CN221007428U - Insulator defect nondestructive testing device based on ultrasonic guided wave technology - Google Patents
Insulator defect nondestructive testing device based on ultrasonic guided wave technology Download PDFInfo
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- CN221007428U CN221007428U CN202323096495.6U CN202323096495U CN221007428U CN 221007428 U CN221007428 U CN 221007428U CN 202323096495 U CN202323096495 U CN 202323096495U CN 221007428 U CN221007428 U CN 221007428U
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- 239000012212 insulator Substances 0.000 title claims abstract description 75
- 230000007547 defect Effects 0.000 title claims abstract description 22
- 238000009659 non-destructive testing Methods 0.000 title claims abstract description 18
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 239000000523 sample Substances 0.000 claims abstract description 29
- 238000013459 approach Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of insulator nondestructive testing, and discloses an insulator defect nondestructive testing device based on an ultrasonic guided wave technology, which comprises a movable frame body, wherein the movable frame body is sleeved on an insulator group; the side, close to the insulator group, of the movable frame body is provided with a movable auxiliary assembly, the movable frame body is provided with a detection assembly, and the detection assembly comprises two ultrasonic guided wave probes; two circular sliding rings are respectively fixed at the head end and the tail end of the movable frame body, sliding blocks are respectively connected to the two circular sliding rings in a sliding manner, the sliding blocks are detachably connected with the ultrasonic guided wave probe, and the sliding blocks and the ultrasonic guided wave probe slide along the circumferential direction of the circular sliding rings. The utility model can ensure that the detection personnel do not need to detect the insulator to be detected under the action of the handheld detection device, thereby improving the safety of the detection operation of the detection personnel to a certain extent; the ultrasonic guided wave probe can be guided to move through the circular sliding ring, so that the detection operation is more convenient and quicker.
Description
Technical Field
The utility model relates to the technical field of insulator nondestructive testing, in particular to an insulator defect nondestructive testing device based on an ultrasonic guided wave technology.
Background
The ceramic insulator is used as a part with huge consumption in the power grid, the quality of the ceramic insulator is related to the safe operation of the power grid, and the ceramic insulator is often corroded by the outside under the influence of weather, so that periodic defect nondestructive detection is required to be carried out on the insulator in the power grid.
The crack detection means for the basin-type insulator at the present stage mainly comprise vibration method detection, X-DR imaging detection, laser ultrasonic detection, ultrasonic guided wave detection and the like; the measurement result of the ultrasonic guided wave detection device is more accurate, but the existing ultrasonic guided wave detection device requires a worker to carry out flaw detection operation on the insulator by means of a handheld instrument, and the handheld instrument has high danger in flaw detection operation on the insulator under high-altitude operation, so that the insulator defect nondestructive detection device is needed to solve the problems in the prior art.
Disclosure of utility model
The utility model aims to provide an insulator defect nondestructive testing device based on an ultrasonic guided wave technology, so as to solve the problems of inconvenience in operation, high risk and the like in the prior art.
In order to achieve the above object, the present utility model provides the following solutions: the utility model provides an insulator defect nondestructive testing device based on an ultrasonic guided wave technology, which comprises a movable frame body, wherein the movable frame body is sleeved on an insulator group;
a movable auxiliary assembly is arranged on the side, close to the insulator group, of the movable frame body, and a detection assembly is arranged on the movable frame body and comprises two ultrasonic guided wave probes;
Two circular sliding rings are respectively fixed at the head end and the tail end of the movable frame body, sliding blocks are respectively connected to the circular sliding rings in a sliding mode, the sliding blocks are detachably connected with the ultrasonic guided wave probe, and the sliding blocks and the ultrasonic guided wave probe slide along the circumferential direction of the circular sliding rings.
Preferably, the movable frame body comprises two 匚 -shaped frames arranged on the same side and two closed frames arranged on the same side, the two 匚 -shaped frames and the two closed frames are oppositely matched and matched to form a frame body structure respectively, one end of each 匚 -shaped frame is hinged with the corresponding closed frame, and the other end of each 匚 -shaped frame is detachably connected with the corresponding closed frame through a locking piece;
A plurality of pairs of 匚 type frame connecting rods are fixedly connected between the two 匚 type frames, and a pair of sealing frame connecting rods are fixedly connected between the two sealing frames.
Preferably, the two 匚 -type frames are respectively fixed with a first arc-shaped ring on the side far away from the 匚 -type frame connecting rod, and the two closed frames are respectively fixed with a second arc-shaped ring on the side far away from the closed frame connecting rod; the first arc-shaped ring and the second arc-shaped ring which are positioned at the same end can be encircled to form the complete circular sliding ring.
Preferably, the detection assembly further comprises a data processor, wherein ultrasonic guided wave connecting wires are detachably connected to two sides of the data processor respectively, and the ultrasonic guided wave probes are fixed to the tail ends of the two ultrasonic guided wave connecting wires respectively.
Preferably, a bump is fixed on one side of the sliding block far away from the circular sliding ring, a threaded through hole is formed in the bump, a tightening rod is connected in the threaded through hole in a threaded mode, and the sliding block approaches or is far away from the insulator group through the tightening rod.
Preferably, the moving auxiliary assembly comprises a plurality of groups of moving auxiliary pieces, and the moving auxiliary pieces are respectively and fixedly connected on a pair of the closed frame connecting rods and each pair of 匚 type frame connecting rods;
The movable auxiliary piece comprises two movable brackets, the two movable brackets are respectively and fixedly connected to the two closed frame connecting rods and the two 匚 frame connecting rods, a plurality of movable wheels and two tensioning wheels are rotatably connected between the two movable brackets, the plurality of movable wheels and the two tensioning wheels are further coated with rubber belts, and the rubber belts are in contact with the insulator groups.
Preferably, the two sealing frame connecting rods are fixedly connected with display screens, and the display screens are connected with the data processor through display screen connecting wires.
The utility model discloses the following technical effects:
According to the utility model, the detection device can be hung on the insulator group to be detected through the movable frame body under the high-altitude operation, so that detection personnel do not need to detect the insulator to be detected under the action of holding the detection device, and the safety of the detection operation of the detection personnel is improved to a certain extent; the ultrasonic guided wave probe can be controlled through the circular sliding ring, so that the detection operation is more convenient and faster; the utility model can control the detection device to move through the moving auxiliary component, so that the detection personnel can smoothly move the device to any detected part, and the flaw detection operation of the detected insulator is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a diagram showing the connection relationship between a data processor and a display screen according to the present utility model;
FIG. 3 is a side cross-sectional view of a mobile auxiliary member of the present utility model;
FIG. 4 is a front elevational view in full section of the retaining member of the present utility model;
Wherein, 1, an insulator group; 2. a first arcuate ring; 3.匚 type frames; 4. a closing frame; 5. a closing frame connecting rod; 6.匚 rack connecting rods; 7. a movement aid; 8. a second arcuate ring; 9. a display screen; 10. a display screen connecting wire; 11. a data processor; 12. tightening the rod; 13. a sliding block; 14. an ultrasonic guided wave probe; 15. a locking member; 16. an ultrasonic guided wave connecting wire; 17. a movable support; 18. a moving wheel; 19. a tensioning wheel; 20. a rubber belt; 21. locking the box; 22. a movable groove; 23. a spring; 24. a button; 25. a connecting rod; 26. a locking pin; 27. and (5) locking buckles.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
Referring to fig. 1-4, the utility model discloses an insulator defect nondestructive testing device based on an ultrasonic guided wave technology, which comprises a movable frame body, wherein the movable frame body is sleeved on an insulator group 1;
the side of the movable frame body, which is close to the insulator group 1, is provided with a movable auxiliary component, and the movable frame body is provided with a detection component which comprises two ultrasonic guided wave probes 14;
Two circular sliding rings are respectively fixed at the head end and the tail end of the movable frame body, sliding blocks 13 are respectively connected to the two circular sliding rings in a sliding mode, the sliding blocks 13 are detachably connected with the ultrasonic guided wave probe 14, and the sliding blocks 13 and the ultrasonic guided wave probe 14 slide along the circumferential direction of the circular sliding rings.
Wherein the movement assisting component assists the detection device to slide on the insulator group 1; the circular slip ring assists the ultrasonic guided wave probe 14 to circumferentially detect the outer edge of the insulator, so that the detection operation is more convenient and quicker.
In addition, the working environment of insulator detection is considered, and the movable frame body is preferably made of non-conductive light materials in order to lighten the overall quality of the device.
The movable frame body comprises two 匚 -type frames 3 arranged on the same side and two closed frames 4 arranged on the same side, the two 匚 -type frames 3 and the two closed frames 4 are oppositely matched and matched to form a frame body structure respectively, one end of each 匚 -type frame 3 is hinged with the corresponding closed frame 4, and the other end of each 匚 -type frame 3 is detachably connected with the corresponding closed frame 4 through a locking piece 15;
A plurality of pairs of 匚 type frame connecting rods 6 are fixedly connected between the two 匚 type frames 3, and a pair of closed frame connecting rods 5 are fixedly connected between the two closed frames 4.
Specifically, the locking member 15 includes a locking box 21 and a locking buckle 27, the locking box 21 is fixed at the locking end of the 匚 type part, the locking box 21 is provided with an opening and a movable groove 22, the opening is communicated with the movable groove 22, a spring 23 is fixed in the movable groove 22, one end of the spring 23, which is far away from the movable groove 22, is fixed with a locking pin 26, a slope is fixed on the side, which is close to the opening of the locking box 21, of the locking pin 26, a connecting rod 25 is fixed on the side, which is far away from the opening of the locking box 21, of the connecting rod 25, and a button 24 is fixed on the side, which is far away from the locking pin 26; the locking end of the sealing part is fixed with a locking buckle 27, and the locking buckle 27 is provided with a clamping groove; when in locking, the locking pin 26 is an elastic piece, the locking pin 26 is inclined to enter the clamping groove of the locking buckle 27, and at the moment, the locking buckle 27 stretches into the opening of the locking box 21 and is clamped by the locking pin 26; when the locking piece 15 needs to be released, the button 24 is pressed, the button 24 presses the connecting rod 25, so that the connecting rod 25 presses the spring 23 and the elastic locking pin 26, at the moment, the slope of the locking pin 26 is pressed down, the locking buckle 27 is not clamped by the slope of the locking pin 26 any more, the locking buckle 27 can extend out of the locking box 21, and the locking piece 15 can be released.
The two 匚 -shaped frames 3 far from the 匚 -shaped frame connecting rod 6 are respectively fixed with a first arc-shaped ring 2, and the two closing frames 4 far from the closing frame connecting rod 5 are respectively fixed with a second arc-shaped ring 8; the first arc-shaped ring 2 and the second arc-shaped ring 8 positioned at the same end can be encircled to form a complete circular sliding ring. The connecting position error between the first arc-shaped ring 2 and the second arc-shaped ring 8 is not more than 5mm, so that the sliding block 13 can be better guided by surrounding the first arc-shaped ring and the second arc-shaped ring into a complete circular sliding ring.
The detection assembly further comprises a data processor 11, wherein ultrasonic guided wave connecting wires 16 are detachably connected to two sides of the data processor 11 respectively, and ultrasonic guided wave probes 14 are fixed to the tail ends of the two ultrasonic guided wave connecting wires 16 respectively.
Specifically, the ultrasonic guided wave probe 14 includes an ultrasonic guided wave transmitting sensor for generating a guided wave and an ultrasonic guided wave receiving sensor for receiving a returned guided wave, wherein the generated guided wave is a longitudinal wave; the ultrasonic guided wave receiving sensor transmits data into the data processor 11 through the ultrasonic guided wave connecting wire 16, and meanwhile, the data processor 11 also supplies power to the ultrasonic guided wave probe 14 through the ultrasonic guided wave connecting wire 16.
The data processor 11 has a self-powered power supply which has an excessively small influence on the cables in the insulator group 1 and can be ignored, so that the power supply cannot collide with the cables in the insulator group 1 when the detection work is performed.
A lug is fixed on one side of the sliding block 13 away from the circular sliding ring, a threaded through hole is formed in the lug, a tightening rod 12 is connected in the threaded through hole in a threaded mode, and the sliding block 13 approaches or departs from the insulator group 1 through the tightening rod 12.
The torsion bar 12 is provided with a twisting end, and an operator can twist the torsion bar 12 by twisting the end.
In addition, in order to save space and facilitate the sliding block 13 to slide smoothly on the circular sliding ring, the central shaft of the torsion bar 12 is provided with a through hole, so that the ultrasonic guided wave connecting wire 16 penetrates through the central shaft through hole of the torsion bar 12 and is connected with the ultrasonic guided wave probe 14; if other space or motion problems exist, a proper connection mode of the ultrasonic guided wave probe 14 and the ultrasonic guided wave connecting wire 16 can be selected according to practical situations.
The movable auxiliary assembly comprises a plurality of groups of movable auxiliary pieces 7, and the movable auxiliary pieces 7 are fixedly connected to the pair of closed frame connecting rods 5 and each pair of 匚 frame connecting rods 6 respectively;
The movable auxiliary piece 7 comprises two movable brackets 17, the two movable brackets 17 are respectively and fixedly connected to the two closed frame connecting rods 5 and the two 匚 frame connecting rods 6, a plurality of movable wheels 18 and two tensioning wheels 19 are rotatably connected between the two movable brackets 17, rubber belts 20 are further coated on the plurality of movable wheels 18 and the two tensioning wheels 19, and the rubber belts 20 are in contact with the insulator group 1.
Wherein, in order to prevent the slip between the movement aid 7 and the outer surface of the insulator group 1, the contact surface of the rubber belt 20 and the outer surface of the insulator group 1 may be provided as a rough surface.
The two sealing frame connecting rods 5 are fixedly connected with display screens 9, and the display screens 9 are connected with a data processor 11 through display screen connecting wires 10. At the same time, the data processor 11 also supplies power to the display 9 via the display connection line 10.
The display screen 9 may display the data or image changes displayed on each portion of the insulator to determine whether the insulator has a defect.
The working process comprises the following steps: the inspector arrives at the appointed place, then the two 匚 type frames 3 of the device are sleeved on the insulator group 1, the two closing frames 4 are rotated, and the locking buckles 27 are pushed into the locking box 21, so that the locking piece 15 is completely locked, and at the moment, the 匚 type frames 3 and the closing frames 4 form a closed frame body; the inspector can inspect the insulator group 1 at the moment; firstly, screwing the tightening rod 12 to enable the detection end of the ultrasonic guided wave probe 14 to be in contact with the outer edge of the insulator in the insulator group 1, observing data or image changes on the display screen 9, then manually pushing the sliding block 13 to enable the ultrasonic guided wave probe 14 to slide on a complete circular sliding ring formed by the first arc-shaped ring 2 and the second arc-shaped ring 8, enabling the ultrasonic guided wave probe 14 to completely detect all parts of the insulator and observing the data or image changes displayed by all parts of the insulator on the display screen 9 so as to judge whether the insulator has defects; after the insulator is detected, the whole device is manually pushed, the device can smoothly move on the insulator group 1 under the assistance of a plurality of moving auxiliary pieces 7, after the ultrasonic guided wave probe 14 can contact the outer edge of the next insulator, the moving device is stopped, the previous detection step of the ultrasonic guided wave probe 14 is repeated, and whether the next insulator has defects is judged; when the insulator group 1 detects the middle position or the insulator is not left much, the ultrasonic guided wave probe 14 at the other end of the device can be used for detecting the remaining insulator, so that the remaining insulator is conveniently detected, and all insulators in the insulator group 1 are ensured to be detected without omission; after all the insulator groups 1 are detected, the button 24 on the locking piece 15 is pressed, the locking buckle 27 is taken out from the locking box 21, the locking piece 15 can be loosened, then the two closing frames 4 are rotated, and the two 匚 type frames 3 are taken down from the insulator groups 1, so that the insulator groups 1 are detected.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (7)
1. An insulator defect nondestructive test device based on supersound guided wave technique, its characterized in that: the movable frame body is sleeved on the insulator group (1);
A movable auxiliary assembly is arranged on the side, close to the insulator group (1), of the movable frame body, and a detection assembly is arranged on the movable frame body and comprises two ultrasonic guided wave probes (14);
two circular sliding rings are respectively fixed at the head end and the tail end of the movable frame body, two sliding blocks (13) are respectively connected to the circular sliding rings in a sliding mode, the sliding blocks (13) are detachably connected with the ultrasonic guided wave probe (14), and the sliding blocks (13) and the ultrasonic guided wave probe (14) slide along the circumferential direction of the circular sliding rings.
2. The insulator defect nondestructive testing device based on the ultrasonic guided wave technology according to claim 1, wherein the insulator defect nondestructive testing device is characterized in that: the movable frame body comprises two 匚 type frames (3) arranged on the same side and two closed frames (4) arranged on the same side, the two 匚 type frames (3) and the two closed frames (4) are oppositely matched and matched to form a frame body structure respectively, one end of each 匚 type frame (3) is hinged with each closed frame (4), and the other end of each 匚 type frame (3) is detachably connected with each closed frame (4) through a locking piece (15);
a plurality of pairs of 匚 type frame connecting rods (6) are fixedly connected between the two 匚 type frames (3), and a pair of closed frame connecting rods (5) are fixedly connected between the two closed frames (4).
3. The insulator defect nondestructive testing device based on the ultrasonic guided wave technology as set forth in claim 2, wherein: the two 匚 -shaped frames (3) are respectively fixed with a first arc-shaped ring (2) at the side far away from the 匚 -shaped frame connecting rod (6), and the two closing frames (4) are respectively fixed with a second arc-shaped ring (8) at the side far away from the closing frame connecting rod (5); the first arc-shaped ring (2) and the second arc-shaped ring (8) which are positioned at the same end can be encircled to form a complete circular sliding ring.
4. The insulator defect nondestructive testing device based on the ultrasonic guided wave technology according to claim 3, wherein the insulator defect nondestructive testing device is characterized in that: the detection assembly further comprises a data processor (11), wherein ultrasonic guided wave connecting wires (16) are detachably connected to two sides of the data processor (11), and ultrasonic guided wave probes (14) are respectively fixed to the tail ends of the two ultrasonic guided wave connecting wires (16).
5. The insulator defect nondestructive testing device based on the ultrasonic guided wave technology, according to claim 4, is characterized in that: the sliding block (13) is far away from one side of the circular sliding ring and is fixedly provided with a protruding block, a threaded through hole is formed in the protruding block, a tightening rod (12) is connected in the threaded through hole in a threaded mode, and the sliding block (13) approaches or is far away from the insulator group (1) through the tightening rod (12).
6. The insulator defect nondestructive testing device based on the ultrasonic guided wave technology according to claim 3, wherein the insulator defect nondestructive testing device is characterized in that: the movable auxiliary assembly comprises a plurality of groups of movable auxiliary pieces (7), and the movable auxiliary pieces (7) are fixedly connected to the pair of closed frame connecting rods (5) and each pair of 匚 type frame connecting rods (6) respectively;
The movable auxiliary piece (7) comprises two movable brackets (17), the two movable brackets (17) are respectively and fixedly connected to the two closed frame connecting rods (5) and the two 匚 frame connecting rods (6), a plurality of movable wheels (18) and two tensioning wheels (19) are rotatably connected between the movable brackets (17), the plurality of movable wheels (18) and the two tensioning wheels (19) are further coated with rubber belts (20), and the rubber belts (20) are in contact with the insulator groups (1).
7. The insulator defect nondestructive testing device based on the ultrasonic guided wave technology, according to claim 4, is characterized in that: the two closed frame connecting rods (5) are fixedly connected with display screens (9), and the display screens (9) are connected with the data processor (11) through display screen connecting wires (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323096495.6U CN221007428U (en) | 2023-11-16 | 2023-11-16 | Insulator defect nondestructive testing device based on ultrasonic guided wave technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323096495.6U CN221007428U (en) | 2023-11-16 | 2023-11-16 | Insulator defect nondestructive testing device based on ultrasonic guided wave technology |
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| Publication Number | Publication Date |
|---|---|
| CN221007428U true CN221007428U (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323096495.6U Active CN221007428U (en) | 2023-11-16 | 2023-11-16 | Insulator defect nondestructive testing device based on ultrasonic guided wave technology |
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| Country | Link |
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| CN (1) | CN221007428U (en) |
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2023
- 2023-11-16 CN CN202323096495.6U patent/CN221007428U/en active Active
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