CN113079833B - Combined threshing device for cutting table of sunflower combine harvester - Google Patents
Combined threshing device for cutting table of sunflower combine harvester Download PDFInfo
- Publication number
- CN113079833B CN113079833B CN202110294225.2A CN202110294225A CN113079833B CN 113079833 B CN113079833 B CN 113079833B CN 202110294225 A CN202110294225 A CN 202110294225A CN 113079833 B CN113079833 B CN 113079833B
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- Prior art keywords
- spiral
- threshing
- roller
- sunflower
- conveying
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- 241000208818 Helianthus Species 0.000 title claims abstract description 61
- 235000003222 Helianthus annuus Nutrition 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 242
- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- 235000020238 sunflower seed Nutrition 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims 3
- 238000007790 scraping Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
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- 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
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention relates to a combined threshing device for a cutting table of a sunflower combine harvester, wherein a seedling dividing mechanism in the device is used for dividing seedlings of sunflowers, a cutting mechanism is used for cutting off a sunflower disc, a roller type feeding mechanism is used for shifting the sunflower disc into a spiral finger-picking type conveying mechanism, the spiral finger-picking type conveying mechanism is used for conveying the sunflower disc into a spiral roller type threshing mechanism, the spiral roller type threshing mechanism is used for threshing the sunflower disc, sunflower seeds fall into a spiral seed conveying mechanism, the sunflower disc is conveyed to the side surface through a threshing spiral rod, and a power transmission mechanism is used for simultaneously driving the seedling dividing mechanism, the cutting mechanism, the roller type feeding mechanism, the spiral finger-picking type conveying mechanism, the spiral roller type threshing mechanism and the spiral seed conveying mechanism by utilizing one power source. The device can complete the division, cutting and threshing of the sunflower seeds at one time, and has high efficiency.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a combined threshing device for a cutting table of a sunflower combine harvester.
Background
The sunflower is ripe the back and usually need reap and thresh two processes, and present sunflower is reaped and generally adopts sunflower harvesting header to reap the sunflower dish earlier, then carries to combine rear threshing mechanism through middle chain harrow formula conveying mechanism and threshes, nevertheless at the in-process that the sunflower dish was carried, mechanical mechanism causes the epidermis fish tail to the sunflower seed, and then reduces its economic value, and is efficient and machine is with high costs.
Disclosure of Invention
The invention aims to solve the technical problem of providing a combined type cutting table threshing device of a sunflower combine harvester.
In order to solve the technical problems, the invention adopts the following technical scheme:
a combined threshing device of a cutting table of a sunflower combine harvester comprises a seedling dividing mechanism, a cutting mechanism, a power transmission mechanism, a roller type feeding mechanism, a spiral finger-pulling type conveying mechanism, a spiral roller type threshing mechanism and a spiral seed conveying mechanism, wherein the seedling dividing mechanism is used for dividing seedlings of sunflowers, the cutting mechanism is used for cutting off a sunflower disc, the roller type feeding mechanism is used for shifting the sunflower disc into the spiral finger-pulling type conveying mechanism, the spiral finger-pulling type conveying mechanism is used for conveying the sunflower disc into the spiral roller type threshing mechanism, the spiral roller type threshing mechanism is used for threshing the sunflower disc, the sunflowers fall into the spiral seed conveying mechanism, the spiral seed conveying mechanism is used for conveying the sunflower seeds to a next-stage processing mechanism, and the power transmission mechanism is used for simultaneously driving the seedling dividing mechanism by utilizing one power source, Cutting mechanism, roller formula feeding mechanism, spiral take off indicate formula conveying mechanism, spiral roller formula threshing mechanism and spiral seed grain conveying mechanism.
As an implementation mode, a stem pulling mechanism is arranged below the cutting mechanism and comprises a stem pulling roller which is horizontally arranged, a plurality of convex teeth are distributed on the outer side of the stem pulling roller, and the stem pulling mechanism is used for driving the stem pulling roller to rotate so as to pull a sunflower disc downwards, so that the lower end of the sunflower disc is close to the cutting mechanism.
As an implementation mode, the sunflower plate feeding mechanism comprises a roller type feeding roller, a plurality of rows of shifting fingers are axially distributed on the feeding roller, each row of shifting fingers comprises a plurality of shifting fingers positioned on the same plane, and the shifting fingers are T-shaped.
As an implementation mode, the spiral roller type threshing mechanism comprises a spiral threshing roller and a semicircular screen, wherein the spiral threshing roller and the semicircular screen are horizontally arranged, and the semicircular screen is fixedly arranged right below the spiral threshing roller. The spiral threshing roller comprises a threshing roller body and four spiral rods which are uniformly distributed along the axial direction of the outer surface of the threshing roller body.
As an implementation manner, the power transmission mechanism includes a power shaft, a first primary sprocket transmission mechanism, a first secondary sprocket transmission mechanism, a belt transmission mechanism and a swing ring mechanism, the power shaft is coaxially fixed with a driving shaft of the first primary sprocket transmission mechanism and a driving shaft of the belt transmission mechanism, a driven wheel of the first primary sprocket transmission mechanism and a driving wheel of the first secondary sprocket transmission mechanism are coaxially fixed, a driven wheel of the first secondary sprocket transmission mechanism and a driving shaft of the spiral seed conveying mechanism are coaxially fixed, the driven wheel of the belt transmission mechanism is connected with the swing ring mechanism, and the belt transmission mechanism is used for driving a cutting knife of the cutting mechanism to reciprocate on a horizontal plane through the swing ring mechanism.
As an implementation mode, the spiral seed conveying mechanism comprises two conveying augers arranged in parallel, an outlet is arranged between the two conveying augers, and the conveying augers are used for conveying the sunflower seeds to the outlet.
As an implementation mode, the power transmission mechanism further comprises a second primary chain wheel transmission mechanism, a second secondary chain wheel transmission mechanism and a third primary chain wheel transmission mechanism, the driving wheel of the second primary chain wheel transmission mechanism and the driving wheel of the third primary chain wheel transmission mechanism are coaxially fixed with the power shaft, the driven wheel of the third primary chain wheel transmission mechanism is coaxially fixed with the feeding roller, the driven wheel of the second primary chain wheel transmission mechanism and the driving wheel of the second secondary chain wheel transmission mechanism are coaxially fixed with the rotating shaft of the spiral finger-pulling type conveying mechanism, and the driven wheel of the second secondary chain wheel transmission mechanism is coaxially fixed with the stem-pulling roller.
As an implementation mode, the spiral rake finger type conveying mechanism comprises an auger shaft, a spiral roller, a spiral blade and a telescopic rake finger, wherein the auger shaft is arranged in the spiral roller, and the spiral blade and the telescopic rake finger are arranged on the outer surface of the spiral roller.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
1. the combined threshing device for the cutting table of the sunflower combine harvester can complete the crop dividing, cutting and threshing of the sunflower at one time, and has high efficiency; 2. the rack type stalk-pulling roller is adopted, so that the sunflower can be pulled downwards during cutting, the cutting part is close to the uppermost part of the stalk, and the sunflower disc obtained by cutting is free of the stalk; 3. a spiral roller type threshing mechanism is adopted, so that damage to sunflower seeds is less; 4. the cutting mechanism, the spiral finger-grabbing type conveying mechanism, the spiral roller type threshing mechanism, the stem pulling mechanism and the spiral seed conveying mechanism are driven by the same power source at the same time; the rotating speed of each mechanism is controlled by adjusting the transmission ratio of the chain wheel, so that the energy is saved and the use is convenient.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic side perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of a spiral finger type conveying mechanism;
fig. 5 is a schematic structural view of a helical roller threshing mechanism.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a seedling dividing mechanism; 2. a cutting mechanism; 3. a power transmission mechanism; 4. a roller type feeding mechanism; 5. a spiral finger type conveying mechanism; 6. a spiral roller type threshing mechanism; 7. a spiral seed conveying mechanism; 8. a stalk-pulling roller; 41. dialing a finger; 31. a power shaft; 32. a first primary sprocket drive; 33. the first secondary chain wheel transmission mechanism; 34. a belt drive mechanism; 35. a swing ring mechanism; 36. a second primary sprocket drive mechanism; 37. a second secondary sprocket drive; 38. a third primary chain wheel transmission mechanism; 51. a screw shaft; 52. a helical drum; 53. a helical blade; 54. a telescopic rake finger; 61. a spiral threshing roller; 62. and semicircular screen mesh
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-3, the combined threshing device for a cutting table of a sunflower combine harvester comprises a seedling separating mechanism 1, a cutting mechanism 2, a power transmission mechanism 3, a roller type feeding mechanism 4, a spiral finger-picking conveying mechanism 5, a spiral roller type threshing mechanism 6 and a spiral seed conveying mechanism 7, wherein the seedling separating mechanism 1 is used for separating seedlings of sunflowers, the cutting mechanism 2 is used for cutting off a sunflower disk, the roller type feeding mechanism 4 is used for shifting the sunflower disk into the spiral finger-picking conveying mechanism 5, the spiral finger-picking conveying mechanism 5 is used for conveying the sunflower disk into the spiral roller type threshing mechanism 6, the spiral roller type threshing mechanism 6 is used for threshing the sunflower disk, sunflower seeds fall into the spiral seed conveying mechanism 7, the spiral seed conveying mechanism 7 is used for conveying the sunflower seeds to a next-stage processing mechanism, the power transmission mechanism 3 is used for simultaneously driving the seedling dividing mechanism 1, the cutting mechanism 2, the roller type feeding mechanism 4, the spiral finger-pushing type conveying mechanism 5, the spiral roller type threshing mechanism 6 and the spiral seed conveying mechanism 7 by utilizing one power source.
As an implementation mode, a stem pulling mechanism is arranged below the cutting mechanism 2, the stem pulling mechanism comprises a stem pulling roller 8 which is horizontally arranged, a plurality of convex teeth are distributed on the outer side of the stem pulling roller 8, and the stem pulling mechanism is used for driving the stem pulling roller 8 to rotate so as to pull the sunflower disk downwards, so that the lower end of the sunflower disk is close to the cutting mechanism 2.
As an implementation mode, the roller type feeding mechanism 4 comprises a feeding roller, wherein a plurality of rows of shifting fingers 41 are axially distributed on the feeding roller, each row of shifting fingers 41 comprises a plurality of shifting fingers 41 positioned on the same plane, and the shifting fingers 41 are T-shaped.
As an embodiment, as shown in fig. 5, the helical roller type threshing mechanism 6 includes a helical threshing roller 61 and a semicircular screen 62 which are horizontally arranged, and the semicircular screen 62 is fixedly arranged right below the helical threshing roller 61. The spiral threshing roller 61 comprises a threshing roller and four spiral rods which are uniformly distributed along the axial direction of the outer surface of the threshing roller. When the threshing roller rotates, the screw rod is driven to rotate, and the sunflower discs are simultaneously threshed and conveyed.
As an implementation manner, the power transmission mechanism 3 includes a power shaft 31, a first primary sprocket transmission mechanism 32, a first secondary sprocket transmission mechanism 33, a belt transmission mechanism 34, and a swinging ring mechanism 35, the power shaft 31 is coaxially fixed to a driving shaft of the first primary sprocket transmission mechanism 32 and a driving shaft of the belt transmission mechanism 34, a driven wheel of the first primary sprocket transmission mechanism 32 and a driving wheel of the first secondary sprocket transmission mechanism 33 are coaxially fixed, a driven wheel of the first secondary sprocket transmission mechanism 33 and a driving shaft of the spiral type grain conveying mechanism 7 are coaxially fixed, the driven wheel of the belt transmission mechanism 34 is connected to the swinging ring mechanism 35, and the belt transmission mechanism 34 is used for driving a cutting knife of the cutting mechanism 2 to reciprocate on a horizontal plane through the swinging ring mechanism 35.
As an embodiment, the spiral seed conveying mechanism 7 includes two conveying augers arranged in parallel, an outlet is arranged between the two conveying augers, and the conveying augers are used for conveying the sunflower seeds to the outlet.
As an implementation mode, the power transmission mechanism 3 further includes a second primary sprocket transmission mechanism 36, a second secondary sprocket transmission mechanism 37 and a third primary sprocket transmission mechanism 38, a driving wheel of the second primary sprocket transmission mechanism 36 and a driving wheel of the third primary sprocket transmission mechanism 38 are coaxially fixed with the power shaft 31, a driven wheel of the third primary sprocket transmission mechanism 38 is coaxially fixed with the feeding roller, a driven wheel of the second primary sprocket transmission mechanism 36 and a driving wheel of the second secondary sprocket transmission mechanism 37 are coaxially fixed with a rotating shaft of the spiral-finger-type conveying mechanism 5, and a driven wheel of the second secondary sprocket transmission mechanism 37 and the stem-pulling roller 8 are coaxially fixed.
As an embodiment, as shown in fig. 4, the spiral rake finger type conveying mechanism 5 includes an auger shaft 51, a spiral drum 52, a spiral blade 53 and a telescopic rake finger 54, wherein the auger shaft 51 is disposed inside the spiral drum 52, and the spiral blade 53 and the telescopic rake finger 54 are disposed on the outer surface of the spiral drum.
When in use, the device of the invention is arranged on the walking device, the walking device drives the device to move forwards in a sunflower field, the seedling dividing mechanism divides the seedlings of the sunflowers, the stalk pulling roller rotates to pull the stems of the sunflowers downwards after the sunflowers move to the cutting mechanism and the stalk pulling mechanism, meanwhile, the cutting mechanism carries out reciprocating cutting on sunflower stalks, cut sunflower discs are pushed into a spiral scraping finger type conveying mechanism at the rear part by a roller type feeding mechanism, the spiral scraping finger type conveying mechanism conveys the sunflower discs into a spiral roller type threshing mechanism, a spiral threshing roller rotates to drive the sunflower discs to rub between a screen mesh and the spiral threshing roller, threshing the sunflower head, dropping the sunflower seeds into the lower spiral seed conveying mechanism, the spiral seed conveying mechanism is used for conveying the sunflower seeds to the next-stage treatment mechanism.
The invention has only one power source, namely a power shaft of a power transmission mechanism 3, and the power shaft simultaneously drives a seedling dividing mechanism 1, a cutting mechanism 2, a roller type feeding mechanism 4, a spiral finger-picking type conveying mechanism 5, a spiral roller type threshing mechanism 6 and a spiral seed conveying mechanism 7 by utilizing a belt mechanism, a swing ring mechanism and a plurality of chain wheel transmission mechanisms.
The foregoing is illustrative of the best mode of the invention and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (6)
1. A combined type threshing device of a cutting table of a sunflower combine harvester is characterized by comprising a straw separating mechanism (1), a cutting mechanism (2), a power transmission mechanism (3), a roller type feeding mechanism (4), a spiral picking finger type conveying mechanism (5), a spiral roller type threshing mechanism (6) and a spiral seed conveying mechanism (7), wherein the straw separating mechanism (1) is used for separating straws of sunflowers, the cutting mechanism (2) is used for cutting a sunflower disc, the roller type feeding mechanism (4) is used for sending the sunflower disc cut by the cutting mechanism into the spiral picking finger type conveying mechanism (5), the spiral picking finger type conveying mechanism (5) is used for conveying the sunflower disc into the spiral roller type threshing mechanism (6), the spiral roller type threshing mechanism (6) is used for threshing the sunflower disc, and sunflower seeds fall into the spiral seed conveying mechanism (7) in a threshing process, the sunflower seed disk flows out from the side face of the threshing mechanism, the spiral seed conveying mechanism (7) is used for conveying sunflower seed kernels to the next-stage treatment mechanism, the power transmission mechanism (3) is used for simultaneously driving the seedling dividing mechanism (1), the cutting mechanism (2), the roller type feeding mechanism (4), the spiral finger-pulling type conveying mechanism (5), the spiral roller type threshing mechanism (6) and the spiral seed conveying mechanism (7) by utilizing one power source, the power transmission mechanism (3) comprises a power shaft (31), a first primary chain wheel transmission mechanism (32), a first secondary chain wheel transmission mechanism (33), a belt transmission mechanism (34) and a swing ring mechanism (35), the power shaft (31) is coaxially fixed with a driving shaft of the first primary chain wheel transmission mechanism (32) and a driving shaft of the belt transmission mechanism (34), a driven wheel of the first primary chain wheel transmission mechanism (32) is coaxially fixed with a driving wheel of the first secondary chain wheel transmission mechanism (33), a driven wheel of the first secondary chain wheel transmission mechanism (33) is coaxially fixed with a driving shaft of the spiral seed conveying mechanism (7), the driven wheel of the belt transmission mechanism (34) is connected with the swinging ring mechanism (35), and the belt transmission mechanism (34) is used for driving a cutting knife of the cutting mechanism (2) to reciprocate on a horizontal plane through the swinging ring mechanism (35); power transmission mechanism (3) still include second one-level sprocket drive mechanism (36), second secondary sprocket drive mechanism (37) and third one-level sprocket drive mechanism (38), the action wheel of second one-level sprocket drive mechanism (36) and the action wheel of third one-level sprocket drive mechanism (38) all with power shaft (31) coaxial fixed, the follow driving wheel and the roller formula feeding mechanism coaxial fixed of third one-level sprocket drive mechanism (38), the follow driving wheel of second one-level sprocket drive mechanism (36) takes off with the action wheel of second secondary sprocket drive mechanism (37) and the coaxial fixed of pivot of finger formula conveying mechanism (5) is taken off to the spiral, follow driving wheel and stem drawing roller (8) coaxial fixed of second secondary sprocket drive mechanism (37).
2. The combined type sunflower combine harvester header threshing device according to claim 1, characterized in that a stem pulling mechanism is arranged below the cutting mechanism (2), the stem pulling mechanism comprises a horizontally arranged stem pulling roller (8), a plurality of convex teeth are distributed on the outer side of the stem pulling roller (8), and the stem pulling mechanism is used for pulling a sunflower disc downwards by driving the stem pulling roller (8) to rotate, so that the lower end of the sunflower disc is close to the cutting mechanism (2).
3. The combined sunflower combine harvester header threshing apparatus of claim 1, wherein the roller type feeding mechanism (4) comprises a feeding roller, wherein a plurality of rows of fingers (41) are axially distributed on the feeding roller, each row of fingers (41) comprises a plurality of fingers (41) located on the same plane, and the fingers (41) are T-shaped.
4. The combined sunflower combine harvester header threshing apparatus according to claim 1, wherein the helical roller threshing mechanism (6) comprises a horizontally arranged helical threshing roller (61) and a semicircular screen (62), the semicircular screen (62) is fixedly arranged under the helical threshing roller (61), and the helical threshing roller (61) comprises a threshing roller and four helical bars evenly distributed along the axial direction of the outer surface of the threshing roller.
5. The combined threshing device of the cutting table of a sunflower combine harvester according to claim 1, wherein the screw-type seed conveying mechanism (7) comprises two conveying augers arranged in parallel, an outlet is arranged between the two conveying augers, and the conveying augers are used for conveying sunflower seeds to the outlet.
6. The combined sunflower combine harvester header threshing apparatus of claim 1, wherein the helical rake finger type conveying mechanism (5) comprises an auger shaft (51), a helical drum (52), a helical blade (53) and a telescopic rake finger (54), the auger shaft (51) is arranged in the helical drum (52), and the helical blade (53) and the telescopic rake finger (54) are arranged on the outer surface of the helical drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110294225.2A CN113079833B (en) | 2021-03-19 | 2021-03-19 | Combined threshing device for cutting table of sunflower combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110294225.2A CN113079833B (en) | 2021-03-19 | 2021-03-19 | Combined threshing device for cutting table of sunflower combine harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113079833A CN113079833A (en) | 2021-07-09 |
| CN113079833B true CN113079833B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110294225.2A Expired - Fee Related CN113079833B (en) | 2021-03-19 | 2021-03-19 | Combined threshing device for cutting table of sunflower combine harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113079833B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2394421Y (en) * | 1999-08-20 | 2000-09-06 | 何林延 | Sunflower thresher |
| CN2587156Y (en) * | 2002-12-15 | 2003-11-26 | 李玉柱 | Thresher for sunflower |
| CN203467250U (en) * | 2013-09-06 | 2014-03-12 | 韩喜元 | Edible sunflower threshing machine |
| CN205213416U (en) * | 2015-12-01 | 2016-05-11 | 玉门市众诚新型农机制造有限公司 | Sunflower harvester |
| CN205454620U (en) * | 2016-03-21 | 2016-08-17 | 王志强 | Sunflower machinery harvester |
| CN205946593U (en) * | 2016-08-29 | 2017-02-15 | 德州春明农业机械有限公司 | Self -propelled sunflower harvester |
| CN106233920A (en) * | 2016-08-31 | 2016-12-21 | 逯栓柱 | Self-propelled sun flower combine-harvester |
| CN106818034B (en) * | 2017-03-24 | 2023-07-25 | 内蒙古宏昌机械制造有限公司 | Harvester |
| CN106804204B (en) * | 2017-03-24 | 2023-04-25 | 内蒙古宏昌机械制造有限公司 | Header and harvester |
| CN111758378A (en) * | 2020-06-02 | 2020-10-13 | 洛阳中收机械装备有限公司 | Sunflower seed harvester |
-
2021
- 2021-03-19 CN CN202110294225.2A patent/CN113079833B/en not_active Expired - Fee Related
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| CN113079833A (en) | 2021-07-09 |
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Granted publication date: 20220624 |