CN214508067U - Straw cutting maize header gear box - Google Patents
Straw cutting maize header gear box Download PDFInfo
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- CN214508067U CN214508067U CN202120403564.5U CN202120403564U CN214508067U CN 214508067 U CN214508067 U CN 214508067U CN 202120403564 U CN202120403564 U CN 202120403564U CN 214508067 U CN214508067 U CN 214508067U
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- bevel gear
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- flail
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Abstract
The utility model relates to a gearbox technical field, in particular to maize picker flail knife device machine power transmission gearbox, especially a straw dissection maize header gear box, it includes two third bevel gear axles (14) to dial standing grain drive unit, be equipped with two second bevel gear (13) on power input shaft (2), each bevel gear respectively with the bevel gear meshing back of the third bevel gear axle (14) tip that corresponds give each second sprocket (15), each on the third bevel gear axle (14) install respectively on second sprocket (15) and dial standing grain chain, realize the action of dialling standing grain of maize picker in-process maize straw. The flail knife speed-increasing gear component of the device is provided with twice transition and three times speed increase to enable the rotating speed of the fly knife shaft to reach 3 times of the rotating speed of the power input shaft (2), so that stable transition and speed change can be better realized.
Description
Technical Field
The utility model relates to a gearbox technical field, in particular to maize picker flail knife device machine power transmission gearbox, especially a straw dissection maize header gear box.
Background
Mechanical equipment is now increasingly used in the corn planting and harvesting process. A corn harvester is mainly used in the corn harvesting process, and the common corn stalk chopping in the current market mainly adopts a hob type chopping device at the middle lower part of a header. At present, a corn header of a corn harvester is not provided with a front flail knife type corn straw cutting device and a transmission gear box thereof.
At present, the straw of the corn harvester is mainly crushed by a hob type crushing device, and a certain gap is reserved between the hob type crushing device and a protective cover, so that a part of straws cannot be cut off due to the gap between a cutting edge and the protective cover in the crushing process. The final cut stalks did not achieve the desired effect. And the front auxiliary device of the subsequent hob type crushing device is also provided with a feeding chain raking and lifting device, a flattening and feeding device and the like, and the whole structure is relatively complex.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: a straw cutting corn header gear box comprises a power input assembly, a flail knife speed-increasing gear assembly, a rice-pulling driving assembly and an ear-picking driving assembly, wherein the output end of the power input assembly is connected with the input end of the flail knife speed-increasing gear assembly, and the power input assembly is used for driving the rice-pulling driving assembly and the ear-picking driving assembly to operate; the power input assembly comprises a power input shaft (2), power is input through a first chain wheel (1) arranged on the power input shaft (2), and a first gear (3) assembled on the power input shaft (2) transmits the power to the flail knife speed increasing gear assembly
In any of the above solutions, it is preferable that the flail and speed increasing gear assembly includes a second gear (4) engaged with a first gear (3) fitted on the power input shaft (2), the second gear (4) is mounted on a first transition shaft (19); the second gear (4) is meshed with a third gear (5) on a second transition shaft (20); a fifth gear (7) on the first speed increasing shaft (21) is meshed with a third gear (5) on the second transition shaft (20); a fourth gear (6) which is coaxial with the third gear (5) is meshed with a sixth gear (8) on the second speed increasing shaft (22); a first bevel gear (9) at the tail end of a second accelerating shaft (22) is meshed with a second bevel gear shaft (10) at the tail end of a flail shaft (11), a flail mounting disc (12) is arranged on the flail shaft (11), and two flail mounting positions for mounting flail are arranged on the flail mounting disc (12) at intervals.
In any of the above schemes, preferably, the reel driving part includes two third bevel gear shafts (14), two second bevel gears (13) are arranged on the power input shaft (2), each bevel gear is respectively meshed with a bevel gear at the end of the corresponding third bevel gear shaft (14) and then transmits power to a second sprocket (15) on each third bevel gear shaft (14), and each second sprocket (15) is respectively provided with a reel chain, so that the reel action of the corn stalks in the corn harvesting process is realized.
In any of the above solutions, it is preferable that the snapping drive means comprises two snapping roll drive shafts (18); the snapping roll driving shaft (18) is used for driving a snapping roll of a cutting table of the corn harvester; the inner ends of the two ear picking roller driving shafts (18) are meshed with a corresponding fourth bevel gear (16) on the power input shaft (2) through bevel gears on the inner ends.
In any of the above solutions, it is preferable that the first transition shaft (19) is provided with a second gear (4);
the first gear (3) and the second gear (4) are in meshed transmission to realize power input of the flail knife;
a third gear (5) on the second transition shaft (20) is used for being meshed with the second gear (4) and transmitting power to a fifth gear (7) on the first speed increasing shaft (21);
the fourth gear (6) on the same shaft as the fifth gear (7) is used for meshing with the sixth gear (8).
The speed increasing shaft part comprises a first transition shaft and a second transition shaft;
the sixth gear (8) is assembled on the second speed increasing gear shaft, and a first bevel gear (9) at the shaft end of the sixth gear is meshed with a second bevel gear (13) on the flail shaft (11).
A flail knife installation disc (12) is arranged on the flail knife shaft (11), and two flail knife installation positions for installing flail knives are arranged on the flail knife installation disc (12) at intervals.
In any of the above schemes, preferably, the power input shaft (2) is provided with a second bevel gear (13);
the second bevel gear (13) is meshed with a bevel gear at the shaft end of the third gear (5) and transmits power to the third gear shaft;
a second chain wheel (15) is arranged on the third gear shaft, and a seedling pulling chain is arranged on the second chain wheel (15) to realize the seedling pulling action of the corn straws in the corn harvesting process;
the power input shaft (2) is assembled with a fourth bevel gear (16), the bevel gear is meshed with a fifth bevel gear (17) of a snapping roll driving shaft (18), power is transmitted to the snapping roll driving shaft (18) of the header box, and a header snapping roll of the corn harvester is driven;
a fourth bevel gear (16) is arranged on the power input shaft (2);
the fourth bevel gear (16) is meshed with a fifth bevel gear (17) at the end part of the ear picking roller driving shaft (18).
In any of the above schemes, preferably, the two mounting positions are symmetrically distributed on two sides of the blade throwing shaft (11) and form an included angle of 180 °.
According to the technical scheme of the utility model:
1. the flail knife speed-increasing gear component of the device is provided with twice transition and three times speed increase to enable the rotating speed of the fly knife shaft to reach 3 times of the rotating speed of the power input shaft (2), so that stable transition and speed change can be better realized.
2. Two flail knife mounting positions are mounted on a mounting disc of the gear box flail knife shaft (11), and the included angle of the two flail knife mounting positions relative to the rotating shaft is 180 degrees, so that the balance between the working efficiency and the motion when the flail knives work can be ensured.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
Fig. 3 is a schematic diagram of the three-dimensional structure of the present invention.
Fig. 4 is a schematic view of the internal connection relationship at the first viewing angle of the present invention.
Fig. 5 is a schematic view of the internal connection structure at the second viewing angle of the present invention.
In the figure: 1. a first sprocket; 2. a power input shaft; 3. a first gear; 4. a second gear; 5. a third gear; 6. a fourth gear; 7. a fifth gear; 8. a sixth gear; 9. a first bevel gear; 10. a second cone shaft; 11. throwing the cutter shaft; 12. a flail knife mounting disc; 13. a second bevel gear; 14. a third bevel gear shaft; 15. a second sprocket; 16. a fourth bevel gear; 17. a fifth bevel gear; 18. a snapping roll driving shaft; 19. a first transition shaft; 20. a second transition shaft; 21. a first speed increasing shaft; 22. a second speed increasing shaft.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-5, a straw-cutting corn header gearbox comprises a power input assembly, a flail knife speed-increasing gear assembly, a reel driving component and an ear picking driving component, wherein an output end of the power input assembly is connected with an input end of the flail knife speed-increasing gear assembly, and the power input assembly is used for driving the reel driving component and the ear picking driving component to operate; the power input assembly comprises a power input shaft (2), power is input through a first chain wheel (1) arranged on the power input shaft (2), and a first gear (3) assembled on the power input shaft (2) transmits the power to the flail knife speed increasing gear assembly
In the embodiment, the flail and speed increasing gear assembly comprises a second gear (4) meshed with a first gear (3) assembled on the power input shaft (2), and the second gear (4) is installed on a first transition shaft (19); the second gear (4) is meshed with a third gear (5) on a second transition shaft (20); a fifth gear (7) on the first speed increasing shaft (21) is meshed with a third gear (5) on the second transition shaft (20); a fourth gear (6) which is coaxial with the third gear (5) is meshed with a sixth gear (8) on the second speed increasing shaft (22); a first bevel gear (9) at the tail end of a second accelerating shaft (22) is meshed with a second bevel gear shaft (10) at the tail end of a flail shaft (11), a flail mounting disc (12) is arranged on the flail shaft (11), and two flail mounting positions for mounting flail are arranged on the flail mounting disc (12) at intervals.
In this embodiment, the reel driving part comprises two third bevel gear shafts (14), two second bevel gears (13) are arranged on the power input shaft (2), each bevel gear is meshed with a bevel gear at the end of the corresponding third bevel gear shaft (14) respectively and then transmits power to a second sprocket (15) on each third bevel gear shaft (14), and a reel chain is mounted on each second sprocket (15) respectively, so that the reel action of the corn straws in the corn harvesting process is realized.
In the embodiment, the snapping driving part comprises two snapping roller driving shafts (18); the snapping roll driving shaft (18) is used for driving a snapping roll of a cutting table of the corn harvester; the inner ends of the two ear picking roller driving shafts (18) are meshed with a corresponding fourth bevel gear (16) on the power input shaft (2) through bevel gears on the inner ends.
In the embodiment, a second gear (4) is arranged on the first transition shaft (19);
the first gear (3) and the second gear (4) are in meshed transmission to realize power input of the flail knife;
a third gear (5) on the second transition shaft (20) is used for being meshed with the second gear (4) and transmitting power to a fifth gear (7) on the first speed increasing shaft (21);
the fourth gear (6) on the same shaft as the fifth gear (7) is used for meshing with the sixth gear (8).
The speed increasing shaft part comprises a first transition shaft and a second transition shaft;
the sixth gear (8) is assembled on the second speed increasing gear shaft, and a first bevel gear (9) at the shaft end of the sixth gear is meshed with a second bevel gear (13) on the flail shaft (11).
A flail knife installation disc (12) is arranged on the flail knife shaft (11), and two flail knife installation positions for installing flail knives are arranged on the flail knife installation disc (12) at intervals.
In the embodiment, a second bevel gear (13) is arranged on the power input shaft (2);
the second bevel gear (13) is meshed with a bevel gear at the shaft end of the third gear (5) and transmits power to the third gear shaft;
a second chain wheel (15) is arranged on the third gear shaft, and a seedling pulling chain is arranged on the second chain wheel (15) to realize the seedling pulling action of the corn straws in the corn harvesting process;
the power input shaft (2) is assembled with a fourth bevel gear (16), the bevel gear is meshed with a fifth bevel gear (17) of a snapping roll driving shaft (18), power is transmitted to the snapping roll driving shaft (18) of the header box, and a header snapping roll of the corn harvester is driven;
a fourth bevel gear (16) is arranged on the power input shaft (2);
the fourth bevel gear (16) is meshed with a fifth bevel gear (17) at the end part of the ear picking roller driving shaft (18).
In any of the above schemes, preferably, the two mounting positions are symmetrically distributed on two sides of the blade throwing shaft (11) and form an included angle of 180 °.
The working principle is as follows:
power is input through a first chain wheel (1) arranged on a power input shaft (2), and a first gear (3) assembled on the power input shaft (2) transmits the power to a second gear (4) on a first transition shaft (19);
then the power is transmitted to a third gear (5) on a second transition shaft (20) by a second gear (4), and only power is transmitted in the process without increasing or reducing the speed.
The fifth gear (7) on the first speed increasing shaft (21) is meshed with the third gear (5) on the second transition shaft (20), and the rotating speed is increased.
A fourth gear (6) which is coaxial with the third gear (5) is meshed with a sixth gear (8) on the second speed increasing shaft (22), so that the rotating speed is increased again.
The first bevel gear (9) at the tail end of the second accelerating shaft (22) is meshed with the second bevel gear shaft (10) at the tail end of the flail knife shaft (11) to realize the third lifting of the rotating speed and the rotation of 90 degrees of the rotating direction of the shaft, so that the cutting plane of the flail knife is parallel to the ground to realize the corn stalk chopping.
The flail knife installation disc (12) is arranged on the flail knife shaft (11), the installation disc adopts two flail knife installation positions, the flail knife installation positions are symmetrically distributed on two sides of the flail knife shaft (11), and the included angle is 180 degrees.
A second bevel gear (13) is arranged on the power input shaft (2), the bevel gear is meshed with a bevel gear at the end of a third bevel gear shaft (14) and then transmits power to a second chain wheel (15), and a seedling pulling chain is arranged on the chain wheel to realize the seedling pulling action of the corn straws in the corn harvesting process.
When the device is matched with a corn harvester, corn straws torn by the snapping roll are cut into sections at a high speed by the flail knife rotating at a high speed, namely, a transmission gear box extending towards the front part of the cutting table is added on the original snapping box and is used for driving the flail knife for cutting the corn straws behind the snapping roll.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (5)
1. The utility model provides a straw dissection maize header gear box which characterized in that: the corn harvester ear picking device comprises a power input assembly, a flail knife speed-increasing gear assembly, a rice pulling driving component and an ear picking driving component, wherein the output end of the power input assembly is connected with the input end of the flail knife speed-increasing gear assembly, and the power input assembly is used for driving the rice pulling driving component and the ear picking driving component to operate; the power input assembly comprises a power input shaft (2), power is input through a first chain wheel (1) arranged on the power input shaft (2), and a first gear (3) assembled on the power input shaft (2) transmits the power to the flail knife speed increasing gear assembly.
2. The straw chopping corn header gearbox of claim 1, wherein: the flail knife speed-increasing gear assembly comprises a second gear (4) meshed with a first gear (3) assembled on the power input shaft (2), and the second gear (4) is installed on a first transition shaft (19); the second gear (4) is meshed with a third gear (5) on a second transition shaft (20); a fifth gear (7) on the first speed increasing shaft (21) is meshed with a third gear (5) on the second transition shaft (20); a fourth gear (6) which is coaxial with the third gear (5) is meshed with a sixth gear (8) on the second speed increasing shaft (22); a first bevel gear (9) at the tail end of a second accelerating shaft (22) is meshed with a second bevel gear shaft (10) at the tail end of a flail shaft (11), a flail mounting disc (12) is arranged on the flail shaft (11), and two flail mounting positions for mounting flail are arranged on the flail mounting disc (12) at intervals.
3. The straw chopping corn header gearbox of claim 2, wherein: the seedling pulling driving part comprises two third bevel gear shafts (14), two second bevel gears (13) are arranged on the power input shaft (2), each bevel gear is meshed with a bevel gear at the end of the corresponding third bevel gear shaft (14) respectively and then transmits power to a second chain wheel (15) on each third bevel gear shaft (14), and a seedling pulling chain is arranged on each second chain wheel (15) respectively, so that the seedling pulling action of the corn straws in the corn harvesting process is realized.
4. The straw chopping corn header gearbox of claim 3, wherein: the ear picking driving part comprises two ear picking roller driving shafts (18); the snapping roll driving shaft (18) is used for driving a snapping roll of a cutting table of the corn harvester; the inner ends of the two ear picking roller driving shafts (18) are meshed with a corresponding fourth bevel gear (16) on the power input shaft (2) through bevel gears on the inner ends.
5. The straw chopping corn header gearbox of claim 4, wherein: the two installation positions are symmetrically distributed on two sides of the blade throwing shaft (11) and have an included angle of 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120403564.5U CN214508067U (en) | 2021-02-24 | 2021-02-24 | Straw cutting maize header gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120403564.5U CN214508067U (en) | 2021-02-24 | 2021-02-24 | Straw cutting maize header gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214508067U true CN214508067U (en) | 2021-10-29 |
Family
ID=78236446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120403564.5U Active CN214508067U (en) | 2021-02-24 | 2021-02-24 | Straw cutting maize header gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214508067U (en) |
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2021
- 2021-02-24 CN CN202120403564.5U patent/CN214508067U/en active Active
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