CN116846084A - Rail-mounted inspection operation and maintenance device for transformer substation - Google Patents
Rail-mounted inspection operation and maintenance device for transformer substation Download PDFInfo
- Publication number
- CN116846084A CN116846084A CN202311124209.4A CN202311124209A CN116846084A CN 116846084 A CN116846084 A CN 116846084A CN 202311124209 A CN202311124209 A CN 202311124209A CN 116846084 A CN116846084 A CN 116846084A
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- China
- Prior art keywords
- transformer substation
- maintenance device
- track
- driving
- inspection operation
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- 238000007689 inspection Methods 0.000 title claims abstract description 49
- 238000012423 maintenance Methods 0.000 title claims abstract description 36
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
- F16M11/425—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels along guiding means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
Abstract
The invention belongs to the technical field of inspection devices, and particularly relates to a track type inspection operation and maintenance device for a transformer substation; the mounting rail is connected to a wall or other firmware objects through a mounting assembly; the mounting rail is connected with a driving assembly, and the driving assembly is used for driving the mounting rail to move along the mounting rail; the driving assembly is connected with a telescopic assembly, the telescopic assembly is rotationally connected with the control box through a connecting seat, two sides of the control box are rotationally connected with a monitoring box, and a touch panel is arranged on the control box; the mounting assembly is connected with the mounting rail through the lower connecting plate; the track type inspection operation and maintenance device for the transformer substation is reasonable in structure and convenient to use, effectively assists workers in inspecting transformer substation equipment, improves inspection efficiency and quality, and eliminates potential safety hazards of manual inspection.
Description
Technical Field
The invention belongs to the technical field of inspection devices, and particularly relates to a track type inspection operation and maintenance device for a transformer substation.
Background
The transformer substation is an important component in the power system and is responsible for converting high-voltage power transmitted to the city into low-voltage power suitable for the city, and the transformer substation plays a role in power conversion and plays important roles in monitoring, protecting and controlling the power system; the transformer station is composed of a plurality of devices and components, including a transformer, a circuit breaker, an isolating switch, a grounding switch, a capacitor, a reactor and the like; the devices work cooperatively to realize transformation, switching, protection and distribution of electric power; the transformer substation converts high-voltage power into low-voltage power suitable for urban use, and distributes the converted power to different users and loads to ensure the stability of power supply; the transformer substation is provided with a breaker, an isolating switch and other devices for protecting the power system from faults and overloads; the transformer substation monitors parameters such as voltage, current, frequency and the like in real time through monitoring equipment and a control system, and adjusts and controls the parameters according to the needs; the transformer substation equipment needs to be checked, cleaned and maintained regularly to ensure the normal operation of the transformer substation equipment, the transformer substation is high-voltage equipment, and operation and maintenance personnel must follow strict safety procedures, including wearing proper personal protective equipment, following operation rules, performing risk assessment and the like; when the power equipment, especially indoor power equipment, is patrolled and examined and maintained, the staff need to walk around each equipment and examine, wastes time and energy, simultaneously, because the indoor space is limited, has certain potential safety hazard when the staff examines, and some dead angles and details leak easily and examine, patrol and examine effect and quality and discount greatly, consequently, it is very necessary to provide a track type and patrol and examine the operation and maintenance device that can effectively assist the staff to carry out substation equipment and patrol and examine.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a track type inspection operation and maintenance device for a transformer substation, which effectively assists workers in inspecting transformer substation equipment, improves inspection efficiency and quality, and eliminates potential safety hazards of manual inspection.
The purpose of the invention is realized in the following way: a track type inspection operation and maintenance device for a transformer substation, which comprises a mounting track,
the mounting rail is connected with a driving assembly, and the driving assembly is used for driving the mounting rail to move along the mounting rail;
the driving assembly is connected with a telescopic assembly, the telescopic assembly is rotationally connected with the control box through a connecting seat, two sides of the control box are rotationally connected with a monitoring box, and a touch panel is arranged on the control box.
The track type inspection operation and maintenance device for the transformer substation further comprises a mounting assembly, and the mounting track is connected to a wall body or other firmware objects through the mounting assembly.
The mounting assembly comprises a connecting long rod, an upper connecting plate is detachably connected to the upper end of the connecting long rod, and a lower connecting plate is detachably connected to the lower end of the connecting long rod; the mounting assembly is connected with the mounting rail through the lower connecting plate.
The upper connecting plate and the lower connecting plate are fixedly connected with connecting sleeves, and two ends of the connecting long rod are connected with the upper connecting plate and the lower connecting plate through the connecting sleeves respectively.
The driving assembly comprises a driving box body, a second gear and an upper roller are rotatably arranged in the driving box body, a toothed plate is arranged at the bottom of the mounting track, and the second gear is meshed with the toothed plate; the second gear drives the driving box body to move along the mounting rail through rotation of the second gear, and the upper roller is used for propping against the mounting rail.
The inside first adjusting part and the second adjusting part that is provided with of drive box, first adjusting part is used for driving go up the gyro wheel reciprocates in order to support press in the upper surface of mounting track bottom flange, the second adjusting part is used for driving the second gear reciprocates in order to make it with the pinion rack meshing is connected.
The first adjusting component comprises a first shaft rod which is rotatably arranged in the driving box body, a first moving plate is connected to the first shaft rod in a threaded mode, and the upper roller is rotatably connected with the first moving plate.
The second adjusting component comprises a second shaft rod which is rotatably arranged in the driving box body, a second moving plate is connected to the second shaft rod through threads, a fourth shaft rod is connected between the two second moving plates, and a second gear is arranged on the fourth shaft rod.
The fourth shaft lever is provided with a limiting roller, and the bottom of the mounting rail is provided with a limiting guide plate which is embedded with the roller surface of the limiting roller.
The second movable plate is connected with a third motor, the third motor is connected with a third shaft lever, a first gear is arranged on the third shaft lever, and the first gear is meshed with the second gear.
The invention has the beneficial effects that: according to the track type inspection operation and maintenance device for the transformer substation, the mounting track is connected to a wall body or other firmware objects through the mounting assembly; the mounting rail is connected with a driving assembly, and the driving assembly drives the whole rail type inspection operation and maintenance device to move along the mounting rail so as to carry out inspection operation on all equipment of the transformer substation; the driving assembly is connected with a telescopic assembly, the telescopic assembly is rotationally connected with the control box through a connecting seat, the height of the control box is adjusted through the up-down expansion of the telescopic assembly so as to carry out inspection on different positions of the transformer substation equipment, and meanwhile, the transformer substation equipment in different directions can be inspected according to the needs through the rotation of the control box; the two sides of the control box are rotatably connected with the monitoring box, the control box is provided with a touch panel, the angle of the control box can be adjusted through the rotation of the monitoring box, the inspection range is further enlarged, and meanwhile, the track type inspection operation and maintenance device can be inquired and controlled through the touch panel; the track type inspection operation and maintenance device for the transformer substation is reasonable in structure and convenient to use, effectively assists workers in inspecting transformer substation equipment, improves inspection efficiency and quality, and eliminates potential safety hazards of manual inspection.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of a front view of a track type inspection operation and maintenance device for a transformer substation.
Fig. 2 is a schematic diagram of a side view of a track type inspection operation and maintenance device for a transformer substation.
Fig. 3 is a schematic structural diagram of connection of mounting components of the track type inspection operation and maintenance device for a transformer substation.
Fig. 4 is a schematic structural diagram of a driving assembly of a track type inspection operation and maintenance device for a transformer substation.
Fig. 5 is a schematic side view structure diagram of a connection of telescopic components of a track type inspection operation and maintenance device for a transformer substation.
Fig. 6 is a schematic top view structure diagram of a connection of telescopic components of a track type inspection operation and maintenance device for a transformer substation.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the embodiments of the present invention, all directional indicators (such as up-down-left-right-front-rear … …) are merely used to explain the relative positional relationship between the components, motion, etc. in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicators correspondingly change, and the connection may be a direct connection or an indirect connection.
As shown in fig. 1-6, the track type inspection operation and maintenance device for the transformer substation comprises a mounting track 2,
the mounting rail 2 is connected to a wall or other firmware through the mounting assembly 1;
the mounting rail 2 is connected with a driving component 3, and the driving component 3 is used for driving the mounting rail 2 to move;
the driving assembly 3 is connected with the telescopic assembly 4, the telescopic assembly 4 is rotationally connected with the control box 6 through the connecting seat 5, two sides of the control box 6 are rotationally connected with the monitoring box 7, and the control box 6 is provided with the touch panel 8.
For better effect, the mounting assembly 1 comprises an upper connecting plate 14 and a lower connecting plate 9, wherein the upper connecting plate 14 and the lower connecting plate 9 are connected with connecting sleeves 13, and a connecting long rod 12 is connected between the two connecting sleeves 13; the mounting assembly 1 is connected with the mounting rail 2 through the lower connecting plate 9; simple structure is reasonable, and is convenient for connect, is convenient for carry the construction of track 2.
For better effect, the top fixedly connected with connecting screw 11 of mount track 2, connecting screw 11's upper portion passes lower fishplate bar 9 and threaded connection have locking cap 10, realize being connected through the cooperation of the connecting screw 11 of the fixed setting on the mount track 2 and locking cap 10, convenient and fast.
For better effect, the driving assembly 3 comprises a driving box body 15, a second gear 30 and an upper roller 27 are rotatably arranged in the driving box body 15, a toothed plate 29 is arranged at the bottom of the mounting rail 2, and the second gear 30 is meshed with the toothed plate 29; the cross section of the mounting rail 2 is I-shaped, and the upper roller 27 is propped against the upper surface of the lower flange of the mounting rail 2; the driving component 3 can be driven to move along the mounting rail 2 through the engagement connection of the second gear 30 and the toothed plate 29, and meanwhile, the upper roller 27 is propped against the upper surface of the lower flange of the mounting rail 2, so that the stability of the driving component 3 in the moving process is ensured.
For better effect, a first adjusting component and a second adjusting component are arranged in the driving box 15, the first adjusting component is used for driving the upper roller 27 to move up and down to press against the upper surface of the lower flange of the mounting rail 2, and the second adjusting component is used for driving the second gear 30 to move up and down to be in meshed connection with the toothed plate 29; through the cooperation of first adjusting part and second adjusting part, can make second gear 30 and last gyro wheel 27 be connected with mounting track 2 from the automation of different directions, convenient and fast, adaptable different models's mounting track 2 simultaneously to dock with it fast.
For better effect, the first adjusting component comprises a first support plate 23, a second support plate 20 and a first motor 24 which are fixedly arranged on the side wall of the driving box body 15, a first shaft lever 21 is rotatably connected between the first support plate 23 and the second support plate 20, a first moving plate 22 is in threaded connection with the first shaft lever 21, and the upper roller 27 is rotatably connected with the first moving plate 22; the first motor 24 is connected with a first bevel gear 25, the first shaft lever 21 is connected with a second bevel gear 26, and the first bevel gear 25 is meshed with the second bevel gear 26; the first motor 24 can drive the first shaft lever 21 to rotate through the engagement of the first bevel gear 25 and the second bevel gear 26, and then drive the first moving plate 22 to drive the upper roller 27 to move up and down together, so that the device is stable and efficient.
In order to achieve a better effect, the second adjusting assembly comprises a third support plate 17 and a second motor 16 which are fixedly arranged on the side wall of the driving box body 15, a second shaft rod 19 is rotatably connected between the third support plate 17 and the second support plate 20, a second moving plate 18 is connected to the second shaft rod 19 in a threaded manner, a fourth shaft rod 31 is connected between the two second moving plates 18, and the second gear 30 is arranged on the fourth shaft rod 31; the second motor 16 is connected with a third bevel gear 32, the second shaft 19 is connected with a fourth bevel gear 33, and the third bevel gear 32 is meshed with the fourth bevel gear 33; the second motor 16 drives the second shaft rod 19 to rotate through the engagement of the third bevel gear 32 and the fourth bevel gear 33, and then drives the fourth shaft rod 31 to move up and down through the second moving plate 18, so that the second gear 30 is driven up and down.
For better effect, the bottom of the mounting rail 2 is provided with a limit guide plate 28, the fourth shaft lever 31 is provided with a limit roller 35, the roller surface of the limit roller 35 is in an inward concave arc shape, and the end part of the limit guide plate 28 is an arc surface matched with the inward concave roller surface of the limit roller 35; through the cooperation of spacing gyro wheel 35 and spacing baffle 28, can follow the left and right directions and carry out spacingly to drive assembly 3, guarantee its stability of removal.
For better effect, the second moving plate 18 is connected with a fourth support plate 38, the fourth support plate 38 is provided with a third motor 34, the third motor 34 is connected with a third shaft lever 37, the third shaft lever 37 is provided with a first gear 36, and the first gear 36 is meshed with the second gear 30; when the third motor 34 works, the first gear 36 can be driven to rotate through the third shaft rod 37, and then the second gear 30 is driven to rotate, so that the driving assembly 3 is driven to move along the mounting rail 2.
For better effect, the telescopic assembly 4 comprises an outer sleeve plate 39, the outer sleeve plate 39 is slidably connected with an inner sliding plate 42, and the end part of the inner sliding plate 42 is connected with the connecting seat 5; a fourth motor 41 is connected to the outer sleeve plate 39, the fourth motor 41 is connected to a third gear 40, and the third gear 40 is meshed with the side surface of the inner slide plate 42; the fourth motor 41 can drive the third gear 40 to rotate when working, and then the inner slide plate 42 is driven to move along the outer sleeve plate 39 through the engagement of the third gear 40 and the inner slide plate 42, so as to adjust the length of the telescopic assembly 4.
In summary, according to the track type inspection operation and maintenance device for the transformer substation, the mounting track 2 is connected to a wall body or other firmware objects through the mounting assembly 1; the mounting rail 2 is connected with a driving component 3, and the driving component 3 drives the whole rail type inspection operation and maintenance device to move along the mounting rail 2 so as to carry out inspection operation on all equipment of the transformer substation; the driving assembly 3 is connected with the telescopic assembly 4, the telescopic assembly 4 is rotationally connected with the control box 6 through the connecting seat 5, the height of the control box 6 is adjusted through the up-down expansion of the telescopic assembly 4 so as to carry out inspection on different positions of the transformer substation equipment, and meanwhile, the transformer substation equipment in different directions can be inspected according to the needs through the rotation of the control box 6; the two sides of the control box 6 are rotatably connected with a monitoring box 7, the control box 6 is provided with a touch panel 8, the angle of the control box can be adjusted through the rotation of the monitoring box 7, the inspection range is further enlarged, and meanwhile, the track type inspection operation and maintenance device can be inquired and controlled through the touch panel 8; the track type inspection operation and maintenance device for the transformer substation is reasonable in structure and convenient to use, effectively assists workers in inspecting transformer substation equipment, improves inspection efficiency and quality, and eliminates potential safety hazards of manual inspection.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (10)
1. The utility model provides a rail mounted operation and maintenance device is patrolled and examined for transformer substation, it is including mounting track (2), its characterized in that:
the mounting rail (2) is connected with a driving assembly (3), and the driving assembly (3) is used for driving the mounting rail (2) to move;
the driving assembly (3) is connected with the telescopic assembly (4), the telescopic assembly (4) is rotationally connected with the control box (6) through the connecting seat (5), the two sides of the control box (6) are rotationally connected with the monitoring box (7), and the control box (6) is provided with the touch panel (8).
2. A track-type inspection operation and maintenance device for a transformer substation as set forth in claim 1, wherein: the track type inspection operation and maintenance device for the transformer substation further comprises a mounting assembly (1), and the mounting track (2) is connected to a wall body or other firmware objects through the mounting assembly (1).
3. A track-type inspection operation and maintenance device for a transformer substation as set forth in claim 2, wherein: the mounting assembly (1) comprises a connecting long rod (12), an upper connecting plate (14) is detachably connected to the upper end of the connecting long rod (12), and a lower connecting plate (9) is detachably connected to the lower end of the connecting long rod (12); the mounting assembly (1) is connected with the mounting rail (2) through the lower connecting plate (9).
4. A track-type inspection operation and maintenance device for a transformer substation as set forth in claim 3, wherein: the upper connecting plate (14) and the lower connecting plate (9) are fixedly connected with connecting sleeves (13), and two ends of the connecting long rod (12) are respectively connected with the upper connecting plate (14) and the lower connecting plate (9) through the connecting sleeves (13).
5. A track-type inspection operation and maintenance device for a transformer substation as set forth in claim 1, wherein: the driving assembly (3) comprises a driving box body (15), a second gear (30) and an upper roller (27) are rotatably arranged in the driving box body (15), a toothed plate (29) is arranged at the bottom of the mounting rail (2), and the second gear (30) is meshed with the toothed plate (29); the second gear (30) drives the driving box body (15) to move along the mounting rail (2) through rotation of the second gear, and the upper roller (27) is used for being pressed on the mounting rail (2).
6. The track type inspection operation and maintenance device for a transformer substation as set forth in claim 5, wherein: the driving box body (15) is internally provided with a first adjusting component and a second adjusting component, the first adjusting component is used for driving the upper roller (27) to move up and down to be propped against the upper surface of the lower flange of the mounting rail (2), and the second adjusting component is used for driving the second gear (30) to move up and down to be meshed and connected with the toothed plate (29).
7. The track-type inspection operation and maintenance device for a transformer substation as set forth in claim 6, wherein: the first adjusting component comprises a first shaft rod (21) which is rotatably arranged in the driving box body (15), a first moving plate (22) is connected to the first shaft rod (21) in a threaded mode, and the upper roller (27) is rotatably connected with the first moving plate (22).
8. The track-type inspection operation and maintenance device for a transformer substation as set forth in claim 6, wherein: the second adjusting component comprises a second shaft rod (19) which is rotatably arranged in the driving box body (15), a second moving plate (18) is connected to the second shaft rod (19) in a threaded mode, a fourth shaft rod (31) is connected between the two second moving plates (18), and a second gear (30) is arranged on the fourth shaft rod (31).
9. The track-type inspection operation and maintenance device for a transformer substation as set forth in claim 7, wherein: the fourth shaft lever (31) is provided with a limiting roller (35), and the bottom of the mounting rail (2) is provided with a limiting guide plate (28) which is embedded with the roller surface of the limiting roller (35).
10. The track-type inspection operation and maintenance device for a transformer substation as set forth in claim 6, wherein: the second movable plate (18) is connected with a third motor (34), the third motor (34) is connected with a third shaft lever (37), a first gear (36) is arranged on the third shaft lever (37), and the first gear (36) is meshed with the second gear (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311124209.4A CN116846084A (en) | 2023-09-01 | 2023-09-01 | Rail-mounted inspection operation and maintenance device for transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311124209.4A CN116846084A (en) | 2023-09-01 | 2023-09-01 | Rail-mounted inspection operation and maintenance device for transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116846084A true CN116846084A (en) | 2023-10-03 |
Family
ID=88171096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311124209.4A Pending CN116846084A (en) | 2023-09-01 | 2023-09-01 | Rail-mounted inspection operation and maintenance device for transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116846084A (en) |
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| CN218409434U (en) * | 2022-08-16 | 2023-01-31 | 云南电网有限责任公司玉溪供电局 | Transformer substation remote monitoring device for positioning fault position of electric field system |
| CN115816419A (en) * | 2022-11-29 | 2023-03-21 | 中煤科工集团重庆研究院有限公司 | Mining rail mounted patrols and examines robot and climbing mechanism thereof |
| CN115837680A (en) * | 2023-02-28 | 2023-03-24 | 山东科华电力技术有限公司 | Cable channel hangs rail formula intelligence and patrols and examines robot based on buffering shock attenuation principle |
| CN116435941A (en) * | 2023-03-22 | 2023-07-14 | 国网河南省电力公司唐河县供电公司 | Overhead line split conductor defroster |
| CN116423532A (en) * | 2023-04-11 | 2023-07-14 | 安吉思防爆技术（苏州）有限公司 | Explosion-proof type track inspection robot |
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