CN216567050U - Device that drought-enduring alfalfa planted is exclusively used in - Google Patents

Device that drought-enduring alfalfa planted is exclusively used in Download PDF

Info

Publication number
CN216567050U
CN216567050U CN202122972008.2U CN202122972008U CN216567050U CN 216567050 U CN216567050 U CN 216567050U CN 202122972008 U CN202122972008 U CN 202122972008U CN 216567050 U CN216567050 U CN 216567050U
Authority
CN
China
Prior art keywords
planting
mounting plate
end wall
spraying
mounting
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.)
Expired - Fee Related
Application number
CN202122972008.2U
Other languages
Chinese (zh)
Inventor
陈彩锦
曾燕霞
张国辉
尚继红
张尚沛
吴娟
沙晓弟
王晓春
高婷
王川
杨天辉
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.)
Ningxia Academy Of Agriculture And Forestry Sciences Guyuan Branch
Original Assignee
Ningxia Academy Of Agriculture And Forestry Sciences Guyuan Branch
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 Ningxia Academy Of Agriculture And Forestry Sciences Guyuan Branch filed Critical Ningxia Academy Of Agriculture And Forestry Sciences Guyuan Branch
Priority to CN202122972008.2U priority Critical patent/CN216567050U/en
Application granted granted Critical
Publication of CN216567050U publication Critical patent/CN216567050U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Soil Working Implements (AREA)

Abstract

The utility model relates to the technical field of planting equipment, in particular to a device special for planting drought-enduring alfalfa. The mechanism can move, so that the alfalfa can be planted, seeds can be conveyed to the ground, blockage can be prevented, and the alfalfa planting efficiency is improved; the mechanism can move, so that water or medicaments can be sprayed on the surfaces of the alfalfa seeds planted in the ground, the medicaments can be uniformly stirred, the seeds are protected, and the survival germination rate is improved; the movement through the mechanism can be realized, and the burying of the planted seeds is realized.

Description

Device that drought-enduring alfalfa planted is exclusively used in
Technical Field
The utility model relates to the technical field of planting equipment, in particular to a device special for planting drought-enduring alfalfa.
Background
The planting machine is an agricultural machine which is used for sowing or planting plant materials such as seeds, seed blocks, seedlings and the like of crops (including trees and flowers) in soil according to certain agronomic requirements. The agricultural requirements of the planting machine are as follows: the quantity of the plant materials discharged in unit time is stable; the plant materials are uniformly distributed in unit area, unit length or each hole; the plant spacing, the row spacing, the hole spacing and the planting depth of the plant material configured in the field or the plot are basically consistent; the damage of the plant material is less in the planting process, and the survival rate is high.
The current planting equipment is widely applied to the aspect of agricultural planting, but the current planting equipment is less in the aspect of alfalfa planting, only alfalfa planting can be realized for the current equipment for alfalfa planting, the blockage of a discharging channel cannot be prevented during planting, the planting efficiency is low, water and medicaments can not be sprayed on the surfaces of seeds planted in the ground during planting, and then some seeds cannot germinate, so that the planting survival rate is reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a device special for planting drought-enduring alfalfa, which can solve the defects.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a device special for planting drought-enduring alfalfa comprises a mounting plate, wherein a movement mechanism is arranged on the bottom wall of the mounting plate, a planting mechanism is arranged on the end wall of the mounting plate, a spraying mechanism is arranged on the end wall of the mounting plate, a burying mechanism is arranged on the end wall of the mounting plate, the planting mechanism comprises a seeding box arranged on the end wall of the mounting plate, a discharging channel is arranged in the mounting plate, the discharging channel is communicated with the seeding box, planting hydraulic rods are symmetrically arranged on the end wall of the mounting plate in a sliding manner, the planting hydraulic rods are connected with a planting hydraulic pump in a sliding manner, the planting hydraulic pump is arranged in the mounting plate, a mounting block is arranged at the tail end of one side, away from the planting hydraulic pump, of the planting hydraulic rod, a planting channel is arranged in the mounting block, and the planting channel is connected with the discharging channel through a connecting pipe, the symmetry is provided with dials the board chamber on planting the passageway end wall, it is provided with the gear shaft to dial to rotate between board chamber end wall, power connection between gear shaft and the planting motor, the planting motor sets up in the installation piece, be provided with the planting gear chamber in the installation piece, plant the gear intracavity be provided with the planting gear on the gear shaft end wall, mesh between the planting gear, dial the board intracavity the surface circumference array of gear shaft is provided with dials the board, be provided with on the installation piece end wall and draw the native plough, be provided with the seal assembly on the unloading passageway end wall.
Preferably, the motion mechanism includes the mounting bracket of array setting on the mounting panel diapire, it is provided with the axletree to rotate on the mounting bracket end wall, power connection between axletree and the motion motor, the motion motor sets up in the mounting bracket, the axletree is kept away from motion motor one side end is provided with the wheel.
Preferably, the spraying mechanism comprises an agitation assembly and a spraying assembly.
Preferably, the stirring subassembly includes the agitator tank that sets up on the mounting panel end wall, the stirring chamber that sets up in the agitator tank, be provided with the water filling port on the stirring chamber end wall, it is provided with the (mixing) shaft to rotate on the stirring chamber bottom wall, power connection between (mixing) shaft and the agitator motor, agitator motor sets up in the agitator tank, the surface array of (mixing) shaft is provided with the puddler.
Preferably, the spraying assembly comprises a spraying hydraulic rod arranged on the bottom wall of the mounting plate in a sliding mode, the spraying hydraulic rod is connected with the spraying hydraulic pump in a sliding mode, the spraying hydraulic pump is arranged in the mounting plate, the spraying hydraulic rod is kept away from a water storage tank arranged at the tail end of one side of the spraying hydraulic pump, a water storage cavity is formed in the spraying hydraulic rod, a spray head is arranged on the bottom wall of the water storage tank, the spray head is communicated with the water storage cavity, a protective frame is arranged on the bottom wall of the water storage tank, water conveying pipes are symmetrically arranged in the mounting plate, the water conveying pipes are communicated with the stirring cavity, valves are arranged between the walls of the water conveying pipes, and the water conveying pipes are connected with the water storage cavity through conveying pipes.
Preferably, bury the mechanism and include it is provided with the slide bar to slide on the mounting panel diapire, the slide bar is kept away from mounting panel one side end is provided with the scraper blade, the scraper blade with through spring coupling between the mounting panel, the spring intussuseption sets up the surface of slide bar.
Preferably, the seal assembly comprises a seal cavity arranged on the end wall of the blanking channel, the seal cavity is far away from a seal hydraulic rod arranged on the end wall on one side of the blanking channel in a sliding mode, the seal hydraulic rod is connected with a seal hydraulic pump in a sliding mode, the seal hydraulic pump is arranged in the mounting plate, the seal hydraulic rod is far away from a seal plate arranged at the tail end on one side of the seal hydraulic pump, and the seal plate is arranged between the end walls of the seal cavity in a sliding mode.
Compared with the prior art, the utility model has the following beneficial effects:
1. the planting mechanism is arranged, so that the alfalfa can be planted through the movement of the planting mechanism, seeds can be conveyed to the ground, the blockage can be prevented, and the alfalfa planting efficiency is improved.
2. The spraying mechanism is arranged, so that water or a medicament can be sprayed on the surfaces of the alfalfa seeds planted in the ground through the movement of the spraying mechanism, the medicament can be uniformly stirred, the protection of the seeds is improved, and the survival germination rate is improved.
3. The utility model is provided with a burying mechanism, which can realize the movement of the mechanism, thereby realizing the burying of the planted seeds.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is an enlarged view at B in fig. 1.
In the figure: 1-mounting plate, 201-mounting frame, 202-motion motor, 203-wheel, 204-wheel shaft, 301-seeding box, 302-blanking channel, 303-planting hydraulic rod, 304-mounting block, 305-scarification plough, 306-connecting pipe, 307-planting channel, 308-planting hydraulic pump, 309-planting motor, 310-planting gear, 311-planting gear cavity, 312-dial plate cavity, 313-gear shaft, 314-dial plate, 410-stirring box, 411-stirring cavity, 412-water filling port, 413-stirring rod, 414-stirring shaft, 415-stirring motor, 420-valve, 421-water conveying pipe, 423-conveying pipe, 424-spraying hydraulic pump, 425-spraying hydraulic rod, 426-water storage cavity, 427-spray head, 428-water storage tank, 429-protective frame, 501-sliding rod, 502-spring, 503-scraper, 601-closed hydraulic rod, 602-closed plate, 603-closed cavity and 604-closed hydraulic pump.
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.
As shown in fig. 1-3, a device special for drought-enduring alfalfa planting comprises a mounting plate 1, a moving mechanism 2 is arranged on the bottom wall of the mounting plate 1, the moving mechanism 2 is used for driving the device to move, a planting mechanism 3 is arranged on the end wall of the mounting plate 1, the planting mechanism 3 is used for planting alfalfa, a spraying mechanism 4 is arranged on the end wall of the mounting plate 1, the spraying mechanism 4 sprays water and sprays chemicals on the surface of seeds, a burying mechanism 5 is arranged on the end wall of the mounting plate 1, the burying mechanism 5 buries the planted alfalfa, the planting mechanism 3 comprises a seeding box 301 fixedly arranged on the end wall of the upper side of the mounting plate 1, a blanking channel 302 is arranged in the mounting plate 1, the blanking channel 302 is communicated with the seeding box 301, and planting hydraulic rods 303 are symmetrically arranged on the end wall of the lower side of the mounting plate 1 in a sliding manner, the planting hydraulic rod 303 is connected with the planting hydraulic pump 308 in a sliding manner, the planting hydraulic pump 308 is fixedly installed in the installation plate 1, the planting hydraulic rod 303 is far away from the tail end of one side of the planting hydraulic pump 308 and is fixedly provided with an installation block 304, a planting channel 307 is arranged in the installation block 304, the planting channel 307 is connected with the blanking channel 302 through a connecting pipe 306, dial plate cavities 312 are symmetrically arranged on the front end wall and the rear end wall of the planting channel 307, a gear shaft 313 is rotatably arranged between the upper end wall and the lower end wall of the dial plate cavity 312, the gear shaft 313 is in power connection with the planting motor 309, the planting motor 309 is fixedly installed in the installation block 304, a planting gear cavity 311 is arranged in the installation block 304 at the upper side of the dial plate cavity 312, a planting gear 310 is fixedly installed on the outer surface of the gear shaft 313 in the planting gear cavity 311, and the planting gears 310 are meshed, the poking plates 314 are fixedly arranged on the outer surface circumference array of the gear shaft 313 in the poking plate cavity 312, soil-cutting plows 305 are fixedly arranged on the end wall of the left side of the mounting block 304, and the end wall of the blanking channel 302 is provided with a sealing assembly 6.
The movement mechanism 2 comprises a mounting frame 201 fixedly mounted on the bottom wall of the mounting plate 1 in an array manner, a wheel shaft 204 is rotatably arranged on the end wall of the mounting frame 201, the wheel shaft 204 is in power connection with a movement motor 202, the movement motor 202 is fixedly mounted in the mounting frame 201, and wheels 203 are fixedly mounted at the tail ends of the sides, far away from the movement motor 202, of the wheel shaft 204.
The spraying mechanism 4 includes an agitating assembly 41 and a spraying assembly 42.
Stirring subassembly 41 includes seeding case 301 right side fixed mounting's agitator tank 410 on the side end wall of the upside of mounting panel 1, the stirring chamber 411 that sets up in the agitator tank 410, be provided with water filling port 412 on the side end wall of stirring chamber 411, it is provided with (mixing) shaft 414 to rotate on the stirring chamber 411 diapire, power connection between (mixing) shaft 414 and the agitator motor 415, agitator motor 415 fixed mounting be in agitator tank 410, the surface array fixed mounting of (mixing) shaft 414 has puddler 413.
The spraying component 42 comprises a spraying hydraulic rod 425 slidably arranged on the bottom wall of the mounting plate 1, the spraying hydraulic rod 425 is slidably connected with the spraying hydraulic pump 424, the spraying hydraulic pump 424 is fixedly arranged in the mounting plate 1, the spraying hydraulic rod 425 is far away from the tail end of one side of the spraying hydraulic pump 424 and is fixedly provided with a water storage tank 428, a water storage cavity 426 is formed in the mounting plate 408, a spray head 427 is fixedly arranged on the bottom wall of the water storage tank 428, the spray head 427 is communicated with the water storage cavity 426, a protection frame 429 is fixedly arranged on the bottom wall of the water storage tank 428, water conveying pipes 421 are symmetrically arranged in the mounting plate 1 and are communicated with the stirring cavity 411, valves 420 are fixedly arranged between the end walls of the water conveying pipes 421, and the water conveying pipes 421 are connected with the water storage cavity 426 through conveying pipes 423.
Bury mechanism 5 and include it is provided with slide bar 501 to slide on the mounting panel 1 diapire, slide bar 501 keeps away from mounting panel 1 one side end fixed mounting has scraper blade 503, scraper blade 503 with connect through spring 502 between the mounting panel 1, spring 502 nestification sets up slide bar 501's surface.
The closed assembly 6 comprises a closed cavity 603 arranged on the end wall of the left side of the blanking channel 302, the closed cavity 603 is far away from a closed hydraulic rod 601 slidably arranged on the end wall of one side of the blanking channel 302, the closed hydraulic rod 601 is slidably connected with a closed hydraulic pump 604, the closed hydraulic pump 604 is fixedly arranged in the mounting plate 1, the closed hydraulic rod 601 is far away from the tail end of one side of the closed hydraulic pump 604 is fixedly provided with a closed plate 602, and the closed plate 602 is slidably arranged between the end walls of the closed cavity 603.
The working process of the utility model is as follows: when work is needed, alfalfa seeds are put in the seeding box 301, the moving motor 202 is started, the wheel shaft 204 is driven to rotate, the wheel 203 is driven to rotate, the mounting plate 1 is driven to move, the planting hydraulic pump 308 is started, the planting hydraulic rod 303 is driven to move downwards, the mounting block 304 is driven to move downwards, the soil cutting plough 305 is driven to move downwards to enter the soil, the closed hydraulic pump 604 is started, the closed hydraulic rod 601 is driven to move, the closing plate 602 is driven to move left, the blanking channel 302 is opened, the alfalfa seeds in the seeding box 301 enter the planting channel 307 through the blanking channel 302 and the connecting pipe 306, the planting motor 309 is started, the gear shaft 313 is driven to rotate, and the planting gear 310 is driven to rotate, the planting gears 310 are engaged with each other, so that the shifting plate 314 is rotated, so that alfalfa seeds in the planting channel 307 enter the ground, the shifting plate 314 is rotated to prevent soil from entering the planting channel 307, water or a medicament is introduced into the stirring cavity 411 through the water filling port 412, the stirring motor 415 is started, so that the stirring motor 415 is driven, so that the stirring shaft 414 is driven to rotate, so that the stirring rod 413 is driven to rotate to stir the medicament uniformly, the spraying hydraulic pump 424 is started, so that the spraying hydraulic rod 425 is driven to move, so that the water storage tank 428 is driven to move, the valve 420 is opened, so that the medicament in the stirring cavity 411 enters the water storage cavity 426 through the water conveying pipe and the conveying pipe 423, and the spraying head 427 is started, so that the chemical agent in the water storage cavity 426 is sprayed on the surface of the seeds, the protection frame 429 prevents soil from affecting the spray head 427, the mounting plate 1 moves to drive the sliding rod 501 to move, and the scraper 503 moves to bury the planted seeds.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.

Claims (7)

1. The utility model provides a device that drought-enduring alfalfa planted which characterized in that: comprises a mounting plate (1), a moving mechanism (2) is arranged on the bottom wall of the mounting plate (1), a planting mechanism (3) is arranged on the end wall of the mounting plate (1), a spraying mechanism (4) is arranged on the end wall of the mounting plate (1), a burying mechanism (5) is arranged on the end wall of the mounting plate (1), the planting mechanism (3) comprises a seeding box (301) arranged on the end wall of the mounting plate (1), a blanking channel (302) is arranged in the mounting plate (1), the blanking channel (302) is communicated with the seeding box (301), planting hydraulic rods (303) are symmetrically arranged on the end wall of the mounting plate (1) in a sliding manner, the planting hydraulic rods (303) are connected with the planting hydraulic pumps (308) in a sliding manner, the planting hydraulic pumps (308) are arranged in the mounting plate (1), the planting hydraulic rods (303) are far away from the tail end of one side of the planting hydraulic pumps (308) and are provided with a mounting block (304), a planting channel (307) is arranged in the mounting block (304), the planting channel (307) is connected with the blanking channel (302) through a connecting pipe (306), dial plate cavities (312) are symmetrically arranged on the end wall of the planting channel (307), a gear shaft (313) is rotatably arranged between the end walls of the dial plate cavities (312), the gear shaft (313) is in power connection with a planting motor (309), the planting motor (309) is arranged in the mounting block (304), a planting gear cavity (311) is arranged in the mounting block (304), planting gears (310) are arranged on the end wall of the gear shaft (313) in the planting gear cavity (311), the planting gears (310) are meshed with each other, dial plates (314) are arranged on the circumferential array of the outer surface of the gear shaft (313) in the dial plate cavity (312), and soil-cutting plows (305) are arranged on the end wall of the mounting block (304), and a sealing assembly (6) is arranged on the end wall of the blanking channel (302).
2. The device special for planting the drought-enduring alfalfa according to claim 1, characterized in that: the movement mechanism (2) comprises mounting frames (201) arranged on the bottom wall of the mounting plate (1) in an array mode, wheel shafts (204) are rotatably arranged on the end walls of the mounting frames (201), the wheel shafts (204) are in power connection with movement motors (202), the movement motors (202) are arranged in the mounting frames (201), and wheels (203) are arranged at the tail ends of the sides, far away from the movement motors (202), of the wheel shafts (204).
3. The device special for planting the drought-enduring alfalfa according to claim 1, characterized in that: the spraying mechanism (4) comprises a stirring assembly (41) and a spraying assembly (42).
4. The device special for planting the drought-enduring alfalfa according to claim 3, characterized in that: stirring subassembly (41) include agitator tank (410) that sets up on mounting panel (1) end wall, stirring chamber (411) that sets up in agitator tank (410), be provided with water filling port (412) on stirring chamber (411) end wall, it is provided with (mixing) shaft (414) to rotate on stirring chamber (411) diapire, power is connected between (mixing) shaft (414) and agitator motor (415), agitator motor (415) set up in agitator tank (410), the surface array of (mixing) shaft (414) is provided with puddler (413).
5. The device special for planting the drought-enduring alfalfa according to claim 4, characterized in that: the spraying component (42) comprises a spraying hydraulic rod (425) which is arranged on the bottom wall of the mounting plate (1) in a sliding manner, the spraying hydraulic rod (425) is connected with a spraying hydraulic pump (424) in a sliding manner, the spraying hydraulic pump (424) is arranged in the mounting plate (1), a water storage tank (428) is arranged at the tail end of one side, away from the spraying hydraulic pump (424), of the spraying hydraulic rod (425), a water storage cavity (426) is arranged in the spraying hydraulic pump (408), a spray head (427) is arranged on the bottom wall of the water storage tank (428), the spray head (427) is communicated with the water storage cavity (426), a protective frame (429) is arranged on the bottom wall of the water storage tank (428), water conveying pipes (421) are symmetrically arranged in the mounting plate (1), the water conveying pipes (421) are communicated with the stirring cavity (411), and valves (420) are arranged between the end walls of the water conveying pipes (421), the water delivery pipe (421) is connected with the water storage cavity (426) through a delivery pipe (423).
6. The device special for planting the drought-enduring alfalfa according to claim 1, characterized in that: bury mechanism (5) and include it is provided with slide bar (501) to slide on mounting panel (1) diapire, slide bar (501) are kept away from mounting panel (1) one side end is provided with scraper blade (503), scraper blade (503) with connect through spring (502) between mounting panel (1), spring (502) cover setting is in the surface of slide bar (501).
7. The device special for planting the drought-enduring alfalfa according to claim 1, characterized in that: the sealing assembly (6) comprises a sealing cavity (603) arranged on the end wall of the blanking channel (302), the sealing cavity (603) is far away from the end wall of one side of the blanking channel (302) and is provided with a sealing hydraulic rod (601) in a sliding manner, the sealing hydraulic rod (601) is connected with a sealing hydraulic pump (604) in a sliding manner, the sealing hydraulic pump (604) is arranged in the mounting plate (1), the sealing hydraulic rod (601) is far away from the tail end of one side of the sealing hydraulic pump (604) and is provided with a sealing plate (602), and the sealing plate (602) is arranged between the end walls of the sealing cavity (603) in a sliding manner.
CN202122972008.2U 2021-11-30 2021-11-30 Device that drought-enduring alfalfa planted is exclusively used in Expired - Fee Related CN216567050U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122972008.2U CN216567050U (en) 2021-11-30 2021-11-30 Device that drought-enduring alfalfa planted is exclusively used in

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122972008.2U CN216567050U (en) 2021-11-30 2021-11-30 Device that drought-enduring alfalfa planted is exclusively used in

Publications (1)

Publication Number Publication Date
CN216567050U true CN216567050U (en) 2022-05-24

Family

ID=81649259

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122972008.2U Expired - Fee Related CN216567050U (en) 2021-11-30 2021-11-30 Device that drought-enduring alfalfa planted is exclusively used in

Country Status (1)

Country Link
CN (1) CN216567050U (en)

Similar Documents

Publication Publication Date Title
CN113950905B (en) Intelligent seeding and fertilizing machine suitable for intercropping planting
CN109197123B (en) Ditching device of ploughing and seeding combination machine
CN213755901U (en) Seedling breeding device for agricultural planting
CN210298502U (en) Seed fertilizer device for agricultural machinery
KR100998970B1 (en) A machine which pours liquid manure into underground and seeds
CN215379754U (en) Weed-winding-preventing rotary cultivator
CN216567050U (en) Device that drought-enduring alfalfa planted is exclusively used in
CN212876578U (en) Fertilizer injection unit is used in cultivation of selenium-enriched agricultural product
CN113207332A (en) No-tillage seeding and fertilizing machine for corn
CN212523971U (en) Fertilizer mixing stirring device for agricultural planting
CN112042294A (en) Farmland reclamation equipment based on sensor control
CN211267637U (en) Preceding type corn drill of sowing after ploughing
CN115250659B (en) Auxiliary device for improving germination rate of cotton seeds in saline-alkali soil
CN108029290A (en) A kind of no-tillage moisturizing seeder
CN213368528U (en) Ditching mechanism of seeder
CN112166751A (en) Agricultural seeding equipment
CN211861055U (en) Seeder for farming
CN209994812U (en) agricultural seed sowing device
CN112314254A (en) Planting frame convenient for loosening soil for crop planting
CN207802740U (en) A kind of no-tillage moisturizing seeder
CN111052905A (en) Seeder suitable for hilly area can sow in succession
CN210381860U (en) Wheat stubble rape seeding and pesticide spraying integrated machine
CN217825978U (en) Peanut seeder for farming
CN215529834U (en) Seeder for vegetable planting
CN213306240U (en) Fertilizer distributor for farming

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220524

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