CN217826000U - Four-row corn harvester capable of harvesting stems and ears and header thereof - Google Patents
Four-row corn harvester capable of harvesting stems and ears and header thereof Download PDFInfo
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- CN217826000U CN217826000U CN202221576527.5U CN202221576527U CN217826000U CN 217826000 U CN217826000 U CN 217826000U CN 202221576527 U CN202221576527 U CN 202221576527U CN 217826000 U CN217826000 U CN 217826000U
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Abstract
The utility model discloses a four lines of stems and ears are received maize picker concurrently and header thereof, include: the ear-picking and stem-pulling device comprises four feeding mechanisms and two horizontal ear-picking and stem-pulling devices, wherein the four feeding mechanisms and the two horizontal ear-picking and stem-pulling devices are arranged on a cutting table, the common horizontal ear-picking and stem-pulling device corresponds to the two feeding mechanisms, the two horizontal ear-picking and stem-pulling devices are transversely arranged in a straight line, and each ear-picking and stem-pulling device comprises an ear-picking device and a stem-pulling device; the ear picking device comprises an upper ear picking roller and a lower ear picking device, the upper ear picking roller is provided with an ear picking spiral structure, and a space between the lower part of the upper ear picking roller and the end part of the lower ear picking device is a front stalk passing area; the stem pulling device comprises an upper stem pulling roller and a lower stem pulling roller, the lower stem pulling roller comprises a stem conveying part and an avoiding part, and a gap between the avoiding part and the upper stem pulling roller is a rear stem passing area; the feeding mechanism comprises a feeding chain and an auxiliary chain, and the feeding chain penetrates through the front stalk passing area and the rear stalk passing area and extends to the rear part of the stalk pulling device. The feeding chain forcibly feeds the stalks into the stalk pulling device, the stalk pulling is smooth, and the stalks are not easy to block.
Description
Technical Field
The utility model relates to a maize picker technical field, specific theory relates to a four lines of stems and ears are concurrently received maize picker and header thereof.
Background
The arrangement form of the header of the corn harvester for harvesting stems and ears is mainly divided according to the arrangement form of ear pluckers, and the existing ear pluckers are all roller type and are divided into a longitudinal horizontal plucking roller, a vertical plucking roller and a transverse horizontal plucking roller. The longitudinal and horizontal picking rollers are longitudinally arranged in front and back, the compression degree of the stalks is small when the longitudinal and horizontal picking rollers pick the ears, so that the power consumption is low, the adaptability to different states of the stalks is strong, the work is reliable, and the picked ears have more bracts. The vertical picking rollers comprise a pair of oblique picking rollers, the compression degree of stems in picking is large, bracts of ears are more stripped, the working performance is better under general conditions, but the stems are easily broken to cause blockage under the conditions of large stems, inconsistent sizes and more water content. The horizontal picking roller comprises a pair of horizontal picking rollers which are transversely arranged, although the horizontal picking roller is simple in structure and low in power, the horizontal picking roller has a high engaging rate on ears and is easy to block, and the horizontal picking roller is mainly used for harvesting green feed corns.
The invention discloses a corn stalk and ear combined harvesting platform, which is an improvement on a horizontal ear-picking and stalk-pulling device, and comprises two groups of oblique splayed ear-picking pair rollers for picking ears, wherein each group of ear-picking pair rollers picks two rows of corn ears, the two groups of ear-picking pair rollers pick four rows of corn ears, the stalk-pulling pair rollers pull stalks, and the ear-picking and stalk-pulling are respectively completed by different pairs of rollers. The stalk is pulled out by the stalk pulling pair roller with large diameter, so the stalk is not easy to block, the harvesting operation speed is high, the corn stalk can be orderly fed into the stalk cutter, and the quality of the recovered forage is good.
The above application solves the problems of stem blockage and cluster breakage to some extent, but still has the following problems:
(1) The screw pitch of the ear-picking double rollers is too large, so that the ears are easy to bite into the ear-picking double rollers, and the convex ribs on the surfaces of the ear-picking double rollers are easy to crush seeds;
(2) The stalks are conveyed to the ear picking roller pair through the reel chain, the feeding chain and the auxiliary feeder, and then are conveyed backwards to the stalk pulling roller pair through the ear picking roller pair, so that the structure is complex, the cost is high, the failure rate is high, and the stalks are easy to gather at the ear picking roller to cause blockage when the ear picking roller conveys the stalks backwards;
(3) The stalks are conveyed to the stalk pulling pair rollers by the ear picking pair rollers, the stalk pulling pair rollers actively bite the stalks by self, the problem of unsmooth stalk pulling exists, and the stalks are easy to break, difficult to reach and easy to block due to the long distance between the stalk pulling pair rollers and the ear picking pair rollers;
(4) The two groups of ear picking roller pairs are arranged obliquely in a splayed shape, occupy large space, are not compact, are not easy to arrange, need to be driven to rotate respectively, and have high power consumption.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough, the utility model discloses the first technical problem that will solve is: the header of the four-row corn harvester with the stalk and ear harvesting function is provided, when corn is harvested, grains are not easy to break, stalks are not easy to block, and stalk pulling is smooth.
Based on same technical concept, the utility model discloses the second technical problem that will solve is: provides a four-row corn harvester with stalk and ear harvesting.
In order to solve the first technical problem, the technical solution of the present invention is:
a four-row header of a corn harvester with stalk and ear harvesting function comprises: a cutting rack, wherein the cutting rack is provided with four feeding mechanisms and two horizontal ear-picking and stem-pulling devices, each horizontal ear-picking and stem-pulling device corresponds to two feeding mechanisms,
the two horizontal ear-picking and stem-pulling devices are arranged in a horizontal line shape along the horizontal direction;
the horizontal ear-picking stem-pulling device comprises an ear-picking device and a stem-pulling device, and the stem-pulling device is arranged behind the ear-picking device;
the ear picking device comprises an upper ear picking roller and a lower ear picking device which are arranged up and down, the upper ear picking roller is rotatably arranged, the lower ear picking device is fixedly arranged, the upper ear picking roller is provided with an ear picking spiral structure which extends from two ends to the middle and has opposite rotation directions, the length of the lower ear picking device is shorter than that of the upper ear picking roller, and a space between the lower part of the upper ear picking roller and the end part of the lower ear picking device is a front stalk passing area;
the stem pulling device comprises an upper stem pulling roller and a lower stem pulling roller which are rotatably arranged, the upper stem pulling roller is provided with an upper stem pulling spiral structure which extends from two ends to the middle and is opposite in turning direction, the lower stem pulling roller comprises a stem conveying part positioned in the middle and avoiding parts positioned at two ends, the stem conveying part is provided with a lower stem pulling spiral structure which extends from two ends to the middle and is opposite in turning direction, the diameter of the avoiding part is smaller than that of the stem conveying part, and a gap between the avoiding part and the upper stem pulling roller is a rear stem passing area;
the feeding mechanism comprises a feeding chain and an auxiliary chain which are used in a matched mode, the feeding chain penetrates through the front stem passing area and the rear stem passing area from front to back and extends to the rear of the stem pulling device, and the auxiliary chain is arranged on the inner side of the feeding chain and is positioned in front of the ear picking device.
Preferably, the cutting table frame is further provided with a spiral concentrator, and the spiral concentrator is located behind the stem pulling device.
Preferably, the pitch of the snapping helix is such as to allow the passage of stalks and to block the passage of ears.
Preferably, the upper snapping roll is arranged close to the upper stem-pulling roll, and the movement tracks of the upper snapping roll and the upper stem-pulling roll are limited by noninterference.
Preferably, the lower stripper is arranged right below or below the front side of the upper stripper roller.
Preferably, the surface of the lower ear picker for picking ears is a cambered surface; the lower ear picker is a round rod or an ear picking plate.
Preferably, the two upper snapping rollers rotate coaxially and synchronously, and the two lower snapping devices are fixedly connected.
Preferably, the two upper stem drawing rollers rotate coaxially and synchronously, and the two lower stem drawing rollers rotate coaxially and synchronously.
Preferably, the circumferential surfaces of the upper stem drawing roller and the lower stem drawing roller are respectively provided with meshing teeth.
In order to solve the second technical problem, the technical solution of the present invention is: four-row stem and ear combined harvesting corn harvester, comprising the four-row stem and ear combined harvesting corn harvester header.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
because the ear picking and the stem pulling are respectively realized by the ear picking device and the stem pulling device, the ear picking device comprises an upper ear picking roller and a lower ear picking device which are arranged up and down, the upper ear picking roller is rotationally arranged, the lower ear picking device is fixedly arranged, the upper ear picking roller is provided with an ear picking spiral structure which extends from two ends to the middle and has opposite rotation directions, and compared with the ear picking devices with the upper ear picking roller and the lower ear picking roller, the damage to the seeds caused by convex ribs arranged on the ear picking roller can be reduced; and because the feeding chain passes through the front stalk passing area and the rear stalk passing area from front to back and extends to the rear part of the stalk pulling device, when the corn is harvested, the cut stalks are conveyed to the ear picking device by the feeding chain, the ear picking device only allows the stalks to pass through, the feeding chain continuously and directly forces the stalks to be fed between the stalk pulling upper roller and the stalk pulling lower roller of the stalk pulling device backwards, the ear picking device blocks the ears and the stalk pulling device pulls the stalks strongly at the root parts of the stalks, the ears and the stalks are separated, the stalks are pulled smoothly, and the stalks are not easy to block.
The utility model discloses in, only allow the stem stalk to pass through and block the ear of grain to pass through owing to the helical pitch on the snapping roll for the ear of grain can not bite into on snapping roll and under between the snapping ware, further reduced seed grain damage.
The utility model discloses in, go up to pluck ear of grain roller and be close to as far as possible and draw the setting of upper stem roller to movement track between them noninterference is the limit, under feeding chain motion inertial effect, can be smooth and easy draw stem device with the stalk feeding, the stalk is difficult to break, and the ear of grain power of plucking that just produces is big, plucks the ear of grain easily, and impurity is few in the fruit ear.
In the utility model, because the two horizontal ear-picking and stem-pulling devices are arranged in a horizontal line along the horizontal direction, the occupied space is small, the structure is compact, and the arrangement is convenient; because the two upper snapping rollers rotate coaxially and synchronously, the two upper stalk-pulling rollers rotate coaxially and synchronously, the two lower stalk-pulling rollers rotate coaxially and synchronously, the synchronism of the rotation of the rollers is good, and the power consumption is low.
Drawings
FIG. 1 is a schematic top view of a header of a four-row corn harvester for harvesting stalks and ears according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a header of a four-row corn harvester for harvesting stalks and ears according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of the snapping device in FIG. 1;
FIG. 4 is a schematic view of the stem-pulling device of FIG. 1;
FIG. 5 is a schematic structural view of the horizontal ear-picking and stem-pulling device in the embodiment of FIG. 1 in a top-down working state;
FIG. 6 is a schematic structural view of the horizontal ear-picking stem-pulling device in the embodiment of FIG. 1 in a lateral working state;
in the figure: a. a snapping device; b. a stem pulling device; 1. an ear picking roller is arranged; 2. a ear picker is arranged; 3. a feed chain; 4. reel teeth; 5. pulling the stem and the upper roller; 6. pulling the lower stem roll; 61. a stalk conveying part; 62. an avoidance part; 7. a front stalk passing region; 8. a rear stalk passing region; 9. a stalk cutting mechanism; 10. a fruit ear conveying mechanism; 11. fruit clusters; 12. stalks; 13. cutting the bench; 14. an auxiliary chain; 15. a helical concentrator; 16. a divider.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Defining: front and back are as shown in fig. 1.
As shown in fig. 1 and fig. 2, a header of a four-row header of a corn harvester for harvesting both stalk and ears is applied to a four-row header of a corn harvester for harvesting both stalk and ear, comprising: the ear and stem picking and pulling device comprises a cutting rack 13, wherein the cutting rack 13 is provided with a nearside divider 16, stem cutting mechanisms 9, feeding mechanisms, two horizontal ear and stem picking and pulling devices and a spiral concentrator 15, the number of the feeding mechanisms is four, the number of the horizontal ear and stem picking and pulling devices is two, each horizontal ear and stem picking and pulling device corresponds to two feeding mechanisms, and the two horizontal ear and stem picking and pulling devices are transversely arranged in a straight line. Each feeding mechanism correspondingly harvests one row of corns, and the corn harvester can harvest four rows of corns at the same time.
As shown in fig. 3, 4, 5 and 6, the horizontal ear-picking stem-pulling device comprises: the ear picking device a and the stem pulling device b are arranged behind the ear picking device a.
The ear picking device a comprises an upper ear picking roller 1 and a lower ear picking device 2 which are arranged up and down, the upper ear picking roller 1 is rotatably arranged, the lower ear picking device 2 is fixedly arranged, the upper ear picking roller 1 is provided with an ear picking spiral structure which extends from two ends to the middle and has opposite rotation directions, the length of the lower ear picking device 2 is shorter than that of the upper ear picking roller 1, and a space between the lower part of the upper ear picking roller 1 and the end part of the lower ear picking device 2 is a front stalk passing area 7.
Draw stem device b including rotating the setting draw the stem to go up roller 5 and draw stem lower roll 6, draw the stem to go up roller 5 and be provided with from both ends to middle extension and revolve to opposite pull-up stem helical structure, draw stem lower roll 6 to include the stem conveying part 61 at middle part and the portion 62 of dodging at both ends, stem conveying part 61 is provided with and extends and revolve to opposite pull-down stem helical structure from both ends to the middle, the diameter of dodging portion 62 is less than the diameter of stem conveying part 61, dodge portion 62 and draw the stem and go up the clearance between roller 5 and pass through district 8 for the rear portion stem.
The feeding mechanism comprises a feeding chain 3 and an auxiliary chain 14 which are used in a matched mode, the feeding chain 3 penetrates through the front stem passing area 7 and the rear stem passing area 8 from front to back and extends to the rear of the stem pulling device b, and the auxiliary chain 14 is located on the inner side of the feeding chain 3 and located in front of the snapping device a.
The spiral concentrator 15 is positioned behind the stalk-pulling devices b and is used for concentrating the stalks 12 which are conveyed backwards by the two stalk-pulling devices b towards the middle and conveying the stalks backwards to the hay cutter for smashing.
The pitch of the snapping helix is limited to allow the passage of the stalks 12 and to block the passage of the ears 11.
The upper snapping roll 1 is arranged close to the upper stalk-pulling roll 5, and the motion tracks of the upper snapping roll and the upper stalk-pulling roll are not interfered.
The lower ear picking device 2 is arranged right below or under the front side of the upper ear picking roller 1, so that the stalks 12 are fed into the ear picking device a straightly as much as possible, and the stalks 12 are prevented from being broken.
The surface of the lower ear picker 2 used for picking ears is a cambered surface. The lower ear picker 2 is a round rod piece or an arc-shaped ear picking plate.
The circumferential surfaces of the upper stem-pulling roller 5 and the lower stem-pulling roller 6 are respectively provided with an occlusion tooth.
Because the two horizontal ear-picking stem-pulling devices are arranged in a horizontal line along the horizontal direction, the occupied space is small, the structure is compact, and the arrangement is convenient; because the two upper snapping rollers 1 rotate coaxially and synchronously, the two upper stalk-pulling rollers 5 rotate coaxially and synchronously, and the two lower stalk-pulling rollers 6 rotate coaxially and synchronously, the rollers have good rotation synchronism and low power consumption.
When harvesting corn, the stalk cutting mechanism 9 cuts the stalks 12 from the roots, the feeding chain 3 and the auxiliary chain 14 clamp the stalks 12 to be conveyed backwards, the lower ends of the stalks 12 are bent by touching the cutting table frame 13, the feeding chain 3 conveys the stalks 12 backwards to the ear picking device a, the bent parts are overlapped and fed into the ear picking device a, the bidirectional spirals on the upper ear picking roller 1 convey the stalks 12 at the left and right ends upwards to the middle of the ear picking roller 1, meanwhile, the feeding chain 3 continues to convey backwards and directly feeds the stalks 12 between the upper stalk pulling roller 5 and the lower stalk pulling roller 6 in a forced mode, the stalks 12 are conveyed towards the middle under the spiral action on the upper stalk pulling roller 5 and the lower stalk pulling roller 6 and conveyed backwards under the meshing action of the upper stalk pulling roller 5 and the lower stalk pulling roller 6, because the pitch of the spiral on the upper ear picking roller 1 only allows the stalks 12 to pass through to block the ears 11, so that the stalks 11 pass through the ear picking device a and the upper and the lower stalk pulling roller 5 and the pulling roller 6, the stalks 11 pass through the spiral ear picking device a, the stalks 11 are separated from the ear picking device a, and the stalks are collected into the ear cutting device 15, and then are conveyed to the ear cutting device b, and fed into the ear cutting device 12, and then are fed into the ear cutting device b, and fed into the ear cutting device b.
Because the ear picking and the stem pulling are respectively realized by the ear picking device a and the stem pulling device b, the ear picking device a comprises an upper ear picking roller 1 and a lower ear picking device 2 which are arranged up and down, the upper ear picking roller 1 is rotationally arranged, the lower ear picking device 2 is fixedly arranged, the upper ear picking roller 1 is provided with an ear picking spiral structure which extends from two ends to the middle and has opposite rotation directions, and compared with the ear picking devices with the upper ear picking roller structure and the lower ear picking roller structure, the damage to the seeds caused by convex ribs arranged on the ear picking roller can be reduced; and because the feeding chain 3 passes through the front stalk passing area 7 and the rear stalk passing area 8 from front to back and extends to the rear of the stalk pulling device, when the corn is harvested, the cut stalks 12 are conveyed to the ear picking device a by the feeding chain 3, the ear picking device a only allows the stalks 12 to pass through, the feeding chain 3 directly and forcibly feeds the stalks 12 backwards between the upper stalk pulling roller 5 and the lower stalk pulling roller 6 of the stalk pulling device b, the ears 11 are blocked by the ear picking device b and the roots of the stalks 12 are strongly pulled down by the stalk pulling device b, the ears 11 are separated from the stalks 12, the stalks are pulled smoothly, and the stalks 12 are not easy to block.
The screw pitch of the screw on the upper snapping roll 1 only allows the stalks 12 to pass through and blocks the ears 11 from passing through, so that the ears 11 cannot bite between the upper snapping roll 1 and the lower snapping roll 2, and kernel breakage is further avoided.
The utility model discloses in, go up ear of grain roller 1 and be close to as far as possible and draw the setting of epaxial 5 rollers on the stem to movement track noninterference between them is the limit, under 3 motion inertia's of feeding chain effect, can be smooth and easy draw stem device b with the 12 feeding of stem stalk, and stem stalk 12 is difficult to break, and the ear of grain power of plucking that produces is big, plucks the ear of grain easily, and impurity is few in the fruit cluster.
The upper snapping roll 1, the upper stalk pulling roll 5 and the lower stalk pulling roll 6 are respectively in synchronous transmission connection with the power transmission device, so that the upper snapping roll 1 and the stalk pulling device b synchronously convey the stalks 12 to the middle, the stalks 12 are not easy to break, and snapping and dispersing are uniform.
The utility model discloses in, feeding chain 3 has the function of dialling standing grain chain and feeding chain among the prior art, has simplified the structure, has reduced manufacturing cost, and the fault rate is low.
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 protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. Four lines of stems and ears combine to receive maize picker header includes: a cutting rack, wherein the cutting rack is provided with four feeding mechanisms and two horizontal ear-picking stem-pulling devices, each horizontal ear-picking stem-pulling device corresponds to two feeding mechanisms,
the two horizontal ear-picking and stem-pulling devices are arranged in a horizontal line shape along the horizontal direction;
the horizontal ear-picking stem-pulling device comprises an ear-picking device and a stem-pulling device, and the stem-pulling device is arranged behind the ear-picking device;
the ear picking device comprises an upper ear picking roller and a lower ear picking device which are arranged up and down, the upper ear picking roller is rotatably arranged, the lower ear picking device is fixedly arranged, the upper ear picking roller is provided with an ear picking spiral structure which extends from two ends to the middle and has opposite rotation directions, the length of the lower ear picking device is shorter than that of the upper ear picking roller, and a space between the lower part of the upper ear picking roller and the end part of the lower ear picking device is a front stalk passing area;
the stem pulling device comprises an upper stem pulling roller and a lower stem pulling roller which are rotatably arranged, the upper stem pulling roller is provided with an upper stem pulling spiral structure which extends from two ends to the middle and is opposite in turning direction, the lower stem pulling roller comprises a stem conveying part positioned in the middle and avoiding parts positioned at two ends, the stem conveying part is provided with a lower stem pulling spiral structure which extends from two ends to the middle and is opposite in turning direction, the diameter of the avoiding part is smaller than that of the stem conveying part, and a gap between the avoiding part and the upper stem pulling roller is a rear stem passing area;
the feeding mechanism comprises a feeding chain and an auxiliary chain which are used in a matched mode, the feeding chain penetrates through the front stem passing area and the rear stem passing area from front to back and extends to the rear of the stem pulling device, and the auxiliary chain is arranged on the inner side of the feeding chain and is positioned in front of the ear picking device.
2. The four-row header of a corn harvester with stalk and ear harvesting as claimed in claim 1, wherein the header is further provided with a spiral concentrator, and the spiral concentrator is located behind the stalk pulling device.
3. The four row stem and ear corn harvester header of claim 1, wherein the pitch of the snapping helix is limited to allow passage of stalks and to block passage of ears.
4. The four-row header of a stalk and ear harvesting corn harvester of claim 1, wherein the upper ear picking roller is arranged close to the upper stalk pulling roller, and the movement tracks of the upper ear picking roller and the upper stalk pulling roller are limited by no interference.
5. The four-row header of a corn harvester for both ears of stalks and stalks of claim 1, wherein the lower ear picker is positioned directly below or below the front side of the upper ear picker roller.
6. The four-row header of a stalk-ear combine harvester as claimed in claim 1, wherein the surface of the lower ear picker for picking ears is a cambered surface;
the lower ear picker is a round rod piece or an ear picking plate.
7. The four-row header of a corn harvester with stalk and ear harvesting as claimed in claim 1, wherein the two upper snapping rolls rotate coaxially and synchronously, and the two lower snapping machines are fixedly connected.
8. The four-row header of a corn harvester with stalk and ear harvesting as claimed in claim 1, wherein the two upper stalk pulling rolls rotate coaxially and synchronously and the two lower stalk pulling rolls rotate coaxially and synchronously.
9. The header of a four-row corn harvester with stalk and ear as claimed in claim 1, wherein the circumferential surfaces of the upper stalk-pulling roll and the lower stalk-pulling roll are respectively provided with engaging teeth.
10. A four-row combined stem and ear corn harvester, characterized by comprising a four-row combined stem and ear corn harvester header as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221576527.5U CN217826000U (en) | 2022-06-22 | 2022-06-22 | Four-row corn harvester capable of harvesting stems and ears and header thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221576527.5U CN217826000U (en) | 2022-06-22 | 2022-06-22 | Four-row corn harvester capable of harvesting stems and ears and header thereof |
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| Publication Number | Publication Date |
|---|---|
| CN217826000U true CN217826000U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221576527.5U Active CN217826000U (en) | 2022-06-22 | 2022-06-22 | Four-row corn harvester capable of harvesting stems and ears and header thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217826000U (en) |
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2022
- 2022-06-22 CN CN202221576527.5U patent/CN217826000U/en active Active
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