CN219369704U - Flaw detector for nuclear radiation bin - Google Patents

Abstract

The utility model discloses a flaw detection device of a nuclear radiation bin, which comprises conveying equipment, wherein two extension plates are integrally formed at the top of the conveying equipment, guide plates are fixedly connected to opposite sides of the two extension plates, hinge seats which are uniformly distributed are arranged on the conveying equipment, a movable groove is formed in one side, far away from the conveying equipment, of each hinge seat, an extension rod is hinged in the movable groove, and the top end of each extension rod penetrates through and extends to the outside of the movable groove. According to the utility model, the flaw detection equipment is transported through the plurality of groups of bearing seats, the bearing seats are limited by the guide plates, the bearing seats of the conveying flaw detection equipment are always in contact with the guide plates until conveying is completed, and the bearing seats are not influenced when the conveying equipment is in tremble and jerk, so that the stability of the flaw detection equipment is maintained, and the flaw detection result is ensured to be accurate and unaffected. In addition, the setting of contact sensor can trigger the fault detection equipment centering automatically, further improves stability.

Description

Flaw detector for nuclear radiation bin

Technical Field

The utility model relates to a flaw detection device for a nuclear radiation bin.

Background

Nuclear energy is one of the main energy sources accepted and accepted by the world wide society, has various advantages of safety, cleanliness, economy and the like, and is currently and generally strive for sustainable development of nuclear energy. When nuclear fuel is stored and used, the matched equipment is a closed container or equipment for radiation protection, the containers are isolated from the outside for shielding nuclear radiation, and a large closed structure, such as a large liquid tank, a radiation bin and the like, needs to be built.

After the long-term use of these containers, the condition of the inner wall needs to be observed regularly to confirm whether the hidden trouble exists in the containers. However, some of these enclosed spaces have a large structure, and some of them contain other harmful substances therein, so that the door cannot be opened on the wall of the bin to allow the person to enter. Even if a transparent window is formed in the bin wall, every position of the inner wall of the bin cannot be observed, and in addition, if a probe is installed on the inner wall, an observation dead angle still exists, so that the condition inside the bin body cannot be observed comprehensively. At present, although a simple device for fixing a flaw detection probe by using a telescopic rod is adopted to detect flaws on the inner wall of a container, part of the container is larger and deeper, and flaw detection equipment can shake after the telescopic rod is too long, so that the accuracy of flaw detection results is affected.

Disclosure of Invention

Aiming at the problems existing in the background technology, the utility model aims to provide a flaw detection device of a nuclear radiation bin.

In order to achieve the above purpose, the present utility model adopts the following technical scheme.

The utility model provides a nuclear radiation bin's flaw detection device, includes conveying equipment, conveying equipment's top integrated into one piece has two extension boards, two the equal fixedly connected with deflector in one side that the extension board is relative, install evenly distributed's articulated seat on the conveying equipment, articulated seat has been kept away from conveying equipment's one side and has been seted up the movable groove, the inside articulated extension pole that has of movable groove, the top of extension pole runs through and extends to the outside of movable groove, conveying equipment a week all is provided with the carrier, the extension pole is located the outside one end fixed connection of movable groove on the carrier, the top the carrier and deflector sliding connection, install the contact sensor on the carrier, the mounting groove that the equidistance was arranged is seted up to carrier one side, sliding connection has the floating frame on the inner wall of mounting groove, the last rotation of floating frame is connected with the guide roll, one side fixedly connected with magnetic plate of guide roll, fixed mounting has the electromagnetic plate on the inner wall of mounting groove, electromagnetic plate and magnetic plate contact and be connected with magnetic plate, carrier and the inside is equipped with the extension motor, the extension motor has the extension motor, the extension motor is connected with the inside limit screw assembly on the servo motor, the extension motor has the extension motor.

The guide groove is formed in the inner wall of the mounting groove, a guide strip is connected to the inside of the guide groove in a sliding mode, and the guide strip is fixedly connected to the floating frame.

The inner wall of the expansion groove is fixedly connected with a guide rod, and the limiting plate is in sliding connection with the stability of conveying of the guide rod flaw detection equipment.

One side of the bearing seat, which is close to the conveying equipment, is rotationally connected with guide wheels which are uniformly distributed, and the guide wheels at the top are contacted with the guide plates.

The pressure assembly comprises a pressing plate, a spring is fixedly connected to the pressing plate, the other end of the spring is fixedly connected to a limiting plate, a pressure sensor is fixedly installed on the limiting plate, and the pressure sensor is in signal connection with the single chip microcomputer.

Compared with the prior art, the utility model has the advantages that:

according to the utility model, the flaw detection equipment is transported through the plurality of groups of bearing seats, the bearing seats are limited by the guide plates, the bearing seats of the conveying flaw detection equipment are always in contact with the guide plates until conveying is completed, and the bearing seats are not influenced when the conveying equipment is in tremble and jerk, so that the stability of the flaw detection equipment is maintained, and the flaw detection result is ensured to be accurate and unaffected. In addition, the setting of contact sensor can trigger the fault detection equipment centering automatically, further improves stability.

Drawings

Fig. 1 is a schematic cross-sectional elevation view of the present utility model.

Fig. 2 is a schematic side view of a carrier of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

Fig. 5 is a schematic perspective view of a hinge base according to the present utility model.

Fig. 6 is a schematic diagram of the present utility model.

The reference numerals in the figures illustrate:

1. a conveying device; 2. an extension plate; 3. a guide plate; 4. a hinge base; 5. a movable groove; 6. an extension rod; 7. a bearing seat; 8. a contact sensor; 9. a mounting groove; 10. a floating frame; 11. a guide roller; 12. a magnetic plate; 13. an electromagnetic plate; 14. expanding the groove; 15. a servo motor; 16. a limiting plate; 17. a pressure assembly; 1701. a pressing plate; 1702. a spring; 1703. a pressure sensor; 18. a single chip microcomputer; 19. a guide groove; 20. a guide bar; 21. a guide rod; 22. and a guide wheel.

Detailed Description

Referring to fig. 1-6, the utility model relates to a flaw detection device of a nuclear radiation bin, comprising a conveying device 1, wherein two extension plates 2 are integrally formed at the top of the conveying device 1, guide plates 3 are fixedly connected to opposite sides of the two extension plates 2, hinge seats 4 which are uniformly distributed are arranged on the conveying device 1, a movable groove 5 is formed on one side of the hinge seat 4 far away from the conveying device 1, extension rods 6 are hinged in the movable groove 5, the top ends of the extension rods 6 penetrate through and extend to the outside of the movable groove 5, a bearing seat 7 is arranged on one circle of the conveying device 1, one end of the extension rods 6 positioned outside the movable groove 5 is fixedly connected to the bearing seat 7, the bearing seat 7 at the top is in sliding connection with the guide plates 3, a contact sensor 8 is arranged on the bearing seat 7, mounting grooves 9 which are equidistantly arranged are formed on one side of the bearing seat 7 far away from the conveying device 1, a floating frame 10 is connected to the inner wall of the mounting grooves 9 in a sliding manner, the floating frame 10 is rotationally connected with a guide roller 11, one side of the floating frame 10 far away from the guide roller 11 is fixedly connected with a magnetic plate 12, the inner wall of the installation groove 9 is fixedly provided with an electromagnetic plate 13, the electromagnetic plate 13 is in contact with the magnetic plate 12 and is magnetically connected with the same, the interior of the bearing seat 7 is provided with two expansion grooves 14, the inner wall of the expansion groove 14 is fixedly provided with a servo motor 15, the output shaft of the servo motor 15 is fixedly connected with a lead screw, the lead screw is in threaded connection with a limit plate 16, the limit plate 16 is in sliding connection with the inner wall of the expansion groove 14, the limit plate 16 penetrates and extends to the outer part of the expansion groove 14, the limit plate 16 is provided with a pressure component 17, the interior of the conveying equipment 1 is integrated with a singlechip 18, the contact sensor 8, the pressure component 17, the servo motor 15 and the electromagnetic plate 13 are in signal connection with the singlechip 18, the pressure component 17 comprises a pressing plate 1701, the pressing plate 1701 is fixedly connected with a spring 1702, the other end of the spring 1702 is fixedly connected to the limiting plate 16, the limiting plate 16 is fixedly provided with a pressure sensor 1703, and the pressure sensor 1703 is in signal connection with the singlechip 18.

The flaw detection equipment is stably transported through the plurality of groups of bearing seats 7, the bearing seats 7 are limited by the guide plates 3, the bearing seats 7 of the conveying flaw detection equipment are always in contact with the guide plates 3 until conveying is completed, the bearing seats 7 cannot be influenced when the conveying equipment 1 is in tremble and jerk, stable transportation of the flaw detection equipment is maintained, centering positioning of the flaw detection equipment can be automatically triggered through the arrangement of the contact sensor 8, and conveying stability of the flaw detection equipment is further improved.

The inner wall of the mounting groove 9 is provided with a guide groove 19, the inside of the guide groove 19 is connected with a guide strip 20 in a sliding way, and the guide strip 20 is fixedly connected to the floating frame 10. When the floating frame 10 moves, the guide strip 20 also slides in the guide groove 19, and the cooperation of the guide strip 20 and the guide groove 19 can limit the floating frame 10, so that the floating frame 10 is always positioned in the mounting groove 9 to stably move. The inner wall of the expansion groove 14 is fixedly connected with a guide rod 21, and the limiting plate 16 is slidably connected to the guide rod 21. The bearing seat 7 is connected with evenly distributed guide wheels 22 in a rotating way on one side close to the conveying equipment 1, and the guide wheels 22 at the top are contacted with the guide plate 3.

When the flaw detection equipment is required to be conveyed, the flaw detection equipment is placed at the top of the bearing seat 7, the contact sensor 8 at the top of the bearing seat 7 is triggered, the current of the electromagnetic plate 13 is controlled to be increased after the singlechip 18 receives signals, the current intensity of the electromagnetic plate 13 in the bearing seat 7 contacted with the flaw detection equipment is increased, the magnetic field which is the same as that of the magnetic plate 12 is generated, the floating frame 10 and the guide rollers 11 are synchronous upwards, the plurality of groups of guide rollers 11 jack up the flaw detection equipment, the singlechip 18 controls the servo motor 15 to work immediately, the servo motor 15 drives the screw rod fixedly connected with the servo motor to synchronously rotate after being electrified, the limiting plate 16 in threaded connection with the screw rod starts to slide in the expansion groove 14, the limiting plate 16 moves towards the flaw detection equipment until contacting, the pressing plate 1701 is subjected to pressure movement, the springs 1702 shrink and generate opposite acting force, the pressure sensor 1703 generates numerical change, the flaw detection device slides on the bearing plate 7, the guide roller 11 rotates along with the pressure sensor 1703 to reduce friction, when the two groups of limiting plates 16 are contacted with the flaw detection device and the pressure sensor 1703 generates the same numerical value, the singlechip 18 controls the servo motor 15 to reversely rotate the electromagnetic plate 13 to weaken current, at the moment, the flaw detection device is in a centering state, the conveying device 1 conveys the hinging seat 4 rightwards, the bearing plate 7 starts to slide on the guide plate 3 under the action of the extension plate 2, the bearing plate 7 of the conveying flaw detection device always contacts with the guide plate 3 until conveying is completed, and the bearing plate 7 is not influenced when tremble and bump of the conveying device 1 occur, so that stable conveying of the flaw detection device is maintained.

Claims (5)

1. Flaw detection device of nuclear radiation bin, its characterized in that: it includes conveying equipment (1), the top integrated into one piece of conveying equipment (1) has two extension boards (2), two the equal fixedly connected with deflector (3) in one side that extension board (2) are relative, install evenly distributed's articulated seat (4) on conveying equipment (1), articulated seat (4) are kept away from one side of conveying equipment (1) and have been seted up movable groove (5), the inside articulated of movable groove (5) has extension pole (6), the top of extension pole (6) runs through and extends to the outside of movable groove (5), conveying equipment (1) a week all is provided with carrier (7), the one end fixed connection that extension pole (6) are located the outside of movable groove (5) is on carrier (7), the top carrier (7) and deflector (3) sliding connection, install touch sensor (8) on carrier (7) one side of keeping away from conveying equipment (1) has been seted up and has been arranged mounting groove (9), on mounting groove (9) a week all is provided with carrier (10) on the inner wall (10), the floating frame (10) is kept away from on one side of floating roll (11), the utility model discloses a conveying device, including mounting groove (9), pressure sensor (8), pressure sensor (17), servo motor (15) and electromagnetic plate (13), fixed mounting has electromagnetic plate (13) on the inner wall of mounting groove (9), electromagnetic plate (13) and magnetic force board (12) contact and magnetism are connected, two expansion grooves (14) have been seted up to the inside of bearing seat (7), fixed mounting has servo motor (15) on the inner wall of expansion groove (14), fixedly connected with lead screw on the output shaft of servo motor (15), threaded connection has limiting plate (16) on the lead screw, limiting plate (16) and the inner wall sliding connection of expansion groove (14), limiting plate (16) run through and extend to the outside of expansion groove (14), be provided with pressure component (17) on limiting plate (16), the internal integration of conveying device (1) has singlechip (18), contact sensor (8), pressure component (17), servo motor (15) and electromagnetic plate (13) all are connected with singlechip (18) signal.

2. The nuclear radiation bin inspection apparatus of claim 1, wherein: the inner wall of the mounting groove (9) is provided with a guide groove (19), the inside of the guide groove (19) is connected with a guide strip (20) in a sliding mode, and the guide strip (20) is fixedly connected to the floating frame (10).

3. The nuclear radiation bin inspection apparatus of claim 1, wherein: the inner wall of the expansion groove (14) is fixedly connected with a guide rod (21), and the limiting plate (16) is slidably connected to the guide rod (21).

4. The nuclear radiation bin inspection apparatus of claim 1, wherein: one side of the bearing seat (7) close to the conveying equipment (1) is rotationally connected with guide wheels (22) which are uniformly distributed, and the guide wheels (22) at the top are contacted with the guide plate (3).

5. The nuclear radiation bin inspection apparatus of claim 1, wherein: the pressure assembly (17) comprises a pressing plate (1701), a spring (1702) is fixedly connected to the pressing plate (1701), the other end of the spring (1702) is fixedly connected to a limiting plate (16), a pressure sensor (1703) is fixedly installed on the limiting plate (16), and the pressure sensor (1703) is in signal connection with a single chip microcomputer (18).