CN112243724A - Equipment for clearing overhead line tree barrier - Google Patents
Equipment for clearing overhead line tree barrier Download PDFInfo
- Publication number
- CN112243724A CN112243724A CN202011210635.6A CN202011210635A CN112243724A CN 112243724 A CN112243724 A CN 112243724A CN 202011210635 A CN202011210635 A CN 202011210635A CN 112243724 A CN112243724 A CN 112243724A
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- Prior art keywords
- cutting
- driving
- guide
- cutting wire
- clearing
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- 230000004888 barrier function Effects 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 19
- 125000004122 cyclic group Chemical group 0.000 abstract description 7
- 238000013021 overheating Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Electric Cable Installation (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses equipment for clearing tree barriers of overhead lines, which comprises a driving seat and an adjustable mechanical arm, wherein the driving seat is self-propelled along a cable, the adjustable mechanical arm is arranged on the driving seat, a cyclic alternating part, a driving part and a plurality of cutting wires are arranged on the adjustable mechanical arm, the plurality of cutting wires are sequentially connected end to end through the cyclic alternating part and the driving part to form a cutting part, the cyclic alternating part comprises two supporting frames for supporting the cutting wires, a cutting area for clearing the tree barriers is formed between the two supporting frames, guide pieces sleeved on the cutting wires are arranged on the two supporting frames, when the equipment is used, the plurality of cutting wires can be alternatively moved to a cutting position through a reciprocating driving assembly to cut the tree barriers, the cutting of the tree barriers is realized through the alternating movement of the plurality of cutting wires, and the problem that the cutting wires are easy to damage due to overheating can be avoided, and the problem that the cutting line is easy to be blocked or broken due to the shaking of the equipment can be avoided.
Description
Technical Field
The invention relates to the technical field of electric power engineering, in particular to equipment for clearing tree obstacles on an overhead line.
Background
Trees growing on two sides of a power transmission line are tall and big, influence is easily caused on the line, and finally a power dangerous accident is formed, particularly in summer, the tree grows fast, the lightning and the rain are easy to strike, once branches of the trees are wound, dangerous distances are easily generated between the trees and the line, and the line is tripped, so that tree obstacles are cleaned at any time, the problem that the line is broken and power failure accidents caused by winding and dumping of the branches of the trees are avoided before the rainstorm comes, the problem that the tree line is conductive except for tripping is possibly generated, and therefore the trees around the power transmission line must be cleaned and checked regularly to avoid potential safety hazards.
The environment of laying of transmission line is comparatively complicated, and this just causes that the tree barrier on can't all circuits carries out artificial clearance, and nevertheless to the robot of the clearance of transmission line tree barrier, mostly adopt the cutting wheel to carry out the mode of cutting to walk on the transmission line and cut the tree barrier, but it is consequently operated by the staff on the transmission line, and this leads to its easy problem that card and collapse to appear because of rocking and lead to the cutting wheel at the in-process of cutting.
Disclosure of Invention
The invention aims to provide equipment for clearing tree obstacles of an overhead line, and the equipment is used for solving the technical problems that in the prior art, a robot for clearing tree obstacles on a power transmission line through a cutting wheel is easy to shake to cause cutting wheel clamping and breakage.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
the equipment for clearing the overhead line tree barrier comprises a driving seat and an adjustable mechanical arm, wherein the driving seat is self-walking along a cable, the adjustable mechanical arm is arranged on the driving seat, a cyclic alternating part, a driving part and a plurality of cutting wires are arranged on the adjustable mechanical arm, and the plurality of cutting wires are sequentially connected end to end through the cyclic alternating part and the driving part to form a cutting part;
the circulation alternation portion includes that two are used for the support frame that supports the cutting wire, two form the cutting area to the clearance of tree barrier between the support frame, two all be provided with the guide of cover on the cutting wire on the support frame, and the drive the guide makes the cutting wire reciprocate in the cutting position and wait the reciprocal drive assembly between the cutting position, reciprocal drive assembly drives the guide on a plurality of cutting wires in proper order and makes a plurality of cutting wire alternate motion to the cutting position cut the tree barrier.
As a preferable scheme of the present invention, the reciprocating driving assembly includes a crankshaft driven by the first driving motor and disposed perpendicular to an axial direction of the cutting wire, the crankshaft is provided with a plurality of crank throws matched with the guide, each of the plurality of crank throws is provided with a connecting rod member connected with the guide, and the crankshaft makes the cutting wire reciprocate between the cutting position and the position to be cut through the connecting rod member connected with the guide.
In a preferred embodiment of the present invention, the plurality of crank throws are arranged at equal intervals in order along the circumference in the axial direction.
As a preferable scheme of the present invention, the guide member includes a guide disc and a guide groove provided on the guide disc, a guide sleeve which is sleeved on the cutting wire and used for controlling a movement track of the cutting wire is slidably connected in the guide groove, and the guide sleeve is connected with the crankshaft through a connecting rod member.
As a preferable scheme of the invention, a group of guide rollers for guiding the cutting wire are oppositely arranged at both ends of the guide sleeve, and a plurality of irregularly distributed transmission assemblies are arranged on the inner wall of the guide sleeve and are used for transmitting the cutting wire to pass through the guide sleeve.
As a preferable scheme of the invention, the transmission assembly comprises a limit plate which is connected with the guide sleeve in a sliding mode along the radial direction of the guide sleeve through a spring, and a plurality of transmission rollers are arranged on one side, facing the central axis direction of the guide sleeve, of the limit plate.
As a preferable scheme of the invention, the limiting plate is an arc-shaped structure protruding towards the central axis direction of the guide sleeve.
As a preferable scheme of the present invention, the driving portion includes a pair of driving wheels abutting against the cutting wire, and a follower roller slidably connected to the adjustable mechanical arm through a spring, one of the driving wheels is driven by a second driving motor, the cutting wire is sequentially arranged through the driving wheels and the follower roller, and the cutting wire is circularly moved by the rotation of the driving wheels.
In a preferred embodiment of the present invention, the cutting filament has a surface on which cutting blocks having a dense and thorn-like structure are formed.
As a preferable scheme of the invention, the side surface of the driving wheel is provided with dense arc-shaped grooves in an annular array relative to the central axis of the driving wheel, and triangular clamping blocks matched with the cutting blocks are connected in the arc-shaped grooves in a sliding mode.
Compared with the prior art, the invention has the following beneficial effects:
when the tree barrier cutting device is used, the plurality of cutting wires can be alternately moved to the cutting position through the reciprocating driving assembly to cut the tree barrier, and the tree barrier can be cut through the alternate movement of the plurality of cutting wires, so that the problem that the cutting wires are easily damaged due to overheating can be avoided, and the problem that the cutting wires are easily blocked or broken due to the shaking of the device can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the cyclically alternating portion in the embodiment of the present invention;
FIG. 3 is a schematic view of a connection structure of a driving wheel and a cutting wire according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a driving wheel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a guide sleeve in an embodiment of the invention.
The reference numerals in the drawings denote the following, respectively:
1-cutting the block; 2-a support frame; 3-a cyclical alternating section; 4-a drive section; 5-cutting the filaments; 6-a guide; 7-a reciprocating drive assembly; 8-a first drive motor; 9-a second drive motor;
401-driving wheels; 402-follow-up roller; 403-arc-shaped groove; 404-triangular fixture block; 601-a guiding disc; 602-a guide slot; 603-a guide sleeve; 604-guide rollers; 605-a transmission component; 606-a limiting plate; 607-a drive roller;
701-a crankshaft; 702-a bell crank; 703-link members.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention provides an apparatus for clearing an overhead line tree obstacle, which includes a driving seat for self-walking along a cable, and an adjustable mechanical arm disposed on the driving seat, the adjustable mechanical arm is a prior art, and mainly enables the apparatus disposed on the adjustable mechanical arm to freely extend to a designated position at a designated angle, and the driving seat is preferably mountable on an unmanned aerial vehicle, that is, the apparatus can be placed on a power transmission cable through an inorganic machine, so as to avoid the problem that a worker needs to frequently ascend during use, and the operability and safety are higher.
The adjustable mechanical arm is provided with a cyclic alternating part 3, a driving part 4 and a plurality of cutting wires 5, the plurality of cutting wires 5 are sequentially connected end to end through the cyclic alternating part 3 and the driving part 4 to form a cutting part,
the cutting wire 5 is in an end-to-end connection structure, namely in the using process, the cutting wire 5 can be circularly rotated around a specified path through the driving part 4, further, the cutting of the tree barrier can be completed through the movement of the cutting wire 5, compared with the cutting of a traditional cutting wheel, the cutting wire is not easy to break or clamp due to the vibration or swing of equipment during cutting, and is more suitable for cleaning the tree barrier on a cable.
In addition, the cutting wire 5 is preferably a high-strength molybdenum wire or a wire made of other high-strength metal materials, so that the problem that the cutting wire 5 is not easy to break due to abrasion or other accidental factors when the cutting wire is used is solved, the cutting wire can be freely bent to a certain extent like a cable, the space occupied by the equipment can be further reduced, the cutting wire is more suitable for small-sized equipment, and the portability of the cutting wire can be greatly improved.
The circulation alternation portion 3 comprises two support frames 2 used for supporting the cutting wires 5, a cutting area for cleaning the tree barriers is formed between the two support frames 2, guide pieces 6 sleeved on the cutting wires 5 are arranged on the two support frames 2, the guide pieces 6 are driven to enable the cutting wires to reciprocate between the cutting positions and the positions to be cut, and the reciprocating driving components 7 sequentially drive the guide pieces 6 on the cutting wires 5 to enable the cutting wires 5 to alternatively move to the cutting positions to cut the tree barriers.
Arrange the cutting wire 5 between two support frames 2 in for the cutting zone of cutting the tree barrier, when the clearance tree barrier, mainly adjust the position in cutting zone through adjustable arm, further make the cutting wire 5 in the cutting zone can cut the tree barrier with appointed angle, guarantee that the stability of cutting goes on.
During cutting, the plurality of cutting wires 5 are cut alternately, so that the abrasion of a single cutting wire 5 during cutting of a thicker tree barrier can be reduced, and the problem that the service life of the cutting wire 5 is sharply shortened due to the fact that the single cutting wire 5 generates high temperature due to continuous cutting can be avoided.
As shown in fig. 1, 2 and 5, the reciprocating driving assembly 7 includes a crankshaft 701 driven by the first driving motor 8 and disposed perpendicular to the axial direction of the cutting wire 5, the crankshaft 701 is provided with a plurality of crank throws 702 matched with the guide 6, each of the plurality of crank throws 702 is provided with a link member 703 connected with the guide 6, and the crankshaft 701 reciprocates the cutting wire 5 between the cutting position and the position to be cut through the link member 703 connected with the guide 6.
The connecting component 703 is a conventional connecting rod transmission component, and is mainly used for changing the transmission direction of force, here, the circular motion of the crank throw 702 on the crankshaft 701 is mainly converted into the reciprocating motion of the guide 6 along a specified path, here, the cutting positions which can be finally reached by the plurality of cutting wires 5 carried by the guide 6 are the same, the cutting of the tree obstacles by the plurality of cutting wires 5 in a matched manner is ensured, and the problem that the cutting efficiency is greatly reduced due to the independent work of the cutting wires is avoided.
The extension directions of the axes of the crank throws 702 are sequentially distributed at equal intervals on the circumference, and here, the positions of the cutting wires 5 are controlled to have a certain difference mainly through the crank throws 702, so that when the crankshaft 701 rotates, the cutting wires 5 can sequentially move to the cutting positions to cut the tree barriers, and alternate cutting is realized.
The guide 6 comprises a guide disc 601 and a guide groove 602 arranged on the guide disc 601, a guide sleeve 603 which is sleeved on the cutting wire 5 and is used for controlling the motion trail of the cutting wire 5 is connected in the guide groove 602 in a sliding way, the guide sleeve 603 is connected with the crankshaft 701 through a connecting rod component,
the guide sleeve 603 is mainly used for fixing the position of the cutting wire 5, so that the position of the cutting wire 5 can be stably fixed when the crankshaft 701 moves, meanwhile, the motion track of the guide sleeve 603 is conveniently limited by the guide groove 602 on the guide disc 601, and the problem that when the crankshaft 701 moves, the final position of the movement of the cutting wire 5 is deviated from a set cutting position due to the fact that the final position of the movement of the cutting wire and the set cutting position exist, and further the cutting of tree barriers at the synchronous position cannot be synchronously cooperated by a plurality of cutting wires 5 is solved.
The both ends of uide bushing 603 all are provided with the relative a set of guide roller 604 that is provided with the direction to cutting wire 5, are located to be provided with a plurality of transmission assembly 605 that are irregular shape and distribute on the inner wall of uide bushing 603, and transmission assembly 605 is used for conducting cutting wire 5 and passes through uide bushing 603, and transmission assembly 605 includes the limiting plate 606 through spring along uide bushing 603 radial direction sliding connection, and one side of limiting plate 606 orientation uide bushing 603 the central axis direction is provided with a plurality of transmission rollers 607.
The guide roller 604 is mainly used for guiding and preventing the guide roller from directly contacting with the guide sleeve 604 to cause the problem that the guide sleeve 604 is greatly abraded, and the transmission assembly 605 is used for assisting the movement of the cutting wire 5 when the cutting wire 5 moves in the guide sleeve 604, namely, the cutting wire 5 is prevented from directly contacting with the inner wall of the guide sleeve 604 through the movement of the transmission roller 607, so that the damage to the inner wall of the guide sleeve 604 caused by friction can be avoided.
The limiting plate 606 enables the transmission roller 607 to move within a certain range under the action of the spring, so that the transmission roller can follow the movement of the cutting wire 5 to make adaptive adjustment, and the normal movement of the cutting wire 5 is ensured.
The limiting plate 606 is an arc-shaped structure protruding toward the central axis of the guiding sleeve 603, and is mainly used for avoiding the problem that the cutting wire 5 is easily clamped between two adjacent transmission assemblies 605.
As shown in fig. 1, 3 and 4, the driving part 4 includes a pair of driving wheels 401 abutting against the cutting wire 5, and a follower roller 402 slidably connected to the adjustable mechanical arm 2 through a spring, wherein one of the driving wheels 401 is driven by the second driving motor 9, the cutting wire 5 is sequentially disposed through the driving wheel 401 and the follower roller 402, and the cutting wire 5 is circularly moved by the rotation of the driving wheel 401.
The follow-up roller 402 is mainly used for buffering the movement of the cutting wire 5, namely in the using process, the total length of the cutting wire 5 is unchanged, but the cutting wire 5 needs to move back and forth between a cutting position and a position to be cut, so that a certain buffering length needs to be reserved for the cutting wire 5 during movement, and the follow-up roller 402 is connected to the adjustable mechanical arm in a sliding mode through a spring, so that the position of the follow-up roller 402 can be adjusted adaptively along with the change of the position of the cutting wire 5, the cutting wire 5 can be further guaranteed to be kept in a tightened state all the time, and the problem that the cutting wire is difficult to cut tree barriers due to the fact that the follow-up roller 402 is too loose is solved.
One of the driving wheels 401 is preferably abutted to the other driving wheel 401 through a spring, and the movement of driving the cutting wire 5 through the rotation of the driving wheel 401 is realized through the abutted force, and the cutting wire 5 is not completely fixed, so that when the problem of blocking is caused, the follow-up roller 402 can move to buffer the blocking force, the damage to the second driving motor 9 caused by sudden stop can be avoided, and the safety of the driving motor in operation can be effectively improved.
The cutting wire 5 is provided with dense cutting blocks 1 with thorn-shaped structures on the surface, the cutting blocks 1 are main cutting structures on the cutting wire 5, namely, a part of cutting scraps are scraped and driven by the movement of the cutting blocks 1, the cutting seams can be gradually deepened by gradually scraping, and finally, the part blocking the power transmission line can be cut off.
The side surface of the driving wheel 401 is provided with dense arc-shaped grooves 403 in an annular array around the central axis of the driving wheel 401, and a triangular clamping block 404 matched with the cutting block 1 is connected in a sliding mode in the arc-shaped grooves 403.
In actual use, the triangular block 404 can be adapted to the position of the cutting block 1, so that the cutting wire 5 can be stably engaged with the driving wheel 401.
The whole working process is that the first driving motor 8 rotates the crankshaft 701, the crankshaft 701 drives the guide sleeve 603 to move in a reciprocating manner along a specified path through the connecting rod component connected with the crank throws 702, and the positions of the plurality of crank throws 702 are different from each other, so that the positions of the cutting wires 5 can be changed through the guide sleeve 603, the plurality of cutting wires 5 can move to the cutting positions alternately, and further, when the cutting wires 5 are driven 9 to move through the second driving motor, the tree barriers can be cut and cleaned.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (9)
1. The equipment for clearing the overhead line tree barrier comprises a driving seat and an adjustable mechanical arm, wherein the driving seat is self-propelled along a cable, the adjustable mechanical arm is arranged on the driving seat, and the equipment is characterized in that a circulating alternating part (3), a driving part (4) and a plurality of cutting wires (5) are arranged on the adjustable mechanical arm, and the plurality of cutting wires (5) are sequentially connected end to end through the circulating alternating part (3) and the driving part (4) to form a cutting part;
the circulating alternating part (3) comprises two support frames (2) used for supporting the cutting wires (5), a cutting area for cleaning the tree barrier is formed between the two support frames (2), guide pieces (6) sleeved on the cutting wires (5) are arranged on the two support frames (2), a reciprocating driving assembly (7) for driving the guide pieces (6) to drive the cutting wires to reciprocate between a cutting position and a position to be cut is arranged on the two support frames (2), and the reciprocating driving assembly (7) sequentially drives the guide pieces (6) on the cutting wires (5) to enable the cutting wires (5) to move to the cutting position alternately to cut the tree barrier;
the cutting wire cutting machine is characterized by further comprising a first driving motor (8), the reciprocating driving assembly (7) comprises a crankshaft (701) arranged in the direction perpendicular to the axial direction of the cutting wire (5), the first driving motor (8) is in driving connection with the crankshaft (701), a plurality of crank throws (702) matched with the guide pieces (6) are arranged on the crankshaft (701), connecting rod members (703) connected with the guide pieces (6) are arranged on the crank throws (702), and the cutting wire (5) is made to move between the cutting position and the position to be cut through the connecting rod members (703) connected with the guide pieces (6) by the crankshaft (701).
2. An apparatus for clearing overhead line barriers according to claim 1 wherein the axis extension of the bell cranks (702) is distributed equally in sequence around the circumference.
3. The apparatus for clearing overhead line tree barriers according to claim 1 is characterized in that the guide member (6) comprises a guide disc (601) and a guide groove (602) formed on the guide disc (601), a guide sleeve (603) is slidably connected in the guide groove (602), the guide sleeve (603) is sleeved on the cutting wire (5), and the guide sleeve (603) is connected with a crankshaft (701) through a connecting rod member.
4. The equipment for clearing the overhead line tree barrier is characterized in that a group of guide rollers (604) for guiding the cutting wire (5) are arranged at two ends of the guide sleeve (603) oppositely, a plurality of transmission assemblies (605) are arranged on the inner wall of the guide sleeve (603), the transmission assemblies (605) are distributed irregularly, and the transmission assemblies (605) are used for conducting the cutting wire (5) to pass through the guide sleeve (603).
5. The equipment for clearing overhead line barriers according to claim 4 is characterized in that the transmission assembly (605) comprises a limiting plate (606) which is connected in a sliding mode along the radial direction of a guide sleeve (603) through a spring, and a plurality of transmission rollers (607) are arranged on the limiting plate (606).
6. The equipment for clearing overhead line obstacles according to claim 5, wherein the limiting plate (606) is an arc-shaped structure protruding towards the central axis direction of the guide sleeve (603).
7. An apparatus for clearing overhead lines of trees as claimed in claim 1, wherein the driving part (4) comprises a pair of driving wheels (401) against the cutting wire (5) and a following roller (402) connected to the adjustable mechanical arm by a spring in a sliding manner, wherein one of the driving wheels (401) is driven by a second driving motor (9), the cutting wire (5) is arranged to pass through the driving wheel (401) and the following roller (402) in sequence, and the cutting wire (5) is made to move circularly by the rotation of the driving wheel (401).
8. The apparatus for clearing overhead lines of obstacles, as claimed in claim 7, characterized in that the surface of the cutting wire (5) is formed with cutting blocks (1) of dense and thorn-like structure.
9. The apparatus for clearing overhead lines of tree barriers as claimed in claim 8 wherein the side of the driving wheel (401) has a dense circular arc slot (403) with respect to the central axis of the driving wheel (401), and a triangular block (404) matching the cutting block (1) is slidably connected in the circular arc slot (403).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210635.6A CN112243724B (en) | 2020-11-03 | 2020-11-03 | Equipment for clearing overhead line tree barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011210635.6A CN112243724B (en) | 2020-11-03 | 2020-11-03 | Equipment for clearing overhead line tree barrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112243724A true CN112243724A (en) | 2021-01-22 |
| CN112243724B CN112243724B (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011210635.6A Active CN112243724B (en) | 2020-11-03 | 2020-11-03 | Equipment for clearing overhead line tree barrier |
Country Status (1)
| Country | Link |
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| CN (1) | CN112243724B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114097451A (en) * | 2021-11-26 | 2022-03-01 | 广东电网有限责任公司 | Tree obstacle clearing device |
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2020
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| Publication number | Publication date |
|---|---|
| CN112243724B (en) | 2022-06-03 |
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