CN110311341B - Automatic overhead line deicing robot - Google Patents
Automatic overhead line deicing robot Download PDFInfo
- Publication number
- CN110311341B CN110311341B CN201910551616.0A CN201910551616A CN110311341B CN 110311341 B CN110311341 B CN 110311341B CN 201910551616 A CN201910551616 A CN 201910551616A CN 110311341 B CN110311341 B CN 110311341B
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- wheel
- motor
- ratchet
- frame
- auxiliary
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
An automated overhead line deicing robot comprising: the device comprises a base, wherein a walking part is arranged on the side surface of the base, an auxiliary walking part is arranged at the lower part of the base, a power supply power module and a remote control module are arranged in the base, and an observation camera module is arranged at the upper part of the base; the power supply power module provides power for the whole robot, the remote control module receives a remote instruction to control the whole action of the robot, and the observation camera module observes the surrounding environment of the robot and feeds an observation image back to the remote monitoring center; the walking part drives the whole robot to walk on the power line, and the front end of the walking part is provided with a vibration part and a mechanical arm part; the mechanical arm part comprises an impact hammer, and the vibration part drives the impact hammer to knock the power line to remove ice blocks; the auxiliary walking part is matched with the walking part to clamp the power line, so that the robot can walk on the power line stably and reliably.
Description
Technical Field
The invention relates to the technical field of electric power maintenance and electric power automation, in particular to an automatic overhead line deicing robot.
Background
In many microthermal mountain areas, the overhead line freezes easily, causes serious threat to the operation safety of high-voltage line, and artifical field deicing operation very painstaking, and the high altitude construction danger is high, and especially electrified deicing takes place to electrocute danger more easily, consequently, urgently needed one kind can carry out the automatic electric wire deicing robot of deicing work to the electric wire under rugged environment and replace artifical completion deicing operation.
Disclosure of Invention
Aiming at the problems, the invention provides an automatic overhead line deicing robot which supplies power to the whole robot through a power module, receives a remote instruction through a remote control module to control the whole action of the robot, observes the surrounding environment of the robot through an observation camera module and feeds an observation image back to a remote monitoring center, shovels ice blocks on the surface of a power line through deicing, strikes the power line through an impact hammer to further remove the ice blocks, and heats the power line through a travelling wheel, thereby automatically completing the deicing work of the power line.
The technical scheme adopted by the invention is as follows: an automated overhead line deicing robot, comprising: the device comprises a base, wherein a walking part is arranged on the side surface of the base, an auxiliary walking part is arranged at the lower part of the base, a power supply power module and a remote control module are arranged in the base, and an observation camera module is arranged at the upper part of the base;
the power supply power module provides power for the whole robot, the remote control module receives a remote instruction to control the whole action of the robot, and the observation camera module observes the surrounding environment of the robot and feeds an observation image back to the remote monitoring center;
the walking part drives the whole robot to walk on the power line, and the front end of the walking part is provided with a vibration part and a mechanical arm part;
the mechanical arm part comprises an impact hammer, and the vibration part drives the impact hammer to knock the power line to remove ice blocks;
the auxiliary walking part is matched with the walking part to clamp the power line, so that the robot can walk on the power line stably and reliably.
Furthermore, the walking part also comprises walking wheels, walking wheel fixing seats, a second wheel shaft, a wheel motor, a first wheel carrier rotating shaft, a first wheel carrier, a second wheel carrier, a vibration mechanism bracket, a walking wheel bracket, a second wheel carrier motor, a first wheel carrier motor and a driving wheel groove;
a first wheel frame motor is fixedly installed on two sides of the base, a motor shaft of the first wheel frame motor is fixedly connected with a first wheel frame rotating shaft, the first wheel frame rotating shaft is arranged on the first wheel frame, a second wheel frame motor is fixedly installed at the tail end of the rear part of the first wheel frame, and the first wheel frame motor drives the first wheel frame rotating shaft to rotate, so that the angle of the first wheel frame is changed;
the second wheel frame motor is connected with a second wheel shaft, the second wheel shaft is arranged on the second wheel frame, the two ends of the second wheel frame are provided with walking wheel fixing seats, and the second wheel frame motor drives the second wheel shaft to rotate, so that the angle of the second wheel frame is changed;
a travelling wheel support is arranged below the travelling wheel fixing seat, a wheel motor is fixedly mounted on the travelling wheel support, a travelling wheel is fixedly mounted on a motor shaft of the wheel motor, a driving wheel groove is formed in the travelling wheel, the wheel motor drives the travelling wheel to travel on a power line, and the driving wheel groove is clamped on the power line;
the travelling wheels have a heating function so as to heat the power lines;
the front of the first wheel frame is provided with a vibration mechanism support, and a walking wheel fixing seat, a walking wheel support, a wheel motor and a wheel motor which are the same as those of the second wheel frame.
Furthermore, the mechanical arm part also comprises an impact hammer auxiliary block, an impact hammer bracket, a motor bracket and a ratchet motor;
the vibration part also comprises a ratchet wheel, a ratchet wheel plectrum, a first connecting rod and a ratchet wheel connecting rod frame;
a motor bracket is fixedly arranged on the vibration mechanism bracket, a ratchet motor is fixedly arranged on the motor bracket, a ratchet wheel is fixedly arranged on a motor shaft of the ratchet motor, and the ratchet wheel is driven by the ratchet motor to rotate;
the impact hammer auxiliary block is fixedly arranged on the vibration mechanism bracket, and the front end of the impact hammer auxiliary block is provided with an ice removing shovel for shoveling ice blocks on the surface of a power line;
the impact hammer support is fixedly arranged on the impact hammer auxiliary block, the ratchet wheel connecting rod frame is slidably arranged on the impact hammer support, and the impact hammer is fixedly arranged below the ratchet wheel connecting rod frame;
the ratchet wheel connecting rod frame is hinged with a first connecting rod, the other end of the first connecting rod is hinged with the center of a ratchet wheel plectrum, one end of the ratchet wheel plectrum is matched with the impact hammer auxiliary block, and the other end of the ratchet wheel plectrum is matched with a ratchet wheel.
Furthermore, the auxiliary walking part also comprises an auxiliary wheel, an auxiliary wheel supporting shaft, an auxiliary wheel groove and a cylinder;
the base below is installed the cylinder, and fixed mounting has the auxiliary wheel back shaft on the cylinder pole of cylinder, and the auxiliary wheel back shaft both ends are rotated and are installed the auxiliary wheel, are provided with the auxiliary wheel recess in the middle of the auxiliary wheel.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the power supply power module is used for providing power for the whole robot, the remote control module is used for receiving a remote instruction to control the whole action of the robot, the observation camera module is used for observing the surrounding environment of the robot and feeding an observation image back to the remote monitoring center, so that the technical effect of remotely controlling the robot to automatically deice is realized, the danger of workers is thoroughly avoided, the labor intensity of the workers is thoroughly lightened, and the deicing efficiency is improved;
2. according to the invention, firstly, ice blocks on the surface of a power line are shoveled by the ice removing shovel, then the power line is knocked by the impact hammer, so that larger ice blocks are further removed, and finally the power line is heated by the travelling wheels, so that stubborn ice layers attached to the surface of the power line are melted, thereby automatically and thoroughly completing the power line ice removing work and improving the ice removing quality;
3. the walking wheel of the walking part is provided with a driving wheel groove, a wheel motor drives the walking wheel to walk on a power line, the driving wheel groove is clamped on the power line, meanwhile, an auxiliary wheel groove is arranged in the middle of an auxiliary wheel of the auxiliary walking part, and the auxiliary wheel groove are matched with each other to clamp the power line together, so that the robot can walk on the power line stably and reliably to carry out deicing operation.
Drawings
Fig. 1, 3 and 4 are schematic overall structural diagrams of the present invention.
FIG. 2 is a schematic view of a robot arm section, a walking section and an assistive walking section of the present invention.
FIG. 5 is a schematic view of a vibrating portion of the present invention.
Reference numerals: 1-base, 2-vibration part, 3-mechanical arm part, 4-walking part, 5-auxiliary walking part, 201-ratchet wheel, 202-ratchet wheel plectrum, 203-first connecting rod, 204-ratchet wheel connecting rod frame, 301-impact hammer auxiliary block, 302-impact hammer bracket, 303-impact hammer, 304-motor bracket, 305-ratchet motor, 401-walking wheel, 402-walking wheel fixing seat, 403-second wheel shaft, 404-wheel motor, 405-first wheel frame rotating shaft, 406-first wheel frame, 407-second wheel frame, 408-vibration mechanism bracket, 409-walking wheel bracket, 410-second wheel frame motor, 411-first wheel frame motor, 412-driving wheel groove, 501-auxiliary wheel, 502-auxiliary wheel support shaft, 503-auxiliary wheel groove, 504-cylinder.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Embodiments are shown in fig. 1, 2, 3, 4, 5, an automated overhead line deicing robot comprising: the device comprises a base 1, wherein a walking part 4 is arranged on the side surface of the base 1, an auxiliary walking part 5 is arranged on the lower part of the base, a power supply power module and a remote control module are arranged in the base, and an observation camera module is arranged on the upper part of the base;
the power supply power module provides power for the whole robot, the remote control module receives a remote instruction to control the whole action of the robot, the remote control module can complete data transmission and instruction action with a remote monitoring center by arranging a GPRS communication module, a WIFI module or a Zigbee communication module, the observation camera module observes the surrounding environment of the robot and feeds an observation image back to the remote monitoring center, the observation camera module can pick up a camera by a camera, the thickness of an ice block is detected by a sensor, and therefore the deicing robot is remotely controlled;
the walking part drives the whole robot to walk on the power line, and the front end of the walking part is provided with a vibration part and a mechanical arm part;
the mechanical arm part comprises an impact hammer, and the vibration part drives the impact hammer to knock the power line to remove ice blocks;
when the deicing operation is carried out, firstly, ice blocks on the surface of a power line are shoveled by the deicing shovel, then the power line is knocked by the impact hammer, the ice blocks with larger size are further deiced, and finally, the power line is heated by the travelling wheels, and a stubborn ice layer attached to the surface of the power line is melted, so that the deicing work of the power line is automatically and thoroughly completed, and the deicing quality is improved;
the auxiliary walking part is matched with the walking part to clamp the power line, so that the robot can walk on the power line stably and reliably.
In an alternative of this embodiment, as shown in fig. 2, the traveling part 4 further includes a traveling wheel 401, a traveling wheel fixing base 402, a second wheel shaft 403, a wheel motor 404, a first wheel carrier rotating shaft 405, a first wheel carrier 406, a second wheel carrier 407, a vibration mechanism bracket 408, a traveling wheel bracket 409, a second wheel carrier motor 410, a first wheel carrier motor 411, and a driving wheel groove 412;
a first wheel frame motor 411 is fixedly installed on two sides of the base 1, a motor shaft of the first wheel frame motor 411 is fixedly connected with a first wheel frame rotating shaft 405, the first wheel frame rotating shaft 405 is arranged on the first wheel frame 406, a second wheel frame motor 410 is fixedly installed at the rear tail end of the first wheel frame 406, and the first wheel frame motor 411 drives the first wheel frame rotating shaft 405 to rotate so as to change the angle of the first wheel frame 406;
the second wheel frame motor 410 is connected with the second wheel shaft 403, the second wheel shaft 403 is arranged on the second wheel frame 407, the two ends of the second wheel frame 407 are provided with the travelling wheel fixing seats 402, and the second wheel frame motor 410 drives the second wheel shaft 403 to rotate, so that the angle of the second wheel frame 407 is changed;
a travelling wheel bracket 409 is arranged below the travelling wheel fixing seat 402, a wheel motor 404 is fixedly arranged on the travelling wheel bracket 409, a travelling wheel 401 is fixedly arranged on a motor shaft of the wheel motor 404, a driving wheel groove 412 is arranged on the travelling wheel 401, the wheel motor 404 drives the travelling wheel 401 to travel on a power line, and the driving wheel groove 412 is clamped on the power line;
the traveling wheel 401 has a heating function so as to heat the power line and melt the stubborn ice layer on the surface of the power line;
a vibration mechanism bracket 408, a travelling wheel fixing seat 402, a travelling wheel bracket 409, a wheel motor 404 and a wheel motor 404 which are the same as the second wheel frame 407 are arranged in front of the first wheel frame 406;
the wheel motor 404 drives the traveling wheel 401 to travel on the power line, the driving wheel groove 412 is just blocked on the power line, the first wheel frame motor 411 drives the first wheel frame rotating shaft 405 to rotate, the angle of the first wheel frame 406 can be changed, and the second wheel frame motor 410 drives the second wheel shaft 403 to rotate, the angle of the second wheel frame 407 can be changed.
In an alternative of this embodiment, as shown in fig. 2 and 5, the mechanical arm portion 3 further includes an impact hammer auxiliary block 301, an impact hammer bracket 302, a motor bracket 304, and a ratchet motor 305;
the vibrating part 2 further comprises a ratchet 201, a ratchet plectrum 202, a first connecting rod 203 and a ratchet connecting rod frame 204;
a motor bracket 304 is fixedly arranged on the vibration mechanism bracket 408, a ratchet motor 305 is fixedly arranged on the motor bracket 304, a ratchet wheel 201 is fixedly arranged on a motor shaft of the ratchet motor 305, and the ratchet wheel 201 is driven to rotate by the ratchet motor 305;
the impact hammer auxiliary block 301 is fixedly arranged on the vibration mechanism bracket 408, and the front end of the impact hammer auxiliary block is provided with an ice removing shovel for shoveling ice blocks on the surface of a power line;
the impact hammer support 302 is fixedly arranged on the impact hammer auxiliary block 301, the ratchet connecting rod frame 204 is arranged on the impact hammer support 302 in a sliding mode, and the impact hammer 303 is fixedly arranged below the ratchet connecting rod frame 204;
the ratchet connecting rod frame 204 is hinged with a first connecting rod 203, the other end of the first connecting rod 203 is hinged with the center of the ratchet plectrum 202, one end of the ratchet plectrum 202 is matched with the impact hammer auxiliary block 301, and the other end of the ratchet plectrum is matched with the ratchet 201;
the ratchet motor 305 drives the ratchet 201 to rotate, the ratchet plectrum 202 is pulled to move, the first connecting rod 203 is driven to move, the ratchet connecting rod frame 204 and the impact hammer 303 are driven to reciprocate on the impact hammer support 302, and the impact hammer 303 strikes the power line, so that the effect of removing larger ice blocks is achieved.
In an alternative of the present embodiment, as shown in fig. 2, the walking assist portion 5 further includes an assist wheel 501, an assist wheel support shaft 502, an assist wheel groove 503, and an air cylinder 504;
an air cylinder 504 is arranged below the base 1, an auxiliary wheel supporting shaft 502 is fixedly arranged on an air cylinder rod of the air cylinder 504, auxiliary wheels 501 are rotatably arranged at two ends of the auxiliary wheel supporting shaft 502, and an auxiliary wheel groove 503 is formed in the middle of each auxiliary wheel 501;
the cylinder 504 stretches out and draws back and drives the motion of auxiliary wheel back shaft 502, the auxiliary wheel recess 503 on the auxiliary wheel 501 cooperates walking wheel 401 to clip the power line, be provided with drive wheel recess 412 on walking part 4's the walking wheel 401, wheel motor 410 drive walking wheel 401 is walked on the power line, drive wheel recess 412 card is on the power line, be provided with auxiliary wheel recess 503 in the middle of auxiliary walking part 5's auxiliary wheel 501 simultaneously, the two cooperates and clips the power line jointly, make the whole reliable and stable walking of robot carry out deicing work on the power line.
Claims (3)
1. An automated overhead line deicing robot, comprising: the device comprises a base (1), wherein a walking part (4) is installed on the side surface of the base (1), an auxiliary walking part (5) is arranged at the lower part of the base, a power supply power module and a remote control module are arranged in the base, and an observation camera module is arranged at the upper part of the base;
the power supply power module provides power for the whole robot, the remote control module receives a remote instruction to control the whole action of the robot, and the observation camera module observes the surrounding environment of the robot and feeds an observation image back to the remote monitoring center;
the walking part (4) drives the whole robot to walk on a power line, and the front end of the walking part is provided with a vibration part (2) and a mechanical arm part (3);
the mechanical arm part (3) comprises an impact hammer (303), and the vibration part (2) drives the impact hammer (303) to knock the power line to remove ice blocks;
the auxiliary walking part (5) is matched with the walking part (4) to clamp the power line, so that the robot can walk on the power line stably and reliably;
the walking part (4) comprises walking wheels (401), a walking wheel fixing seat (402), a second wheel shaft (403), a wheel motor (404), a first wheel carrier rotating shaft (405), a first wheel carrier (406), a second wheel carrier (407), a vibration mechanism bracket (408), a walking wheel bracket (409), a second wheel carrier motor (410), a first wheel carrier motor (411) and a driving wheel groove (412);
a first wheel frame motor (411) is fixedly installed on two sides of the base (1), a motor shaft of the first wheel frame motor (411) is fixedly connected with a first wheel frame rotating shaft (405), the first wheel frame rotating shaft (405) is arranged on the first wheel frame (406), a second wheel frame motor (401) is fixedly installed at the rear tail end of the first wheel frame (406), and the first wheel frame motor (411) drives the first wheel frame rotating shaft (405) to rotate, so that the angle of the first wheel frame (406) is changed;
the second wheel frame motor (410) is connected with a second wheel shaft (403), the second wheel shaft (403) is arranged on a second wheel frame (407), the two ends of the second wheel frame (407) are provided with walking wheel fixing seats (402), and the second wheel frame motor (410) drives the second wheel shaft (403) to rotate so as to change the angle of the second wheel frame (407);
a travelling wheel support (409) is arranged below the travelling wheel fixing seat (402), a wheel motor (404) is fixedly mounted on the travelling wheel support (409), a travelling wheel (401) is fixedly mounted on a motor shaft of the wheel motor (404), a driving wheel groove (412) is formed in the travelling wheel (401), the wheel motor (404) drives the travelling wheel (401) to travel on a power line, and the driving wheel groove (412) is clamped on the power line;
the travelling wheel (401) has a heating function so as to heat the power line;
the front of the first wheel frame (406) is provided with a vibration mechanism bracket (408), a travelling wheel fixing seat (402), a travelling wheel bracket (409), a wheel motor (404) and a wheel motor (404), wherein the travelling wheel fixing seat is the same as the second wheel frame (407).
2. An automated overhead line deicing robot as claimed in claim 1, wherein: the mechanical arm part (3) further comprises an impact hammer auxiliary block (301), an impact hammer bracket (302), a motor bracket (304) and a ratchet motor (305);
the vibration part (2) further comprises a ratchet wheel (201), a ratchet wheel plectrum (202), a first connecting rod (203) and a ratchet wheel connecting rod frame (204);
a motor support (304) is fixedly installed on the vibration mechanism support (408), a ratchet motor (305) is fixedly installed on the motor support (304), a ratchet wheel (201) is fixedly installed on a motor shaft of the ratchet motor (305), and the ratchet wheel (201) is driven to rotate by the ratchet motor (305);
the impact hammer auxiliary block (301) is fixedly arranged on the vibration mechanism bracket (408), and the front end of the impact hammer auxiliary block is provided with an ice removing shovel to shovel ice blocks on the surface of a power line;
the impact hammer support (302) is fixedly arranged on the impact hammer auxiliary block (301), the ratchet wheel connecting rod frame (204) is arranged on the impact hammer support (302) in a sliding mode, and the impact hammer (303) is fixedly arranged below the ratchet wheel connecting rod frame (204);
the ratchet wheel connecting rod frame (204) is hinged with a first connecting rod (203), the other end of the first connecting rod (203) is hinged with the center of the ratchet wheel shifting piece (202), one end of the ratchet wheel shifting piece (202) is matched with the impact hammer auxiliary block (301), and the other end of the ratchet wheel shifting piece is matched with the ratchet wheel (201).
3. An automated overhead line deicing robot as claimed in claim 1, wherein: the auxiliary walking part (5) also comprises an auxiliary wheel (501), an auxiliary wheel supporting shaft (502), an auxiliary wheel groove (503) and a cylinder (504);
an air cylinder (504) is installed below the base (1), an auxiliary wheel supporting shaft (502) is fixedly installed on an air cylinder rod of the air cylinder (504), auxiliary wheels (501) are rotatably installed at two ends of the auxiliary wheel supporting shaft (502), and an auxiliary wheel groove (503) is formed in the middle of each auxiliary wheel (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551616.0A CN110311341B (en) | 2019-06-24 | 2019-06-24 | Automatic overhead line deicing robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551616.0A CN110311341B (en) | 2019-06-24 | 2019-06-24 | Automatic overhead line deicing robot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110311341A CN110311341A (en) | 2019-10-08 |
| CN110311341B true CN110311341B (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910551616.0A Expired - Fee Related CN110311341B (en) | 2019-06-24 | 2019-06-24 | Automatic overhead line deicing robot |
Country Status (1)
| Country | Link |
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| CN (1) | CN110311341B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117020515A (en) * | 2023-09-04 | 2023-11-10 | 央固工程科技（上海）有限公司 | Automatic welding device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU741359A1 (en) * | 1978-01-06 | 1980-06-15 | Одесский Филиал Всесоюзного Института По Проектированию Организации Энергетического Строительства "Оргэнергострой" | Device for removing ice from power transmission line wires |
| CN201388029Y (en) * | 2009-04-10 | 2010-01-20 | 成都电力机械厂 | Impact de-icer |
| CN101572397B (en) * | 2009-06-03 | 2011-04-13 | 湖南大学 | Deicing mechanism of overhead line deicing robot |
| JP5006983B1 (en) * | 2011-07-20 | 2012-08-22 | 中部電力株式会社 | Wire cover material mounting apparatus and mounting method |
| CN103560468B (en) * | 2013-10-22 | 2016-07-06 | 国家电网公司 | A kind of deicing high-voltage power transmission line robot |
| CN204012595U (en) * | 2014-07-29 | 2014-12-10 | 云南电力试验研究院（集团）有限公司电力研究院 | A kind of turning formula overhead transmission line deicing machine |
| CN205791403U (en) * | 2016-05-25 | 2016-12-07 | 国家电网公司 | A kind of electric lines of force deicer |
| CN107069631A (en) * | 2017-03-21 | 2017-08-18 | 中北大学 | A kind of deicer based on power network overhead transmission line |
| CN108599075A (en) * | 2018-05-21 | 2018-09-28 | 国家电网公司 | Cable deicing device |
-
2019
- 2019-06-24 CN CN201910551616.0A patent/CN110311341B/en not_active Expired - Fee Related
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| CN110311341A (en) | 2019-10-08 |
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Effective date of registration: 20201202 Address after: 610000 China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan Province Applicant after: Sichuan Shengtai Power Engineering Consulting Co., Ltd Address before: 210049 Baixia High-tech Industrial Park Building A, No. 1 Guanghua Road, Baixia District, Nanjing City, Jiangsu Province Applicant before: Wang Zhian |
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Granted publication date: 20210101 Termination date: 20210624 |