CN217542978U

CN217542978U - Scanning device for pulse eddy current detection of non-ferromagnetic pipeline

Info

Publication number: CN217542978U
Application number: CN202220767905.1U
Authority: CN
Inventors: 熊清磊
Original assignee: Tianjin Yinke Xinchuang Technology Co ltd
Current assignee: Tianjin Yinke Xinchuang Technology Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-04
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a non-ferromagnetic pipeline pulse eddy current testing is with sweeping device, its technical scheme main points are: the device comprises a pipe to be measured, wherein two movable plates are movably sleeved on the outer circle wall surface of the pipe to be measured, a fixed plate is fixedly arranged between the two movable plates, and a mounting plate is arranged on the bottom surface of the fixed plate; sweep and look into the subassembly, it is in to sweep and looks into the subassembly setting the top surface of fixed plate, it is right to be used for waiting to survey the side of pipe to scan to look into, through the solid fixed ring, first screw post and the nut that set up, gu fixed ring, first screw post and nut mutually support and fix the mounting panel in one side of waiting to survey the pipe, through the first screw post that sets up, movable block, restriction post, erection column, second spring, gu fixed ring, mounting panel and probe body, first screw post, movable block, restriction post, erection column, second spring, gu fixed ring, mounting panel and probe body mutually support and detect the side of waiting to survey the pipe, reach the effect of looking into of sweeping of waiting to survey the side of pipe.

Description

Scanning device for non-ferromagnetic pipeline pulse eddy current detection

Technical Field

The utility model relates to a pulse eddy current testing technical field, concretely relates to non-ferromagnetic pipeline pulse eddy current testing is with sweeping and looking into device.

Background

The pipeline is widely applied to various projects and industrial devices such as oil gas, chemical industry, electric power, heating and the like, and has extremely important effect on industrial production and daily life, the pipeline is influenced by high temperature, high pressure and complex external environment in long-term use, cracks are easy to generate, meanwhile, the inner wall of the pipeline is subjected to the scouring and corrosion action of a medium, so that large-area corrosion and wall thickness reduction are generated, if effective monitoring or maintenance is not carried out, the defects are quickly expanded under high pressure, the pipeline wall is cracked, further the pipeline is leaked and even exploded, huge economic loss is caused, and great pollution and damage are caused to the environment.

For example, chinese patent publication No. CN208860801U proposes a scanning device for pulsed eddy current inspection of non-ferromagnetic pipelines, in which a pulsed eddy current inspection probe mechanism, a plurality of clamping mechanisms and a driving unit for driving the scanning device to move on the pipeline are provided, and the height position of the probe can be realized by screwing or loosening the nut to meet the inspection requirements of different non-ferromagnetic pipelines; simultaneously a plurality of fixture symmetrical arrangement are in the both sides of bottom plate, and the one end of jack catch is passed through the jack catch pivot and is connected with torsional spring for compress tightly the jack catch, provide the jack catch and to the clamp force of pipeline, the other end of jack catch still is equipped with the pulley, thereby realizes the sliding connection of fixture and pipeline reduces friction, the utility model discloses a sweep and look up the device and do not receive the restriction of pipeline material or pipeline surface convex-concave fluctuation situation, and compact structure, small, light in weight, but wide application in the defect detection of pipeline, but in this scheme, because the staff detects the side that needs to the pipeline in the detection, pulse eddy current test probe mechanism only can detect the top surface and the bottom surface of pipeline, hardly detects the side of pipeline, influences the staff and uses.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a non-ferromagnetism pipeline pulse eddy current inspection is with sweeping and looking into device has solved because the staff detects the side to the pipeline of needs, and pulse eddy current inspection probe mechanism can only detect the top surface and the bottom surface of pipeline, hardly detects the side of pipeline, influences the problem that the staff used.

The above technical object of the present invention can be achieved by the following technical solutions:

scanning device for non-ferromagnetic pipeline pulse eddy current testing comprises: the device comprises a pipe to be measured, two movable plates are movably sleeved on the outer circle wall surface of the pipe to be measured, a fixed plate is fixedly mounted between the two movable plates, a mounting plate is arranged on the bottom surface of the fixed plate, and a plurality of rubber plates are fixedly mounted on the bottom surface of the fixed plate; and the scanning assembly is arranged on the top surface of the fixing plate and is used for scanning the side surface of the pipe to be detected.

In order to reach the scanning effect of treating survey pipe side, as the utility model discloses a device is looked into with scanning to non-ferromagnetic pipeline pulse eddy current testing, the preferred, the scanning subassembly includes: two fixed frames, two the equal fixed mounting of fixed frame is in the top surface of fixed plate, two be provided with the movable block between the fixed frame, the equal fixed mounting in both sides of movable block has the restriction post, the restriction post with the activity of fixed frame cup joints, the top surface fixed mounting of fixed plate has two fixed blocks, two fixed mounting has the erection column between the fixed block, circular through-hole has been seted up to one side of movable block, the interior round wall of circular through-hole with the excircle wall activity of erection column cup joints, the excircle wall activity of erection column has cup jointed the second spring, the one end of second spring with be located left one side fixed connection of fixed block, the other end of second spring with one side fixed connection of movable block, the top surface fixed mounting of movable block has first screw thread post, the excircle wall activity of first screw thread post has cup jointed solid fixed ring, the excircle wall threaded connection of first screw thread post has the nut, gu fixed ring's excircle wall fixed mounting has the spliced pole, the one end fixed mounting of spliced pole has the movable tube, the inside activity of movable tube has cup jointed the base plate, the bottom surface of base plate with the top surface fixed connection of mounting plate, one side of mounting plate is provided with the body.

In order to facilitate the disassembly of the mounting plate and the probe body by workers, as the scanning device for the pulse eddy current testing of the non-ferromagnetic pipeline of the utility model, preferably, both sides of the base plate are provided with fixing grooves, the inside of the fixing groove is fixedly provided with a first spring, the joint post is movably sleeved on the inner circle wall surface of the fixing groove, one end of the first spring is fixedly connected with one end of the joint post, joint holes are formed in two sides of the movable tube, and the outer circle wall surface of the joint post is movably sleeved on the inner circle wall surface of the joint holes.

In order to facilitate the staff to adjust the position of probe body, as the utility model discloses a non-ferromagnetic pipeline pulse eddy current testing is with scanning device, the preferred, one side fixed mounting of probe body has the joint board, the movable hole has been seted up to one side of mounting panel, the joint board with the activity of movable hole cup joints, one side fixed mounting of mounting panel has the supporting shoe, the bottom surface fixed mounting of supporting shoe has two third springs, two the one end fixed mounting of third spring has places the board, the bottom surface fixed mounting who places the board has the joint piece, a plurality of joint groove has been seted up to the top surface of joint board, the joint piece with joint groove activity cup joints.

In order to facilitate the staff clearance to await measuring the dust on the pipe, conduct the utility model discloses a non-ferromagnetic pipeline pulse eddy current testing is with scanning device, the preferred, one side of mounting panel is provided with the backup pad, one side fixed mounting of backup pad has the clean strip of a plurality of.

In order to facilitate the staff to wash the backup pad, as the utility model discloses a device is looked into with sweeping of non-ferromagnetic pipeline pulse eddy current inspection, the preferred, one side fixed mounting of mounting panel has the connecting plate, one side of connecting plate with one side fixed connection of backup pad, one side of mounting panel with circular through-hole has all been seted up to one side of connecting plate, the interior round wall of circular through-hole has seted up the screw thread, the interior round wall threaded connection of circular through-hole has the second screw thread post.

In order to facilitate the staff further to reduce rocking of fly leaf, conduct the utility model discloses a non-ferromagnetic pipeline pulse eddy current testing is with scanning device, the preferred, the excircle wall fixed mounting of fly leaf has two fixed boxes.

To sum up, the utility model discloses mainly have following beneficial effect:

through the solid fixed ring that sets up, first screw thread post and nut, gu fixed ring, first screw thread post and nut are mutually supported and will be fixed the mounting panel in the one side of waiting to survey the pipe, through the first screw thread post that sets up, the movable block, the restriction post, the erection column, the second spring, gu fixed ring, mounting panel and probe body, first screw thread post, the movable block, the restriction post, the erection column, the second spring, gu fixed ring, the side of waiting to survey the pipe is detected in the mounting panel and the probe body is mutually supported, reach the effect of looking into of scanning of waiting to survey the pipe side.

Through placing board, joint piece, joint groove and the third spring that sets up, place board, joint piece, joint groove and third spring and mutually support and adjust the position of probe body, the staff of being convenient for adjusts the distance between probe body and the pipeline.

Through joint post, fixed slot and the first spring that sets up, joint post, fixed slot and first spring mutually support and take off the joint groove from the inside of movable tube, and the staff of being convenient for dismantles mounting panel and probe body.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the movable plate structure of the present invention;

FIG. 3 is a partial schematic view of A of FIG. 2;

fig. 4 is a schematic view of the structure of the base plate of the present invention;

fig. 5 is a schematic view of the structure of the clamping column of the present invention.

Reference numerals: 1. a pipe to be tested; 2. a movable plate; 3. a fixing plate; 4. a rubber plate; 5. a fixing box; 6. a movable hole; 7. a fixed block; 8. mounting a plate; 9. a connecting plate; 10. a support plate; 11. a fixing frame; 12. a first spring; 13. connecting columns; 14. a restraining post; 15. a fixing ring; 16. a first threaded post; 17. a movable block; 18. mounting a column; 19. a second spring; 20. fixing grooves; 21. a second threaded post; 22. a clamping plate; 23. a supporting block; 24. a third spring; 25. a clamping block; 26. a cleaning strip; 27. placing a plate; 28. a probe body; 29. a clamping groove; 30. a movable tube; 31. a clamping hole; 32. a clamping column; 33. a substrate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1, 2, 3 and 4, the scanning device for pulse eddy current testing of non-ferromagnetic pipelines comprises a pipe 1 to be tested, two movable plates 2 are movably sleeved on the outer circular wall surface of the pipe 1 to be tested, a fixed plate 3 is fixedly installed between the two movable plates 2, a mounting plate 8 is arranged on the bottom surface of the fixed plate 3, a plurality of rubber plates 4 are fixedly installed on the bottom surface of the fixed plate 3, the rubber plates 4 are the existing structures and are not described herein, a scanning assembly is arranged on the top surface of the fixed plate 3 and is used for scanning the side surface of the pipe 1 to be tested, through the arranged rubber plates 4, after a worker places the two movable plates 2 on the pipe 1 to be tested, the rubber plates 4 can adhere the fixed plate 3 to the pipe 1 to be tested, so that the worker can reduce the shaking of the movable plates 2, the scanning assembly comprises two fixed frames 11, both the two fixed frames 11 are fixedly installed on the top surface of the fixed plate 3, and a movable block 17 is arranged between the two fixed frames 11, the limiting columns 14 are fixedly mounted on two sides of the movable block 17, the limiting columns 14 are movably sleeved with the fixed frame 11, the two fixed blocks 7 are fixedly mounted on the top surface of the fixed plate 3, the mounting column 18 is fixedly mounted between the two fixed blocks 7, a circular through hole is formed in one side of the movable block 17, the inner circular wall surface of the circular through hole is movably sleeved with the outer circular wall surface of the mounting column 18, a second spring 19 is movably sleeved on the outer circular wall surface of the mounting column 18, the second spring 19 is an existing structure and is not described herein, one end of the second spring 19 is fixedly connected with one side of the fixed block 7 on the left side, the other end of the second spring 19 is fixedly connected with one side of the movable block 17, a first threaded column 16 is fixedly mounted on the top surface of the movable block 17, a fixing ring 15 is movably sleeved on the outer circular wall surface of the first threaded column 16, and a nut is connected with the outer circular wall surface of the first threaded column 16 in a threaded manner, the nut is not described herein for the existing structure, the outer circumferential wall surface of the fixing ring 15 is fixedly provided with the connecting column 13, one end of the connecting column 13 is fixedly provided with the movable tube 30, the inner part of the movable tube 30 is movably sleeved with the base plate 33, the bottom surface of the base plate 33 is fixedly connected with the top surface of the mounting plate 8, one side of the mounting plate 8 is provided with the probe body 28, the probe body 28 is not described herein for the existing structure, by providing the fixing ring 15, a worker places the fixing ring 15 on the first threaded column 16, then places the nut on the first threaded column 16 and rotates the nut to fix the fixing ring 15, thereby fixing the mounting plate 8 on one side of the pipe 1 to be measured, by providing the first threaded column 16, the staff removes first screw thread post 16, first screw thread post 16 removes and drives movable block 17 and remove and make restriction post 14 remove in the inside of fixed frame 11 simultaneously, movable block 17 removes and makes second spring 19 compressed on erection column 18, first screw thread post 16 removes and also can drive solid fixed ring 15 and spliced pole 13 and remove, spliced pole 13 removes and drives movable pipe 30 and remove, movable pipe 30 removes and drives base plate 33 and mounting panel 8 and remove in the side of the pipe 1 that awaits measuring, mounting panel 8 removes and drives probe body 28 and remove, probe body 28 removes and detects the side of treating survey pipe 1, reach the scanning effect of treating survey pipe 1 side, the staff of being convenient for treats the crack of survey pipe 1 side and detects.

Example two

Referring to fig. 1, 2, 4 and 5, a fixing groove 20 is formed on both sides of a base plate 33, a first spring 12 is fixedly installed inside the fixing groove 20, the first spring 12 is of a conventional structure and will not be described herein, a clamping post 32 is movably sleeved on an inner circular wall surface of the fixing groove 20, one end of the first spring 12 is fixedly connected with one end of the clamping post 32, clamping holes 31 are formed on both sides of a movable tube 30, an outer circular wall surface of the clamping post 32 is movably sleeved with an inner circular wall surface of the clamping hole 31, through the arranged clamping post 32, a worker presses the clamping post 32 to enable the clamping post 32 to enter the inside of the fixing groove 20 and simultaneously compress the first spring 12, the limitation of the clamping post 32 is lost, the worker takes off the clamping groove 29 from the inside of the movable tube 30, the worker can conveniently detach the mounting plate 8 and the probe body 28, a clamping plate 22 is fixedly installed on one side of the probe body 28, one side of the mounting plate 8 is provided with a movable hole 6, the clamping plate 22 is movably sleeved with the movable hole 6, one side of the mounting plate 8 is fixedly provided with a supporting block 23, the bottom surface of the supporting block 23 is fixedly provided with two third springs 24, the third springs 24 are of the prior structure and are not described herein, one ends of the two third springs 24 are fixedly provided with a placing plate 27, the bottom surface of the placing plate 27 is fixedly provided with a clamping block 25, the top surface of the clamping plate 22 is provided with a plurality of clamping grooves 29, the clamping block 25 is movably sleeved with the clamping grooves 29, through the arranged placing plate 27, a worker moves the placing plate 27 upwards, the placing plate 27 moves to drive the clamping block 25 to move to the outside of the clamping grooves 29 and simultaneously compress the third springs 24, then the worker moves the clamping plate 22 forwards, the clamping plate 22 moves to drive the probe body 28 to move, and the worker moves the probe body 28 to a proper position, then, the worker releases the placing plate 27, and the acting force of the third spring 24 causes the clamping block 25 to move downwards into the clamping groove 29, so that the worker can conveniently adjust the position of the probe body 28.

EXAMPLE III

Referring to fig. 1, fig. 2 and fig. 4, one side of the mounting plate 8 is provided with a supporting plate 10, one side of the supporting plate 10 is fixedly provided with a plurality of cleaning strips 26, the supporting plate 10 is arranged through the supporting plate 10, the supporting plate 10 moves along with the mounting plate 8 on the side surface of the pipe 1 to be measured, the supporting plate 10 moves to drive the cleaning strips 26 to move to clean dust on the surface of the pipe 1 to be measured, the worker is convenient to clean dust on the pipe 1 to be measured, one side of the mounting plate 8 is fixedly provided with a connecting plate 9, one side of the connecting plate 9 is fixedly connected with one side of the supporting plate 10, one side of the mounting plate 8 and one side of the connecting plate 9 are both provided with circular through holes, the inner circular wall surface of each circular through hole is provided with a thread, the inner circular wall surface of each circular through hole is in threaded connection with a second threaded post 21, the second threaded post 21 is taken down by the worker, then the worker separates the supporting plate 10 from the mounting plate 8, the worker is convenient to wash the supporting plate 10, the excircle wall surface of the movable plate 2 is fixedly provided with two fixing boxes 5, the worker is fixedly provided, the fixing boxes 5, the worker puts heavy objects into the fixing boxes 5, and the worker can further reduce the shake of the movable plate 2.

The working principle is as follows: referring to fig. 1 to 5, through the set fixing ring 15, the worker places the fixing ring 15 on the first threaded column 16, and then places a nut on the first threaded column 16 and rotates the nut to fix the fixing ring 15, so as to fix the mounting plate 8 on one side of the pipe 1 to be tested, through the set first threaded column 16, the worker moves the first threaded column 16, the first threaded column 16 moves to drive the movable block 17 to move, and simultaneously, the limit column 14 moves inside the fixing frame 11, the movable block 17 moves on the mounting column 18 to compress the second spring 19, the first threaded column 16 also drives the fixing ring 15 and the connecting column 13 to move, the connecting column 13 moves to drive the movable pipe 30 to move, the movable pipe 30 moves to drive the base plate 33 and the mounting plate 8 to move on the side of the pipe 1 to be tested, the mounting plate 8 moves to drive the probe body 28 to move, the probe body 28 moves to test the side of the pipe 1, thereby achieving the scanning effect of the side of the pipe 1 to be tested, and facilitating the worker to test the crack on the side of the pipe 1 to be tested.

Through the board 27 of placing that sets up, the staff rebound places board 27, it makes third spring 24 compressed simultaneously to place board 27 removal drive joint piece 25 and move to the outside of joint groove 29, then the staff removes joint board 22 forward, joint board 22 removes and drives probe body 28 and remove, the staff removes probe body 28 to suitable position, then the staff loosens and places board 27, the effort of third spring 24 makes joint piece 25 move down the inside that gets into joint groove 29, the staff of being convenient for adjusts the position of probe body 28.

Through the joint post 32 that sets up, the staff presses down joint post 32 and makes first spring 12 compressed simultaneously in the joint post 32 gets into the inside of fixed slot 20, the restriction of joint post 32 has been lost, the staff takes off joint groove 29 from the inside of movable tube 30, be convenient for the staff dismantles mounting panel 8 and probe body 28, backup pad 10 through setting up, backup pad 10 is followed mounting panel 8 and is being awaited measuring the side movement of pipe 1, backup pad 10 removes to drive cleaning strip 26 and removes and cleans the dust of treating survey pipe 1 surface, be convenient for the staff clearance be measured the dust on the pipe 1, through the second screw post 21 that sets up, the staff takes off second screw post 21, then the staff separates backup pad 10 and mounting panel 8, be convenient for the staff washes backup pad 10, through the fixed box 5 that sets up, the staff puts the inside of fixed box 5 into with the heavy object, be convenient for the staff reduces rocking of movable plate 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Scanning device for non-ferromagnetic pipeline pulse eddy current testing, which is characterized by comprising:

the device comprises a pipe to be measured (1), wherein two movable plates (2) are movably sleeved on the outer circle wall surface of the pipe to be measured (1), a fixed plate (3) is fixedly installed between the two movable plates (2), an installation plate (8) is arranged on the bottom surface of the fixed plate (3), and a plurality of rubber plates (4) are fixedly installed on the bottom surface of the fixed plate (3);

the scanning assembly is arranged on the top surface of the fixing plate (3) and used for scanning the side surface of the pipe (1) to be detected.

2. The scanning device for pulsed eddy current inspection of non-ferromagnetic pipelines according to claim 1, wherein the scanning assembly comprises:

two fixed frames (11), two the equal fixed mounting of fixed frame (11) is in the top surface of fixed plate (3), two be provided with movable block (17) between fixed frame (11), the equal fixed mounting in both sides of movable block (17) has restriction post (14), restriction post (14) with fixed frame (11) activity is cup jointed, the top surface fixed mounting of fixed plate (3) has two fixed blocks (7), two fixed mounting has erection column (18) between fixed block (7), circular through-hole has been seted up to one side of movable block (17), circular through-hole's interior round wall with the excircle wall activity of erection column (18) is cup jointed, the excircle wall activity of erection column (18) has cup jointed second spring (19), the one end of second spring (19) with be located left one side fixed connection of fixed block (7), the other end of second spring (19) with one side fixed connection of movable block (17), the top surface fixed mounting of movable block (17) has first screw thread post (16), the wall activity of first screw thread cup joints post (16), the outer circle wall activity of first screw thread post (15) is installed the outer circle wall of fixed ring (13), fixed ring (13), the inside activity of activity pipe (30) has cup jointed base plate (33), the bottom surface of base plate (33) with the top surface fixed connection of mounting panel (8), one side of mounting panel (8) is provided with probe body (28).

3. The scanning device for pulsed eddy current testing of non-ferromagnetic pipelines according to claim 2, wherein: fixed slot (20) have all been seted up to the both sides of base plate (33), the inside fixed mounting of fixed slot (20) has first spring (12), joint post (32) have been cup jointed in the activity of the interior circle wall of fixed slot (20), the one end of first spring (12) with the one end fixed connection of joint post (32), joint hole (31) have all been seted up to the both sides of movable tube (30), the excircle wall of joint post (32) with the activity of the interior circle wall in joint hole (31) is cup jointed.

4. The scanning device for pulsed eddy current testing of non-ferromagnetic pipelines according to claim 2, wherein: one side fixed mounting of probe body (28) has joint board (22), activity hole (6) have been seted up to one side of mounting panel (8), joint board (22) with activity hole (6) activity is cup jointed, one side fixed mounting of mounting panel (8) has supporting shoe (23), the bottom surface fixed mounting of supporting shoe (23) has two third springs (24), two the one end fixed mounting of third spring (24) has places board (27), the bottom surface fixed mounting who places board (27) has joint piece (25), a plurality of joint groove (29) have been seted up to the top surface of joint board (22), joint piece (25) with joint groove (29) activity is cup jointed.

5. The scanning device for pulsed eddy current inspection of non-ferromagnetic pipelines according to claim 2, wherein: one side of mounting panel (8) is provided with backup pad (10), one side fixed mounting of backup pad (10) has a plurality of cleaning strip (26).

6. The scanning device for pulsed eddy current testing of non-ferromagnetic pipelines according to claim 5, wherein: one side fixed mounting of mounting panel (8) has connecting plate (9), one side of connecting plate (9) with one side fixed connection of backup pad (10), one side of mounting panel (8) with circular through-hole has all been seted up to one side of connecting plate (9), the interior circle wall of circular through-hole is seted up threadedly, the interior circle wall threaded connection of circular through-hole has second screw thread post (21).

7. The scanning device for pulsed eddy current testing of non-ferromagnetic pipelines according to claim 1, characterized in that: the excircle wall surface of the movable plate (2) is fixedly provided with two fixed boxes (5).