CN213779968U

CN213779968U - Online eddy current flaw detector for stainless steel water pipe

Info

Publication number: CN213779968U
Application number: CN202022735014.1U
Authority: CN
Inventors: 贾长顺
Original assignee: Xiamen Tistec Instrument Co ltd
Current assignee: Xiamen Tistec Instrument Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-23
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses an online eddy current flaw detector of stainless steel water pipe relates to eddy current inspection technical field, the on-line screen storage device comprises a base, be provided with the fixed station in the middle of the base top, and be provided with the pole setting in the middle of the fixed station top. The utility model can be simply supported and fixed through the fixed table, the vertical rod, the fixed block and the cross rod, and can be separated from the base, thereby moving according to different occasions, moving the fixed table and moving the equipment under the working condition that needs to be flexibly changed, and avoiding the defect that the traditional equipment is inconvenient to move due to fixed places; the utility model discloses a position through leading wheel adjustment eddy current inspection probe when detecting, according to the crooked change of water pipe, drives the movement of eddy current inspection probe, avoids taking place to cut to scrape, and the data transmission that detects out through eddy current inspection probe can be simple after to the host computer learn testing result, fool's convenient operation has reduced operator's use threshold with the water pipe contact.

Description

Online eddy current flaw detector for stainless steel water pipe

Technical Field

The utility model relates to an eddy current inspection technical field specifically is an online eddy current inspection machine of stainless steel water pipe.

Background

The eddy current flaw detection is suitable for defect detection of conductive material including ferromagnetic and non-ferromagnetic metal material members, and has no need of making coil and member contact closely and no need of filling coupling agent between coil and member, so that it is easy to implement automatic detection.

But the eddy current flaw detector that has been used for stainless steel water pipe is mostly large-scale fixed equipment, and inconvenient removal is used, and current eddy current flaw detector all is direct mount in fixed position, and when the water pipe that awaits measuring appears crooked, the probe takes place the scraping with the steel pipe easily to damage the probe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the existing eddy current flaw detector is inconvenient to move and a probe is easy to scrape, the online eddy current flaw detector for the stainless steel water pipe is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an online eddy current flaw detector of stainless steel water pipe, includes the base, be provided with the fixed station in the middle of the base top, and be provided with the pole setting in the middle of the fixed station top, the pole setting outside slides and has cup jointed the fixed block, and the inside slip of fixed block has cup jointed the horizontal pole, the horizontal pole is kept away from fixed block one side and is provided with a pair of fixed plate, and rotates between a pair of fixed plate and be connected with two sets of guide wheels, be provided with the eddy current detection probe between the fixed plate, and the eddy current detection probe outside is connected with complex host computer with it.

Preferably, base one end is provided with the guide table, and guide table top sliding connection has the multiunit fixed column, the guide table top is provided with the multiunit and fixed column complex mounting groove.

Preferably, the top of the outer side of the fixing column is rotatably connected with a transverse guide wheel, a bearing is connected between the transverse guide wheel and the fixing column, a fixing rod is arranged inside the fixing column, and a pull ring is arranged at the top of the fixing rod.

Preferably, one end of the base, which is far away from the guide table, is provided with a guide plate, a plurality of groups of moving blocks are slidably connected inside the guide plate, and a plurality of groups of sliding grooves matched with the moving blocks are formed inside the guide plate.

Preferably, a fixed shaft is arranged at one end, close to the eddy current testing probe, of the moving block, a vertical guide wheel is rotatably connected to the outer side of the fixed shaft, and a bearing is connected between the vertical guide wheel and the fixed shaft.

Preferably, the guide board top has run through the carousel, and passes through threaded connection between carousel and the guide board.

Preferably, a fixing groove matched with the vertical rod is arranged in the middle of the inside of the fixing block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can be simply supported and fixed through the fixed table, the vertical rod, the fixed block and the cross rod, and can be separated from the base, thereby moving according to different occasions, moving the fixed table and moving the equipment under the working condition that needs to be flexibly changed, and avoiding the defect that the traditional equipment is inconvenient to move due to fixed places;

2. the utility model discloses a guide wheel and water pipe contact, adjust the position of eddy current test probe through the guide wheel during the detection, according to the bending change of water pipe, drive the eddy current test probe and remove, avoid taking place to cut and wipe, and carry out eddy current detection through the eddy current test probe, eddy current detection is to put the coil that leads to the alternating current on the metal sheet that awaits measuring, at this moment in the coil and near will produce alternating magnetic field, produce the induced alternating current that is vortex-like in making the test piece, can induce out the vortex in the work piece, influenced by the vortex, coil current can change, because the size of vortex is different along with there being no defect in the work piece, so the size of coil current change can reflect flawless, through adopting a new electromagnetic principle detection method, the complicated limitation of detection technology that has solved the tradition and adopted supersound, and can be simple after data transmission that will detect to the host computer learn the testing result, and the operation is simple and convenient, and the use threshold of an operator is reduced.

Drawings

Fig. 1 is an external view of the present invention;

FIG. 2 is an overall structure diagram of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. a base; 2. a fixed table; 3. fixing grooves; 4. erecting a rod; 5. a fixed block; 6. a cross bar; 7. a guide wheel; 8. an eddy current inspection probe; 9. a fixing plate; 10. a guide table; 11. fixing the rod; 12. a transverse guide wheel; 13. a pull ring; 14. a turntable; 15. a guide plate; 16. a moving block; 17. a vertical guide wheel; 18. a fixed shaft; 19. fixing a column; 20. a host.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, an online eddy current flaw detector for a stainless steel water pipe comprises a base 1, wherein a fixing table 2 is arranged in the middle of the top of the base 1, a vertical rod 4 is arranged in the middle of the top of the fixing table 2, a fixing block 5 is sleeved outside the vertical rod 4 in a sliding manner, a cross rod 6 is sleeved inside the fixing block 5 in a sliding manner, a pair of fixing plates 9 is arranged on one side, away from the fixing block 5, of the cross rod 6, two groups of guide wheels 7 are rotatably connected between the pair of fixing plates 9, an eddy current detection probe 8 is arranged between the fixing plates 9, and a host 20 matched with the eddy current detection probe 8 is connected to the outer side of the eddy current detection probe.

The utility model carries out simple supporting and fixing through the fixed table 2, the upright stanchion 4, the fixed block 5 and the cross bar 6, and can be separated from the base 1, thereby moving according to different occasions, moving the fixed table 2 under the working condition that needs flexible change, and avoiding the defects of inconvenient moving of the fixed place of the traditional equipment; the utility model discloses a guide wheel 7 contacts with the water pipe, adjust the position of eddy current inspection probe 8 through guide wheel 7 in the measuring, according to the crooked change of water pipe, drive eddy current inspection probe 8 and remove, avoid taking place to cut and wipe, and carry out eddy current detection through eddy current inspection probe 8, eddy current detection is to put the coil that leads to the alternating current on the metal sheet that awaits measuring, at this moment in the coil and near will produce alternating magnetic field, produce the induction alternating current that presents the vortex form in the test piece, can induce the vortex in the work piece, influenced by the vortex, coil current can change, because the size of vortex is different along with there being no defect in the work piece, so the size of coil current change can reflect flawless, through adopting a new electromagnetic principle detection method, the complicated limitation of detection technology that the tradition adopted supersound has been solved, and can be simple after data transmission that will detect to host computer 20 learn the testing result, and the operation is simple and convenient, and the use threshold of an operator is reduced.

Please refer to fig. 1 and fig. 3, one end of the base 1 is provided with a guiding platform 10, and the top of the guiding platform 10 is slidably connected with a plurality of sets of fixing posts 19, the top of the guiding platform 10 is provided with a plurality of sets of mounting grooves matched with the fixing posts 19, the utility model discloses a mounting groove is used for fixing the fixing posts 19.

Please refer to fig. 2 and fig. 3 heavily, the outside top of fixed column 19 rotates and is connected with horizontal guide wheel 12, and is connected with the bearing between horizontal guide wheel 12 and the fixed column 19, and the inside dead lever 11 that is provided with of fixed column 19, and dead lever 11 top is provided with pull ring 13, the utility model discloses a pull ring 13 with fixed column 19, horizontal guide wheel 12 and dead lever 11 place to the guide platform 10 in with the water pipe to be measured to the position of matcing.

Please refer to fig. 3 and fig. 4 heavily, base 1 is kept away from guide table 10 one end and is provided with guide board 15, and guide the inside sliding connection of board 15 and have multiunit movable block 16, guide board 15 inside be provided with multiunit and movable block 16 complex sliding tray, the utility model discloses a sliding tray makes movable block 16 can remove to drive perpendicular leading wheel 17 through movable block 16 and adjust to and await measuring water pipe assorted position.

Please refer to fig. 1 and 4 heavily, the movable block 16 is provided with a fixed axle 18 near the eddy current testing probe 8, and the outside of the fixed axle 18 is connected with a vertical guide wheel 17 in a rotating manner, and a bearing is connected between the vertical guide wheel 17 and the fixed axle 18, the utility model discloses a bearing improves the flexibility of the vertical guide wheel 17, and guides the water pipe through the vertical guide wheel 17.

Please refer to fig. 1 and fig. 2, the rotary plate 14 penetrates the top of the guiding plate 15, and the rotary plate 14 is connected with the guiding plate 15 through a screw thread, the rotary plate 14 adjusts the position of the moving block 16.

Please refer to fig. 1 and fig. 2, a fixing groove 3 is disposed in the middle of the inside of the fixing block 5 and is matched with the vertical rod 4, the fixing groove 3 of the present invention tightly clamps the vertical rod 4, so as to fix the fixing block 5.

The working principle is as follows: firstly, an external power supply is switched on, the device is connected with a feeding device, the position of a moving block 16 is adjusted through a rotary table 14, so that a vertical guide wheel 17 is adjusted to a position matched with a water pipe to be detected, a fixed column 19, a transverse guide wheel 12 and a fixed rod 11 are placed in a guide table 10 through a pull ring 13 to be matched with the position of the water pipe to be detected, a fixed table 2 is fixed with a base 1, when the fixed block 5 moves to the height suitable for detecting the water pipe, the vertical rod 4 is clamped through a fixed groove 3, so that the fixed block 5 is fixed, the heights of a transverse rod 6, a guide wheel 7 and an eddy current detection probe 8 are fixed, the water pipe is provided through the feeding device, the water pipe is forwards conveyed through the restraint of a plurality of groups of vertical guide wheels 17 and guide wheels 7, meanwhile, the guide wheels 7 are contacted with the water pipe, the position of the eddy current detection probe 8 is adjusted through the guide wheels 7 during detection, according to the bending change of the water pipe, the eddy current detection probe 8 is driven to move, the water pipe is continuously detected under the condition of avoiding rubbing, when a mobile device is required to detect, the fixed platform 2 is separated from the base 1 to carry out handheld detection, the eddy current detection is carried out through the eddy current detection probe 8, the eddy current detection is to place a coil which is communicated with alternating current on a metal plate to be detected, an alternating magnetic field is generated in the coil and nearby the coil, so that eddy-shaped induced alternating current is generated in a test piece, eddy current is induced in the workpiece, the coil current is influenced by the eddy current and changes, and the size of the eddy current is different along with whether defects exist in the workpiece, so that the size of the coil current change can reflect the defect-free state, by adopting a novel electromagnetic principle detection method, the limitation that the traditional ultrasonic detection process is complex is solved, and the detected data can be simply transmitted to a host machine 20 to obtain the detection result, and the operation is simple and convenient, and the use threshold of an operator is reduced.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an online eddy current flaw detector of stainless steel water pipe, includes base (1), its characterized in that: be provided with fixed station (2) in the middle of base (1) top, and be provided with pole setting (4) in the middle of fixed station (2) top, fixed block (5) have been cup jointed in pole setting (4) outside slip, and fixed block (5) inside slip cup jointed horizontal pole (6), horizontal pole (6) are kept away from fixed block (5) one side and are provided with a pair of fixed plate (9), and rotate between a pair of fixed plate (9) and are connected with two sets of guide wheels (7), be provided with eddy current detection probe (8) between fixed plate (9), and eddy current detection probe (8) outside is connected with complex host computer (20) with it.

2. The online eddy current testing machine for the stainless steel water pipe according to claim 1, characterized in that: base (1) one end is provided with guide platform (10), and guide platform (10) top sliding connection has multiunit fixed column (19), guide platform (10) top is provided with multiunit and fixed column (19) complex mounting groove.

3. The online eddy current testing machine for the stainless steel water pipe according to claim 2, characterized in that: the top of the outer side of the fixing column (19) is rotatably connected with a transverse guide wheel (12), a bearing is connected between the transverse guide wheel (12) and the fixing column (19), a fixing rod (11) is arranged inside the fixing column (19), and a pull ring (13) is arranged at the top of the fixing rod (11).

4. The online eddy current testing machine for the stainless steel water pipe according to claim 1, characterized in that: one end, far away from the guide table (10), of the base (1) is provided with a guide plate (15), a plurality of groups of moving blocks (16) are connected inside the guide plate (15) in a sliding mode, and a plurality of groups of sliding grooves matched with the moving blocks (16) are formed inside the guide plate (15).

5. The online eddy current testing machine for the stainless steel water pipe according to claim 4, characterized in that: a fixed shaft (18) is arranged at one end, close to the eddy current detection probe (8), of the moving block (16), a vertical guide wheel (17) is rotatably connected to the outer side of the fixed shaft (18), and a bearing is connected between the vertical guide wheel (17) and the fixed shaft (18).

6. The online eddy current testing machine for the stainless steel water pipe according to claim 4, characterized in that: guide board (15) top is run through has carousel (14), and passes through threaded connection between carousel (14) and guide board (15).

7. The online eddy current testing machine for the stainless steel water pipe according to claim 1, characterized in that: and a fixing groove (3) matched with the upright rod (4) is arranged in the middle of the inside of the fixing block (5).