CN217542975U - Splitting mechanism of pipeline pulse eddy current testing device - Google Patents

Abstract

The utility model discloses a pipeline pulse eddy current testing device's split mechanism, its technical scheme main points are: including pulse eddy current testing appearance, pulse eddy current testing appearance's inside is provided with control panel, pulse eddy current testing appearance's both sides respectively fixed mounting place the post, the excircle wall of placing the post is provided with first snap ring, through first snap ring, the second snap ring, first joint board, magnet and screw thread post use of mutually supporting, thereby can reach the effect of tearing first snap ring and second snap ring apart, through placing the hole, first joint board, the screw thread post, magnet, the spread groove, first snap ring and second snap ring use of mutually supporting, the staff of being convenient for uses and carries out long-time the detection to the pipeline, through first snap ring, the second snap ring, first joint board, the extension board, the fixture block, the slider, coil spring and compression spring use of mutually supporting, the staff of being convenient for with first snap ring and second snap ring centre gripping at unidimensional pipeline surface not.

Description

Splitting mechanism of pipeline pulse eddy current detection device

Technical Field

The utility model relates to a pipeline pulse eddy current testing device technical field, concretely relates to pipeline pulse eddy current testing device's split mechanism.

Background

The impulse eddy current testing technique adopts square wave or step mode excitation, contain abundant frequency component, if can be used to the high frequency component of equipment upper surface defect detection and be used for the low frequency component of equipment lower surface defect detection, the limitation that traditional vortex can only detect equipment upper surface defect has been avoided, furthermore, the excitation energy of impulse eddy current is stronger, has fine penetrability, can pierce through protective layer and dozens or even hundreds of millimeters heat insulation layer, can really realize carrying out the detection of not shutting down to the pressure-bearing member under the condition of not demolising the protective layer, therefore, the impulse eddy current has good application prospect in the pipeline and equipment, especially the detection of the pipeline and the equipment of taking the cladding layer.

Among the prior art, because the staff uses the pulse vortex detector to detect time measuring to the pipeline, the staff need hold the test probe always, can't hold the probe with the staff for a long time and detect to can lead to the work of not being convenient for to detect the pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a pipeline pulse vortex detection device's split mechanism has solved the staff and has used pulse vortex detector to examine time measuring to the pipeline, and the staff need hold test probe always, can't hold the probe with the staff for a long time and detect to can lead to the problem of the work detection pipeline of being not convenient for.

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

pipeline pulse eddy current testing device's split mechanism includes: the device comprises a pulse eddy current detector, wherein a control panel is arranged inside the pulse eddy current detector, placing columns are fixedly arranged on two sides of the pulse eddy current detector respectively, a first clamping ring is arranged on the outer circle wall surface of each placing column, and a second clamping ring is arranged on the outer circle wall surface of each placing column; make things convenient for the determine module, make things convenient for the determine module setting to be in one side of first snap ring for make things convenient for the staff to detect the pipeline.

In order to facilitate the staff use to carry out long-time detection, conduct to the pipeline the utility model discloses a pipeline pulse eddy current testing device's split mechanism, the preferred, make things convenient for the determine module to include: two spread grooves, two the spread groove is all seted up one side of first snap ring, one side fixed mounting of second snap ring has two first joint boards, first joint board with spread groove activity joint, inside one side fixed mounting of first joint board has two coil spring, two spacing grooves have been seted up to one side of first joint board, the spout has been seted up respectively to the inside top surface and the bottom surface of spacing groove, inside one side fixed mounting of spout has compression spring, the inside sliding connection of spacing groove has the fixture block, the top surface and the bottom surface of fixture block fixed mounting respectively have the slider, the slider with spout sliding connection, the slider with compression spring fixed mounting, the inside sliding connection of first snap ring has the extension board, the extension board with coil spring fixed mounting, a plurality of draw-in groove has been seted up respectively to the both sides of extension board, the fixture block with draw-in groove activity joint, inside one side of spread groove with one side of extension board fixed mounting respectively has magnet, the excircle wall of first snap ring has seted up the circular through-hole of a plurality of circular through-hole, the interior round wall surface activity of circular through-hole has seted up the socket post, the excircle fixed mounting of first snap ring has the outside screw thread hole respectively with the fixed mounting both sides of the first snap ring.

In order to reach the convenient effect of placing the inside in hole with the test probe centre gripping, conduct the utility model discloses a pipeline pulse eddy current testing device's split mechanism, the preferred, make things convenient for the determine module still to include: the mounting groove is respectively provided with two the inside top surface and the bottom surface of the placing hole, the inside bottom surface and the top surface of the mounting groove are respectively fixedly provided with a plurality of strong springs, the inside of the mounting groove is connected with a second clamping plate in a sliding mode, and the second clamping plate is fixedly installed with the strong springs.

In order to facilitate fixing the test probe in the inside of placing the hole, as the utility model discloses a pipeline pulse eddy current testing device's split mechanism, the preferred, the inside of placing the hole is provided with the baffle, there is the fixed block both sides difference fixed mounting of baffle, circular through-hole has been seted up to one side of fixed block, the bolt has been cup jointed in the activity of the interior round wall of circular through-hole, the joint groove has been seted up respectively to the inside both sides of placing the hole, the thread groove has been seted up to inside one side in joint groove, the bolt with thread groove threaded connection.

In order to make things convenient for the staff to adjust the position of first snap ring and second snap ring on the pipeline surface, as the utility model discloses a pipeline pulse eddy current testing device's split mechanism, the preferred, first snap ring with the circular through-hole of a plurality of has been seted up respectively to the interior round wall of second snap ring, the swivelling chute has been seted up to the interior round wall of circular through-hole, the interior round wall of swivelling chute rotates and is connected with the steel ball, the steel ball with circular through-hole activity cup joints.

For the convenience of staff carries first snap ring and second snap ring, as the utility model discloses a pipeline pulse eddy current testing device's split mechanism, the preferred, place one side of post and seted up the second fixed slot, the interior round wall of second fixed slot is seted up threadedly, the one side of placing the post is provided with the limiting plate, the excircle wall of limiting plate is seted up threadedly, the limiting plate with second fixed slot threaded connection.

In order to facilitate the staff to maintain pulse eddy current detector internals, as the utility model discloses a pipeline pulse eddy current detection device's split mechanism, the preferred, pulse eddy current detector's inside fixed mounting has fixed frame, two joint holes have been seted up to the top surface of fixed frame, the restriction groove has been seted up to inside one side in joint hole, two shifting chutes have been seted up to the top surface of fixed frame, the shifting chute with the restriction groove communicates mutually, the inside sliding connection of shifting chute has the slip post, two adjustment tanks have been seted up to control panel's top surface, the slip post with adjustment tank sliding connection, control panel's bottom surface fixed mounting has two locating pieces, one side fixed mounting of locating piece has the elastic metal piece, one side fixed mounting of elastic metal piece has the reference column, the locating piece with joint hole activity joint, the reference column with restriction groove activity joint.

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

through the first snap ring and the second snap ring that set up, through first snap ring, the second snap ring, first joint board, magnet and screw post use of mutually supporting, thereby can reach the effect of tearing first snap ring and second snap ring apart, through placing the hole, first joint board, the screw post, magnet, the spread groove, first snap ring and second snap ring use of mutually supporting, the staff of being convenient for uses and detects the pipeline for a long time, through first snap ring, the second snap ring, first joint board, the extension plate, the fixture block, the slider, coil spring and compression spring use of mutually supporting, the staff of being convenient for is with first snap ring and second snap ring centre gripping at the not unidimensional pipeline surface.

Through the second joint board that sets up, when the staff puts into the inside of placing the hole with the probe, through removing two second joint boards, make the space between two second joint boards enlarge, then put into the inside of second joint board with the probe, and then make powerful spring drive second joint board kick-back, can restrict the probe, thereby can reach the convenient effect of placing the inside of hole with the test probe centre gripping, baffle through setting up, the staff drives the fixed block through removing the baffle and removes, and then put into the inside of joint groove with the fixed block, then through the inside of putting into the thread groove with the bolt, thereby can fix the baffle, through blockking of baffle, be convenient for fix the inside of placing the hole with the test probe.

Through the steel ball that sets up, when the staff need detect the different positions of pipeline, through being connected first snap ring and second snap ring not hard up, and then can make the steel ball rotate through removing first snap ring and second snap ring, can make first snap ring and second snap ring at pipeline surface translation and rotation through the steel ball to can reach the effect that makes things convenient for the staff to adjust first snap ring and second snap ring at pipeline surface's position.

Drawings

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

fig. 2 is a schematic view of the fixing frame structure of the present invention;

FIG. 3 is a schematic view of the placement post of the present invention;

fig. 4 is a schematic view of a first snap ring structure of the present invention;

FIG. 5 is a left side view of the first clamping plate structure of the present invention;

FIG. 6 is a partial schematic view of A of FIG. 4;

FIG. 7 is a schematic bottom view of the positioning block structure of the present invention,

FIG. 8 is B in FIG. 2 partial structure schematic diagram.

Reference numerals: 1. a pulsed eddy current detector; 2. a control panel; 3. placing the column; 4. a first snap ring; 5. a second snap ring; 6. connecting grooves; 7. a first clamping connection plate; 8. a resilient metal sheet; 9. a limiting groove; 10. a chute; 11. a clamping block; 12. a slider; 13. an extension plate; 14. a card slot; 15. a threaded post; 16. a first fixing groove; 17. placing holes; 18. a bumping post; 19. mounting grooves; 20. a second clamping plate; 21. a baffle plate; 22. a fixed block; 23. a bolt; 24. a clamping groove; 25. a rotating tank; 26. a positioning column; 27. steel balls; 28. a second fixing groove; 29. a limiting plate; 30. a fixing frame; 31. a clamping hole; 32. a limiting groove; 33. a moving groove; 34. a sliding post; 35. an adjustment groove; 36. and (5) positioning the blocks.

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, 4, 5 and 6, the splitting mechanism of the pipeline pulse eddy current testing device comprises a pulse eddy current testing device 1, a control panel 2 is arranged inside the pulse eddy current testing device 1, a placing column 3 is fixedly mounted on each of two sides of the pulse eddy current testing device 1, a first snap ring 4 is arranged on the outer circular wall surface of the placing column 3, a second snap ring 5 is arranged on the outer circular wall surface of the placing column 3, one side of the first snap ring 4 is arranged on a convenient testing component for facilitating a worker to test a pipeline, the convenient testing component comprises two connecting grooves 6, the two connecting grooves 6 are arranged on one side of the first snap ring 4, two first clamping plates 7 are fixedly mounted on one side of the second snap ring 5, the first clamping plates 7 are movably clamped with the connecting grooves 6, two spiral springs are fixedly mounted on one side inside the first clamping plates 7, two limiting grooves 9 are formed in one side of a first clamping plate 7, sliding grooves 10 are respectively formed in the top surface and the bottom surface of the inner portion of each limiting groove 9, a compression spring is fixedly installed on one side of the inner portion of each sliding groove 10, a clamping block 11 is slidably connected to the inner portion of each limiting groove 9, sliding blocks 12 are respectively and fixedly installed on the top surface and the bottom surface of each clamping block 11, each sliding block 12 is slidably connected with the corresponding sliding groove 10, each sliding block 12 is fixedly installed with the corresponding compression spring, an extending plate 13 is slidably connected to the inner portion of the first clamping plate 7, each extending plate 13 is fixedly installed with a spiral spring, a plurality of clamping grooves 14 are respectively formed in the two sides of each extending plate 13, each clamping block 11 is movably clamped with each clamping groove 14, magnets are respectively and fixedly installed on one side of the inner portion of each connecting groove 6 and one side of each extending plate 13, a plurality of circular through holes are formed in the outer circle wall surface of each first clamping ring 4, threaded columns 15 are movably sleeved on the inner circle wall surfaces of the circular through holes, first fixing grooves 16 are formed in the top surfaces of the extending plates 13, the inner circle wall surface of the first fixing groove 16 is provided with threads, the threaded column 15 is in threaded connection with the first fixing groove 16, the outer circle wall surfaces of the first snap ring 4 and the second snap ring 5 are respectively provided with a placing hole 17, two sides of the inside of the placing hole 17 are respectively and fixedly provided with a retaining column 18, when a worker detects a pipeline, the worker can remove the fixing of the threaded column 15 on the extension plate 13 by taking the first snap ring 4 and the second snap ring 5 off the surface of the placing column 3 and moving the threaded column 15 out of the first fixing groove 16, then the worker can pull the first snap ring 4 and the second snap ring 5 towards two sides to separate two magnets, then the worker can drive the first clamping plate 7 and the extension plate 13 to move by moving the second snap ring 5, and then can move the first clamping plate 7 and the extension plate 13 out of the connecting groove 6, therefore, the effect of detaching the first snap ring 4 from the second snap ring 5 can be achieved, then a worker places the first snap ring 4 and the second snap ring 5 on the surface of the pipeline, the first snap ring 4 and the second snap ring 5 are clamped on the surface of the pipeline, then the worker drives the first clamping plate 7 and the extension plate 13 to move by moving the second snap ring 5, then the first clamping plate 7 and the extension plate 13 are placed in the connecting groove 6, the two magnets are overlapped, so that the first snap ring 4 and the second snap ring 5 can be connected together, then the threaded column 15 is placed in the first fixing groove 16, the effect of fixing the first snap ring 4 and the second snap ring 5 on the surface of the pipeline can be achieved, at the moment, one point of the pipeline is located between the first snap ring 4 and the second snap ring 5, and then the worker clamps the pulse eddy current detection probe into the placing hole 17, make the detection limit of probe and pipeline press close to, thereby can liberate staff's both hands, it detects to hold the probe always with the staff, and then be convenient for the staff to use and detect the pipeline for a long time, the staff drives slider 12 oppression compression spring through removing fixture block 11 and removes, and then can shift out draw-in groove 14 with the one end of fixture block 11, thereby can remove the fixed to extension plate 13, and then extension plate 13 is under coil spring's promotion, can stretch out first joint board 7, thereby can lengthen the distance between first snap ring 4 and the second snap ring 5, the staff of being convenient for is with first snap ring 4 and the centre gripping of second snap ring 5 at the pipeline surface of unidimensional not.

Example two

Referring to fig. 1, 2, 3, 4, 5 and 6, the portable inspection assembly further includes a plurality of mounting grooves 19, the plurality of mounting grooves 19 are respectively formed on the inner top and bottom surfaces of the two mounting holes 17, the inner bottom and top surfaces of the plurality of mounting grooves 19 are respectively fixedly mounted with a plurality of strong springs, the inner portion of the mounting groove 19 is slidably connected with a second clamping plate 20, the second clamping plate 20 is fixedly mounted with the strong springs, the probe is placed in the second clamping plate 20 through the second clamping plate 20, the strong springs resiliently move the second clamping plate 20 to restrict the probe when the worker places the probe in the interior of the mounting hole 17, the interior of the mounting hole 17 is provided with a baffle 21, both sides of the baffle 21 are respectively fixedly mounted with a fixing block 22, one side of the baffle 22 is provided with a circular through hole, the inner circular through hole is movably connected with a bolt 23, the inner side of the positioning hole 17 is provided with a fixing block 24, and the baffle 21 is connected with the inner circle of the second clamping plate 24, and the inner circle of the baffle 21, and the inner circle of the baffle 21, thereby facilitating the probe to be placed in the interior of the mounting groove 24, and the inner circle of the mounting groove, and the inner circle of the clamp plate 21, the interior round wall of swivelling chute 25 rotates and is connected with steel ball 27, steel ball 27 cup joints with circular through-hole activity, steel ball 27 through setting up, when the staff need detect the different positions of pipeline, through being connected first snap ring 4 and second snap ring 5 not hard up, and then can make steel ball 27 rotate through removing first snap ring 4 and second snap ring 5, can make first snap ring 4 and second snap ring 5 translate and rotate on the pipeline surface through steel ball 27, thereby can reach the effect that makes things convenient for the staff to adjust first snap ring 4 and second snap ring 5 in the position of pipeline surface.

EXAMPLE III

Referring to fig. 1, 2, 3, 4, 5, 6, 7 and 8, a second fixing groove 28 is formed at one side of a placing column 3, a thread is formed on an inner circular wall surface of the second fixing groove 28, a limiting plate 29 is arranged at one side of the placing column 3, a thread is formed on an outer circular wall surface of the limiting plate 29, the limiting plate 29 is in threaded connection with the second fixing groove 28, through the limiting plate 29, a worker connects the first snap ring 4 and the second snap ring 5 together, then the first snap ring 4 and the second snap ring 5 are sleeved on the surface of the placing column 3, and then the worker places one end of the limiting plate 29 into the second fixing groove 28, so that the limiting plate 29 can be fixed, and the first snap ring 4 and the second snap ring 5 are limited on the outer circular wall surface of the placing column 3, so that the worker can conveniently carry the first snap ring 4 and the second snap ring 5, the pulse eddy current detector 1 is internally and fixedly provided with a fixed frame 30, the top surface of the fixed frame 30 is provided with two clamping holes 31, one side inside the clamping holes 31 is provided with a limiting groove 32, the top surface of the fixed frame 30 is provided with two moving grooves 33, the moving grooves 33 are communicated with the limiting groove 32, the inside of the moving grooves 33 is in sliding connection with a sliding column 34, the top surface of the control panel 2 is provided with two adjusting grooves 35, the sliding column 34 is in sliding connection with the adjusting grooves 35, the bottom surface of the control panel 2 is fixedly provided with two positioning blocks 36, one side of each positioning block 36 is fixedly provided with an elastic metal sheet 8, one side of each elastic metal sheet 8 is fixedly provided with a positioning column 26, each positioning block 36 is movably clamped with the clamping hole 31, each positioning column 26 is movably clamped with the limiting groove 32, and by the elastic metal sheets 8, because the pulse eddy current detector 1 is an integral structure, when the internal parts of the pulse eddy current detector 1 are damaged, the staff makes slip post 34 extrusion reference column 26 and elastic metal piece 8 through promoting slip post 34, because elastic metal piece 8 has elasticity, and then can extrude reference column 26 restriction groove 32, thereby can remove the fixed to control panel 2, then staff rebound control panel 2, thereby can reach split pulse vortex detector 1 and control panel 2's effect, the staff of being convenient for maintains 1 internals of pulse vortex detector.

The working principle is as follows: referring to fig. 1 to 8, when a worker inspects a pipeline by using the first snap ring 4 and the second snap ring 5, the worker removes the first snap ring 4 and the second snap ring 5 from the surface of the placement post 3, moves the threaded post 15 out of the first fixing groove 16, so as to release the fixing of the threaded post 15 to the extension plate 13, pulls the first snap ring 4 and the second snap ring 5 towards both sides, so as to separate the two magnets, moves the second snap ring 5 to drive the first snap plate 7 and the extension plate 13 to move out of the connecting groove 6, so as to achieve the effect of separating the first snap ring 4 from the second snap ring 5, and then places the first snap ring 4 and the second snap ring 5 on the surface of the pipeline, so as to allow the first snap ring 4 and the second snap ring 5 to be clamped on the surface of the pipeline, then the staff drives the first joint plate 7 and the extension plate 13 to move by moving the second snap ring 5, and then the first joint plate 7 and the extension plate 13 are put into the connecting groove 6, so that the two magnets are superposed, the first snap ring 4 and the second snap ring 5 can be connected together, then the threaded column 15 is put into the first fixing groove 16, so that the effect of fixing the first snap ring 4 and the second snap ring 5 on the surface of the pipeline can be achieved, at the moment, one point of the pipeline is positioned between the first snap ring 4 and the second snap ring 5, then the staff clamps the pulse eddy current detection probe into the inside of the placing hole 17, so that the detection edge of the probe is close to the pipeline, thereby the two hands of the staff can be released, the staff does not need to hold the probe all the time for detection, and further the staff can conveniently use the pipeline for long-time detection, the staff drives slider 12 through removing fixture block 11 and oppresses compression spring and remove, and then can shift out draw-in groove 14 with the one end of fixture block 11 to can remove the fixed to extension board 13, and then extension board 13 can stretch out first snap ring 7 under coil spring's promotion, thereby can lengthen the distance between first snap ring 4 and the second snap ring 5, the staff of being convenient for with first snap ring 4 and the centre gripping of second snap ring 5 at the pipeline surface of unidimensional.

Through the second joint board 20 that sets up, when the staff puts into the inside of placing hole 17 with the probe, through removing two second joint boards 20, make the space between two second joint boards 20 enlarge, then put into the inside of second joint board 20 with the probe, and then make powerful spring drive second joint board 20 kick-back, can restrict the probe, thereby can reach the convenient effect of placing hole 17's inside with the test probe centre gripping, baffle 21 through setting up, the staff drives fixed block 22 through removing baffle 21 and removes, and then put into the inside of joint groove 24 with fixed block 22, then through the inside of putting into the thread groove with bolt 23, thereby can fix baffle 21, through the blockking of baffle 21, be convenient for fix test probe in the inside of placing hole 17.

Through the steel ball 27 that sets up, when the staff need detect the different positions of pipeline, through being connected first snap ring 4 and second snap ring 5 not hard up, and then can make steel ball 27 rotate through removing first snap ring 4 and second snap ring 5, can make first snap ring 4 and second snap ring 5 translate and rotate on the pipeline surface through steel ball 27 to can reach the effect that makes things convenient for the staff to adjust first snap ring 4 and second snap ring 5 in the position of pipeline surface.

Through the elastic metal piece 8 that sets up, because pulse vortex detector 1 is a body structure, when 1 internals of pulse vortex detector damaged, the staff is through promoting slip post 34, make slip post 34 extrude reference column 26 and elastic metal piece 8, because elastic metal piece 8 has elasticity, and then can extrude reference column 26 restriction groove 32, thereby can remove the fixed to control panel 2, then staff rebound control panel 2, thereby can reach split pulse vortex detector 1 and control panel 2's effect, be convenient for the staff maintains 1 internals of pulse vortex detector.

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 (7)

1. Pipeline pulse eddy current testing device's split mechanism, its characterized in that includes:

the pulse eddy current detector (1) is internally provided with a control panel (2), two sides of the pulse eddy current detector (1) are respectively and fixedly provided with a placing column (3), the excircle wall surface of the placing column (3) is provided with a first clamping ring (4), and the excircle wall surface of the placing column (3) is provided with a second clamping ring (5);

make things convenient for the determine module, make things convenient for the determine module setting to be in one side of first snap ring (4) for make things convenient for the staff to detect the pipeline.

2. The mechanism of claim 1, wherein the convenient detection assembly comprises:

two connecting grooves (6), wherein the two connecting grooves (6) are respectively arranged at one side of the first clamping ring (4), one side of the second clamping ring (5) is fixedly provided with two first clamping plates (7), the first clamping plates (7) are movably clamped with the connecting grooves (6), one side inside the first clamping plates (7) is fixedly provided with two spiral springs, one side of the first clamping plates (7) is provided with two limiting grooves (9), the top surface and the bottom surface inside the limiting grooves (9) are respectively provided with a sliding groove (10), one side inside the sliding grooves (10) is fixedly provided with a compression spring, the inside of the limiting grooves (9) is slidably connected with a clamping block (11), the top surface and the bottom surface of the clamping block (11) are respectively and fixedly provided with a sliding block (12), the sliding block (12) is slidably connected with the sliding groove (10), the sliding block (12) is fixedly arranged with the compression spring, the inside of the first clamping plates (7) is slidably connected with an extending plate (13), the extending plate (13) is fixedly arranged with the spiral springs, the extending plate (13) is fixedly arranged, two sides of the extending plate (13) are respectively provided with a plurality of the movable clamping grooves (14), one side of the magnet (6) is fixedly arranged with one side of the extending clamping grooves (11) and one side of the connecting groove (14), the circular through-hole of a plurality of has been seted up to the excircle wall of first snap ring (4), screw thread post (15) have been cup jointed in the activity of the interior circle wall of circular through-hole, first fixed slot (16) have been seted up to the top surface of extension board (13), the interior circle wall of first fixed slot (16) is seted up threadedly, screw thread post (15) with first fixed slot (16) threaded connection, first snap ring (4) with the excircle wall of second snap ring (5) has been seted up respectively and has been placed hole (17), the inside both sides of placing hole (17) respectively fixed mounting have bumping post (18).

3. The mechanism of claim 2, wherein the assembly further comprises:

a plurality of mounting groove (19), a plurality of mounting groove (19) are seted up respectively two place the inside top surface and the bottom surface of hole (17), and is a plurality of the inside bottom surface and the top surface of mounting groove (19) are fixed mounting respectively has a plurality of powerful spring, the inside sliding connection of mounting groove (19) has second joint board (20), second joint board (20) with powerful spring fixed mounting.

4. The splitting mechanism of the pipeline pulsed eddy current inspection device according to claim 3, wherein: the inside of placing hole (17) is provided with baffle (21), the both sides of baffle (21) are fixed mounting respectively has fixed block (22), circular through-hole has been seted up to one side of fixed block (22), bolt (23) have been cup jointed in the activity of the interior round wall of circular through-hole, joint groove (24) have been seted up respectively to the inside both sides of placing hole (17), the thread groove has been seted up to inside one side of joint groove (24), bolt (23) with thread groove threaded connection.

5. The splitting mechanism of the pipeline pulsed eddy current testing device according to claim 1, wherein: the circular through holes of a plurality of are respectively formed in the inner circle wall surfaces of the first clamping ring (4) and the second clamping ring (5), the rotating groove (25) is formed in the inner circle wall surface of the circular through hole, the steel ball (27) is rotatably connected to the inner circle wall surface of the rotating groove (25), and the steel ball (27) is movably sleeved with the circular through hole.

6. The splitting mechanism of the pipeline pulsed eddy current testing device according to claim 1, wherein: the novel fixing device is characterized in that a second fixing groove (28) is formed in one side of the placing column (3), threads are formed in the inner circle wall surface of the second fixing groove (28), a limiting plate (29) is arranged on one side of the placing column (3), threads are formed in the outer circle wall surface of the limiting plate (29), and the limiting plate (29) is in threaded connection with the second fixing groove (28).

7. The splitting mechanism of the pipeline pulsed eddy current testing device according to claim 1, wherein: the inside fixed mounting of pulse vortex detector (1) has fixed frame (30), two joint holes (31) have been seted up to the top surface of fixed frame (30), restriction groove (32) have been seted up to inside one side of joint hole (31), two shifting chutes (33) have been seted up to the top surface of fixed frame (30), shifting chute (33) with restriction groove (32) are linked together, the inside sliding connection of shifting chute (33) has sliding column (34), two adjustment tank (35) have been seted up to the top surface of control panel (2), sliding column (34) with adjustment tank (35) sliding connection, the bottom surface fixed mounting of control panel (2) has two locating piece (36), one side fixed mounting of locating piece (36) has elastic metal piece (8), one side fixed mounting of elastic metal piece (8) has reference column (26), locating piece (36) with joint hole (31) activity joint, reference column (26) with restriction groove (32) activity joint.

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