CN216017833U - Multifunctional grain combine harvester with interchangeable threshing cylinder and concave plate sieve - Google Patents
Multifunctional grain combine harvester with interchangeable threshing cylinder and concave plate sieve Download PDFInfo
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- CN216017833U CN216017833U CN202122316894.3U CN202122316894U CN216017833U CN 216017833 U CN216017833 U CN 216017833U CN 202122316894 U CN202122316894 U CN 202122316894U CN 216017833 U CN216017833 U CN 216017833U
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Abstract
The utility model discloses a multifunctional grain combine harvester with interchangeable threshing cylinders and concave plate sieves, which comprises a chassis frame with wheels, wherein a conveying gap bridge is arranged on the chassis frame, a header is arranged at the front end of the conveying gap bridge, an axial flow cylinder, a straw chopper and a straw spreader are sequentially arranged at the discharge end of the conveying gap bridge, and the concave plate sieves are arranged at the bottom of the axial flow cylinder; the header is a rice and wheat header or a corn header; the axial flow roller is a spike-tooth type axial flow roller or a threaded rod rubbing block type axial flow roller; the concave plate sieve is a rice and wheat concave plate sieve or a corn concave plate sieve; the middle part of the corrugated rod rubbing block type axial flow roller main body is provided with corrugated rod rubbing blocks which are arranged in a spiral line shape. The utility model can realize the reloading of two threshing and separating parts of rice, wheat and corn, has convenient reloading process, can form two harvesters with completely different threshing and separating structures, realizes multiple purposes, strong adaptability, high cost performance, high operating efficiency and good receiving effect.
Description
Technical Field
The utility model relates to a multifunctional grain combine harvester with a threshing cylinder and a concave plate sieve which can be interchanged, belonging to the technical field of agricultural mechanical equipment.
Background
At present, the basic components of the multifunctional grain combine harvester at home and abroad are the same and all comprise a header, a conveying gap bridge, a threshing system, a separating system, a cleaning structure, grain lifting and transporting, impurity lifting and transporting, a granary, a chassis system, a cab operating system, a power system, a hydraulic electric appliance system and the like.
But the threshing and separating device is different, two different structure types are formed, one is a spike-tooth type axial flow roller which is mainly suitable for harvesting grain crops such as rice, wheat and rice, and the other is a threaded rod rubbing block type axial flow roller which is suitable for mainly harvesting corn and harvesting other crops; the threshing separation parts in the two structural machine types can not be replaced, so that the multiple purposes of one machine can not be realized, and the adaptability and the cost performance of the single machine are poor.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multifunctional grain combine harvester with interchangeable threshing cylinders and concave plate sieves, which is reasonable in structure, can realize the replacement of two threshing and separating parts of rice and wheat and corn, is convenient and quick in replacement process, can form two harvesters with completely different threshing and separating structures, and has the advantages of one machine with multiple purposes, strong adaptability, high cost performance, high operation efficiency and good receiving effect.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a multifunctional grain combine harvester capable of interchanging a threshing cylinder and a concave sieve comprises a chassis frame with wheels, wherein a conveying gap bridge is installed on the chassis frame, a header is installed at the front end of the conveying gap bridge, an axial flow cylinder, a straw chopper and a straw spreader are sequentially installed at the discharge end of the conveying gap bridge, and the concave sieve is installed at the bottom of the axial flow cylinder;
the header is a rice and wheat header or a corn header;
the axial flow roller is a spike-tooth type axial flow roller or a threaded rod rubbing block type axial flow roller;
the concave plate sieve is a rice and wheat concave plate sieve or a corn concave plate sieve;
the middle part of the corrugated rod rubbing block type axial flow roller main body is provided with corrugated rod rubbing blocks which are arranged in a spiral line shape.
Furthermore, a power system, a seed and impurity lifting device, a fan vibration cleaning sieve mechanism, a cab operating mechanism and a granary are further arranged on the chassis frame.
Furthermore, the number of the spiral lines is 6, the adjacent spiral lines are arranged at equal intervals, and a plurality of threaded rod rubbing blocks are distributed on each spiral line.
Furthermore, the middle part of the spike-tooth type axial flow roller main body is provided with spike teeth.
Furthermore, the front end and the rear end of the threaded rod rubbing block type axial flow roller are identical in structure to those of the spike-tooth type axial flow roller, and the diameter of the outermost end of the threaded rod rubbing block type axial flow roller is equal to that of the outermost end of the spike-tooth type axial flow roller.
Further, the width and the external connection size of the corn concave plate sieve and the rice and wheat concave plate sieve are the same.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
the utility model has reasonable structure, realizes the replacement of two threshing and separating parts of rice, wheat and corn, forms two harvesters with completely different threshing and separating structures, realizes multiple purposes, strong adaptability, high cost performance, high operating efficiency and good harvesting effect;
the utility model can meet the requirements of replacing two threshing parts, only needs to disassemble and replace parts without using any welding, trimming and grinding tools, and can assemble two harvesters with completely different threshing and separating structures by replacing the threshing roller, the concave sieve and the header in the frame under the condition that other functional parts are not changed;
the utility model has simple and convenient disassembly and replacement, and can be replaced by only disassembling the conveying gap bridge during replacement, thereby reducing the machine purchasing cost of agricultural machinery users and improving the utilization rate of machines and tools.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of the axial-flow spike-type roller according to embodiment 1;
FIG. 3 is a schematic view showing the construction of a rice and wheat concave screen in example 1;
FIG. 4 is a schematic structural view of example 2;
FIG. 5 is a schematic structural view of a rasp bar and twisted block type axial flow drum in embodiment 2;
FIG. 6 is a schematic view of the corn concave screen of example 2.
In the figure, 1-a rice and wheat header, 2-a conveying gap bridge, 3-a cab operating mechanism, 4-a chassis frame, 5-a spike-tooth type axial flow roller, 6-a rice and wheat concave plate sieve, 7-a granary, 8-a seed and impurity lifting device, 9-a power system, 10-a fan vibration cleaning sieve mechanism, 11-a straw chopper, 12-a straw spreader, 13-a corn header, 14-a rasp rod rubbing block type axial flow roller and 15-a corn concave plate sieve.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
Example 1
As shown in figures 1-3, the utility model provides a multifunctional grain combine harvester with interchangeable threshing cylinders and concave plate sieves, which comprises a chassis frame 4 with wheels, wherein a power system 9, a conveying bridge 2, a grain and impurity lifting device 8, a fan vibrating sorting sieve mechanism 10, a cab operating mechanism 3 and a granary 7 are arranged on the chassis frame 4.
The front end of the conveying gap bridge 2 is provided with a rice and wheat cutting table 1, and the discharge end of the conveying gap bridge 2 is sequentially provided with a spike-tooth type axial flow roller 5, a straw chopper 11 and a straw sprinkler 12; the bottom of the spike-tooth type axial flow roller 5 is provided with a rice and wheat concave plate sieve 6.
The middle part of the main body of the spike-tooth type axial flow roller 5 is provided with spike teeth.
The operation flow is as follows:
when the rice and wheat are harvested, the crop is pushed into the cutter by the reel on the rice and wheat header 1, the crop stem is rapidly cut off under the reciprocating cutting action of the cutter and is sent to the auger, and then the crop stem is fed into the inclined conveying gap bridge 2 by the auger; then the crops are sent into a spike-tooth type axial flow roller 5 by a bridge rake rod, kneading and combing are carried out under the matching of the spike-tooth type axial flow roller 5 and a rice and wheat concave plate screen combination 6, the threshing is finished, the grain threshed objects fall into a winnowing vibration sorting screen mechanism 10, the stalks are chopped and scattered to return to the field by a straw chopper 11 and a straw spreader 12 at the tail part of the spike-tooth type axial flow roller 5, and the grains fall into a sorting screen; under the action of the fan, chaff and impurities in the fallen grain threshing material are blown out; under the action of the sieve, the completely removed seeds fall into the seed elevator in the seed and impurity elevator 8 and are conveyed to the granary 7, and the un-removed seeds fall into the impurity elevator in the seed and impurity elevator 8 and are conveyed back to the spike-type axial flow roller 5 for secondary re-removal. And finally, the driver controls the grain unloading barrel to finish grain unloading.
Example 2
As shown in fig. 4-6, the utility model provides a multifunctional grain combine harvester with interchangeable threshing cylinders and concave plate sieves, which comprises a chassis frame 4 with wheels, wherein a power system 9, a conveying bridge 2, a grain and impurity lifting device 8, a fan vibrating sorting sieve mechanism 10, a cab operating mechanism 3 and a granary 7 are arranged on the chassis frame 4.
The front end of the conveying gap bridge 2 is provided with a corn cutting table 13, and the discharge end of the conveying gap bridge 2 is sequentially provided with a threaded rod rubbing block type axial flow roller 14, a straw chopper 11 and a straw thrower 12; the bottom of the threaded rod rubbing block type axial flow roller 14 is provided with a corn concave plate sieve 15.
The middle part of the main body of the corrugated rod rubbing block type axial flow roller 14 is provided with corrugated rod rubbing blocks which are arranged in a spiral line shape, the number of the spiral lines is 6, the adjacent spiral lines are arranged at equal intervals, and a plurality of corrugated rod rubbing blocks are distributed on each spiral line.
The structure of the front end and the rear end of the threaded rod rubbing block type axial flow roller 14 are the same as that of the front end and the rear end of the spike-tooth type axial flow roller 5, the diameter of the outermost end of the threaded rod rubbing block type axial flow roller 14 after the threaded rod rubbing block is installed is equal to that of the outermost end of the spike-tooth type axial flow roller 5 after the spike teeth are installed, and the convenience in installation and replacement of the two axial flow rollers can be guaranteed.
The width and the external connection size of the corn concave plate sieve 15 and the rice and wheat concave plate sieve 6 are consistent, so that the convenience of installation and replacement can be ensured; the corn concave sieve 15 and the rice and wheat concave sieve 6 are different in concave rib arrangement and concave rib gap size.
The operation flow is as follows:
when harvesting corn crops, the corn crops are poked into a crop channel through a poking chain on a corn header 12, straws are pulled to the ground by a knife-type stem pulling roller at the lower part, corn ears are picked off and are poked into a header auger by the poking chain, then the corn ears enter a conveying bridge 2, the materials are conveyed into a threaded rod rubbing block type axial flow roller 14 and a corn concave plate sieve 15 through the conveying bridge 2, the materials are subjected to rotary rubbing and combing threshing through threaded rod rubbing blocks and concave plate sieves spirally arranged on the threaded rod rubbing block type axial flow roller 14, and the materials are subjected to rotary separation in the backward spiral pushing process. The separated seeds fall on a winnowing vibration cleaning sieve mechanism 10 positioned at the lower part of a corn concave sieve 15, and the separated materials are chopped by a straw chopper 11 and a straw sprinkler 12 and are sprinkled and returned to the field; under the action of the fan, chaff and impurities in the fallen grain threshing material are blown out; under the action of the sieve, the completely removed grains fall into a grain elevator in the grain and impurity elevator 8 and are conveyed to a granary 7; the unpurified kernels fall into an impurity elevator in the kernel and impurity elevator 8 and are conveyed back to the threshing cylinder for secondary threshing. And finally, the driver controls the grain unloading barrel to finish grain unloading.
The utility model has reasonable structure, realizes the replacement of two threshing and separating parts of rice, wheat and corn, forms two harvesters with completely different threshing and separating structures, realizes multiple purposes, strong adaptability, high cost performance, high operating efficiency and good harvesting effect.
The utility model can meet the requirements of replacing two threshing parts, only needs to disassemble and replace parts without using any welding, trimming and grinding tools, and can assemble two harvesters with completely different threshing and separating structures by replacing the threshing roller, the concave sieve and the header in the frame under the condition that other functional parts are not changed.
The utility model has simple disassembly and replacement, and can be exchanged only by disassembling the conveying gap bridge 2 during replacement, thereby reducing the machine purchasing cost of farmers and improving the utilization rate of machines and tools.
The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (6)
1. A multifunctional grain combine harvester with interchangeable threshing cylinder and concave sieve, comprising a chassis frame (4) with wheels, characterized in that: a conveying gap bridge (2) is installed on the chassis frame (4), a header is installed at the front end of the conveying gap bridge (2), an axial flow roller, a straw chopper (11) and a straw spreader (12) are sequentially installed at the discharge end of the conveying gap bridge (2), and a concave plate sieve is installed at the bottom of the axial flow roller;
the header is a rice and wheat header (1) or a corn header (13);
the axial flow roller is a spike-tooth type axial flow roller (5) or a threaded rod and rubbing block type axial flow roller (14);
the concave plate sieve is a rice and wheat concave plate sieve (6) or a corn concave plate sieve (15);
the middle part of the main body of the corrugated rod rubbing block type axial flow roller (14) is provided with corrugated rod rubbing blocks which are arranged in a spiral line shape.
2. The multifunctional grain combine harvester with interchangeable threshing cylinder and concave sieve of claim 1, wherein: and the chassis frame (4) is also provided with a power system (9), a seed and impurity lifting device (8), a fan vibration cleaning sieve mechanism (10), a cab operating mechanism (3) and a granary (7).
3. The multifunctional grain combine harvester with interchangeable threshing cylinder and concave sieve of claim 1, wherein: the number of the spiral lines is 6, the adjacent spiral lines are arranged at equal intervals, and a plurality of threaded rod rubbing blocks are distributed on each spiral line.
4. The multifunctional grain combine harvester with interchangeable threshing cylinder and concave sieve of claim 1, wherein: the middle part of the spike-tooth type axial flow roller (5) main body is provided with spike teeth.
5. The multifunctional grain combine harvester with interchangeable threshing cylinder and concave sieve of claim 1, wherein: the structure of the front end and the rear end of the threaded rod rubbing block type axial flow roller (14) is the same as that of the front end and the rear end of the spike-tooth type axial flow roller (5), and the diameter of the outermost end of the threaded rod rubbing block type axial flow roller (14) is equal to that of the outermost end of the spike-tooth type axial flow roller (5).
6. The multifunctional grain combine harvester with interchangeable threshing cylinder and concave sieve of claim 1, wherein: the width and the external connection size of the corn concave plate sieve (15) and the rice and wheat concave plate sieve (6) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316894.3U CN216017833U (en) | 2021-09-24 | 2021-09-24 | Multifunctional grain combine harvester with interchangeable threshing cylinder and concave plate sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122316894.3U CN216017833U (en) | 2021-09-24 | 2021-09-24 | Multifunctional grain combine harvester with interchangeable threshing cylinder and concave plate sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216017833U true CN216017833U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122316894.3U Active CN216017833U (en) | 2021-09-24 | 2021-09-24 | Multifunctional grain combine harvester with interchangeable threshing cylinder and concave plate sieve |
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| Country | Link |
|---|---|
| CN (1) | CN216017833U (en) |
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2021
- 2021-09-24 CN CN202122316894.3U patent/CN216017833U/en active Active
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Denomination of utility model: A multifunctional grain combine harvester with interchangeable threshing drum and concave screen Effective date of registration: 20230323 Granted publication date: 20220315 Pledgee: Gaomi Chaoyang sub branch of Bank of Weifang Co.,Ltd. Pledgor: Shandong Tiankai Zhongrui Machinery Technology Co.,Ltd. Registration number: Y2023980035686 |