CN206821297U - Corn ears and stems take in double-deck harvesting-platform and maize harvesting machine concurrently - Google Patents
Corn ears and stems take in double-deck harvesting-platform and maize harvesting machine concurrently Download PDFInfo
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- CN206821297U CN206821297U CN201720554872.1U CN201720554872U CN206821297U CN 206821297 U CN206821297 U CN 206821297U CN 201720554872 U CN201720554872 U CN 201720554872U CN 206821297 U CN206821297 U CN 206821297U
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- harvesting
- stalk
- platform
- feeding roller
- assembly
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Abstract
The utility model proposes a kind of corn ears and stems to take in double-deck harvesting-platform and maize harvesting machine concurrently, the operations such as corn picker, straw chopping recovery can be disposably completed, lower floor's harvesting-platform can complete " stalk cut-out conveying chopping is thrown " work flow while harvesting-platform completes harvesting on upper strata.Corn ears and stems take in double-deck harvesting-platform, including upper strata harvesting-platform and lower floor's harvesting-platform concurrently；Upper strata harvesting-platform includes harvesting stand, nearside divider and ear-picking unit, nearside divider is arranged on harvesting stand top front end, ear-picking unit includes snapping bar, ear forwarder and the harvesting transmission case being arranged on harvesting stand, snapping bar is connected with harvesting transmission case, and ear forwarder is located at harvesting transmission case rear portion；Lower floor's harvesting-platform is located at below the harvesting-platform of upper strata, including stalk shearing device, stalk conveying device, stalk chopper and the stalk throwing device set gradually.
Description
Technical field
It the utility model is related to harvesting-platform, and in particular to a kind of harvesting-platform and maize harvesting machine for maize harvesting machine,
The operation functions such as corn picker, straw chopping, recovery can be disposably completed, belong to agricultural machinery technological field.
Background technology
Corn is China the first generalized grain crop, and the Summer Maize in China is concentrated mainly on Huang-Huai-Hai, is China's jade
Rice concentrates producing region the most, and sown area is about 1.6 hundred million mu, accounts for more than the 30% of the national corn gross area.This area uses 1 year
Two ripe cropping patterns, large area contiguous plant, it is easier to realize mechanization combining operation.During this area's harvest corn
Moisture content of straws is higher, can be utilized as feed, and it is poor that existing corncob and stalk cropper has a chopping result, easily block etc.
Problem；In addition, existing fruit ear cropper can once complete straw-returning operation, returning total stalks into fields straw mulching quantity mostly
Greatly, second stubble crop sowing is influenceed, easily grows pest and disease damage.Innovation research and development novel corn corncob and stalk bilayer harvesting-platform and harvest corn
Machine can complete stalk cutting while fruit ear is harvested, and provide feed for animal husbandry, while realize the appropriate returning to the field of stalk.
Technical problem underlying existing for the existing corn-harvesting table in China has：
（1）The existing ear picking bench of corn harvester of China market mainly has a two types, and one kind is harvesting roll-type, Yi Zhongshi
Harvesting is board-like.Wherein, roll-type harvesting can adapt to harvest under conditions of Huang-Huai-Hai Moisture of Maize is higher, and the stalk that breaks is few,
With the ability for actively conveying stalk, but harvesting hook easily causes fruit ear and falls grain and damage.Board-like ear picking bench, it is small to fruit ear damage,
But being produced for the harvest condition of Huang-Huai-Hai into a large amount of disconnected stalks causes ear picking bench to block.
（2）Existing corncob and stalk corn harvesting-platform uses the straw treating device based on straw counters-field set principle mostly,
Easily block, straw chopping effect is poor, and the stalk harvested is unfavorable for storing for a long time easily containing soil.
Utility model content
The utility model proposes a kind of corn ears and stems to take in double-deck harvesting-platform and maize harvesting machine concurrently, can disposably complete jade
The operations such as rice harvesting, straw chopping recovery, lower floor harvesting-platform can complete that " stalk is cut while on upper strata, harvesting-platform completes harvesting
Disconnected-conveying-is shredded-thrown " work flow, improves harvesting-platform operating efficiency, high-quality feed can be provided for animal husbandry while is realized
The appropriate returning to the field of stalk, is advantageous to agricultural production cost-saving synergistic.
The utility model is as follows using technical scheme：
A kind of corn ears and stems take in double-deck harvesting-platform concurrently, are arranged on maize harvesting machine, including upper strata harvesting-platform and lower floor receive
Obtain platform；Upper strata harvesting-platform includes harvesting stand, nearside divider and ear-picking unit, and nearside divider is arranged on harvesting stand top front end, plucked
Fringe device includes snapping bar, ear forwarder and the harvesting transmission case being arranged on harvesting stand, and snapping bar is driven with harvesting
Case connects, and ear forwarder is located at harvesting transmission case rear portion；Lower floor's harvesting-platform is located at below the harvesting-platform of upper strata, including sets gradually
Stalk shearing device, stalk conveying device, stalk chopper and stalk throwing device.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and stalk conveying device includes conveying chain harrow assembly, above fed
Enter roller assembly and lower feeding roller assembly, conveying chain harrow assembly is located at stalk shearing device rear portion, and upper feeding roller assembly is positioned at conveying
Chain harrow assembly rear upper, lower feeding roller assembly are fed below roller assembly positioned at conveying chain harrow assembly rear portion, and positioned at upper.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and upper feeding roller assembly includes upper feeding roller, upper feeding roller
Periphery sets upper feeding roller tooth plate, and upper feeding roller one end connects the dynamic of maize harvesting machine through upper feeding roller input sprocket chain assemblies
Power axle.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and lower feeding roller assembly includes lower feeding roller, lower feeding roller
Periphery sets lower feeding plate, and lower feeding roller one end exports through lower feeding roller input sprocket chain assemblies connection stalk conveying screw feeder
End, stalk conveying screw feeder input connection stalk throwing device.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and conveying chain harrow assembly is located at stalk shearing device rear portion,
Connection sprocket wheel, left side chain harrow and right side among including left side chain harrow, right side chain harrow and between left side chain harrow and right side chain harrow
Chain harrow is set on chain harrow bottom plate and is respectively provided with chain harrow driving lever, and right side chain harrow one end is fed through the connection of chain harrow input sprocket chain assemblies is lower
Enter roller assembly.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and it also includes stalk conveying screw feeder assembly, stalk conveying
Screw feeder assembly is located at stalk conveying device rear portion, and stalk conveying screw feeder assembly includes stalk conveying screw feeder, and stalk conveying screw feeder is defeated
Enter end connection stalk auger input sprocket, stalk conveying screw feeder output end connection stalk auger output chain gear, stalk conveying screw feeder
Plate is provided with close to throwing device one end.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and stalk chopper is positioned at upper feeding roller assembly and lower feeds
Enter roller assembly rear portion, including stationary knife is arranged on the chopping rotor on chopping cutter shaft with more than one, it is total that stationary knife is located at lower feeding roller
Into rear, chopping cutter shaft input connects the line shaft of maize harvesting machine through belt wheel pulley assemblies, and chopping cutter shaft output end is through changing
Stalk throwing device input is connected to gear assembly.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and stalk shearing device is located under lower floor's harvesting-platform front end
Portion, including reciprocating cutterbar, reciprocating cutterbar connect lower feeding roller assembly through swinging-ring mechanism.
Above-mentioned corn ears and stems take in double-deck harvesting-platform preferred scheme concurrently, and stalk throwing device is located at stalk conveying device rear portion and position
Above stalk conveying screw feeder, one end is connected through the tooth assembly that commutates with stalk chopper, and the other end connects with stalk conveying screw feeder
Connect.
A kind of maize harvesting machine, including described maize harvesting machine corncob and stalk bilayer harvesting-platform.
The utility model has the advantage of：
The structure of upper and lower two layers of harvesting-platform is employed, upper strata harvesting-platform completes corn picker operation, and lower floor's harvesting-platform is completed
" stalk cut-out-conveying-is shredded-thrown " operation, can be achieved the corncob and stalk of corn, can have been shown using the machinery operation of the invention
Write and improve operating efficiency；Using straw chopping recovering effect is remarkably improved after the utility model, solve blockage problem, improve stem
The cleannes of stalk, while realize the appropriate returning to the field of stalk.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.
Fig. 1 corncob and stalk bilayer harvesting-platform structural representations；
Fig. 2 lower floors harvesting-platform A-A deploys view.
Wherein, 1 nearside divider, 2 harvesting stands, 3 snapping bars, 4 reciprocating cutterbars, 5 convey chain harrow assemblies, are fed on 6
Enter roller assembly, 7 times feeding roller assemblies, 8 stationary knifes, 9 chopping rotors, 10 stalks conveying screw feeder, 11 stalk throwing devices, 12 is dynamic
Power axle, 13 ear forwarders, 14 harvesting transmission cases, 4.1 reciprocating cutterbars, 4.2 swinging-ring mechanisms, 5.1 left side chain harrows,
5.2 chain harrow driving levers, connection sprocket wheels among 5.3,5.4 chain harrow bottom plates, 5.5 right side chain harrows, 5.6 chain harrow input sprockets, on 6.1
Feeding roller, feeding roller tooth plate on 6.2, feeding roller input sprocket on 6.3,7.1 times feeding rollers, 7.2 times feeding plates, 7.3 time hello
Enter roller input sprocket, 7.4 times feeding roller output chain gears, 9.1 chopping rotor input tape wheels, 9.2 chopping rotors, 9.3 rotors
Tumbler gear, 10.1 stalk screw feeder output chain gears, 10.2 stalks conveying screw feeder, 10.3 lower racks, 10.4 stalk screw feeders are defeated
Enter sprocket wheel, 10.5 plates, 11.1 throwing device tumbler gears, 11.2 throwing devices, 11.3 throwing device output chain gears.
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
A kind of corn ears and stems take in double-deck harvesting-platform concurrently, are arranged on maize harvesting machine, including are connected to one by connector
The upper strata harvesting-platform and lower floor's harvesting-platform risen；Upper strata harvesting-platform includes harvesting stand 2, nearside divider 1 and ear-picking unit, nearside divider 1
The top front end of harvesting stand 2 is arranged on, ear-picking unit includes snapping bar 3, the ear forwarder 13 being arranged on harvesting stand 2
With harvesting transmission case 14, harvesting transmission case 14 is arranged on the middle part of harvesting stand 2, and snapping bar 3 is connected with harvesting transmission case 14, fruit ear
Conveyer 13 is located at the rear portion of harvesting transmission case 14；Lower floor's harvesting-platform is located at below the harvesting-platform of upper strata, including the He of lower rack 10.3
Stalk shearing device, stalk conveying device, stalk chopper and the stalk throwing device 11 set gradually.
Stalk conveying device includes conveying chain harrow assembly 5, upper feeding roller assembly 6, lower feeding roller assembly 7 and stalk conveying and stirred
Imperial assembly 10, conveying chain harrow assembly 5 are located at stalk shearing device rear portion, and upper feeding roller assembly 6 is positioned at the rear portion of conveying chain harrow assembly 5
Top, lower feeding roller assembly 7 feed the lower section of roller assembly 6 positioned at the rear portion of conveying chain harrow assembly 5, and positioned at upper.
Upper feeding roller assembly 6 includes upper feeding roller 6.1, and the upper periphery of feeding roller 6.1 sets upper feeding roller tooth plate 6.2, upper to feed
Enter the line shaft 12 that the input of roller 6.1 connects maize harvesting machine through upper feeding roller input sprocket chain assemblies, upper feeding roller input
Sprocket wheel chain assemblies include upper feeding roller input sprocket, the power on line shaft 12 positioned at the upper input of feeding roller 6.1
First chain of axle output chain gear and the upper feeding roller input sprocket of connection and line shaft output chain gear.
Lower feeding roller assembly 7 includes lower feeding roller 7.1, and the lower periphery of feeding roller 7.1 sets lower feeding plate 7.2, lower feeding roller
One end connects through the lower feeding roller input sprocket chain assemblies connection stalk conveying output end of screw feeder 10, stalk conveying screw feeder 10 input
Stalk throwing device 11 is connect, the other end connects conveying chain harrow assembly 5, lower feeding roller input through lower feeding roller output chain gear chain assemblies
Sprocket wheel chain assemblies include the lower feeding roller input sprocket 7.3 positioned at the lower input of feeding roller 7.1, positioned at stalk conveying device 10
On the lower feeding roller input sprocket 7.3 of stalk auger output chain gear 10.1 and connection and the second of stalk auger output chain gear 10.1
Chain, lower feeding roller output chain gear chain assemblies include positioned at it is lower feeding 7.1 roller output ends lower feeding roller output chain gear 7.4,
The lower feeding roller output chain gear 7.4 of chain harrow input sprocket 5.6 and connection and chain harrow input sprocket on conveying chain harrow assembly 5
5.6 the 3rd chain.
Conveying chain harrow assembly 5 is located at stalk shearing device rear portion, including left side chain harrow 5.1, right side chain harrow 5.5 and positioned at a left side
Connection sprocket wheel 5.3 among between side chain rake 5.1 and right side chain harrow 5.5, left side chain harrow 5.1 and right side chain harrow 5.5 set chain harrow
On bottom plate 5.4 and chain harrow driving lever 5.2 is respectively provided with, the one end of right side chain harrow 5.5 connects chain harrow input sprocket 5.6.
Stalk conveying screw feeder assembly 10 is located at stalk conveying device rear portion, and stalk conveys the assembly of screw feeder 10 and conveyed including stalk
Screw feeder 10, stalk conveying screw feeder 10 input connection stalk auger input sprocket 10.4, stalk conveying screw feeder 10 output end connection
Stalk auger output chain gear 10.1, stalk conveying screw feeder 10 are provided with plate 10.5 close to the one end of throwing device 11.
Stalk chopper positioned at upper feeding roller assembly 6 and lower feeding roller assembly 7 rear portion, including stationary knife 8 and more than one
The chopping rotor 9 being arranged on chopping cutter shaft, stationary knife 8 is positioned at lower feeding roller assembly 7 rear, and chopping cutter shaft input is through band wheel belt
Wheel assembly connects the line shaft 12 of maize harvesting machine, and chopping cutter shaft output end is defeated through tumbler gear component connection stalk throwing device 11
Enter end, belt wheel pulley assemblies include being arranged on the chopping rotor input tape wheel 9.1 of chopping cutter shaft input, set on line shaft 12
Power belt wheel and connection chopping rotor input tape wheel 9.1 and power belt wheel belt, tumbler gear component includes chopping cutter shaft
The rotor tumbler gear 9.3 of output end connection and the throwing device tumbler gear 11.1 being connected with the input of stalk throwing device 11.
Stalk shearing device is located at lower floor's harvesting-platform front lower portion, including reciprocating cutterbar 4, reciprocating cutterbar 4 pass through
The lower feeding roller assembly 7 of swinging-ring mechanism connection.
Stalk throwing device 11 is located at stalk conveying device rear portion and positioned at the top of stalk conveying screw feeder 10, and one end is through commutating tooth
Component is connected with stalk chopper, and the other end is connected with stalk conveying screw feeder 10.
It is as follows that the harvesting-platform course of work is taken in concurrently using corn ears and stems：Imparted power to by engine on maize harvesting machine
The line shaft 12 of layer harvesting-platform, line shaft 12 impart power to harvesting transmission case 14, and harvesting transmission case 14 drives snapping bar 3 to revolve
Turn to complete ear harvesting operation, the fruit ear taken enters ear forwarder 13, and ear forwarder 13 is under the drive of line shaft 12 by fruit
Fringe conveys backward；Lower feeding roller assembly 7 provides power for swinging-ring mechanism, and swinging-ring mechanism drives reciprocating cutterbar 4.1 by stalk
Cut off from root, the stalk of cut-out conveys backward in the presence of chain harrow assembly 5 is conveyed, its power resources in lower feeding roller 7.1,
Stalk conveying screw feeder 10.1 drives lower feeding roller 7.1 to turn clockwise, and line shaft 12 drives the upper rotate counterclockwise of feeding roller 6.1,
Stalk is continued to convey backward by upper feeding roller 6.1 and the lower opposite direction rotating of feeding roller 7.1, and line shaft 12 drives chopping rotor 9.2 inverse
Hour hands rotation shreds corn stem with the collective effect of stationary knife 8, and the stalk after chopping enters stalk conveying screw feeder 10.2, line shaft
12 convey stalk to right-hand member under the drive of throwing device 11.2, dial in and throw by the plate 10.5 on stalk conveying screw feeder 10.2
Device 11, throwing device 11 turn clockwise broken stalk through throwing by rotor tumbler gear 9.3 and the engagement of throwing device tumbler gear 11.1
Device 11 is sent to dish out；So far for upper strata harvesting-platform while fruit ear is harvested, lower floor's harvesting-platform completes " stalk cut-out-conveying-chopping-
Throw " process, realize the corncob and stalk of corn.
A kind of maize harvesting machine, including described maize harvesting machine corncob and stalk bilayer harvesting-platform.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (10)
1. a kind of corn ears and stems take in double-deck harvesting-platform concurrently, it is arranged on maize harvesting machine, it is characterised in that：Including upper strata harvesting-platform
With lower floor's harvesting-platform；Upper strata harvesting-platform includes harvesting stand, nearside divider and ear-picking unit, and nearside divider is arranged on harvesting stand top
Front end, ear-picking unit include snapping bar, ear forwarder and the harvesting transmission case being arranged on harvesting stand, and snapping bar is with plucking
Fringe transmission case connects, and ear forwarder is located at harvesting transmission case rear portion；Lower floor's harvesting-platform is located at below the harvesting-platform of upper strata, including according to
Stalk shearing device, stalk conveying device, stalk chopper and the stalk throwing device of secondary setting.
2. corn ears and stems as claimed in claim 1 take in double-deck harvesting-platform concurrently, it is characterised in that：Stalk conveying device includes conveying
Chain harrow assembly, upper feeding roller assembly and lower feeding roller assembly, conveying chain harrow assembly are located at stalk shearing device rear portion, upper feeding roller
Assembly is located at upper feeding roller positioned at conveying chain harrow assembly rear upper, lower feeding roller assembly positioned at conveying chain harrow assembly rear portion
Below assembly.
3. corn ears and stems as claimed in claim 2 take in double-deck harvesting-platform concurrently, it is characterised in that：Upper feeding roller assembly includes upper feed
Enter roller, upper feeding roller periphery sets upper feeding roller tooth plate, and upper feeding roller one end connects through upper feeding roller input sprocket chain assemblies
The line shaft of maize harvesting machine.
4. corn ears and stems as claimed in claim 2 take in double-deck harvesting-platform concurrently, it is characterised in that：Lower feeding roller assembly includes lower feed
Enter roller, lower feeding roller periphery sets lower feeding plate, and lower feeding roller one end connects stalk through lower feeding roller input sprocket chain assemblies
Convey screw feeder output end, stalk conveying screw feeder input connection stalk throwing device.
5. corn ears and stems as claimed in claim 2 take in double-deck harvesting-platform concurrently, it is characterised in that：Conveying chain harrow assembly is located at stalk
Shearing device rear portion, including left side chain harrow, right side chain harrow and the middle connection sprocket wheel between left side chain harrow and right side chain harrow, it is left
Side chain is harrowed and right side chain harrow sets on chain harrow bottom plate and is respectively provided with chain harrow driving lever, and right side chain harrow one end is through chain harrow input sprocket chain
The lower feeding roller assembly of component connection.
6. corn ears and stems as claimed in claim 2 take in double-deck harvesting-platform concurrently, it is characterised in that：It also includes stalk conveying screw feeder
Assembly, stalk conveying screw feeder assembly are located at stalk conveying device rear portion, and stalk conveying screw feeder assembly includes stalk conveying screw feeder, stem
Stalk conveying screw feeder input connection stalk auger input sprocket, stalk conveying screw feeder output end connection stalk auger output chain gear,
Stalk conveying screw feeder is provided with plate close to throwing device one end.
7. corn ears and stems as claimed in claim 2 take in double-deck harvesting-platform concurrently, it is characterised in that:Stalk chopper is fed positioned at upper
Enter roller assembly and lower feeding roller assembly rear portion, including stationary knife is arranged on the chopping rotor on chopping cutter shaft, stationary knife with more than one
Positioned at lower feeding roller assembly rear, chopping cutter shaft input connects the line shaft of maize harvesting machine, chopping through belt wheel pulley assemblies
Cutter shaft output end connects stalk throwing device input through tumbler gear component.
8. corn ears and stems as claimed in claim 2 take in double-deck harvesting-platform concurrently, it is characterised in that：Stalk shearing device is located at lower floor
Harvesting-platform front lower portion, including reciprocating cutterbar, reciprocating cutterbar connect lower feeding roller assembly through swinging-ring mechanism.
9. corn ears and stems as claimed in claim 1 take in double-deck harvesting-platform concurrently, it is characterised in that：It is defeated that stalk throwing device is located at stalk
Send device rear portion and positioned at stalk conveying screw feeder above, one end through commutate tooth assembly be connected with stalk chopper, the other end and
Stalk conveying screw feeder connection.
10. a kind of maize harvesting machine, it is characterised in that including the maize harvesting machine ear stem as described in any one of claim 1 to 9
Take in double-deck harvesting-platform concurrently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554872.1U CN206821297U (en) | 2017-05-18 | 2017-05-18 | Corn ears and stems take in double-deck harvesting-platform and maize harvesting machine concurrently |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720554872.1U CN206821297U (en) | 2017-05-18 | 2017-05-18 | Corn ears and stems take in double-deck harvesting-platform and maize harvesting machine concurrently |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206821297U true CN206821297U (en) | 2018-01-02 |
Family
ID=60772101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720554872.1U Expired - Fee Related CN206821297U (en) | 2017-05-18 | 2017-05-18 | Corn ears and stems take in double-deck harvesting-platform and maize harvesting machine concurrently |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206821297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107409618A (en) * | 2017-05-18 | 2017-12-01 | 山东省农业机械科学研究院 | Corn ears and stems take in double-deck harvesting-platform and maize harvesting machine concurrently |
| CN109769465A (en) * | 2019-03-29 | 2019-05-21 | 中国农业大学 | A kind of small-sized chain opium poppy cropper |
-
2017
- 2017-05-18 CN CN201720554872.1U patent/CN206821297U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107409618A (en) * | 2017-05-18 | 2017-12-01 | 山东省农业机械科学研究院 | Corn ears and stems take in double-deck harvesting-platform and maize harvesting machine concurrently |
| CN109769465A (en) * | 2019-03-29 | 2019-05-21 | 中国农业大学 | A kind of small-sized chain opium poppy cropper |
| CN109769465B (en) * | 2019-03-29 | 2020-06-02 | 中国农业大学 | Small chain type poppy harvester |
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| 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: 20180102 Termination date: 20210518 |