CN209806464U - Swather suitable for crops with different plant heights - Google Patents

Swather suitable for crops with different plant heights Download PDF

Info

Publication number
CN209806464U
CN209806464U CN201920438538.9U CN201920438538U CN209806464U CN 209806464 U CN209806464 U CN 209806464U CN 201920438538 U CN201920438538 U CN 201920438538U CN 209806464 U CN209806464 U CN 209806464U
Authority
CN
China
Prior art keywords
chain
crops
reel
shaft
wheel
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
CN201920438538.9U
Other languages
Chinese (zh)
Inventor
戴飞
刘元祥
赵武云
张锋伟
史瑞杰
魏万成
张仕林
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.)
Gansu Agricultural University
Original Assignee
Gansu Agricultural University
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 Gansu Agricultural University filed Critical Gansu Agricultural University
Priority to CN201920438538.9U priority Critical patent/CN209806464U/en
Application granted granted Critical
Publication of CN209806464U publication Critical patent/CN209806464U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Harvesting Machines For Root Crops (AREA)

Abstract

The utility model discloses a cutter-rower suitable for crops with different plant heights, which comprises a frame, wherein the frame is designed together with a front baffle and a speed changer, a reel chain is arranged at the lower part of the speed changer, the cut crops can be pulled and sent, the cut crops are prevented from being accumulated on the front baffle, the reel star wheel is arranged at different heights of a divider, the crops can be pulled and sent to the maximum extent, the high-efficiency work of the cutter-rower is realized, a reel wheel is arranged on the divider, the reel wheel can pull the crops to be cut to a cutter when the crops are cut, and can pull the lodging crops straight, thereby being beneficial to pulling and sending the transverse conveying chain, high efficiency, can effectively improve the mechanization degree of harvesting at different crop plant heights and reduce the labor consumption.

Description

Swather suitable for crops with different plant heights
Technical Field
The utility model relates to the technical field of agricultural equipment, in particular to a swather suitable for crops with different plant heights.
Background
The growth conditions of crops are influenced by external environment, the growth vigor and the yield of the same crop are greatly different when the crops are harvested under the conditions of different temperatures, rainfall, illumination and the like, particularly, the harvest of the crops in different years is different in severe climatic regions such as northwest mountainous regions and the like, and in the crop harvesting stage, due to the reason of terrains, a combine harvester with higher operation efficiency is difficult to operate in a land block with larger difference of terrains such as mountainous regions and the like, so that the development of intensive agriculture mechanization in the regions is restricted to a great extent, and meanwhile, the environment also provides development space for other small-sized agricultural machines; the windrower used in the segmented harvesting is one of the windrowers, and meets the requirements of the areas on harvesting machinery to a certain extent, but crops planted in mountainous regions are greatly influenced by environmental factors, so that the growth conditions of the crops are different; although the existing swather can basically meet the harvesting requirement of planting crops in mountainous regions, the swather is not good in adaptability to some crops with higher growth heights, when the crops with higher plant heights are harvested, the crop stem stress is unbalanced in the poking and conveying process due to the fact that the height of the front baffle is insufficient and the position of the transverse conveying chain is lower, the crops are loosely paved, and great trouble is caused to subsequent collection.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a swather of adaptation different plant height crops has solved current swather and has relatively poor to the crop plant adaptability of growing trend difference, reaps the problem that the efficiency is low.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a cutter-rower suitable for crops with different plant heights comprises a frame, wherein a front baffle is arranged on the upper portion of the frame, a speed changer is arranged in the middle of the rear end face of the frame, a power input shaft of the speed changer is fixedly connected with a belt wheel at the input shaft end of a tractor motor through an output shaft belt wheel and a transmission belt, an I-stage transmission shaft is fixedly connected with an output shaft at the lower end of the speed changer, a crank mechanism is arranged on the frame at the lower portion of the I-stage transmission shaft, a cutter is arranged on the lower portion of the front end face of the frame and fixedly connected with the crank mechanism, a transverse conveying chain is sequentially arranged on the end face of the frame from top to bottom, a reel is arranged on the left side face of the frame above the transverse conveying chain and fixedly connected with the transverse conveying chain through a chain wheel, and a driven chain wheel is meshed, the middle part of the driven chain wheel is fixedly connected with a chain wheel shaft I, the upper end of the chain wheel shaft I is fixedly connected with a chain wheel shaft II through a sleeve, one end of the speed changer is fixedly connected with a small belt wheel through a power output shaft, the small belt wheel is fixedly connected with a large belt wheel through a V belt, the middle part of the large belt wheel is rotatably connected with a reel through a reel shaft, the reel is arranged at the lower part of the front end face of the frame, the outer parts of the reel shaft, which are positioned at the two sides of the reel, are fixedly connected with a divider through reel shaft bearings, the divider is arranged at the lower part of the front end face of the frame, and the two sides of the reel are provided with eccentric.
Preferably, the rack and the rear end face of the front baffle are provided with baffles above the transverse conveying chain through supporting rods, the transverse conveying chain is positioned at the upper, middle and lower three positions at intervals of 340mm and 140mm respectively, and special-shaped chain pieces are arranged on the transverse conveying chain at equal intervals.
Preferably, the lower end of the chain wheel shaft I and the upper end of the chain wheel shaft II are rotationally connected with the rack through chain wheel shaft bearings, and the chain wheel shaft II and the chain wheel shaft I are meshed with a transverse conveying chain through a chain wheel.
Preferably, the transmission ratio between the small belt wheel and the large belt wheel is 3: 1, and a pair of bevel gears is arranged in the transmission.
Preferably, the working width of the reel is 950mm, the height of the divider is 165mm, the working width is 990mm, and the distance between the bottom of the divider and the ground is 100-150 mm.
Preferably, the lower end faces of the grain dividers are provided with grain pulling star wheels, the grain pulling star wheels are meshed with the special-shaped chain sheets and are made of hard polyethylene materials.
(III) advantageous effects
The utility model provides a swather suitable for crops with different plant heights. The method has the following beneficial effects:
(1) the crop to be cut is divided into a plurality of small bundles by a divider in front of the machine and smoothly guided to a cutter when the cutter-windrower works, the small bundles are smoothly laid to one side of the cutter-windrower under the guidance of a transverse conveying chain after the crop is cut, power is transmitted by the grain-shifting star wheel and a special-shaped chain sheet on the transverse conveying chain through contact, the transverse conveying chain is meshed with a chain wheel to realize transmission, the power is from a chain wheel shaft I, the transverse conveying chains totally comprise three upper, middle and lower chains, the grain-shifting star wheel can greatly meet the shifting and the feeding of the crops with different heights, the harvester is suitable for harvesting the crops with the plant height of 250 mm-800 mm, the transverse conveying chain is meshed with a pair of chain wheels to realize the power transmission, the special-shaped chain sheet is in contact with the grain-shifting star wheel to realize the power transmission of the grain-shifting star wheel, and the cut crop stalks are transversely conveyed by the transverse, thereby achieving the purpose of beam-splitting harvesting and effectively collecting plants with different heights.
(2) The crop to be cut is divided into small bundles by the grain divider and guided to the cutter to be cut when the harvester moves forwards, the special-shaped chain piece on the transverse conveying chain moves transversely to drive the grain shifting star wheel to rotate, so that crop stalks are smoothly shifted, the position of the grain shifting wheel is in front of the frame, the grain divider is arranged above the grain divider, when the harvester operates, the grain shifting wheel starts to work, and meanwhile, the crop stalks divided into small bundles by the grain divider are supported, so that the stalks are cut in a vertical state, the lodging-shaped stalks are effectively prevented from being wound on a rotating part when the crop is harvested, and the purpose of harvesting and straightening the lodging-shaped crop is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a schematic view of the chain wheel shaft and the transverse conveyor chain transmission structure of the present invention.
In the figure: 1 front baffle, 2 reel, 3 reel, 4 dividers, 5 reel star wheels, 6 eccentric mechanisms, 7 reel wheel bearing blocks, 8 cutters, 9 special-shaped chain sheets, 10 transverse conveying chains, 11 small belt wheels, 12V belts, 13 large belt wheels, 14 reel wheel shafts, 15 support rods, 16 sprocket shaft bearings, 17 sprocket shaft I, 18 crank mechanisms, 19I-stage transmission shafts, 20 frames, 21 output shaft belt wheels, 22 power input shafts, 23 speed changers, 24 power output shafts, 25 sprocket shaft II, 26 sleeves, 27 transmission chains, 28 driven sprockets and 29 driving sprockets.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a cutter-rower suitable for crops with different plant heights comprises a frame 20, wherein a front baffle 1 is arranged at the upper part of the frame 20, a transmission 23 is arranged in the middle of the rear end face of the frame 20, a power input shaft 22 of the transmission 23 is fixedly connected with a belt wheel at the input shaft end of a tractor motor through an output shaft belt wheel 21 and a transmission belt, an I-stage transmission shaft 19 is fixedly connected with an output shaft end at the lower end of the transmission 23, a crank mechanism 18 is arranged on the frame 20 at the lower part of the I-stage transmission shaft 19, a cutter 8 is arranged at the lower part of the front end face of the frame 20, the cutter 8 is arranged below the frame 20 and is an important working part, a fixed cutter is riveted on a fixed cutter rod, a movable cutter rod is connected with the crank mechanism 18, the reciprocating motion of the cutter is realized through the driving of the I-stage transmission shaft 19, the cutter 8 is fixedly connected with the crank mechanism 18, the transverse conveying chain 10 is sequentially arranged on the end surface of the rack 20 from top to bottom, baffle plates are arranged on the rack 20 and the rear end surface of the front baffle plate 1 above the transverse conveying chain 10 through supporting rods 15, the distances between the upper part, the middle part and the lower part of the transverse conveying chain 10 are respectively 340mm and 140mm, special-shaped chain pieces 9 are arranged on the transverse conveying chain 10 at equal distances, the transverse conveying chain 10 has three upper, middle and lower parts in total, the poking and conveying of crops with different heights can be greatly met, the harvester is suitable for harvesting crops with plant heights of 250 mm-800 mm, the transverse conveying chain 10 realizes the transmission of power through being meshed with a pair of chain wheels, the special-shaped chain pieces 9 realize the power transmission to the seedling poking star wheel 5 through being in contact with the seedling poking star wheel, a seedling poking disc 2 is arranged on the left side surface of the rack 20 above the transverse, the reel 2 is fixedly connected with a transverse conveying chain 10 through a chain wheel, the upper part of a I-stage transmission shaft 19 is in meshed connection with a driven chain wheel 28 through a driving chain wheel 29 and a transmission chain 27, the middle part of the driven chain wheel 28 is fixedly connected with a chain wheel shaft I17, the upper end of the chain wheel shaft I17 is fixedly connected with a chain wheel shaft II 25 through a sleeve 26, the lower end of the chain wheel shaft I17 and the upper end of the chain wheel shaft II 25 are rotatably connected with a rack 20 through a chain wheel shaft bearing 16, the chain wheel shaft II 25 and the chain wheel shaft I17 are both in meshed connection with the transverse conveying chain 10 through chain wheels, one end of a speed changer 23 is fixedly connected with a small belt wheel 11 through a power output shaft 24, the small belt wheel 11 is fixedly connected with a large belt wheel 13 through a V belt 12, the transmission ratio between the small belt wheel 11 and the large belt wheel 13 is 3: 1, a pair of, mainly completing the steering and deceleration of force, a I-stage transmission shaft 19 transmits the power after the power is decelerated and torque-changed by a speed changer to a crank mechanism 18 of a cutter 8 below to realize the reciprocating motion of the cutter 8, the middle part of a large belt wheel 13 is rotationally connected with a reel 3 through a reel shaft 14, when the reel 3 rotates, the reel shaft is controlled by an eccentric mechanism 6 to do plane parallel motion except revolution, a shifting tooth is welded on each reel shaft, in the advancing process of the cutter, the fallen flax can be straightened and smoothly cut, the fallen crops can be effectively prevented from being wound on a rotating mechanism of a cutter-rower to cause winding, the reel 3 is arranged at the lower part of the front end surface of a frame 20, the outer parts of the reel shaft 14 at the two sides of the reel 3 are fixedly connected with a divider 4 through reel shaft bearings 7, the divider 4 is arranged at the lower part of the front end surface of the frame 20, the working width of the reel 3 is 950mm, the height of the divider 4 is 165mm, the working width is 990mm, the distance between the bottom of the divider 4 and the ground is 100-150 mm, the lower end face of the divider 4 is provided with the reel star wheel 5, the reel star wheel 5 is connected with the special-shaped chain sheet 9 in an occluded manner, the reel star wheel 5 is made of hard polyethylene materials, the strength of the reel star wheel 5 can meet the normal work of a cutting and drying machine, the reel star wheel is light in weight, low in price, good in economical efficiency and good in adaptability to crops, the special-shaped chain sheet 9 on the transverse conveying chain 10 moves transversely to drive the reel star wheel 5 to rotate, so that the stems of the crops are smoothly pulled and fed, and the two sides of the reel 3 are provided with eccentric mechanisms 6.
When the harvester-windrower works, the tractor provides power, when the tractor starts to advance, the divider 4 divides crops to be cut into small bundles and guides the small bundles to the cutter 8 for cutting when the cutter-windrower starts to work, the clutch handle on the handrail of the tractor is adjusted, motive power is matched with the power output shaft 24 through the speed changer 23 to realize power output, simultaneously, the power input shaft 22 starts to work, the I-stage transmission shaft 19 transmits the power to the crank mechanism 18 connected with the cutter 8 to realize the reciprocating motion of the cutter 8 and cut the crop stalks, the working length of the cutter 8 is 1300mm, simultaneously, the I-stage transmission shaft transmits the power to the sprocket shaft I17 on the left side of the rack 20 through the transmission chain 27, the sprocket shaft I17 rotates, simultaneously, the sprocket shaft II 25 connected with the sleeve 26 above the sprocket shaft I17 also starts to rotate, the sprocket shaft I17 and a sprocket on the sprocket shaft II 25 are meshed with the transverse transmission chain 10, the operation of the transverse conveying chain 10 is realized, the transverse conveying chain 10 is provided with an upper, a middle and a lower three in total, which can meet the poking and conveying of crops with different heights, is suitable for harvesting the crops with the plant height of 250 mm-800 mm, simultaneously, the special-shaped chain sheet 9 on the transverse conveying chain 10 contacts and drives the rotation of the poking star wheel 5, so that the poking star wheel 5 can successfully poke and convey the crop stalks, the left side of the speed changer 23 is provided with another power output shaft 24, the shaft end of the shaft is provided with a small belt wheel 11, the small belt wheel 11 is connected with a large belt wheel 13 on the poking wheel 3 through a V belt 12, so as to drive the rotation of the poking wheel 3, the poking wheel 3 rotates to centralize the lodging crop stalks, thereby preventing the lodging crop stalks from being wound on a rotary component and poking the cut stalks, under the mutual cooperation of all working mechanisms, the crop stalks sheared by a cutter are smoothly laid to one side, and finally picking up.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
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 swather suitable for crops with different plant heights comprises a frame (20), and is characterized in that: the upper portion of frame (20) is provided with preceding baffle (1), the middle part of frame (20) rear end face is provided with derailleur (23), power input shaft (22) of derailleur (23) are through output shaft band pulley (21) and the band pulley fixed connection of drive belt with tractor motor input shaft end, the output shaft end fixed connection of derailleur (23) lower extreme has I level transmission shaft (19), I level transmission shaft (19) lower part is located frame (20) and is provided with crank mechanism (18), the lower part of frame (20) front end face is provided with cutterbar (8), cutterbar (8) and crank mechanism (18) fixed connection, the terminal surface of frame (20) is from last to having set gradually horizontal conveying chain (10) down, the left surface of frame (20) is located the top of horizontal conveying chain (10) and is provided with dials standing grain dish (2), the reel (2) is fixedly connected with a transverse conveying chain (10) through a chain wheel, the upper part of a I-stage transmission shaft (19) is meshed with a driving chain (27) through a driving chain wheel (29) to be connected with a driven chain wheel (28), the middle part of the driven chain wheel (28) is fixedly connected with a chain wheel shaft I (17), the upper end of the chain wheel shaft I (17) is fixedly connected with a chain wheel shaft II (25) through a sleeve (26), one end of a speed changer (23) is fixedly connected with a small belt wheel (11) through a power output shaft (24), the small belt wheel (11) is fixedly connected with a large belt wheel (13) through a V belt (12), the middle part of the large belt wheel (13) is rotatably connected with a reel (3) through a reel wheel shaft (14), the reel wheel (3) is arranged at the lower part of the front end face of a rack (20), the outer parts of the reel wheel shaft (14) positioned at two sides of the reel wheel (3) are fixedly connected with a divider (4, the divider (4) is arranged at the lower part of the front end surface of the frame (20), and the two sides of the reel (3) are provided with eccentric mechanisms (6).
2. The windrower adapted for crops of different heights according to claim 1, wherein: the frame (20) and the upper portion that preceding baffle (1) rear end face is located transverse conveying chain (10) all are provided with the baffle through branch (15), the interval that transverse conveying chain (10) is located three positions about in is 340mm and 140mm respectively, equidistance has arranged special-shaped chain piece (9) on transverse conveying chain (10).
3. The windrower adapted for crops of different heights according to claim 1, wherein: the lower end of the chain wheel shaft I (17) and the upper end of the chain wheel shaft II (25) are rotatably connected with the rack (20) through chain wheel shaft bearings (16), and the chain wheel shaft II (25) and the chain wheel shaft I (17) are meshed with the transverse conveying chain (10) through chain wheels.
4. The windrower adapted for crops of different heights according to claim 1, wherein: the transmission ratio between the small belt wheel (11) and the large belt wheel (13) is 3: 1, and a pair of bevel gears is arranged in the speed changer (23).
5. The windrower adapted for crops of different heights according to claim 1, wherein: the working width of the reel (3) is 950mm, the height of the divider (4) is 165mm, the working width is 990mm, and the distance between the bottom of the divider (4) and the ground is 100-150 mm.
6. The windrower adapted for crops of different heights according to claim 1, wherein: the lower end face of the grain divider (4) is provided with grain-pulling star wheels (5), the grain-pulling star wheels (5) are meshed and connected with the special-shaped chain sheets (9), and the grain-pulling star wheels (5) are made of hard polyethylene materials.
CN201920438538.9U 2019-04-02 2019-04-02 Swather suitable for crops with different plant heights Expired - Fee Related CN209806464U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920438538.9U CN209806464U (en) 2019-04-02 2019-04-02 Swather suitable for crops with different plant heights

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920438538.9U CN209806464U (en) 2019-04-02 2019-04-02 Swather suitable for crops with different plant heights

Publications (1)

Publication Number Publication Date
CN209806464U true CN209806464U (en) 2019-12-20

Family

ID=68878352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920438538.9U Expired - Fee Related CN209806464U (en) 2019-04-02 2019-04-02 Swather suitable for crops with different plant heights

Country Status (1)

Country Link
CN (1) CN209806464U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111357471A (en) * 2020-03-30 2020-07-03 哈尔滨工程大学 Caragana microphylla stumping laying machine with terrain self-adaption function
CN112470747A (en) * 2020-10-29 2021-03-12 塔里木大学 Cotton topping residue disinfection and recovery machine
CN114271095A (en) * 2021-12-22 2022-04-05 农业农村部南京农业机械化研究所 Special swather for edible beans
CN114946411A (en) * 2022-04-20 2022-08-30 农业农村部南京农业机械化研究所 Height adjusting mechanism for upper conveying part of industrial hemp harvester
CN115250869A (en) * 2022-08-05 2022-11-01 广西壮族自治区蚕业技术推广站 Mulberry cutting machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111357471A (en) * 2020-03-30 2020-07-03 哈尔滨工程大学 Caragana microphylla stumping laying machine with terrain self-adaption function
CN112470747A (en) * 2020-10-29 2021-03-12 塔里木大学 Cotton topping residue disinfection and recovery machine
CN114271095A (en) * 2021-12-22 2022-04-05 农业农村部南京农业机械化研究所 Special swather for edible beans
CN114946411A (en) * 2022-04-20 2022-08-30 农业农村部南京农业机械化研究所 Height adjusting mechanism for upper conveying part of industrial hemp harvester
CN115250869A (en) * 2022-08-05 2022-11-01 广西壮族自治区蚕业技术推广站 Mulberry cutting machine
CN115250869B (en) * 2022-08-05 2024-04-12 广西壮族自治区蚕业技术推广站 Mulberry harvester

Similar Documents

Publication Publication Date Title
CN209806464U (en) Swather suitable for crops with different plant heights
CN107548661B (en) Self-propelled multirow garlic combine
CN101238773A (en) Small-sized self-walking hand mower
RU2545762C2 (en) Forest-harvesting machines
CN202818956U (en) Potato combine harvester
CN201591016U (en) Binder
CN112930834A (en) Clamping and conveying device and equipment for stem seedlings of root crops
CN211406872U (en) Intelligent corn harvester capable of harvesting ears and stalks
CN110786123A (en) Garlic harvester with residual film recycling function
CN1279002A (en) Harvester for cottons with narrow rows
CN113892342B (en) Comb-tooth reel type pineapple harvesting machine
CN113853936B (en) Water planting lettuce whole plate type harvester capable of orderly collecting vegetables
CN111316814A (en) Active-feeding green-leaf vegetable harvester and speed control method
CN201115343Y (en) Self-walking peanuts combine harvester
CN101366335B (en) Cole gathering and threshing mill
CN116326334B (en) Self-propelled pineapple harvesting vehicle based on scraper transportation
CN202587860U (en) Walking multifunctional corn harvester
CN203985057U (en) A kind of crop harvesting binder
CN114868534A (en) Bundling machine divider antiwind is hugged careless and is picked conveyor
CN211580670U (en) Garlic harvester with residual film recycling function
CN201774836U (en) Corn straw harvesting machine
CN2497531Y (en) Corn harvester cutting table
CN201846610U (en) Corncob and corn stalk combine harvester
CN2582352Y (en) Holding transporting type maize straw reaper-binder
CN215912581U (en) Assembled rape cutting and sunning platform

Legal Events

Date Code Title Description
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: 20191220

Termination date: 20210402