CN109193449A - A kind of intelligent portable laser is removed obstacles instrument - Google Patents

A kind of intelligent portable laser is removed obstacles instrument Download PDF

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Publication number
CN109193449A
CN109193449A CN201810940359.5A CN201810940359A CN109193449A CN 109193449 A CN109193449 A CN 109193449A CN 201810940359 A CN201810940359 A CN 201810940359A CN 109193449 A CN109193449 A CN 109193449A
Authority
CN
China
Prior art keywords
holder
laser
shell
cabinet trolley
instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810940359.5A
Other languages
Chinese (zh)
Inventor
刘美集
刘亮亮
张玉萍
桑魏魏
袁建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANTONG SIPAITE LASER TECHNOLOGY Co Ltd
DONGGUAN SWITCH Co Ltd
Original Assignee
NANTONG SIPAITE LASER TECHNOLOGY Co Ltd
DONGGUAN SWITCH Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NANTONG SIPAITE LASER TECHNOLOGY Co Ltd, DONGGUAN SWITCH Co Ltd filed Critical NANTONG SIPAITE LASER TECHNOLOGY Co Ltd
Priority to CN201810940359.5A priority Critical patent/CN109193449A/en
Publication of CN109193449A publication Critical patent/CN109193449A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Laser Surgery Devices (AREA)

Abstract

It removes obstacles instrument the invention discloses a kind of intelligent portable laser, including laser beam emitting device, optical aiming device, holder, battery, remote controler and heavily loaded cabinet trolley, heavily loaded cabinet trolley is equipped with battery case, battery is installed in battery case, holder is installed on the contactor of heavily loaded cabinet trolley front end, holder upper end is connected with laser beam emitting device by holder turnover panel, laser beam emitting device is equipped with shell, enclosure interior is equipped with CO2 laser, CO2 laser front end is connected with optical aiming device, CO2 laser rear end is connected with PCU Power Conditioning Unit, optical aiming device includes gun sight and dynamic focusing system, the present invention acquires data to the Grid for hanging with foreign matter with laser radar, real-time image is drawn through processing, staff is facilitated to observe remove obstacles object burning or the gasification degree of laser beam irradiation position, Laser irradiation time is rationally grasped, a kind of long-range method for cleaning of power grid foreign matter laser is provided.

Description

A kind of intelligent portable laser is removed obstacles instrument
Technical field
It removes obstacles instrument the present invention relates to a kind of laser, in particular to a kind of intelligent portable laser is removed obstacles instrument, and electric power row is belonged to Lead wire and earth wire in transmission line, which is floatd, in industry hangs object and removes the field of operation that operation and other industry need to remotely remove obstacles.
Background technique
Power grid mainly passes through tower erection in the sky by bare metal line, the floating such as kite, kite string, plastic cloth, advertising department Property foreign matter be easy to blow off on bare metal line, once such floatability foreign matter soaks, be easy to cause the short circuit of bare metal line, single-phase connect The failures such as ground, it is therefore desirable to which the foreign matter on power grid is cleared up.Laser remove obstacles be radiated at using laser beam on foreign matter make it is different Object burning, gasification are able to carry out and remotely remove obstacles, simplify the process of removing obstacles, improve staff so that foreign matter be made to be detached from power grid Safety.But existing laser methods of removing obstacles are difficult to grasp the time span of laser beam irradiation, are easy to appear foreign matter quilt After laser beam irradiation burning, laser beam, which is appointed, to be continued to irradiate, and not only causes to waste, or even power grid surface can be made to melt.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, and it is remotely clear to provide a kind of power grid foreign matter laser Reason method acquires data to the Grid for hanging with foreign matter with laser radar, draws real-time image through processing, facilitate work Personnel observe remove obstacles object burning or the gasification degree of laser beam irradiation position, rationally grasp laser irradiation time.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of intelligent portable laser of the present invention is removed obstacles instrument, including laser beam emitting device, optical aiming device, holder, electricity Pond, remote controler and heavily loaded cabinet trolley, the heavy duty cabinet trolley are equipped with battery case, and the battery is installed in battery case, Holder is installed, the holder upper end is connected with laser by holder turnover panel and sends out on the contactor of the heavy duty cabinet trolley front end Injection device, the laser beam emitting device are equipped with shell, and the enclosure interior is equipped with CO laser, the connection of CO laser front end There is optical aiming device, CO laser rear end is connected with PCU Power Conditioning Unit, and the optical aiming device includes gun sight And dynamic focusing system, and the gun sight and dynamic focusing system are set to housing forward end, the PCU Power Conditioning Unit is set to The rear end face of shell, the PCU Power Conditioning Unit is equipped with power regulation display and antenna, and sets below the housing rear end face There is a radiator fan, the housing forward end is equipped with power interface, and the shell lower end is connected with mounting base, in the mounting base Meta position has installed Quick-mounting board, and the Quick-mounting board is connect with the holder turnover panel on holder, and the holder includes holder main body, outside holder Shell and holder hold-down support, the holder shell are set on the outside of holder main body, and holder main body upper end is flexibly connected holder and turns over Plate, the holder hold-down support are installed on above the contactor of heavily loaded cabinet trolley front end by hinge assembly, the heavy duty case Body trolley front-end and back-end bottom is respectively equipped with self-locking steamboat and inflation bull wheel, and the heavy duty cabinet trolley is equipped with to be connect with power supply The string holes terminal of mouth connection, and total power switch, indicator light and urgency are respectively equipped with above the battery case of the heavily loaded cabinet trolley Guard's valve.
Preferably, the CO2 laser is equipped with zooming adjustment knob, and the zooming adjustment knob stretches out shell upper end and sets It sets.
Preferably, the antenna lower end is equipped with power supply indicator.
Preferably, the housing rear end face is equipped with laser works indicator light, and the housing side is equipped with heat release hole.
Preferably, the holder turnover panel is equipped with the connecting bottom board connecting with Quick-mounting board, and in two connecting bottom boards Between be equipped with lock hole, two connecting bottom board avris are respectively equipped with locking knob and spring spiro rod.
Preferably, it is connected between the holder and heavily loaded cabinet trolley equipped with hinge assembly, the holder and CO2 laser Device is equipped with fast-assembling turnover panel, realizes that CO2 laser and holder folding are placed on structure space, have been saved space, have been realized just Take function.
Preferably, the battery case of the heavily loaded cabinet trolley is equipped with lockset, and Level handle is equipped with above the battery case.
Preferably, the heavily loaded cabinet trolley front end is equipped with 90 degree of knobs.
The beneficial effects obtained by the present invention are as follows being: the present invention provides a kind of long-range method for cleaning of power grid foreign matter laser, uses Laser radar acquires data to the Grid for hanging with foreign matter, draws real-time image through processing, and staff's observation is facilitated to swash Remove obstacles object burning or the gasification degree of beam irradiation position, rationally grasp laser irradiation time.Also, the present invention realizes peace Entirely, using the laser of specific wavelength, kite, film, wide can efficiently be removed when not damaging the equipment such as grounded-line, fitting The easily unstable extension objects of high-voltage lines such as vertically hung scroll are accused,.Under visualization sighting system, electric-controlled mechanical arm auxiliary, most fastly may be used within the scope of 100 meters It completes to float within 30 seconds to hang object and remove obstacles.Operation is reliable, without having a power failure, without ascending a height, can charge on ground and complete remove obstacles, realize " between not The double reliable three big advantages of cut-off electrical zero risk repairing ".The present invention simultaneously, compact integral structure is easy to carry, and homework precision is high, fast Degree is fast, and easy to operate, objective interface is user-friendly, long service life, non-maintaining, adapts to rugged environment.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of PCU Power Conditioning Unit of the present invention;
Fig. 3 is the structural schematic diagram of heavily loaded cabinet trolley of the invention;
Fig. 4 is the structural schematic diagram of holder turnover panel of the present invention.
Fig. 5 is the structural schematic diagram that laser level of the present invention places (origin position).
Fig. 6 is the structural schematic diagram that laser of the present invention is disposed vertically (operating position).
Fig. 7 is that portable laser of the present invention instrument of removing obstacles has the structural schematic diagram of certain locomotivity.
In figure: 1, laser beam emitting device;2, optical aiming device;3, holder;4, battery;5, remote controler;6, heavily loaded cabinet Trolley;7, battery case;8, contactor;9, holder turnover panel;10, shell;11, CO2 laser;12, PCU Power Conditioning Unit;13, it takes aim at Quasi- mirror;14, dynamic focusing system;15, power regulation display;16, antenna;17, radiator fan;18, power interface;19, pacify Fill bottom plate;20, Quick-mounting board;21, holder main body;22, holder shell;23, holder hold-down support;24, hinge assembly;25, self-locking Steamboat;26, bull wheel is inflated;27, string holes terminal;28, total power switch;29, indicator light;30, emergency stop switch;31, zooming adjustment Knob;32, power supply indicator;33, heat release hole;34, connecting bottom board;35, lock hole;36, locking knob;37, spring spiro rod; 38, lockset;39, Level handle;40,90 degree of knobs;41, laser works indicator light.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Embodiment
As shown in figs. 1-7, a kind of intelligent portable laser is removed obstacles instrument, including laser beam emitting device 1, optical aiming device 2, Holder 3, battery 4, remote controler 5 and heavily loaded cabinet trolley 6, heavily loaded cabinet trolley 6 is equipped with battery case 7, and battery 4 is installed on battery In case 7, holder 3 is installed on the contactor 8 of heavily loaded 6 front end of cabinet trolley, 3 upper end of holder is connected with sharp by holder turnover panel 9 Light emitting devices 1, laser beam emitting device 1 are equipped with shell 10, are equipped with CO2 laser 11,11 front end of CO2 laser inside shell 10 It is connected with optical aiming device 2,11 rear end of CO2 laser is connected with PCU Power Conditioning Unit 12, and optical aiming device 2 includes aiming at Mirror 13 and dynamic focusing system 14, and gun sight 13 and dynamic focusing system 14 are set to 10 front end of shell, PCU Power Conditioning Unit 12 are set to the rear end face of shell 10, and PCU Power Conditioning Unit 12 is equipped with power regulation display 15 and antenna 16, and 10 rear end of shell Radiator fan 17 is equipped with below face, 10 front end of shell is equipped with power interface 18, and 10 lower end of shell is connected with mounting base 19, installs 19 middle position of bottom plate is equipped with Quick-mounting board 20, and Quick-mounting board 20 is connect with the holder turnover panel 9 on holder 3, and holder 3 includes holder main body 21, holder shell 22 and holder hold-down support 23, holder shell 22 are set to 21 outside of holder main body, the activity of 21 upper end of holder main body Holder turnover panel 9 is connected, holder hold-down support 23 is installed on the contactor 8 of heavily loaded 6 front end of cabinet trolley by hinge assembly 24 Side, heavily loaded 6 front-end and back-end bottom of cabinet trolley is respectively equipped with self-locking steamboat 25 and inflates bull wheel 26, on heavily loaded cabinet trolley 6 Equipped with the string holes terminal 27 being connect with power interface 18, and general supply is respectively equipped with above the battery case 7 of heavily loaded cabinet trolley 6 and is opened Close 28, indicator light 29 and emergency stop switch 30.
CO2 laser 11 is equipped with zooming adjustment knob 31, and zooming adjustment knob 31 stretches out the setting of 10 upper end of shell.Antenna 16 lower ends are equipped with power supply indicator 32.10 rear end face of shell is equipped with laser works indicator light 40, and 10 side of shell is equipped with heat dissipation Hole 33.Holder turnover panel 9 is equipped with the connecting bottom board 34 connecting with Quick-mounting board 20, and lock hole is equipped among two connecting bottom boards 34 35, two 34 avris of connecting bottom board are respectively equipped with locking knob 36 and spring spiro rod 37.The battery case 7 of heavily loaded cabinet trolley 6 is set There is lockset 38, and is equipped with Level handle 39 above battery case 7.Heavily loaded 6 front end of cabinet trolley is equipped with 90 degree of knobs 41.
The instrument specifically, a kind of intelligent portable laser is removed obstacles first removes obstacles LHW-3A type portable laser instrument when use It places suitable position, opens equipment box, take out laser and remove obstacles instrument, lock the self-locking steamboat 25 in front, open battery case 7, inspection Look into the parameters such as 4 electricity of battery, if meet working condition, it is ensured that there is no problem, carries out in next step, by holder 3 from side state Horizontal direction moves vertical direction, and fixed with four hasps, and connection laser is removed obstacles instrument remote controler 5HDMI data Line connects 11 power supply line of CO2 laser, opens gun sight 13 and dynamic focusing system 14, key crawl power supply, and unscrewing emergency stop is opened 30 are closed, prompts laser work indicator light 40 bright (can hear immediately radiator fan 17 work sound), laser is opened and removes obstacles instrument 5 power switch of remote controler, display screen power supply connect splashette, and information bar or so traffic lights are bright, select suitable speed, run holder 3 to object general direction, observes 5 display screen of remote controler, and adjustment target shows size, as object show it is unintelligible, can be by 11 zooming adjustment knob 31 of CO2 laser is focused, and is determined starting point of the two o'clock as laser cutting, is done prefabricated position respectively. According to the difference of object material, the speed of laser cutting is selected (to be typically chosen dead slow speed and drop to the percentage of dead slow speed 10%), be cut by laser, about laser cutting mode, can free switching, whole such as emergency situations, by emergency stop switch 30, After unsafe condition releases, emergency stop switch 30 is opened, is worked on, until completing task of removing obstacles.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (7)

  1. The instrument 1. a kind of intelligent portable laser is removed obstacles, including laser beam emitting device (1), optical aiming device (2), holder (3), electricity Pond (4), remote controler (5) and heavily loaded cabinet trolley (6), which is characterized in that the heavy duty cabinet trolley (6) is equipped with battery case (7), the battery (4) is installed in battery case (7), is equipped with cloud on the contactor (8) of described heavy duty cabinet trolley (6) front end Platform (3), holder (3) upper end are connected with laser beam emitting device (1) by holder turnover panel (9), the laser beam emitting device (1) Equipped with shell (10), CO2 laser (11) are equipped with inside the shell (10), CO2 laser (11) front end is connected with light It learns sighting device (2), CO2 laser (11) rear end is connected with PCU Power Conditioning Unit (12), the optical aiming device (2) Including gun sight (13) and dynamic focusing system (14), and the gun sight (13) and dynamic focusing system (14) are set to shell (10) front end, the PCU Power Conditioning Unit (12) are set to the rear end face of shell (10), and the PCU Power Conditioning Unit (12) is equipped with function Rate adjusts display (15) and antenna (16), and is equipped with radiator fan (17) below the shell (10) rear end face, the shell (10) front end is equipped with power interface (18), and shell (10) lower end is connected with mounting base (19), the mounting base (19) Middle position is equipped with Quick-mounting board (20), and the Quick-mounting board (20) connect with the holder turnover panel (9) on holder (3), the holder (3) Including holder main body (21), holder shell (22) and holder hold-down support (23), the holder shell (22) is set to holder main body (21) outside, holder main body (21) upper end are flexibly connected holder turnover panel (9), and the holder hold-down support (23) passes through hinge Component (24) is installed on above the contactor (8) of heavily loaded cabinet trolley (6) front end, and heavy duty cabinet trolley (6) front end is with after End bottom is respectively equipped with self-locking steamboat (25) and inflation bull wheel (26), and the heavy duty cabinet trolley (6) is equipped with and power interface (18) the string holes terminal (27) connected, and total power switch is respectively equipped with above the battery case (7) of the heavily loaded cabinet trolley (6) (28), indicator light (29) and emergency stop switch (30).
  2. The instrument 2. a kind of intelligent portable laser according to claim 1 is removed obstacles, which is characterized in that the CO2 laser (11) zooming adjustment knob (31) are equipped with, and the zooming adjustment knob (31) stretches out the setting of shell (10) upper end.
  3. The instrument 3. a kind of intelligent portable laser according to claim 1 is removed obstacles, which is characterized in that antenna (16) lower end Equipped with power supply indicator (32).
  4. The instrument 4. a kind of intelligent portable laser according to claim 1 is removed obstacles, which is characterized in that shell (10) rear end Face is equipped with laser works indicator light (40), and shell (10) side is equipped with heat release hole (33).
  5. The instrument 5. a kind of intelligent portable laser according to claim 1 is removed obstacles, which is characterized in that the holder turnover panel (9) It is equipped with the connecting bottom board (34) connecting with Quick-mounting board (20), and is equipped with lock hole among two connecting bottom boards (34) (35), two connecting bottom board (34) avris are respectively equipped with locking knob (36) and spring spiro rod (37).
  6. The instrument 6. a kind of intelligent portable laser according to claim 1 is removed obstacles, which is characterized in that the heavy duty cabinet trolley (6) battery case (7) is equipped with lockset (38), and is equipped with Level handle (39) above the battery case (7).
  7. The instrument 7. a kind of intelligent portable laser according to claim 1 is removed obstacles, which is characterized in that the heavy duty cabinet trolley (6) front end is equipped with 90 degree of knobs (41).
CN201810940359.5A 2018-08-17 2018-08-17 A kind of intelligent portable laser is removed obstacles instrument Pending CN109193449A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810940359.5A CN109193449A (en) 2018-08-17 2018-08-17 A kind of intelligent portable laser is removed obstacles instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810940359.5A CN109193449A (en) 2018-08-17 2018-08-17 A kind of intelligent portable laser is removed obstacles instrument

Publications (1)

Publication Number Publication Date
CN109193449A true CN109193449A (en) 2019-01-11

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CN201810940359.5A Pending CN109193449A (en) 2018-08-17 2018-08-17 A kind of intelligent portable laser is removed obstacles instrument

Country Status (1)

Country Link
CN (1) CN109193449A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109888664A (en) * 2019-03-14 2019-06-14 浙江红相科技股份有限公司 A kind of laser foreign matter device for clearing away obstacle
CN110429513A (en) * 2019-09-05 2019-11-08 南通斯派特激光科技有限公司 A kind of intelligentized laser is removed obstacles instrument
CN112582940A (en) * 2020-12-07 2021-03-30 国网黑龙江省电力有限公司鹤岗供电公司 Portable system for removing obstacles of high-voltage transmission line

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CN106816824A (en) * 2017-02-22 2017-06-09 南通斯派特激光科技有限公司 A kind of fully-automatic laser obstacle eliminating system and method for trolley line
CN107317259A (en) * 2017-08-23 2017-11-03 国网江苏省电力公司电力科学研究院 A kind of long-distance transmission circuit foreign matter removes emitter
CN206673456U (en) * 2017-04-18 2017-11-24 江苏省电力试验研究院有限公司 A kind of electric line foreign matter laser remove device based on carbon dioxide laser
CN206931921U (en) * 2017-01-19 2018-01-26 广东电网有限责任公司东莞供电局 A kind of CO2 laser removes transmission line of electricity drift article hanger
CN206947857U (en) * 2017-07-21 2018-01-30 山东中实电力科技有限公司 A kind of remote power network foreign matter laser removes system
CN206992746U (en) * 2017-07-14 2018-02-09 东莞市开关厂有限公司 The electric power system of integrated carbon dioxide laser obstacle cleaning machine
CN207559428U (en) * 2017-10-20 2018-06-29 深圳市深联创展科技开发有限公司 A kind of laser barrier clearing device
CN207664514U (en) * 2017-12-20 2018-07-27 陕西华赢智能科技有限公司 A kind of power grid foreign matter laser burn system and device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206931921U (en) * 2017-01-19 2018-01-26 广东电网有限责任公司东莞供电局 A kind of CO2 laser removes transmission line of electricity drift article hanger
CN106816824A (en) * 2017-02-22 2017-06-09 南通斯派特激光科技有限公司 A kind of fully-automatic laser obstacle eliminating system and method for trolley line
CN206673456U (en) * 2017-04-18 2017-11-24 江苏省电力试验研究院有限公司 A kind of electric line foreign matter laser remove device based on carbon dioxide laser
CN206992746U (en) * 2017-07-14 2018-02-09 东莞市开关厂有限公司 The electric power system of integrated carbon dioxide laser obstacle cleaning machine
CN206947857U (en) * 2017-07-21 2018-01-30 山东中实电力科技有限公司 A kind of remote power network foreign matter laser removes system
CN107317259A (en) * 2017-08-23 2017-11-03 国网江苏省电力公司电力科学研究院 A kind of long-distance transmission circuit foreign matter removes emitter
CN207559428U (en) * 2017-10-20 2018-06-29 深圳市深联创展科技开发有限公司 A kind of laser barrier clearing device
CN207664514U (en) * 2017-12-20 2018-07-27 陕西华赢智能科技有限公司 A kind of power grid foreign matter laser burn system and device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109888664A (en) * 2019-03-14 2019-06-14 浙江红相科技股份有限公司 A kind of laser foreign matter device for clearing away obstacle
CN110429513A (en) * 2019-09-05 2019-11-08 南通斯派特激光科技有限公司 A kind of intelligentized laser is removed obstacles instrument
CN110429513B (en) * 2019-09-05 2024-05-24 南通斯派特激光科技有限公司 Intelligent laser obstacle clearance instrument
CN112582940A (en) * 2020-12-07 2021-03-30 国网黑龙江省电力有限公司鹤岗供电公司 Portable system for removing obstacles of high-voltage transmission line
CN113889913A (en) * 2020-12-07 2022-01-04 国网黑龙江省电力有限公司鹤岗供电公司 Portable system for removing obstacles of high-voltage transmission line

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Application publication date: 20190111

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