CN112152148A - Robot for live replacement of lightning arrester of distribution line - Google Patents

Robot for live replacement of lightning arrester of distribution line Download PDF

Info

Publication number
CN112152148A
CN112152148A CN202011016437.6A CN202011016437A CN112152148A CN 112152148 A CN112152148 A CN 112152148A CN 202011016437 A CN202011016437 A CN 202011016437A CN 112152148 A CN112152148 A CN 112152148A
Authority
CN
China
Prior art keywords
worm
seat
robot
fixing base
holes
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.)
Granted
Application number
CN202011016437.6A
Other languages
Chinese (zh)
Other versions
CN112152148B (en
Inventor
李相辉
于汉启
赵阅群
王洪泉
张康
张洪奎
李红新
韩培庆
王安
矫世文
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.)
Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Yantai Power Supply Co of State Grid Shandong Electric Power 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 State Grid Corp of China SGCC, Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202011016437.6A priority Critical patent/CN112152148B/en
Publication of CN112152148A publication Critical patent/CN112152148A/en
Application granted granted Critical
Publication of CN112152148B publication Critical patent/CN112152148B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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

Landscapes

  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Manipulator (AREA)

Abstract

The invention belongs to the field of distribution lines, and particularly relates to a robot for replacing a lightning arrester on a distribution line in an electrified way.

Description

Robot for live replacement of lightning arrester of distribution line
Technical Field
The invention relates to the technical field of distribution lines, in particular to a robot for replacing a lightning arrester of a distribution line in a live-line manner.
Background
The voltage of the distribution line is 3.6 kV-40.5 kV, and the distribution line is called a high-voltage distribution line; the distribution voltage is not more than 1kV, the frequency is not more than 1000Hz, and the direct current is not more than 1500V, so that the low-voltage distribution line is called. The construction requirement of distribution lines is safe and reliable, keeps power supply continuity, reduces the line loss, improves transmission efficiency, and guarantees that the electric energy quality is good. Distribution lines can use the robot when changing the lightning rod, mention in chinese patent that bulletin number is CN209319769U the utility model discloses an live working double-armed robot for distribution lines, live working double-armed robot includes the arm, controls platform and car, the arm with control the platform and install on the car. The double-arm robot can replace human beings to finish the high-altitude live-line work of the power transmission line below 10KV, the safety problem of the live-line work can be well solved, and a human operator carries out remote control operation on the robot arm. The teleoperation mode has wide application foundation and high stability and reliability, but the robot cannot carry out height adjustment, is inconvenient to use and cannot meet the use requirement.
Disclosure of Invention
The invention aims to solve the problems that the existing robot cannot adjust the height, is inconvenient to use and cannot meet the use requirement, and provides a robot for replacing a lightning arrester in a distribution line in a live way.
In order to achieve the purpose, the invention adopts the following technical scheme:
a robot for live replacement of an arrester of a distribution line comprises an automobile, wherein a fixed seat is arranged at the top end of the automobile, a placing seat is movably arranged at the top end of the fixed seat, a mounting seat is movably arranged at one side, away from the fixed seat, of the placing seat, the fixed seat is of a hollow structure, a rotating motor is arranged at the bottom end of the inner wall of the fixed seat, a straight gear is connected to the rotating motor through an output shaft, moving rods are symmetrically arranged on two sides of the straight gear, a rack is arranged on one side, close to the straight gear, of each moving rod, the rack is meshed with the straight gear, the moving rods extend out of the fixed seat, one end, extending out of the fixed seat, of each moving rod is arranged on the placing seat, a positioning strip is arranged on one side, away from the straight gear, a positioning groove is formed in one side, close to, the placing seat is of a hollow structure, a worm is arranged in the placing seat, the worm extends out of the placing seat, the bottom end of the worm extends into the fixing seat, and the top end of the worm is connected with the mounting seat.
Preferably, one side that the carriage release lever is close to the location strip is equipped with the fixed block, the rotation recess has been seted up to one side that the fixed block was kept away from each other, the rotation recess internalization is equipped with the axis of rotation, the cover is equipped with the gyro wheel in the axis of rotation, and the gyro wheel activity is located in the constant head tank.
Preferably, the cover is equipped with the bearing on the worm, and the bearing is located and places in the seat, the worm welds in the inner circle of bearing, the draw-in groove has been seted up to the outer lane bilateral symmetry of bearing, and the top symmetry of the outer lane of bearing is equipped with the telescopic link, the top of telescopic link is located and is placed on the inner wall top of seat, the bilateral symmetry of placing the seat has seted up movable through-hole, the activity is equipped with movable post in the movable through-hole, and outside movable post extended to placing the seat, one side that the movable post is close to each other is equipped with the fly leaf, the bilateral symmetry of fly leaf is equipped with the spring, and the spring locates the one side that the worm was kept away from to the fly leaf, one side that the fly leaf was kept away from to the spring is equipped with on placing the inner wall of seat, one.
Preferably, first through-holes are symmetrically formed in the top end of the fixing seat, the moving rod extends out of the fixing seat through the first through-holes, and the moving rod is movably arranged in the first through-holes.
Preferably, a second through hole is formed in the center of the top end of the fixing seat, the worm extends out of the fixing seat through the second through hole, and the worm is movably arranged in the second through hole.
Preferably, the placing seat is symmetrically provided with third through holes, the worm extends out of the placing seat through the third through holes, and the worm is movably arranged in the third through holes.
Preferably, the telescopic link includes first support and second support, first support is hollow structure, and just first support is located on the bottom inner wall of placing the seat, first support internalization is equipped with the second support, and outside the second support extends to first support, the second support extends to the outer one end of first support and locates on the outer lane of bearing.
According to the robot for replacing the lightning arrester on the distribution line in an electrified manner, the rotating motor is additionally arranged, the rotating motor is used for driving the straight gear to rotate, the straight gear drives the rack to move, the rack drives the moving rod to move, the moving rod drives the placing seat to lift, the height of the manipulator can be rapidly changed, different construction requirements can be met, and the worm is matched with the face gear, so that the mounting seat can be adjusted in multiple angles, the angle of the manipulator can be rapidly changed, construction in multiple angles can be achieved, meanwhile, the moving stability of the worm can be guaranteed by additionally arranging the telescopic rod, deviation is avoided, and the working efficiency is guaranteed;
the lightning rod lifting device is simple in structure, and can realize angle rotation and height lifting through the same rotating motor, so that the lightning rod can be quickly replaced, and different construction requirements can be met.
Drawings
Fig. 1 is a schematic structural diagram of a robot for live replacement of an arrester on a distribution line according to the present invention;
fig. 2 is a schematic structural view of a fixing base of a robot for replacing an arrester on a distribution line in a live state according to the present invention;
fig. 3 is a schematic structural diagram of a fixing block of the robot for replacing the arrester of the distribution line in a live state, according to the present invention;
fig. 4 is a schematic structural diagram of a face gear of a robot for replacing an arrester on a distribution line in a live state according to the present invention;
fig. 5 is a schematic structural diagram of a placing seat of a robot for replacing an arrester on a distribution line in a live state.
In the figure: the device comprises an automobile 1, a fixed seat 2, a placing seat 3, a mounting seat 4, a rotating motor 5, a straight gear 6, a moving rod 7, a rack 8, a positioning strip 9, a positioning groove 10, a fixing block 11, a rotating groove 12, a rotating shaft 13, a roller 14, a gear 15, a worm 16, a bearing 17, a clamping groove 18, a telescopic rod 19, a movable column 20, a movable plate 21, a spring 22 and a clamping column 23.
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.
Referring to fig. 1-5, a robot for live replacement of an arrester of a distribution line, comprising an automobile 1, a fixed seat 2 is arranged at the top end of the automobile 1, a placing seat 3 is movably arranged at the top end of the fixed seat 2, a mounting seat 4 is movably arranged at one side of the placing seat 3 far away from the fixed seat 2, the fixed seat 2 is of a hollow structure, a rotating motor 5 is arranged at the bottom end of the inner wall of the fixed seat 2, the rotating motor 5 is connected with a straight gear 6 through an output shaft, moving rods 7 are symmetrically arranged at two sides of the straight gear 6, a rack 8 is arranged at one side of the moving rod 7 near the straight gear 6, the rack 8 is meshed with the straight gear 6, the moving rod 7 extends out of the fixed seat 2, one end of the moving rod 7 extending out of the fixed seat 2 is arranged on the placing seat 3, a positioning bar 9 is arranged at one side of the moving, one side welding that the rotating electrical machines 5 was kept away from to spur gear 6 has face gear 15, places seat 3 and is hollow structure, and places and be equipped with worm 16 in the seat 3, and outside worm 16 extended to placing seat 3, in the bottom of worm 16 extended to fixing base 2, and the top of worm 16 was connected with mount pad 4.
In the invention, a fixed block 11 is arranged on one side of a moving rod 7 close to a positioning strip 9, a rotating groove 12 is arranged on one side of the fixed block 11 away from each other, a rotating shaft 13 is movably arranged in the rotating groove 12, a roller 14 is sleeved on the rotating shaft 13, the roller 14 is movably arranged in a positioning groove 10, a bearing 17 is sleeved on a worm 16, the bearing 17 is arranged in a placing seat 3, the worm 16 is welded on an inner ring of the bearing 17, clamping grooves 18 are symmetrically arranged on two sides of an outer ring of the bearing 17, telescopic rods 19 are symmetrically arranged on the top end of the outer ring of the bearing 17, the top end of the telescopic rod 19 is arranged on the top end of an inner wall of the placing seat 3, movable through holes are symmetrically arranged on two sides of the placing seat 3, a movable column 20 is movably arranged in the movable through holes, the movable column 20 extends out of the placing seat 3, the spring 22 is arranged on one side of the movable plate 21 far away from the worm 16, one side of the spring 22 far away from the movable plate 21 is provided with an inner wall of the placing seat 3, one side of the movable plate 21 near the worm 16 is provided with four clamping columns 23, the clamping columns 23 are movably arranged in the clamping grooves 18, the top end of the fixed seat 2 is symmetrically provided with first through holes, the moving rod 7 extends out of the fixed seat 2 through the first through holes, the moving rod 7 is movably arranged in the first through holes, the center of the top end of the fixed seat 2 is provided with second through holes, the worm 16 extends out of the fixed seat 2 through the second through holes, the worm 16 is movably arranged in the second through holes, the placing seat 3 is symmetrically provided with third through holes, the worm 16 extends out of the placing seat 3 through the third through holes, the worm 16 is movably arranged in the third through holes, the telescopic rod 19 comprises a first bracket and a second bracket, the first bracket, and the first support is arranged on the inner wall of the bottom end of the placing seat 3, the second support is movably arranged in the first support and extends out of the first support, and one end of the second support extending out of the first support is arranged on the outer ring of the bearing 17.
In the invention, when in use, the movable column 20 is pulled, the movable column 20 drives the movable plate 21 to move, the movable plate 21 presses the spring 22, the spring 22 elastically contracts, the movable plate 21 drives the clamping column 23 to separate from the clamping groove 18, the worm 16 descends, meanwhile, the worm 16 drives the telescopic rod 19 to move through the bearing 17, when the telescopic rod 19 reaches the maximum telescopic length, the worm 16 is meshed with the face gear 15, the movable column 20 is loosened, the spring 22 elastically extends, the spring 22 drives the movable column 20 to move, the movable column 20 drives the clamping column 23 to enter the clamping groove 18, the rotary motor 5 is started, the rotary motor 5 drives the straight gear 6 and the face gear 15 to rotate through the output shaft, a gap exists between the placing seat 3 and the installing seat 4, the gap is enough for the installing seat 4 to rotate 720 degrees, the face gear 15 drives the worm 16 to rotate, the worm 16 drives the installing seat 4 to rotate, and simultaneously, because a gap exists between the placing seat 3 and the mounting seat 4, no influence is generated on the rotation of the worm 16, when the manipulator reaches a proper angle, the rotating motor 5 is stopped, the movable column 20 is pulled, the movable column 20 drives the movable plate 21 to move, the movable plate 21 extrudes the spring 22, the spring 22 elastically contracts, the movable plate 21 drives the clamping column 23 to separate from the clamping groove 18, the worm 16 is moved upwards, when the telescopic rod 19 is completely contracted, the movable column 20 is loosened, the spring 22 elastically extends, the spring 22 drives the movable column 20 to move, the movable column 20 drives the clamping column 23 to enter the clamping groove 18, the rotating motor 5 is started again, the rotating motor 5 drives the straight gear 6 and the face gear 15 to rotate through the output shaft, the straight gear 6 drives the placing seat 3 to move upwards through the rack 8, when the placing seat 3 is contacted with the mounting seat 4, the placing seat 3 drives the mounting seat 4 to move, so as, after reaching a proper position, the rotating motor 5 is stopped, the structure of the lightning rod.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides a robot for distribution lines changes arrester with electricity, includes car (1), its characterized in that, the top of car (1) is equipped with fixing base (2), the top activity of fixing base (2) is equipped with places seat (3), one side activity of keeping away from fixing base (2) of placing seat (3) is equipped with mount pad (4), fixing base (2) are hollow structure, the inner wall bottom of fixing base (2) is equipped with rotating electrical machines (5), rotatory diji (5) has straight-teeth gear (6) through output shaft connection, the bilateral symmetry of straight-teeth gear (6) is equipped with carriage release lever (7), one side that carriage release lever (7) is close to straight-teeth gear (6) is equipped with rack (8), and rack (8) and straight-teeth gear (6) meshing, carriage release lever (7) extend outside fixing base (2), and carriage release lever (7) extend to the outer one end of fixing base (2) and locate on placing seat (3), one side that straight-teeth gear (6) was kept away from in carriage release lever (7) is equipped with location strip (9), constant head tank (10) have been seted up to one side that location strip (9) are close to carriage release lever (7), one side welding that rotating electrical machines (5) were kept away from in straight-teeth gear (6) has face gear (15), place seat (3) and be hollow structure, and place and be equipped with worm (16) in seat (3), outside worm (16) extended to place seat (3), the bottom of worm (16) extends to in fixing base (2), and the top of worm (16) is connected with mount pad (4).
2. The robot for live replacement of the lightning arrester of the distribution line according to claim 1, wherein a fixing block (11) is arranged on one side of the moving rod (7) close to the positioning strip (9), a rotating groove (12) is formed on one side of the fixing block (11) away from each other, a rotating shaft (13) is movably arranged in the rotating groove (12), a roller (14) is sleeved on the rotating shaft (13), and the roller (14) is movably arranged in the positioning groove (10).
3. The robot for live replacement of the lightning arrester of the distribution line according to claim 1, wherein the worm (16) is sleeved with a bearing (17), the bearing (17) is arranged in the placing seat (3), the worm (16) is welded on an inner ring of the bearing (17), clamping grooves (18) are symmetrically formed in two sides of an outer ring of the bearing (17), telescopic rods (19) are symmetrically arranged at top ends of the outer ring of the bearing (17), top ends of the telescopic rods (19) are arranged on top ends of inner walls of the placing seat (3), movable through holes are symmetrically formed in two sides of the placing seat (3), movable columns (20) are movably arranged in the movable through holes, the movable columns (20) extend out of the placing seat (3), a movable plate (21) is arranged on one side of the movable columns (20) close to each other, springs (22) are symmetrically arranged on two sides of the movable plates (21), and the spring (22) is arranged on one side of the movable plate (21) far away from the worm (16), one side of the spring (22) far away from the movable plate (21) is provided with an inner wall for placing the seat (3), one side of the movable plate (21) close to the worm (16) is provided with four clamping columns (23), and the clamping columns (23) are movably arranged in the clamping grooves (18).
4. The robot for live replacement of the lightning arrester of the distribution line according to claim 1, wherein the top end of the fixing base (2) is symmetrically provided with first through holes, the moving rod (7) extends out of the fixing base (2) through the first through holes, and the moving rod (7) is movably arranged in the first through holes.
5. The robot for live replacement of the lightning arrester of the distribution line according to claim 1, wherein a second through hole is formed in the center of the top end of the fixing base (2), the worm (16) extends out of the fixing base (2) through the second through hole, and the worm (16) is movably arranged in the second through hole.
6. The robot for live replacement of the lightning arrester of the distribution line according to claim 1, wherein the placing base (3) is symmetrically provided with third through holes, the worm (16) extends out of the placing base (3) through the third through holes, and the worm (16) is movably arranged in the third through holes.
7. The robot for live replacement of the lightning arrester on the distribution line according to claim 3, wherein the telescopic rod (19) comprises a first support and a second support, the first support is of a hollow structure and is arranged on the inner wall of the bottom end of the placing seat (3), the second support is movably arranged in the first support and extends out of the first support, and one end of the second support, which extends out of the first support, is arranged on the outer ring of the bearing (17).
CN202011016437.6A 2020-09-24 2020-09-24 Robot for live replacement of lightning arrester of distribution line Expired - Fee Related CN112152148B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011016437.6A CN112152148B (en) 2020-09-24 2020-09-24 Robot for live replacement of lightning arrester of distribution line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011016437.6A CN112152148B (en) 2020-09-24 2020-09-24 Robot for live replacement of lightning arrester of distribution line

Publications (2)

Publication Number Publication Date
CN112152148A true CN112152148A (en) 2020-12-29
CN112152148B CN112152148B (en) 2022-04-29

Family

ID=73896713

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011016437.6A Expired - Fee Related CN112152148B (en) 2020-09-24 2020-09-24 Robot for live replacement of lightning arrester of distribution line

Country Status (1)

Country Link
CN (1) CN112152148B (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363493A (en) * 1964-08-19 1968-01-16 Kieserling & Albrecht Apparatus for shaving pipes and the like
CN206842537U (en) * 2017-04-19 2018-01-05 苏州大得机械科技有限公司 A kind of vertical stacking machine
CN207014332U (en) * 2017-07-21 2018-02-16 王佳锋 Garbage collection mechanism is used in a kind of triode multiplication factor test
CN108058559A (en) * 2018-01-19 2018-05-22 西南交通大学 A kind of bicylindrical formula energy regenerative damper
CN108271438A (en) * 2018-04-04 2018-07-13 沈华伦 A kind of energy-efficient Mini-type ditching machine
CN108527385A (en) * 2018-04-17 2018-09-14 郭斌 A kind of robot for self-timer
CN208485548U (en) * 2018-06-27 2019-02-12 安徽博一流体传动股份有限公司 A kind of novel pneumatic light lifter
CN209064596U (en) * 2018-10-22 2019-07-05 上海杏家医疗科技有限公司 A kind of placenta freeze-drying refinement product quality test kit
CN209319769U (en) * 2018-10-24 2019-08-30 国网江苏省电力有限公司徐州供电分公司 A kind of livewire work tow-armed robot for distribution line
CN110672160A (en) * 2019-11-19 2020-01-10 北京享云智汇科技有限公司 Soil pollution degree monitoring facilities

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3363493A (en) * 1964-08-19 1968-01-16 Kieserling & Albrecht Apparatus for shaving pipes and the like
CN206842537U (en) * 2017-04-19 2018-01-05 苏州大得机械科技有限公司 A kind of vertical stacking machine
CN207014332U (en) * 2017-07-21 2018-02-16 王佳锋 Garbage collection mechanism is used in a kind of triode multiplication factor test
CN108058559A (en) * 2018-01-19 2018-05-22 西南交通大学 A kind of bicylindrical formula energy regenerative damper
CN108271438A (en) * 2018-04-04 2018-07-13 沈华伦 A kind of energy-efficient Mini-type ditching machine
CN108527385A (en) * 2018-04-17 2018-09-14 郭斌 A kind of robot for self-timer
CN208485548U (en) * 2018-06-27 2019-02-12 安徽博一流体传动股份有限公司 A kind of novel pneumatic light lifter
CN209064596U (en) * 2018-10-22 2019-07-05 上海杏家医疗科技有限公司 A kind of placenta freeze-drying refinement product quality test kit
CN209319769U (en) * 2018-10-24 2019-08-30 国网江苏省电力有限公司徐州供电分公司 A kind of livewire work tow-armed robot for distribution line
CN110672160A (en) * 2019-11-19 2020-01-10 北京享云智汇科技有限公司 Soil pollution degree monitoring facilities

Also Published As

Publication number Publication date
CN112152148B (en) 2022-04-29

Similar Documents

Publication Publication Date Title
CN112152148B (en) Robot for live replacement of lightning arrester of distribution line
CN110498374A (en) A kind of automatic rod rising device with motion arm
CN205442525U (en) Supplementary device of changing of part
CN215846689U (en) Device convenient to welding outer circumferential weld of wind power tower section of thick bamboo
CN211688159U (en) Electric power overhauls uses low pressure work platform
CN219458821U (en) Vehicle-mounted generator bearing mechanism
CN107098277B (en) A kind of small-sized electric power equipment take-off and landing device
CN211736281U (en) Insulating ladder for electric power overhaul
CN212795161U (en) Automatic cutting board machine convenient to remove
CN219504762U (en) Transformer substation high-voltage equipment overhauls arm
CN212793520U (en) Welding head rotating device for spot welding machine
CN209320490U (en) Spray head trolley goes up and down gear conversion equipment
CN216316351U (en) Circuit planning simulation device for power design
CN220798757U (en) Quick mounting structure of electric power monitor terminal
CN113889937B (en) Temporary cable support for electric power engineering site
CN217382263U (en) Liftable monitoring system for transformer substation
CN217215690U (en) High-voltage power line crossing frame for power line migration and transformation project
CN219933432U (en) Auxiliary control device for environmental monitoring of transformer substation
CN221263331U (en) Lightning protection device for transmission line
CN221210168U (en) Automatic electrode feeding device
CN219998891U (en) Main line jacking tool for post insulator
CN217833498U (en) Engine assembling device
CN218855860U (en) Heavy electrode butt welding device
CN215452718U (en) Motor overhauls with adjusting formula positioning tool
CN220337960U (en) Supporting device for electric power engineering machinery

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210602

Address after: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong

Applicant after: State Grid Shandong Electric Power Company Yantai Power Supply Co.

Address before: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong

Applicant before: State Grid Shandong Electric Power Company Yantai Power Supply Co.

Applicant before: STATE GRID CORPORATION OF CHINA

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220429