CN113346405A - Power cable overhauls device - Google Patents
Power cable overhauls device Download PDFInfo
- Publication number
- CN113346405A CN113346405A CN202110571098.6A CN202110571098A CN113346405A CN 113346405 A CN113346405 A CN 113346405A CN 202110571098 A CN202110571098 A CN 202110571098A CN 113346405 A CN113346405 A CN 113346405A
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- wall
- fixedly connected
- rope
- power cable
- loose axle
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- 238000012423 maintenance Methods 0.000 claims abstract description 25
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 34
- 230000005611 electricity Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010016173 Fall Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Electric Cable Installation (AREA)
Abstract
The invention belongs to the technical field of maintenance equipment, in particular to a power cable maintenance device, aiming at the traditional rope fixing anti-falling mode, when the rope is bolted and collected, the steps are complicated, and the quick maintenance work of personnel is not facilitated. The invention utilizes two clamping rings which rotate around the same rotating shaft, and controls the opening and closing angle between the two clamping rings by the driving of an external adjusting motor, thereby completing the fixation of the device and the outer wall of the power transmission pole, reducing the danger of maintainers during high-altitude operation on the power transmission pole, avoiding the problems of bolt connection and complex collection of the traditional rope fixation and improving the overall maintenance efficiency of the staff.
Description
Technical Field
The invention relates to the technical field of maintenance equipment, in particular to a power cable maintenance device.
Background
The power cable is a cable product used for transmitting and distributing high-power electric energy in a main line of a power system, comprises various voltage grades of 1-500KV and above, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater.
The common transmission mode of the power cable on the ground is to adopt a transmission pole or a transmission tower for long-distance transmission, and the transmission pole is exposed outdoors for a long time and is easily damaged by the influence of the external environment, so that the short circuit and the open circuit occur, and therefore, the power cable needs to be frequently overhauled by personnel.
Present maintenance process is that the personnel use the climbing shoes to climb up the top of transmission of electricity pole and operate, because the safeguard measure that is unnecessary, has the landing risk of falling down when the top operation of transmission of electricity pole, adopts traditional rope fixed, when the bolt of rope with collect, the step is loaded down with trivial details, is unfavorable for personnel's quick maintenance work.
Disclosure of Invention
Based on the traditional rope fixing anti-falling mode, when the rope is bolted and collected, the steps are complex, and quick overhaul work of personnel is not facilitated.
The invention provides a power cable maintenance device which comprises two clamping rings, wherein one outer wall of one clamping ring is fixedly connected with a sleeve shaft, the outer wall of one side of the other clamping ring is fixedly connected with a movable shaft, the inner walls of the upper side and the lower side of the movable shaft are respectively provided with a sliding groove, the sleeve shaft is movably connected with the movable shaft, the inner wall of the sleeve shaft is fixedly connected with a motor, the output end of the motor is connected with a toothed bar through a coupler, the other end of the toothed bar is movably connected with the outer wall of the bottom of the sleeve shaft, the inner wall of the movable shaft is provided with a toothed hole, the toothed bar is inserted into the movable shaft, and a toothed groove in the outer wall of the toothed bar is meshed with the toothed hole.
Preferably, a machine sleeve is sleeved outside the motor, and the machine sleeve is fixedly connected with the outer wall of the top of the sleeve shaft.
Preferably, the outer wall of the machine sleeve is rotatably connected with a machine cover through a hinge, a rectangular groove is formed in the machine sleeve, a switch is arranged on the inner wall of the rectangular groove, and the switch is connected with the motor through a wire.
Preferably, two a plurality of rectangular channels have all been seted up to one side inner wall of clamp ring, and the spout has all been seted up to the upper and lower both sides inner wall of rectangular channel, and the inner wall swing joint of rectangular channel has the briquetting.
Preferably, one side outer wall of the pressing block is fixedly connected with a spring, the other end of the spring is fixedly connected with the inner wall of the rectangular groove of the clamping ring, the other side outer wall of the pressing block is provided with a plurality of folding line anti-skidding blocks, and the outer wall of each folding line anti-skidding block is provided with a plurality of rubber bulges.
Preferably, two all seted up the ring channel on the clamp ring, the inner wall fixedly connected with base of ring channel, and one side outer wall fixedly connected with slipmat of base.
Preferably, a lifting handle is fixedly connected to the upper outer wall of one of the clamping rings.
Preferably, the outer wall fixedly connected with rope case of loose axle, the inner wall fixedly connected with receipts rope box of rope case, the top of receiving the rope box is provided with the auto-lock ware, fixed connection between the inner wall of auto-lock ware and rope case, and the inside of receiving the rope box is provided with the safety rope, and the other end of safety rope passes auto-lock ware and rope case respectively.
Preferably, the outer wall of one side of the other clamping ring is provided with a groove, the inner wall of the groove is fixedly connected with a side plate, and the outer wall of the side plate is fixedly connected with a plurality of hooks.
The beneficial effects of the invention are as follows:
1. according to the invention, through the arranged clamping rings, the sleeve shaft, the movable shaft, the motor, the toothed bar and the toothed hole, after a person climbs the power transmission pole, the device is taken out and placed beside the power transmission pole, the motor works to drive the toothed bar to rotate, the toothed bar is meshed with the toothed hole in the movable shaft, the sleeve shaft and the movable shaft rotate, the opening and closing angle between the two clamping rings is changed, and finally the two clamping rings are attached to the outer wall of the power transmission pole, so that the fixation of the device on the power transmission pole is completed; the device utilizes two to carry out pivoted clamp rings around same rotation axis, and the drive through outside adjusting motor controls the angle of opening and shutting between two clamp rings to accomplish the device and transmit electricity fixed before the pole outer wall, reduce the danger when maintainer transmits electricity high altitude construction on the pole, avoid the fixed bolt that appears of traditional rope and collect loaded down with trivial details problem, improve personnel's whole maintenance efficiency.
2. According to the invention, the cover is opened through the arranged cover, the cover and the switch, the switch is pressed down to drive the motor to rotate, and the cover can be arranged to prevent the switch from being mistakenly touched during carrying and working, so that the device is opened and closed in advance; in the process of fixing the two clamping rings and the power transmission pole, the pressing block can firstly contact with the outer wall of the power transmission pole, and the pressing block moves inwards to extrude the spring to buffer the pressure until the fixing between the clamping rings and the power transmission pole is finished; broken line non slipping spur can increase the frictional force between two clamp rings and the power transmission pole outer wall, improves the stability after the clamp ring is fixed, avoids the clamp ring to appear sliding and dropping, and the rubber arch then further improves the centre gripping effect, and the rubber arch can play the effect of protection power transmission pole outer wall simultaneously, avoids appearing the mar.
3. According to the invention, the base and the anti-slip pad are arranged, and the anti-slip pad is made of rubber, so that the friction force between the whole clamping ring and the power transmission pole is improved, and the loosening phenomenon is avoided; the handle is lifted, so that the personnel can carry conveniently, and the installation and operation of the device are facilitated.
4. According to the rope box, the rope collecting box, the self-locking device and the safety rope, the coil spring is arranged in the rope collecting box, the safety rope between the device and a person can be conveniently collected, the self-locking device has an auxiliary self-locking function, when the rope is rapidly drawn, the safety rope can be emergently locked, the person is prevented from falling, and the safety of the overhaul personnel during working is improved.
5. According to the invention, through the side plates and the hooks, the device is positioned at the top of the power transmission pole during use, various tools can be used in cooperation during maintenance, the steps for frequently taking out the tools from the tool box by personnel are complicated, the working efficiency is low, the hooks can facilitate the maintenance personnel to place the tools outside the device, the tools can be conveniently used during maintenance, and the maintenance time consumption is shortened.
Drawings
Fig. 1 is a schematic view of an overall structure of a power cable maintenance apparatus according to embodiment 1 of the present invention;
fig. 2 is a schematic view of a partially disassembled structure of a power cable maintenance device according to the present invention;
fig. 3 is a schematic cross-sectional structural view of a clamp ring of a power cable maintenance device according to the present invention;
fig. 4 is a schematic cross-sectional structural view of a rope winding box of the power cable maintenance device provided by the invention;
fig. 5 is a schematic partial structural view of a power cable maintenance device according to embodiment 2 of the present invention.
In the figure: 1 clamp ring, 2 sleeve shafts, 3 movable shafts, 4 motors, 5 toothed bars, 6 toothed holes, 7 machine sleeves, 8 machine covers, 9 switches, 10 pressing blocks, 11 springs, 12 fold line anti-slip blocks, 13 rubber bulges, 14 bases, 15 anti-slip pads, 16 lifting handles, 17 rope boxes, 18 rope collecting boxes, 19 self-locking devices, 20 safety ropes, 21 side plates and 22 hooks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-4, a power cable overhauls device, including two clamp rings 1, there is sleeve shaft 2 one side outer wall of one clamp ring 1 through bolted connection, and there is loose axle 3 one side outer wall of another clamp ring 1 through bolted connection, the spout has all been seted up to the upper and lower both sides inner wall of loose axle 3, and rotate through the bearing between sleeve shaft 2 and the loose axle 3 and be connected, there is motor 4 inner wall of sleeve shaft 2 through bolted connection, there is ratch 5 output through the coupling joint of motor 4, and rotate through the bearing between the other end of ratch 5 and the bottom outer wall of sleeve shaft 2 and be connected, the pick hole 6 has been seted up to the inner wall of loose axle 3, and peg graft between ratch 5 and the loose axle 3, mesh between the outer wall tooth's socket of ratch 5 and the pick.
In the invention, the outer part of the motor 4 is sleeved with the machine sleeve 7, and the machine sleeve 7 is connected with the outer wall of the top part of the sleeve shaft 2 through a bolt.
According to the invention, the outer wall of the machine sleeve 7 is rotatably connected with the machine cover 8 through the hinge, the rectangular groove is formed in the machine sleeve 7, the switch 9 is arranged on the inner wall of the rectangular groove, the switch 9 is connected with the motor 4 through a wire, and the machine cover 8 can prevent the switch 9 from being mistakenly touched during carrying and working to cause the device to be opened and closed in advance.
In the invention, a plurality of rectangular grooves are formed in the inner wall of one side of each of the two clamping rings 1, sliding grooves are formed in the inner walls of the upper side and the lower side of each rectangular groove, and pressing blocks 10 are connected to the inner walls of the rectangular grooves in a sliding manner.
According to the invention, the outer wall of one side of the pressing block 10 is connected with the spring 11 through the bolt, the other end of the spring 11 is connected with the inner wall of the rectangular groove of the clamping ring 1 through the bolt, the outer wall of the other side of the pressing block 10 is provided with the plurality of broken line anti-skidding blocks 12, the outer wall of each broken line anti-skidding block 12 is provided with the plurality of rubber bulges 13, the broken line anti-skidding blocks 12 can increase the friction force between the two clamping rings 1 and the outer wall of the power transmission rod, the stability of the fixed clamping ring 1 is improved, the clamping ring 1 is prevented from sliding and falling off, the clamping effect is further improved due to the rubber bulges 13, and meanwhile, the rubber bulges 13 can play a role in protecting the outer wall of the power transmission rod, and scratches are avoided.
According to the invention, the two clamping rings 1 are respectively provided with the annular groove, the inner wall of the annular groove is connected with the base 14 through the bolt, the outer wall of one side of the base 14 is connected with the non-slip mat 15 through the bolt, the non-slip mat 15 is made of rubber, the friction force between the whole clamping ring 1 and the power transmission pole is improved, and the loosening phenomenon is avoided.
In the invention, the outer wall of the upper side of one clamping ring 1 is connected with a lifting handle 16 through a bolt, and the lifting handle 16 is convenient for personnel to carry and is convenient for installation and operation of the device.
In the invention, the outer wall of the movable shaft 3 is connected with a rope box 17 through a bolt, the inner wall of the rope box 17 is connected with a rope collecting box 18 through a bolt, a self-locking device 19 is arranged above the rope collecting box 18, the self-locking device 19 is connected with the inner wall of the rope box 17 through a bolt, a safety rope 20 is arranged inside the rope collecting box 18, the other end of the safety rope 20 penetrates through the self-locking device 19 and the rope box 17 respectively, a coil spring is arranged inside the rope collecting box 18, the safety rope 20 between a device and a person can be conveniently collected, the self-locking device 19 has an auxiliary self-locking function, when the quick rope drawing occurs, the safety rope 20 can be emergently locked, the person is prevented from falling, and the safety of the overhaul personnel during working is improved.
During the use, after the personnel went up the transmission of electricity pole, take out the device and place beside the transmission of electricity pole, open cover 8, press switch 9, motor 4 works and drives ratch 5 and rotate, ratch 5 meshes the inside perforation 6 of loose axle 3, rotate between sleeve shaft 2 and the loose axle 3, change the opening and shutting angle between two clamp ring 1, two clamp ring 1 and the fixed in-process of transmission of electricity pole, briquetting 10 can contact with the outer wall of transmission of electricity pole earlier, briquetting 10 inwards move extrusion spring 11 buffer pressure, until fixed the completion between clamp ring 1 and the transmission of electricity pole, final two clamp ring 1 and the laminating of transmission of electricity pole outer wall, after fixed, in maintainer's operation, safety rope 20 bindes in maintainer's waist, when the landing appears, auto-lock 19 can promptly lock, the condition that the personnel of avoiding falling appears.
Example 2:
referring to fig. 1-4, a power cable overhauls device, including two clamp rings 1, there is sleeve shaft 2 one side outer wall of one clamp ring 1 through bolted connection, and there is loose axle 3 one side outer wall of another clamp ring 1 through bolted connection, the spout has all been seted up to the upper and lower both sides inner wall of loose axle 3, and rotate through the bearing between sleeve shaft 2 and the loose axle 3 and be connected, there is motor 4 inner wall of sleeve shaft 2 through bolted connection, there is ratch 5 output through the coupling joint of motor 4, and rotate through the bearing between the other end of ratch 5 and the bottom outer wall of sleeve shaft 2 and be connected, the pick hole 6 has been seted up to the inner wall of loose axle 3, and peg graft between ratch 5 and the loose axle 3, mesh between the outer wall tooth's socket of ratch 5 and the pick hole 6.
In the invention, the outer part of the motor 4 is sleeved with the machine sleeve 7, and the machine sleeve 7 is connected with the outer wall of the top part of the sleeve shaft 2 through a bolt.
According to the invention, the outer wall of the machine sleeve 7 is rotatably connected with the machine cover 8 through the hinge, the rectangular groove is formed in the machine sleeve 7, the switch 9 is arranged on the inner wall of the rectangular groove, the switch 9 is connected with the motor 4 through a wire, and the machine cover 8 can prevent the switch 9 from being mistakenly touched during carrying and working to cause the device to be opened and closed in advance.
In the invention, a plurality of rectangular grooves are formed in the inner wall of one side of each of the two clamping rings 1, sliding grooves are formed in the inner walls of the upper side and the lower side of each rectangular groove, and pressing blocks 10 are connected to the inner walls of the rectangular grooves in a sliding manner.
According to the invention, the outer wall of one side of the pressing block 10 is connected with the spring 11 through the bolt, the other end of the spring 11 is connected with the inner wall of the rectangular groove of the clamping ring 1 through the bolt, the outer wall of the other side of the pressing block 10 is provided with the plurality of broken line anti-skidding blocks 12, the outer wall of each broken line anti-skidding block 12 is provided with the plurality of rubber bulges 13, the broken line anti-skidding blocks 12 can increase the friction force between the two clamping rings 1 and the outer wall of the power transmission rod, the stability of the fixed clamping ring 1 is improved, the clamping ring 1 is prevented from sliding and falling off, the clamping effect is further improved due to the rubber bulges 13, and meanwhile, the rubber bulges 13 can play a role in protecting the outer wall of the power transmission rod, and scratches are avoided.
According to the invention, the two clamping rings 1 are respectively provided with the annular groove, the inner wall of the annular groove is connected with the base 14 through the bolt, the outer wall of one side of the base 14 is connected with the non-slip mat 15 through the bolt, the non-slip mat 15 is made of rubber, the friction force between the whole clamping ring 1 and the power transmission pole is improved, and the loosening phenomenon is avoided.
In the invention, the outer wall of the upper side of one clamping ring 1 is connected with a lifting handle 16 through a bolt, and the lifting handle 16 is convenient for personnel to carry and is convenient for installation and operation of the device.
Referring to fig. 5, the present embodiment is compared with embodiment 1, and the power cable maintenance device further includes that a groove is formed in an outer wall of one side of another clamp ring 1, an inner wall of the groove is connected with a side plate 21 through a bolt, and an outer wall of the side plate 21 is connected with a plurality of hooks 22 through bolts.
During the use, the device is located the top of transmission of electricity pole during the use, can have the cooperation of various instruments to use when overhauing, and the personnel frequently takes out the instrument step from the toolbox loaded down with trivial details, and work efficiency is low, and couple 22 can make things convenient for the maintainer to place the instrument in the device outside, and the use of instrument when being convenient for overhaul shortens maintenance time consumption.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a power cable overhauls device, includes two clamp rings (1), its characterized in that, one side outer wall fixedly connected with sleeve shaft (2) of clamp ring (1), and one side outer wall fixedly connected with loose axle (3) of another clamp ring (1), the spout has all been seted up to the upper and lower both sides inner wall of loose axle (3), and swing joint between sleeve shaft (2) and loose axle (3), the inner wall fixedly connected with motor (4) of sleeve shaft (2), the output of motor (4) has ratch (5) through the coupling joint, and swing joint between the other end of ratch (5) and the bottom outer wall of sleeve shaft (2), sprocket hole (6) have been seted up to the inner wall of loose axle (3), and peg graft between ratch (5) and loose axle (3), mesh between the outer wall tooth's socket of ratch (5) and sprocket hole (6).
2. A power cable maintenance device according to claim 1, characterized in that a jacket (7) is sleeved outside the motor (4), and the jacket (7) is fixedly connected with the top outer wall of the sleeve shaft (2).
3. The power cable overhauling device according to claim 2, wherein the outer wall of the machine sleeve (7) is rotatably connected with a machine cover (8) through a hinge, a rectangular groove is formed in the machine sleeve (7), a switch (9) is arranged on the inner wall of the rectangular groove, and the switch (9) is connected with the motor (4) through a wire.
4. The power cable overhauling device according to claim 1, wherein a plurality of rectangular grooves are formed in the inner wall of one side of each of the two clamping rings (1), sliding grooves are formed in the inner walls of the upper side and the lower side of each rectangular groove, and pressing blocks (10) are movably connected to the inner walls of the rectangular grooves.
5. A power cable maintenance device according to claim 4, characterized in that a spring (11) is fixedly connected to the outer wall of one side of the pressing block (10), the other end of the spring (11) is fixedly connected to the inner wall of the rectangular groove of the clamping ring (1), a plurality of fold-line anti-slip blocks (12) are arranged on the outer wall of the other side of the pressing block (10), and a plurality of rubber protrusions (13) are arranged on the outer wall of each fold-line anti-slip block (12).
6. The power cable maintenance device according to claim 1, wherein the two clamping rings (1) are provided with annular grooves, the inner walls of the annular grooves are fixedly connected with a base (14), and the outer wall of one side of the base (14) is fixedly connected with a non-slip mat (15).
7. A power cable service arrangement as claimed in claim 1, wherein a carrying handle (16) is fixedly attached to the upper outer wall of one of the clamping rings (1).
8. The power cable overhauling device according to claim 1, wherein a rope box (17) is fixedly connected to the outer wall of the movable shaft (3), a rope collecting box (18) is fixedly connected to the inner wall of the rope box (17), a self-locking device (19) is arranged above the rope collecting box (18), and the self-locking device (19) is fixedly connected with the inner wall of the rope box (17).
9. A power cable service device according to claim 8, wherein a safety rope (20) is arranged inside the rope-collecting box (18), and the other end of the safety rope (20) passes through the self-locking device (19) and the rope box (17).
10. A power cable maintenance device according to claim 7, characterized in that the outer wall of one side of the other clamp ring (1) is provided with a groove, the inner wall of the groove is fixedly connected with a side plate (21), and the outer wall of the side plate (21) is fixedly connected with a plurality of hooks (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110571098.6A CN113346405A (en) | 2021-05-25 | 2021-05-25 | Power cable overhauls device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110571098.6A CN113346405A (en) | 2021-05-25 | 2021-05-25 | Power cable overhauls device |
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CN113346405A true CN113346405A (en) | 2021-09-03 |
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CN202110571098.6A Pending CN113346405A (en) | 2021-05-25 | 2021-05-25 | Power cable overhauls device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117438975A (en) * | 2023-12-21 | 2024-01-23 | 江苏卓智电子有限公司 | Automatic cable repairing device |
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CN210957746U (en) * | 2019-10-18 | 2020-07-07 | 中融国城建设有限公司 | Special device for lightning protection engineering construction |
CN111420369A (en) * | 2020-03-24 | 2020-07-17 | 曾华云 | A assistor of ascending a height for electric power overhauls |
CN111682448A (en) * | 2020-06-17 | 2020-09-18 | 王秀芝 | High altitude electric power overhauls with protector convenient to remove |
CN212258252U (en) * | 2020-03-06 | 2020-12-29 | 广东电网有限责任公司 | Transmission line straight pole overhead earth wire overhauls support |
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2021
- 2021-05-25 CN CN202110571098.6A patent/CN113346405A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106992469A (en) * | 2017-05-31 | 2017-07-28 | 长沙理工大学 | A kind of hot line maintenance robot and its upper and lower line control method |
CN207985000U (en) * | 2017-12-01 | 2018-10-19 | 江苏科技大学 | A kind of automatic climbing device on column |
CN210182917U (en) * | 2019-08-30 | 2020-03-24 | 苏楷 | Electrical overhaul auxiliary device |
CN210957746U (en) * | 2019-10-18 | 2020-07-07 | 中融国城建设有限公司 | Special device for lightning protection engineering construction |
CN212258252U (en) * | 2020-03-06 | 2020-12-29 | 广东电网有限责任公司 | Transmission line straight pole overhead earth wire overhauls support |
CN111420369A (en) * | 2020-03-24 | 2020-07-17 | 曾华云 | A assistor of ascending a height for electric power overhauls |
CN111682448A (en) * | 2020-06-17 | 2020-09-18 | 王秀芝 | High altitude electric power overhauls with protector convenient to remove |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN117438975A (en) * | 2023-12-21 | 2024-01-23 | 江苏卓智电子有限公司 | Automatic cable repairing device |
CN117438975B (en) * | 2023-12-21 | 2024-02-13 | 江苏卓智电子有限公司 | Automatic cable repairing device |
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Application publication date: 20210903 |
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