CN220582190U - Flaw detection device for power transmission line - Google Patents
Flaw detection device for power transmission line Download PDFInfo
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- CN220582190U CN220582190U CN202322303537.2U CN202322303537U CN220582190U CN 220582190 U CN220582190 U CN 220582190U CN 202322303537 U CN202322303537 U CN 202322303537U CN 220582190 U CN220582190 U CN 220582190U
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- frame
- transmission line
- movable frame
- line inspection
- walking
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 238000001514 detection method Methods 0.000 title claims abstract description 14
- 238000003384 imaging method Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 230000007306 turnover Effects 0.000 claims abstract description 6
- 238000007689 inspection Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 208000019155 Radiation injury Diseases 0.000 abstract description 3
- 206010063659 Aversion Diseases 0.000 abstract description 2
- 230000017105 transposition Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 2
- 239000004020 conductor Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009659 non-destructive testing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The utility model relates to a flaw detection device for a power transmission line, which comprises a fixing frame, wherein a walking roller with power is arranged at the upper part of the fixing frame; the movable frame is matched with the fixed frame in a linear movement way through a lifting mechanism; the rotating frame is rotationally connected to the upper part of the movable frame through a turnover device; the X-ray flaw detection equipment comprises an X-ray machine and a receiving imaging bottom plate, wherein the receiving imaging bottom plate is arranged on the rotating frame, and the X-ray machine is arranged at the lower part of the movable frame; adopt the walking gyro wheel that can crawl, possess along the line and crawl and cross the barrier function, accessible wheel crawl, cross the route barrier and reach appointed place, need not unmanned aerial vehicle delivery, alleviate unmanned aerial vehicle burden, improve unmanned aerial vehicle duration. Utilize long-range ground remote controller control support, control combination frock lift, upset and walking realize accurate aversion, high-efficient transposition detects, reduces unmanned aerial vehicle and controls the degree of difficulty, and remote control has also reduced the radiation injury risk simultaneously.
Description
Technical Field
The utility model relates to a flaw detection device for a power transmission line, and belongs to the technical field of nondestructive testing of power transmission lines.
Background
The overhead transmission line is easy to crack, deform, ablate, corrode and other failure problems at the line body and key connection parts, so that the line has great hidden trouble in safe operation. In order to eliminate accident hidden trouble at the overhead transmission line body and the key connection part, manual tower climbing is mainly relied on at present to carry out overhead operation, so that high falling risk exists, and operators need to frequently go up and down the tower to avoid radiation injury, so that the detection efficiency is low.
The unmanned aerial vehicle and ray detection technology is used as an important nondestructive detection means, has the advantages of high efficiency, convenience, unmanned safety risk and the like, and starts to serve as an alternative means for manual tower climbing operation, and the unmanned aerial vehicle and ray detection technology needs to rely on connecting parts such as a structural support and the like, so that the function of the structural support is more obvious.
At present, most of researches on the structural support are fixed structural supports. For example, patent application number 202022300458.2 discloses an X-ray three-dimensional nondestructive testing device mounted on an unmanned aerial vehicle, wherein the patent connection frame is a C-shaped fixed frame and is only suitable for single split conductors, and compression fitting of sub-conductors under double split conductors cannot be detected; for example, patent application No. 202022192165.7 discloses an X-ray nondestructive testing device mounted on an unmanned aerial vehicle, and the patent connection frame is a three-sided fixed frame, cannot adjust the length, is difficult to detect strain clamp isopiestic splicing fitting of sub-wires under double split wires, and is more difficult to detect crimping fitting of multiple split wires.
Therefore, development is applicable to the structure support that many split conductors of multiloop strain clamp detected imperatively, and simultaneously, the unmanned aerial vehicle that adopts at present drives the fault detection device and walks along transmission line for unmanned aerial vehicle burden is great for unmanned aerial vehicle duration is lower.
Disclosure of Invention
The utility model aims to provide a flaw detection device for a power transmission line, which aims to solve the problems in the background technology.
The technical scheme of the utility model is as follows:
a transmission line inspection device, comprising:
the upper part of the fixed frame is provided with a self-powered walking roller;
the movable frame is matched with the fixed frame in a linear movement manner through a lifting mechanism;
the rotating frame is rotationally connected to the upper part of the movable frame through a turnover device;
the X-ray flaw detection device comprises an X-ray machine and a receiving imaging bottom plate, wherein the receiving imaging bottom plate is arranged on the rotating frame, and the X-ray machine is arranged at the lower part of the movable frame.
Preferably, the fixed frame and/or the movable frame are spliced by hollow rods.
Preferably, the rotating frame comprises a drawer frame with one side open, a rotating rod is arranged on the drawer frame near the opening, an elastic piece and a clamping hook are arranged on the rotating rod, the elastic force of the elastic piece drives the clamping hook to tend to move to close the opening of the drawer frame, and the imaging receiving bottom plate is in insertion fit with the drawer frame.
Preferably, the walking rollers are provided with more than two groups; the walking roller comprises a roller body and a power device for driving the roller body to rotate.
Preferably, a guiding part is arranged on the fixing frame and used for guiding the power transmission line to the roller body.
Preferably, the guide part is of a V-shaped structure with a downward opening, and the lower outline of the roller body is lower than the middle outline of the guide part.
Preferably, the top of mount is provided with a plurality of crossbeams that set up side by side, install the couple frame on the crossbeam.
Preferably, the movable frame is arranged in the fixed frame, and the up-and-down movement limit of the movable frame is limited by the fixed frame; and a protective cover is arranged outside the X-ray machine.
Preferably, the lifting mechanism comprises a winch and a pulley, and the winch is arranged on the fixed frame and connected with the movable frame through a traction wire; the pulley is arranged on the movable frame and is in rolling fit with the fixed frame.
Preferably, the fixing frame comprises a round rod, and the circumferential surface of the pulley is matched with the shape of the round rod; the number of the round rods is more than two; each round bar is provided with more than three groups of pulleys matched with the round bar, and the more than three groups of pulleys are distributed on two opposite sides of the round bar.
The utility model has the following beneficial effects:
the telescopic lifting mechanism is adopted, so that the ray machine can be moved to a proper transillumination position by remote control, and the strain clamp isopiestic splicing fitting on the lower sub-wires of the double split wires and other multi-split wires can be conveniently detected.
The rotary frame capable of being adjusted in a turning mode is adopted, the imaging bottom plate is carried and received, the imaging bottom plate is received to be vertical through turning, the sub-lead strain clamp under the four-split lead is convenient to detect, and the detection range is enlarged.
The crawling walking roller is adopted, has the functions of crawling along the line and crossing the obstacle, and can crawl through the wheels to accurately reach the appointed place over the obstacle of the line.
Utilize long-range ground remote controller control support, control combination frock lift, upset and walking realize accurate aversion, high-efficient transposition detects, reduces unmanned aerial vehicle and controls the degree of difficulty, and remote control has also reduced the radiation injury risk simultaneously.
Drawings
FIG. 1 is a schematic view of a first view angle structure according to the present utility model;
FIG. 2 is a schematic view of the structure of the fixing frame and the matching parts thereof;
FIG. 3 is a schematic view of the structure of the movable frame and the matching parts thereof;
FIG. 4 is a schematic view of a rotating frame according to the present utility model;
FIG. 5 is a schematic view of a walking roller structure according to the present utility model;
FIG. 6 is a side view of the running roller of the present utility model;
FIG. 7 is a schematic view of a second view angle structure according to the present utility model;
fig. 8 is a schematic view of a third view structure according to the present utility model.
The reference numerals in the drawings are as follows:
1. a fixing frame; 11. a guide part; 12. a cross beam; 13. a hook rack; 101. a round bar; 2. a walking roller; 21. a motor; 22. a roller body; 23. driven teeth; 3. a movable frame; 41. a hoist; 42. a pulley; 51. an X-ray machine; 52. receiving an imaging backplane; 53. a turnover device; 54. a probe; 6. a rotating frame; 61. a drawer frame; 62. a rotating rod; 63. a clamping hook; 7. and a protective cover.
Detailed Description
The utility model will now be described in detail with reference to the drawings and to specific embodiments.
Examples: as shown in fig. 1-8:
the radiographic inspection apparatus includes an X-ray machine 51, a receiving imaging floor 52.
The fixed frame 1 is formed by splicing hollow rods, wherein two hollow rods are parallel to each other and are vertically arranged to form a round rod 101; the windlass 41 is arranged on a cross beam 12 (hollow structure) at the top of the fixed frame 1, a plurality of cross beams 12 are matched for installing the windlass 41, a power supply and other parts, the cross beam 12 is fixedly provided with two hook frames 13 upwards, and the device is hung on the unmanned aerial vehicle through the hook frames 13;
the movable frame 3 is spliced by hollow rods to form a lower weight; the roller shaft of the winch 41 is connected with a traction rope, the other end of the traction rope is connected with the movable frame 3, and the winch 41 acts to wind or release the traction rope, so that the traction movable frame 3 can be driven to ascend in a straight line relative to the fixed frame 1 or descend by means of dead weight. In this process, the pulley 42 plays a guiding role with respect to the linear rolling on the round bar 101.
The upper part of the movable frame 3 is provided with a turnover device 53 and a rotary frame 6, and the turnover device 53 is used for driving the rotary frame 6 to rotate relative to the movable frame 3; the receiving imaging bottom plate 52 is arranged in the rotating frame 6, the X-ray machine 51 and the probe 54 are arranged at the lower part of the movable frame 3, the outer side of the X-ray machine 51 is sleeved with a protective cover 7, and one side of the protective cover 7 facing the rotating frame 6 is provided with a through hole; and the X-ray machine 51 and the receiving imaging floor 52 are both located below the hoist 41;
the upper part of the left side of the fixed frame 1 is provided with a mounting plate with a hollow structure, and the mounting plate is provided with a walking roller 2; the upper part of the right side of the fixing frame 1 is provided with a mounting plate with a hollow structure, and the mounting plate is provided with a walking roller 2; the X-ray machine 51 is relatively heavy, which is advantageous in that the center of gravity of the whole mechanism is located below the two sets of running rollers 2.
The lower part of the mounting plate at the upper left part of the fixing frame 1 forms a guide part 11 with a V-shaped structure with a downward opening, the lower part of the mounting plate at the upper right part of the fixing frame 1 forms a guide part 11 with a V-shaped structure with a downward opening, and the two groups of guide parts 11 are oppositely positioned between the inner sides of the two groups of walking rollers 2. Thereby guiding the electric power transmission line to the traveling roller 2 having a smaller body size through the guide 11 having a larger body size. When the traveling roller 2 is hung above the power transmission line, the power transmission line and the guide portion 11 are not in contact with each other.
As shown in fig. 5, the running roller 2 includes a motor 21, a driving tooth (not labeled in the drawing), a roller body 22 and a driven tooth 23, the driving tooth and the driven tooth 23 are meshed to form a gear transmission group (a reduction gear set), the driving tooth is installed at the output end of the motor 21, and the driven tooth 23 is installed on the side wall of the coaxial roller body 22, so that the motor drives the roller body 22 to rotate through the cooperation of the driving tooth and the driven tooth 23. The roller body 22 adopts a V-shaped roller to facilitate rolling on power transmission lines with different outer diameters.
As shown in fig. 6, the V-shaped profile of the roller body 22 is smaller than the V-shaped profile of the guide portion 11, and the V-shaped profile of the roller body 22 is aligned with the V-shaped profile symmetry line of the guide portion 11, so that the power transmission line is guided to the roller body 22 having a smaller body size by the guide portion 11 having a larger body size. When the roller body 22 is hung relatively above the transmission line, there is no contact between the transmission line and the guide 11.
The pulleys 42 are rotatably connected to the movable frame 3, four groups of pulleys 42 are arranged on the left side and the right side of the upper part of the movable frame 3, the concave outer circumferential surface of each pulley 42 is matched with the shape of the round rod 101, and the pulleys 42 are in linear rolling fit on the round rod 101; the four sets of pulleys 42 are distributed on two opposite sides of the corresponding round rod 101 in pairs, so that the pulleys 42 are always abutted against the round rod 101, and the round rod 101 is limited through the four sets of pulleys 42 under the condition of small contact area.
The rolling fit of the pulley 42 and the round rod 101 is lower in friction force and simpler in structure, so that stability is higher, and the resistance of the sliding block slide rail is easy to be increased due to the fact that small particles enter the sliding block slide rail when the sliding block slide rail is used in an external environment. And even if the pulley 42 cannot rotate due to small particles entering, the contact area of the pulley 42 and the round bar 101 is small, so that the influence on the whole resistance is small.
As shown in fig. 4, the rotating frame 6 includes a drawer frame 61, a rotating rod 62 and a hook 63, an opening at one side of the drawer frame 61 is provided with a structure similar to a shape like , the imaging receiving bottom plate 52 is inserted into the drawer frame 61 in a linear sliding manner through the opening of the drawer frame 61, the rotating rod 62 is fixed on the drawer frame 61 and is located near the opening position of the imaging receiving bottom plate, the plurality of hooks 63 are rotatably connected to the outer wall of the rotating rod 62, an elastic member (not shown in the drawing) is connected between the hook 63 and the rotating rod 62, and the elastic force of the elastic member drives the hook 63 to rotate, so that the hook end of the hook 63 rotates to the opening of the drawer frame 61 under normal state, and at this time, the hook end of the hook 63 is used for blocking the imaging receiving bottom plate 52 from separating from the opening of the drawer frame 61. The catch 63 is manually operable such that its barbed end rotates away from the opening of the drawer housing 61, at which point the imaging chassis 52 is operatively received in and out of the drawer housing 61.
The movable frame 3 is oppositely arranged at the inner side of the fixed frame 1, so that the upper limit and the lower limit of the movable frame 3 are limited by the top wall and the lower wall of the fixed frame 1.
In the process of walking on the transmission line, the roller body 22 photographs/records the transmission line through the probe 54, so as to realize appearance inspection of the inspected part of the transmission line and provide accurate positioning basis for horizontal movement and vertical lifting.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A transmission line inspection device, comprising:
the walking device comprises a fixing frame (1), wherein a walking roller (2) with power is arranged on the upper part of the fixing frame (1);
the movable frame (3) is matched with the fixed frame (1) in a linear movement manner through a lifting mechanism;
the rotating frame (6) is rotationally connected to the upper part of the movable frame (3) through a turnover device (53);
the X-ray flaw detection device comprises an X-ray machine (51) and a receiving imaging bottom plate (52), wherein the receiving imaging bottom plate (52) is installed on the rotary frame (6), and the X-ray machine (51) is installed at the lower part of the movable frame (3).
2. A transmission line inspection apparatus according to claim 1, wherein: the fixed frame (1) and/or the movable frame (3) are spliced by hollow rods.
3. A transmission line inspection apparatus according to claim 1, wherein: the rotary frame (6) comprises a drawer frame (61) with one side being opened, a rotary rod (62) is arranged on the drawer frame (61) close to the opening, an elastic piece and a clamping hook (63) are arranged on the rotary rod (62), the elastic force of the elastic piece drives the clamping hook (63) to tend to move to close the opening of the drawer frame (61), and the imaging bottom plate (52) is received to be assembled with the drawer frame (61) in a plugging mode.
4. A transmission line inspection apparatus according to claim 1, wherein: more than two groups of walking rollers (2) are arranged; the walking roller (2) comprises a roller body (22) and a power device for driving the roller body (22) to rotate.
5. The transmission line inspection device according to claim 4, wherein: the fixing frame (1) is provided with a guide part (11), and the guide part (11) is used for guiding the power transmission line to the roller body (22).
6. The transmission line inspection device according to claim 5, wherein: the guide part (11) is of a V-shaped structure with a downward opening, and the lower outline of the roller body (22) is lower than the middle outline of the guide part (11).
7. A transmission line inspection apparatus according to claim 1, wherein: the top of mount (1) is provided with a plurality of crossbeams (12) that set up side by side, install on crossbeam (12) and hang hook frame (32).
8. A transmission line inspection apparatus according to claim 1, wherein: the movable frame (3) is arranged in the fixed frame (1), and the up-and-down movement limit of the movable frame (3) is limited by the fixed frame (1); a protective cover (7) is arranged outside the X-ray machine (51).
9. A transmission line inspection apparatus according to claim 1, wherein: the lifting mechanism comprises a winch (41) and a pulley (42), wherein the winch (41) is arranged on the fixed frame (1) and is connected with the movable frame (3) through a traction wire; the pulley (42) is arranged on the movable frame (3) and is in rolling fit with the fixed frame (1).
10. The transmission line inspection device according to claim 9, wherein: the fixing frame (1) comprises a round rod (101), and the circumferential surface of the pulley (42) is matched with the shape of the round rod (101); more than two round rods (101) are arranged; the pulleys (42) matched with each round bar (101) are provided with more than three groups, and the more than three groups of pulleys (42) are distributed on two opposite sides of the round bar (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303537.2U CN220582190U (en) | 2023-08-26 | 2023-08-26 | Flaw detection device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322303537.2U CN220582190U (en) | 2023-08-26 | 2023-08-26 | Flaw detection device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220582190U true CN220582190U (en) | 2024-03-12 |
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ID=90111790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322303537.2U Active CN220582190U (en) | 2023-08-26 | 2023-08-26 | Flaw detection device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220582190U (en) |
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2023
- 2023-08-26 CN CN202322303537.2U patent/CN220582190U/en active Active
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