CN105896381A - Foreign matter removing apparatus for power transmission line - Google Patents
Foreign matter removing apparatus for power transmission line Download PDFInfo
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- CN105896381A CN105896381A CN201610432280.2A CN201610432280A CN105896381A CN 105896381 A CN105896381 A CN 105896381A CN 201610432280 A CN201610432280 A CN 201610432280A CN 105896381 A CN105896381 A CN 105896381A
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- Prior art keywords
- foreign matter
- insulating bar
- hook
- spine
- section retractable
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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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- Organic Insulating Materials (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a foreign matter removing apparatus for a power transmission line. The foreign matter removing apparatus for the power transmission line comprises multiple sections of telescopic insulating rods, wherein the top ends of the multiple sections of telescopic insulating rods are connected with a cutting head through a connecting base; the cutting head comprises a rotary disc with teeth and multiple working pieces uniformly arranged on the rotary disc; the rotary disc is movably connected with the connecting base through the rotary shaft; each working piece comprises a two-sided arc-shaped blade, a swivel hook, a first sharp spine and multiple second sharp spines; the connecting base is hinged with a hook-shaped fixed part; the other end of the hook-shaped fixed part is matched with the teeth of the rotary disc; an elastic part is also arranged between the hook-shaped fixed part and the connecting base; and an anti-skidding sleeve is also arranged at the lower end of the lowest section of the multiple sections of telescopic insulating rods. The foreign matter removing apparatus for the power transmission line provided by the invention is simple in structure, convenient to operate, flexible to adjust, and long in service life.
Description
Technical field
The invention belongs to electric power transmission service technique field, be specifically related to a kind of electric line foreign matter and remove device.
Background technology
Electric power transmission line runs for a long time in natural environment, easily lash foreign body, the reason such as scrape such as wind to be wrapped on electric power transmission line by the foreign bodies such as similar agricultural booth plastics, sunshade net, braid over braid, the advertising cloth of advertisement, kite and kite stay cord, after these foreign bodies drench with rain or make moist, insulating properties are poor, the accidents such as transmission line of electricity tripping operation, short circuit that easily cause occur, and have a strong impact on electrical network power supply safety.The method that electric line foreign matter is removed by tradition is to be hung on transmission pressure by operating personnel by driving on the premise of line outage, is then sitting on driving to move and is taken off by foreign body to foreign body, has both affected power supply, and on bar, operating personnel is wasted time and energy and dangerous property.
Chinese patent CN105375388A discloses a kind of electric line foreign matter and removes device, including action bars, also includes that remover, described remover include hook, blade and spine.Set of the present invention is linked up with, blade, spine, and elongated hole multiple removing structure cooperates in actual use, mutually assists, allows the operator to be easily accomplished the cleaning to foreign bodies on transmission lines.
Chinese patent 203596552U discloses and a kind of removes obstacles except thing device on electrification in high voltage wire, this device can remove all kinds of rubbish on the high voltage transmission lines such as high ferro, motor-car, rail friendship effectively, the thing that descends slowly and lightly, high-altitude leave thing, kite with a broken string etc., prevents the short-circuit disconnection fault caused on electrification in high voltage wire because of foreign body retention.This device adapted scalable high pressure resistant insulation bar, by 180 degree of adjustable positioning latch-up structures, utilizes hook that this device has, draws, pushes away, pushes up, inserts, cuts functions such as cutting, can effectively complete and remove obstacles except thing works, thus ensure the properly functioning of ultra-high-tension power transmission line.But, above-mentioned to remove obstacles except thing apparatus structure is complicated, operate underaction, service life is short.
Summary of the invention
For overcoming drawbacks described above, it is an object of the invention to provide a kind of electric line foreign matter and remove device.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of electric line foreign matter removes device, including Multi-section retractable insulating bar, described Multi-section retractable insulating bar top is connected with cutting head by connecting seat, described cutting head includes toothed rotating disk and the uniform multiple work packages being arranged in described rotating disk, described rotating disk is movably connected on described connection seat by rotating shaft, described work package includes cambered blade, return hook, first spine and the second spine, described cambered blade is double-edged razor blade, described first spine is a sharp thorn, described second spine is made up of many sharp thorns, hinged hook-type fastener on described connection seat, the described hook-type fastener other end matches with the tooth of described rotating disk, described hook-type fastener also sets up elastic component with described connection between seat, described Multi-section retractable insulating bar most descends joint lower end to also set up Anti-slip cover.
Preferably, described Multi-section retractable insulating bar arranging lighting mechanism, described lighting mechanism includes that power supply, switch and LED, described power supply and switch are arranged on Multi-section retractable insulating bar and descend most joint, described LED to be arranged on Multi-section retractable insulating bar most to go up joint.
Preferably, tubaeform reflection shield is also set up around described LED.
Preferably, described second spine is made up of three or four sharp thorns.
Preferably, described elastic component is torsion spring.
Preferably, described Multi-section retractable insulating bar is obtained by bakelite, bakelite, PVC ambroin or epoxy glass fabric control.
Preferably, described PVC ambroin is made up of the raw material of following parts by weight:
Polrvinyl chloride 80-100 part, nitrile rubber 32-50 part, glass fibre 30-45 part, magnesium hydroxide 4-6 part, dioctyl phthalate 15-25 part, anti-aging agent RD
6-10 part, irgasfos 168 0.1-0.8 part, Bis(pentamethylene)thiuram tetrasulfide 0.1-0.5 part, cumyl peroxide 4-8 part and trimethylol-propane trimethacrylate 2-6 part.
Preferably, the preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 50-60 DEG C in banbury, plasticate 3-5min, it is subsequently added into glass fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 3-5min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 100-110 DEG C of mixing 2-3min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 280-320 DEG C of injection mo(u)lding after batch mixing is completely melted.
The positive beneficial effect of the present invention:
Cutting head the most of the present invention includes toothed rotating disk and the uniform multiple work packages being arranged in described rotating disk, described rotating disk is movably connected on described connection seat by rotating shaft, when a certain work package can not work, only change a certain work package, need not change Multi-section retractable insulating bar, it is convenient to change, and service life is long；
Described work package includes cambered blade, returns hook, the first spine and the second spine, described cambered blade is double-edged razor blade, described first spine is a sharp thorn, and described second spine is made up of many sharp thorns, cutting head work package wide variety of the present invention, blade can cut hanger, return hook can pull hanger, the first spine and the second spine back and forth and can rotate use, provoke hanger, and the second spine is more convenient firmly, and the biggest；
Hinged hook-type fastener on described connection seat, the described hook-type fastener other end matches with the tooth of described rotating disk, described hook-type fastener also sets up elastic component with described connection between seat, the present invention can rotate rotating disk with 360 ° by hinged hook-type fastener, arbitrarily regulate the operating position of work package, flexible operation, easy to adjust.
It is simple that electric line foreign matter of the present invention removes apparatus structure, and easy to operate, flexible adjustment, service life is long.
On Multi-section retractable insulating bar the most of the present invention, lighting mechanism is set, described lighting mechanism includes power supply, switch and LED, described power supply and switch are arranged on Multi-section retractable insulating bar and most descend joint, described LED is arranged on Multi-section retractable insulating bar and most goes up joint, tubaeform reflection shield is also set up around described LED, electric line foreign matter the most of the present invention is removed device and can be worked at night, and illumination is good.
Multi-section retractable insulating bar the most of the present invention is made up of PVC ambroin, described PVC ambroin prepares base resin with polrvinyl chloride and nitrile rubber for base material, good processability, stability and excellent insulation performance, increase glass fibre, glass fibre tensile strength is big, heat-resist, there is excellent electrical insulating property, with polrvinyl chloride and nitrile rubber with the use of the network structure forming IPN, enhance both intensity, various raw materials with the use of, compatibility is reasonable, the vulcanization reaction time is short and abundant, good processability, excellent in mechanical performance, service life is long.
Accompanying drawing explanation
Fig. 1 is the structural representation that the embodiment of the present invention 1 electric line foreign matter of the present invention removes device；
Fig. 2 is the structural representation that the embodiment of the present invention 2 electric line foreign matter of the present invention removes device；
In figure: 1-Multi-section retractable insulating bar, 2-connects seat, 3-rotating disk, 4-rotating shaft, 5-cambered blade, 6-returns hook, 7-the first spine, 8-the second spine, 9-hook fastener elements, 10-elastic component, 11-Anti-slip cover, 12-power supply, 13-switchs, 14-LED lamp, 15-is tubaeform reflection shield.
Detailed description of the invention
Below in conjunction with some specific embodiments, the present invention is further described.
Embodiment 1
nullSee Fig. 1，A kind of electric line foreign matter removes device，Including Multi-section retractable insulating bar 1，Described Multi-section retractable insulating bar 1 is prepared by bakelite，Described Multi-section retractable insulating bar 1 top is connected with cutting head by connecting seat 2，Described cutting head includes toothed rotating disk 3 and the uniform multiple work packages being arranged in described rotating disk 3，Described rotating disk 3 is movably connected on described connection seat 2 by rotating shaft 4，Described work package includes cambered blade 5、Return hook 6、First spine 7 and the second spine 8，Described cambered blade 5 is double-edged razor blade，Described first spine 7 is a sharp thorn，Described second spine 8 is made up of 4 sharp thorns，Hinged hook-type fastener 9 on described connection seat 2，Described hook-type fastener 9 other end matches with the tooth of described rotating disk 3，Described hook-type fastener 9 also sets up elastic component 10 with described connection between seat 2，Described elastic component 10 is torsion spring，Torsion spring is extended state from start to finish，Make the clamping of hook-type fastener 9 and rotating disk 3，Prevent hook-type fastener 9 from dropping with this，Described Multi-section retractable insulating bar 1 most descends joint lower end to also set up Anti-slip cover 11.
Electric line foreign matter of the present invention removes device in use, work package as required, rotate rotating disk 3, the work package making correspondence rotates to relevant position, then hook-type fastener 9 is used to match with the tooth of described rotating disk 3, fixing rotating disk 3, operator can hold Anti-slip cover 11, and the foreign body carrying out transmission line of electricity is removed.
Embodiment 2
See Fig. 2, it is similar to Example 1 that the present embodiment electric line foreign matter removes apparatus structure, something in common does not repeats, somewhat different: on described Multi-section retractable insulating bar 1, lighting mechanism is set, described lighting mechanism includes power supply 12, switch 13 and LED 14, power supply 12, it it is conventional electrical connection between switch 13 and LED 14, described power supply 12 and switch 13 are arranged on Multi-section retractable insulating bar 1 and most descend joint, described LED 14 is arranged on Multi-section retractable insulating bar 1 and most goes up joint, tubaeform reflection shield 15 is also set up around described LED 14, illuminating effect can be made more preferable, the illumination of abundance is provided for night time operation；Described Multi-section retractable insulating bar 1 is prepared by bakelite.
Embodiment 3
It is similar to Example 2 that the present embodiment electric line foreign matter removes apparatus structure, and something in common does not repeats, somewhat different: described second spine 8 is made up of 3 sharp thorns.
Described Multi-section retractable insulating bar 1 is obtained by epoxy glass fabric control.
Embodiment 4
It is same as in Example 2 that the present embodiment electric line foreign matter removes apparatus structure, does not repeats.
Described Multi-section retractable insulating bar is prepared by PVC ambroin, and described PVC ambroin is made up of the raw material of following parts by weight:
Polrvinyl chloride 80 parts, nitrile rubber 32 parts, glass fibre 30 parts, 4 parts of magnesium hydroxide, dioctyl phthalate 15 parts, anti-aging agent RD 6 parts, irgasfos 168 0.1 part, Bis(pentamethylene)thiuram tetrasulfide 0.1 part, cumyl peroxide 4 parts and trimethylol-propane trimethacrylate 2 parts.
The preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 55 DEG C in banbury, plasticate 3min, it is subsequently added into glass fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 5min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 100 DEG C of mixing 2min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 280 DEG C of injection mo(u)ldings after batch mixing is completely melted.
Embodiment 5
It is same as in Example 2 that the present embodiment electric line foreign matter removes apparatus structure, does not repeats.
Described Multi-section retractable insulating bar is prepared by PVC ambroin, and described PVC ambroin is made up of the raw material of following parts by weight:
Polrvinyl chloride 85 parts, nitrile rubber 36 parts, glass fibre 32 parts, 4.5 parts of magnesium hydroxide, dioctyl phthalate 16 parts, anti-aging agent RD 7 parts, irgasfos 168 0.2 part, Bis(pentamethylene)thiuram tetrasulfide 0.15 part, cumyl peroxide 5 parts and trimethylol-propane trimethacrylate 3 parts.
The preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 50 DEG C in banbury, plasticate 4min, it is subsequently added into glass fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 4min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 105 DEG C of mixing 3min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 300 DEG C of injection mo(u)ldings after batch mixing is completely melted.
Embodiment 6
It is same as in Example 2 that the present embodiment electric line foreign matter removes apparatus structure, does not repeats.
Described Multi-section retractable insulating bar is prepared by PVC ambroin, and described PVC ambroin is made up of the raw material of following parts by weight:
Polrvinyl chloride 90 parts, nitrile rubber 40 parts, glass fibre 35 parts, 5 parts of magnesium hydroxide, dioctyl phthalate 20 parts, anti-aging agent RD 8 parts, irgasfos 168 0.3 part, Bis(pentamethylene)thiuram tetrasulfide 0.2 part, cumyl peroxide 6 parts and trimethylol-propane trimethacrylate 4 parts.
The preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 60 DEG C in banbury, plasticate 3min, it is subsequently added into glass fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 4min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 110 DEG C of mixing 3min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 300 DEG C of injection mo(u)ldings after batch mixing is completely melted.
Embodiment 7
It is same as in Example 2 that the present embodiment electric line foreign matter removes apparatus structure, does not repeats.
Described in the present embodiment, Multi-section retractable insulating bar is prepared by PVC ambroin, and described Multi-section retractable insulating bar is prepared by PVC ambroin, and described PVC ambroin is made up of the raw material of following parts by weight:
Polrvinyl chloride 90 parts, nitrile rubber 40 parts, glass fibre 35 parts, wood fibre 10 parts, 5 parts of magnesium hydroxide, dioctyl phthalate 20 parts, anti-aging agent RD 8 parts, irgasfos 168 0.3 part, Bis(pentamethylene)thiuram tetrasulfide 0.2 part, cumyl peroxide 6 parts and trimethylol-propane trimethacrylate 4 parts.
The preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 60 DEG C in banbury, plasticate 3min, it is subsequently added into glass fibre, wood fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 4min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 110 DEG C of mixing 3min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 300 DEG C of injection mo(u)ldings after batch mixing is completely melted.
The present embodiment adds wood fibre, wood fibre proportion is little, specific surface area is big, have excellent insulation, heat insulation, insulate against sound, insulate and permeability, thermal expansion is not the most flaked and is not ftractureed, and has excellent pliability and dispersibility, antifreeze the strongest with solar heat protection ability, sharing with glass fibre, penetrate in the network structure of polrvinyl chloride and nitrile rubber, product structure is stable, improve the mechanical property of product, but also further mitigate the weight of product.
Embodiment 8
It is same as in Example 2 that the present embodiment electric line foreign matter removes apparatus structure, does not repeats.
Described Multi-section retractable insulating bar is prepared by PVC ambroin, and described PVC ambroin is made up of the raw material of following parts by weight:
Polrvinyl chloride 95 parts, nitrile rubber 45 parts, glass fibre 40 parts, 5.5 parts of magnesium hydroxide, dioctyl phthalate 22 parts, anti-aging agent RD 9 parts, irgasfos 168 0.6 part, Bis(pentamethylene)thiuram tetrasulfide 0.4 part, cumyl peroxide 7 parts and trimethylol-propane trimethacrylate 5 parts.
The preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 50 DEG C in banbury, plasticate 5min, it is subsequently added into glass fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 3min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 100 DEG C of mixing 3min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 310 DEG C of injection mo(u)ldings after batch mixing is completely melted.
Embodiment 9
It is same as in Example 2 that the present embodiment electric line foreign matter removes apparatus structure, does not repeats.
Described Multi-section retractable insulating bar is prepared by PVC ambroin, and described PVC ambroin is made up of the raw material of following parts by weight:
Polrvinyl chloride 100 parts, nitrile rubber 50 parts, glass fibre 45 parts, 6 parts of magnesium hydroxide, dioctyl phthalate 25 parts, anti-aging agent RD 10 parts, irgasfos 168 0.8 part, Bis(pentamethylene)thiuram tetrasulfide 0.5 part, cumyl peroxide 8 parts and trimethylol-propane trimethacrylate 6 parts.
The preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 60 DEG C in banbury, plasticate 3min, it is subsequently added into glass fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 3min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 105 DEG C of mixing 3min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 320 DEG C of injection mo(u)ldings after batch mixing is completely melted.
Embodiment of the present invention 4-9 is prepared the performance test results of PVC ambroin and is shown in Table 1.
Table 1 embodiment of the present invention 4-9 prepares the performance test results of PVC ambroin
Embodiment of the present invention 4-9 prepares PVC ambroin hot strength, stretching extension rate and tearing toughness height, and fire resistance is good, therefore, the PVC ambroin excellent in mechanical performance of embodiment of the present invention 4-9, the service life removing device can be extended.
Finally illustrate is, above example is only in order to illustrate technical scheme and unrestricted, other amendment or equivalents that technical scheme is made by those of ordinary skill in the art, without departing from the spirit and scope of technical solution of the present invention, all should contain in the middle of scope of the presently claimed invention.
Claims (8)
1. an electric line foreign matter removes device, it is characterized in that, including Multi-section retractable insulating bar, described Multi-section retractable insulating bar top is connected with cutting head by connecting seat, described cutting head includes toothed rotating disk and the uniform multiple work packages being arranged in described rotating disk, described rotating disk is movably connected on described connection seat by rotating shaft, described work package includes cambered blade, return hook, first spine and the second spine, described cambered blade is double-edged razor blade, described first spine is a sharp thorn, described second spine is made up of many sharp thorns, hinged hook-type fastener on described connection seat, the described hook-type fastener other end matches with the tooth of described rotating disk, described hook-type fastener also sets up elastic component with described connection between seat, described Multi-section retractable insulating bar most descends joint lower end to also set up Anti-slip cover.
Electric line foreign matter the most according to claim 1 removes device, it is characterized in that, on described Multi-section retractable insulating bar, lighting mechanism is set, described lighting mechanism includes power supply, switch and LED, described power supply and switch are arranged on Multi-section retractable insulating bar and descend most joint, described LED to be arranged on Multi-section retractable insulating bar most to go up joint.
Electric line foreign matter the most according to claim 2 removes device, it is characterised in that also set up tubaeform reflection shield around described LED.
Electric line foreign matter the most according to claim 1 removes device, it is characterised in that described second spine is made up of three or four sharp thorns.
Electric line foreign matter the most according to claim 1 removes device, it is characterised in that described elastic component is torsion spring.
6. remove device according to the electric line foreign matter described in any one of claim 1-5, it is characterised in that described Multi-section retractable insulating bar is obtained by bakelite, bakelite, PVC ambroin or epoxy glass fabric control.
7. the PVC ambroin described in a claim 6, it is characterised in that be made up of the raw material of following parts by weight:
Polrvinyl chloride 80-100 part, nitrile rubber 32-50 part, glass fibre 30-45 part, magnesium hydroxide 4-6 part, dioctyl phthalate 15-25 part, anti-aging agent RD 6-10 part, irgasfos 168 0.1-0.8 part, Bis(pentamethylene)thiuram tetrasulfide 0.1-0.5 part, cumyl peroxide 4-8 part and trimethylol-propane trimethacrylate 2-6 part.
PVC ambroin the most according to claim 7, it is characterised in that the preparation method of described PVC ambroin comprises the following steps:
Polrvinyl chloride and nitrile rubber are heated to 50-60 DEG C in banbury, plasticate 3-5min, it is subsequently added into glass fibre, magnesium hydroxide, dioctyl phthalate, anti-aging agent RD, irgasfos 168 and Bis(pentamethylene)thiuram tetrasulfide to mix, continue stirring 3-5min, it is eventually adding cumyl peroxide and trimethylol-propane trimethacrylate, 100-110 DEG C of mixing 2-3min, it is then fed into double screw extruder to extrude to molten condition, it is expressed in injection machine, 280-320 DEG C of injection mo(u)lding after batch mixing is completely melted.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432280.2A CN105896381B (en) | 2016-06-17 | 2016-06-17 | A kind of electric line foreign matter remove device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610432280.2A CN105896381B (en) | 2016-06-17 | 2016-06-17 | A kind of electric line foreign matter remove device |
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| CN105896381A true CN105896381A (en) | 2016-08-24 |
| CN105896381B CN105896381B (en) | 2017-11-21 |
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| CN106655002A (en) * | 2017-01-20 | 2017-05-10 | 国网青海省电力公司海西供电公司 | Sickle for power construction |
| CN107769076A (en) * | 2017-11-10 | 2018-03-06 | 国网新疆电力有限公司培训中心 | Multi-purpose power cable cleaning plant |
| CN109560502A (en) * | 2018-10-30 | 2019-04-02 | 广东电网有限责任公司 | A kind of device for removing electrification distribution line equipment barrier |
| CN114024253A (en) * | 2021-12-21 | 2022-02-08 | 广东电网有限责任公司 | Floater removing device |
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| CN105896381B (en) | 2017-11-21 |
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