CN115280980A - Threshing system with spiral spike tooth feeding device and harvester - Google Patents
Threshing system with spiral spike tooth feeding device and harvester Download PDFInfo
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- CN115280980A CN115280980A CN202211020182.XA CN202211020182A CN115280980A CN 115280980 A CN115280980 A CN 115280980A CN 202211020182 A CN202211020182 A CN 202211020182A CN 115280980 A CN115280980 A CN 115280980A
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- threshing
- spike
- tooth
- cylinder
- feeding roller
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/10—Feeders
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
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- Threshing Machine Elements (AREA)
Abstract
The invention discloses a threshing system with a spiral spike tooth feeding device, which comprises a threshing cylinder and a feeding roller, wherein the threshing cylinder is longitudinally arranged; the feeding roller transverse arrangement is in threshing cylinder's front end, and the feeding roller is greater than threshing cylinder along horizontal external diameter width Dg along horizontal length LW, and the feeding roller includes roll body and a plurality of spike-tooth, and a plurality of spike-tooth are located on the week side of roll body and are the spiral and distribute for with cereal direction to threshing cylinder's front end. The feeding roller adopts the spike-tooth structure, so that the grabbing capacity of grains can be enhanced, the capacity of the feeding roller for conveying the grains to the threshing cylinder is improved, and the threshing efficiency of the grains is effectively enhanced; after the grains enter the feeding roller, the positions of the grains entering the threshing cylinder can be adjusted through the spike-tooth structures spirally distributed on the feeding roller, the grains are guided to the upward rotating side of the threshing cylinder, the possibility of blockage of the grains at the feeding port of the threshing cylinder is reduced, and the threshing efficiency is further improved.
Description
Technical Field
The invention relates to the field of agricultural machinery, in particular to a threshing system with a spiral spike-tooth feeding device and a harvester.
Background
At present, a longitudinal axial flow threshing system of an existing combine harvester generally has no feeding device at the front end of a threshing cylinder or adopts a common plate tooth type structure mostly, the common plate tooth type feeding devices are transversely arranged at the front end of the longitudinally arranged threshing cylinder, the common plate tooth type feeding devices directly convey grains to the threshing cylinder at the bottom of the feeding cylinder along the radial direction parallel to the feeding device, but because the threshing cylinder rotates on one side, when the common plate tooth type feeding devices are adopted to convey the grains to the threshing cylinder, the problem that one side of the threshing cylinder rotating downwards is blocked at the feeding port is easy to occur; in addition, the common plate tooth type feeding device has poor grain grabbing capacity, so that the capacity of the feeding device for conveying grains to the threshing cylinder is easily reduced, the problem of uneven feeding is easily caused, the efficiency of the whole threshing system is low, the performance of the use performance of the machine is seriously influenced, and the harvesting effect is influenced.
Disclosure of Invention
The invention discloses a threshing system with a spiral spike tooth feeding device and a harvester, aiming at improving the grain harvesting and threshing efficiency and reducing the possibility of blockage at a feeding port when a feeding device conveys grains to a threshing cylinder.
The invention is realized by the following technical scheme:
threshing system with helical spike-tooth feeding device, comprising:
a threshing cylinder arranged longitudinally;
the feeding roller, its transverse arrangement is in threshing cylinder's front end, and the feeding roller is greater than threshing cylinder along horizontal external diameter width Dg along horizontal length LW, and the feeding roller includes roll body and a plurality of spike-teeth, and a plurality of spike-teeth are located on the week side of roll body and are the spiral and distribute for lead cereal to threshing cylinder's front end.
Furthermore, a plurality of nail teeth form a first screwing direction nail tooth group and a second screwing direction nail tooth group on the circumferential side surface of the roller body, the distribution screwing direction of the nail teeth of the first screwing direction nail tooth group is opposite to the distribution screwing direction of the nail teeth of the second screwing direction nail tooth group, and the first screwing direction nail tooth group and the second screwing direction nail tooth group are respectively positioned at two ends of the roller body in the transverse direction.
Furthermore, the first rotary nail tooth group and the second rotary nail tooth group are symmetrically arranged relative to the transverse central line of the feeding roller, or the first rotary nail tooth group and the second rotary nail tooth group are distributed in an offset manner relative to the transverse central line of the feeding roller.
Furthermore, when the threshing cylinder rotates clockwise, the arrangement and rotation direction of the spike teeth on the feeding roller is right-handed; when the threshing cylinder rotates anticlockwise, the arrangement and rotation direction of the spike teeth on the feeding roller is left-handed.
Further, the spike teeth are welded or bolted to the roll body.
Furthermore, the welded or bolted nail teeth on the feeding roller have a backward-inclined angle with the rotating direction.
Furthermore, the threshing system with the spiral spike tooth feeding device also comprises a flow guide cover positioned above the threshing cylinder and a material receiving concave plate positioned below the threshing cylinder.
Furthermore, threshing cylinder includes the cylinder body and cylinder conical head, and cylinder conical head is located the front end of cylinder body, and the front portion of cylinder conical head is equipped with spiral propelling blade, and the rear portion of cylinder conical head is equipped with conical head threshing element district, and conical head threshing element district intersects with spiral propelling blade and converges, and conical head threshing element district is including a plurality of conical head threshing element.
Furthermore, the threshing system with the spiral spike tooth feeding device also comprises a bridge mechanism, wherein the bridge mechanism is positioned at the front end of the feeding roller, and the width of the bridge mechanism in the transverse direction is equivalent to the length LW of the feeding roller in the transverse direction.
The invention discloses a harvester which comprises a threshing system with a spiral spike tooth feeding device.
Compared with the prior art, the invention has the following advantages:
the feeding roller adopts the spike-tooth structure, so that the grabbing capacity of grains can be enhanced, the capacity of the feeding roller for conveying the grains to the threshing cylinder is improved, and the threshing efficiency of the grains is effectively enhanced; after grains enter the feeding roller, the position of the grains entering the threshing cylinder can be adjusted through the spike-tooth structures spirally distributed on the feeding roller, so that the grains are conveyed to the spacious feeding port of the threshing cylinder, the possibility of blockage of the grains at the feeding port of the threshing cylinder is reduced, and the threshing efficiency is further improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a top view of the threshing system with the helical spike-tooth feeding device disclosed in example 1.
Fig. 2 is a schematic side sectional structure of the threshing system with the spiral spike feeding device disclosed in fig. 1.
Fig. 3 is a schematic structural view of the feeding roller disclosed in fig. 1.
Fig. 4 is a schematic view of the grain flow in the threshing system with screw tooth feeding device disclosed in example 1.
Fig. 5 is a schematic view of the structure of the threshing cylinder disclosed in fig. 1.
Fig. 6 is a schematic view of the grain flow in the threshing system with screw tooth feeding device disclosed in example 2.
Fig. 7 is a schematic view of the grain flow in the threshing system with the screw tooth feeding device disclosed in example 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Example 1: the embodiment discloses a harvester, which comprises a threshing system with a spiral spike tooth feeding device shown in figures 1 and 2, wherein the threshing system with the spiral spike tooth feeding device comprises a threshing cylinder 1 and a feeding roller 2 shown in figure 3, and the threshing cylinder 1 is longitudinally arranged; the feeding roller 2 is transversely arranged at the front end of the threshing cylinder 1, the feeding roller 2 is larger than the threshing cylinder 1 along the transverse outer diameter width Dg along the transverse length LW, the feeding roller 2 comprises a roller body 21 and a plurality of spike teeth 22, and the spike teeth 22 are arranged on the peripheral side surface of the roller body 21 and are spirally distributed for guiding grains to the front end of the threshing cylinder 1. The feed roller 2 of this embodiment can strengthen the ability of snatching cereal through adopting spike tooth 22 structure to improve feed roller 2 and carry the ability of cereal to threshing cylinder 1, effectively strengthen the threshing efficiency of cereal. After grains enter the feeding roller 2, the position of the grains entering the threshing cylinder 1 can be adjusted through the spike teeth 22 spirally distributed on the feeding roller 2, as shown in fig. 4, the grains can be guided to one side of the threshing cylinder 1 which rotates upwards, so that the grains are conveyed to the spacious feeding port of the threshing cylinder 1, specifically, the arrangement and rotation direction of the spike teeth 22 on the feeding roller 2 can be right-handed when the threshing cylinder 1 rotates clockwise, and the arrangement and rotation direction of the spike teeth 22 on the feeding roller 2 can be left-handed when the threshing cylinder 1 rotates anticlockwise. Therefore, grains are prevented from being concentrated on one side of the threshing cylinder 1 which rotates downwards, the possibility that the grains are blocked at the feeding port of the threshing cylinder 1 is reduced, the problem that the left side and the right side of the feeding port are blocked due to the fact that the diameter of the threshing cylinder 1 which is longitudinally arranged is smaller than the transverse length of the feeding roller 2 is avoided, and threshing efficiency is further improved.
Specifically, the spikes 22 are welded to the roller body 21 or bolted to the roller body 21. The spike teeth 22 on the feeding roller 2 can adopt corresponding welding or bolting spike teeth arrangement modes according to different specific feeding port structures so as to meet the overall structural requirements of the harvester. In addition, in order to increase the flow guiding effect of the grains on the feed roller 2, the spike teeth 22 welded or bolted to the roller body 21 extend obliquely on the roller body 21 away from the direction of rotation of the roller body 21.
Furthermore, the welded or bolted spike teeth 22 on the feed roll 2 have a back-rake angle with the direction of rotation. The flow guiding effect of the spike teeth 22 on the grains is enhanced.
Further, in order to improve the threshing efficiency, the threshing system with the spiral spike-tooth feeding device also comprises a flow guide cover 5 positioned above the threshing cylinder 1, wherein the flow guide cover 5 is used for ensuring that grains move along the threshing cylinder 1; in order to facilitate the collection of threshed grains, the threshing system with the spiral spike-tooth feeding device also comprises a material receiving concave plate 6 positioned below the threshing cylinder 1.
Further, as shown in fig. 5, the threshing cylinder 1 includes a cylinder body 11 and a cylinder conical head 12, the cylinder conical head 12 is located at the front end of the cylinder body 11, the front portion of the cylinder conical head 12 is provided with a spiral pushing blade 7, the rear portion of the cylinder conical head 12 is provided with a conical head threshing element area 8, the conical head threshing element area 8 and the spiral pushing blade 7 meet each other, and the conical head threshing element area 8 includes a plurality of conical head threshing elements 81.
Further, in order to effectively convey the grains to the feeding roller 2, the threshing system with the spiral spike-tooth feeding device further comprises a bridge mechanism 9, wherein the bridge mechanism 9 is positioned at the front end of the feeding roller 2, and the width of the bridge mechanism 9 in the transverse direction is equivalent to the length LW of the feeding roller 2 in the transverse direction. So that the feeding roller 2 can grab the grains on the bridge mechanism 9 completely.
The threshing system with the spiral spike tooth feeding device of the embodiment is characterized in that a transversely arranged feeding roller 2 with spiral spike teeth 22 is arranged at the front end of a longitudinal threshing cylinder 1, and the transverse length LW of the feeding roller 2 is equivalent to the width of a gap bridge mechanism 9 arranged at the front end and is larger than the outer diameter Dg of the longitudinally arranged threshing cylinder 1. Like this feeding roller 2 just can easily grab the cereal that gap bridge mechanism 9 conveyed and come, because spike tooth 22 spiral arrangement can lead the position of cereal water conservancy diversion to difficult jam on the roll body 21 of feeding roller 2 again, therefore crops such as the applicable big feed quantity of results, wheat have the efficient technological effect of results.
Example 2: as shown in fig. 6, the present embodiment is different from the first embodiment in that a plurality of teeth 22 form a first radial set of teeth 3 and a second radial set of teeth 4 on the circumferential side surface of the roll body 21, the distribution of the teeth of the first radial set of teeth 3 is opposite to the distribution of the teeth of the second radial set of teeth 4, and the first radial set of teeth 3 and the second radial set of teeth 4 are respectively located at both ends of the roll body 21 in the lateral direction. Specifically, the first rotary direction nail tooth group 3 and the second rotary direction nail tooth group 4 are symmetrically arranged relative to the transverse center line of the feeding roller 2. The feeding roller 2 is provided with two spike teeth 3 with opposite rotation directions to match with the threshing roller 1 positioned between the two ends of the feeding roller 2 to gather grains, so that the feeding efficiency is further improved, and the feeding device is suitable for the types of crops with larger harvesting and feeding amounts.
Example 3: as shown in fig. 7, the difference between the present embodiment and the second embodiment is that the first radial nail tooth group 3 and the second radial nail tooth group 4 are distributed offset with respect to the transverse center line of the feed roller 2. The first rotary direction nail tooth group 3 and the second rotary direction nail tooth group 4 which are distributed in an offset way can be matched with threshing cylinders 1 with different structures for use so as to efficiently convey grains into the threshing cylinders 1 with corresponding structures for threshing operation.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing 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 present invention.
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by one skilled in the art without departing from the spirit of the invention, and it is intended that such changes and modifications be considered as within the scope of the invention.
Claims (10)
1. Threshing system with spiral spike tooth feeding device which is characterized by comprising:
a threshing cylinder (1) arranged longitudinally;
feeding roller (2), its transversal arrangement in the front end of threshing cylinder (1), feeding roller (2) are greater than along horizontal length LW threshing cylinder (1) along horizontal external diameter width Dg, feeding roller (2) include roll body (21) and a plurality of spike-tooth (22), a plurality of spike-tooth (22) are located on the week side of roll body (21) and be spiral distribution for lead cereal to the front end of threshing cylinder (1).
2. Threshing system with helical spike tooth feeding device according to claim 1, characterized in that said plurality of spike teeth (22) form a first set of spike teeth (3) and a second set of spike teeth (4) on the circumferential side of said roll body (21), the distribution of the spike teeth of said first set of spike teeth (3) having a direction of rotation opposite to the distribution of the spike teeth of said second set of spike teeth (4), said first set of spike teeth (3) and said second set of spike teeth (4) being located laterally at the two ends of said roll body (21), respectively.
3. Threshing system with helical spike teeth feeding device according to claim 2, characterized in that said first (3) and second (4) sets of spike teeth are symmetrically arranged with respect to the transversal centerline of said feeding roller (2), or said first (3) and second (4) sets of spike teeth are offset with respect to the transversal centerline of said feeding roller (2).
4. Threshing system with helical spike-tooth feeding device according to claim 1, characterized in that the spike-tooth (22) arrangement on the feeding roller (2) turns right when the threshing cylinder (1) rotates clockwise; when the threshing cylinder (1) rotates anticlockwise, the arrangement and rotation direction of the spike teeth (22) on the feeding roller (2) is left-handed.
5. Threshing system with helical spike-tooth feed device according to claim 1, characterized in that said spike teeth (22) are welded or bolted to said roller body (21).
6. Threshing system with helical spike tooth feed device according to claim 5, characterised in that the spikes (22) welded or bolted to the feed roller (2) have a backward inclination with respect to the direction of rotation.
7. The threshing system with helical spike tooth feeding device according to claim 1, further comprising a wind deflector (5) located above the threshing cylinder (1) and a material receiving concave plate (6) located below the threshing cylinder (1).
8. The threshing system with a helical spike tooth feeding device according to claim 1, characterized in that the threshing cylinder (1) comprises a cylinder body (11) and a cylinder cone head (12), the cylinder cone head (12) is located at the front end of the cylinder body (11), the front part of the cylinder cone head (12) is provided with a helical pushing blade (7), the rear part of the cylinder cone head (12) is provided with a cone head threshing element area (8), the cone head threshing element area (8) and the helical pushing blade (7) meet each other, and the cone head threshing element area (8) comprises a plurality of cone head threshing elements (81).
9. Threshing system with a helical spike tooth feed device according to claim 1, further comprising a bridging mechanism (9), wherein said bridging mechanism (9) is located at the front end of said feed roller (2), and the width of said bridging mechanism (9) in the transverse direction is equivalent to the length LW of said feed roller (2) in the transverse direction.
10. Harvester, characterized in that it comprises a threshing system with a helical spike-tooth feed device according to any of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211020182.XA CN115280980A (en) | 2022-08-24 | 2022-08-24 | Threshing system with spiral spike tooth feeding device and harvester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211020182.XA CN115280980A (en) | 2022-08-24 | 2022-08-24 | Threshing system with spiral spike tooth feeding device and harvester |
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| CN115280980A true CN115280980A (en) | 2022-11-04 |
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| CN202211020182.XA Pending CN115280980A (en) | 2022-08-24 | 2022-08-24 | Threshing system with spiral spike tooth feeding device and harvester |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341824A (en) * | 2008-08-22 | 2009-01-14 | 江苏大学 | Longitudinally axial flow threshing and separating installation |
| CN102138389A (en) * | 2011-01-25 | 2011-08-03 | 农业部南京农业机械化研究所 | Salicornia bigelovii torr thresher |
| CN103947391A (en) * | 2014-04-08 | 2014-07-30 | 江苏大学 | Double longitudinal axial flow rotary drum negative pressure feeding and shunting device |
| CN106105581A (en) * | 2016-08-11 | 2016-11-16 | 华中农业大学 | With the longitudinally axial flow threshing and separating installation forcing feeding unit |
| CN205847995U (en) * | 2016-07-28 | 2017-01-04 | 山东亚丰农业机械装备有限公司 | The smooth gap bridge feeding system of large-scale grain combine |
| CN111436287A (en) * | 2020-06-01 | 2020-07-24 | 济南大学 | Longitudinal axial flow grain combine harvester threshing cylinder |
| CN111837654A (en) * | 2020-07-30 | 2020-10-30 | 江苏大学 | Corn kernel direct-harvesting threshing and separating device and combine harvester |
| CN113557855A (en) * | 2021-08-20 | 2021-10-29 | 河南中联重科智能农机有限责任公司 | Forced acceleration feeding double longitudinal axial flow threshing and separating device and combine harvester thereof |
-
2022
- 2022-08-24 CN CN202211020182.XA patent/CN115280980A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341824A (en) * | 2008-08-22 | 2009-01-14 | 江苏大学 | Longitudinally axial flow threshing and separating installation |
| CN102138389A (en) * | 2011-01-25 | 2011-08-03 | 农业部南京农业机械化研究所 | Salicornia bigelovii torr thresher |
| CN103947391A (en) * | 2014-04-08 | 2014-07-30 | 江苏大学 | Double longitudinal axial flow rotary drum negative pressure feeding and shunting device |
| CN205847995U (en) * | 2016-07-28 | 2017-01-04 | 山东亚丰农业机械装备有限公司 | The smooth gap bridge feeding system of large-scale grain combine |
| CN106105581A (en) * | 2016-08-11 | 2016-11-16 | 华中农业大学 | With the longitudinally axial flow threshing and separating installation forcing feeding unit |
| CN111436287A (en) * | 2020-06-01 | 2020-07-24 | 济南大学 | Longitudinal axial flow grain combine harvester threshing cylinder |
| CN111837654A (en) * | 2020-07-30 | 2020-10-30 | 江苏大学 | Corn kernel direct-harvesting threshing and separating device and combine harvester |
| CN113557855A (en) * | 2021-08-20 | 2021-10-29 | 河南中联重科智能农机有限责任公司 | Forced acceleration feeding double longitudinal axial flow threshing and separating device and combine harvester thereof |
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