CN115152451A - Ultrahigh tree trimming device for high-voltage live operation line - Google Patents
Ultrahigh tree trimming device for high-voltage live operation line Download PDFInfo
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- CN115152451A CN115152451A CN202210674234.9A CN202210674234A CN115152451A CN 115152451 A CN115152451 A CN 115152451A CN 202210674234 A CN202210674234 A CN 202210674234A CN 115152451 A CN115152451 A CN 115152451A
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- pruning
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- walking
- operation line
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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
- A01G3/088—Circular saws
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The invention provides an ultrahigh tree pruning device for a high-voltage live operation line, which relates to the field of ultrahigh tree pruning of a power transmission line, and adopts the following scheme: running gear including two parallel arrangement, running gear removes along two power transmission lines in the outside respectively, the running gear below all is provided with coupling assembling, coupling assembling includes the insulating part, coupling assembling corresponds the end with the mounting panel respectively and is connected, be provided with the mounting groove on the mounting panel, equal movably rack that is provided with on two cell walls of mounting groove, the one end of rack all meshes with drive gear, the one end that drive gear was kept away from to the rack all is connected with the pruning electric saw, the pruning electric saw can be followed the mounting groove and removed, the moving direction of pruning electric saw is perpendicular with running gear's moving direction, drive gear is connected with pruning driving motor, pruning driving motor installs on the mounting panel. The invention has better balance, prevents derailment caused by the movement of the trimming electric saw, ensures better trimming efficiency and trimming quality, and can work under the condition that the power transmission line is not cut off.
Description
Technical Field
The invention relates to the field of power transmission line ultrahigh tree pruning, in particular to an ultrahigh tree pruning device for a high-voltage live-line operation line.
Background
When trees below the power transmission line exceed a certain height and meet storms, insulation breakdown and short circuit can be caused, and the discharge, power failure and disconnection accidents of most domestic lines are caused by overgrowth of tall trees in the power transmission corridor, so that in a high-voltage live operation line, the maintenance and erection work of the power transmission line comprises pruning branches of the trees close to the power transmission line; in the related technology, the walking device is arranged on a power transmission line, the trimming electric saw is connected below the walking device, trees can be trimmed from the lower part of the power transmission line, the work of erecting a suspension arm is omitted, and the safety is improved; on the other hand, the trees under the power transmission line need to be cut off for ensuring the operation safety, which brings inconvenience to the production and life of people.
Therefore, in view of the current situation of the prior art, it is an urgent need to develop an ultrahigh tree pruning device for a high-voltage live operation line.
The above information disclosed in this background section is only for background understanding of the inventive concept and, therefore, it may contain information that does not constitute prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the ultrahigh tree trimming device for the high-voltage live operation line, which has better balance, prevents the traveling device from derailing due to the movement of the trimming electric saw, ensures better trimming efficiency and trimming quality, and can work under the condition that the power transmission line is not cut off.
The technical scheme adopted by the invention for solving the technical problems is as follows: the ultrahigh tree pruning device for the high-voltage live operation line comprises two walking devices which are arranged in parallel, wherein the walking devices respectively move along two outer power transmission lines, a connecting assembly is arranged below each walking device and comprises an insulating member and is respectively connected with the corresponding end of a mounting plate, a mounting groove is formed in each mounting plate, racks are movably arranged on two groove walls of each mounting groove, one end of each rack is meshed with a driving gear, one end, far away from the driving gear, of each rack is connected with a pruning electric saw, the pruning electric saw can move along the mounting groove, the moving direction of the pruning electric saw is perpendicular to the moving direction of the walking devices, the driving gear is connected with a pruning driving motor, and the pruning driving motor is mounted on the mounting plates. On the one hand can increase the support intensity of transmission line to this device and the stability of device through setting up two running gear and moving along the transmission line respectively, reduce the probability that this device derails, on the other hand, it can keep pruning electric saw removal in-process stable to have set up two pruning electric saws that can move in opposite directions or back to back of the body mutually, two pruning electric saws receive the reaction force of trees and can also offset partly each other simultaneously, realized preventing to the promotion of whole device stability and causing the running gear derail because of pruning electric saw removes, two pruning electric saws can also improve pruning efficiency, and have through setting up the insulating part with running gear, the effect of mounting panel and pruning subassembly electrical insulation isolation, can carry out work under the circumstances that the transmission line does not have a power failure.
Furthermore, the traveling device comprises a shell, a traveling driving motor is arranged in the shell, the traveling driving motor is connected with a driving wheel, the driving wheel is detachably arranged on the shell, a driven wheel is detachably arranged on the shell, a supporting wheel is arranged between the driving wheel and the driven wheel, the driving wheel and the driven wheel are located above the power transmission line when the traveling device moves, and the supporting wheel is located below the power transmission line. The supporting wheel can increase the power transmission line and the driving wheel and the fitting length from the driving wheel, and the friction force is increased to avoid the pulley to increase the contact area simultaneously to prevent derailment.
Furthermore, both ends of the supporting wheel are provided with elastic supporting columns. The supporting wheel can always keep the supporting force for the power transmission line, the supporting force for the power transmission line is not reduced due to the abrasion of the supporting wheel, the device is convenient to install and use on the other hand, and the abrasion caused by the excessive contact of various wheels and the power transmission line is avoided.
Furthermore, wire grooves are formed in the circumferential surfaces of the driving wheel, the driven wheel and the supporting wheel. The probability of derailment can be reduced.
Furthermore, a non-return assembly is arranged on the driving wheel and/or the driven wheel and comprises a ratchet wheel, the ratchet wheel is arranged on a rotating shaft of the driving wheel and/or the driven wheel, a pawl is rotatably arranged at a corresponding position on the shell, a return spring is arranged on the pawl, and the return spring is rotatably connected with the rotating shaft. The running gear can be prevented from running backwards under the action of external force.
Furthermore, the trimming electric saw comprises a moving seat, the moving seat is connected with the rack, sliding blocks are arranged on two sides of the moving seat, the sliding blocks can move along a guide rail on the groove wall of the mounting groove, the guide rail is located below the rack, a trimming motor is arranged below the moving seat, and the trimming motor is connected with a trimming saw blade. Can provide the direction for the removal of pruning electric saw and avoid taking place the card pause in the removal process.
Furthermore, the insulating part comprises a plurality of sub-insulating parts, each sub-insulating part is of an umbrella-shaped structure, the lower part of each insulating part is connected with a telescopic rod, and the lower end of each telescopic rod is connected with the corresponding end of the corresponding mounting plate. The safety of the device can be enhanced, the trimming height can be adjusted according to the requirements of different lines, and the device is flexible to use; through can increasing electric flashover distance, make running gear more thorough with the electrical isolation of mounting panel, pruning electric saw, further promoted the security of this device, can use under high-voltage line live working, do not need the circuit to have a power failure, avoid causing inconvenience.
Furthermore, a storage battery is arranged in the shell, the walking driving motor, the trimming driving motor and the trimming motor are all electrically connected with the storage battery, and a photovoltaic panel is arranged on the storage battery. The circuit layout can be reduced and the energy can be saved.
The walking driving motor, the trimming driving motor and the trimming motor are all electrically connected with the control device. The control device can be used for monitoring and adjusting the trimming operation.
Furthermore, a standby pull rope is further arranged on the shell. When the device fails and cannot move, the device can be pulled to a proper position through a standby pull rope to be detached.
According to the technical scheme, the invention has the following advantages:
the scheme provides the ultrahigh tree pruning device for the high-voltage live-line operation line, the supporting strength and the stability of a power transmission line to the device can be enhanced through the matching of the double traveling devices and the double pruning electric saws, the integral gravity center is kept still, and derailment caused by the movement of the pruning electric saws is prevented; the contact area of the transmission line and the wheels can be increased by matching the driving wheel, the supporting wheel and the driven wheel, so that the derailment probability is reduced; the reverse running of the device can be prevented through the non-return component, and the device is suitable for being used when a slope angle is formed and thicker trees are trimmed; the operation can be controlled according to the tree condition through the control device and the camera, so that high-quality pruning is guaranteed; the pruning height can be adjusted according to specific requirements through the telescopic rod, so that the application range is widened; the insulating part can be used for operation under the condition that the power transmission line is not powered off, so that the influence on production and life is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a second structural diagram of the embodiment of the invention.
Fig. 3 is an enlarged view of a point a in fig. 1.
Fig. 4 is a plan view of the running gear according to the embodiment of the present invention.
Fig. 5 is a schematic view of an assembly structure of the mounting plate, the rack, the trimming driving motor, the driving gear and the moving seat in the embodiment of the present invention.
Fig. 6 is a schematic view of an assembly structure of a mounting plate, a rack, a movable seat and a driving gear according to an embodiment of the present invention.
In the figure, 1, a walking device 101, a housing 102, a walking driving motor 103, a rotating shaft 104, a backstop component 1041, a ratchet wheel 1042, a screw 1043, a pawl 1044, a return spring 1045, a mounting sleeve 105, a driving wheel 106, a supporting wheel 107, an elastic support column 108, a coupling 109, a driven wheel 110, a bolt 2, a connecting component 201, an insulating component 202, a telescopic rod 3, a mounting plate 301, a mounting groove 302, a rack 304, a trimming driving motor 307, a driving gear 309, a limiting block 310, a guide rail 313, a mounting hole 4, a trimming electric saw 401, a moving seat 402, a trimming motor 403, a trimming saw blade 404, and a sliding block.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments in this patent without making creative efforts, shall fall within the protection scope of this patent.
As shown in fig. 1, 2, 5 and 6, the present embodiment provides an ultrahigh tree pruning device for a high voltage live operation line, which comprises a walking device 1, a connecting assembly 2, a mounting plate 3, a pruning driving motor 304, a pruning electric saw 4 and a control device; two walking devices 1 are arranged in parallel, the walking devices 1 respectively move along two wires on the outer side, a connecting assembly 2 is arranged below each walking device 1, each connecting assembly 2 comprises an insulating part 201, each insulating part 201 comprises a plurality of sub-insulating parts with umbrella-shaped structures, each sub-insulating part is made of glass fiber epoxy resin or high-temperature vulcanized silicone rubber, the electric flashover distance can be increased, the walking devices 1 are electrically isolated from a mounting plate 3 and a pruning electric saw 4, the safety of the device is improved, the device can be used under the condition that a circuit is electrified, the phenomenon that production life is influenced by power failure during pruning trees is avoided, a telescopic rod 202 is connected to the lower portion of each insulating part 201, the lower end of each telescopic rod 202 is connected with the corresponding end of the mounting plate 3, a mounting groove 301 is formed in the mounting plate 3, and the length of the mounting groove 301 can be larger than the distance between two lines of the walking devices 1 in order to enlarge the pruning range, the length direction of the mounting groove 301 is perpendicular to the moving direction of the walking device 1, racks 302 are movably arranged on two groove walls of the mounting groove 301, the racks 302 are arranged along the length direction of the mounting groove 301, the length of the racks 302 is not less than half of the length of the mounting groove 301, limiting blocks 309 are arranged on the upper side and the lower side of the racks 302, guide rails 310 are arranged on the lower portions of the two racks 302, the guide rails 310 are arranged along the length direction of the mounting groove 301, one ends of the racks 302 are meshed with a driving gear 307, one end, far away from the driving gear 307, of the racks 302 are connected with a trimming electric saw 4, the trimming electric saw 4 can move along the mounting groove 301, the moving direction of the trimming electric saw 4 is perpendicular to the moving direction of the walking device 1, the driving gear 307 is connected with a trimming driving motor 304, the trimming driving motor 304 is mounted in the middle of the mounting plate 3 through a mounting hole 313, when the driving gear 307 rotates, the moving directions of the two racks 302 are opposite, so that the two trimming electric saws 4 are driven to move back to back or move towards each other at the same time, the gravity center of the whole trimming device is not changed when the trimming electric saws 4 move, and the walking device 1 is not derailed; the trimming electric saw 4 comprises a moving seat 401, the moving seat 401 is connected with a rack 302, the moving seat 401 is provided with a sliding block 404, the sliding block 404 can move along a guide rail 310 on the groove wall of the mounting groove 301, a trimming motor 402 is arranged below the moving seat 401, and the trimming motor 402 is connected with a trimming saw blade 403; the shell 101 is also provided with a standby pull rope, and when the device fails and cannot move in the way, the device can be pulled to a proper position through the standby pull rope to be detached.
As shown in fig. 3 and 4, the walking device 1 may adopt the following specific structure: the walking device 1 comprises a shell 101, a walking driving motor 102 is arranged in the shell 101, the walking driving motor 102 is detachably connected with a driving wheel 105 through a coupler 108, a rotating shaft 103 is fixedly installed on one side of the driving wheel 105, the rotating shaft 103 is installed on the shell 101 through a shaft sleeve, a ratchet 1041 is fixedly installed on one side, extending out of the shell 101, of the rotating shaft 103, a pawl 1043 is rotatably installed on a corresponding position outside the shell 101 through a pin shaft, the pawl 1043 is matched with the ratchet 1041, a reset spring 1044 is connected with the pawl 1043, a mounting sleeve 1045 is arranged at the other end of the reset spring 1044, the mounting sleeve 1045 is rotatably installed at the extending end of the rotating shaft 103, a screw 1042 is further arranged on the rotating shaft 103 for preventing the mounting sleeve 1045 from falling off, a plurality of the screws 1042 can be arranged, and the reset spring 1044 can enable the pawl 1043 to be quickly reset and matched with the ratchet; a driven wheel 109 is further arranged on the shell 101, one end of a rotating shaft 103 of the driven wheel 109 extends out of the shell 101 and is also provided with a backstop assembly 104, and the other end of the rotating shaft extends out of the other side of the shell 101 and is detachably provided with a bolt 110, so that the driven wheel 109 can be detachably mounted; still be provided with supporting wheel 106 between drive wheel 105 and the follow driving wheel 109, supporting wheel 106 both ends all are provided with flexible support column 107 promptly supporting wheel 106's height can change, flexible support column 107 can select for use spring damper and its rigidity is adjustable, can avoid supporting wheel height too high to lead to power transmission line and drive wheel 105, the contact surface of follow driving wheel 109 is too big, cause frictional force great, during the removal, drive wheel 105 and follow driving wheel 109 are located the power transmission line top, supporting wheel 106 is located the power transmission line below, drive wheel 105, all be provided with the wire casing on the periphery of follow driving wheel 109 and supporting wheel 106.
A storage battery is arranged in the shell 101, the walking driving motor 102, the trimming driving motor 304 and the trimming motor 402 are electrically connected with the storage battery, and a photovoltaic panel is arranged on the storage battery and can generate electricity through solar energy; be provided with the camera on the mounting panel 3, the camera, walking driving motor 102, prune driving motor 304 and prune motor 402 and all be connected with controlling means electricity, walking driving motor 102 adopts gear motor can slow down the translation rate and is convenient for prune, prune driving motor 304 and prune motor 402 and adopt servo motor, can realize stepless speed regulation, be provided with the converter on pruning driving motor 304, can realize the automatic positive and negative rotation of motor through the converter, can not bump after guaranteeing to prune the electric saw relative motion.
The working process of the ultrahigh tree pruning device for the high-voltage live-line operation line is as follows:
firstly, the driving wheel 105 and the driven wheel 109 are disassembled, so that the power transmission lines are positioned below the two wheels and above the supporting wheel 106, the adopted power transmission lines are two lines on the outermost side of the parallel lines, the rigidity of the spring shock absorbers at the two ends of the supporting wheel 106 is adjusted according to the friction force, and the abrasion caused by the overlarge friction force is avoided; adjusting the length of the telescopic rod 202 according to the operation requirement; the two walking devices 1 are controlled to advance through the control device, the trimming area is observed through the camera, when the trimming area is reached, the control device controls the walking driving motor 102 to decelerate, the trimming driving motor 304 and the trimming motor 402 are controlled to start working, and the trimming driving motor 304 drives the two trimming electric saws 4 to reciprocate; when the tree is moved out of the trimming area, the trimming driving motor 304 and the trimming motor 402 are controlled to stop working, and the walking driving motor 102 is controlled to move to a proper position in an accelerating manner to be detached and then installed on another two power transmission lines needing to trim trees.
From the above detailed description, it can be seen that the present invention has the following beneficial effects:
1. through the matching of the double walking device 1 and the double trimming electric saw 4, the supporting strength and stability of the power transmission line to the device can be enhanced, the center of gravity of the whole device is kept still, and derailment caused by the movement of the trimming electric saw 4 is prevented;
2. the contact area of the power transmission line and the wheels can be increased through the matching of the driving wheel 105, the supporting wheel 106 and the driven wheel 109, and the derailment probability can be reduced;
3. the rigidity of the elastic support 107 can be adjusted according to the friction condition, so that the excessive increase of the friction force and the resistance are avoided;
4. the reverse running of the device can be prevented through the non-return component 104, and the device is suitable for being used when a slope angle is formed and thicker trees are trimmed;
5. the operation can be controlled according to the tree condition through the control device and the camera, so that high-quality pruning is ensured;
6. the trimming height can be adjusted according to specific requirements through the telescopic rod 202, so that the application range is widened;
7. can guarantee through insulating part 201 that running gear 1 is isolated with mounting panel 3 electricity for this device can prune the operation under the live line, avoids having a power failure to influence production life.
The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The ultrahigh tree pruning device for the high-voltage live operation line is characterized by comprising two walking devices (1) which are arranged in parallel, wherein the walking devices (1) respectively move along two outer power transmission lines, a connecting assembly (2) is arranged below each walking device (1), each connecting assembly (2) comprises an insulating piece (201), each connecting assembly (2) is connected with a corresponding end of a mounting plate (3), a mounting groove (301) is formed in each mounting plate (3), a rack (302) is movably arranged on each of two groove walls of each mounting groove (301), one end of each rack (302) is meshed with a driving gear (307), one end, far away from the driving gear (307), of each rack (302) is connected with an electric pruning saw (4), each electric pruning saw (4) can move along each mounting groove (301), the moving direction of each electric pruning saw (4) is perpendicular to the moving direction of each walking device (1), each driving gear (307) is connected with a pruning driving motor (304), and each pruning driving motor (304) is mounted on each mounting plate (3).
2. The ultra-high tree pruning device for the high-voltage live operation line according to claim 1, wherein the walking device (1) comprises a housing (101), a walking driving motor (102) is arranged in the housing (101), the walking driving motor (102) is connected with a driving wheel (105), the driving wheel (105) is detachably arranged on the housing (101), a driven wheel (109) is further detachably arranged on the housing (101), a supporting wheel (106) is further arranged between the driving wheel (105) and the driven wheel (109), and when the walking device moves, the driving wheel (105) and the driven wheel (109) are positioned above the transmission line, and the supporting wheel (106) is positioned below the transmission line.
3. The ultra-high tree pruning device for the high voltage live operation line according to claim 2, wherein the supporting wheels (106) are provided with elastic support columns (107) at both ends.
4. The ultra-high tree pruning device for the high voltage live operation line according to claim 3, wherein the circumferential surfaces of the driving wheel (105), the driven wheel (109) and the supporting wheel (106) are all provided with wire slots.
5. The ultra-high tree pruning device for the high-voltage live operation line according to claim 4, wherein a non-return assembly (104) is arranged on the driving wheel (105) and/or the driven wheel (109), the non-return assembly (104) comprises a ratchet wheel (1041), the ratchet wheel (1041) is arranged on the rotating shaft (103) of the driving wheel (105) and/or the driven wheel (109), a pawl (1043) is rotatably arranged on the housing (101) at a corresponding position, a return spring (1044) is arranged on the pawl (1043), and the return spring (1044) is rotatably connected with the rotating shaft (103).
6. The ultra-high tree pruning device for the high-voltage live operation line according to claim 5, characterized in that the electric pruning saw (4) comprises a moving seat (401), the moving seat (401) is connected with the rack (302), the moving seat (401) is provided with a sliding block (404), the sliding block (404) can move along a guide rail (310) on the groove wall of the installation groove (301), the guide rail (310) is positioned below the rack (302), a pruning motor (402) is arranged below the moving seat (401), and a pruning saw blade (403) is connected with the pruning motor (402).
7. The ultra-high tree pruning device for the high-voltage live operation line according to claim 6, wherein the insulation member (201) comprises a plurality of sub-insulation members, the sub-insulation members are in an umbrella-shaped structure, a telescopic rod (202) is connected to the lower parts of the sub-insulation members, and the lower ends of the telescopic rods (202) are connected with the corresponding ends of the mounting plate (3).
8. The ultra-high tree pruning device for the high voltage live operation line according to claim 7, wherein a storage battery is arranged in the housing (101), the walking drive motor (102), the pruning drive motor (304) and the pruning motor (402) are all electrically connected with the storage battery, and a photovoltaic panel is arranged on the storage battery.
9. The ultra-high tree pruning device for the high-voltage live operation line according to claim 8, further comprising a camera and a control device which are electrically connected, wherein the camera is arranged on the mounting plate (3), and the walking driving motor (102), the pruning driving motor (304) and the pruning motor (402) are electrically connected with the control device.
10. The ultra-high tree pruning device for high voltage live operation line according to claim 9, wherein a spare pull rope is further provided on said housing (101).
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|---|---|---|---|
| CN202210674234.9A CN115152451B (en) | 2022-06-15 | 2022-06-15 | Ultrahigh tree trimming device for high-voltage live line |
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| CN202210674234.9A CN115152451B (en) | 2022-06-15 | 2022-06-15 | Ultrahigh tree trimming device for high-voltage live line |
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| CN115152451B CN115152451B (en) | 2023-06-27 |
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| CN207209752U (en) * | 2017-09-30 | 2018-04-10 | 中国化学工程第三建设有限公司 | A kind of steel structure hoisting instrument |
| JP2019162086A (en) * | 2018-03-20 | 2019-09-26 | 中国電力株式会社 | Tree trimming device and system for electric line |
| CN108365561A (en) * | 2018-03-29 | 2018-08-03 | 武汉大学 | It is a kind of to walk ultra-high-tension power transmission line corridor branch pruning machine people and control method along ground wire |
| CN208904535U (en) * | 2018-10-29 | 2019-05-24 | 国网河南省电力公司濮阳供电公司 | A kind of great-leap-forward line data-logging delimbing machine |
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