CN110122058A - A kind of support chain-type crudefiber crop harvester - Google Patents
A kind of support chain-type crudefiber crop harvester Download PDFInfo
- Publication number
- CN110122058A CN110122058A CN201910422371.1A CN201910422371A CN110122058A CN 110122058 A CN110122058 A CN 110122058A CN 201910422371 A CN201910422371 A CN 201910422371A CN 110122058 A CN110122058 A CN 110122058A
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- China
- Prior art keywords
- sprocket
- driven
- chain
- minor sprocket
- type
- 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.)
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Links
- 238000005520 cutting process Methods 0.000 claims abstract description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000003306 harvesting Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000013340 harvest operation Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/06—Harvesting of standing crops of flax or similar fibrous plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D45/00—Harvesting of standing crops
- A01D45/06—Harvesting of standing crops of flax or similar fibrous plants
- A01D45/065—Harvesting of standing crops of flax or similar fibrous plants of fibrous plants other than flax, e.g. ramie, sisal, hemp, jute, Spanish grass, raffia
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D47/00—Headers for topping of plants, e.g. stalks with ears
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
- A01D57/01—Devices for leading crops to the mowing apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
- A01D57/01—Devices for leading crops to the mowing apparatus
- A01D57/02—Devices for leading crops to the mowing apparatus using reels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/002—Carriers for the transport of harvesters or mowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/18—Safety devices for parts of the machines
- A01D75/187—Removing foreign objects
Abstract
The present invention discloses a kind of support chain-type crudefiber crop harvester, including the tractor ceding of Taiwan and hanger bracket, the ceding of Taiwan includes array cutter device and cross conveyor, the cutter device includes the first driven minor sprocket, second driven minor sprocket, active minor sprocket, first hydraulic motor, driven big sprocket wheel, longitudinally fed chain, shield, dial stalk star-wheel, semicircular arc-shaped ledger-plate, movable arbor, hexagonal formula turns round cutting blade and pedestal, the cross conveyor includes the second hydraulic motor, transmission shaft, device mounting rack, drive sprocket, transversal chain conveyor and driven sprocket.After the present invention cooperates each cutting assembly to cut by movable arbor, it recycles longitudinally fed chain, dial stalk star-wheel and cross conveyor cooperation completes stem cutting and conveys operation, have the advantages that novel in design, compact-sized, versatile, stable working, high-efficient.
Description
Technical field
The present invention relates to agricultural machinery technological field, in particular to a kind of support chain-type crudefiber crop harvester.
Background technique
The large-scale production of nearly agricultural is using advanced agriculture production technology on the soil concentrated in flakes, with efficient
Agricultural machinery carry out farming.The labor productivity for agricultural that it can not only improve, under the premise of certain production investment, drop
The production cost of low land area of one unit improves yield, so that the price of agricultural product is had market competition advantage, but also can band
A series of development of related industries such as dynamic transport, agricultural machinery manufacture, maintenance service, storage drying, forms the development of multi-form agriculture
Situation.
So far, high thick stalk crop harvester mostly use be arranged in by driver's cabin and power device it is motor-driven on chassis
Vehicle cuts off stalk, the more cloth of conveying device as harvesting railcar body, using the reciprocating cutterbar for being horizontally installed on motor vehicle front
It sets in the middle part of the car body of motor vehicle, by stalk along motor-driven vehicle going direction, clamps and promote the rear for being transported to harvester forward heap
It puts.Self-propelled harvester will increase the harvesting cost of high thick stalk crop, and auxiliary type harvesting function makes full use of tractor, will match
The ceding of Taiwan of set can carry out field harvest operation after connecting by hanger bracket with tractor, and harvesting can be greatly reduced
Cost.
So far, there are mainly two types of the cutting modes of the cutter device of high thick stalk crop harvester: reciprocating cutting
With rotary cutting.Reciprocating cutterbar is connected using single-point, and there are two support bases for cutter lower part, for supporting cutter portion
Sub-prime amount is cut by the reciprocating motion of cutting blade, and cutting mode can be divided into single action knife and two kinds of double acting knife again.It is double acting
The driving mechanism of knife reciprocating cutterbar can make upper and lower moving knife do the reversed reciprocating motion for waiting strokes.The cutter of rotary cutting assembly
Pattern to common are linear type, shaped form, light sword collar plate shape, serrated disks type, planet gyration type and star flute profile etc. several.It returns
The cutting speed of rotatable cutter is high, and cutting power is strong.Though single knife reciprocating cutter structure is simple, single cutting speed is low,
Reciprocating motion inertia force is big, vibration is big and balance inertial force difficulty is big.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of compact-sized, versatile, efficiency
A kind of high, stable working support chain-type crudefiber crop harvester.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of support chain-type crudefiber crop harvester, including tractor, which is characterized in that further include the ceding of Taiwan and hanger bracket, institute
It states the ceding of Taiwan and tractor front is suspended on by hanger bracket fixation, the ceding of Taiwan includes array cutter device and cross conveyor；
The cutter device include the first driven minor sprocket, the second driven minor sprocket, active minor sprocket, the first hydraulic motor, from
Dynamic big sprocket wheel, longitudinally fed chain, shield, dial stalk star-wheel, semicircular arc-shaped ledger-plate, movable arbor, hexagonal formula revolution cutting blade and
Pedestal, the first driven minor sprocket, the second driven minor sprocket, driven big sprocket wheel and the shield are solid by bearing and short axle
Fixed connection, the movable arbor upper end pass through the default axis hole of shield and are fixedly connected with the first hydraulic motor, lead on the movable arbor
Cross bearing and be fixedly connected with active minor sprocket, the first driven minor sprocket, the second driven minor sprocket, active minor sprocket with it is driven
Big sprocket wheel engages connection with longitudinally fed chain, and described group of stalk star-wheel is fixed on movable arbor by the way that welding is equidistant, the moving knife
Axis is bolted to screw and be installed in the boss axis on semicircular arc ledger-plate top, and the hexagonal formula revolution cutting blade passes through
Bearing is connected and fixed with moving knife the tip of the axis；
The cross conveyor include the second hydraulic motor, transmission shaft, device mounting rack, drive sprocket, transversal chain conveyor and
The both ends of driven sprocket, the transmission shaft are fixedly installed in device mounting rack by bearing, and the transmission shaft upper end is fixed to be connected
It is connected to the second hydraulic motor, the drive sprocket is fixedly connected on transmission shaft, the transversal chain conveyor engagement installation by bearing
In on drive sprocket and driven sprocket, described device mounting rack is fixedly installed on pedestal.
Preferably, it is in tilted layout along angle with horizontal plane in 6 ° on the pedestal.
Preferably, the shield is reinforced being fixed on the base by gusset welding.
Preferably, the hanger bracket includes right suspension arm, left suspension arm and ceding of Taiwan bracket, and the transversal exiting device passes through
Ceding of Taiwan bracket is fixedly connected on the front suspension connector of tractor, the left suspension arm and right suspension arm and cross conveyor,
Tractor body is connected by hinge support.
Preferably, the transversal exiting device is also fixedly connected by wirerope with tractor, and the steel wire penetrating is horizontal
It is clamped and is connected using rope clamp to conveying device and the preset cord hole in tractor rear portion.
Preferably, the trailing flank of the semicircular arc-shaped ledger-plate is tightened installation corresponding in pedestal by bolt
At hole.
Preferably, the shield, which is preset to be tightened in mounting hole by bolt at transversal chain conveyor, pressure spring.
Preferably, it is also tightened by bolt on the pedestal side and is connected with a baffle.
In conclusion the invention has the benefit that
1. cooperating to realize the novel cutting assembly of cutting by hexagonal formula revolution cutting blade and semicircular arc-shaped ledger-plate, compare
Traditional reciprocating cutterbar component and mono-/bis-disk cut type cutter component, the present invention have faster cutting speed, can more use up
Stalk can be cut off completely by early cutting off and having the function of once cutting.
It is that the cutting of crudefiber crop and conveying increase 2. being welded on the new cutting conveying assembly on movable arbor for stalk star-wheel is dialled
Supporting-point plays the function of enabling the stalk of cutting to be conveyed immediately, compared to common crudefiber crop harvest machinery, this
The generation of the case where cutting caused by invention drastically reduces due to the stalk after cutting off is fallen and conveying blocking.
3. longitudinally fed chain sprocket component of the invention is able to achieve the two kinds of functions of helping cutting and conveying, compared to common
The support component being made of in crudefiber crop harvester nearside divider, seeding supporting chain and winder, the present invention crop different to thickness
The harvesting of stalk have higher adaptability, the harvesting of hemp stalk can be made more orderly, and can be reduced because leakage cut and caused by receipts
Cut loss.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of Fig. 1 working condition；
Fig. 4 is the cutter device structural schematic diagram in Fig. 1；
Fig. 5 is the top view of the longitudinally fed chain in Fig. 4；
Fig. 6 is the cross conveyor structural schematic diagram in Fig. 1；
Fig. 7 is movable arbor and its connecting component schematic top plan view in Fig. 4；
Fig. 8 is the structural schematic diagram of pedestal in the present invention.
Meaning marked in the figure: the driven minor sprocket of 1- first, the driven minor sprocket of 2- second, the first hydraulic motor of 3-, 4- master
Dynamic minor sprocket, 5- pressure spring, the driven big sprocket wheel of 6-, the longitudinally fed chain of 7-, 8- device mounting rack, 9- tractor, the hydraulic horse of 10- second
It reaches, 11- transmission shaft, 12- wirerope, the right suspension arm of 13-, the left suspension arm of 14-, 15- ceding of Taiwan bracket, 16- driven sprocket, 17- master
Movable sprocket, 18- transversal chain conveyor, 19- shield, 20- baffle, 21- gusset, 22- dial stalk star-wheel, 23- semicircular arc-shaped ledger-plate,
24- movable arbor, 25- hexagonal formula turn round cutting blade, 26- pedestal.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing, and the present embodiment is not constituted to the present invention
Limitation.
A kind of support chain-type crudefiber crop harvester as shown in figures 1-8, including tractor 9, the ceding of Taiwan and hanger bracket, institute
It states the ceding of Taiwan and is suspended on 9 front of tractor by the way that hanger bracket is fixed, the ceding of Taiwan includes array cutter device and cross conveyor,
The cutter device is fixedly connected with transversal exiting device bottom, and the cutter device is set to transversal exiting device front, institute
State cutter device and the orthogonal setting of transversal exiting device.
The hanger bracket includes right suspension arm 13, and left suspension arm 14 and ceding of Taiwan bracket 15, the transversal exiting device pass through
Ceding of Taiwan bracket 15 is fixedly connected on the front suspension connector of tractor 9, and the left suspension arm 14 and right suspension arm 13 and transverse direction are defeated
Device, 9 fuselage of tractor is sent to connect by hinge support, transversal exiting device and tractor 9 also connect by the way that wirerope 12 is fixed
It connects, the wirerope 12 passes through cross conveyor and the preset cord hole in 9 rear portion of tractor and clamps connection using rope clamp.
The cutter device is hydraulic including the first driven minor sprocket 1, the second driven minor sprocket 2, active minor sprocket 4, first
Motor 3, driven big sprocket wheel 6, longitudinally fed chain 7, shield 19, dial stalk star-wheel 22, semicircular arc-shaped ledger-plate 23, movable arbor 24,
Hexagonal formula turns round cutting blade 25 and pedestal 26, the first driven minor sprocket 1, the second driven minor sprocket 2, driven big sprocket wheel 6 with
The shield 19 is fixedly connected by bearing with short axle, and the shield 19 is bolted to connection with pedestal 26, described
It is obliquely installed along angle with horizontal plane in 6 ° on pedestal 26, is also added by the welding of gusset 21 between the shield 19 and pedestal 26
Strong fixed, the shield 19, which is preset to be tightened in mounting hole by bolt at cross conveyor, pressure spring 5.
24 upper end of movable arbor is preset axis hole across shield 19 and is fixedly connected with the first hydraulic motor 3, the moving knife
Active minor sprocket 4, the first driven minor sprocket 1, the second driven minor sprocket 2, active are fixedly connected with by bearing on axis 24
Minor sprocket 4 is engaged with longitudinally fed chain 7 with driven big sprocket wheel 6 and is connect, and described group of stalk star-wheel 22 is by welding equidistant be fixed on
On movable arbor 24, the movable arbor 24 is bolted to screw and be installed in the boss axis on 23 top of semicircular arc ledger-plate,
The trailing flank of the semicircular arc-shaped ledger-plate 23 is tightened at the corresponding mounting hole of pedestal 26 by bolt, the hexagonal formula
Revolution cutting blade 25 be connected and fixed by the end of bearing and movable arbor 24, cutting speed faster, success rate with it is more efficient, cut
Conveying is driven by dialling stalk star-wheel 22 after the completion of cutting, cutting caused by reducing due to the stalk after cutting off is fallen and conveying blocking
The case where generation.
The cross conveyor includes the second hydraulic motor 10, transmission shaft 11, device mounting rack 8, drive sprocket 17, cross
To carrier chain 18 and driven sprocket 16, the both ends of the transmission shaft 11 are fixedly installed in device mounting rack 8 by bearing, described
11 upper end of transmission shaft is fixedly connected with the second hydraulic motor 10, and the drive sprocket 17 is fixedly connected on transmission shaft by bearing
11, the engagement of transversal chain conveyor 18 is installed on drive sprocket 17 and driven sprocket 16, and described device mounting rack 8 is fixedly mounted
In on pedestal 26.
It is also tightened by bolt on 26 side of pedestal and is connected with a baffle 20, the baffle 20 is for stopping most
The stalk of side cutting simultaneously assists conveying.
Working principle: when harvest, it is longitudinally fed that the first hydraulic motor 3 of each cutter device first drives minor sprocket to drive again
Chain 7, under the cooperation of the outer of baffle 20 or the shield 19 of adjacent cutter device, longitudinally fed chain 7 helps stalk and will
Stalk is longitudinally fed at movable arbor 24, turns round cutting blade 25 by dialling 22 complementary semi-circular camber ledger-plate 23 of stalk star-wheel and hexagonal formula
Stalk is effectively cut, the stalk after cutting along pedestal pre-set stalk crop channel, by longitudinally fed chain 7 after
Continuous to help and be transported at transversal chain conveyor 18, the second hydraulic motor 10 drives transmission shaft 11 to drive drive sprocket 17, main
Movable sprocket 17 drives transversal chain conveyor 18, and under the auxiliary conveying of pressure spring 5, the stalk after cutting is delivered to and helps by transversal chain conveyor 18
The crop exit on the right side of chain-type crudefiber crop harvester is held, so as to complete the harvest of crudefiber crop.
After technical solution of the present invention, under the action of helping chain, the root of numb strain stalk can be reliably cut,
Stalk after cutting under the cooperation of pressure spring can standing position be transported to the side of harvester, have novel in design, compact-sized, general
Property strong, stable working, high-efficient advantage.
The above described is only a preferred embodiment of the present invention, being not used in the limitation present invention, those skilled in the art can
It is this to modify or equally replace within the spirit and scope of the present invention, to make various modifications or equivalent replacements to the present invention
Changing, which also should be regarded as, falls in the protection scope of technical solution of the present invention.
Claims (8)
1. a kind of support chain-type crudefiber crop harvester, including tractor, which is characterized in that it further include the ceding of Taiwan and hanger bracket,
The ceding of Taiwan is suspended on tractor front by the way that hanger bracket is fixed, and the ceding of Taiwan includes array cutter device and lateral transfer dress
It sets；
The cutter device include the first driven minor sprocket, the second driven minor sprocket, active minor sprocket, the first hydraulic motor, from
Dynamic big sprocket wheel, longitudinally fed chain, shield, dial stalk star-wheel, semicircular arc-shaped ledger-plate, movable arbor, hexagonal formula revolution cutting blade and
Pedestal, the first driven minor sprocket, the second driven minor sprocket, driven big sprocket wheel and the shield are solid by bearing and short axle
Fixed connection, the movable arbor upper end pass through the default axis hole of shield and are fixedly connected with the first hydraulic motor, lead on the movable arbor
Cross bearing and be fixedly connected with active minor sprocket, the first driven minor sprocket, the second driven minor sprocket, active minor sprocket with it is driven
Big sprocket wheel engages connection with longitudinally fed chain, and described group of stalk star-wheel is fixed on movable arbor by the way that welding is equidistant, the moving knife
Axis is bolted to screw and be installed in the boss axis on semicircular arc ledger-plate top, and the hexagonal formula revolution cutting blade passes through
Bearing is connected and fixed with moving knife the tip of the axis；
The cross conveyor include the second hydraulic motor, transmission shaft, device mounting rack, drive sprocket, transversal chain conveyor and
The both ends of driven sprocket, the transmission shaft are fixedly installed in device mounting rack by bearing, and the transmission shaft upper end is fixed to be connected
It is connected to the second hydraulic motor, the drive sprocket is fixedly connected on transmission shaft, the transversal chain conveyor engagement installation by bearing
In on drive sprocket and driven sprocket, described device mounting rack is fixedly installed on pedestal.
2. a kind of support chain-type crudefiber crop harvester according to claim 1, which is characterized in that edge on the pedestal
Angle with horizontal plane is in 6 ° of inclination arrangements.
3. a kind of support chain-type crudefiber crop harvester according to claim 1, which is characterized in that the shield is logical
Gusset welding is crossed to reinforce being fixed on the base.
4. a kind of support chain-type crudefiber crop harvester according to claim 1, which is characterized in that the hanger bracket packet
Right suspension arm, left suspension arm and ceding of Taiwan bracket are included, the transversal exiting device is fixedly connected on tractor by ceding of Taiwan bracket
Front suspension connector, the left suspension arm are connect with right suspension arm with cross conveyor, tractor body by hinge support.
5. a kind of support chain-type crudefiber crop harvester according to claim 1, which is characterized in that the laterally output
Device is also fixedly connected by wirerope with tractor, the steel wire penetrating cross conveyor and the preset rope in tractor rear portion
Hole clamps connection using rope clamp.
6. a kind of support chain-type crudefiber crop harvester according to claim 1, which is characterized in that the semicircle
The trailing flank of camber ledger-plate is tightened at the corresponding mounting hole of pedestal by bolt.
7. a kind of support chain-type crudefiber crop harvester according to claim 1, which is characterized in that the shield leans on
It presets to be tightened in mounting hole by bolt at nearly transversal chain conveyor and has pressure spring.
8. a kind of support chain-type crudefiber crop harvester according to claim 1, which is characterized in that the pedestal side
On be also tightened by bolt and be connected with a baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422371.1A CN110122058B (en) | 2019-05-21 | 2019-05-21 | Support chain type hemp crop harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910422371.1A CN110122058B (en) | 2019-05-21 | 2019-05-21 | Support chain type hemp crop harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110122058A true CN110122058A (en) | 2019-08-16 |
| CN110122058B CN110122058B (en) | 2024-04-12 |
Family
ID=67571888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910422371.1A Active CN110122058B (en) | 2019-05-21 | 2019-05-21 | Support chain type hemp crop harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110122058B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201900008241A1 (en) * | 2019-06-06 | 2020-12-06 | Gruppo Agricooper Soc Cooperativa Agricola | Hemp harvesting machine. |
| CN112930858A (en) * | 2021-02-04 | 2021-06-11 | 黑龙江省农业科学院大庆分院 | Industrial hemp reaps piece-rate system |
| 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 |
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