CN111431120A - Cable deicing equipment - Google Patents
Cable deicing equipment Download PDFInfo
- Publication number
- CN111431120A CN111431120A CN202010256311.XA CN202010256311A CN111431120A CN 111431120 A CN111431120 A CN 111431120A CN 202010256311 A CN202010256311 A CN 202010256311A CN 111431120 A CN111431120 A CN 111431120A
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- Prior art keywords
- deicing
- walking
- assembly
- motor
- fixed
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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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Abstract
The invention discloses cable deicing equipment, which comprises a box body, a remote control system, a gasoline engine, a partition plate, an anti-falling assembly, a first walking assembly, a deicing assembly, a walking motor and a deicing motor, wherein the deicing assembly and the deicing motor are arranged; through setting up first walking subassembly and walking motor, the walking motor drives first walking wheel, and first walking wheel and second walking wheel centre gripping are walked on the cable, realize cable deicing equipment's walking operation, simple structure, and convenient operation is swift, and the market promotion and the application of being convenient for, second walking wheel carries out fixed connection through the equipment board with the mounting panel, is convenient for install cable deicing equipment on the cable.
Description
Technical Field
The invention relates to the technical field of cable deicing, in particular to cable deicing equipment.
Background
The damage of the accumulated ice of the cable is divided into direct damage and indirect damage, the direct damage can cause great influence on electric power and communication, the indirect damage is other damage derived from disasters such as electric power and communication, the electric power damage in the disasters is very obvious, the accumulated ice of the cable increases the windward side in the atmosphere, the cable can be waved when the wind direction is proper, and the power transmission line is unstable; the cable insulation sheath loses insulation to the ground due to ice accumulation, and short circuit is caused to interrupt power; when the accumulated ice covered by the cable exceeds the load limit, the cable is broken by pressure, power transmission interruption is caused, the accumulated ice of the cable causes asymmetrical stress of a high-voltage power transmission tower, the power transmission tower cannot be maintained stably and collapses finally, most of the existing cable deicing equipment adopts heating to perform deicing operation, the deicing efficiency is lower, large-scale cable deicing operation is not facilitated, and therefore the cable deicing equipment is urgently needed to be developed to solve the problems and facilitate market popularization and application.
To this end, a cable de-icing device is proposed.
Disclosure of Invention
The invention aims to provide cable deicing equipment, which is provided with a deicing assembly and a deicing motor, wherein a gasoline engine supplies power to the deicing motor, the deicing motor drives a deicing driven pulley to rotate to drive a deicing cutter to rotate, and deicing operation is carried out on cable ice coating encountered in the advancing process, compared with the cable deicing operation carried out in a heating mode, the cable deicing efficiency is improved, large-scale cable deicing operation is facilitated, the cable deicing equipment is convenient to carry out, the cable deicing equipment is provided with a first walking assembly and a walking motor, the walking motor drives a first walking wheel, the first walking wheel and a second walking wheel are clamped on a cable to walk, the walking operation of the cable deicing equipment is realized, the structure is simple, the operation is convenient and rapid, the market popularization and application are convenient, the second walking wheel is fixedly connected with a mounting plate through an assembling plate, the cable deicing equipment is convenient to be mounted on the cable, the arranged anti-off assemblies, the anti-falling plate frame is arranged above the cable, plays a role in protecting the cable deicing equipment, avoids the phenomenon that the cable deicing equipment falls off, guarantees the safety performance of the cable deicing equipment, prolongs the service life of the cable deicing equipment, and solves the problem mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a cable deicing device comprises a box body, a remote control system, a gasoline engine, a partition plate, an anti-falling assembly, a first walking assembly, a deicing assembly, a walking motor and a deicing motor, wherein the partition plate is fixed in the middle of the interior of the box body through bolts; the remote control system and the gasoline engine are respectively fixed below the inner part of the box body through bolts, the remote control system and the gasoline engine are positioned below the partition plate, and the remote control system is electrically connected with the gasoline engine through a lead; the anti-falling assemblies are two and are fixed at two ends above the box body through bolts; the first walking component and the first walking component are respectively fixed above the box body through bolts, and the first walking component are positioned between the anti-falling components; the deicing assembly is fixed above the box body through bolts and is positioned on the outer side of the anti-falling assembly; the walking motor is fixed at one end, far away from the deicing assembly, above the partition plate through a bolt, and is respectively connected with the remote control system and the gasoline engine through a lead, and an output shaft of the walking motor is provided with a walking driving belt pulley; the deicing motor is fixed at one end, close to the deicing assembly, above the partition plate through a bolt, the deicing motor is respectively connected with the remote control system and the gasoline engine through a lead, and an output shaft of the deicing motor is provided with a deicing driving belt pulley; and a through hole is formed above the box body.
Preferably, the anti-falling assembly comprises four fixed plates, upright columns and anti-falling plates, the fixed plates are fixed on the front side and the rear side of the two ends above the box body through bolts, and the upright columns are fixed on the tail ends above the fixed plates through bolts; the anti-falling plate is fixed above the stand column through bolts, the lower end of the anti-falling plate is arc-shaped, and a rubber pad is arranged at the lower end of the anti-falling plate.
Preferably, the first walking assembly comprises two mounting plates, a first walking wheel, a second walking wheel and an assembling plate, and the mounting plates are fixed above the box body through bolts; the first travelling wheel is fixed below the mounting plates through a shaft sleeve, and a travelling driven belt pulley is arranged at the tail end of a main shaft of the first travelling wheel; the second travelling wheel is fixed above the mounting plates through a shaft sleeve; the assembling plate is fixed above the mounting plate through bolts.
Preferably, the mounting plates are arranged in parallel; the walking driven belt pulley of the first walking wheel is connected with the walking driving belt pulley of the walking motor through a belt; the second travelling wheel and the first travelling wheel are the same in size, and a clamping groove is formed in the middle of the circumference of the second travelling wheel and the first travelling wheel; the lower end of the assembling plate is attached to the second traveling wheel shaft sleeve.
Preferably, the deicing assembly comprises a supporting plate, a deicing driven pulley, a deicing sleeve and a deicing knife, the supporting plate is fixed at one end, close to the deicing motor, above the box body through bolts, and a through hole is formed in the supporting plate; the deicing driven pulley is fixed at one end, close to the deicing motor, above the supporting plate through a shaft sleeve, and is connected with a deicing driving pulley of the deicing motor through a belt; the deicing sleeve is fixed at one end, close to the deicing motor, of the deicing driven pulley through a bolt; the number of the deicing knives is two, and the deicing knives are fixed on the upper side and the lower side of the deicing sleeve through bolts.
Preferably, the remote control system comprises a signal receiving module, a signal conversion module, a microprocessor, a control module and a power supply module, and is connected with the ground remote controller through a wireless signal; the first walking assembly is similar to the first walking assembly in structure, and is different from the first walking assembly in that a walking driven pulley is not arranged at the tail end of a main shaft of a first walking wheel of the first walking assembly.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the gasoline engine supplies power to the deicing motor through the deicing assembly and the deicing motor, the deicing motor drives the deicing driven belt pulley to rotate, the deicing cutter is driven to rotate, and deicing operation is carried out on cable ice coating encountered in the advancing process;
2. according to the cable deicing device, the first walking assembly and the walking motor are arranged, the walking motor drives the first walking wheel, and the first walking wheel and the second walking wheel are clamped on the cable to walk, so that the walking operation of the cable deicing device is realized, the structure is simple, the operation is convenient and fast, the market popularization and application are convenient, the second walking wheel is fixedly connected with the mounting plate through the assembling plate, and the cable deicing device is convenient to mount on the cable;
3. according to the invention, the anti-falling assembly is arranged, the anti-falling assemblies are arranged at two ends above the box body, and the anti-falling plate is erected above the cable, so that the cable deicing equipment is protected, the phenomenon that the cable deicing equipment falls off is avoided, the safety performance of the cable deicing equipment is ensured, and the service life of the cable deicing equipment is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the anti-separation assembly of the present invention;
FIG. 3 is a schematic structural diagram of a first travel assembly of the present invention;
fig. 4 is a schematic structural view of a deicing assembly of the present invention.
In the figure: 1. a box body; 2. a remote control system; 3. a gasoline engine; 4. a partition plate; 5. an anti-drop component; 501. a fixing plate; 502. a column; 503. an anti-drop plate; 6. a first travel assembly; 601. mounting a plate; 602. a first running wheel; 603. a second road wheel; 604. assembling a plate; 7. a second walking assembly; 8. a deicing assembly; 801. a support plate; 802. deicing the driven pulley; 803. a deicing sleeve; 804. an ice removing blade; 9. a traveling motor; 10. and (5) deicing the motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a cable deicing device is shown in figure 1 and comprises a box body 1, a remote control system 2, a gasoline engine 3, a partition plate 4, an anti-falling assembly 5, a first walking assembly 6, a first walking assembly 7, a deicing assembly 8, a walking motor 9 and a deicing motor 10, wherein the partition plate 4 is fixed in the middle of the interior of the box body 1 through bolts; the remote control system 2 and the gasoline engine 3 are respectively fixed below the inner part of the box body 1 through bolts, the remote control system 2 and the gasoline engine 3 are positioned below the partition plate 4, and the remote control system 2 is electrically connected with the gasoline engine 3 through a lead; the number of the anti-falling assemblies 5 is two, and the anti-falling assemblies 5 are fixed at two ends above the box body 1 through bolts; the first walking component 6 and the first walking component 7 are respectively fixed above the box body 1 through bolts, and the first walking component 6 and the first walking component 7 are positioned between the anti-falling components 5; the deicing assembly 8 is fixed above the box body 1 through bolts, and the deicing assembly 8 is positioned on the outer side of the anti-falling assembly 5; the walking motor 9 is fixed at one end, far away from the deicing assembly 8, above the partition plate 4 through a bolt, the walking motor 9 is respectively connected with the remote control system 2 and the gasoline engine 3 through a lead, and a walking driving belt pulley is arranged on an output shaft of the walking motor 9; the deicing motor 10 is fixed at one end, close to the deicing assembly 8, above the partition plate 4 through bolts, the deicing motor 10 is respectively connected with the remote control system 2 and the gasoline engine 3 through leads, and an output shaft of the deicing motor 10 is provided with a deicing driving belt pulley; and a through hole is formed above the box body 1.
Specifically, as shown in fig. 2, the anti-drop assembly 5 includes four fixing plates 501, columns 502 and anti-drop plates 503, the fixing plates 501 are fixed at the front and rear sides of the two ends above the box body 1 by bolts, and the columns 502 are fixed at the ends above the fixing plates 501 by bolts; the anti-drop plate 503 is fixed above the upright column 502 by bolts, the lower end of the anti-drop plate 503 adopts a circular arc shape, and the lower end of the anti-drop plate 503 is provided with a rubber pad.
Through adopting above-mentioned technical scheme, set up anticreep subassembly 5 at the both ends of box 1 top, anticreep board 503 erects in the top of cable, plays the protection operation to cable deicing equipment, avoids cable deicing equipment the phenomenon that drops to appear, guarantees cable deicing equipment's security performance, improves cable deicing equipment's life.
Specifically, as shown in fig. 3, the first traveling assembly 6 includes two mounting plates 601, a first traveling wheel 602, a second traveling wheel 603 and an assembling plate 604, and the mounting plates 601 are fixed above the box body 1 by bolts; the first traveling wheel 602 is fixed below the mounting plates 601 through a shaft sleeve, and a traveling driven pulley is arranged at the tail end of a main shaft of the first traveling wheel 602; the second travelling wheels 603 are fixed above the mounting plates 601 through shaft sleeves; the assembly plate 604 is fixed above the mounting plate 601 by bolts.
Through adopting above-mentioned technical scheme, walking motor 9 drives first walking wheel 602, and first walking wheel 602 and second walking wheel 603 centre gripping are walked on the cable, realize cable deicing equipment's walking operation, simple structure, and convenient operation is swift, the marketing and the application of being convenient for.
Specifically, as shown in fig. 3, the mounting plates 601 are arranged in parallel; the walking driven pulley of the first walking wheel 602 is connected with the walking driving pulley of the walking motor 9 through a belt; the second travelling wheel 603 and the first travelling wheel 602 have the same size, and a clamping groove is formed in the middle of the circumference of the second travelling wheel 603 and the first travelling wheel 602; the lower end of the assembling plate 604 is attached to the second road wheel 603 in a shaft sleeve manner.
By adopting the technical scheme, the second travelling wheel 603 is fixedly connected with the mounting plate 601 through the assembling plate 604, so that the cable deicing equipment can be conveniently mounted on a cable.
Specifically, as shown in fig. 4, the deicing assembly 8 includes a supporting plate 801, a deicing driven pulley 802, a deicing sleeve 803 and a deicing knife 804, the supporting plate 801 is fixed at one end of the box 1 near the deicing motor 10 by bolts, and the supporting plate 801 is provided with through holes; the deicing driven pulley 802 is fixed at one end, close to the deicing motor 10, above the supporting plate 801 through a shaft sleeve, and the deicing driven pulley 802 is connected with a deicing driving pulley of the deicing motor 10 through a belt; the deicing sleeve 803 is fixed at one end of the deicing driven pulley 802 close to the deicing motor 10 through bolts; the number of the deicing blades 804 is two, and the deicing blades 804 are fixed on the upper and lower sides of the deicing sleeve 803 by bolts.
Through adopting above-mentioned technical scheme, the power supply is supplied for deicing motor 10 to gasoline engine 3, and deicing motor 10 drives deicing driven pulley 802 and rotates, and drive deicing sword 804 is rotatory, covers the cable that meets to the in-process of marcing and ices and carry out the deicing operation, compares and adopts the heating method to carry out the cable deicing operation, improves cable deicing efficiency, is favorable to carrying out cable deicing operation on a large scale.
Specifically, as shown in fig. 1, the remote control system 2 includes a signal receiving module, a signal conversion module, a microprocessor, a control module and a power supply module, and the remote control system 2 is connected to the ground remote controller through a wireless signal; the first travelling assembly 7 is of similar construction to the first travelling assembly 6, and differs in that the first travelling wheel spindle of the first travelling assembly 7 is not provided with a travelling driven pulley at its end.
Through adopting above-mentioned technical scheme, remote control system 2 is convenient for carry out opening and closing of cable deicing equipment through ground remote controller, and remote control system 2 cooperates ground remote controller to carry out cable deicing equipment's control to be prior art, and here no longer describes tiredly.
The working principle is as follows: when the cable deicing device is used, the traveling motor 9 drives the first traveling wheel 602, the first traveling wheel 602 and the second traveling wheel 603 are clamped on a cable to travel, and traveling operation of the cable deicing device is realized, the structure is simple, the operation is convenient and fast, and the market popularization and application are convenient, the second traveling wheel 603 and the mounting plate 601 are fixedly connected through the assembling plate 604, the cable deicing device is convenient to mount on the cable, the gasoline engine 3 supplies power for the deicing motor 10, the deicing motor 10 drives the deicing driven belt pulley 802 to rotate, the deicing cutter 804 is driven to rotate, deicing operation is performed on cable icing encountered in the traveling process, compared with the cable deicing operation performed in a heating mode, the cable deicing efficiency is improved, large-scale cable deicing operation is facilitated, the anti-falling assemblies 5 are arranged at two ends above the box body 1, the anti-falling plates 503 are erected above the cable, and protective operation is performed on the, avoid cable deicing equipment to appear the phenomenon that drops, guarantee cable deicing equipment's security performance, improve cable deicing equipment's life, remote control system 2 is convenient for carry out opening and closing of cable deicing equipment through ground remote controller, and remote control system 2 cooperates ground remote controller to carry out cable deicing equipment's control is prior art, and here no longer states tiredly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. .
Claims (6)
1. A cable de-icing apparatus, characterized by: the device comprises a box body (1), a remote control system (2), a gasoline engine (3), a partition plate (4), an anti-falling assembly (5), a first walking assembly (6), a first walking assembly (7), a deicing assembly (8), a walking motor (9) and a deicing motor (10), wherein the partition plate (4) is fixed in the middle of the interior of the box body (1) through bolts; the remote control system (2) and the gasoline engine (3) are respectively fixed below the interior of the box body (1) through bolts, the remote control system (2) and the gasoline engine (3) are positioned below the partition plate (4), and the remote control system (2) is electrically connected with the gasoline engine (3) through a lead; the anti-falling device comprises two anti-falling assemblies (5), and the anti-falling assemblies (5) are fixed at two ends above the box body (1) through bolts; the first walking component (6) and the first walking component (7) are respectively fixed above the box body (1) through bolts, and the first walking component (6) and the first walking component (7) are positioned between the anti-falling components (5); the deicing assembly (8) is fixed above the box body (1) through bolts, and the deicing assembly (8) is positioned on the outer side of the anti-falling assembly (5); the walking motor (9) is fixed at one end, far away from the deicing assembly (8), above the partition plate (4) through a bolt, the walking motor (9) is respectively connected with the remote control system (2) and the gasoline engine (3) through a lead, and a walking driving belt pulley is arranged on an output shaft of the walking motor (9); the deicing motor (10) is fixed at one end, close to the deicing assembly (8), above the partition plate (4) through bolts, the deicing motor (10) is respectively connected with the remote control system (2) and the gasoline engine (3) through leads, and an output shaft of the deicing motor (10) is provided with a deicing driving belt pulley; the upper part of the box body (1) is provided with a through hole.
2. Cable deicing apparatus as set forth in claim 1, wherein: the anti-falling assembly (5) comprises four fixing plates (501), upright columns (502) and anti-falling plates (503), the fixing plates (501) are fixed to the front side and the rear side of the two ends above the box body (1) through bolts, and the upright columns (502) are fixed to the tail ends above the fixing plates (501) through bolts; the anti-drop plate (503) is fixed above the upright column (502) through bolts, the lower end of the anti-drop plate (503) is arc-shaped, and a rubber pad is arranged at the lower end of the anti-drop plate (503).
3. Cable deicing apparatus as set forth in claim 1, wherein: the first walking assembly (6) comprises two mounting plates (601), a first walking wheel (602), a second walking wheel (603) and an assembling plate (604), and the mounting plates (601) are fixed above the box body (1) through bolts; the first travelling wheel (602) is fixed below the mounting plates (601) through a shaft sleeve, and a travelling driven belt pulley is arranged at the tail end of a main shaft of the first travelling wheel (602); the second travelling wheels (603) are fixed above the mounting plates (601) through shaft sleeves; the assembling plate (604) is fixed above the mounting plate (601) through bolts.
4. Cable deicing apparatus as claimed in claim 3, characterized in that: the mounting plates (601) are arranged in parallel; the walking driven belt pulley of the first walking wheel (602) is connected with the walking driving belt pulley of the walking motor (9) through a belt; the second travelling wheel (603) and the first travelling wheel (602) are the same in size, and a clamping groove is formed in the middle of the circumference of the second travelling wheel (603) and the first travelling wheel (602); the lower end of the assembling plate (604) is attached to the shaft sleeve of the second road wheel (603).
5. Cable deicing apparatus as set forth in claim 1, wherein: the deicing assembly (8) comprises a supporting plate (801), a deicing driven pulley (802), a deicing sleeve (803) and a deicing knife (804), the supporting plate (801) is fixed at one end, close to the deicing motor (10), above the box body (1) through bolts, and a through hole is formed in the supporting plate (801); the deicing driven pulley (802) is fixed at one end, close to the deicing motor (10), above the supporting plate (801) through a shaft sleeve, and the deicing driven pulley (802) is connected with a deicing driving pulley of the deicing motor (10) through a belt; the deicing sleeve (803) is fixed at one end, close to the deicing motor (10), of the deicing driven pulley (802) through a bolt; the number of the deicing knives (804) is two, and the deicing knives (804) are fixed on the upper side and the lower side of the deicing sleeve (803) through bolts.
6. Cable deicing apparatus as set forth in claim 1, wherein: the remote control system (2) comprises a signal receiving module, a signal conversion module, a microprocessor, a control module and a power supply module, and the remote control system (2) is connected with a ground remote controller through a wireless signal; the first walking assembly (7) is similar to the first walking assembly (6) in structure, and is different in that a tail end of a main shaft of a first walking wheel of the first walking assembly (7) is not provided with a walking driven pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256311.XA CN111431120A (en) | 2020-04-02 | 2020-04-02 | Cable deicing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010256311.XA CN111431120A (en) | 2020-04-02 | 2020-04-02 | Cable deicing equipment |
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| Publication Number | Publication Date |
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| CN111431120A true CN111431120A (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010256311.XA Pending CN111431120A (en) | 2020-04-02 | 2020-04-02 | Cable deicing equipment |
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| CN (1) | CN111431120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899781A (en) * | 2022-06-28 | 2022-08-12 | 安徽泰然信息技术有限公司 | Cable deicing equipment for electric power operation and maintenance |
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| CN106911113A (en) * | 2017-05-04 | 2017-06-30 | 成都中机盈科科技有限公司 | It is applied to the icing sweeping robot of overhead power transmission line |
| CN108110714A (en) * | 2017-12-20 | 2018-06-01 | 鲁军 | A kind of high voltage cable deicing device |
| CN108963935A (en) * | 2017-05-26 | 2018-12-07 | 熊贱林 | Facilitate the cable de-icing device of installation |
| CN110190572A (en) * | 2019-06-26 | 2019-08-30 | 安徽工程大学 | A kind of deicer of cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201198924Y (en) * | 2008-04-22 | 2009-02-25 | 刘�英 | Assembled skid-proof high-voltage cable support |
| US20100243631A1 (en) * | 2009-03-24 | 2010-09-30 | Tung Minh Huynh | Power Line De-Icing Apparatus |
| CN106871827A (en) * | 2017-03-31 | 2017-06-20 | 国家电网公司 | Portable power transmission line sag detection means |
| CN106911113A (en) * | 2017-05-04 | 2017-06-30 | 成都中机盈科科技有限公司 | It is applied to the icing sweeping robot of overhead power transmission line |
| CN108963935A (en) * | 2017-05-26 | 2018-12-07 | 熊贱林 | Facilitate the cable de-icing device of installation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114899781A (en) * | 2022-06-28 | 2022-08-12 | 安徽泰然信息技术有限公司 | Cable deicing equipment for electric power operation and maintenance |
| CN114899781B (en) * | 2022-06-28 | 2023-07-25 | 安徽泰然信息技术有限公司 | Cable deicing equipment for electric power operation and maintenance |
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Application publication date: 20200717 |
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| RJ01 | Rejection of invention patent application after publication |