving groove 313 is formed in the middle of one side of the fixed plate 312, a T-shaped block 325 is embedded and installed in the moving groove 313, a motor fixing seat 324 is welded at one end of the T-shaped block 325, the driving motor 307 is installed at the top end of the motor fixing seat 324, and a;

fixed ring 2 bottom one side welding has fixed block 318, the top of spacing ring 1 corresponds fixed block 318 department welding has corresponding piece 323, fixed block 318 bottom surface welding has the post 319 that inserts, it has the fly leaf 320 all to articulate at post 319 both ends that insert, fly leaf 320 one end is passed through coupling spring 321 and is inserted post 319 one end and link to each other, fly leaf 320 bottom surface one end welding has cardboard 322, it has corresponding hole 326 to correspond piece 323 top surface and has seted up corresponding post 319 department, the input that drives motor 307 and flaw detector 316 all with external power supply output electric connection.

The bottom end of the horizontal support platform 315 is provided with a support adjusting component 4, and the support adjusting component 4 comprises a chute 401, a sliding plate 402, an installation column 403, a contact spring 404, a movable column 405, a fixed screw 406, a moving wheel 407, a rubber ring 408, a bidirectional motor 409, a screw rod 410 and an assembly groove 411;

a sliding groove 401 is arranged on one side of a horizontal supporting platform 315, two ends inside the sliding groove 401 are both connected with a sliding plate 402 in a sliding manner, two ends of the sliding plate 402 are both provided with mounting columns 403 through screws, the bottom surface of each mounting column 403 is welded with a contact spring 404, the bottom end of each contact spring 404 is welded inside a movable column 405, an assembly groove 411 is arranged inside the movable column 405 corresponding to the contact spring 404, one end of each movable column 405 is provided with a fixed screw 406 through a screw thread, the bottom surface of the fixed screw 406 is provided with a movable wheel 407 through a screw, the outer side of the movable wheel 407 is fixedly sleeved with a rubber ring 408, a bidirectional motor 409 is fixedly arranged in the middle of one end of the horizontal supporting platform 315, two ends of the bidirectional motor 409 are both connected with a screw rod 410, one end of the screw rod 410 is movably provided with an anti-falling, the lead screw 410 is fixed conveniently, avoids lead screw 410 to rock, and is spacing to erection column 403 simultaneously, prevents that erection column 403 from rocking in assembly groove 411, and lead screw 410 passes through threaded connection in slide 402 middle part, and bidirectional motor 409's input and external power supply output electric connection.

A lubricating component 5 is arranged between the two fixed rings 2, and the lubricating component 5 comprises a lubricating box 501, a movable clamping groove 502, a movable block 503, a partition plate 504, a roller groove 505, a roller 506, an air bag 507, a fan 508, a discharge hole 509, a closing plate 510, a rectangular rubber plate 511, a closing spring 512 and a fan hole 513;

a lubricating box 501 is fixedly installed at one end of a gear ring 304, two ends inside the lubricating box 501 are both provided with a movable clamping groove 502, movable blocks 503 are embedded inside the movable clamping groove 502, the two movable blocks 503 are respectively installed at two ends of a partition plate 504, a roller groove 505 is installed at the bottom end of the partition plate 504, a roller 506 is movably installed inside the roller groove 505, air bags 507 are adhered at one end, located at the partition plate 504, of two ends inside the lubricating box 501, fan holes 513 are uniformly formed at one end, located at the air bags 507, of the lubricating box 501, a fan 508 is installed inside the fan holes 513, a discharge hole 509 is formed at one end, located at the end, far away from the fan 508, of the lubricating box 501, a closing plate 510 is hinged at the top end of the discharge hole 509, a grease adding hole is uniformly formed at one side, located at the closing plate 510, of the top surface of the lubricating box 501, the, the air bag 507 is prevented from contacting with lubricating grease to cause waste of the lubricating grease, a rectangular rubber plate 511 is bonded at one end of the closing plate 510, a plurality of closing springs 512 are uniformly welded at the top end of the closing plate 510, one ends of the closing springs 512 are welded at one side of the lubricating box 501, and the input end of the fan 508 is electrically connected with the output end of an external power supply.

The bottom end of the observer 317 is provided with a protective adsorption component 6, and the protective adsorption component 6 comprises a mounting plate 601, a spring groove 602, a fixed spring 603, a connecting plate 604, a magnet 605, a protective plate 606, a protective cover 607, a limiting groove 608, an extension spring 609, a limiting block 610, a limiting plate 611, a limiting column 612 and a clamping groove 613;

the two ends of the bottom surface of the observation instrument 317 are respectively provided with a mounting plate 601 through screws, the bottom surface of the mounting plate 601 is uniformly provided with a spring groove 602, a fixing spring 603 is welded inside the spring groove 602, a plurality of fixing springs 603 are welded on the top surface of a connecting plate 604, and the bottom surface of the connecting plate 604 is provided with a magnet 605 through screws;

one end of the mounting plate 601 is bonded with a protection plate 606, the top end of the protection plate 606 is hinged with a protection cover 607, one side of one protection cover 607 is provided with a limiting groove 608, an extension spring 609 is bonded inside the limiting groove 608, one end of the extension spring 609 is positioned inside the limiting groove 608 and bonded with a limiting block 610, the diameter of the limiting block 610 is equal to that of the limiting groove 608, the diameter of the limiting column 612 is equal to that of the clamping groove 613, the longitudinal section of the magnet 605 is arc-shaped, the limiting block 610 can conveniently move in the limiting groove 608, the limiting column 612 can be limited at the same time, the two protection plates 606 can be fixed with each other, the observation instrument 317 can be conveniently placed on pipelines with different diameters, the limiting block 610 is bonded on one side of the top end of the limiting plate 611, the limiting column 612 is bonded on one side of the.

A lantern ring sliding component 7 is arranged between the limiting ring 1 and the fixing ring 2, and the lantern ring sliding component 7 comprises a threaded hole 701, a threaded column 702, a sliding groove 703, a compression spring 704, a sliding column 705, a clamping ring 706, an arc rubber plate 707, a ball groove 708, a ball 709, a rotating handle 710, a dragging groove 711 and a dragging handle 712;

threaded holes 701 are formed in the middle of the top surfaces of the limiting ring 1 and the fixing ring 2, threaded columns 702 are installed inside the threaded holes 701 through threads, sliding grooves 703 are formed in the top surfaces of the threaded columns 702, compression springs 704 are welded to the bottom surfaces of the sliding grooves 703, sliding columns 705 are welded to the top surfaces of the compression springs 704, located inside the sliding grooves 703, clamping rings 706 are installed on the top surfaces of the sliding columns 705 through screws, arc rubber plates 707 are bonded inside the clamping rings 706, and dragging handles 712 are welded to the bottom surfaces of the threaded columns 702; ball groove 708 has been seted up to snap ring 706 top surface, and the inside even movable mounting in ball groove 708 has ball 709, and two solid fixed ring 2 top surfaces have all been seted up and have been dragged groove 711, and two drag to install between the groove 711 and drag handle 712, and ball groove 708 runs through circular arc rubber slab 707 top surface, drags handle 712 and rotates the handle 710 outside and all has cup jointed the antiskid sleeve, makes things convenient for ball 709 to rotate in ball groove 708, makes things convenient for the staff to remove simultaneously and drags handle 712 and rotate rotation handle 710.

The working principle and the using process of the invention are as follows: during detection, a worker sleeves the limiting ring 1 and the fixing ring 2 on the outer side of the pipeline, in the process, the fixing block 318 and the corresponding block 323 gradually approach, the movable plate 320 and the clamping plate 322 move into the corresponding hole 326, the connecting spring 321 is compressed by the thrust of the clamping plate 322, when the clamping plate 322 moves to the outer side of the corresponding hole 326, the connecting spring 321 stretches to push the movable plate 320 to move, the clamping plate 322 is driven to move by the movement of the movable plate 320, the top surface of the clamping plate 322 is contacted with the bottom surface of the corresponding block 323, so that the limiting ring 1 and the fixing ring 2 are fixed with each other, the limiting ring 1 and the fixing ring 2 are convenient to install, the installation time is saved, the problem of complicated installation in real life is solved, and when the disassembly is needed, the two clamping plates 322 are moved to compress the connecting spring 321, the clamping plate 322 is moved into the corresponding hole 326, the fixing ring 2 is rotated, meanwhile, the disassembly is not required to be carried out by using a special tool, so that the labor intensity of workers is reduced, and the working efficiency is improved;

after the installation of the limiting ring 1 and the fixing rings 2 is finished, the horizontal support table 315 is placed between the two fixing rings 2, after the horizontal support table 315 is limited and fixed, the position of the flaw detector 316 is adjusted, so that the flaw detector 316 is aligned with a welding part, then the driving motor 307 is started, the gear 305 is driven to rotate, the gear ring 304 is driven to rotate through the rotation of the gear 305, the horizontal support table 315 is driven to rotate through the rotation of the gear ring 304, the flaw detector 316 is driven to rotate, the welding part is detected, the flaw detector 316 does not need to be manually pushed by a worker for detection, the problems in the background technology are solved, the labor intensity of the worker can be reduced, the worker does not need to rotate a pipeline, the safety coefficient of the worker is improved, the time needed by detection is saved, and the working efficiency;

when power is off, a worker can move the motor fixing seat 324, the T-shaped block 325 is driven to be in the moving groove 313 by the movement of the motor fixing seat 324, the output shaft of the motor 307 is driven to be moved out of the driving groove 308, the T-shaped block 325 is fixed by the limiting screw 314, and the motor 307 is driven to be fixed, at the moment, the worker can manually push the horizontal support table 315 to rotate to drive the gear ring 304 to rotate in the mounting groove 301, so that the limiting ring 303 is driven to move in the limiting groove 302, welding positions are detected, when the bottom end of the pipeline is detected, the two workers cooperate to operate, so that the horizontal support table 315 detects the welding positions along the pipeline, the pipeline does not need to rotate, the labor intensity of the worker is reduced, meanwhile, the pipeline can be detected when power is off, a large amount of time is prevented from being wasted when power is off, and;

when needs carry and storage device, can dismantle spacing ring 1, solid fixed ring 2 and horizontal support platform 315, can store respectively and carry each position of device, avoid the device to occupy great space, inconvenient staff stores and carries the device, and each position is dismantled simultaneously, and is convenient to change and maintain the position of damage equally, reduces the time of maintenance, reduce cost.

After the horizontal support platform 315 is installed, the movable wheel 407 is in contact with the surface of the pipeline, the bottom end of the horizontal support platform 315 is supported by the installation column 403, the movable column 405 and the movable wheel 407, so that the horizontal support platform 315 is not prone to shaking during detection, the numerical value on the observer 317 is more accurate, and meanwhile, when the welding positions of pipelines with different diameters are detected, the contact spring 404 is stretched and compressed accordingly, so that the movable wheel 407 is in contact with the pipeline all the time, the application range of the device is expanded, the problem that the detection numerical value is inaccurate during detection, multiple detections are needed, the working efficiency is reduced, a gap between the movable wheel 407 and the surface of the pipeline is smaller through the rubber ring 408, the stress area between the movable wheel 407 and the surface of the pipeline is increased, and the movable wheel 407 is supported more stably;

when the angle that needs the adjustment to detect, rotate horizontal support platform 315, the angle that the adjustment detected, this in-process, the contact spring 404 compression of one end, the contact spring 404 of the other end is pulled up, it removes in assembly groove 411 to drive movable post 405, can make removal wheel 407 can contact with the pipeline always, support horizontal support platform 315, nevertheless after the adjustment of appearance 316 angle of detecting a flaw ends, it is fixed with movable post 405 through clamping screw 406, thereby it is fixed with horizontal support platform 315, the convenient angular adjustment to appearance 316 of detecting a flaw, thereby make things convenient for and detect the welding position, make the preparation more of measuring numerical value, need not the detection repeatedly, improve the detection numerical value precision and improve the efficiency that detects.

When the distance between the wheel 407 is removed in the needs adjustment, open two way motor 409, drive lead screw 410 and rotate, drive slide 402 through the rotation of lead screw 410 and remove in spout 401 to the drive removes wheel 407 and removes, makes things convenient for the staff to adjust the distance of removing between the wheel 407, can remove the distance between the wheel 407 according to the pipeline regulation of the diameter of difference, better supports horizontal support platform 315.

In the detection process, the fan 508 is started to inflate the air bag 507, the air bag 507 is continuously increased to push the partition 504 to move in the lubrication box 501, the roller 506 rotates in the roller groove 505 at the moment, the friction force between the partition 504 and the lubrication box 501 is reduced, the air bag 507 is convenient to push the partition 504 to move, lubricating grease is continuously extruded through the movement of the partition 504, the lubricating grease continuously pushes the closing plate 510 to enable the closing plate 510 to rotate, the closing spring 512 is compressed at the moment, the lubricating grease falls to the surface of the pipeline from the lubrication box 501 to lubricate the surface of the pipeline, the manual addition of lubricating grease by a worker is not needed, the labor intensity of the worker is reduced, the friction force between the movable wheel 407 and the pipeline is reduced, the movable wheel 407 is convenient to rotate on the surface of the pipeline, the power consumption of the driving motor 307 is reduced, the cost is saved, in the process, the lubrication box 501 rotates together with the horizontal 315 and, can be timely to remove the lubrication of wheel 407, avoid lubricating grease to drop subaerial simultaneously, cause the influence to the staff.

After the detection, close fan 508, baffle 504 stopped motionless this moment, and closing spring 512 is tensile, drives closing plate 510 and rotates, seals discharge opening 509, through rectangle rubber slab 511, improves the leakproofness between closing plate 510 and the discharge opening 509, prevents that lubricating grease from spilling, can be quick seal discharge opening 509, reduces the waste of lubricating grease.

During detection, a worker adsorbs the magnets 605 on the surface of the pipeline, the worker can drive the connecting plate 604 to move by moving the magnets 605, so that the distance between the two magnets 605 is enlarged after the fixing spring 603 is stretched, the observer 317 can be fixed, the phenomenon that the observer 317 falls off in the detection process to damage the observer 317 is avoided, the observer 317 can be fixed on the pipelines with different diameters by adjusting the distance between the two magnets 605, and the problems that the observer 317 is easy to shake and the detected numerical value is inaccurate due to the fact that the contact parts between the magnets 605 and the pipelines are reduced are avoided;

when the observation instrument 317 is not used, a worker rotates the protective covers 607 to flip the two protective covers 607 to the top end of the observation instrument 317, the worker moves the limiting blocks 610 through the limiting plates 611 to move in the limiting grooves 608 to drive the extension springs 609 to stretch, after the limiting posts 612 are clamped in the clamping grooves 613, the limiting plates 611 are released, the extension springs 609 compress, and therefore the two protective covers 607 are fixed to each other, the surface of the observation instrument 317 is protected through the protective covers 607 when the observation instrument 317 is not used, and the observation instrument 317 is prevented from being damaged carelessly during storage, and the next use of the observation instrument 317 is influenced.

When fixing the pipeline of different diameters, the staff rotates screw thread post 702, make screw thread post 702 rotate in screw hole 701, screw thread post 702 removes in screw hole 701 this moment, drive compression spring 704, slip post 705 and snap ring 706 remove, make snap ring 706 and pipe contact, it is spacing and fixed to carry out the pipeline of different diameters, thereby the convenient pipeline to different diameters detects a flaw, avoid needing to change detection device when detecting the pipeline of different diameters, and the work efficiency is improved, at this in-process, through compression spring 704, cushion the pipeline, reduce the damage that the pipeline caused the device, influence the life of device, avoid producing great noise when placing the pipeline simultaneously, cause the influence to the staff.

When having a plurality of welding parts on a pipeline, will drag handle 712 and put into and drag groove 711, drag handle 712 through removing, drive spacing ring 1 and solid fixed ring 2 and remove, ball 709 rotates in ball groove 708 this moment, reduces the frictional force between snap ring 706 and the pipeline, makes things convenient for the staff to remove whole device to make things convenient for the staff to detect a plurality of welding parts on to same pipeline, need not to dismantle whole device, reduce working strength, improve work efficiency.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a non-destructive inspection device of welded pipe joint, includes two spacing rings (1) and two solid fixed ring (2), its characterized in that: one end of the adjacent limiting ring (1) is hinged with a fixing ring (2);

fixed ring (2) one end is installed and is detected fixed subassembly (3), it includes mounting groove (301), spacing groove (302), spacing collar (303), ring gear (304), gear (305), gear groove (306), drive motor (307), drive groove (308), rubber tube (309), fixed slot (310), rand (311), fixed plate (312), shifting chute (313), stop screw (314), horizontal support platform (315), appearance (316) of detecting a flaw, visualizer (317), fixed block (318), insert post (319), fly leaf (320), coupling spring (321), cardboard (322), correspond piece (323), motor fixing base (324), T type piece (325) and correspond hole (326).

Mounting grooves (301) are formed in one ends of the limiting ring (1) and the fixing ring (2), one end of the limiting ring (1) and the fixing ring (2) is provided with a limiting groove (302), the limiting groove (302) is embedded with the limiting ring (303), the top end of the limiting ring (303) is positioned at the bottom end of the mounting groove (301), the internal welding of the limiting ring (304) is provided with a gear ring (305), one side of the top end of the gear ring (304) is meshed with a gear (305), one side of the fixing ring (2) is provided with a gear groove (306) corresponding to the gear (305), one end of the fixing ring (2) is movably provided with a driving motor (307), one end of the gear ring (305) is provided with a driving groove (308) corresponding to an output shaft of the driving motor (307), the output shaft of the driving motor (307) is fixedly sleeved with a rubber cylinder (309) in the inner, a flaw detector (316) is movably mounted at the top end of the horizontal support platform (315), and one end of the flaw detector (316) is connected with an observer (317);

a collar (311) is installed at one end, located at a driving motor (307), of the gear (305) through a screw, a fixed clamping groove (310) is formed in the position, corresponding to the collar (311), of the fixed ring (2), a fixed plate (312) is welded at one end, located at one side of the driving motor (307), of the fixed ring (2), a moving groove (313) is formed in the middle of one side of the fixed plate (312), a T-shaped block (325) is installed in the moving groove (313) in an embedded mode, a motor fixing seat (324) is welded at one end of the T-shaped block (325), the driving motor (307) is installed at the top end of the motor fixing seat (324), and a limiting screw (314) is installed at the;

fixed ring (2) bottom one side welding has fixed block (318), the welding of the corresponding fixed block (318) department in spacing ring (1) top has corresponding piece (323), the welding of fixed block (318) bottom surface has insertion post (319), it has fly leaf (320) all to articulate in post (319) both ends to insert, fly leaf (320) one end is passed through coupling spring (321) and is inserted post (319) one end and link to each other, the welding of fly leaf (320) bottom surface one end has cardboard (322), it has corresponding hole (326) to correspond piece (323) top surface correspondence and has been seted up corresponding hole (326) to insert post (319), the input that drives motor (307) and flaw detector (316) all with external power source output electric connection.

2. The nondestructive inspection device for welded pipe joints according to claim 1, wherein the longitudinal sections of the fixing clamping groove (310) and the clamping ring (311) are both T-shaped, one end of the horizontal supporting platform (315) far away from the gear ring (304) is movably provided with a rotating shaft, and the rotating shaft is positioned in the mounting groove (301).

3. The nondestructive inspection device for welded pipe joints according to claim 1, wherein a supporting and adjusting assembly (4) is mounted at the bottom end of the horizontal supporting platform (315), and the supporting and adjusting assembly (4) comprises a sliding chute (401), a sliding plate (402), a mounting column (403), a contact spring (404), a movable column (405), a fixed screw (406), a moving wheel (407), a rubber ring (408), a two-way motor (409), a screw rod (410) and an assembling groove (411);

the utility model discloses a horizontal support platform, including horizontal support platform (315), spout (401) have been seted up to horizontal support platform (315) one side, the equal sliding connection in both ends of spout (401) has slide plate (402), erection column (403) are all installed through the screw at slide plate (402) both ends, erection column (403) bottom surface welding has contact spring (404), contact spring (404) bottom welds inside movable column (405), inside corresponding contact spring (404) department of movable column (405) has seted up assembly groove (411), fixed screw (406) are installed through the screw thread to movable column (405) one end, fixed screw (406) bottom surface has removal wheel (407) through the screw mounting, removal wheel (407) outside fixed coupling has rubber circle (408), horizontal support platform (315) one end middle part fixed mounting has two-way motor (409), two-way motor (409) both ends all are connected with lead screw (410), the screw rod (410) is connected to the middle of the sliding plate (402) through threads, and the input end of the bidirectional motor (409) is electrically connected with the output end of an external power supply.

4. The nondestructive inspection apparatus for welded pipe joints according to claim 3, wherein the screw rod (410) has an anti-drop plate movably mounted at one end thereof, and the anti-drop plate has one end thereof welded to one side of the horizontal support platform (315), the bottom end of the mounting post (403) is located inside the mounting groove (411), and the inner diameter of the mounting groove (411) is equal to the outer diameter of the mounting post (403).

5. The nondestructive inspection device for welded pipe joints according to claim 1, wherein a lubricating component (5) is installed between the two fixing rings (2), and the lubricating component (5) comprises a lubricating box (501), a moving clamping groove (502), a moving block (503), a partition plate (504), a roller groove (505), a roller (506), an air bag (507), a fan (508), a discharge hole (509), a closing plate (510), a rectangular rubber plate (511), a closing spring (512) and a fan hole (513);

the lubricating device is characterized in that a lubricating box (501) is fixedly mounted at one end of the gear ring (304), movable clamping grooves (502) are formed in two ends of the lubricating box (501), movable blocks (503) are embedded into the movable clamping grooves (502), the two movable blocks (503) are respectively mounted at two ends of a partition plate (504), a roller groove (505) is formed in the bottom end of the partition plate (504), a roller (506) is movably mounted in the roller groove (505), air bags (507) are bonded to two ends of the lubricating box (501) at one end of the partition plate (504), fan holes (513) are uniformly formed in one end of the lubricating box (501) at the air bags (507), a fan (508) is mounted in the fan holes (513), a discharge hole (509) is formed in one end of the lubricating box (501) far away from the fan (508), a sealing plate (510) is hinged to the top end of the discharge hole (509), and a rectangular rubber plate (511) is, a plurality of closed springs (512) are uniformly welded at the top end of the closed plate (510), one ends of the closed springs (512) are welded on one side of the lubricating box (501), and the input end of the fan (508) is electrically connected with the output end of an external power supply.

6. The nondestructive inspection device for welded pipe joints according to claim 5, wherein the top surface of the lubrication box (501) on the side of the closing plate (510) is provided with grease holes uniformly, and the length and the width of one end of the partition plate (504) are respectively equal to those of one end inside the lubrication box (501).

7. The nondestructive inspection device for welded pipe joints according to claim 1, wherein a protective adsorption component (6) is mounted at the bottom end of the observation instrument (317), and the protective adsorption component (6) comprises a mounting plate (601), a spring groove (602), a fixed spring (603), a connecting plate (604), a magnet (605), a protective plate (606), a protective cover (607), a limiting groove (608), an extension spring (609), a limiting block (610), a limiting plate (611), a limiting column (612) and a clamping groove (613);

mounting plates (601) are mounted at two ends of the bottom surface of the observation instrument (317) through screws, spring grooves (602) are uniformly formed in the bottom surface of the mounting plates (601), fixing springs (603) are welded in the spring grooves (602), a plurality of fixing springs (603) are welded on the top surface of a connecting plate (604), and magnets (605) are mounted on the bottom surface of the connecting plate (604) through screws;

mounting panel (601) one end bonds and has protection shield (606), protection shield (606) top articulates there is visor (607), one restriction groove (608) have been seted up to visor (607) one side, restriction groove (608) inside bonds and has extension spring (609), extension spring (609) one end is in restriction groove (608) inside bonds and has restriction piece (610), restriction piece (610) bond in the top one side of restriction board (611), restriction board (611) bottom one side bonds and has spacing post (612), another screens groove (613) has been seted up to visor (607) corresponding spacing post (612) department.

8. The nondestructive inspection apparatus for welded pipe joints according to claim 7, wherein the diameter of the restricting piece (610) is equal to the diameter of the restricting groove (608), the diameter of the restricting post (612) is equal to the diameter of the retaining groove (613), and the longitudinal section of the magnet (605) has a circular arc shape.

9. The nondestructive inspection device for welded pipe joints according to claim 1, wherein a collar sliding assembly (7) is installed between the limiting ring (1) and the fixing ring (2), and the collar sliding assembly (7) comprises a threaded hole (701), a threaded column (702), a sliding groove (703), a compression spring (704), a sliding column (705), a snap ring (706), an arc rubber plate (707), a ball groove (708), a ball (709), a rotating handle (710), a dragging groove (711) and a dragging handle (712);

the middle parts of the top surfaces of the limiting ring (1) and the fixing ring (2) are both provided with threaded holes (701), a threaded column (702) is arranged in the threaded hole (701) through threads, a sliding groove (703) is arranged on the top surface of the threaded column (702), a compression spring (704) is welded on the bottom surface of the sliding groove (703), a sliding column (705) is welded inside the sliding groove (703) on the top surface of the compression spring (704), a snap ring (706) is arranged on the top surface of the sliding column (705) through a screw, an arc rubber plate (707) is bonded inside the snap ring (706), the bottom surface of the threaded column (702) is welded with a dragging handle (712), the top surface of the snap ring (706) is provided with a ball groove (708), the ball groove (708) is internally and uniformly movably provided with balls (709), the top surfaces of the two fixing rings (2) are provided with dragging grooves (711), and dragging handles (712) are arranged between the dragging grooves (711).

10. The nondestructive inspection device of the welded pipe joint according to claim 9, wherein the ball groove (708) penetrates through the top surface of the circular arc rubber plate (707), and anti-slip sleeves are sleeved on the outer sides of the dragging handle (712) and the rotating handle (710).