CN112715171A - Axial adjustable threshing device with conical surface - Google Patents
Axial adjustable threshing device with conical surface Download PDFInfo
- Publication number
- CN112715171A CN112715171A CN202110094241.7A CN202110094241A CN112715171A CN 112715171 A CN112715171 A CN 112715171A CN 202110094241 A CN202110094241 A CN 202110094241A CN 112715171 A CN112715171 A CN 112715171A
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- China
- Prior art keywords
- conical surface
- conical
- roller
- threshing
- main shaft
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- 239000010902 straw Substances 0.000 claims abstract description 48
- 241000251169 Alopias vulpinus Species 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 235000013339 cereals Nutrition 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
- A01F12/22—Threshing cylinders with teeth
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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
- A01F12/24—One-part threshing concaves
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention relates to the technical field of agricultural machinery, in particular to an axial adjustable threshing device with a conical surface, which comprises a rack, a main shaft, conical surface threshing rollers, straw output rollers, end covers and conical surface concave plates, wherein the main shaft is rotationally connected to the rack, the conical surface threshing rollers and the straw output rollers are connected to the main shaft, the conical surface threshing rollers are connected to the left side of the straw output rollers, the two end covers are arranged, one end cover is connected to the right side of the straw output rollers, the other end cover is connected to the left side of the conical surface threshing rollers, the conical surface concave plates are connected to the rack, the conical surface concave plates are connected below the conical surface threshing rollers and the straw output rollers, when the conical surface threshing rollers move axially, gaps between the conical surface threshing rollers and the conical surface concave plates are changed, and the end covers are adopted to effectively prevent straws from winding at the two ends of, Convenient operation and is beneficial to the output of the crushed straws.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to an axial adjustable threshing device with a conical surface.
Background
The grain harvesting is an important operation link in the whole agricultural production process and is characterized by strong seasonality, tight time, heavy task and easy damage caused by the invasion of rain, snow, wind and frost. In the grain harvesting process, threshing is a very important process which has a great influence on both the yield and the quality of the grain.
In the prior art, the traditional threshing method of grains is to lay the harvested and aired grains in a field to beat or roll the grains so as to separate the grains from straws, thereby completing threshing; the conventional threshing device is provided with a spike-tooth roller type disengaging device which mainly comprises a spike-tooth roller and a spike-tooth intaglio. The crops transported to the separation device are grabbed by the spike-tooth roller, and under the action of the centrifugal force of the high-speed rotating roller, the crops are dragged across the spike-tooth concave plate along the cambered surface of the concave plate, and are threshed under the actions of the striking of the spike-teeth and the rubbing and combing between the tooth side and the tooth top. However, in this threshing device, the spacing between the concave plate and the spike teeth of the threshing roller is fixed, and the size of the gap is related to the type of the crop, so that only one type or one type of the cereal can be threshed, and if different types of the cereal are to be threshed, the concave plate needs to be replaced, which increases the cost, reduces the working efficiency and is inconvenient to operate.
Disclosure of Invention
The invention aims to provide an axial adjustable threshing device with a conical surface, which is simple in structure and movement, adjustable in clearance between a threshing roller and a concave plate and lower in cost and can realize threshing of different grains.
In order to solve the technical problem, the invention relates to an axial adjustable threshing device with a conical surface, which comprises a frame, a main shaft, a conical surface threshing roller, a straw output roller, end covers and a conical surface concave plate, wherein the main shaft is rotationally connected to the frame, two ends of the main shaft are rotationally connected to the left end and the right end of the frame through bearings and bearing seats respectively, the conical surface threshing roller and the straw output roller are connected to the main shaft, the conical surface threshing roller is connected to the left side of the straw output roller, one end with a smaller diameter of the conical surface threshing roller is close to the straw output roller, the two end covers are connected to the bearing seats at the left end and the right end of the frame respectively, one end cover is connected to the right side of the straw output roller, the other end cover is connected to the left side of the conical surface threshing roller, the end, the conical surface concave plate is connected to the frame, the conical surface concave plate is connected to the lower portions of the conical surface threshing roller and the straw output roller, a feeding hole is further formed in the frame, and the feeding hole is formed in the left side of the frame.
Furthermore, the conical surface of the conical surface concave plate is divided into a left part and a right part, the conical degree of the left conical surface of the conical surface concave plate is the same as that of the conical surface threshing roller, the left conical surface of the conical surface concave plate is arranged below the conical surface threshing roller, the right conical surface of the conical surface concave plate is an approximate cylindrical surface, and the right conical surface of the conical surface concave plate is arranged below the straw output roller.
Furthermore, the conical threshing roller is connected with the main shaft in a sliding mode, pin holes are formed in the conical threshing roller, pin holes are formed in the main shaft, and pins are inserted into the pin holes in the conical threshing roller and the pin holes in the main shaft.
Furthermore, a plurality of pin holes are formed in the conical surface threshing roller and are distributed along the axial direction of the conical surface threshing roller, a plurality of pin holes are formed in the main shaft, and a pin is inserted into one of the pin holes in the conical surface threshing roller and one of the pin holes in the main shaft.
Furthermore, the main shaft is connected with a spring seat, the spring seat is connected inside the straw output roller, the spring seat is fixedly connected to the main shaft through a clamp spring, a spring is connected between the spring seat and the conical threshing roller, and the spring is sleeved on the main shaft.
The invention has the beneficial effects that: the invention comprises a frame, a main shaft, a conical threshing roller, a straw output roller, end covers and conical concave plates, wherein the main shaft is rotationally connected to the frame, two ends of the main shaft are rotationally connected to the left end and the right end of the frame through a bearing and a bearing seat respectively, the conical threshing roller and the straw output roller are connected to the main shaft, the conical threshing roller is connected to the left side of the straw output roller, two end covers are arranged, one end cover is connected to the right side of the straw output roller, the other end cover is connected to the left side of the conical threshing roller, the conical concave plate is connected to the frame, the conical concave plate is connected below the conical threshing roller and the straw output roller, when the conical threshing roller moves axially, the gap between the conical threshing roller and the conical concave plate is changed, the end covers are adopted to effectively prevent straws from winding at two ends of the main shaft and, is beneficial to the output of the crushed straws.
Drawings
FIG. 1 is an isometric view of the structure of the present invention;
FIG. 2 is a schematic structural diagram of the concave portion of the cone of the present invention.
In the figure: 1. a frame; 2. a main shaft; 3. a conical threshing roller; 4. a straw output roller; 5. an end cap; 6. a feed inlet; 7. a conical surface concave plate; 8. a pin; 9. a spring; 10. a spring seat.
Detailed Description
As shown in figures 1-2, the invention relates to an axial adjustable threshing device with a conical surface, which comprises a frame 1, a main shaft 2, a conical surface threshing roller 3, a straw output roller 4, end covers 5 and a conical surface concave plate 7, wherein the main shaft 2 is rotationally connected to the frame 1, two ends of the main shaft 2 are rotationally connected to the left end and the right end of the frame 1 through bearings and bearing seats respectively, the conical surface threshing roller 3 and the straw output roller 4 are connected to the main shaft 2, the conical surface threshing roller 3 is connected to the left side of the straw output roller 4, the end with the smaller diameter of the conical surface threshing roller 3 is close to the straw output roller 4, the two end covers 5 are arranged, the two end covers 5 are respectively connected to the bearing seats at the left end and the right end of the frame 1, one end cover 5 is connected to the right side of the straw output roller 4, the, the end cover 5 connected on the left side of the conical surface threshing roller 3 is slightly smaller than the diameter of the larger end of the conical surface threshing roller 3, the conical surface concave plate 7 is connected on the rack 1, the conical surface concave plate 7 is connected below the conical surface threshing roller 3 and the straw output roller 4, the rack 1 is further provided with a feed inlet 6, and the feed inlet 6 is arranged on the left side of the rack 1.
Furthermore, the conical surface of the conical surface concave plate 7 is divided into a left part and a right part, the conical degree of the left conical surface of the conical surface concave plate 7 is the same as that of the conical surface threshing roller 3, the left conical surface of the conical surface concave plate 7 is arranged below the conical surface threshing roller 3, the right conical surface of the conical surface concave plate 7 is an approximate cylindrical surface, and the right conical surface of the conical surface concave plate 7 is arranged below the straw output roller 4.
Furthermore, the conical threshing roller 3 is connected with the main shaft 2 in a sliding mode, pin holes are formed in the conical threshing roller 3, pin holes are formed in the main shaft 2, and pins 8 are inserted into the pin holes in the conical threshing roller 3 and the pin holes in the main shaft 2.
Furthermore, a plurality of pin holes are formed in the conical threshing roller 3 and are distributed along the axial direction of the conical threshing roller 3, a plurality of pin holes are formed in the main shaft 2, and a pin 8 is inserted into one of the pin holes in the conical threshing roller 3 and one of the pin holes in the main shaft 2.
Furthermore, a spring seat 10 is connected to the main shaft 2, the spring seat 10 is connected to the interior of the straw output roller 4, the spring seat 10 is fixedly connected to the main shaft 2 through a snap spring, a spring 9 is connected between the spring seat 10 and the conical threshing roller 3, and the spring 9 is sleeved on the main shaft 2.
The conical threshing roller 3 is connected to the main shaft 2 through a spline, the conical threshing roller 3 rotates along with the main shaft 2, but the axial movement of the conical threshing roller 3 on the main shaft 2 is not limited; the larger ends of the straw output roller 4 and the conical threshing roller 3 are both hollow structures, and the end cover 5 is provided with a blocking hollow structure to seal the hollow structures, so that the straws are prevented from being wound at the two ends of the main shaft 2 and entering the straw output roller 4 to cause blockage; the axial position of the conical threshing roller 3 is adjusted, so that the gap between the conical threshing roller 3 and the conical concave plate 7 is changed, a plurality of grains can be threshed, and the right end of the conical concave plate 7 is beneficial to the output of straws; one end of the spring 9 is limited by the spring seat 10, and the other end of the spring 9 enables the threshing roller 3 to be always stressed and move leftwards; the arrangement of the pin holes on the conical threshing roller 3, the pin holes on the main shaft 2 and the pins 8 ensures that the conical threshing roller 3 is positioned on the main shaft 2 and limits the movement of the conical threshing roller 3 on the main shaft 2.
The adjusting mode of the invention is as follows: the conical threshing roller 3 is axially moved by applying an axial force to the conical threshing roller through manpower, the spring 9 is compressed, when the gap between the conical threshing roller 3 and the conical concave plate 7 reaches a required value, the pin 9 is inserted into the pin hole of the main shaft 2 to limit the resetting of the conical threshing roller 3 due to the elasticity of the spring 9, and therefore the size of the gap between the conical threshing roller 3 and the conical concave plate 7 is adjusted.
The invention designs the conical surface concave plate 7 and the conical surface threshing roller 3 as conical surfaces, when the conical surface threshing roller 3 moves axially, the gap between the conical surface threshing roller and the conical surface concave plate 7 is changed, and the spring 9 and the adjusting pin 8 are adopted to adjust the axial displacement of the conical surface threshing roller 3 according to the adjusting method, so that the invention can carry out threshing operation on different grains, and has simple structure and convenient operation. When the conical threshing roller 3 moves axially, the end part of the conical threshing roller has a larger gap, crop straws are easy to wind in the gap, and the end covers 5 are adopted to effectively prevent the straws from winding at the two ends of the main shaft 2 and entering the straw output roller 4 to cause blockage.
Claims (5)
1. The utility model provides a thresher with adjustable conical surface is axial which characterized in that: comprises a frame (1), a main shaft (2), a conical threshing roller (3), a straw output roller (4), end covers (5) and a conical concave plate (7), wherein the main shaft (2) is rotationally connected to the frame (1), two ends of the main shaft (2) are rotationally connected to the left end and the right end of the frame (1) through bearings and bearing seats respectively, the conical threshing roller (3) and the straw output roller (4) are connected to the main shaft (2), the conical threshing roller (3) is connected to the left side of the straw output roller (4), one end of the conical threshing roller (3) with smaller diameter is close to the straw output roller (4), the two end covers (5) are arranged, the two end covers (5) are respectively connected to the bearing seats at the left end and the right end of the frame (1), one end cover (5) is connected to the right side of the straw output roller (4), the other end cover (5) is connected to the left side of the conical threshing roller (3), the end cover (5) connected, the end cover (5) connected to the left side of the conical surface threshing roller (3) is slightly smaller than the diameter of the larger end of the conical surface threshing roller (3), the conical surface concave plate (7) is connected to the rack (1), the conical surface concave plate (7) is connected to the lower sides of the conical surface threshing roller (3) and the straw output roller (4), the rack (1) is further provided with a feed inlet (6), and the feed inlet (6) is arranged on the left side of the rack (1).
2. The axial adjustable threshing device with a conical surface as claimed in claim 1, wherein: the conical surface of the conical surface concave plate (7) is divided into a left part and a right part, the conical degree of the left conical surface of the conical surface concave plate (7) is the same as that of the conical surface threshing roller (3), the left conical surface of the conical surface concave plate (7) is arranged below the conical surface threshing roller (3), the right conical surface of the conical surface concave plate (7) is an approximate cylindrical surface, and the right conical surface of the conical surface concave plate (7) is arranged below the straw output roller (4).
3. The axial adjustable threshing device with a conical surface as claimed in claim 2, characterized in that: the conical threshing roller (3) is connected with the main shaft (2) in a sliding mode, pin holes are formed in the conical threshing roller (3), pin holes are formed in the main shaft (2), and pins (8) are inserted in the pin holes in the conical threshing roller (3) and the pin holes in the main shaft (2).
4. The axial adjustable threshing device with a conical surface as claimed in claim 3, wherein: the threshing roller is characterized in that a plurality of pin holes are formed in the conical surface threshing roller (3), the pin holes are axially distributed along the conical surface threshing roller (3), a plurality of pin holes are formed in the main shaft (2), and a pin (8) is inserted into one of the pin holes in the conical surface threshing roller (3) and one of the pin holes in the main shaft (2).
5. The axial adjustable threshing device with a conical surface as claimed in claim 3, wherein: the straw threshing machine is characterized in that a spring seat (10) is connected onto the main shaft (2), the spring seat (10) is connected to the interior of the straw output roller (4), the spring seat (10) is fixedly connected onto the main shaft (2) through a clamp spring, a spring (9) is connected between the spring seat (10) and the conical threshing roller (3), and the spring (9) is sleeved on the main shaft (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110094241.7A CN112715171A (en) | 2021-01-25 | 2021-01-25 | Axial adjustable threshing device with conical surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110094241.7A CN112715171A (en) | 2021-01-25 | 2021-01-25 | Axial adjustable threshing device with conical surface |
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Publication Number | Publication Date |
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CN112715171A true CN112715171A (en) | 2021-04-30 |
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CN202110094241.7A Pending CN112715171A (en) | 2021-01-25 | 2021-01-25 | Axial adjustable threshing device with conical surface |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113767752A (en) * | 2021-10-09 | 2021-12-10 | 石河子大学 | Corn kernel harvester for intercropping |
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2021
- 2021-01-25 CN CN202110094241.7A patent/CN112715171A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113767752A (en) * | 2021-10-09 | 2021-12-10 | 石河子大学 | Corn kernel harvester for intercropping |
CN113767752B (en) * | 2021-10-09 | 2024-04-12 | 石河子大学 | Corn kernel harvester for intercropping |
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Application publication date: 20210430 |