CN110946002A - Threshing method and threshing device of combine harvester and application - Google Patents
Threshing method and threshing device of combine harvester and application Download PDFInfo
- Publication number
- CN110946002A CN110946002A CN201911081453.0A CN201911081453A CN110946002A CN 110946002 A CN110946002 A CN 110946002A CN 201911081453 A CN201911081453 A CN 201911081453A CN 110946002 A CN110946002 A CN 110946002A
- Authority
- CN
- China
- Prior art keywords
- threshing
- cylinder
- screen
- cylindrical
- sieve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
-
- 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
-
- 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
- A01F12/44—Grain cleaners; Grain separators
- A01F12/446—Sieving means
Abstract
The invention discloses a threshing method of a combine harvester with smooth and quick material flow and high threshing efficiency in a threshing device and the threshing device, wherein the threshing device comprises a threshing cylinder and a cylindrical sieve, the threshing cylinder is driven by a threshing driving mechanism to rotate, and the cylindrical sieve is sleeved outside the threshing cylinder; the wall of the cylindrical screen is provided with screen holes, and the whole circumference of the inner wall of the cylindrical screen is provided with spiral grass guiding ribs; a threshing space is formed between the threshing cylinder and the cylinder screen, and a feeding port and an outlet which are communicated with the threshing space; the crops with straws are fed into a threshing space through a feeding hole, the crops with straws are separated from grain and grass through the rotation of a threshing cylinder, the grass is led out from an outlet through spiral grass guiding ribs on a cylindrical sieve, and the grain and fine grass fall into a screening mechanism through sieve holes on the cylindrical sieve; the method is feasible, the threshing device has a simple structure, the semicircular sieve is changed into the cylindrical sieve, and the spiral straw guide ribs are arranged on the whole inner wall of the cylindrical sieve, so that the material in the threshing space flows smoothly, and the grain leakage area is increased; under the same condition, the threshing efficiency can be improved by more than 50%.
Description
Technical Field
The invention relates to a combine harvester, in particular to a threshing method, a threshing device and application of the combine harvester, and particularly relates to a threshing method, a threshing device and application of the combine harvester, wherein materials in the threshing device flow smoothly and quickly, and the threshing efficiency is high.
Background
A grain combine harvester, called as combine harvester for short, is a harvesting machine which can complete the procedures of harvesting grain crops, threshing, separating stalks, removing impurity, etc. at one time and directly obtain grains from the field.
At present, a threshing device of a combine harvester generally comprises a threshing cylinder, a semicircular sieve (also called a concave sieve), a thresher cover and the like, wherein the thresher cover is provided with a grass guiding rib. The patent application with the patent application number of 201810179873.1 and the name of the invention of a combine harvester discloses a threshing device. As shown in fig. 4 and 5 of the specification (fig. 4 and 5 refer to the drawings of patent application No. 201810179873.1), the threshing device includes a threshing cylinder 32, a top plate (i.e., a thresher cover) 34, the threshing cylinder 32 has threshing teeth 32c, a plurality of dust feeding valves 35 (i.e., grass guiding ribs), a receiving net 33 (i.e., a semicircular sieve) arranged on the inner surface side of the top plate 34 of the threshing chamber 31 in a direction along the rotation axis 32a of the threshing cylinder, and arranged in the threshing chamber 31 along the periphery of the lower portion side of the threshing cylinder 32.
When the straw threshing machine works, crops with straws are fed in from an inlet of the threshing device, the rotating threshing cylinder separates grains and straws of the crops, the grains and the fine straws fall into the screening mechanism from sieve pores on the semicircular sieve, and the straws are led out from an outlet by the straw guiding ribs on the inner side of the cover of the threshing machine. Because the grass guiding ribs only occupy a small part of the whole working circumference of the threshing cylinder, the grass discharging speed is slow and the efficiency is low; when the feeding amount slightly exceeds the designed value, the threshing cylinder is easy to block. Meanwhile, the semicircular sieve has small grain leaking area and also influences the working efficiency.
Therefore, a baffle plate is additionally arranged on the thresher cover, sieve holes are formed in the thresher cover, so that the grain leaking area is increased, but after the thresher cover works for a period of time, the fallen grains and fine grass can block the sieve holes in the upper part, so that the function of increasing the grain leaking area is limited.
Disclosure of Invention
The invention aims to provide a threshing method of a combine harvester, a threshing device and application, wherein materials in the threshing device flow smoothly and quickly, and the threshing efficiency is high.
The invention adopts the following technical scheme to realize the purpose of the invention, and discloses a threshing method of a combine harvester, which comprises the following steps:
⑴ the harvesting device sends the crops with straws into a threshing device for threshing and sorting, wherein the threshing device comprises a threshing cylinder and a cylinder screen, the threshing cylinder is driven by a threshing driving mechanism to rotate, the cylinder screen is sleeved outside the threshing cylinder, the cylinder wall of the cylinder screen is provided with screen holes, the whole circumference of the inner wall of the cylinder screen is provided with spiral straw guiding ribs, a threshing space is formed between the threshing cylinder and the cylinder screen, and a feeding port and an outlet are communicated with the threshing space;
⑵ the crops with straws are fed into the threshing space from the inlet, the crops with straws are separated from grain and grass by the rotation of the threshing cylinder, the grass is led out from the outlet by the spiral grass guiding ribs on the cylindrical sieve, and the grain and fine grass fall into the screening mechanism from the sieve pores on the cylindrical sieve.
In order to prevent the top sieve pores of the cylindrical sieve from being blocked, the cylindrical sieve is driven to rotate by a threshing driving mechanism.
In order to ensure the shape of the threshing space to conveniently thresh the crops, the threshing cylinder and the cylinder screen have different rotating axes.
The rotating speed of the cylindrical screen is 1-10 circles/minute.
When crops are wet or weeds are too much, in order to prevent screen holes on the cylindrical screen from being blocked by broken stems and ears, the cleaning mechanism is arranged outside the cylindrical screen, so that the cylindrical screen is cleaned by the cleaning mechanism when the cylindrical screen rotates, and the screen holes on the cylindrical screen are prevented from being blocked; the cleaning mechanism comprises a cleaning shaft driven by the threshing driving mechanism, and a cleaning steel wire is arranged on the cleaning shaft.
A threshing device of a combine harvester comprises a thresher frame, wherein a threshing cylinder driven by a threshing driving mechanism is arranged on the thresher frame, and a cylinder screen is sleeved outside the threshing cylinder; the wall of the cylindrical screen is provided with screen holes, and the whole circumference of the inner wall of the cylindrical screen is provided with spiral grass guiding ribs; a threshing space is formed between the threshing cylinder and the cylinder screen, and a feeding port and an outlet which are communicated with the threshing space; the crops with straws are fed into the threshing space through the feeding hole, the crops with straws are separated from grain and grass through the rotation of the threshing cylinder, the grass is led out from the outlet through the spiral grass guiding ribs on the cylindrical sieve, and the grain and fine grass fall into the screening mechanism from the sieve pores on the cylindrical sieve.
In order to prevent the top sieve pores of the cylindrical sieve from being blocked, the cylindrical sieve is arranged on a frame of the threshing machine through a supporting pulley, and one end of the cylindrical sieve is provided with a gear ring connected with a threshing driving mechanism and driven to rotate by the threshing driving mechanism.
In order to ensure the shape of the threshing space to conveniently thresh the crops, the threshing cylinder and the cylinder screen have different rotating axes.
When the crops are wet or the weeds are too much, in order to prevent the sieve pores on the cylindrical sieve from being blocked by the broken stems and the broken ears, a cleaning mechanism is arranged on the frame of the threshing machine, the cleaning mechanism comprises a cleaning shaft, a cleaning steel wire is arranged on the cleaning shaft, the cleaning shaft is arranged on the frame of the threshing machine through a bearing seat, and the cleaning shaft is connected with a threshing driving mechanism; when the cylindrical screen and the cleaning shaft rotate, the cleaning steel wire on the cleaning shaft cleans the cylindrical screen, and screen holes of the cylindrical screen are prevented from being blocked.
Use of a threshing device of a combine harvester according to any of the above in a combine harvester.
By adopting the technical scheme, the invention better realizes the purpose, the method is feasible, the threshing device has simple structure, the semicircular sieve is changed into the cylindrical sieve, and the spiral straw guide ribs are arranged on the whole inner wall of the cylindrical sieve, so that the material in the threshing space flows smoothly, and the grain leakage area is also increased; under the same condition, the threshing efficiency can be improved by more than 50%.
Drawings
FIG. 1 is a schematic diagram of a prior art configuration;
FIG. 2 is a schematic axial view of the present invention;
FIG. 3 is a schematic view of the radial structure of the present invention;
fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
In the figure: 1 threshing cylinder, 2 semicircular sieves, 3 grass guiding ribs, 4 thresher covers, 5 thresher frames, 6 cleaning mechanisms, 7 bearing seats, 8 outlets, 9 reversing gear boxes, 10 belt pulleys, 11 driving wheels, 12 main shafts, 13 reduction boxes, 14 pinions, 15 supporting pulleys, 16 gear rings, 17 feed inlets, 18 spiral grass guiding ribs, 19 cylindrical sieves, 20 cleaning steel wires and 21 cleaning shafts.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1, a threshing device of a combine harvester generally comprises a threshing cylinder 1, a semicircular sieve 2, a thresher cover 4 and the like, wherein a grass guiding rib 3 is arranged on the thresher cover 4. When the straw threshing machine works, crops with straws are fed in from an inlet of the threshing device, the rotating threshing cylinder separates grains and straws of the crops, the grains and the fine straws fall into the screening mechanism from sieve pores on the semicircular sieve 2, and the straws are led out from an outlet by the straw guiding rib 3 on the inner side of the threshing machine cover 4. The grass guiding ribs 3 only occupy a small part of the whole working circumference of the threshing cylinder 1, so the grass discharging speed is slow and the efficiency is low; when the feeding amount slightly exceeds the designed value, the threshing cylinder 1 is easily blocked. Meanwhile, the semicircular sieve 2 has small grain leaking area and also influences the working efficiency.
Example 1:
a threshing method of a combine harvester comprises the following steps:
⑴ the reaping apparatus sends the crops with straws into a threshing device for threshing and sorting, the threshing device comprises a threshing cylinder 1 and a cylinder screen 19, the threshing cylinder 1 is driven by a threshing driving mechanism to rotate, the cylinder screen 19 is sleeved outside the threshing cylinder 1, the cylinder wall of the cylinder screen 19 is provided with screen holes, the whole circumference of the inner wall of the cylinder screen 19 is provided with spiral straw guiding ribs 18, a threshing space is formed between the threshing cylinder 1 and the cylinder screen 19, and a feed inlet 17 and an outlet 8 are communicated with the threshing space;
⑵ the crops with straws are fed into the threshing space through the feed inlet 17, the crops with straws, cereals and grasses are separated through the rotation of the threshing cylinder 1, the grasses are led out from the outlet 8 through the spiral grass guiding ribs 18 on the cylindrical screen 19, and the cereals and fine grasses fall into the screening mechanism through the screen holes on the cylindrical screen 19.
As can be seen from fig. 2 and 3, a threshing device of a combine harvester comprises a thresher frame 5, wherein a threshing cylinder 1 driven by a threshing driving mechanism is arranged on the thresher frame 5, and a cylindrical screen 19 is sleeved outside the threshing cylinder 1; the wall of the cylindrical screen 19 is provided with screen holes, and the whole circumference of the inner wall of the cylindrical screen 19 is provided with spiral grass guiding ribs 18; a threshing space is formed between the threshing cylinder 1 and the cylinder screen 19, and a feeding port 17 and an outlet 8 which are communicated with the threshing space; the threshing cylinder 1 of the invention is arranged on a frame 5 of the thresher through a supporting bearing and is driven to rotate by a driving wheel 11 through a main shaft 12, and the driving wheel 11 is driven by power. When the threshing mechanism works, crops with straws are fed into the threshing space through the feeding hole 17, grains and grass of the crops with the straws are separated through the rotation of the threshing cylinder 1, the grass is led out from the outlet 8 through the spiral grass guiding ribs 18 on the cylindrical sieve 19, and the grains and fine grass fall into the screening mechanism through sieve holes on the cylindrical sieve 19.
A threshing device of a combine harvester as described above is applied in a combine harvester.
The method is feasible, the threshing device has a simple structure, the semicircular sieve 2 is changed into the cylindrical sieve 19, and the spiral straw guide ribs 18 are arranged on the whole inner wall of the cylindrical sieve 19, so that the material in the threshing space flows smoothly, and the grain leakage area is increased; under the same condition, the threshing efficiency can be improved by more than 50%.
Example 2:
in order to prevent the top sieve holes of the cylindrical sieve 19 from being blocked, the cylindrical sieve 19 is driven to rotate by a threshing driving mechanism.
The rotating speed of the cylindrical screen is 1-10 circles/minute.
In order to prevent the top sieve pores of the cylindrical sieve 19 from being blocked, the cylindrical sieve 19 is arranged on the frame 5 of the thresher through a supporting pulley 15, and one end of the cylindrical sieve 19 is provided with a gear ring 16 connected with a threshing driving mechanism and driven by the threshing driving mechanism to rotate.
The gear ring 16 on the cylindrical screen 19 of the invention is meshed with the pinion 14, and the pinion 14 is connected with the driving wheel 11 through the reduction box 13 and the belt pulley 10. When the threshing device works, the driving wheel 11 is driven by power to rotate, the cylindrical sieve 19 is driven by the belt pulley 10, the reduction gearbox 13, the pinion 14 and the gear ring 16 to rotate in the same direction when the threshing cylinder 1 is used for threshing, the rotating direction of the cylindrical sieve 19 is consistent with that of the threshing cylinder 1 in the embodiment, the rotating speed of the cylindrical sieve 19 is 3 circles/minute, materials at the top of the cylindrical sieve 19 cannot be stacked, and therefore sieve mesh blockage at the top of the cylindrical sieve 19 is avoided.
The same as in example 1.
Example 3:
in order to ensure the shape of the threshing space to conveniently thresh the crops, the threshing cylinder 1 and the cylinder screen 19 have different rotating axes. As shown in fig. 4, the rotation axis of the threshing cylinder 1 of the present embodiment is lower than the rotation axis of the cylindrical screen 19, so that the upper space of the threshing space is large and the lower space is small, thereby ensuring the threshing effect.
The same as in examples 1 and 2.
Example 4:
when the crops are wet or the weeds are too much, in order to prevent the screen holes on the cylindrical screen 19 from being blocked by the broken stems and ears, the cleaning mechanism 6 is arranged outside the cylindrical screen 19, so that the cylindrical screen 19 is cleaned by the cleaning mechanism 6 when the cylindrical screen 19 rotates, and the screen holes on the cylindrical screen 19 are prevented from being blocked; the cleaning mechanism 6 comprises a cleaning shaft 21 driven by a threshing driving mechanism, and a cleaning steel wire 20 is arranged on the cleaning shaft 21.
When the crops are wet or the weeds are too much, in order to prevent the sieve pores on the cylindrical sieve 19 from being blocked by the crushed stalks and ears, the frame 5 of the threshing machine is provided with a cleaning mechanism 6, the cleaning mechanism 6 comprises a cleaning shaft 21, the cleaning shaft 21 is provided with a cleaning steel wire 20, the cleaning shaft 21 is arranged on the frame 5 of the threshing machine through a bearing seat 7, and the cleaning shaft 21 is connected with a threshing driving mechanism; when the cylindrical screen 19 and the cleaning shaft 21 rotate, the cleaning steel wire 20 on the cleaning shaft 21 cleans the cylindrical screen 19, and when the wet crops are threshed, the screen holes of the cylindrical screen 19 are effectively prevented from being blocked.
As shown in fig. 3 or fig. 4, in this embodiment, when the threshing cylinder 1 and the cylindrical screen 19 rotate counterclockwise, the sweeping mechanism 6 is disposed at the upper left portion of the cylindrical screen 19, and the rotation direction is clockwise, so that firstly, the sweeping effect is good, and secondly, the energy consumption is not increased. One end of the cleaning shaft 21 is provided with a cleaning wheel which is connected with the driving wheel 11 through a reversing gear box 9 and a belt pulley 10. When the threshing machine works, crops with straws are fed into the threshing space through the feeding hole 17, the driving wheel 11 is driven by power to rotate, the crops with straws, namely grains and grass are separated through the rotation of the threshing cylinder 1, the grass is led out from the outlet 8 through the spiral grass guiding ribs 18 on the cylindrical sieve 19, and the grains and fine grass fall into the screening mechanism through sieve holes on the cylindrical sieve 19. When the threshing cylinder 1 is used for threshing, the cylindrical screen 19 is driven by the belt pulley 10, the reduction gearbox 13, the pinion 14 and the gear ring 16 to rotate in the same direction, the rotating speed is 3 circles/minute, so that materials on the top of the cylindrical screen 19 cannot be accumulated, and the top of the cylindrical screen 19 is prevented from being blocked. Meanwhile, the cleaning shaft 21 is driven by the belt pulley 10, the reversing gear box 9 and the cleaning wheel to rotate reversely, and the cleaning steel wire 20 on the cleaning shaft 21 cleans the cylindrical screen 19 to prevent the screen holes of the cylindrical screen 19 from being blocked.
The method is feasible, the threshing device has a simple structure, the semicircular sieve 2 is changed into the cylindrical sieve 19, and the spiral straw guide ribs 18 are arranged on the whole inner wall of the cylindrical sieve 19, so that the material in the threshing space flows smoothly, and the grain leakage area is increased; under the same condition, the threshing efficiency can be improved by more than 50%. Meanwhile, the cleaning mechanism 6 additionally arranged outside the cylindrical screen 19 can clean the cylindrical screen 19, and effectively prevents the screen holes of the cylindrical screen 19 from being blocked when threshing wet crops.
The same as in examples 1, 2 and 3.
Claims (10)
1. A threshing method of a combine harvester is characterized by comprising the following steps:
⑴ the harvesting device sends the crops with straws into a threshing device for threshing and sorting, wherein the threshing device comprises a threshing cylinder and a cylinder screen, the threshing cylinder is driven by a threshing driving mechanism to rotate, the cylinder screen is sleeved outside the threshing cylinder, the cylinder wall of the cylinder screen is provided with screen holes, the whole circumference of the inner wall of the cylinder screen is provided with spiral straw guiding ribs, a threshing space is formed between the threshing cylinder and the cylinder screen, and a feeding port and an outlet are communicated with the threshing space;
⑵ the crops with straws are fed into the threshing space from the inlet, the crops with straws are separated from grain and grass by the rotation of the threshing cylinder, the grass is led out from the outlet by the spiral grass guiding ribs on the cylindrical sieve, and the grain and fine grass fall into the screening mechanism from the sieve pores on the cylindrical sieve.
2. A threshing method for a combine harvester as claimed in claim 1, wherein the cylindrical screen is rotated by a threshing driving mechanism.
3. The threshing method of a combine harvester according to claim 2, wherein the rotation axes of the threshing cylinder and the cylindrical screen are different.
4. A threshing method of a combine harvester according to claim 2 or 3, wherein the rotation speed of the cylindrical screen is 1 to 10 cycles/minute.
5. A threshing method of a combine harvester according to claim 2 or 3, wherein a cleaning mechanism is provided outside the cylindrical sieve, so that when the cylindrical sieve rotates, the cleaning mechanism cleans the cylindrical sieve to prevent the sieve pores on the cylindrical sieve from being blocked; the cleaning mechanism comprises a cleaning shaft driven by the threshing driving mechanism, and a cleaning steel wire is arranged on the cleaning shaft.
6. A threshing device of a combine harvester comprises a thresher frame, wherein a threshing cylinder driven by a threshing driving mechanism is arranged on the thresher frame, and the threshing device is characterized in that a cylinder screen is sleeved outside the threshing cylinder; the wall of the cylindrical screen is provided with screen holes, and the whole circumference of the inner wall of the cylindrical screen is provided with spiral grass guiding ribs; a threshing space is formed between the threshing cylinder and the cylinder screen, and a feeding port and an outlet which are communicated with the threshing space; the crops with straws are fed into the threshing space through the feeding hole, the crops with straws are separated from grain and grass through the rotation of the threshing cylinder, the grass is led out from the outlet through the spiral grass guiding ribs on the cylindrical sieve, and the grain and fine grass fall into the screening mechanism from the sieve pores on the cylindrical sieve.
7. The threshing mechanism of a combine harvester as defined in claim 6, wherein the drum screen is mounted on the frame of the thresher via a support pulley, and a gear ring connected to the threshing driving mechanism is provided at one end of the drum screen and is driven to rotate by the threshing driving mechanism.
8. A threshing mechanism for a combine harvester as defined in claim 7, wherein the axes of rotation of said threshing cylinder and said cylindrical screen are different.
9. A threshing mechanism of a combine harvester according to claim 8, wherein the frame of the thresher is provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning shaft, the cleaning shaft is provided with a cleaning steel wire, the cleaning shaft is arranged on the frame of the thresher through a bearing seat, and the cleaning shaft is connected with the threshing driving mechanism; when the cylindrical screen and the cleaning shaft rotate, the cleaning steel wire on the cleaning shaft cleans the cylindrical screen, and screen holes of the cylindrical screen are prevented from being blocked.
10. Use of a threshing device of a combine harvester according to any one of the claims 6-9 in a combine harvester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081453.0A CN110946002A (en) | 2019-11-07 | 2019-11-07 | Threshing method and threshing device of combine harvester and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081453.0A CN110946002A (en) | 2019-11-07 | 2019-11-07 | Threshing method and threshing device of combine harvester and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110946002A true CN110946002A (en) | 2020-04-03 |
Family
ID=69976681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911081453.0A Pending CN110946002A (en) | 2019-11-07 | 2019-11-07 | Threshing method and threshing device of combine harvester and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110946002A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114271089A (en) * | 2021-11-19 | 2022-04-05 | 淮阴工学院 | Combine harvester fault maintenance device and maintenance method thereof |
| CN116235708A (en) * | 2023-04-25 | 2023-06-09 | 佳木斯惠尔橡塑股份有限公司 | Threshing device for harvester |
-
2019
- 2019-11-07 CN CN201911081453.0A patent/CN110946002A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114271089A (en) * | 2021-11-19 | 2022-04-05 | 淮阴工学院 | Combine harvester fault maintenance device and maintenance method thereof |
| CN116235708A (en) * | 2023-04-25 | 2023-06-09 | 佳木斯惠尔橡塑股份有限公司 | Threshing device for harvester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108901375B (en) | Longitudinal axial flow nested differential corn threshing device | |
| CN103975706A (en) | Breeding seed threshing machine used in oilseed rape fields | |
| CN209006127U (en) | The double-deck separating sieve cage | |
| CN110946002A (en) | Threshing method and threshing device of combine harvester and application | |
| CN103460907B (en) | A kind of module combined type multi-functional thrasher | |
| CN109121665B (en) | Semi-feeding combine harvester | |
| WO2013032388A1 (en) | Threshing device | |
| CN109121666B (en) | Rice production method | |
| JP2015139436A (en) | general purpose combine | |
| CN213558246U (en) | Corn sieve separator with cleaning device | |
| CN2428961Y (en) | Multifunctional and automatical threshing and separating machine for cereals | |
| CN203424007U (en) | Module-combined type multifunctional thresher | |
| CN205794160U (en) | A kind of Double-drum threshing machine | |
| CN210987062U (en) | Threshing device of combine harvester | |
| JP2015139437A (en) | general purpose combine | |
| CN214338748U (en) | Remove high-efficient corn thresher of palpus type | |
| CN211297722U (en) | Threshing machine with vibration screening function | |
| CN203860072U (en) | Rape field breeding threshing machine | |
| CN207531391U (en) | A kind of tongue bran type of threshing and sorting | |
| CN103416168A (en) | Cutting and threshing separation device of rapeseed combine harvester | |
| JP2013201964A (en) | Thresher and combine harvester having the thresher | |
| CN201146809Y (en) | Axial flow type soybean thresher | |
| RU155136U1 (en) | DIFFERENTIAL AXIAL-ROTOR THRESHING-SEPARATING DEVICE FOR CLEANING MIXED SEEDS OF GRAIN SPIN AND CEREBE CROPS | |
| CN214708815U (en) | Novel bean harvester | |
| CN217657171U (en) | Corn thresher |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |