CN208402698U - A kind of film-laying machine - Google Patents
A kind of film-laying machine Download PDFInfo
- Publication number
- CN208402698U CN208402698U CN201821073781.7U CN201821073781U CN208402698U CN 208402698 U CN208402698 U CN 208402698U CN 201821073781 U CN201821073781 U CN 201821073781U CN 208402698 U CN208402698 U CN 208402698U
- Authority
- CN
- China
- Prior art keywords
- mainframe
- soil
- film
- fixed
- mulch
- 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
Links
- 239000002362 mulch Substances 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 239000002689 soil Substances 0.000 claims abstract description 27
- 230000001629 suppression Effects 0.000 claims abstract description 18
- 230000000284 resting effect Effects 0.000 claims description 12
- 238000009331 sowing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 7
- 239000003337 fertilizer Substances 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 5
- 239000002985 plastic film Substances 0.000 abstract description 4
- 229920006255 plastic film Polymers 0.000 abstract description 4
- 238000003306 harvesting Methods 0.000 abstract description 3
- 241001131688 Coracias garrulus Species 0.000 description 24
- 238000007596 consolidation process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007373 indentation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000029264 phototaxis Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/28—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for farming
Landscapes
- Soil Working Implements (AREA)
- Protection Of Plants (AREA)
Abstract
The utility model discloses a kind of film-laying machines comprising mainframe, ejector dozer, suppression roller, seamless plate, biofilm mechanism and the earthing disk being sequentially fixed on mainframe from the front to the back；It is fixed with hanger bracket in the front top of mainframe, the drum shaft and mainframe for suppressing roller are rotatablely connected.Advantage: ejector dozer can push the sundries such as stalk on plastic film mulch ground to two sides, and roller and the cooperation of seamless plate are suppressed, the stone on ground and hard soil block can be pressed into soil, and then ground is flattened, it prevents the sundries such as stalk, stone from piercing through mulch, and then guarantees the heat preservation and fertilizer conservation performance of mulch；Ditching share can output groove on ground, be convenient for earthing disk that mulch avris is pressed into groove, and then excessive soil is prevented to be stacked into the middle part of mulch, avoid press mold soil mulching plant cave, reduce the case where seedling bores film, and raising emergence rate is low, guarantees final harvest.
Description
Technical field:
The utility model relates to technical field of agricultural machinery, relate in particular to a kind of film-laying machine.
Background technique:
Arid area be for the preservation of soil moisture and heat preservation, area of heavy rainfull be in order to keep the temperature and fertilizer conservation, it is past in traditional planting patterns
With agrotechnical development occur mechanical plastic film mulch mode gradually toward using artificial plastic film mulch, still, due to field have stone,
The sundries such as stalk cause ground out-of-flatness, are easy to pierce through mulch, influence the heat preservation and fertilizer conservation performance of mulch；And earthing disk covers
Soil amount is not easy to control, causes the press mold soil of mulch two sides thicker, and part kind plant hole when sowing is caused directly to be covered by press mold soil, by
There is phototaxis when plant elongation, therefore, there is the phenomenon that seedling bores film during the growth process, and influenced and dead by high temperature
It dies, causes emergence rate low, influence final harvest.
Utility model content:
The purpose of this utility model is to provide the film-laying machines that one kind is capable of grade.
The utility model is implemented by following technical solution: a kind of film-laying machine comprising mainframe is successively fixed from the front to the back
Ejector dozer, suppression roller, seamless plate, biofilm mechanism and earthing disk on the mainframe；It is pushed up in the front end of the mainframe
Portion is fixed with hanger bracket, and the drum shaft and the mainframe of the suppression roller are rotatablely connected；The ejector dozer, the seamless
Plate, the biofilm mechanism and the earthing disk are each attached to the lower section of the mainframe, in the front end two sides of the seamless plate point
It is not fixed with a ditching share；The width of the suppression roller and the seamless plate is respectively less than mulch in the biofilm mechanism and ties
Width.
Further, the ejector dozer is integrally V-shaped.
Further, an adjusting ring, the adjusting ring and institute are equipped in the two sides difference sliding sleeve of the suppression roller
Pressing roller cylinder is stated to partly overlap；The adjusting ring and the suppression roller are bolted, solid in the outside of the adjusting ring
Surely there is tubaeform retaining ring.
Further, the seamless plate includes the top plate being obliquely installed from top to bottom from the front to the back, and is separately fixed at institute
State the both side plate of two side bottom of top plate.
Further, the two sides of the mainframe above the seamless plate are vertically fixed a fixing sleeve respectively,
An adjusting rod is placed respectively in each fixing sleeve, the bottom end of the adjusting rod is fixedly connected with the seamless plate；
Be bolted with a bolt respectively in the side of each fixing sleeve, the top of the bolt pass through the side wall of the fixing sleeve with
The adjusting rod movable contact.
Further, it is fixed with pressure rod in the top vertical of the seamless plate, the top of the pressure rod passes through described
Mainframe is placed in above the mainframe, nut is bolted on the pressure rod above the mainframe, in the host
The outer cover of the pressure rod below frame is equipped with spring.
Further, fertilizing mechanism, the discharging of the material blanking tube of the fertilizing mechanism are fixed at the top of the mainframe
Mouth is placed in the rear of the ditching share；It is fixed with and broadcasts on the mainframe between the biofilm mechanism and the earthing disk
Kind mechanism.
Further, horizontally disposed suspended axle, and the suspension are fixed with by connecting rod in the rear end of the mainframe
Axis is vertically arranged relative to the direction of travel of mainframe；It is rotated respectively at the both ends of the suspended axle and is equipped with a soil-covered drum,
Two soil-covered drums are separately positioned on the inside of the adjacent earthing disk；Each soil-covered drum avris circumferentially
Direction offers the native hole of several leakages.
Further, the both ends of the suspended axle are respectively protruding into the inside of the corresponding soil-covered drum, in the earthing
The rear end of the suspended axle of drums inside is fixed with one piece of clean-up scraper.
Further, the soil-covered drum includes the adjusting set on the outside of resting barrel and the resting barrel that is slidably located in
Cylinder, offers the native hole of the leakage on the adjusting sleeve, and the native hole of the leakage partly overlaps with the resting barrel.
The advantages of the utility model: ejector dozer can push the sundries such as stalk on plastic film mulch ground to two sides, and suppress roller
Cooperate with seamless plate, the stone on ground and hard soil block can be pressed into soil, and then ground is flattened, prevent stalk, stone etc.
Sundries pierces through mulch, and then guarantees the heat preservation and fertilizer conservation performance of mulch；Ditching share can output groove on ground, be convenient for earthing disk
Mulch avris is pressed into groove, and then excessive soil is prevented to be stacked into the middle part of mulch, press mold soil mulching plant cave is avoided, subtracts
The case where few seedling bores film, raising emergence rate is low, guarantees final harvest.
Detailed description of the invention:
Fig. 1 is the overall structure diagram of embodiment 1.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the structural schematic diagram for suppressing roller.
Fig. 4 is the overall structure diagram of embodiment 2.
Fig. 5 is the structural schematic diagram of soil-covered drum.
Fig. 6 is the side view of soil-covered drum.
Mainframe 1, ejector dozer 2, suppression roller 3, seamless plate 4, top plate 4.1, side plate 4.2, fixing sleeve 4.3, adjusting rod
4.4, pressure rod 4.5, nut 4.6, spring 4.7, biofilm mechanism 5, earthing disk 6, hanger bracket 7, ditching share 8, adjusting ring 9, gear
Circle 10, bolt 11, suspended axle 12, soil-covered drum 13, resting barrel 13.1, adjust sleeve 13.2, leak native hole 14, clean-up scraper 15,
Fertilizing mechanism 16, sowing mechanism 17.
Specific embodiment:
Embodiment 1: as shown in Figures 1 to 5, a kind of film-laying machine comprising mainframe 1 is sequentially fixed at master from the front to the back
Ejector dozer 2, suppression roller 3, seamless plate 4, biofilm mechanism 5 and earthing disk 6 in rack 1；Ejector dozer 2, seamless plate 4, biofilm machine
Structure 5 and earthing disk 6 are each attached to the lower section of mainframe 1, are fixed with hanger bracket 7, the liter of tractor in the front top of mainframe 1
Descending mechanism can be mounted with hanger bracket 7；Ejector dozer 2 is whole V-shaped, can push the sundries such as the stalk on ground to two sides；
The drum shaft and mainframe 1 for suppressing roller 3 are rotatablely connected；A tune is connected in the two sides sliding sleeve of suppression roller 3
Pitch circle 9, adjusting ring 9 partly overlap with suppression roller 3；At least two screw rods are fixed in the outer wall vertical of suppression roller 3, are being adjusted
Long hole corresponding with each screw rod is provided in the axial direction on pitch circle 9, the top of screw rod passes through corresponding long hole, on the top of screw rod
It is bolted with nut, overlapping area between adjusting ring 9 and suppression roller 3 can be changed in the position that is spirally connected in long hole by adjusting bolt
Size, and then change the overall width of suppression roller 3 and adjusting ring 9, to be suitable for being laid with the demand of the mulch of different in width；?
The outside of adjusting ring 9 is fixed with tubaeform retaining ring 10, and tubaeform retaining ring 10 can make the ground two sides for suppressing 3 roll-in of roller
Groove is formed, convenient for entering the both sides side pressure of mulch in groove；
The two sides of mainframe 1 above seamless plate 4 are vertically fixed a fixing sleeve 4.3 respectively, in each fixing sleeve
An adjusting rod 4.4 is placed in 4.3 respectively, the bottom end of adjusting rod 4.4 is fixedly connected with seamless plate 4；In each fixing sleeve 4.3
Side be bolted with a bolt 11 respectively, the side wall that the top of bolt 11 passes through fixing sleeve 4.3 connects with 4.4 activity of adjusting rod
Touching；Fixing sleeve 4.3 and the different location of adjusting rod 4.4 can be fixed by bolt 11, and then realize and changed according to different landform
Become distance of the seamless plate 4 away from ground；
It is fixed with pressure rod 4.5 in the top vertical of seamless plate 4, the top of pressure rod 4.5 passes through mainframe 1, is placed in master
Above rack 1, it is bolted with nut 4.6 on the pressure rod 4.5 above mainframe 1, the pressure rod 4.5 below mainframe 1
Outer cover is equipped with spring 4.7；The pressure to seamless plate 4 can be increased by the way that spring 4.7 is arranged, prevent seamless plate 4 with topography variation
And jack up upwards, guarantee seamless effect；
It is respectively fixed with a ditching share 8 in the front end two sides of seamless plate 4, the width for suppressing roller 3 and seamless plate 4 is equal
Less than the width that mulch in biofilm mechanism 5 is tied, the ground two sides that ditching share 8 can further be such that seamless plate 4 flattened form ditch
Slot, convenient for after soil on earthing disk 6 will mulch two sides indentation groove in；
Seamless plate 4 includes the top plate 4.1 being obliquely installed from top to bottom from the front to the back, and is separately fixed at 4.1 two sides of top plate
The both side plate 4.2 of bottom；Top plate 4.1 is obliquely installed, and convenient for increasing pressure, that is, leveling dynamics to ground, keeps ground more flat
Whole, both side plate 4.2 can flatten the inside of groove；Earthing disk 6 can shift ground the soil of groove two sides onto after two upper side of mulch
In the two sides indentation groove of film；
Working principle: preparation is connect with hanger bracket 7 by the elevating mechanism of tractor, can be drawn to complete machine,
Mulch bundle is articulated in compact with soil on ground after biofilm mechanism 5 pulls out the end of mulch；
At work, firstly, shifting the sundries such as stalk on ground onto two sides by ejector dozer 2；Then, suppression roller 3 is right
Ground carries out preliminary consolidation, meanwhile, groove is extruded by the retaining ring 10 of two sides on the ground；Then, seamless plate 4 will suppress roller
Stone on ground after 3 preliminary consolidations etc. is pressed into ground, realizes further leveling, also, the ditching share 8 of two sides can be by ditch
Slot is further deepened；In above process, mulch is unfolded while complete machine is advanced forward, finally, by earthing disk 6 by groove two
It will be in the avris indentation groove of mulch while the soil of side is shifted onto groove.
Embodiment 2: as shown in Figs. 4-6, overall structure is same as Example 1, the difference is that, in mainframe 1
Top is fixed with fertilizing mechanism 16, and the discharge port of the material blanking tube of fertilizing mechanism 16 is placed in the rear of ditching share 8；In biofilm mechanism
Sowing mechanism 17 is fixed on mainframe 1 between 5 and earthing disk 6.
Horizontally disposed suspended axle 12 is fixed with by connecting rod in the rear end of mainframe 1, and suspended axle 12 is relative to host
The direction of travel of frame 1 is vertically arranged；It is rotated respectively at the both ends of suspended axle 12 and is equipped with a soil-covered drum 13, two soil-covered drums
13 are separately positioned on the inside of adjacent earthing disk 6；Several leakages are along the circumferential direction offered in the avris of each soil-covered drum 13
Native hole 14；
The both ends of suspended axle 12 are respectively protruding into the inside of corresponding soil-covered drum 13, the suspended axle inside soil-covered drum 13
12 rear end is fixed with one piece of clean-up scraper 15, and clean-up scraper 15 can scrape in time the soil in soil-covered drum 13, prevents soil and earthing
Roller 13 rotates together；Occur hard friction between clean-up scraper 15 and soil-covered drum 13 in order to prevent, the bottom end of clean-up scraper 15 with cover
There are the gaps of 2-5mm between the inner wall of native roller 13；Earthing disk 6 can dig out the soil of mulch two sides, and a part is native by mulch
Two sides are pressed into the groove that ditching share 8 has been dug, and another part soil enters behind 13 inside of soil-covered drum in clean-up scraper 15
It scrapes lower soil hole 14 of being leaked to leak out, the hole on mulch after cover-seeding；
Soil-covered drum 13 includes the adjusting sleeve 13.2 of resting barrel 13.1 and 13.1 outside of resting barrel that is slidably located in,
As shown in figure 5, offering axially disposed long hole on adjusting 13.2 side wall of sleeve, screw rod one end is fixed on resting barrel
Outside 13.1, the screw rod other end passes through the long hole adjusted on sleeve 13.2, is placed in the outside for adjusting sleeve 13.2, and nut is screwed onto
It adjusts on the screw rod outside sleeve 13.2；The native hole 14 of leakage is offered on adjusting sleeve 13.2, leaks native hole 14 and resting barrel
13.1 partly overlap；Size by adjusting sleeve 13.2 and 13.1 lap of resting barrel can change the native hole 14 of leakage
The native area of effective leakage, and then realize the purpose for changing earthing amount according to different sowing demands.
Working principle: preparation is connect with hanger bracket 7 by the elevating mechanism of tractor, can be drawn to complete machine,
Mulch bundle is articulated in it is compact with soil on ground after biofilm mechanism 5 pulls out the end of mulch, respectively in fertilizing mechanism 16, broadcast
Fertilizer, seed are filled in kind mechanism 17；
At work, firstly, shifting the sundries such as stalk on ground onto two sides by ejector dozer 2；Then, suppression roller 3 is right
Ground carries out preliminary consolidation, meanwhile, groove is extruded by the retaining ring 10 of two sides on the ground；Then, seamless plate 4 will suppress roller
Stone on ground after 3 preliminary consolidations etc. is pressed into ground, realizes further leveling, also, the ditching share 8 of two sides can be by ditch
Slot is further deepened；Fertilizer is spread in groove by fertilizing mechanism 16 again；In above process, while complete machine is advanced forward
Mulch expansion, and mulch is pressed onto the soil that seed is seeded under mulch behind ground by sowing mechanism 17 and forms kind of a plant hole,
Finally, can be dug out the soil of mulch two sides by earthing disk 6, mulch two sides are pressed into the ditch that ditching share 8 has been dug by a part soil
In slot, another part soil enters is leaked the native leakage of hole 14 under the scraping of clean-up scraper 15 behind 13 inside of soil-covered drum, is covered
On kind plant hole.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of film-laying machine, which is characterized in that it includes mainframe, the soil-shifting being sequentially fixed on the mainframe from the front to the back
Plate, suppression roller, seamless plate, biofilm mechanism and earthing disk；Hanger bracket, the town are fixed in the front top of the mainframe
The drum shaft of pressure roller and the mainframe are rotatablely connected；It the ejector dozer, the seamless plate, the biofilm mechanism and described covers
Native disk is each attached to the lower section of the mainframe, is respectively fixed with a ditching share in the front end two sides of the seamless plate；Institute
The width for stating suppression roller and the seamless plate is respectively less than the width that mulch is tied in the biofilm mechanism.
2. a kind of film-laying machine according to claim 1, which is characterized in that the ejector dozer is integrally V-shaped.
3. a kind of film-laying machine according to claim 1, which is characterized in that be equipped in the two sides sliding sleeve of the suppression roller
One adjusting ring, the adjusting ring partly overlap with the pressing roller cylinder；It is fixed on the outside of the adjusting ring tubaeform
Retaining ring.
4. a kind of film-laying machine according to claim 1, which is characterized in that the seamless plate includes from the front to the back from top to bottom
The top plate being obliquely installed, and it is separately fixed at the both side plate of two side bottom of top plate.
5. a kind of film-laying machine according to claim 1, which is characterized in that the mainframe above the seamless plate
Two sides are vertically fixed a fixing sleeve respectively, have placed an adjusting rod, the adjusting respectively in each fixing sleeve
The bottom end of bar is fixedly connected with the seamless plate；It is bolted with a bolt, the spiral shell respectively in the side of each fixing sleeve
The top of bolt passes through the side wall and the adjusting rod movable contact of the fixing sleeve.
6. a kind of film-laying machine according to claim 5, which is characterized in that be fixed with and add in the top vertical of the seamless plate
Compression bar, the top of the pressure rod pass through the mainframe, are placed in above the mainframe, above the mainframe described in
Nut is bolted on pressure rod, the outer cover of the pressure rod below the mainframe is equipped with spring.
7. a kind of film-laying machine according to any one of claims 1 to 6, which is characterized in that fixed at the top of the mainframe
There is fertilizing mechanism, the discharge port of the material blanking tube of the fertilizing mechanism is placed in the rear of the ditching share；In the biofilm mechanism
Sowing mechanism is fixed on the mainframe between the earthing disk.
8. a kind of film-laying machine according to claim 7, which is characterized in that fixed in the rear end of the mainframe by connecting rod
There is horizontally disposed suspended axle, and the suspended axle is vertically arranged relative to the direction of travel of mainframe；In the suspended axle
Both ends rotate respectively is equipped with a soil-covered drum, and two soil-covered drums are separately positioned on the inside of the adjacent earthing disk；
The native hole of several leakages is along the circumferential direction offered in the avris of each soil-covered drum.
9. a kind of film-laying machine according to claim 8, which is characterized in that the both ends of the suspended axle are respectively protruding into corresponding
The inside of the soil-covered drum, the rear end of the suspended axle inside the soil-covered drum are fixed with one piece of clean-up scraper.
10. a kind of film-laying machine according to claim 8, which is characterized in that the soil-covered drum includes resting barrel and cunning
The dynamic adjusting sleeve being set on the outside of the resting barrel offers the native hole of the leakage, the leakage soil on the adjusting sleeve
Hole partly overlaps with the resting barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821073781.7U CN208402698U (en) | 2018-07-06 | 2018-07-06 | A kind of film-laying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821073781.7U CN208402698U (en) | 2018-07-06 | 2018-07-06 | A kind of film-laying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208402698U true CN208402698U (en) | 2019-01-22 |
Family
ID=65125582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821073781.7U Expired - Fee Related CN208402698U (en) | 2018-07-06 | 2018-07-06 | A kind of film-laying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208402698U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110637659A (en) * | 2019-10-14 | 2020-01-03 | 廖远峰 | Land film covering machine |
| CN112205227A (en) * | 2020-11-04 | 2021-01-12 | 温州趣陌农业科技有限公司 | Mulching film laying device for agricultural planting |
| CN112219641A (en) * | 2020-10-10 | 2021-01-15 | 赵仁旺 | Edible fungus is planted and uses artifical device that digs |
| CN114097362A (en) * | 2021-11-02 | 2022-03-01 | 山西农业大学经济作物研究所 | Green manure soybean interplanting and earthing device and method |
-
2018
- 2018-07-06 CN CN201821073781.7U patent/CN208402698U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110637659A (en) * | 2019-10-14 | 2020-01-03 | 廖远峰 | Land film covering machine |
| CN112219641A (en) * | 2020-10-10 | 2021-01-15 | 赵仁旺 | Edible fungus is planted and uses artifical device that digs |
| CN112205227A (en) * | 2020-11-04 | 2021-01-12 | 温州趣陌农业科技有限公司 | Mulching film laying device for agricultural planting |
| CN114097362A (en) * | 2021-11-02 | 2022-03-01 | 山西农业大学经济作物研究所 | Green manure soybean interplanting and earthing device and method |
| CN114097362B (en) * | 2021-11-02 | 2023-02-28 | 山西农业大学经济作物研究所 | Green manure soybean interplanting and earthing device and method |
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| 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: 20190122 |