CN112673812A - Cleaning transmission system and combine harvester - Google Patents
Cleaning transmission system and combine harvester Download PDFInfo
- Publication number
- CN112673812A CN112673812A CN202011616076.9A CN202011616076A CN112673812A CN 112673812 A CN112673812 A CN 112673812A CN 202011616076 A CN202011616076 A CN 202011616076A CN 112673812 A CN112673812 A CN 112673812A
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- belt wheel
- transmission
- wheel
- output
- auger
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- 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
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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
- A01F12/44—Grain cleaners; Grain separators
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Transmission Devices (AREA)
- Harvester Elements (AREA)
Abstract
The invention provides a cleaning transmission system and a combine harvester, which comprise an output belt wheel in transmission connection with an engine, wherein the output belt wheel is divided into three paths of transmission outputs, and the three paths of transmission outputs are distributed on the same side wall surface of a frame. The first path of transmission comprises an output belt wheel, a first threshing belt wheel and a second threshing belt wheel, the second path of transmission comprises an output belt wheel and a chopper belt wheel, the third path of transmission comprises an output belt wheel, a fan belt wheel, a seed belt wheel, a waste belt wheel and a screening belt wheel, and all the belt wheels are in transmission connection. The power inputs of the threshing mechanism, the shredding mechanism, the winnowing mechanism, the seed warehousing mechanism, the impurity re-threshing mechanism and the screening mechanism of the harvester are all arranged on the same side face of the frame, so that a transmission system of the whole harvester is compact in structure and convenient to install, control and debug. And the power input of each mechanism is directly provided by an output belt wheel, so that the transmission loss caused by intermediate transmission is avoided, the workload of the mechanism for providing the intermediate transmission is reduced, the transmission efficiency of the whole machine is improved, and the service life of the whole machine is prolonged.
Description
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a cleaning transmission system and a combine harvester.
Background
The combine harvester is a combine for harvesting crops, and can complete the procedures of harvesting, threshing, separating stalks, removing impurities and the like of grain crops at one time and directly obtain grains from the field. The harvester outputs the power of an engine to each mechanism through a transmission system to complete corresponding functions.
In the existing cleaning transmission system, the power input of each mechanism is mostly distributed at different positions of the rack, even the power input ends of some mechanisms are positioned inside the rack, more workers are needed when the transmission system is installed, debugged and maintained, more energy is consumed, and the labor cost is undoubtedly increased. Meanwhile, the power input of each mechanism is in intermediate transmission, for example, the shredding mechanism uses a threshing cylinder in the threshing mechanism to carry out power transmission, and the threshing cylinder also needs to provide power for the rotation of the shredding mechanism when carrying out rotary threshing, so that the load of the threshing cylinder is easily increased, the transmission efficiency of the whole machine is reduced, and the service life of the whole machine is prolonged.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that the cleaning transmission system in the prior art is unreasonable in layout, labor cost is increased, and transmission efficiency of the whole machine is low due to intermediate transmission.
To this end, the invention proposes a cleaning transmission system comprising:
an output belt wheel in transmission connection with the engine; the output belt wheel is divided into three paths for transmission output; the three paths of transmission are distributed on the same side wall surface of the rack;
the first path of transmission comprises an output belt wheel, a first threshing belt wheel and a second threshing belt wheel;
the second path of transmission comprises an output belt wheel and a chopper belt wheel;
the third path of transmission comprises an output belt wheel, a fan belt wheel, a seed belt wheel, a miscellaneous belt wheel and a screening belt wheel; all belt wheels are in transmission connection.
Further comprising:
a first transition wheel fixed to the frame and disposed between the output pulley and the chopper pulley; the output belt wheel is in transmission connection with the first transition wheel; the first transition wheel is in transmission connection with the chopper belt wheel.
Further comprising:
the second transition wheel is fixed on the rack and arranged in the third path of transmission; the output belt wheel, the fan belt wheel, the seed belt wheel, the second transition wheel and the miscellaneous and residual belt wheel are in transmission connection; the second transition wheel is in transmission connection with the screening belt wheel.
The three paths of transmission are connected by adopting a triangular belt transmission.
The first threshing belt wheel is in transmission connection with the second threshing belt wheel through a connecting belt.
Also included are a plurality of tension assemblies distributed between adjacent pulleys adapted to tension the V-belt between the adjacent pulleys.
Any of the tension assemblies includes:
one end of the tensioning arm is hinged to the rack, and the other end of the tensioning arm is a free end;
the tensioning wheel is fixed at the free end of the tensioning arm;
the pull rod is fixed on the rack;
an extension spring is arranged between the pull rod and the tensioning arm;
the tension wheel is tensioned and abutted on the triangular belt by the biasing force of the tension spring.
The grain auger is arranged on the frame in a penetrating way, one end of the grain auger is fixed with the grain belt pulley, and the other end of the grain auger is connected with the granary auger; and a change gear box is arranged between the grain packing auger and the granary packing auger.
The impurity auger is arranged on the frame in a penetrating way, one end of the impurity auger is fixed with the impurity belt wheel, and the other end of the impurity auger is connected with the re-threshing auger; and a change gear box is arranged between the impurity packing auger and the re-threshing packing auger.
The invention provides a combine harvester which comprises the cleaning transmission system.
The technical scheme of the invention has the following advantages:
1. the cleaning transmission system provided by the invention comprises an output belt wheel in transmission connection with an engine, wherein the output belt wheel is divided into three paths for transmission output, and the three paths of transmission are distributed on the same side wall surface of a rack. The first path of transmission comprises an output belt wheel, a first threshing belt wheel and a second threshing belt wheel, the second path of transmission comprises an output belt wheel and a chopper belt wheel, the third path of transmission comprises an output belt wheel, a fan belt wheel, a seed belt wheel, a waste belt wheel and a screening belt wheel, and all the belt wheels are in transmission connection. The power inputs of the threshing mechanism, the shredding mechanism, the winnowing mechanism, the grain warehousing mechanism, the impurity re-threshing mechanism and the screening mechanism of the harvester are all arranged on the same side face of the frame, so that the transmission system of the whole harvester is compact in structure. All driving pulleys are arranged on the same side, so that the installation, control and debugging are facilitated. And the power input of each mechanism is directly provided by an output belt wheel, so that the transmission loss caused by intermediate transmission is avoided, the workload of the mechanism for providing the intermediate transmission is reduced, the transmission efficiency of the whole machine is improved, and the service life of the whole machine is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first schematic structural diagram of a cleaning transmission system in an embodiment of the invention;
FIG. 2 is a schematic structural view of the tensioning assembly at S of FIG. 1;
FIG. 3 is a schematic structural diagram II of a cleaning transmission system in the embodiment of the invention.
Description of reference numerals:
1. a frame; 1s, an output belt wheel; 10s, an intermediate transmission shaft; 11s, an input pulley; 2s, a first threshing belt wheel; 3s, a second threshing belt wheel; 4s, a chopper wheel; 51s, a fan belt wheel; 52s, a grain belt wheel; 521s, a grain auger; 522s, a granary auger; 53s, miscellaneous belt wheel; 531s, a miscellaneous auger; 532s, rethreshing the auger; 6s, screening belt wheels; 71s, a first transition wheel; 72s, a second transition wheel; 81s, tensioning arm; 82s, a tension wheel; 83s, a pull rod; 84s, an extension spring; 9s and a change gear box.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The embodiment provides a cleaning transmission system, as shown in fig. 1, which includes an output belt wheel 1s in transmission connection with an engine, wherein the output belt wheel 1s is divided into three paths of transmission outputs, and the three paths of transmission outputs are distributed on the same side wall surface of a rack 1.
In this embodiment, the intermediate transmission shaft 10s is rotatably disposed in two bearing seats at the front end of the frame 1, one end of the intermediate transmission shaft is fixed with an input belt wheel 11s, the input belt wheel 11s is in transmission connection with an engine (not shown in the figure) on the frame 1 through a main clutch belt, and the other end of the intermediate transmission shaft is fixed with an output belt wheel 1s and is used for being in transmission connection with other power mechanisms of the harvester, and the other power mechanisms include a threshing mechanism, a shredding mechanism, a winnowing mechanism, a seed grain warehousing mechanism, a impurity re-threshing mechanism. The output belt wheel 1s is a multi-groove belt wheel, and the output belt wheel 1s can be formed by a plurality of multi-groove belt wheels together, is fixed at one end of the middle transmission shaft 10s and is suitable for rotating along with the middle transmission shaft 10 s. In this embodiment, the output belt wheel 1s and the belt wheels of other power mechanisms are connected by a triangular belt, and a chain can be adopted, but the chain transmission stability is not as smooth as that of the triangular belt, and secondly, when the threshing cylinder is blocked and parts such as a cylinder cover are broken and damaged by expansion, the chain is broken, the power is transmitted continuously, and the parts are easily damaged. And during the V belt transmission, when above-mentioned condition appearing, the V belt can appear skidding, burn phenomenons such as area, influences normal operation to even remind the user to shut down the clearance and maintain the change, can not cause other parts to damage, consequently preferred V belt transmission of adoption.
As shown in fig. 1, the first path transmission includes an output pulley 1s, a first threshing pulley 2s, and a second threshing pulley 3 s. The output belt wheel 1s is in transmission connection with the first threshing belt wheel 2s through three C-shaped triangular belts, so that the overall cross section of the triangular belts is increased, and the transmission power is improved. The first threshing belt wheel 2s and the second threshing belt wheel 3s are in transmission connection by adopting a 2HB (five hundred thousand) combined belt. The combined belt can be well attached to the belt wheel, the stress is uniform, and the transmission stability and the impact resistance are good, so that the combined belt adapts to the high-strength working environment of the threshing cylinder.
The second drive includes an output pulley 1s and a chopper pulley 4 s. The chopper is generally disposed at the rear end of the frame 1 with a large span from the output pulley 1s, and therefore, the first transition wheel 71s is fixed to the frame 1 between the output pulley 1s and the chopper pulley 4s to divide the transmission into two stages. The first transition wheel 71s is rotatably provided on the frame 1 via a mounting frame and is located on a line connecting the output pulley 1s and the chopper pulley 4 s. The first transition wheel 71s employs a multi-grooved pulley. The output pulley 1s is in transmission connection with the first transition wheel 71s, and the first transition wheel 71s is in transmission connection with the chopper pulley 4 s.
The third path of transmission comprises an output belt wheel 1s, a fan belt wheel 51s, a seed belt wheel 52s, a miscellaneous and redundant belt wheel 53s and a screening belt wheel 6 s. The third transmission has a large number of transmission components and a large transmission span, and therefore, the second transition wheel 72s is provided in the third transmission, which is also divided into two-stage transmission. The first-stage transmission is that the output belt wheel 1s, the fan belt wheel 51s, the seed belt wheel 52s, the second transition wheel 72s and the miscellaneous and redundant belt wheel 53s are in transmission connection; the second stage transmission is the transmission connection between the second transition wheel 72s and the screening belt wheel 6 s. To ensure that the screening pulley 6s and the output pulley 1s rotate in opposite directions, the second transition wheel 72s is a multi-grooved pulley. In the first-stage transmission, the outer side surface of the triangular belt is in contact with the groove surface of the second transition wheel 72s, so that the rotation direction of the second transition wheel 72s is opposite to that of the output belt wheel, and the rotation direction of the screening belt wheel 6s in transmission connection with the second transition wheel 72s is opposite to that of the output belt wheel 1 s.
In the present embodiment, tension modules are installed between adjacent pulleys, and as shown in fig. 2, any one of the tension modules includes a tension arm 81s, a tension pulley 82s, a tension rod 83s, and a tension spring 84 s. In this embodiment, the tensioning arm 81s is in a triangular structure, one corner of the triangle is hinged to the frame 1, the other two corners are free ends, one free end is rotatably provided with the tensioning wheel 82s, an extension spring 84s is arranged between the other free end and the pull rod 83s, the pull rod 83s is fixed to the frame 1, and the tensioning wheel 82s is located between the hinged point of the tensioning arm 81s on the frame 1 and the fixed point of the pull rod 83s on the frame 1, so that in a normal state, the tensioning wheel 82s is tensioned by the biasing force of the extension spring 84s and is pressed against the triangular belt.
As shown in fig. 3, in this embodiment, the grain auger 521s horizontally penetrates the bottom of the frame 1, one end of the grain auger 521s is fixed with the grain belt wheel 52s, the other end of the grain auger is connected with the grain bin auger 522s through the change gear box 9s, the grain bin auger 522s is a lifting auger in the vertical direction, and the grain auger is suitable for lifting grains conveyed by the grain auger 521s below upwards and entering the grain bin from an inlet above the grain bin. The sundry auger 531s horizontally penetrates through the bottom of the frame 1, one end of the sundry auger 531s is fixed with a sundry belt wheel 53s, the other end of the sundry auger 532s is connected with the re-threshing auger 532s through a change gear box 9s, the re-threshing auger 532s is a lifting auger which is obliquely arranged in the vertical direction and is suitable for lifting sundry carried by kernel carried by the sundry auger 531s below upwards to a threshing roller for re-threshing so as to avoid wasting the kernel. The power for feeding and rethreshing the seeds is provided by the output belt wheel 1s, and the structure is simple and compact.
The power inputs of a threshing mechanism, a shredding mechanism, a winnowing mechanism, a grain warehousing mechanism, a impurity re-threshing mechanism and a screening mechanism of the harvester are all arranged on the same side surface of the frame 1, so that the transmission system of the whole harvester is compact in structure. All driving pulleys are arranged on the same side, so that the installation, control and debugging are facilitated. And the power input of each mechanism is directly provided by the output belt wheel 1s, so that the transmission loss caused by intermediate transmission is avoided, the workload of the mechanism for providing the intermediate transmission is reduced, the transmission efficiency of the whole machine is improved, and the service life of the whole machine is prolonged.
Example 2
The present embodiment provides a combine harvester comprising the cleaning transmission system of embodiment 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A cleaning drive system, comprising:
an output pulley (1s) in transmission connection with the engine; the output belt wheel (1s) is divided into three paths for transmission and output; the three paths of transmission are distributed on the wall surface of the rack (1) on the same side;
the first path of transmission comprises an output belt wheel (1s), a first threshing belt wheel (2s) and a second threshing belt wheel (3 s);
the second path of transmission comprises an output belt wheel (1s) and a chopper belt wheel (4 s);
the third transmission path comprises an output belt wheel (1s), a fan belt wheel (51s), a seed belt wheel (52s), a miscellaneous belt wheel (53s) and a screening belt wheel (6 s); all belt wheels are in transmission connection.
2. A cleaning drive system according to claim 1, further comprising:
a first transition wheel (71s) fixed to the frame (1) and disposed between the output pulley (1s) and the chopper pulley (4 s); the output belt wheel (1s) is in transmission connection with the first transition wheel (71 s); the first transition wheel (71s) is in transmission connection with the chopper wheel (4 s).
3. A cleaning drive system according to claim 1, further comprising:
a second transition wheel (72s) fixed on the frame (1) and arranged in the third path transmission; the output belt wheel (1s), the fan belt wheel (51s), the seed belt wheel (52s), the second transition wheel (72s) and the miscellaneous and redundant belt wheel (53s) are in transmission connection; the second transition wheel (72s) is in transmission connection with the screening belt wheel (6 s).
4. A cleaning drive system according to any one of claims 1 to 3,
the three paths of transmission are connected by adopting a triangular belt transmission.
5. A cleaning transmission system according to claim 4, characterized in that the first threshing belt wheel (2s) and the second threshing belt wheel (3s) are in driving connection by a gang belt.
6. A cleaning drive system according to claim 4, further including a plurality of tensioning assemblies, distributed between adjacent pulleys, adapted to tension the V-belts between adjacent pulleys.
7. A cleaning drive system according to claim 6, characterized in that any one of the tensioning assemblies includes:
one end of the tensioning arm (81s) is hinged to the rack (1), and the other end of the tensioning arm is a free end;
a tensioning wheel (82s) fixed to a free end of the tensioning arm (81 s);
a pull rod (83s) fixed to the frame (1);
an extension spring (84s) is arranged between the pull rod (83s) and the tensioning arm (81 s);
the tension pulley (82s) is tensioned by the biasing force of the tension spring (84s) and abuts against the triangular belt.
8. A cleaning transmission system according to claim 4, characterized in that the grain auger (521s) is arranged on the frame (1) in a penetrating way, and one end of the grain auger is fixed with the grain belt wheel (52s) and the other end is connected with the grain bin auger (522 s); a change gear box (9s) is arranged between the grain packing auger (521s) and the granary packing auger (522 s).
9. A cleaning transmission system according to claim 4, characterized in that the impurity auger (531s) is arranged on the frame (1) in a penetrating way, and one end of the impurity auger is fixed with the impurity belt wheel (53s) and the other end is connected with the re-threshing auger (532 s); a change gear box (9s) is arranged between the impurity auger (531s) and the rethreshing auger (532 s).
10. A combine harvester, characterised by comprising a cleaning drive system according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616076.9A CN112673812A (en) | 2020-12-30 | 2020-12-30 | Cleaning transmission system and combine harvester |
| PCT/CN2021/090124 WO2022141998A1 (en) | 2020-12-30 | 2021-04-27 | Cleaning transmission system and combine harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616076.9A CN112673812A (en) | 2020-12-30 | 2020-12-30 | Cleaning transmission system and combine harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112673812A true CN112673812A (en) | 2021-04-20 |
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ID=75455431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011616076.9A Pending CN112673812A (en) | 2020-12-30 | 2020-12-30 | Cleaning transmission system and combine harvester |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112673812A (en) |
| WO (1) | WO2022141998A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113179743A (en) * | 2021-04-27 | 2021-07-30 | 山东巨明机械有限公司 | Longitudinal axial flow grain combine harvester centralized transmission system and grain combine harvester |
| WO2022141998A1 (en) * | 2020-12-30 | 2022-07-07 | 江苏沃得农业机械股份有限公司 | Cleaning transmission system and combine harvester |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017127209A (en) * | 2016-01-18 | 2017-07-27 | ヤンマー株式会社 | Combine-harvester |
| CN205491815U (en) * | 2016-04-15 | 2016-08-24 | 山东巨明机械有限公司 | Take straw collection to beat a bundle type maize picker drive mechanism |
| CN206909169U (en) * | 2016-11-25 | 2018-01-23 | 星光农机股份有限公司 | A kind of united reaper transmission system |
| CN207040257U (en) * | 2016-11-25 | 2018-02-27 | 星光农机股份有限公司 | A kind of united reaper reverse transmission |
| CN206506890U (en) * | 2017-01-13 | 2017-09-22 | 中联重机股份有限公司 | A kind of transmission system of grain combine |
| CN112690086A (en) * | 2020-12-30 | 2021-04-23 | 江苏沃得农业机械股份有限公司 | Combine harvester |
| CN112673812A (en) * | 2020-12-30 | 2021-04-20 | 江苏沃得农业机械股份有限公司 | Cleaning transmission system and combine harvester |
-
2020
- 2020-12-30 CN CN202011616076.9A patent/CN112673812A/en active Pending
-
2021
- 2021-04-27 WO PCT/CN2021/090124 patent/WO2022141998A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022141998A1 (en) * | 2020-12-30 | 2022-07-07 | 江苏沃得农业机械股份有限公司 | Cleaning transmission system and combine harvester |
| CN113179743A (en) * | 2021-04-27 | 2021-07-30 | 山东巨明机械有限公司 | Longitudinal axial flow grain combine harvester centralized transmission system and grain combine harvester |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022141998A1 (en) | 2022-07-07 |
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