CN110771341A - Sweet potato combine harvester - Google Patents

Sweet potato combine harvester Download PDF

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Publication number
CN110771341A
CN110771341A CN201911122431.4A CN201911122431A CN110771341A CN 110771341 A CN110771341 A CN 110771341A CN 201911122431 A CN201911122431 A CN 201911122431A CN 110771341 A CN110771341 A CN 110771341A
Authority
CN
China
Prior art keywords
threshing
frame
conveying
cutter
header
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.)
Pending
Application number
CN201911122431.4A
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Chinese (zh)
Inventor
徐朋飞
廖结安
师广强
王晓妍
于世强
张军
赵劲飞
冶瑞
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Tarim University
Original Assignee
Tarim University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tarim University filed Critical Tarim University
Priority to CN201911122431.4A priority Critical patent/CN110771341A/en
Publication of CN110771341A publication Critical patent/CN110771341A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D41/00Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/06Combines with headers
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F11/00Threshing apparatus specially adapted for maize; Threshing apparatus specially adapted for particular crops other than cereals
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00Parts or details of threshing apparatus
    • A01F12/40Arrangements of straw crushers or cutters

Abstract

The invention relates to the field of agricultural machinery, and provides a sweet potato combine harvester. Comprises a frame, and a header device, a conveying device and a threshing screening device which are arranged on the frame; the header device comprises a header frame and a pair of disc cutters, the disc cutters are connected with a connecting sleeve, the upper end of the connecting sleeve is rotatably connected to the header frame, and a plurality of cutter teeth are arranged on the outer surface of the connecting sleeve at intervals in the circumferential direction; the frame is provided with a traveling mechanism, and the header frame is fixedly connected with the frame; the conveying device comprises an elevator, a conveying belt and a conveying shaft, wherein the conveying belt is arranged in a conveying channel of the elevator through the conveying shaft; the threshing screening device comprises a threshing cylinder, a threshing concave sieve and a threshing vibration screen, the threshing concave sieve is arranged below the threshing cylinder and detachably connected with the frame, a threshing space is formed between the threshing concave sieve and the threshing cylinder, and the threshing vibration screen is arranged below the threshing concave sieve. The invention has obvious cutting effect, can better break the long stalks of the sweet potato and reduce the blockage during feeding.

Description

Sweet potato combine harvester
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a sweet potato combine harvester.
Background
The vetch is an excellent green manure crop, has good green manure value, and is an annual herbaceous plant, and the whole plant is dense, long and soft. The stem is long and thin, the stem climbs up to 2-3 meters, the grass is about 40 centimeters high, the branches are more, one plant can have 20-30 branches, the pod is long and round, the length is about 3 centimeters, the seeds are spherical and black, and the diameter is about 3-4 mm.
Most of grain combine harvesters commonly used in the market at present harvest upright crops, and is poor in harvesting efficiency of the long and soft crop with the winding property of the stems of the sweet potatoes, and the sweet potatoes are harvested through the grain harvester test, the feeding part and the cutter are easy to wind, so that the low efficiency and easy blockage are caused, the walking is slow due to the easy winding, the damage to the seeds of the threshing part is large, and the harvesting rate is low, so that the grain harvester in the existing market has the phenomena of high economy, low efficiency and serious harvesting loss.
In addition, the whole plant is adopted for threshing and returning the grains to the field in the existing market, the special value of the vetch, namely the green manure value, cannot be reflected, and the harvester is large and heavy in size and cannot be suitable for the existing small-sized fields and special orchards.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a hair vetch combine harvester, which aims to solve the technical problems of high economy, low efficiency and serious harvesting loss in the process of harvesting hair vetches by utilizing the grain harvester in the existing market.
According to the embodiment of the invention, the sweet potato combine harvester comprises: the threshing machine comprises a rack, and a header device, a conveying device and a threshing screening device which are arranged on the rack and connected in sequence;
the cutting table device comprises a cutting table frame and a pair of disc cutters, wherein the upper ends of the disc surfaces of the disc cutters are connected with a connecting sleeve, the upper end of the connecting sleeve is rotatably connected to the cutting table frame, and a plurality of cutter teeth are arranged on the outer surface of the connecting sleeve at intervals in the circumferential direction;
the frame is provided with a traveling mechanism, and the header frame is fixedly connected with the frame;
the conveying device comprises an elevator, a conveying belt and a conveying shaft, the elevator is provided with a conveying channel, the conveying belt is arranged in the conveying channel through the conveying shaft, and an inlet of the elevator faces one side of the disc cutter;
threshing sieving mechanism includes threshing cylinder, threshing concave sieve and threshing vibration screen cloth, the export orientation of lift conveyer threshing cylinder's one side, threshing concave sieve is located threshing cylinder below and with the connection can be dismantled to the frame, threshing concave sieve with threshing cylinder sets up relatively and forms the space of threshing between the two, threshing vibration screen cloth locates threshing concave sieve below.
According to an embodiment of the invention, the header apparatus further comprises an auger conveyor provided between the circular cutter and the elevator, the auger conveyor comprising a conveying drum and auger blades provided on a surface of the conveying drum.
According to one embodiment of the invention, the pair of disk cutters comprises a driving disk cutter and a driven disk cutter, a connecting sleeve of the driving disk cutter is connected with the header frame through a transmission gear box, a box body of the transmission gear box is fixedly connected with the header frame, the connecting sleeve of the driving disk cutter is fixedly connected with an output shaft of a transmission gear in the transmission gear box, and the driven disk cutter is driven to rotate through the driving disk cutter.
According to one embodiment of the invention, the header device further comprises a mounting base plate, two ends of the mounting base plate are connected with the bottom of the header frame, and the bottoms of the driving disc cutter and the driven disc cutter are connected with the mounting base plate through gears;
auxiliary cutters are circumferentially connected to the surfaces of the driving disc cutter and the driven disc cutter at intervals.
According to one embodiment of the present invention, the elevator includes a cylindrical housing in which the conveying passage is formed, the conveying belt is provided in the housing along a length direction of the housing, and the conveying shafts are provided at both ends of the conveying belt.
According to one embodiment of the invention, two axial ends of the threshing cylinder are mounted on the frame, and a top cover is arranged above the side of the communication part of the outlet of the elevator and the threshing cylinder and fixedly connected to the frame.
According to one embodiment of the invention, the threshing and screening device further comprises a secondary re-threshing mechanism arranged below the threshing and vibrating screen, and a grain outlet of the secondary re-threshing mechanism is communicated to one side of the upper surface of the threshing and vibrating screen.
According to one embodiment of the present invention, the threshing and screening apparatus further includes a cleaning fan mounted on the frame and disposed toward the threshing vibrating screen.
According to one embodiment of the invention, the threshing and screening device further comprises a thresher auger, a seed collecting box and a grain lifting barrel, the seed collecting box is arranged below the grain outlet side of the threshing vibration screen, the grain lifting barrel is provided with a grain lifting channel and a grain storage tank arranged at the outlet of the grain lifting channel, the thresher auger is arranged along the length direction of the grain lifting channel, one end of the thresher auger is arranged in the seed collecting box, and the other end of the thresher auger extends to the outlet of the grain lifting channel.
According to one embodiment of the invention, the straw threshing device further comprises a crushing mechanism, wherein the crushing mechanism is installed on the rack, and an inlet of the crushing mechanism is communicated with a straw outlet of the secondary threshing mechanism.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a main structure of a sweet potato combine harvester in the embodiment of the invention;
FIG. 2 is a schematic top view structure of the sweet potato combine harvester of the embodiment of the invention;
fig. 3 is a partial schematic view of a display header device of the sweet potato combine harvester of the embodiment of the invention.
Reference numerals:
1: a frame; 2: a header device; 3: a conveying device; 4: a threshing and screening device; 5: a traveling mechanism; 11: an engine; 12: a main gear case; 13: a main drive shaft; 14: cleaning the fan; 15: a grain extracting barrel; 21: a disc cutter; 22: a transmission gear box; 23: a screw conveyor; 24: a header frame; 25: connecting sleeves; 26: mounting a bottom plate; 31: an elevator; 32: a conveyor belt; 33: a delivery shaft; 41: a top cover; 42: a threshing cylinder; 43: threshing concave sieve; 44: a threshing vibrating screen; 45: a secondary rethreshing mechanism; 46: a thresher auger; 51: a wheel; 52: an axle.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 3, the sweet potato combine harvester provided by the embodiment of the invention comprises a frame 1, and a header device 2, a conveying device 3 and a threshing and screening device 4 which are arranged on the frame 1 and sequentially connected along the conveying direction of the sweet potatoes.
Specifically, header device 2 includes header frame 24 and a pair of disc cutting knife 21, and header frame 24's front end is connected a pair of disc cutting knife 21, header frame 24's rear end fixed connection frame 1 supports header frame 24 by frame 1, disc cutting knife 21's quotation upper end is connected with adapter sleeve 25, and adapter sleeve 25 is the cover tube-shape, adapter sleeve 25's upper end rotates to be connected to header frame 24, adapter sleeve 25's surface circumference interval is equipped with a plurality of sword teeth. The disc cutter 21 cuts along the upper end of the root of the hair vetch plant in the advancing direction of the hair vetch combined harvester, and the hair vetch stem is long and soft and is easy to wind on the connecting sleeve 25, and a plurality of cutter teeth are arranged at intervals in the circumferential direction of the outer surface of the connecting sleeve 25, so that the hair vetch is cut off by the cutter teeth when being wound, and therefore the hair vetch is divided into a plurality of sections, and the problem that the hair vetch is easy to wind is avoided. Here, the cutter teeth can be arranged in rows along the axial direction of the connecting sleeve 25, and can be symmetrically arranged in a plurality of rows and at least two rows about the axis of the connecting sleeve 25, so that the hair vetch can be fully segmented. To facilitate cutting, the cutter teeth extend horizontally outwardly along the connecting sleeve 25 and form points. The cut-off sweet potato plants are conveyed to the conveying device 3.
Here, it should be noted that "front" and "rear" are both relative to the conveying direction of the sweet potato.
The frame 1 is provided with a traveling mechanism 5, specifically, the traveling mechanism 5 comprises wheels 51 and axles 52 connected with the wheels 51, and the frame 1 is driven by the traveling mechanism 5 to travel. In particular, the frame 1 further comprises an engine 11, a general gearbox 12 and a general drive shaft 13; engine 11 passes through the bolt and the crossbeam is fixed in frame 1, total gear case 12 passes through the bolt fastening in frame 1, total drive shaft 13 passes through the roof beam and connects fixedly, the both ends of roof beam pass through the bolt and welded fastening in frame 1, engine 11 is used for providing walking power for frame 1 and provides cutting power and for conveyer 3 provides conveying power and for threshing screening device 4 provides threshing power for header device 2, total drive shaft 13 is connected with total gear case 12, engine 11 is connected with total gear case 12, power is exported through total drive shaft 13.
Specifically, the conveying device 3 includes an elevator 31, a conveyor belt 32 and a conveying shaft 33, the elevator 31 is provided with a conveying passage, as shown in fig. 2, the elevator 31 is obliquely arranged from bottom to top along a conveying direction, that is, the cut hair vetches can be conveyed from a lower position to a higher position, so that the hair vetches can be conveniently treated above the rack 1, the conveyor belt 32 is arranged in the conveying passage through the conveying shaft 33, the conveying shaft 33 can be arranged at two ends of the conveyor belt 32, the rotating direction of the conveying shaft 33 is consistent with the moving direction of the conveyor belt 32, the number of the conveying shafts 33 is two, one is arranged at an inlet of the elevator 31, the other is arranged at an outlet of the elevator 31, and the inlet of the elevator 31 faces one side of the circular cutter 21, so that the hair vetches cut and cut by the circular cutter 21 can be conveyed to the elevator 31.
Specifically, threshing and screening device 4 includes threshing cylinder 42, threshing concave screen 43 and threshing vibration screen 44, the export orientation of elevator 31 threshing cylinder 42's one side for the hair vetch after cutting off is carried threshing cylinder 42 department, threshing concave screen 43 locates threshing cylinder 42 below and with frame 1 can dismantle the connection, threshing concave screen 43 with threshing cylinder 42 sets up relatively between the two and forms threshing space, and the hair vetch after cutting off is rotated by threshing cylinder 42 and is driven extremely in threshing space, hair vetch plant and bean pod separate under threshing concave screen 43 and threshing cylinder 42's effect, threshing vibration screen 44 locates threshing concave screen 43 below, the hair vetch seed that contains little impurity leaks on threshing vibration screen 44 by threshing concave screen 43.
The threshing concave sieve 43 of this embodiment adopts the detachable connection, is convenient to change, for example, changes into the threshing concave sieve 43 of other materials, thereby can reap other material crops and realize the multi-purpose function of one machine.
It should be noted that the threshing concave screen 43 is an inward concave curved surface matching the outward convex curved surface of the threshing cylinder 42. So as to form an arc threshing space and fully press the sweet potatoes between the threshing concave sieve 43 and the threshing cylinder 42.
According to an embodiment of the invention, in order to convey the cut hair vets to the conveying device 3, the header device 2 further comprises a screw conveyor 23, the screw conveyor 23 is arranged between the disk cutters 21 and the elevator 31, the screw conveyor 23 comprises a conveying roller and screw conveying blades arranged on the surface of the conveying roller, the screw conveying blades are arranged around the circumference of the conveying roller and extend along the axial direction of the conveying roller, the cut hair vets are conveyed to the side of the elevator 31 by the rolling of the conveying roller, and the hair vets in conveying are conveyed to one side in a centralized manner through the screw conveying blades, and in the embodiment, the inlet of the elevator 31 is deviated to the position of one disk cutter 21.
According to an embodiment of the present invention, the pair of disk cutters 21 includes a driving disk cutter and a driven disk cutter, a connection sleeve 25 of the driving disk cutter is connected to the header frame 24 through a transmission gear box 22, a box body of the transmission gear box 22 is fixedly connected to the header frame 24, the connection sleeve 25 of the driving disk cutter is fixedly connected to an output shaft of a transmission gear in the transmission gear box 22, the driving disk cutter is driven by the transmission gear to rotate, the driven disk cutter is driven to rotate by the driving disk cutter, the driven disk cutter and the driving disk cutter are at the same height and are in contact with each other, and when the driving disk cutter rotates, the driven disk cutter is driven to rotate by friction force between the driving disk cutter and the driven disk cutter. So that the cost of installing the transmission gear case 22 above the driven disc cutter can be saved. In this embodiment, the inlet of the elevator 31 is provided near the driven disk cutter.
According to an embodiment of the invention, the header device 2 further comprises an installation bottom plate 26, two ends of the installation bottom plate 26 are connected with the bottom of the header frame 24, the bottoms of the driving disk cutter and the driven disk cutter are both connected with the installation bottom plate 26 through gears, the installation bottom plate 26 can support the driving disk cutter and the driven disk cutter, and the hair vetches creeping on the ground can be picked up through the installation bottom plate 26, so that the driving disk cutter and the driven disk cutter can be cut off conveniently. In addition, in order to facilitate the smooth rotation of the driving disc cutter and the driven disc cutter, gears are arranged at the bottoms of the driving disc cutter and the driven disc cutter, the two gears can be meshed with each other, and the gears below the driving disc cutter and the driven disc cutter can be driven to rotate by the rotation of the gears below the driving disc cutter, so that the driven disc cutter is driven to rotate. Therefore, the abrasion of the driving disk cutter and the driven disk cutter caused by the rotation of the driving disk cutter and the driven disk cutter by friction force can be reduced.
In addition, the bottom of the mounting bottom plate 26 can be provided with elastic teeth, so that the hair vetch is convenient to lift.
For the sufficient big of area of cutting, avoid leaking cutting, the equal interval connection in quotation circumference of initiative disc cutting knife and driven disc cutting knife has supplementary cutting knife, and supplementary cutting knife can pass through connecting pieces such as bolts to be connected on the quotation of initiative disc cutting knife and driven disc cutting knife, and this embodiment can set up three supplementary cutting knife respectively in the quotation of initiative disc cutting knife and driven disc cutting knife.
According to an embodiment of the invention, the elevator 31 comprises a cylindrical housing, the housing forms the conveying channel, the conveying belt 32 is arranged in the housing along the length direction of the housing, and the conveying shafts 33 are respectively arranged at two ends of the conveying belt 32, so that the cut furrows can be conveyed from the housing, and the furrows can not leak out of the elevator 31.
According to one embodiment of the invention, two axial ends of the threshing cylinder 42 are arranged on the frame 1, certainly, the threshing cylinder 42 can rotate along with a rotating shaft, a top cover 41 is arranged above the side of the communication part of the outlet of the elevator 31 and the threshing cylinder 42, the top cover 41 can be used for shielding to prevent hair vetches from overflowing out of the frame 1, the top cover 41 is fixedly connected to the frame 1, and the top cover 41 can be fixedly connected to the frame 1 by connecting pieces such as bolts and the like.
According to an embodiment of the invention, the threshing and screening device 4 further comprises a secondary re-threshing mechanism 45 arranged below the threshing vibration screen 44, the furred vetch after primary threshing still has pods which are not threshed, the furred vetch plant containing the pods is discharged into the secondary re-threshing mechanism 45 through a discharge channel from a threshing space, the pods which are not threshed can be further threshed, and a grain outlet of the secondary re-threshing mechanism 45 is communicated to one side of the upper surface of the threshing vibration screen 44. The loss rate of the vetch seeds can be reduced by secondary rethreshing. After the secondary rethreshing, the seeds are conveyed to a threshing vibration screen 44, and are screened by the threshing vibration screen 44 for storage.
In this embodiment, the secondary threshing mechanism 45 is a threshing mechanism in the prior art.
According to one embodiment of the present invention, the threshing and screening apparatus 4 further comprises a cleaning fan 14 mounted on the frame 1 and disposed toward the threshing vibrating screen 44. The foreign substances can be discharged outside the machine by blowing air through the cleaning fan 14.
According to an embodiment of the present invention, the threshing and screening device 4 further includes a threshing machine auger 46, a seed collecting box and a grain lifting barrel 15, the seed collecting box is disposed below the grain discharging side of the threshing vibration screen 44, the seeds screened by the threshing vibration screen 44 are intensively discharged into the seed collecting box, the seed collecting box is disposed with an opening for discharging the seeds, the grain lifting barrel 15 is provided with a grain lifting channel and a grain storage tank disposed at an outlet of the grain lifting channel, the threshing machine auger 46 is disposed along a length direction of the grain lifting channel, one end of the threshing machine auger 46 is disposed in the seed collecting box, the other end of the threshing machine auger 46 extends to the outlet of the grain lifting channel, and the seeds in the seed collecting box can be transported to the grain storage tank for storage through the threshing machine auger 46.
Specifically, the thresher auger 46 comprises a thresher drum and a thresher conveying blade arranged on the surface of the thresher drum, and in the rotating process of the thresher drum, seeds are driven by the thresher conveying blade to advance and are conveyed along a grain lifting channel.
According to an embodiment of the invention, the device further comprises a smashing mechanism (not shown in the figure), the smashing mechanism is installed on the rack 1, an inlet of the smashing mechanism is communicated with a straw outlet of the secondary re-threshing mechanism 45, so that the straws after secondary threshing enter the smashing mechanism to be smashed, and the green manure value of the vetch can be reflected by smashing and returning the vetch plants to the field. The crushing mechanism can be an existing crusher.
The operation process of the embodiment is as follows: when the harvester moves forward to work, the grain reaping machine (which is provided by the existing machinery) can divide crops into a harvesting area and an area to be harvested, so that the side edges are prevented from being wound; meanwhile, the hair vetch crawled on the ground is picked up by the mounting bottom plate 26, then the cut hair vetch is cut by the disc cutter 21, the cut hair vetch plant is conveyed backwards, the cut hair vetch is gathered towards the middle by the spiral conveyor 23 and is fed to the conveying roller of the elevator 31, the cut hair vetch plant is conveyed to the threshing roller 42 through the arrangement and the lifting of the conveying roller, under the rubbing action of the threshing roller 42 and the threshing concave plate sieve 43, the hair vetch plant and the seeds are separated to complete the threshing process, and at the moment, the seeds and small light impurities leak onto the threshing vibration screen 44; meanwhile, the threshed straw sundries are further screened by a multistage separating drum screen to separate the residual seeds wrapped in the straw sundries onto a threshing vibrating screen 44, then the seeds of the vetch are separated from the light impurities under the combined action of wind power and vibration, finally the clean seeds are collected into a seed collecting box, and the produced straw is sent to a crushing mechanism to be crushed and finally discharged out of the machine tool.
Compared with the existing reciprocating cutting tool, the disc cutter 21 of the embodiment of the invention has the advantages of higher linear velocity and more obvious cutting effect, and the addition of the cutter teeth on the cutter can better break long stalks and reduce the blockage during feeding.
The threshing concave sieve 43 of the embodiment adopts the detachable connection, so that the threshing concave sieve 43 of other materials can be conveniently replaced, so that other material crops can be harvested, the multi-purpose function of the threshing concave sieve is realized, the loss of the vetch seeds can be reduced by adopting secondary re-threshing, the harvest rate is increased, and the cost is reduced.
The reducing mechanism is added to this embodiment, smashes when the orchard results and returns the field and provide abundant nutrient substance for the fruit tree growth, promotes fruit tree crop growth.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims (10)

1. A sweet potato combine harvester comprises a frame, and is characterized by further comprising a header device, a conveying device and a threshing and screening device which are arranged on the frame and connected in sequence;
the cutting table device comprises a cutting table frame and a pair of disc cutters, wherein the upper ends of the disc surfaces of the disc cutters are connected with a connecting sleeve, the upper end of the connecting sleeve is rotatably connected to the cutting table frame, and a plurality of cutter teeth are arranged on the outer surface of the connecting sleeve at intervals in the circumferential direction;
the frame is provided with a traveling mechanism, and the header frame is fixedly connected with the frame;
the conveying device comprises an elevator, a conveying belt and a conveying shaft, the elevator is provided with a conveying channel, the conveying belt is arranged in the conveying channel through the conveying shaft, and an inlet of the elevator faces one side of the disc cutter;
threshing sieving mechanism includes threshing cylinder, threshing concave sieve and threshing vibration screen cloth, the export orientation of lift conveyer threshing cylinder's one side, threshing concave sieve is located threshing cylinder below and with the connection can be dismantled to the frame, threshing concave sieve with threshing cylinder sets up relatively and forms the space of threshing between the two, threshing vibration screen cloth locates threshing concave sieve below.
2. The brooch combine according to claim 1, characterized in that the header device further comprises a screw conveyor arranged between the circular cutter and the elevator, the screw conveyor comprising a transport drum and screw conveyor blades arranged on the surface of the transport drum.
3. The potato combine harvester of claim 1, wherein the pair of disk cutters comprises a driving disk cutter and a driven disk cutter, a connecting sleeve of the driving disk cutter is connected with the header frame through a transmission gear box, a box body of the transmission gear box is fixedly connected with the header frame, the connecting sleeve of the driving disk cutter is fixedly connected with an output shaft of a transmission gear in the transmission gear box, and the driven disk cutter is driven to rotate through the driving disk cutter.
4. The hair vetch combine harvester according to claim 3, characterized in that the header device further comprises a mounting base plate, both ends of the mounting base plate are connected with the bottom of the header frame, and the bottoms of the driving disk cutter and the driven disk cutter are connected with the mounting base plate through gears;
auxiliary cutters are circumferentially connected to the surfaces of the driving disc cutter and the driven disc cutter at intervals.
5. The sweet potato combine harvester of claim 1, wherein the elevator comprises a cylindrical housing, the housing forms the conveying channel, the conveyor belt is arranged in the housing along the length direction of the housing, and the conveying shafts are respectively arranged at two ends of the conveyor belt.
6. The sweet potato combine harvester according to claim 1, wherein two axial ends of the threshing cylinder are mounted on the frame, a top cover is arranged above the side of the communication part between the outlet of the elevator and the threshing cylinder, and the top cover is fixedly connected to the frame.
7. The sweet potato combine harvester of claim 1, wherein the threshing and screening device further comprises a secondary re-threshing mechanism arranged below the threshing and vibrating screen, and a grain outlet of the secondary re-threshing mechanism is communicated to one side of the upper surface of the threshing and vibrating screen.
8. The sweet potato combine harvester of claim 1, wherein the threshing and sifting device further comprises a cleaning fan mounted on the frame and disposed toward the threshing vibrating screen.
9. The hair vetch combined harvester of claim 1, wherein the threshing and screening device further comprises a thresher auger, a seed collecting box and a grain lifting barrel, the seed collecting box is arranged below the grain outlet side of the threshing and vibrating screen, the grain lifting barrel is provided with a grain lifting channel and a grain storage tank arranged at the outlet of the grain lifting channel, the thresher auger is arranged along the length direction of the grain lifting channel, one end of the thresher auger is arranged in the seed collecting box, and the other end of the thresher auger extends to the outlet of the grain lifting channel.
10. The sweet potato combine harvester of claim 7, further comprising a crushing mechanism, wherein the crushing mechanism is mounted on the frame, and an inlet of the crushing mechanism is communicated with a straw outlet of the secondary re-threshing mechanism.
CN201911122431.4A 2019-11-15 2019-11-15 Sweet potato combine harvester Pending CN110771341A (en)

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Application Number Priority Date Filing Date Title
CN201911122431.4A CN110771341A (en) 2019-11-15 2019-11-15 Sweet potato combine harvester

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Application Number Priority Date Filing Date Title
CN201911122431.4A CN110771341A (en) 2019-11-15 2019-11-15 Sweet potato combine harvester

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113348861A (en) * 2021-05-30 2021-09-07 江苏海瑞通机械有限公司 Multipurpose wheat and soybean harvester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113348861A (en) * 2021-05-30 2021-09-07 江苏海瑞通机械有限公司 Multipurpose wheat and soybean harvester

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