CN115568345A - High-pole insulation electric saw for power line maintenance - Google Patents
High-pole insulation electric saw for power line maintenance Download PDFInfo
- Publication number
- CN115568345A CN115568345A CN202211201738.5A CN202211201738A CN115568345A CN 115568345 A CN115568345 A CN 115568345A CN 202211201738 A CN202211201738 A CN 202211201738A CN 115568345 A CN115568345 A CN 115568345A
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- saw
- power
- protection
- lifting plate
- assembly
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- 238000012423 maintenance Methods 0.000 title claims abstract description 18
- 238000009413 insulation Methods 0.000 title claims description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 66
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 23
- 230000005611 electricity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000009966 trimming Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013138 pruning Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
- A01G3/085—Motor-driven saws for pruning or branching
- A01G3/086—Chain saws
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides a high-pole insulated electric saw for power line maintenance, which comprises an insulated telescopic rod, a main chain saw, a protective lifting plate, a protective cutting assembly and a supporting assembly capable of being bound on an operator body, wherein one end of the insulated telescopic rod is detachably connected to the supporting assembly through a universal joint, the main chain saw is arranged at the free end of the insulated telescopic rod, the protective lifting plate is rotatably connected to the insulated telescopic rod through an adjusting assembly, the protective lifting plate can be sleeved on the upper part of a power transmission wire to protect the power transmission wire and lift branches suspended on the power transmission wire, the protective cutting assembly is connected above the protective lifting plate in an L shape, and the protective cutting assembly is used for cutting the branches suspended on the power transmission wire. Can cut the peripheral branches of height of transmission line, and accessible protection lifting plate, adjusting part and protection cutting assembly's cooperation, protection transmission line cuts the branch of hanging on transmission line, effectively avoids damaging transmission line.
Description
Technical Field
The invention relates to the technical field of branch pruning equipment, in particular to a high-pole insulation electric saw for power line maintenance.
Background
The overhead transmission network is widely distributed, urban areas, mountain areas, forest areas and rural areas are distributed, trees in the urban areas, the mountain areas, the forest areas and the rural areas can be in contact with the overhead conductors after growing to a certain height, and the transmission conductors are worn or damaged due to continuous growth of surrounding branches of the transmission conductors and wind and rain environments, so that the transmission safety is influenced. In order to improve the transmission safety of a power transmission network, branches around a transmission conductor need to be trimmed, and when existing trimming equipment trims the branches, the branches above the transmission conductor can be hung on the transmission conductor after trimming, so that the gravity borne by the transmission conductor is increased, and the transmission conductor is easily damaged.
Disclosure of Invention
Therefore, the invention aims to solve the problems in the prior art and provide a high-pole insulation electric saw for maintaining a power line.
The technical scheme of the invention is realized as follows:
the utility model provides an insulating electric saw of high pole for power line maintains, includes insulating telescopic link, main chain saw, protection lifting plate, protection cutting assembly and can tie up the supporting component on one's body in the operator, the one end of insulating telescopic link pass through the universal joint dismantle connect in on the supporting component, the free end of insulating telescopic link is equipped with main chain saw, protection lifting plate rotate through adjusting part connect in on the insulating telescopic link, protection lifting plate can overlap and establish on the upper portion of transmission of electricity wire to realize protecting transmission of electricity wire and promote the branch that hangs on transmission of electricity wire, protection cutting assembly be the L type connect in the top of protection lifting plate, protection cutting assembly is used for the cutting to hang the branch on transmission of electricity wire.
Preferably, the insulating telescopic rod comprises an electric telescopic rod, an insulating rod operating rod and a connecting seat, the fixed end of the electric telescopic rod is hinged to the supporting assembly, the moving end of the electric telescopic rod is connected with the connecting seat, one end of the insulating rod operating rod is fixed to the connecting seat, and the main chain saw is arranged at the free end of the insulating rod operating rod.
Preferably, the protective cutting assembly comprises a transverse chain saw, a vertical chain saw and a driving assembly, the driving assembly is fixed on the protective lifting plate, the transverse chain saw is arranged on the protective lifting plate in parallel, the vertical chain saw is vertically arranged on the protective lifting plate, and the driving assembly is used for driving the transverse chain saw and the vertical chain saw to rotate.
Preferably, drive assembly includes driving motor and double sprocket, driving motor is fixed in on the protection lifting plate, driving motor's output shaft with double sprocket connects, horizontal chain saw and vertical chain saw are even double sprocket meshes.
Preferably, the protection lifting plate comprises an arc-shaped protection plate and a connecting shaft, the connecting shaft passes through the adjusting component is rotatably connected to the upper end of the insulating telescopic rod, the free end of the connecting shaft is connected with the arc-shaped protection plate, and two sides of one end of the arc-shaped protection plate are connected with the guide lifting rod.
Preferably, the adjusting part includes main adjusting gear, follows adjusting gear and leads the chain, main adjusting gear with follow adjusting gear all with insulating telescopic link rotates to be connected, main adjusting gear through lead the chain with follow adjusting gear transmission and be connected, the connecting axle with follow adjusting gear connects, main adjusting gear is connected with the regulation handle.
Preferably, the main chain saw is driven by a power assembly, the power assembly comprises a power motor, a driving chain wheel and a driven chain wheel, the power motor is fixed on the connecting seat, an output shaft of the power motor is connected with the main chain wheel, the main chain wheel is in transmission connection with the driven chain wheel through a transmission chain, and the main chain saw is meshed with the driven chain wheel.
Preferably, the insulating operating rod is internally provided with a first accommodating cavity and a second accommodating cavity, the power assembly is arranged in the first accommodating cavity, and the adjusting assembly is arranged in the second accommodating cavity.
Preferably, the support component comprises an arc-shaped support plate and a binding band, one end of the insulating telescopic rod is hinged to the arc-shaped support plate, one end of the binding band is connected with the arc-shaped support plate, and the free end of the binding band bypasses the waist of an operator and is connected with the other end of the arc-shaped support plate in a buckling mode.
Preferably, an operating handle is slidably connected to the insulating operating rod.
Compared with the prior art, the invention has the beneficial effects that:
according to the high-pole insulation electric saw for power line maintenance, the main chain is extended to the upper part of the power transmission conducting wire through the insulation telescopic rod, high branches on the periphery of the power transmission conducting wire are cut, damage to the power transmission conducting wire is prevented, and power transmission safety of the power transmission conducting wire is improved; the adjustment assembly rotates and adjusts protection lifting plate, make protection lifting plate parallel and transmission conductor, be convenient for protect lifting plate lid in transmission conductor's top, play the effect of protection transmission conductor, and the accessible rotates the branch that protection lifting plate will hang on transmission conductor and promotes, make the branch that hangs break away from the conductor, and under protection cutting assembly's cooperation, cut the branch that hangs, hang the branch on transmission conductor after effective clearance cuts through the main chain saw, effectively reduce the condition that transmission conductor damaged.
Drawings
FIG. 1 is a front view of a high-pole insulated electric saw for power line maintenance according to the present invention;
FIG. 2 is a schematic cross-sectional view of a high-pole insulated electric saw for power line maintenance according to the present invention;
FIG. 3 is a schematic view of a protective lifting plate structure according to the present invention;
FIG. 4 is an enlarged structural view of a portion A in FIG. 2;
FIG. 5 is an enlarged schematic view of a portion B of FIG. 2;
FIG. 6 is an enlarged schematic view of a portion C of FIG. 2;
in the figure, 1 insulating telescopic rod, 2 electric telescopic rod, 3 insulating rod operating rod, 4 connecting seats, 5 main chain saw, 6 protective lifting plate, 7 arc-shaped protection plate, 8 connecting shafts, 9 guide lifting rod, 10 protective cutting assembly, 11 transverse chain saw, 12 vertical chain saw, 13 driving assembly, 14 driving motor, 15 double-row chain wheel, 16 supporting assembly, 17 arc-shaped supporting plate, 18 binding belt, 19 adjusting assembly, 20 main adjusting gear, 21 slave adjusting gear, 22 guide chain, 23 adjusting handle, 24 power assembly, 25 power motor, 26 driving chain wheel, 27 slave chain wheel, 28 transmission chain, 29 first containing cavity, 30 second containing cavity, 31 operating handle and 32 mounting seat.
Detailed Description
For a better understanding of the technical content of the present invention, the following detailed description is provided in conjunction with the accompanying drawings for further explanation of the present invention.
Example 1
Referring to fig. 1 to 6, the high-pole insulated electric saw for power line maintenance provided by the invention comprises an insulated telescopic rod 1, a main chain saw 5, a protective lifting plate 6, a protective cutting assembly 10 and a support assembly 16 capable of being tied on the body of an operator, wherein one end of the insulated telescopic rod 1 is detachably connected to the support assembly 16 through a universal joint, the detachable connection can enable a bolt to be fixed to play a role of supporting the insulated telescopic rod 1, the main chain saw 5 is arranged at the free end of the insulated telescopic rod 1, the main chain saw 5 can cut high branches near power transmission conductors, the protective lifting plate 6 is rotatably connected to the insulated telescopic rod 1 through an adjusting assembly 19, the protective lifting plate 6 can be sleeved outside the power transmission conductors to protect the power transmission conductors and lift branches suspended on the power transmission conductors, and the protective lifting plate 6 can be arranged above the power transmission conductors, the cutting and hanging tree branches are separated from a power transmission conductor, the protective effect is achieved, the tree branches hung on the power transmission conductor can be lifted by rotating a protective lifting plate 6, the cutting of a protective cutting assembly 10 is facilitated, the protective cutting assembly 10 is connected above the protective lifting plate 6 in an L shape, the hung tree branches can be prevented from moving backwards and can also be cut, the protective cutting assembly 10 is used for cutting the tree branches hung on the power transmission conductor, wherein the protective cutting assembly 10 comprises a transverse chain saw 11, a vertical chain saw 12 and a driving assembly 13, the driving assembly 13 is fixed on the protective lifting plate 6, the transverse chain saw 11 is arranged on the protective lifting plate 6 in parallel and can cut the tree branches in the transverse direction, the vertical chain saw 12 is vertically arranged on the protective lifting plate 6 and can cut the tree branches in the vertical direction, and play limiting displacement, avoid the branch to move backward, influence the cutting, drive assembly 13 is used for the drive horizontal chain saw 11 and vertical chain saw 12 rotate, wherein, drive assembly 13 includes driving motor 14 and double sprocket 15, driving motor 14 is fixed in on the protection lifting plate 6, driving motor 14's output shaft with double sprocket 15 is connected, horizontal chain saw 11 and vertical chain saw 12 are even double sprocket 15 meshes, and accessible driving motor 14 and double sprocket 15 cooperate, drive horizontal chain saw 11 and the branch that vertical chain saw 12 cut simultaneously and hang for the branch that hangs on the transmission wire drops, effectively avoids the branch that hangs to damage transmission wire.
Specifically, insulating telescopic link 1 includes electric telescopic link 2, insulator spindle action bars 3 and connecting seat 4, electric telescopic link 2's stiff end articulate in on the supporting component 16, electric telescopic link 2's removal end with connecting seat 4 is connected, the one end of insulator spindle action bars 3 is fixed in on the connecting seat 4, main chain saw 5 is located the free end of insulator spindle action bars 3, the length of accessible electric telescopic link 2 regulation insulating telescopic link 1.
Specifically, protection lifting plate 6 includes arc guard plate 7 and connecting axle 8, connecting axle 8 passes through adjusting part 19 rotate connect in insulating telescopic link 1's upper end, connecting axle 8 the free end with arc guard plate 7 is connected, the one end both sides of arc guard plate 7 are connected with direction lift bar 9, and direction lift bar 9 is located the both sides of transmission wire, is convenient for promote the branch that hangs from transmission wire's both sides, and for making things convenient for driving motor 14's installation, be equipped with mount pad 32 on the connecting axle 8, arc guard plate 7 can match with the transmission wire.
Specifically, adjusting part 19 includes main adjusting gear 20, from adjusting gear 21 and lead chain 22, main adjusting gear 20 with from adjusting gear 21 all with insulating telescopic link 1 rotates to be connected, main adjusting gear 20 through lead chain 22 with from adjusting gear 21 conveying connection, connecting axle 8 with connect from adjusting gear 21, main adjusting gear 20 is connected with adjusting handle 23, rotates adjusting handle 23 to through main adjusting gear 20, from adjusting gear 21 and lead the cooperation of chain 22, drive connecting axle 8 and rotate, and then can drive protection lifting plate 6, be convenient for promote the branch that hangs.
During the use, according to the needs of an operator, the support assembly 16 is fixed on the support assembly 16 through a universal joint, the support assembly 16 is bound on the waist of the operator, the main chain saw 5 extends to branches at the periphery of the power transmission conducting wire, the main chain saw 5 is started to cut the branches, the adjusting handle 23 is rotated, the adjusting handle 23 drives the main adjusting gear 20 to rotate, the connecting shaft 8 is driven to rotate under the cooperation of the main adjusting gear 21, the adjusting gear and the guide chain 22, the arc-shaped protection plate 7 is parallel to the power transmission conducting wire, the arc-shaped protection plate 7 covers the power transmission conducting wire from top to bottom, the guide lifting rods 9 are located on two sides of the power transmission conducting wire, the adjusting handle 23 continues to rotate, the free ends of the guide lifting rods 9 face downwards, the free ends of the guide lifting rods 9 are located below the hung branches, the adjusting handle 23 rotates reversely, the guide lifting rods 9 reversely rotate, the hung branches are lifted upwards to be separated from the power transmission conducting wire, the branches can be separated from the power transmission conducting wire under the lifting effect of the guide lifting effects of the guide lifting rods 9 and the forward movement of the operator, the branches can slide down to the horizontal chain saw 11, meanwhile, the vertical chain saw plays a role in cutting of the chain saw, the branch chain saw, and can be cut through the branch chain saw, and the branch chain saw can be cut through the branch chain saw after the branch chain saw, and the branch chain saw can be cut through the branch saw, and the branch saw can be cut through the branch saw.
Example 2
Referring to fig. 2 to 6, the present embodiment is different from embodiment 1 in that: the main chain saw 5 is driven by a power assembly 24, the power assembly 24 comprises a power motor 25, a driving chain wheel 26 and a driven chain wheel 27, the power motor 25 is fixed on the connecting seat 4, an output shaft of the power motor 25 is connected with the driving chain wheel, the driving chain wheel is in transmission connection with the driven chain wheel 27 through a transmission chain 28, the main chain saw 5 is meshed with the driven chain wheel 27, the power motor 25 is started, the power motor 25 drives the driving chain wheel 26 to rotate, the main chain saw 5 is driven to work through the matching of the driving chain wheel 26, the transmission chain 28 and the driven chain wheel 27, and the power motor 25 is installed in the connecting seat 4.
Specifically, be equipped with in the insulating bar and first hold chamber 29 and the second and hold chamber 30, power component 24 locates in the first chamber 29 that holds, adjusting part 19 locates in the second holds chamber 30, can separate adjusting part 19 and power component 24 for adjusting part 19 and power component 24 work do not influence each other.
Example 3
Referring to fig. 1 to 6, the present embodiment differs from embodiment 1 in that: the supporting component 16 comprises an arc-shaped supporting plate 17 and a binding belt 18, one end of the insulating telescopic rod 1 is hinged to the arc-shaped supporting plate 17, one end of the binding belt 18 is connected with the arc-shaped supporting plate 17, the free end of the binding belt 18 bypasses the waist of an operator and is connected with the other end of the arc-shaped supporting plate 17 in a buckling mode, the arc-shaped supporting plate 17 is placed in the abdomen position of the operator, the free end of the binding belt 18 bypasses the waist of the operator and is connected with the other end of the arc-shaped supporting plate 17 in a buckling mode, the insulating telescopic rod 1 is convenient to support, an operating handle 31 is connected to the insulating operating rod in a sliding mode, the operating handle 31 can be operated by sliding on the insulating telescopic rod 1, the operating handle 31 is convenient to operate at a proper position, and the insulating telescopic rod 1 is convenient to stabilize.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A high pole insulation electric saw for power line maintenance which characterized in that: including insulating telescopic link, main chain saw, protection lifting plate, protection cutting assembly and can tie up the supporting component who hangs on one's body in the operator, the one end of insulating telescopic link pass through the universal joint dismantle connect in on the supporting component, the free end of insulating telescopic link is equipped with main chain saw, the protection lifting plate pass through adjusting part rotate connect in on the insulating telescopic link, the protection lifting plate can overlap and establish the upper portion at transmission line to realize protecting transmission line and promote the branch that hangs on transmission line, the protection cutting assembly be the L type connect in the top of protection lifting plate, the protection cutting assembly is used for the cutting to hang the branch on transmission line.
2. A high pole insulation power saw for power line maintenance as claimed in claim 1, wherein: the insulation telescopic rod comprises an electric telescopic rod, an insulation rod operating rod and a connecting seat, the fixed end of the electric telescopic rod is hinged to the supporting assembly, the moving end of the electric telescopic rod is connected with the connecting seat, one end of the insulation rod operating rod is fixed to the connecting seat, and the main chain saw is arranged at the free end of the insulation rod operating rod.
3. A high pole insulation power saw for power line maintenance as claimed in claim 1, wherein: the protection cutting assembly comprises a transverse chain saw, a vertical chain saw and a driving assembly, the driving assembly is fixed on the protection lifting plate, the transverse chain saw is arranged on the protection lifting plate in parallel, the vertical chain saw is vertically arranged on the protection lifting plate, and the driving assembly is used for driving the transverse chain saw and the vertical chain saw to rotate.
4. A high pole insulation power saw for power line maintenance as claimed in claim 3, wherein: the driving assembly comprises a driving motor and double-row chain wheels, the driving motor is fixed on the protective lifting plate, an output shaft of the driving motor is connected with the double-row chain wheels, and the horizontal chain saw and the vertical chain saw are uniform and meshed with the double-row chain wheels.
5. A high pole insulation power saw for power line maintenance as claimed in claim 1, wherein: the protection lifting plate comprises an arc-shaped protection plate and a connecting shaft, the connecting shaft passes through the adjusting assembly is rotatably connected to the upper end of the insulating telescopic rod, the free end of the connecting shaft is connected with the arc-shaped protection plate, and two sides of one end of the arc-shaped protection plate are connected with the guide lifting rod.
6. The high pole insulation electric saw for power line maintenance as claimed in claim 5, wherein: the adjusting part comprises a main adjusting gear, a slave adjusting gear and a guide chain, the main adjusting gear and the slave adjusting gear are connected with the insulating telescopic rod in a rotating mode, the main adjusting gear is connected with the slave adjusting gear in a conveying mode through the guide chain, the connecting shaft is connected with the slave adjusting gear, and the main adjusting gear is connected with an adjusting handle.
7. A high pole insulation power saw for power line maintenance as claimed in claim 2, wherein: the main chain saw is driven by a power assembly, the power assembly comprises a power motor, a driving chain wheel and a driven chain wheel, the power motor is fixed on the connecting seat, an output shaft of the power motor is connected with the main chain wheel, the main chain wheel is in transmission connection with the driven chain wheel through a transmission chain, and the main chain saw is meshed with the driven chain wheel.
8. The high pole insulation electric saw for power line maintenance as claimed in claim 7, wherein: be equipped with first chamber and the second of holding in the insulating bar and hold the chamber, power component locates first intracavity that holds, adjusting part locates the second holds the intracavity.
9. A high pole insulation power saw for power line maintenance as claimed in claim 2, wherein: the supporting component comprises an arc-shaped supporting plate and a binding band, one end of the insulating telescopic rod is hinged to the arc-shaped supporting plate, one end of the binding band is connected with the arc-shaped supporting plate, and the free end of the binding band is connected with the other end of the arc-shaped supporting plate in a buckling mode after bypassing the waist of an operator.
10. The high pole insulation electric saw for power line maintenance as claimed in claim 8, wherein: and the insulating operating rod is connected with an operating handle in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211201738.5A CN115568345A (en) | 2022-09-29 | 2022-09-29 | High-pole insulation electric saw for power line maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211201738.5A CN115568345A (en) | 2022-09-29 | 2022-09-29 | High-pole insulation electric saw for power line maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115568345A true CN115568345A (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211201738.5A Pending CN115568345A (en) | 2022-09-29 | 2022-09-29 | High-pole insulation electric saw for power line maintenance |
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| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746189A (en) * | 2016-04-27 | 2016-07-13 | 国家电网公司 | Branch cutting and sawing device close to transmission line in electric system and use method |
| CN107484563A (en) * | 2017-08-25 | 2017-12-19 | 陈先刚 | A kind of knockdown distribution line tree branch pruning tool |
| CN208490318U (en) * | 2018-07-24 | 2019-02-15 | 宋夕杰 | The safe clipping device of high-altitude branch |
| CN110073832A (en) * | 2019-05-07 | 2019-08-02 | 浙江亚特电器有限公司 | A kind of trunk side shoot trimming manipulator |
| CN110393097A (en) * | 2019-08-26 | 2019-11-01 | 国网河南省电力公司漯河供电公司 | Branch cleaning plant around a kind of transmission line of electricity |
| CN211210631U (en) * | 2019-09-09 | 2020-08-11 | 内蒙古电力(集团)有限责任公司包头供电局 | High branch obstacle clearing device for power transmission line obstacle clearing |
| CN113557861A (en) * | 2021-06-04 | 2021-10-29 | 刘昌灏 | Trimming platform capable of leveling power transmission line |
-
2022
- 2022-09-29 CN CN202211201738.5A patent/CN115568345A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105746189A (en) * | 2016-04-27 | 2016-07-13 | 国家电网公司 | Branch cutting and sawing device close to transmission line in electric system and use method |
| CN107484563A (en) * | 2017-08-25 | 2017-12-19 | 陈先刚 | A kind of knockdown distribution line tree branch pruning tool |
| CN208490318U (en) * | 2018-07-24 | 2019-02-15 | 宋夕杰 | The safe clipping device of high-altitude branch |
| CN110073832A (en) * | 2019-05-07 | 2019-08-02 | 浙江亚特电器有限公司 | A kind of trunk side shoot trimming manipulator |
| CN110393097A (en) * | 2019-08-26 | 2019-11-01 | 国网河南省电力公司漯河供电公司 | Branch cleaning plant around a kind of transmission line of electricity |
| CN211210631U (en) * | 2019-09-09 | 2020-08-11 | 内蒙古电力(集团)有限责任公司包头供电局 | High branch obstacle clearing device for power transmission line obstacle clearing |
| CN113557861A (en) * | 2021-06-04 | 2021-10-29 | 刘昌灏 | Trimming platform capable of leveling power transmission line |
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