CN111386835B - Potato vine shearing mechanism on sweet potato harvester - Google Patents
Potato vine shearing mechanism on sweet potato harvester Download PDFInfo
- Publication number
- CN111386835B CN111386835B CN202010345326.3A CN202010345326A CN111386835B CN 111386835 B CN111386835 B CN 111386835B CN 202010345326 A CN202010345326 A CN 202010345326A CN 111386835 B CN111386835 B CN 111386835B
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- shearing
- wheel
- sweet potato
- gear
- mounting shaft
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- 238000010008 shearing Methods 0.000 title claims abstract description 53
- 244000017020 Ipomoea batatas Species 0.000 title claims abstract description 39
- 235000002678 Ipomoea batatas Nutrition 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 title claims abstract description 10
- 235000018694 Solanum laxum Nutrition 0.000 title claims description 5
- 235000000305 Solanum wendlandii Nutrition 0.000 title claims description 5
- 240000004488 Solanum wendlandii Species 0.000 title description 2
- 238000009960 carding Methods 0.000 claims description 26
- 239000000725 suspension Substances 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 5
- 240000008436 Ipomoea aquatica Species 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 11
- 238000003306 harvesting Methods 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 22
- 230000005540 biological transmission Effects 0.000 description 10
- 238000007790 scraping Methods 0.000 description 8
- 244000309464 bull Species 0.000 description 5
- 241000345998 Calamus manan Species 0.000 description 4
- 235000012950 rattan cane Nutrition 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D33/00—Accessories for digging harvesters
- A01D33/06—Haulm-cutting mechanisms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Sowing (AREA)
- Harvesting Machines For Root Crops (AREA)
Abstract
The application provides a sweet potato vine shearing mechanism on a sweet potato harvester, and belongs to the technical field of agricultural machinery. Including first installation axle, comb wheel and shearing wheel, comb the wheel and fix on first installation axle, comb the wheel including circumference evenly distributed and be outside first installation axle the shovel arm, the front end of shovel arm has a plurality of broachs that run through shovel arm tip, the shearing wheel includes a plurality of curved, with shovel arm one-to-one's shearing blade, link to each other through the linking arm that sets up at two straight terminal surfaces of comb between the adjacent shearing blade, shearing blade sliding connection is at the surface of shovel arm, form one between the adjacent shovel arm and dodge the mouth, the front end of shearing blade has a atress blend stop that stretches out to keeping away from first installation axle axis direction, the rear end of shearing blade has the shearing sword, be connected with one between linking arm and the shovel arm and order about the front end of shearing blade and the return spring of the tip alignment of broach. The application has the advantages of orderly harvesting vine leaves and the like.
Description
Technical Field
The application belongs to the technical field of agricultural machinery, and relates to a potato vine shearing mechanism on a sweet potato harvester.
Background
In recent years, along with the continuous pursuit of people for diversified food, the vine leaves of sweet potatoes become delicious vegetables on dining tables of people, if a vine leaf part needs to be reserved, the traditional sweet potato harvester needs to harvest the vine leaves manually, then the root part of the stem is separated from soil in a soil turning mode, thereby being unfavorable for the value utilization of sweet potato planting.
Disclosure of Invention
The application aims to solve the problems existing in the prior art and provides a sweet potato vine cutting mechanism on a sweet potato harvester.
The aim of the application can be achieved by the following technical scheme: the utility model provides a potato vine shearing mechanism on sweet potato harvester, its characterized in that, this shearing mechanism includes first installation axle, carding wheel and shearing wheel, carding wheel is fixed on first installation axle, carding wheel includes circumference evenly distributed shovel arm outside first installation axle, the front end of shovel arm has a plurality of broachs that run through shovel arm tip, shearing wheel includes a plurality of curved, with shovel arm one-to-one shearing blade, link to each other through the linking arm that sets up at carding wheel two straight terminal surfaces between the adjacent shearing blade, shearing blade sliding connection is at the surface of shovel arm, forms an dodge mouth between the adjacent shovel arm, shearing blade's front end has a atress blend stop that stretches out to keeping away from first installation axle axis direction, shearing blade's rear end has the shearing sword, be connected with one between linking arm and the shovel arm and drive the front end of shearing blade and the return spring of the tip alignment of broach.
Drawings
Fig. 1 is a schematic structural view of the sweet potato harvester.
Fig. 2 is a schematic structural view of the soil-turning harvesting unit.
Fig. 3 is an enlarged view of a portion a in fig. 1.
Fig. 4 is a sectional view in the direction B-B in fig. 2.
Fig. 5 is a sectional view in the direction C-C in fig. 2.
FIG. 6 is a schematic view of the state of the comb wheel and the shear wheel prior to shearing.
FIG. 7 is a schematic view of the state of the comb wheel and the shear wheel when sheared.
Fig. 8 is a schematic plan view of the plow.
In the figure, 1, a frame; 11. a driving wheel; 12. a steering wheel; 13. a drive shaft; 21. a first mounting shaft; 22. a suspension arm; 23. carding wheel; 231. a shovel arm; 232. comb teeth; 24. a shearing wheel; 241. a shear blade; 242. a stress barrier strip; 243. a cutting edge; 25. a first gear; 26. a second gear; 27. a return spring; 28. a hydraulic cylinder; 29. a connecting arm; 3. a soil-turning plow; 31. a rotating rod; 32. a second mounting shaft; 33. a thread sleeve; 34. bevel gears I; 35. bevel gears II; 36. a drive gear; 37. a large diameter gear ring; 38. a small diameter gear ring; 41. scraping wheel; 42. a scraping rod; 43. and a baffle.
Detailed Description
The following are specific embodiments of the present application and the technical solutions of the present application will be further described with reference to the accompanying drawings, but the present application is not limited to these embodiments.
As shown in fig. 1, 3, 6 and 7, the harvester comprises a frame 1, a driving wheel 11 and a steering wheel 12, a ground surface harvesting unit is arranged at the front end of the frame 1, a soil turning harvesting unit is arranged between the driving wheel 11 and the driving wheel, the driving wheel 11 is connected with the frame 1 by a driving shaft 13, the ground surface harvesting unit comprises a first mounting shaft 21, a suspension arm 22, a carding wheel 23 and a shearing wheel 24, the carding wheel 23 is fixed on the first mounting shaft 21, one end of the suspension arm 22 is rotationally connected with the first mounting shaft 21, the other end of the suspension arm 22 is connected with the frame 1, a first gear 25 is fixedly arranged on the driving shaft 13, a second gear 26 meshed with the first gear 25 is rotationally connected on the frame 1, the second gear 26 is connected with the first mounting shaft 21 by a belt, the carding wheel 23 comprises a shovel arm 231 which is circumferentially and evenly distributed outside the first mounting shaft 21, a plurality of comb teeth 232 penetrating through the end part of the shovel arm 231 are arranged at the front end of the shovel arm 231, the shearing wheel 24 comprises a plurality of arc-shaped shearing blades 241 which are in one-to-one correspondence with the shovel arm 231, the adjacent shearing blades 241 are connected through connecting arms 29 arranged on two straight end surfaces of the carding wheel 23, the shearing blades 241 are slidably connected to the outer surfaces of the shovel arm 231, an avoidance opening is formed between the adjacent shovel arms 231, a stress barrier strip 242 extending towards the axial direction far away from the first mounting shaft 21 is arranged at the front end of the shearing blades 241, a shearing edge 243 is arranged at the rear end of the shearing blades 241, and a reset spring 27 which drives the front ends of the shearing blades 241 to be aligned with the end parts of the comb teeth 232 is connected between the connecting arms 29 and the shovel arm 231.
The frame 1, the driving wheel 11, the steering wheel 12 and related accessories form a walking unit, the part is the conventional means, which is not repeated here, the walking unit is rear wheel steering, and the technical scheme of the application only utilizes the rotation driving force of the driving wheel 11 to provide power sources of the earth surface harvesting unit and the soil turning harvesting unit.
The working principle is as follows: the driving wheel 11 and the steering wheel 12 are erected at the interval part between the ridges and walk, the carding wheel 23 and the shearing wheel 24 are positioned at the upper part higher than the bottom of the driving wheel 11, the driving wheel 11 rotates, the frame 1 moves, the carding wheel 23 is in a translational and rotational composite motion state, a gap between the front end and the tail end of the shovel arm 231 is provided, on one hand, a space for enabling the comb teeth 232 at the front end of the shovel arm 231 to be contacted with sweet potato vine roots above the ground surface is provided, on the other hand, a hollow groove is formed between the heart shovel arm 231 and is used for allowing part of sweet potato vine roots to be temporarily stored at the position, the carding wheel 23 moves forward and moves horizontally, the sweet potato vine roots are combed between the comb teeth 232, the force-bearing barrier strip 242 receives ground resistance, the whole shearing wheel 24 rotates reversely relative to the carding wheel 23, and the shearing blade 243 at the rear end of the shearing wheel 24 acts on the vine roots clamped in the gap between the comb teeth 232 to cut off the vine roots, and the shearing blade action can be convenient for the vine roots to be pulled before the vine roots are sheared during translation, and the vine roots can be completely prevented from being pulled out of the ground surface after the carding wheel 23 rotates to be lifted up to the ground surface and the root roots 23 can be completely prevented from being rolled and broken; when the resistance between the ground surfaces of the stress barrier strips 242 disappears, namely after the sweet potato vine roots are sheared, under the action of the reset spring 27, the shearing wheel 24 resets, and the gap between the adjacent shovel arms 231 is newly opened, so that the vine roots in the empty slots between the adjacent shovel arms 231 fall out.
The sweet potato vine roots are cut off at the connecting part, so that the method is very beneficial to soil removal and separation of the sweet potato, and the phenomenon that the soil removal of the sweet potato is affected due to messy and mutual stumbling of the sweet potato vine roots is avoided; moreover, when carding the root, the shovel arm 231 is just positioned at the joint position of the vine root and the soil, and when shearing, the shearing is at a position with a distance from the soil, as long as the planting row spacing, the ratio of the walking speed of the harvester to the rotating speed of the carding wheel 23 are controlled, the ratio of the walking speed of the harvester to the rotating speed of the carding wheel 23 can be controlled through the belt pulley on the first mounting shaft 21 and the belt pulley on the second gear 26 connected with the belt pulley.
The suspension arm 22 is rotatably connected with the frame 1, the frame 1 is provided with a hydraulic cylinder 28, the cylinder body of the hydraulic cylinder 28 is hinged on the frame 1, and the push rod of the hydraulic cylinder 28 is hinged in the middle of the suspension arm 22. The height of the carding wheel 23 can be controlled by the extension and retraction of the push rod on the hydraulic cylinder 28, and the clearance between the carding wheel 23 and the ground surface is adjusted.
The number of teeth of the first gear 25 is greater than the number of teeth of the second gear 26, and the rotational speed of the first mounting shaft 21 is lower than the rotational speed of the second gear 26. By arranging the first gear 25 and the second gear 26, the rotating speed of the carding wheel 23 is lower than that of the driving wheel 11, and the carding process of the carding wheel 23 is longer, so that the problem of disorder of sweet potato vine roots is solved.
As shown in fig. 1, fig. 2, fig. 5 and fig. 8, the soil-turning harvesting unit comprises a soil-turning plow 3 and a soil-removing feeding mechanism, the tail end of the soil-turning plow 3 is contracted to form a circular feeding opening, the soil-removing feeding mechanism comprises a plurality of rotary rods 31 and a second mounting shaft 32, the second mounting shaft 32 is rotatably connected to the frame, two ends of the second mounting shaft 32 are rotatably connected to the frame 1, the space between each rotary rod 31 and the second mounting shaft 32 is equal, each rotary rod 31 forms a feeding groove with radian smaller than 180 degrees below the second mounting shaft 32, a rubber thread sleeve 33 is sleeved on each rotary rod 31, a gap allowing scattered soil to pass through exists between adjacent thread sleeves 33, a bevel gear I34 is arranged on the second mounting shaft 32, a bevel gear II 35 meshed with the bevel gear I is arranged on the driving shaft 13, a blanking section with diameter smaller than the diameter of the thread sleeve 33 is arranged on the rotary rod 31 near the tail end of the rotary rod 31, and a transmission assembly for driving each rotary rod 31 is arranged between the tail end of the rotary rod 31 and the second mounting shaft 32.
The existing soil turning and harvesting mode is generally a mode of vibration and continuous transmission, the dispersion capacity of soil blocks is poor, the overall size of the harvester is increased, and the sweet potatoes are easily damaged. In this scheme, will bury the soil block of sweet potato and lead to the trough in walking through the plough 3, walk the trough and constitute by a plurality of bull sticks 31, bull stick 31 is rotatory, extrudees and promote the soil block, and the screw thread cover 33 that the cover was established on the bull stick 31 can increase the resistance to the soil block, and can peel off the fritter soil that adheres to the sweet potato surface, forms the gap that spills the soil block between the adjacent bull stick 31, and the rotation of bull stick 31 can also avoid the jam in this gap.
The transmission assembly comprises a driving gear 36 fixed on the second installation shaft 32, each rotating rod 31 is divided into a plurality of transmission rods and a plurality of driven rods, a large-diameter gear ring 37 is fixedly arranged on each transmission rod, a small-diameter gear ring 38 is fixedly arranged on each driven rod, the number of teeth of the large-diameter gear ring 37 is greater than that of teeth of the small-diameter gear ring 38, two driven rods are respectively distributed on two sides of each transmission rod, the large-diameter gear ring 37 on each transmission rod is meshed with the small-diameter gear rings 38 on the driven rods on two sides of each transmission rod at the same time, gaps are reserved between the adjacent small-diameter gear rings 38, and the driving gear 36 is meshed with each large-diameter gear ring 37 at the same time. If each rotating rod 31 turns to the same, the extrusion force to the soil block is smaller, the soil block can be stripped and discharged better only by the longer length of the feeding groove, in order to improve the efficiency, each rotating rod 31 is grouped, only the transmission rod is driven, and the two sides of the transmission rod are respectively provided with a passive rotating rod, so that the rotation directions of any adjacent rotating rods 31 are opposite, the action effect on the soil is improved, the soil removing efficiency is improved, and meanwhile, the soil and the sweet potatoes are prevented from moving towards the opening direction of the feeding groove.
The screw direction of the screw thread convex ribs on each screw thread sleeve 33 is the same, each rotating rod 31 is parallel to each other, the rotating rod 31 is parallel to the second installation shaft 32, and an inclination angle of 3-5 degrees is formed between the second installation shaft 32 and the horizontal plane. The trough arranged at the inclined angle can prevent the sweet potatoes from staying for a long time, and although the follow-up soil blocks can push the sweet potatoes to move, the sweet potatoes are still blocked by probability, and the sweet potatoes acted by the threaded sleeve 33 are easily damaged for a long time.
A scraping wheel 41 is fixedly arranged on the second mounting shaft 32, and a plurality of scraping rods 42 are uniformly arranged on the scraping wheel 41 in the circumferential direction; the two sides of the scraping wheel 41 are respectively provided with a baffle 43 fixed on the frame 1. Scrape pole 42, cooperation are located the baffle 43 of scraping wheel 41 both sides, can be with the rattan root and the sweet potato separation of being connected with sweet potato, and sweet potato and connection are scraped by the rattan root of sweet potato by scraping pole 42, receive baffle 43's spacing effect, and sweet potato and rattan root separation, sweet potato falls down, and rattan root is rolled up outside the trough.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the application. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the application or exceeding the scope of the application as defined in the accompanying claims.
Claims (1)
1. The potato vine shearing mechanism on the sweet potato harvester is characterized by comprising a first mounting shaft (21), a carding wheel (23) and a shearing wheel (24), wherein the carding wheel (23) is fixed on the first mounting shaft (21), the carding wheel (23) comprises shovel arms (231) which are circumferentially and uniformly distributed outside the first mounting shaft (21), the front ends of the shovel arms (231) are provided with a plurality of comb teeth (232) penetrating through the end parts of the shovel arms (231), the shearing wheel (24) comprises a plurality of arc-shaped shearing blades (241) which are in one-to-one correspondence with the shovel arms (231), adjacent shearing blades (241) are connected through connecting arms (29) arranged on two flat end surfaces of the carding wheel (23), the shearing blades (241) are connected to the outer surfaces of the shovel arms (231) in a sliding mode, an avoidance opening is formed between the adjacent shovel arms (231), the front ends of the shearing blades (241) are provided with stress barrier strips (242) which extend out in the axial direction far away from the first mounting shaft (21), and the rear ends of the shearing blades (241) are provided with a pair of shearing blades (27) which are connected with the front ends of the shearing blades (243);
the sweet potato harvester further comprises a suspension arm (22), one end of the suspension arm (22) is rotatably connected with the first mounting shaft (21), the other end of the suspension arm (22) is connected with a frame (1) of the sweet potato harvester, a hydraulic cylinder (28) is arranged on the frame (1), a cylinder body of the hydraulic cylinder (28) is hinged on the frame (1), and a push rod of the hydraulic cylinder (28) is hinged in the middle of the suspension arm (22);
a first gear (25) is fixedly arranged on a driving shaft (13) of the sweet potato harvester, a second gear (26) meshed with the first gear (25) is rotatably connected to the frame (1), the second gear (26) is connected with a first mounting shaft (21) through a belt, the number of teeth of the first gear (25) is greater than that of the second gear (26), and the rotating speed of the first mounting shaft (21) is lower than that of the second gear (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010345326.3A CN111386835B (en) | 2020-04-27 | 2020-04-27 | Potato vine shearing mechanism on sweet potato harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010345326.3A CN111386835B (en) | 2020-04-27 | 2020-04-27 | Potato vine shearing mechanism on sweet potato harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111386835A CN111386835A (en) | 2020-07-10 |
| CN111386835B true CN111386835B (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010345326.3A Active CN111386835B (en) | 2020-04-27 | 2020-04-27 | Potato vine shearing mechanism on sweet potato harvester |
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| Country | Link |
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| CN (1) | CN111386835B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB585687A (en) * | 1944-05-11 | 1947-02-19 | George Doull | Improvements in or relating to harvesters for turnips and like crops |
| CN101836535A (en) * | 2010-05-24 | 2010-09-22 | 海南大学 | Dig-pull type cassava harvester |
| CN203353137U (en) * | 2013-06-10 | 2013-12-25 | 夏述功 | Harvester for tuberous crops |
| DE102016115653A1 (en) * | 2016-08-22 | 2018-02-22 | Matthias Palandt | Potato transfer vehicle and method for loading potatoes |
| CN109258052A (en) * | 2018-10-24 | 2019-01-25 | 咸宁市农业科学院 | A kind of sweet potato harvester |
| CN109398584A (en) * | 2018-12-18 | 2019-03-01 | 湖北科技学院 | A kind of arrestment mechanism on balance car |
| CN212211957U (en) * | 2020-04-27 | 2020-12-25 | 湖北科技学院 | Potato vine harvesting mechanism on sweet potato harvester |
-
2020
- 2020-04-27 CN CN202010345326.3A patent/CN111386835B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB585687A (en) * | 1944-05-11 | 1947-02-19 | George Doull | Improvements in or relating to harvesters for turnips and like crops |
| CN101836535A (en) * | 2010-05-24 | 2010-09-22 | 海南大学 | Dig-pull type cassava harvester |
| CN203353137U (en) * | 2013-06-10 | 2013-12-25 | 夏述功 | Harvester for tuberous crops |
| DE102016115653A1 (en) * | 2016-08-22 | 2018-02-22 | Matthias Palandt | Potato transfer vehicle and method for loading potatoes |
| CN109258052A (en) * | 2018-10-24 | 2019-01-25 | 咸宁市农业科学院 | A kind of sweet potato harvester |
| CN109398584A (en) * | 2018-12-18 | 2019-03-01 | 湖北科技学院 | A kind of arrestment mechanism on balance car |
| CN212211957U (en) * | 2020-04-27 | 2020-12-25 | 湖北科技学院 | Potato vine harvesting mechanism on sweet potato harvester |
Non-Patent Citations (1)
| Title |
|---|
| 新型冬种马铃薯收获机的研制;林健康;;农机化研究(第06期);全文 * |
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| Publication number | Publication date |
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| CN111386835A (en) | 2020-07-10 |
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