CN219366724U - Y3 self-propelled grain combine harvester speed changer - Google Patents
Y3 self-propelled grain combine harvester speed changer Download PDFInfo
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- CN219366724U CN219366724U CN202320509454.6U CN202320509454U CN219366724U CN 219366724 U CN219366724 U CN 219366724U CN 202320509454 U CN202320509454 U CN 202320509454U CN 219366724 U CN219366724 U CN 219366724U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The utility model discloses a Y3 self-propelled grain combine harvester transmission, which relates to the technical field of harvester transmissions, and comprises a transmission box body and a speed reduction transmission mechanism, wherein a hydraulic pump unit interface is arranged at the lower end of the side wall of the transmission box body, an input shaft is rotatably connected to the inner wall of the transmission box body, which is close to the hydraulic pump unit interface, a differential mechanism is arranged at the top of the transmission box body, a left output shaft and a right output shaft are respectively arranged at the output end of the differential mechanism, the left output shaft and the right output shaft are parallel to the input shaft, the structure is only provided with three gears, the two fork shafts are operated by a single slide rail, a neutral gear structure is arranged in the middle of the structure, a meshing sleeve is used for shifting, the transmission is stable and reliable, no shift impact is generated, the transmission is comfortable and reliable to operate, two harvesting gears and one transition gear are used for meeting the receiving demands of users in different areas of hills and plains, the speed ratio is reasonable, the fuel economy is high, and the economy and the adaptability of the whole harvester is improved.
Description
Technical Field
The utility model relates to the technical field of harvester speed changers, in particular to a Y3 self-propelled grain combine harvester speed changer.
Background
With the implementation of the agricultural policy of agricultural machine subsidy in the country in recent years, the agricultural mechanization is rapidly developed, and the national environmental protection agency requires the agricultural machine engine to be upgraded in three-liter-state-four-upgrade. Agricultural production tends to be changed into an intensive production mode, and the domestic large Y3 self-propelled grain combine harvester is always matched with a mechanical stepless speed change mechanical drive axle assembly to use a hydraulic two-gear drive axle assembly. The mechanical transmission assembly has the advantages of complicated arrangement structure, difficult assembly and adjustment, relatively high requirements on production process conditions, failure of the stepless speed change mechanism, improper operation and adjustment of an agricultural machine hand and occurrence of sheet burning. The speed ratio distribution of the hydraulic two gears is narrow, one harvesting gear and one transition gear can not meet the receiving requirements of farmers in hilly and mountain areas.
In view of the above, an improved Y3 self-propelled grain combine transmission has now been devised.
Disclosure of Invention
The utility model aims to provide a Y3 self-propelled grain combine harvester transmission so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the Y3 self-propelled grain combine harvester transmission comprises a transmission box body and a speed reduction transmission mechanism, wherein a hydraulic pump unit interface is arranged at the lower end of the side wall of the transmission box body, an input shaft is rotatably connected to the inner wall of the transmission box body, which is close to the hydraulic pump unit interface, a differential mechanism is arranged at the top of the transmission box body, a left output shaft and a right output shaft are respectively arranged at the output ends of the differential mechanism, one ends, far away from the differential mechanism, of the left output shaft and the right output shaft penetrate through the side wall of the transmission box body to be arranged outside the transmission box body, and the left output shaft and the right output shaft are mutually parallel to the input shaft.
The speed reduction transmission mechanism is arranged between the input shaft and the differential mechanism and is used for enabling the input shaft to drive the input end of the differential mechanism to rotate and carrying out speed reduction adjustment in the process.
As a further scheme of the utility model: the speed reduction transmission mechanism comprises a two shaft, the two shaft is rotationally connected to the inner wall of a transmission box body between the differential mechanism and the input shaft, three shafts are rotationally connected to the inner wall of the transmission box body between the two shaft and the differential mechanism, the input shaft, the two shafts and the three shafts are mutually parallel, a differential gear is installed at the input end of the differential mechanism, a three-shaft gear meshed with the differential gear is installed on the side wall of the three shafts, the diameter of the differential gear is larger than that of the three-shaft gear, a three-shaft driven gear used for driving the three shafts to rotate is installed on the side wall of the three shafts, a two-gear driving gear meshed with the three-shaft driven gear is installed on the side wall of the two shafts, and a gear shifting assembly used for speed change and gear shifting is arranged on the side wall of the two shafts and the input shaft.
As still further aspects of the utility model: the gear shifting assembly comprises a first gear, the first gear is arranged on the side wall of the input shaft, which is close to the hydraulic pump unit interface, a second gear is arranged on the side wall of the input shaft, which is far away from one end of the hydraulic pump unit interface, a third gear is arranged on the side wall of the input shaft, which is far away from one end of the hydraulic pump unit interface, a first gear driven gear meshed with the first gear is rotationally connected on the side wall of the second gear, a first gear sleeve part used for connecting the first gear driven gear and the second gear driven gear together to rotate together when the first gear is in a first gear, a second gear driven gear meshed with the second gear is rotationally connected on the side wall of the second shaft, a third gear driven gear meshed with the third gear is rotationally connected on the side wall of the second shaft, and a second gear driven gear is rotationally connected with the second gear driven gear together when the second gear driven gear is in a second gear through an R groove in a sliding connection mode, and the second gear driven gear is rotationally connected with the third gear driven gear together when the second gear is in a second gear.
As still further aspects of the utility model: the boss is installed on the internal thread hole of derailleur box, the internal thread hole of derailleur box is blind hole structure, can overcome the oil leakage phenomenon of assembly.
As still further aspects of the utility model: the triaxial and the biaxial adopt an English high-speed bearing, the driven gear adopts a needle roller and bushing structure, and the phenomenon of sintering of the clearance pinion is solved.
As still further aspects of the utility model: the right brake used for braking the right output shaft is arranged on the side wall of the right output shaft, the right brake is arranged on the inner wall of the transmission box body, the left brake used for braking the left output shaft is arranged on the side wall of the left output shaft, and the left brake is arranged on the inner wall of the transmission box body.
Compared with the prior art, the utility model has the beneficial effects that:
the structure is realized by only three gears and two fork shafts through single slide rail operation, a neutral gear structure is arranged in the middle, the gear sleeve is shifted, the gear shifting impact is avoided, the transmission is operated comfortably and reliably, two harvesting gears and one transition gear are used, the goods receiving requirements of users in different areas of hills and plains are met, the speed ratio is reasonable, the fuel economy is high, and the economy and the adaptability of the whole vehicle are improved.
Compared with the prior art, the novel transmission has the characteristics of reasonable design, long service life, reliable operation, wide adaptability, adoption of an English high-speed bearing and the like, is an ideal product for upgrading and updating similar gearboxes in the market, optimizes a transmission route by adopting an original mechanical four-gear box shell, a differential mechanism and a brake, and adopts a three-shaft structure to realize two harvesting and one transfer. The reverse gear is canceled in the box, and is realized through reversing of the hydraulic unit.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Wherein: 1. a hydraulic pump unit interface; 2. an input shaft; 3. a second gear; 4. a third gear; 5. a third gear driven gear; 6. a second gear driven gear; 7. a second tooth nest; 8. three axes; 9. a triaxial passive gear; 10. a right output shaft; 11. a right brake; 12. a differential; 13. a left brake; 14. a left output shaft; 15. a first gear driven gear; 16. a first tooth socket; 17. a two-axis driving gear; 18. a two-axis; 19. a first gear; 20. a triaxial gear; 21. a differential gear; 22. a transmission housing.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, in the embodiment of the present utility model, the Y3 self-propelled grain combine harvester transmission includes a transmission case 22 and a reduction gear mechanism, a hydraulic pump unit interface 1 is installed at the lower end of a side wall of the transmission case 22, an input shaft 2 is rotatably connected to an inner wall of the transmission case 22 near the hydraulic pump unit interface 1, a differential 12 is installed at the top of the transmission case 22, a left output shaft 14 and a right output shaft 10 are respectively installed at an output end of the differential 12, one ends of the left output shaft 14 and the right output shaft 10 far from the differential 12 are disposed outside the transmission case 22 through a side wall of the transmission case 22, the left output shaft 14 and the right output shaft 10 are parallel to the input shaft 2, a right brake 11 for braking the right output shaft 10 is installed on a side wall of the right output shaft 10, a left brake 13 for braking the left output shaft 14 is installed on a side wall of the transmission case 22, and the left brake 13 is installed on a side wall of the transmission case 22.
The reduction transmission mechanism is arranged between the input shaft 2 and the differential mechanism 12, and is used for enabling the input shaft 2 to drive the input end of the differential mechanism 12 to rotate and performing reduction adjustment in the process.
The speed reduction transmission mechanism comprises a two shaft 18, the two shaft 18 is rotationally connected to the inner wall of a transmission box 22 between the differential mechanism 12 and the input shaft 2, a three shaft 8 is rotationally connected to the inner wall of the transmission box 22 between the two shaft 18 and the differential mechanism 12, the input shaft 2, the two shaft 18 and the three shaft 8 are mutually parallel, a differential gear 21 is installed at the input end of the differential mechanism 12, a three shaft gear 20 meshed with the differential gear 21 is installed on the side wall of the three shaft 8, the diameter of the differential gear 21 is larger than that of the three shaft gear 20, a three shaft driven gear 9 used for driving the three shaft 8 to rotate is installed on the side wall of the three shaft 8, a two shaft driving gear 17 meshed with the three shaft driven gear 9 is installed on the side wall of the two shaft 18, and a gear shifting assembly used for speed change and gear shifting is arranged on the side wall of the two shaft 18 and the input shaft 2.
The gear shifting assembly comprises a first gear 19, the first gear 19 is arranged on the side wall of the input shaft 2, which is close to the hydraulic pump unit interface 1, the side wall of the first gear 19, which is far away from one end of the hydraulic pump unit interface 1, is provided with a second gear 3, the side wall of the input shaft 2, which is far away from one end of the hydraulic pump unit interface 1, is provided with a third gear 4, the side wall of the second gear 18 is rotationally connected with a first gear driven gear 15 which is meshed with the first gear 19, the side wall of the second gear 18 between the first gear driven gear 15 and the second gear driven gear 17 is slidingly connected with a first gear sleeve piece 16 which is used for connecting the first gear driven gear 15 and the second gear 18 together to rotate together when the first gear is in a first gear, the side wall of the second gear driven gear 18 is rotationally connected with a second gear driven gear 6 which is meshed with the second gear 3, the side wall of the second gear 18 is rotationally connected with a third gear driven gear 5 which is used for mutually meshed with the third gear 4, and the side wall of the second gear driven gear 5 is rotationally connected with the second gear 5 and the third gear driven gear 5 through an R groove 18 when the second gear 6 is connected with the second gear driven gear 5 and the third gear 5 together to rotate together when the second gear 5 is in a second gear 6 and the second gear driven gear 6.
In neutral, the first gear sleeve 16 is far away from the first-gear driven gear 15, and the second gear sleeve 7 is positioned at the middle position of the second-gear driven gear 6 and the third-gear driven gear 5, so that the first-gear driven gear 15, the second-gear driven gear 6 and the third-gear driven gear 5 idle and have no power output.
In first gear, the first gear sleeve 16 is moved leftwards through the fork shaft, the first gear sleeve 16 is connected with the first gear driven gear 15, at the moment, the input shaft 2 drives the first gear 19 to rotate, the first gear 19 drives the first gear driven gear 15 to rotate, the first gear driven gear 15 drives the first gear sleeve 16 to rotate, the first gear sleeve 16 drives the two shafts 18 to rotate, the two shafts 18 drive the two shaft driving gear 17 to rotate, the two shaft driving gear 17 drives the three shaft driven gear 9 to rotate, the three shaft driven gear 9 drives the three shaft 8 to rotate, the three shaft 8 drives the three shaft gear 20 to rotate, the three shaft gear 20 drives the differential gear 21 to rotate, the differential gear 21 drives the differential gear 12 to work, and the differential gear 12 drives the right output shaft 10 and the left output shaft 14 to rotate, so that first-gear power output is realized.
In the second gear, the second gear sleeve 7 is moved leftwards through the fork shaft, the second gear sleeve 7 is connected with the second gear driven gear 6, at the moment, the input shaft 2 drives the second gear 3 to rotate, the second gear 3 drives the second gear driven gear 6 to rotate, the second gear driven gear 6 drives the second gear sleeve 7 to rotate, the second gear sleeve 7 drives the second shaft 18 to rotate, the second shaft 18 drives the second shaft driving gear 17 to rotate, the second shaft driving gear 17 drives the three-shaft driven gear 9 to rotate, the three-shaft driven gear 9 drives the three-shaft 8 to rotate, the three-shaft 8 drives the three-shaft gear 20 to rotate, the three-shaft gear 20 drives the differential gear 21 to rotate, the differential gear 21 drives the differential gear 12 to work, and the differential gear 12 drives the right output shaft 10 and the left output shaft 14 to rotate, so that the second gear power output is realized.
In the third gear, the second gear sleeve 7 is moved rightward through the fork shaft, the second gear sleeve 7 is connected with the third gear driven gear 5, at the moment, the input shaft 2 drives the third gear 4 to rotate, the third gear 4 drives the third gear driven gear 5 to rotate, the third gear driven gear 5 drives the second gear sleeve 7 to rotate, the second gear sleeve 7 drives the second shaft 18 to rotate, the second shaft 18 drives the second shaft driving gear 17 to rotate, the second shaft driving gear 17 drives the three shaft driven gear 9 to rotate, the three shaft driven gear 9 drives the three shaft 8 to rotate, the three shaft 8 drives the three shaft gear 20 to rotate, the three shaft gear 20 drives the differential gear 21 to rotate, the differential gear 21 drives the differential gear 12 to work, and the differential gear 12 drives the right output shaft 10 and the left output shaft 14 to rotate, so that three-gear power output is realized.
The structure is realized by only three gears and two fork shafts through single slide rail operation, a neutral gear structure is arranged in the middle, the gear sleeve is shifted, the gear shifting impact is avoided, the transmission is operated comfortably and reliably, two harvesting gears and one transition gear are used, the goods receiving requirements of users in different areas of hills and plains are met, the speed ratio is reasonable, the fuel economy is high, and the economy and the adaptability of the whole vehicle are improved.
Compared with the prior art, the novel transmission has the characteristics of reasonable design, long service life, reliable operation, wide adaptability, adoption of an English high-speed bearing and the like, is an ideal product for upgrading and updating similar gearboxes in the market, optimizes a transmission route by adopting an original mechanical four-gear box shell, a differential mechanism and a brake, and adopts a three-shaft structure to realize two harvesting and one transfer. The reverse gear is canceled in the box, and is realized through reversing of the hydraulic unit.
Said utility model discloses a Y3 self-propelled grain combine harvester speed changer, in the neutral position, the first gear sleeve 16 is far away from first gear driven gear 15, and the second gear sleeve 7 is positioned in the intermediate position of second gear driven gear 6 and third gear driven gear 5, so that first gear driven gear 15, second gear driven gear 6 and third gear driven gear 5 can be idled, and have no power output.
In first gear, the first gear sleeve 16 is moved leftwards through the fork shaft, the first gear sleeve 16 is connected with the first gear driven gear 15, at the moment, the input shaft 2 drives the first gear 19 to rotate, the first gear 19 drives the first gear driven gear 15 to rotate, the first gear driven gear 15 drives the first gear sleeve 16 to rotate, the first gear sleeve 16 drives the two shafts 18 to rotate, the two shafts 18 drive the two shaft driving gear 17 to rotate, the two shaft driving gear 17 drives the three shaft driven gear 9 to rotate, the three shaft driven gear 9 drives the three shaft 8 to rotate, the three shaft 8 drives the three shaft gear 20 to rotate, the three shaft gear 20 drives the differential gear 21 to rotate, the differential gear 21 drives the differential gear 12 to work, and the differential gear 12 drives the right output shaft 10 and the left output shaft 14 to rotate, so that first-gear power output is realized.
In the second gear, the second gear sleeve 7 is moved leftwards through the fork shaft, the second gear sleeve 7 is connected with the second gear driven gear 6, at the moment, the input shaft 2 drives the second gear 3 to rotate, the second gear 3 drives the second gear driven gear 6 to rotate, the second gear driven gear 6 drives the second gear sleeve 7 to rotate, the second gear sleeve 7 drives the second shaft 18 to rotate, the second shaft 18 drives the second shaft driving gear 17 to rotate, the second shaft driving gear 17 drives the three-shaft driven gear 9 to rotate, the three-shaft driven gear 9 drives the three-shaft 8 to rotate, the three-shaft 8 drives the three-shaft gear 20 to rotate, the three-shaft gear 20 drives the differential gear 21 to rotate, the differential gear 21 drives the differential gear 12 to work, and the differential gear 12 drives the right output shaft 10 and the left output shaft 14 to rotate, so that the second gear power output is realized.
In the third gear, the second gear sleeve 7 is moved rightward through the fork shaft, the second gear sleeve 7 is connected with the third gear driven gear 5, at the moment, the input shaft 2 drives the third gear 4 to rotate, the third gear 4 drives the third gear driven gear 5 to rotate, the third gear driven gear 5 drives the second gear sleeve 7 to rotate, the second gear sleeve 7 drives the second shaft 18 to rotate, the second shaft 18 drives the second shaft driving gear 17 to rotate, the second shaft driving gear 17 drives the three shaft driven gear 9 to rotate, the three shaft driven gear 9 drives the three shaft 8 to rotate, the three shaft 8 drives the three shaft gear 20 to rotate, the three shaft gear 20 drives the differential gear 21 to rotate, the differential gear 21 drives the differential gear 12 to work, and the differential gear 12 drives the right output shaft 10 and the left output shaft 14 to rotate, so that three-gear power output is realized.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (6)
- The transmission of the Y3 self-propelled grain combine harvester comprises a transmission box body (22) and a speed reduction transmission mechanism, wherein a hydraulic pump unit interface (1) is arranged at the lower end of the side wall of the transmission box body (22), an input shaft (2) is rotatably connected to the inner wall of the transmission box body (22) close to the hydraulic pump unit interface (1), and the transmission box is characterized in that a differential mechanism (12) is arranged at the top of the transmission box body (22), a left output shaft (14) and a right output shaft (10) are respectively arranged at the output end of the differential mechanism (12), one ends, far away from the differential mechanism (12), of the left output shaft (14) and the right output shaft (10) penetrate through the side wall of the transmission box body (22) and are arranged outside the transmission box body (22), and the left output shaft (14) and the right output shaft (10) are mutually parallel to the input shaft (2);the speed reduction transmission mechanism is arranged between the input shaft (2) and the differential mechanism (12) and is used for enabling the input shaft (2) to drive the input end of the differential mechanism (12) to rotate and carrying out speed reduction adjustment in the process.
- 2. The speed changer of the Y3 self-propelled grain combine harvester according to claim 1, wherein the speed reduction transmission mechanism comprises a two-shaft (18), the two-shaft (18) is rotatably connected to the inner wall of a speed changer box (22) between the differential (12) and the input shaft (2), a three-shaft (8) is rotatably connected to the inner wall of the speed changer box (22) between the two-shaft (18) and the differential (12), the input shaft (2), the two-shaft (18) and the three-shaft (8) are mutually parallel, a differential gear (21) is mounted at the input end of the differential (12), a three-shaft gear (20) which is mutually meshed with the differential gear (21) is mounted on the side wall of the three-shaft (8), the diameter of the differential gear (21) is larger than that of the three-shaft gear (20), a three-shaft driven gear (9) for driving the three-shaft (8) to rotate is mounted on the side wall of the three-shaft (8), a driving gear (17) which is mutually meshed with the three-shaft driven gear (9) is mounted on the side wall of the two-shaft (18), and the side wall of the two-shaft (18) is used for gear shifting.
- 3. The Y3 self-propelled grain combine transmission according to claim 2, wherein the gear shifting assembly comprises a first gear (19), the first gear (19) is mounted on a side wall of the input shaft (2) which is close to the hydraulic pump unit interface (1), a second gear (3) is mounted on a side wall of the input shaft (2) which is far away from one end of the hydraulic pump unit interface (1) and is positioned at the first gear (19), a third gear (4) is mounted on a side wall of the input shaft (2) which is far away from one end of the hydraulic pump unit interface (1) and is positioned at the second gear (3), a first driven gear (15) which is meshed with the first driven gear (19) is rotatably connected on a side wall of the second shaft (18), a first gear sleeve (16) which is used for connecting the first driven gear (15) and the second driven gear (18) together to rotate at the first gear, a second driven gear (15) and a second gear (18) are slidably connected through an R groove, the second driven gear (18) is connected on a side wall of the second driven gear (18) which is meshed with the second driven gear (18), the second driven gear (15) and the second driven gear (18) is meshed with the third gear (4) rotatably connected on the side wall of the second driven gear (18), the side wall of the two shafts (18) between the third-gear driven gear (5) and the second-gear driven gear (6) is slidably connected with a second gear sleeve piece (7) which is used for being connected with the second-gear driven gear (6) to enable the second-gear driven gear (6) to rotate together with the two shafts (18) in the second gear and is connected with the third-gear driven gear (5) to enable the third-gear driven gear (5) to rotate together with the two shafts (18) in the third gear.
- 4. The Y3 self-propelled grain combine transmission of claim 1, wherein a boss is mounted on an internally threaded hole of the transmission case (22), and the internally threaded hole of the transmission case (22) is of a blind hole structure.
- 5. The Y3 self-propelled grain combine transmission of claim 2, wherein the triaxial (8) and biaxial (18) are made of english high speed bearings and the driven gear is made of needle roller and bush structures.
- 6. The Y3 self-propelled grain combine transmission according to claim 1, wherein a right brake (11) for braking the right output shaft (10) is mounted on a side wall of the right output shaft (10), the right brake (11) is mounted on an inner wall of a transmission case (22), a left brake (13) for braking the left output shaft (14) is mounted on a side wall of the left output shaft (14), and the left brake (13) is mounted on an inner wall of the transmission case (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320509454.6U CN219366724U (en) | 2023-03-16 | 2023-03-16 | Y3 self-propelled grain combine harvester speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320509454.6U CN219366724U (en) | 2023-03-16 | 2023-03-16 | Y3 self-propelled grain combine harvester speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366724U true CN219366724U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320509454.6U Active CN219366724U (en) | 2023-03-16 | 2023-03-16 | Y3 self-propelled grain combine harvester speed changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366724U (en) |
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2023
- 2023-03-16 CN CN202320509454.6U patent/CN219366724U/en active Active
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